var sass = (function (exports) {
  'use strict';

  /**
   * @license
   * MIT License
   * 
   * Copyright (c) 2014-present, Lee Byron and other contributors.
   * 
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  var IS_INDEXED_SYMBOL = '@@__IMMUTABLE_INDEXED__@@';
  /**
   * True if `maybeIndexed` is a Collection.Indexed, or any of its subclasses.
   *
   * ```js
   * import { isIndexed, Map, List, Stack, Set } from 'immutable';
   *
   * isIndexed([]); // false
   * isIndexed({}); // false
   * isIndexed(Map()); // false
   * isIndexed(List()); // true
   * isIndexed(Stack()); // true
   * isIndexed(Set()); // false
   * ```
   */
  function isIndexed(maybeIndexed) {
      return Boolean(maybeIndexed &&
          // @ts-expect-error: maybeIndexed is typed as `{}`, need to change in 6.0 to `maybeIndexed && typeof maybeIndexed === 'object' && IS_INDEXED_SYMBOL in maybeIndexed`
          maybeIndexed[IS_INDEXED_SYMBOL]);
  }

  var IS_KEYED_SYMBOL = '@@__IMMUTABLE_KEYED__@@';
  /**
   * True if `maybeKeyed` is a Collection.Keyed, or any of its subclasses.
   *
   * ```js
   * import { isKeyed, Map, List, Stack } from 'immutable';
   *
   * isKeyed([]); // false
   * isKeyed({}); // false
   * isKeyed(Map()); // true
   * isKeyed(List()); // false
   * isKeyed(Stack()); // false
   * ```
   */
  function isKeyed(maybeKeyed) {
      return Boolean(maybeKeyed &&
          // @ts-expect-error: maybeKeyed is typed as `{}`, need to change in 6.0 to `maybeKeyed && typeof maybeKeyed === 'object' && IS_KEYED_SYMBOL in maybeKeyed`
          maybeKeyed[IS_KEYED_SYMBOL]);
  }

  /**
   * True if `maybeAssociative` is either a Keyed or Indexed Collection.
   *
   * ```js
   * import { isAssociative, Map, List, Stack, Set } from 'immutable';
   *
   * isAssociative([]); // false
   * isAssociative({}); // false
   * isAssociative(Map()); // true
   * isAssociative(List()); // true
   * isAssociative(Stack()); // true
   * isAssociative(Set()); // false
   * ```
   */
  function isAssociative(maybeAssociative) {
      return isKeyed(maybeAssociative) || isIndexed(maybeAssociative);
  }

  // Note: value is unchanged to not break immutable-devtools.
  var IS_COLLECTION_SYMBOL = '@@__IMMUTABLE_ITERABLE__@@';
  /**
   * True if `maybeCollection` is a Collection, or any of its subclasses.
   *
   * ```js
   * import { isCollection, Map, List, Stack } from 'immutable';
   *
   * isCollection([]); // false
   * isCollection({}); // false
   * isCollection(Map()); // true
   * isCollection(List()); // true
   * isCollection(Stack()); // true
   * ```
   */
  function isCollection(maybeCollection) {
      return Boolean(maybeCollection &&
          // @ts-expect-error: maybeCollection is typed as `{}`, need to change in 6.0 to `maybeCollection && typeof maybeCollection === 'object' && IS_COLLECTION_SYMBOL in maybeCollection`
          maybeCollection[IS_COLLECTION_SYMBOL]);
  }

  var Collection = function Collection(value) {
    // eslint-disable-next-line no-constructor-return
    return isCollection(value) ? value : Seq(value);
  };

  var KeyedCollection = /*@__PURE__*/(function (Collection) {
    function KeyedCollection(value) {
      // eslint-disable-next-line no-constructor-return
      return isKeyed(value) ? value : KeyedSeq(value);
    }

    if ( Collection ) KeyedCollection.__proto__ = Collection;
    KeyedCollection.prototype = Object.create( Collection && Collection.prototype );
    KeyedCollection.prototype.constructor = KeyedCollection;

    return KeyedCollection;
  }(Collection));

  var IndexedCollection = /*@__PURE__*/(function (Collection) {
    function IndexedCollection(value) {
      // eslint-disable-next-line no-constructor-return
      return isIndexed(value) ? value : IndexedSeq(value);
    }

    if ( Collection ) IndexedCollection.__proto__ = Collection;
    IndexedCollection.prototype = Object.create( Collection && Collection.prototype );
    IndexedCollection.prototype.constructor = IndexedCollection;

    return IndexedCollection;
  }(Collection));

  var SetCollection = /*@__PURE__*/(function (Collection) {
    function SetCollection(value) {
      // eslint-disable-next-line no-constructor-return
      return isCollection(value) && !isAssociative(value) ? value : SetSeq(value);
    }

    if ( Collection ) SetCollection.__proto__ = Collection;
    SetCollection.prototype = Object.create( Collection && Collection.prototype );
    SetCollection.prototype.constructor = SetCollection;

    return SetCollection;
  }(Collection));

  Collection.Keyed = KeyedCollection;
  Collection.Indexed = IndexedCollection;
  Collection.Set = SetCollection;

  var ITERATE_KEYS = 0;
  var ITERATE_VALUES = 1;
  var ITERATE_ENTRIES = 2;
  // TODO Symbol is widely available in modern JavaScript environments, clean this
  var REAL_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
  var FAUX_ITERATOR_SYMBOL = '@@iterator';
  var ITERATOR_SYMBOL = REAL_ITERATOR_SYMBOL || FAUX_ITERATOR_SYMBOL;
  // @ts-expect-error: properties are not supported in buble
  var Iterator = function Iterator(next) {
      // @ts-expect-error: properties are not supported in buble
      this.next = next;
  };
  Iterator.prototype.toString = function toString () {
      return '[Iterator]';
  };
  // @ts-expect-error: static properties are not supported in buble
  Iterator.KEYS = ITERATE_KEYS;
  // @ts-expect-error: static properties are not supported in buble
  Iterator.VALUES = ITERATE_VALUES;
  // @ts-expect-error: static properties are not supported in buble
  Iterator.ENTRIES = ITERATE_ENTRIES;
  // @ts-expect-error: properties are not supported in buble
  Iterator.prototype.inspect = Iterator.prototype.toSource = function () {
      return this.toString();
  };
  // @ts-expect-error don't know how to type this
  Iterator.prototype[ITERATOR_SYMBOL] = function () {
      return this;
  };
  function iteratorValue(type, k, v, iteratorResult) {
      var value = type === ITERATE_KEYS ? k : type === ITERATE_VALUES ? v : [k, v];
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      iteratorResult
          ? (iteratorResult.value = value)
          : (iteratorResult = {
              // @ts-expect-error ensure value is not undefined
              value: value,
              done: false,
          });
      return iteratorResult;
  }
  function iteratorDone() {
      return { value: undefined, done: true };
  }
  function hasIterator(maybeIterable) {
      if (Array.isArray(maybeIterable)) {
          // IE11 trick as it does not support `Symbol.iterator`
          return true;
      }
      return !!getIteratorFn(maybeIterable);
  }
  function isIterator(maybeIterator) {
      return !!(maybeIterator &&
          // @ts-expect-error: maybeIterator is typed as `{}`
          typeof maybeIterator.next === 'function');
  }
  function getIterator(iterable) {
      var iteratorFn = getIteratorFn(iterable);
      return iteratorFn && iteratorFn.call(iterable);
  }
  function getIteratorFn(iterable) {
      var iteratorFn = iterable &&
          // @ts-expect-error: maybeIterator is typed as `{}`
          ((REAL_ITERATOR_SYMBOL && iterable[REAL_ITERATOR_SYMBOL]) ||
              // @ts-expect-error: maybeIterator is typed as `{}`
              iterable[FAUX_ITERATOR_SYMBOL]);
      if (typeof iteratorFn === 'function') {
          return iteratorFn;
      }
  }
  function isEntriesIterable(maybeIterable) {
      var iteratorFn = getIteratorFn(maybeIterable);
      // @ts-expect-error: maybeIterator is typed as `{}`
      return iteratorFn && iteratorFn === maybeIterable.entries;
  }
  function isKeysIterable(maybeIterable) {
      var iteratorFn = getIteratorFn(maybeIterable);
      // @ts-expect-error: maybeIterator is typed as `{}`
      return iteratorFn && iteratorFn === maybeIterable.keys;
  }

  // Used for setting prototype methods that IE8 chokes on.
  var DELETE = 'delete';
  // Constants describing the size of trie nodes.
  var SHIFT = 5; // Resulted in best performance after ______?
  var SIZE = 1 << SHIFT;
  var MASK = SIZE - 1;
  // A consistent shared value representing "not set" which equals nothing other
  // than itself, and nothing that could be provided externally.
  var NOT_SET = {};
  // Boolean references, Rough equivalent of `bool &`.
  function MakeRef() {
      return { value: false };
  }
  function SetRef(ref) {
      if (ref) {
          ref.value = true;
      }
  }
  // A function which returns a value representing an "owner" for transient writes
  // to tries. The return value will only ever equal itself, and will not equal
  // the return of any subsequent call of this function.
  function OwnerID() { }
  function ensureSize(iter) {
      // @ts-expect-error size should exists on Collection
      if (iter.size === undefined) {
          // @ts-expect-error size should exists on Collection, __iterate does exist on Collection
          iter.size = iter.__iterate(returnTrue);
      }
      // @ts-expect-error size should exists on Collection
      return iter.size;
  }
  function wrapIndex(iter, index) {
      // This implements "is array index" which the ECMAString spec defines as:
      //
      //     A String property name P is an array index if and only if
      //     ToString(ToUint32(P)) is equal to P and ToUint32(P) is not equal
      //     to 2^32−1.
      //
      // http://www.ecma-international.org/ecma-262/6.0/#sec-array-exotic-objects
      if (typeof index !== 'number') {
          var uint32Index = index >>> 0; // N >>> 0 is shorthand for ToUint32
          if ('' + uint32Index !== index || uint32Index === 4294967295) {
              return NaN;
          }
          index = uint32Index;
      }
      return index < 0 ? ensureSize(iter) + index : index;
  }
  function returnTrue() {
      return true;
  }
  function wholeSlice(begin, end, size) {
      return (((begin === 0 && !isNeg(begin)) ||
          (size !== undefined && begin <= -size)) &&
          (end === undefined || (size !== undefined && end >= size)));
  }
  function resolveBegin(begin, size) {
      return resolveIndex(begin, size, 0);
  }
  function resolveEnd(end, size) {
      return resolveIndex(end, size, size);
  }
  function resolveIndex(index, size, defaultIndex) {
      // Sanitize indices using this shorthand for ToInt32(argument)
      // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32
      return index === undefined
          ? defaultIndex
          : isNeg(index)
              ? size === Infinity
                  ? size
                  : Math.max(0, size + index) | 0
              : size === undefined || size === index
                  ? index
                  : Math.min(size, index) | 0;
  }
  function isNeg(value) {
      // Account for -0 which is negative, but not less than 0.
      return value < 0 || (value === 0 && 1 / value === -Infinity);
  }

  var IS_RECORD_SYMBOL = '@@__IMMUTABLE_RECORD__@@';
  /**
   * True if `maybeRecord` is a Record.
   */
  function isRecord(maybeRecord) {
      return Boolean(maybeRecord &&
          // @ts-expect-error: maybeRecord is typed as `{}`, need to change in 6.0 to `maybeRecord && typeof maybeRecord === 'object' && IS_RECORD_SYMBOL in maybeRecord`
          maybeRecord[IS_RECORD_SYMBOL]);
  }

  /**
   * True if `maybeImmutable` is an Immutable Collection or Record.
   *
   * Note: Still returns true even if the collections is within a `withMutations()`.
   *
   * ```js
   * import { isImmutable, Map, List, Stack } from 'immutable';
   * isImmutable([]); // false
   * isImmutable({}); // false
   * isImmutable(Map()); // true
   * isImmutable(List()); // true
   * isImmutable(Stack()); // true
   * isImmutable(Map().asMutable()); // true
   * ```
   */
  function isImmutable(maybeImmutable) {
      return isCollection(maybeImmutable) || isRecord(maybeImmutable);
  }

  var IS_ORDERED_SYMBOL = '@@__IMMUTABLE_ORDERED__@@';
  function isOrdered(maybeOrdered) {
      return Boolean(maybeOrdered &&
          // @ts-expect-error: maybeOrdered is typed as `{}`, need to change in 6.0 to `maybeOrdered && typeof maybeOrdered === 'object' && IS_ORDERED_SYMBOL in maybeOrdered`
          maybeOrdered[IS_ORDERED_SYMBOL]);
  }

  var IS_SEQ_SYMBOL = '@@__IMMUTABLE_SEQ__@@';
  /**
   * True if `maybeSeq` is a Seq.
   */
  function isSeq(maybeSeq) {
      return Boolean(maybeSeq &&
          // @ts-expect-error: maybeSeq is typed as `{}`, need to change in 6.0 to `maybeSeq && typeof maybeSeq === 'object' && MAYBE_SEQ_SYMBOL in maybeSeq`
          maybeSeq[IS_SEQ_SYMBOL]);
  }

  var hasOwnProperty = Object.prototype.hasOwnProperty;

  function isArrayLike(value) {
      if (Array.isArray(value) || typeof value === 'string') {
          return true;
      }
      // @ts-expect-error "Type 'unknown' is not assignable to type 'boolean'" : convert to Boolean
      return (value &&
          typeof value === 'object' &&
          // @ts-expect-error check that `'length' in value &&`
          Number.isInteger(value.length) &&
          // @ts-expect-error check that `'length' in value &&`
          value.length >= 0 &&
          // @ts-expect-error check that `'length' in value &&`
          (value.length === 0
              ? // Only {length: 0} is considered Array-like.
                  Object.keys(value).length === 1
              : // An object is only Array-like if it has a property where the last value
                  // in the array-like may be found (which could be undefined).
                  // @ts-expect-error check that `'length' in value &&`
                  value.hasOwnProperty(value.length - 1)));
  }

  var Seq = /*@__PURE__*/(function (Collection) {
    function Seq(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptySequence()
        : isImmutable(value)
          ? value.toSeq()
          : seqFromValue(value);
    }

    if ( Collection ) Seq.__proto__ = Collection;
    Seq.prototype = Object.create( Collection && Collection.prototype );
    Seq.prototype.constructor = Seq;

    Seq.prototype.toSeq = function toSeq () {
      return this;
    };

    Seq.prototype.toString = function toString () {
      return this.__toString('Seq {', '}');
    };

    Seq.prototype.cacheResult = function cacheResult () {
      if (!this._cache && this.__iterateUncached) {
        this._cache = this.entrySeq().toArray();
        this.size = this._cache.length;
      }
      return this;
    };

    // abstract __iterateUncached(fn, reverse)

    Seq.prototype.__iterate = function __iterate (fn, reverse) {
      var cache = this._cache;
      if (cache) {
        var size = cache.length;
        var i = 0;
        while (i !== size) {
          var entry = cache[reverse ? size - ++i : i++];
          if (fn(entry[1], entry[0], this) === false) {
            break;
          }
        }
        return i;
      }
      return this.__iterateUncached(fn, reverse);
    };

    // abstract __iteratorUncached(type, reverse)

    Seq.prototype.__iterator = function __iterator (type, reverse) {
      var cache = this._cache;
      if (cache) {
        var size = cache.length;
        var i = 0;
        return new Iterator(function () {
          if (i === size) {
            return iteratorDone();
          }
          var entry = cache[reverse ? size - ++i : i++];
          return iteratorValue(type, entry[0], entry[1]);
        });
      }
      return this.__iteratorUncached(type, reverse);
    };

    return Seq;
  }(Collection));

  var KeyedSeq = /*@__PURE__*/(function (Seq) {
    function KeyedSeq(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptySequence().toKeyedSeq()
        : isCollection(value)
          ? isKeyed(value)
            ? value.toSeq()
            : value.fromEntrySeq()
          : isRecord(value)
            ? value.toSeq()
            : keyedSeqFromValue(value);
    }

    if ( Seq ) KeyedSeq.__proto__ = Seq;
    KeyedSeq.prototype = Object.create( Seq && Seq.prototype );
    KeyedSeq.prototype.constructor = KeyedSeq;

    KeyedSeq.prototype.toKeyedSeq = function toKeyedSeq () {
      return this;
    };

    return KeyedSeq;
  }(Seq));

  var IndexedSeq = /*@__PURE__*/(function (Seq) {
    function IndexedSeq(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptySequence()
        : isCollection(value)
          ? isKeyed(value)
            ? value.entrySeq()
            : value.toIndexedSeq()
          : isRecord(value)
            ? value.toSeq().entrySeq()
            : indexedSeqFromValue(value);
    }

    if ( Seq ) IndexedSeq.__proto__ = Seq;
    IndexedSeq.prototype = Object.create( Seq && Seq.prototype );
    IndexedSeq.prototype.constructor = IndexedSeq;

    IndexedSeq.of = function of (/*...values*/) {
      return IndexedSeq(arguments);
    };

    IndexedSeq.prototype.toIndexedSeq = function toIndexedSeq () {
      return this;
    };

    IndexedSeq.prototype.toString = function toString () {
      return this.__toString('Seq [', ']');
    };

    return IndexedSeq;
  }(Seq));

  var SetSeq = /*@__PURE__*/(function (Seq) {
    function SetSeq(value) {
      // eslint-disable-next-line no-constructor-return
      return (
        isCollection(value) && !isAssociative(value) ? value : IndexedSeq(value)
      ).toSetSeq();
    }

    if ( Seq ) SetSeq.__proto__ = Seq;
    SetSeq.prototype = Object.create( Seq && Seq.prototype );
    SetSeq.prototype.constructor = SetSeq;

    SetSeq.of = function of (/*...values*/) {
      return SetSeq(arguments);
    };

    SetSeq.prototype.toSetSeq = function toSetSeq () {
      return this;
    };

    return SetSeq;
  }(Seq));

  Seq.isSeq = isSeq;
  Seq.Keyed = KeyedSeq;
  Seq.Set = SetSeq;
  Seq.Indexed = IndexedSeq;

  Seq.prototype[IS_SEQ_SYMBOL] = true;

  // #pragma Root Sequences

  var ArraySeq = /*@__PURE__*/(function (IndexedSeq) {
    function ArraySeq(array) {
      this._array = array;
      this.size = array.length;
    }

    if ( IndexedSeq ) ArraySeq.__proto__ = IndexedSeq;
    ArraySeq.prototype = Object.create( IndexedSeq && IndexedSeq.prototype );
    ArraySeq.prototype.constructor = ArraySeq;

    ArraySeq.prototype.get = function get (index, notSetValue) {
      return this.has(index) ? this._array[wrapIndex(this, index)] : notSetValue;
    };

    ArraySeq.prototype.__iterate = function __iterate (fn, reverse) {
      var array = this._array;
      var size = array.length;
      var i = 0;
      while (i !== size) {
        var ii = reverse ? size - ++i : i++;
        if (fn(array[ii], ii, this) === false) {
          break;
        }
      }
      return i;
    };

    ArraySeq.prototype.__iterator = function __iterator (type, reverse) {
      var array = this._array;
      var size = array.length;
      var i = 0;
      return new Iterator(function () {
        if (i === size) {
          return iteratorDone();
        }
        var ii = reverse ? size - ++i : i++;
        return iteratorValue(type, ii, array[ii]);
      });
    };

    return ArraySeq;
  }(IndexedSeq));

  var ObjectSeq = /*@__PURE__*/(function (KeyedSeq) {
    function ObjectSeq(object) {
      var keys = Object.keys(object).concat(
        Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols(object) : []
      );
      this._object = object;
      this._keys = keys;
      this.size = keys.length;
    }

    if ( KeyedSeq ) ObjectSeq.__proto__ = KeyedSeq;
    ObjectSeq.prototype = Object.create( KeyedSeq && KeyedSeq.prototype );
    ObjectSeq.prototype.constructor = ObjectSeq;

    ObjectSeq.prototype.get = function get (key, notSetValue) {
      if (notSetValue !== undefined && !this.has(key)) {
        return notSetValue;
      }
      return this._object[key];
    };

    ObjectSeq.prototype.has = function has (key) {
      return hasOwnProperty.call(this._object, key);
    };

    ObjectSeq.prototype.__iterate = function __iterate (fn, reverse) {
      var object = this._object;
      var keys = this._keys;
      var size = keys.length;
      var i = 0;
      while (i !== size) {
        var key = keys[reverse ? size - ++i : i++];
        if (fn(object[key], key, this) === false) {
          break;
        }
      }
      return i;
    };

    ObjectSeq.prototype.__iterator = function __iterator (type, reverse) {
      var object = this._object;
      var keys = this._keys;
      var size = keys.length;
      var i = 0;
      return new Iterator(function () {
        if (i === size) {
          return iteratorDone();
        }
        var key = keys[reverse ? size - ++i : i++];
        return iteratorValue(type, key, object[key]);
      });
    };

    return ObjectSeq;
  }(KeyedSeq));
  ObjectSeq.prototype[IS_ORDERED_SYMBOL] = true;

  var CollectionSeq = /*@__PURE__*/(function (IndexedSeq) {
    function CollectionSeq(collection) {
      this._collection = collection;
      this.size = collection.length || collection.size;
    }

    if ( IndexedSeq ) CollectionSeq.__proto__ = IndexedSeq;
    CollectionSeq.prototype = Object.create( IndexedSeq && IndexedSeq.prototype );
    CollectionSeq.prototype.constructor = CollectionSeq;

    CollectionSeq.prototype.__iterateUncached = function __iterateUncached (fn, reverse) {
      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }
      var collection = this._collection;
      var iterator = getIterator(collection);
      var iterations = 0;
      if (isIterator(iterator)) {
        var step;
        while (!(step = iterator.next()).done) {
          if (fn(step.value, iterations++, this) === false) {
            break;
          }
        }
      }
      return iterations;
    };

    CollectionSeq.prototype.__iteratorUncached = function __iteratorUncached (type, reverse) {
      if (reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }
      var collection = this._collection;
      var iterator = getIterator(collection);
      if (!isIterator(iterator)) {
        return new Iterator(iteratorDone);
      }
      var iterations = 0;
      return new Iterator(function () {
        var step = iterator.next();
        return step.done ? step : iteratorValue(type, iterations++, step.value);
      });
    };

    return CollectionSeq;
  }(IndexedSeq));

  // # pragma Helper functions

  var EMPTY_SEQ;

  function emptySequence() {
    return EMPTY_SEQ || (EMPTY_SEQ = new ArraySeq([]));
  }

  function keyedSeqFromValue(value) {
    var seq = maybeIndexedSeqFromValue(value);
    if (seq) {
      return seq.fromEntrySeq();
    }
    if (typeof value === 'object') {
      return new ObjectSeq(value);
    }
    throw new TypeError(
      'Expected Array or collection object of [k, v] entries, or keyed object: ' +
        value
    );
  }

  function indexedSeqFromValue(value) {
    var seq = maybeIndexedSeqFromValue(value);
    if (seq) {
      return seq;
    }
    throw new TypeError(
      'Expected Array or collection object of values: ' + value
    );
  }

  function seqFromValue(value) {
    var seq = maybeIndexedSeqFromValue(value);
    if (seq) {
      return isEntriesIterable(value)
        ? seq.fromEntrySeq()
        : isKeysIterable(value)
          ? seq.toSetSeq()
          : seq;
    }
    if (typeof value === 'object') {
      return new ObjectSeq(value);
    }
    throw new TypeError(
      'Expected Array or collection object of values, or keyed object: ' + value
    );
  }

  function maybeIndexedSeqFromValue(value) {
    return isArrayLike(value)
      ? new ArraySeq(value)
      : hasIterator(value)
        ? new CollectionSeq(value)
        : undefined;
  }

  function asImmutable() {
    return this.__ensureOwner();
  }

  function asMutable() {
    return this.__ownerID ? this : this.__ensureOwner(new OwnerID());
  }

  // TODO remove in v6 as Math.imul is widely available now: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
  var imul = typeof Math.imul === 'function' && Math.imul(0xffffffff, 2) === -2
      ? Math.imul
      : function imul(a, b) {
          a |= 0; // int
          b |= 0; // int
          var c = a & 0xffff;
          var d = b & 0xffff;
          // Shift by 0 fixes the sign on the high part.
          return (c * d + ((((a >>> 16) * d + c * (b >>> 16)) << 16) >>> 0)) | 0; // int
      };
  // v8 has an optimization for storing 31-bit signed numbers.
  // Values which have either 00 or 11 as the high order bits qualify.
  // This function drops the highest order bit in a signed number, maintaining
  // the sign bit.
  function smi(i32) {
      return ((i32 >>> 1) & 0x40000000) | (i32 & 0xbfffffff);
  }

  var defaultValueOf = Object.prototype.valueOf;
  function hash(o) {
      // eslint-disable-next-line eqeqeq
      if (o == null) {
          return hashNullish(o);
      }
      // @ts-expect-error don't care about object beeing typed as `{}` here
      if (typeof o.hashCode === 'function') {
          // Drop any high bits from accidentally long hash codes.
          // @ts-expect-error don't care about object beeing typed as `{}` here
          return smi(o.hashCode(o));
      }
      var v = valueOf(o);
      // eslint-disable-next-line eqeqeq
      if (v == null) {
          return hashNullish(v);
      }
      switch (typeof v) {
          case 'boolean':
              // The hash values for built-in constants are a 1 value for each 5-byte
              // shift region expect for the first, which encodes the value. This
              // reduces the odds of a hash collision for these common values.
              return v ? 0x42108421 : 0x42108420;
          case 'number':
              return hashNumber(v);
          case 'string':
              return v.length > STRING_HASH_CACHE_MIN_STRLEN
                  ? cachedHashString(v)
                  : hashString(v);
          case 'object':
          case 'function':
              return hashJSObj(v);
          case 'symbol':
              return hashSymbol(v);
          default:
              if (typeof v.toString === 'function') {
                  return hashString(v.toString());
              }
              throw new Error('Value type ' + typeof v + ' cannot be hashed.');
      }
  }
  function hashNullish(nullish) {
      return nullish === null ? 0x42108422 : /* undefined */ 0x42108423;
  }
  // Compress arbitrarily large numbers into smi hashes.
  function hashNumber(n) {
      if (n !== n || n === Infinity) {
          return 0;
      }
      var hash = n | 0;
      if (hash !== n) {
          hash ^= n * 0xffffffff;
      }
      while (n > 0xffffffff) {
          n /= 0xffffffff;
          hash ^= n;
      }
      return smi(hash);
  }
  function cachedHashString(string) {
      var hashed = stringHashCache[string];
      if (hashed === undefined) {
          hashed = hashString(string);
          if (STRING_HASH_CACHE_SIZE === STRING_HASH_CACHE_MAX_SIZE) {
              STRING_HASH_CACHE_SIZE = 0;
              stringHashCache = {};
          }
          STRING_HASH_CACHE_SIZE++;
          stringHashCache[string] = hashed;
      }
      return hashed;
  }
  // http://jsperf.com/hashing-strings
  function hashString(string) {
      // This is the hash from JVM
      // The hash code for a string is computed as
      // s[0] * 31 ^ (n - 1) + s[1] * 31 ^ (n - 2) + ... + s[n - 1],
      // where s[i] is the ith character of the string and n is the length of
      // the string. We "mod" the result to make it between 0 (inclusive) and 2^31
      // (exclusive) by dropping high bits.
      var hashed = 0;
      for (var ii = 0; ii < string.length; ii++) {
          hashed = (31 * hashed + string.charCodeAt(ii)) | 0;
      }
      return smi(hashed);
  }
  function hashSymbol(sym) {
      var hashed = symbolMap[sym];
      if (hashed !== undefined) {
          return hashed;
      }
      hashed = nextHash();
      symbolMap[sym] = hashed;
      return hashed;
  }
  // eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
  function hashJSObj(obj) {
      var hashed;
      if (usingWeakMap) {
          // @ts-expect-error weakMap is defined
          hashed = weakMap.get(obj);
          if (hashed !== undefined) {
              return hashed;
          }
      }
      // @ts-expect-error used for old code, will be removed
      hashed = obj[UID_HASH_KEY];
      if (hashed !== undefined) {
          return hashed;
      }
      if (!canDefineProperty) {
          // @ts-expect-error used for old code, will be removed
          hashed = obj.propertyIsEnumerable && obj.propertyIsEnumerable[UID_HASH_KEY];
          if (hashed !== undefined) {
              return hashed;
          }
          hashed = getIENodeHash(obj);
          if (hashed !== undefined) {
              return hashed;
          }
      }
      hashed = nextHash();
      if (usingWeakMap) {
          // @ts-expect-error weakMap is defined
          weakMap.set(obj, hashed);
      }
      else if (isExtensible !== undefined && isExtensible(obj) === false) {
          throw new Error('Non-extensible objects are not allowed as keys.');
      }
      else if (canDefineProperty) {
          Object.defineProperty(obj, UID_HASH_KEY, {
              enumerable: false,
              configurable: false,
              writable: false,
              value: hashed,
          });
      }
      else if (obj.propertyIsEnumerable !== undefined &&
          obj.propertyIsEnumerable === obj.constructor.prototype.propertyIsEnumerable) {
          // Since we can't define a non-enumerable property on the object
          // we'll hijack one of the less-used non-enumerable properties to
          // save our hash on it. Since this is a function it will not show up in
          // `JSON.stringify` which is what we want.
          obj.propertyIsEnumerable = function () {
              return this.constructor.prototype.propertyIsEnumerable.apply(this, 
              // eslint-disable-next-line prefer-rest-params
              arguments);
          };
          // @ts-expect-error used for old code, will be removed
          obj.propertyIsEnumerable[UID_HASH_KEY] = hashed;
          // @ts-expect-error used for old code, will be removed
      }
      else if (obj.nodeType !== undefined) {
          // At this point we couldn't get the IE `uniqueID` to use as a hash
          // and we couldn't use a non-enumerable property to exploit the
          // dontEnum bug so we simply add the `UID_HASH_KEY` on the node
          // itself.
          // @ts-expect-error used for old code, will be removed
          obj[UID_HASH_KEY] = hashed;
      }
      else {
          throw new Error('Unable to set a non-enumerable property on object.');
      }
      return hashed;
  }
  // Get references to ES5 object methods.
  var isExtensible = Object.isExtensible;
  // True if Object.defineProperty works as expected. IE8 fails this test.
  // TODO remove this as widely available https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty
  var canDefineProperty = (function () {
      try {
          Object.defineProperty({}, '@', {});
          return true;
          // eslint-disable-next-line @typescript-eslint/no-unused-vars
      }
      catch (e) {
          return false;
      }
  })();
  // IE has a `uniqueID` property on DOM nodes. We can construct the hash from it
  // and avoid memory leaks from the IE cloneNode bug.
  // TODO remove this method as only used if `canDefineProperty` is false
  function getIENodeHash(node) {
      // @ts-expect-error don't care
      if (node && node.nodeType > 0) {
          // @ts-expect-error don't care
          switch (node.nodeType) {
              case 1: // Element
                  // @ts-expect-error don't care
                  return node.uniqueID;
              case 9: // Document
                  // @ts-expect-error don't care
                  return node.documentElement && node.documentElement.uniqueID;
          }
      }
  }
  function valueOf(obj) {
      return obj.valueOf !== defaultValueOf && typeof obj.valueOf === 'function'
          ? // @ts-expect-error weird the "obj" parameter as `valueOf` should not have a parameter
              obj.valueOf(obj)
          : obj;
  }
  function nextHash() {
      var nextHash = ++_objHashUID;
      if (_objHashUID & 0x40000000) {
          _objHashUID = 0;
      }
      return nextHash;
  }
  // If possible, use a WeakMap.
  // TODO using WeakMap should be true everywhere now that WeakMap is widely supported: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap
  var usingWeakMap = typeof WeakMap === 'function';
  var weakMap;
  if (usingWeakMap) {
      weakMap = new WeakMap();
  }
  var symbolMap = Object.create(null);
  var _objHashUID = 0;
  // TODO remove string as Symbol is now widely supported: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol
  var UID_HASH_KEY = '__immutablehash__';
  if (typeof Symbol === 'function') {
      UID_HASH_KEY = Symbol(UID_HASH_KEY);
  }
  var STRING_HASH_CACHE_MIN_STRLEN = 16;
  var STRING_HASH_CACHE_MAX_SIZE = 255;
  var STRING_HASH_CACHE_SIZE = 0;
  var stringHashCache = {};

  var ToKeyedSequence = /*@__PURE__*/(function (KeyedSeq) {
    function ToKeyedSequence(indexed, useKeys) {
      this._iter = indexed;
      this._useKeys = useKeys;
      this.size = indexed.size;
    }

    if ( KeyedSeq ) ToKeyedSequence.__proto__ = KeyedSeq;
    ToKeyedSequence.prototype = Object.create( KeyedSeq && KeyedSeq.prototype );
    ToKeyedSequence.prototype.constructor = ToKeyedSequence;

    ToKeyedSequence.prototype.get = function get (key, notSetValue) {
      return this._iter.get(key, notSetValue);
    };

    ToKeyedSequence.prototype.has = function has (key) {
      return this._iter.has(key);
    };

    ToKeyedSequence.prototype.valueSeq = function valueSeq () {
      return this._iter.valueSeq();
    };

    ToKeyedSequence.prototype.reverse = function reverse () {
      var this$1$1 = this;

      var reversedSequence = reverseFactory(this, true);
      if (!this._useKeys) {
        reversedSequence.valueSeq = function () { return this$1$1._iter.toSeq().reverse(); };
      }
      return reversedSequence;
    };

    ToKeyedSequence.prototype.map = function map (mapper, context) {
      var this$1$1 = this;

      var mappedSequence = mapFactory(this, mapper, context);
      if (!this._useKeys) {
        mappedSequence.valueSeq = function () { return this$1$1._iter.toSeq().map(mapper, context); };
      }
      return mappedSequence;
    };

    ToKeyedSequence.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      return this._iter.__iterate(function (v, k) { return fn(v, k, this$1$1); }, reverse);
    };

    ToKeyedSequence.prototype.__iterator = function __iterator (type, reverse) {
      return this._iter.__iterator(type, reverse);
    };

    return ToKeyedSequence;
  }(KeyedSeq));
  ToKeyedSequence.prototype[IS_ORDERED_SYMBOL] = true;

  var ToIndexedSequence = /*@__PURE__*/(function (IndexedSeq) {
    function ToIndexedSequence(iter) {
      this._iter = iter;
      this.size = iter.size;
    }

    if ( IndexedSeq ) ToIndexedSequence.__proto__ = IndexedSeq;
    ToIndexedSequence.prototype = Object.create( IndexedSeq && IndexedSeq.prototype );
    ToIndexedSequence.prototype.constructor = ToIndexedSequence;

    ToIndexedSequence.prototype.includes = function includes (value) {
      return this._iter.includes(value);
    };

    ToIndexedSequence.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      var i = 0;
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      reverse && ensureSize(this);
      return this._iter.__iterate(
        function (v) { return fn(v, reverse ? this$1$1.size - ++i : i++, this$1$1); },
        reverse
      );
    };

    ToIndexedSequence.prototype.__iterator = function __iterator (type, reverse) {
      var this$1$1 = this;

      var iterator = this._iter.__iterator(ITERATE_VALUES, reverse);
      var i = 0;
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      reverse && ensureSize(this);
      return new Iterator(function () {
        var step = iterator.next();
        return step.done
          ? step
          : iteratorValue(
              type,
              reverse ? this$1$1.size - ++i : i++,
              step.value,
              step
            );
      });
    };

    return ToIndexedSequence;
  }(IndexedSeq));

  var ToSetSequence = /*@__PURE__*/(function (SetSeq) {
    function ToSetSequence(iter) {
      this._iter = iter;
      this.size = iter.size;
    }

    if ( SetSeq ) ToSetSequence.__proto__ = SetSeq;
    ToSetSequence.prototype = Object.create( SetSeq && SetSeq.prototype );
    ToSetSequence.prototype.constructor = ToSetSequence;

    ToSetSequence.prototype.has = function has (key) {
      return this._iter.includes(key);
    };

    ToSetSequence.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      return this._iter.__iterate(function (v) { return fn(v, v, this$1$1); }, reverse);
    };

    ToSetSequence.prototype.__iterator = function __iterator (type, reverse) {
      var iterator = this._iter.__iterator(ITERATE_VALUES, reverse);
      return new Iterator(function () {
        var step = iterator.next();
        return step.done
          ? step
          : iteratorValue(type, step.value, step.value, step);
      });
    };

    return ToSetSequence;
  }(SetSeq));

  var FromEntriesSequence = /*@__PURE__*/(function (KeyedSeq) {
    function FromEntriesSequence(entries) {
      this._iter = entries;
      this.size = entries.size;
    }

    if ( KeyedSeq ) FromEntriesSequence.__proto__ = KeyedSeq;
    FromEntriesSequence.prototype = Object.create( KeyedSeq && KeyedSeq.prototype );
    FromEntriesSequence.prototype.constructor = FromEntriesSequence;

    FromEntriesSequence.prototype.entrySeq = function entrySeq () {
      return this._iter.toSeq();
    };

    FromEntriesSequence.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      return this._iter.__iterate(function (entry) {
        // Check if entry exists first so array access doesn't throw for holes
        // in the parent iteration.
        if (entry) {
          validateEntry(entry);
          var indexedCollection = isCollection(entry);
          return fn(
            indexedCollection ? entry.get(1) : entry[1],
            indexedCollection ? entry.get(0) : entry[0],
            this$1$1
          );
        }
      }, reverse);
    };

    FromEntriesSequence.prototype.__iterator = function __iterator (type, reverse) {
      var iterator = this._iter.__iterator(ITERATE_VALUES, reverse);
      return new Iterator(function () {
        while (true) {
          var step = iterator.next();
          if (step.done) {
            return step;
          }
          var entry = step.value;
          // Check if entry exists first so array access doesn't throw for holes
          // in the parent iteration.
          if (entry) {
            validateEntry(entry);
            var indexedCollection = isCollection(entry);
            return iteratorValue(
              type,
              indexedCollection ? entry.get(0) : entry[0],
              indexedCollection ? entry.get(1) : entry[1],
              step
            );
          }
        }
      });
    };

    return FromEntriesSequence;
  }(KeyedSeq));

  ToIndexedSequence.prototype.cacheResult =
    ToKeyedSequence.prototype.cacheResult =
    ToSetSequence.prototype.cacheResult =
    FromEntriesSequence.prototype.cacheResult =
      cacheResultThrough;

  function flipFactory(collection) {
    var flipSequence = makeSequence(collection);
    flipSequence._iter = collection;
    flipSequence.size = collection.size;
    flipSequence.flip = function () { return collection; };
    flipSequence.reverse = function () {
      var reversedSequence = collection.reverse.apply(this); // super.reverse()
      reversedSequence.flip = function () { return collection.reverse(); };
      return reversedSequence;
    };
    flipSequence.has = function (key) { return collection.includes(key); };
    flipSequence.includes = function (key) { return collection.has(key); };
    flipSequence.cacheResult = cacheResultThrough;
    flipSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      return collection.__iterate(function (v, k) { return fn(k, v, this$1$1) !== false; }, reverse);
    };
    flipSequence.__iteratorUncached = function (type, reverse) {
      if (type === ITERATE_ENTRIES) {
        var iterator = collection.__iterator(type, reverse);
        return new Iterator(function () {
          var step = iterator.next();
          if (!step.done) {
            var k = step.value[0];
            step.value[0] = step.value[1];
            step.value[1] = k;
          }
          return step;
        });
      }
      return collection.__iterator(
        type === ITERATE_VALUES ? ITERATE_KEYS : ITERATE_VALUES,
        reverse
      );
    };
    return flipSequence;
  }

  function mapFactory(collection, mapper, context) {
    var mappedSequence = makeSequence(collection);
    mappedSequence.size = collection.size;
    mappedSequence.has = function (key) { return collection.has(key); };
    mappedSequence.get = function (key, notSetValue) {
      var v = collection.get(key, NOT_SET);
      return v === NOT_SET
        ? notSetValue
        : mapper.call(context, v, key, collection);
    };
    mappedSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      return collection.__iterate(
        function (v, k, c) { return fn(mapper.call(context, v, k, c), k, this$1$1) !== false; },
        reverse
      );
    };
    mappedSequence.__iteratorUncached = function (type, reverse) {
      var iterator = collection.__iterator(ITERATE_ENTRIES, reverse);
      return new Iterator(function () {
        var step = iterator.next();
        if (step.done) {
          return step;
        }
        var entry = step.value;
        var key = entry[0];
        return iteratorValue(
          type,
          key,
          mapper.call(context, entry[1], key, collection),
          step
        );
      });
    };
    return mappedSequence;
  }

  function reverseFactory(collection, useKeys) {
    var this$1$1 = this;

    var reversedSequence = makeSequence(collection);
    reversedSequence._iter = collection;
    reversedSequence.size = collection.size;
    reversedSequence.reverse = function () { return collection; };
    if (collection.flip) {
      reversedSequence.flip = function () {
        var flipSequence = flipFactory(collection);
        flipSequence.reverse = function () { return collection.flip(); };
        return flipSequence;
      };
    }
    reversedSequence.get = function (key, notSetValue) { return collection.get(useKeys ? key : -1 - key, notSetValue); };
    reversedSequence.has = function (key) { return collection.has(useKeys ? key : -1 - key); };
    reversedSequence.includes = function (value) { return collection.includes(value); };
    reversedSequence.cacheResult = cacheResultThrough;
    reversedSequence.__iterate = function (fn, reverse) {
      var this$1$1 = this;

      var i = 0;
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      reverse && ensureSize(collection);
      return collection.__iterate(
        function (v, k) { return fn(v, useKeys ? k : reverse ? this$1$1.size - ++i : i++, this$1$1); },
        !reverse
      );
    };
    reversedSequence.__iterator = function (type, reverse) {
      var i = 0;
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      reverse && ensureSize(collection);
      var iterator = collection.__iterator(ITERATE_ENTRIES, !reverse);
      return new Iterator(function () {
        var step = iterator.next();
        if (step.done) {
          return step;
        }
        var entry = step.value;
        return iteratorValue(
          type,
          useKeys ? entry[0] : reverse ? this$1$1.size - ++i : i++,
          entry[1],
          step
        );
      });
    };
    return reversedSequence;
  }

  function filterFactory(collection, predicate, context, useKeys) {
    var filterSequence = makeSequence(collection);
    if (useKeys) {
      filterSequence.has = function (key) {
        var v = collection.get(key, NOT_SET);
        return v !== NOT_SET && !!predicate.call(context, v, key, collection);
      };
      filterSequence.get = function (key, notSetValue) {
        var v = collection.get(key, NOT_SET);
        return v !== NOT_SET && predicate.call(context, v, key, collection)
          ? v
          : notSetValue;
      };
    }
    filterSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      var iterations = 0;
      collection.__iterate(function (v, k, c) {
        if (predicate.call(context, v, k, c)) {
          iterations++;
          return fn(v, useKeys ? k : iterations - 1, this$1$1);
        }
      }, reverse);
      return iterations;
    };
    filterSequence.__iteratorUncached = function (type, reverse) {
      var iterator = collection.__iterator(ITERATE_ENTRIES, reverse);
      var iterations = 0;
      return new Iterator(function () {
        while (true) {
          var step = iterator.next();
          if (step.done) {
            return step;
          }
          var entry = step.value;
          var key = entry[0];
          var value = entry[1];
          if (predicate.call(context, value, key, collection)) {
            return iteratorValue(type, useKeys ? key : iterations++, value, step);
          }
        }
      });
    };
    return filterSequence;
  }

  function countByFactory(collection, grouper, context) {
    var groups = Map$1().asMutable();
    collection.__iterate(function (v, k) {
      groups.update(grouper.call(context, v, k, collection), 0, function (a) { return a + 1; });
    });
    return groups.asImmutable();
  }

  function groupByFactory(collection, grouper, context) {
    var isKeyedIter = isKeyed(collection);
    var groups = (isOrdered(collection) ? OrderedMap() : Map$1()).asMutable();
    collection.__iterate(function (v, k) {
      groups.update(
        grouper.call(context, v, k, collection),
        function (a) { return ((a = a || []), a.push(isKeyedIter ? [k, v] : v), a); }
      );
    });
    var coerce = collectionClass(collection);
    return groups.map(function (arr) { return reify(collection, coerce(arr)); }).asImmutable();
  }

  function partitionFactory(collection, predicate, context) {
    var isKeyedIter = isKeyed(collection);
    var groups = [[], []];
    collection.__iterate(function (v, k) {
      groups[predicate.call(context, v, k, collection) ? 1 : 0].push(
        isKeyedIter ? [k, v] : v
      );
    });
    var coerce = collectionClass(collection);
    return groups.map(function (arr) { return reify(collection, coerce(arr)); });
  }

  function sliceFactory(collection, begin, end, useKeys) {
    var originalSize = collection.size;

    if (wholeSlice(begin, end, originalSize)) {
      return collection;
    }

    // begin or end can not be resolved if they were provided as negative numbers and
    // this collection's size is unknown. In that case, cache first so there is
    // a known size and these do not resolve to NaN.
    if (typeof originalSize === 'undefined' && (begin < 0 || end < 0)) {
      return sliceFactory(collection.toSeq().cacheResult(), begin, end, useKeys);
    }

    var resolvedBegin = resolveBegin(begin, originalSize);
    var resolvedEnd = resolveEnd(end, originalSize);

    // Note: resolvedEnd is undefined when the original sequence's length is
    // unknown and this slice did not supply an end and should contain all
    // elements after resolvedBegin.
    // In that case, resolvedSize will be NaN and sliceSize will remain undefined.
    var resolvedSize = resolvedEnd - resolvedBegin;
    var sliceSize;
    if (resolvedSize === resolvedSize) {
      sliceSize = resolvedSize < 0 ? 0 : resolvedSize;
    }

    var sliceSeq = makeSequence(collection);

    // If collection.size is undefined, the size of the realized sliceSeq is
    // unknown at this point unless the number of items to slice is 0
    sliceSeq.size =
      sliceSize === 0 ? sliceSize : (collection.size && sliceSize) || undefined;

    if (!useKeys && isSeq(collection) && sliceSize >= 0) {
      sliceSeq.get = function (index, notSetValue) {
        index = wrapIndex(this, index);
        return index >= 0 && index < sliceSize
          ? collection.get(index + resolvedBegin, notSetValue)
          : notSetValue;
      };
    }

    sliceSeq.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      if (sliceSize === 0) {
        return 0;
      }
      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }
      var skipped = 0;
      var isSkipping = true;
      var iterations = 0;
      collection.__iterate(function (v, k) {
        if (!(isSkipping && (isSkipping = skipped++ < resolvedBegin))) {
          iterations++;
          return (
            fn(v, useKeys ? k : iterations - 1, this$1$1) !== false &&
            iterations !== sliceSize
          );
        }
      });
      return iterations;
    };

    sliceSeq.__iteratorUncached = function (type, reverse) {
      if (sliceSize !== 0 && reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }
      // Don't bother instantiating parent iterator if taking 0.
      if (sliceSize === 0) {
        return new Iterator(iteratorDone);
      }
      var iterator = collection.__iterator(type, reverse);
      var skipped = 0;
      var iterations = 0;
      return new Iterator(function () {
        while (skipped++ < resolvedBegin) {
          iterator.next();
        }
        if (++iterations > sliceSize) {
          return iteratorDone();
        }
        var step = iterator.next();
        if (useKeys || type === ITERATE_VALUES || step.done) {
          return step;
        }
        if (type === ITERATE_KEYS) {
          return iteratorValue(type, iterations - 1, undefined, step);
        }
        return iteratorValue(type, iterations - 1, step.value[1], step);
      });
    };

    return sliceSeq;
  }

  function takeWhileFactory(collection, predicate, context) {
    var takeSequence = makeSequence(collection);
    takeSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }
      var iterations = 0;
      collection.__iterate(
        function (v, k, c) { return predicate.call(context, v, k, c) && ++iterations && fn(v, k, this$1$1); }
      );
      return iterations;
    };
    takeSequence.__iteratorUncached = function (type, reverse) {
      var this$1$1 = this;

      if (reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }
      var iterator = collection.__iterator(ITERATE_ENTRIES, reverse);
      var iterating = true;
      return new Iterator(function () {
        if (!iterating) {
          return iteratorDone();
        }
        var step = iterator.next();
        if (step.done) {
          return step;
        }
        var entry = step.value;
        var k = entry[0];
        var v = entry[1];
        if (!predicate.call(context, v, k, this$1$1)) {
          iterating = false;
          return iteratorDone();
        }
        return type === ITERATE_ENTRIES ? step : iteratorValue(type, k, v, step);
      });
    };
    return takeSequence;
  }

  function skipWhileFactory(collection, predicate, context, useKeys) {
    var skipSequence = makeSequence(collection);
    skipSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }
      var isSkipping = true;
      var iterations = 0;
      collection.__iterate(function (v, k, c) {
        if (!(isSkipping && (isSkipping = predicate.call(context, v, k, c)))) {
          iterations++;
          return fn(v, useKeys ? k : iterations - 1, this$1$1);
        }
      });
      return iterations;
    };
    skipSequence.__iteratorUncached = function (type, reverse) {
      var this$1$1 = this;

      if (reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }
      var iterator = collection.__iterator(ITERATE_ENTRIES, reverse);
      var skipping = true;
      var iterations = 0;
      return new Iterator(function () {
        var step;
        var k;
        var v;
        do {
          step = iterator.next();
          if (step.done) {
            if (useKeys || type === ITERATE_VALUES) {
              return step;
            }
            if (type === ITERATE_KEYS) {
              return iteratorValue(type, iterations++, undefined, step);
            }
            return iteratorValue(type, iterations++, step.value[1], step);
          }
          var entry = step.value;
          k = entry[0];
          v = entry[1];
          // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
          skipping && (skipping = predicate.call(context, v, k, this$1$1));
        } while (skipping);
        return type === ITERATE_ENTRIES ? step : iteratorValue(type, k, v, step);
      });
    };
    return skipSequence;
  }

  var ConcatSeq = /*@__PURE__*/(function (Seq) {
    function ConcatSeq(iterables) {
      this._wrappedIterables = iterables.flatMap(function (iterable) {
        if (iterable._wrappedIterables) {
          return iterable._wrappedIterables;
        }
        return [iterable];
      });
      this.size = this._wrappedIterables.reduce(function (sum, iterable) {
        if (sum !== undefined) {
          var size = iterable.size;
          if (size !== undefined) {
            return sum + size;
          }
        }
      }, 0);
      this[IS_KEYED_SYMBOL] = this._wrappedIterables[0][IS_KEYED_SYMBOL];
      this[IS_INDEXED_SYMBOL] = this._wrappedIterables[0][IS_INDEXED_SYMBOL];
      this[IS_ORDERED_SYMBOL] = this._wrappedIterables[0][IS_ORDERED_SYMBOL];
    }

    if ( Seq ) ConcatSeq.__proto__ = Seq;
    ConcatSeq.prototype = Object.create( Seq && Seq.prototype );
    ConcatSeq.prototype.constructor = ConcatSeq;

    ConcatSeq.prototype.__iterateUncached = function __iterateUncached (fn, reverse) {
      if (this._wrappedIterables.length === 0) {
        return;
      }

      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }

      var iterableIndex = 0;
      var useKeys = isKeyed(this);
      var iteratorType = useKeys ? ITERATE_ENTRIES : ITERATE_VALUES;
      var currentIterator = this._wrappedIterables[iterableIndex].__iterator(
        iteratorType,
        reverse
      );

      var keepGoing = true;
      var index = 0;
      while (keepGoing) {
        var next = currentIterator.next();
        while (next.done) {
          iterableIndex++;
          if (iterableIndex === this._wrappedIterables.length) {
            return index;
          }
          currentIterator = this._wrappedIterables[iterableIndex].__iterator(
            iteratorType,
            reverse
          );
          next = currentIterator.next();
        }
        var fnResult = useKeys
          ? fn(next.value[1], next.value[0], this)
          : fn(next.value, index, this);
        keepGoing = fnResult !== false;
        index++;
      }
      return index;
    };

    ConcatSeq.prototype.__iteratorUncached = function __iteratorUncached (type, reverse) {
      var this$1$1 = this;

      if (this._wrappedIterables.length === 0) {
        return new Iterator(iteratorDone);
      }

      if (reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }

      var iterableIndex = 0;
      var currentIterator = this._wrappedIterables[iterableIndex].__iterator(
        type,
        reverse
      );
      return new Iterator(function () {
        var next = currentIterator.next();
        while (next.done) {
          iterableIndex++;
          if (iterableIndex === this$1$1._wrappedIterables.length) {
            return next;
          }
          currentIterator = this$1$1._wrappedIterables[iterableIndex].__iterator(
            type,
            reverse
          );
          next = currentIterator.next();
        }
        return next;
      });
    };

    return ConcatSeq;
  }(Seq));

  function concatFactory(collection, values) {
    var isKeyedCollection = isKeyed(collection);
    var iters = [collection]
      .concat(values)
      .map(function (v) {
        if (!isCollection(v)) {
          v = isKeyedCollection
            ? keyedSeqFromValue(v)
            : indexedSeqFromValue(Array.isArray(v) ? v : [v]);
        } else if (isKeyedCollection) {
          v = KeyedCollection(v);
        }
        return v;
      })
      .filter(function (v) { return v.size !== 0; });

    if (iters.length === 0) {
      return collection;
    }

    if (iters.length === 1) {
      var singleton = iters[0];
      if (
        singleton === collection ||
        (isKeyedCollection && isKeyed(singleton)) ||
        (isIndexed(collection) && isIndexed(singleton))
      ) {
        return singleton;
      }
    }

    return new ConcatSeq(iters);
  }

  function flattenFactory(collection, depth, useKeys) {
    var flatSequence = makeSequence(collection);
    flatSequence.__iterateUncached = function (fn, reverse) {
      if (reverse) {
        return this.cacheResult().__iterate(fn, reverse);
      }
      var iterations = 0;
      var stopped = false;
      function flatDeep(iter, currentDepth) {
        iter.__iterate(function (v, k) {
          if ((!depth || currentDepth < depth) && isCollection(v)) {
            flatDeep(v, currentDepth + 1);
          } else {
            iterations++;
            if (fn(v, useKeys ? k : iterations - 1, flatSequence) === false) {
              stopped = true;
            }
          }
          return !stopped;
        }, reverse);
      }
      flatDeep(collection, 0);
      return iterations;
    };
    flatSequence.__iteratorUncached = function (type, reverse) {
      if (reverse) {
        return this.cacheResult().__iterator(type, reverse);
      }
      var iterator = collection.__iterator(type, reverse);
      var stack = [];
      var iterations = 0;
      return new Iterator(function () {
        while (iterator) {
          var step = iterator.next();
          if (step.done !== false) {
            iterator = stack.pop();
            continue;
          }
          var v = step.value;
          if (type === ITERATE_ENTRIES) {
            v = v[1];
          }
          if ((!depth || stack.length < depth) && isCollection(v)) {
            stack.push(iterator);
            iterator = v.__iterator(type, reverse);
          } else {
            return useKeys ? step : iteratorValue(type, iterations++, v, step);
          }
        }
        return iteratorDone();
      });
    };
    return flatSequence;
  }

  function flatMapFactory(collection, mapper, context) {
    var coerce = collectionClass(collection);
    return collection
      .toSeq()
      .map(function (v, k) { return coerce(mapper.call(context, v, k, collection)); })
      .flatten(true);
  }

  function interposeFactory(collection, separator) {
    var interposedSequence = makeSequence(collection);
    interposedSequence.size = collection.size && collection.size * 2 - 1;
    interposedSequence.__iterateUncached = function (fn, reverse) {
      var this$1$1 = this;

      var iterations = 0;
      collection.__iterate(
        function (v) { return (!iterations || fn(separator, iterations++, this$1$1) !== false) &&
          fn(v, iterations++, this$1$1) !== false; },
        reverse
      );
      return iterations;
    };
    interposedSequence.__iteratorUncached = function (type, reverse) {
      var iterator = collection.__iterator(ITERATE_VALUES, reverse);
      var iterations = 0;
      var step;
      return new Iterator(function () {
        if (!step || iterations % 2) {
          step = iterator.next();
          if (step.done) {
            return step;
          }
        }
        return iterations % 2
          ? iteratorValue(type, iterations++, separator)
          : iteratorValue(type, iterations++, step.value, step);
      });
    };
    return interposedSequence;
  }

  function sortFactory(collection, comparator, mapper) {
    if (!comparator) {
      comparator = defaultComparator;
    }
    var isKeyedCollection = isKeyed(collection);
    var index = 0;
    var entries = collection
      .toSeq()
      .map(function (v, k) { return [k, v, index++, mapper ? mapper(v, k, collection) : v]; })
      .valueSeq()
      .toArray();
    entries
      .sort(function (a, b) { return comparator(a[3], b[3]) || a[2] - b[2]; })
      .forEach(
        isKeyedCollection
          ? function (v, i) {
              entries[i].length = 2;
            }
          : function (v, i) {
              entries[i] = v[1];
            }
      );
    return isKeyedCollection
      ? KeyedSeq(entries)
      : isIndexed(collection)
        ? IndexedSeq(entries)
        : SetSeq(entries);
  }

  function maxFactory(collection, comparator, mapper) {
    if (!comparator) {
      comparator = defaultComparator;
    }
    if (mapper) {
      var entry = collection
        .toSeq()
        .map(function (v, k) { return [v, mapper(v, k, collection)]; })
        .reduce(function (a, b) { return (maxCompare(comparator, a[1], b[1]) ? b : a); });
      return entry && entry[0];
    }
    return collection.reduce(function (a, b) { return (maxCompare(comparator, a, b) ? b : a); });
  }

  function maxCompare(comparator, a, b) {
    var comp = comparator(b, a);
    // b is considered the new max if the comparator declares them equal, but
    // they are not equal and b is in fact a nullish value.
    return (
      (comp === 0 && b !== a && (b === undefined || b === null || b !== b)) ||
      comp > 0
    );
  }

  function zipWithFactory(keyIter, zipper, iters, zipAll) {
    var zipSequence = makeSequence(keyIter);
    var sizes = new ArraySeq(iters).map(function (i) { return i.size; });
    zipSequence.size = zipAll ? sizes.max() : sizes.min();
    // Note: this a generic base implementation of __iterate in terms of
    // __iterator which may be more generically useful in the future.
    zipSequence.__iterate = function (fn, reverse) {
      /* generic:
      var iterator = this.__iterator(ITERATE_ENTRIES, reverse);
      var step;
      var iterations = 0;
      while (!(step = iterator.next()).done) {
        iterations++;
        if (fn(step.value[1], step.value[0], this) === false) {
          break;
        }
      }
      return iterations;
      */
      // indexed:
      var iterator = this.__iterator(ITERATE_VALUES, reverse);
      var step;
      var iterations = 0;
      while (!(step = iterator.next()).done) {
        if (fn(step.value, iterations++, this) === false) {
          break;
        }
      }
      return iterations;
    };
    zipSequence.__iteratorUncached = function (type, reverse) {
      var iterators = iters.map(
        function (i) { return ((i = Collection(i)), getIterator(reverse ? i.reverse() : i)); }
      );
      var iterations = 0;
      var isDone = false;
      return new Iterator(function () {
        var steps;
        if (!isDone) {
          steps = iterators.map(function (i) { return i.next(); });
          isDone = zipAll
            ? steps.every(function (s) { return s.done; })
            : steps.some(function (s) { return s.done; });
        }
        if (isDone) {
          return iteratorDone();
        }
        return iteratorValue(
          type,
          iterations++,
          zipper.apply(
            null,
            steps.map(function (s) { return s.value; })
          )
        );
      });
    };
    return zipSequence;
  }

  // #pragma Helper Functions

  function reify(iter, seq) {
    return iter === seq ? iter : isSeq(iter) ? seq : iter.constructor(seq);
  }

  function validateEntry(entry) {
    if (entry !== Object(entry)) {
      throw new TypeError('Expected [K, V] tuple: ' + entry);
    }
  }

  function collectionClass(collection) {
    return isKeyed(collection)
      ? KeyedCollection
      : isIndexed(collection)
        ? IndexedCollection
        : SetCollection;
  }

  function makeSequence(collection) {
    return Object.create(
      (isKeyed(collection)
        ? KeyedSeq
        : isIndexed(collection)
          ? IndexedSeq
          : SetSeq
      ).prototype
    );
  }

  function cacheResultThrough() {
    if (this._iter.cacheResult) {
      this._iter.cacheResult();
      this.size = this._iter.size;
      return this;
    }
    return Seq.prototype.cacheResult.call(this);
  }

  function defaultComparator(a, b) {
    if (a === undefined && b === undefined) {
      return 0;
    }

    if (a === undefined) {
      return 1;
    }

    if (b === undefined) {
      return -1;
    }

    return a > b ? 1 : a < b ? -1 : 0;
  }

  /**
   * True if `maybeValue` is a JavaScript Object which has *both* `equals()`
   * and `hashCode()` methods.
   *
   * Any two instances of *value objects* can be compared for value equality with
   * `Immutable.is()` and can be used as keys in a `Map` or members in a `Set`.
   */
  function isValueObject(maybeValue) {
      return Boolean(maybeValue &&
          // @ts-expect-error: maybeValue is typed as `{}`
          typeof maybeValue.equals === 'function' &&
          // @ts-expect-error: maybeValue is typed as `{}`
          typeof maybeValue.hashCode === 'function');
  }

  /**
   * An extension of the "same-value" algorithm as [described for use by ES6 Map
   * and Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Key_equality)
   *
   * NaN is considered the same as NaN, however -0 and 0 are considered the same
   * value, which is different from the algorithm described by
   * [`Object.is`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is).
   *
   * This is extended further to allow Objects to describe the values they
   * represent, by way of `valueOf` or `equals` (and `hashCode`).
   *
   * Note: because of this extension, the key equality of Immutable.Map and the
   * value equality of Immutable.Set will differ from ES6 Map and Set.
   *
   * ### Defining custom values
   *
   * The easiest way to describe the value an object represents is by implementing
   * `valueOf`. For example, `Date` represents a value by returning a unix
   * timestamp for `valueOf`:
   *
   *     var date1 = new Date(1234567890000); // Fri Feb 13 2009 ...
   *     var date2 = new Date(1234567890000);
   *     date1.valueOf(); // 1234567890000
   *     assert( date1 !== date2 );
   *     assert( Immutable.is( date1, date2 ) );
   *
   * Note: overriding `valueOf` may have other implications if you use this object
   * where JavaScript expects a primitive, such as implicit string coercion.
   *
   * For more complex types, especially collections, implementing `valueOf` may
   * not be performant. An alternative is to implement `equals` and `hashCode`.
   *
   * `equals` takes another object, presumably of similar type, and returns true
   * if it is equal. Equality is symmetrical, so the same result should be
   * returned if this and the argument are flipped.
   *
   *     assert( a.equals(b) === b.equals(a) );
   *
   * `hashCode` returns a 32bit integer number representing the object which will
   * be used to determine how to store the value object in a Map or Set. You must
   * provide both or neither methods, one must not exist without the other.
   *
   * Also, an important relationship between these methods must be upheld: if two
   * values are equal, they *must* return the same hashCode. If the values are not
   * equal, they might have the same hashCode; this is called a hash collision,
   * and while undesirable for performance reasons, it is acceptable.
   *
   *     if (a.equals(b)) {
   *       assert( a.hashCode() === b.hashCode() );
   *     }
   *
   * All Immutable collections are Value Objects: they implement `equals()`
   * and `hashCode()`.
   */
  function is(valueA, valueB) {
      if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) {
          return true;
      }
      if (!valueA || !valueB) {
          return false;
      }
      if (typeof valueA.valueOf === 'function' &&
          typeof valueB.valueOf === 'function') {
          valueA = valueA.valueOf();
          valueB = valueB.valueOf();
          if (valueA === valueB || (valueA !== valueA && valueB !== valueB)) {
              return true;
          }
          if (!valueA || !valueB) {
              return false;
          }
      }
      return !!(isValueObject(valueA) &&
          isValueObject(valueB) &&
          valueA.equals(valueB));
  }

  function update$1(collection, key, notSetValue, updater) {
      return updateIn(
      // @ts-expect-error Index signature for type string is missing in type V[]
      collection, [key], notSetValue, updater);
  }

  function merge$1() {
    var iters = [], len = arguments.length;
    while ( len-- ) iters[ len ] = arguments[ len ];

    return mergeIntoKeyedWith(this, iters);
  }

  function mergeWith$1(merger) {
    var iters = [], len = arguments.length - 1;
    while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ];

    if (typeof merger !== 'function') {
      throw new TypeError('Invalid merger function: ' + merger);
    }
    return mergeIntoKeyedWith(this, iters, merger);
  }

  function mergeIntoKeyedWith(collection, collections, merger) {
    var iters = [];
    for (var ii = 0; ii < collections.length; ii++) {
      var collection$1 = KeyedCollection(collections[ii]);
      if (collection$1.size !== 0) {
        iters.push(collection$1);
      }
    }
    if (iters.length === 0) {
      return collection;
    }
    if (
      collection.toSeq().size === 0 &&
      !collection.__ownerID &&
      iters.length === 1
    ) {
      return isRecord(collection)
        ? collection // Record is empty and will not be updated: return the same instance
        : collection.constructor(iters[0]);
    }
    return collection.withMutations(function (collection) {
      var mergeIntoCollection = merger
        ? function (value, key) {
            update$1(collection, key, NOT_SET, function (oldVal) { return oldVal === NOT_SET ? value : merger(oldVal, value, key); }
            );
          }
        : function (value, key) {
            collection.set(key, value);
          };
      for (var ii = 0; ii < iters.length; ii++) {
        iters[ii].forEach(mergeIntoCollection);
      }
    });
  }

  var toString = Object.prototype.toString;
  function isPlainObject(value) {
      // The base prototype's toString deals with Argument objects and native namespaces like Math
      if (!value ||
          typeof value !== 'object' ||
          toString.call(value) !== '[object Object]') {
          return false;
      }
      var proto = Object.getPrototypeOf(value);
      if (proto === null) {
          return true;
      }
      // Iteratively going up the prototype chain is needed for cross-realm environments (differing contexts, iframes, etc)
      var parentProto = proto;
      var nextProto = Object.getPrototypeOf(proto);
      while (nextProto !== null) {
          parentProto = nextProto;
          nextProto = Object.getPrototypeOf(parentProto);
      }
      return parentProto === proto;
  }

  /**
   * Returns true if the value is a potentially-persistent data structure, either
   * provided by Immutable.js or a plain Array or Object.
   */
  function isDataStructure(value) {
      return (typeof value === 'object' &&
          (isImmutable(value) || Array.isArray(value) || isPlainObject(value)));
  }

  function isProtoKey(key) {
      return (typeof key === 'string' && (key === '__proto__' || key === 'constructor'));
  }

  // http://jsperf.com/copy-array-inline
  function arrCopy(arr, offset) {
      offset = offset || 0;
      var len = Math.max(0, arr.length - offset);
      var newArr = new Array(len);
      for (var ii = 0; ii < len; ii++) {
          // @ts-expect-error We may want to guard for undefined values with `if (arr[ii + offset] !== undefined`, but ths should not happen by design
          newArr[ii] = arr[ii + offset];
      }
      return newArr;
  }

  function shallowCopy(from) {
      if (Array.isArray(from)) {
          return arrCopy(from);
      }
      var to = {};
      for (var key in from) {
          if (isProtoKey(key)) {
              continue;
          }
          if (hasOwnProperty.call(from, key)) {
              to[key] = from[key];
          }
      }
      return to;
  }

  function merge(collection) {
    var sources = [], len = arguments.length - 1;
    while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];

    return mergeWithSources(collection, sources);
  }

  function mergeWith(merger, collection) {
    var sources = [], len = arguments.length - 2;
    while ( len-- > 0 ) sources[ len ] = arguments[ len + 2 ];

    return mergeWithSources(collection, sources, merger);
  }

  function mergeDeep$1(collection) {
    var sources = [], len = arguments.length - 1;
    while ( len-- > 0 ) sources[ len ] = arguments[ len + 1 ];

    return mergeDeepWithSources(collection, sources);
  }

  function mergeDeepWith$1(merger, collection) {
    var sources = [], len = arguments.length - 2;
    while ( len-- > 0 ) sources[ len ] = arguments[ len + 2 ];

    return mergeDeepWithSources(collection, sources, merger);
  }

  function mergeDeepWithSources(collection, sources, merger) {
    return mergeWithSources(collection, sources, deepMergerWith(merger));
  }

  function mergeWithSources(collection, sources, merger) {
    if (!isDataStructure(collection)) {
      throw new TypeError(
        'Cannot merge into non-data-structure value: ' + collection
      );
    }
    if (isImmutable(collection)) {
      return typeof merger === 'function' && collection.mergeWith
        ? collection.mergeWith.apply(collection, [ merger ].concat( sources ))
        : collection.merge
          ? collection.merge.apply(collection, sources)
          : collection.concat.apply(collection, sources);
    }
    var isArray = Array.isArray(collection);
    var merged = collection;
    var Collection = isArray ? IndexedCollection : KeyedCollection;
    var mergeItem = isArray
      ? function (value) {
          // Copy on write
          if (merged === collection) {
            merged = shallowCopy(merged);
          }
          merged.push(value);
        }
      : function (value, key) {
          if (isProtoKey(key)) {
            return;
          }

          var hasVal = hasOwnProperty.call(merged, key);
          var nextVal =
            hasVal && merger ? merger(merged[key], value, key) : value;
          if (!hasVal || nextVal !== merged[key]) {
            // Copy on write
            if (merged === collection) {
              merged = shallowCopy(merged);
            }
            merged[key] = nextVal;
          }
        };
    for (var i = 0; i < sources.length; i++) {
      Collection(sources[i]).forEach(mergeItem);
    }
    return merged;
  }

  function deepMergerWith(merger) {
    function deepMerger(oldValue, newValue, key) {
      return isDataStructure(oldValue) &&
        isDataStructure(newValue) &&
        areMergeable(oldValue, newValue)
        ? mergeWithSources(oldValue, [newValue], deepMerger)
        : merger
          ? merger(oldValue, newValue, key)
          : newValue;
    }
    return deepMerger;
  }

  /**
   * It's unclear what the desired behavior is for merging two collections that
   * fall into separate categories between keyed, indexed, or set-like, so we only
   * consider them mergeable if they fall into the same category.
   */
  function areMergeable(oldDataStructure, newDataStructure) {
    var oldSeq = Seq(oldDataStructure);
    var newSeq = Seq(newDataStructure);
    // This logic assumes that a sequence can only fall into one of the three
    // categories mentioned above (since there's no `isSetLike()` method).
    return (
      isIndexed(oldSeq) === isIndexed(newSeq) &&
      isKeyed(oldSeq) === isKeyed(newSeq)
    );
  }

  function mergeDeep() {
    var iters = [], len = arguments.length;
    while ( len-- ) iters[ len ] = arguments[ len ];

    return mergeDeepWithSources(this, iters);
  }

  function mergeDeepWith(merger) {
    var iters = [], len = arguments.length - 1;
    while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ];

    return mergeDeepWithSources(this, iters, merger);
  }

  function mergeDeepIn(keyPath) {
    var iters = [], len = arguments.length - 1;
    while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ];

    return updateIn(this, keyPath, emptyMap(), function (m) { return mergeDeepWithSources(m, iters); }
    );
  }

  function mergeIn(keyPath) {
    var iters = [], len = arguments.length - 1;
    while ( len-- > 0 ) iters[ len ] = arguments[ len + 1 ];

    return updateIn(this, keyPath, emptyMap(), function (m) { return mergeWithSources(m, iters); });
  }

  /**
   * Returns a copy of the collection with the value at the key path set to the
   * provided value.
   *
   * A functional alternative to `collection.setIn(keypath)` which will also
   * work with plain Objects and Arrays.
   */
  function setIn$1(collection, keyPath, value) {
      return updateIn(collection, keyPath, NOT_SET, function () { return value; });
  }

  function setIn(keyPath, v) {
    return setIn$1(this, keyPath, v);
  }

  function update(key, notSetValue, updater) {
    return arguments.length === 1
      ? key(this)
      : update$1(this, key, notSetValue, updater);
  }

  function updateIn$1(keyPath, notSetValue, updater) {
    return updateIn(this, keyPath, notSetValue, updater);
  }

  function wasAltered() {
    return this.__altered;
  }

  function withMutations(fn) {
    var mutable = this.asMutable();
    fn(mutable);
    return mutable.wasAltered() ? mutable.__ensureOwner(this.__ownerID) : this;
  }

  var IS_MAP_SYMBOL = '@@__IMMUTABLE_MAP__@@';
  /**
   * True if `maybeMap` is a Map.
   *
   * Also true for OrderedMaps.
   */
  function isMap(maybeMap) {
      return Boolean(maybeMap &&
          // @ts-expect-error: maybeMap is typed as `{}`, need to change in 6.0 to `maybeMap && typeof maybeMap === 'object' && IS_MAP_SYMBOL in maybeMap`
          maybeMap[IS_MAP_SYMBOL]);
  }

  function invariant(condition, error) {
      if (!condition)
          { throw new Error(error); }
  }

  function assertNotInfinite(size) {
      invariant(size !== Infinity, 'Cannot perform this action with an infinite size.');
  }

  var Map$1 = /*@__PURE__*/(function (KeyedCollection) {
    function Map(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptyMap()
        : isMap(value) && !isOrdered(value)
          ? value
          : emptyMap().withMutations(function (map) {
              var iter = KeyedCollection(value);
              assertNotInfinite(iter.size);
              iter.forEach(function (v, k) { return map.set(k, v); });
            });
    }

    if ( KeyedCollection ) Map.__proto__ = KeyedCollection;
    Map.prototype = Object.create( KeyedCollection && KeyedCollection.prototype );
    Map.prototype.constructor = Map;

    Map.prototype.toString = function toString () {
      return this.__toString('Map {', '}');
    };

    // @pragma Access

    Map.prototype.get = function get (k, notSetValue) {
      return this._root
        ? this._root.get(0, undefined, k, notSetValue)
        : notSetValue;
    };

    // @pragma Modification

    Map.prototype.set = function set (k, v) {
      return updateMap(this, k, v);
    };

    Map.prototype.remove = function remove (k) {
      return updateMap(this, k, NOT_SET);
    };

    Map.prototype.deleteAll = function deleteAll (keys) {
      var collection = Collection(keys);

      if (collection.size === 0) {
        return this;
      }

      return this.withMutations(function (map) {
        collection.forEach(function (key) { return map.remove(key); });
      });
    };

    Map.prototype.clear = function clear () {
      if (this.size === 0) {
        return this;
      }
      if (this.__ownerID) {
        this.size = 0;
        this._root = null;
        this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return emptyMap();
    };

    // @pragma Composition

    Map.prototype.sort = function sort (comparator) {
      // Late binding
      return OrderedMap(sortFactory(this, comparator));
    };

    Map.prototype.sortBy = function sortBy (mapper, comparator) {
      // Late binding
      return OrderedMap(sortFactory(this, comparator, mapper));
    };

    Map.prototype.map = function map (mapper, context) {
      var this$1$1 = this;

      return this.withMutations(function (map) {
        map.forEach(function (value, key) {
          map.set(key, mapper.call(context, value, key, this$1$1));
        });
      });
    };

    // @pragma Mutability

    Map.prototype.__iterator = function __iterator (type, reverse) {
      return new MapIterator(this, type, reverse);
    };

    Map.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      var iterations = 0;
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      this._root &&
        this._root.iterate(function (entry) {
          iterations++;
          return fn(entry[1], entry[0], this$1$1);
        }, reverse);
      return iterations;
    };

    Map.prototype.__ensureOwner = function __ensureOwner (ownerID) {
      if (ownerID === this.__ownerID) {
        return this;
      }
      if (!ownerID) {
        if (this.size === 0) {
          return emptyMap();
        }
        this.__ownerID = ownerID;
        this.__altered = false;
        return this;
      }
      return makeMap(this.size, this._root, ownerID, this.__hash);
    };

    return Map;
  }(KeyedCollection));

  Map$1.isMap = isMap;

  var MapPrototype = Map$1.prototype;
  MapPrototype[IS_MAP_SYMBOL] = true;
  MapPrototype[DELETE] = MapPrototype.remove;
  MapPrototype.removeAll = MapPrototype.deleteAll;
  MapPrototype.setIn = setIn;
  MapPrototype.removeIn = MapPrototype.deleteIn = deleteIn;
  MapPrototype.update = update;
  MapPrototype.updateIn = updateIn$1;
  MapPrototype.merge = MapPrototype.concat = merge$1;
  MapPrototype.mergeWith = mergeWith$1;
  MapPrototype.mergeDeep = mergeDeep;
  MapPrototype.mergeDeepWith = mergeDeepWith;
  MapPrototype.mergeIn = mergeIn;
  MapPrototype.mergeDeepIn = mergeDeepIn;
  MapPrototype.withMutations = withMutations;
  MapPrototype.wasAltered = wasAltered;
  MapPrototype.asImmutable = asImmutable;
  MapPrototype['@@transducer/init'] = MapPrototype.asMutable = asMutable;
  MapPrototype['@@transducer/step'] = function (result, arr) {
    return result.set(arr[0], arr[1]);
  };
  MapPrototype['@@transducer/result'] = function (obj) {
    return obj.asImmutable();
  };

  // #pragma Trie Nodes

  var ArrayMapNode = function ArrayMapNode(ownerID, entries) {
    this.ownerID = ownerID;
    this.entries = entries;
  };

  ArrayMapNode.prototype.get = function get (shift, keyHash, key, notSetValue) {
    var entries = this.entries;
    for (var ii = 0, len = entries.length; ii < len; ii++) {
      if (is(key, entries[ii][0])) {
        return entries[ii][1];
      }
    }
    return notSetValue;
  };

  ArrayMapNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) {
    var removed = value === NOT_SET;

    var entries = this.entries;
    var idx = 0;
    var len = entries.length;
    for (; idx < len; idx++) {
      if (is(key, entries[idx][0])) {
        break;
      }
    }
    var exists = idx < len;

    if (exists ? entries[idx][1] === value : removed) {
      return this;
    }

    SetRef(didAlter);
    // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
    (removed || !exists) && SetRef(didChangeSize);

    if (removed && entries.length === 1) {
      return; // undefined
    }

    if (!exists && !removed && entries.length >= MAX_ARRAY_MAP_SIZE) {
      return createNodes(ownerID, entries, key, value);
    }

    var isEditable = ownerID && ownerID === this.ownerID;
    var newEntries = isEditable ? entries : arrCopy(entries);

    if (exists) {
      if (removed) {
        // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
        idx === len - 1
          ? newEntries.pop()
          : (newEntries[idx] = newEntries.pop());
      } else {
        newEntries[idx] = [key, value];
      }
    } else {
      newEntries.push([key, value]);
    }

    if (isEditable) {
      this.entries = newEntries;
      return this;
    }

    return new ArrayMapNode(ownerID, newEntries);
  };

  var BitmapIndexedNode = function BitmapIndexedNode(ownerID, bitmap, nodes) {
    this.ownerID = ownerID;
    this.bitmap = bitmap;
    this.nodes = nodes;
  };

  BitmapIndexedNode.prototype.get = function get (shift, keyHash, key, notSetValue) {
    if (keyHash === undefined) {
      keyHash = hash(key);
    }
    var bit = 1 << ((shift === 0 ? keyHash : keyHash >>> shift) & MASK);
    var bitmap = this.bitmap;
    return (bitmap & bit) === 0
      ? notSetValue
      : this.nodes[popCount(bitmap & (bit - 1))].get(
          shift + SHIFT,
          keyHash,
          key,
          notSetValue
        );
  };

  BitmapIndexedNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) {
    if (keyHash === undefined) {
      keyHash = hash(key);
    }
    var keyHashFrag = (shift === 0 ? keyHash : keyHash >>> shift) & MASK;
    var bit = 1 << keyHashFrag;
    var bitmap = this.bitmap;
    var exists = (bitmap & bit) !== 0;

    if (!exists && value === NOT_SET) {
      return this;
    }

    var idx = popCount(bitmap & (bit - 1));
    var nodes = this.nodes;
    var node = exists ? nodes[idx] : undefined;
    var newNode = updateNode(
      node,
      ownerID,
      shift + SHIFT,
      keyHash,
      key,
      value,
      didChangeSize,
      didAlter
    );

    if (newNode === node) {
      return this;
    }

    if (!exists && newNode && nodes.length >= MAX_BITMAP_INDEXED_SIZE) {
      return expandNodes(ownerID, nodes, bitmap, keyHashFrag, newNode);
    }

    if (
      exists &&
      !newNode &&
      nodes.length === 2 &&
      isLeafNode(nodes[idx ^ 1])
    ) {
      return nodes[idx ^ 1];
    }

    if (exists && newNode && nodes.length === 1 && isLeafNode(newNode)) {
      return newNode;
    }

    var isEditable = ownerID && ownerID === this.ownerID;
    var newBitmap = exists ? (newNode ? bitmap : bitmap ^ bit) : bitmap | bit;
    var newNodes = exists
      ? newNode
        ? setAt(nodes, idx, newNode, isEditable)
        : spliceOut(nodes, idx, isEditable)
      : spliceIn(nodes, idx, newNode, isEditable);

    if (isEditable) {
      this.bitmap = newBitmap;
      this.nodes = newNodes;
      return this;
    }

    return new BitmapIndexedNode(ownerID, newBitmap, newNodes);
  };

  var HashArrayMapNode = function HashArrayMapNode(ownerID, count, nodes) {
    this.ownerID = ownerID;
    this.count = count;
    this.nodes = nodes;
  };

  HashArrayMapNode.prototype.get = function get (shift, keyHash, key, notSetValue) {
    if (keyHash === undefined) {
      keyHash = hash(key);
    }
    var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK;
    var node = this.nodes[idx];
    return node
      ? node.get(shift + SHIFT, keyHash, key, notSetValue)
      : notSetValue;
  };

  HashArrayMapNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) {
    if (keyHash === undefined) {
      keyHash = hash(key);
    }
    var idx = (shift === 0 ? keyHash : keyHash >>> shift) & MASK;
    var removed = value === NOT_SET;
    var nodes = this.nodes;
    var node = nodes[idx];

    if (removed && !node) {
      return this;
    }

    var newNode = updateNode(
      node,
      ownerID,
      shift + SHIFT,
      keyHash,
      key,
      value,
      didChangeSize,
      didAlter
    );
    if (newNode === node) {
      return this;
    }

    var newCount = this.count;
    if (!node) {
      newCount++;
    } else if (!newNode) {
      newCount--;
      if (newCount < MIN_HASH_ARRAY_MAP_SIZE) {
        return packNodes(ownerID, nodes, newCount, idx);
      }
    }

    var isEditable = ownerID && ownerID === this.ownerID;
    var newNodes = setAt(nodes, idx, newNode, isEditable);

    if (isEditable) {
      this.count = newCount;
      this.nodes = newNodes;
      return this;
    }

    return new HashArrayMapNode(ownerID, newCount, newNodes);
  };

  var HashCollisionNode = function HashCollisionNode(ownerID, keyHash, entries) {
    this.ownerID = ownerID;
    this.keyHash = keyHash;
    this.entries = entries;
  };

  HashCollisionNode.prototype.get = function get (shift, keyHash, key, notSetValue) {
    var entries = this.entries;
    for (var ii = 0, len = entries.length; ii < len; ii++) {
      if (is(key, entries[ii][0])) {
        return entries[ii][1];
      }
    }
    return notSetValue;
  };

  HashCollisionNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) {
    if (keyHash === undefined) {
      keyHash = hash(key);
    }

    var removed = value === NOT_SET;

    if (keyHash !== this.keyHash) {
      if (removed) {
        return this;
      }
      SetRef(didAlter);
      SetRef(didChangeSize);
      return mergeIntoNode(this, ownerID, shift, keyHash, [key, value]);
    }

    var entries = this.entries;
    var idx = 0;
    var len = entries.length;
    for (; idx < len; idx++) {
      if (is(key, entries[idx][0])) {
        break;
      }
    }
    var exists = idx < len;

    if (exists ? entries[idx][1] === value : removed) {
      return this;
    }

    SetRef(didAlter);
    // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
    (removed || !exists) && SetRef(didChangeSize);

    if (removed && len === 2) {
      return new ValueNode(ownerID, this.keyHash, entries[idx ^ 1]);
    }

    var isEditable = ownerID && ownerID === this.ownerID;
    var newEntries = isEditable ? entries : arrCopy(entries);

    if (exists) {
      if (removed) {
        // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
        idx === len - 1
          ? newEntries.pop()
          : (newEntries[idx] = newEntries.pop());
      } else {
        newEntries[idx] = [key, value];
      }
    } else {
      newEntries.push([key, value]);
    }

    if (isEditable) {
      this.entries = newEntries;
      return this;
    }

    return new HashCollisionNode(ownerID, this.keyHash, newEntries);
  };

  var ValueNode = function ValueNode(ownerID, keyHash, entry) {
    this.ownerID = ownerID;
    this.keyHash = keyHash;
    this.entry = entry;
  };

  ValueNode.prototype.get = function get (shift, keyHash, key, notSetValue) {
    return is(key, this.entry[0]) ? this.entry[1] : notSetValue;
  };

  ValueNode.prototype.update = function update (ownerID, shift, keyHash, key, value, didChangeSize, didAlter) {
    var removed = value === NOT_SET;
    var keyMatch = is(key, this.entry[0]);
    if (keyMatch ? value === this.entry[1] : removed) {
      return this;
    }

    SetRef(didAlter);

    if (removed) {
      SetRef(didChangeSize);
      return; // undefined
    }

    if (keyMatch) {
      if (ownerID && ownerID === this.ownerID) {
        this.entry[1] = value;
        return this;
      }
      return new ValueNode(ownerID, this.keyHash, [key, value]);
    }

    SetRef(didChangeSize);
    return mergeIntoNode(this, ownerID, shift, hash(key), [key, value]);
  };

  // #pragma Iterators

  ArrayMapNode.prototype.iterate = HashCollisionNode.prototype.iterate =
    function (fn, reverse) {
      var entries = this.entries;
      for (var ii = 0, maxIndex = entries.length - 1; ii <= maxIndex; ii++) {
        if (fn(entries[reverse ? maxIndex - ii : ii]) === false) {
          return false;
        }
      }
    };

  BitmapIndexedNode.prototype.iterate = HashArrayMapNode.prototype.iterate =
    function (fn, reverse) {
      var nodes = this.nodes;
      for (var ii = 0, maxIndex = nodes.length - 1; ii <= maxIndex; ii++) {
        var node = nodes[reverse ? maxIndex - ii : ii];
        if (node && node.iterate(fn, reverse) === false) {
          return false;
        }
      }
    };

  // eslint-disable-next-line @typescript-eslint/no-unused-vars
  ValueNode.prototype.iterate = function (fn, reverse) {
    return fn(this.entry);
  };

  var MapIterator = /*@__PURE__*/(function (Iterator) {
    function MapIterator(map, type, reverse) {
      this._type = type;
      this._reverse = reverse;
      this._stack = map._root && mapIteratorFrame(map._root);
    }

    if ( Iterator ) MapIterator.__proto__ = Iterator;
    MapIterator.prototype = Object.create( Iterator && Iterator.prototype );
    MapIterator.prototype.constructor = MapIterator;

    MapIterator.prototype.next = function next () {
      var type = this._type;
      var stack = this._stack;
      while (stack) {
        var node = stack.node;
        var index = stack.index++;
        var maxIndex = (void 0);
        if (node.entry) {
          if (index === 0) {
            return mapIteratorValue(type, node.entry);
          }
        } else if (node.entries) {
          maxIndex = node.entries.length - 1;
          if (index <= maxIndex) {
            return mapIteratorValue(
              type,
              node.entries[this._reverse ? maxIndex - index : index]
            );
          }
        } else {
          maxIndex = node.nodes.length - 1;
          if (index <= maxIndex) {
            var subNode = node.nodes[this._reverse ? maxIndex - index : index];
            if (subNode) {
              if (subNode.entry) {
                return mapIteratorValue(type, subNode.entry);
              }
              stack = this._stack = mapIteratorFrame(subNode, stack);
            }
            continue;
          }
        }
        stack = this._stack = this._stack.__prev;
      }
      return iteratorDone();
    };

    return MapIterator;
  }(Iterator));

  function mapIteratorValue(type, entry) {
    return iteratorValue(type, entry[0], entry[1]);
  }

  function mapIteratorFrame(node, prev) {
    return {
      node: node,
      index: 0,
      __prev: prev,
    };
  }

  function makeMap(size, root, ownerID, hash) {
    var map = Object.create(MapPrototype);
    map.size = size;
    map._root = root;
    map.__ownerID = ownerID;
    map.__hash = hash;
    map.__altered = false;
    return map;
  }

  var EMPTY_MAP;
  function emptyMap() {
    return EMPTY_MAP || (EMPTY_MAP = makeMap(0));
  }

  function updateMap(map, k, v) {
    var newRoot;
    var newSize;
    if (!map._root) {
      if (v === NOT_SET) {
        return map;
      }
      newSize = 1;
      newRoot = new ArrayMapNode(map.__ownerID, [[k, v]]);
    } else {
      var didChangeSize = MakeRef();
      var didAlter = MakeRef();
      newRoot = updateNode(
        map._root,
        map.__ownerID,
        0,
        undefined,
        k,
        v,
        didChangeSize,
        didAlter
      );
      if (!didAlter.value) {
        return map;
      }
      newSize = map.size + (didChangeSize.value ? (v === NOT_SET ? -1 : 1) : 0);
    }
    if (map.__ownerID) {
      map.size = newSize;
      map._root = newRoot;
      map.__hash = undefined;
      map.__altered = true;
      return map;
    }
    return newRoot ? makeMap(newSize, newRoot) : emptyMap();
  }

  function updateNode(
    node,
    ownerID,
    shift,
    keyHash,
    key,
    value,
    didChangeSize,
    didAlter
  ) {
    if (!node) {
      if (value === NOT_SET) {
        return node;
      }
      SetRef(didAlter);
      SetRef(didChangeSize);
      return new ValueNode(ownerID, keyHash, [key, value]);
    }
    return node.update(
      ownerID,
      shift,
      keyHash,
      key,
      value,
      didChangeSize,
      didAlter
    );
  }

  function isLeafNode(node) {
    return (
      node.constructor === ValueNode || node.constructor === HashCollisionNode
    );
  }

  function mergeIntoNode(node, ownerID, shift, keyHash, entry) {
    if (node.keyHash === keyHash) {
      return new HashCollisionNode(ownerID, keyHash, [node.entry, entry]);
    }

    var idx1 = (shift === 0 ? node.keyHash : node.keyHash >>> shift) & MASK;
    var idx2 = (shift === 0 ? keyHash : keyHash >>> shift) & MASK;

    var newNode;
    var nodes =
      idx1 === idx2
        ? [mergeIntoNode(node, ownerID, shift + SHIFT, keyHash, entry)]
        : ((newNode = new ValueNode(ownerID, keyHash, entry)),
          idx1 < idx2 ? [node, newNode] : [newNode, node]);

    return new BitmapIndexedNode(ownerID, (1 << idx1) | (1 << idx2), nodes);
  }

  function createNodes(ownerID, entries, key, value) {
    if (!ownerID) {
      ownerID = new OwnerID();
    }
    var node = new ValueNode(ownerID, hash(key), [key, value]);
    for (var ii = 0; ii < entries.length; ii++) {
      var entry = entries[ii];
      node = node.update(ownerID, 0, undefined, entry[0], entry[1]);
    }
    return node;
  }

  function packNodes(ownerID, nodes, count, excluding) {
    var bitmap = 0;
    var packedII = 0;
    var packedNodes = new Array(count);
    for (var ii = 0, bit = 1, len = nodes.length; ii < len; ii++, bit <<= 1) {
      var node = nodes[ii];
      if (node !== undefined && ii !== excluding) {
        bitmap |= bit;
        packedNodes[packedII++] = node;
      }
    }
    return new BitmapIndexedNode(ownerID, bitmap, packedNodes);
  }

  function expandNodes(ownerID, nodes, bitmap, including, node) {
    var count = 0;
    var expandedNodes = new Array(SIZE);
    for (var ii = 0; bitmap !== 0; ii++, bitmap >>>= 1) {
      expandedNodes[ii] = bitmap & 1 ? nodes[count++] : undefined;
    }
    expandedNodes[including] = node;
    return new HashArrayMapNode(ownerID, count + 1, expandedNodes);
  }

  function popCount(x) {
    x -= (x >> 1) & 0x55555555;
    x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
    x = (x + (x >> 4)) & 0x0f0f0f0f;
    x += x >> 8;
    x += x >> 16;
    return x & 0x7f;
  }

  function setAt(array, idx, val, canEdit) {
    var newArray = canEdit ? array : arrCopy(array);
    newArray[idx] = val;
    return newArray;
  }

  function spliceIn(array, idx, val, canEdit) {
    var newLen = array.length + 1;
    if (canEdit && idx + 1 === newLen) {
      array[idx] = val;
      return array;
    }
    var newArray = new Array(newLen);
    var after = 0;
    for (var ii = 0; ii < newLen; ii++) {
      if (ii === idx) {
        newArray[ii] = val;
        after = -1;
      } else {
        newArray[ii] = array[ii + after];
      }
    }
    return newArray;
  }

  function spliceOut(array, idx, canEdit) {
    var newLen = array.length - 1;
    if (canEdit && idx === newLen) {
      array.pop();
      return array;
    }
    var newArray = new Array(newLen);
    var after = 0;
    for (var ii = 0; ii < newLen; ii++) {
      if (ii === idx) {
        after = 1;
      }
      newArray[ii] = array[ii + after];
    }
    return newArray;
  }

  var MAX_ARRAY_MAP_SIZE = SIZE / 4;
  var MAX_BITMAP_INDEXED_SIZE = SIZE / 2;
  var MIN_HASH_ARRAY_MAP_SIZE = SIZE / 4;

  function coerceKeyPath(keyPath) {
      if (isArrayLike(keyPath) && typeof keyPath !== 'string') {
          return keyPath;
      }
      if (isOrdered(keyPath)) {
          return keyPath.toArray();
      }
      throw new TypeError('Invalid keyPath: expected Ordered Collection or Array: ' + keyPath);
  }

  /**
   * Converts a value to a string, adding quotes if a string was provided.
   */
  function quoteString(value) {
      try {
          return typeof value === 'string' ? JSON.stringify(value) : String(value);
          // eslint-disable-next-line @typescript-eslint/no-unused-vars
      }
      catch (_ignoreError) {
          return JSON.stringify(value);
      }
  }

  /**
   * Returns true if the key is defined in the provided collection.
   *
   * A functional alternative to `collection.has(key)` which will also work with
   * plain Objects and Arrays as an alternative for
   * `collection.hasOwnProperty(key)`.
   */
  function has(collection, key) {
      return isImmutable(collection)
          ? // @ts-expect-error key might be a number or symbol, which is not handled be Record key type
              collection.has(key)
          : // @ts-expect-error key might be anything else than PropertyKey, and will return false in that case but runtime is OK
              isDataStructure(collection) && hasOwnProperty.call(collection, key);
  }

  function get(collection, key, notSetValue) {
      return isImmutable(collection)
          ? collection.get(key, notSetValue)
          : !has(collection, key)
              ? notSetValue
              : // @ts-expect-error weird "get" here,
                  typeof collection.get === 'function'
                      ? // @ts-expect-error weird "get" here,
                          collection.get(key)
                      : // @ts-expect-error key is unknown here,
                          collection[key];
  }

  function remove(collection, key) {
      if (!isDataStructure(collection)) {
          throw new TypeError('Cannot update non-data-structure value: ' + collection);
      }
      if (isImmutable(collection)) {
          // @ts-expect-error weird "remove" here,
          if (!collection.remove) {
              throw new TypeError('Cannot update immutable value without .remove() method: ' + collection);
          }
          // @ts-expect-error weird "remove" here,
          return collection.remove(key);
      }
      // @ts-expect-error assert that key is a string, a number or a symbol here
      if (!hasOwnProperty.call(collection, key)) {
          return collection;
      }
      var collectionCopy = shallowCopy(collection);
      if (Array.isArray(collectionCopy)) {
          // @ts-expect-error assert that key is a number here
          collectionCopy.splice(key, 1);
      }
      else {
          // @ts-expect-error assert that key is a string, a number or a symbol here
          delete collectionCopy[key];
      }
      return collectionCopy;
  }

  function set(collection, key, value) {
      if (typeof key === 'string' && isProtoKey(key)) {
          return collection;
      }
      if (!isDataStructure(collection)) {
          throw new TypeError('Cannot update non-data-structure value: ' + collection);
      }
      if (isImmutable(collection)) {
          // @ts-expect-error weird "set" here,
          if (!collection.set) {
              throw new TypeError('Cannot update immutable value without .set() method: ' + collection);
          }
          // @ts-expect-error weird "set" here,
          return collection.set(key, value);
      }
      // @ts-expect-error mix of key and string here. Probably need a more fine type here
      if (hasOwnProperty.call(collection, key) && value === collection[key]) {
          return collection;
      }
      var collectionCopy = shallowCopy(collection);
      // @ts-expect-error mix of key and string here. Probably need a more fine type here
      collectionCopy[key] = value;
      return collectionCopy;
  }

  function updateIn(collection, keyPath, notSetValue, updater) {
      if (!updater) {
          // handle the fact that `notSetValue` is optional here, in that case `updater` is the updater function
          // @ts-expect-error updater is a function here
          updater = notSetValue;
          notSetValue = undefined;
      }
      var updatedValue = updateInDeeply(isImmutable(collection), 
      // @ts-expect-error type issues with Record and mixed types
      collection, coerceKeyPath(keyPath), 0, notSetValue, updater);
      // @ts-expect-error mixed return type
      return updatedValue === NOT_SET ? notSetValue : updatedValue;
  }
  function updateInDeeply(inImmutable, existing, keyPath, i, notSetValue, updater) {
      var wasNotSet = existing === NOT_SET;
      if (i === keyPath.length) {
          var existingValue = wasNotSet ? notSetValue : existing;
          // @ts-expect-error mixed type with optional value
          var newValue = updater(existingValue);
          // @ts-expect-error mixed type
          return newValue === existingValue ? existing : newValue;
      }
      if (!wasNotSet && !isDataStructure(existing)) {
          throw new TypeError('Cannot update within non-data-structure value in path [' +
              Array.from(keyPath).slice(0, i).map(quoteString) +
              ']: ' +
              existing);
      }
      var key = keyPath[i];
      var nextExisting = wasNotSet ? NOT_SET : get(existing, key, NOT_SET);
      var nextUpdated = updateInDeeply(nextExisting === NOT_SET ? inImmutable : isImmutable(nextExisting), 
      // @ts-expect-error mixed type
      nextExisting, keyPath, i + 1, notSetValue, updater);
      return nextUpdated === nextExisting
          ? existing
          : nextUpdated === NOT_SET
              ? remove(existing, key)
              : set(wasNotSet ? (inImmutable ? emptyMap() : {}) : existing, key, nextUpdated);
  }

  /**
   * Returns a copy of the collection with the value at the key path removed.
   *
   * A functional alternative to `collection.removeIn(keypath)` which will also
   * work with plain Objects and Arrays.
   */
  function removeIn(collection, keyPath) {
      return updateIn(collection, keyPath, function () { return NOT_SET; });
  }

  function deleteIn(keyPath) {
    return removeIn(this, keyPath);
  }

  var IS_LIST_SYMBOL = '@@__IMMUTABLE_LIST__@@';
  /**
   * True if `maybeList` is a List.
   */
  function isList(maybeList) {
      return Boolean(maybeList &&
          // @ts-expect-error: maybeList is typed as `{}`, need to change in 6.0 to `maybeList && typeof maybeList === 'object' && IS_LIST_SYMBOL in maybeList`
          maybeList[IS_LIST_SYMBOL]);
  }

  var List = /*@__PURE__*/(function (IndexedCollection) {
    function List(value) {
      var empty = emptyList();
      if (value === undefined || value === null) {
        // eslint-disable-next-line no-constructor-return
        return empty;
      }
      if (isList(value)) {
        // eslint-disable-next-line no-constructor-return
        return value;
      }
      var iter = IndexedCollection(value);
      var size = iter.size;
      if (size === 0) {
        // eslint-disable-next-line no-constructor-return
        return empty;
      }
      assertNotInfinite(size);
      if (size > 0 && size < SIZE) {
        // eslint-disable-next-line no-constructor-return
        return makeList(0, size, SHIFT, null, new VNode(iter.toArray()));
      }
      // eslint-disable-next-line no-constructor-return
      return empty.withMutations(function (list) {
        list.setSize(size);
        iter.forEach(function (v, i) { return list.set(i, v); });
      });
    }

    if ( IndexedCollection ) List.__proto__ = IndexedCollection;
    List.prototype = Object.create( IndexedCollection && IndexedCollection.prototype );
    List.prototype.constructor = List;

    List.of = function of (/*...values*/) {
      return this(arguments);
    };

    List.prototype.toString = function toString () {
      return this.__toString('List [', ']');
    };

    // @pragma Access

    List.prototype.get = function get (index, notSetValue) {
      index = wrapIndex(this, index);
      if (index >= 0 && index < this.size) {
        index += this._origin;
        var node = listNodeFor(this, index);
        return node && node.array[index & MASK];
      }
      return notSetValue;
    };

    // @pragma Modification

    List.prototype.set = function set (index, value) {
      return updateList(this, index, value);
    };

    List.prototype.remove = function remove (index) {
      return !this.has(index)
        ? this
        : index === 0
          ? this.shift()
          : index === this.size - 1
            ? this.pop()
            : this.splice(index, 1);
    };

    List.prototype.insert = function insert (index, value) {
      return this.splice(index, 0, value);
    };

    List.prototype.clear = function clear () {
      if (this.size === 0) {
        return this;
      }
      if (this.__ownerID) {
        this.size = this._origin = this._capacity = 0;
        this._level = SHIFT;
        this._root = this._tail = this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return emptyList();
    };

    List.prototype.push = function push (/*...values*/) {
      var values = arguments;
      var oldSize = this.size;
      return this.withMutations(function (list) {
        setListBounds(list, 0, oldSize + values.length);
        for (var ii = 0; ii < values.length; ii++) {
          list.set(oldSize + ii, values[ii]);
        }
      });
    };

    List.prototype.pop = function pop () {
      return setListBounds(this, 0, -1);
    };

    List.prototype.unshift = function unshift (/*...values*/) {
      var values = arguments;
      return this.withMutations(function (list) {
        setListBounds(list, -values.length);
        for (var ii = 0; ii < values.length; ii++) {
          list.set(ii, values[ii]);
        }
      });
    };

    List.prototype.shift = function shift () {
      return setListBounds(this, 1);
    };

    List.prototype.shuffle = function shuffle (random) {
      if ( random === void 0 ) random = Math.random;

      return this.withMutations(function (mutable) {
        // implementation of the Fisher-Yates shuffle: https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
        var current = mutable.size;
        var destination;
        var tmp;

        while (current) {
          destination = Math.floor(random() * current--);

          tmp = mutable.get(destination);
          mutable.set(destination, mutable.get(current));
          mutable.set(current, tmp);
        }
      });
    };

    // @pragma Composition

    List.prototype.concat = function concat (/*...collections*/) {
      var arguments$1 = arguments;

      var seqs = [];
      for (var i = 0; i < arguments.length; i++) {
        var argument = arguments$1[i];
        var seq = IndexedCollection(
          typeof argument !== 'string' && hasIterator(argument)
            ? argument
            : [argument]
        );
        if (seq.size !== 0) {
          seqs.push(seq);
        }
      }
      if (seqs.length === 0) {
        return this;
      }
      if (this.size === 0 && !this.__ownerID && seqs.length === 1) {
        return this.constructor(seqs[0]);
      }
      return this.withMutations(function (list) {
        seqs.forEach(function (seq) { return seq.forEach(function (value) { return list.push(value); }); });
      });
    };

    List.prototype.setSize = function setSize (size) {
      return setListBounds(this, 0, size);
    };

    List.prototype.map = function map (mapper, context) {
      var this$1$1 = this;

      return this.withMutations(function (list) {
        for (var i = 0; i < this$1$1.size; i++) {
          list.set(i, mapper.call(context, list.get(i), i, this$1$1));
        }
      });
    };

    // @pragma Iteration

    List.prototype.slice = function slice (begin, end) {
      var size = this.size;
      if (wholeSlice(begin, end, size)) {
        return this;
      }
      return setListBounds(
        this,
        resolveBegin(begin, size),
        resolveEnd(end, size)
      );
    };

    List.prototype.__iterator = function __iterator (type, reverse) {
      var index = reverse ? this.size : 0;
      var values = iterateList(this, reverse);
      return new Iterator(function () {
        var value = values();
        return value === DONE
          ? iteratorDone()
          : iteratorValue(type, reverse ? --index : index++, value);
      });
    };

    List.prototype.__iterate = function __iterate (fn, reverse) {
      var index = reverse ? this.size : 0;
      var values = iterateList(this, reverse);
      var value;
      while ((value = values()) !== DONE) {
        if (fn(value, reverse ? --index : index++, this) === false) {
          break;
        }
      }
      return index;
    };

    List.prototype.__ensureOwner = function __ensureOwner (ownerID) {
      if (ownerID === this.__ownerID) {
        return this;
      }
      if (!ownerID) {
        if (this.size === 0) {
          return emptyList();
        }
        this.__ownerID = ownerID;
        this.__altered = false;
        return this;
      }
      return makeList(
        this._origin,
        this._capacity,
        this._level,
        this._root,
        this._tail,
        ownerID,
        this.__hash
      );
    };

    return List;
  }(IndexedCollection));

  List.isList = isList;

  var ListPrototype = List.prototype;
  ListPrototype[IS_LIST_SYMBOL] = true;
  ListPrototype[DELETE] = ListPrototype.remove;
  ListPrototype.merge = ListPrototype.concat;
  ListPrototype.setIn = setIn;
  ListPrototype.deleteIn = ListPrototype.removeIn = deleteIn;
  ListPrototype.update = update;
  ListPrototype.updateIn = updateIn$1;
  ListPrototype.mergeIn = mergeIn;
  ListPrototype.mergeDeepIn = mergeDeepIn;
  ListPrototype.withMutations = withMutations;
  ListPrototype.wasAltered = wasAltered;
  ListPrototype.asImmutable = asImmutable;
  ListPrototype['@@transducer/init'] = ListPrototype.asMutable = asMutable;
  ListPrototype['@@transducer/step'] = function (result, arr) {
    return result.push(arr);
  };
  ListPrototype['@@transducer/result'] = function (obj) {
    return obj.asImmutable();
  };

  var VNode = function VNode(array, ownerID) {
    this.array = array;
    this.ownerID = ownerID;
  };

  // TODO: seems like these methods are very similar

  VNode.prototype.removeBefore = function removeBefore (ownerID, level, index) {
    if (
      (index & ((1 << (level + SHIFT)) - 1)) === 0 ||
      this.array.length === 0
    ) {
      return this;
    }
    var originIndex = (index >>> level) & MASK;
    if (originIndex >= this.array.length) {
      return new VNode([], ownerID);
    }
    var removingFirst = originIndex === 0;
    var newChild;
    if (level > 0) {
      var oldChild = this.array[originIndex];
      newChild =
        oldChild && oldChild.removeBefore(ownerID, level - SHIFT, index);
      if (newChild === oldChild && removingFirst) {
        return this;
      }
    }
    if (removingFirst && !newChild) {
      return this;
    }
    var editable = editableVNode(this, ownerID);
    if (!removingFirst) {
      for (var ii = 0; ii < originIndex; ii++) {
        editable.array[ii] = undefined;
      }
    }
    if (newChild) {
      editable.array[originIndex] = newChild;
    }
    return editable;
  };

  VNode.prototype.removeAfter = function removeAfter (ownerID, level, index) {
    if (
      index === (level ? 1 << (level + SHIFT) : SIZE) ||
      this.array.length === 0
    ) {
      return this;
    }
    var sizeIndex = ((index - 1) >>> level) & MASK;
    if (sizeIndex >= this.array.length) {
      return this;
    }

    var newChild;
    if (level > 0) {
      var oldChild = this.array[sizeIndex];
      newChild =
        oldChild && oldChild.removeAfter(ownerID, level - SHIFT, index);
      if (newChild === oldChild && sizeIndex === this.array.length - 1) {
        return this;
      }
    }

    var editable = editableVNode(this, ownerID);
    editable.array.splice(sizeIndex + 1);
    if (newChild) {
      editable.array[sizeIndex] = newChild;
    }
    return editable;
  };

  var DONE = {};

  function iterateList(list, reverse) {
    var left = list._origin;
    var right = list._capacity;
    var tailPos = getTailOffset(right);
    var tail = list._tail;

    return iterateNodeOrLeaf(list._root, list._level, 0);

    function iterateNodeOrLeaf(node, level, offset) {
      return level === 0
        ? iterateLeaf(node, offset)
        : iterateNode(node, level, offset);
    }

    function iterateLeaf(node, offset) {
      var array = offset === tailPos ? tail && tail.array : node && node.array;
      var from = offset > left ? 0 : left - offset;
      var to = right - offset;
      if (to > SIZE) {
        to = SIZE;
      }
      return function () {
        if (from === to) {
          return DONE;
        }
        var idx = reverse ? --to : from++;
        return array && array[idx];
      };
    }

    function iterateNode(node, level, offset) {
      var values;
      var array = node && node.array;
      var from = offset > left ? 0 : (left - offset) >> level;
      var to = ((right - offset) >> level) + 1;
      if (to > SIZE) {
        to = SIZE;
      }
      return function () {
        while (true) {
          if (values) {
            var value = values();
            if (value !== DONE) {
              return value;
            }
            values = null;
          }
          if (from === to) {
            return DONE;
          }
          var idx = reverse ? --to : from++;
          values = iterateNodeOrLeaf(
            array && array[idx],
            level - SHIFT,
            offset + (idx << level)
          );
        }
      };
    }
  }

  function makeList(origin, capacity, level, root, tail, ownerID, hash) {
    var list = Object.create(ListPrototype);
    list.size = capacity - origin;
    list._origin = origin;
    list._capacity = capacity;
    list._level = level;
    list._root = root;
    list._tail = tail;
    list.__ownerID = ownerID;
    list.__hash = hash;
    list.__altered = false;
    return list;
  }

  function emptyList() {
    return makeList(0, 0, SHIFT);
  }

  function updateList(list, index, value) {
    index = wrapIndex(list, index);

    if (index !== index) {
      return list;
    }

    if (index >= list.size || index < 0) {
      return list.withMutations(function (list) {
        // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
        index < 0
          ? setListBounds(list, index).set(0, value)
          : setListBounds(list, 0, index + 1).set(index, value);
      });
    }

    index += list._origin;

    var newTail = list._tail;
    var newRoot = list._root;
    var didAlter = MakeRef();
    if (index >= getTailOffset(list._capacity)) {
      newTail = updateVNode(newTail, list.__ownerID, 0, index, value, didAlter);
    } else {
      newRoot = updateVNode(
        newRoot,
        list.__ownerID,
        list._level,
        index,
        value,
        didAlter
      );
    }

    if (!didAlter.value) {
      return list;
    }

    if (list.__ownerID) {
      list._root = newRoot;
      list._tail = newTail;
      list.__hash = undefined;
      list.__altered = true;
      return list;
    }
    return makeList(list._origin, list._capacity, list._level, newRoot, newTail);
  }

  function updateVNode(node, ownerID, level, index, value, didAlter) {
    var idx = (index >>> level) & MASK;
    var nodeHas = node && idx < node.array.length;
    if (!nodeHas && value === undefined) {
      return node;
    }

    var newNode;

    if (level > 0) {
      var lowerNode = node && node.array[idx];
      var newLowerNode = updateVNode(
        lowerNode,
        ownerID,
        level - SHIFT,
        index,
        value,
        didAlter
      );
      if (newLowerNode === lowerNode) {
        return node;
      }
      newNode = editableVNode(node, ownerID);
      newNode.array[idx] = newLowerNode;
      return newNode;
    }

    if (nodeHas && node.array[idx] === value) {
      return node;
    }

    if (didAlter) {
      SetRef(didAlter);
    }

    newNode = editableVNode(node, ownerID);
    if (value === undefined && idx === newNode.array.length - 1) {
      newNode.array.pop();
    } else {
      newNode.array[idx] = value;
    }
    return newNode;
  }

  function editableVNode(node, ownerID) {
    if (ownerID && node && ownerID === node.ownerID) {
      return node;
    }
    return new VNode(node ? node.array.slice() : [], ownerID);
  }

  function listNodeFor(list, rawIndex) {
    if (rawIndex >= getTailOffset(list._capacity)) {
      return list._tail;
    }
    if (rawIndex < 1 << (list._level + SHIFT)) {
      var node = list._root;
      var level = list._level;
      while (node && level > 0) {
        node = node.array[(rawIndex >>> level) & MASK];
        level -= SHIFT;
      }
      return node;
    }
  }

  function setListBounds(list, begin, end) {
    // Sanitize begin & end using this shorthand for ToInt32(argument)
    // http://www.ecma-international.org/ecma-262/6.0/#sec-toint32
    if (begin !== undefined) {
      begin |= 0;
    }
    if (end !== undefined) {
      end |= 0;
    }
    var owner = list.__ownerID || new OwnerID();
    var oldOrigin = list._origin;
    var oldCapacity = list._capacity;
    var newOrigin = oldOrigin + begin;
    var newCapacity =
      end === undefined
        ? oldCapacity
        : end < 0
          ? oldCapacity + end
          : oldOrigin + end;
    if (newOrigin === oldOrigin && newCapacity === oldCapacity) {
      return list;
    }

    // If it's going to end after it starts, it's empty.
    if (newOrigin >= newCapacity) {
      return list.clear();
    }

    var newLevel = list._level;
    var newRoot = list._root;

    // New origin might need creating a higher root.
    var offsetShift = 0;
    while (newOrigin + offsetShift < 0) {
      newRoot = new VNode(
        newRoot && newRoot.array.length ? [undefined, newRoot] : [],
        owner
      );
      newLevel += SHIFT;
      offsetShift += 1 << newLevel;
    }
    if (offsetShift) {
      newOrigin += offsetShift;
      oldOrigin += offsetShift;
      newCapacity += offsetShift;
      oldCapacity += offsetShift;
    }

    var oldTailOffset = getTailOffset(oldCapacity);
    var newTailOffset = getTailOffset(newCapacity);

    // New size might need creating a higher root.
    while (newTailOffset >= 1 << (newLevel + SHIFT)) {
      newRoot = new VNode(
        newRoot && newRoot.array.length ? [newRoot] : [],
        owner
      );
      newLevel += SHIFT;
    }

    // Locate or create the new tail.
    var oldTail = list._tail;
    var newTail =
      newTailOffset < oldTailOffset
        ? listNodeFor(list, newCapacity - 1)
        : newTailOffset > oldTailOffset
          ? new VNode([], owner)
          : oldTail;

    // Merge Tail into tree.
    if (
      oldTail &&
      newTailOffset > oldTailOffset &&
      newOrigin < oldCapacity &&
      oldTail.array.length
    ) {
      newRoot = editableVNode(newRoot, owner);
      var node = newRoot;
      for (var level = newLevel; level > SHIFT; level -= SHIFT) {
        var idx = (oldTailOffset >>> level) & MASK;
        node = node.array[idx] = editableVNode(node.array[idx], owner);
      }
      node.array[(oldTailOffset >>> SHIFT) & MASK] = oldTail;
    }

    // If the size has been reduced, there's a chance the tail needs to be trimmed.
    if (newCapacity < oldCapacity) {
      newTail = newTail && newTail.removeAfter(owner, 0, newCapacity);
    }

    // If the new origin is within the tail, then we do not need a root.
    if (newOrigin >= newTailOffset) {
      newOrigin -= newTailOffset;
      newCapacity -= newTailOffset;
      newLevel = SHIFT;
      newRoot = null;
      newTail = newTail && newTail.removeBefore(owner, 0, newOrigin);

      // Otherwise, if the root has been trimmed, garbage collect.
    } else if (newOrigin > oldOrigin || newTailOffset < oldTailOffset) {
      offsetShift = 0;

      // Identify the new top root node of the subtree of the old root.
      while (newRoot) {
        var beginIndex = (newOrigin >>> newLevel) & MASK;
        if ((beginIndex !== newTailOffset >>> newLevel) & MASK) {
          break;
        }
        if (beginIndex) {
          offsetShift += (1 << newLevel) * beginIndex;
        }
        newLevel -= SHIFT;
        newRoot = newRoot.array[beginIndex];
      }

      // Trim the new sides of the new root.
      if (newRoot && newOrigin > oldOrigin) {
        newRoot = newRoot.removeBefore(owner, newLevel, newOrigin - offsetShift);
      }
      if (newRoot && newTailOffset < oldTailOffset) {
        newRoot = newRoot.removeAfter(
          owner,
          newLevel,
          newTailOffset - offsetShift
        );
      }
      if (offsetShift) {
        newOrigin -= offsetShift;
        newCapacity -= offsetShift;
      }
    }

    if (list.__ownerID) {
      list.size = newCapacity - newOrigin;
      list._origin = newOrigin;
      list._capacity = newCapacity;
      list._level = newLevel;
      list._root = newRoot;
      list._tail = newTail;
      list.__hash = undefined;
      list.__altered = true;
      return list;
    }
    return makeList(newOrigin, newCapacity, newLevel, newRoot, newTail);
  }

  function getTailOffset(size) {
    return size < SIZE ? 0 : ((size - 1) >>> SHIFT) << SHIFT;
  }

  /**
   * True if `maybeOrderedMap` is an OrderedMap.
   */
  function isOrderedMap(maybeOrderedMap) {
      return isMap(maybeOrderedMap) && isOrdered(maybeOrderedMap);
  }

  var OrderedMap = /*@__PURE__*/(function (Map) {
    function OrderedMap(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptyOrderedMap()
        : isOrderedMap(value)
          ? value
          : emptyOrderedMap().withMutations(function (map) {
              var iter = KeyedCollection(value);
              assertNotInfinite(iter.size);
              iter.forEach(function (v, k) { return map.set(k, v); });
            });
    }

    if ( Map ) OrderedMap.__proto__ = Map;
    OrderedMap.prototype = Object.create( Map && Map.prototype );
    OrderedMap.prototype.constructor = OrderedMap;

    OrderedMap.of = function of (/*...values*/) {
      return this(arguments);
    };

    OrderedMap.prototype.toString = function toString () {
      return this.__toString('OrderedMap {', '}');
    };

    // @pragma Access

    OrderedMap.prototype.get = function get (k, notSetValue) {
      var index = this._map.get(k);
      return index !== undefined ? this._list.get(index)[1] : notSetValue;
    };

    // @pragma Modification

    OrderedMap.prototype.clear = function clear () {
      if (this.size === 0) {
        return this;
      }
      if (this.__ownerID) {
        this.size = 0;
        this._map.clear();
        this._list.clear();
        this.__altered = true;
        return this;
      }
      return emptyOrderedMap();
    };

    OrderedMap.prototype.set = function set (k, v) {
      return updateOrderedMap(this, k, v);
    };

    OrderedMap.prototype.remove = function remove (k) {
      return updateOrderedMap(this, k, NOT_SET);
    };

    OrderedMap.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      return this._list.__iterate(
        function (entry) { return entry && fn(entry[1], entry[0], this$1$1); },
        reverse
      );
    };

    OrderedMap.prototype.__iterator = function __iterator (type, reverse) {
      return this._list.fromEntrySeq().__iterator(type, reverse);
    };

    OrderedMap.prototype.__ensureOwner = function __ensureOwner (ownerID) {
      if (ownerID === this.__ownerID) {
        return this;
      }
      var newMap = this._map.__ensureOwner(ownerID);
      var newList = this._list.__ensureOwner(ownerID);
      if (!ownerID) {
        if (this.size === 0) {
          return emptyOrderedMap();
        }
        this.__ownerID = ownerID;
        this.__altered = false;
        this._map = newMap;
        this._list = newList;
        return this;
      }
      return makeOrderedMap(newMap, newList, ownerID, this.__hash);
    };

    return OrderedMap;
  }(Map$1));

  OrderedMap.isOrderedMap = isOrderedMap;

  OrderedMap.prototype[IS_ORDERED_SYMBOL] = true;
  OrderedMap.prototype[DELETE] = OrderedMap.prototype.remove;

  function makeOrderedMap(map, list, ownerID, hash) {
    var omap = Object.create(OrderedMap.prototype);
    omap.size = map ? map.size : 0;
    omap._map = map;
    omap._list = list;
    omap.__ownerID = ownerID;
    omap.__hash = hash;
    omap.__altered = false;
    return omap;
  }

  var EMPTY_ORDERED_MAP;
  function emptyOrderedMap() {
    return (
      EMPTY_ORDERED_MAP ||
      (EMPTY_ORDERED_MAP = makeOrderedMap(emptyMap(), emptyList()))
    );
  }

  function updateOrderedMap(omap, k, v) {
    var map = omap._map;
    var list = omap._list;
    var i = map.get(k);
    var has = i !== undefined;
    var newMap;
    var newList;
    if (v === NOT_SET) {
      // removed
      if (!has) {
        return omap;
      }
      if (list.size >= SIZE && list.size >= map.size * 2) {
        newList = list.filter(function (entry, idx) { return entry !== undefined && i !== idx; });
        newMap = newList
          .toKeyedSeq()
          .map(function (entry) { return entry[0]; })
          .flip()
          .toMap();
        if (omap.__ownerID) {
          newMap.__ownerID = newList.__ownerID = omap.__ownerID;
        }
      } else {
        newMap = map.remove(k);
        newList = i === list.size - 1 ? list.pop() : list.set(i, undefined);
      }
    } else if (has) {
      if (v === list.get(i)[1]) {
        return omap;
      }
      newMap = map;
      newList = list.set(i, [k, v]);
    } else {
      newMap = map.set(k, list.size);
      newList = list.set(list.size, [k, v]);
    }
    if (omap.__ownerID) {
      omap.size = newMap.size;
      omap._map = newMap;
      omap._list = newList;
      omap.__hash = undefined;
      omap.__altered = true;
      return omap;
    }
    return makeOrderedMap(newMap, newList);
  }

  var IS_STACK_SYMBOL = '@@__IMMUTABLE_STACK__@@';
  /**
   * True if `maybeStack` is a Stack.
   */
  function isStack(maybeStack) {
      return Boolean(maybeStack &&
          // @ts-expect-error: maybeStack is typed as `{}`, need to change in 6.0 to `maybeStack && typeof maybeStack === 'object' && MAYBE_STACK_SYMBOL in maybeStack`
          maybeStack[IS_STACK_SYMBOL]);
  }

  var Stack = /*@__PURE__*/(function (IndexedCollection) {
    function Stack(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptyStack()
        : isStack(value)
          ? value
          : emptyStack().pushAll(value);
    }

    if ( IndexedCollection ) Stack.__proto__ = IndexedCollection;
    Stack.prototype = Object.create( IndexedCollection && IndexedCollection.prototype );
    Stack.prototype.constructor = Stack;

    Stack.of = function of (/*...values*/) {
      return this(arguments);
    };

    Stack.prototype.toString = function toString () {
      return this.__toString('Stack [', ']');
    };

    // @pragma Access

    Stack.prototype.get = function get (index, notSetValue) {
      var head = this._head;
      index = wrapIndex(this, index);
      while (head && index--) {
        head = head.next;
      }
      return head ? head.value : notSetValue;
    };

    Stack.prototype.peek = function peek () {
      return this._head && this._head.value;
    };

    // @pragma Modification

    Stack.prototype.push = function push (/*...values*/) {
      var arguments$1 = arguments;

      if (arguments.length === 0) {
        return this;
      }
      var newSize = this.size + arguments.length;
      var head = this._head;
      for (var ii = arguments.length - 1; ii >= 0; ii--) {
        head = {
          value: arguments$1[ii],
          next: head,
        };
      }
      if (this.__ownerID) {
        this.size = newSize;
        this._head = head;
        this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return makeStack(newSize, head);
    };

    Stack.prototype.pushAll = function pushAll (iter) {
      iter = IndexedCollection(iter);
      if (iter.size === 0) {
        return this;
      }
      if (this.size === 0 && isStack(iter)) {
        return iter;
      }
      assertNotInfinite(iter.size);
      var newSize = this.size;
      var head = this._head;
      iter.__iterate(function (value) {
        newSize++;
        head = {
          value: value,
          next: head,
        };
      }, /* reverse */ true);
      if (this.__ownerID) {
        this.size = newSize;
        this._head = head;
        this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return makeStack(newSize, head);
    };

    Stack.prototype.pop = function pop () {
      return this.slice(1);
    };

    Stack.prototype.clear = function clear () {
      if (this.size === 0) {
        return this;
      }
      if (this.__ownerID) {
        this.size = 0;
        this._head = undefined;
        this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return emptyStack();
    };

    Stack.prototype.slice = function slice (begin, end) {
      if (wholeSlice(begin, end, this.size)) {
        return this;
      }
      var resolvedBegin = resolveBegin(begin, this.size);
      var resolvedEnd = resolveEnd(end, this.size);
      if (resolvedEnd !== this.size) {
        // super.slice(begin, end);
        return IndexedCollection.prototype.slice.call(this, begin, end);
      }
      var newSize = this.size - resolvedBegin;
      var head = this._head;
      while (resolvedBegin--) {
        head = head.next;
      }
      if (this.__ownerID) {
        this.size = newSize;
        this._head = head;
        this.__hash = undefined;
        this.__altered = true;
        return this;
      }
      return makeStack(newSize, head);
    };

    // @pragma Mutability

    Stack.prototype.__ensureOwner = function __ensureOwner (ownerID) {
      if (ownerID === this.__ownerID) {
        return this;
      }
      if (!ownerID) {
        if (this.size === 0) {
          return emptyStack();
        }
        this.__ownerID = ownerID;
        this.__altered = false;
        return this;
      }
      return makeStack(this.size, this._head, ownerID, this.__hash);
    };

    // @pragma Iteration

    Stack.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      if (reverse) {
        return new ArraySeq(this.toArray()).__iterate(
          function (v, k) { return fn(v, k, this$1$1); },
          reverse
        );
      }
      var iterations = 0;
      var node = this._head;
      while (node) {
        if (fn(node.value, iterations++, this) === false) {
          break;
        }
        node = node.next;
      }
      return iterations;
    };

    Stack.prototype.__iterator = function __iterator (type, reverse) {
      if (reverse) {
        return new ArraySeq(this.toArray()).__iterator(type, reverse);
      }
      var iterations = 0;
      var node = this._head;
      return new Iterator(function () {
        if (node) {
          var value = node.value;
          node = node.next;
          return iteratorValue(type, iterations++, value);
        }
        return iteratorDone();
      });
    };

    return Stack;
  }(IndexedCollection));

  Stack.isStack = isStack;

  var StackPrototype = Stack.prototype;
  StackPrototype[IS_STACK_SYMBOL] = true;
  StackPrototype.shift = StackPrototype.pop;
  StackPrototype.unshift = StackPrototype.push;
  StackPrototype.unshiftAll = StackPrototype.pushAll;
  StackPrototype.withMutations = withMutations;
  StackPrototype.wasAltered = wasAltered;
  StackPrototype.asImmutable = asImmutable;
  StackPrototype['@@transducer/init'] = StackPrototype.asMutable = asMutable;
  StackPrototype['@@transducer/step'] = function (result, arr) {
    return result.unshift(arr);
  };
  StackPrototype['@@transducer/result'] = function (obj) {
    return obj.asImmutable();
  };

  function makeStack(size, head, ownerID, hash) {
    var map = Object.create(StackPrototype);
    map.size = size;
    map._head = head;
    map.__ownerID = ownerID;
    map.__hash = hash;
    map.__altered = false;
    return map;
  }

  var EMPTY_STACK;
  function emptyStack() {
    return EMPTY_STACK || (EMPTY_STACK = makeStack(0));
  }

  function reduce(collection, reducer, reduction, context, useFirst, reverse) {
      // @ts-expect-error Migrate to CollectionImpl in v6
      assertNotInfinite(collection.size);
      // @ts-expect-error Migrate to CollectionImpl in v6
      collection.__iterate(function (v, k, c) {
          if (useFirst) {
              useFirst = false;
              reduction = v;
          }
          else {
              reduction = reducer.call(context, reduction, v, k, c);
          }
      }, reverse);
      return reduction;
  }
  function keyMapper(v, k) {
      return k;
  }
  function entryMapper(v, k) {
      return [k, v];
  }
  function not(predicate) {
      return function () {
          var args = [], len = arguments.length;
          while ( len-- ) args[ len ] = arguments[ len ];

          return !predicate.apply(this, args);
      };
  }
  function neg(predicate) {
      return function () {
          var args = [], len = arguments.length;
          while ( len-- ) args[ len ] = arguments[ len ];

          return -predicate.apply(this, args);
      };
  }
  function defaultNegComparator(a, b) {
      return a < b ? 1 : a > b ? -1 : 0;
  }

  function deepEqual(a, b) {
      if (a === b) {
          return true;
      }
      if (!isCollection(b) ||
          // @ts-expect-error size should exists on Collection
          (a.size !== undefined && b.size !== undefined && a.size !== b.size) ||
          // @ts-expect-error __hash exists on Collection
          (a.__hash !== undefined &&
              // @ts-expect-error __hash exists on Collection
              b.__hash !== undefined &&
              // @ts-expect-error __hash exists on Collection
              a.__hash !== b.__hash) ||
          isKeyed(a) !== isKeyed(b) ||
          isIndexed(a) !== isIndexed(b) ||
          // @ts-expect-error Range extends Collection, which implements [Symbol.iterator], so it is valid
          isOrdered(a) !== isOrdered(b)) {
          return false;
      }
      // @ts-expect-error size should exists on Collection
      if (a.size === 0 && b.size === 0) {
          return true;
      }
      var notAssociative = !isAssociative(a);
      // @ts-expect-error Range extends Collection, which implements [Symbol.iterator], so it is valid
      if (isOrdered(a)) {
          var entries = a.entries();
          // @ts-expect-error need to cast as boolean
          return (b.every(function (v, k) {
              var entry = entries.next().value;
              return entry && is(entry[1], v) && (notAssociative || is(entry[0], k));
          }) && entries.next().done);
      }
      var flipped = false;
      if (a.size === undefined) {
          // @ts-expect-error size should exists on Collection
          if (b.size === undefined) {
              if (typeof a.cacheResult === 'function') {
                  a.cacheResult();
              }
          }
          else {
              flipped = true;
              var _ = a;
              a = b;
              b = _;
          }
      }
      var allEqual = true;
      var bSize = 
      // @ts-expect-error b is Range | Repeat | Collection<unknown, unknown> as it may have been flipped, and __iterate is valid
      b.__iterate(function (v, k) {
          if (notAssociative
              ? // @ts-expect-error has exists on Collection
                  !a.has(v)
              : flipped
                  ? // @ts-expect-error type of `get` does not "catch" the version with `notSetValue`
                      !is(v, a.get(k, NOT_SET))
                  : // @ts-expect-error type of `get` does not "catch" the version with `notSetValue`
                      !is(a.get(k, NOT_SET), v)) {
              allEqual = false;
              return false;
          }
      });
      return (allEqual &&
          // @ts-expect-error size should exists on Collection
          a.size === bSize);
  }

  /**
   * Returns a lazy seq of nums from start (inclusive) to end
   * (exclusive), by step, where start defaults to 0, step to 1, and end to
   * infinity. When start is equal to end, returns empty list.
   */
  var Range = /*@__PURE__*/(function (IndexedSeq) {
    function Range(start, end, step) {
      if ( step === void 0 ) step = 1;

      if (!(this instanceof Range)) {
        // eslint-disable-next-line no-constructor-return
        return new Range(start, end, step);
      }
      invariant(step !== 0, 'Cannot step a Range by 0');
      invariant(
        start !== undefined,
        'You must define a start value when using Range'
      );
      invariant(
        end !== undefined,
        'You must define an end value when using Range'
      );

      step = Math.abs(step);
      if (end < start) {
        step = -step;
      }
      this._start = start;
      this._end = end;
      this._step = step;
      this.size = Math.max(0, Math.ceil((end - start) / step - 1) + 1);
      if (this.size === 0) {
        if (EMPTY_RANGE) {
          // eslint-disable-next-line no-constructor-return
          return EMPTY_RANGE;
        }
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        EMPTY_RANGE = this;
      }
    }

    if ( IndexedSeq ) Range.__proto__ = IndexedSeq;
    Range.prototype = Object.create( IndexedSeq && IndexedSeq.prototype );
    Range.prototype.constructor = Range;

    Range.prototype.toString = function toString () {
      return this.size === 0
        ? 'Range []'
        : ("Range [ " + (this._start) + "..." + (this._end) + (this._step !== 1 ? ' by ' + this._step : '') + " ]");
    };

    Range.prototype.get = function get (index, notSetValue) {
      return this.has(index)
        ? this._start + wrapIndex(this, index) * this._step
        : notSetValue;
    };

    Range.prototype.includes = function includes (searchValue) {
      var possibleIndex = (searchValue - this._start) / this._step;
      return (
        possibleIndex >= 0 &&
        possibleIndex < this.size &&
        possibleIndex === Math.floor(possibleIndex)
      );
    };

    Range.prototype.slice = function slice (begin, end) {
      if (wholeSlice(begin, end, this.size)) {
        return this;
      }
      begin = resolveBegin(begin, this.size);
      end = resolveEnd(end, this.size);
      if (end <= begin) {
        return new Range(0, 0);
      }
      return new Range(
        this.get(begin, this._end),
        this.get(end, this._end),
        this._step
      );
    };

    Range.prototype.indexOf = function indexOf (searchValue) {
      var offsetValue = searchValue - this._start;
      if (offsetValue % this._step === 0) {
        var index = offsetValue / this._step;
        if (index >= 0 && index < this.size) {
          return index;
        }
      }
      return -1;
    };

    Range.prototype.lastIndexOf = function lastIndexOf (searchValue) {
      return this.indexOf(searchValue);
    };

    Range.prototype.__iterate = function __iterate (fn, reverse) {
      var size = this.size;
      var step = this._step;
      var value = reverse ? this._start + (size - 1) * step : this._start;
      var i = 0;
      while (i !== size) {
        if (fn(value, reverse ? size - ++i : i++, this) === false) {
          break;
        }
        value += reverse ? -step : step;
      }
      return i;
    };

    Range.prototype.__iterator = function __iterator (type, reverse) {
      var size = this.size;
      var step = this._step;
      var value = reverse ? this._start + (size - 1) * step : this._start;
      var i = 0;
      return new Iterator(function () {
        if (i === size) {
          return iteratorDone();
        }
        var v = value;
        value += reverse ? -step : step;
        return iteratorValue(type, reverse ? size - ++i : i++, v);
      });
    };

    Range.prototype.equals = function equals (other) {
      return other instanceof Range
        ? this._start === other._start &&
            this._end === other._end &&
            this._step === other._step
        : deepEqual(this, other);
    };

    return Range;
  }(IndexedSeq));

  var EMPTY_RANGE;

  var IS_SET_SYMBOL = '@@__IMMUTABLE_SET__@@';
  /**
   * True if `maybeSet` is a Set.
   *
   * Also true for OrderedSets.
   */
  function isSet(maybeSet) {
      return Boolean(maybeSet &&
          // @ts-expect-error: maybeSet is typed as `{}`,  need to change in 6.0 to `maybeSeq && typeof maybeSet === 'object' && MAYBE_SET_SYMBOL in maybeSet`
          maybeSet[IS_SET_SYMBOL]);
  }

  var Set = /*@__PURE__*/(function (SetCollection) {
    function Set(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptySet()
        : isSet(value) && !isOrdered(value)
          ? value
          : emptySet().withMutations(function (set) {
              var iter = SetCollection(value);
              assertNotInfinite(iter.size);
              iter.forEach(function (v) { return set.add(v); });
            });
    }

    if ( SetCollection ) Set.__proto__ = SetCollection;
    Set.prototype = Object.create( SetCollection && SetCollection.prototype );
    Set.prototype.constructor = Set;

    Set.of = function of (/*...values*/) {
      return this(arguments);
    };

    Set.fromKeys = function fromKeys (value) {
      return this(KeyedCollection(value).keySeq());
    };

    Set.intersect = function intersect (sets) {
      sets = Collection(sets).toArray();
      return sets.length
        ? SetPrototype.intersect.apply(Set(sets.pop()), sets)
        : emptySet();
    };

    Set.union = function union (sets) {
      sets = Collection(sets).toArray();
      return sets.length
        ? SetPrototype.union.apply(Set(sets.pop()), sets)
        : emptySet();
    };

    Set.prototype.toString = function toString () {
      return this.__toString('Set {', '}');
    };

    // @pragma Access

    Set.prototype.has = function has (value) {
      return this._map.has(value);
    };

    // @pragma Modification

    Set.prototype.add = function add (value) {
      return updateSet(this, this._map.set(value, value));
    };

    Set.prototype.remove = function remove (value) {
      return updateSet(this, this._map.remove(value));
    };

    Set.prototype.clear = function clear () {
      return updateSet(this, this._map.clear());
    };

    // @pragma Composition

    Set.prototype.map = function map (mapper, context) {
      var this$1$1 = this;

      // keep track if the set is altered by the map function
      var didChanges = false;

      var newMap = updateSet(
        this,
        this._map.mapEntries(function (ref) {
          var v = ref[1];

          var mapped = mapper.call(context, v, v, this$1$1);

          if (mapped !== v) {
            didChanges = true;
          }

          return [mapped, mapped];
        }, context)
      );

      return didChanges ? newMap : this;
    };

    Set.prototype.union = function union () {
      var iters = [], len = arguments.length;
      while ( len-- ) iters[ len ] = arguments[ len ];

      iters = iters.filter(function (x) { return x.size !== 0; });
      if (iters.length === 0) {
        return this;
      }
      if (this.size === 0 && !this.__ownerID && iters.length === 1) {
        return this.constructor(iters[0]);
      }
      return this.withMutations(function (set) {
        for (var ii = 0; ii < iters.length; ii++) {
          if (typeof iters[ii] === 'string') {
            set.add(iters[ii]);
          } else {
            SetCollection(iters[ii]).forEach(function (value) { return set.add(value); });
          }
        }
      });
    };

    Set.prototype.intersect = function intersect () {
      var iters = [], len = arguments.length;
      while ( len-- ) iters[ len ] = arguments[ len ];

      if (iters.length === 0) {
        return this;
      }
      iters = iters.map(function (iter) { return SetCollection(iter); });
      var toRemove = [];
      this.forEach(function (value) {
        if (!iters.every(function (iter) { return iter.includes(value); })) {
          toRemove.push(value);
        }
      });
      return this.withMutations(function (set) {
        toRemove.forEach(function (value) {
          set.remove(value);
        });
      });
    };

    Set.prototype.subtract = function subtract () {
      var iters = [], len = arguments.length;
      while ( len-- ) iters[ len ] = arguments[ len ];

      if (iters.length === 0) {
        return this;
      }
      iters = iters.map(function (iter) { return SetCollection(iter); });
      var toRemove = [];
      this.forEach(function (value) {
        if (iters.some(function (iter) { return iter.includes(value); })) {
          toRemove.push(value);
        }
      });
      return this.withMutations(function (set) {
        toRemove.forEach(function (value) {
          set.remove(value);
        });
      });
    };

    Set.prototype.sort = function sort (comparator) {
      // Late binding
      return OrderedSet(sortFactory(this, comparator));
    };

    Set.prototype.sortBy = function sortBy (mapper, comparator) {
      // Late binding
      return OrderedSet(sortFactory(this, comparator, mapper));
    };

    Set.prototype.wasAltered = function wasAltered () {
      return this._map.wasAltered();
    };

    Set.prototype.__iterate = function __iterate (fn, reverse) {
      var this$1$1 = this;

      return this._map.__iterate(function (k) { return fn(k, k, this$1$1); }, reverse);
    };

    Set.prototype.__iterator = function __iterator (type, reverse) {
      return this._map.__iterator(type, reverse);
    };

    Set.prototype.__ensureOwner = function __ensureOwner (ownerID) {
      if (ownerID === this.__ownerID) {
        return this;
      }
      var newMap = this._map.__ensureOwner(ownerID);
      if (!ownerID) {
        if (this.size === 0) {
          return this.__empty();
        }
        this.__ownerID = ownerID;
        this._map = newMap;
        return this;
      }
      return this.__make(newMap, ownerID);
    };

    return Set;
  }(SetCollection));

  Set.isSet = isSet;

  var SetPrototype = Set.prototype;
  SetPrototype[IS_SET_SYMBOL] = true;
  SetPrototype[DELETE] = SetPrototype.remove;
  SetPrototype.merge = SetPrototype.concat = SetPrototype.union;
  SetPrototype.withMutations = withMutations;
  SetPrototype.asImmutable = asImmutable;
  SetPrototype['@@transducer/init'] = SetPrototype.asMutable = asMutable;
  SetPrototype['@@transducer/step'] = function (result, arr) {
    return result.add(arr);
  };
  SetPrototype['@@transducer/result'] = function (obj) {
    return obj.asImmutable();
  };

  SetPrototype.__empty = emptySet;
  SetPrototype.__make = makeSet;

  function updateSet(set, newMap) {
    if (set.__ownerID) {
      set.size = newMap.size;
      set._map = newMap;
      return set;
    }
    return newMap === set._map
      ? set
      : newMap.size === 0
        ? set.__empty()
        : set.__make(newMap);
  }

  function makeSet(map, ownerID) {
    var set = Object.create(SetPrototype);
    set.size = map ? map.size : 0;
    set._map = map;
    set.__ownerID = ownerID;
    return set;
  }

  var EMPTY_SET;
  function emptySet() {
    return EMPTY_SET || (EMPTY_SET = makeSet(emptyMap()));
  }

  /**
   * Returns the value at the provided key path starting at the provided
   * collection, or notSetValue if the key path is not defined.
   *
   * A functional alternative to `collection.getIn(keypath)` which will also
   * work with plain Objects and Arrays.
   */
  function getIn$1(collection, searchKeyPath, notSetValue) {
      var keyPath = coerceKeyPath(searchKeyPath);
      var i = 0;
      while (i !== keyPath.length) {
          // @ts-expect-error keyPath[i++] can not be undefined by design
          collection = get(collection, keyPath[i++], NOT_SET);
          if (collection === NOT_SET) {
              return notSetValue;
          }
      }
      return collection;
  }

  function getIn(searchKeyPath, notSetValue) {
    return getIn$1(this, searchKeyPath, notSetValue);
  }

  /**
   * Returns true if the key path is defined in the provided collection.
   *
   * A functional alternative to `collection.hasIn(keypath)` which will also
   * work with plain Objects and Arrays.
   */
  function hasIn$1(collection, keyPath) {
      return getIn$1(collection, keyPath, NOT_SET) !== NOT_SET;
  }

  function hasIn(searchKeyPath) {
    return hasIn$1(this, searchKeyPath);
  }

  function toObject() {
    assertNotInfinite(this.size);
    var object = {};
    this.__iterate(function (v, k) {
      if (isProtoKey(k)) {
        return;
      }

      object[k] = v;
    });
    return object;
  }

  function toJS(value) {
      if (!value || typeof value !== 'object') {
          return value;
      }
      if (!isCollection(value)) {
          if (!isDataStructure(value)) {
              return value;
          }
          // @ts-expect-error until Seq has been migrated to TypeScript
          value = Seq(value);
      }
      if (isKeyed(value)) {
          var result$1 = {};
          // @ts-expect-error `__iterate` exists on all Keyed collections but method is not defined in the type
          value.__iterate(function (v, k) {
              if (isProtoKey(k)) {
                  return;
              }
              result$1[k] = toJS(v);
          });
          return result$1;
      }
      var result = [];
      // @ts-expect-error value "should" be a non-keyed collection, but we may need to assert for stricter types
      value.__iterate(function (v) {
          result.push(toJS(v));
      });
      return result;
  }

  function hashCollection(collection) {
      // @ts-expect-error Migrate to CollectionImpl in v6
      if (collection.size === Infinity) {
          return 0;
      }
      var ordered = isOrdered(collection);
      var keyed = isKeyed(collection);
      var h = ordered ? 1 : 0;
      // @ts-expect-error Migrate to CollectionImpl in v6
      collection.__iterate(keyed
          ? ordered
              ? function (v, k) {
                  h = (31 * h + hashMerge(hash(v), hash(k))) | 0;
              }
              : function (v, k) {
                  h = (h + hashMerge(hash(v), hash(k))) | 0;
              }
          : ordered
              ? function (v) {
                  h = (31 * h + hash(v)) | 0;
              }
              : function (v) {
                  h = (h + hash(v)) | 0;
              });
      // @ts-expect-error Migrate to CollectionImpl in v6
      return murmurHashOfSize(collection.size, h);
  }
  function murmurHashOfSize(size, h) {
      h = imul(h, 0xcc9e2d51);
      h = imul((h << 15) | (h >>> -15), 0x1b873593);
      h = imul((h << 13) | (h >>> -13), 5);
      h = ((h + 0xe6546b64) | 0) ^ size;
      h = imul(h ^ (h >>> 16), 0x85ebca6b);
      h = imul(h ^ (h >>> 13), 0xc2b2ae35);
      h = smi(h ^ (h >>> 16));
      return h;
  }
  function hashMerge(a, b) {
      return (a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2))) | 0; // int
  }

  /**
   * Contributes additional methods to a constructor
   */
  function mixin(ctor, 
  // eslint-disable-next-line @typescript-eslint/no-unsafe-function-type
  methods) {
      var keyCopier = function (key) {
          // @ts-expect-error how to handle symbol ?
          ctor.prototype[key] = methods[key];
      };
      Object.keys(methods).forEach(keyCopier);
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      Object.getOwnPropertySymbols &&
          Object.getOwnPropertySymbols(methods).forEach(keyCopier);
      return ctor;
  }

  Collection.Iterator = Iterator;

  mixin(Collection, {
    // ### Conversion to other types

    toArray: function toArray() {
      assertNotInfinite(this.size);
      var array = new Array(this.size || 0);
      var useTuples = isKeyed(this);
      var i = 0;
      this.__iterate(function (v, k) {
        // Keyed collections produce an array of tuples.
        array[i++] = useTuples ? [k, v] : v;
      });
      return array;
    },

    toIndexedSeq: function toIndexedSeq() {
      return new ToIndexedSequence(this);
    },

    toJS: function toJS$1() {
      return toJS(this);
    },

    toKeyedSeq: function toKeyedSeq() {
      return new ToKeyedSequence(this, true);
    },

    toMap: function toMap() {
      // Use Late Binding here to solve the circular dependency.
      return Map$1(this.toKeyedSeq());
    },

    toObject: toObject,

    toOrderedMap: function toOrderedMap() {
      // Use Late Binding here to solve the circular dependency.
      return OrderedMap(this.toKeyedSeq());
    },

    toOrderedSet: function toOrderedSet() {
      // Use Late Binding here to solve the circular dependency.
      return OrderedSet(isKeyed(this) ? this.valueSeq() : this);
    },

    toSet: function toSet() {
      // Use Late Binding here to solve the circular dependency.
      return Set(isKeyed(this) ? this.valueSeq() : this);
    },

    toSetSeq: function toSetSeq() {
      return new ToSetSequence(this);
    },

    toSeq: function toSeq() {
      return isIndexed(this)
        ? this.toIndexedSeq()
        : isKeyed(this)
          ? this.toKeyedSeq()
          : this.toSetSeq();
    },

    toStack: function toStack() {
      // Use Late Binding here to solve the circular dependency.
      return Stack(isKeyed(this) ? this.valueSeq() : this);
    },

    toList: function toList() {
      // Use Late Binding here to solve the circular dependency.
      return List(isKeyed(this) ? this.valueSeq() : this);
    },

    // ### Common JavaScript methods and properties

    toString: function toString() {
      return '[Collection]';
    },

    __toString: function __toString(head, tail) {
      if (this.size === 0) {
        return head + tail;
      }
      return (
        head +
        ' ' +
        this.toSeq().map(this.__toStringMapper).join(', ') +
        ' ' +
        tail
      );
    },

    // ### ES6 Collection methods (ES6 Array and Map)

    concat: function concat() {
      var values = [], len = arguments.length;
      while ( len-- ) values[ len ] = arguments[ len ];

      return reify(this, concatFactory(this, values));
    },

    includes: function includes(searchValue) {
      return this.some(function (value) { return is(value, searchValue); });
    },

    entries: function entries() {
      return this.__iterator(ITERATE_ENTRIES);
    },

    every: function every(predicate, context) {
      assertNotInfinite(this.size);
      var returnValue = true;
      this.__iterate(function (v, k, c) {
        if (!predicate.call(context, v, k, c)) {
          returnValue = false;
          return false;
        }
      });
      return returnValue;
    },

    filter: function filter(predicate, context) {
      return reify(this, filterFactory(this, predicate, context, true));
    },

    partition: function partition(predicate, context) {
      return partitionFactory(this, predicate, context);
    },

    find: function find(predicate, context, notSetValue) {
      var entry = this.findEntry(predicate, context);
      return entry ? entry[1] : notSetValue;
    },

    forEach: function forEach(sideEffect, context) {
      assertNotInfinite(this.size);
      return this.__iterate(context ? sideEffect.bind(context) : sideEffect);
    },

    join: function join(separator) {
      assertNotInfinite(this.size);
      separator = separator !== undefined ? '' + separator : ',';
      var joined = '';
      var isFirst = true;
      this.__iterate(function (v) {
        // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
        isFirst ? (isFirst = false) : (joined += separator);
        joined += v !== null && v !== undefined ? v.toString() : '';
      });
      return joined;
    },

    keys: function keys() {
      return this.__iterator(ITERATE_KEYS);
    },

    map: function map(mapper, context) {
      return reify(this, mapFactory(this, mapper, context));
    },

    reduce: function reduce$1(reducer, initialReduction, context) {
      return reduce(
        this,
        reducer,
        initialReduction,
        context,
        arguments.length < 2,
        false
      );
    },

    reduceRight: function reduceRight(reducer, initialReduction, context) {
      return reduce(
        this,
        reducer,
        initialReduction,
        context,
        arguments.length < 2,
        true
      );
    },

    reverse: function reverse() {
      return reify(this, reverseFactory(this, true));
    },

    slice: function slice(begin, end) {
      return reify(this, sliceFactory(this, begin, end, true));
    },

    some: function some(predicate, context) {
      assertNotInfinite(this.size);
      var returnValue = false;
      this.__iterate(function (v, k, c) {
        if (predicate.call(context, v, k, c)) {
          returnValue = true;
          return false;
        }
      });
      return returnValue;
    },

    sort: function sort(comparator) {
      return reify(this, sortFactory(this, comparator));
    },

    values: function values() {
      return this.__iterator(ITERATE_VALUES);
    },

    // ### More sequential methods

    butLast: function butLast() {
      return this.slice(0, -1);
    },

    isEmpty: function isEmpty() {
      return this.size !== undefined ? this.size === 0 : !this.some(function () { return true; });
    },

    count: function count(predicate, context) {
      return ensureSize(
        predicate ? this.toSeq().filter(predicate, context) : this
      );
    },

    countBy: function countBy(grouper, context) {
      return countByFactory(this, grouper, context);
    },

    equals: function equals(other) {
      return deepEqual(this, other);
    },

    entrySeq: function entrySeq() {
      // eslint-disable-next-line @typescript-eslint/no-this-alias
      var collection = this;
      if (collection._cache) {
        // We cache as an entries array, so we can just return the cache!
        return new ArraySeq(collection._cache);
      }
      var entriesSequence = collection.toSeq().map(entryMapper).toIndexedSeq();
      entriesSequence.fromEntrySeq = function () { return collection.toSeq(); };
      return entriesSequence;
    },

    filterNot: function filterNot(predicate, context) {
      return this.filter(not(predicate), context);
    },

    findEntry: function findEntry(predicate, context, notSetValue) {
      var found = notSetValue;
      this.__iterate(function (v, k, c) {
        if (predicate.call(context, v, k, c)) {
          found = [k, v];
          return false;
        }
      });
      return found;
    },

    findKey: function findKey(predicate, context) {
      var entry = this.findEntry(predicate, context);
      return entry && entry[0];
    },

    findLast: function findLast(predicate, context, notSetValue) {
      return this.toKeyedSeq().reverse().find(predicate, context, notSetValue);
    },

    findLastEntry: function findLastEntry(predicate, context, notSetValue) {
      return this.toKeyedSeq()
        .reverse()
        .findEntry(predicate, context, notSetValue);
    },

    findLastKey: function findLastKey(predicate, context) {
      return this.toKeyedSeq().reverse().findKey(predicate, context);
    },

    first: function first(notSetValue) {
      return this.find(returnTrue, null, notSetValue);
    },

    flatMap: function flatMap(mapper, context) {
      return reify(this, flatMapFactory(this, mapper, context));
    },

    flatten: function flatten(depth) {
      return reify(this, flattenFactory(this, depth, true));
    },

    fromEntrySeq: function fromEntrySeq() {
      return new FromEntriesSequence(this);
    },

    get: function get(searchKey, notSetValue) {
      return this.find(function (_, key) { return is(key, searchKey); }, undefined, notSetValue);
    },

    getIn: getIn,

    groupBy: function groupBy(grouper, context) {
      return groupByFactory(this, grouper, context);
    },

    has: function has(searchKey) {
      return this.get(searchKey, NOT_SET) !== NOT_SET;
    },

    hasIn: hasIn,

    isSubset: function isSubset(iter) {
      iter = typeof iter.includes === 'function' ? iter : Collection(iter);
      return this.every(function (value) { return iter.includes(value); });
    },

    isSuperset: function isSuperset(iter) {
      iter = typeof iter.isSubset === 'function' ? iter : Collection(iter);
      return iter.isSubset(this);
    },

    keyOf: function keyOf(searchValue) {
      return this.findKey(function (value) { return is(value, searchValue); });
    },

    keySeq: function keySeq() {
      return this.toSeq().map(keyMapper).toIndexedSeq();
    },

    last: function last(notSetValue) {
      return this.toSeq().reverse().first(notSetValue);
    },

    lastKeyOf: function lastKeyOf(searchValue) {
      return this.toKeyedSeq().reverse().keyOf(searchValue);
    },

    max: function max(comparator) {
      return maxFactory(this, comparator);
    },

    maxBy: function maxBy(mapper, comparator) {
      return maxFactory(this, comparator, mapper);
    },

    min: function min(comparator) {
      return maxFactory(
        this,
        comparator ? neg(comparator) : defaultNegComparator
      );
    },

    minBy: function minBy(mapper, comparator) {
      return maxFactory(
        this,
        comparator ? neg(comparator) : defaultNegComparator,
        mapper
      );
    },

    rest: function rest() {
      return this.slice(1);
    },

    skip: function skip(amount) {
      return amount === 0 ? this : this.slice(Math.max(0, amount));
    },

    skipLast: function skipLast(amount) {
      return amount === 0 ? this : this.slice(0, -Math.max(0, amount));
    },

    skipWhile: function skipWhile(predicate, context) {
      return reify(this, skipWhileFactory(this, predicate, context, true));
    },

    skipUntil: function skipUntil(predicate, context) {
      return this.skipWhile(not(predicate), context);
    },

    sortBy: function sortBy(mapper, comparator) {
      return reify(this, sortFactory(this, comparator, mapper));
    },

    take: function take(amount) {
      return this.slice(0, Math.max(0, amount));
    },

    takeLast: function takeLast(amount) {
      return this.slice(-Math.max(0, amount));
    },

    takeWhile: function takeWhile(predicate, context) {
      return reify(this, takeWhileFactory(this, predicate, context));
    },

    takeUntil: function takeUntil(predicate, context) {
      return this.takeWhile(not(predicate), context);
    },

    update: function update(fn) {
      return fn(this);
    },

    valueSeq: function valueSeq() {
      return this.toIndexedSeq();
    },

    // ### Hashable Object

    hashCode: function hashCode() {
      return this.__hash || (this.__hash = hashCollection(this));
    },

    // ### Internal

    // abstract __iterate(fn, reverse)

    // abstract __iterator(type, reverse)
  });

  var CollectionPrototype = Collection.prototype;
  CollectionPrototype[IS_COLLECTION_SYMBOL] = true;
  CollectionPrototype[ITERATOR_SYMBOL] = CollectionPrototype.values;
  CollectionPrototype.toJSON = CollectionPrototype.toArray;
  CollectionPrototype.__toStringMapper = quoteString;
  CollectionPrototype.inspect = CollectionPrototype.toSource = function () {
    return this.toString();
  };
  CollectionPrototype.chain = CollectionPrototype.flatMap;
  CollectionPrototype.contains = CollectionPrototype.includes;

  mixin(KeyedCollection, {
    // ### More sequential methods

    flip: function flip() {
      return reify(this, flipFactory(this));
    },

    mapEntries: function mapEntries(mapper, context) {
      var this$1$1 = this;

      var iterations = 0;
      return reify(
        this,
        this.toSeq()
          .map(function (v, k) { return mapper.call(context, [k, v], iterations++, this$1$1); })
          .fromEntrySeq()
      );
    },

    mapKeys: function mapKeys(mapper, context) {
      var this$1$1 = this;

      return reify(
        this,
        this.toSeq()
          .flip()
          .map(function (k, v) { return mapper.call(context, k, v, this$1$1); })
          .flip()
      );
    },
  });

  var KeyedCollectionPrototype = KeyedCollection.prototype;
  KeyedCollectionPrototype[IS_KEYED_SYMBOL] = true;
  KeyedCollectionPrototype[ITERATOR_SYMBOL] = CollectionPrototype.entries;
  KeyedCollectionPrototype.toJSON = toObject;
  KeyedCollectionPrototype.__toStringMapper = function (v, k) { return quoteString(k) + ': ' + quoteString(v); };

  mixin(IndexedCollection, {
    // ### Conversion to other types

    toKeyedSeq: function toKeyedSeq() {
      return new ToKeyedSequence(this, false);
    },

    // ### ES6 Collection methods (ES6 Array and Map)

    filter: function filter(predicate, context) {
      return reify(this, filterFactory(this, predicate, context, false));
    },

    findIndex: function findIndex(predicate, context) {
      var entry = this.findEntry(predicate, context);
      return entry ? entry[0] : -1;
    },

    indexOf: function indexOf(searchValue) {
      var key = this.keyOf(searchValue);
      return key === undefined ? -1 : key;
    },

    lastIndexOf: function lastIndexOf(searchValue) {
      var key = this.lastKeyOf(searchValue);
      return key === undefined ? -1 : key;
    },

    reverse: function reverse() {
      return reify(this, reverseFactory(this, false));
    },

    slice: function slice(begin, end) {
      return reify(this, sliceFactory(this, begin, end, false));
    },

    splice: function splice(index, removeNum /*, ...values*/) {
      var numArgs = arguments.length;
      removeNum = Math.max(removeNum || 0, 0);
      if (numArgs === 0 || (numArgs === 2 && !removeNum)) {
        return this;
      }
      // If index is negative, it should resolve relative to the size of the
      // collection. However size may be expensive to compute if not cached, so
      // only call count() if the number is in fact negative.
      index = resolveBegin(index, index < 0 ? this.count() : this.size);
      var spliced = this.slice(0, index);
      return reify(
        this,
        numArgs === 1
          ? spliced
          : spliced.concat(arrCopy(arguments, 2), this.slice(index + removeNum))
      );
    },

    // ### More collection methods

    findLastIndex: function findLastIndex(predicate, context) {
      var entry = this.findLastEntry(predicate, context);
      return entry ? entry[0] : -1;
    },

    first: function first(notSetValue) {
      return this.get(0, notSetValue);
    },

    flatten: function flatten(depth) {
      return reify(this, flattenFactory(this, depth, false));
    },

    get: function get(index, notSetValue) {
      index = wrapIndex(this, index);
      return index < 0 ||
        this.size === Infinity ||
        (this.size !== undefined && index > this.size)
        ? notSetValue
        : this.find(function (_, key) { return key === index; }, undefined, notSetValue);
    },

    has: function has(index) {
      index = wrapIndex(this, index);
      return (
        index >= 0 &&
        (this.size !== undefined
          ? this.size === Infinity || index < this.size
          : this.indexOf(index) !== -1)
      );
    },

    interpose: function interpose(separator) {
      return reify(this, interposeFactory(this, separator));
    },

    interleave: function interleave(/*...collections*/) {
      var collections = [this].concat(arrCopy(arguments));
      var zipped = zipWithFactory(this.toSeq(), IndexedSeq.of, collections);
      var interleaved = zipped.flatten(true);
      if (zipped.size) {
        interleaved.size = zipped.size * collections.length;
      }
      return reify(this, interleaved);
    },

    keySeq: function keySeq() {
      return Range(0, this.size);
    },

    last: function last(notSetValue) {
      return this.get(-1, notSetValue);
    },

    skipWhile: function skipWhile(predicate, context) {
      return reify(this, skipWhileFactory(this, predicate, context, false));
    },

    zip: function zip(/*, ...collections */) {
      var collections = [this].concat(arrCopy(arguments));
      return reify(this, zipWithFactory(this, defaultZipper, collections));
    },

    zipAll: function zipAll(/*, ...collections */) {
      var collections = [this].concat(arrCopy(arguments));
      return reify(this, zipWithFactory(this, defaultZipper, collections, true));
    },

    zipWith: function zipWith(zipper /*, ...collections */) {
      var collections = arrCopy(arguments);
      collections[0] = this;
      return reify(this, zipWithFactory(this, zipper, collections));
    },
  });

  var IndexedCollectionPrototype = IndexedCollection.prototype;
  IndexedCollectionPrototype[IS_INDEXED_SYMBOL] = true;
  IndexedCollectionPrototype[IS_ORDERED_SYMBOL] = true;

  mixin(SetCollection, {
    // ### ES6 Collection methods (ES6 Array and Map)

    get: function get(value, notSetValue) {
      return this.has(value) ? value : notSetValue;
    },

    includes: function includes(value) {
      return this.has(value);
    },

    // ### More sequential methods

    keySeq: function keySeq() {
      return this.valueSeq();
    },
  });

  var SetCollectionPrototype = SetCollection.prototype;
  SetCollectionPrototype.has = CollectionPrototype.includes;
  SetCollectionPrototype.contains = SetCollectionPrototype.includes;
  SetCollectionPrototype.keys = SetCollectionPrototype.values;

  // Mixin subclasses

  mixin(KeyedSeq, KeyedCollectionPrototype);
  mixin(IndexedSeq, IndexedCollectionPrototype);
  mixin(SetSeq, SetCollectionPrototype);

  // #pragma Helper functions

  function defaultZipper() {
    return arrCopy(arguments);
  }

  /**
   * True if `maybeOrderedSet` is an OrderedSet.
   */
  function isOrderedSet(maybeOrderedSet) {
      return isSet(maybeOrderedSet) && isOrdered(maybeOrderedSet);
  }

  var OrderedSet = /*@__PURE__*/(function (Set) {
    function OrderedSet(value) {
      // eslint-disable-next-line no-constructor-return
      return value === undefined || value === null
        ? emptyOrderedSet()
        : isOrderedSet(value)
          ? value
          : emptyOrderedSet().withMutations(function (set) {
              var iter = SetCollection(value);
              assertNotInfinite(iter.size);
              iter.forEach(function (v) { return set.add(v); });
            });
    }

    if ( Set ) OrderedSet.__proto__ = Set;
    OrderedSet.prototype = Object.create( Set && Set.prototype );
    OrderedSet.prototype.constructor = OrderedSet;

    OrderedSet.of = function of (/*...values*/) {
      return this(arguments);
    };

    OrderedSet.fromKeys = function fromKeys (value) {
      return this(KeyedCollection(value).keySeq());
    };

    OrderedSet.prototype.toString = function toString () {
      return this.__toString('OrderedSet {', '}');
    };

    return OrderedSet;
  }(Set));

  OrderedSet.isOrderedSet = isOrderedSet;

  var OrderedSetPrototype = OrderedSet.prototype;
  OrderedSetPrototype[IS_ORDERED_SYMBOL] = true;
  OrderedSetPrototype.zip = IndexedCollectionPrototype.zip;
  OrderedSetPrototype.zipWith = IndexedCollectionPrototype.zipWith;
  OrderedSetPrototype.zipAll = IndexedCollectionPrototype.zipAll;

  OrderedSetPrototype.__empty = emptyOrderedSet;
  OrderedSetPrototype.__make = makeOrderedSet;

  function makeOrderedSet(map, ownerID) {
    var set = Object.create(OrderedSetPrototype);
    set.size = map ? map.size : 0;
    set._map = map;
    set.__ownerID = ownerID;
    return set;
  }

  var EMPTY_ORDERED_SET;
  function emptyOrderedSet() {
    return (
      EMPTY_ORDERED_SET || (EMPTY_ORDERED_SET = makeOrderedSet(emptyOrderedMap()))
    );
  }

  /**
   * Describes which item in a pair should be placed first when sorting
   */
  var PairSorting = {
      LeftThenRight: -1,
      RightThenLeft: 1,
  };

  function throwOnInvalidDefaultValues(defaultValues) {
    if (isRecord(defaultValues)) {
      throw new Error(
        'Can not call `Record` with an immutable Record as default values. Use a plain javascript object instead.'
      );
    }

    if (isImmutable(defaultValues)) {
      throw new Error(
        'Can not call `Record` with an immutable Collection as default values. Use a plain javascript object instead.'
      );
    }

    if (defaultValues === null || typeof defaultValues !== 'object') {
      throw new Error(
        'Can not call `Record` with a non-object as default values. Use a plain javascript object instead.'
      );
    }
  }

  var Record = function Record(defaultValues, name) {
    var hasInitialized;

    throwOnInvalidDefaultValues(defaultValues);

    var RecordType = function Record(values) {
      var this$1$1 = this;

      if (values instanceof RecordType) {
        return values;
      }
      if (!(this instanceof RecordType)) {
        return new RecordType(values);
      }
      if (!hasInitialized) {
        hasInitialized = true;
        var keys = Object.keys(defaultValues);
        var indices = (RecordTypePrototype._indices = {});
        // Deprecated: left to attempt not to break any external code which
        // relies on a ._name property existing on record instances.
        // Use Record.getDescriptiveName() instead
        RecordTypePrototype._name = name;
        RecordTypePrototype._keys = keys;
        RecordTypePrototype._defaultValues = defaultValues;
        for (var i = 0; i < keys.length; i++) {
          var propName = keys[i];
          indices[propName] = i;
          if (RecordTypePrototype[propName]) {
            /* eslint-disable no-console */
            // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
            typeof console === 'object' &&
              console.warn &&
              console.warn(
                'Cannot define ' +
                  recordName(this) +
                  ' with property "' +
                  propName +
                  '" since that property name is part of the Record API.'
              );
            /* eslint-enable no-console */
          } else {
            setProp(RecordTypePrototype, propName);
          }
        }
      }
      this.__ownerID = undefined;
      this._values = List().withMutations(function (l) {
        l.setSize(this$1$1._keys.length);
        KeyedCollection(values).forEach(function (v, k) {
          l.set(this$1$1._indices[k], v === this$1$1._defaultValues[k] ? undefined : v);
        });
      });
      return this;
    };

    var RecordTypePrototype = (RecordType.prototype =
      Object.create(RecordPrototype));
    RecordTypePrototype.constructor = RecordType;

    if (name) {
      RecordType.displayName = name;
    }

    // eslint-disable-next-line no-constructor-return
    return RecordType;
  };

  Record.prototype.toString = function toString () {
    var str = recordName(this) + ' { ';
    var keys = this._keys;
    var k;
    for (var i = 0, l = keys.length; i !== l; i++) {
      k = keys[i];
      str += (i ? ', ' : '') + k + ': ' + quoteString(this.get(k));
    }
    return str + ' }';
  };

  Record.prototype.equals = function equals (other) {
    return (
      this === other ||
      (isRecord(other) && recordSeq(this).equals(recordSeq(other)))
    );
  };

  Record.prototype.hashCode = function hashCode () {
    return recordSeq(this).hashCode();
  };

  // @pragma Access

  Record.prototype.has = function has (k) {
    return this._indices.hasOwnProperty(k);
  };

  Record.prototype.get = function get (k, notSetValue) {
    if (!this.has(k)) {
      return notSetValue;
    }
    var index = this._indices[k];
    var value = this._values.get(index);
    return value === undefined ? this._defaultValues[k] : value;
  };

  // @pragma Modification

  Record.prototype.set = function set (k, v) {
    if (this.has(k)) {
      var newValues = this._values.set(
        this._indices[k],
        v === this._defaultValues[k] ? undefined : v
      );
      if (newValues !== this._values && !this.__ownerID) {
        return makeRecord(this, newValues);
      }
    }
    return this;
  };

  Record.prototype.remove = function remove (k) {
    return this.set(k);
  };

  Record.prototype.clear = function clear () {
    var newValues = this._values.clear().setSize(this._keys.length);

    return this.__ownerID ? this : makeRecord(this, newValues);
  };

  Record.prototype.wasAltered = function wasAltered () {
    return this._values.wasAltered();
  };

  Record.prototype.toSeq = function toSeq () {
    return recordSeq(this);
  };

  Record.prototype.toJS = function toJS$1 () {
    return toJS(this);
  };

  Record.prototype.entries = function entries () {
    return this.__iterator(ITERATE_ENTRIES);
  };

  Record.prototype.__iterator = function __iterator (type, reverse) {
    return recordSeq(this).__iterator(type, reverse);
  };

  Record.prototype.__iterate = function __iterate (fn, reverse) {
    return recordSeq(this).__iterate(fn, reverse);
  };

  Record.prototype.__ensureOwner = function __ensureOwner (ownerID) {
    if (ownerID === this.__ownerID) {
      return this;
    }
    var newValues = this._values.__ensureOwner(ownerID);
    if (!ownerID) {
      this.__ownerID = ownerID;
      this._values = newValues;
      return this;
    }
    return makeRecord(this, newValues, ownerID);
  };

  Record.isRecord = isRecord;
  Record.getDescriptiveName = recordName;
  var RecordPrototype = Record.prototype;
  RecordPrototype[IS_RECORD_SYMBOL] = true;
  RecordPrototype[DELETE] = RecordPrototype.remove;
  RecordPrototype.deleteIn = RecordPrototype.removeIn = deleteIn;
  RecordPrototype.getIn = getIn;
  RecordPrototype.hasIn = CollectionPrototype.hasIn;
  RecordPrototype.merge = merge$1;
  RecordPrototype.mergeWith = mergeWith$1;
  RecordPrototype.mergeIn = mergeIn;
  RecordPrototype.mergeDeep = mergeDeep;
  RecordPrototype.mergeDeepWith = mergeDeepWith;
  RecordPrototype.mergeDeepIn = mergeDeepIn;
  RecordPrototype.setIn = setIn;
  RecordPrototype.update = update;
  RecordPrototype.updateIn = updateIn$1;
  RecordPrototype.withMutations = withMutations;
  RecordPrototype.asMutable = asMutable;
  RecordPrototype.asImmutable = asImmutable;
  RecordPrototype[ITERATOR_SYMBOL] = RecordPrototype.entries;
  RecordPrototype.toJSON = RecordPrototype.toObject =
    CollectionPrototype.toObject;
  RecordPrototype.inspect = RecordPrototype.toSource = function () {
    return this.toString();
  };

  function makeRecord(likeRecord, values, ownerID) {
    var record = Object.create(Object.getPrototypeOf(likeRecord));
    record._values = values;
    record.__ownerID = ownerID;
    return record;
  }

  function recordName(record) {
    return record.constructor.displayName || record.constructor.name || 'Record';
  }

  function recordSeq(record) {
    return keyedSeqFromValue(record._keys.map(function (k) { return [k, record.get(k)]; }));
  }

  function setProp(prototype, name) {
    try {
      Object.defineProperty(prototype, name, {
        get: function () {
          return this.get(name);
        },
        set: function (value) {
          invariant(this.__ownerID, 'Cannot set on an immutable record.');
          this.set(name, value);
        },
      });
      // eslint-disable-next-line @typescript-eslint/no-unused-vars -- TODO enable eslint here
    } catch (error) {
      // Object.defineProperty failed. Probably IE8.
    }
  }

  /**
   * Returns a lazy Seq of `value` repeated `times` times. When `times` is
   * undefined, returns an infinite sequence of `value`.
   */
  var Repeat = /*@__PURE__*/(function (IndexedSeq) {
    function Repeat(value, times) {
      if (!(this instanceof Repeat)) {
        // eslint-disable-next-line no-constructor-return
        return new Repeat(value, times);
      }
      this._value = value;
      this.size = times === undefined ? Infinity : Math.max(0, times);
      if (this.size === 0) {
        if (EMPTY_REPEAT) {
          // eslint-disable-next-line no-constructor-return
          return EMPTY_REPEAT;
        }
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        EMPTY_REPEAT = this;
      }
    }

    if ( IndexedSeq ) Repeat.__proto__ = IndexedSeq;
    Repeat.prototype = Object.create( IndexedSeq && IndexedSeq.prototype );
    Repeat.prototype.constructor = Repeat;

    Repeat.prototype.toString = function toString () {
      if (this.size === 0) {
        return 'Repeat []';
      }
      return 'Repeat [ ' + this._value + ' ' + this.size + ' times ]';
    };

    Repeat.prototype.get = function get (index, notSetValue) {
      return this.has(index) ? this._value : notSetValue;
    };

    Repeat.prototype.includes = function includes (searchValue) {
      return is(this._value, searchValue);
    };

    Repeat.prototype.slice = function slice (begin, end) {
      var size = this.size;
      return wholeSlice(begin, end, size)
        ? this
        : new Repeat(
            this._value,
            resolveEnd(end, size) - resolveBegin(begin, size)
          );
    };

    Repeat.prototype.reverse = function reverse () {
      return this;
    };

    Repeat.prototype.indexOf = function indexOf (searchValue) {
      if (is(this._value, searchValue)) {
        return 0;
      }
      return -1;
    };

    Repeat.prototype.lastIndexOf = function lastIndexOf (searchValue) {
      if (is(this._value, searchValue)) {
        return this.size;
      }
      return -1;
    };

    Repeat.prototype.__iterate = function __iterate (fn, reverse) {
      var size = this.size;
      var i = 0;
      while (i !== size) {
        if (fn(this._value, reverse ? size - ++i : i++, this) === false) {
          break;
        }
      }
      return i;
    };

    Repeat.prototype.__iterator = function __iterator (type, reverse) {
      var this$1$1 = this;

      var size = this.size;
      var i = 0;
      return new Iterator(function () { return i === size
          ? iteratorDone()
          : iteratorValue(type, reverse ? size - ++i : i++, this$1$1._value); }
      );
    };

    Repeat.prototype.equals = function equals (other) {
      return other instanceof Repeat
        ? is(this._value, other._value)
        : deepEqual(this, other);
    };

    return Repeat;
  }(IndexedSeq));

  var EMPTY_REPEAT;

  function fromJS(value, converter) {
    return fromJSWith(
      [],
      converter || defaultConverter,
      value,
      '',
      converter && converter.length > 2 ? [] : undefined,
      { '': value }
    );
  }

  function fromJSWith(stack, converter, value, key, keyPath, parentValue) {
    if (
      typeof value !== 'string' &&
      !isImmutable(value) &&
      (isArrayLike(value) || hasIterator(value) || isPlainObject(value))
    ) {
      if (~stack.indexOf(value)) {
        throw new TypeError('Cannot convert circular structure to Immutable');
      }
      stack.push(value);
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      keyPath && key !== '' && keyPath.push(key);
      var converted = converter.call(
        parentValue,
        key,
        Seq(value).map(function (v, k) { return fromJSWith(stack, converter, v, k, keyPath, value); }
        ),
        keyPath && keyPath.slice()
      );
      stack.pop();
      // eslint-disable-next-line @typescript-eslint/no-unused-expressions -- TODO enable eslint here
      keyPath && keyPath.pop();
      return converted;
    }
    return value;
  }

  function defaultConverter(k, v) {
    // Effectively the opposite of "Collection.toSeq()"
    return isIndexed(v) ? v.toList() : isKeyed(v) ? v.toMap() : v.toSet();
  }

  var version$1 = "5.1.5";

  /* eslint-disable import/order */

  // Note: Iterable is deprecated
  var Iterable = Collection;

  var immutable = /*#__PURE__*/Object.freeze({
    __proto__: null,
    Collection: Collection,
    Iterable: Iterable,
    List: List,
    Map: Map$1,
    OrderedMap: OrderedMap,
    OrderedSet: OrderedSet,
    PairSorting: PairSorting,
    Range: Range,
    Record: Record,
    Repeat: Repeat,
    Seq: Seq,
    Set: Set,
    Stack: Stack,
    fromJS: fromJS,
    get: get,
    getIn: getIn$1,
    has: has,
    hasIn: hasIn$1,
    hash: hash,
    is: is,
    isAssociative: isAssociative,
    isCollection: isCollection,
    isImmutable: isImmutable,
    isIndexed: isIndexed,
    isKeyed: isKeyed,
    isList: isList,
    isMap: isMap,
    isOrdered: isOrdered,
    isOrderedMap: isOrderedMap,
    isOrderedSet: isOrderedSet,
    isPlainObject: isPlainObject,
    isRecord: isRecord,
    isSeq: isSeq,
    isSet: isSet,
    isStack: isStack,
    isValueObject: isValueObject,
    merge: merge,
    mergeDeep: mergeDeep$1,
    mergeDeepWith: mergeDeepWith$1,
    mergeWith: mergeWith,
    remove: remove,
    removeIn: removeIn,
    set: set,
    setIn: setIn$1,
    update: update$1,
    updateIn: updateIn,
    version: version$1
  });

  function commonjsRequire(path) {
  	throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.');
  }

  var sass_dart = {};

  var hasRequiredSass_dart;

  function requireSass_dart () {
  	if (hasRequiredSass_dart) return sass_dart;
  	hasRequiredSass_dart = 1;
  	// Because of vitejs/vite#12340, there's no way to reliably detect whether we're
  	// running as a (possibly bundled/polyfilled) ESM module or as a CommonJS
  	// module. In order to work everywhere, we have to provide the load function via
  	// a side channel on the global object. We write it as a stack so that multiple
  	// cli_pkg packages can depend on one another without clobbering their exports.
  	if (!globalThis._cliPkgExports) {
  	  globalThis._cliPkgExports = [];
  	}
  	let _cliPkgExports = {};
  	globalThis._cliPkgExports.push(_cliPkgExports);

  	_cliPkgExports.load = function(_cliPkgRequires, _cliPkgExportParam) {
  	var dartNodeIsActuallyNode = typeof process !== "undefined" && (process.versions || {}).hasOwnProperty('node');

  	// make sure to keep this as 'var'
  	// we don't want block scoping
  	var self = dartNodeIsActuallyNode ? Object.create(globalThis) : globalThis;

  	self.scheduleImmediate = typeof setImmediate !== "undefined"
  	    ? function (cb) {
  	        setImmediate(cb);
  	      }
  	    : function(cb) {
  	        setTimeout(cb, 0);
  	      };

  	// CommonJS globals.
  	if (typeof commonjsRequire !== "undefined") {
  	  self.require = commonjsRequire;
  	}
  	self.exports = _cliPkgExportParam || _cliPkgExports;

  	// Node.js specific exports, check to see if they exist & or polyfilled

  	if (typeof process !== "undefined") {
  	  self.process = process;
  	}

  	if (typeof __dirname !== "undefined") {
  	  self.__dirname = __dirname;
  	}

  	if (typeof __filename !== "undefined") {
  	  self.__filename = __filename;
  	}

  	if (typeof Buffer !== "undefined") {
  	  self.Buffer = Buffer;
  	}

  	// if we're running in a browser, Dart supports most of this out of box
  	// make sure we only run these in Node.js environment

  	if (dartNodeIsActuallyNode) {
  	  // This line is to:
  	  // 1) Prevent Webpack from bundling.
  	  // 2) In Webpack on Node.js, make sure we're using the native Node.js require, which is available via __non_webpack_require__
  	  // https://github.com/mbullington/node_preamble.dart/issues/18#issuecomment-527305561
  	  var url = ("undefined" !== typeof __webpack_require__ ? __non_webpack_require__ : commonjsRequire)("url");

  	  // Setting `self.location=` in Electron throws a `TypeError`, so we define it
  	  // as a property instead to be safe.
  	  Object.defineProperty(self, "location", {
  	    value: {
  	      get href() {
  	        if (url.pathToFileURL) {
  	          return url.pathToFileURL(process.cwd()).href + "/";
  	        } else {
  	          // This isn't really a correct transformation, but it's the best we have
  	          // for versions of Node <10.12.0 which introduced `url.pathToFileURL()`.
  	          // For example, it will fail for paths that contain characters that need
  	          // to be escaped in URLs.
  	          return "file://" + (function() {
  	            var cwd = process.cwd();
  	            if (process.platform != "win32") return cwd;
  	            return "/" + cwd.replace(/\\/g, "/");
  	          })() + "/"
  	        }
  	      }
  	    }
  	  });

  	  (function() {
  	    function computeCurrentScript() {
  	      try {
  	        throw new Error();
  	      } catch(e) {
  	        var stack = e.stack;
  	        var re = new RegExp("^ *at [^(]*\\((.*):[0-9]*:[0-9]*\\)$", "mg");
  	        var lastMatch = null;
  	        do {
  	          var match = re.exec(stack);
  	          if (match != null) lastMatch = match;
  	        } while (match != null);
  	        return lastMatch[1];
  	      }
  	    }

  	    // Setting `self.document=` isn't known to throw an error anywhere like
  	    // `self.location=` does on Electron, but it's better to be future-proof
  	    // just in case..
  	    var cachedCurrentScript = null;
  	    Object.defineProperty(self, "document", {
  	      value: {
  	        get currentScript() {
  	          if (cachedCurrentScript == null) {
  	            cachedCurrentScript = {src: computeCurrentScript()};
  	          }
  	          return cachedCurrentScript;
  	        }
  	      }
  	    });
  	  })();

  	  self.dartDeferredLibraryLoader = function(uri, successCallback, errorCallback) {
  	    try {
  	     load(uri);
  	      successCallback();
  	    } catch (error) {
  	      errorCallback(error);
  	    }
  	  };
  	}

  	Object.defineProperty(self, 'parcel_watcher', { get: _cliPkgRequires.parcel_watcher });
  	self.immutable = _cliPkgRequires.immutable;
  	self.chokidar = _cliPkgRequires.chokidar;
  	self.readline = _cliPkgRequires.readline;
  	self.fs = _cliPkgRequires.fs;
  	self.nodeModule = _cliPkgRequires.nodeModule;
  	self.stream = _cliPkgRequires.stream;
  	self.util = _cliPkgRequires.util;
  	// Generated by dart2js (, trust primitives, omit checks, lax runtime type, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.11.4.
  	// The code supports the following hooks:
  	// dartPrint(message):
  	//    if this function is defined it is called instead of the Dart [print]
  	//    method.
  	//
  	// dartMainRunner(main, args):
  	//    if this function is defined, the Dart [main] method will not be invoked
  	//    directly. Instead, a closure that will invoke [main], and its arguments
  	//    [args] is passed to [dartMainRunner].
  	//
  	// dartDeferredLibraryLoader(uri, successCallback, errorCallback, loadId, loadPriority):
  	//    if this function is defined, it will be called when a deferred library
  	//    is loaded. It should load and eval the javascript of `uri`, and call
  	//    successCallback. If it fails to do so, it should call errorCallback with
  	//    an error. The loadId argument is the deferred import that resulted in
  	//    this uri being loaded. The loadPriority argument is an arbitrary argument
  	//    string forwarded from the 'dart2js:load-priority' pragma option.
  	// dartDeferredLibraryMultiLoader(uris, successCallback, errorCallback, loadId, loadPriority):
  	//    if this function is defined, it will be called when a deferred library
  	//    is loaded. It should load and eval the javascript of every URI in `uris`,
  	//    and call successCallback. If it fails to do so, it should call
  	//    errorCallback with an error. The loadId argument is the deferred import
  	//    that resulted in this uri being loaded. The loadPriority argument is an
  	//    arbitrary argument string forwarded from the 'dart2js:load-priority'
  	//    pragma option.
  	//
  	// dartCallInstrumentation(id, qualifiedName):
  	//    if this function is defined, it will be called at each entry of a
  	//    method or constructor. Used only when compiling programs with
  	//    --experiment-call-instrumentation.
  	(function dartProgram() {
  	  function copyProperties(from, to) {
  	    var keys = Object.keys(from);
  	    for (var i = 0; i < keys.length; i++) {
  	      var key = keys[i];
  	      to[key] = from[key];
  	    }
  	  }
  	  function mixinPropertiesHard(from, to) {
  	    var keys = Object.keys(from);
  	    for (var i = 0; i < keys.length; i++) {
  	      var key = keys[i];
  	      if (!to.hasOwnProperty(key)) {
  	        to[key] = from[key];
  	      }
  	    }
  	  }
  	  function mixinPropertiesEasy(from, to) {
  	    Object.assign(to, from);
  	  }
  	  var supportsDirectProtoAccess = function() {
  	    var cls = function() {
  	    };
  	    cls.prototype = {p: {}};
  	    var object = new cls();
  	    if (!(Object.getPrototypeOf(object) && Object.getPrototypeOf(object).p === cls.prototype.p))
  	      return false;
  	    try {
  	      if (typeof navigator != "undefined" && typeof navigator.userAgent == "string" && navigator.userAgent.indexOf("Chrome/") >= 0)
  	        return true;
  	      if (typeof version == "function" && version.length == 0) {
  	        var v = version();
  	        if (/^\d+\.\d+\.\d+\.\d+$/.test(v))
  	          return true;
  	      }
  	    } catch (_) {
  	    }
  	    return false;
  	  }();
  	  function inherit(cls, sup) {
  	    cls.prototype.constructor = cls;
  	    cls.prototype["$is" + cls.name] = cls;
  	    if (sup != null) {
  	      if (supportsDirectProtoAccess) {
  	        Object.setPrototypeOf(cls.prototype, sup.prototype);
  	        return;
  	      }
  	      var clsPrototype = Object.create(sup.prototype);
  	      copyProperties(cls.prototype, clsPrototype);
  	      cls.prototype = clsPrototype;
  	    }
  	  }
  	  function inheritMany(sup, classes) {
  	    for (var i = 0; i < classes.length; i++) {
  	      inherit(classes[i], sup);
  	    }
  	  }
  	  function mixinEasy(cls, mixin) {
  	    mixinPropertiesEasy(mixin.prototype, cls.prototype);
  	    cls.prototype.constructor = cls;
  	  }
  	  function mixinHard(cls, mixin) {
  	    mixinPropertiesHard(mixin.prototype, cls.prototype);
  	    cls.prototype.constructor = cls;
  	  }
  	  function lazy(holder, name, getterName, initializer) {
  	    var uninitializedSentinel = holder;
  	    holder[name] = uninitializedSentinel;
  	    holder[getterName] = function() {
  	      if (holder[name] === uninitializedSentinel) {
  	        holder[name] = initializer();
  	      }
  	      holder[getterName] = function() {
  	        return this[name];
  	      };
  	      return holder[name];
  	    };
  	  }
  	  function lazyFinal(holder, name, getterName, initializer) {
  	    var uninitializedSentinel = holder;
  	    holder[name] = uninitializedSentinel;
  	    holder[getterName] = function() {
  	      if (holder[name] === uninitializedSentinel) {
  	        var value = initializer();
  	        if (holder[name] !== uninitializedSentinel) {
  	          A.throwLateFieldADI(name);
  	        }
  	        holder[name] = value;
  	      }
  	      var finalValue = holder[name];
  	      holder[getterName] = function() {
  	        return finalValue;
  	      };
  	      return finalValue;
  	    };
  	  }
  	  function makeConstList(list, rti) {
  	    if (rti != null)
  	      A._setArrayType(list, rti);
  	    list.$flags = 7;
  	    return list;
  	  }
  	  function convertToFastObject(properties) {
  	    return properties;
  	  }
  	  function convertAllToFastObject(arrayOfObjects) {
  	    for (var i = 0; i < arrayOfObjects.length; ++i) {
  	      convertToFastObject(arrayOfObjects[i]);
  	    }
  	  }
  	  function instanceTearOffGetter(isIntercepted, parameters) {
  	    var cache = null;
  	    return isIntercepted ? function(receiver) {
  	      if (cache === null)
  	        cache = A.closureFromTearOff(parameters);
  	      return new cache(receiver, this);
  	    } : function() {
  	      if (cache === null)
  	        cache = A.closureFromTearOff(parameters);
  	      return new cache(this, null);
  	    };
  	  }
  	  function staticTearOffGetter(parameters) {
  	    var cache = null;
  	    return function() {
  	      if (cache === null)
  	        cache = A.closureFromTearOff(parameters).prototype;
  	      return cache;
  	    };
  	  }
  	  var typesOffset = 0;
  	  function tearOffParameters(container, isStatic, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, needsDirectAccess) {
  	    if (typeof funType == "number") {
  	      funType += typesOffset;
  	    }
  	    return {co: container, iS: isStatic, iI: isIntercepted, rC: requiredParameterCount, dV: optionalParameterDefaultValues, cs: callNames, fs: funsOrNames, fT: funType, aI: applyIndex || 0, nDA: needsDirectAccess};
  	  }
  	  function installStaticTearOff(holder, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex) {
  	    var parameters = tearOffParameters(holder, true, false, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, false);
  	    var getterFunction = staticTearOffGetter(parameters);
  	    holder[getterName] = getterFunction;
  	  }
  	  function installInstanceTearOff(prototype, getterName, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, needsDirectAccess) {
  	    isIntercepted = !!isIntercepted;
  	    var parameters = tearOffParameters(prototype, false, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, !!needsDirectAccess);
  	    var getterFunction = instanceTearOffGetter(isIntercepted, parameters);
  	    prototype[getterName] = getterFunction;
  	  }
  	  function setOrUpdateInterceptorsByTag(newTags) {
  	    var tags = init.interceptorsByTag;
  	    if (!tags) {
  	      init.interceptorsByTag = newTags;
  	      return;
  	    }
  	    copyProperties(newTags, tags);
  	  }
  	  function setOrUpdateLeafTags(newTags) {
  	    var tags = init.leafTags;
  	    if (!tags) {
  	      init.leafTags = newTags;
  	      return;
  	    }
  	    copyProperties(newTags, tags);
  	  }
  	  function updateTypes(newTypes) {
  	    var types = init.types;
  	    var length = types.length;
  	    types.push.apply(types, newTypes);
  	    return length;
  	  }
  	  function updateHolder(holder, newHolder) {
  	    copyProperties(newHolder, holder);
  	    return holder;
  	  }
  	  var hunkHelpers = function() {
  	    var mkInstance = function(isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, applyIndex) {
  	        return function(container, getterName, name, funType) {
  	          return installInstanceTearOff(container, getterName, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, [name], funType, applyIndex, false);
  	        };
  	      },
  	      mkStatic = function(requiredParameterCount, optionalParameterDefaultValues, callNames, applyIndex) {
  	        return function(container, getterName, name, funType) {
  	          return installStaticTearOff(container, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, [name], funType, applyIndex);
  	        };
  	      };
  	    return {inherit: inherit, inheritMany: inheritMany, mixin: mixinEasy, mixinHard: mixinHard, installStaticTearOff: installStaticTearOff, installInstanceTearOff: installInstanceTearOff, _instance_0u: mkInstance(0, 0, null, ["call$0"], 0), _instance_1u: mkInstance(0, 1, null, ["call$1"], 0), _instance_2u: mkInstance(0, 2, null, ["call$2"], 0), _instance_0i: mkInstance(1, 0, null, ["call$0"], 0), _instance_1i: mkInstance(1, 1, null, ["call$1"], 0), _instance_2i: mkInstance(1, 2, null, ["call$2"], 0), _static_0: mkStatic(0, null, ["call$0"], 0), _static_1: mkStatic(1, null, ["call$1"], 0), _static_2: mkStatic(2, null, ["call$2"], 0), makeConstList: makeConstList, lazy: lazy, lazyFinal: lazyFinal, updateHolder: updateHolder, convertToFastObject: convertToFastObject, updateTypes: updateTypes, setOrUpdateInterceptorsByTag: setOrUpdateInterceptorsByTag, setOrUpdateLeafTags: setOrUpdateLeafTags};
  	  }();
  	  var J = {
  	    makeDispatchRecord(interceptor, proto, extension, indexability) {
  	      return {i: interceptor, p: proto, e: extension, x: indexability};
  	    },
  	    getNativeInterceptor(object) {
  	      var proto, objectProto, $constructor, interceptor, t1,
  	        record = object[init.dispatchPropertyName];
  	      if (record == null)
  	        if ($.initNativeDispatchFlag == null) {
  	          A.initNativeDispatch();
  	          record = object[init.dispatchPropertyName];
  	        }
  	      if (record != null) {
  	        proto = record.p;
  	        if (false === proto)
  	          return record.i;
  	        if (true === proto)
  	          return object;
  	        objectProto = Object.getPrototypeOf(object);
  	        if (proto === objectProto)
  	          return record.i;
  	        if (record.e === objectProto)
  	          throw A.wrapException(A.UnimplementedError$("Return interceptor for " + A.S(proto(object, record))));
  	      }
  	      $constructor = object.constructor;
  	      if ($constructor == null)
  	        interceptor = null;
  	      else {
  	        t1 = $._JS_INTEROP_INTERCEPTOR_TAG;
  	        if (t1 == null)
  	          t1 = $._JS_INTEROP_INTERCEPTOR_TAG = init.getIsolateTag("_$dart_js");
  	        interceptor = $constructor[t1];
  	      }
  	      if (interceptor != null)
  	        return interceptor;
  	      interceptor = A.lookupAndCacheInterceptor(object);
  	      if (interceptor != null)
  	        return interceptor;
  	      if (typeof object == "function")
  	        return B.JavaScriptFunction_methods;
  	      proto = Object.getPrototypeOf(object);
  	      if (proto == null)
  	        return B.PlainJavaScriptObject_methods;
  	      if (proto === Object.prototype)
  	        return B.PlainJavaScriptObject_methods;
  	      if (typeof $constructor == "function") {
  	        t1 = $._JS_INTEROP_INTERCEPTOR_TAG;
  	        if (t1 == null)
  	          t1 = $._JS_INTEROP_INTERCEPTOR_TAG = init.getIsolateTag("_$dart_js");
  	        Object.defineProperty($constructor, t1, {value: B.UnknownJavaScriptObject_methods, enumerable: false, writable: true, configurable: true});
  	        return B.UnknownJavaScriptObject_methods;
  	      }
  	      return B.UnknownJavaScriptObject_methods;
  	    },
  	    JSArray_JSArray$fixed($length, $E) {
  	      if ($length < 0 || $length > 4294967295)
  	        throw A.wrapException(A.RangeError$range($length, 0, 4294967295, "length", null));
  	      return J.JSArray_JSArray$markFixed(new Array($length), $E);
  	    },
  	    JSArray_JSArray$allocateFixed($length, $E) {
  	      if ($length > 4294967295)
  	        throw A.wrapException(A.RangeError$range($length, 0, 4294967295, "length", null));
  	      return J.JSArray_JSArray$markFixed(new Array($length), $E);
  	    },
  	    JSArray_JSArray$growable($length, $E) {
  	      if ($length < 0)
  	        throw A.wrapException(A.ArgumentError$("Length must be a non-negative integer: " + $length, null));
  	      return A._setArrayType(new Array($length), $E._eval$1("JSArray<0>"));
  	    },
  	    JSArray_JSArray$allocateGrowable($length, $E) {
  	      if ($length < 0)
  	        throw A.wrapException(A.ArgumentError$("Length must be a non-negative integer: " + $length, null));
  	      return A._setArrayType(new Array($length), $E._eval$1("JSArray<0>"));
  	    },
  	    JSArray_JSArray$markFixed(allocation, $E) {
  	      var t1 = A._setArrayType(allocation, $E._eval$1("JSArray<0>"));
  	      t1.$flags = 1;
  	      return t1;
  	    },
  	    JSArray__compareAny(a, b) {
  	      return J.compareTo$1$ns(a, b);
  	    },
  	    JSString__isWhitespace(codeUnit) {
  	      if (codeUnit < 256)
  	        switch (codeUnit) {
  	          case 9:
  	          case 10:
  	          case 11:
  	          case 12:
  	          case 13:
  	          case 32:
  	          case 133:
  	          case 160:
  	            return true;
  	          default:
  	            return false;
  	        }
  	      switch (codeUnit) {
  	        case 5760:
  	        case 8192:
  	        case 8193:
  	        case 8194:
  	        case 8195:
  	        case 8196:
  	        case 8197:
  	        case 8198:
  	        case 8199:
  	        case 8200:
  	        case 8201:
  	        case 8202:
  	        case 8232:
  	        case 8233:
  	        case 8239:
  	        case 8287:
  	        case 12288:
  	        case 65279:
  	          return true;
  	        default:
  	          return false;
  	      }
  	    },
  	    JSString__skipLeadingWhitespace(string, index) {
  	      var t1, codeUnit;
  	      for (t1 = string.length; index < t1;) {
  	        codeUnit = string.charCodeAt(index);
  	        if (codeUnit !== 32 && codeUnit !== 13 && !J.JSString__isWhitespace(codeUnit))
  	          break;
  	        ++index;
  	      }
  	      return index;
  	    },
  	    JSString__skipTrailingWhitespace(string, index) {
  	      var index0, codeUnit;
  	      for (; index > 0; index = index0) {
  	        index0 = index - 1;
  	        codeUnit = string.charCodeAt(index0);
  	        if (codeUnit !== 32 && codeUnit !== 13 && !J.JSString__isWhitespace(codeUnit))
  	          break;
  	      }
  	      return index;
  	    },
  	    getInterceptor$(receiver) {
  	      if (typeof receiver == "number") {
  	        if (Math.floor(receiver) == receiver)
  	          return J.JSInt.prototype;
  	        return J.JSNumNotInt.prototype;
  	      }
  	      if (typeof receiver == "string")
  	        return J.JSString.prototype;
  	      if (receiver == null)
  	        return J.JSNull.prototype;
  	      if (typeof receiver == "boolean")
  	        return J.JSBool.prototype;
  	      if (Array.isArray(receiver))
  	        return J.JSArray.prototype;
  	      if (typeof receiver != "object") {
  	        if (typeof receiver == "function")
  	          return J.JavaScriptFunction.prototype;
  	        if (typeof receiver == "symbol")
  	          return J.JavaScriptSymbol.prototype;
  	        if (typeof receiver == "bigint")
  	          return J.JavaScriptBigInt.prototype;
  	        return receiver;
  	      }
  	      if (receiver instanceof A.Object)
  	        return receiver;
  	      return J.getNativeInterceptor(receiver);
  	    },
  	    getInterceptor$ansx(receiver) {
  	      if (typeof receiver == "number")
  	        return J.JSNumber.prototype;
  	      if (typeof receiver == "string")
  	        return J.JSString.prototype;
  	      if (receiver == null)
  	        return receiver;
  	      if (Array.isArray(receiver))
  	        return J.JSArray.prototype;
  	      if (typeof receiver != "object") {
  	        if (typeof receiver == "function")
  	          return J.JavaScriptFunction.prototype;
  	        if (typeof receiver == "symbol")
  	          return J.JavaScriptSymbol.prototype;
  	        if (typeof receiver == "bigint")
  	          return J.JavaScriptBigInt.prototype;
  	        return receiver;
  	      }
  	      if (receiver instanceof A.Object)
  	        return receiver;
  	      return J.getNativeInterceptor(receiver);
  	    },
  	    getInterceptor$asx(receiver) {
  	      if (typeof receiver == "string")
  	        return J.JSString.prototype;
  	      if (receiver == null)
  	        return receiver;
  	      if (Array.isArray(receiver))
  	        return J.JSArray.prototype;
  	      if (typeof receiver != "object") {
  	        if (typeof receiver == "function")
  	          return J.JavaScriptFunction.prototype;
  	        if (typeof receiver == "symbol")
  	          return J.JavaScriptSymbol.prototype;
  	        if (typeof receiver == "bigint")
  	          return J.JavaScriptBigInt.prototype;
  	        return receiver;
  	      }
  	      if (receiver instanceof A.Object)
  	        return receiver;
  	      return J.getNativeInterceptor(receiver);
  	    },
  	    getInterceptor$ax(receiver) {
  	      if (receiver == null)
  	        return receiver;
  	      if (Array.isArray(receiver))
  	        return J.JSArray.prototype;
  	      if (typeof receiver != "object") {
  	        if (typeof receiver == "function")
  	          return J.JavaScriptFunction.prototype;
  	        if (typeof receiver == "symbol")
  	          return J.JavaScriptSymbol.prototype;
  	        if (typeof receiver == "bigint")
  	          return J.JavaScriptBigInt.prototype;
  	        return receiver;
  	      }
  	      if (receiver instanceof A.Object)
  	        return receiver;
  	      return J.getNativeInterceptor(receiver);
  	    },
  	    getInterceptor$in(receiver) {
  	      if (typeof receiver == "number") {
  	        if (Math.floor(receiver) == receiver)
  	          return J.JSInt.prototype;
  	        return J.JSNumNotInt.prototype;
  	      }
  	      if (receiver == null)
  	        return receiver;
  	      if (!(receiver instanceof A.Object))
  	        return J.UnknownJavaScriptObject.prototype;
  	      return receiver;
  	    },
  	    getInterceptor$ns(receiver) {
  	      if (typeof receiver == "number")
  	        return J.JSNumber.prototype;
  	      if (typeof receiver == "string")
  	        return J.JSString.prototype;
  	      if (receiver == null)
  	        return receiver;
  	      if (!(receiver instanceof A.Object))
  	        return J.UnknownJavaScriptObject.prototype;
  	      return receiver;
  	    },
  	    getInterceptor$s(receiver) {
  	      if (typeof receiver == "string")
  	        return J.JSString.prototype;
  	      if (receiver == null)
  	        return receiver;
  	      if (!(receiver instanceof A.Object))
  	        return J.UnknownJavaScriptObject.prototype;
  	      return receiver;
  	    },
  	    getInterceptor$x(receiver) {
  	      if (receiver == null)
  	        return receiver;
  	      if (typeof receiver != "object") {
  	        if (typeof receiver == "function")
  	          return J.JavaScriptFunction.prototype;
  	        if (typeof receiver == "symbol")
  	          return J.JavaScriptSymbol.prototype;
  	        if (typeof receiver == "bigint")
  	          return J.JavaScriptBigInt.prototype;
  	        return receiver;
  	      }
  	      if (receiver instanceof A.Object)
  	        return receiver;
  	      return J.getNativeInterceptor(receiver);
  	    },
  	    getInterceptor$z(receiver) {
  	      if (receiver == null)
  	        return receiver;
  	      if (!(receiver instanceof A.Object))
  	        return J.UnknownJavaScriptObject.prototype;
  	      return receiver;
  	    },
  	    set$AsyncCompiler$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$AsyncCompiler(receiver, value);
  	    },
  	    set$CalculationInterpolation$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$CalculationInterpolation(receiver, value);
  	    },
  	    set$CalculationOperation$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$CalculationOperation(receiver, value);
  	    },
  	    set$Compiler$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$Compiler(receiver, value);
  	    },
  	    set$Exception$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$Exception(receiver, value);
  	    },
  	    set$FALSE$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$FALSE(receiver, value);
  	    },
  	    set$Logger$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$Logger(receiver, value);
  	    },
  	    set$NULL$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$NULL(receiver, value);
  	    },
  	    set$NodePackageImporter$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$NodePackageImporter(receiver, value);
  	    },
  	    set$SassArgumentList$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassArgumentList(receiver, value);
  	    },
  	    set$SassBoolean$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassBoolean(receiver, value);
  	    },
  	    set$SassCalculation$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassCalculation(receiver, value);
  	    },
  	    set$SassColor$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassColor(receiver, value);
  	    },
  	    set$SassFunction$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassFunction(receiver, value);
  	    },
  	    set$SassList$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassList(receiver, value);
  	    },
  	    set$SassMap$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassMap(receiver, value);
  	    },
  	    set$SassMixin$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassMixin(receiver, value);
  	    },
  	    set$SassNumber$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassNumber(receiver, value);
  	    },
  	    set$SassString$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$SassString(receiver, value);
  	    },
  	    set$TRUE$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$TRUE(receiver, value);
  	    },
  	    set$Value$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$Value(receiver, value);
  	    },
  	    set$Version$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$Version(receiver, value);
  	    },
  	    set$cli_pkg_main_0_$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$cli_pkg_main_0_(receiver, value);
  	    },
  	    set$compile$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$compile(receiver, value);
  	    },
  	    set$compileAsync$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$compileAsync(receiver, value);
  	    },
  	    set$compileString$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$compileString(receiver, value);
  	    },
  	    set$compileStringAsync$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$compileStringAsync(receiver, value);
  	    },
  	    set$context$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$context(receiver, value);
  	    },
  	    set$dartValue$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$dartValue(receiver, value);
  	    },
  	    set$deprecations$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$deprecations(receiver, value);
  	    },
  	    set$exitCode$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$exitCode(receiver, value);
  	    },
  	    set$info$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$info(receiver, value);
  	    },
  	    set$initAsyncCompiler$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$initAsyncCompiler(receiver, value);
  	    },
  	    set$initCompiler$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$initCompiler(receiver, value);
  	    },
  	    set$length$asx(receiver, value) {
  	      return J.getInterceptor$asx(receiver).set$length(receiver, value);
  	    },
  	    set$loadParserExports_$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$loadParserExports_(receiver, value);
  	    },
  	    set$render$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$render(receiver, value);
  	    },
  	    set$renderSync$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$renderSync(receiver, value);
  	    },
  	    set$sassFalse$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$sassFalse(receiver, value);
  	    },
  	    set$sassNull$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$sassNull(receiver, value);
  	    },
  	    set$sassTrue$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$sassTrue(receiver, value);
  	    },
  	    set$types$x(receiver, value) {
  	      return J.getInterceptor$x(receiver).set$types(receiver, value);
  	    },
  	    get$$prototype$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$$prototype(receiver);
  	    },
  	    get$_dartException$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$_dartException(receiver);
  	    },
  	    get$alertAscii$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$alertAscii(receiver);
  	    },
  	    get$alertColor$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$alertColor(receiver);
  	    },
  	    get$argv$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$argv(receiver);
  	    },
  	    get$brackets$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$brackets(receiver);
  	    },
  	    get$charset$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$charset(receiver);
  	    },
  	    get$code$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$code(receiver);
  	    },
  	    get$current$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$current(receiver);
  	    },
  	    get$dartValue$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$dartValue(receiver);
  	    },
  	    get$debug$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$debug(receiver);
  	    },
  	    get$denominatorUnits$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$denominatorUnits(receiver);
  	    },
  	    get$env$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$env(receiver);
  	    },
  	    get$exitCode$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$exitCode(receiver);
  	    },
  	    get$fatalDeprecations$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$fatalDeprecations(receiver);
  	    },
  	    get$fiber$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$fiber(receiver);
  	    },
  	    get$file$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$file(receiver);
  	    },
  	    get$filename$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$filename(receiver);
  	    },
  	    get$first$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).get$first(receiver);
  	    },
  	    get$functions$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$functions(receiver);
  	    },
  	    get$futureDeprecations$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$futureDeprecations(receiver);
  	    },
  	    get$hashCode$(receiver) {
  	      return J.getInterceptor$(receiver).get$hashCode(receiver);
  	    },
  	    get$id$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$id(receiver);
  	    },
  	    get$importer$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$importer(receiver);
  	    },
  	    get$importers$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$importers(receiver);
  	    },
  	    get$isEmpty$asx(receiver) {
  	      return J.getInterceptor$asx(receiver).get$isEmpty(receiver);
  	    },
  	    get$isNotEmpty$asx(receiver) {
  	      return J.getInterceptor$asx(receiver).get$isNotEmpty(receiver);
  	    },
  	    get$isTTY$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$isTTY(receiver);
  	    },
  	    get$iterator$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).get$iterator(receiver);
  	    },
  	    get$last$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).get$last(receiver);
  	    },
  	    get$length$asx(receiver) {
  	      return J.getInterceptor$asx(receiver).get$length(receiver);
  	    },
  	    get$loadPaths$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$loadPaths(receiver);
  	    },
  	    get$logger$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$logger(receiver);
  	    },
  	    get$message$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$message(receiver);
  	    },
  	    get$method$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$method(receiver);
  	    },
  	    get$mtime$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$mtime(receiver);
  	    },
  	    get$name$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$name(receiver);
  	    },
  	    get$numeratorUnits$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$numeratorUnits(receiver);
  	    },
  	    get$options$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$options(receiver);
  	    },
  	    get$parent$z(receiver) {
  	      return J.getInterceptor$z(receiver).get$parent(receiver);
  	    },
  	    get$path$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$path(receiver);
  	    },
  	    get$platform$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$platform(receiver);
  	    },
  	    get$quietDeps$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$quietDeps(receiver);
  	    },
  	    get$quotes$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$quotes(receiver);
  	    },
  	    get$realpathSync$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$realpathSync(receiver);
  	    },
  	    get$release$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$release(receiver);
  	    },
  	    get$reversed$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).get$reversed(receiver);
  	    },
  	    get$runtimeType$(receiver) {
  	      return J.getInterceptor$(receiver).get$runtimeType(receiver);
  	    },
  	    get$separator$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$separator(receiver);
  	    },
  	    get$sign$in(receiver) {
  	      if (typeof receiver === "number")
  	        return receiver > 0 ? 1 : receiver < 0 ? -1 : receiver;
  	      return J.getInterceptor$in(receiver).get$sign(receiver);
  	    },
  	    get$silenceDeprecations$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$silenceDeprecations(receiver);
  	    },
  	    get$single$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).get$single(receiver);
  	    },
  	    get$sourceMap$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$sourceMap(receiver);
  	    },
  	    get$sourceMapIncludeSources$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$sourceMapIncludeSources(receiver);
  	    },
  	    get$space$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$space(receiver);
  	    },
  	    get$span$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$span(receiver);
  	    },
  	    get$stderr$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$stderr(receiver);
  	    },
  	    get$stdout$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$stdout(receiver);
  	    },
  	    get$style$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$style(receiver);
  	    },
  	    get$syntax$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$syntax(receiver);
  	    },
  	    get$trace$z(receiver) {
  	      return J.getInterceptor$z(receiver).get$trace(receiver);
  	    },
  	    get$url$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$url(receiver);
  	    },
  	    get$verbose$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$verbose(receiver);
  	    },
  	    get$warn$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$warn(receiver);
  	    },
  	    get$weight$x(receiver) {
  	      return J.getInterceptor$x(receiver).get$weight(receiver);
  	    },
  	    $add$ansx(receiver, a0) {
  	      if (typeof receiver == "number" && typeof a0 == "number")
  	        return receiver + a0;
  	      return J.getInterceptor$ansx(receiver).$add(receiver, a0);
  	    },
  	    $eq$(receiver, a0) {
  	      if (receiver == null)
  	        return a0 == null;
  	      if (typeof receiver != "object")
  	        return a0 != null && receiver === a0;
  	      return J.getInterceptor$(receiver).$eq(receiver, a0);
  	    },
  	    $index$asx(receiver, a0) {
  	      if (typeof a0 === "number")
  	        if (Array.isArray(receiver) || typeof receiver == "string" || A.isJsIndexable(receiver, receiver[init.dispatchPropertyName]))
  	          if (a0 >>> 0 === a0 && a0 < receiver.length)
  	            return receiver[a0];
  	      return J.getInterceptor$asx(receiver).$index(receiver, a0);
  	    },
  	    $indexSet$ax(receiver, a0, a1) {
  	      if (typeof a0 === "number")
  	        if ((Array.isArray(receiver) || A.isJsIndexable(receiver, receiver[init.dispatchPropertyName])) && !(receiver.$flags & 2) && a0 >>> 0 === a0 && a0 < receiver.length)
  	          return receiver[a0] = a1;
  	      return J.getInterceptor$ax(receiver).$indexSet(receiver, a0, a1);
  	    },
  	    $set$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).$set$2(receiver, a0, a1);
  	    },
  	    add$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).add$1(receiver, a0);
  	    },
  	    addAll$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).addAll$1(receiver, a0);
  	    },
  	    allMatches$1$s(receiver, a0) {
  	      return J.getInterceptor$s(receiver).allMatches$1(receiver, a0);
  	    },
  	    allMatches$2$s(receiver, a0, a1) {
  	      return J.getInterceptor$s(receiver).allMatches$2(receiver, a0, a1);
  	    },
  	    any$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).any$1(receiver, a0);
  	    },
  	    apply$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).apply$2(receiver, a0, a1);
  	    },
  	    asImmutable$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).asImmutable$0(receiver);
  	    },
  	    asMutable$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).asMutable$0(receiver);
  	    },
  	    canonicalize$4$baseImporter$baseUrl$forImport$x(receiver, a0, a1, a2, a3) {
  	      return J.getInterceptor$x(receiver).canonicalize$4$baseImporter$baseUrl$forImport(receiver, a0, a1, a2, a3);
  	    },
  	    cast$1$0$ax(receiver, $T1) {
  	      return J.getInterceptor$ax(receiver).cast$1$0(receiver, $T1);
  	    },
  	    close$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).close$0(receiver);
  	    },
  	    codeUnitAt$1$s(receiver, a0) {
  	      return J.getInterceptor$s(receiver).codeUnitAt$1(receiver, a0);
  	    },
  	    compareTo$1$ns(receiver, a0) {
  	      return J.getInterceptor$ns(receiver).compareTo$1(receiver, a0);
  	    },
  	    contains$1$asx(receiver, a0) {
  	      return J.getInterceptor$asx(receiver).contains$1(receiver, a0);
  	    },
  	    createInterface$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).createInterface$1(receiver, a0);
  	    },
  	    createRequire$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).createRequire$1(receiver, a0);
  	    },
  	    elementAt$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).elementAt$1(receiver, a0);
  	    },
  	    error$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).error$1(receiver, a0);
  	    },
  	    every$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).every$1(receiver, a0);
  	    },
  	    existsSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).existsSync$1(receiver, a0);
  	    },
  	    expand$1$1$ax(receiver, a0, $T1) {
  	      return J.getInterceptor$ax(receiver).expand$1$1(receiver, a0, $T1);
  	    },
  	    fillRange$3$ax(receiver, a0, a1, a2) {
  	      return J.getInterceptor$ax(receiver).fillRange$3(receiver, a0, a1, a2);
  	    },
  	    fold$2$ax(receiver, a0, a1) {
  	      return J.getInterceptor$ax(receiver).fold$2(receiver, a0, a1);
  	    },
  	    forEach$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).forEach$1(receiver, a0);
  	    },
  	    getRange$2$ax(receiver, a0, a1) {
  	      return J.getInterceptor$ax(receiver).getRange$2(receiver, a0, a1);
  	    },
  	    getTime$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).getTime$0(receiver);
  	    },
  	    isDirectory$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).isDirectory$0(receiver);
  	    },
  	    isFile$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).isFile$0(receiver);
  	    },
  	    isSymbolicLink$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).isSymbolicLink$0(receiver);
  	    },
  	    join$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).join$1(receiver, a0);
  	    },
  	    log$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).log$1(receiver, a0);
  	    },
  	    lstatSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).lstatSync$1(receiver, a0);
  	    },
  	    map$1$1$ax(receiver, a0, $T1) {
  	      return J.getInterceptor$ax(receiver).map$1$1(receiver, a0, $T1);
  	    },
  	    matchAsPrefix$2$s(receiver, a0, a1) {
  	      return J.getInterceptor$s(receiver).matchAsPrefix$2(receiver, a0, a1);
  	    },
  	    mkdirSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).mkdirSync$1(receiver, a0);
  	    },
  	    native$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).native$1(receiver, a0);
  	    },
  	    noSuchMethod$1$(receiver, a0) {
  	      return J.getInterceptor$(receiver).noSuchMethod$1(receiver, a0);
  	    },
  	    on$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).on$2(receiver, a0, a1);
  	    },
  	    parse$0$z(receiver) {
  	      return J.getInterceptor$z(receiver).parse$0(receiver);
  	    },
  	    readFileSync$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).readFileSync$2(receiver, a0, a1);
  	    },
  	    readdirSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).readdirSync$1(receiver, a0);
  	    },
  	    removeRange$2$ax(receiver, a0, a1) {
  	      return J.getInterceptor$ax(receiver).removeRange$2(receiver, a0, a1);
  	    },
  	    replaceFirst$2$s(receiver, a0, a1) {
  	      return J.getInterceptor$s(receiver).replaceFirst$2(receiver, a0, a1);
  	    },
  	    resolve$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).resolve$1(receiver, a0);
  	    },
  	    run$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).run$0(receiver);
  	    },
  	    run$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).run$1(receiver, a0);
  	    },
  	    setRange$4$ax(receiver, a0, a1, a2, a3) {
  	      return J.getInterceptor$ax(receiver).setRange$4(receiver, a0, a1, a2, a3);
  	    },
  	    skip$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).skip$1(receiver, a0);
  	    },
  	    sort$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).sort$1(receiver, a0);
  	    },
  	    startsWith$1$s(receiver, a0) {
  	      return J.getInterceptor$s(receiver).startsWith$1(receiver, a0);
  	    },
  	    statSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).statSync$1(receiver, a0);
  	    },
  	    sublist$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).sublist$1(receiver, a0);
  	    },
  	    substring$2$s(receiver, a0, a1) {
  	      return J.getInterceptor$s(receiver).substring$2(receiver, a0, a1);
  	    },
  	    take$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).take$1(receiver, a0);
  	    },
  	    then$1$2$onError$x(receiver, a0, a1, $T1) {
  	      return J.getInterceptor$x(receiver).then$1$2$onError(receiver, a0, a1, $T1);
  	    },
  	    then$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).then$2(receiver, a0, a1);
  	    },
  	    toArray$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).toArray$0(receiver);
  	    },
  	    toList$0$ax(receiver) {
  	      return J.getInterceptor$ax(receiver).toList$0(receiver);
  	    },
  	    toString$0$(receiver) {
  	      return J.getInterceptor$(receiver).toString$0(receiver);
  	    },
  	    toString$1$color$(receiver, a0) {
  	      return J.getInterceptor$(receiver).toString$1$color(receiver, a0);
  	    },
  	    trim$0$s(receiver) {
  	      return J.getInterceptor$s(receiver).trim$0(receiver);
  	    },
  	    unlinkSync$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).unlinkSync$1(receiver, a0);
  	    },
  	    visitAtRootRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitAtRootRule$1(receiver, a0);
  	    },
  	    visitAtRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitAtRule$1(receiver, a0);
  	    },
  	    visitAttributeSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitAttributeSelector$1(receiver, a0);
  	    },
  	    visitBinaryOperationExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitBinaryOperationExpression$1(receiver, a0);
  	    },
  	    visitBooleanExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitBooleanExpression$1(receiver, a0);
  	    },
  	    visitClassSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitClassSelector$1(receiver, a0);
  	    },
  	    visitColorExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitColorExpression$1(receiver, a0);
  	    },
  	    visitContentBlock$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitContentBlock$1(receiver, a0);
  	    },
  	    visitContentRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitContentRule$1(receiver, a0);
  	    },
  	    visitDebugRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitDebugRule$1(receiver, a0);
  	    },
  	    visitDeclaration$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitDeclaration$1(receiver, a0);
  	    },
  	    visitEachRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitEachRule$1(receiver, a0);
  	    },
  	    visitErrorRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitErrorRule$1(receiver, a0);
  	    },
  	    visitExtendRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitExtendRule$1(receiver, a0);
  	    },
  	    visitForRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitForRule$1(receiver, a0);
  	    },
  	    visitForwardRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitForwardRule$1(receiver, a0);
  	    },
  	    visitFunctionExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitFunctionExpression$1(receiver, a0);
  	    },
  	    visitFunctionRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitFunctionRule$1(receiver, a0);
  	    },
  	    visitIDSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIDSelector$1(receiver, a0);
  	    },
  	    visitIfConditionFunction$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionFunction$1(receiver, a0);
  	    },
  	    visitIfConditionNegation$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionNegation$1(receiver, a0);
  	    },
  	    visitIfConditionOperation$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionOperation$1(receiver, a0);
  	    },
  	    visitIfConditionParenthesized$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionParenthesized$1(receiver, a0);
  	    },
  	    visitIfConditionRaw$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionRaw$1(receiver, a0);
  	    },
  	    visitIfConditionSass$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfConditionSass$1(receiver, a0);
  	    },
  	    visitIfExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfExpression$1(receiver, a0);
  	    },
  	    visitIfRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIfRule$1(receiver, a0);
  	    },
  	    visitImportRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitImportRule$1(receiver, a0);
  	    },
  	    visitIncludeRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitIncludeRule$1(receiver, a0);
  	    },
  	    visitInterpolatedFunctionExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitInterpolatedFunctionExpression$1(receiver, a0);
  	    },
  	    visitLegacyIfExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitLegacyIfExpression$1(receiver, a0);
  	    },
  	    visitListExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitListExpression$1(receiver, a0);
  	    },
  	    visitLoudComment$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitLoudComment$1(receiver, a0);
  	    },
  	    visitMapExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitMapExpression$1(receiver, a0);
  	    },
  	    visitMediaRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitMediaRule$1(receiver, a0);
  	    },
  	    visitMixinRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitMixinRule$1(receiver, a0);
  	    },
  	    visitNullExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitNullExpression$1(receiver, a0);
  	    },
  	    visitNumberExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitNumberExpression$1(receiver, a0);
  	    },
  	    visitParentSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitParentSelector$1(receiver, a0);
  	    },
  	    visitParenthesizedExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitParenthesizedExpression$1(receiver, a0);
  	    },
  	    visitPlaceholderSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitPlaceholderSelector$1(receiver, a0);
  	    },
  	    visitPseudoSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitPseudoSelector$1(receiver, a0);
  	    },
  	    visitReturnRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitReturnRule$1(receiver, a0);
  	    },
  	    visitSelectorExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitSelectorExpression$1(receiver, a0);
  	    },
  	    visitSilentComment$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitSilentComment$1(receiver, a0);
  	    },
  	    visitStringExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitStringExpression$1(receiver, a0);
  	    },
  	    visitStyleRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitStyleRule$1(receiver, a0);
  	    },
  	    visitStylesheet$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitStylesheet$1(receiver, a0);
  	    },
  	    visitSupportsExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitSupportsExpression$1(receiver, a0);
  	    },
  	    visitSupportsRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitSupportsRule$1(receiver, a0);
  	    },
  	    visitTypeSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitTypeSelector$1(receiver, a0);
  	    },
  	    visitUnaryOperationExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitUnaryOperationExpression$1(receiver, a0);
  	    },
  	    visitUniversalSelector$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitUniversalSelector$1(receiver, a0);
  	    },
  	    visitUseRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitUseRule$1(receiver, a0);
  	    },
  	    visitValueExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitValueExpression$1(receiver, a0);
  	    },
  	    visitVariableDeclaration$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitVariableDeclaration$1(receiver, a0);
  	    },
  	    visitVariableExpression$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitVariableExpression$1(receiver, a0);
  	    },
  	    visitWarnRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitWarnRule$1(receiver, a0);
  	    },
  	    visitWhileRule$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).visitWhileRule$1(receiver, a0);
  	    },
  	    watch$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).watch$2(receiver, a0, a1);
  	    },
  	    where$1$ax(receiver, a0) {
  	      return J.getInterceptor$ax(receiver).where$1(receiver, a0);
  	    },
  	    write$1$x(receiver, a0) {
  	      return J.getInterceptor$x(receiver).write$1(receiver, a0);
  	    },
  	    writeFileSync$2$x(receiver, a0, a1) {
  	      return J.getInterceptor$x(receiver).writeFileSync$2(receiver, a0, a1);
  	    },
  	    yield$0$x(receiver) {
  	      return J.getInterceptor$x(receiver).yield$0(receiver);
  	    },
  	    Interceptor: function Interceptor() {
  	    },
  	    JSBool: function JSBool() {
  	    },
  	    JSNull: function JSNull() {
  	    },
  	    JavaScriptObject: function JavaScriptObject() {
  	    },
  	    LegacyJavaScriptObject: function LegacyJavaScriptObject() {
  	    },
  	    PlainJavaScriptObject: function PlainJavaScriptObject() {
  	    },
  	    UnknownJavaScriptObject: function UnknownJavaScriptObject() {
  	    },
  	    JavaScriptFunction: function JavaScriptFunction() {
  	    },
  	    JavaScriptBigInt: function JavaScriptBigInt() {
  	    },
  	    JavaScriptSymbol: function JavaScriptSymbol() {
  	    },
  	    JSArray: function JSArray(t0) {
  	      this.$ti = t0;
  	    },
  	    JSArraySafeToStringHook: function JSArraySafeToStringHook() {
  	    },
  	    JSUnmodifiableArray: function JSUnmodifiableArray(t0) {
  	      this.$ti = t0;
  	    },
  	    ArrayIterator: function ArrayIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._iterable = t0;
  	      _._length = t1;
  	      _._index = 0;
  	      _._current = null;
  	      _.$ti = t2;
  	    },
  	    JSNumber: function JSNumber() {
  	    },
  	    JSInt: function JSInt() {
  	    },
  	    JSNumNotInt: function JSNumNotInt() {
  	    },
  	    JSString: function JSString() {
  	    }
  	  },
  	  A = {JS_CONST: function JS_CONST() {
  	    },
  	    CastIterable_CastIterable(source, $S, $T) {
  	      if (type$.EfficientLengthIterable_dynamic._is(source))
  	        return new A._EfficientLengthCastIterable(source, $S._eval$1("@<0>")._bind$1($T)._eval$1("_EfficientLengthCastIterable<1,2>"));
  	      return new A.CastIterable(source, $S._eval$1("@<0>")._bind$1($T)._eval$1("CastIterable<1,2>"));
  	    },
  	    LateError$fieldADI(fieldName) {
  	      return new A.LateError("Field '" + fieldName + "' has been assigned during initialization.");
  	    },
  	    LateError$fieldNI(fieldName) {
  	      return new A.LateError("Field '" + fieldName + "' has not been initialized.");
  	    },
  	    LateError$localNI(localName) {
  	      return new A.LateError("Local '" + localName + "' has not been initialized.");
  	    },
  	    LateError$fieldAI(fieldName) {
  	      return new A.LateError("Field '" + fieldName + "' has already been initialized.");
  	    },
  	    hexDigitValue(char) {
  	      var letter,
  	        digit = char ^ 48;
  	      if (digit <= 9)
  	        return digit;
  	      letter = char | 32;
  	      if (97 <= letter && letter <= 102)
  	        return letter - 87;
  	      return -1;
  	    },
  	    SystemHash_combine(hash, value) {
  	      hash = hash + value & 536870911;
  	      hash = hash + ((hash & 524287) << 10) & 536870911;
  	      return hash ^ hash >>> 6;
  	    },
  	    SystemHash_finish(hash) {
  	      hash = hash + ((hash & 67108863) << 3) & 536870911;
  	      hash ^= hash >>> 11;
  	      return hash + ((hash & 16383) << 15) & 536870911;
  	    },
  	    checkNotNullable(value, $name, $T) {
  	      return value;
  	    },
  	    isToStringVisiting(object) {
  	      var t1, i;
  	      for (t1 = $._toStringVisiting.length, i = 0; i < t1; ++i)
  	        if (object === $._toStringVisiting[i])
  	          return true;
  	      return false;
  	    },
  	    SubListIterable$(_iterable, _start, _endOrLength, $E) {
  	      A.RangeError_checkNotNegative(_start, "start");
  	      if (_endOrLength != null) {
  	        A.RangeError_checkNotNegative(_endOrLength, "end");
  	        if (_start > _endOrLength)
  	          A.throwExpression(A.RangeError$range(_start, 0, _endOrLength, "start", null));
  	      }
  	      return new A.SubListIterable(_iterable, _start, _endOrLength, $E._eval$1("SubListIterable<0>"));
  	    },
  	    MappedIterable_MappedIterable(iterable, $function, $S, $T) {
  	      if (type$.EfficientLengthIterable_dynamic._is(iterable))
  	        return new A.EfficientLengthMappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
  	      return new A.MappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("MappedIterable<1,2>"));
  	    },
  	    TakeIterable_TakeIterable(iterable, takeCount, $E) {
  	      var _s9_ = "takeCount";
  	      A.ArgumentError_checkNotNull(takeCount, _s9_);
  	      A.RangeError_checkNotNegative(takeCount, _s9_);
  	      if (type$.EfficientLengthIterable_dynamic._is(iterable))
  	        return new A.EfficientLengthTakeIterable(iterable, takeCount, $E._eval$1("EfficientLengthTakeIterable<0>"));
  	      return new A.TakeIterable(iterable, takeCount, $E._eval$1("TakeIterable<0>"));
  	    },
  	    SkipIterable_SkipIterable(iterable, count, $E) {
  	      var _s5_ = "count";
  	      if (type$.EfficientLengthIterable_dynamic._is(iterable)) {
  	        A.ArgumentError_checkNotNull(count, _s5_);
  	        A.RangeError_checkNotNegative(count, _s5_);
  	        return new A.EfficientLengthSkipIterable(iterable, count, $E._eval$1("EfficientLengthSkipIterable<0>"));
  	      }
  	      A.ArgumentError_checkNotNull(count, _s5_);
  	      A.RangeError_checkNotNegative(count, _s5_);
  	      return new A.SkipIterable(iterable, count, $E._eval$1("SkipIterable<0>"));
  	    },
  	    FollowedByIterable_FollowedByIterable$firstEfficient(first, second, $E) {
  	      if (type$.EfficientLengthIterable_dynamic._is(second))
  	        return new A.EfficientLengthFollowedByIterable(first, second, $E._eval$1("EfficientLengthFollowedByIterable<0>"));
  	      return new A.FollowedByIterable(first, second, $E._eval$1("FollowedByIterable<0>"));
  	    },
  	    IterableElementError_noElement() {
  	      return new A.StateError("No element");
  	    },
  	    IterableElementError_tooMany() {
  	      return new A.StateError("Too many elements");
  	    },
  	    IterableElementError_tooFew() {
  	      return new A.StateError("Too few elements");
  	    },
  	    Sort__doSort(a, left, right, compare) {
  	      if (right - left <= 32)
  	        A.Sort__insertionSort(a, left, right, compare);
  	      else
  	        A.Sort__dualPivotQuicksort(a, left, right, compare);
  	    },
  	    Sort__insertionSort(a, left, right, compare) {
  	      var i, t1, el, j, j0;
  	      for (i = left + 1, t1 = J.getInterceptor$asx(a); i <= right; ++i) {
  	        el = t1.$index(a, i);
  	        j = i;
  	        for (;;) {
  	          if (!(j > left && compare.call$2(t1.$index(a, j - 1), el) > 0))
  	            break;
  	          j0 = j - 1;
  	          t1.$indexSet(a, j, t1.$index(a, j0));
  	          j = j0;
  	        }
  	        t1.$indexSet(a, j, el);
  	      }
  	    },
  	    Sort__dualPivotQuicksort(a, left, right, compare) {
  	      var t0, less, great, pivots_are_equal, k, ak, comp, great0, less0, t2,
  	        sixth = B.JSInt_methods._tdivFast$1(right - left + 1, 6),
  	        index1 = left + sixth,
  	        index5 = right - sixth,
  	        index3 = B.JSInt_methods._tdivFast$1(left + right, 2),
  	        index2 = index3 - sixth,
  	        index4 = index3 + sixth,
  	        t1 = J.getInterceptor$asx(a),
  	        el1 = t1.$index(a, index1),
  	        el2 = t1.$index(a, index2),
  	        el3 = t1.$index(a, index3),
  	        el4 = t1.$index(a, index4),
  	        el5 = t1.$index(a, index5);
  	      if (compare.call$2(el1, el2) > 0) {
  	        t0 = el2;
  	        el2 = el1;
  	        el1 = t0;
  	      }
  	      if (compare.call$2(el4, el5) > 0) {
  	        t0 = el5;
  	        el5 = el4;
  	        el4 = t0;
  	      }
  	      if (compare.call$2(el1, el3) > 0) {
  	        t0 = el3;
  	        el3 = el1;
  	        el1 = t0;
  	      }
  	      if (compare.call$2(el2, el3) > 0) {
  	        t0 = el3;
  	        el3 = el2;
  	        el2 = t0;
  	      }
  	      if (compare.call$2(el1, el4) > 0) {
  	        t0 = el4;
  	        el4 = el1;
  	        el1 = t0;
  	      }
  	      if (compare.call$2(el3, el4) > 0) {
  	        t0 = el4;
  	        el4 = el3;
  	        el3 = t0;
  	      }
  	      if (compare.call$2(el2, el5) > 0) {
  	        t0 = el5;
  	        el5 = el2;
  	        el2 = t0;
  	      }
  	      if (compare.call$2(el2, el3) > 0) {
  	        t0 = el3;
  	        el3 = el2;
  	        el2 = t0;
  	      }
  	      if (compare.call$2(el4, el5) > 0) {
  	        t0 = el5;
  	        el5 = el4;
  	        el4 = t0;
  	      }
  	      t1.$indexSet(a, index1, el1);
  	      t1.$indexSet(a, index3, el3);
  	      t1.$indexSet(a, index5, el5);
  	      t1.$indexSet(a, index2, t1.$index(a, left));
  	      t1.$indexSet(a, index4, t1.$index(a, right));
  	      less = left + 1;
  	      great = right - 1;
  	      pivots_are_equal = J.$eq$(compare.call$2(el2, el4), 0);
  	      if (pivots_are_equal)
  	        for (k = less; k <= great; ++k) {
  	          ak = t1.$index(a, k);
  	          comp = compare.call$2(ak, el2);
  	          if (comp === 0)
  	            continue;
  	          if (comp < 0) {
  	            if (k !== less) {
  	              t1.$indexSet(a, k, t1.$index(a, less));
  	              t1.$indexSet(a, less, ak);
  	            }
  	            ++less;
  	          } else
  	            for (;;) {
  	              comp = compare.call$2(t1.$index(a, great), el2);
  	              if (comp > 0) {
  	                --great;
  	                continue;
  	              } else {
  	                great0 = great - 1;
  	                if (comp < 0) {
  	                  t1.$indexSet(a, k, t1.$index(a, less));
  	                  less0 = less + 1;
  	                  t1.$indexSet(a, less, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                  great = great0;
  	                  less = less0;
  	                  break;
  	                } else {
  	                  t1.$indexSet(a, k, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                  great = great0;
  	                  break;
  	                }
  	              }
  	            }
  	        }
  	      else
  	        for (k = less; k <= great; ++k) {
  	          ak = t1.$index(a, k);
  	          if (compare.call$2(ak, el2) < 0) {
  	            if (k !== less) {
  	              t1.$indexSet(a, k, t1.$index(a, less));
  	              t1.$indexSet(a, less, ak);
  	            }
  	            ++less;
  	          } else if (compare.call$2(ak, el4) > 0)
  	            for (;;)
  	              if (compare.call$2(t1.$index(a, great), el4) > 0) {
  	                --great;
  	                if (great < k)
  	                  break;
  	                continue;
  	              } else {
  	                great0 = great - 1;
  	                if (compare.call$2(t1.$index(a, great), el2) < 0) {
  	                  t1.$indexSet(a, k, t1.$index(a, less));
  	                  less0 = less + 1;
  	                  t1.$indexSet(a, less, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                  less = less0;
  	                } else {
  	                  t1.$indexSet(a, k, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                }
  	                great = great0;
  	                break;
  	              }
  	        }
  	      t2 = less - 1;
  	      t1.$indexSet(a, left, t1.$index(a, t2));
  	      t1.$indexSet(a, t2, el2);
  	      t2 = great + 1;
  	      t1.$indexSet(a, right, t1.$index(a, t2));
  	      t1.$indexSet(a, t2, el4);
  	      A.Sort__doSort(a, left, less - 2, compare);
  	      A.Sort__doSort(a, great + 2, right, compare);
  	      if (pivots_are_equal)
  	        return;
  	      if (less < index1 && great > index5) {
  	        while (J.$eq$(compare.call$2(t1.$index(a, less), el2), 0))
  	          ++less;
  	        while (J.$eq$(compare.call$2(t1.$index(a, great), el4), 0))
  	          --great;
  	        for (k = less; k <= great; ++k) {
  	          ak = t1.$index(a, k);
  	          if (compare.call$2(ak, el2) === 0) {
  	            if (k !== less) {
  	              t1.$indexSet(a, k, t1.$index(a, less));
  	              t1.$indexSet(a, less, ak);
  	            }
  	            ++less;
  	          } else if (compare.call$2(ak, el4) === 0)
  	            for (;;)
  	              if (compare.call$2(t1.$index(a, great), el4) === 0) {
  	                --great;
  	                if (great < k)
  	                  break;
  	                continue;
  	              } else {
  	                great0 = great - 1;
  	                if (compare.call$2(t1.$index(a, great), el2) < 0) {
  	                  t1.$indexSet(a, k, t1.$index(a, less));
  	                  less0 = less + 1;
  	                  t1.$indexSet(a, less, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                  less = less0;
  	                } else {
  	                  t1.$indexSet(a, k, t1.$index(a, great));
  	                  t1.$indexSet(a, great, ak);
  	                }
  	                great = great0;
  	                break;
  	              }
  	        }
  	        A.Sort__doSort(a, less, great, compare);
  	      } else
  	        A.Sort__doSort(a, less, great, compare);
  	    },
  	    _CastIterableBase: function _CastIterableBase() {
  	    },
  	    CastIterator: function CastIterator(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    CastIterable: function CastIterable(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    _EfficientLengthCastIterable: function _EfficientLengthCastIterable(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    _CastListBase: function _CastListBase() {
  	    },
  	    _CastListBase_sort_closure: function _CastListBase_sort_closure(t0, t1) {
  	      this.$this = t0;
  	      this.compare = t1;
  	    },
  	    CastList: function CastList(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    CastSet: function CastSet(t0, t1, t2) {
  	      this._source = t0;
  	      this._emptySet = t1;
  	      this.$ti = t2;
  	    },
  	    CastMap: function CastMap(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    CastMap_forEach_closure: function CastMap_forEach_closure(t0, t1) {
  	      this.$this = t0;
  	      this.f = t1;
  	    },
  	    CastMap_entries_closure: function CastMap_entries_closure(t0) {
  	      this.$this = t0;
  	    },
  	    LateError: function LateError(t0) {
  	      this._message = t0;
  	    },
  	    CodeUnits: function CodeUnits(t0) {
  	      this._string = t0;
  	    },
  	    nullFuture_closure: function nullFuture_closure() {
  	    },
  	    SentinelValue: function SentinelValue() {
  	    },
  	    EfficientLengthIterable: function EfficientLengthIterable() {
  	    },
  	    ListIterable: function ListIterable() {
  	    },
  	    SubListIterable: function SubListIterable(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.__internal$_iterable = t0;
  	      _._start = t1;
  	      _._endOrLength = t2;
  	      _.$ti = t3;
  	    },
  	    ListIterator: function ListIterator(t0, t1, t2) {
  	      var _ = this;
  	      _.__internal$_iterable = t0;
  	      _.__internal$_length = t1;
  	      _.__internal$_index = 0;
  	      _.__internal$_current = null;
  	      _.$ti = t2;
  	    },
  	    MappedIterable: function MappedIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    EfficientLengthMappedIterable: function EfficientLengthMappedIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    MappedIterator: function MappedIterator(t0, t1, t2) {
  	      var _ = this;
  	      _.__internal$_current = null;
  	      _._iterator = t0;
  	      _._f = t1;
  	      _.$ti = t2;
  	    },
  	    MappedListIterable: function MappedListIterable(t0, t1, t2) {
  	      this._source = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    WhereIterable: function WhereIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    WhereIterator: function WhereIterator(t0, t1) {
  	      this._iterator = t0;
  	      this._f = t1;
  	    },
  	    ExpandIterable: function ExpandIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    ExpandIterator: function ExpandIterator(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._iterator = t0;
  	      _._f = t1;
  	      _._currentExpansion = t2;
  	      _.__internal$_current = null;
  	      _.$ti = t3;
  	    },
  	    TakeIterable: function TakeIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._takeCount = t1;
  	      this.$ti = t2;
  	    },
  	    EfficientLengthTakeIterable: function EfficientLengthTakeIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._takeCount = t1;
  	      this.$ti = t2;
  	    },
  	    TakeIterator: function TakeIterator(t0, t1, t2) {
  	      this._iterator = t0;
  	      this._remaining = t1;
  	      this.$ti = t2;
  	    },
  	    SkipIterable: function SkipIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._skipCount = t1;
  	      this.$ti = t2;
  	    },
  	    EfficientLengthSkipIterable: function EfficientLengthSkipIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._skipCount = t1;
  	      this.$ti = t2;
  	    },
  	    SkipIterator: function SkipIterator(t0, t1) {
  	      this._iterator = t0;
  	      this._skipCount = t1;
  	    },
  	    SkipWhileIterable: function SkipWhileIterable(t0, t1, t2) {
  	      this.__internal$_iterable = t0;
  	      this._f = t1;
  	      this.$ti = t2;
  	    },
  	    SkipWhileIterator: function SkipWhileIterator(t0, t1) {
  	      this._iterator = t0;
  	      this._f = t1;
  	      this._hasSkipped = false;
  	    },
  	    EmptyIterable: function EmptyIterable(t0) {
  	      this.$ti = t0;
  	    },
  	    EmptyIterator: function EmptyIterator() {
  	    },
  	    FollowedByIterable: function FollowedByIterable(t0, t1, t2) {
  	      this.__internal$_first = t0;
  	      this._second = t1;
  	      this.$ti = t2;
  	    },
  	    EfficientLengthFollowedByIterable: function EfficientLengthFollowedByIterable(t0, t1, t2) {
  	      this.__internal$_first = t0;
  	      this._second = t1;
  	      this.$ti = t2;
  	    },
  	    FollowedByIterator: function FollowedByIterator(t0, t1) {
  	      this._currentIterator = t0;
  	      this._nextIterable = t1;
  	    },
  	    WhereTypeIterable: function WhereTypeIterable(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    WhereTypeIterator: function WhereTypeIterator(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    NonNullsIterable: function NonNullsIterable(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    NonNullsIterator: function NonNullsIterator(t0) {
  	      this._source = t0;
  	      this.__internal$_current = null;
  	    },
  	    FixedLengthListMixin: function FixedLengthListMixin() {
  	    },
  	    UnmodifiableListMixin: function UnmodifiableListMixin() {
  	    },
  	    UnmodifiableListBase: function UnmodifiableListBase() {
  	    },
  	    ReversedListIterable: function ReversedListIterable(t0, t1) {
  	      this._source = t0;
  	      this.$ti = t1;
  	    },
  	    Symbol: function Symbol(t0) {
  	      this.__internal$_name = t0;
  	    },
  	    __CastListBase__CastIterableBase_ListMixin: function __CastListBase__CastIterableBase_ListMixin() {
  	    },
  	    ConstantMap_ConstantMap$from(other, $K, $V) {
  	      var allStrings, k, object, index, index0, map,
  	        keys = A.List_List$from(other.get$keys(other), true, $K),
  	        t1 = keys.length,
  	        _i = 0;
  	      for (;;) {
  	        if (!(_i < t1)) {
  	          allStrings = true;
  	          break;
  	        }
  	        k = keys[_i];
  	        if (typeof k != "string" || "__proto__" === k) {
  	          allStrings = false;
  	          break;
  	        }
  	        ++_i;
  	      }
  	      if (allStrings) {
  	        object = {};
  	        for (index = 0, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i, index = index0) {
  	          k = keys[_i];
  	          other.$index(0, k);
  	          index0 = index + 1;
  	          object[k] = index;
  	        }
  	        map = new A.ConstantStringMap(object, A.List_List$from(other.get$values(other), true, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("ConstantStringMap<1,2>"));
  	        map.$keys = keys;
  	        return map;
  	      }
  	      return new A.ConstantMapView(A.LinkedHashMap_LinkedHashMap$from(other, $K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("ConstantMapView<1,2>"));
  	    },
  	    ConstantMap__throwUnmodifiable() {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable Map"));
  	    },
  	    ConstantSet__throwUnmodifiable() {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify constant Set"));
  	    },
  	    instantiate1(f, $T1) {
  	      var t1 = new A.Instantiation1(f, $T1._eval$1("Instantiation1<0>"));
  	      t1.Instantiation$1(f);
  	      return t1;
  	    },
  	    unminifyOrTag(rawClassName) {
  	      var preserved = init.mangledGlobalNames[rawClassName];
  	      if (preserved != null)
  	        return preserved;
  	      return rawClassName;
  	    },
  	    isJsIndexable(object, record) {
  	      var result;
  	      if (record != null) {
  	        result = record.x;
  	        if (result != null)
  	          return result;
  	      }
  	      return type$.JavaScriptIndexingBehavior_dynamic._is(object);
  	    },
  	    S(value) {
  	      var result;
  	      if (typeof value == "string")
  	        return value;
  	      if (typeof value == "number") {
  	        if (value !== 0)
  	          return "" + value;
  	      } else if (true === value)
  	        return "true";
  	      else if (false === value)
  	        return "false";
  	      else if (value == null)
  	        return "null";
  	      result = J.toString$0$(value);
  	      return result;
  	    },
  	    JSInvocationMirror$(_memberName, _internalName, _kind, _arguments, _namedArgumentNames, _typeArgumentCount) {
  	      return new A.JSInvocationMirror(_memberName, _kind, _arguments, _namedArgumentNames, _typeArgumentCount);
  	    },
  	    Primitives_objectHashCode(object) {
  	      var hash,
  	        property = $.Primitives__identityHashCodeProperty;
  	      if (property == null)
  	        property = $.Primitives__identityHashCodeProperty = Symbol("identityHashCode");
  	      hash = object[property];
  	      if (hash == null) {
  	        hash = Math.random() * 0x3fffffff | 0;
  	        object[property] = hash;
  	      }
  	      return hash;
  	    },
  	    Primitives_parseInt(source, radix) {
  	      var decimalMatch, maxCharCode, digitsPart, t1, i, _null = null,
  	        match = /^\s*[+-]?((0x[a-f0-9]+)|(\d+)|([a-z0-9]+))\s*$/i.exec(source);
  	      if (match == null)
  	        return _null;
  	      decimalMatch = match[3];
  	      if (radix == null) {
  	        if (decimalMatch != null)
  	          return parseInt(source, 10);
  	        if (match[2] != null)
  	          return parseInt(source, 16);
  	        return _null;
  	      }
  	      if (radix < 2 || radix > 36)
  	        throw A.wrapException(A.RangeError$range(radix, 2, 36, "radix", _null));
  	      if (radix === 10 && decimalMatch != null)
  	        return parseInt(source, 10);
  	      if (radix < 10 || decimalMatch == null) {
  	        maxCharCode = radix <= 10 ? 47 + radix : 86 + radix;
  	        digitsPart = match[1];
  	        for (t1 = digitsPart.length, i = 0; i < t1; ++i)
  	          if ((digitsPart.charCodeAt(i) | 32) > maxCharCode)
  	            return _null;
  	      }
  	      return parseInt(source, radix);
  	    },
  	    Primitives_parseDouble(source) {
  	      var result, trimmed;
  	      if (!/^\s*[+-]?(?:Infinity|NaN|(?:\.\d+|\d+(?:\.\d*)?)(?:[eE][+-]?\d+)?)\s*$/.test(source))
  	        return null;
  	      result = parseFloat(source);
  	      if (isNaN(result)) {
  	        trimmed = B.JSString_methods.trim$0(source);
  	        if (trimmed === "NaN" || trimmed === "+NaN" || trimmed === "-NaN")
  	          return result;
  	        return null;
  	      }
  	      return result;
  	    },
  	    Primitives_objectTypeName(object) {
  	      var interceptor, dispatchName, $constructor, constructorName;
  	      if (object instanceof A.Object)
  	        return A._rtiToString(A.instanceType(object), null);
  	      interceptor = J.getInterceptor$(object);
  	      if (interceptor === B.Interceptor_methods || interceptor === B.JavaScriptObject_methods || type$.UnknownJavaScriptObject._is(object)) {
  	        dispatchName = B.C_JS_CONST(object);
  	        if (dispatchName !== "Object" && dispatchName !== "")
  	          return dispatchName;
  	        $constructor = object.constructor;
  	        if (typeof $constructor == "function") {
  	          constructorName = $constructor.name;
  	          if (typeof constructorName == "string" && constructorName !== "Object" && constructorName !== "")
  	            return constructorName;
  	        }
  	      }
  	      return A._rtiToString(A.instanceType(object), null);
  	    },
  	    Primitives_safeToString(object) {
  	      var hooks, i, hookResult;
  	      if (object == null || typeof object == "number" || A._isBool(object))
  	        return J.toString$0$(object);
  	      if (typeof object == "string")
  	        return JSON.stringify(object);
  	      if (object instanceof A.Closure)
  	        return object.toString$0(0);
  	      if (object instanceof A._Record)
  	        return object._toString$1(true);
  	      hooks = $.$get$_safeToStringHooks();
  	      for (i = 0; i < 1; ++i) {
  	        hookResult = hooks[i].tryFormat$1(object);
  	        if (hookResult != null)
  	          return hookResult;
  	      }
  	      return "Instance of '" + A.Primitives_objectTypeName(object) + "'";
  	    },
  	    Primitives_currentUri() {
  	      if (!!self.location)
  	        return self.location.href;
  	      return null;
  	    },
  	    Primitives__fromCharCodeApply(array) {
  	      var result, i, i0, chunkEnd,
  	        end = array.length;
  	      if (end <= 500)
  	        return String.fromCharCode.apply(null, array);
  	      for (result = "", i = 0; i < end; i = i0) {
  	        i0 = i + 500;
  	        chunkEnd = i0 < end ? i0 : end;
  	        result += String.fromCharCode.apply(null, array.slice(i, chunkEnd));
  	      }
  	      return result;
  	    },
  	    Primitives_stringFromCodePoints(codePoints) {
  	      var t1, _i, i,
  	        a = A._setArrayType([], type$.JSArray_int);
  	      for (t1 = codePoints.length, _i = 0; _i < codePoints.length; codePoints.length === t1 || (0, A.throwConcurrentModificationError)(codePoints), ++_i) {
  	        i = codePoints[_i];
  	        if (!A._isInt(i))
  	          throw A.wrapException(A.argumentErrorValue(i));
  	        if (i <= 65535)
  	          a.push(i);
  	        else if (i <= 1114111) {
  	          a.push(55296 + (B.JSInt_methods._shrOtherPositive$1(i - 65536, 10) & 1023));
  	          a.push(56320 + (i & 1023));
  	        } else
  	          throw A.wrapException(A.argumentErrorValue(i));
  	      }
  	      return A.Primitives__fromCharCodeApply(a);
  	    },
  	    Primitives_stringFromCharCodes(charCodes) {
  	      var t1, _i, i;
  	      for (t1 = charCodes.length, _i = 0; _i < t1; ++_i) {
  	        i = charCodes[_i];
  	        if (!A._isInt(i))
  	          throw A.wrapException(A.argumentErrorValue(i));
  	        if (i < 0)
  	          throw A.wrapException(A.argumentErrorValue(i));
  	        if (i > 65535)
  	          return A.Primitives_stringFromCodePoints(charCodes);
  	      }
  	      return A.Primitives__fromCharCodeApply(charCodes);
  	    },
  	    Primitives_stringFromNativeUint8List(charCodes, start, end) {
  	      var i, result, i0, chunkEnd;
  	      if (end <= 500 && start === 0 && end === charCodes.length)
  	        return String.fromCharCode.apply(null, charCodes);
  	      for (i = start, result = ""; i < end; i = i0) {
  	        i0 = i + 500;
  	        chunkEnd = i0 < end ? i0 : end;
  	        result += String.fromCharCode.apply(null, charCodes.subarray(i, chunkEnd));
  	      }
  	      return result;
  	    },
  	    Primitives_stringFromCharCode(charCode) {
  	      var bits;
  	      if (0 <= charCode) {
  	        if (charCode <= 65535)
  	          return String.fromCharCode(charCode);
  	        if (charCode <= 1114111) {
  	          bits = charCode - 65536;
  	          return String.fromCharCode((B.JSInt_methods._shrOtherPositive$1(bits, 10) | 55296) >>> 0, bits & 1023 | 56320);
  	        }
  	      }
  	      throw A.wrapException(A.RangeError$range(charCode, 0, 1114111, null, null));
  	    },
  	    Primitives_lazyAsJsDate(receiver) {
  	      if (receiver.date === void 0)
  	        receiver.date = new Date(receiver._value);
  	      return receiver.date;
  	    },
  	    Primitives_getYear(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getFullYear() + 0;
  	      return t1;
  	    },
  	    Primitives_getMonth(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getMonth() + 1;
  	      return t1;
  	    },
  	    Primitives_getDay(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getDate() + 0;
  	      return t1;
  	    },
  	    Primitives_getHours(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getHours() + 0;
  	      return t1;
  	    },
  	    Primitives_getMinutes(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getMinutes() + 0;
  	      return t1;
  	    },
  	    Primitives_getSeconds(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getSeconds() + 0;
  	      return t1;
  	    },
  	    Primitives_getMilliseconds(receiver) {
  	      var t1 = A.Primitives_lazyAsJsDate(receiver).getMilliseconds() + 0;
  	      return t1;
  	    },
  	    Primitives_functionNoSuchMethod($function, positionalArguments, namedArguments) {
  	      var $arguments, namedArgumentList, t1 = {};
  	      t1.argumentCount = 0;
  	      $arguments = [];
  	      namedArgumentList = [];
  	      t1.argumentCount = positionalArguments.length;
  	      B.JSArray_methods.addAll$1($arguments, positionalArguments);
  	      t1.names = "";
  	      if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
  	        namedArguments.forEach$1(0, new A.Primitives_functionNoSuchMethod_closure(t1, namedArgumentList, $arguments));
  	      return J.noSuchMethod$1$($function, new A.JSInvocationMirror(B.Symbol_call, 0, $arguments, namedArgumentList, 0));
  	    },
  	    Primitives_applyFunction($function, positionalArguments, namedArguments) {
  	      var t1, argumentCount, jsStub;
  	      if (Array.isArray(positionalArguments))
  	        t1 = namedArguments == null || namedArguments.__js_helper$_length === 0;
  	      else
  	        t1 = false;
  	      if (t1) {
  	        argumentCount = positionalArguments.length;
  	        if (argumentCount === 0) {
  	          if (!!$function.call$0)
  	            return $function.call$0();
  	        } else if (argumentCount === 1) {
  	          if (!!$function.call$1)
  	            return $function.call$1(positionalArguments[0]);
  	        } else if (argumentCount === 2) {
  	          if (!!$function.call$2)
  	            return $function.call$2(positionalArguments[0], positionalArguments[1]);
  	        } else if (argumentCount === 3) {
  	          if (!!$function.call$3)
  	            return $function.call$3(positionalArguments[0], positionalArguments[1], positionalArguments[2]);
  	        } else if (argumentCount === 4) {
  	          if (!!$function.call$4)
  	            return $function.call$4(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3]);
  	        } else if (argumentCount === 5)
  	          if (!!$function.call$5)
  	            return $function.call$5(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3], positionalArguments[4]);
  	        jsStub = $function["call" + "$" + argumentCount];
  	        if (jsStub != null)
  	          return jsStub.apply($function, positionalArguments);
  	      }
  	      return A.Primitives__generalApplyFunction($function, positionalArguments, namedArguments);
  	    },
  	    Primitives__generalApplyFunction($function, positionalArguments, namedArguments) {
  	      var $arguments, argumentCount, requiredParameterCount, defaultValuesClosure, t1, defaultValues, interceptor, jsFunction, maxArguments, missingDefaults, keys, _i, defaultValue, used, t2;
  	      if (Array.isArray(positionalArguments))
  	        $arguments = positionalArguments;
  	      else
  	        $arguments = A.List_List$_of(positionalArguments, type$.dynamic);
  	      argumentCount = $arguments.length;
  	      requiredParameterCount = $function.$requiredArgCount;
  	      if (argumentCount < requiredParameterCount)
  	        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	      defaultValuesClosure = $function.$defaultValues;
  	      t1 = defaultValuesClosure == null;
  	      defaultValues = !t1 ? defaultValuesClosure() : null;
  	      interceptor = J.getInterceptor$($function);
  	      jsFunction = interceptor["call*"];
  	      if (typeof jsFunction == "string")
  	        jsFunction = interceptor[jsFunction];
  	      if (t1) {
  	        if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
  	          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	        if (argumentCount === requiredParameterCount)
  	          return jsFunction.apply($function, $arguments);
  	        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	      }
  	      if (Array.isArray(defaultValues)) {
  	        if (namedArguments != null && namedArguments.__js_helper$_length !== 0)
  	          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	        maxArguments = requiredParameterCount + defaultValues.length;
  	        if (argumentCount > maxArguments)
  	          return A.Primitives_functionNoSuchMethod($function, $arguments, null);
  	        if (argumentCount < maxArguments) {
  	          missingDefaults = defaultValues.slice(argumentCount - requiredParameterCount);
  	          if ($arguments === positionalArguments)
  	            $arguments = A.List_List$_of($arguments, type$.dynamic);
  	          B.JSArray_methods.addAll$1($arguments, missingDefaults);
  	        }
  	        return jsFunction.apply($function, $arguments);
  	      } else {
  	        if (argumentCount > requiredParameterCount)
  	          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	        if ($arguments === positionalArguments)
  	          $arguments = A.List_List$_of($arguments, type$.dynamic);
  	        keys = Object.keys(defaultValues);
  	        if (namedArguments == null)
  	          for (t1 = keys.length, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
  	            defaultValue = defaultValues[keys[_i]];
  	            if (B.C__Required === defaultValue)
  	              return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	            B.JSArray_methods.add$1($arguments, defaultValue);
  	          }
  	        else {
  	          for (t1 = keys.length, used = 0, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
  	            t2 = keys[_i];
  	            if (namedArguments.containsKey$1(t2)) {
  	              ++used;
  	              B.JSArray_methods.add$1($arguments, namedArguments.$index(0, t2));
  	            } else {
  	              defaultValue = defaultValues[t2];
  	              if (B.C__Required === defaultValue)
  	                return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	              B.JSArray_methods.add$1($arguments, defaultValue);
  	            }
  	          }
  	          if (used !== namedArguments.__js_helper$_length)
  	            return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
  	        }
  	        return jsFunction.apply($function, $arguments);
  	      }
  	    },
  	    Primitives_extractStackTrace(error) {
  	      var jsError = error.$thrownJsError;
  	      if (jsError == null)
  	        return null;
  	      return A.getTraceFromException(jsError);
  	    },
  	    Primitives_trySetStackTrace(error, stackTrace) {
  	      var jsError;
  	      if (error.$thrownJsError == null) {
  	        jsError = new Error();
  	        A.initializeExceptionWrapper(error, jsError);
  	        error.$thrownJsError = jsError;
  	        jsError.stack = stackTrace.toString$0(0);
  	      }
  	    },
  	    diagnoseIndexError(indexable, index) {
  	      var $length, _s5_ = "index";
  	      if (!A._isInt(index))
  	        return new A.ArgumentError(true, index, _s5_, null);
  	      $length = J.get$length$asx(indexable);
  	      if (index < 0 || index >= $length)
  	        return A.IndexError$withLength(index, $length, indexable, null, _s5_);
  	      return A.RangeError$value(index, _s5_, null);
  	    },
  	    diagnoseRangeError(start, end, $length) {
  	      if (start < 0 || start > $length)
  	        return A.RangeError$range(start, 0, $length, "start", null);
  	      if (end != null)
  	        if (end < start || end > $length)
  	          return A.RangeError$range(end, start, $length, "end", null);
  	      return new A.ArgumentError(true, end, "end", null);
  	    },
  	    argumentErrorValue(object) {
  	      return new A.ArgumentError(true, object, null, null);
  	    },
  	    wrapException(ex) {
  	      return A.initializeExceptionWrapper(ex, new Error());
  	    },
  	    initializeExceptionWrapper(ex, wrapper) {
  	      var t1;
  	      if (ex == null)
  	        ex = new A.TypeError();
  	      wrapper.dartException = ex;
  	      t1 = A.toStringWrapper;
  	      if ("defineProperty" in Object) {
  	        Object.defineProperty(wrapper, "message", {get: t1});
  	        wrapper.name = "";
  	      } else
  	        wrapper.toString = t1;
  	      return wrapper;
  	    },
  	    toStringWrapper() {
  	      return J.toString$0$(this.dartException);
  	    },
  	    throwExpression(ex, wrapper) {
  	      throw A.initializeExceptionWrapper(ex, wrapper == null ? new Error() : wrapper);
  	    },
  	    throwUnsupportedOperation(o, operation, verb) {
  	      var wrapper;
  	      if (operation == null)
  	        operation = 0;
  	      if (verb == null)
  	        verb = 0;
  	      wrapper = Error();
  	      A.throwExpression(A._diagnoseUnsupportedOperation(o, operation, verb), wrapper);
  	    },
  	    _diagnoseUnsupportedOperation(o, encodedOperation, encodedVerb) {
  	      var operation, table, tableLength, index, verb, object, flags, article, adjective;
  	      if (typeof encodedOperation == "string")
  	        operation = encodedOperation;
  	      else {
  	        table = "[]=;add;removeWhere;retainWhere;removeRange;setRange;setInt8;setInt16;setInt32;setUint8;setUint16;setUint32;setFloat32;setFloat64".split(";");
  	        tableLength = table.length;
  	        index = encodedOperation;
  	        if (index > tableLength) {
  	          encodedVerb = index / tableLength | 0;
  	          index %= tableLength;
  	        }
  	        operation = table[index];
  	      }
  	      verb = typeof encodedVerb == "string" ? encodedVerb : "modify;remove from;add to".split(";")[encodedVerb];
  	      object = type$.List_dynamic._is(o) ? "list" : "ByteData";
  	      flags = o.$flags | 0;
  	      article = "a ";
  	      if ((flags & 4) !== 0)
  	        adjective = "constant ";
  	      else if ((flags & 2) !== 0) {
  	        adjective = "unmodifiable ";
  	        article = "an ";
  	      } else
  	        adjective = (flags & 1) !== 0 ? "fixed-length " : "";
  	      return new A.UnsupportedError("'" + operation + "': Cannot " + verb + " " + article + adjective + object);
  	    },
  	    throwConcurrentModificationError(collection) {
  	      throw A.wrapException(A.ConcurrentModificationError$(collection));
  	    },
  	    TypeErrorDecoder_extractPattern(message) {
  	      var match, $arguments, argumentsExpr, expr, method, receiver;
  	      message = A.quoteStringForRegExp(message.replace(String({}), "$receiver$"));
  	      match = message.match(/\\\$[a-zA-Z]+\\\$/g);
  	      if (match == null)
  	        match = A._setArrayType([], type$.JSArray_String);
  	      $arguments = match.indexOf("\\$arguments\\$");
  	      argumentsExpr = match.indexOf("\\$argumentsExpr\\$");
  	      expr = match.indexOf("\\$expr\\$");
  	      method = match.indexOf("\\$method\\$");
  	      receiver = match.indexOf("\\$receiver\\$");
  	      return new A.TypeErrorDecoder(message.replace(new RegExp("\\\\\\$arguments\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$argumentsExpr\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$expr\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$method\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$receiver\\\\\\$", "g"), "((?:x|[^x])*)"), $arguments, argumentsExpr, expr, method, receiver);
  	    },
  	    TypeErrorDecoder_provokeCallErrorOn(expression) {
  	      return function($expr$) {
  	        var $argumentsExpr$ = "$arguments$";
  	        try {
  	          $expr$.$method$($argumentsExpr$);
  	        } catch (e) {
  	          return e.message;
  	        }
  	      }(expression);
  	    },
  	    TypeErrorDecoder_provokePropertyErrorOn(expression) {
  	      return function($expr$) {
  	        try {
  	          $expr$.$method$;
  	        } catch (e) {
  	          return e.message;
  	        }
  	      }(expression);
  	    },
  	    JsNoSuchMethodError$(_message, match) {
  	      var t1 = match == null,
  	        t2 = t1 ? null : match.method;
  	      return new A.JsNoSuchMethodError(_message, t2, t1 ? null : match.receiver);
  	    },
  	    unwrapException(ex) {
  	      if (ex == null)
  	        return new A.NullThrownFromJavaScriptException(ex);
  	      if (ex instanceof A.ExceptionAndStackTrace)
  	        return A.saveStackTrace(ex, ex.dartException);
  	      if (typeof ex !== "object")
  	        return ex;
  	      if ("dartException" in ex)
  	        return A.saveStackTrace(ex, ex.dartException);
  	      return A._unwrapNonDartException(ex);
  	    },
  	    saveStackTrace(ex, error) {
  	      if (type$.Error._is(error))
  	        if (error.$thrownJsError == null)
  	          error.$thrownJsError = ex;
  	      return error;
  	    },
  	    _unwrapNonDartException(ex) {
  	      var message, number, ieErrorCode, nsme, notClosure, nullCall, nullLiteralCall, undefCall, undefLiteralCall, nullProperty, undefProperty, undefLiteralProperty, match;
  	      if (!("message" in ex))
  	        return ex;
  	      message = ex.message;
  	      if ("number" in ex && typeof ex.number == "number") {
  	        number = ex.number;
  	        ieErrorCode = number & 65535;
  	        if ((B.JSInt_methods._shrOtherPositive$1(number, 16) & 8191) === 10)
  	          switch (ieErrorCode) {
  	            case 438:
  	              return A.saveStackTrace(ex, A.JsNoSuchMethodError$(A.S(message) + " (Error " + ieErrorCode + ")", null));
  	            case 445:
  	            case 5007:
  	              A.S(message);
  	              return A.saveStackTrace(ex, new A.NullError());
  	          }
  	      }
  	      if (ex instanceof TypeError) {
  	        nsme = $.$get$TypeErrorDecoder_noSuchMethodPattern();
  	        notClosure = $.$get$TypeErrorDecoder_notClosurePattern();
  	        nullCall = $.$get$TypeErrorDecoder_nullCallPattern();
  	        nullLiteralCall = $.$get$TypeErrorDecoder_nullLiteralCallPattern();
  	        undefCall = $.$get$TypeErrorDecoder_undefinedCallPattern();
  	        undefLiteralCall = $.$get$TypeErrorDecoder_undefinedLiteralCallPattern();
  	        nullProperty = $.$get$TypeErrorDecoder_nullPropertyPattern();
  	        $.$get$TypeErrorDecoder_nullLiteralPropertyPattern();
  	        undefProperty = $.$get$TypeErrorDecoder_undefinedPropertyPattern();
  	        undefLiteralProperty = $.$get$TypeErrorDecoder_undefinedLiteralPropertyPattern();
  	        match = nsme.matchTypeError$1(message);
  	        if (match != null)
  	          return A.saveStackTrace(ex, A.JsNoSuchMethodError$(message, match));
  	        else {
  	          match = notClosure.matchTypeError$1(message);
  	          if (match != null) {
  	            match.method = "call";
  	            return A.saveStackTrace(ex, A.JsNoSuchMethodError$(message, match));
  	          } else if (nullCall.matchTypeError$1(message) != null || nullLiteralCall.matchTypeError$1(message) != null || undefCall.matchTypeError$1(message) != null || undefLiteralCall.matchTypeError$1(message) != null || nullProperty.matchTypeError$1(message) != null || nullLiteralCall.matchTypeError$1(message) != null || undefProperty.matchTypeError$1(message) != null || undefLiteralProperty.matchTypeError$1(message) != null)
  	            return A.saveStackTrace(ex, new A.NullError());
  	        }
  	        return A.saveStackTrace(ex, new A.UnknownJsTypeError(typeof message == "string" ? message : ""));
  	      }
  	      if (ex instanceof RangeError) {
  	        if (typeof message == "string" && message.indexOf("call stack") !== -1)
  	          return new A.StackOverflowError();
  	        message = function(ex) {
  	          try {
  	            return String(ex);
  	          } catch (e) {
  	          }
  	          return null;
  	        }(ex);
  	        return A.saveStackTrace(ex, new A.ArgumentError(false, null, null, typeof message == "string" ? message.replace(/^RangeError:\s*/, "") : message));
  	      }
  	      if (typeof InternalError == "function" && ex instanceof InternalError)
  	        if (typeof message == "string" && message === "too much recursion")
  	          return new A.StackOverflowError();
  	      return ex;
  	    },
  	    getTraceFromException(exception) {
  	      var trace;
  	      if (exception instanceof A.ExceptionAndStackTrace)
  	        return exception.stackTrace;
  	      if (exception == null)
  	        return new A._StackTrace(exception);
  	      trace = exception.$cachedTrace;
  	      if (trace != null)
  	        return trace;
  	      trace = new A._StackTrace(exception);
  	      if (typeof exception === "object")
  	        exception.$cachedTrace = trace;
  	      return trace;
  	    },
  	    objectHashCode(object) {
  	      if (object == null)
  	        return J.get$hashCode$(object);
  	      if (typeof object == "object")
  	        return A.Primitives_objectHashCode(object);
  	      return J.get$hashCode$(object);
  	    },
  	    constantHashCode(key) {
  	      if (typeof key == "number")
  	        return B.JSNumber_methods.get$hashCode(key);
  	      if (key instanceof A._Type)
  	        return A.Primitives_objectHashCode(key);
  	      if (key instanceof A._Record)
  	        return key.get$hashCode(key);
  	      if (key instanceof A.Symbol)
  	        return key.get$hashCode(0);
  	      return A.objectHashCode(key);
  	    },
  	    fillLiteralMap(keyValuePairs, result) {
  	      var index, index0, index1,
  	        $length = keyValuePairs.length;
  	      for (index = 0; index < $length; index = index1) {
  	        index0 = index + 1;
  	        index1 = index0 + 1;
  	        result.$indexSet(0, keyValuePairs[index], keyValuePairs[index0]);
  	      }
  	      return result;
  	    },
  	    fillLiteralSet(values, result) {
  	      var index,
  	        $length = values.length;
  	      for (index = 0; index < $length; ++index)
  	        result.add$1(0, values[index]);
  	      return result;
  	    },
  	    _invokeClosure(closure, numberOfArguments, arg1, arg2, arg3, arg4) {
  	      switch (numberOfArguments) {
  	        case 0:
  	          return closure.call$0();
  	        case 1:
  	          return closure.call$1(arg1);
  	        case 2:
  	          return closure.call$2(arg1, arg2);
  	        case 3:
  	          return closure.call$3(arg1, arg2, arg3);
  	        case 4:
  	          return closure.call$4(arg1, arg2, arg3, arg4);
  	      }
  	      throw A.wrapException(new A._Exception("Unsupported number of arguments for wrapped closure"));
  	    },
  	    convertDartClosureToJS(closure, arity) {
  	      var $function;
  	      if (closure == null)
  	        return null;
  	      $function = closure.$identity;
  	      if (!!$function)
  	        return $function;
  	      $function = A.convertDartClosureToJSUncached(closure, arity);
  	      closure.$identity = $function;
  	      return $function;
  	    },
  	    convertDartClosureToJSUncached(closure, arity) {
  	      var entry;
  	      switch (arity) {
  	        case 0:
  	          entry = closure.call$0;
  	          break;
  	        case 1:
  	          entry = closure.call$1;
  	          break;
  	        case 2:
  	          entry = closure.call$2;
  	          break;
  	        case 3:
  	          entry = closure.call$3;
  	          break;
  	        case 4:
  	          entry = closure.call$4;
  	          break;
  	        default:
  	          entry = null;
  	      }
  	      if (entry != null)
  	        return entry.bind(closure);
  	      return function(closure, arity, invoke) {
  	        return function(a1, a2, a3, a4) {
  	          return invoke(closure, arity, a1, a2, a3, a4);
  	        };
  	      }(closure, arity, A._invokeClosure);
  	    },
  	    Closure_fromTearOff(parameters) {
  	      var $prototype, $constructor, t2, trampoline, applyTrampoline, i, stub, stub0, stubName, stubCallName,
  	        container = parameters.co,
  	        isStatic = parameters.iS,
  	        isIntercepted = parameters.iI,
  	        needsDirectAccess = parameters.nDA,
  	        applyTrampolineIndex = parameters.aI,
  	        funsOrNames = parameters.fs,
  	        callNames = parameters.cs,
  	        $name = funsOrNames[0],
  	        callName = callNames[0],
  	        $function = container[$name],
  	        t1 = parameters.fT;
  	      t1.toString;
  	      $prototype = isStatic ? Object.create(new A.StaticClosure().constructor.prototype) : Object.create(new A.BoundClosure(null, null).constructor.prototype);
  	      $prototype.$initialize = $prototype.constructor;
  	      $constructor = isStatic ? function static_tear_off() {
  	        this.$initialize();
  	      } : function tear_off(a, b) {
  	        this.$initialize(a, b);
  	      };
  	      $prototype.constructor = $constructor;
  	      $constructor.prototype = $prototype;
  	      $prototype.$_name = $name;
  	      $prototype.$_target = $function;
  	      t2 = !isStatic;
  	      if (t2)
  	        trampoline = A.Closure_forwardCallTo($name, $function, isIntercepted, needsDirectAccess);
  	      else {
  	        $prototype.$static_name = $name;
  	        trampoline = $function;
  	      }
  	      $prototype.$signature = A.Closure__computeSignatureFunction(t1, isStatic, isIntercepted);
  	      $prototype[callName] = trampoline;
  	      for (applyTrampoline = trampoline, i = 1; i < funsOrNames.length; ++i) {
  	        stub = funsOrNames[i];
  	        if (typeof stub == "string") {
  	          stub0 = container[stub];
  	          stubName = stub;
  	          stub = stub0;
  	        } else
  	          stubName = "";
  	        stubCallName = callNames[i];
  	        if (stubCallName != null) {
  	          if (t2)
  	            stub = A.Closure_forwardCallTo(stubName, stub, isIntercepted, needsDirectAccess);
  	          $prototype[stubCallName] = stub;
  	        }
  	        if (i === applyTrampolineIndex)
  	          applyTrampoline = stub;
  	      }
  	      $prototype["call*"] = applyTrampoline;
  	      $prototype.$requiredArgCount = parameters.rC;
  	      $prototype.$defaultValues = parameters.dV;
  	      return $constructor;
  	    },
  	    Closure__computeSignatureFunction(functionType, isStatic, isIntercepted) {
  	      if (typeof functionType == "number")
  	        return functionType;
  	      if (typeof functionType == "string") {
  	        if (isStatic)
  	          throw A.wrapException("Cannot compute signature for static tearoff.");
  	        return function(recipe, evalOnReceiver) {
  	          return function() {
  	            return evalOnReceiver(this, recipe);
  	          };
  	        }(functionType, A.BoundClosure_evalRecipe);
  	      }
  	      throw A.wrapException("Error in functionType of tearoff");
  	    },
  	    Closure_cspForwardCall(arity, needsDirectAccess, stubName, $function) {
  	      var getReceiver = A.BoundClosure_receiverOf;
  	      switch (needsDirectAccess ? -1 : arity) {
  	        case 0:
  	          return function(entry, receiverOf) {
  	            return function() {
  	              return receiverOf(this)[entry]();
  	            };
  	          }(stubName, getReceiver);
  	        case 1:
  	          return function(entry, receiverOf) {
  	            return function(a) {
  	              return receiverOf(this)[entry](a);
  	            };
  	          }(stubName, getReceiver);
  	        case 2:
  	          return function(entry, receiverOf) {
  	            return function(a, b) {
  	              return receiverOf(this)[entry](a, b);
  	            };
  	          }(stubName, getReceiver);
  	        case 3:
  	          return function(entry, receiverOf) {
  	            return function(a, b, c) {
  	              return receiverOf(this)[entry](a, b, c);
  	            };
  	          }(stubName, getReceiver);
  	        case 4:
  	          return function(entry, receiverOf) {
  	            return function(a, b, c, d) {
  	              return receiverOf(this)[entry](a, b, c, d);
  	            };
  	          }(stubName, getReceiver);
  	        case 5:
  	          return function(entry, receiverOf) {
  	            return function(a, b, c, d, e) {
  	              return receiverOf(this)[entry](a, b, c, d, e);
  	            };
  	          }(stubName, getReceiver);
  	        default:
  	          return function(f, receiverOf) {
  	            return function() {
  	              return f.apply(receiverOf(this), arguments);
  	            };
  	          }($function, getReceiver);
  	      }
  	    },
  	    Closure_forwardCallTo(stubName, $function, isIntercepted, needsDirectAccess) {
  	      if (isIntercepted)
  	        return A.Closure_forwardInterceptedCallTo(stubName, $function, needsDirectAccess);
  	      return A.Closure_cspForwardCall($function.length, needsDirectAccess, stubName, $function);
  	    },
  	    Closure_cspForwardInterceptedCall(arity, needsDirectAccess, stubName, $function) {
  	      var getReceiver = A.BoundClosure_receiverOf,
  	        getInterceptor = A.BoundClosure_interceptorOf;
  	      switch (needsDirectAccess ? -1 : arity) {
  	        case 0:
  	          throw A.wrapException(new A.RuntimeError("Intercepted function with no arguments."));
  	        case 1:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function() {
  	              return interceptorOf(this)[entry](receiverOf(this));
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        case 2:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function(a) {
  	              return interceptorOf(this)[entry](receiverOf(this), a);
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        case 3:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function(a, b) {
  	              return interceptorOf(this)[entry](receiverOf(this), a, b);
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        case 4:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function(a, b, c) {
  	              return interceptorOf(this)[entry](receiverOf(this), a, b, c);
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        case 5:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function(a, b, c, d) {
  	              return interceptorOf(this)[entry](receiverOf(this), a, b, c, d);
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        case 6:
  	          return function(entry, interceptorOf, receiverOf) {
  	            return function(a, b, c, d, e) {
  	              return interceptorOf(this)[entry](receiverOf(this), a, b, c, d, e);
  	            };
  	          }(stubName, getInterceptor, getReceiver);
  	        default:
  	          return function(f, interceptorOf, receiverOf) {
  	            return function() {
  	              var a = [receiverOf(this)];
  	              Array.prototype.push.apply(a, arguments);
  	              return f.apply(interceptorOf(this), a);
  	            };
  	          }($function, getInterceptor, getReceiver);
  	      }
  	    },
  	    Closure_forwardInterceptedCallTo(stubName, $function, needsDirectAccess) {
  	      var arity, t1;
  	      if ($.BoundClosure__interceptorFieldNameCache == null)
  	        $.BoundClosure__interceptorFieldNameCache = A.BoundClosure__computeFieldNamed("interceptor");
  	      if ($.BoundClosure__receiverFieldNameCache == null)
  	        $.BoundClosure__receiverFieldNameCache = A.BoundClosure__computeFieldNamed("receiver");
  	      arity = $function.length;
  	      t1 = A.Closure_cspForwardInterceptedCall(arity, needsDirectAccess, stubName, $function);
  	      return t1;
  	    },
  	    closureFromTearOff(parameters) {
  	      return A.Closure_fromTearOff(parameters);
  	    },
  	    BoundClosure_evalRecipe(closure, recipe) {
  	      return A._Universe_evalInEnvironment(init.typeUniverse, A.instanceType(closure._receiver), recipe);
  	    },
  	    BoundClosure_receiverOf(closure) {
  	      return closure._receiver;
  	    },
  	    BoundClosure_interceptorOf(closure) {
  	      return closure._interceptor;
  	    },
  	    BoundClosure__computeFieldNamed(fieldName) {
  	      var names, i, $name,
  	        template = new A.BoundClosure("receiver", "interceptor"),
  	        t1 = Object.getOwnPropertyNames(template);
  	      t1.$flags = 1;
  	      names = t1;
  	      for (t1 = names.length, i = 0; i < t1; ++i) {
  	        $name = names[i];
  	        if (template[$name] === fieldName)
  	          return $name;
  	      }
  	      throw A.wrapException(A.ArgumentError$("Field name " + fieldName + " not found.", null));
  	    },
  	    getIsolateAffinityTag($name) {
  	      return init.getIsolateTag($name);
  	    },
  	    defineProperty(obj, property, value) {
  	      Object.defineProperty(obj, property, {value: value, enumerable: false, writable: true, configurable: true});
  	    },
  	    lookupAndCacheInterceptor(obj) {
  	      var interceptor, interceptorClass, altTag, mark, t1,
  	        tag = $.getTagFunction.call$1(obj),
  	        record = $.dispatchRecordsForInstanceTags[tag];
  	      if (record != null) {
  	        Object.defineProperty(obj, init.dispatchPropertyName, {value: record, enumerable: false, writable: true, configurable: true});
  	        return record.i;
  	      }
  	      interceptor = $.interceptorsForUncacheableTags[tag];
  	      if (interceptor != null)
  	        return interceptor;
  	      interceptorClass = init.interceptorsByTag[tag];
  	      if (interceptorClass == null) {
  	        altTag = $.alternateTagFunction.call$2(obj, tag);
  	        if (altTag != null) {
  	          record = $.dispatchRecordsForInstanceTags[altTag];
  	          if (record != null) {
  	            Object.defineProperty(obj, init.dispatchPropertyName, {value: record, enumerable: false, writable: true, configurable: true});
  	            return record.i;
  	          }
  	          interceptor = $.interceptorsForUncacheableTags[altTag];
  	          if (interceptor != null)
  	            return interceptor;
  	          interceptorClass = init.interceptorsByTag[altTag];
  	          tag = altTag;
  	        }
  	      }
  	      if (interceptorClass == null)
  	        return null;
  	      interceptor = interceptorClass.prototype;
  	      mark = tag[0];
  	      if (mark === "!") {
  	        record = A.makeLeafDispatchRecord(interceptor);
  	        $.dispatchRecordsForInstanceTags[tag] = record;
  	        Object.defineProperty(obj, init.dispatchPropertyName, {value: record, enumerable: false, writable: true, configurable: true});
  	        return record.i;
  	      }
  	      if (mark === "~") {
  	        $.interceptorsForUncacheableTags[tag] = interceptor;
  	        return interceptor;
  	      }
  	      if (mark === "-") {
  	        t1 = A.makeLeafDispatchRecord(interceptor);
  	        Object.defineProperty(Object.getPrototypeOf(obj), init.dispatchPropertyName, {value: t1, enumerable: false, writable: true, configurable: true});
  	        return t1.i;
  	      }
  	      if (mark === "+")
  	        return A.patchInteriorProto(obj, interceptor);
  	      if (mark === "*")
  	        throw A.wrapException(A.UnimplementedError$(tag));
  	      if (init.leafTags[tag] === true) {
  	        t1 = A.makeLeafDispatchRecord(interceptor);
  	        Object.defineProperty(Object.getPrototypeOf(obj), init.dispatchPropertyName, {value: t1, enumerable: false, writable: true, configurable: true});
  	        return t1.i;
  	      } else
  	        return A.patchInteriorProto(obj, interceptor);
  	    },
  	    patchInteriorProto(obj, interceptor) {
  	      var proto = Object.getPrototypeOf(obj);
  	      Object.defineProperty(proto, init.dispatchPropertyName, {value: J.makeDispatchRecord(interceptor, proto, null, null), enumerable: false, writable: true, configurable: true});
  	      return interceptor;
  	    },
  	    makeLeafDispatchRecord(interceptor) {
  	      return J.makeDispatchRecord(interceptor, false, null, !!interceptor.$isJavaScriptIndexingBehavior);
  	    },
  	    makeDefaultDispatchRecord(tag, interceptorClass, proto) {
  	      var interceptor = interceptorClass.prototype;
  	      if (init.leafTags[tag] === true)
  	        return A.makeLeafDispatchRecord(interceptor);
  	      else
  	        return J.makeDispatchRecord(interceptor, proto, null, null);
  	    },
  	    initNativeDispatch() {
  	      if (true === $.initNativeDispatchFlag)
  	        return;
  	      $.initNativeDispatchFlag = true;
  	      A.initNativeDispatchContinue();
  	    },
  	    initNativeDispatchContinue() {
  	      var map, tags, fun, i, tag, proto, record, interceptorClass;
  	      $.dispatchRecordsForInstanceTags = Object.create(null);
  	      $.interceptorsForUncacheableTags = Object.create(null);
  	      A.initHooks();
  	      map = init.interceptorsByTag;
  	      tags = Object.getOwnPropertyNames(map);
  	      if (typeof window != "undefined") {
  	        fun = function() {
  	        };
  	        for (i = 0; i < tags.length; ++i) {
  	          tag = tags[i];
  	          proto = $.prototypeForTagFunction.call$1(tag);
  	          if (proto != null) {
  	            record = A.makeDefaultDispatchRecord(tag, map[tag], proto);
  	            if (record != null) {
  	              Object.defineProperty(proto, init.dispatchPropertyName, {value: record, enumerable: false, writable: true, configurable: true});
  	              fun.prototype = proto;
  	            }
  	          }
  	        }
  	      }
  	      for (i = 0; i < tags.length; ++i) {
  	        tag = tags[i];
  	        if (/^[A-Za-z_]/.test(tag)) {
  	          interceptorClass = map[tag];
  	          map["!" + tag] = interceptorClass;
  	          map["~" + tag] = interceptorClass;
  	          map["-" + tag] = interceptorClass;
  	          map["+" + tag] = interceptorClass;
  	          map["*" + tag] = interceptorClass;
  	        }
  	      }
  	    },
  	    initHooks() {
  	      var transformers, i, transformer, getTag, getUnknownTag, prototypeForTag,
  	        hooks = B.C_JS_CONST0();
  	      hooks = A.applyHooksTransformer(B.C_JS_CONST1, A.applyHooksTransformer(B.C_JS_CONST2, A.applyHooksTransformer(B.C_JS_CONST3, A.applyHooksTransformer(B.C_JS_CONST3, A.applyHooksTransformer(B.C_JS_CONST4, A.applyHooksTransformer(B.C_JS_CONST5, A.applyHooksTransformer(B.C_JS_CONST6(B.C_JS_CONST), hooks)))))));
  	      if (typeof dartNativeDispatchHooksTransformer != "undefined") {
  	        transformers = dartNativeDispatchHooksTransformer;
  	        if (typeof transformers == "function")
  	          transformers = [transformers];
  	        if (Array.isArray(transformers))
  	          for (i = 0; i < transformers.length; ++i) {
  	            transformer = transformers[i];
  	            if (typeof transformer == "function")
  	              hooks = transformer(hooks) || hooks;
  	          }
  	      }
  	      getTag = hooks.getTag;
  	      getUnknownTag = hooks.getUnknownTag;
  	      prototypeForTag = hooks.prototypeForTag;
  	      $.getTagFunction = new A.initHooks_closure(getTag);
  	      $.alternateTagFunction = new A.initHooks_closure0(getUnknownTag);
  	      $.prototypeForTagFunction = new A.initHooks_closure1(prototypeForTag);
  	    },
  	    applyHooksTransformer(transformer, hooks) {
  	      return transformer(hooks) || hooks;
  	    },
  	    _RecordN__equalValues(a, b) {
  	      var i;
  	      for (i = 0; i < a.length; ++i)
  	        if (!J.$eq$(a[i], b[i]))
  	          return false;
  	      return true;
  	    },
  	    createRecordTypePredicate(shape, fieldRtis) {
  	      var $length = fieldRtis.length,
  	        $function = init.rttc["" + $length + ";" + shape];
  	      if ($function == null)
  	        return null;
  	      if ($length === 0)
  	        return $function;
  	      if ($length === $function.length)
  	        return $function.apply(null, fieldRtis);
  	      return $function(fieldRtis);
  	    },
  	    JSSyntaxRegExp_makeNative(source, multiLine, caseSensitive, unicode, dotAll, extraFlags) {
  	      var m = multiLine ? "m" : "",
  	        i = caseSensitive ? "" : "i",
  	        u = unicode ? "u" : "",
  	        s = dotAll ? "s" : "",
  	        regexp = function(source, modifiers) {
  	          try {
  	            return new RegExp(source, modifiers);
  	          } catch (e) {
  	            return e;
  	          }
  	        }(source, m + i + u + s + extraFlags);
  	      if (regexp instanceof RegExp)
  	        return regexp;
  	      throw A.wrapException(A.FormatException$("Illegal RegExp pattern (" + String(regexp) + ")", source, null));
  	    },
  	    stringContainsUnchecked(receiver, other, startIndex) {
  	      var t1;
  	      if (typeof other == "string")
  	        return receiver.indexOf(other, startIndex) >= 0;
  	      else if (other instanceof A.JSSyntaxRegExp) {
  	        t1 = B.JSString_methods.substring$1(receiver, startIndex);
  	        return other._nativeRegExp.test(t1);
  	      } else
  	        return !J.allMatches$1$s(other, B.JSString_methods.substring$1(receiver, startIndex)).get$isEmpty(0);
  	    },
  	    escapeReplacement(replacement) {
  	      if (replacement.indexOf("$", 0) >= 0)
  	        return replacement.replace(/\$/g, "$$$$");
  	      return replacement;
  	    },
  	    stringReplaceFirstRE(receiver, regexp, replacement, startIndex) {
  	      var match = regexp._execGlobal$2(receiver, startIndex);
  	      if (match == null)
  	        return receiver;
  	      return A.stringReplaceRangeUnchecked(receiver, match._match.index, match.get$end(0), replacement);
  	    },
  	    quoteStringForRegExp(string) {
  	      if (/[[\]{}()*+?.\\^$|]/.test(string))
  	        return string.replace(/[[\]{}()*+?.\\^$|]/g, "\\$&");
  	      return string;
  	    },
  	    stringReplaceAllUnchecked(receiver, pattern, replacement) {
  	      var nativeRegexp;
  	      if (typeof pattern == "string")
  	        return A.stringReplaceAllUncheckedString(receiver, pattern, replacement);
  	      if (pattern instanceof A.JSSyntaxRegExp) {
  	        nativeRegexp = pattern.get$_nativeGlobalVersion();
  	        nativeRegexp.lastIndex = 0;
  	        return receiver.replace(nativeRegexp, A.escapeReplacement(replacement));
  	      }
  	      return A.stringReplaceAllGeneral(receiver, pattern, replacement);
  	    },
  	    stringReplaceAllGeneral(receiver, pattern, replacement) {
  	      var t1, startIndex, t2, match;
  	      for (t1 = J.allMatches$1$s(pattern, receiver), t1 = t1.get$iterator(t1), startIndex = 0, t2 = ""; t1.moveNext$0();) {
  	        match = t1.get$current(t1);
  	        t2 = t2 + receiver.substring(startIndex, match.get$start(match)) + replacement;
  	        startIndex = match.get$end(match);
  	      }
  	      t1 = t2 + receiver.substring(startIndex);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    stringReplaceAllUncheckedString(receiver, pattern, replacement) {
  	      var $length, t1, i;
  	      if (pattern === "") {
  	        if (receiver === "")
  	          return replacement;
  	        $length = receiver.length;
  	        for (t1 = replacement, i = 0; i < $length; ++i)
  	          t1 = t1 + receiver[i] + replacement;
  	        return t1.charCodeAt(0) == 0 ? t1 : t1;
  	      }
  	      if (receiver.indexOf(pattern, 0) < 0)
  	        return receiver;
  	      if (receiver.length < 500 || replacement.indexOf("$", 0) >= 0)
  	        return receiver.split(pattern).join(replacement);
  	      return receiver.replace(new RegExp(A.quoteStringForRegExp(pattern), "g"), A.escapeReplacement(replacement));
  	    },
  	    stringReplaceFirstUnchecked(receiver, pattern, replacement, startIndex) {
  	      var index, t1, matches, match;
  	      if (typeof pattern == "string") {
  	        index = receiver.indexOf(pattern, startIndex);
  	        if (index < 0)
  	          return receiver;
  	        return A.stringReplaceRangeUnchecked(receiver, index, index + pattern.length, replacement);
  	      }
  	      if (pattern instanceof A.JSSyntaxRegExp)
  	        return startIndex === 0 ? receiver.replace(pattern._nativeRegExp, A.escapeReplacement(replacement)) : A.stringReplaceFirstRE(receiver, pattern, replacement, startIndex);
  	      t1 = J.allMatches$2$s(pattern, receiver, startIndex);
  	      matches = t1.get$iterator(t1);
  	      if (!matches.moveNext$0())
  	        return receiver;
  	      match = matches.get$current(matches);
  	      return B.JSString_methods.replaceRange$3(receiver, match.get$start(match), match.get$end(match), replacement);
  	    },
  	    stringReplaceRangeUnchecked(receiver, start, end, replacement) {
  	      return receiver.substring(0, start) + replacement + receiver.substring(end);
  	    },
  	    _Record_1: function _Record_1(t0) {
  	      this._0 = t0;
  	    },
  	    _Record_2: function _Record_2(t0, t1) {
  	      this._0 = t0;
  	      this._1 = t1;
  	    },
  	    _Record_2_forImport: function _Record_2_forImport(t0, t1) {
  	      this._0 = t0;
  	      this._1 = t1;
  	    },
  	    _Record_2_imports_modules: function _Record_2_imports_modules(t0, t1) {
  	      this._0 = t0;
  	      this._1 = t1;
  	    },
  	    _Record_2_loadedUrls_stylesheet: function _Record_2_loadedUrls_stylesheet(t0, t1) {
  	      this._0 = t0;
  	      this._1 = t1;
  	    },
  	    _Record_2_sourceMap: function _Record_2_sourceMap(t0, t1) {
  	      this._0 = t0;
  	      this._1 = t1;
  	    },
  	    _Record_3: function _Record_3(t0, t1, t2) {
  	      this._0 = t0;
  	      this._1 = t1;
  	      this._2 = t2;
  	    },
  	    _Record_3_deprecation_message_span: function _Record_3_deprecation_message_span(t0, t1, t2) {
  	      this._0 = t0;
  	      this._1 = t1;
  	      this._2 = t2;
  	    },
  	    _Record_3_forImport: function _Record_3_forImport(t0, t1, t2) {
  	      this._0 = t0;
  	      this._1 = t1;
  	      this._2 = t2;
  	    },
  	    _Record_3_importer_isDependency: function _Record_3_importer_isDependency(t0, t1, t2) {
  	      this._0 = t0;
  	      this._1 = t1;
  	      this._2 = t2;
  	    },
  	    _Record_3_originalUrl: function _Record_3_originalUrl(t0, t1, t2) {
  	      this._0 = t0;
  	      this._1 = t1;
  	      this._2 = t2;
  	    },
  	    _Record_5_named_namedNodes_positional_positionalNodes_separator: function _Record_5_named_namedNodes_positional_positionalNodes_separator(t0) {
  	      this._values = t0;
  	    },
  	    ConstantMapView: function ConstantMapView(t0, t1) {
  	      this._map = t0;
  	      this.$ti = t1;
  	    },
  	    ConstantMap: function ConstantMap() {
  	    },
  	    ConstantStringMap: function ConstantStringMap(t0, t1, t2) {
  	      this._jsIndex = t0;
  	      this._values = t1;
  	      this.$ti = t2;
  	    },
  	    _KeysOrValues: function _KeysOrValues(t0, t1) {
  	      this._elements = t0;
  	      this.$ti = t1;
  	    },
  	    _KeysOrValuesOrElementsIterator: function _KeysOrValuesOrElementsIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._elements = t0;
  	      _.__js_helper$_length = t1;
  	      _.__js_helper$_index = 0;
  	      _.__js_helper$_current = null;
  	      _.$ti = t2;
  	    },
  	    ConstantSet: function ConstantSet() {
  	    },
  	    ConstantStringSet: function ConstantStringSet(t0, t1, t2) {
  	      this._jsIndex = t0;
  	      this.__js_helper$_length = t1;
  	      this.$ti = t2;
  	    },
  	    GeneralConstantSet: function GeneralConstantSet(t0, t1) {
  	      this._elements = t0;
  	      this.$ti = t1;
  	    },
  	    Instantiation: function Instantiation() {
  	    },
  	    Instantiation1: function Instantiation1(t0, t1) {
  	      this._genericClosure = t0;
  	      this.$ti = t1;
  	    },
  	    JSInvocationMirror: function JSInvocationMirror(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.__js_helper$_memberName = t0;
  	      _.__js_helper$_kind = t1;
  	      _._arguments = t2;
  	      _._namedArgumentNames = t3;
  	      _._typeArgumentCount = t4;
  	    },
  	    Primitives_functionNoSuchMethod_closure: function Primitives_functionNoSuchMethod_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.namedArgumentList = t1;
  	      this.$arguments = t2;
  	    },
  	    SafeToStringHook: function SafeToStringHook() {
  	    },
  	    TypeErrorDecoder: function TypeErrorDecoder(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._pattern = t0;
  	      _._arguments = t1;
  	      _._argumentsExpr = t2;
  	      _._expr = t3;
  	      _._method = t4;
  	      _._receiver = t5;
  	    },
  	    NullError: function NullError() {
  	    },
  	    JsNoSuchMethodError: function JsNoSuchMethodError(t0, t1, t2) {
  	      this.__js_helper$_message = t0;
  	      this._method = t1;
  	      this._receiver = t2;
  	    },
  	    UnknownJsTypeError: function UnknownJsTypeError(t0) {
  	      this.__js_helper$_message = t0;
  	    },
  	    NullThrownFromJavaScriptException: function NullThrownFromJavaScriptException(t0) {
  	      this._irritant = t0;
  	    },
  	    ExceptionAndStackTrace: function ExceptionAndStackTrace(t0, t1) {
  	      this.dartException = t0;
  	      this.stackTrace = t1;
  	    },
  	    _StackTrace: function _StackTrace(t0) {
  	      this._exception = t0;
  	      this._trace = null;
  	    },
  	    Closure: function Closure() {
  	    },
  	    Closure0Args: function Closure0Args() {
  	    },
  	    Closure2Args: function Closure2Args() {
  	    },
  	    TearOffClosure: function TearOffClosure() {
  	    },
  	    StaticClosure: function StaticClosure() {
  	    },
  	    BoundClosure: function BoundClosure(t0, t1) {
  	      this._receiver = t0;
  	      this._interceptor = t1;
  	    },
  	    RuntimeError: function RuntimeError(t0) {
  	      this.message = t0;
  	    },
  	    _Required: function _Required() {
  	    },
  	    JsLinkedHashMap: function JsLinkedHashMap(t0) {
  	      var _ = this;
  	      _.__js_helper$_length = 0;
  	      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
  	      _._modifications = 0;
  	      _.$ti = t0;
  	    },
  	    JsLinkedHashMap_addAll_closure: function JsLinkedHashMap_addAll_closure(t0) {
  	      this.$this = t0;
  	    },
  	    LinkedHashMapCell: function LinkedHashMapCell(t0, t1) {
  	      var _ = this;
  	      _.hashMapCellKey = t0;
  	      _.hashMapCellValue = t1;
  	      _._previous = _._next = null;
  	    },
  	    LinkedHashMapKeysIterable: function LinkedHashMapKeysIterable(t0, t1) {
  	      this.__js_helper$_map = t0;
  	      this.$ti = t1;
  	    },
  	    LinkedHashMapKeyIterator: function LinkedHashMapKeyIterator(t0, t1, t2) {
  	      var _ = this;
  	      _.__js_helper$_map = t0;
  	      _._modifications = t1;
  	      _._cell = t2;
  	      _.__js_helper$_current = null;
  	    },
  	    LinkedHashMapValuesIterable: function LinkedHashMapValuesIterable(t0, t1) {
  	      this.__js_helper$_map = t0;
  	      this.$ti = t1;
  	    },
  	    LinkedHashMapValueIterator: function LinkedHashMapValueIterator(t0, t1, t2) {
  	      var _ = this;
  	      _.__js_helper$_map = t0;
  	      _._modifications = t1;
  	      _._cell = t2;
  	      _.__js_helper$_current = null;
  	    },
  	    LinkedHashMapEntriesIterable: function LinkedHashMapEntriesIterable(t0, t1) {
  	      this.__js_helper$_map = t0;
  	      this.$ti = t1;
  	    },
  	    LinkedHashMapEntryIterator: function LinkedHashMapEntryIterator(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.__js_helper$_map = t0;
  	      _._modifications = t1;
  	      _._cell = t2;
  	      _.__js_helper$_current = null;
  	      _.$ti = t3;
  	    },
  	    JsIdentityLinkedHashMap: function JsIdentityLinkedHashMap(t0) {
  	      var _ = this;
  	      _.__js_helper$_length = 0;
  	      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
  	      _._modifications = 0;
  	      _.$ti = t0;
  	    },
  	    JsConstantLinkedHashMap: function JsConstantLinkedHashMap(t0) {
  	      var _ = this;
  	      _.__js_helper$_length = 0;
  	      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
  	      _._modifications = 0;
  	      _.$ti = t0;
  	    },
  	    initHooks_closure: function initHooks_closure(t0) {
  	      this.getTag = t0;
  	    },
  	    initHooks_closure0: function initHooks_closure0(t0) {
  	      this.getUnknownTag = t0;
  	    },
  	    initHooks_closure1: function initHooks_closure1(t0) {
  	      this.prototypeForTag = t0;
  	    },
  	    _Record: function _Record() {
  	    },
  	    _Record2: function _Record2() {
  	    },
  	    _Record1: function _Record1() {
  	    },
  	    _Record3: function _Record3() {
  	    },
  	    _RecordN: function _RecordN() {
  	    },
  	    JSSyntaxRegExp: function JSSyntaxRegExp(t0, t1) {
  	      var _ = this;
  	      _.pattern = t0;
  	      _._nativeRegExp = t1;
  	      _._hasCapturesCache = _._nativeAnchoredRegExp = _._nativeGlobalRegExp = null;
  	    },
  	    _MatchImplementation: function _MatchImplementation(t0) {
  	      this._match = t0;
  	    },
  	    _AllMatchesIterable: function _AllMatchesIterable(t0, t1, t2) {
  	      this._re = t0;
  	      this.__js_helper$_string = t1;
  	      this.__js_helper$_start = t2;
  	    },
  	    _AllMatchesIterator: function _AllMatchesIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._regExp = t0;
  	      _.__js_helper$_string = t1;
  	      _._nextIndex = t2;
  	      _.__js_helper$_current = null;
  	    },
  	    StringMatch: function StringMatch(t0, t1) {
  	      this.start = t0;
  	      this.pattern = t1;
  	    },
  	    _StringAllMatchesIterable: function _StringAllMatchesIterable(t0, t1, t2) {
  	      this._input = t0;
  	      this._pattern = t1;
  	      this.__js_helper$_index = t2;
  	    },
  	    _StringAllMatchesIterator: function _StringAllMatchesIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._input = t0;
  	      _._pattern = t1;
  	      _.__js_helper$_index = t2;
  	      _.__js_helper$_current = null;
  	    },
  	    throwLateFieldADI(fieldName) {
  	      throw A.initializeExceptionWrapper(A.LateError$fieldADI(fieldName), new Error());
  	    },
  	    throwUnnamedLateFieldNI() {
  	      throw A.initializeExceptionWrapper(A.LateError$fieldNI(""), new Error());
  	    },
  	    throwUnnamedLateFieldAI() {
  	      throw A.initializeExceptionWrapper(A.LateError$fieldAI(""), new Error());
  	    },
  	    throwUnnamedLateFieldADI() {
  	      throw A.initializeExceptionWrapper(A.LateError$fieldADI(""), new Error());
  	    },
  	    _Cell$() {
  	      var t1 = new A._Cell();
  	      return t1.__late_helper$_value = t1;
  	    },
  	    _Cell: function _Cell() {
  	      this.__late_helper$_value = null;
  	    },
  	    _ensureNativeList(list) {
  	      return list;
  	    },
  	    NativeFloat64List_NativeFloat64List$fromList(elements) {
  	      return new Float64Array(A._ensureNativeList(elements));
  	    },
  	    NativeInt8List__create1(arg) {
  	      return new Int8Array(arg);
  	    },
  	    NativeUint8List_NativeUint8List($length) {
  	      return new Uint8Array($length);
  	    },
  	    _checkValidIndex(index, list, $length) {
  	      if (index >>> 0 !== index || index >= $length)
  	        throw A.wrapException(A.diagnoseIndexError(list, index));
  	    },
  	    _checkValidRange(start, end, $length) {
  	      var t1;
  	      if (!(start >>> 0 !== start))
  	        if (end == null)
  	          t1 = start > $length;
  	        else
  	          t1 = end >>> 0 !== end || start > end || end > $length;
  	      else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(A.diagnoseRangeError(start, end, $length));
  	      if (end == null)
  	        return $length;
  	      return end;
  	    },
  	    NativeByteBuffer: function NativeByteBuffer() {
  	    },
  	    NativeTypedData: function NativeTypedData() {
  	    },
  	    NativeByteData: function NativeByteData() {
  	    },
  	    NativeTypedArray: function NativeTypedArray() {
  	    },
  	    NativeTypedArrayOfDouble: function NativeTypedArrayOfDouble() {
  	    },
  	    NativeTypedArrayOfInt: function NativeTypedArrayOfInt() {
  	    },
  	    NativeFloat32List: function NativeFloat32List() {
  	    },
  	    NativeFloat64List: function NativeFloat64List() {
  	    },
  	    NativeInt16List: function NativeInt16List() {
  	    },
  	    NativeInt32List: function NativeInt32List() {
  	    },
  	    NativeInt8List: function NativeInt8List() {
  	    },
  	    NativeUint16List: function NativeUint16List() {
  	    },
  	    NativeUint32List: function NativeUint32List() {
  	    },
  	    NativeUint8ClampedList: function NativeUint8ClampedList() {
  	    },
  	    NativeUint8List: function NativeUint8List() {
  	    },
  	    _NativeTypedArrayOfDouble_NativeTypedArray_ListMixin: function _NativeTypedArrayOfDouble_NativeTypedArray_ListMixin() {
  	    },
  	    _NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin: function _NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin() {
  	    },
  	    _NativeTypedArrayOfInt_NativeTypedArray_ListMixin: function _NativeTypedArrayOfInt_NativeTypedArray_ListMixin() {
  	    },
  	    _NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin: function _NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin() {
  	    },
  	    Rti__getFutureFromFutureOr(universe, rti) {
  	      var future = rti._precomputed1;
  	      return future == null ? rti._precomputed1 = A._Universe__lookupInterfaceRti(universe, "Future", [rti._primary]) : future;
  	    },
  	    Rti__isUnionOfFunctionType(rti) {
  	      var kind = rti._kind;
  	      if (kind === 6 || kind === 7)
  	        return A.Rti__isUnionOfFunctionType(rti._primary);
  	      return kind === 11 || kind === 12;
  	    },
  	    Rti__getCanonicalRecipe(rti) {
  	      return rti._canonicalRecipe;
  	    },
  	    pairwiseIsTest(fieldRtis, values) {
  	      var i,
  	        $length = values.length;
  	      for (i = 0; i < $length; ++i)
  	        if (!fieldRtis[i]._is(values[i]))
  	          return false;
  	      return true;
  	    },
  	    findType(recipe) {
  	      return A._Universe_eval(init.typeUniverse, recipe, false);
  	    },
  	    instantiatedGenericFunctionType(genericFunctionRti, instantiationRti) {
  	      var t1, cache, key, probe, rti;
  	      if (genericFunctionRti == null)
  	        return null;
  	      t1 = instantiationRti._rest;
  	      cache = genericFunctionRti._bindCache;
  	      if (cache == null)
  	        cache = genericFunctionRti._bindCache = new Map();
  	      key = instantiationRti._canonicalRecipe;
  	      probe = cache.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = A._substitute(init.typeUniverse, genericFunctionRti._primary, t1, 0);
  	      cache.set(key, rti);
  	      return rti;
  	    },
  	    _substitute(universe, rti, typeArguments, depth) {
  	      var baseType, substitutedBaseType, interfaceTypeArguments, substitutedInterfaceTypeArguments, base, substitutedBase, $arguments, substitutedArguments, t1, fields, substitutedFields, returnType, substitutedReturnType, functionParameters, substitutedFunctionParameters, bounds, substitutedBounds, index, argument,
  	        kind = rti._kind;
  	      switch (kind) {
  	        case 5:
  	        case 1:
  	        case 2:
  	        case 3:
  	        case 4:
  	          return rti;
  	        case 6:
  	          baseType = rti._primary;
  	          substitutedBaseType = A._substitute(universe, baseType, typeArguments, depth);
  	          if (substitutedBaseType === baseType)
  	            return rti;
  	          return A._Universe__lookupQuestionRti(universe, substitutedBaseType, true);
  	        case 7:
  	          baseType = rti._primary;
  	          substitutedBaseType = A._substitute(universe, baseType, typeArguments, depth);
  	          if (substitutedBaseType === baseType)
  	            return rti;
  	          return A._Universe__lookupFutureOrRti(universe, substitutedBaseType, true);
  	        case 8:
  	          interfaceTypeArguments = rti._rest;
  	          substitutedInterfaceTypeArguments = A._substituteArray(universe, interfaceTypeArguments, typeArguments, depth);
  	          if (substitutedInterfaceTypeArguments === interfaceTypeArguments)
  	            return rti;
  	          return A._Universe__lookupInterfaceRti(universe, rti._primary, substitutedInterfaceTypeArguments);
  	        case 9:
  	          base = rti._primary;
  	          substitutedBase = A._substitute(universe, base, typeArguments, depth);
  	          $arguments = rti._rest;
  	          substitutedArguments = A._substituteArray(universe, $arguments, typeArguments, depth);
  	          if (substitutedBase === base && substitutedArguments === $arguments)
  	            return rti;
  	          return A._Universe__lookupBindingRti(universe, substitutedBase, substitutedArguments);
  	        case 10:
  	          t1 = rti._primary;
  	          fields = rti._rest;
  	          substitutedFields = A._substituteArray(universe, fields, typeArguments, depth);
  	          if (substitutedFields === fields)
  	            return rti;
  	          return A._Universe__lookupRecordRti(universe, t1, substitutedFields);
  	        case 11:
  	          returnType = rti._primary;
  	          substitutedReturnType = A._substitute(universe, returnType, typeArguments, depth);
  	          functionParameters = rti._rest;
  	          substitutedFunctionParameters = A._substituteFunctionParameters(universe, functionParameters, typeArguments, depth);
  	          if (substitutedReturnType === returnType && substitutedFunctionParameters === functionParameters)
  	            return rti;
  	          return A._Universe__lookupFunctionRti(universe, substitutedReturnType, substitutedFunctionParameters);
  	        case 12:
  	          bounds = rti._rest;
  	          depth += bounds.length;
  	          substitutedBounds = A._substituteArray(universe, bounds, typeArguments, depth);
  	          base = rti._primary;
  	          substitutedBase = A._substitute(universe, base, typeArguments, depth);
  	          if (substitutedBounds === bounds && substitutedBase === base)
  	            return rti;
  	          return A._Universe__lookupGenericFunctionRti(universe, substitutedBase, substitutedBounds, true);
  	        case 13:
  	          index = rti._primary;
  	          if (index < depth)
  	            return rti;
  	          argument = typeArguments[index - depth];
  	          if (argument == null)
  	            return rti;
  	          return argument;
  	        default:
  	          throw A.wrapException(A.AssertionError$("Attempted to substitute unexpected RTI kind " + kind));
  	      }
  	    },
  	    _substituteArray(universe, rtiArray, typeArguments, depth) {
  	      var changed, i, rti, substitutedRti,
  	        $length = rtiArray.length,
  	        result = A._Utils_newArrayOrEmpty($length);
  	      for (changed = false, i = 0; i < $length; ++i) {
  	        rti = rtiArray[i];
  	        substitutedRti = A._substitute(universe, rti, typeArguments, depth);
  	        if (substitutedRti !== rti)
  	          changed = true;
  	        result[i] = substitutedRti;
  	      }
  	      return changed ? result : rtiArray;
  	    },
  	    _substituteNamed(universe, namedArray, typeArguments, depth) {
  	      var changed, i, t1, t2, rti, substitutedRti,
  	        $length = namedArray.length,
  	        result = A._Utils_newArrayOrEmpty($length);
  	      for (changed = false, i = 0; i < $length; i += 3) {
  	        t1 = namedArray[i];
  	        t2 = namedArray[i + 1];
  	        rti = namedArray[i + 2];
  	        substitutedRti = A._substitute(universe, rti, typeArguments, depth);
  	        if (substitutedRti !== rti)
  	          changed = true;
  	        result.splice(i, 3, t1, t2, substitutedRti);
  	      }
  	      return changed ? result : namedArray;
  	    },
  	    _substituteFunctionParameters(universe, functionParameters, typeArguments, depth) {
  	      var result,
  	        requiredPositional = functionParameters._requiredPositional,
  	        substitutedRequiredPositional = A._substituteArray(universe, requiredPositional, typeArguments, depth),
  	        optionalPositional = functionParameters._optionalPositional,
  	        substitutedOptionalPositional = A._substituteArray(universe, optionalPositional, typeArguments, depth),
  	        named = functionParameters._named,
  	        substitutedNamed = A._substituteNamed(universe, named, typeArguments, depth);
  	      if (substitutedRequiredPositional === requiredPositional && substitutedOptionalPositional === optionalPositional && substitutedNamed === named)
  	        return functionParameters;
  	      result = new A._FunctionParameters();
  	      result._requiredPositional = substitutedRequiredPositional;
  	      result._optionalPositional = substitutedOptionalPositional;
  	      result._named = substitutedNamed;
  	      return result;
  	    },
  	    _setArrayType(target, rti) {
  	      target[init.arrayRti] = rti;
  	      return target;
  	    },
  	    closureFunctionType(closure) {
  	      var signature = closure.$signature;
  	      if (signature != null) {
  	        if (typeof signature == "number")
  	          return A.getTypeFromTypesTable(signature);
  	        return closure.$signature();
  	      }
  	      return null;
  	    },
  	    instanceOrFunctionType(object, testRti) {
  	      var rti;
  	      if (A.Rti__isUnionOfFunctionType(testRti))
  	        if (object instanceof A.Closure) {
  	          rti = A.closureFunctionType(object);
  	          if (rti != null)
  	            return rti;
  	        }
  	      return A.instanceType(object);
  	    },
  	    instanceType(object) {
  	      if (object instanceof A.Object)
  	        return A._instanceType(object);
  	      if (Array.isArray(object))
  	        return A._arrayInstanceType(object);
  	      return A._instanceTypeFromConstructor(J.getInterceptor$(object));
  	    },
  	    _arrayInstanceType(object) {
  	      var rti = object[init.arrayRti],
  	        defaultRti = type$.JSArray_dynamic;
  	      if (rti == null)
  	        return defaultRti;
  	      if (rti.constructor !== defaultRti.constructor)
  	        return defaultRti;
  	      return rti;
  	    },
  	    _instanceType(object) {
  	      var rti = object.$ti;
  	      return rti != null ? rti : A._instanceTypeFromConstructor(object);
  	    },
  	    _instanceTypeFromConstructor(instance) {
  	      var $constructor = instance.constructor,
  	        probe = $constructor.$ccache;
  	      if (probe != null)
  	        return probe;
  	      return A._instanceTypeFromConstructorMiss(instance, $constructor);
  	    },
  	    _instanceTypeFromConstructorMiss(instance, $constructor) {
  	      var effectiveConstructor = instance instanceof A.Closure ? Object.getPrototypeOf(Object.getPrototypeOf(instance)).constructor : $constructor,
  	        rti = A._Universe_findErasedType(init.typeUniverse, effectiveConstructor.name);
  	      $constructor.$ccache = rti;
  	      return rti;
  	    },
  	    getTypeFromTypesTable(index) {
  	      var rti,
  	        table = init.types,
  	        type = table[index];
  	      if (typeof type == "string") {
  	        rti = A._Universe_eval(init.typeUniverse, type, false);
  	        table[index] = rti;
  	        return rti;
  	      }
  	      return type;
  	    },
  	    getRuntimeTypeOfDartObject(object) {
  	      return A.createRuntimeType(A._instanceType(object));
  	    },
  	    getRuntimeTypeOfClosure(closure) {
  	      var rti = A.closureFunctionType(closure);
  	      return A.createRuntimeType(rti == null ? A.instanceType(closure) : rti);
  	    },
  	    _structuralTypeOf(object) {
  	      var functionRti;
  	      if (object instanceof A._Record)
  	        return A.evaluateRtiForRecord(object.$recipe, object._getFieldValues$0());
  	      functionRti = object instanceof A.Closure ? A.closureFunctionType(object) : null;
  	      if (functionRti != null)
  	        return functionRti;
  	      if (type$.TrustedGetRuntimeType._is(object))
  	        return J.get$runtimeType$(object)._rti;
  	      if (Array.isArray(object))
  	        return A._arrayInstanceType(object);
  	      return A.instanceType(object);
  	    },
  	    createRuntimeType(rti) {
  	      var t1 = rti._cachedRuntimeType;
  	      return t1 == null ? rti._cachedRuntimeType = new A._Type(rti) : t1;
  	    },
  	    evaluateRtiForRecord(recordRecipe, valuesList) {
  	      var bindings, i,
  	        values = valuesList,
  	        $length = values.length;
  	      if ($length === 0)
  	        return type$.Record_0;
  	      bindings = A._Universe_evalInEnvironment(init.typeUniverse, A._structuralTypeOf(values[0]), "@<0>");
  	      for (i = 1; i < $length; ++i)
  	        bindings = A._Universe_bind(init.typeUniverse, bindings, A._structuralTypeOf(values[i]));
  	      return A._Universe_evalInEnvironment(init.typeUniverse, bindings, recordRecipe);
  	    },
  	    typeLiteral(recipe) {
  	      return A.createRuntimeType(A._Universe_eval(init.typeUniverse, recipe, false));
  	    },
  	    _installSpecializedIsTest(object) {
  	      var testRti = this;
  	      testRti._is = A._specializedIsTest(testRti);
  	      return testRti._is(object);
  	    },
  	    _specializedIsTest(testRti) {
  	      var kind, simpleIsFn, $name, predicate;
  	      if (testRti === type$.Object)
  	        return A._isObject;
  	      if (A.isTopType(testRti))
  	        return A._isTop;
  	      kind = testRti._kind;
  	      if (kind === 6)
  	        return A._generalNullableIsTestImplementation;
  	      if (kind === 1)
  	        return A._isNever;
  	      if (kind === 7)
  	        return A._isFutureOr;
  	      simpleIsFn = A._simpleSpecializedIsTest(testRti);
  	      if (simpleIsFn != null)
  	        return simpleIsFn;
  	      if (kind === 8) {
  	        $name = testRti._primary;
  	        if (testRti._rest.every(A.isTopType)) {
  	          testRti._specializedTestResource = "$is" + $name;
  	          if ($name === "List")
  	            return A._isListTestViaProperty;
  	          if (testRti === type$.JSObject)
  	            return A._isJSObject;
  	          return A._isTestViaProperty;
  	        }
  	      } else if (kind === 10) {
  	        predicate = A.createRecordTypePredicate(testRti._primary, testRti._rest);
  	        return predicate == null ? A._isNever : predicate;
  	      }
  	      return A._generalIsTestImplementation;
  	    },
  	    _simpleSpecializedIsTest(testRti) {
  	      if (testRti._kind === 8) {
  	        if (testRti === type$.int)
  	          return A._isInt;
  	        if (testRti === type$.double || testRti === type$.num)
  	          return A._isNum;
  	        if (testRti === type$.String)
  	          return A._isString;
  	        if (testRti === type$.bool)
  	          return A._isBool;
  	      }
  	      return null;
  	    },
  	    _installSpecializedAsCheck(object) {
  	      var testRti = this,
  	        asFn = A._generalAsCheckImplementation;
  	      if (A.isTopType(testRti))
  	        asFn = A._asTop;
  	      else if (testRti === type$.Object)
  	        asFn = A._asObject;
  	      else if (A.isNullable(testRti)) {
  	        asFn = A._generalNullableAsCheckImplementation;
  	        if (testRti === type$.nullable_int)
  	          asFn = A._asIntQ;
  	        else if (testRti === type$.nullable_String)
  	          asFn = A._asStringQ;
  	        else if (testRti === type$.nullable_bool)
  	          asFn = A._asBoolQ;
  	        else if (testRti === type$.nullable_num)
  	          asFn = A._asNumQ;
  	        else if (testRti === type$.nullable_double)
  	          asFn = A._asDoubleQ;
  	        else if (testRti === type$.nullable_JSObject)
  	          asFn = A._asJSObjectQ;
  	      } else if (testRti === type$.int)
  	        asFn = A._asInt;
  	      else if (testRti === type$.String)
  	        asFn = A._asString;
  	      else if (testRti === type$.bool)
  	        asFn = A._asBool;
  	      else if (testRti === type$.num)
  	        asFn = A._asNum;
  	      else if (testRti === type$.double)
  	        asFn = A._asDouble;
  	      else if (testRti === type$.JSObject)
  	        asFn = A._asJSObject;
  	      testRti._as = asFn;
  	      return testRti._as(object);
  	    },
  	    _generalIsTestImplementation(object) {
  	      var testRti = this;
  	      if (object == null)
  	        return A.isNullable(testRti);
  	      return A.isSubtype(init.typeUniverse, A.instanceOrFunctionType(object, testRti), testRti);
  	    },
  	    _generalNullableIsTestImplementation(object) {
  	      if (object == null)
  	        return true;
  	      return this._primary._is(object);
  	    },
  	    _isTestViaProperty(object) {
  	      var tag, testRti = this;
  	      if (object == null)
  	        return A.isNullable(testRti);
  	      tag = testRti._specializedTestResource;
  	      if (object instanceof A.Object)
  	        return !!object[tag];
  	      return !!J.getInterceptor$(object)[tag];
  	    },
  	    _isListTestViaProperty(object) {
  	      var tag, testRti = this;
  	      if (object == null)
  	        return A.isNullable(testRti);
  	      if (typeof object != "object")
  	        return false;
  	      if (Array.isArray(object))
  	        return true;
  	      tag = testRti._specializedTestResource;
  	      if (object instanceof A.Object)
  	        return !!object[tag];
  	      return !!J.getInterceptor$(object)[tag];
  	    },
  	    _isJSObject(object) {
  	      var t1 = this;
  	      if (object == null)
  	        return false;
  	      if (typeof object == "object") {
  	        if (object instanceof A.Object)
  	          return !!object[t1._specializedTestResource];
  	        return true;
  	      }
  	      if (typeof object == "function")
  	        return true;
  	      return false;
  	    },
  	    _isJSObjectStandalone(object) {
  	      if (typeof object == "object") {
  	        if (object instanceof A.Object)
  	          return type$.JSObject._is(object);
  	        return true;
  	      }
  	      if (typeof object == "function")
  	        return true;
  	      return false;
  	    },
  	    _generalAsCheckImplementation(object) {
  	      var testRti = this;
  	      if (object == null) {
  	        if (A.isNullable(testRti))
  	          return object;
  	      } else if (testRti._is(object))
  	        return object;
  	      throw A.initializeExceptionWrapper(A._errorForAsCheck(object, testRti), new Error());
  	    },
  	    _generalNullableAsCheckImplementation(object) {
  	      var testRti = this;
  	      if (object == null || testRti._is(object))
  	        return object;
  	      throw A.initializeExceptionWrapper(A._errorForAsCheck(object, testRti), new Error());
  	    },
  	    _errorForAsCheck(object, testRti) {
  	      return new A._TypeError("TypeError: " + A._Error_compose(object, A._rtiToString(testRti, null)));
  	    },
  	    _Error_compose(object, checkedTypeDescription) {
  	      return A.Error_safeToString(object) + ": type '" + A._rtiToString(A._structuralTypeOf(object), null) + "' is not a subtype of type '" + checkedTypeDescription + "'";
  	    },
  	    _TypeError__TypeError$forType(object, type) {
  	      return new A._TypeError("TypeError: " + A._Error_compose(object, type));
  	    },
  	    _isFutureOr(object) {
  	      var testRti = this;
  	      return testRti._primary._is(object) || A.Rti__getFutureFromFutureOr(init.typeUniverse, testRti)._is(object);
  	    },
  	    _isObject(object) {
  	      return object != null;
  	    },
  	    _asObject(object) {
  	      if (object != null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "Object"), new Error());
  	    },
  	    _isTop(object) {
  	      return true;
  	    },
  	    _asTop(object) {
  	      return object;
  	    },
  	    _isNever(object) {
  	      return false;
  	    },
  	    _isBool(object) {
  	      return true === object || false === object;
  	    },
  	    _asBool(object) {
  	      if (true === object)
  	        return true;
  	      if (false === object)
  	        return false;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "bool"), new Error());
  	    },
  	    _asBoolQ(object) {
  	      if (true === object)
  	        return true;
  	      if (false === object)
  	        return false;
  	      if (object == null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "bool?"), new Error());
  	    },
  	    _asDouble(object) {
  	      if (typeof object == "number")
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "double"), new Error());
  	    },
  	    _asDoubleQ(object) {
  	      if (typeof object == "number")
  	        return object;
  	      if (object == null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "double?"), new Error());
  	    },
  	    _isInt(object) {
  	      return typeof object == "number" && Math.floor(object) === object;
  	    },
  	    _asInt(object) {
  	      if (typeof object == "number" && Math.floor(object) === object)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "int"), new Error());
  	    },
  	    _asIntQ(object) {
  	      if (typeof object == "number" && Math.floor(object) === object)
  	        return object;
  	      if (object == null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "int?"), new Error());
  	    },
  	    _isNum(object) {
  	      return typeof object == "number";
  	    },
  	    _asNum(object) {
  	      if (typeof object == "number")
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "num"), new Error());
  	    },
  	    _asNumQ(object) {
  	      if (typeof object == "number")
  	        return object;
  	      if (object == null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "num?"), new Error());
  	    },
  	    _isString(object) {
  	      return typeof object == "string";
  	    },
  	    _asString(object) {
  	      if (typeof object == "string")
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "String"), new Error());
  	    },
  	    _asStringQ(object) {
  	      if (typeof object == "string")
  	        return object;
  	      if (object == null)
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "String?"), new Error());
  	    },
  	    _asJSObject(object) {
  	      if (A._isJSObjectStandalone(object))
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "JSObject"), new Error());
  	    },
  	    _asJSObjectQ(object) {
  	      if (object == null)
  	        return object;
  	      if (A._isJSObjectStandalone(object))
  	        return object;
  	      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "JSObject?"), new Error());
  	    },
  	    _rtiArrayToString(array, genericContext) {
  	      var s, sep, i;
  	      for (s = "", sep = "", i = 0; i < array.length; ++i, sep = ", ")
  	        s += sep + A._rtiToString(array[i], genericContext);
  	      return s;
  	    },
  	    _recordRtiToString(recordType, genericContext) {
  	      var fieldCount, names, namesIndex, s, comma, i,
  	        partialShape = recordType._primary,
  	        fields = recordType._rest;
  	      if ("" === partialShape)
  	        return "(" + A._rtiArrayToString(fields, genericContext) + ")";
  	      fieldCount = fields.length;
  	      names = partialShape.split(",");
  	      namesIndex = names.length - fieldCount;
  	      for (s = "(", comma = "", i = 0; i < fieldCount; ++i, comma = ", ") {
  	        s += comma;
  	        if (namesIndex === 0)
  	          s += "{";
  	        s += A._rtiToString(fields[i], genericContext);
  	        if (namesIndex >= 0)
  	          s += " " + names[namesIndex];
  	        ++namesIndex;
  	      }
  	      return s + "})";
  	    },
  	    _functionRtiToString(functionType, genericContext, bounds) {
  	      var boundsLength, offset, i, t1, typeParametersText, typeSep, boundRti, kind, parameters, requiredPositional, requiredPositionalLength, optionalPositional, optionalPositionalLength, named, namedLength, returnTypeText, argumentsText, sep, _s2_ = ", ", outerContextLength = null;
  	      if (bounds != null) {
  	        boundsLength = bounds.length;
  	        if (genericContext == null)
  	          genericContext = A._setArrayType([], type$.JSArray_String);
  	        else
  	          outerContextLength = genericContext.length;
  	        offset = genericContext.length;
  	        for (i = boundsLength; i > 0; --i)
  	          genericContext.push("T" + (offset + i));
  	        for (t1 = type$.nullable_Object, typeParametersText = "<", typeSep = "", i = 0; i < boundsLength; ++i, typeSep = _s2_) {
  	          typeParametersText = typeParametersText + typeSep + genericContext[genericContext.length - 1 - i];
  	          boundRti = bounds[i];
  	          kind = boundRti._kind;
  	          if (!(kind === 2 || kind === 3 || kind === 4 || kind === 5 || boundRti === t1))
  	            typeParametersText += " extends " + A._rtiToString(boundRti, genericContext);
  	        }
  	        typeParametersText += ">";
  	      } else
  	        typeParametersText = "";
  	      t1 = functionType._primary;
  	      parameters = functionType._rest;
  	      requiredPositional = parameters._requiredPositional;
  	      requiredPositionalLength = requiredPositional.length;
  	      optionalPositional = parameters._optionalPositional;
  	      optionalPositionalLength = optionalPositional.length;
  	      named = parameters._named;
  	      namedLength = named.length;
  	      returnTypeText = A._rtiToString(t1, genericContext);
  	      for (argumentsText = "", sep = "", i = 0; i < requiredPositionalLength; ++i, sep = _s2_)
  	        argumentsText += sep + A._rtiToString(requiredPositional[i], genericContext);
  	      if (optionalPositionalLength > 0) {
  	        argumentsText += sep + "[";
  	        for (sep = "", i = 0; i < optionalPositionalLength; ++i, sep = _s2_)
  	          argumentsText += sep + A._rtiToString(optionalPositional[i], genericContext);
  	        argumentsText += "]";
  	      }
  	      if (namedLength > 0) {
  	        argumentsText += sep + "{";
  	        for (sep = "", i = 0; i < namedLength; i += 3, sep = _s2_) {
  	          argumentsText += sep;
  	          if (named[i + 1])
  	            argumentsText += "required ";
  	          argumentsText += A._rtiToString(named[i + 2], genericContext) + " " + named[i];
  	        }
  	        argumentsText += "}";
  	      }
  	      if (outerContextLength != null) {
  	        genericContext.toString;
  	        genericContext.length = outerContextLength;
  	      }
  	      return typeParametersText + "(" + argumentsText + ") => " + returnTypeText;
  	    },
  	    _rtiToString(rti, genericContext) {
  	      var questionArgument, s, argumentKind, $name, $arguments, t1,
  	        kind = rti._kind;
  	      if (kind === 5)
  	        return "erased";
  	      if (kind === 2)
  	        return "dynamic";
  	      if (kind === 3)
  	        return "void";
  	      if (kind === 1)
  	        return "Never";
  	      if (kind === 4)
  	        return "any";
  	      if (kind === 6) {
  	        questionArgument = rti._primary;
  	        s = A._rtiToString(questionArgument, genericContext);
  	        argumentKind = questionArgument._kind;
  	        return (argumentKind === 11 || argumentKind === 12 ? "(" + s + ")" : s) + "?";
  	      }
  	      if (kind === 7)
  	        return "FutureOr<" + A._rtiToString(rti._primary, genericContext) + ">";
  	      if (kind === 8) {
  	        $name = A._unminifyOrTag(rti._primary);
  	        $arguments = rti._rest;
  	        return $arguments.length > 0 ? $name + ("<" + A._rtiArrayToString($arguments, genericContext) + ">") : $name;
  	      }
  	      if (kind === 10)
  	        return A._recordRtiToString(rti, genericContext);
  	      if (kind === 11)
  	        return A._functionRtiToString(rti, genericContext, null);
  	      if (kind === 12)
  	        return A._functionRtiToString(rti._primary, genericContext, rti._rest);
  	      if (kind === 13) {
  	        t1 = rti._primary;
  	        return genericContext[genericContext.length - 1 - t1];
  	      }
  	      return "?";
  	    },
  	    _unminifyOrTag(rawClassName) {
  	      var preserved = init.mangledGlobalNames[rawClassName];
  	      if (preserved != null)
  	        return preserved;
  	      return rawClassName;
  	    },
  	    _Universe_findRule(universe, targetType) {
  	      var rule = universe.tR[targetType];
  	      while (typeof rule == "string")
  	        rule = universe.tR[rule];
  	      return rule;
  	    },
  	    _Universe_findErasedType(universe, cls) {
  	      var $length, erased, $arguments, i, $interface,
  	        metadata = universe.eT,
  	        probe = metadata[cls];
  	      if (probe == null)
  	        return A._Universe_eval(universe, cls, false);
  	      else if (typeof probe == "number") {
  	        $length = probe;
  	        erased = A._Universe__lookupTerminalRti(universe, 5, "#");
  	        $arguments = A._Utils_newArrayOrEmpty($length);
  	        for (i = 0; i < $length; ++i)
  	          $arguments[i] = erased;
  	        $interface = A._Universe__lookupInterfaceRti(universe, cls, $arguments);
  	        metadata[cls] = $interface;
  	        return $interface;
  	      } else
  	        return probe;
  	    },
  	    _Universe_addRules(universe, rules) {
  	      return A._Utils_objectAssign(universe.tR, rules);
  	    },
  	    _Universe_addErasedTypes(universe, types) {
  	      return A._Utils_objectAssign(universe.eT, types);
  	    },
  	    _Universe_eval(universe, recipe, normalize) {
  	      var rti,
  	        cache = universe.eC,
  	        probe = cache.get(recipe);
  	      if (probe != null)
  	        return probe;
  	      rti = A._Parser_parse(A._Parser_create(universe, null, recipe, false));
  	      cache.set(recipe, rti);
  	      return rti;
  	    },
  	    _Universe_evalInEnvironment(universe, environment, recipe) {
  	      var probe, rti,
  	        cache = environment._evalCache;
  	      if (cache == null)
  	        cache = environment._evalCache = new Map();
  	      probe = cache.get(recipe);
  	      if (probe != null)
  	        return probe;
  	      rti = A._Parser_parse(A._Parser_create(universe, environment, recipe, true));
  	      cache.set(recipe, rti);
  	      return rti;
  	    },
  	    _Universe_bind(universe, environment, argumentsRti) {
  	      var argumentsRecipe, probe, rti,
  	        cache = environment._bindCache;
  	      if (cache == null)
  	        cache = environment._bindCache = new Map();
  	      argumentsRecipe = argumentsRti._canonicalRecipe;
  	      probe = cache.get(argumentsRecipe);
  	      if (probe != null)
  	        return probe;
  	      rti = A._Universe__lookupBindingRti(universe, environment, argumentsRti._kind === 9 ? argumentsRti._rest : [argumentsRti]);
  	      cache.set(argumentsRecipe, rti);
  	      return rti;
  	    },
  	    _Universe__installTypeTests(universe, rti) {
  	      rti._as = A._installSpecializedAsCheck;
  	      rti._is = A._installSpecializedIsTest;
  	      return rti;
  	    },
  	    _Universe__lookupTerminalRti(universe, kind, key) {
  	      var rti, t1,
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = kind;
  	      rti._canonicalRecipe = key;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__lookupQuestionRti(universe, baseType, normalize) {
  	      var t1,
  	        key = baseType._canonicalRecipe + "?",
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      t1 = A._Universe__createQuestionRti(universe, baseType, key, normalize);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__createQuestionRti(universe, baseType, key, normalize) {
  	      var baseKind, t1, rti;
  	      if (normalize) {
  	        baseKind = baseType._kind;
  	        t1 = true;
  	        if (!A.isTopType(baseType))
  	          if (!(baseType === type$.Null || baseType === type$.JSNull))
  	            if (baseKind !== 6)
  	              t1 = baseKind === 7 && A.isNullable(baseType._primary);
  	        if (t1)
  	          return baseType;
  	        else if (baseKind === 1)
  	          return type$.Null;
  	      }
  	      rti = new A.Rti(null, null);
  	      rti._kind = 6;
  	      rti._primary = baseType;
  	      rti._canonicalRecipe = key;
  	      return A._Universe__installTypeTests(universe, rti);
  	    },
  	    _Universe__lookupFutureOrRti(universe, baseType, normalize) {
  	      var t1,
  	        key = baseType._canonicalRecipe + "/",
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      t1 = A._Universe__createFutureOrRti(universe, baseType, key, normalize);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__createFutureOrRti(universe, baseType, key, normalize) {
  	      var t1, rti;
  	      if (normalize) {
  	        t1 = baseType._kind;
  	        if (A.isTopType(baseType) || baseType === type$.Object)
  	          return baseType;
  	        else if (t1 === 1)
  	          return A._Universe__lookupInterfaceRti(universe, "Future", [baseType]);
  	        else if (baseType === type$.Null || baseType === type$.JSNull)
  	          return type$.nullable_Future_Null;
  	      }
  	      rti = new A.Rti(null, null);
  	      rti._kind = 7;
  	      rti._primary = baseType;
  	      rti._canonicalRecipe = key;
  	      return A._Universe__installTypeTests(universe, rti);
  	    },
  	    _Universe__lookupGenericFunctionParameterRti(universe, index) {
  	      var rti, t1,
  	        key = "" + index + "^",
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = 13;
  	      rti._primary = index;
  	      rti._canonicalRecipe = key;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__canonicalRecipeJoin($arguments) {
  	      var s, sep, i,
  	        $length = $arguments.length;
  	      for (s = "", sep = "", i = 0; i < $length; ++i, sep = ",")
  	        s += sep + $arguments[i]._canonicalRecipe;
  	      return s;
  	    },
  	    _Universe__canonicalRecipeJoinNamed($arguments) {
  	      var s, sep, i, t1, nameSep,
  	        $length = $arguments.length;
  	      for (s = "", sep = "", i = 0; i < $length; i += 3, sep = ",") {
  	        t1 = $arguments[i];
  	        nameSep = $arguments[i + 1] ? "!" : ":";
  	        s += sep + t1 + nameSep + $arguments[i + 2]._canonicalRecipe;
  	      }
  	      return s;
  	    },
  	    _Universe__lookupInterfaceRti(universe, $name, $arguments) {
  	      var probe, rti, t1,
  	        s = $name;
  	      if ($arguments.length > 0)
  	        s += "<" + A._Universe__canonicalRecipeJoin($arguments) + ">";
  	      probe = universe.eC.get(s);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = 8;
  	      rti._primary = $name;
  	      rti._rest = $arguments;
  	      if ($arguments.length > 0)
  	        rti._precomputed1 = $arguments[0];
  	      rti._canonicalRecipe = s;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(s, t1);
  	      return t1;
  	    },
  	    _Universe__lookupBindingRti(universe, base, $arguments) {
  	      var newBase, newArguments, key, probe, rti, t1;
  	      if (base._kind === 9) {
  	        newBase = base._primary;
  	        newArguments = base._rest.concat($arguments);
  	      } else {
  	        newArguments = $arguments;
  	        newBase = base;
  	      }
  	      key = newBase._canonicalRecipe + (";<" + A._Universe__canonicalRecipeJoin(newArguments) + ">");
  	      probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = 9;
  	      rti._primary = newBase;
  	      rti._rest = newArguments;
  	      rti._canonicalRecipe = key;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__lookupRecordRti(universe, partialShapeTag, fields) {
  	      var rti, t1,
  	        key = "+" + (partialShapeTag + "(" + A._Universe__canonicalRecipeJoin(fields) + ")"),
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = 10;
  	      rti._primary = partialShapeTag;
  	      rti._rest = fields;
  	      rti._canonicalRecipe = key;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__lookupFunctionRti(universe, returnType, parameters) {
  	      var sep, key, probe, rti, t1,
  	        s = returnType._canonicalRecipe,
  	        requiredPositional = parameters._requiredPositional,
  	        requiredPositionalLength = requiredPositional.length,
  	        optionalPositional = parameters._optionalPositional,
  	        optionalPositionalLength = optionalPositional.length,
  	        named = parameters._named,
  	        namedLength = named.length,
  	        recipe = "(" + A._Universe__canonicalRecipeJoin(requiredPositional);
  	      if (optionalPositionalLength > 0) {
  	        sep = requiredPositionalLength > 0 ? "," : "";
  	        recipe += sep + "[" + A._Universe__canonicalRecipeJoin(optionalPositional) + "]";
  	      }
  	      if (namedLength > 0) {
  	        sep = requiredPositionalLength > 0 ? "," : "";
  	        recipe += sep + "{" + A._Universe__canonicalRecipeJoinNamed(named) + "}";
  	      }
  	      key = s + (recipe + ")");
  	      probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      rti = new A.Rti(null, null);
  	      rti._kind = 11;
  	      rti._primary = returnType;
  	      rti._rest = parameters;
  	      rti._canonicalRecipe = key;
  	      t1 = A._Universe__installTypeTests(universe, rti);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__lookupGenericFunctionRti(universe, baseFunctionType, bounds, normalize) {
  	      var t1,
  	        key = baseFunctionType._canonicalRecipe + ("<" + A._Universe__canonicalRecipeJoin(bounds) + ">"),
  	        probe = universe.eC.get(key);
  	      if (probe != null)
  	        return probe;
  	      t1 = A._Universe__createGenericFunctionRti(universe, baseFunctionType, bounds, key, normalize);
  	      universe.eC.set(key, t1);
  	      return t1;
  	    },
  	    _Universe__createGenericFunctionRti(universe, baseFunctionType, bounds, key, normalize) {
  	      var $length, typeArguments, count, i, bound, substitutedBase, substitutedBounds, rti;
  	      if (normalize) {
  	        $length = bounds.length;
  	        typeArguments = A._Utils_newArrayOrEmpty($length);
  	        for (count = 0, i = 0; i < $length; ++i) {
  	          bound = bounds[i];
  	          if (bound._kind === 1) {
  	            typeArguments[i] = bound;
  	            ++count;
  	          }
  	        }
  	        if (count > 0) {
  	          substitutedBase = A._substitute(universe, baseFunctionType, typeArguments, 0);
  	          substitutedBounds = A._substituteArray(universe, bounds, typeArguments, 0);
  	          return A._Universe__lookupGenericFunctionRti(universe, substitutedBase, substitutedBounds, bounds !== substitutedBounds);
  	        }
  	      }
  	      rti = new A.Rti(null, null);
  	      rti._kind = 12;
  	      rti._primary = baseFunctionType;
  	      rti._rest = bounds;
  	      rti._canonicalRecipe = key;
  	      return A._Universe__installTypeTests(universe, rti);
  	    },
  	    _Parser_create(universe, environment, recipe, normalize) {
  	      return {u: universe, e: environment, r: recipe, s: [], p: 0, n: normalize};
  	    },
  	    _Parser_parse(parser) {
  	      var t1, i, ch, u, array, end, item,
  	        source = parser.r,
  	        stack = parser.s;
  	      for (t1 = source.length, i = 0; i < t1;) {
  	        ch = source.charCodeAt(i);
  	        if (ch >= 48 && ch <= 57)
  	          i = A._Parser_handleDigit(i + 1, ch, source, stack);
  	        else if ((((ch | 32) >>> 0) - 97 & 65535) < 26 || ch === 95 || ch === 36 || ch === 124)
  	          i = A._Parser_handleIdentifier(parser, i, source, stack, false);
  	        else if (ch === 46)
  	          i = A._Parser_handleIdentifier(parser, i, source, stack, true);
  	        else {
  	          ++i;
  	          switch (ch) {
  	            case 44:
  	              break;
  	            case 58:
  	              stack.push(false);
  	              break;
  	            case 33:
  	              stack.push(true);
  	              break;
  	            case 59:
  	              stack.push(A._Parser_toType(parser.u, parser.e, stack.pop()));
  	              break;
  	            case 94:
  	              stack.push(A._Universe__lookupGenericFunctionParameterRti(parser.u, stack.pop()));
  	              break;
  	            case 35:
  	              stack.push(A._Universe__lookupTerminalRti(parser.u, 5, "#"));
  	              break;
  	            case 64:
  	              stack.push(A._Universe__lookupTerminalRti(parser.u, 2, "@"));
  	              break;
  	            case 126:
  	              stack.push(A._Universe__lookupTerminalRti(parser.u, 3, "~"));
  	              break;
  	            case 60:
  	              stack.push(parser.p);
  	              parser.p = stack.length;
  	              break;
  	            case 62:
  	              A._Parser_handleTypeArguments(parser, stack);
  	              break;
  	            case 38:
  	              A._Parser_handleExtendedOperations(parser, stack);
  	              break;
  	            case 63:
  	              u = parser.u;
  	              stack.push(A._Universe__lookupQuestionRti(u, A._Parser_toType(u, parser.e, stack.pop()), parser.n));
  	              break;
  	            case 47:
  	              u = parser.u;
  	              stack.push(A._Universe__lookupFutureOrRti(u, A._Parser_toType(u, parser.e, stack.pop()), parser.n));
  	              break;
  	            case 40:
  	              stack.push(-3);
  	              stack.push(parser.p);
  	              parser.p = stack.length;
  	              break;
  	            case 41:
  	              A._Parser_handleArguments(parser, stack);
  	              break;
  	            case 91:
  	              stack.push(parser.p);
  	              parser.p = stack.length;
  	              break;
  	            case 93:
  	              array = stack.splice(parser.p);
  	              A._Parser_toTypes(parser.u, parser.e, array);
  	              parser.p = stack.pop();
  	              stack.push(array);
  	              stack.push(-1);
  	              break;
  	            case 123:
  	              stack.push(parser.p);
  	              parser.p = stack.length;
  	              break;
  	            case 125:
  	              array = stack.splice(parser.p);
  	              A._Parser_toTypesNamed(parser.u, parser.e, array);
  	              parser.p = stack.pop();
  	              stack.push(array);
  	              stack.push(-2);
  	              break;
  	            case 43:
  	              end = source.indexOf("(", i);
  	              stack.push(source.substring(i, end));
  	              stack.push(-4);
  	              stack.push(parser.p);
  	              parser.p = stack.length;
  	              i = end + 1;
  	              break;
  	            default:
  	              throw "Bad character " + ch;
  	          }
  	        }
  	      }
  	      item = stack.pop();
  	      return A._Parser_toType(parser.u, parser.e, item);
  	    },
  	    _Parser_handleDigit(i, digit, source, stack) {
  	      var t1, ch,
  	        value = digit - 48;
  	      for (t1 = source.length; i < t1; ++i) {
  	        ch = source.charCodeAt(i);
  	        if (!(ch >= 48 && ch <= 57))
  	          break;
  	        value = value * 10 + (ch - 48);
  	      }
  	      stack.push(value);
  	      return i;
  	    },
  	    _Parser_handleIdentifier(parser, start, source, stack, hasPeriod) {
  	      var t1, ch, t2, string, environment, recipe,
  	        i = start + 1;
  	      for (t1 = source.length; i < t1; ++i) {
  	        ch = source.charCodeAt(i);
  	        if (ch === 46) {
  	          if (hasPeriod)
  	            break;
  	          hasPeriod = true;
  	        } else {
  	          if (!((((ch | 32) >>> 0) - 97 & 65535) < 26 || ch === 95 || ch === 36 || ch === 124))
  	            t2 = ch >= 48 && ch <= 57;
  	          else
  	            t2 = true;
  	          if (!t2)
  	            break;
  	        }
  	      }
  	      string = source.substring(start, i);
  	      if (hasPeriod) {
  	        t1 = parser.u;
  	        environment = parser.e;
  	        if (environment._kind === 9)
  	          environment = environment._primary;
  	        recipe = A._Universe_findRule(t1, environment._primary)[string];
  	        if (recipe == null)
  	          A.throwExpression('No "' + string + '" in "' + A.Rti__getCanonicalRecipe(environment) + '"');
  	        stack.push(A._Universe_evalInEnvironment(t1, environment, recipe));
  	      } else
  	        stack.push(string);
  	      return i;
  	    },
  	    _Parser_handleTypeArguments(parser, stack) {
  	      var base,
  	        universe = parser.u,
  	        $arguments = A._Parser_collectArray(parser, stack),
  	        head = stack.pop();
  	      if (typeof head == "string")
  	        stack.push(A._Universe__lookupInterfaceRti(universe, head, $arguments));
  	      else {
  	        base = A._Parser_toType(universe, parser.e, head);
  	        switch (base._kind) {
  	          case 11:
  	            stack.push(A._Universe__lookupGenericFunctionRti(universe, base, $arguments, parser.n));
  	            break;
  	          default:
  	            stack.push(A._Universe__lookupBindingRti(universe, base, $arguments));
  	            break;
  	        }
  	      }
  	    },
  	    _Parser_handleArguments(parser, stack) {
  	      var requiredPositional, returnType, parameters,
  	        universe = parser.u,
  	        head = stack.pop(),
  	        optionalPositional = null, named = null;
  	      if (typeof head == "number")
  	        switch (head) {
  	          case -1:
  	            optionalPositional = stack.pop();
  	            break;
  	          case -2:
  	            named = stack.pop();
  	            break;
  	          default:
  	            stack.push(head);
  	            break;
  	        }
  	      else
  	        stack.push(head);
  	      requiredPositional = A._Parser_collectArray(parser, stack);
  	      head = stack.pop();
  	      switch (head) {
  	        case -3:
  	          head = stack.pop();
  	          if (optionalPositional == null)
  	            optionalPositional = universe.sEA;
  	          if (named == null)
  	            named = universe.sEA;
  	          returnType = A._Parser_toType(universe, parser.e, head);
  	          parameters = new A._FunctionParameters();
  	          parameters._requiredPositional = requiredPositional;
  	          parameters._optionalPositional = optionalPositional;
  	          parameters._named = named;
  	          stack.push(A._Universe__lookupFunctionRti(universe, returnType, parameters));
  	          return;
  	        case -4:
  	          stack.push(A._Universe__lookupRecordRti(universe, stack.pop(), requiredPositional));
  	          return;
  	        default:
  	          throw A.wrapException(A.AssertionError$("Unexpected state under `()`: " + A.S(head)));
  	      }
  	    },
  	    _Parser_handleExtendedOperations(parser, stack) {
  	      var $top = stack.pop();
  	      if (0 === $top) {
  	        stack.push(A._Universe__lookupTerminalRti(parser.u, 1, "0&"));
  	        return;
  	      }
  	      if (1 === $top) {
  	        stack.push(A._Universe__lookupTerminalRti(parser.u, 4, "1&"));
  	        return;
  	      }
  	      throw A.wrapException(A.AssertionError$("Unexpected extended operation " + A.S($top)));
  	    },
  	    _Parser_collectArray(parser, stack) {
  	      var array = stack.splice(parser.p);
  	      A._Parser_toTypes(parser.u, parser.e, array);
  	      parser.p = stack.pop();
  	      return array;
  	    },
  	    _Parser_toType(universe, environment, item) {
  	      if (typeof item == "string")
  	        return A._Universe__lookupInterfaceRti(universe, item, universe.sEA);
  	      else if (typeof item == "number") {
  	        environment.toString;
  	        return A._Parser_indexToType(universe, environment, item);
  	      } else
  	        return item;
  	    },
  	    _Parser_toTypes(universe, environment, items) {
  	      var i,
  	        $length = items.length;
  	      for (i = 0; i < $length; ++i)
  	        items[i] = A._Parser_toType(universe, environment, items[i]);
  	    },
  	    _Parser_toTypesNamed(universe, environment, items) {
  	      var i,
  	        $length = items.length;
  	      for (i = 2; i < $length; i += 3)
  	        items[i] = A._Parser_toType(universe, environment, items[i]);
  	    },
  	    _Parser_indexToType(universe, environment, index) {
  	      var typeArguments, len,
  	        kind = environment._kind;
  	      if (kind === 9) {
  	        if (index === 0)
  	          return environment._primary;
  	        typeArguments = environment._rest;
  	        len = typeArguments.length;
  	        if (index <= len)
  	          return typeArguments[index - 1];
  	        index -= len;
  	        environment = environment._primary;
  	        kind = environment._kind;
  	      } else if (index === 0)
  	        return environment;
  	      if (kind !== 8)
  	        throw A.wrapException(A.AssertionError$("Indexed base must be an interface type"));
  	      typeArguments = environment._rest;
  	      if (index <= typeArguments.length)
  	        return typeArguments[index - 1];
  	      throw A.wrapException(A.AssertionError$("Bad index " + index + " for " + environment.toString$0(0)));
  	    },
  	    isSubtype(universe, s, t) {
  	      var result,
  	        sCache = s._isSubtypeCache;
  	      if (sCache == null)
  	        sCache = s._isSubtypeCache = new Map();
  	      result = sCache.get(t);
  	      if (result == null) {
  	        result = A._isSubtype(universe, s, null, t, null);
  	        sCache.set(t, result);
  	      }
  	      return result;
  	    },
  	    _isSubtype(universe, s, sEnv, t, tEnv) {
  	      var sKind, leftTypeVariable, tKind, t1, t2, sBounds, tBounds, sLength, i, sBound, tBound;
  	      if (s === t)
  	        return true;
  	      if (A.isTopType(t))
  	        return true;
  	      sKind = s._kind;
  	      if (sKind === 4)
  	        return true;
  	      if (A.isTopType(s))
  	        return false;
  	      if (s._kind === 1)
  	        return true;
  	      leftTypeVariable = sKind === 13;
  	      if (leftTypeVariable)
  	        if (A._isSubtype(universe, sEnv[s._primary], sEnv, t, tEnv))
  	          return true;
  	      tKind = t._kind;
  	      t1 = type$.Null;
  	      if (s === t1 || s === type$.JSNull) {
  	        if (tKind === 7)
  	          return A._isSubtype(universe, s, sEnv, t._primary, tEnv);
  	        return t === t1 || t === type$.JSNull || tKind === 6;
  	      }
  	      if (t === type$.Object) {
  	        if (sKind === 7)
  	          return A._isSubtype(universe, s._primary, sEnv, t, tEnv);
  	        return sKind !== 6;
  	      }
  	      if (sKind === 7) {
  	        if (!A._isSubtype(universe, s._primary, sEnv, t, tEnv))
  	          return false;
  	        return A._isSubtype(universe, A.Rti__getFutureFromFutureOr(universe, s), sEnv, t, tEnv);
  	      }
  	      if (sKind === 6)
  	        return A._isSubtype(universe, t1, sEnv, t, tEnv) && A._isSubtype(universe, s._primary, sEnv, t, tEnv);
  	      if (tKind === 7) {
  	        if (A._isSubtype(universe, s, sEnv, t._primary, tEnv))
  	          return true;
  	        return A._isSubtype(universe, s, sEnv, A.Rti__getFutureFromFutureOr(universe, t), tEnv);
  	      }
  	      if (tKind === 6)
  	        return A._isSubtype(universe, s, sEnv, t1, tEnv) || A._isSubtype(universe, s, sEnv, t._primary, tEnv);
  	      if (leftTypeVariable)
  	        return false;
  	      t1 = sKind !== 11;
  	      if ((!t1 || sKind === 12) && t === type$.Function)
  	        return true;
  	      t2 = sKind === 10;
  	      if (t2 && t === type$.Record)
  	        return true;
  	      if (tKind === 12) {
  	        if (s === type$.JavaScriptFunction)
  	          return true;
  	        if (sKind !== 12)
  	          return false;
  	        sBounds = s._rest;
  	        tBounds = t._rest;
  	        sLength = sBounds.length;
  	        if (sLength !== tBounds.length)
  	          return false;
  	        sEnv = sEnv == null ? sBounds : sBounds.concat(sEnv);
  	        tEnv = tEnv == null ? tBounds : tBounds.concat(tEnv);
  	        for (i = 0; i < sLength; ++i) {
  	          sBound = sBounds[i];
  	          tBound = tBounds[i];
  	          if (!A._isSubtype(universe, sBound, sEnv, tBound, tEnv) || !A._isSubtype(universe, tBound, tEnv, sBound, sEnv))
  	            return false;
  	        }
  	        return A._isFunctionSubtype(universe, s._primary, sEnv, t._primary, tEnv);
  	      }
  	      if (tKind === 11) {
  	        if (s === type$.JavaScriptFunction)
  	          return true;
  	        if (t1)
  	          return false;
  	        return A._isFunctionSubtype(universe, s, sEnv, t, tEnv);
  	      }
  	      if (sKind === 8) {
  	        if (tKind !== 8)
  	          return false;
  	        return A._isInterfaceSubtype(universe, s, sEnv, t, tEnv);
  	      }
  	      if (t2 && tKind === 10)
  	        return A._isRecordSubtype(universe, s, sEnv, t, tEnv);
  	      return false;
  	    },
  	    _isFunctionSubtype(universe, s, sEnv, t, tEnv) {
  	      var sParameters, tParameters, sRequiredPositional, tRequiredPositional, sRequiredPositionalLength, tRequiredPositionalLength, requiredPositionalDelta, sOptionalPositional, tOptionalPositional, sOptionalPositionalLength, tOptionalPositionalLength, i, t1, sNamed, tNamed, sNamedLength, tNamedLength, sIndex, tIndex, tName, sName, sIsRequired;
  	      if (!A._isSubtype(universe, s._primary, sEnv, t._primary, tEnv))
  	        return false;
  	      sParameters = s._rest;
  	      tParameters = t._rest;
  	      sRequiredPositional = sParameters._requiredPositional;
  	      tRequiredPositional = tParameters._requiredPositional;
  	      sRequiredPositionalLength = sRequiredPositional.length;
  	      tRequiredPositionalLength = tRequiredPositional.length;
  	      if (sRequiredPositionalLength > tRequiredPositionalLength)
  	        return false;
  	      requiredPositionalDelta = tRequiredPositionalLength - sRequiredPositionalLength;
  	      sOptionalPositional = sParameters._optionalPositional;
  	      tOptionalPositional = tParameters._optionalPositional;
  	      sOptionalPositionalLength = sOptionalPositional.length;
  	      tOptionalPositionalLength = tOptionalPositional.length;
  	      if (sRequiredPositionalLength + sOptionalPositionalLength < tRequiredPositionalLength + tOptionalPositionalLength)
  	        return false;
  	      for (i = 0; i < sRequiredPositionalLength; ++i) {
  	        t1 = sRequiredPositional[i];
  	        if (!A._isSubtype(universe, tRequiredPositional[i], tEnv, t1, sEnv))
  	          return false;
  	      }
  	      for (i = 0; i < requiredPositionalDelta; ++i) {
  	        t1 = sOptionalPositional[i];
  	        if (!A._isSubtype(universe, tRequiredPositional[sRequiredPositionalLength + i], tEnv, t1, sEnv))
  	          return false;
  	      }
  	      for (i = 0; i < tOptionalPositionalLength; ++i) {
  	        t1 = sOptionalPositional[requiredPositionalDelta + i];
  	        if (!A._isSubtype(universe, tOptionalPositional[i], tEnv, t1, sEnv))
  	          return false;
  	      }
  	      sNamed = sParameters._named;
  	      tNamed = tParameters._named;
  	      sNamedLength = sNamed.length;
  	      tNamedLength = tNamed.length;
  	      for (sIndex = 0, tIndex = 0; tIndex < tNamedLength; tIndex += 3) {
  	        tName = tNamed[tIndex];
  	        for (;;) {
  	          if (sIndex >= sNamedLength)
  	            return false;
  	          sName = sNamed[sIndex];
  	          sIndex += 3;
  	          if (tName < sName)
  	            return false;
  	          sIsRequired = sNamed[sIndex - 2];
  	          if (sName < tName) {
  	            if (sIsRequired)
  	              return false;
  	            continue;
  	          }
  	          t1 = tNamed[tIndex + 1];
  	          if (sIsRequired && !t1)
  	            return false;
  	          t1 = sNamed[sIndex - 1];
  	          if (!A._isSubtype(universe, tNamed[tIndex + 2], tEnv, t1, sEnv))
  	            return false;
  	          break;
  	        }
  	      }
  	      while (sIndex < sNamedLength) {
  	        if (sNamed[sIndex + 1])
  	          return false;
  	        sIndex += 3;
  	      }
  	      return true;
  	    },
  	    _isInterfaceSubtype(universe, s, sEnv, t, tEnv) {
  	      var rule, recipes, $length, supertypeArgs, i,
  	        sName = s._primary,
  	        tName = t._primary;
  	      while (sName !== tName) {
  	        rule = universe.tR[sName];
  	        if (rule == null)
  	          return false;
  	        if (typeof rule == "string") {
  	          sName = rule;
  	          continue;
  	        }
  	        recipes = rule[tName];
  	        if (recipes == null)
  	          return false;
  	        $length = recipes.length;
  	        supertypeArgs = $length > 0 ? new Array($length) : init.typeUniverse.sEA;
  	        for (i = 0; i < $length; ++i)
  	          supertypeArgs[i] = A._Universe_evalInEnvironment(universe, s, recipes[i]);
  	        return A._areArgumentsSubtypes(universe, supertypeArgs, null, sEnv, t._rest, tEnv);
  	      }
  	      return A._areArgumentsSubtypes(universe, s._rest, null, sEnv, t._rest, tEnv);
  	    },
  	    _areArgumentsSubtypes(universe, sArgs, sVariances, sEnv, tArgs, tEnv) {
  	      var i,
  	        $length = sArgs.length;
  	      for (i = 0; i < $length; ++i)
  	        if (!A._isSubtype(universe, sArgs[i], sEnv, tArgs[i], tEnv))
  	          return false;
  	      return true;
  	    },
  	    _isRecordSubtype(universe, s, sEnv, t, tEnv) {
  	      var i,
  	        sFields = s._rest,
  	        tFields = t._rest,
  	        sCount = sFields.length;
  	      if (sCount !== tFields.length)
  	        return false;
  	      if (s._primary !== t._primary)
  	        return false;
  	      for (i = 0; i < sCount; ++i)
  	        if (!A._isSubtype(universe, sFields[i], sEnv, tFields[i], tEnv))
  	          return false;
  	      return true;
  	    },
  	    isNullable(t) {
  	      var kind = t._kind,
  	        t1 = true;
  	      if (!(t === type$.Null || t === type$.JSNull))
  	        if (!A.isTopType(t))
  	          if (kind !== 6)
  	            t1 = kind === 7 && A.isNullable(t._primary);
  	      return t1;
  	    },
  	    isTopType(t) {
  	      var kind = t._kind;
  	      return kind === 2 || kind === 3 || kind === 4 || kind === 5 || t === type$.nullable_Object;
  	    },
  	    _Utils_objectAssign(o, other) {
  	      var i, key,
  	        keys = Object.keys(other),
  	        $length = keys.length;
  	      for (i = 0; i < $length; ++i) {
  	        key = keys[i];
  	        o[key] = other[key];
  	      }
  	    },
  	    _Utils_newArrayOrEmpty($length) {
  	      return $length > 0 ? new Array($length) : init.typeUniverse.sEA;
  	    },
  	    Rti: function Rti(t0, t1) {
  	      var _ = this;
  	      _._as = t0;
  	      _._is = t1;
  	      _._cachedRuntimeType = _._specializedTestResource = _._isSubtypeCache = _._precomputed1 = null;
  	      _._kind = 0;
  	      _._canonicalRecipe = _._bindCache = _._evalCache = _._rest = _._primary = null;
  	    },
  	    _FunctionParameters: function _FunctionParameters() {
  	      this._named = this._optionalPositional = this._requiredPositional = null;
  	    },
  	    _Type: function _Type(t0) {
  	      this._rti = t0;
  	    },
  	    _Error: function _Error() {
  	    },
  	    _TypeError: function _TypeError(t0) {
  	      this.__rti$_message = t0;
  	    },
  	    _AsyncRun__initializeScheduleImmediate() {
  	      var t1, div, span;
  	      if (self.scheduleImmediate != null)
  	        return A.async__AsyncRun__scheduleImmediateJsOverride$closure();
  	      if (self.MutationObserver != null && self.document != null) {
  	        t1 = {};
  	        div = self.document.createElement("div");
  	        span = self.document.createElement("span");
  	        t1.storedCallback = null;
  	        new self.MutationObserver(A.convertDartClosureToJS(new A._AsyncRun__initializeScheduleImmediate_internalCallback(t1), 1)).observe(div, {childList: true});
  	        return new A._AsyncRun__initializeScheduleImmediate_closure(t1, div, span);
  	      } else if (self.setImmediate != null)
  	        return A.async__AsyncRun__scheduleImmediateWithSetImmediate$closure();
  	      return A.async__AsyncRun__scheduleImmediateWithTimer$closure();
  	    },
  	    _AsyncRun__scheduleImmediateJsOverride(callback) {
  	      self.scheduleImmediate(A.convertDartClosureToJS(new A._AsyncRun__scheduleImmediateJsOverride_internalCallback(callback), 0));
  	    },
  	    _AsyncRun__scheduleImmediateWithSetImmediate(callback) {
  	      self.setImmediate(A.convertDartClosureToJS(new A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback(callback), 0));
  	    },
  	    _AsyncRun__scheduleImmediateWithTimer(callback) {
  	      A.Timer__createTimer(B.Duration_0, callback);
  	    },
  	    Timer__createTimer(duration, callback) {
  	      var milliseconds = B.JSInt_methods._tdivFast$1(duration._duration, 1000);
  	      return A._TimerImpl$(milliseconds < 0 ? 0 : milliseconds, callback);
  	    },
  	    _TimerImpl$(milliseconds, callback) {
  	      var t1 = new A._TimerImpl(true);
  	      t1._TimerImpl$2(milliseconds, callback);
  	      return t1;
  	    },
  	    _TimerImpl$periodic(milliseconds, callback) {
  	      var t1 = new A._TimerImpl(false);
  	      t1._TimerImpl$periodic$2(milliseconds, callback);
  	      return t1;
  	    },
  	    _makeAsyncAwaitCompleter($T) {
  	      return new A._AsyncAwaitCompleter(new A._Future($.Zone__current, $T._eval$1("_Future<0>")), $T._eval$1("_AsyncAwaitCompleter<0>"));
  	    },
  	    _asyncStartSync(bodyFunction, completer) {
  	      bodyFunction.call$2(0, null);
  	      completer.isSync = true;
  	      return completer._future;
  	    },
  	    _asyncAwait(object, bodyFunction) {
  	      A._awaitOnObject(object, bodyFunction);
  	    },
  	    _asyncReturn(object, completer) {
  	      completer.complete$1(object);
  	    },
  	    _asyncRethrow(object, completer) {
  	      completer.completeError$2(A.unwrapException(object), A.getTraceFromException(object));
  	    },
  	    _awaitOnObject(object, bodyFunction) {
  	      var t1, future,
  	        thenCallback = new A._awaitOnObject_closure(bodyFunction),
  	        errorCallback = new A._awaitOnObject_closure0(bodyFunction);
  	      if (object instanceof A._Future)
  	        object._thenAwait$1$2(thenCallback, errorCallback, type$.dynamic);
  	      else {
  	        t1 = type$.dynamic;
  	        if (object instanceof A._Future)
  	          object.then$1$2$onError(0, thenCallback, errorCallback, t1);
  	        else {
  	          future = new A._Future($.Zone__current, type$._Future_dynamic);
  	          future._state = 8;
  	          future._resultOrListeners = object;
  	          future._thenAwait$1$2(thenCallback, errorCallback, t1);
  	        }
  	      }
  	    },
  	    _wrapJsFunctionForAsync($function) {
  	      var $protected = function(fn, ERROR) {
  	        return function(errorCode, result) {
  	          while (true) {
  	            try {
  	              fn(errorCode, result);
  	              break;
  	            } catch (error) {
  	              result = error;
  	              errorCode = ERROR;
  	            }
  	          }
  	        };
  	      }($function, 1);
  	      return $.Zone__current.registerBinaryCallback$3$1(new A._wrapJsFunctionForAsync_closure($protected), type$.void, type$.int, type$.dynamic);
  	    },
  	    _SyncStarIterator__terminatedBody(_1, _2, _3) {
  	      return 0;
  	    },
  	    AsyncError_defaultStackTrace(error) {
  	      var stackTrace;
  	      if (type$.Error._is(error)) {
  	        stackTrace = error.get$stackTrace();
  	        if (stackTrace != null)
  	          return stackTrace;
  	      }
  	      return B._StringStackTrace_OdL;
  	    },
  	    Future_Future$value(value, $T) {
  	      var t1;
  	      $T._as(value);
  	      t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>"));
  	      t1._asyncComplete$1(value);
  	      return t1;
  	    },
  	    Future_wait(futures, eagerError, $T) {
  	      var handleError, future, pos, e, s, t1, t2, t3, t4, _box_0 = {}, cleanUp = null,
  	        _future = new A._Future($.Zone__current, $T._eval$1("_Future<List<0>>"));
  	      _box_0.values = null;
  	      _box_0.remaining = 0;
  	      _box_0.stackTrace = _box_0.error = null;
  	      handleError = new A.Future_wait_handleError(_box_0, cleanUp, eagerError, _future);
  	      try {
  	        for (t1 = J.get$iterator$ax(futures), t2 = type$.Null; t1.moveNext$0();) {
  	          future = t1.get$current(t1);
  	          pos = _box_0.remaining;
  	          J.then$1$2$onError$x(future, new A.Future_wait_closure(_box_0, pos, _future, $T, cleanUp, eagerError), handleError, t2);
  	          ++_box_0.remaining;
  	        }
  	        t1 = _box_0.remaining;
  	        if (t1 === 0) {
  	          t1 = _future;
  	          t1._completeWithValue$1(A._setArrayType([], $T._eval$1("JSArray<0>")));
  	          return t1;
  	        }
  	        _box_0.values = A.List_List$filled(t1, null, false, $T._eval$1("0?"));
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        if (_box_0.remaining === 0 || eagerError) {
  	          t1 = _future;
  	          t2 = e;
  	          t3 = s;
  	          t4 = A._interceptError(t2, t3);
  	          if (t4 == null)
  	            t2 = new A.AsyncError(t2, t3 == null ? A.AsyncError_defaultStackTrace(t2) : t3);
  	          else
  	            t2 = t4;
  	          t1._asyncCompleteErrorObject$1(t2);
  	          return t1;
  	        } else {
  	          _box_0.error = e;
  	          _box_0.stackTrace = s;
  	        }
  	      }
  	      return _future;
  	    },
  	    _interceptError(error, stackTrace) {
  	      var replacement, t1, t2,
  	        zone = $.Zone__current;
  	      if (zone === B.C__RootZone)
  	        return null;
  	      replacement = zone.errorCallback$2(error, stackTrace);
  	      if (replacement == null)
  	        return null;
  	      t1 = replacement.error;
  	      t2 = replacement.stackTrace;
  	      if (type$.Error._is(t1))
  	        A.Primitives_trySetStackTrace(t1, t2);
  	      return replacement;
  	    },
  	    _interceptUserError(error, stackTrace) {
  	      var replacement;
  	      if ($.Zone__current !== B.C__RootZone) {
  	        replacement = A._interceptError(error, stackTrace);
  	        if (replacement != null)
  	          return replacement;
  	      }
  	      if (stackTrace == null)
  	        if (type$.Error._is(error)) {
  	          stackTrace = error.get$stackTrace();
  	          if (stackTrace == null) {
  	            A.Primitives_trySetStackTrace(error, B._StringStackTrace_OdL);
  	            stackTrace = B._StringStackTrace_OdL;
  	          }
  	        } else
  	          stackTrace = B._StringStackTrace_OdL;
  	      else if (type$.Error._is(error))
  	        A.Primitives_trySetStackTrace(error, stackTrace);
  	      return new A.AsyncError(error, stackTrace);
  	    },
  	    _Future$zoneValue(value, _zone, $T) {
  	      var t1 = new A._Future(_zone, $T._eval$1("_Future<0>"));
  	      t1._state = 8;
  	      t1._resultOrListeners = value;
  	      return t1;
  	    },
  	    _Future$value(value, $T) {
  	      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>"));
  	      t1._state = 8;
  	      t1._resultOrListeners = value;
  	      return t1;
  	    },
  	    _Future__chainCoreFuture(source, target, sync) {
  	      var t2, ignoreError, listeners, _box_0 = {},
  	        t1 = _box_0.source = source;
  	      while (t2 = t1._state, (t2 & 4) !== 0) {
  	        t1 = t1._resultOrListeners;
  	        _box_0.source = t1;
  	      }
  	      if (t1 === target) {
  	        t2 = A.StackTrace_current();
  	        target._asyncCompleteErrorObject$1(new A.AsyncError(new A.ArgumentError(true, t1, null, "Cannot complete a future with itself"), t2));
  	        return;
  	      }
  	      ignoreError = target._state & 1;
  	      t2 = t1._state = t2 | ignoreError;
  	      if ((t2 & 24) === 0) {
  	        listeners = target._resultOrListeners;
  	        target._state = target._state & 1 | 4;
  	        target._resultOrListeners = t1;
  	        t1._prependListeners$1(listeners);
  	        return;
  	      }
  	      if (!sync)
  	        if (target._resultOrListeners == null)
  	          t1 = (t2 & 16) === 0 || ignoreError !== 0;
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      if (t1) {
  	        listeners = target._removeListeners$0();
  	        target._cloneResult$1(_box_0.source);
  	        A._Future__propagateToListeners(target, listeners);
  	        return;
  	      }
  	      target._state ^= 2;
  	      target._zone.scheduleMicrotask$1(new A._Future__chainCoreFuture_closure(_box_0, target));
  	    },
  	    _Future__propagateToListeners(source, listeners) {
  	      var _box_0, t2, t3, hasError, nextListener, nextListener0, sourceResult, t4, zone, oldZone, result, current, _box_1 = {},
  	        t1 = _box_1.source = source;
  	      for (;;) {
  	        _box_0 = {};
  	        t2 = t1._state;
  	        t3 = (t2 & 16) === 0;
  	        hasError = !t3;
  	        if (listeners == null) {
  	          if (hasError && (t2 & 1) === 0) {
  	            t2 = t1._resultOrListeners;
  	            t1._zone.handleUncaughtError$2(t2.error, t2.stackTrace);
  	          }
  	          return;
  	        }
  	        _box_0.listener = listeners;
  	        nextListener = listeners._nextListener;
  	        for (t1 = listeners; nextListener != null; t1 = nextListener, nextListener = nextListener0) {
  	          t1._nextListener = null;
  	          A._Future__propagateToListeners(_box_1.source, t1);
  	          _box_0.listener = nextListener;
  	          nextListener0 = nextListener._nextListener;
  	        }
  	        t2 = _box_1.source;
  	        sourceResult = t2._resultOrListeners;
  	        _box_0.listenerHasError = hasError;
  	        _box_0.listenerValueOrError = sourceResult;
  	        if (t3) {
  	          t4 = t1.state;
  	          t4 = (t4 & 1) !== 0 || (t4 & 15) === 8;
  	        } else
  	          t4 = true;
  	        if (t4) {
  	          zone = t1.result._zone;
  	          if (hasError) {
  	            t1 = t2._zone;
  	            t1 = !(t1 === zone || t1.get$errorZone() === zone.get$errorZone());
  	          } else
  	            t1 = false;
  	          if (t1) {
  	            t1 = _box_1.source;
  	            t2 = t1._resultOrListeners;
  	            t1._zone.handleUncaughtError$2(t2.error, t2.stackTrace);
  	            return;
  	          }
  	          oldZone = $.Zone__current;
  	          if (oldZone !== zone)
  	            $.Zone__current = zone;
  	          else
  	            oldZone = null;
  	          t1 = _box_0.listener.state;
  	          if ((t1 & 15) === 8)
  	            new A._Future__propagateToListeners_handleWhenCompleteCallback(_box_0, _box_1, hasError).call$0();
  	          else if (t3) {
  	            if ((t1 & 1) !== 0)
  	              new A._Future__propagateToListeners_handleValueCallback(_box_0, sourceResult).call$0();
  	          } else if ((t1 & 2) !== 0)
  	            new A._Future__propagateToListeners_handleError(_box_1, _box_0).call$0();
  	          if (oldZone != null)
  	            $.Zone__current = oldZone;
  	          t1 = _box_0.listenerValueOrError;
  	          if (t1 instanceof A._Future) {
  	            t2 = _box_0.listener.$ti;
  	            t2 = t2._eval$1("Future<2>")._is(t1) || !t2._rest[1]._is(t1);
  	          } else
  	            t2 = false;
  	          if (t2) {
  	            result = _box_0.listener.result;
  	            if ((t1._state & 24) !== 0) {
  	              current = result._resultOrListeners;
  	              result._resultOrListeners = null;
  	              listeners = result._reverseListeners$1(current);
  	              result._state = t1._state & 30 | result._state & 1;
  	              result._resultOrListeners = t1._resultOrListeners;
  	              _box_1.source = t1;
  	              continue;
  	            } else
  	              A._Future__chainCoreFuture(t1, result, true);
  	            return;
  	          }
  	        }
  	        result = _box_0.listener.result;
  	        current = result._resultOrListeners;
  	        result._resultOrListeners = null;
  	        listeners = result._reverseListeners$1(current);
  	        t1 = _box_0.listenerHasError;
  	        t2 = _box_0.listenerValueOrError;
  	        if (!t1) {
  	          result._state = 8;
  	          result._resultOrListeners = t2;
  	        } else {
  	          result._state = result._state & 1 | 16;
  	          result._resultOrListeners = t2;
  	        }
  	        _box_1.source = result;
  	        t1 = result;
  	      }
  	    },
  	    _registerErrorHandler(errorHandler, zone) {
  	      if (type$.dynamic_Function_Object_StackTrace._is(errorHandler))
  	        return zone.registerBinaryCallback$3$1(errorHandler, type$.dynamic, type$.Object, type$.StackTrace);
  	      if (type$.dynamic_Function_Object._is(errorHandler))
  	        return zone.registerUnaryCallback$2$1(errorHandler, type$.dynamic, type$.Object);
  	      throw A.wrapException(A.ArgumentError$value(errorHandler, "onError", string$.Error_));
  	    },
  	    _microtaskLoop() {
  	      var entry, next;
  	      for (entry = $._nextCallback; entry != null; entry = $._nextCallback) {
  	        $._lastPriorityCallback = null;
  	        next = entry.next;
  	        $._nextCallback = next;
  	        if (next == null)
  	          $._lastCallback = null;
  	        entry.callback.call$0();
  	      }
  	    },
  	    _startMicrotaskLoop() {
  	      $._isInCallbackLoop = true;
  	      try {
  	        A._microtaskLoop();
  	      } finally {
  	        $._lastPriorityCallback = null;
  	        $._isInCallbackLoop = false;
  	        if ($._nextCallback != null)
  	          $.$get$_AsyncRun__scheduleImmediateClosure().call$1(A.async___startMicrotaskLoop$closure());
  	      }
  	    },
  	    _scheduleAsyncCallback(callback) {
  	      var newEntry = new A._AsyncCallbackEntry(callback),
  	        lastCallback = $._lastCallback;
  	      if (lastCallback == null) {
  	        $._nextCallback = $._lastCallback = newEntry;
  	        if (!$._isInCallbackLoop)
  	          $.$get$_AsyncRun__scheduleImmediateClosure().call$1(A.async___startMicrotaskLoop$closure());
  	      } else
  	        $._lastCallback = lastCallback.next = newEntry;
  	    },
  	    _schedulePriorityAsyncCallback(callback) {
  	      var entry, lastPriorityCallback, next,
  	        t1 = $._nextCallback;
  	      if (t1 == null) {
  	        A._scheduleAsyncCallback(callback);
  	        $._lastPriorityCallback = $._lastCallback;
  	        return;
  	      }
  	      entry = new A._AsyncCallbackEntry(callback);
  	      lastPriorityCallback = $._lastPriorityCallback;
  	      if (lastPriorityCallback == null) {
  	        entry.next = t1;
  	        $._nextCallback = $._lastPriorityCallback = entry;
  	      } else {
  	        next = lastPriorityCallback.next;
  	        entry.next = next;
  	        $._lastPriorityCallback = lastPriorityCallback.next = entry;
  	        if (next == null)
  	          $._lastCallback = entry;
  	      }
  	    },
  	    scheduleMicrotask(callback) {
  	      var t1, _null = null,
  	        currentZone = $.Zone__current;
  	      if (B.C__RootZone === currentZone) {
  	        A._rootScheduleMicrotask(_null, _null, B.C__RootZone, callback);
  	        return;
  	      }
  	      if (B.C__RootZone === currentZone.get$_scheduleMicrotask().zone)
  	        t1 = B.C__RootZone.get$errorZone() === currentZone.get$errorZone();
  	      else
  	        t1 = false;
  	      if (t1) {
  	        A._rootScheduleMicrotask(_null, _null, currentZone, currentZone.registerCallback$1$1(callback, type$.void));
  	        return;
  	      }
  	      t1 = $.Zone__current;
  	      t1.scheduleMicrotask$1(t1.bindCallbackGuarded$1(callback));
  	    },
  	    Stream_Stream$fromFuture(future, $T) {
  	      var _null = null,
  	        t1 = $T._eval$1("_SyncStreamController<0>"),
  	        controller = new A._SyncStreamController(_null, _null, _null, _null, t1);
  	      future.then$1$2$onError(0, new A.Stream_Stream$fromFuture_closure(controller, $T), new A.Stream_Stream$fromFuture_closure0(controller), type$.Null);
  	      return new A._ControllerStream(controller, t1._eval$1("_ControllerStream<1>"));
  	    },
  	    StreamIterator_StreamIterator(stream) {
  	      return new A._StreamIterator(A.checkNotNullable(stream, "stream", type$.Object));
  	    },
  	    StreamController_StreamController(onCancel, onListen, onPause, onResume, sync, $T) {
  	      return sync ? new A._SyncStreamController(onListen, onPause, onResume, onCancel, $T._eval$1("_SyncStreamController<0>")) : new A._AsyncStreamController(onListen, onPause, onResume, onCancel, $T._eval$1("_AsyncStreamController<0>"));
  	    },
  	    _runGuarded(notificationHandler) {
  	      var e, s;
  	      if (notificationHandler == null)
  	        return;
  	      try {
  	        notificationHandler.call$0();
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        $.Zone__current.handleUncaughtError$2(e, s);
  	      }
  	    },
  	    _ControllerSubscription$(_controller, onData, onError, onDone, cancelOnError, $T) {
  	      var t1 = $.Zone__current,
  	        t2 = cancelOnError ? 1 : 0,
  	        t3 = onError != null ? 32 : 0,
  	        t4 = A._BufferingStreamSubscription__registerDataHandler(t1, onData, $T),
  	        t5 = A._BufferingStreamSubscription__registerErrorHandler(t1, onError),
  	        t6 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
  	      return new A._ControllerSubscription(_controller, t4, t5, t1.registerCallback$1$1(t6, type$.void), t1, t2 | t3, $T._eval$1("_ControllerSubscription<0>"));
  	    },
  	    _AddStreamState_makeErrorHandler(controller) {
  	      return new A._AddStreamState_makeErrorHandler_closure(controller);
  	    },
  	    _BufferingStreamSubscription__registerDataHandler(zone, handleData, $T) {
  	      var t1 = handleData == null ? A.async___nullDataHandler$closure() : handleData;
  	      return zone.registerUnaryCallback$2$1(t1, type$.void, $T);
  	    },
  	    _BufferingStreamSubscription__registerErrorHandler(zone, handleError) {
  	      if (handleError == null)
  	        handleError = A.async___nullErrorHandler$closure();
  	      if (type$.void_Function_Object_StackTrace._is(handleError))
  	        return zone.registerBinaryCallback$3$1(handleError, type$.dynamic, type$.Object, type$.StackTrace);
  	      if (type$.void_Function_Object._is(handleError))
  	        return zone.registerUnaryCallback$2$1(handleError, type$.dynamic, type$.Object);
  	      throw A.wrapException(A.ArgumentError$("handleError callback must take either an Object (the error), or both an Object (the error) and a StackTrace.", null));
  	    },
  	    _nullDataHandler(value) {
  	    },
  	    _nullErrorHandler(error, stackTrace) {
  	      $.Zone__current.handleUncaughtError$2(error, stackTrace);
  	    },
  	    _nullDoneHandler() {
  	    },
  	    Timer_Timer(duration, callback) {
  	      var t1 = $.Zone__current;
  	      if (t1 === B.C__RootZone)
  	        return t1.createTimer$2(duration, callback);
  	      return t1.createTimer$2(duration, t1.bindCallbackGuarded$1(callback));
  	    },
  	    runZoned(body, zoneValues, $R) {
  	      return A._runZoned(body, zoneValues, null, $R);
  	    },
  	    _runZoned(body, zoneValues, specification, $R) {
  	      return $.Zone__current.fork$2$specification$zoneValues(specification, zoneValues).run$1$1(0, body, $R);
  	    },
  	    _rootHandleUncaughtError($self, $parent, zone, error, stackTrace) {
  	      A._rootHandleError(error, stackTrace);
  	    },
  	    _rootHandleError(error, stackTrace) {
  	      A._schedulePriorityAsyncCallback(new A._rootHandleError_closure(error, stackTrace));
  	    },
  	    _rootRun($self, $parent, zone, f) {
  	      var old,
  	        t1 = $.Zone__current;
  	      if (t1 === zone)
  	        return f.call$0();
  	      $.Zone__current = zone;
  	      old = t1;
  	      try {
  	        t1 = f.call$0();
  	        return t1;
  	      } finally {
  	        $.Zone__current = old;
  	      }
  	    },
  	    _rootRunUnary($self, $parent, zone, f, arg) {
  	      var old,
  	        t1 = $.Zone__current;
  	      if (t1 === zone)
  	        return f.call$1(arg);
  	      $.Zone__current = zone;
  	      old = t1;
  	      try {
  	        t1 = f.call$1(arg);
  	        return t1;
  	      } finally {
  	        $.Zone__current = old;
  	      }
  	    },
  	    _rootRunBinary($self, $parent, zone, f, arg1, arg2) {
  	      var old,
  	        t1 = $.Zone__current;
  	      if (t1 === zone)
  	        return f.call$2(arg1, arg2);
  	      $.Zone__current = zone;
  	      old = t1;
  	      try {
  	        t1 = f.call$2(arg1, arg2);
  	        return t1;
  	      } finally {
  	        $.Zone__current = old;
  	      }
  	    },
  	    _rootRegisterCallback($self, $parent, zone, f) {
  	      return f;
  	    },
  	    _rootRegisterUnaryCallback($self, $parent, zone, f) {
  	      return f;
  	    },
  	    _rootRegisterBinaryCallback($self, $parent, zone, f) {
  	      return f;
  	    },
  	    _rootErrorCallback($self, $parent, zone, error, stackTrace) {
  	      return null;
  	    },
  	    _rootScheduleMicrotask($self, $parent, zone, f) {
  	      var t1, t2;
  	      if (B.C__RootZone !== zone) {
  	        t1 = B.C__RootZone.get$errorZone();
  	        t2 = zone.get$errorZone();
  	        f = t1 !== t2 ? zone.bindCallbackGuarded$1(f) : zone.bindCallback$1$1(f, type$.void);
  	      }
  	      A._scheduleAsyncCallback(f);
  	    },
  	    _rootCreateTimer($self, $parent, zone, duration, callback) {
  	      return A.Timer__createTimer(duration, B.C__RootZone !== zone ? zone.bindCallback$1$1(callback, type$.void) : callback);
  	    },
  	    _rootCreatePeriodicTimer($self, $parent, zone, duration, callback) {
  	      var milliseconds;
  	      if (B.C__RootZone !== zone)
  	        callback = zone.bindUnaryCallback$2$1(callback, type$.void, type$.Timer);
  	      milliseconds = B.JSInt_methods._tdivFast$1(duration._duration, 1000);
  	      return A._TimerImpl$periodic(milliseconds < 0 ? 0 : milliseconds, callback);
  	    },
  	    _rootPrint($self, $parent, zone, line) {
  	      A.printString(line);
  	    },
  	    _printToZone(line) {
  	      $.Zone__current.print$1(line);
  	    },
  	    _rootFork($self, $parent, zone, specification, zoneValues) {
  	      var valueMap, t1, handleUncaughtError;
  	      $.printToZone = A.async___printToZone$closure();
  	      if (specification == null)
  	        specification = B._ZoneSpecification_Ipa;
  	      if (zoneValues == null)
  	        valueMap = zone.get$_async$_map();
  	      else {
  	        t1 = type$.nullable_Object;
  	        valueMap = A.HashMap_HashMap$from(zoneValues, t1, t1);
  	      }
  	      t1 = new A._CustomZone(zone.get$_run(), zone.get$_runUnary(), zone.get$_runBinary(), zone.get$_registerCallback(), zone.get$_registerUnaryCallback(), zone.get$_registerBinaryCallback(), zone.get$_errorCallback(), zone.get$_scheduleMicrotask(), zone.get$_createTimer(), zone.get$_createPeriodicTimer(), zone.get$_print(), zone.get$_fork(), zone.get$_handleUncaughtError(), zone, valueMap);
  	      handleUncaughtError = specification.handleUncaughtError;
  	      if (handleUncaughtError != null)
  	        t1._handleUncaughtError = new A._ZoneFunction(t1, handleUncaughtError);
  	      return t1;
  	    },
  	    _AsyncRun__initializeScheduleImmediate_internalCallback: function _AsyncRun__initializeScheduleImmediate_internalCallback(t0) {
  	      this._box_0 = t0;
  	    },
  	    _AsyncRun__initializeScheduleImmediate_closure: function _AsyncRun__initializeScheduleImmediate_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.div = t1;
  	      this.span = t2;
  	    },
  	    _AsyncRun__scheduleImmediateJsOverride_internalCallback: function _AsyncRun__scheduleImmediateJsOverride_internalCallback(t0) {
  	      this.callback = t0;
  	    },
  	    _AsyncRun__scheduleImmediateWithSetImmediate_internalCallback: function _AsyncRun__scheduleImmediateWithSetImmediate_internalCallback(t0) {
  	      this.callback = t0;
  	    },
  	    _TimerImpl: function _TimerImpl(t0) {
  	      this._once = t0;
  	      this._handle = null;
  	      this._tick = 0;
  	    },
  	    _TimerImpl_internalCallback: function _TimerImpl_internalCallback(t0, t1) {
  	      this.$this = t0;
  	      this.callback = t1;
  	    },
  	    _TimerImpl$periodic_closure: function _TimerImpl$periodic_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.milliseconds = t1;
  	      _.start = t2;
  	      _.callback = t3;
  	    },
  	    _AsyncAwaitCompleter: function _AsyncAwaitCompleter(t0, t1) {
  	      this._future = t0;
  	      this.isSync = false;
  	      this.$ti = t1;
  	    },
  	    _awaitOnObject_closure: function _awaitOnObject_closure(t0) {
  	      this.bodyFunction = t0;
  	    },
  	    _awaitOnObject_closure0: function _awaitOnObject_closure0(t0) {
  	      this.bodyFunction = t0;
  	    },
  	    _wrapJsFunctionForAsync_closure: function _wrapJsFunctionForAsync_closure(t0) {
  	      this.$protected = t0;
  	    },
  	    _SyncStarIterator: function _SyncStarIterator(t0) {
  	      var _ = this;
  	      _._body = t0;
  	      _._suspendedBodies = _._nestedIterator = _._datum = _._async$_current = null;
  	    },
  	    _SyncStarIterable: function _SyncStarIterable(t0, t1) {
  	      this._outerHelper = t0;
  	      this.$ti = t1;
  	    },
  	    AsyncError: function AsyncError(t0, t1) {
  	      this.error = t0;
  	      this.stackTrace = t1;
  	    },
  	    Future_wait_handleError: function Future_wait_handleError(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.cleanUp = t1;
  	      _.eagerError = t2;
  	      _._future = t3;
  	    },
  	    Future_wait_closure: function Future_wait_closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.pos = t1;
  	      _._future = t2;
  	      _.T = t3;
  	      _.cleanUp = t4;
  	      _.eagerError = t5;
  	    },
  	    _Completer: function _Completer() {
  	    },
  	    _AsyncCompleter: function _AsyncCompleter(t0, t1) {
  	      this.future = t0;
  	      this.$ti = t1;
  	    },
  	    _SyncCompleter: function _SyncCompleter(t0, t1) {
  	      this.future = t0;
  	      this.$ti = t1;
  	    },
  	    _FutureListener: function _FutureListener(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._nextListener = null;
  	      _.result = t0;
  	      _.state = t1;
  	      _.callback = t2;
  	      _.errorCallback = t3;
  	      _.$ti = t4;
  	    },
  	    _Future: function _Future(t0, t1) {
  	      var _ = this;
  	      _._state = 0;
  	      _._zone = t0;
  	      _._resultOrListeners = null;
  	      _.$ti = t1;
  	    },
  	    _Future__addListener_closure: function _Future__addListener_closure(t0, t1) {
  	      this.$this = t0;
  	      this.listener = t1;
  	    },
  	    _Future__prependListeners_closure: function _Future__prependListeners_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _Future__chainCoreFuture_closure: function _Future__chainCoreFuture_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.target = t1;
  	    },
  	    _Future__asyncCompleteWithValue_closure: function _Future__asyncCompleteWithValue_closure(t0, t1) {
  	      this.$this = t0;
  	      this.value = t1;
  	    },
  	    _Future__asyncCompleteErrorObject_closure: function _Future__asyncCompleteErrorObject_closure(t0, t1) {
  	      this.$this = t0;
  	      this.error = t1;
  	    },
  	    _Future__propagateToListeners_handleWhenCompleteCallback: function _Future__propagateToListeners_handleWhenCompleteCallback(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this._box_1 = t1;
  	      this.hasError = t2;
  	    },
  	    _Future__propagateToListeners_handleWhenCompleteCallback_closure: function _Future__propagateToListeners_handleWhenCompleteCallback_closure(t0, t1) {
  	      this.joinedResult = t0;
  	      this.originalSource = t1;
  	    },
  	    _Future__propagateToListeners_handleWhenCompleteCallback_closure0: function _Future__propagateToListeners_handleWhenCompleteCallback_closure0(t0) {
  	      this.joinedResult = t0;
  	    },
  	    _Future__propagateToListeners_handleValueCallback: function _Future__propagateToListeners_handleValueCallback(t0, t1) {
  	      this._box_0 = t0;
  	      this.sourceResult = t1;
  	    },
  	    _Future__propagateToListeners_handleError: function _Future__propagateToListeners_handleError(t0, t1) {
  	      this._box_1 = t0;
  	      this._box_0 = t1;
  	    },
  	    _AsyncCallbackEntry: function _AsyncCallbackEntry(t0) {
  	      this.callback = t0;
  	      this.next = null;
  	    },
  	    Stream: function Stream() {
  	    },
  	    Stream_Stream$fromFuture_closure: function Stream_Stream$fromFuture_closure(t0, t1) {
  	      this.controller = t0;
  	      this.T = t1;
  	    },
  	    Stream_Stream$fromFuture_closure0: function Stream_Stream$fromFuture_closure0(t0) {
  	      this.controller = t0;
  	    },
  	    Stream_length_closure: function Stream_length_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    Stream_length_closure0: function Stream_length_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.future = t1;
  	    },
  	    _StreamController: function _StreamController() {
  	    },
  	    _StreamController__subscribe_closure: function _StreamController__subscribe_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _StreamController__recordCancel_complete: function _StreamController__recordCancel_complete(t0) {
  	      this.$this = t0;
  	    },
  	    _SyncStreamControllerDispatch: function _SyncStreamControllerDispatch() {
  	    },
  	    _AsyncStreamControllerDispatch: function _AsyncStreamControllerDispatch() {
  	    },
  	    _AsyncStreamController: function _AsyncStreamController(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._varData = null;
  	      _._state = 0;
  	      _._doneFuture = null;
  	      _.onListen = t0;
  	      _.onPause = t1;
  	      _.onResume = t2;
  	      _.onCancel = t3;
  	      _.$ti = t4;
  	    },
  	    _SyncStreamController: function _SyncStreamController(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._varData = null;
  	      _._state = 0;
  	      _._doneFuture = null;
  	      _.onListen = t0;
  	      _.onPause = t1;
  	      _.onResume = t2;
  	      _.onCancel = t3;
  	      _.$ti = t4;
  	    },
  	    _ControllerStream: function _ControllerStream(t0, t1) {
  	      this._controller = t0;
  	      this.$ti = t1;
  	    },
  	    _ControllerSubscription: function _ControllerSubscription(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._controller = t0;
  	      _._onData = t1;
  	      _._onError = t2;
  	      _._onDone = t3;
  	      _._zone = t4;
  	      _._state = t5;
  	      _._pending = _._cancelFuture = null;
  	      _.$ti = t6;
  	    },
  	    _AddStreamState: function _AddStreamState() {
  	    },
  	    _AddStreamState_makeErrorHandler_closure: function _AddStreamState_makeErrorHandler_closure(t0) {
  	      this.controller = t0;
  	    },
  	    _AddStreamState_cancel_closure: function _AddStreamState_cancel_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _StreamControllerAddStreamState: function _StreamControllerAddStreamState(t0, t1, t2) {
  	      this._varData = t0;
  	      this.addStreamFuture = t1;
  	      this.addSubscription = t2;
  	    },
  	    _BufferingStreamSubscription: function _BufferingStreamSubscription() {
  	    },
  	    _BufferingStreamSubscription__sendError_sendError: function _BufferingStreamSubscription__sendError_sendError(t0, t1, t2) {
  	      this.$this = t0;
  	      this.error = t1;
  	      this.stackTrace = t2;
  	    },
  	    _BufferingStreamSubscription__sendDone_sendDone: function _BufferingStreamSubscription__sendDone_sendDone(t0) {
  	      this.$this = t0;
  	    },
  	    _StreamImpl: function _StreamImpl() {
  	    },
  	    _DelayedEvent: function _DelayedEvent() {
  	    },
  	    _DelayedData: function _DelayedData(t0) {
  	      this.value = t0;
  	      this.next = null;
  	    },
  	    _DelayedError: function _DelayedError(t0, t1) {
  	      this.error = t0;
  	      this.stackTrace = t1;
  	      this.next = null;
  	    },
  	    _DelayedDone: function _DelayedDone() {
  	    },
  	    _PendingEvents: function _PendingEvents() {
  	      this._state = 0;
  	      this.lastPendingEvent = this.firstPendingEvent = null;
  	    },
  	    _PendingEvents_schedule_closure: function _PendingEvents_schedule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.dispatch = t1;
  	    },
  	    _StreamIterator: function _StreamIterator(t0) {
  	      this._subscription = null;
  	      this._stateData = t0;
  	      this._async$_hasValue = false;
  	    },
  	    _ForwardingStream: function _ForwardingStream() {
  	    },
  	    _ForwardingStreamSubscription: function _ForwardingStreamSubscription(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._stream = t0;
  	      _._subscription = null;
  	      _._onData = t1;
  	      _._onError = t2;
  	      _._onDone = t3;
  	      _._zone = t4;
  	      _._state = t5;
  	      _._pending = _._cancelFuture = null;
  	      _.$ti = t6;
  	    },
  	    _MapStream: function _MapStream(t0, t1, t2) {
  	      this._transform = t0;
  	      this._async$_source = t1;
  	      this.$ti = t2;
  	    },
  	    _ZoneFunction: function _ZoneFunction(t0, t1) {
  	      this.zone = t0;
  	      this.$function = t1;
  	    },
  	    _Zone: function _Zone() {
  	    },
  	    _CustomZone: function _CustomZone(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14) {
  	      var _ = this;
  	      _._run = t0;
  	      _._runUnary = t1;
  	      _._runBinary = t2;
  	      _._registerCallback = t3;
  	      _._registerUnaryCallback = t4;
  	      _._registerBinaryCallback = t5;
  	      _._errorCallback = t6;
  	      _._scheduleMicrotask = t7;
  	      _._createTimer = t8;
  	      _._createPeriodicTimer = t9;
  	      _._print = t10;
  	      _._fork = t11;
  	      _._handleUncaughtError = t12;
  	      _._delegateCache = null;
  	      _.parent = t13;
  	      _._async$_map = t14;
  	    },
  	    _CustomZone_bindCallback_closure: function _CustomZone_bindCallback_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.registered = t1;
  	      this.R = t2;
  	    },
  	    _CustomZone_bindUnaryCallback_closure: function _CustomZone_bindUnaryCallback_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.registered = t1;
  	      _.T = t2;
  	      _.R = t3;
  	    },
  	    _CustomZone_bindCallbackGuarded_closure: function _CustomZone_bindCallbackGuarded_closure(t0, t1) {
  	      this.$this = t0;
  	      this.registered = t1;
  	    },
  	    _RootZone: function _RootZone() {
  	    },
  	    _RootZone_bindCallback_closure: function _RootZone_bindCallback_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.f = t1;
  	      this.R = t2;
  	    },
  	    _RootZone_bindUnaryCallback_closure: function _RootZone_bindUnaryCallback_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.f = t1;
  	      _.T = t2;
  	      _.R = t3;
  	    },
  	    _RootZone_bindCallbackGuarded_closure: function _RootZone_bindCallbackGuarded_closure(t0, t1) {
  	      this.$this = t0;
  	      this.f = t1;
  	    },
  	    _ZoneDelegate: function _ZoneDelegate(t0) {
  	      this._delegationTarget = t0;
  	    },
  	    _rootHandleError_closure: function _rootHandleError_closure(t0, t1) {
  	      this.error = t0;
  	      this.stackTrace = t1;
  	    },
  	    _ZoneSpecification: function _ZoneSpecification(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12) {
  	      var _ = this;
  	      _.handleUncaughtError = t0;
  	      _.run = t1;
  	      _.runUnary = t2;
  	      _.runBinary = t3;
  	      _.registerCallback = t4;
  	      _.registerUnaryCallback = t5;
  	      _.registerBinaryCallback = t6;
  	      _.errorCallback = t7;
  	      _.scheduleMicrotask = t8;
  	      _.createTimer = t9;
  	      _.createPeriodicTimer = t10;
  	      _.print = t11;
  	      _.fork = t12;
  	    },
  	    HashMap_HashMap($K, $V) {
  	      return new A._HashMap($K._eval$1("@<0>")._bind$1($V)._eval$1("_HashMap<1,2>"));
  	    },
  	    _HashMap__getTableEntry(table, key) {
  	      var entry = table[key];
  	      return entry === table ? null : entry;
  	    },
  	    _HashMap__setTableEntry(table, key, value) {
  	      if (value == null)
  	        table[key] = table;
  	      else
  	        table[key] = value;
  	    },
  	    _HashMap__newHashTable() {
  	      var table = Object.create(null);
  	      A._HashMap__setTableEntry(table, "<non-identifier-key>", table);
  	      delete table["<non-identifier-key>"];
  	      return table;
  	    },
  	    LinkedHashMap_LinkedHashMap(equals, hashCode, isValidKey, $K, $V) {
  	      if (isValidKey == null)
  	        if (hashCode == null) {
  	          if (equals == null)
  	            return new A.JsLinkedHashMap($K._eval$1("@<0>")._bind$1($V)._eval$1("JsLinkedHashMap<1,2>"));
  	          hashCode = A.collection___defaultHashCode$closure();
  	        } else {
  	          if (A.core__identityHashCode$closure() === hashCode && A.core__identical$closure() === equals)
  	            return new A.JsIdentityLinkedHashMap($K._eval$1("@<0>")._bind$1($V)._eval$1("JsIdentityLinkedHashMap<1,2>"));
  	          if (equals == null)
  	            equals = A.collection___defaultEquals$closure();
  	        }
  	      else {
  	        if (hashCode == null)
  	          hashCode = A.collection___defaultHashCode$closure();
  	        if (equals == null)
  	          equals = A.collection___defaultEquals$closure();
  	      }
  	      return A._LinkedCustomHashMap$(equals, hashCode, isValidKey, $K, $V);
  	    },
  	    LinkedHashMap_LinkedHashMap$_literal(keyValuePairs, $K, $V) {
  	      return A.fillLiteralMap(keyValuePairs, new A.JsLinkedHashMap($K._eval$1("@<0>")._bind$1($V)._eval$1("JsLinkedHashMap<1,2>")));
  	    },
  	    LinkedHashMap_LinkedHashMap$_empty($K, $V) {
  	      return new A.JsLinkedHashMap($K._eval$1("@<0>")._bind$1($V)._eval$1("JsLinkedHashMap<1,2>"));
  	    },
  	    _LinkedCustomHashMap$(_equals, _hashCode, validKey, $K, $V) {
  	      var t1 = validKey != null ? validKey : new A._LinkedCustomHashMap_closure($K);
  	      return new A._LinkedCustomHashMap(_equals, _hashCode, t1, $K._eval$1("@<0>")._bind$1($V)._eval$1("_LinkedCustomHashMap<1,2>"));
  	    },
  	    LinkedHashSet_LinkedHashSet($E) {
  	      return new A._LinkedHashSet($E._eval$1("_LinkedHashSet<0>"));
  	    },
  	    LinkedHashSet_LinkedHashSet$_empty($E) {
  	      return new A._LinkedHashSet($E._eval$1("_LinkedHashSet<0>"));
  	    },
  	    LinkedHashSet_LinkedHashSet$_literal(values, $E) {
  	      return A.fillLiteralSet(values, new A._LinkedHashSet($E._eval$1("_LinkedHashSet<0>")));
  	    },
  	    _LinkedHashSet__newHashTable() {
  	      var table = Object.create(null);
  	      table["<non-identifier-key>"] = table;
  	      delete table["<non-identifier-key>"];
  	      return table;
  	    },
  	    _LinkedHashSetIterator$(_set, _modifications, $E) {
  	      var t1 = new A._LinkedHashSetIterator(_set, _modifications, $E._eval$1("_LinkedHashSetIterator<0>"));
  	      t1._collection$_cell = _set._collection$_first;
  	      return t1;
  	    },
  	    UnmodifiableListView$(source, $E) {
  	      return new A.UnmodifiableListView(source, $E._eval$1("UnmodifiableListView<0>"));
  	    },
  	    _defaultEquals(a, b) {
  	      return J.$eq$(a, b);
  	    },
  	    _defaultHashCode(a) {
  	      return J.get$hashCode$(a);
  	    },
  	    HashMap_HashMap$from(other, $K, $V) {
  	      var result = A.HashMap_HashMap($K, $V);
  	      other.forEach$1(0, new A.HashMap_HashMap$from_closure(result, $K, $V));
  	      return result;
  	    },
  	    IterableExtensions_get_firstOrNull(_this) {
  	      var t2,
  	        t1 = A._arrayInstanceType(_this),
  	        iterator = new J.ArrayIterator(_this, _this.length, t1._eval$1("ArrayIterator<1>"));
  	      if (iterator.moveNext$0()) {
  	        t2 = iterator._current;
  	        return t2 == null ? t1._precomputed1._as(t2) : t2;
  	      }
  	      return null;
  	    },
  	    LinkedHashMap_LinkedHashMap$from(other, $K, $V) {
  	      var result = A.LinkedHashMap_LinkedHashMap(null, null, null, $K, $V);
  	      other.forEach$1(0, new A.LinkedHashMap_LinkedHashMap$from_closure(result, $K, $V));
  	      return result;
  	    },
  	    LinkedHashMap_LinkedHashMap$of(other, $K, $V) {
  	      var t1 = A.LinkedHashMap_LinkedHashMap(null, null, null, $K, $V);
  	      t1.addAll$1(0, other);
  	      return t1;
  	    },
  	    LinkedHashSet_LinkedHashSet$from(elements, $E) {
  	      var t1, _i,
  	        result = A.LinkedHashSet_LinkedHashSet($E);
  	      for (t1 = elements.length, _i = 0; _i < elements.length; elements.length === t1 || (0, A.throwConcurrentModificationError)(elements), ++_i)
  	        result.add$1(0, $E._as(elements[_i]));
  	      return result;
  	    },
  	    LinkedHashSet_LinkedHashSet$of(elements, $E) {
  	      var t1 = A.LinkedHashSet_LinkedHashSet($E);
  	      t1.addAll$1(0, elements);
  	      return t1;
  	    },
  	    ListBase__compareAny(a, b) {
  	      var t1 = type$.Comparable_dynamic;
  	      return J.compareTo$1$ns(t1._as(a), t1._as(b));
  	    },
  	    MapBase_mapToString(m) {
  	      var result, t1;
  	      if (A.isToStringVisiting(m))
  	        return "{...}";
  	      result = new A.StringBuffer("");
  	      try {
  	        t1 = {};
  	        $._toStringVisiting.push(m);
  	        result._contents += "{";
  	        t1.first = true;
  	        m.forEach$1(0, new A.MapBase_mapToString_closure(t1, result));
  	        result._contents += "}";
  	      } finally {
  	        $._toStringVisiting.pop();
  	      }
  	      t1 = result._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    MapBase__fillMapWithIterables(map, keys, values) {
  	      var keyIterator = keys.get$iterator(keys),
  	        valueIterator = values.get$iterator(values),
  	        hasNextKey = keyIterator.moveNext$0(),
  	        hasNextValue = valueIterator.moveNext$0();
  	      for (;;) {
  	        if (!(hasNextKey && hasNextValue))
  	          break;
  	        map.$indexSet(0, keyIterator.get$current(keyIterator), valueIterator.get$current(valueIterator));
  	        hasNextKey = keyIterator.moveNext$0();
  	        hasNextValue = valueIterator.moveNext$0();
  	      }
  	      if (hasNextKey || hasNextValue)
  	        throw A.wrapException(A.ArgumentError$("Iterables do not have same length.", null));
  	    },
  	    ListQueue$($E) {
  	      return new A.ListQueue(A.List_List$filled(A.ListQueue__calculateCapacity(null), null, false, $E._eval$1("0?")), $E._eval$1("ListQueue<0>"));
  	    },
  	    ListQueue__calculateCapacity(initialCapacity) {
  	      return 8;
  	    },
  	    ListQueue__nextPowerOf2(number) {
  	      var nextNumber;
  	      number = (number << 1 >>> 0) - 1;
  	      for (;; number = nextNumber) {
  	        nextNumber = (number & number - 1) >>> 0;
  	        if (nextNumber === 0)
  	          return number;
  	      }
  	    },
  	    _ListQueueIterator$(queue, $E) {
  	      return new A._ListQueueIterator(queue, queue._tail, queue._modificationCount, queue._head, $E._eval$1("_ListQueueIterator<0>"));
  	    },
  	    _UnmodifiableSetMixin__throwUnmodifiable() {
  	      throw A.wrapException(A.UnsupportedError$("Cannot change an unmodifiable set"));
  	    },
  	    _HashMap: function _HashMap(t0) {
  	      var _ = this;
  	      _._collection$_length = 0;
  	      _._collection$_keys = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
  	      _.$ti = t0;
  	    },
  	    _HashMap_values_closure: function _HashMap_values_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _HashMap_addAll_closure: function _HashMap_addAll_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _IdentityHashMap: function _IdentityHashMap(t0) {
  	      var _ = this;
  	      _._collection$_length = 0;
  	      _._collection$_keys = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
  	      _.$ti = t0;
  	    },
  	    _HashMapKeyIterable: function _HashMapKeyIterable(t0, t1) {
  	      this._map = t0;
  	      this.$ti = t1;
  	    },
  	    _HashMapKeyIterator: function _HashMapKeyIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._map = t0;
  	      _._collection$_keys = t1;
  	      _._offset = 0;
  	      _._collection$_current = null;
  	      _.$ti = t2;
  	    },
  	    _LinkedCustomHashMap: function _LinkedCustomHashMap(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._equals = t0;
  	      _._hashCode = t1;
  	      _._validKey = t2;
  	      _.__js_helper$_length = 0;
  	      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
  	      _._modifications = 0;
  	      _.$ti = t3;
  	    },
  	    _LinkedCustomHashMap_closure: function _LinkedCustomHashMap_closure(t0) {
  	      this.K = t0;
  	    },
  	    _LinkedHashSet: function _LinkedHashSet(t0) {
  	      var _ = this;
  	      _._collection$_length = 0;
  	      _._collection$_last = _._collection$_first = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
  	      _._collection$_modifications = 0;
  	      _.$ti = t0;
  	    },
  	    _LinkedIdentityHashSet: function _LinkedIdentityHashSet(t0) {
  	      var _ = this;
  	      _._collection$_length = 0;
  	      _._collection$_last = _._collection$_first = _._collection$_rest = _._collection$_nums = _._collection$_strings = null;
  	      _._collection$_modifications = 0;
  	      _.$ti = t0;
  	    },
  	    _LinkedHashSetCell: function _LinkedHashSetCell(t0) {
  	      this._element = t0;
  	      this._collection$_previous = this._collection$_next = null;
  	    },
  	    _LinkedHashSetIterator: function _LinkedHashSetIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._set = t0;
  	      _._collection$_modifications = t1;
  	      _._collection$_current = _._collection$_cell = null;
  	      _.$ti = t2;
  	    },
  	    UnmodifiableListView: function UnmodifiableListView(t0, t1) {
  	      this._collection$_source = t0;
  	      this.$ti = t1;
  	    },
  	    HashMap_HashMap$from_closure: function HashMap_HashMap$from_closure(t0, t1, t2) {
  	      this.result = t0;
  	      this.K = t1;
  	      this.V = t2;
  	    },
  	    LinkedHashMap_LinkedHashMap$from_closure: function LinkedHashMap_LinkedHashMap$from_closure(t0, t1, t2) {
  	      this.result = t0;
  	      this.K = t1;
  	      this.V = t2;
  	    },
  	    ListBase: function ListBase() {
  	    },
  	    MapBase: function MapBase() {
  	    },
  	    MapBase_addAll_closure: function MapBase_addAll_closure(t0) {
  	      this.$this = t0;
  	    },
  	    MapBase_entries_closure: function MapBase_entries_closure(t0) {
  	      this.$this = t0;
  	    },
  	    MapBase_mapToString_closure: function MapBase_mapToString_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.result = t1;
  	    },
  	    UnmodifiableMapBase: function UnmodifiableMapBase() {
  	    },
  	    _MapBaseValueIterable: function _MapBaseValueIterable(t0, t1) {
  	      this._map = t0;
  	      this.$ti = t1;
  	    },
  	    _MapBaseValueIterator: function _MapBaseValueIterator(t0, t1, t2) {
  	      var _ = this;
  	      _._collection$_keys = t0;
  	      _._map = t1;
  	      _._collection$_current = null;
  	      _.$ti = t2;
  	    },
  	    _UnmodifiableMapMixin: function _UnmodifiableMapMixin() {
  	    },
  	    MapView: function MapView() {
  	    },
  	    UnmodifiableMapView: function UnmodifiableMapView(t0, t1) {
  	      this._map = t0;
  	      this.$ti = t1;
  	    },
  	    ListQueue: function ListQueue(t0, t1) {
  	      var _ = this;
  	      _._table = t0;
  	      _._modificationCount = _._tail = _._head = 0;
  	      _.$ti = t1;
  	    },
  	    _ListQueueIterator: function _ListQueueIterator(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._queue = t0;
  	      _._collection$_end = t1;
  	      _._modificationCount = t2;
  	      _._collection$_position = t3;
  	      _._collection$_current = null;
  	      _.$ti = t4;
  	    },
  	    SetBase: function SetBase() {
  	    },
  	    _SetBase: function _SetBase() {
  	    },
  	    _UnmodifiableSetMixin: function _UnmodifiableSetMixin() {
  	    },
  	    UnmodifiableSetView: function UnmodifiableSetView(t0, t1) {
  	      this._collection$_source = t0;
  	      this.$ti = t1;
  	    },
  	    _UnmodifiableMapView_MapView__UnmodifiableMapMixin: function _UnmodifiableMapView_MapView__UnmodifiableMapMixin() {
  	    },
  	    _UnmodifiableSetView_SetBase__UnmodifiableSetMixin: function _UnmodifiableSetView_SetBase__UnmodifiableSetMixin() {
  	    },
  	    _parseJson(source, reviver) {
  	      var e, t1, parsed = null;
  	      try {
  	        parsed = JSON.parse(source);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        t1 = A.FormatException$(String(e), null, null);
  	        throw A.wrapException(t1);
  	      }
  	      t1 = A._convertJsonToDartLazy(parsed);
  	      return t1;
  	    },
  	    _convertJsonToDartLazy(object) {
  	      var i;
  	      if (object == null)
  	        return null;
  	      if (typeof object != "object")
  	        return object;
  	      if (!Array.isArray(object))
  	        return new A._JsonMap(object, Object.create(null));
  	      for (i = 0; i < object.length; ++i)
  	        object[i] = A._convertJsonToDartLazy(object[i]);
  	      return object;
  	    },
  	    _Utf8Decoder__makeNativeUint8List(codeUnits, start, end) {
  	      var bytes, t1, i, b,
  	        $length = end - start;
  	      if ($length <= 4096)
  	        bytes = $.$get$_Utf8Decoder__reusableBuffer();
  	      else
  	        bytes = new Uint8Array($length);
  	      for (t1 = J.getInterceptor$asx(codeUnits), i = 0; i < $length; ++i) {
  	        b = t1.$index(codeUnits, start + i);
  	        if ((b & 255) !== b)
  	          b = 255;
  	        bytes[i] = b;
  	      }
  	      return bytes;
  	    },
  	    _Utf8Decoder__convertInterceptedUint8List(allowMalformed, codeUnits, start, end) {
  	      var decoder = allowMalformed ? $.$get$_Utf8Decoder__decoderNonfatal() : $.$get$_Utf8Decoder__decoder();
  	      if (decoder == null)
  	        return null;
  	      if (0 === start && end === codeUnits.length)
  	        return A._Utf8Decoder__useTextDecoder(decoder, codeUnits);
  	      return A._Utf8Decoder__useTextDecoder(decoder, codeUnits.subarray(start, end));
  	    },
  	    _Utf8Decoder__useTextDecoder(decoder, codeUnits) {
  	      var t1;
  	      try {
  	        t1 = decoder.decode(codeUnits);
  	        return t1;
  	      } catch (exception) {
  	      }
  	      return null;
  	    },
  	    Base64Codec__checkPadding(source, sourceIndex, sourceEnd, firstPadding, paddingCount, $length) {
  	      if (B.JSInt_methods.$mod($length, 4) !== 0)
  	        throw A.wrapException(A.FormatException$("Invalid base64 padding, padded length must be multiple of four, is " + $length, source, sourceEnd));
  	      if (firstPadding + paddingCount !== $length)
  	        throw A.wrapException(A.FormatException$("Invalid base64 padding, '=' not at the end", source, sourceIndex));
  	      if (paddingCount > 2)
  	        throw A.wrapException(A.FormatException$("Invalid base64 padding, more than two '=' characters", source, sourceIndex));
  	    },
  	    _Base64Encoder_encodeChunk(alphabet, bytes, start, end, isLast, output, outputIndex, state) {
  	      var t1, t2, i, byteOr, byte, outputIndex0, outputIndex1,
  	        bits = state >>> 2,
  	        expectedChars = 3 - (state & 3);
  	      for (t1 = J.getInterceptor$asx(bytes), t2 = output.$flags | 0, i = start, byteOr = 0; i < end; ++i) {
  	        byte = t1.$index(bytes, i);
  	        byteOr = (byteOr | byte) >>> 0;
  	        bits = (bits << 8 | byte) & 16777215;
  	        --expectedChars;
  	        if (expectedChars === 0) {
  	          outputIndex0 = outputIndex + 1;
  	          t2 & 2 && A.throwUnsupportedOperation(output);
  	          output[outputIndex] = alphabet.charCodeAt(bits >>> 18 & 63);
  	          outputIndex = outputIndex0 + 1;
  	          output[outputIndex0] = alphabet.charCodeAt(bits >>> 12 & 63);
  	          outputIndex0 = outputIndex + 1;
  	          output[outputIndex] = alphabet.charCodeAt(bits >>> 6 & 63);
  	          outputIndex = outputIndex0 + 1;
  	          output[outputIndex0] = alphabet.charCodeAt(bits & 63);
  	          bits = 0;
  	          expectedChars = 3;
  	        }
  	      }
  	      if (byteOr >= 0 && byteOr <= 255) {
  	        if (isLast && expectedChars < 3) {
  	          outputIndex0 = outputIndex + 1;
  	          outputIndex1 = outputIndex0 + 1;
  	          if (3 - expectedChars === 1) {
  	            t2 & 2 && A.throwUnsupportedOperation(output);
  	            output[outputIndex] = alphabet.charCodeAt(bits >>> 2 & 63);
  	            output[outputIndex0] = alphabet.charCodeAt(bits << 4 & 63);
  	            output[outputIndex1] = 61;
  	            output[outputIndex1 + 1] = 61;
  	          } else {
  	            t2 & 2 && A.throwUnsupportedOperation(output);
  	            output[outputIndex] = alphabet.charCodeAt(bits >>> 10 & 63);
  	            output[outputIndex0] = alphabet.charCodeAt(bits >>> 4 & 63);
  	            output[outputIndex1] = alphabet.charCodeAt(bits << 2 & 63);
  	            output[outputIndex1 + 1] = 61;
  	          }
  	          return 0;
  	        }
  	        return (bits << 2 | 3 - expectedChars) >>> 0;
  	      }
  	      for (i = start; i < end;) {
  	        byte = t1.$index(bytes, i);
  	        if (byte < 0 || byte > 255)
  	          break;
  	        ++i;
  	      }
  	      throw A.wrapException(A.ArgumentError$value(bytes, "Not a byte value at index " + i + ": 0x" + B.JSInt_methods.toRadixString$1(t1.$index(bytes, i), 16), null));
  	    },
  	    JsonUnsupportedObjectError$(unsupportedObject, cause, partialResult) {
  	      return new A.JsonUnsupportedObjectError(unsupportedObject, cause);
  	    },
  	    _defaultToEncodable(object) {
  	      return object.toJson$0();
  	    },
  	    _JsonStringStringifier$(_sink, _toEncodable) {
  	      return new A._JsonStringStringifier(_sink, [], A.convert___defaultToEncodable$closure());
  	    },
  	    _JsonStringStringifier_stringify(object, toEncodable, indent) {
  	      var t1,
  	        output = new A.StringBuffer(""),
  	        stringifier = A._JsonStringStringifier$(output, toEncodable);
  	      stringifier.writeObject$1(object);
  	      t1 = output._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _Utf8Decoder_errorDescription(state) {
  	      switch (state) {
  	        case 65:
  	          return "Missing extension byte";
  	        case 67:
  	          return "Unexpected extension byte";
  	        case 69:
  	          return "Invalid UTF-8 byte";
  	        case 71:
  	          return "Overlong encoding";
  	        case 73:
  	          return "Out of unicode range";
  	        case 75:
  	          return "Encoded surrogate";
  	        case 77:
  	          return "Unfinished UTF-8 octet sequence";
  	        default:
  	          return "";
  	      }
  	    },
  	    _JsonMap: function _JsonMap(t0, t1) {
  	      this._original = t0;
  	      this._processed = t1;
  	      this._data = null;
  	    },
  	    _JsonMap_values_closure: function _JsonMap_values_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _JsonMap_addAll_closure: function _JsonMap_addAll_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _JsonMapKeyIterable: function _JsonMapKeyIterable(t0) {
  	      this._convert$_parent = t0;
  	    },
  	    _Utf8Decoder__decoder_closure: function _Utf8Decoder__decoder_closure() {
  	    },
  	    _Utf8Decoder__decoderNonfatal_closure: function _Utf8Decoder__decoderNonfatal_closure() {
  	    },
  	    AsciiCodec: function AsciiCodec() {
  	    },
  	    _UnicodeSubsetEncoder: function _UnicodeSubsetEncoder() {
  	    },
  	    AsciiEncoder: function AsciiEncoder(t0) {
  	      this._subsetMask = t0;
  	    },
  	    Base64Codec: function Base64Codec() {
  	    },
  	    Base64Encoder: function Base64Encoder() {
  	    },
  	    _Base64Encoder: function _Base64Encoder(t0) {
  	      this._convert$_state = 0;
  	      this._alphabet = t0;
  	    },
  	    _Base64EncoderSink: function _Base64EncoderSink() {
  	    },
  	    _Utf8Base64EncoderSink: function _Utf8Base64EncoderSink(t0, t1) {
  	      this._sink = t0;
  	      this._encoder = t1;
  	    },
  	    ByteConversionSink: function ByteConversionSink() {
  	    },
  	    Codec: function Codec() {
  	    },
  	    Converter: function Converter() {
  	    },
  	    Encoding: function Encoding() {
  	    },
  	    JsonUnsupportedObjectError: function JsonUnsupportedObjectError(t0, t1) {
  	      this.unsupportedObject = t0;
  	      this.cause = t1;
  	    },
  	    JsonCyclicError: function JsonCyclicError(t0, t1) {
  	      this.unsupportedObject = t0;
  	      this.cause = t1;
  	    },
  	    JsonCodec: function JsonCodec() {
  	    },
  	    JsonEncoder: function JsonEncoder(t0) {
  	      this._toEncodable = t0;
  	    },
  	    JsonDecoder: function JsonDecoder(t0) {
  	      this._reviver = t0;
  	    },
  	    _JsonStringifier: function _JsonStringifier() {
  	    },
  	    _JsonStringifier_writeMap_closure: function _JsonStringifier_writeMap_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.keyValueList = t1;
  	    },
  	    _JsonStringStringifier: function _JsonStringStringifier(t0, t1, t2) {
  	      this._sink = t0;
  	      this._seen = t1;
  	      this._toEncodable = t2;
  	    },
  	    StringConversionSink: function StringConversionSink() {
  	    },
  	    _StringSinkConversionSink: function _StringSinkConversionSink(t0) {
  	      this._stringSink = t0;
  	    },
  	    _StringCallbackSink: function _StringCallbackSink(t0, t1) {
  	      this._convert$_callback = t0;
  	      this._stringSink = t1;
  	    },
  	    _Utf8StringSinkAdapter: function _Utf8StringSinkAdapter(t0, t1, t2) {
  	      this._decoder = t0;
  	      this._sink = t1;
  	      this._stringSink = t2;
  	    },
  	    Utf8Codec: function Utf8Codec() {
  	    },
  	    Utf8Encoder: function Utf8Encoder() {
  	    },
  	    _Utf8Encoder: function _Utf8Encoder(t0) {
  	      this._bufferIndex = 0;
  	      this._buffer = t0;
  	    },
  	    Utf8Decoder: function Utf8Decoder(t0) {
  	      this._allowMalformed = t0;
  	    },
  	    _Utf8Decoder: function _Utf8Decoder(t0) {
  	      this.allowMalformed = t0;
  	      this._convert$_state = 16;
  	      this._charOrIndex = 0;
  	    },
  	    identityHashCode(object) {
  	      return A.objectHashCode(object);
  	    },
  	    Function_apply($function, positionalArguments) {
  	      return A.Primitives_applyFunction($function, positionalArguments, null);
  	    },
  	    Expando$() {
  	      return new A.Expando(new WeakMap());
  	    },
  	    Expando__checkType(object) {
  	      if (A._isBool(object) || typeof object == "number" || typeof object == "string" || object instanceof A._Record)
  	        A.Expando__badExpandoKey(object);
  	    },
  	    Expando__badExpandoKey(object) {
  	      throw A.wrapException(A.ArgumentError$value(object, "object", "Expandos are not allowed on strings, numbers, bools, records or null"));
  	    },
  	    int_parse(source, radix) {
  	      var value = A.Primitives_parseInt(source, radix);
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.FormatException$(source, null, null));
  	    },
  	    double_parse(source) {
  	      var value = A.Primitives_parseDouble(source);
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.FormatException$("Invalid double", source, null));
  	    },
  	    Error__throw(error, stackTrace) {
  	      error = A.initializeExceptionWrapper(error, new Error());
  	      error.stack = stackTrace.toString$0(0);
  	      throw error;
  	    },
  	    List_List$filled($length, fill, growable, $E) {
  	      var i,
  	        result = growable ? J.JSArray_JSArray$growable($length, $E) : J.JSArray_JSArray$fixed($length, $E);
  	      if ($length !== 0 && fill != null)
  	        for (i = 0; i < result.length; ++i)
  	          result[i] = fill;
  	      return result;
  	    },
  	    List_List$from(elements, growable, $E) {
  	      var t1,
  	        list = A._setArrayType([], $E._eval$1("JSArray<0>"));
  	      for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
  	        list.push(t1.get$current(t1));
  	      if (growable)
  	        return list;
  	      list.$flags = 1;
  	      return list;
  	    },
  	    List_List$of(elements, growable, $E) {
  	      var t1;
  	      if (growable)
  	        t1 = A.List_List$_of(elements, $E);
  	      else {
  	        t1 = A.List_List$_of(elements, $E);
  	        t1.$flags = 1;
  	        t1 = t1;
  	      }
  	      return t1;
  	    },
  	    List_List$_of(elements, $E) {
  	      var list, t1;
  	      if (Array.isArray(elements))
  	        return A._setArrayType(elements.slice(0), $E._eval$1("JSArray<0>"));
  	      list = A._setArrayType([], $E._eval$1("JSArray<0>"));
  	      for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
  	        list.push(t1.get$current(t1));
  	      return list;
  	    },
  	    List_List$unmodifiable(elements, $E) {
  	      var result = A.List_List$from(elements, false, $E);
  	      result.$flags = 3;
  	      return result;
  	    },
  	    String_String$fromCharCodes(charCodes, start, end) {
  	      var t1, t2, maxLength, array, len;
  	      A.RangeError_checkNotNegative(start, "start");
  	      t1 = end == null;
  	      t2 = !t1;
  	      if (t2) {
  	        maxLength = end - start;
  	        if (maxLength < 0)
  	          throw A.wrapException(A.RangeError$range(end, start, null, "end", null));
  	        if (maxLength === 0)
  	          return "";
  	      }
  	      if (Array.isArray(charCodes)) {
  	        array = charCodes;
  	        len = array.length;
  	        if (t1)
  	          end = len;
  	        return A.Primitives_stringFromCharCodes(start > 0 || end < len ? array.slice(start, end) : array);
  	      }
  	      if (type$.NativeUint8List._is(charCodes))
  	        return A.String__stringFromUint8List(charCodes, start, end);
  	      if (t2)
  	        charCodes = J.take$1$ax(charCodes, end);
  	      if (start > 0)
  	        charCodes = J.skip$1$ax(charCodes, start);
  	      t1 = A.List_List$_of(charCodes, type$.int);
  	      return A.Primitives_stringFromCharCodes(t1);
  	    },
  	    String_String$fromCharCode(charCode) {
  	      return A.Primitives_stringFromCharCode(charCode);
  	    },
  	    String__stringFromUint8List(charCodes, start, endOrNull) {
  	      var len = charCodes.length;
  	      if (start >= len)
  	        return "";
  	      return A.Primitives_stringFromNativeUint8List(charCodes, start, endOrNull == null || endOrNull > len ? len : endOrNull);
  	    },
  	    RegExp_RegExp(source, multiLine) {
  	      return new A.JSSyntaxRegExp(source, A.JSSyntaxRegExp_makeNative(source, multiLine, true, false, false, ""));
  	    },
  	    identical(a, b) {
  	      return a == null ? b == null : a === b;
  	    },
  	    StringBuffer__writeAll(string, objects, separator) {
  	      var iterator = J.get$iterator$ax(objects);
  	      if (!iterator.moveNext$0())
  	        return string;
  	      if (separator.length === 0) {
  	        do
  	          string += A.S(iterator.get$current(iterator));
  	        while (iterator.moveNext$0());
  	      } else {
  	        string += A.S(iterator.get$current(iterator));
  	        while (iterator.moveNext$0())
  	          string = string + separator + A.S(iterator.get$current(iterator));
  	      }
  	      return string;
  	    },
  	    NoSuchMethodError_NoSuchMethodError$withInvocation(receiver, invocation) {
  	      return new A.NoSuchMethodError(receiver, invocation.get$memberName(), invocation.get$positionalArguments(), invocation.get$namedArguments());
  	    },
  	    Uri_base() {
  	      var cachedUri, uri,
  	        current = A.Primitives_currentUri();
  	      if (current == null)
  	        throw A.wrapException(A.UnsupportedError$("'Uri.base' is not supported"));
  	      cachedUri = $.Uri__cachedBaseUri;
  	      if (cachedUri != null && current === $.Uri__cachedBaseString)
  	        return cachedUri;
  	      uri = A.Uri_parse(current);
  	      $.Uri__cachedBaseUri = uri;
  	      $.Uri__cachedBaseString = current;
  	      return uri;
  	    },
  	    _Uri__uriEncode(canonicalMask, text, encoding, spaceToPlus) {
  	      var t1, bytes, i, t2, byte,
  	        _s16_ = "0123456789ABCDEF";
  	      if (encoding === B.C_Utf8Codec) {
  	        t1 = $.$get$_Uri__needsNoEncoding();
  	        t1 = t1._nativeRegExp.test(text);
  	      } else
  	        t1 = false;
  	      if (t1)
  	        return text;
  	      bytes = B.C_Utf8Encoder.convert$1(text);
  	      for (t1 = bytes.length, i = 0, t2 = ""; i < t1; ++i) {
  	        byte = bytes[i];
  	        if (byte < 128 && (string$.x00_____.charCodeAt(byte) & canonicalMask) !== 0)
  	          t2 += A.Primitives_stringFromCharCode(byte);
  	        else
  	          t2 = spaceToPlus && byte === 32 ? t2 + "+" : t2 + "%" + _s16_[byte >>> 4 & 15] + _s16_[byte & 15];
  	      }
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    },
  	    StackTrace_current() {
  	      return A.getTraceFromException(new Error());
  	    },
  	    DateTime$fromMillisecondsSinceEpoch(millisecondsSinceEpoch) {
  	      if (millisecondsSinceEpoch < -864e13 || millisecondsSinceEpoch > 864e13)
  	        A.throwExpression(A.RangeError$range(millisecondsSinceEpoch, -864e13, 864e13, "millisecondsSinceEpoch", null));
  	      A.checkNotNullable(false, "isUtc", type$.bool);
  	      return new A.DateTime(millisecondsSinceEpoch, 0, false);
  	    },
  	    DateTime__validate(millisecondsSinceEpoch, microsecond, isUtc) {
  	      var _s11_ = "microsecond";
  	      if (microsecond > 999)
  	        throw A.wrapException(A.RangeError$range(microsecond, 0, 999, _s11_, null));
  	      if (millisecondsSinceEpoch < -864e13 || millisecondsSinceEpoch > 864e13)
  	        throw A.wrapException(A.RangeError$range(millisecondsSinceEpoch, -864e13, 864e13, "millisecondsSinceEpoch", null));
  	      if (millisecondsSinceEpoch === 864e13 && microsecond !== 0)
  	        throw A.wrapException(A.ArgumentError$value(microsecond, _s11_, "Time including microseconds is outside valid range"));
  	      A.checkNotNullable(false, "isUtc", type$.bool);
  	      return millisecondsSinceEpoch;
  	    },
  	    DateTime__fourDigits(n) {
  	      var absN = Math.abs(n),
  	        sign = n < 0 ? "-" : "";
  	      if (absN >= 1000)
  	        return "" + n;
  	      if (absN >= 100)
  	        return sign + "0" + absN;
  	      if (absN >= 10)
  	        return sign + "00" + absN;
  	      return sign + "000" + absN;
  	    },
  	    DateTime__threeDigits(n) {
  	      if (n >= 100)
  	        return "" + n;
  	      if (n >= 10)
  	        return "0" + n;
  	      return "00" + n;
  	    },
  	    DateTime__twoDigits(n) {
  	      if (n >= 10)
  	        return "" + n;
  	      return "0" + n;
  	    },
  	    Duration$(microseconds, milliseconds) {
  	      return new A.Duration(microseconds + 1000 * milliseconds);
  	    },
  	    EnumByName_byName(_this, $name) {
  	      var _i, value;
  	      for (_i = 0; _i < 4; ++_i) {
  	        value = _this[_i];
  	        if (value._name === $name)
  	          return value;
  	      }
  	      throw A.wrapException(A.ArgumentError$value($name, "name", "No enum value with that name"));
  	    },
  	    Error_safeToString(object) {
  	      if (typeof object == "number" || A._isBool(object) || object == null)
  	        return J.toString$0$(object);
  	      if (typeof object == "string")
  	        return JSON.stringify(object);
  	      return A.Primitives_safeToString(object);
  	    },
  	    Error_throwWithStackTrace(error, stackTrace) {
  	      A.checkNotNullable(error, "error", type$.Object);
  	      A.checkNotNullable(stackTrace, "stackTrace", type$.StackTrace);
  	      A.Error__throw(error, stackTrace);
  	    },
  	    AssertionError$(message) {
  	      return new A.AssertionError(message);
  	    },
  	    ArgumentError$(message, $name) {
  	      return new A.ArgumentError(false, null, $name, message);
  	    },
  	    ArgumentError$value(value, $name, message) {
  	      return new A.ArgumentError(true, value, $name, message);
  	    },
  	    ArgumentError_checkNotNull(argument, $name) {
  	      return argument;
  	    },
  	    RangeError$(message) {
  	      var _null = null;
  	      return new A.RangeError(_null, _null, false, _null, _null, message);
  	    },
  	    RangeError$value(value, $name, message) {
  	      return new A.RangeError(null, null, true, value, $name, message == null ? "Value not in range" : message);
  	    },
  	    RangeError$range(invalidValue, minValue, maxValue, $name, message) {
  	      return new A.RangeError(minValue, maxValue, true, invalidValue, $name, message == null ? "Invalid value" : message);
  	    },
  	    RangeError_checkValueInInterval(value, minValue, maxValue, $name) {
  	      if (value < minValue || value > maxValue)
  	        throw A.wrapException(A.RangeError$range(value, minValue, maxValue, $name, null));
  	      return value;
  	    },
  	    RangeError_checkValidRange(start, end, $length) {
  	      if (0 > start || start > $length)
  	        throw A.wrapException(A.RangeError$range(start, 0, $length, "start", null));
  	      if (end != null) {
  	        if (start > end || end > $length)
  	          throw A.wrapException(A.RangeError$range(end, start, $length, "end", null));
  	        return end;
  	      }
  	      return $length;
  	    },
  	    RangeError_checkNotNegative(value, $name) {
  	      if (value < 0)
  	        throw A.wrapException(A.RangeError$range(value, 0, null, $name, null));
  	      return value;
  	    },
  	    IndexError$withLength(invalidValue, $length, indexable, message, $name) {
  	      return new A.IndexError($length, true, invalidValue, $name, "Index out of range");
  	    },
  	    IndexError_check(index, $length, indexable, message, $name) {
  	      if (0 > index || index >= $length)
  	        throw A.wrapException(A.IndexError$withLength(index, $length, indexable, message, $name == null ? "index" : $name));
  	      return index;
  	    },
  	    UnsupportedError$(message) {
  	      return new A.UnsupportedError(message);
  	    },
  	    UnimplementedError$(message) {
  	      return new A.UnimplementedError(message);
  	    },
  	    StateError$(message) {
  	      return new A.StateError(message);
  	    },
  	    ConcurrentModificationError$(modifiedObject) {
  	      return new A.ConcurrentModificationError(modifiedObject);
  	    },
  	    FormatException$(message, source, offset) {
  	      return new A.FormatException(message, source, offset);
  	    },
  	    Iterable_Iterable$generate(count, generator, $E) {
  	      if (count <= 0)
  	        return new A.EmptyIterable($E._eval$1("EmptyIterable<0>"));
  	      return new A._GeneratorIterable(count, generator, $E._eval$1("_GeneratorIterable<0>"));
  	    },
  	    Iterable_iterableToShortString(iterable, leftDelimiter, rightDelimiter) {
  	      var parts, t1;
  	      if (A.isToStringVisiting(iterable)) {
  	        if (leftDelimiter === "(" && rightDelimiter === ")")
  	          return "(...)";
  	        return leftDelimiter + "..." + rightDelimiter;
  	      }
  	      parts = A._setArrayType([], type$.JSArray_String);
  	      $._toStringVisiting.push(iterable);
  	      try {
  	        A._iterablePartsToStrings(iterable, parts);
  	      } finally {
  	        $._toStringVisiting.pop();
  	      }
  	      t1 = A.StringBuffer__writeAll(leftDelimiter, parts, ", ") + rightDelimiter;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    Iterable_iterableToFullString(iterable, leftDelimiter, rightDelimiter) {
  	      var buffer, t1;
  	      if (A.isToStringVisiting(iterable))
  	        return leftDelimiter + "..." + rightDelimiter;
  	      buffer = new A.StringBuffer(leftDelimiter);
  	      $._toStringVisiting.push(iterable);
  	      try {
  	        t1 = buffer;
  	        t1._contents = A.StringBuffer__writeAll(t1._contents, iterable, ", ");
  	      } finally {
  	        $._toStringVisiting.pop();
  	      }
  	      buffer._contents += rightDelimiter;
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _iterablePartsToStrings(iterable, parts) {
  	      var next, ultimateString, penultimateString, penultimate, ultimate, ultimate0, elision,
  	        it = iterable.get$iterator(iterable),
  	        $length = 0, count = 0;
  	      for (;;) {
  	        if (!($length < 80 || count < 3))
  	          break;
  	        if (!it.moveNext$0())
  	          return;
  	        next = A.S(it.get$current(it));
  	        parts.push(next);
  	        $length += next.length + 2;
  	        ++count;
  	      }
  	      if (!it.moveNext$0()) {
  	        if (count <= 5)
  	          return;
  	        ultimateString = parts.pop();
  	        penultimateString = parts.pop();
  	      } else {
  	        penultimate = it.get$current(it);
  	        ++count;
  	        if (!it.moveNext$0()) {
  	          if (count <= 4) {
  	            parts.push(A.S(penultimate));
  	            return;
  	          }
  	          ultimateString = A.S(penultimate);
  	          penultimateString = parts.pop();
  	          $length += ultimateString.length + 2;
  	        } else {
  	          ultimate = it.get$current(it);
  	          ++count;
  	          for (; it.moveNext$0(); penultimate = ultimate, ultimate = ultimate0) {
  	            ultimate0 = it.get$current(it);
  	            ++count;
  	            if (count > 100) {
  	              for (;;) {
  	                if (!($length > 75 && count > 3))
  	                  break;
  	                $length -= parts.pop().length + 2;
  	                --count;
  	              }
  	              parts.push("...");
  	              return;
  	            }
  	          }
  	          penultimateString = A.S(penultimate);
  	          ultimateString = A.S(ultimate);
  	          $length += ultimateString.length + penultimateString.length + 4;
  	        }
  	      }
  	      if (count > parts.length + 2) {
  	        $length += 5;
  	        elision = "...";
  	      } else
  	        elision = null;
  	      for (;;) {
  	        if (!($length > 80 && parts.length > 3))
  	          break;
  	        $length -= parts.pop().length + 2;
  	        if (elision == null) {
  	          $length += 5;
  	          elision = "...";
  	        }
  	      }
  	      if (elision != null)
  	        parts.push(elision);
  	      parts.push(penultimateString);
  	      parts.push(ultimateString);
  	    },
  	    Map_castFrom(source, $K, $V, $K2, $V2) {
  	      return new A.CastMap(source, $K._eval$1("@<0>")._bind$1($V)._bind$1($K2)._bind$1($V2)._eval$1("CastMap<1,2,3,4>"));
  	    },
  	    Object_hash(object1, object2, object3, object4) {
  	      var t1;
  	      if (B.C_SentinelValue === object3) {
  	        t1 = J.get$hashCode$(object1);
  	        object2 = J.get$hashCode$(object2);
  	        return A.SystemHash_finish(A.SystemHash_combine(A.SystemHash_combine($.$get$_hashSeed(), t1), object2));
  	      }
  	      if (B.C_SentinelValue === object4) {
  	        t1 = J.get$hashCode$(object1);
  	        object2 = J.get$hashCode$(object2);
  	        object3 = J.get$hashCode$(object3);
  	        return A.SystemHash_finish(A.SystemHash_combine(A.SystemHash_combine(A.SystemHash_combine($.$get$_hashSeed(), t1), object2), object3));
  	      }
  	      t1 = J.get$hashCode$(object1);
  	      object2 = J.get$hashCode$(object2);
  	      object3 = J.get$hashCode$(object3);
  	      object4 = J.get$hashCode$(object4);
  	      object4 = A.SystemHash_finish(A.SystemHash_combine(A.SystemHash_combine(A.SystemHash_combine(A.SystemHash_combine($.$get$_hashSeed(), t1), object2), object3), object4));
  	      return object4;
  	    },
  	    Object_hashAll(objects) {
  	      var t1, _i,
  	        hash = $.$get$_hashSeed();
  	      for (t1 = objects.length, _i = 0; _i < objects.length; objects.length === t1 || (0, A.throwConcurrentModificationError)(objects), ++_i)
  	        hash = A.SystemHash_combine(hash, J.get$hashCode$(objects[_i]));
  	      return A.SystemHash_finish(hash);
  	    },
  	    print(object) {
  	      var line = A.S(object),
  	        toZone = $.printToZone;
  	      if (toZone == null)
  	        A.printString(line);
  	      else
  	        toZone.call$1(line);
  	    },
  	    Set_Set$unmodifiable(elements, $E) {
  	      return new A.UnmodifiableSetView(A.LinkedHashSet_LinkedHashSet$of(elements, $E), $E._eval$1("UnmodifiableSetView<0>"));
  	    },
  	    Set_castFrom(source, newSet, $S, $T) {
  	      return new A.CastSet(source, newSet, $S._eval$1("@<0>")._bind$1($T)._eval$1("CastSet<1,2>"));
  	    },
  	    _combineSurrogatePair(start, end) {
  	      return 65536 + ((start & 1023) << 10) + (end & 1023);
  	    },
  	    Uri_Uri$dataFromString($content, encoding, mimeType) {
  	      var encodingName, t1,
  	        buffer = new A.StringBuffer(""),
  	        indices = A._setArrayType([-1], type$.JSArray_int);
  	      if (encoding == null)
  	        encodingName = null;
  	      else
  	        encodingName = "utf-8";
  	      if (encoding == null)
  	        encoding = B.C_AsciiCodec;
  	      A.UriData__writeUri(mimeType, encodingName, null, buffer, indices);
  	      indices.push(buffer._contents.length);
  	      buffer._contents += ",";
  	      A.UriData__uriEncodeBytes(256, encoding.encode$1($content), buffer);
  	      t1 = buffer._contents;
  	      return new A.UriData(t1.charCodeAt(0) == 0 ? t1 : t1, indices, null).get$uri();
  	    },
  	    Uri_parse(uri) {
  	      var delta, indices, schemeEnd, hostStart, portStart, pathStart, queryStart, fragmentStart, isSimple, scheme, t1, t2, schemeAuth, queryStart0, pathStart0, port, userInfoStart, userInfo, host, portNumber, path, query, _null = null,
  	        end = uri.length;
  	      if (end >= 5) {
  	        delta = ((uri.charCodeAt(4) ^ 58) * 3 | uri.charCodeAt(0) ^ 100 | uri.charCodeAt(1) ^ 97 | uri.charCodeAt(2) ^ 116 | uri.charCodeAt(3) ^ 97) >>> 0;
  	        if (delta === 0)
  	          return A.UriData__parse(end < end ? B.JSString_methods.substring$2(uri, 0, end) : uri, 5, _null).get$uri();
  	        else if (delta === 32)
  	          return A.UriData__parse(B.JSString_methods.substring$2(uri, 5, end), 0, _null).get$uri();
  	      }
  	      indices = A.List_List$filled(8, 0, false, type$.int);
  	      indices[0] = 0;
  	      indices[1] = -1;
  	      indices[2] = -1;
  	      indices[7] = -1;
  	      indices[3] = 0;
  	      indices[4] = 0;
  	      indices[5] = end;
  	      indices[6] = end;
  	      if (A._scan(uri, 0, end, 0, indices) >= 14)
  	        indices[7] = end;
  	      schemeEnd = indices[1];
  	      if (schemeEnd >= 0)
  	        if (A._scan(uri, 0, schemeEnd, 20, indices) === 20)
  	          indices[7] = schemeEnd;
  	      hostStart = indices[2] + 1;
  	      portStart = indices[3];
  	      pathStart = indices[4];
  	      queryStart = indices[5];
  	      fragmentStart = indices[6];
  	      if (fragmentStart < queryStart)
  	        queryStart = fragmentStart;
  	      if (pathStart < hostStart)
  	        pathStart = queryStart;
  	      else if (pathStart <= schemeEnd)
  	        pathStart = schemeEnd + 1;
  	      if (portStart < hostStart)
  	        portStart = pathStart;
  	      isSimple = indices[7] < 0;
  	      scheme = _null;
  	      if (isSimple) {
  	        isSimple = false;
  	        if (!(hostStart > schemeEnd + 3)) {
  	          t1 = portStart > 0;
  	          if (!(t1 && portStart + 1 === pathStart)) {
  	            if (!B.JSString_methods.startsWith$2(uri, "\\", pathStart))
  	              if (hostStart > 0)
  	                t2 = B.JSString_methods.startsWith$2(uri, "\\", hostStart - 1) || B.JSString_methods.startsWith$2(uri, "\\", hostStart - 2);
  	              else
  	                t2 = false;
  	            else
  	              t2 = true;
  	            if (!t2) {
  	              if (!(queryStart < end && queryStart === pathStart + 2 && B.JSString_methods.startsWith$2(uri, "..", pathStart)))
  	                t2 = queryStart > pathStart + 2 && B.JSString_methods.startsWith$2(uri, "/..", queryStart - 3);
  	              else
  	                t2 = true;
  	              if (!t2)
  	                if (schemeEnd === 4) {
  	                  if (B.JSString_methods.startsWith$2(uri, "file", 0)) {
  	                    if (hostStart <= 0) {
  	                      if (!B.JSString_methods.startsWith$2(uri, "/", pathStart)) {
  	                        schemeAuth = "file:///";
  	                        delta = 3;
  	                      } else {
  	                        schemeAuth = "file://";
  	                        delta = 2;
  	                      }
  	                      uri = schemeAuth + B.JSString_methods.substring$2(uri, pathStart, end);
  	                      queryStart += delta;
  	                      fragmentStart += delta;
  	                      end = uri.length;
  	                      hostStart = 7;
  	                      portStart = 7;
  	                      pathStart = 7;
  	                    } else if (pathStart === queryStart) {
  	                      ++fragmentStart;
  	                      queryStart0 = queryStart + 1;
  	                      uri = B.JSString_methods.replaceRange$3(uri, pathStart, queryStart, "/");
  	                      ++end;
  	                      queryStart = queryStart0;
  	                    }
  	                    scheme = "file";
  	                  } else if (B.JSString_methods.startsWith$2(uri, "http", 0)) {
  	                    if (t1 && portStart + 3 === pathStart && B.JSString_methods.startsWith$2(uri, "80", portStart + 1)) {
  	                      fragmentStart -= 3;
  	                      pathStart0 = pathStart - 3;
  	                      queryStart -= 3;
  	                      uri = B.JSString_methods.replaceRange$3(uri, portStart, pathStart, "");
  	                      end -= 3;
  	                      pathStart = pathStart0;
  	                    }
  	                    scheme = "http";
  	                  }
  	                } else if (schemeEnd === 5 && B.JSString_methods.startsWith$2(uri, "https", 0)) {
  	                  if (t1 && portStart + 4 === pathStart && B.JSString_methods.startsWith$2(uri, "443", portStart + 1)) {
  	                    fragmentStart -= 4;
  	                    pathStart0 = pathStart - 4;
  	                    queryStart -= 4;
  	                    uri = B.JSString_methods.replaceRange$3(uri, portStart, pathStart, "");
  	                    end -= 3;
  	                    pathStart = pathStart0;
  	                  }
  	                  scheme = "https";
  	                }
  	              isSimple = !t2;
  	            }
  	          }
  	        }
  	      }
  	      if (isSimple)
  	        return new A._SimpleUri(end < uri.length ? B.JSString_methods.substring$2(uri, 0, end) : uri, schemeEnd, hostStart, portStart, pathStart, queryStart, fragmentStart, scheme);
  	      if (scheme == null)
  	        if (schemeEnd > 0)
  	          scheme = A._Uri__makeScheme(uri, 0, schemeEnd);
  	        else {
  	          if (schemeEnd === 0)
  	            A._Uri__fail(uri, 0, "Invalid empty scheme");
  	          scheme = "";
  	        }
  	      port = _null;
  	      if (hostStart > 0) {
  	        userInfoStart = schemeEnd + 3;
  	        userInfo = userInfoStart < hostStart ? A._Uri__makeUserInfo(uri, userInfoStart, hostStart - 1) : "";
  	        host = A._Uri__makeHost(uri, hostStart, portStart, false);
  	        t1 = portStart + 1;
  	        if (t1 < pathStart) {
  	          portNumber = A.Primitives_parseInt(B.JSString_methods.substring$2(uri, t1, pathStart), _null);
  	          port = A._Uri__makePort(portNumber == null ? A.throwExpression(A.FormatException$("Invalid port", uri, t1)) : portNumber, scheme);
  	        }
  	      } else {
  	        host = _null;
  	        userInfo = "";
  	      }
  	      path = A._Uri__makePath(uri, pathStart, queryStart, _null, scheme, host != null);
  	      query = queryStart < fragmentStart ? A._Uri__makeQuery(uri, queryStart + 1, fragmentStart, _null) : _null;
  	      return A._Uri$_internal(scheme, userInfo, host, port, path, query, fragmentStart < end ? A._Uri__makeFragment(uri, fragmentStart + 1, end) : _null);
  	    },
  	    Uri_decodeComponent(encodedComponent) {
  	      return A._Uri__uriDecode(encodedComponent, 0, encodedComponent.length, B.C_Utf8Codec, false);
  	    },
  	    Uri__ipv4FormatError(msg, source, position) {
  	      throw A.wrapException(A.FormatException$("Illegal IPv4 address, " + msg, source, position));
  	    },
  	    Uri__parseIPv4Address(host, start, end, target, targetOffset) {
  	      var t1, octetStart, cursor, octetIndex, octetValue, char, digit, octetIndex0,
  	        _s17_ = "invalid character";
  	      for (t1 = target.$flags | 0, octetStart = start, cursor = octetStart, octetIndex = 0, octetValue = 0;;) {
  	        char = cursor >= end ? 0 : host.charCodeAt(cursor);
  	        digit = char ^ 48;
  	        if (digit <= 9) {
  	          if (octetValue !== 0 || cursor === octetStart) {
  	            octetValue = octetValue * 10 + digit;
  	            if (octetValue <= 255) {
  	              ++cursor;
  	              continue;
  	            }
  	            A.Uri__ipv4FormatError("each part must be in the range 0..255", host, octetStart);
  	          }
  	          A.Uri__ipv4FormatError("parts must not have leading zeros", host, octetStart);
  	        }
  	        if (cursor === octetStart) {
  	          if (cursor === end)
  	            break;
  	          A.Uri__ipv4FormatError(_s17_, host, cursor);
  	        }
  	        octetIndex0 = octetIndex + 1;
  	        t1 & 2 && A.throwUnsupportedOperation(target);
  	        target[targetOffset + octetIndex] = octetValue;
  	        if (char === 46) {
  	          if (octetIndex0 < 4) {
  	            ++cursor;
  	            octetIndex = octetIndex0;
  	            octetStart = cursor;
  	            octetValue = 0;
  	            continue;
  	          }
  	          break;
  	        }
  	        if (cursor === end) {
  	          if (octetIndex0 === 4)
  	            return;
  	          break;
  	        }
  	        A.Uri__ipv4FormatError(_s17_, host, cursor);
  	        octetIndex = octetIndex0;
  	      }
  	      A.Uri__ipv4FormatError("IPv4 address should contain exactly 4 parts", host, cursor);
  	    },
  	    Uri__validateIPvAddress(host, start, end) {
  	      var error;
  	      if (start === end)
  	        throw A.wrapException(A.FormatException$("Empty IP address", host, start));
  	      if (host.charCodeAt(start) === 118) {
  	        error = A.Uri__validateIPvFutureAddress(host, start, end);
  	        if (error != null)
  	          throw A.wrapException(error);
  	        return false;
  	      }
  	      A.Uri_parseIPv6Address(host, start, end);
  	      return true;
  	    },
  	    Uri__validateIPvFutureAddress(host, start, end) {
  	      var cursor, cursor0, char, ucChar,
  	        _s38_ = "Missing hex-digit in IPvFuture address";
  	      ++start;
  	      for (cursor = start;; cursor = cursor0) {
  	        if (cursor < end) {
  	          cursor0 = cursor + 1;
  	          char = host.charCodeAt(cursor);
  	          if ((char ^ 48) <= 9)
  	            continue;
  	          ucChar = char | 32;
  	          if (ucChar >= 97 && ucChar <= 102)
  	            continue;
  	          if (char === 46) {
  	            if (cursor0 - 1 === start)
  	              return new A.FormatException(_s38_, host, cursor0);
  	            cursor = cursor0;
  	            break;
  	          }
  	          return new A.FormatException("Unexpected character", host, cursor0 - 1);
  	        }
  	        if (cursor - 1 === start)
  	          return new A.FormatException(_s38_, host, cursor);
  	        return new A.FormatException("Missing '.' in IPvFuture address", host, cursor);
  	      }
  	      if (cursor === end)
  	        return new A.FormatException("Missing address in IPvFuture address, host, cursor", null, null);
  	      for (;;) {
  	        if ((string$.x00_____.charCodeAt(host.charCodeAt(cursor)) & 16) !== 0) {
  	          ++cursor;
  	          if (cursor < end)
  	            continue;
  	          return null;
  	        }
  	        return new A.FormatException("Invalid IPvFuture address character", host, cursor);
  	      }
  	    },
  	    Uri_parseIPv6Address(host, start, end) {
  	      var result, wildcardAt, partCount, cursor, partStart, hexValue, decValue, char, _0_0, decValue0, hexDigit, _1_0, t1, partCount0, partAfterWildcard, partsAfterWildcard, positionAfterWildcard, newPositionAfterWildcard,
  	        _s39_ = "an address must contain at most 8 parts",
  	        error = new A.Uri_parseIPv6Address_error(host);
  	      if (end - start < 2)
  	        error.call$2("address is too short", null);
  	      result = new Uint8Array(16);
  	      wildcardAt = -1;
  	      partCount = 0;
  	      if (host.charCodeAt(start) === 58)
  	        if (host.charCodeAt(start + 1) === 58) {
  	          cursor = start + 2;
  	          partStart = cursor;
  	          wildcardAt = 0;
  	          partCount = 1;
  	        } else {
  	          error.call$2("invalid start colon", start);
  	          cursor = start;
  	          partStart = cursor;
  	        }
  	      else {
  	        cursor = start;
  	        partStart = cursor;
  	      }
  	      for (hexValue = 0, decValue = true;;) {
  	        char = cursor >= end ? 0 : host.charCodeAt(cursor);
  	        $label0$0: {
  	          _0_0 = char ^ 48;
  	          decValue0 = false;
  	          if (_0_0 <= 9)
  	            hexDigit = _0_0;
  	          else {
  	            _1_0 = char | 32;
  	            if (_1_0 >= 97 && _1_0 <= 102)
  	              hexDigit = _1_0 - 87;
  	            else
  	              break $label0$0;
  	            decValue = decValue0;
  	          }
  	          if (cursor < partStart + 4) {
  	            hexValue = hexValue * 16 + hexDigit;
  	            ++cursor;
  	            continue;
  	          }
  	          error.call$2("an IPv6 part can contain a maximum of 4 hex digits", partStart);
  	        }
  	        if (cursor > partStart) {
  	          if (char === 46) {
  	            if (decValue) {
  	              if (partCount <= 6) {
  	                A.Uri__parseIPv4Address(host, partStart, end, result, partCount * 2);
  	                partCount += 2;
  	                cursor = end;
  	                break;
  	              }
  	              error.call$2(_s39_, partStart);
  	            }
  	            break;
  	          }
  	          t1 = partCount * 2;
  	          result[t1] = B.JSInt_methods._shrOtherPositive$1(hexValue, 8);
  	          result[t1 + 1] = hexValue & 255;
  	          ++partCount;
  	          if (char === 58) {
  	            if (partCount < 8) {
  	              ++cursor;
  	              partStart = cursor;
  	              hexValue = 0;
  	              decValue = true;
  	              continue;
  	            }
  	            error.call$2(_s39_, cursor);
  	          }
  	          break;
  	        }
  	        if (char === 58) {
  	          if (wildcardAt < 0) {
  	            partCount0 = partCount + 1;
  	            ++cursor;
  	            wildcardAt = partCount;
  	            partCount = partCount0;
  	            partStart = cursor;
  	            continue;
  	          }
  	          error.call$2("only one wildcard `::` is allowed", cursor);
  	        }
  	        if (wildcardAt !== partCount - 1)
  	          error.call$2("missing part", cursor);
  	        break;
  	      }
  	      if (cursor < end)
  	        error.call$2("invalid character", cursor);
  	      if (partCount < 8) {
  	        if (wildcardAt < 0)
  	          error.call$2("an address without a wildcard must contain exactly 8 parts", end);
  	        partAfterWildcard = wildcardAt + 1;
  	        partsAfterWildcard = partCount - partAfterWildcard;
  	        if (partsAfterWildcard > 0) {
  	          positionAfterWildcard = partAfterWildcard * 2;
  	          newPositionAfterWildcard = 16 - partsAfterWildcard * 2;
  	          B.NativeUint8List_methods.setRange$4(result, newPositionAfterWildcard, 16, result, positionAfterWildcard);
  	          B.NativeUint8List_methods.fillRange$3(result, positionAfterWildcard, newPositionAfterWildcard, 0);
  	        }
  	      }
  	      return result;
  	    },
  	    _Uri$_internal(scheme, _userInfo, _host, _port, path, _query, _fragment) {
  	      return new A._Uri(scheme, _userInfo, _host, _port, path, _query, _fragment);
  	    },
  	    _Uri__Uri(host, path, pathSegments, scheme) {
  	      var userInfo, query, fragment, port, isFile, t1, hasAuthority, t2, _null = null;
  	      scheme = scheme == null ? "" : A._Uri__makeScheme(scheme, 0, scheme.length);
  	      userInfo = A._Uri__makeUserInfo(_null, 0, 0);
  	      host = A._Uri__makeHost(host, 0, host == null ? 0 : host.length, false);
  	      query = A._Uri__makeQuery(_null, 0, 0, _null);
  	      fragment = A._Uri__makeFragment(_null, 0, 0);
  	      port = A._Uri__makePort(_null, scheme);
  	      isFile = scheme === "file";
  	      if (host == null)
  	        t1 = userInfo.length !== 0 || port != null || isFile;
  	      else
  	        t1 = false;
  	      if (t1)
  	        host = "";
  	      t1 = host == null;
  	      hasAuthority = !t1;
  	      path = A._Uri__makePath(path, 0, path == null ? 0 : path.length, pathSegments, scheme, hasAuthority);
  	      t2 = scheme.length === 0;
  	      if (t2 && t1 && !B.JSString_methods.startsWith$1(path, "/"))
  	        path = A._Uri__normalizeRelativePath(path, !t2 || hasAuthority);
  	      else
  	        path = A._Uri__removeDotSegments(path);
  	      return A._Uri$_internal(scheme, userInfo, t1 && B.JSString_methods.startsWith$1(path, "//") ? "" : host, port, path, query, fragment);
  	    },
  	    _Uri__defaultPort(scheme) {
  	      if (scheme === "http")
  	        return 80;
  	      if (scheme === "https")
  	        return 443;
  	      return 0;
  	    },
  	    _Uri__fail(uri, index, message) {
  	      throw A.wrapException(A.FormatException$(message, uri, index));
  	    },
  	    _Uri__Uri$file(path, windows) {
  	      return windows ? A._Uri__makeWindowsFileUrl(path, false) : A._Uri__makeFileUri(path, false);
  	    },
  	    _Uri__checkNonWindowsPathReservedCharacters(segments, argumentError) {
  	      var t1, _i, segment;
  	      for (t1 = segments.length, _i = 0; _i < t1; ++_i) {
  	        segment = segments[_i];
  	        if (A.stringContainsUnchecked(segment, "/", 0)) {
  	          t1 = A.UnsupportedError$("Illegal path character " + segment);
  	          throw A.wrapException(t1);
  	        }
  	      }
  	    },
  	    _Uri__checkWindowsPathReservedCharacters(segments, argumentError, firstSegment) {
  	      var t1, t2, t3, t4;
  	      for (t1 = A.SubListIterable$(segments, firstSegment, null, A._arrayInstanceType(segments)._precomputed1), t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListIterable.E>")), t2 = t2._eval$1("ListIterable.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        t4 = A.RegExp_RegExp('["*/:<>?\\\\|]', false);
  	        if (A.stringContainsUnchecked(t3, t4, 0))
  	          if (argumentError)
  	            throw A.wrapException(A.ArgumentError$("Illegal character in path", null));
  	          else
  	            throw A.wrapException(A.UnsupportedError$("Illegal character in path: " + t3));
  	      }
  	    },
  	    _Uri__checkWindowsDriveLetter(charCode, argumentError) {
  	      var t1,
  	        _s21_ = "Illegal drive letter ";
  	      if (!(65 <= charCode && charCode <= 90))
  	        t1 = 97 <= charCode && charCode <= 122;
  	      else
  	        t1 = true;
  	      if (t1)
  	        return;
  	      if (argumentError)
  	        throw A.wrapException(A.ArgumentError$(_s21_ + A.String_String$fromCharCode(charCode), null));
  	      else
  	        throw A.wrapException(A.UnsupportedError$(_s21_ + A.String_String$fromCharCode(charCode)));
  	    },
  	    _Uri__makeFileUri(path, slashTerminated) {
  	      var _null = null,
  	        segments = A._setArrayType(path.split("/"), type$.JSArray_String);
  	      if (B.JSString_methods.startsWith$1(path, "/"))
  	        return A._Uri__Uri(_null, _null, segments, "file");
  	      else
  	        return A._Uri__Uri(_null, _null, segments, _null);
  	    },
  	    _Uri__makeWindowsFileUrl(path, slashTerminated) {
  	      var t1, pathSegments, pathStart, hostPart, _s1_ = "\\", _null = null, _s4_ = "file";
  	      if (B.JSString_methods.startsWith$1(path, "\\\\?\\"))
  	        if (B.JSString_methods.startsWith$2(path, "UNC\\", 4))
  	          path = B.JSString_methods.replaceRange$3(path, 0, 7, _s1_);
  	        else {
  	          path = B.JSString_methods.substring$1(path, 4);
  	          if (path.length < 3 || path.charCodeAt(1) !== 58 || path.charCodeAt(2) !== 92)
  	            throw A.wrapException(A.ArgumentError$value(path, "path", "Windows paths with \\\\?\\ prefix must be absolute"));
  	        }
  	      else
  	        path = A.stringReplaceAllUnchecked(path, "/", _s1_);
  	      t1 = path.length;
  	      if (t1 > 1 && path.charCodeAt(1) === 58) {
  	        A._Uri__checkWindowsDriveLetter(path.charCodeAt(0), true);
  	        if (t1 === 2 || path.charCodeAt(2) !== 92)
  	          throw A.wrapException(A.ArgumentError$value(path, "path", "Windows paths with drive letter must be absolute"));
  	        pathSegments = A._setArrayType(path.split(_s1_), type$.JSArray_String);
  	        A._Uri__checkWindowsPathReservedCharacters(pathSegments, true, 1);
  	        return A._Uri__Uri(_null, _null, pathSegments, _s4_);
  	      }
  	      if (B.JSString_methods.startsWith$1(path, _s1_))
  	        if (B.JSString_methods.startsWith$2(path, _s1_, 1)) {
  	          pathStart = B.JSString_methods.indexOf$2(path, _s1_, 2);
  	          t1 = pathStart < 0;
  	          hostPart = t1 ? B.JSString_methods.substring$1(path, 2) : B.JSString_methods.substring$2(path, 2, pathStart);
  	          pathSegments = A._setArrayType((t1 ? "" : B.JSString_methods.substring$1(path, pathStart + 1)).split(_s1_), type$.JSArray_String);
  	          A._Uri__checkWindowsPathReservedCharacters(pathSegments, true, 0);
  	          return A._Uri__Uri(hostPart, _null, pathSegments, _s4_);
  	        } else {
  	          pathSegments = A._setArrayType(path.split(_s1_), type$.JSArray_String);
  	          A._Uri__checkWindowsPathReservedCharacters(pathSegments, true, 0);
  	          return A._Uri__Uri(_null, _null, pathSegments, _s4_);
  	        }
  	      else {
  	        pathSegments = A._setArrayType(path.split(_s1_), type$.JSArray_String);
  	        A._Uri__checkWindowsPathReservedCharacters(pathSegments, true, 0);
  	        return A._Uri__Uri(_null, _null, pathSegments, _null);
  	      }
  	    },
  	    _Uri__makePort(port, scheme) {
  	      if (port != null && port === A._Uri__defaultPort(scheme))
  	        return null;
  	      return port;
  	    },
  	    _Uri__makeHost(host, start, end, strictIPv6) {
  	      var index, t1, zoneID, index0, zoneIDstart, isIPv6, hostChars, i;
  	      if (host == null)
  	        return null;
  	      if (start === end)
  	        return "";
  	      if (host.charCodeAt(start) === 91) {
  	        index = end - 1;
  	        if (host.charCodeAt(index) !== 93)
  	          A._Uri__fail(host, start, "Missing end `]` to match `[` in host");
  	        t1 = start + 1;
  	        zoneID = "";
  	        if (host.charCodeAt(t1) !== 118) {
  	          index0 = A._Uri__checkZoneID(host, t1, index);
  	          if (index0 < index) {
  	            zoneIDstart = index0 + 1;
  	            zoneID = A._Uri__normalizeZoneID(host, B.JSString_methods.startsWith$2(host, "25", zoneIDstart) ? index0 + 3 : zoneIDstart, index, "%25");
  	          }
  	          index = index0;
  	        }
  	        isIPv6 = A.Uri__validateIPvAddress(host, t1, index);
  	        hostChars = B.JSString_methods.substring$2(host, t1, index);
  	        return "[" + (isIPv6 ? hostChars.toLowerCase() : hostChars) + zoneID + "]";
  	      }
  	      for (i = start; i < end; ++i)
  	        if (host.charCodeAt(i) === 58) {
  	          index = B.JSString_methods.indexOf$2(host, "%", start);
  	          index = index >= start && index < end ? index : end;
  	          if (index < end) {
  	            zoneIDstart = index + 1;
  	            zoneID = A._Uri__normalizeZoneID(host, B.JSString_methods.startsWith$2(host, "25", zoneIDstart) ? index + 3 : zoneIDstart, end, "%25");
  	          } else
  	            zoneID = "";
  	          A.Uri_parseIPv6Address(host, start, index);
  	          return "[" + B.JSString_methods.substring$2(host, start, index) + zoneID + "]";
  	        }
  	      return A._Uri__normalizeRegName(host, start, end);
  	    },
  	    _Uri__checkZoneID(host, start, end) {
  	      var index = B.JSString_methods.indexOf$2(host, "%", start);
  	      return index >= start && index < end ? index : end;
  	    },
  	    _Uri__normalizeZoneID(host, start, end, prefix) {
  	      var index, sectionStart, isNormalized, char, replacement, t1, t2, sourceLength, tail, slice,
  	        buffer = prefix !== "" ? new A.StringBuffer(prefix) : null;
  	      for (index = start, sectionStart = index, isNormalized = true; index < end;) {
  	        char = host.charCodeAt(index);
  	        if (char === 37) {
  	          replacement = A._Uri__normalizeEscape(host, index, true);
  	          t1 = replacement == null;
  	          if (t1 && isNormalized) {
  	            index += 3;
  	            continue;
  	          }
  	          if (buffer == null)
  	            buffer = new A.StringBuffer("");
  	          t2 = buffer._contents += B.JSString_methods.substring$2(host, sectionStart, index);
  	          if (t1)
  	            replacement = B.JSString_methods.substring$2(host, index, index + 3);
  	          else if (replacement === "%")
  	            A._Uri__fail(host, index, "ZoneID should not contain % anymore");
  	          buffer._contents = t2 + replacement;
  	          index += 3;
  	          sectionStart = index;
  	          isNormalized = true;
  	        } else if (char < 127 && (string$.x00_____.charCodeAt(char) & 1) !== 0) {
  	          if (isNormalized && 65 <= char && 90 >= char) {
  	            if (buffer == null)
  	              buffer = new A.StringBuffer("");
  	            if (sectionStart < index) {
  	              buffer._contents += B.JSString_methods.substring$2(host, sectionStart, index);
  	              sectionStart = index;
  	            }
  	            isNormalized = false;
  	          }
  	          ++index;
  	        } else {
  	          sourceLength = 1;
  	          if ((char & 64512) === 55296 && index + 1 < end) {
  	            tail = host.charCodeAt(index + 1);
  	            if ((tail & 64512) === 56320) {
  	              char = 65536 + ((char & 1023) << 10) + (tail & 1023);
  	              sourceLength = 2;
  	            }
  	          }
  	          slice = B.JSString_methods.substring$2(host, sectionStart, index);
  	          if (buffer == null) {
  	            buffer = new A.StringBuffer("");
  	            t1 = buffer;
  	          } else
  	            t1 = buffer;
  	          t1._contents += slice;
  	          t2 = A._Uri__escapeChar(char);
  	          t1._contents += t2;
  	          index += sourceLength;
  	          sectionStart = index;
  	        }
  	      }
  	      if (buffer == null)
  	        return B.JSString_methods.substring$2(host, start, end);
  	      if (sectionStart < end) {
  	        slice = B.JSString_methods.substring$2(host, sectionStart, end);
  	        buffer._contents += slice;
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _Uri__normalizeRegName(host, start, end) {
  	      var index, sectionStart, buffer, isNormalized, char, replacement, t1, slice, t2, sourceLength, tail,
  	        _s128_ = string$.x00_____;
  	      for (index = start, sectionStart = index, buffer = null, isNormalized = true; index < end;) {
  	        char = host.charCodeAt(index);
  	        if (char === 37) {
  	          replacement = A._Uri__normalizeEscape(host, index, true);
  	          t1 = replacement == null;
  	          if (t1 && isNormalized) {
  	            index += 3;
  	            continue;
  	          }
  	          if (buffer == null)
  	            buffer = new A.StringBuffer("");
  	          slice = B.JSString_methods.substring$2(host, sectionStart, index);
  	          if (!isNormalized)
  	            slice = slice.toLowerCase();
  	          t2 = buffer._contents += slice;
  	          sourceLength = 3;
  	          if (t1)
  	            replacement = B.JSString_methods.substring$2(host, index, index + 3);
  	          else if (replacement === "%") {
  	            replacement = "%25";
  	            sourceLength = 1;
  	          }
  	          buffer._contents = t2 + replacement;
  	          index += sourceLength;
  	          sectionStart = index;
  	          isNormalized = true;
  	        } else if (char < 127 && (_s128_.charCodeAt(char) & 32) !== 0) {
  	          if (isNormalized && 65 <= char && 90 >= char) {
  	            if (buffer == null)
  	              buffer = new A.StringBuffer("");
  	            if (sectionStart < index) {
  	              buffer._contents += B.JSString_methods.substring$2(host, sectionStart, index);
  	              sectionStart = index;
  	            }
  	            isNormalized = false;
  	          }
  	          ++index;
  	        } else if (char <= 93 && (_s128_.charCodeAt(char) & 1024) !== 0)
  	          A._Uri__fail(host, index, "Invalid character");
  	        else {
  	          sourceLength = 1;
  	          if ((char & 64512) === 55296 && index + 1 < end) {
  	            tail = host.charCodeAt(index + 1);
  	            if ((tail & 64512) === 56320) {
  	              char = 65536 + ((char & 1023) << 10) + (tail & 1023);
  	              sourceLength = 2;
  	            }
  	          }
  	          slice = B.JSString_methods.substring$2(host, sectionStart, index);
  	          if (!isNormalized)
  	            slice = slice.toLowerCase();
  	          if (buffer == null) {
  	            buffer = new A.StringBuffer("");
  	            t1 = buffer;
  	          } else
  	            t1 = buffer;
  	          t1._contents += slice;
  	          t2 = A._Uri__escapeChar(char);
  	          t1._contents += t2;
  	          index += sourceLength;
  	          sectionStart = index;
  	        }
  	      }
  	      if (buffer == null)
  	        return B.JSString_methods.substring$2(host, start, end);
  	      if (sectionStart < end) {
  	        slice = B.JSString_methods.substring$2(host, sectionStart, end);
  	        if (!isNormalized)
  	          slice = slice.toLowerCase();
  	        buffer._contents += slice;
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _Uri__makeScheme(scheme, start, end) {
  	      var i, containsUpperCase, codeUnit;
  	      if (start === end)
  	        return "";
  	      if (!A._Uri__isAlphabeticCharacter(scheme.charCodeAt(start)))
  	        A._Uri__fail(scheme, start, "Scheme not starting with alphabetic character");
  	      for (i = start, containsUpperCase = false; i < end; ++i) {
  	        codeUnit = scheme.charCodeAt(i);
  	        if (!(codeUnit < 128 && (string$.x00_____.charCodeAt(codeUnit) & 8) !== 0))
  	          A._Uri__fail(scheme, i, "Illegal scheme character");
  	        if (65 <= codeUnit && codeUnit <= 90)
  	          containsUpperCase = true;
  	      }
  	      scheme = B.JSString_methods.substring$2(scheme, start, end);
  	      return A._Uri__canonicalizeScheme(containsUpperCase ? scheme.toLowerCase() : scheme);
  	    },
  	    _Uri__canonicalizeScheme(scheme) {
  	      if (scheme === "http")
  	        return "http";
  	      if (scheme === "file")
  	        return "file";
  	      if (scheme === "https")
  	        return "https";
  	      if (scheme === "package")
  	        return "package";
  	      return scheme;
  	    },
  	    _Uri__makeUserInfo(userInfo, start, end) {
  	      if (userInfo == null)
  	        return "";
  	      return A._Uri__normalizeOrSubstring(userInfo, start, end, 16, false, false);
  	    },
  	    _Uri__makePath(path, start, end, pathSegments, scheme, hasAuthority) {
  	      var result,
  	        isFile = scheme === "file",
  	        ensureLeadingSlash = isFile || hasAuthority;
  	      if (path == null) {
  	        if (pathSegments == null)
  	          return isFile ? "/" : "";
  	        result = new A.MappedListIterable(pathSegments, new A._Uri__makePath_closure(), A._arrayInstanceType(pathSegments)._eval$1("MappedListIterable<1,String>")).join$1(0, "/");
  	      } else if (pathSegments != null)
  	        throw A.wrapException(A.ArgumentError$("Both path and pathSegments specified", null));
  	      else
  	        result = A._Uri__normalizeOrSubstring(path, start, end, 128, true, true);
  	      if (result.length === 0) {
  	        if (isFile)
  	          return "/";
  	      } else if (ensureLeadingSlash && !B.JSString_methods.startsWith$1(result, "/"))
  	        result = "/" + result;
  	      return A._Uri__normalizePath(result, scheme, hasAuthority);
  	    },
  	    _Uri__normalizePath(path, scheme, hasAuthority) {
  	      var t1 = scheme.length === 0;
  	      if (t1 && !hasAuthority && !B.JSString_methods.startsWith$1(path, "/") && !B.JSString_methods.startsWith$1(path, "\\"))
  	        return A._Uri__normalizeRelativePath(path, !t1 || hasAuthority);
  	      return A._Uri__removeDotSegments(path);
  	    },
  	    _Uri__makeQuery(query, start, end, queryParameters) {
  	      if (query != null)
  	        return A._Uri__normalizeOrSubstring(query, start, end, 256, true, false);
  	      return null;
  	    },
  	    _Uri__makeFragment(fragment, start, end) {
  	      if (fragment == null)
  	        return null;
  	      return A._Uri__normalizeOrSubstring(fragment, start, end, 256, true, false);
  	    },
  	    _Uri__normalizeEscape(source, index, lowerCase) {
  	      var firstDigit, secondDigit, firstDigitValue, secondDigitValue, value,
  	        t1 = index + 2;
  	      if (t1 >= source.length)
  	        return "%";
  	      firstDigit = source.charCodeAt(index + 1);
  	      secondDigit = source.charCodeAt(t1);
  	      firstDigitValue = A.hexDigitValue(firstDigit);
  	      secondDigitValue = A.hexDigitValue(secondDigit);
  	      if (firstDigitValue < 0 || secondDigitValue < 0)
  	        return "%";
  	      value = firstDigitValue * 16 + secondDigitValue;
  	      if (value < 127 && (string$.x00_____.charCodeAt(value) & 1) !== 0)
  	        return A.Primitives_stringFromCharCode(lowerCase && 65 <= value && 90 >= value ? (value | 32) >>> 0 : value);
  	      if (firstDigit >= 97 || secondDigit >= 97)
  	        return B.JSString_methods.substring$2(source, index, index + 3).toUpperCase();
  	      return null;
  	    },
  	    _Uri__escapeChar(char) {
  	      var codeUnits, flag, encodedBytes, index, byte,
  	        _s16_ = "0123456789ABCDEF";
  	      if (char <= 127) {
  	        codeUnits = new Uint8Array(3);
  	        codeUnits[0] = 37;
  	        codeUnits[1] = _s16_.charCodeAt(char >>> 4);
  	        codeUnits[2] = _s16_.charCodeAt(char & 15);
  	      } else {
  	        if (char > 2047)
  	          if (char > 65535) {
  	            flag = 240;
  	            encodedBytes = 4;
  	          } else {
  	            flag = 224;
  	            encodedBytes = 3;
  	          }
  	        else {
  	          flag = 192;
  	          encodedBytes = 2;
  	        }
  	        codeUnits = new Uint8Array(3 * encodedBytes);
  	        for (index = 0; --encodedBytes, encodedBytes >= 0; flag = 128) {
  	          byte = B.JSInt_methods._shrReceiverPositive$1(char, 6 * encodedBytes) & 63 | flag;
  	          codeUnits[index] = 37;
  	          codeUnits[index + 1] = _s16_.charCodeAt(byte >>> 4);
  	          codeUnits[index + 2] = _s16_.charCodeAt(byte & 15);
  	          index += 3;
  	        }
  	      }
  	      return A.String_String$fromCharCodes(codeUnits, 0, null);
  	    },
  	    _Uri__normalizeOrSubstring(component, start, end, charMask, escapeDelimiters, replaceBackslash) {
  	      var t1 = A._Uri__normalize(component, start, end, charMask, escapeDelimiters, replaceBackslash);
  	      return t1 == null ? B.JSString_methods.substring$2(component, start, end) : t1;
  	    },
  	    _Uri__normalize(component, start, end, charMask, escapeDelimiters, replaceBackslash) {
  	      var t1, index, sectionStart, buffer, char, sourceLength, replacement, t2, tail, _null = null,
  	        _s128_ = string$.x00_____;
  	      for (t1 = !escapeDelimiters, index = start, sectionStart = index, buffer = _null; index < end;) {
  	        char = component.charCodeAt(index);
  	        if (char < 127 && (_s128_.charCodeAt(char) & charMask) !== 0)
  	          ++index;
  	        else {
  	          sourceLength = 1;
  	          if (char === 37) {
  	            replacement = A._Uri__normalizeEscape(component, index, false);
  	            if (replacement == null) {
  	              index += 3;
  	              continue;
  	            }
  	            if ("%" === replacement)
  	              replacement = "%25";
  	            else
  	              sourceLength = 3;
  	          } else if (char === 92 && replaceBackslash)
  	            replacement = "/";
  	          else if (t1 && char <= 93 && (_s128_.charCodeAt(char) & 1024) !== 0) {
  	            A._Uri__fail(component, index, "Invalid character");
  	            sourceLength = _null;
  	            replacement = sourceLength;
  	          } else {
  	            if ((char & 64512) === 55296) {
  	              t2 = index + 1;
  	              if (t2 < end) {
  	                tail = component.charCodeAt(t2);
  	                if ((tail & 64512) === 56320) {
  	                  char = 65536 + ((char & 1023) << 10) + (tail & 1023);
  	                  sourceLength = 2;
  	                }
  	              }
  	            }
  	            replacement = A._Uri__escapeChar(char);
  	          }
  	          if (buffer == null) {
  	            buffer = new A.StringBuffer("");
  	            t2 = buffer;
  	          } else
  	            t2 = buffer;
  	          t2._contents = (t2._contents += B.JSString_methods.substring$2(component, sectionStart, index)) + replacement;
  	          index += sourceLength;
  	          sectionStart = index;
  	        }
  	      }
  	      if (buffer == null)
  	        return _null;
  	      if (sectionStart < end) {
  	        t1 = B.JSString_methods.substring$2(component, sectionStart, end);
  	        buffer._contents += t1;
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _Uri__mayContainDotSegments(path) {
  	      if (B.JSString_methods.startsWith$1(path, "."))
  	        return true;
  	      return B.JSString_methods.indexOf$1(path, "/.") !== -1;
  	    },
  	    _Uri__removeDotSegments(path) {
  	      var output, t1, t2, appendSlash, _i, segment;
  	      if (!A._Uri__mayContainDotSegments(path))
  	        return path;
  	      output = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = path.split("/"), t2 = t1.length, appendSlash = false, _i = 0; _i < t2; ++_i) {
  	        segment = t1[_i];
  	        if (segment === "..") {
  	          if (output.length !== 0) {
  	            output.pop();
  	            if (output.length === 0)
  	              output.push("");
  	          }
  	          appendSlash = true;
  	        } else {
  	          appendSlash = "." === segment;
  	          if (!appendSlash)
  	            output.push(segment);
  	        }
  	      }
  	      if (appendSlash)
  	        output.push("");
  	      return B.JSArray_methods.join$1(output, "/");
  	    },
  	    _Uri__normalizeRelativePath(path, allowScheme) {
  	      var output, t1, t2, appendSlash, _i, segment;
  	      if (!A._Uri__mayContainDotSegments(path))
  	        return !allowScheme ? A._Uri__escapeScheme(path) : path;
  	      output = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = path.split("/"), t2 = t1.length, appendSlash = false, _i = 0; _i < t2; ++_i) {
  	        segment = t1[_i];
  	        if (".." === segment) {
  	          if (output.length !== 0 && B.JSArray_methods.get$last(output) !== "..")
  	            output.pop();
  	          else
  	            output.push("..");
  	          appendSlash = true;
  	        } else {
  	          appendSlash = "." === segment;
  	          if (!appendSlash)
  	            output.push(segment.length === 0 && output.length === 0 ? "./" : segment);
  	        }
  	      }
  	      if (output.length === 0)
  	        return "./";
  	      if (appendSlash)
  	        output.push("");
  	      if (!allowScheme)
  	        output[0] = A._Uri__escapeScheme(output[0]);
  	      return B.JSArray_methods.join$1(output, "/");
  	    },
  	    _Uri__escapeScheme(path) {
  	      var i, char,
  	        t1 = path.length;
  	      if (t1 >= 2 && A._Uri__isAlphabeticCharacter(path.charCodeAt(0)))
  	        for (i = 1; i < t1; ++i) {
  	          char = path.charCodeAt(i);
  	          if (char === 58)
  	            return B.JSString_methods.substring$2(path, 0, i) + "%3A" + B.JSString_methods.substring$1(path, i + 1);
  	          if (char > 127 || (string$.x00_____.charCodeAt(char) & 8) === 0)
  	            break;
  	        }
  	      return path;
  	    },
  	    _Uri__packageNameEnd(uri, path) {
  	      if (uri.isScheme$1("package") && uri._host == null)
  	        return A._skipPackageNameChars(path, 0, path.length);
  	      return -1;
  	    },
  	    _Uri__toWindowsFilePath(uri) {
  	      var t2, hasDriveLetter, host,
  	        segments = uri.get$pathSegments(),
  	        t1 = segments.length;
  	      if (t1 > 0) {
  	        t2 = segments[0];
  	        hasDriveLetter = t2.length === 2 && t2.charCodeAt(1) === 58;
  	      } else
  	        hasDriveLetter = false;
  	      if (hasDriveLetter) {
  	        A._Uri__checkWindowsDriveLetter(segments[0].charCodeAt(0), false);
  	        A._Uri__checkWindowsPathReservedCharacters(segments, false, 1);
  	      } else
  	        A._Uri__checkWindowsPathReservedCharacters(segments, false, 0);
  	      t2 = uri.get$hasAbsolutePath() && !hasDriveLetter ? "\\" : "";
  	      if (uri.get$hasAuthority()) {
  	        host = uri.get$host();
  	        if (host.length !== 0)
  	          t2 = t2 + "\\" + host + "\\";
  	      }
  	      t2 = A.StringBuffer__writeAll(t2, segments, "\\");
  	      t1 = hasDriveLetter && t1 === 1 ? t2 + "\\" : t2;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _Uri__hexCharPairToByte(s, pos) {
  	      var byte, i, charCode;
  	      for (byte = 0, i = 0; i < 2; ++i) {
  	        charCode = s.charCodeAt(pos + i);
  	        if (48 <= charCode && charCode <= 57)
  	          byte = byte * 16 + charCode - 48;
  	        else {
  	          charCode |= 32;
  	          if (97 <= charCode && charCode <= 102)
  	            byte = byte * 16 + charCode - 87;
  	          else
  	            throw A.wrapException(A.ArgumentError$("Invalid URL encoding", null));
  	        }
  	      }
  	      return byte;
  	    },
  	    _Uri__uriDecode(text, start, end, encoding, plusToSpace) {
  	      var simple, codeUnit, t1, bytes,
  	        i = start;
  	      for (;;) {
  	        if (!(i < end)) {
  	          simple = true;
  	          break;
  	        }
  	        codeUnit = text.charCodeAt(i);
  	        if (codeUnit <= 127)
  	          t1 = codeUnit === 37;
  	        else
  	          t1 = true;
  	        if (t1) {
  	          simple = false;
  	          break;
  	        }
  	        ++i;
  	      }
  	      if (simple)
  	        if (B.C_Utf8Codec === encoding)
  	          return B.JSString_methods.substring$2(text, start, end);
  	        else
  	          bytes = new A.CodeUnits(B.JSString_methods.substring$2(text, start, end));
  	      else {
  	        bytes = A._setArrayType([], type$.JSArray_int);
  	        for (t1 = text.length, i = start; i < end; ++i) {
  	          codeUnit = text.charCodeAt(i);
  	          if (codeUnit > 127)
  	            throw A.wrapException(A.ArgumentError$("Illegal percent encoding in URI", null));
  	          if (codeUnit === 37) {
  	            if (i + 3 > t1)
  	              throw A.wrapException(A.ArgumentError$("Truncated URI", null));
  	            bytes.push(A._Uri__hexCharPairToByte(text, i + 1));
  	            i += 2;
  	          } else
  	            bytes.push(codeUnit);
  	        }
  	      }
  	      return B.Utf8Decoder_false.convert$1(bytes);
  	    },
  	    _Uri__isAlphabeticCharacter(codeUnit) {
  	      var lowerCase = codeUnit | 32;
  	      return 97 <= lowerCase && lowerCase <= 122;
  	    },
  	    UriData__writeUri(mimeType, charsetName, parameters, buffer, indices) {
  	      var t1, slashIndex;
  	      if (mimeType != null)
  	        t1 = 10 === mimeType.length && A._caseInsensitiveCompareStart("text/plain", mimeType, 0) >= 0;
  	      else
  	        t1 = true;
  	      if (t1)
  	        mimeType = "";
  	      if (mimeType.length === 0 || mimeType === "application/octet-stream")
  	        t1 = buffer._contents += mimeType;
  	      else {
  	        slashIndex = A.UriData__validateMimeType(mimeType);
  	        if (slashIndex < 0)
  	          throw A.wrapException(A.ArgumentError$value(mimeType, "mimeType", "Invalid MIME type"));
  	        t1 = A._Uri__uriEncode(512, B.JSString_methods.substring$2(mimeType, 0, slashIndex), B.C_Utf8Codec, false);
  	        buffer._contents = (buffer._contents += t1) + "/";
  	        t1 = A._Uri__uriEncode(512, B.JSString_methods.substring$1(mimeType, slashIndex + 1), B.C_Utf8Codec, false);
  	        t1 = buffer._contents += t1;
  	      }
  	      if (charsetName != null) {
  	        indices.push(t1.length);
  	        indices.push(buffer._contents.length + 8);
  	        buffer._contents += ";charset=";
  	        t1 = A._Uri__uriEncode(512, charsetName, B.C_Utf8Codec, false);
  	        buffer._contents += t1;
  	      }
  	    },
  	    UriData__validateMimeType(mimeType) {
  	      var t1, slashIndex, i;
  	      for (t1 = mimeType.length, slashIndex = -1, i = 0; i < t1; ++i) {
  	        if (mimeType.charCodeAt(i) !== 47)
  	          continue;
  	        if (slashIndex < 0) {
  	          slashIndex = i;
  	          continue;
  	        }
  	        return -1;
  	      }
  	      return slashIndex;
  	    },
  	    UriData__parse(text, start, sourceUri) {
  	      var t1, i, slashIndex, char, equalsIndex, lastSeparator, t2, data,
  	        _s17_ = "Invalid MIME type",
  	        indices = A._setArrayType([start - 1], type$.JSArray_int);
  	      for (t1 = text.length, i = start, slashIndex = -1, char = null; i < t1; ++i) {
  	        char = text.charCodeAt(i);
  	        if (char === 44 || char === 59)
  	          break;
  	        if (char === 47) {
  	          if (slashIndex < 0) {
  	            slashIndex = i;
  	            continue;
  	          }
  	          throw A.wrapException(A.FormatException$(_s17_, text, i));
  	        }
  	      }
  	      if (slashIndex < 0 && i > start)
  	        throw A.wrapException(A.FormatException$(_s17_, text, i));
  	      while (char !== 44) {
  	        indices.push(i);
  	        ++i;
  	        for (equalsIndex = -1; i < t1; ++i) {
  	          char = text.charCodeAt(i);
  	          if (char === 61) {
  	            if (equalsIndex < 0)
  	              equalsIndex = i;
  	          } else if (char === 59 || char === 44)
  	            break;
  	        }
  	        if (equalsIndex >= 0)
  	          indices.push(equalsIndex);
  	        else {
  	          lastSeparator = B.JSArray_methods.get$last(indices);
  	          if (char !== 44 || i !== lastSeparator + 7 || !B.JSString_methods.startsWith$2(text, "base64", lastSeparator + 1))
  	            throw A.wrapException(A.FormatException$("Expecting '='", text, i));
  	          break;
  	        }
  	      }
  	      indices.push(i);
  	      t2 = i + 1;
  	      if ((indices.length & 1) === 1)
  	        text = B.C_Base64Codec.normalize$3(text, t2, t1);
  	      else {
  	        data = A._Uri__normalize(text, t2, t1, 256, true, false);
  	        if (data != null)
  	          text = B.JSString_methods.replaceRange$3(text, t2, t1, data);
  	      }
  	      return new A.UriData(text, indices, sourceUri);
  	    },
  	    UriData__uriEncodeBytes(canonicalMask, bytes, buffer) {
  	      var t1, byteOr, i, byte, t2,
  	        _s16_ = "0123456789ABCDEF";
  	      for (t1 = bytes.length, byteOr = 0, i = 0; i < t1; ++i) {
  	        byte = bytes[i];
  	        byteOr |= byte;
  	        if (byte < 128 && (string$.x00_____.charCodeAt(byte) & canonicalMask) !== 0) {
  	          t2 = A.Primitives_stringFromCharCode(byte);
  	          buffer._contents += t2;
  	        } else {
  	          t2 = A.Primitives_stringFromCharCode(37);
  	          buffer._contents += t2;
  	          t2 = A.Primitives_stringFromCharCode(_s16_.charCodeAt(byte >>> 4));
  	          buffer._contents += t2;
  	          t2 = A.Primitives_stringFromCharCode(_s16_.charCodeAt(byte & 15));
  	          buffer._contents += t2;
  	        }
  	      }
  	      if ((byteOr & 4294967040) !== 0)
  	        for (i = 0; i < t1; ++i) {
  	          byte = bytes[i];
  	          if (byte > 255)
  	            throw A.wrapException(A.ArgumentError$value(byte, "non-byte value", null));
  	        }
  	    },
  	    _scan(uri, start, end, state, indices) {
  	      var i, char, transition;
  	      for (i = start; i < end; ++i) {
  	        char = uri.charCodeAt(i) ^ 96;
  	        if (char > 95)
  	          char = 31;
  	        transition = '\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe1\xe1\x01\xe1\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe3\xe1\xe1\x01\xe1\x01\xe1\xcd\x01\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x0e\x03\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"\x01\xe1\x01\xe1\xac\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe1\xe1\x01\xe1\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xea\xe1\xe1\x01\xe1\x01\xe1\xcd\x01\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\n\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"\x01\xe1\x01\xe1\xac\xeb\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\xeb\xeb\xeb\x8b\xeb\xeb\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\xeb\x83\xeb\xeb\x8b\xeb\x8b\xeb\xcd\x8b\xeb\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x92\x83\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\x8b\xeb\x8b\xeb\x8b\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xebD\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\x12D\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xe5\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\xe5\xe5\xe5\x05\xe5D\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe8\x8a\xe5\xe5\x05\xe5\x05\xe5\xcd\x05\xe5\x05\x05\x05\x05\x05\x05\x05\x05\x05\x8a\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05f\x05\xe5\x05\xe5\xac\xe5\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05\xe5\xe5\xe5\x05\xe5D\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\xe5\x8a\xe5\xe5\x05\xe5\x05\xe5\xcd\x05\xe5\x05\x05\x05\x05\x05\x05\x05\x05\x05\x8a\x05\x05\x05\x05\x05\x05\x05\x05\x05\x05f\x05\xe5\x05\xe5\xac\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7D\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\x8a\xe7\xe7\xe7\xe7\xe7\xe7\xcd\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\x8a\xe7\x07\x07\x07\x07\x07\x07\x07\x07\x07\xe7\xe7\xe7\xe7\xe7\xac\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7D\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\x8a\xe7\xe7\xe7\xe7\xe7\xe7\xcd\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\xe7\x8a\x07\x07\x07\x07\x07\x07\x07\x07\x07\x07\xe7\xe7\xe7\xe7\xe7\xac\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\x05\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\x10\xea\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\x12\n\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\v\n\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xec\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\xec\xec\xec\f\xec\xec\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\f\xec\xec\xec\xec\f\xec\f\xec\xcd\f\xec\f\f\f\f\f\f\f\f\f\xec\f\f\f\f\f\f\f\f\f\f\xec\f\xec\f\xec\f\xed\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\xed\xed\xed\r\xed\xed\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\r\xed\xed\xed\xed\r\xed\r\xed\xed\r\xed\r\r\r\r\r\r\r\r\r\xed\r\r\r\r\r\r\r\r\r\r\xed\r\xed\r\xed\r\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe1\xe1\x01\xe1\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xea\xe1\xe1\x01\xe1\x01\xe1\xcd\x01\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x0f\xea\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"\x01\xe1\x01\xe1\xac\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe1\xe1\x01\xe1\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\xe1\xe9\xe1\xe1\x01\xe1\x01\xe1\xcd\x01\xe1\x01\x01\x01\x01\x01\x01\x01\x01\x01\t\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"\x01\xe1\x01\xe1\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\x11\xea\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xe9\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\v\t\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\x13\xea\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xeb\xeb\v\xeb\xeb\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\v\xeb\xea\xeb\xeb\v\xeb\v\xeb\xcd\v\xeb\v\v\v\v\v\v\v\v\v\xea\v\v\v\v\v\v\v\v\v\v\xeb\v\xeb\v\xeb\xac\xf5\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\xf5\x15\xf5\x15\x15\xf5\x15\x15\x15\x15\x15\x15\x15\x15\x15\x15\xf5\xf5\xf5\xf5\xf5\xf5'.charCodeAt(state * 96 + char);
  	        state = transition & 31;
  	        indices[transition >>> 5] = i;
  	      }
  	      return state;
  	    },
  	    _SimpleUri__packageNameEnd(uri) {
  	      if (uri._schemeEnd === 7 && B.JSString_methods.startsWith$1(uri._uri, "package") && uri._hostStart <= 0)
  	        return A._skipPackageNameChars(uri._uri, uri._pathStart, uri._queryStart);
  	      return -1;
  	    },
  	    _skipPackageNameChars(source, start, end) {
  	      var i, dots, char;
  	      for (i = start, dots = 0; i < end; ++i) {
  	        char = source.charCodeAt(i);
  	        if (char === 47)
  	          return dots !== 0 ? i : -1;
  	        if (char === 37 || char === 58)
  	          return -1;
  	        dots |= char ^ 46;
  	      }
  	      return -1;
  	    },
  	    _caseInsensitiveCompareStart(prefix, string, start) {
  	      var t1, result, i, stringChar, delta, lowerChar;
  	      for (t1 = prefix.length, result = 0, i = 0; i < t1; ++i) {
  	        stringChar = string.charCodeAt(start + i);
  	        delta = prefix.charCodeAt(i) ^ stringChar;
  	        if (delta !== 0) {
  	          if (delta === 32) {
  	            lowerChar = stringChar | delta;
  	            if (97 <= lowerChar && lowerChar <= 122) {
  	              result = 32;
  	              continue;
  	            }
  	          }
  	          return -1;
  	        }
  	      }
  	      return result;
  	    },
  	    NoSuchMethodError_toString_closure: function NoSuchMethodError_toString_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.sb = t1;
  	    },
  	    DateTime: function DateTime(t0, t1, t2) {
  	      this._value = t0;
  	      this._microsecond = t1;
  	      this.isUtc = t2;
  	    },
  	    Duration: function Duration(t0) {
  	      this._duration = t0;
  	    },
  	    _Enum: function _Enum() {
  	    },
  	    Error: function Error() {
  	    },
  	    AssertionError: function AssertionError(t0) {
  	      this.message = t0;
  	    },
  	    TypeError: function TypeError() {
  	    },
  	    ArgumentError: function ArgumentError(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._hasValue = t0;
  	      _.invalidValue = t1;
  	      _.name = t2;
  	      _.message = t3;
  	    },
  	    RangeError: function RangeError(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.start = t0;
  	      _.end = t1;
  	      _._hasValue = t2;
  	      _.invalidValue = t3;
  	      _.name = t4;
  	      _.message = t5;
  	    },
  	    IndexError: function IndexError(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.length = t0;
  	      _._hasValue = t1;
  	      _.invalidValue = t2;
  	      _.name = t3;
  	      _.message = t4;
  	    },
  	    NoSuchMethodError: function NoSuchMethodError(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._core$_receiver = t0;
  	      _._memberName = t1;
  	      _._core$_arguments = t2;
  	      _._namedArguments = t3;
  	    },
  	    UnsupportedError: function UnsupportedError(t0) {
  	      this.message = t0;
  	    },
  	    UnimplementedError: function UnimplementedError(t0) {
  	      this.message = t0;
  	    },
  	    StateError: function StateError(t0) {
  	      this.message = t0;
  	    },
  	    ConcurrentModificationError: function ConcurrentModificationError(t0) {
  	      this.modifiedObject = t0;
  	    },
  	    OutOfMemoryError: function OutOfMemoryError() {
  	    },
  	    StackOverflowError: function StackOverflowError() {
  	    },
  	    _Exception: function _Exception(t0) {
  	      this.message = t0;
  	    },
  	    FormatException: function FormatException(t0, t1, t2) {
  	      this.message = t0;
  	      this.source = t1;
  	      this.offset = t2;
  	    },
  	    Iterable: function Iterable() {
  	    },
  	    _GeneratorIterable: function _GeneratorIterable(t0, t1, t2) {
  	      this.length = t0;
  	      this._generator = t1;
  	      this.$ti = t2;
  	    },
  	    MapEntry: function MapEntry(t0, t1, t2) {
  	      this.key = t0;
  	      this.value = t1;
  	      this.$ti = t2;
  	    },
  	    Null: function Null() {
  	    },
  	    Object: function Object() {
  	    },
  	    _StringStackTrace: function _StringStackTrace(t0) {
  	      this._stackTrace = t0;
  	    },
  	    Runes: function Runes(t0) {
  	      this.string = t0;
  	    },
  	    RuneIterator: function RuneIterator(t0) {
  	      var _ = this;
  	      _.string = t0;
  	      _._nextPosition = _._position = 0;
  	      _._currentCodePoint = -1;
  	    },
  	    StringBuffer: function StringBuffer(t0) {
  	      this._contents = t0;
  	    },
  	    Uri_parseIPv6Address_error: function Uri_parseIPv6Address_error(t0) {
  	      this.host = t0;
  	    },
  	    _Uri: function _Uri(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.scheme = t0;
  	      _._userInfo = t1;
  	      _._host = t2;
  	      _._port = t3;
  	      _.path = t4;
  	      _._query = t5;
  	      _._fragment = t6;
  	      _.___Uri_hashCode_FI = _.___Uri_pathSegments_FI = _.___Uri__text_FI = $;
  	    },
  	    _Uri__makePath_closure: function _Uri__makePath_closure() {
  	    },
  	    UriData: function UriData(t0, t1, t2) {
  	      this._text = t0;
  	      this._separatorIndices = t1;
  	      this._uriCache = t2;
  	    },
  	    _SimpleUri: function _SimpleUri(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _._uri = t0;
  	      _._schemeEnd = t1;
  	      _._hostStart = t2;
  	      _._portStart = t3;
  	      _._pathStart = t4;
  	      _._queryStart = t5;
  	      _._fragmentStart = t6;
  	      _._schemeCache = t7;
  	      _._hashCodeCache = null;
  	    },
  	    _DataUri: function _DataUri(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.scheme = t0;
  	      _._userInfo = t1;
  	      _._host = t2;
  	      _._port = t3;
  	      _.path = t4;
  	      _._query = t5;
  	      _._fragment = t6;
  	      _.___Uri_hashCode_FI = _.___Uri_pathSegments_FI = _.___Uri__text_FI = $;
  	    },
  	    Expando: function Expando(t0) {
  	      this._jsWeakMap = t0;
  	    },
  	    NullRejectionException: function NullRejectionException(t0) {
  	      this.isUndefined = t0;
  	    },
  	    _convertDartFunctionFast(f) {
  	      var ret,
  	        existing = f.$dart_jsFunction;
  	      if (existing != null)
  	        return existing;
  	      ret = function(_call, f) {
  	        return function() {
  	          return _call(f, Array.prototype.slice.apply(arguments));
  	        };
  	      }(A._callDartFunctionFast, f);
  	      ret[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
  	      f.$dart_jsFunction = ret;
  	      return ret;
  	    },
  	    _convertDartFunctionFastCaptureThis(f) {
  	      var ret,
  	        existing = f._$dart_jsFunctionCaptureThis;
  	      if (existing != null)
  	        return existing;
  	      ret = function(_call, f) {
  	        return function() {
  	          return _call(f, this, Array.prototype.slice.apply(arguments));
  	        };
  	      }(A._callDartFunctionFastCaptureThis, f);
  	      ret[$.$get$DART_CLOSURE_PROPERTY_NAME()] = f;
  	      f._$dart_jsFunctionCaptureThis = ret;
  	      return ret;
  	    },
  	    _callDartFunctionFast(callback, $arguments) {
  	      return A.Function_apply(callback, $arguments);
  	    },
  	    _callDartFunctionFastCaptureThis(callback, $self, $arguments) {
  	      var t1 = [$self];
  	      B.JSArray_methods.addAll$1(t1, $arguments);
  	      return A.Function_apply(callback, t1);
  	    },
  	    allowInterop(f) {
  	      if (typeof f == "function")
  	        return f;
  	      else
  	        return A._convertDartFunctionFast(f);
  	    },
  	    allowInteropCaptureThis(f) {
  	      if (typeof f == "function")
  	        throw A.wrapException(A.ArgumentError$("Function is already a JS function so cannot capture this.", null));
  	      else
  	        return A._convertDartFunctionFastCaptureThis(f);
  	    },
  	    _callDartFunctionFast2(callback, arg1, arg2, $length) {
  	      if ($length >= 2)
  	        return callback.call$2(arg1, arg2);
  	      if ($length === 1)
  	        return callback.call$1(arg1);
  	      return callback.call$0();
  	    },
  	    _noJsifyRequired(o) {
  	      return o == null || A._isBool(o) || typeof o == "number" || typeof o == "string" || type$.Int8List._is(o) || type$.Uint8List._is(o) || type$.Uint8ClampedList._is(o) || type$.Int16List._is(o) || type$.Uint16List._is(o) || type$.Int32List._is(o) || type$.Uint32List._is(o) || type$.Float32List._is(o) || type$.Float64List._is(o) || type$.ByteBuffer._is(o) || type$.ByteData._is(o);
  	    },
  	    jsify(object) {
  	      if (A._noJsifyRequired(object))
  	        return object;
  	      return new A.jsify__convert(new A._IdentityHashMap(type$._IdentityHashMap_of_nullable_Object_and_nullable_Object)).call$1(object);
  	    },
  	    _callMethodUnchecked0(o, method) {
  	      return o[method]();
  	    },
  	    callConstructor(constr, $arguments) {
  	      var args, factoryFunction;
  	      if ($arguments instanceof Array)
  	        switch ($arguments.length) {
  	          case 0:
  	            return new constr();
  	          case 1:
  	            return new constr($arguments[0]);
  	          case 2:
  	            return new constr($arguments[0], $arguments[1]);
  	          case 3:
  	            return new constr($arguments[0], $arguments[1], $arguments[2]);
  	          case 4:
  	            return new constr($arguments[0], $arguments[1], $arguments[2], $arguments[3]);
  	        }
  	      args = [null];
  	      B.JSArray_methods.addAll$1(args, $arguments);
  	      factoryFunction = constr.bind.apply(constr, args);
  	      return new factoryFunction();
  	    },
  	    promiseToFuture(jsPromise, $T) {
  	      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>")),
  	        completer = new A._AsyncCompleter(t1, $T._eval$1("_AsyncCompleter<0>"));
  	      jsPromise.then(A.convertDartClosureToJS(new A.promiseToFuture_closure(completer), 1), A.convertDartClosureToJS(new A.promiseToFuture_closure0(completer), 1));
  	      return t1;
  	    },
  	    jsify__convert: function jsify__convert(t0) {
  	      this._convertedObjects = t0;
  	    },
  	    promiseToFuture_closure: function promiseToFuture_closure(t0) {
  	      this.completer = t0;
  	    },
  	    promiseToFuture_closure0: function promiseToFuture_closure0(t0) {
  	      this.completer = t0;
  	    },
  	    max(a, b) {
  	      return Math.max(a, b);
  	    },
  	    pow(x, exponent) {
  	      return Math.pow(x, exponent);
  	    },
  	    Random_Random() {
  	      return B.C__JSRandom;
  	    },
  	    _JSRandom: function _JSRandom() {
  	    },
  	    ArgParser: function ArgParser(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._arg_parser$_options = t0;
  	      _._aliases = t1;
  	      _.options = t2;
  	      _.commands = t3;
  	      _._optionsAndSeparators = t4;
  	      _.allowTrailingOptions = t5;
  	      _.usageLineLength = t6;
  	    },
  	    ArgParser__addOption_closure: function ArgParser__addOption_closure(t0) {
  	      this.$this = t0;
  	    },
  	    ArgParserException$(message, commands, argumentName, source, offset) {
  	      return new A.ArgParserException(commands == null ? B.List_empty : A.List_List$unmodifiable(commands, type$.String), argumentName, message, source, offset);
  	    },
  	    ArgParserException: function ArgParserException(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.commands = t0;
  	      _.argumentName = t1;
  	      _.message = t2;
  	      _.source = t3;
  	      _.offset = t4;
  	    },
  	    ArgResults: function ArgResults(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._parser = t0;
  	      _._parsed = t1;
  	      _.name = t2;
  	      _.rest = t3;
  	    },
  	    Option: function Option(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13) {
  	      var _ = this;
  	      _.name = t0;
  	      _.abbr = t1;
  	      _.help = t2;
  	      _.valueHelp = t3;
  	      _.allowed = t4;
  	      _.allowedHelp = t5;
  	      _.defaultsTo = t6;
  	      _.negatable = t7;
  	      _.hideNegatedUsage = t8;
  	      _.callback = t9;
  	      _.type = t10;
  	      _.splitCommas = t11;
  	      _.mandatory = t12;
  	      _.hide = t13;
  	    },
  	    OptionType: function OptionType(t0) {
  	      this.name = t0;
  	    },
  	    Parser$(_commandName, _grammar, _args, _parent, rest) {
  	      var t1 = A._setArrayType([], type$.JSArray_String);
  	      if (rest != null)
  	        B.JSArray_methods.addAll$1(t1, rest);
  	      return new A.Parser0(_commandName, _parent, _grammar, _args, t1, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic));
  	    },
  	    _isLetterOrDigit(codeUnit) {
  	      var t1 = true;
  	      if (!(codeUnit >= 65 && codeUnit <= 90))
  	        if (!(codeUnit >= 97 && codeUnit <= 122))
  	          t1 = codeUnit >= 48 && codeUnit <= 57;
  	      return t1;
  	    },
  	    Parser0: function Parser0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._commandName = t0;
  	      _._parser$_parent = t1;
  	      _._grammar = t2;
  	      _._args = t3;
  	      _._parser$_rest = t4;
  	      _._results = t5;
  	    },
  	    Parser_parse_closure: function Parser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Parser__setOption_closure: function Parser__setOption_closure() {
  	    },
  	    _Usage: function _Usage(t0, t1, t2) {
  	      var _ = this;
  	      _._usage$_optionsAndSeparators = t0;
  	      _._usage$_buffer = t1;
  	      _._currentColumn = 0;
  	      _.___Usage__columnWidths_FI = $;
  	      _._newlinesNeeded = 0;
  	      _.lineLength = t2;
  	    },
  	    _Usage__writeOption_closure: function _Usage__writeOption_closure() {
  	    },
  	    _Usage__buildAllowedList_closure: function _Usage__buildAllowedList_closure(t0) {
  	      this.option = t0;
  	    },
  	    FutureGroup: function FutureGroup(t0, t1, t2) {
  	      var _ = this;
  	      _._future_group$_pending = 0;
  	      _._future_group$_closed = false;
  	      _._future_group$_completer = t0;
  	      _._future_group$_values = t1;
  	      _.$ti = t2;
  	    },
  	    FutureGroup_add_closure: function FutureGroup_add_closure(t0, t1) {
  	      this.$this = t0;
  	      this.index = t1;
  	    },
  	    FutureGroup_add_closure0: function FutureGroup_add_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ErrorResult: function ErrorResult(t0, t1) {
  	      this.error = t0;
  	      this.stackTrace = t1;
  	    },
  	    ValueResult: function ValueResult(t0, t1) {
  	      this.value = t0;
  	      this.$ti = t1;
  	    },
  	    StreamCompleter: function StreamCompleter(t0, t1) {
  	      this._stream_completer$_stream = t0;
  	      this.$ti = t1;
  	    },
  	    _CompleterStream: function _CompleterStream(t0) {
  	      this._sourceStream = this._stream_completer$_controller = null;
  	      this.$ti = t0;
  	    },
  	    StreamGroup: function StreamGroup(t0, t1, t2) {
  	      var _ = this;
  	      _.__StreamGroup__controller_A = $;
  	      _._closed = false;
  	      _._stream_group$_state = t0;
  	      _._subscriptions = t1;
  	      _.$ti = t2;
  	    },
  	    StreamGroup_add_closure: function StreamGroup_add_closure() {
  	    },
  	    StreamGroup_add_closure0: function StreamGroup_add_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.stream = t1;
  	    },
  	    StreamGroup__onListen_closure: function StreamGroup__onListen_closure() {
  	    },
  	    StreamGroup__onCancel_closure: function StreamGroup__onCancel_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StreamGroup__listenToStream_closure: function StreamGroup__listenToStream_closure(t0, t1) {
  	      this.$this = t0;
  	      this.stream = t1;
  	    },
  	    _StreamGroupState: function _StreamGroupState(t0) {
  	      this.name = t0;
  	    },
  	    StreamQueue: function StreamQueue(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._stream_queue$_source = t0;
  	      _._stream_queue$_subscription = null;
  	      _._isDone = false;
  	      _._eventsReceived = 0;
  	      _._eventQueue = t1;
  	      _._requestQueue = t2;
  	      _.$ti = t3;
  	    },
  	    StreamQueue__ensureListening_closure: function StreamQueue__ensureListening_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StreamQueue__ensureListening_closure1: function StreamQueue__ensureListening_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    StreamQueue__ensureListening_closure0: function StreamQueue__ensureListening_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _NextRequest: function _NextRequest(t0, t1) {
  	      this._completer = t0;
  	      this.$ti = t1;
  	    },
  	    isNodeJs() {
  	      var t1 = self.process;
  	      if (t1 == null)
  	        t1 = null;
  	      else {
  	        t1 = J.get$release$x(t1);
  	        t1 = t1 == null ? null : J.get$name$x(t1);
  	      }
  	      return J.$eq$(t1, "node");
  	    },
  	    isBrowser() {
  	      return !A.isNodeJs() && self.document != null && typeof self.document.querySelector == "function";
  	    },
  	    wrapJSExceptions(callback) {
  	      var error, error0, error1, error2, t1;
  	      if (!$.$get$_isStrictMode())
  	        return callback.call$0();
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (typeof t1 == "string") {
  	          error = t1;
  	          throw A.wrapException(error);
  	        } else if (A._isBool(t1)) {
  	          error0 = t1;
  	          throw A.wrapException(error0);
  	        } else if (typeof t1 == "number") {
  	          error1 = t1;
  	          throw A.wrapException(error1);
  	        } else {
  	          error2 = t1;
  	          if (typeof error2 == "symbol" || typeof error2 == "bigint" || error2 == null)
  	            throw A.wrapException(A._callMethodUnchecked0(error2, "toString"));
  	          throw exception;
  	        }
  	      }
  	    },
  	    _isStrictMode_closure: function _isStrictMode_closure() {
  	    },
  	    Repl: function Repl(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.prompt = t0;
  	      _.continuation = t1;
  	      _.validator = t2;
  	      _.__Repl__adapter_A = $;
  	      _.history = t3;
  	    },
  	    alwaysValid_closure: function alwaysValid_closure() {
  	    },
  	    ReplAdapter: function ReplAdapter(t0) {
  	      this.repl = t0;
  	      this.rl = null;
  	    },
  	    ReplAdapter_runAsync_closure: function ReplAdapter_runAsync_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.rl = t2;
  	      _.runController = t3;
  	    },
  	    ReplAdapter_runAsync__closure: function ReplAdapter_runAsync__closure(t0) {
  	      this.lineController = t0;
  	    },
  	    Stdin: function Stdin() {
  	    },
  	    Stdout: function Stdout() {
  	    },
  	    ReadlineModule: function ReadlineModule() {
  	    },
  	    ReadlineOptions: function ReadlineOptions() {
  	    },
  	    ReadlineInterface: function ReadlineInterface() {
  	    },
  	    EmptyUnmodifiableSet: function EmptyUnmodifiableSet(t0) {
  	      this.$ti = t0;
  	    },
  	    _EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin: function _EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin() {
  	    },
  	    DefaultEquality: function DefaultEquality() {
  	    },
  	    IterableEquality: function IterableEquality() {
  	    },
  	    ListEquality: function ListEquality() {
  	    },
  	    _MapEntry: function _MapEntry(t0, t1, t2) {
  	      this.equality = t0;
  	      this.key = t1;
  	      this.value = t2;
  	    },
  	    MapEquality: function MapEquality(t0) {
  	      this.$ti = t0;
  	    },
  	    QueueList$(initialCapacity, $E) {
  	      return new A.QueueList(A.List_List$filled(A.QueueList__computeInitialCapacity(initialCapacity), null, false, $E._eval$1("0?")), 0, 0, $E._eval$1("QueueList<0>"));
  	    },
  	    QueueList_QueueList$from(source, $E) {
  	      var $length, queue, t1;
  	      if (type$.List_dynamic._is(source)) {
  	        $length = J.get$length$asx(source);
  	        queue = A.QueueList$($length + 1, $E);
  	        J.setRange$4$ax(queue._queue_list$_table, 0, $length, source, 0);
  	        queue._queue_list$_tail = $length;
  	        return queue;
  	      } else {
  	        t1 = A.QueueList$(null, $E);
  	        t1.addAll$1(0, source);
  	        return t1;
  	      }
  	    },
  	    QueueList__computeInitialCapacity(initialCapacity) {
  	      if (initialCapacity == null || initialCapacity < 8)
  	        return 8;
  	      ++initialCapacity;
  	      if ((initialCapacity & initialCapacity - 1) >>> 0 === 0)
  	        return initialCapacity;
  	      return A.QueueList__nextPowerOf2(initialCapacity);
  	    },
  	    QueueList__nextPowerOf2(number) {
  	      var nextNumber;
  	      number = (number << 1 >>> 0) - 1;
  	      for (;; number = nextNumber) {
  	        nextNumber = (number & number - 1) >>> 0;
  	        if (nextNumber === 0)
  	          return number;
  	      }
  	    },
  	    QueueList: function QueueList(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._queue_list$_table = t0;
  	      _._queue_list$_head = t1;
  	      _._queue_list$_tail = t2;
  	      _.$ti = t3;
  	    },
  	    _CastQueueList: function _CastQueueList(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._queue_list$_delegate = t0;
  	      _._queue_list$_table = t1;
  	      _._queue_list$_head = t2;
  	      _._queue_list$_tail = t3;
  	      _.$ti = t4;
  	    },
  	    _QueueList_Object_ListMixin: function _QueueList_Object_ListMixin() {
  	    },
  	    UnionSet: function UnionSet(t0, t1) {
  	      this._sets = t0;
  	      this.$ti = t1;
  	    },
  	    UnionSet__iterable_closure: function UnionSet__iterable_closure(t0) {
  	      this.$this = t0;
  	    },
  	    UnionSet_contains_closure: function UnionSet_contains_closure(t0, t1) {
  	      this.$this = t0;
  	      this.element = t1;
  	    },
  	    _UnionSet_SetBase_UnmodifiableSetMixin: function _UnionSet_SetBase_UnmodifiableSetMixin() {
  	    },
  	    UnmodifiableSetMixin__throw() {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable Set"));
  	    },
  	    UnmodifiableSetView0: function UnmodifiableSetView0(t0, t1) {
  	      this._base = t0;
  	      this.$ti = t1;
  	    },
  	    UnmodifiableSetMixin: function UnmodifiableSetMixin() {
  	    },
  	    _UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin: function _UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin() {
  	    },
  	    _DelegatingIterableBase: function _DelegatingIterableBase() {
  	    },
  	    DelegatingSet: function DelegatingSet(t0, t1) {
  	      this._base = t0;
  	      this.$ti = t1;
  	    },
  	    MapKeySet: function MapKeySet(t0, t1) {
  	      this._baseMap = t0;
  	      this.$ti = t1;
  	    },
  	    MapKeySet_difference_closure: function MapKeySet_difference_closure(t0, t1) {
  	      this.$this = t0;
  	      this.other = t1;
  	    },
  	    _MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin: function _MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin() {
  	    },
  	    BufferModule: function BufferModule() {
  	    },
  	    BufferConstants: function BufferConstants() {
  	    },
  	    Buffer: function Buffer() {
  	    },
  	    ConsoleModule: function ConsoleModule() {
  	    },
  	    Console: function Console() {
  	    },
  	    EventEmitter: function EventEmitter() {
  	    },
  	    fs() {
  	      var t1 = $._fs;
  	      return t1 == null ? $._fs = self.fs : t1;
  	    },
  	    FS: function FS() {
  	    },
  	    FSConstants: function FSConstants() {
  	    },
  	    Realpath: function Realpath() {
  	    },
  	    RealpathSync: function RealpathSync() {
  	    },
  	    FSWatcher: function FSWatcher() {
  	    },
  	    ReadStream: function ReadStream() {
  	    },
  	    ReadStreamOptions: function ReadStreamOptions() {
  	    },
  	    WriteStream: function WriteStream() {
  	    },
  	    WriteStreamOptions: function WriteStreamOptions() {
  	    },
  	    FileOptions: function FileOptions() {
  	    },
  	    StatOptions: function StatOptions() {
  	    },
  	    MkdirOptions: function MkdirOptions() {
  	    },
  	    RmdirOptions: function RmdirOptions() {
  	    },
  	    WatchOptions: function WatchOptions() {
  	    },
  	    WatchFileOptions: function WatchFileOptions() {
  	    },
  	    Stats: function Stats() {
  	    },
  	    Promise: function Promise() {
  	    },
  	    Date: function Date() {
  	    },
  	    JsError: function JsError() {
  	    },
  	    Atomics: function Atomics() {
  	    },
  	    Modules: function Modules() {
  	    },
  	    Module: function Module() {
  	    },
  	    Net: function Net() {
  	    },
  	    Socket: function Socket() {
  	    },
  	    NetAddress: function NetAddress() {
  	    },
  	    NetServer: function NetServer() {
  	    },
  	    NodeJsError: function NodeJsError() {
  	    },
  	    JsAssertionError: function JsAssertionError() {
  	    },
  	    JsRangeError: function JsRangeError() {
  	    },
  	    JsReferenceError: function JsReferenceError() {
  	    },
  	    JsSyntaxError: function JsSyntaxError() {
  	    },
  	    JsTypeError: function JsTypeError() {
  	    },
  	    JsSystemError: function JsSystemError() {
  	    },
  	    Process: function Process() {
  	    },
  	    CPUUsage: function CPUUsage() {
  	    },
  	    Release: function Release() {
  	    },
  	    StreamModule: function StreamModule() {
  	    },
  	    Readable: function Readable() {
  	    },
  	    Writable: function Writable() {
  	    },
  	    Duplex: function Duplex() {
  	    },
  	    Transform: function Transform() {
  	    },
  	    WritableOptions: function WritableOptions() {
  	    },
  	    ReadableOptions: function ReadableOptions() {
  	    },
  	    Immediate: function Immediate() {
  	    },
  	    Timeout: function Timeout() {
  	    },
  	    TTY: function TTY() {
  	    },
  	    TTYReadStream: function TTYReadStream() {
  	    },
  	    TTYWriteStream: function TTYWriteStream() {
  	    },
  	    jsify0(dartObject) {
  	      if (A._isBasicType(dartObject))
  	        return dartObject;
  	      return A.jsify(dartObject);
  	    },
  	    _isBasicType(value) {
  	      return false;
  	    },
  	    promiseToFuture0(promise, $T) {
  	      var t1 = new A._Future($.Zone__current, $T._eval$1("_Future<0>")),
  	        completer = new A._SyncCompleter(t1, $T._eval$1("_SyncCompleter<0>"));
  	      J.then$2$x(promise, A.allowInterop(new A.promiseToFuture_closure1(completer)), A.allowInterop(new A.promiseToFuture_closure2(completer)));
  	      return t1;
  	    },
  	    futureToPromise(future, $T) {
  	      return new self.Promise(A.allowInterop(new A.futureToPromise_closure(future, $T)));
  	    },
  	    Util: function Util() {
  	    },
  	    promiseToFuture_closure1: function promiseToFuture_closure1(t0) {
  	      this.completer = t0;
  	    },
  	    promiseToFuture_closure2: function promiseToFuture_closure2(t0) {
  	      this.completer = t0;
  	    },
  	    futureToPromise_closure: function futureToPromise_closure(t0, t1) {
  	      this.future = t0;
  	      this.T = t1;
  	    },
  	    futureToPromise__closure: function futureToPromise__closure(t0, t1) {
  	      this.resolve = t0;
  	      this.T = t1;
  	    },
  	    Context_Context(style) {
  	      return new A.Context(style, ".");
  	    },
  	    _parseUri(uri) {
  	      if (typeof uri == "string")
  	        return A.Uri_parse(uri);
  	      if (type$.Uri._is(uri))
  	        return uri;
  	      throw A.wrapException(A.ArgumentError$value(uri, "uri", "Value must be a String or a Uri"));
  	    },
  	    _validateArgList(method, args) {
  	      var numArgs, i, numArgs0, message, t1, t2, t3, t4;
  	      for (numArgs = args.length, i = 1; i < numArgs; ++i) {
  	        if (args[i] == null || args[i - 1] != null)
  	          continue;
  	        for (; numArgs >= 1; numArgs = numArgs0) {
  	          numArgs0 = numArgs - 1;
  	          if (args[numArgs0] != null)
  	            break;
  	        }
  	        message = new A.StringBuffer("");
  	        t1 = method + "(";
  	        message._contents = t1;
  	        t2 = A._arrayInstanceType(args);
  	        t3 = t2._eval$1("SubListIterable<1>");
  	        t4 = new A.SubListIterable(args, 0, numArgs, t3);
  	        t4.SubListIterable$3(args, 0, numArgs, t2._precomputed1);
  	        t3 = t1 + new A.MappedListIterable(t4, new A._validateArgList_closure(), t3._eval$1("MappedListIterable<ListIterable.E,String>")).join$1(0, ", ");
  	        message._contents = t3;
  	        message._contents = t3 + ("): part " + (i - 1) + " was null, but part " + i + " was not.");
  	        throw A.wrapException(A.ArgumentError$(message.toString$0(0), null));
  	      }
  	    },
  	    Context: function Context(t0, t1) {
  	      this.style = t0;
  	      this._context$_current = t1;
  	    },
  	    Context_joinAll_closure: function Context_joinAll_closure() {
  	    },
  	    Context_split_closure: function Context_split_closure() {
  	    },
  	    _validateArgList_closure: function _validateArgList_closure() {
  	    },
  	    _PathDirection: function _PathDirection(t0) {
  	      this.name = t0;
  	    },
  	    _PathRelation: function _PathRelation(t0) {
  	      this.name = t0;
  	    },
  	    InternalStyle: function InternalStyle() {
  	    },
  	    ParsedPath_ParsedPath$parse(path, style) {
  	      var t1, parts, separators, start, i,
  	        root = style.getRoot$1(path),
  	        isRootRelative = style.isRootRelative$1(path);
  	      if (root != null)
  	        path = B.JSString_methods.substring$1(path, root.length);
  	      t1 = type$.JSArray_String;
  	      parts = A._setArrayType([], t1);
  	      separators = A._setArrayType([], t1);
  	      t1 = path.length;
  	      if (t1 !== 0 && style.isSeparator$1(path.charCodeAt(0))) {
  	        separators.push(path[0]);
  	        start = 1;
  	      } else {
  	        separators.push("");
  	        start = 0;
  	      }
  	      for (i = start; i < t1; ++i)
  	        if (style.isSeparator$1(path.charCodeAt(i))) {
  	          parts.push(B.JSString_methods.substring$2(path, start, i));
  	          separators.push(path[i]);
  	          start = i + 1;
  	        }
  	      if (start < t1) {
  	        parts.push(B.JSString_methods.substring$1(path, start));
  	        separators.push("");
  	      }
  	      return new A.ParsedPath(style, root, isRootRelative, parts, separators);
  	    },
  	    ParsedPath: function ParsedPath(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.style = t0;
  	      _.root = t1;
  	      _.isRootRelative = t2;
  	      _.parts = t3;
  	      _.separators = t4;
  	    },
  	    ParsedPath__splitExtension_closure: function ParsedPath__splitExtension_closure() {
  	    },
  	    ParsedPath__splitExtension_closure0: function ParsedPath__splitExtension_closure0() {
  	    },
  	    PathException$(message) {
  	      return new A.PathException(message);
  	    },
  	    PathException: function PathException(t0) {
  	      this.message = t0;
  	    },
  	    PathMap__create(context, $V) {
  	      var t1 = {};
  	      t1.context = context;
  	      t1.context = $.$get$context();
  	      return A.LinkedHashMap_LinkedHashMap(new A.PathMap__create_closure(t1), new A.PathMap__create_closure0(t1), new A.PathMap__create_closure1(), type$.nullable_String, $V);
  	    },
  	    PathMap: function PathMap(t0, t1) {
  	      this._map = t0;
  	      this.$ti = t1;
  	    },
  	    PathMap__create_closure: function PathMap__create_closure(t0) {
  	      this._box_0 = t0;
  	    },
  	    PathMap__create_closure0: function PathMap__create_closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    PathMap__create_closure1: function PathMap__create_closure1() {
  	    },
  	    Style__getPlatformStyle() {
  	      if (A.Uri_base().get$scheme() !== "file")
  	        return $.$get$Style_url();
  	      var t1 = A.Uri_base();
  	      if (!B.JSString_methods.endsWith$1(t1.get$path(t1), "/"))
  	        return $.$get$Style_url();
  	      if (A._Uri__Uri(null, "a/b", null, null).toFilePath$0() === "a\\b")
  	        return $.$get$Style_windows();
  	      return $.$get$Style_posix();
  	    },
  	    Style: function Style() {
  	    },
  	    PosixStyle: function PosixStyle(t0, t1, t2) {
  	      this.separatorPattern = t0;
  	      this.needsSeparatorPattern = t1;
  	      this.rootPattern = t2;
  	    },
  	    UrlStyle: function UrlStyle(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.separatorPattern = t0;
  	      _.needsSeparatorPattern = t1;
  	      _.rootPattern = t2;
  	      _.relativeRootPattern = t3;
  	    },
  	    WindowsStyle: function WindowsStyle(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.separatorPattern = t0;
  	      _.needsSeparatorPattern = t1;
  	      _.rootPattern = t2;
  	      _.relativeRootPattern = t3;
  	    },
  	    WindowsStyle_absolutePathToUri_closure: function WindowsStyle_absolutePathToUri_closure() {
  	    },
  	    Version$_(major, minor, patch, preRelease, build, _text) {
  	      var t1 = preRelease == null || preRelease.length === 0 ? A._setArrayType([], type$.JSArray_Object) : A.Version__splitParts(preRelease),
  	        t2 = build == null || build.length === 0 ? A._setArrayType([], type$.JSArray_Object) : A.Version__splitParts(build);
  	      if (major < 0)
  	        A.throwExpression(A.ArgumentError$("Major version must be non-negative.", null));
  	      if (minor < 0)
  	        A.throwExpression(A.ArgumentError$("Minor version must be non-negative.", null));
  	      if (patch < 0)
  	        A.throwExpression(A.ArgumentError$("Patch version must be non-negative.", null));
  	      return new A.Version(major, minor, patch, t1, t2, _text);
  	    },
  	    Version_Version(major, minor, patch, pre) {
  	      var text = "" + major + "." + minor + "." + patch;
  	      if (pre != null)
  	        text += "-" + pre;
  	      return A.Version$_(major, minor, patch, pre, null, text);
  	    },
  	    Version___parse_tearOff(text) {
  	      return A.Version_Version$parse(text);
  	    },
  	    Version_Version$parse(text) {
  	      var major, minor, patch, preRelease, build, t1, _null = null,
  	        _s17_ = 'Could not parse "',
  	        match = $.$get$completeVersion().firstMatch$1(text);
  	      if (match == null)
  	        throw A.wrapException(A.FormatException$(_s17_ + text + '".', _null, _null));
  	      try {
  	        t1 = match._match[1];
  	        t1.toString;
  	        major = A.int_parse(t1, _null);
  	        t1 = match._match[2];
  	        t1.toString;
  	        minor = A.int_parse(t1, _null);
  	        t1 = match._match[3];
  	        t1.toString;
  	        patch = A.int_parse(t1, _null);
  	        preRelease = match._match[5];
  	        build = match._match[8];
  	        t1 = A.Version$_(major, minor, patch, preRelease, build, text);
  	        return t1;
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception)))
  	          throw A.wrapException(A.FormatException$(_s17_ + text + '".', _null, _null));
  	        else
  	          throw exception;
  	      }
  	    },
  	    Version__splitParts(text) {
  	      var t1 = type$.MappedListIterable_String_Object;
  	      t1 = A.List_List$_of(new A.MappedListIterable(A._setArrayType(text.split("."), type$.JSArray_String), new A.Version__splitParts_closure(), t1), t1._eval$1("ListIterable.E"));
  	      return t1;
  	    },
  	    Version: function Version(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.major = t0;
  	      _.minor = t1;
  	      _.patch = t2;
  	      _.preRelease = t3;
  	      _.build = t4;
  	      _._version$_text = t5;
  	    },
  	    Version__splitParts_closure: function Version__splitParts_closure() {
  	    },
  	    VersionRange_VersionRange(includeMax, max) {
  	      return new A.VersionRange(null, max, false, true);
  	    },
  	    VersionRange: function VersionRange(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.min = t0;
  	      _.max = t1;
  	      _.includeMin = t2;
  	      _.includeMax = t3;
  	    },
  	    CssMediaQuery$type(type, conditions, modifier) {
  	      return new A.CssMediaQuery(modifier, type, true, conditions == null ? B.List_empty : A.List_List$unmodifiable(conditions, type$.String));
  	    },
  	    CssMediaQuery$condition(conditions, conjunction) {
  	      var t1 = A.List_List$unmodifiable(conditions, type$.String);
  	      if (t1.length > 1 && conjunction == null)
  	        A.throwExpression(A.ArgumentError$(string$.If_con, null));
  	      return new A.CssMediaQuery(null, null, conjunction !== false, t1);
  	    },
  	    CssMediaQuery: function CssMediaQuery(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.modifier = t0;
  	      _.type = t1;
  	      _.conjunction = t2;
  	      _.conditions = t3;
  	    },
  	    _SingletonCssMediaQueryMergeResult: function _SingletonCssMediaQueryMergeResult(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    MediaQuerySuccessfulMergeResult: function MediaQuerySuccessfulMergeResult(t0) {
  	      this.query = t0;
  	    },
  	    ModifiableCssAtRule$($name, span, childless, value) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      return new A.ModifiableCssAtRule($name, value, childless, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode), t1);
  	    },
  	    ModifiableCssAtRule: function ModifiableCssAtRule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.isChildless = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _._children = t5;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssComment: function ModifiableCssComment(t0, t1) {
  	      var _ = this;
  	      _.text = t0;
  	      _.span = t1;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssDeclaration$($name, value, span, parsedAsSassScript, valueSpanForMap) {
  	      var t2,
  	        t1 = valueSpanForMap == null ? value.span : valueSpanForMap;
  	      if (!parsedAsSassScript) {
  	        t2 = value.value;
  	        if (!(t2 instanceof A.SassString))
  	          A.throwExpression(A.ArgumentError$(string$.If_par + value.toString$0(0) + "` of type " + A.getRuntimeTypeOfDartObject(t2).toString$0(0) + ").", null));
  	      }
  	      return new A.ModifiableCssDeclaration($name, value, parsedAsSassScript, t1, span);
  	    },
  	    ModifiableCssDeclaration: function ModifiableCssDeclaration(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.parsedAsSassScript = t2;
  	      _.valueSpanForMap = t3;
  	      _.span = t4;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssImport: function ModifiableCssImport(t0, t1, t2) {
  	      var _ = this;
  	      _.url = t0;
  	      _.modifiers = t1;
  	      _.span = t2;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssKeyframeBlock$(selector, span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      return new A.ModifiableCssKeyframeBlock(selector, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode), t1);
  	    },
  	    ModifiableCssKeyframeBlock: function ModifiableCssKeyframeBlock(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.selector = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._children = t3;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssMediaRule$(queries, span) {
  	      var t1 = A.List_List$unmodifiable(queries, type$.CssMediaQuery),
  	        t2 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      if (J.get$isEmpty$asx(queries))
  	        A.throwExpression(A.ArgumentError$value(queries, "queries", "may not be empty."));
  	      return new A.ModifiableCssMediaRule(t1, span, new A.UnmodifiableListView(t2, type$.UnmodifiableListView_ModifiableCssNode), t2);
  	    },
  	    ModifiableCssMediaRule: function ModifiableCssMediaRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.queries = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._children = t3;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssNode: function ModifiableCssNode() {
  	    },
  	    ModifiableCssNode_hasFollowingSibling_closure: function ModifiableCssNode_hasFollowingSibling_closure() {
  	    },
  	    ModifiableCssParentNode: function ModifiableCssParentNode() {
  	    },
  	    ModifiableCssStyleRule$(_selector, span, fromPlainCss, originalSelector) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      return new A.ModifiableCssStyleRule(_selector, originalSelector, span, fromPlainCss, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode), t1);
  	    },
  	    ModifiableCssStyleRule: function ModifiableCssStyleRule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._style_rule$_selector = t0;
  	      _.originalSelector = t1;
  	      _.span = t2;
  	      _.fromPlainCss = t3;
  	      _.children = t4;
  	      _._children = t5;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssStylesheet$(span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      return new A.ModifiableCssStylesheet(span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode), t1);
  	    },
  	    ModifiableCssStylesheet: function ModifiableCssStylesheet(t0, t1, t2) {
  	      var _ = this;
  	      _.span = t0;
  	      _.children = t1;
  	      _._children = t2;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ModifiableCssSupportsRule$(condition, span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      return new A.ModifiableCssSupportsRule(condition, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode), t1);
  	    },
  	    ModifiableCssSupportsRule: function ModifiableCssSupportsRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._children = t3;
  	      _._indexInParent = _._parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    CssNode: function CssNode() {
  	    },
  	    CssParentNode: function CssParentNode() {
  	    },
  	    _IsInvisibleVisitor: function _IsInvisibleVisitor(t0, t1) {
  	      this.includeBogus = t0;
  	      this.includeComments = t1;
  	    },
  	    __IsInvisibleVisitor_Object_EveryCssVisitor: function __IsInvisibleVisitor_Object_EveryCssVisitor() {
  	    },
  	    CssStylesheet: function CssStylesheet(t0, t1) {
  	      this.children = t0;
  	      this.span = t1;
  	    },
  	    CssValue: function CssValue(t0, t1, t2) {
  	      this.value = t0;
  	      this.span = t1;
  	      this.$ti = t2;
  	    },
  	    _FakeAstNode: function _FakeAstNode(t0) {
  	      this._callback = t0;
  	    },
  	    ArgumentList$(positional, named, namedSpans, span, keywordRest, rest) {
  	      var t1 = type$.Expression,
  	        t2 = type$.String;
  	      return new A.ArgumentList(A.List_List$unmodifiable(positional, t1), A.ConstantMap_ConstantMap$from(named, t2, t1), A.ConstantMap_ConstantMap$from(namedSpans, t2, type$.FileSpan), rest, keywordRest, span);
  	    },
  	    ArgumentList$empty(span) {
  	      return new A.ArgumentList(B.List_empty9, B.Map_empty4, B.Map_empty5, null, null, span);
  	    },
  	    ArgumentList: function ArgumentList(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.positional = t0;
  	      _.named = t1;
  	      _.namedSpans = t2;
  	      _.rest = t3;
  	      _.keywordRest = t4;
  	      _.span = t5;
  	    },
  	    AtRootQuery: function AtRootQuery(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.include = t0;
  	      _.names = t1;
  	      _._all = t2;
  	      _._at_root_query$_rule = t3;
  	    },
  	    BooleanOperator: function BooleanOperator(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    ConfiguredVariable: function ConfiguredVariable(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _.expression = t1;
  	      _.isGuarded = t2;
  	      _.span = t3;
  	    },
  	    Expression: function Expression() {
  	    },
  	    BinaryOperationExpression: function BinaryOperationExpression(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.operator = t0;
  	      _.left = t1;
  	      _.right = t2;
  	      _.allowsSlash = t3;
  	    },
  	    BinaryOperator: function BinaryOperator(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.precedence = t2;
  	      _.isAssociative = t3;
  	      _.index = t4;
  	      _._name = t5;
  	    },
  	    BooleanExpression: function BooleanExpression(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    ColorExpression: function ColorExpression(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    FunctionExpression: function FunctionExpression(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.originalName = t2;
  	      _.$arguments = t3;
  	      _.span = t4;
  	    },
  	    IfConditionOperation$(expressions, op) {
  	      var t1 = A.List_List$unmodifiable(expressions, type$.IfConditionExpression);
  	      if (t1.length < 2)
  	        A.throwExpression(A.ArgumentError$value(t1, "expressions", "must have length >= 2"));
  	      return new A.IfConditionOperation(t1, op);
  	    },
  	    IfExpression: function IfExpression(t0, t1) {
  	      this.branches = t0;
  	      this.span = t1;
  	    },
  	    IfConditionExpression: function IfConditionExpression() {
  	    },
  	    IfConditionParenthesized: function IfConditionParenthesized(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionNegation: function IfConditionNegation(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionOperation: function IfConditionOperation(t0, t1) {
  	      this.expressions = t0;
  	      this.op = t1;
  	    },
  	    IfConditionOperation_toInterpolation_closure: function IfConditionOperation_toInterpolation_closure(t0) {
  	      this.$this = t0;
  	    },
  	    IfConditionFunction: function IfConditionFunction(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    IfConditionSass: function IfConditionSass(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionRaw: function IfConditionRaw(t0) {
  	      this.text = t0;
  	    },
  	    InterpolatedFunctionExpression: function InterpolatedFunctionExpression(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    LegacyIfExpression: function LegacyIfExpression(t0, t1) {
  	      this.$arguments = t0;
  	      this.span = t1;
  	    },
  	    ListExpression: function ListExpression(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.contents = t0;
  	      _.separator = t1;
  	      _.hasBrackets = t2;
  	      _.span = t3;
  	    },
  	    ListExpression_toString_closure: function ListExpression_toString_closure(t0) {
  	      this.$this = t0;
  	    },
  	    MapExpression: function MapExpression(t0, t1) {
  	      this.pairs = t0;
  	      this.span = t1;
  	    },
  	    NullExpression: function NullExpression(t0) {
  	      this.span = t0;
  	    },
  	    NumberExpression: function NumberExpression(t0, t1, t2) {
  	      this.value = t0;
  	      this.unit = t1;
  	      this.span = t2;
  	    },
  	    ParenthesizedExpression: function ParenthesizedExpression(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    SelectorExpression: function SelectorExpression(t0) {
  	      this.span = t0;
  	    },
  	    StringExpression_quoteText(text) {
  	      var quote = A.StringExpression__bestQuote(A._setArrayType([text], type$.JSArray_String)),
  	        buffer = new A.StringBuffer(""),
  	        t1 = A.Primitives_stringFromCharCode(quote);
  	      buffer._contents = t1;
  	      A.StringExpression__quoteInnerText(text, quote, buffer, true);
  	      t1 = buffer._contents += t1;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    StringExpression__quoteInnerText(text, quote, buffer, $static) {
  	      var t1, t2, i, _1_0, _0_0, t3, t4, t5, t0;
  	      for (t1 = text.length, t2 = t1 - 1, i = 0; i < t1; ++i) {
  	        _1_0 = text.charCodeAt(i);
  	        if (_1_0 === 10 || _1_0 === 13 || _1_0 === 12) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(97);
  	          if (i !== t2) {
  	            _0_0 = text.charCodeAt(i + 1);
  	            t3 = true;
  	            if (!(_0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12))
  	              if (!(_0_0 >= 48 && _0_0 <= 57))
  	                if (!(_0_0 >= 97 && _0_0 <= 102))
  	                  t3 = _0_0 >= 65 && _0_0 <= 70;
  	            if (t3)
  	              buffer.writeCharCode$1(32);
  	          }
  	          continue;
  	        }
  	        t3 = 92 === _1_0;
  	        if (t3)
  	          t4 = _1_0;
  	        else
  	          t4 = null;
  	        if (!t3) {
  	          t3 = false;
  	          t5 = _1_0 === quote;
  	          if (t5)
  	            t4 = _1_0;
  	          if (!t5)
  	            if (35 === _1_0)
  	              if ($static)
  	                if (i < t2) {
  	                  t3 = text.charCodeAt(i + 1) === 123;
  	                  if (t3)
  	                    t4 = _1_0;
  	                  t0 = t4;
  	                  t4 = t3;
  	                  t3 = t0;
  	                } else {
  	                  t0 = t4;
  	                  t4 = t3;
  	                  t3 = t0;
  	                }
  	              else {
  	                t0 = t4;
  	                t4 = t3;
  	                t3 = t0;
  	              }
  	            else {
  	              t0 = t4;
  	              t4 = t3;
  	              t3 = t0;
  	            }
  	          else {
  	            t3 = t4;
  	            t4 = true;
  	          }
  	        } else {
  	          t3 = t4;
  	          t4 = true;
  	        }
  	        if (t4) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(t3);
  	          continue;
  	        }
  	        buffer.writeCharCode$1(_1_0);
  	      }
  	    },
  	    StringExpression__bestQuote(strings) {
  	      var t1, t2, t3, containsDoubleQuote, t4, t5;
  	      for (t1 = J.get$iterator$ax(strings), t2 = type$.CodeUnits, t3 = t2._eval$1("ListIterator<ListBase.E>"), t2 = t2._eval$1("ListBase.E"), containsDoubleQuote = false; t1.moveNext$0();)
  	        for (t4 = new A.CodeUnits(t1.get$current(t1)), t4 = new A.ListIterator(t4, t4.get$length(0), t3); t4.moveNext$0();) {
  	          t5 = t4.__internal$_current;
  	          if (t5 == null)
  	            t5 = t2._as(t5);
  	          if (t5 === 39)
  	            return 34;
  	          if (t5 === 34)
  	            containsDoubleQuote = true;
  	        }
  	      return containsDoubleQuote ? 39 : 34;
  	    },
  	    StringExpression: function StringExpression(t0, t1) {
  	      this.text = t0;
  	      this.hasQuotes = t1;
  	    },
  	    SupportsExpression: function SupportsExpression(t0) {
  	      this.condition = t0;
  	    },
  	    UnaryOperationExpression: function UnaryOperationExpression(t0, t1, t2) {
  	      this.operator = t0;
  	      this.operand = t1;
  	      this.span = t2;
  	    },
  	    UnaryOperator: function UnaryOperator(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.index = t2;
  	      _._name = t3;
  	    },
  	    ValueExpression: function ValueExpression(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    VariableExpression: function VariableExpression(t0, t1, t2) {
  	      this.namespace = t0;
  	      this.name = t1;
  	      this.span = t2;
  	    },
  	    DynamicImport: function DynamicImport(t0, t1) {
  	      this.urlString = t0;
  	      this.span = t1;
  	    },
  	    StaticImport: function StaticImport(t0, t1, t2) {
  	      this.url = t0;
  	      this.modifiers = t1;
  	      this.span = t2;
  	    },
  	    Interpolation$(contents, spans, span) {
  	      var t1 = new A.Interpolation(A.List_List$unmodifiable(contents, type$.Object), A.List_List$unmodifiable(spans, type$.nullable_FileSpan), span);
  	      t1.Interpolation$3(contents, spans, span);
  	      return t1;
  	    },
  	    Interpolation: function Interpolation(t0, t1, t2) {
  	      this.contents = t0;
  	      this.spans = t1;
  	      this.span = t2;
  	    },
  	    Interpolation_toString_closure: function Interpolation_toString_closure() {
  	    },
  	    Parameter: function Parameter(t0, t1, t2) {
  	      this.name = t0;
  	      this.defaultValue = t1;
  	      this.span = t2;
  	    },
  	    ParameterList_ParameterList$parse(contents, url) {
  	      return A.ScssParser$(contents, false, url).parseParameterList$0();
  	    },
  	    ParameterList: function ParameterList(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.restParameter = t1;
  	      this.span = t2;
  	    },
  	    ParameterList_verify_closure: function ParameterList_verify_closure() {
  	    },
  	    ParameterList_verify_closure0: function ParameterList_verify_closure0() {
  	    },
  	    Statement: function Statement() {
  	    },
  	    AtRootRule$(children, span, query) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.AtRootRule(query, span, t1, t2);
  	    },
  	    AtRootRule: function AtRootRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.query = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    AtRule$($name, span, children, value) {
  	      var t1 = children == null ? null : A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = t1 == null ? null : B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.AtRule($name, value, span, t1, t2 === true);
  	    },
  	    AtRule: function AtRule(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    CallableDeclaration: function CallableDeclaration() {
  	    },
  	    ContentBlock$(parameters, children, span) {
  	      var _s8_ = "@content",
  	        t1 = A.stringReplaceAllUnchecked(_s8_, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure());
  	      return new A.ContentBlock(t1, _s8_, parameters, span, t2, t3);
  	    },
  	    ContentBlock: function ContentBlock(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    ContentRule: function ContentRule(t0, t1) {
  	      this.$arguments = t0;
  	      this.span = t1;
  	    },
  	    DebugRule: function DebugRule(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    Declaration$($name, value, span) {
  	      return new A.Declaration($name, value, span, true, null, false);
  	    },
  	    Declaration$notSassScript($name, value, span) {
  	      return new A.Declaration($name, value, span, false, null, false);
  	    },
  	    Declaration$nested($name, children, span, value) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.Declaration($name, value, span, true, t1, t2);
  	    },
  	    Declaration: function Declaration(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.span = t2;
  	      _.parsedAsSassScript = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    EachRule$(variables, list, children, span) {
  	      var t1 = A.List_List$unmodifiable(variables, type$.String),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure());
  	      return new A.EachRule(t1, list, span, t2, t3);
  	    },
  	    EachRule: function EachRule(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.variables = t0;
  	      _.list = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    EachRule_toString_closure: function EachRule_toString_closure() {
  	    },
  	    ErrorRule: function ErrorRule(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    ExtendRule: function ExtendRule(t0, t1, t2) {
  	      this.selector = t0;
  	      this.isOptional = t1;
  	      this.span = t2;
  	    },
  	    ForRule$(variable, from, to, children, span, exclusive) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.ForRule(variable, from, to, exclusive, span, t1, t2);
  	    },
  	    ForRule: function ForRule(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.variable = t0;
  	      _.from = t1;
  	      _.to = t2;
  	      _.isExclusive = t3;
  	      _.span = t4;
  	      _.children = t5;
  	      _.hasDeclarations = t6;
  	    },
  	    ForwardRule: function ForwardRule(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.url = t0;
  	      _.shownMixinsAndFunctions = t1;
  	      _.shownVariables = t2;
  	      _.hiddenMixinsAndFunctions = t3;
  	      _.hiddenVariables = t4;
  	      _.prefix = t5;
  	      _.configuration = t6;
  	      _.span = t7;
  	    },
  	    FunctionRule$($name, parameters, children, span, comment) {
  	      var t1 = A.stringReplaceAllUnchecked($name, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure());
  	      return new A.FunctionRule(t1, $name, parameters, span, t2, t3);
  	    },
  	    FunctionRule: function FunctionRule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    IfClause$(expression, children) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement);
  	      return new A.IfClause(expression, t1, B.JSArray_methods.any$1(t1, new A.IfRuleClause$__closure()));
  	    },
  	    ElseClause$(children) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement);
  	      return new A.ElseClause(t1, B.JSArray_methods.any$1(t1, new A.IfRuleClause$__closure()));
  	    },
  	    IfRule: function IfRule(t0, t1, t2) {
  	      this.clauses = t0;
  	      this.lastClause = t1;
  	      this.span = t2;
  	    },
  	    IfRule_toString_closure: function IfRule_toString_closure() {
  	    },
  	    IfRuleClause: function IfRuleClause() {
  	    },
  	    IfRuleClause$__closure: function IfRuleClause$__closure() {
  	    },
  	    IfRuleClause$___closure: function IfRuleClause$___closure() {
  	    },
  	    IfClause: function IfClause(t0, t1, t2) {
  	      this.expression = t0;
  	      this.children = t1;
  	      this.hasDeclarations = t2;
  	    },
  	    ElseClause: function ElseClause(t0, t1) {
  	      this.children = t0;
  	      this.hasDeclarations = t1;
  	    },
  	    ImportRule: function ImportRule(t0, t1) {
  	      this.imports = t0;
  	      this.span = t1;
  	    },
  	    IncludeRule: function IncludeRule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.originalName = t2;
  	      _.$arguments = t3;
  	      _.content = t4;
  	      _.span = t5;
  	    },
  	    LoudComment: function LoudComment(t0) {
  	      this.text = t0;
  	    },
  	    MediaRule$(query, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.MediaRule(query, span, t1, t2);
  	    },
  	    MediaRule: function MediaRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.query = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    MixinRule$($name, parameters, children, span, comment) {
  	      var t1 = A.stringReplaceAllUnchecked($name, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure());
  	      return new A.MixinRule(t1, $name, parameters, span, t2, t3);
  	    },
  	    MixinRule: function MixinRule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.__MixinRule_hasContent_FI = $;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    _HasContentVisitor: function _HasContentVisitor() {
  	    },
  	    __HasContentVisitor_Object_StatementSearchVisitor: function __HasContentVisitor_Object_StatementSearchVisitor() {
  	    },
  	    ParentStatement: function ParentStatement() {
  	    },
  	    ParentStatement_closure: function ParentStatement_closure() {
  	    },
  	    ParentStatement__closure: function ParentStatement__closure() {
  	    },
  	    ReturnRule: function ReturnRule(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    SilentComment: function SilentComment(t0, t1) {
  	      this.text = t0;
  	      this.span = t1;
  	    },
  	    StyleRule$(selector, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.StyleRule(selector, null, span, t1, t2);
  	    },
  	    StyleRule: function StyleRule(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.selector = t0;
  	      _.parsedSelector = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    Stylesheet$(children, span) {
  	      var t1 = A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span),
  	        t2 = A._setArrayType([], type$.JSArray_UseRule),
  	        t3 = A._setArrayType([], type$.JSArray_ForwardRule),
  	        t4 = A.List_List$unmodifiable(children, type$.Statement),
  	        t5 = B.JSArray_methods.any$1(t4, new A.ParentStatement_closure());
  	      t2 = new A.Stylesheet(span, false, t2, t3, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span), B.Map_empty5, t4, t5);
  	      t2.Stylesheet$internal$5$globalVariables$plainCss(children, span, t1, null, false);
  	      return t2;
  	    },
  	    Stylesheet$internal(children, span, parseTimeWarnings, globalVariables, plainCss) {
  	      var t1 = A._setArrayType([], type$.JSArray_UseRule),
  	        t2 = A._setArrayType([], type$.JSArray_ForwardRule),
  	        t3 = globalVariables == null ? B.Map_empty5 : A.ConstantMap_ConstantMap$from(globalVariables, type$.String, type$.FileSpan),
  	        t4 = A.List_List$unmodifiable(children, type$.Statement),
  	        t5 = B.JSArray_methods.any$1(t4, new A.ParentStatement_closure());
  	      t1 = new A.Stylesheet(span, plainCss, t1, t2, new A.UnmodifiableListView(parseTimeWarnings, type$.UnmodifiableListView_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span), t3, t4, t5);
  	      t1.Stylesheet$internal$5$globalVariables$plainCss(children, span, parseTimeWarnings, globalVariables, plainCss);
  	      return t1;
  	    },
  	    Stylesheet_Stylesheet$parse(contents, syntax, parseSelectors, url) {
  	      var error, stackTrace, url0, t1, t2;
  	      try {
  	        switch (syntax.index) {
  	          case 1:
  	            t1 = new A.SassParser(false, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span), A.SpanScanner$(contents, url), null).parse$0(0);
  	            return t1;
  	          case 0:
  	            t1 = A.ScssParser$(contents, false, url).parse$0(0);
  	            return t1;
  	          case 2:
  	            t1 = new A.CssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span), A.SpanScanner$(contents, url), null).parse$0(0);
  	            return t1;
  	        }
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error;
  	          t2 = J.getInterceptor$x(t1);
  	          t1 = A.SourceSpanException.prototype.get$span.call(t2, t1);
  	          url0 = t1.get$sourceUrl(t1);
  	          if (url0 == null || url0.toString$0(0) === "stdin")
  	            throw exception;
  	          t1 = type$.Uri;
  	          throw A.wrapException(A.throwWithTrace(error.withLoadedUrls$1(A.Set_Set$unmodifiable(A.LinkedHashSet_LinkedHashSet$_literal([url0], t1), t1)), error, stackTrace));
  	        } else
  	          throw exception;
  	      }
  	    },
  	    Stylesheet: function Stylesheet(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.span = t0;
  	      _.plainCss = t1;
  	      _._uses = t2;
  	      _._forwards = t3;
  	      _.parseTimeWarnings = t4;
  	      _.globalVariables = t5;
  	      _.children = t6;
  	      _.hasDeclarations = t7;
  	    },
  	    SupportsRule$(condition, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.SupportsRule(condition, span, t1, t2);
  	    },
  	    SupportsRule: function SupportsRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    UseRule: function UseRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.url = t0;
  	      _.namespace = t1;
  	      _.configuration = t2;
  	      _.span = t3;
  	    },
  	    VariableDeclaration$($name, expression, span, comment, global, guarded, namespace) {
  	      if (namespace != null && global)
  	        A.throwExpression(A.ArgumentError$(string$.Other_, null));
  	      return new A.VariableDeclaration(namespace, $name, expression, guarded, global, span);
  	    },
  	    VariableDeclaration: function VariableDeclaration(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.expression = t2;
  	      _.isGuarded = t3;
  	      _.isGlobal = t4;
  	      _.span = t5;
  	    },
  	    WarnRule: function WarnRule(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    WhileRule$(condition, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure());
  	      return new A.WhileRule(condition, span, t1, t2);
  	    },
  	    WhileRule: function WhileRule(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    SupportsAnything: function SupportsAnything(t0, t1) {
  	      this.contents = t0;
  	      this.span = t1;
  	    },
  	    SupportsDeclaration: function SupportsDeclaration(t0, t1, t2) {
  	      this.name = t0;
  	      this.value = t1;
  	      this.span = t2;
  	    },
  	    SupportsFunction: function SupportsFunction(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    SupportsInterpolation: function SupportsInterpolation(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    SupportsNegation: function SupportsNegation(t0, t1) {
  	      this.condition = t0;
  	      this.span = t1;
  	    },
  	    SupportsOperation: function SupportsOperation(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.left = t0;
  	      _.right = t1;
  	      _.operator = t2;
  	      _.span = t3;
  	    },
  	    Selector: function Selector() {
  	    },
  	    _IsInvisibleVisitor0: function _IsInvisibleVisitor0(t0) {
  	      this.includeBogus = t0;
  	    },
  	    _IsBogusVisitor: function _IsBogusVisitor(t0) {
  	      this.includeLeadingCombinator = t0;
  	    },
  	    _IsBogusVisitor_visitComplexSelector_closure: function _IsBogusVisitor_visitComplexSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _IsUselessVisitor: function _IsUselessVisitor() {
  	    },
  	    _IsUselessVisitor_visitComplexSelector_closure: function _IsUselessVisitor_visitComplexSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _ContainsParentSelectorVisitor: function _ContainsParentSelectorVisitor() {
  	    },
  	    __ContainsParentSelectorVisitor_Object_AnySelectorVisitor: function __ContainsParentSelectorVisitor_Object_AnySelectorVisitor() {
  	    },
  	    __IsBogusVisitor_Object_AnySelectorVisitor: function __IsBogusVisitor_Object_AnySelectorVisitor() {
  	    },
  	    __IsInvisibleVisitor_Object_AnySelectorVisitor: function __IsInvisibleVisitor_Object_AnySelectorVisitor() {
  	    },
  	    __IsUselessVisitor_Object_AnySelectorVisitor: function __IsUselessVisitor_Object_AnySelectorVisitor() {
  	    },
  	    AttributeSelector: function AttributeSelector(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.op = t1;
  	      _.value = t2;
  	      _.modifier = t3;
  	      _.span = t4;
  	    },
  	    AttributeOperator: function AttributeOperator(t0, t1, t2) {
  	      this._attribute$_text = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    ClassSelector: function ClassSelector(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    Combinator: function Combinator(t0, t1, t2) {
  	      this._combinator$_text = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    ComplexSelector$(leadingCombinators, components, span, lineBreak) {
  	      var t1 = A.List_List$unmodifiable(leadingCombinators, type$.CssValue_Combinator),
  	        t2 = A.List_List$unmodifiable(components, type$.ComplexSelectorComponent);
  	      if (t1.length === 0 && t2.length === 0)
  	        A.throwExpression(A.ArgumentError$(string$.leadin, null));
  	      return new A.ComplexSelector(t1, t2, lineBreak, span);
  	    },
  	    ComplexSelector: function ComplexSelector(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.leadingCombinators = t0;
  	      _.components = t1;
  	      _.lineBreak = t2;
  	      _.__ComplexSelector_specificity_FI = $;
  	      _.span = t3;
  	    },
  	    ComplexSelector_specificity_closure: function ComplexSelector_specificity_closure() {
  	    },
  	    ComplexSelectorComponent: function ComplexSelectorComponent(t0, t1, t2) {
  	      this.selector = t0;
  	      this.combinators = t1;
  	      this.span = t2;
  	    },
  	    ComplexSelectorComponent_toString_closure: function ComplexSelectorComponent_toString_closure() {
  	    },
  	    CompoundSelector$(components, span) {
  	      var t1 = A.List_List$unmodifiable(components, type$.SimpleSelector);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.CompoundSelector(t1, span);
  	    },
  	    CompoundSelector: function CompoundSelector(t0, t1) {
  	      var _ = this;
  	      _.components = t0;
  	      _.__CompoundSelector_hasComplicatedSuperselectorSemantics_FI = _.__CompoundSelector_specificity_FI = $;
  	      _.span = t1;
  	    },
  	    CompoundSelector_specificity_closure: function CompoundSelector_specificity_closure() {
  	    },
  	    CompoundSelector_hasComplicatedSuperselectorSemantics_closure: function CompoundSelector_hasComplicatedSuperselectorSemantics_closure() {
  	    },
  	    IDSelector: function IDSelector(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    IDSelector_unify_closure: function IDSelector_unify_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorList$(components, span) {
  	      var t1 = A.List_List$unmodifiable(components, type$.ComplexSelector);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.SelectorList(t1, span);
  	    },
  	    SelectorList_SelectorList$parse(contents, allowParent, interpolationMap, plainCss) {
  	      return new A.SelectorParser(allowParent, plainCss, A.SpanScanner$(contents, null), interpolationMap).parse$0(0);
  	    },
  	    SelectorList: function SelectorList(t0, t1) {
  	      this.components = t0;
  	      this.span = t1;
  	    },
  	    SelectorList_asSassList_closure: function SelectorList_asSassList_closure() {
  	    },
  	    SelectorList_nestWithin_closure: function SelectorList_nestWithin_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.preserveParentSelectors = t1;
  	      _.implicitParent = t2;
  	      _.parent = t3;
  	    },
  	    SelectorList_nestWithin__closure: function SelectorList_nestWithin__closure(t0) {
  	      this.complex = t0;
  	    },
  	    SelectorList_nestWithin__closure0: function SelectorList_nestWithin__closure0(t0) {
  	      this.complex = t0;
  	    },
  	    SelectorList__nestWithinCompound_closure: function SelectorList__nestWithinCompound_closure() {
  	    },
  	    SelectorList__nestWithinCompound_closure0: function SelectorList__nestWithinCompound_closure0(t0) {
  	      this.parent = t0;
  	    },
  	    SelectorList__nestWithinCompound_closure1: function SelectorList__nestWithinCompound_closure1(t0, t1, t2) {
  	      this.parentSelector = t0;
  	      this.resolvedSimples = t1;
  	      this.component = t2;
  	    },
  	    SelectorList_withAdditionalCombinators_closure: function SelectorList_withAdditionalCombinators_closure(t0) {
  	      this.combinators = t0;
  	    },
  	    _ParentSelectorVisitor: function _ParentSelectorVisitor() {
  	    },
  	    __ParentSelectorVisitor_Object_SelectorSearchVisitor: function __ParentSelectorVisitor_Object_SelectorSearchVisitor() {
  	    },
  	    ParentSelector: function ParentSelector(t0, t1) {
  	      this.suffix = t0;
  	      this.span = t1;
  	    },
  	    PlaceholderSelector: function PlaceholderSelector(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    PseudoSelector$($name, span, argument, element, selector) {
  	      var t1 = !element,
  	        t2 = t1 && !A.PseudoSelector__isFakePseudoElement($name);
  	      return new A.PseudoSelector($name, A.unvendor($name), t2, t1, argument, selector, span);
  	    },
  	    PseudoSelector__isFakePseudoElement($name) {
  	      switch ($name.charCodeAt(0)) {
  	        case 97:
  	        case 65:
  	          return A.equalsIgnoreCase($name, "after");
  	        case 98:
  	        case 66:
  	          return A.equalsIgnoreCase($name, "before");
  	        case 102:
  	        case 70:
  	          return A.equalsIgnoreCase($name, "first-line") || A.equalsIgnoreCase($name, "first-letter");
  	        default:
  	          return false;
  	      }
  	    },
  	    PseudoSelector: function PseudoSelector(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.name = t0;
  	      _.normalizedName = t1;
  	      _.isClass = t2;
  	      _.isSyntacticClass = t3;
  	      _.argument = t4;
  	      _.selector = t5;
  	      _.__PseudoSelector_specificity_FI = $;
  	      _.span = t6;
  	    },
  	    PseudoSelector_specificity_closure: function PseudoSelector_specificity_closure(t0) {
  	      this.$this = t0;
  	    },
  	    PseudoSelector_specificity__closure: function PseudoSelector_specificity__closure() {
  	    },
  	    PseudoSelector_specificity__closure0: function PseudoSelector_specificity__closure0() {
  	    },
  	    PseudoSelector_unify_closure: function PseudoSelector_unify_closure() {
  	    },
  	    QualifiedName: function QualifiedName(t0, t1) {
  	      this.name = t0;
  	      this.namespace = t1;
  	    },
  	    SimpleSelector: function SimpleSelector() {
  	    },
  	    SimpleSelector_isSuperselector_closure: function SimpleSelector_isSuperselector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SimpleSelector_isSuperselector__closure: function SimpleSelector_isSuperselector__closure(t0) {
  	      this.$this = t0;
  	    },
  	    TypeSelector: function TypeSelector(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    UniversalSelector: function UniversalSelector(t0, t1) {
  	      this.namespace = t0;
  	      this.span = t1;
  	    },
  	    compileAsync(path, charset, fatalDeprecations, futureDeprecations, importCache, logger, quietDeps, silenceDeprecations, sourceMap, style, syntax, verbose) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult),
  	        $async$returnValue, t3, t4, t0, stylesheet, result, t1, t2;
  	      var $async$compileAsync = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Deprecation;
  	              t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t2.addAll$1(0, silenceDeprecations);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t3.addAll$1(0, fatalDeprecations);
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t4.addAll$1(0, futureDeprecations);
  	              logger = new A.DeprecationProcessingLogger(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	              logger.validate$0();
  	              t1 = syntax === A.Syntax_forPath(path);
  	              $async$goto = t1 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              t1 = $.$get$FilesystemImporter_cwd();
  	              t2 = A.isNodeJs() ? self.process : null;
  	              if (!J.$eq$(t2 == null ? null : J.get$platform$x(t2), "win32")) {
  	                t2 = A.isNodeJs() ? self.process : null;
  	                t2 = J.$eq$(t2 == null ? null : J.get$platform$x(t2), "darwin");
  	              } else
  	                t2 = true;
  	              if (t2) {
  	                t2 = A.absolute(path, null, null, null, null, null, null, null, null, null, null, null, null, null, null);
  	                t3 = $.$get$context();
  	                t2 = A._realCasePath(t3.normalize$1(t2));
  	              } else {
  	                t2 = $.$get$context();
  	                t3 = t2.canonicalize$1(0, path);
  	                t0 = t3;
  	                t3 = t2;
  	                t2 = t0;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(importCache.importCanonical$3$originalUrl(t1, t3.toUri$1(t2), t3.toUri$1(path)), $async$compileAsync);
  	            case 6:
  	              // returning from await.
  	              t3 = $async$result;
  	              t3.toString;
  	              stylesheet = t3;
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              t1 = A.readFile(path);
  	              stylesheet = A.Stylesheet_Stylesheet$parse(t1, syntax, false, $.$get$context().toUri$1(path));
  	            case 4:
  	              // join
  	              $async$goto = 7;
  	              return A._asyncAwait(A._compileStylesheet0(stylesheet, logger, importCache, null, $.$get$FilesystemImporter_cwd(), null, style, true, null, null, quietDeps, sourceMap, charset), $async$compileAsync);
  	            case 7:
  	              // returning from await.
  	              result = $async$result;
  	              logger.summarize$1$js(false);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileAsync, $async$completer);
  	    },
  	    compileStringAsync(source, charset, fatalDeprecations, futureDeprecations, importCache, importer, logger, quietDeps, silenceDeprecations, sourceMap, style, syntax, verbose) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult),
  	        $async$returnValue, t3, t4, stylesheet, _0_0, result, t1, t2;
  	      var $async$compileStringAsync = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Deprecation;
  	              t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t2.addAll$1(0, silenceDeprecations);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t3.addAll$1(0, fatalDeprecations);
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              t4.addAll$1(0, futureDeprecations);
  	              logger = new A.DeprecationProcessingLogger(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	              logger.validate$0();
  	              stylesheet = A.Stylesheet_Stylesheet$parse(source, syntax, false, null);
  	              t1 = stylesheet.span;
  	              _0_0 = t1.get$sourceUrl(t1);
  	              if (type$.Uri._is(_0_0))
  	                t2 = "" === _0_0.get$scheme();
  	              else
  	                t2 = false;
  	              if (t2)
  	                A.WarnForDeprecation_warnForDeprecation(logger, B.Deprecation_r8S, "Passing a relative `url` argument (" + A.S(t1.get$sourceUrl(t1)) + string$.x29x20to_cm, null, null);
  	              $async$goto = 3;
  	              return A._asyncAwait(A._compileStylesheet0(stylesheet, logger, importCache, null, importer, null, style, true, null, null, quietDeps, sourceMap, charset), $async$compileStringAsync);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              logger.summarize$1$js(false);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileStringAsync, $async$completer);
  	    },
  	    _compileStylesheet0(stylesheet, logger, importCache, nodeImporter, importer, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult),
  	        $async$returnValue, serializeResult, resultSourceMap, $async$temp1;
  	      var $async$_compileStylesheet0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait(A._EvaluateVisitor$0(functions, importCache, logger, nodeImporter, quietDeps, sourceMap).run$2(0, importer, stylesheet), $async$_compileStylesheet0);
  	            case 3:
  	              // returning from await.
  	              serializeResult = $async$temp1.serialize($async$result._1, charset, indentWidth, false, lineFeed, logger, sourceMap, style, true);
  	              resultSourceMap = serializeResult._1;
  	              if (resultSourceMap != null)
  	                A.mapInPlace(resultSourceMap.urls, new A._compileStylesheet_closure0(stylesheet, importCache));
  	              $async$returnValue = new A.CompileResult(serializeResult);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_compileStylesheet0, $async$completer);
  	    },
  	    _compileStylesheet_closure0: function _compileStylesheet_closure0(t0, t1) {
  	      this.stylesheet = t0;
  	      this.importCache = t1;
  	    },
  	    AsyncEnvironment$() {
  	      var t1 = type$.String,
  	        t2 = type$.Module_AsyncCallable,
  	        t3 = type$.AstNode,
  	        t4 = type$.int,
  	        t5 = type$.AsyncCallable,
  	        t6 = type$.JSArray_Map_String_AsyncCallable;
  	      return new A.AsyncEnvironment(A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), null, null, A._setArrayType([], type$.JSArray_Module_AsyncCallable), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value)], type$.JSArray_Map_String_Value), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t3)], type$.JSArray_Map_String_AstNode), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), null, A.LinkedHashSet_LinkedHashSet$_empty(t1));
  	    },
  	    AsyncEnvironment$_(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, _functions, _mixins, _content, _configurableVariables) {
  	      var t1 = type$.String,
  	        t2 = type$.int;
  	      return new A.AsyncEnvironment(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _functions, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _mixins, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _content, _configurableVariables);
  	    },
  	    _EnvironmentModule__EnvironmentModule0(environment, css, preModuleComments, extensionStore, forwarded) {
  	      var t1, t2, t3, t4, t5, t6, module, result, t7;
  	      if (forwarded == null)
  	        forwarded = B.Set_empty3;
  	      t1 = type$.dynamic;
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t2 = type$.Module_AsyncCallable, t3 = type$.List_CssComment, t4 = A.MapExtensions_get_pairs(preModuleComments, t2, t3), t4 = t4.get$iterator(t4), t5 = type$.CssComment; t4.moveNext$0();) {
  	        t6 = t4.get$current(t4);
  	        module = t6._0;
  	        result = A.List_List$from(t6._1, false, t5);
  	        result.$flags = 3;
  	        t1.$indexSet(0, module, result);
  	      }
  	      t1 = A.ConstantMap_ConstantMap$from(t1, t2, t3);
  	      t2 = A._EnvironmentModule__makeModulesByVariable0(forwarded);
  	      t3 = A._EnvironmentModule__memberMap0(B.JSArray_methods.get$first(environment._async_environment$_variables), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure5(), type$.Map_String_Value), type$.Value);
  	      t4 = A._EnvironmentModule__memberMap0(B.JSArray_methods.get$first(environment._async_environment$_variableNodes), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure6(), type$.Map_String_AstNode), type$.AstNode);
  	      t5 = type$.Map_String_AsyncCallable;
  	      t6 = type$.AsyncCallable;
  	      t7 = A._EnvironmentModule__memberMap0(B.JSArray_methods.get$first(environment._async_environment$_functions), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure7(), t5), t6);
  	      t6 = A._EnvironmentModule__memberMap0(B.JSArray_methods.get$first(environment._async_environment$_mixins), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure8(), t5), t6);
  	      t5 = J.get$isNotEmpty$asx(css.get$children(css)) || preModuleComments.get$isNotEmpty(preModuleComments) || B.JSArray_methods.any$1(environment._async_environment$_allModules, new A._EnvironmentModule__EnvironmentModule_closure9());
  	      return A._EnvironmentModule$_0(environment, css, t1, extensionStore, t2, t3, t4, t7, t6, t5, !extensionStore.get$isEmpty(extensionStore) || B.JSArray_methods.any$1(environment._async_environment$_allModules, new A._EnvironmentModule__EnvironmentModule_closure10()));
  	    },
  	    _EnvironmentModule__makeModulesByVariable0(forwarded) {
  	      var modulesByVariable, t1, t2, t3, t4, t5;
  	      if (forwarded.get$isEmpty(forwarded))
  	        return B.Map_empty8;
  	      modulesByVariable = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Module_AsyncCallable);
  	      for (t1 = forwarded.get$iterator(forwarded); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        if (t2 instanceof A._EnvironmentModule0) {
  	          for (t3 = t2._async_environment$_modulesByVariable, t3 = t3.get$values(t3), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	            t4 = t3.get$current(t3);
  	            t5 = t4.get$variables();
  	            A.setAll(modulesByVariable, t5.get$keys(t5), t4);
  	          }
  	          t3 = B.JSArray_methods.get$first(t2._async_environment$_environment._async_environment$_variables);
  	          A.setAll(modulesByVariable, t3.get$keys(t3), t2);
  	        } else {
  	          t3 = t2.get$variables();
  	          A.setAll(modulesByVariable, t3.get$keys(t3), t2);
  	        }
  	      }
  	      return modulesByVariable;
  	    },
  	    _EnvironmentModule__memberMap0(localMap, otherMaps, $V) {
  	      var t1, t2, t3;
  	      localMap = new A.PublicMemberMapView(localMap, $V._eval$1("PublicMemberMapView<0>"));
  	      if (otherMaps.get$isEmpty(otherMaps))
  	        return localMap;
  	      t1 = A._setArrayType([], $V._eval$1("JSArray<Map<String,0>>"));
  	      for (t2 = otherMaps.get$iterator(otherMaps); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.get$isNotEmpty(t3))
  	          t1.push(t3);
  	      }
  	      t1.push(localMap);
  	      if (t1.length === 1)
  	        return localMap;
  	      return A.MergedMapView$(t1, type$.String, $V);
  	    },
  	    _EnvironmentModule$_0(_environment, css, preModuleComments, extensionStore, _modulesByVariable, variables, variableNodes, functions, mixins, transitivelyContainsCss, transitivelyContainsExtensions) {
  	      return new A._EnvironmentModule0(_environment._async_environment$_allModules, variables, variableNodes, functions, mixins, extensionStore, css, preModuleComments, transitivelyContainsCss, transitivelyContainsExtensions, _environment, _modulesByVariable);
  	    },
  	    AsyncEnvironment: function AsyncEnvironment(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15) {
  	      var _ = this;
  	      _._async_environment$_modules = t0;
  	      _._async_environment$_namespaceNodes = t1;
  	      _._async_environment$_globalModules = t2;
  	      _._async_environment$_importedModules = t3;
  	      _._async_environment$_forwardedModules = t4;
  	      _._async_environment$_nestedForwardedModules = t5;
  	      _._async_environment$_allModules = t6;
  	      _._async_environment$_variables = t7;
  	      _._async_environment$_variableNodes = t8;
  	      _._async_environment$_variableIndices = t9;
  	      _._async_environment$_functions = t10;
  	      _._async_environment$_functionIndices = t11;
  	      _._async_environment$_mixins = t12;
  	      _._async_environment$_mixinIndices = t13;
  	      _._async_environment$_content = t14;
  	      _._async_environment$_configurableVariables = t15;
  	      _._async_environment$_inMixin = false;
  	      _._async_environment$_inSemiGlobalScope = true;
  	      _._async_environment$_lastVariableIndex = _._async_environment$_lastVariableName = null;
  	    },
  	    AsyncEnvironment__getVariableFromGlobalModule_closure: function AsyncEnvironment__getVariableFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_setVariable_closure: function AsyncEnvironment_setVariable_closure(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    AsyncEnvironment_setVariable_closure0: function AsyncEnvironment_setVariable_closure0(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_setVariable_closure1: function AsyncEnvironment_setVariable_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    AsyncEnvironment__getFunctionFromGlobalModule_closure: function AsyncEnvironment__getFunctionFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment__getMixinFromGlobalModule_closure: function AsyncEnvironment__getMixinFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_toModule_closure: function AsyncEnvironment_toModule_closure() {
  	    },
  	    AsyncEnvironment_toDummyModule_closure: function AsyncEnvironment_toDummyModule_closure() {
  	    },
  	    _EnvironmentModule0: function _EnvironmentModule0(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) {
  	      var _ = this;
  	      _.upstream = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.extensionStore = t5;
  	      _.css = t6;
  	      _.preModuleComments = t7;
  	      _.transitivelyContainsCss = t8;
  	      _.transitivelyContainsExtensions = t9;
  	      _._async_environment$_environment = t10;
  	      _._async_environment$_modulesByVariable = t11;
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure5: function _EnvironmentModule__EnvironmentModule_closure5() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure6: function _EnvironmentModule__EnvironmentModule_closure6() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure7: function _EnvironmentModule__EnvironmentModule_closure7() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure8: function _EnvironmentModule__EnvironmentModule_closure8() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure9: function _EnvironmentModule__EnvironmentModule_closure9() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure10: function _EnvironmentModule__EnvironmentModule_closure10() {
  	    },
  	    _EnvironmentModule_couldHaveBeenConfigured_closure0: function _EnvironmentModule_couldHaveBeenConfigured_closure0(t0) {
  	      this.variables = t0;
  	    },
  	    AsyncImportCache__toImporters(importers, loadPaths, packageConfig) {
  	      var t1, t2, t3, t4, _i, path, _null = null,
  	        sassPath = A.getEnvironmentVariable("SASS_PATH");
  	      if (A.isBrowser()) {
  	        t1 = A._setArrayType([], type$.JSArray_AsyncImporter_2);
  	        B.JSArray_methods.addAll$1(t1, importers);
  	        return t1;
  	      }
  	      t1 = A._setArrayType([], type$.JSArray_AsyncImporter_2);
  	      B.JSArray_methods.addAll$1(t1, importers);
  	      for (t2 = J.get$iterator$ax(loadPaths); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push(new A.FilesystemImporter($.$get$context().absolute$15(t3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	      }
  	      if (sassPath != null) {
  	        t2 = A.isNodeJs() ? self.process : _null;
  	        t3 = sassPath.split(J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "win32") ? ";" : ":");
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t4; ++_i) {
  	          path = t3[_i];
  	          t1.push(new A.FilesystemImporter($.$get$context().absolute$15(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      }
  	      return t1;
  	    },
  	    AsyncImportCache: function AsyncImportCache(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._async_import_cache$_importers = t0;
  	      _._async_import_cache$_canonicalizeCache = t1;
  	      _._async_import_cache$_perImporterCanonicalizeCache = t2;
  	      _._async_import_cache$_nonCanonicalRelativeUrls = t3;
  	      _._async_import_cache$_importCache = t4;
  	      _._async_import_cache$_resultsCache = t5;
  	      _._async_import_cache$_loadTimes = t6;
  	    },
  	    AsyncImportCache_canonicalize_closure: function AsyncImportCache_canonicalize_closure(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.baseImporter = t1;
  	      _.resolvedUrl = t2;
  	      _.baseUrl = t3;
  	      _.forImport = t4;
  	      _.key = t5;
  	      _.url = t6;
  	    },
  	    AsyncImportCache__canonicalize_closure: function AsyncImportCache__canonicalize_closure(t0, t1) {
  	      this.importer = t0;
  	      this.url = t1;
  	    },
  	    AsyncImportCache_importCanonical_closure: function AsyncImportCache_importCanonical_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _.originalUrl = t3;
  	    },
  	    AsyncImportCache_humanize_closure: function AsyncImportCache_humanize_closure(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    AsyncImportCache_humanize_closure0: function AsyncImportCache_humanize_closure0() {
  	    },
  	    AsyncImportCache_humanize_closure1: function AsyncImportCache_humanize_closure1() {
  	    },
  	    AsyncImportCache_humanize_closure2: function AsyncImportCache_humanize_closure2(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    AsyncBuiltInCallable$mixin($name, parameters, callback, acceptsContent, url) {
  	      return new A.AsyncBuiltInCallable($name, A.ScssParser$("@mixin " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), new A.AsyncBuiltInCallable$mixin_closure(callback), false);
  	    },
  	    AsyncBuiltInCallable: function AsyncBuiltInCallable(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _._parameters = t1;
  	      _._async_built_in$_callback = t2;
  	      _.acceptsContent = t3;
  	    },
  	    AsyncBuiltInCallable$mixin_closure: function AsyncBuiltInCallable$mixin_closure(t0) {
  	      this.callback = t0;
  	    },
  	    AsyncBuiltInCallable_withDeprecationWarning_closure: function AsyncBuiltInCallable_withDeprecationWarning_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.module = t1;
  	      this.newName = t2;
  	    },
  	    BuiltInCallable$function($name, parameters, callback, url) {
  	      return new A.BuiltInCallable($name, A._setArrayType([new A._Record_2(A.ScssParser$("@function " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), callback)], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value), false);
  	    },
  	    BuiltInCallable$mixin($name, parameters, callback, acceptsContent, url) {
  	      return new A.BuiltInCallable($name, A._setArrayType([new A._Record_2(A.ScssParser$("@mixin " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), new A.BuiltInCallable$mixin_closure(callback))], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value), acceptsContent);
  	    },
  	    BuiltInCallable$overloadedFunction($name, overloads) {
  	      var t2, t3, t4, t5, t6, t7, args, callback,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value);
  	      for (t2 = type$.String, t3 = A.MapExtensions_get_pairs(overloads, t2, type$.Value_Function_List_Value), t3 = t3.get$iterator(t3), t4 = "@function " + $name + "(", t5 = type$.FileSpan, t6 = type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span; t3.moveNext$0();) {
  	        t7 = t3.get$current(t3);
  	        args = t7._0;
  	        callback = t7._1;
  	        t1.push(new A._Record_2(new A.ScssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5), A._setArrayType([], t6), A.SpanScanner$(t4 + args + ") {", null), null).parseParameterList$0(), callback));
  	      }
  	      return new A.BuiltInCallable($name, t1, false);
  	    },
  	    BuiltInCallable: function BuiltInCallable(t0, t1, t2) {
  	      this.name = t0;
  	      this._overloads = t1;
  	      this.acceptsContent = t2;
  	    },
  	    BuiltInCallable$mixin_closure: function BuiltInCallable$mixin_closure(t0) {
  	      this.callback = t0;
  	    },
  	    BuiltInCallable_withDeprecationWarning_closure: function BuiltInCallable_withDeprecationWarning_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.module = t2;
  	      _.newName = t3;
  	    },
  	    PlainCssCallable: function PlainCssCallable(t0) {
  	      this.name = t0;
  	    },
  	    UserDefinedCallable: function UserDefinedCallable(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.declaration = t0;
  	      _.environment = t1;
  	      _.inDependency = t2;
  	      _.$ti = t3;
  	    },
  	    _compileStylesheet(stylesheet, logger, importCache, nodeImporter, importer, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset) {
  	      var serializeResult = A.serialize(A._EvaluateVisitor$(functions, importCache, logger, nodeImporter, quietDeps, sourceMap).run$2(0, importer, stylesheet)._1, charset, indentWidth, false, lineFeed, logger, sourceMap, style, true),
  	        resultSourceMap = serializeResult._1;
  	      if (resultSourceMap != null)
  	        A.mapInPlace(resultSourceMap.urls, new A._compileStylesheet_closure(stylesheet, importCache));
  	      return new A.CompileResult(serializeResult);
  	    },
  	    _compileStylesheet_closure: function _compileStylesheet_closure(t0, t1) {
  	      this.stylesheet = t0;
  	      this.importCache = t1;
  	    },
  	    CompileResult: function CompileResult(t0) {
  	      this._serialize = t0;
  	    },
  	    Configuration: function Configuration(t0, t1) {
  	      this._configuration$_values = t0;
  	      this.__originalConfiguration = t1;
  	    },
  	    ExplicitConfiguration: function ExplicitConfiguration(t0, t1, t2) {
  	      this.nodeWithSpan = t0;
  	      this._configuration$_values = t1;
  	      this.__originalConfiguration = t2;
  	    },
  	    ConfiguredValue: function ConfiguredValue(t0, t1, t2) {
  	      this.value = t0;
  	      this.configurationSpan = t1;
  	      this.assignmentNode = t2;
  	    },
  	    Deprecation_fromId(id) {
  	      return A.IterableExtension_firstWhereOrNull(B.List_u1I, new A.Deprecation_fromId_closure(id));
  	    },
  	    Deprecation_forVersion(version) {
  	      var t2, _i, deprecation, $self, t3,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.Deprecation);
  	      for (t2 = A.VersionRange_VersionRange(true, version).get$allows(), _i = 0; _i < 30; ++_i) {
  	        deprecation = B.List_u1I[_i];
  	        $self = deprecation._deprecatedIn;
  	        t3 = $self == null ? null : A.Version___parse_tearOff($self);
  	        t3 = t3 == null ? null : t2.call$1(t3);
  	        if (t3 == null ? false : t3) {
  	          $self = deprecation._obsoleteIn;
  	          if ($self == null)
  	            t3 = null;
  	          else
  	            t3 = A.Version___parse_tearOff($self);
  	          t3 = t3 == null;
  	        } else
  	          t3 = false;
  	        if (t3)
  	          t1.add$1(0, deprecation);
  	      }
  	      return t1;
  	    },
  	    Deprecation: function Deprecation(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.id = t0;
  	      _._deprecatedIn = t1;
  	      _._obsoleteIn = t2;
  	      _.index = t3;
  	      _._name = t4;
  	    },
  	    Deprecation_fromId_closure: function Deprecation_fromId_closure(t0) {
  	      this.id = t0;
  	    },
  	    Environment$() {
  	      var t1 = type$.String,
  	        t2 = type$.Module_Callable,
  	        t3 = type$.AstNode,
  	        t4 = type$.int,
  	        t5 = type$.Callable,
  	        t6 = type$.JSArray_Map_String_Callable;
  	      return new A.Environment(A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), null, null, A._setArrayType([], type$.JSArray_Module_Callable), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value)], type$.JSArray_Map_String_Value), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t3)], type$.JSArray_Map_String_AstNode), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), null, A.LinkedHashSet_LinkedHashSet$_empty(t1));
  	    },
  	    Environment$_(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, _functions, _mixins, _content, _configurableVariables) {
  	      var t1 = type$.String,
  	        t2 = type$.int;
  	      return new A.Environment(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _functions, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _mixins, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _content, _configurableVariables);
  	    },
  	    _EnvironmentModule__EnvironmentModule(environment, css, preModuleComments, extensionStore, forwarded) {
  	      var t1, t2, t3, t4, t5, t6, module, result, t7;
  	      if (forwarded == null)
  	        forwarded = B.Set_empty0;
  	      t1 = type$.dynamic;
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t2 = type$.Module_Callable, t3 = type$.List_CssComment, t4 = A.MapExtensions_get_pairs(preModuleComments, t2, t3), t4 = t4.get$iterator(t4), t5 = type$.CssComment; t4.moveNext$0();) {
  	        t6 = t4.get$current(t4);
  	        module = t6._0;
  	        result = A.List_List$from(t6._1, false, t5);
  	        result.$flags = 3;
  	        t1.$indexSet(0, module, result);
  	      }
  	      t1 = A.ConstantMap_ConstantMap$from(t1, t2, t3);
  	      t2 = A._EnvironmentModule__makeModulesByVariable(forwarded);
  	      t3 = A._EnvironmentModule__memberMap(B.JSArray_methods.get$first(environment._variables), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure(), type$.Map_String_Value), type$.Value);
  	      t4 = A._EnvironmentModule__memberMap(B.JSArray_methods.get$first(environment._variableNodes), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure0(), type$.Map_String_AstNode), type$.AstNode);
  	      t5 = type$.Map_String_Callable;
  	      t6 = type$.Callable;
  	      t7 = A._EnvironmentModule__memberMap(B.JSArray_methods.get$first(environment._functions), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure1(), t5), t6);
  	      t6 = A._EnvironmentModule__memberMap(B.JSArray_methods.get$first(environment._mixins), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure2(), t5), t6);
  	      t5 = J.get$isNotEmpty$asx(css.get$children(css)) || preModuleComments.get$isNotEmpty(preModuleComments) || B.JSArray_methods.any$1(environment._allModules, new A._EnvironmentModule__EnvironmentModule_closure3());
  	      return A._EnvironmentModule$_(environment, css, t1, extensionStore, t2, t3, t4, t7, t6, t5, !extensionStore.get$isEmpty(extensionStore) || B.JSArray_methods.any$1(environment._allModules, new A._EnvironmentModule__EnvironmentModule_closure4()));
  	    },
  	    _EnvironmentModule__makeModulesByVariable(forwarded) {
  	      var modulesByVariable, t1, t2, t3, t4, t5;
  	      if (forwarded.get$isEmpty(forwarded))
  	        return B.Map_empty0;
  	      modulesByVariable = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Module_Callable);
  	      for (t1 = forwarded.get$iterator(forwarded); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        if (t2 instanceof A._EnvironmentModule) {
  	          for (t3 = t2._modulesByVariable, t3 = t3.get$values(t3), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	            t4 = t3.get$current(t3);
  	            t5 = t4.get$variables();
  	            A.setAll(modulesByVariable, t5.get$keys(t5), t4);
  	          }
  	          t3 = B.JSArray_methods.get$first(t2._environment$_environment._variables);
  	          A.setAll(modulesByVariable, t3.get$keys(t3), t2);
  	        } else {
  	          t3 = t2.get$variables();
  	          A.setAll(modulesByVariable, t3.get$keys(t3), t2);
  	        }
  	      }
  	      return modulesByVariable;
  	    },
  	    _EnvironmentModule__memberMap(localMap, otherMaps, $V) {
  	      var t1, t2, t3;
  	      localMap = new A.PublicMemberMapView(localMap, $V._eval$1("PublicMemberMapView<0>"));
  	      if (otherMaps.get$isEmpty(otherMaps))
  	        return localMap;
  	      t1 = A._setArrayType([], $V._eval$1("JSArray<Map<String,0>>"));
  	      for (t2 = otherMaps.get$iterator(otherMaps); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.get$isNotEmpty(t3))
  	          t1.push(t3);
  	      }
  	      t1.push(localMap);
  	      if (t1.length === 1)
  	        return localMap;
  	      return A.MergedMapView$(t1, type$.String, $V);
  	    },
  	    _EnvironmentModule$_(_environment, css, preModuleComments, extensionStore, _modulesByVariable, variables, variableNodes, functions, mixins, transitivelyContainsCss, transitivelyContainsExtensions) {
  	      return new A._EnvironmentModule(_environment._allModules, variables, variableNodes, functions, mixins, extensionStore, css, preModuleComments, transitivelyContainsCss, transitivelyContainsExtensions, _environment, _modulesByVariable);
  	    },
  	    Environment: function Environment(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15) {
  	      var _ = this;
  	      _._environment$_modules = t0;
  	      _._namespaceNodes = t1;
  	      _._globalModules = t2;
  	      _._importedModules = t3;
  	      _._forwardedModules = t4;
  	      _._nestedForwardedModules = t5;
  	      _._allModules = t6;
  	      _._variables = t7;
  	      _._variableNodes = t8;
  	      _._variableIndices = t9;
  	      _._functions = t10;
  	      _._functionIndices = t11;
  	      _._mixins = t12;
  	      _._mixinIndices = t13;
  	      _._content = t14;
  	      _._configurableVariables = t15;
  	      _._inMixin = false;
  	      _._inSemiGlobalScope = true;
  	      _._lastVariableIndex = _._lastVariableName = null;
  	    },
  	    Environment__getVariableFromGlobalModule_closure: function Environment__getVariableFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    Environment_setVariable_closure: function Environment_setVariable_closure(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    Environment_setVariable_closure0: function Environment_setVariable_closure0(t0) {
  	      this.name = t0;
  	    },
  	    Environment_setVariable_closure1: function Environment_setVariable_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    Environment__getFunctionFromGlobalModule_closure: function Environment__getFunctionFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    Environment__getMixinFromGlobalModule_closure: function Environment__getMixinFromGlobalModule_closure(t0) {
  	      this.name = t0;
  	    },
  	    Environment_toModule_closure: function Environment_toModule_closure() {
  	    },
  	    Environment_toDummyModule_closure: function Environment_toDummyModule_closure() {
  	    },
  	    _EnvironmentModule: function _EnvironmentModule(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) {
  	      var _ = this;
  	      _.upstream = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.extensionStore = t5;
  	      _.css = t6;
  	      _.preModuleComments = t7;
  	      _.transitivelyContainsCss = t8;
  	      _.transitivelyContainsExtensions = t9;
  	      _._environment$_environment = t10;
  	      _._modulesByVariable = t11;
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure: function _EnvironmentModule__EnvironmentModule_closure() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure0: function _EnvironmentModule__EnvironmentModule_closure0() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure1: function _EnvironmentModule__EnvironmentModule_closure1() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure2: function _EnvironmentModule__EnvironmentModule_closure2() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure3: function _EnvironmentModule__EnvironmentModule_closure3() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure4: function _EnvironmentModule__EnvironmentModule_closure4() {
  	    },
  	    _EnvironmentModule_couldHaveBeenConfigured_closure: function _EnvironmentModule_couldHaveBeenConfigured_closure(t0) {
  	      this.variables = t0;
  	    },
  	    SassException$(message, span, loadedUrls) {
  	      return new A.SassException(loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassException$(message, span, primaryLabel, secondarySpans, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassException(primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassRuntimeException$(message, span, trace, loadedUrls) {
  	      return new A.SassRuntimeException(trace, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassRuntimeException$(message, span, primaryLabel, secondarySpans, trace, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassRuntimeException(trace, primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassFormatException$(message, span, loadedUrls) {
  	      return new A.SassFormatException(loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassFormatException$(message, span, primaryLabel, secondarySpans, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassFormatException(primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassScriptException$(message, argumentName) {
  	      return new A.SassScriptException(argumentName == null ? message : "$" + argumentName + ": " + message);
  	    },
  	    MultiSpanSassScriptException$(message, primaryLabel, secondarySpans) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassScriptException(primaryLabel, t1, message);
  	    },
  	    SassException: function SassException(t0, t1, t2) {
  	      this.loadedUrls = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    MultiSpanSassException: function MultiSpanSassException(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.primaryLabel = t0;
  	      _.secondarySpans = t1;
  	      _.loadedUrls = t2;
  	      _._span_exception$_message = t3;
  	      _._span = t4;
  	    },
  	    SassRuntimeException: function SassRuntimeException(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.trace = t0;
  	      _.loadedUrls = t1;
  	      _._span_exception$_message = t2;
  	      _._span = t3;
  	    },
  	    MultiSpanSassRuntimeException: function MultiSpanSassRuntimeException(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.trace = t0;
  	      _.primaryLabel = t1;
  	      _.secondarySpans = t2;
  	      _.loadedUrls = t3;
  	      _._span_exception$_message = t4;
  	      _._span = t5;
  	    },
  	    SassFormatException: function SassFormatException(t0, t1, t2) {
  	      this.loadedUrls = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    MultiSpanSassFormatException: function MultiSpanSassFormatException(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.primaryLabel = t0;
  	      _.secondarySpans = t1;
  	      _.loadedUrls = t2;
  	      _._span_exception$_message = t3;
  	      _._span = t4;
  	    },
  	    SassScriptException: function SassScriptException(t0) {
  	      this.message = t0;
  	    },
  	    MultiSpanSassScriptException: function MultiSpanSassScriptException(t0, t1, t2) {
  	      this.primaryLabel = t0;
  	      this.secondarySpans = t1;
  	      this.message = t2;
  	    },
  	    compileStylesheet(options, graph, source, destination, ifModified) {
  	      return A.compileStylesheet$body(options, graph, source, destination, ifModified);
  	    },
  	    compileStylesheet$body(options, graph, source, destination, ifModified) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_int_and_String_and_nullable_String),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], error, stackTrace, message, error0, stackTrace0, path, message0, t1, $async$exception;
  	      var $async$compileStylesheet = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              $async$goto = 7;
  	              return A._asyncAwait(A._compileStylesheetWithoutErrorHandling(options, graph, source, destination, ifModified), $async$compileStylesheet);
  	            case 7:
  	              // returning from await.
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                if (destination != null && !options.get$emitErrorCss())
  	                  A._tryDelete(destination);
  	                message = J.toString$1$color$(error, options.get$color());
  	                if (A._asBool(options._options.$index(0, "trace"))) {
  	                  t1 = A.getTrace(error);
  	                  if (t1 == null)
  	                    t1 = stackTrace;
  	                } else
  	                  t1 = null;
  	                $async$returnValue = A._getErrorWithStackTrace(65, message, t1);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else if (t1 instanceof A.FileSystemException) {
  	                error0 = t1;
  	                stackTrace0 = A.getTraceFromException($async$exception);
  	                path = error0.path;
  	                message0 = path == null ? error0.message : "Error reading " + $.$get$context().relative$2$from(path, null) + ": " + error0.message + ".";
  	                if (A._asBool(options._options.$index(0, "trace"))) {
  	                  t1 = A.getTrace(error0);
  	                  if (t1 == null)
  	                    t1 = stackTrace0;
  	                } else
  	                  t1 = null;
  	                $async$returnValue = A._getErrorWithStackTrace(66, message0, t1);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else
  	                throw $async$exception;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileStylesheet, $async$completer);
  	    },
  	    _compileStylesheetWithoutErrorHandling(options, graph, source, destination, ifModified) {
  	      return A._compileStylesheetWithoutErrorHandling$body(options, graph, source, destination, ifModified);
  	    },
  	    _compileStylesheetWithoutErrorHandling$body(options, graph, source, destination, ifModified) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], syntax, result, importCache, error, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, result0, t11, t12, t13, t14, logger, stylesheet, _0_0, t0, css, buffer, sourceName, destinationName, nowStr, timestamp, importer, $async$exception;
  	      var $async$_compileStylesheetWithoutErrorHandling = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              importer = $.$get$FilesystemImporter_cwd();
  	              if (ifModified)
  	                try {
  	                  t1 = false;
  	                  if (source != null)
  	                    if (destination != null) {
  	                      t1 = A.absolute(source, null, null, null, null, null, null, null, null, null, null, null, null, null, null);
  	                      t1 = !graph.modifiedSince$3($.$get$context().toUri$1(t1), A.modificationTime(destination), importer);
  	                    }
  	                  if (t1) {
  	                    // goto return
  	                    $async$goto = 1;
  	                    break;
  	                  }
  	                } catch (exception) {
  	                  if (!(A.unwrapException(exception) instanceof A.FileSystemException))
  	                    throw exception;
  	                }
  	              syntax = null;
  	              if (A._asBoolQ(options._ifParsed$1("indented")) === true)
  	                syntax = B.Syntax_Sass_1_sass;
  	              else if (source != null)
  	                syntax = A.Syntax_forPath(source);
  	              else
  	                syntax = B.Syntax_SCSS_0_scss;
  	              result = null;
  	              $async$handler = 4;
  	              t1 = options._options;
  	              $async$goto = A._asBool(t1.$index(0, "async")) ? 7 : 9;
  	              break;
  	            case 7:
  	              // then
  	              t2 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl;
  	              t3 = type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport;
  	              t4 = type$.Uri;
  	              importCache = new A.AsyncImportCache(A.AsyncImportCache__toImporters(options.get$pkgImporters(), type$.List_String._as(t1.$index(0, "load-path")), null), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.nullable_Stylesheet), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.ImporterResult), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.DateTime));
  	              $async$goto = source == null ? 10 : 12;
  	              break;
  	            case 10:
  	              // then
  	              $async$goto = 13;
  	              return A._asyncAwait(A.readStdin(), $async$_compileStylesheetWithoutErrorHandling);
  	            case 13:
  	              // returning from await.
  	              t2 = $async$result;
  	              t3 = syntax;
  	              t4 = A._asBool(t1.$index(0, "quiet")) ? $.$get$Logger_quiet() : new A.StderrLogger(options.get$color());
  	              t5 = $.$get$FilesystemImporter_cwd();
  	              t6 = J.$eq$(t1.$index(0, "style"), "compressed") ? B.OutputStyle_1 : B.OutputStyle_0;
  	              t7 = A._asBool(t1.$index(0, "quiet-deps"));
  	              t8 = A._asBool(t1.$index(0, "verbose"));
  	              t9 = options.get$emitSourceMap();
  	              t1 = A._asBool(t1.$index(0, "charset"));
  	              t10 = options.get$silenceDeprecations(0);
  	              $async$goto = 14;
  	              return A._asyncAwait(A.compileStringAsync(t2, t1, options.get$fatalDeprecations(0), options.get$futureDeprecations(0), importCache, t5, t4, t7, t10, t9, t6, t3, t8), $async$_compileStylesheetWithoutErrorHandling);
  	            case 14:
  	              // returning from await.
  	              result0 = $async$result;
  	              // goto join
  	              $async$goto = 11;
  	              break;
  	            case 12:
  	              // else
  	              t2 = syntax;
  	              t3 = A._asBool(t1.$index(0, "quiet")) ? $.$get$Logger_quiet() : new A.StderrLogger(options.get$color());
  	              t4 = J.$eq$(t1.$index(0, "style"), "compressed") ? B.OutputStyle_1 : B.OutputStyle_0;
  	              t5 = A._asBool(t1.$index(0, "quiet-deps"));
  	              t6 = A._asBool(t1.$index(0, "verbose"));
  	              t7 = options.get$emitSourceMap();
  	              t1 = A._asBool(t1.$index(0, "charset"));
  	              t8 = options.get$silenceDeprecations(0);
  	              $async$goto = 15;
  	              return A._asyncAwait(A.compileAsync(source, t1, options.get$fatalDeprecations(0), options.get$futureDeprecations(0), importCache, t3, t5, t8, t7, t4, t2, t6), $async$_compileStylesheetWithoutErrorHandling);
  	            case 15:
  	              // returning from await.
  	              result0 = $async$result;
  	            case 11:
  	              // join
  	              result = result0;
  	              // goto join
  	              $async$goto = 8;
  	              break;
  	            case 9:
  	              // else
  	              graph.reloadAllModified$0();
  	              $async$goto = source == null ? 16 : 18;
  	              break;
  	            case 16:
  	              // then
  	              $async$goto = 19;
  	              return A._asyncAwait(A.readStdin(), $async$_compileStylesheetWithoutErrorHandling);
  	            case 19:
  	              // returning from await.
  	              t2 = $async$result;
  	              t3 = syntax;
  	              t4 = A._asBool(t1.$index(0, "quiet")) ? $.$get$Logger_quiet() : new A.StderrLogger(options.get$color());
  	              t5 = $.$get$FilesystemImporter_cwd();
  	              t6 = J.$eq$(t1.$index(0, "style"), "compressed") ? B.OutputStyle_1 : B.OutputStyle_0;
  	              t7 = A._asBool(t1.$index(0, "quiet-deps"));
  	              t8 = A._asBool(t1.$index(0, "verbose"));
  	              t9 = options.get$emitSourceMap();
  	              t1 = A._asBool(t1.$index(0, "charset"));
  	              t10 = options.get$silenceDeprecations(0);
  	              t11 = options.get$fatalDeprecations(0);
  	              t12 = options.get$futureDeprecations(0);
  	              t13 = type$.Deprecation;
  	              t14 = A.LinkedHashSet_LinkedHashSet$_empty(t13);
  	              t14.addAll$1(0, t10);
  	              t10 = A.LinkedHashSet_LinkedHashSet$_empty(t13);
  	              t10.addAll$1(0, t11);
  	              t11 = A.LinkedHashSet_LinkedHashSet$_empty(t13);
  	              t11.addAll$1(0, t12);
  	              logger = new A.DeprecationProcessingLogger(A.LinkedHashMap_LinkedHashMap$_empty(t13, type$.int), t4, t14, t10, t11, !t8);
  	              logger.validate$0();
  	              stylesheet = A.Stylesheet_Stylesheet$parse(t2, t3 == null ? B.Syntax_SCSS_0_scss : t3, false, null);
  	              t2 = stylesheet.span;
  	              _0_0 = t2.get$sourceUrl(t2);
  	              if (type$.Uri._is(_0_0))
  	                t3 = "" === _0_0.get$scheme();
  	              else
  	                t3 = false;
  	              if (t3)
  	                A.WarnForDeprecation_warnForDeprecation(logger, B.Deprecation_r8S, "Passing a relative `url` argument (" + A.S(t2.get$sourceUrl(t2)) + string$.x29x20to_cm, null, null);
  	              result0 = A._compileStylesheet(stylesheet, logger, graph.importCache, null, t5, null, t6, true, null, null, t7, t9, t1);
  	              logger.summarize$1$js(false);
  	              // goto join
  	              $async$goto = 17;
  	              break;
  	            case 18:
  	              // else
  	              t2 = syntax;
  	              t3 = A._asBool(t1.$index(0, "quiet")) ? $.$get$Logger_quiet() : new A.StderrLogger(options.get$color());
  	              importCache = graph.importCache;
  	              t4 = J.$eq$(t1.$index(0, "style"), "compressed") ? B.OutputStyle_1 : B.OutputStyle_0;
  	              t5 = A._asBool(t1.$index(0, "quiet-deps"));
  	              t6 = A._asBool(t1.$index(0, "verbose"));
  	              t7 = options.get$emitSourceMap();
  	              t1 = A._asBool(t1.$index(0, "charset"));
  	              t8 = options.get$silenceDeprecations(0);
  	              t9 = options.get$fatalDeprecations(0);
  	              t10 = options.get$futureDeprecations(0);
  	              t11 = type$.Deprecation;
  	              t12 = A.LinkedHashSet_LinkedHashSet$_empty(t11);
  	              t12.addAll$1(0, t8);
  	              t8 = A.LinkedHashSet_LinkedHashSet$_empty(t11);
  	              t8.addAll$1(0, t9);
  	              t9 = A.LinkedHashSet_LinkedHashSet$_empty(t11);
  	              t9.addAll$1(0, t10);
  	              logger = new A.DeprecationProcessingLogger(A.LinkedHashMap_LinkedHashMap$_empty(t11, type$.int), t3, t12, t8, t9, !t6);
  	              logger.validate$0();
  	              t3 = t2 == null || t2 === A.Syntax_forPath(source);
  	              if (t3) {
  	                t2 = $.$get$FilesystemImporter_cwd();
  	                t3 = A.isNodeJs() ? self.process : null;
  	                if (!J.$eq$(t3 == null ? null : J.get$platform$x(t3), "win32")) {
  	                  t3 = A.isNodeJs() ? self.process : null;
  	                  t3 = J.$eq$(t3 == null ? null : J.get$platform$x(t3), "darwin");
  	                } else
  	                  t3 = true;
  	                if (t3) {
  	                  t3 = A.absolute(source, null, null, null, null, null, null, null, null, null, null, null, null, null, null);
  	                  t6 = $.$get$context();
  	                  t3 = A._realCasePath(t6.normalize$1(t3));
  	                } else {
  	                  t3 = $.$get$context();
  	                  t6 = t3.canonicalize$1(0, source);
  	                  t0 = t6;
  	                  t6 = t3;
  	                  t3 = t0;
  	                }
  	                t6 = importCache.importCanonical$3$originalUrl(t2, t6.toUri$1(t3), t6.toUri$1(source));
  	                t6.toString;
  	                stylesheet = t6;
  	              } else {
  	                t3 = A.readFile(source);
  	                if (t2 == null)
  	                  t2 = A.Syntax_forPath(source);
  	                stylesheet = A.Stylesheet_Stylesheet$parse(t3, t2, false, $.$get$context().toUri$1(source));
  	              }
  	              result0 = A._compileStylesheet(stylesheet, logger, importCache, null, $.$get$FilesystemImporter_cwd(), null, t4, true, null, null, t5, t7, t1);
  	              logger.summarize$1$js(false);
  	            case 17:
  	              // join
  	              result = result0;
  	            case 8:
  	              // join
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException) {
  	                error = t1;
  	                if (options.get$emitErrorCss())
  	                  if (destination == null)
  	                    A.print(error.toCssString$0());
  	                  else {
  	                    A.ensureDir($.$get$context().dirname$1(destination));
  	                    A.writeFile(destination, error.toCssString$0() + "\n");
  	                  }
  	                throw $async$exception;
  	              } else
  	                throw $async$exception;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	              css = result._serialize._0 + A._writeSourceMap(options, result._serialize._1, destination);
  	              if (destination == null) {
  	                if (css.length !== 0)
  	                  A.print(css);
  	              } else {
  	                A.ensureDir($.$get$context().dirname$1(destination));
  	                A.writeFile(destination, css + "\n");
  	              }
  	              t1 = options._options;
  	              if (!A._asBool(t1.$index(0, "quiet")))
  	                t1 = !A._asBool(t1.$index(0, "update")) && !A._asBool(t1.$index(0, "watch"));
  	              else
  	                t1 = true;
  	              if (t1) {
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              buffer = new A.StringBuffer("");
  	              if (source == null)
  	                sourceName = "stdin";
  	              else {
  	                t1 = $.$get$context();
  	                sourceName = t1.prettyUri$1(t1.toUri$1(source));
  	              }
  	              destination.toString;
  	              t1 = $.$get$context();
  	              destinationName = t1.prettyUri$1(t1.toUri$1(destination));
  	              nowStr = new A.DateTime(Date.now(), 0, false).toString$0(0);
  	              timestamp = B.JSString_methods.substring$2(nowStr, 0, nowStr.length - 7);
  	              t1 = options.get$color() ? buffer._contents = "\x1b[90m" : "";
  	              t1 = buffer._contents = t1 + ("[" + timestamp + "] ");
  	              if (options.get$color())
  	                t1 = buffer._contents = t1 + "\x1b[32m";
  	              t1 = buffer._contents = t1 + ("Compiled " + sourceName + " to " + destinationName + ".");
  	              if (options.get$color())
  	                t1 = buffer._contents = t1 + "\x1b[0m";
  	              t2 = A.isNodeJs() ? self.process : null;
  	              if (t2 != null) {
  	                t1 = J.get$stdout$x(t2);
  	                J.write$1$x(t1, buffer.toString$0(0) + "\n");
  	              } else {
  	                t2 = self.console;
  	                J.log$1$x(t2, t1.charCodeAt(0) == 0 ? t1 : t1);
  	              }
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_compileStylesheetWithoutErrorHandling, $async$completer);
  	    },
  	    _writeSourceMap(options, sourceMap, destination) {
  	      var t1, sourceMapText, url, sourceMapPath, t2, escapedUrl;
  	      if (sourceMap == null)
  	        return "";
  	      if (destination != null) {
  	        t1 = $.$get$context();
  	        sourceMap.targetUrl = t1.toUri$1(A.ParsedPath_ParsedPath$parse(destination, t1.style).get$basename()).toString$0(0);
  	      }
  	      A.mapInPlace(sourceMap.urls, new A._writeSourceMap_closure(options, destination));
  	      t1 = options._options;
  	      sourceMapText = B.C_JsonCodec.encode$2$toEncodable(sourceMap.toJson$1$includeSourceContents(A._asBool(t1.$index(0, "embed-sources"))), null);
  	      if (A._asBool(t1.$index(0, "embed-source-map")))
  	        url = A.Uri_Uri$dataFromString(sourceMapText, B.C_Utf8Codec, "application/json");
  	      else {
  	        destination.toString;
  	        sourceMapPath = destination + ".map";
  	        t2 = $.$get$context();
  	        A.ensureDir(t2.dirname$1(sourceMapPath));
  	        A.writeFile(sourceMapPath, sourceMapText);
  	        url = t2.toUri$1(t2.relative$2$from(sourceMapPath, t2.dirname$1(destination)));
  	      }
  	      t2 = url.toString$0(0);
  	      escapedUrl = A.stringReplaceAllUnchecked(t2, "*/", "%2A/");
  	      t1 = (J.$eq$(t1.$index(0, "style"), "compressed") ? B.OutputStyle_1 : B.OutputStyle_0) === B.OutputStyle_1 ? "" : "\n\n";
  	      return t1 + ("/*# sourceMappingURL=" + escapedUrl + " */");
  	    },
  	    _tryDelete(path) {
  	      try {
  	        A.deleteFile(path);
  	      } catch (exception) {
  	        if (!(A.unwrapException(exception) instanceof A.FileSystemException))
  	          throw exception;
  	      }
  	    },
  	    _getErrorWithStackTrace(exitCode, error, stackTrace) {
  	      return new A._Record_3(exitCode, error, stackTrace != null ? B.JSString_methods.trimRight$0(A.Trace_Trace$from(stackTrace).get$terse().toString$0(0)) : null);
  	    },
  	    _writeSourceMap_closure: function _writeSourceMap_closure(t0, t1) {
  	      this.options = t0;
  	      this.destination = t1;
  	    },
  	    ExecutableOptions__separator(text) {
  	      var t1 = $.$get$ExecutableOptions__separatorBar(),
  	        t2 = B.JSString_methods.$mul(t1, 3),
  	        t3 = A.hasTerminal() ? "\x1b[1m" : "",
  	        t4 = A.hasTerminal() ? "\x1b[0m" : "";
  	      return t2 + " " + t3 + text + t4 + " " + B.JSString_methods.$mul(t1, 35 - text.length);
  	    },
  	    ExecutableOptions__fail(message) {
  	      return A.throwExpression(A.UsageException$(message));
  	    },
  	    ExecutableOptions_ExecutableOptions$parse(args) {
  	      var options, error, t1, t2;
  	      try {
  	        t1 = $.$get$ExecutableOptions__parser();
  	        t2 = A.ListQueue$(type$.String);
  	        t2.addAll$1(0, args);
  	        t2 = A.Parser$(null, t1, t2, null, null).parse$0(0);
  	        if (t2.wasParsed$1("poll") && !A._asBool(t2.$index(0, "watch")))
  	          A.ExecutableOptions__fail("--poll may not be passed without --watch.");
  	        options = new A.ExecutableOptions(t2);
  	        if (A._asBool(options._options.$index(0, "help")))
  	          A.ExecutableOptions__fail("Compile Sass to CSS.");
  	        return options;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.FormatException._is(t1)) {
  	          error = t1;
  	          A.ExecutableOptions__fail(J.get$message$x(error));
  	        } else
  	          throw exception;
  	      }
  	    },
  	    UsageException$(message) {
  	      return new A.UsageException(message);
  	    },
  	    ExecutableOptions: function ExecutableOptions(t0) {
  	      var _ = this;
  	      _._options = t0;
  	      _.__ExecutableOptions_interactive_FI = $;
  	      _._sourcesToDestinations = null;
  	      _.__ExecutableOptions__sourceDirectoriesToDestinations_F = $;
  	      _._fatalDeprecations = null;
  	    },
  	    ExecutableOptions__parser_closure: function ExecutableOptions__parser_closure() {
  	    },
  	    ExecutableOptions_interactive_closure: function ExecutableOptions_interactive_closure(t0) {
  	      this.$this = t0;
  	    },
  	    ExecutableOptions_emitErrorCss_closure: function ExecutableOptions_emitErrorCss_closure() {
  	    },
  	    ExecutableOptions_fatalDeprecations_closure: function ExecutableOptions_fatalDeprecations_closure(t0) {
  	      this.$this = t0;
  	    },
  	    UsageException: function UsageException(t0) {
  	      this.message = t0;
  	    },
  	    repl(options) {
  	      return A.repl$body(options);
  	    },
  	    repl$body(options) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$handler = 1, $async$errorStack = [], $async$next = [], repl, trackingLogger, warn, evaluator, line, node, warnings, _1_0, node0, warnings0, _2_0, node1, warnings1, _3_0, error, stackTrace, logger, t4, t5, t6, t7, t8, t9, line0, toZone, t1, t2, t3, repl0;
  	      var $async$repl = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = A._setArrayType([], type$.JSArray_String);
  	              t2 = B.JSString_methods.$mul(" ", 3);
  	              t3 = $.$get$alwaysValid();
  	              repl0 = new A.Repl(">> ", t2, t3, t1);
  	              repl0.__Repl__adapter_A = new A.ReplAdapter(repl0);
  	              repl = repl0;
  	              t1 = options._options;
  	              trackingLogger = new A.TrackingLogger(A._asBool(t1.$index(0, "quiet")) ? $.$get$Logger_quiet() : new A.StderrLogger(options.get$color()));
  	              logger = new A.DeprecationProcessingLogger(A.LinkedHashMap_LinkedHashMap$_empty(type$.Deprecation, type$.int), trackingLogger, options.get$silenceDeprecations(0), options.get$fatalDeprecations(0), options.get$futureDeprecations(0), !A._asBool(t1.$index(0, "verbose")));
  	              logger.validate$0();
  	              warn = new A.repl_warn(logger);
  	              t2 = $.$get$FilesystemImporter_cwd();
  	              evaluator = new A.Evaluator(A._EvaluateVisitor$(null, A.ImportCache$(options.get$pkgImporters(), type$.List_String._as(t1.$index(0, "load-path"))), logger, null, false, false), t2);
  	              t2 = repl.__Repl__adapter_A;
  	              t2 === $ && A.throwUnnamedLateFieldNI();
  	              t2 = new A._StreamIterator(A.checkNotNullable(t2.runAsync$0(), "stream", type$.Object));
  	              $async$handler = 2;
  	              t1 = type$.String, t3 = type$.FileSpan, t4 = type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span, t5 = type$.Expression;
  	            case 5:
  	              // for condition
  	              $async$goto = 7;
  	              return A._asyncAwait(t2.moveNext$0(), $async$repl);
  	            case 7:
  	              // returning from await.
  	              if (!$async$result) {
  	                // goto after for
  	                $async$goto = 6;
  	                break;
  	              }
  	              line = t2.get$current(0);
  	              if (J.trim$0$s(line).length === 0) {
  	                // goto for condition
  	                $async$goto = 5;
  	                break;
  	              }
  	              try {
  	                if (J.startsWith$1$s(line, "@")) {
  	                  node = null;
  	                  warnings = null;
  	                  _1_0 = new A.ScssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A._setArrayType([], t4), A.SpanScanner$(line, null), null).parseUseRule$0();
  	                  node = _1_0._0;
  	                  warnings = _1_0._1;
  	                  J.forEach$1$ax(warnings, warn);
  	                  t6 = evaluator;
  	                  t7 = node;
  	                  t6._visitor.runStatement$2(t6._importer, t7);
  	                  // goto for condition
  	                  $async$goto = 5;
  	                  break;
  	                }
  	                if (new A.Parser(A.SpanScanner$(line, null), null)._isVariableDeclarationLike$0()) {
  	                  node0 = null;
  	                  warnings0 = null;
  	                  _2_0 = new A.ScssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A._setArrayType([], t4), A.SpanScanner$(line, null), null).parseVariableDeclaration$0();
  	                  node0 = _2_0._0;
  	                  warnings0 = _2_0._1;
  	                  J.forEach$1$ax(warnings0, warn);
  	                  t6 = evaluator;
  	                  t7 = node0;
  	                  t6._visitor.runStatement$2(t6._importer, t7);
  	                  t7 = evaluator;
  	                  t6 = node0.name;
  	                  t8 = node0.span;
  	                  t9 = node0.namespace;
  	                  line0 = t7._visitor.runExpression$2(t7._importer, new A.VariableExpression(t9, t6, t8)).toString$0(0);
  	                  toZone = $.printToZone;
  	                  if (toZone == null)
  	                    A.printString(line0);
  	                  else
  	                    toZone.call$1(line0);
  	                } else {
  	                  node1 = null;
  	                  warnings1 = null;
  	                  t6 = A._setArrayType([], t4);
  	                  t7 = new A.ScssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), t6, A.SpanScanner$(line, null), null);
  	                  _3_0 = new A._Record_2(t7._parseSingleProduction$1$1(t7.get$_expression(), t5), t6);
  	                  node1 = _3_0._0;
  	                  warnings1 = _3_0._1;
  	                  J.forEach$1$ax(warnings1, warn);
  	                  t6 = evaluator;
  	                  t7 = node1;
  	                  line0 = t6._visitor.runExpression$2(t6._importer, t7).toString$0(0);
  	                  toZone = $.printToZone;
  	                  if (toZone == null)
  	                    A.printString(line0);
  	                  else
  	                    toZone.call$1(line0);
  	                }
  	              } catch (exception) {
  	                t6 = A.unwrapException(exception);
  	                if (t6 instanceof A.SassException) {
  	                  error = t6;
  	                  stackTrace = A.getTraceFromException(exception);
  	                  t6 = error;
  	                  t7 = typeof t6 != "string";
  	                  if (!t7 || typeof t6 == "number" || A._isBool(t6))
  	                    t6 = null;
  	                  else {
  	                    t8 = $.$get$_traces();
  	                    if (A._isBool(t6) || typeof t6 == "number" || !t7 || t6 instanceof A._Record)
  	                      A.Expando__badExpandoKey(t6);
  	                    t6 = t8._jsWeakMap.get(t6);
  	                  }
  	                  if (t6 == null)
  	                    t6 = stackTrace;
  	                  A._logError(error, t6, line, repl, options, trackingLogger);
  	                } else
  	                  throw exception;
  	              }
  	              // goto for condition
  	              $async$goto = 5;
  	              break;
  	            case 6:
  	              // after for
  	              $async$next.push(4);
  	              // goto finally
  	              $async$goto = 3;
  	              break;
  	            case 2:
  	              // uncaught
  	              $async$next = [1];
  	            case 3:
  	              // finally
  	              $async$handler = 1;
  	              $async$goto = 8;
  	              return A._asyncAwait(t2.cancel$0(), $async$repl);
  	            case 8:
  	              // returning from await.
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 4:
  	              // after finally
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	            case 1:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$repl, $async$completer);
  	    },
  	    _logError(error, stackTrace, line, repl, options, logger) {
  	      var t2, spacesBeforeError, t3,
  	        t1 = A.SourceSpanException.prototype.get$span.call(error, 0);
  	      if (t1.get$sourceUrl(t1) == null)
  	        if (!A._asBool(options._options.$index(0, "quiet")))
  	          t1 = logger._emittedDebug || logger._emittedWarning;
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      if (t1) {
  	        A.print(error.toString$1$color(0, options.get$color()));
  	        return;
  	      }
  	      t1 = options.get$color() ? "\x1b[31m" : "";
  	      t2 = A.SourceSpanException.prototype.get$span.call(error, 0);
  	      t2 = t2.get$start(t2);
  	      spacesBeforeError = repl.prompt.length + t2.file.getColumn$1(t2.offset);
  	      if (options.get$color()) {
  	        t2 = A.SourceSpanException.prototype.get$span.call(error, 0);
  	        t2 = t2.get$start(t2);
  	        t2 = t2.file.getColumn$1(t2.offset) < line.length;
  	      } else
  	        t2 = false;
  	      if (t2)
  	        t1 = t1 + ("\x1b[1F\x1b[" + spacesBeforeError + "C") + (A.SourceSpanException.prototype.get$span.call(error, 0).get$text() + "\n");
  	      t2 = B.JSString_methods.$mul(" ", spacesBeforeError);
  	      t3 = A.SourceSpanException.prototype.get$span.call(error, 0);
  	      t3 = t1 + t2 + (B.JSString_methods.$mul("^", Math.max(1, t3.get$length(t3))) + "\n");
  	      t1 = options.get$color() ? t3 + "\x1b[0m" : t3;
  	      t1 += "Error: " + error._span_exception$_message + "\n";
  	      if (A._asBool(options._options.$index(0, "trace")))
  	        t1 += A.Trace_Trace$from(stackTrace).get$terse().toString$0(0);
  	      A.print(B.JSString_methods.trimRight$0(t1.charCodeAt(0) == 0 ? t1 : t1));
  	    },
  	    repl_warn: function repl_warn(t0) {
  	      this.logger = t0;
  	    },
  	    watch(options, graph) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, t1, t2, t3, t4, t5, t6, dirWatcher, sourcesToDestinations, t7, t8, t0;
  	      var $async$watch = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              options._ensureSources$0();
  	              t1 = options.__ExecutableOptions__sourceDirectoriesToDestinations_F;
  	              t1 === $ && A.throwUnnamedLateFieldNI();
  	              t2 = type$.String;
  	              t1 = t1.cast$2$0(0, t2, t2);
  	              t1 = A.List_List$_of(t1.get$keys(t1), t2);
  	              for (options._ensureSources$0(), t3 = options._sourcesToDestinations.cast$2$0(0, t2, t2), t3 = t3.get$keys(t3), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	                t4 = t3.get$current(t3);
  	                t1.push($.$get$context().dirname$1(t4));
  	              }
  	              t3 = options._options;
  	              B.JSArray_methods.addAll$1(t1, type$.List_String._as(t3.$index(0, "load-path")));
  	              t4 = A._asBool(t3.$index(0, "poll"));
  	              t5 = type$.Stream_WatchEvent;
  	              t6 = A.PathMap__create(null, t5);
  	              t5 = new A.StreamGroup(B._StreamGroupState_dormant, A.LinkedHashMap_LinkedHashMap$_empty(t5, type$.nullable_StreamSubscription_WatchEvent), type$.StreamGroup_WatchEvent);
  	              t5.__StreamGroup__controller_A = A.StreamController_StreamController(t5.get$_onCancel(), t5.get$_onListen(), t5.get$_onPause(), t5.get$_onResume(), true, type$.WatchEvent);
  	              dirWatcher = new A.MultiDirWatcher(new A.PathMap(t6, type$.PathMap_Stream_WatchEvent), t5, t4);
  	              $async$goto = 3;
  	              return A._asyncAwait(A.Future_wait(new A.MappedListIterable(t1, new A.watch_closure(dirWatcher), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Future<~>>")), false, type$.void), $async$watch);
  	            case 3:
  	              // returning from await.
  	              options._ensureSources$0();
  	              sourcesToDestinations = options._sourcesToDestinations.cast$2$0(0, t2, t2);
  	              for (t1 = sourcesToDestinations.get$keys(sourcesToDestinations), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	                t4 = t1.get$current(t1);
  	                t6 = $.$get$FilesystemImporter_cwd();
  	                t7 = self.process;
  	                if (t7 == null)
  	                  t7 = null;
  	                else {
  	                  t7 = J.get$release$x(t7);
  	                  t7 = t7 == null ? null : J.get$name$x(t7);
  	                }
  	                t7 = J.$eq$(t7, "node") ? self.process : null;
  	                if (!J.$eq$(t7 == null ? null : J.get$platform$x(t7), "win32")) {
  	                  t7 = self.process;
  	                  if (t7 == null)
  	                    t7 = null;
  	                  else {
  	                    t7 = J.get$release$x(t7);
  	                    t7 = t7 == null ? null : J.get$name$x(t7);
  	                  }
  	                  t7 = J.$eq$(t7, "node") ? self.process : null;
  	                  t7 = J.$eq$(t7 == null ? null : J.get$platform$x(t7), "darwin");
  	                } else
  	                  t7 = true;
  	                if (t7) {
  	                  t7 = $.$get$context();
  	                  t8 = A._realCasePath(t7.normalize$1(t7.absolute$15(t4, null, null, null, null, null, null, null, null, null, null, null, null, null, null)));
  	                  t0 = t8;
  	                  t8 = t7;
  	                  t7 = t0;
  	                } else {
  	                  t7 = $.$get$context();
  	                  t8 = t7.canonicalize$1(0, t4);
  	                  t0 = t8;
  	                  t8 = t7;
  	                  t7 = t0;
  	                }
  	                graph.addCanonical$4$recanonicalize(t6, t8.toUri$1(t7), t8.toUri$1(t4), false);
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(A.compileStylesheets(options, graph, sourcesToDestinations, true), $async$watch);
  	            case 4:
  	              // returning from await.
  	              if (!$async$result && A._asBool(t3.$index(0, "stop-on-error"))) {
  	                t1 = t5.__StreamGroup__controller_A;
  	                new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$1(0, null).cancel$0();
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              A.print("Sass is watching for changes. Press Ctrl-C to stop.\n");
  	              $async$goto = 5;
  	              return A._asyncAwait(new A._Watcher(options, graph, A.LinkedHashMap_LinkedHashMap$_empty(t2, t2)).watch$1(0, dirWatcher), $async$watch);
  	            case 5:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$watch, $async$completer);
  	    },
  	    watch_closure: function watch_closure(t0) {
  	      this.dirWatcher = t0;
  	    },
  	    _Watcher: function _Watcher(t0, t1, t2) {
  	      this._watch$_options = t0;
  	      this._graph = t1;
  	      this._toRecompile = t2;
  	    },
  	    _Watcher__debounceEvents_closure: function _Watcher__debounceEvents_closure() {
  	    },
  	    EmptyExtensionStore: function EmptyExtensionStore() {
  	    },
  	    Extension: function Extension(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.extender = t0;
  	      _.target = t1;
  	      _.mediaContext = t2;
  	      _.isOptional = t3;
  	      _.span = t4;
  	    },
  	    Extender: function Extender(t0, t1) {
  	      this.selector = t0;
  	      this.isOriginal = t1;
  	      this._extension = null;
  	    },
  	    ExtensionStore__extendOrReplace(selector, source, targets, mode, span) {
  	      var t1, t2, t3, t4, t5, t6, t7, t8, _i, complex, compound, t9, t10, t11, _i0, simple, t12, _i1, t13, t14,
  	        extender = A.ExtensionStore$_mode(mode);
  	      if (!selector.accept$1(B._IsInvisibleVisitor_true))
  	        extender._originals.addAll$1(0, selector.components);
  	      for (t1 = targets.components, t2 = t1.length, t3 = source.components, t4 = t3.length, t5 = type$.ComplexSelector, t6 = type$.Extension, t7 = type$.SimpleSelector, t8 = type$.Map_ComplexSelector_Extension, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        compound = complex.get$singleCompound();
  	        if (compound == null)
  	          throw A.wrapException(A.SassScriptException$("Can't extend complex selector " + complex.toString$0(0) + ".", null));
  	        t9 = A.LinkedHashMap_LinkedHashMap$_empty(t7, t8);
  	        for (t10 = compound.components, t11 = t10.length, _i0 = 0; _i0 < t11; ++_i0) {
  	          simple = t10[_i0];
  	          t12 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t6);
  	          for (_i1 = 0; _i1 < t4; ++_i1) {
  	            complex = t3[_i1];
  	            complex.get$specificity();
  	            t13 = new A.Extender(complex, false);
  	            t14 = new A.Extension(t13, simple, null, true, span);
  	            t13._extension = t14;
  	            t12.$indexSet(0, complex, t14);
  	          }
  	          t9.$indexSet(0, simple, t12);
  	        }
  	        selector = extender._extendList$2(selector, t9);
  	      }
  	      return selector;
  	    },
  	    ExtensionStore$() {
  	      var t1 = type$.SimpleSelector;
  	      return new A.ExtensionStore(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Map_ComplexSelector_Extension), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.List_Extension), A.LinkedHashMap_LinkedHashMap$_empty(type$.ModifiableBox_SelectorList, type$.List_CssMediaQuery), new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int), new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector), B.ExtendMode_normal_0_normal);
  	    },
  	    ExtensionStore$_mode(_mode) {
  	      var t1 = type$.SimpleSelector;
  	      return new A.ExtensionStore(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Map_ComplexSelector_Extension), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.List_Extension), A.LinkedHashMap_LinkedHashMap$_empty(type$.ModifiableBox_SelectorList, type$.List_CssMediaQuery), new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int), new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector), _mode);
  	    },
  	    ExtensionStore: function ExtensionStore(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._selectors = t0;
  	      _._extensions = t1;
  	      _._extensionsByExtender = t2;
  	      _._mediaContexts = t3;
  	      _._sourceSpecificity = t4;
  	      _._originals = t5;
  	      _._mode = t6;
  	    },
  	    ExtensionStore_extensionsWhereTarget_closure: function ExtensionStore_extensionsWhereTarget_closure() {
  	    },
  	    ExtensionStore__registerSelector_closure: function ExtensionStore__registerSelector_closure() {
  	    },
  	    ExtensionStore_addExtension_closure: function ExtensionStore_addExtension_closure() {
  	    },
  	    ExtensionStore_addExtension_closure0: function ExtensionStore_addExtension_closure0() {
  	    },
  	    ExtensionStore_addExtension_closure1: function ExtensionStore_addExtension_closure1(t0) {
  	      this.complex = t0;
  	    },
  	    ExtensionStore__extendExistingExtensions_closure: function ExtensionStore__extendExistingExtensions_closure() {
  	    },
  	    ExtensionStore__extendExistingExtensions_closure0: function ExtensionStore__extendExistingExtensions_closure0() {
  	    },
  	    ExtensionStore_addExtensions_closure: function ExtensionStore_addExtensions_closure() {
  	    },
  	    ExtensionStore__extendComplex_closure: function ExtensionStore__extendComplex_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.complex = t2;
  	    },
  	    ExtensionStore__extendComplex__closure: function ExtensionStore__extendComplex__closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.complex = t2;
  	    },
  	    ExtensionStore__extendCompound_closure: function ExtensionStore__extendCompound_closure() {
  	    },
  	    ExtensionStore__extendCompound_closure0: function ExtensionStore__extendCompound_closure0() {
  	    },
  	    ExtensionStore__extendCompound_closure1: function ExtensionStore__extendCompound_closure1(t0) {
  	      this.original = t0;
  	    },
  	    ExtensionStore__extendSimple_withoutPseudo: function ExtensionStore__extendSimple_withoutPseudo(t0, t1, t2) {
  	      this.$this = t0;
  	      this.extensions = t1;
  	      this.targetsUsed = t2;
  	    },
  	    ExtensionStore__extendSimple_closure: function ExtensionStore__extendSimple_closure(t0, t1) {
  	      this.$this = t0;
  	      this.withoutPseudo = t1;
  	    },
  	    ExtensionStore__extendSimple_closure0: function ExtensionStore__extendSimple_closure0() {
  	    },
  	    ExtensionStore__extendPseudo_closure: function ExtensionStore__extendPseudo_closure() {
  	    },
  	    ExtensionStore__extendPseudo_closure0: function ExtensionStore__extendPseudo_closure0() {
  	    },
  	    ExtensionStore__extendPseudo_closure1: function ExtensionStore__extendPseudo_closure1() {
  	    },
  	    ExtensionStore__extendPseudo_closure2: function ExtensionStore__extendPseudo_closure2(t0) {
  	      this.pseudo = t0;
  	    },
  	    ExtensionStore__extendPseudo_closure3: function ExtensionStore__extendPseudo_closure3(t0, t1) {
  	      this.pseudo = t0;
  	      this.selector = t1;
  	    },
  	    ExtensionStore__trim_closure: function ExtensionStore__trim_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.complex1 = t1;
  	    },
  	    ExtensionStore__trim_closure0: function ExtensionStore__trim_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.complex1 = t1;
  	    },
  	    ExtensionStore_clone_closure: function ExtensionStore_clone_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.newSelectors = t1;
  	      _.newBoxes = t2;
  	      _.oldToNewSelectors = t3;
  	      _.newMediaContexts = t4;
  	    },
  	    ExtensionStore_clone__closure: function ExtensionStore_clone__closure(t0) {
  	      this.selector = t0;
  	    },
  	    unifyComplex(complexes, span) {
  	      var t2, trailingCombinator, leadingCombinator, unifiedBase, t3, t4, _0_6_isSet, _0_6, t5, newLeadingCombinator, base, _1_1, newTrailingCombinator, unifiedBase0, t6, t7, t8, _null = null,
  	        t1 = J.getInterceptor$asx(complexes);
  	      if (t1.get$length(complexes) === 1)
  	        return complexes;
  	      for (t2 = t1.get$iterator(complexes), trailingCombinator = _null, leadingCombinator = trailingCombinator, unifiedBase = leadingCombinator; t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.accept$1(B.C__IsUselessVisitor))
  	          return _null;
  	        t4 = t3.components;
  	        _0_6_isSet = t4.length === 1;
  	        if (_0_6_isSet) {
  	          _0_6 = t3.leadingCombinators;
  	          t5 = _0_6.length === 1;
  	        } else {
  	          _0_6 = _null;
  	          t5 = false;
  	        }
  	        if (t5) {
  	          newLeadingCombinator = (_0_6_isSet ? _0_6 : t3.leadingCombinators)[0];
  	          if (leadingCombinator == null)
  	            leadingCombinator = newLeadingCombinator;
  	          else if (!(leadingCombinator.$ti._is(newLeadingCombinator) && J.$eq$(newLeadingCombinator.value, leadingCombinator.value)))
  	            return _null;
  	        }
  	        base = B.JSArray_methods.get$last(t4);
  	        _1_1 = base.combinators;
  	        if (_1_1.length === 1) {
  	          newTrailingCombinator = _1_1[0];
  	          if (trailingCombinator != null)
  	            t3 = !(trailingCombinator.$ti._is(newTrailingCombinator) && J.$eq$(newTrailingCombinator.value, trailingCombinator.value));
  	          else
  	            t3 = false;
  	          if (t3)
  	            return _null;
  	          trailingCombinator = newTrailingCombinator;
  	        }
  	        unifiedBase0 = base.selector;
  	        if (unifiedBase == null)
  	          unifiedBase = unifiedBase0;
  	        else {
  	          unifiedBase = A.unifyCompound(unifiedBase, unifiedBase0);
  	          if (unifiedBase == null)
  	            return _null;
  	        }
  	      }
  	      t2 = type$.JSArray_ComplexSelector;
  	      t3 = A._setArrayType([], t2);
  	      for (t4 = t1.get$iterator(complexes); t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t6 = t5.components;
  	        t7 = t6.length;
  	        if (t7 > 1) {
  	          t8 = t5.leadingCombinators;
  	          t3.push(A.ComplexSelector$(t8, B.JSArray_methods.take$1(t6, t7 - 1), t5.span, t5.lineBreak));
  	        }
  	      }
  	      t4 = leadingCombinator == null ? B.List_empty0 : A._setArrayType([leadingCombinator], type$.JSArray_CssValue_Combinator);
  	      unifiedBase.toString;
  	      t5 = trailingCombinator == null ? B.List_empty0 : A._setArrayType([trailingCombinator], type$.JSArray_CssValue_Combinator);
  	      base = A.ComplexSelector$(t4, A._setArrayType([new A.ComplexSelectorComponent(unifiedBase, A.List_List$unmodifiable(t5, type$.CssValue_Combinator), span)], type$.JSArray_ComplexSelectorComponent), span, t1.any$1(complexes, new A.unifyComplex_closure()));
  	      if (t3.length === 0)
  	        t1 = A._setArrayType([base], t2);
  	      else {
  	        t1 = A.List_List$_of(A.IterableExtension_get_exceptLast(t3), type$.ComplexSelector);
  	        t1.push(B.JSArray_methods.get$last(t3).concatenate$2(base, span));
  	      }
  	      return A.weave(t1, span, false);
  	    },
  	    unifyCompound(compound1, compound2) {
  	      var t1, t2, pseudoElementFound, _i, simple, unified,
  	        result = compound1.components,
  	        pseudoResult = A._setArrayType([], type$.JSArray_SimpleSelector);
  	      for (t1 = compound2.components, t2 = t1.length, pseudoElementFound = false, _i = 0; _i < t2; ++_i) {
  	        simple = t1[_i];
  	        if (pseudoElementFound && simple instanceof A.PseudoSelector) {
  	          unified = simple.unify$1(pseudoResult);
  	          if (unified == null)
  	            return null;
  	          pseudoResult = unified;
  	        } else {
  	          pseudoElementFound = B.JSBool_methods.$or(pseudoElementFound, simple instanceof A.PseudoSelector && !simple.isClass);
  	          unified = simple.unify$1(result);
  	          if (unified == null)
  	            return null;
  	          result = unified;
  	        }
  	      }
  	      t1 = A.List_List$_of(result, type$.SimpleSelector);
  	      B.JSArray_methods.addAll$1(t1, pseudoResult);
  	      return A.CompoundSelector$(t1, compound1.span);
  	    },
  	    unifyUniversalAndElement(selector1, selector2) {
  	      var namespace, $name, t1,
  	        _0_0 = A._namespaceAndName(selector1, "selector1"),
  	        namespace1 = _0_0._0,
  	        name1 = _0_0._1,
  	        _1_0 = A._namespaceAndName(selector2, "selector2"),
  	        namespace2 = _1_0._0,
  	        name2 = _1_0._1;
  	      if (namespace1 == namespace2 || namespace2 === "*")
  	        namespace = namespace1;
  	      else {
  	        if (namespace1 !== "*")
  	          return null;
  	        namespace = namespace2;
  	      }
  	      if (name1 == name2 || name2 == null)
  	        $name = name1;
  	      else {
  	        if (!(name1 == null || name1 === "*"))
  	          return null;
  	        $name = name2;
  	      }
  	      t1 = selector1.span;
  	      return $name == null ? new A.UniversalSelector(namespace, t1) : new A.TypeSelector(new A.QualifiedName($name, namespace), t1);
  	    },
  	    _namespaceAndName(selector, $name) {
  	      var t1, _0_4;
  	      $label0$0: {
  	        if (selector instanceof A.UniversalSelector) {
  	          t1 = new A._Record_2(selector.namespace, null);
  	          break $label0$0;
  	        }
  	        if (selector instanceof A.TypeSelector) {
  	          _0_4 = selector.name;
  	          t1 = new A._Record_2(_0_4.namespace, _0_4.name);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$value(selector, $name, string$.must_b));
  	      }
  	      return t1;
  	    },
  	    weave(complexes, span, forceLineBreak) {
  	      var complex, t2, prefixes, t3, t4, t5, t6, i, t7, t8, _i, t9, t10, _i0, parentPrefix, t11, t12,
  	        t1 = J.getInterceptor$asx(complexes);
  	      if (t1.get$length(complexes) === 1) {
  	        complex = t1.$index(complexes, 0);
  	        if (!forceLineBreak || complex.lineBreak)
  	          return complexes;
  	        return A._setArrayType([A.ComplexSelector$(complex.leadingCombinators, complex.components, complex.span, true)], type$.JSArray_ComplexSelector);
  	      }
  	      t2 = type$.JSArray_ComplexSelector;
  	      prefixes = A._setArrayType([t1.get$first(complexes)], t2);
  	      for (t1 = t1.skip$1(complexes, 1), t3 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t3._eval$1("ListIterator<ListIterable.E>")), t4 = type$.ComplexSelectorComponent, t3 = t3._eval$1("ListIterable.E"); t1.moveNext$0();) {
  	        t5 = t1.__internal$_current;
  	        if (t5 == null)
  	          t5 = t3._as(t5);
  	        t6 = t5.components;
  	        if (t6.length === 1) {
  	          for (i = 0; i < prefixes.length; ++i)
  	            prefixes[i] = prefixes[i].concatenate$3$forceLineBreak(t5, span, forceLineBreak);
  	          continue;
  	        }
  	        t7 = A._setArrayType([], t2);
  	        for (t8 = prefixes.length, _i = 0; _i < prefixes.length; prefixes.length === t8 || (0, A.throwConcurrentModificationError)(prefixes), ++_i) {
  	          t9 = A._weaveParents(prefixes[_i], t5, span);
  	          if (t9 == null)
  	            t9 = B.List_empty1;
  	          t10 = t9.length;
  	          _i0 = 0;
  	          for (; _i0 < t9.length; t9.length === t10 || (0, A.throwConcurrentModificationError)(t9), ++_i0) {
  	            parentPrefix = t9[_i0];
  	            t11 = B.JSArray_methods.get$last(t6);
  	            t12 = A.List_List$_of(parentPrefix.components, t4);
  	            t12.push(t11);
  	            t11 = parentPrefix.lineBreak || forceLineBreak;
  	            t7.push(A.ComplexSelector$(parentPrefix.leadingCombinators, t12, span, t11));
  	          }
  	        }
  	        prefixes = t7;
  	      }
  	      return prefixes;
  	    },
  	    _weaveParents(prefix, base, span) {
  	      var t1, queue1, queue2, trailingCombinators, _0_1, _0_3, _0_3_isSet, rootish2, t2, rootish1, _0_30, rootish, t3, t0, rootish_case_1, groups1, groups2, lcs, choices, t4, _i, group, t5, t6, t7, _i0, chunk, t8, t9, _null = null,
  	        leadingCombinators = A._mergeLeadingCombinators(prefix.leadingCombinators, base.leadingCombinators);
  	      if (leadingCombinators == null)
  	        return _null;
  	      t1 = type$.ComplexSelectorComponent;
  	      queue1 = A.QueueList_QueueList$from(prefix.components, t1);
  	      queue2 = A.QueueList_QueueList$from(A.IterableExtension_get_exceptLast(base.components), t1);
  	      trailingCombinators = A._mergeTrailingCombinators(queue1, queue2, span, _null);
  	      if (trailingCombinators == null)
  	        return _null;
  	      $label0$0: {
  	        _0_1 = A._firstIfRootish(queue1);
  	        _0_3 = A._firstIfRootish(queue2);
  	        _0_3_isSet = _0_1 != null;
  	        rootish2 = _null;
  	        t2 = false;
  	        if (_0_3_isSet) {
  	          t2 = _0_3 != null;
  	          if (t2)
  	            rootish2 = _0_3;
  	          rootish1 = _0_1;
  	          _0_30 = _0_3;
  	        } else {
  	          rootish1 = _null;
  	          _0_30 = rootish1;
  	        }
  	        if (t2) {
  	          rootish = A.unifyCompound(rootish1.selector, rootish2.selector);
  	          if (rootish == null)
  	            return _null;
  	          t1 = rootish1.combinators;
  	          t2 = rootish1.span;
  	          t3 = type$.CssValue_Combinator;
  	          queue1.addFirst$1(new A.ComplexSelectorComponent(rootish, A.List_List$unmodifiable(t1, t3), t2));
  	          queue2.addFirst$1(new A.ComplexSelectorComponent(rootish, A.List_List$unmodifiable(rootish2.combinators, t3), t2));
  	          break $label0$0;
  	        }
  	        t2 = _null;
  	        t3 = false;
  	        if (_0_1 != null) {
  	          if (_0_3_isSet)
  	            t2 = _0_30;
  	          else {
  	            t2 = _0_3;
  	            _0_30 = t2;
  	            _0_3_isSet = true;
  	          }
  	          t2 = t2 == null;
  	          t3 = t2 ? _0_1 : _null;
  	          t0 = t3;
  	          t3 = t2;
  	          t2 = t0;
  	        }
  	        if (!t3)
  	          if (_0_1 == null) {
  	            if (_0_3_isSet)
  	              t3 = _0_30;
  	            else {
  	              t3 = _0_3;
  	              _0_30 = t3;
  	              _0_3_isSet = true;
  	            }
  	            t3 = t3 != null;
  	            if (t3) {
  	              rootish_case_1 = _0_3_isSet ? _0_30 : _0_3;
  	              if (rootish_case_1 == null)
  	                rootish_case_1 = t1._as(rootish_case_1);
  	              t1 = rootish_case_1;
  	            } else
  	              t1 = t2;
  	            t2 = t3;
  	          } else {
  	            t1 = t2;
  	            t2 = false;
  	          }
  	        else {
  	          t1 = t2;
  	          t2 = true;
  	        }
  	        if (t2) {
  	          queue1.addFirst$1(t1);
  	          queue2.addFirst$1(t1);
  	        }
  	      }
  	      groups1 = A._groupSelectors(queue1);
  	      groups2 = A._groupSelectors(queue2);
  	      t1 = type$.List_ComplexSelectorComponent;
  	      lcs = A.longestCommonSubsequence(groups2, groups1, new A._weaveParents_closure(span), t1);
  	      choices = A._setArrayType([], type$.JSArray_List_Iterable_ComplexSelectorComponent);
  	      for (t2 = lcs.length, t3 = type$.JSArray_Iterable_ComplexSelectorComponent, t4 = type$.JSArray_ComplexSelectorComponent, _i = 0; _i < lcs.length; lcs.length === t2 || (0, A.throwConcurrentModificationError)(lcs), ++_i) {
  	        group = lcs[_i];
  	        t5 = A._setArrayType([], t3);
  	        for (t6 = A._chunks(groups1, groups2, new A._weaveParents_closure0(group), t1), t7 = t6.length, _i0 = 0; _i0 < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i0) {
  	          chunk = t6[_i0];
  	          t8 = A._setArrayType([], t4);
  	          for (t9 = B.JSArray_methods.get$iterator(chunk); t9.moveNext$0();)
  	            B.JSArray_methods.addAll$1(t8, t9.get$current(0));
  	          t5.push(t8);
  	        }
  	        choices.push(t5);
  	        choices.push(A._setArrayType([group], t3));
  	        groups1.removeFirst$0();
  	        groups2.removeFirst$0();
  	      }
  	      t2 = A._setArrayType([], t3);
  	      for (t1 = A._chunks(groups1, groups2, new A._weaveParents_closure1(), t1), t3 = t1.length, _i = 0; _i < t1.length; t1.length === t3 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        chunk = t1[_i];
  	        t5 = A._setArrayType([], t4);
  	        for (t6 = B.JSArray_methods.get$iterator(chunk); t6.moveNext$0();)
  	          B.JSArray_methods.addAll$1(t5, t6.get$current(0));
  	        t2.push(t5);
  	      }
  	      choices.push(t2);
  	      B.JSArray_methods.addAll$1(choices, trailingCombinators);
  	      t1 = A._setArrayType([], type$.JSArray_ComplexSelector);
  	      for (t2 = J.get$iterator$ax(A.paths(new A.WhereIterable(choices, new A._weaveParents_closure2(), type$.WhereIterable_List_Iterable_ComplexSelectorComponent), type$.Iterable_ComplexSelectorComponent)), t3 = !prefix.lineBreak, t5 = base.lineBreak; t2.moveNext$0();) {
  	        t6 = t2.get$current(t2);
  	        t7 = A._setArrayType([], t4);
  	        for (t6 = J.get$iterator$ax(t6); t6.moveNext$0();)
  	          B.JSArray_methods.addAll$1(t7, t6.get$current(t6));
  	        t1.push(A.ComplexSelector$(leadingCombinators, t7, span, !t3 || t5));
  	      }
  	      return t1;
  	    },
  	    _firstIfRootish(queue) {
  	      var first, t1, t2, _i, simple, t3;
  	      if (queue.get$length(0) >= 1) {
  	        first = queue.$index(0, 0);
  	        for (t1 = first.selector.components, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	          simple = t1[_i];
  	          t3 = false;
  	          if (simple instanceof A.PseudoSelector)
  	            if (simple.isClass)
  	              t3 = $._rootishPseudoClasses.contains$1(0, simple.normalizedName);
  	          if (t3) {
  	            queue.removeFirst$0();
  	            return first;
  	          }
  	        }
  	      }
  	      return null;
  	    },
  	    _mergeLeadingCombinators(combinators1, combinators2) {
  	      var t1, _0_7, t2, _0_11_isSet, _0_11, combinators, _null = null;
  	      $label0$0: {
  	        t1 = _null;
  	        _0_7 = _null;
  	        _0_7 = combinators1.length;
  	        t2 = _0_7;
  	        t2 = t2 > 1;
  	        _0_11_isSet = !t2;
  	        _0_11 = _null;
  	        if (_0_11_isSet) {
  	          _0_11 = combinators2.length;
  	          t2 = _0_11;
  	          t2 = t2 > 1;
  	        } else
  	          t2 = true;
  	        if (t2)
  	          break $label0$0;
  	        t2 = _0_7 <= 0;
  	        if (t2)
  	          combinators = combinators2;
  	        else
  	          combinators = t1;
  	        t1 = t2;
  	        if (!t1) {
  	          t1 = false;
  	          if (_0_11_isSet)
  	            t1 = _0_11;
  	          else {
  	            _0_11 = combinators2.length;
  	            t1 = _0_11;
  	          }
  	          t1 = t1 <= 0;
  	          combinators = combinators1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = combinators;
  	          break $label0$0;
  	        }
  	        t1 = B.C_ListEquality.equals$2(0, combinators1, combinators2) ? combinators1 : _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _mergeTrailingCombinators(components1, components2, span, result) {
  	      var _0_1, t1, _1_1, t2, t3, _4_1, _4_3, _4_5, _4_4, _4_5_isSet, _4_4_isSet, component1, component2, t4, t5, choices, _2_0, _4_9, _4_6, _4_6_isSet, _4_7, _4_7_isSet, followingComponents, nextComponents, _4_9_isSet, _4_10_isSet, _4_10, next, following, _3_0, _4_4_isSet0, siblingComponents_case_0, siblingComponents_case_1, t6, combinator2, unified, t7, combinatorComponents_case_0, descendantComponents_case_0, t0, combinator_case_1, descendantComponents_case_1, combinatorComponents_case_1, _null = null;
  	      if (result == null)
  	        result = A.QueueList$(_null, type$.List_List_ComplexSelectorComponent);
  	      $label0$0: {
  	        _0_1 = components1.get$length(0);
  	        if (_0_1 >= 1) {
  	          t1 = components1.$index(0, _0_1 - 1).combinators;
  	          break $label0$0;
  	        }
  	        t1 = B.List_empty0;
  	        break $label0$0;
  	      }
  	      $label1$1: {
  	        _1_1 = components2.get$length(0);
  	        if (_1_1 >= 1) {
  	          t2 = components2.$index(0, _1_1 - 1).combinators;
  	          break $label1$1;
  	        }
  	        t2 = B.List_empty0;
  	        break $label1$1;
  	      }
  	      t3 = t1.length;
  	      if (t3 === 0 && t2.length === 0)
  	        return result;
  	      if (t3 > 1 || t2.length > 1)
  	        return _null;
  	      $label2$2: {
  	        t3 = A.IterableExtension_get_firstOrNull(t1);
  	        t3 = t3 == null ? _null : t3.value;
  	        t2 = A.IterableExtension_get_firstOrNull(t2);
  	        t2 = [t3, t2 == null ? _null : t2.value, components1, components2];
  	        _4_1 = t2[0];
  	        _4_3 = B.Combinator_98W === _4_1;
  	        t3 = _4_3;
  	        _4_5 = _null;
  	        _4_4 = _null;
  	        if (t3) {
  	          _4_4 = t2[1];
  	          _4_5 = B.Combinator_98W === _4_4;
  	          t3 = _4_5;
  	          _4_5_isSet = true;
  	          _4_4_isSet = true;
  	        } else {
  	          _4_5_isSet = false;
  	          _4_4_isSet = false;
  	          t3 = false;
  	        }
  	        if (t3) {
  	          component1 = components1.removeLast$0(0);
  	          component2 = components2.removeLast$0(0);
  	          t2 = component1.selector;
  	          t3 = component2.selector;
  	          if (A.compoundIsSuperselector(t2, t3, _null))
  	            result.addFirst$1(A._setArrayType([A._setArrayType([component2], type$.JSArray_ComplexSelectorComponent)], type$.JSArray_List_ComplexSelectorComponent));
  	          else {
  	            t4 = type$.JSArray_ComplexSelectorComponent;
  	            t5 = type$.JSArray_List_ComplexSelectorComponent;
  	            if (A.compoundIsSuperselector(t3, t2, _null))
  	              result.addFirst$1(A._setArrayType([A._setArrayType([component1], t4)], t5));
  	            else {
  	              choices = A._setArrayType([A._setArrayType([component1, component2], t4), A._setArrayType([component2, component1], t4)], t5);
  	              _2_0 = A.unifyCompound(t2, t3);
  	              if (_2_0 != null)
  	                choices.push(A._setArrayType([new A.ComplexSelectorComponent(_2_0, A.List_List$unmodifiable(A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_CssValue_Combinator), type$.CssValue_Combinator), span)], t4));
  	              result.addFirst$1(choices);
  	            }
  	          }
  	          break $label2$2;
  	        }
  	        _4_9 = _null;
  	        _4_6 = _null;
  	        _4_6_isSet = false;
  	        _4_7 = _null;
  	        _4_7_isSet = false;
  	        followingComponents = _null;
  	        nextComponents = _null;
  	        t3 = false;
  	        if (_4_3) {
  	          if (_4_4_isSet)
  	            t4 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t4 = _4_4;
  	            _4_4_isSet = true;
  	          }
  	          _4_9 = B.Combinator_sHB === t4;
  	          t4 = _4_9;
  	          if (t4) {
  	            _4_6 = t2[2];
  	            _4_7 = t2[3];
  	            nextComponents = _4_7;
  	            followingComponents = _4_6;
  	            _4_6_isSet = true;
  	            _4_7_isSet = true;
  	            t3 = true;
  	          }
  	          _4_9_isSet = true;
  	        } else
  	          _4_9_isSet = false;
  	        _4_10_isSet = !t3;
  	        _4_10 = _null;
  	        t3 = true;
  	        if (_4_10_isSet) {
  	          _4_10 = B.Combinator_sHB === _4_1;
  	          t4 = _4_10;
  	          if (t4) {
  	            if (_4_5_isSet)
  	              t4 = _4_5;
  	            else {
  	              if (_4_4_isSet)
  	                t4 = _4_4;
  	              else {
  	                _4_4 = t2[1];
  	                t4 = _4_4;
  	                _4_4_isSet = true;
  	              }
  	              _4_5 = B.Combinator_98W === t4;
  	              t4 = _4_5;
  	              _4_5_isSet = true;
  	            }
  	            if (t4) {
  	              if (_4_6_isSet)
  	                nextComponents = _4_6;
  	              else {
  	                _4_6 = t2[2];
  	                nextComponents = _4_6;
  	                _4_6_isSet = true;
  	              }
  	              if (_4_7_isSet)
  	                followingComponents = _4_7;
  	              else {
  	                _4_7 = t2[3];
  	                followingComponents = _4_7;
  	                _4_7_isSet = true;
  	              }
  	            } else
  	              t3 = false;
  	          } else
  	            t3 = false;
  	        }
  	        if (t3) {
  	          next = nextComponents.removeLast$0(0);
  	          following = followingComponents.removeLast$0(0);
  	          t1 = following.selector;
  	          t2 = next.selector;
  	          t3 = type$.JSArray_ComplexSelectorComponent;
  	          t4 = type$.JSArray_List_ComplexSelectorComponent;
  	          if (A.compoundIsSuperselector(t1, t2, _null))
  	            result.addFirst$1(A._setArrayType([A._setArrayType([next], t3)], t4));
  	          else {
  	            t4 = A._setArrayType([A._setArrayType([following, next], t3)], t4);
  	            _3_0 = A.unifyCompound(t1, t2);
  	            if (_3_0 != null)
  	              t4.push(A._setArrayType([new A.ComplexSelectorComponent(_3_0, A.List_List$unmodifiable(next.combinators, type$.CssValue_Combinator), span)], t3));
  	            result.addFirst$1(t4);
  	          }
  	          break $label2$2;
  	        }
  	        t3 = _null;
  	        t4 = false;
  	        if (B.Combinator_iUF === _4_1) {
  	          _4_4_isSet0 = true;
  	          if (_4_9_isSet)
  	            t5 = _4_9;
  	          else {
  	            if (_4_4_isSet)
  	              t5 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t5 = _4_4;
  	              _4_4_isSet = _4_4_isSet0;
  	            }
  	            _4_9 = B.Combinator_sHB === t5;
  	            t5 = _4_9;
  	          }
  	          if (!t5)
  	            if (_4_5_isSet)
  	              t5 = _4_5;
  	            else {
  	              if (_4_4_isSet)
  	                t5 = _4_4;
  	              else {
  	                _4_4 = t2[1];
  	                t5 = _4_4;
  	                _4_4_isSet = _4_4_isSet0;
  	              }
  	              _4_5 = B.Combinator_98W === t5;
  	              t5 = _4_5;
  	            }
  	          else
  	            t5 = true;
  	          if (t5) {
  	            if (_4_7_isSet)
  	              siblingComponents_case_0 = _4_7;
  	            else {
  	              _4_7 = t2[3];
  	              siblingComponents_case_0 = _4_7;
  	              _4_7_isSet = true;
  	            }
  	            t3 = siblingComponents_case_0;
  	            t4 = true;
  	          }
  	        }
  	        if (!t4) {
  	          if (_4_10_isSet)
  	            t4 = _4_10;
  	          else {
  	            _4_10 = B.Combinator_sHB === _4_1;
  	            t4 = _4_10;
  	          }
  	          if (!t4)
  	            t4 = _4_3;
  	          else
  	            t4 = true;
  	          if (t4) {
  	            if (_4_4_isSet)
  	              t4 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t4 = _4_4;
  	              _4_4_isSet = true;
  	            }
  	            t4 = B.Combinator_iUF === t4;
  	            if (t4) {
  	              if (_4_6_isSet)
  	                siblingComponents_case_1 = _4_6;
  	              else {
  	                _4_6 = t2[2];
  	                siblingComponents_case_1 = _4_6;
  	                _4_6_isSet = true;
  	              }
  	              t3 = siblingComponents_case_1;
  	            }
  	          } else
  	            t4 = false;
  	        } else
  	          t4 = true;
  	        if (t4) {
  	          result.addFirst$1(A._setArrayType([A._setArrayType([t3.removeLast$0(0)], type$.JSArray_ComplexSelectorComponent)], type$.JSArray_List_ComplexSelectorComponent));
  	          break $label2$2;
  	        }
  	        t3 = _4_1 == null;
  	        t4 = !t3;
  	        t5 = false;
  	        if (t4) {
  	          _4_4_isSet0 = true;
  	          if (_4_4_isSet)
  	            t6 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t6 = _4_4;
  	            _4_4_isSet = _4_4_isSet0;
  	          }
  	          if (t6 != null) {
  	            if (_4_4_isSet)
  	              combinator2 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              combinator2 = _4_4;
  	              _4_4_isSet = _4_4_isSet0;
  	            }
  	            t5 = _4_1 === (combinator2 == null ? type$.Combinator._as(combinator2) : combinator2);
  	          }
  	        }
  	        if (t5) {
  	          unified = A.unifyCompound(components1.removeLast$0(0).selector, components2.removeLast$0(0).selector);
  	          if (unified == null)
  	            return _null;
  	          result.addFirst$1(A._setArrayType([A._setArrayType([new A.ComplexSelectorComponent(unified, A.List_List$unmodifiable(A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_CssValue_Combinator), type$.CssValue_Combinator), span)], type$.JSArray_ComplexSelectorComponent)], type$.JSArray_List_ComplexSelectorComponent));
  	          break $label2$2;
  	        }
  	        t1 = _null;
  	        t5 = _null;
  	        t6 = _null;
  	        t7 = false;
  	        if (t4) {
  	          if (_4_4_isSet)
  	            t4 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t4 = _4_4;
  	            _4_4_isSet = true;
  	          }
  	          t4 = t4 == null;
  	          if (t4) {
  	            if (_4_6_isSet)
  	              combinatorComponents_case_0 = _4_6;
  	            else {
  	              _4_6 = t2[2];
  	              combinatorComponents_case_0 = _4_6;
  	              _4_6_isSet = true;
  	            }
  	            if (_4_7_isSet)
  	              descendantComponents_case_0 = _4_7;
  	            else {
  	              _4_7 = t2[3];
  	              descendantComponents_case_0 = _4_7;
  	              _4_7_isSet = true;
  	            }
  	            t1 = descendantComponents_case_0;
  	            t6 = t1;
  	            t1 = _4_1;
  	            t5 = combinatorComponents_case_0;
  	          }
  	          t0 = t6;
  	          t6 = t4;
  	          t4 = t5;
  	          t5 = t0;
  	        } else {
  	          t4 = t5;
  	          t5 = t6;
  	          t6 = t7;
  	        }
  	        if (!t6)
  	          if (t3) {
  	            if (_4_4_isSet)
  	              t3 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t3 = _4_4;
  	              _4_4_isSet = true;
  	            }
  	            t3 = t3 != null;
  	            if (t3) {
  	              combinator_case_1 = _4_4_isSet ? _4_4 : t2[1];
  	              if (combinator_case_1 == null)
  	                combinator_case_1 = type$.Combinator._as(combinator_case_1);
  	              descendantComponents_case_1 = _4_6_isSet ? _4_6 : t2[2];
  	              combinatorComponents_case_1 = _4_7_isSet ? _4_7 : t2[3];
  	              t1 = combinatorComponents_case_1;
  	              t2 = descendantComponents_case_1;
  	              t4 = t2;
  	              t2 = t1;
  	              t1 = combinator_case_1;
  	            } else {
  	              t2 = t4;
  	              t4 = t5;
  	            }
  	            t0 = t4;
  	            t4 = t3;
  	            t3 = t0;
  	          } else {
  	            t3 = t5;
  	            t2 = t4;
  	            t4 = false;
  	          }
  	        else {
  	          t3 = t5;
  	          t2 = t4;
  	          t4 = true;
  	        }
  	        if (t4) {
  	          if (t1 === B.Combinator_iUF) {
  	            t1 = A.IterableExtension_get_lastOrNull(t3);
  	            t1 = t1 == null ? _null : A.compoundIsSuperselector(t1.selector, t2.get$last(t2).selector, _null);
  	            t1 = t1 === true;
  	          } else
  	            t1 = false;
  	          if (t1)
  	            t3.removeLast$0(0);
  	          result.addFirst$1(A._setArrayType([A._setArrayType([t2.removeLast$0(0)], type$.JSArray_ComplexSelectorComponent)], type$.JSArray_List_ComplexSelectorComponent));
  	          break $label2$2;
  	        }
  	        return _null;
  	      }
  	      return A._mergeTrailingCombinators(components1, components2, span, result);
  	    },
  	    _mustUnify(complex1, complex2) {
  	      var t2, t3, t4,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.SimpleSelector);
  	      for (t2 = J.get$iterator$ax(complex1); t2.moveNext$0();)
  	        for (t3 = B.JSArray_methods.get$iterator(t2.get$current(t2).selector.components), t4 = new A.WhereIterator(t3, A.functions___isUnique$closure()); t4.moveNext$0();)
  	          t1.add$1(0, t3.get$current(0));
  	      if (t1._collection$_length === 0)
  	        return false;
  	      return J.any$1$ax(complex2, new A._mustUnify_closure(t1));
  	    },
  	    _isUnique(simple) {
  	      var t1;
  	      if (!(simple instanceof A.IDSelector))
  	        t1 = simple instanceof A.PseudoSelector && !simple.isClass;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    _chunks(queue1, queue2, done, $T) {
  	      var chunk2, _0_4, _0_7, _0_5, _0_7_isSet, _0_5_isSet, chunk, t2, _null = null,
  	        t1 = $T._eval$1("JSArray<0>"),
  	        chunk1 = A._setArrayType([], t1);
  	      while (!done.call$1(queue1))
  	        chunk1.push(queue1.removeFirst$0());
  	      chunk2 = A._setArrayType([], t1);
  	      while (!done.call$1(queue2))
  	        chunk2.push(queue2.removeFirst$0());
  	      $label0$0: {
  	        _0_4 = chunk1.length <= 0;
  	        t1 = _0_4;
  	        _0_7 = _null;
  	        if (t1) {
  	          _0_7 = chunk2.length <= 0;
  	          t1 = _0_7;
  	          _0_5 = chunk2;
  	          _0_7_isSet = true;
  	          _0_5_isSet = true;
  	        } else {
  	          _0_5 = _null;
  	          _0_7_isSet = false;
  	          _0_5_isSet = false;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A._setArrayType([], $T._eval$1("JSArray<List<0>>"));
  	          break $label0$0;
  	        }
  	        if (_0_4) {
  	          if (_0_5_isSet)
  	            chunk = _0_5;
  	          else {
  	            chunk = chunk2;
  	            _0_5 = chunk;
  	            _0_5_isSet = true;
  	          }
  	          t1 = true;
  	        } else {
  	          chunk = _null;
  	          t1 = false;
  	        }
  	        if (!t1) {
  	          if (_0_7_isSet)
  	            t1 = _0_7;
  	          else {
  	            _0_7 = (_0_5_isSet ? _0_5 : chunk2).length <= 0;
  	            t1 = _0_7;
  	          }
  	          chunk = chunk1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = A._setArrayType([chunk], $T._eval$1("JSArray<List<0>>"));
  	          break $label0$0;
  	        }
  	        t1 = A.List_List$_of(chunk1, $T);
  	        B.JSArray_methods.addAll$1(t1, chunk2);
  	        t2 = A.List_List$_of(chunk2, $T);
  	        B.JSArray_methods.addAll$1(t2, chunk1);
  	        t1 = A._setArrayType([t1, t2], $T._eval$1("JSArray<List<0>>"));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    paths(choices, $T) {
  	      return J.fold$2$ax(choices, A._setArrayType([A._setArrayType([], $T._eval$1("JSArray<0>"))], $T._eval$1("JSArray<List<0>>")), new A.paths_closure($T));
  	    },
  	    _groupSelectors(complex) {
  	      var t2, t3, t4,
  	        groups = A.QueueList$(null, type$.List_ComplexSelectorComponent),
  	        t1 = type$.JSArray_ComplexSelectorComponent,
  	        group = A._setArrayType([], t1);
  	      for (t2 = complex.$ti, t3 = new A.ListIterator(complex, complex.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t3.moveNext$0();) {
  	        t4 = t3.__internal$_current;
  	        if (t4 == null)
  	          t4 = t2._as(t4);
  	        group.push(t4);
  	        if (t4.combinators.length === 0) {
  	          groups._queue_list$_add$1(group);
  	          group = A._setArrayType([], t1);
  	        }
  	      }
  	      if (group.length !== 0)
  	        groups._queue_list$_add$1(group);
  	      return groups;
  	    },
  	    listIsSuperselector(list1, list2) {
  	      return B.JSArray_methods.every$1(list2, new A.listIsSuperselector_closure(list1));
  	    },
  	    _complexIsParentSuperselector(complex1, complex2) {
  	      var t1, base, t2;
  	      if (J.get$length$asx(complex1) > J.get$length$asx(complex2))
  	        return false;
  	      t1 = $.$get$bogusSpan();
  	      base = new A.ComplexSelectorComponent(A.CompoundSelector$(A._setArrayType([new A.PlaceholderSelector("<temp>", t1)], type$.JSArray_SimpleSelector), t1), A.List_List$unmodifiable(B.List_empty0, type$.CssValue_Combinator), t1);
  	      t1 = type$.ComplexSelectorComponent;
  	      t2 = A.List_List$_of(complex1, t1);
  	      t2.push(base);
  	      t1 = A.List_List$_of(complex2, t1);
  	      t1.push(base);
  	      return A.complexIsSuperselector(t2, t1);
  	    },
  	    complexIsSuperselector(complex1, complex2) {
  	      var t1, t2, previousCombinator, i1, i2, remaining1, remaining2, component1, t3, t4, endOfSubselector, component2, t5, combinator1, _null = null;
  	      if (B.JSArray_methods.get$last(complex1).combinators.length !== 0)
  	        return false;
  	      if (B.JSArray_methods.get$last(complex2).combinators.length !== 0)
  	        return false;
  	      for (t1 = A._arrayInstanceType(complex2), t2 = t1._precomputed1, t1 = t1._eval$1("SubListIterable<1>"), previousCombinator = _null, i1 = 0, i2 = 0;; previousCombinator = combinator1) {
  	        remaining1 = complex1.length - i1;
  	        remaining2 = complex2.length - i2;
  	        if (remaining1 === 0 || remaining2 === 0)
  	          return false;
  	        if (remaining1 > remaining2)
  	          return false;
  	        component1 = complex1[i1];
  	        t3 = component1.combinators;
  	        if (t3.length > 1)
  	          return false;
  	        if (remaining1 === 1)
  	          if (B.JSArray_methods.any$1(complex2, new A.complexIsSuperselector_closure()))
  	            return false;
  	          else {
  	            t1 = component1.selector;
  	            t2 = B.JSArray_methods.get$last(complex2);
  	            t3 = t1.get$hasComplicatedSuperselectorSemantics() ? B.JSArray_methods.sublist$2(complex2, i2, complex2.length - 1) : _null;
  	            return A.compoundIsSuperselector(t1, t2.selector, t3);
  	          }
  	        for (t4 = component1.selector, endOfSubselector = i2;;) {
  	          component2 = complex2[endOfSubselector];
  	          if (component2.combinators.length > 1)
  	            return false;
  	          t5 = t4.get$hasComplicatedSuperselectorSemantics() ? B.JSArray_methods.sublist$2(complex2, i2, endOfSubselector) : _null;
  	          if (A.compoundIsSuperselector(t4, component2.selector, t5))
  	            break;
  	          ++endOfSubselector;
  	          if (endOfSubselector === complex2.length - 1)
  	            return false;
  	        }
  	        t4 = new A.SubListIterable(complex2, 0, endOfSubselector, t1);
  	        t4.SubListIterable$3(complex2, 0, endOfSubselector, t2);
  	        if (!A._compatibleWithPreviousCombinator(previousCombinator, t4.skip$1(0, i2)))
  	          return false;
  	        component2 = complex2[endOfSubselector];
  	        combinator1 = A.IterableExtension_get_firstOrNull(t3);
  	        if (!A._isSupercombinator(combinator1, A.IterableExtension_get_firstOrNull(component2.combinators)))
  	          return false;
  	        ++i1;
  	        i2 = endOfSubselector + 1;
  	        if (complex1.length - i1 === 1) {
  	          t3 = combinator1 == null;
  	          if ((t3 ? _null : combinator1.value) === B.Combinator_98W) {
  	            t3 = complex2.length - 1;
  	            t4 = new A.SubListIterable(complex2, 0, t3, t1);
  	            t4.SubListIterable$3(complex2, 0, t3, t2);
  	            if (!t4.skip$1(0, i2).every$1(0, new A.complexIsSuperselector_closure0(combinator1)))
  	              return false;
  	          } else if (!t3)
  	            if (complex2.length - i2 > 1)
  	              return false;
  	        }
  	      }
  	    },
  	    _compatibleWithPreviousCombinator(previous, parents) {
  	      if (parents.get$isEmpty(parents))
  	        return true;
  	      if (previous == null)
  	        return true;
  	      if (previous.value !== B.Combinator_98W)
  	        return false;
  	      return parents.every$1(0, new A._compatibleWithPreviousCombinator_closure());
  	    },
  	    _isSupercombinator(combinator1, combinator2) {
  	      var t2, t3,
  	        t1 = true;
  	      if (!J.$eq$(combinator1, combinator2)) {
  	        t2 = combinator1 == null;
  	        if (t2)
  	          t3 = (combinator2 == null ? null : combinator2.value) === B.Combinator_iUF;
  	        else
  	          t3 = false;
  	        if (!t3)
  	          if ((t2 ? null : combinator1.value) === B.Combinator_98W)
  	            t1 = (combinator2 == null ? null : combinator2.value) === B.Combinator_sHB;
  	          else
  	            t1 = false;
  	      }
  	      return t1;
  	    },
  	    compoundIsSuperselector(compound1, compound2, parents) {
  	      var t1, _0_1, _0_5, _0_5_isSet, _0_50, index1, pseudo2, index2, t2, pseudo1, t3, t4, t5, _i, simple1, _null = null;
  	      if (!compound1.get$hasComplicatedSuperselectorSemantics() && !compound2.get$hasComplicatedSuperselectorSemantics()) {
  	        t1 = compound1.components;
  	        if (t1.length > compound2.components.length)
  	          return false;
  	        return B.JSArray_methods.every$1(t1, new A.compoundIsSuperselector_closure(compound2));
  	      }
  	      _0_1 = A._findPseudoElementIndexed(compound1);
  	      _0_5 = A._findPseudoElementIndexed(compound2);
  	      t1 = type$.Record_2_nullable_Object_and_nullable_Object;
  	      _0_5_isSet = t1._is(_0_1);
  	      _0_50 = _null;
  	      index1 = _null;
  	      pseudo2 = _null;
  	      index2 = _null;
  	      t2 = false;
  	      if (_0_5_isSet) {
  	        pseudo1 = _0_1._0;
  	        index1 = _0_1._1;
  	        t1 = t1._is(_0_5);
  	        if (t1) {
  	          pseudo2 = _0_5._0;
  	          index2 = _0_5._1;
  	        }
  	        _0_50 = _0_5;
  	      } else {
  	        t1 = t2;
  	        pseudo1 = _null;
  	      }
  	      if (t1) {
  	        if (pseudo1.isSuperselector$1(pseudo2)) {
  	          t1 = compound1.components;
  	          t2 = type$.int;
  	          t3 = A._arrayInstanceType(t1)._precomputed1;
  	          t4 = compound2.components;
  	          t5 = A._arrayInstanceType(t4)._precomputed1;
  	          t1 = A._compoundComponentsIsSuperselector(A.SubListIterable$(t1, 0, A.checkNotNullable(index1, "count", t2), t3), A.SubListIterable$(t4, 0, A.checkNotNullable(index2, "count", t2), t5), parents) && A._compoundComponentsIsSuperselector(A.SubListIterable$(t1, index1 + 1, _null, t3), A.SubListIterable$(t4, index2 + 1, _null, t5), parents);
  	        } else
  	          t1 = false;
  	        return t1;
  	      }
  	      if (_0_1 == null)
  	        t1 = (_0_5_isSet ? _0_50 : _0_5) != null;
  	      else
  	        t1 = true;
  	      if (t1)
  	        return false;
  	      for (t1 = compound1.components, t2 = t1.length, t3 = compound2.components, _i = 0; _i < t2; ++_i) {
  	        simple1 = t1[_i];
  	        if (simple1 instanceof A.PseudoSelector)
  	          t4 = simple1.selector != null;
  	        else
  	          t4 = false;
  	        if (t4) {
  	          if (!A._selectorPseudoIsSuperselector(simple1, compound2, parents))
  	            return false;
  	        } else if (!B.JSArray_methods.any$1(t3, simple1.get$isSuperselector()))
  	          return false;
  	      }
  	      return true;
  	    },
  	    _findPseudoElementIndexed(compound) {
  	      var t1, t2, i, simple;
  	      for (t1 = compound.components, t2 = t1.length, i = 0; i < t2; ++i) {
  	        simple = t1[i];
  	        if (simple instanceof A.PseudoSelector && !simple.isClass)
  	          return new A._Record_2(simple, i);
  	      }
  	      return null;
  	    },
  	    _compoundComponentsIsSuperselector(compound1, compound2, parents) {
  	      var t1;
  	      if (compound1.get$length(0) === 0)
  	        return true;
  	      if (compound2.get$length(0) === 0)
  	        compound2 = A._setArrayType([new A.UniversalSelector("*", $.$get$bogusSpan())], type$.JSArray_SimpleSelector);
  	      t1 = $.$get$bogusSpan();
  	      return A.compoundIsSuperselector(A.CompoundSelector$(compound1, t1), A.CompoundSelector$(compound2, t1), parents);
  	    },
  	    _selectorPseudoIsSuperselector(pseudo1, compound2, parents) {
  	      var selector1 = pseudo1.selector;
  	      if (selector1 == null)
  	        throw A.wrapException(A.ArgumentError$("Selector " + pseudo1.toString$0(0) + " must have a selector argument.", null));
  	      switch (pseudo1.normalizedName) {
  	        case "is":
  	        case "matches":
  	        case "any":
  	        case "where":
  	          return A._selectorPseudoArgs(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure(selector1)) || B.JSArray_methods.any$1(selector1.components, new A._selectorPseudoIsSuperselector_closure0(parents, compound2));
  	        case "has":
  	        case "host":
  	        case "host-context":
  	          return A._selectorPseudoArgs(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure1(selector1));
  	        case "slotted":
  	          return A._selectorPseudoArgs(compound2, pseudo1.name, false).any$1(0, new A._selectorPseudoIsSuperselector_closure2(selector1));
  	        case "not":
  	          return B.JSArray_methods.every$1(selector1.components, new A._selectorPseudoIsSuperselector_closure3(compound2, pseudo1));
  	        case "current":
  	          return A._selectorPseudoArgs(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure4(selector1));
  	        case "nth-child":
  	        case "nth-last-child":
  	          return B.JSArray_methods.any$1(compound2.components, new A._selectorPseudoIsSuperselector_closure5(pseudo1, selector1));
  	        default:
  	          throw A.wrapException("unreachable");
  	      }
  	    },
  	    _selectorPseudoArgs(compound, $name, isClass) {
  	      var t1 = type$.WhereTypeIterable_PseudoSelector;
  	      return new A.NonNullsIterable(new A.MappedIterable(new A.WhereIterable(new A.WhereTypeIterable(compound.components, t1), new A._selectorPseudoArgs_closure(isClass, $name), t1._eval$1("WhereIterable<Iterable.E>")), new A._selectorPseudoArgs_closure0(), t1._eval$1("MappedIterable<Iterable.E,SelectorList?>")), type$.NonNullsIterable_SelectorList);
  	    },
  	    unifyComplex_closure: function unifyComplex_closure() {
  	    },
  	    _weaveParents_closure: function _weaveParents_closure(t0) {
  	      this.span = t0;
  	    },
  	    _weaveParents_closure0: function _weaveParents_closure0(t0) {
  	      this.group = t0;
  	    },
  	    _weaveParents_closure1: function _weaveParents_closure1() {
  	    },
  	    _weaveParents_closure2: function _weaveParents_closure2() {
  	    },
  	    _mustUnify_closure: function _mustUnify_closure(t0) {
  	      this.uniqueSelectors = t0;
  	    },
  	    _mustUnify__closure: function _mustUnify__closure(t0) {
  	      this.uniqueSelectors = t0;
  	    },
  	    paths_closure: function paths_closure(t0) {
  	      this.T = t0;
  	    },
  	    paths__closure: function paths__closure(t0, t1) {
  	      this.paths = t0;
  	      this.T = t1;
  	    },
  	    paths___closure: function paths___closure(t0, t1) {
  	      this.option = t0;
  	      this.T = t1;
  	    },
  	    listIsSuperselector_closure: function listIsSuperselector_closure(t0) {
  	      this.list1 = t0;
  	    },
  	    listIsSuperselector__closure: function listIsSuperselector__closure(t0) {
  	      this.complex1 = t0;
  	    },
  	    complexIsSuperselector_closure: function complexIsSuperselector_closure() {
  	    },
  	    complexIsSuperselector_closure0: function complexIsSuperselector_closure0(t0) {
  	      this.combinator1 = t0;
  	    },
  	    _compatibleWithPreviousCombinator_closure: function _compatibleWithPreviousCombinator_closure() {
  	    },
  	    compoundIsSuperselector_closure: function compoundIsSuperselector_closure(t0) {
  	      this.compound2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure: function _selectorPseudoIsSuperselector_closure(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure0: function _selectorPseudoIsSuperselector_closure0(t0, t1) {
  	      this.parents = t0;
  	      this.compound2 = t1;
  	    },
  	    _selectorPseudoIsSuperselector_closure1: function _selectorPseudoIsSuperselector_closure1(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure2: function _selectorPseudoIsSuperselector_closure2(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure3: function _selectorPseudoIsSuperselector_closure3(t0, t1) {
  	      this.compound2 = t0;
  	      this.pseudo1 = t1;
  	    },
  	    _selectorPseudoIsSuperselector__closure: function _selectorPseudoIsSuperselector__closure(t0, t1) {
  	      this.complex = t0;
  	      this.pseudo1 = t1;
  	    },
  	    _selectorPseudoIsSuperselector___closure: function _selectorPseudoIsSuperselector___closure(t0) {
  	      this.simple2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector___closure0: function _selectorPseudoIsSuperselector___closure0(t0) {
  	      this.simple2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure4: function _selectorPseudoIsSuperselector_closure4(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure5: function _selectorPseudoIsSuperselector_closure5(t0, t1) {
  	      this.pseudo1 = t0;
  	      this.selector1 = t1;
  	    },
  	    _selectorPseudoArgs_closure: function _selectorPseudoArgs_closure(t0, t1) {
  	      this.isClass = t0;
  	      this.name = t1;
  	    },
  	    _selectorPseudoArgs_closure0: function _selectorPseudoArgs_closure0() {
  	    },
  	    MergedExtension_merge(left, right) {
  	      var t2, t3, t4,
  	        t1 = left.extender.selector;
  	      if (!t1.$eq(0, right.extender.selector) || !left.target.$eq(0, right.target))
  	        throw A.wrapException(A.ArgumentError$(left.toString$0(0) + " and " + right.toString$0(0) + " aren't the same extension.", null));
  	      t2 = left.mediaContext;
  	      t3 = t2 == null;
  	      if (!t3) {
  	        t4 = right.mediaContext;
  	        t4 = t4 != null && !B.C_ListEquality.equals$2(0, t2, t4);
  	      } else
  	        t4 = false;
  	      if (t4)
  	        throw A.wrapException(A.SassException$("From " + left.span.message$1(0, "") + string$.x0aYou_m, right.span, null));
  	      if (right.isOptional && right.mediaContext == null)
  	        return left;
  	      if (left.isOptional && t3)
  	        return right;
  	      if (t3)
  	        t2 = right.mediaContext;
  	      t1.get$specificity();
  	      t1 = new A.Extender(t1, false);
  	      return t1._extension = new A.MergedExtension(left, right, t1, left.target, t2, true, left.span);
  	    },
  	    MergedExtension: function MergedExtension(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.left = t0;
  	      _.right = t1;
  	      _.extender = t2;
  	      _.target = t3;
  	      _.mediaContext = t4;
  	      _.isOptional = t5;
  	      _.span = t6;
  	    },
  	    ExtendMode: function ExtendMode(t0, t1, t2) {
  	      this.name = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    globalFunctions_closure: function globalFunctions_closure() {
  	    },
  	    _invert($arguments, global) {
  	      var t2, color, rgb, channel2, space, weight, inSpace, t3, _1_9, channel0, channel1, t4, _s6_ = "weight", _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        weightNumber = t1.$index($arguments, 1).assertNumber$1(_s6_);
  	      if (!(t1.$index($arguments, 0) instanceof A.SassNumber))
  	        t2 = global && t1.$index($arguments, 0).get$isSpecialNumber();
  	      else
  	        t2 = true;
  	      if (t2) {
  	        if (weightNumber._number$_value !== 100 || !weightNumber.hasUnit$1("%"))
  	          throw A.wrapException(string$.Only_oa);
  	        return A._functionString("invert", t1.take$1($arguments, 1));
  	      }
  	      color = t1.$index($arguments, 0).assertColor$1("color");
  	      if (t1.$index($arguments, 2).$eq(0, B.C__SassNull)) {
  	        t1 = color._space;
  	        if (!t1.get$isLegacyInternal())
  	          throw A.wrapException(A.SassScriptException$(string$.To_usei + color.toString$0(0) + ", you must provide a $space.", "color"));
  	        A._checkPercent(weightNumber, _s6_);
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P);
  	        channel2 = B.LinearChannel_vJ3;
  	        return A._mixLegacy(A.SassColor_SassColor$rgbInternal(A._invertChannel(rgb, B.LinearChannel_qXC, rgb.channel0OrNull), A._invertChannel(rgb, B.LinearChannel_Z5r, rgb.channel1OrNull), A._invertChannel(rgb, channel2, rgb.channel2OrNull), color.alphaOrNull, null), color, weightNumber).toSpace$1(t1);
  	      }
  	      t1 = t1.$index($arguments, 2).assertString$1(_s5_);
  	      t1.assertUnquoted$1(_s5_);
  	      space = A.ColorSpace_fromName(t1._string$_text, _s5_);
  	      weight = weightNumber.valueInRangeWithUnit$4(0, 100, _s6_, "%") / 100;
  	      if (A.fuzzyEquals(weight, 0))
  	        return color;
  	      inSpace = color.toSpace$1(space);
  	      $label0$0: {
  	        if (B.HwbColorSpace_guQ === space) {
  	          t1 = A._invertChannel(inSpace, space._channels[0], inSpace.channel0OrNull);
  	          t2 = inSpace.alphaOrNull;
  	          if (t2 == null)
  	            t2 = 0;
  	          t2 = A.SassColor_SassColor$hwb(t1, inSpace.channel2OrNull, inSpace.channel1OrNull, t2);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.HslColorSpace_JQ2 === space || B.LchColorSpace_Bpv === space || B.OklchColorSpace_9Gj === space) {
  	          t1 = space._channels;
  	          t2 = A._invertChannel(inSpace, t1[0], inSpace.channel0OrNull);
  	          t1 = A._invertChannel(inSpace, t1[2], inSpace.channel2OrNull);
  	          t3 = inSpace.alphaOrNull;
  	          if (t3 == null)
  	            t3 = 0;
  	          t3 = A.SassColor_SassColor$forSpaceInternal(space, t2, inSpace.channel1OrNull, t1, t3);
  	          t1 = t3;
  	          break $label0$0;
  	        }
  	        _1_9 = space._channels;
  	        channel0 = _1_9[0];
  	        channel1 = _1_9[1];
  	        channel2 = _1_9[2];
  	        t1 = A._invertChannel(inSpace, channel0, inSpace.channel0OrNull);
  	        t2 = A._invertChannel(inSpace, channel1, inSpace.channel1OrNull);
  	        t3 = A._invertChannel(inSpace, channel2, inSpace.channel2OrNull);
  	        t4 = inSpace.alphaOrNull;
  	        t1 = A.SassColor_SassColor$forSpaceInternal(space, t1, t2, t3, t4 == null ? 0 : t4);
  	        break $label0$0;
  	      }
  	      return A.fuzzyEquals(weight, 1) ? t1.toSpace$2$legacyMissing(color._space, false) : color.interpolate$4$legacyMissing$weight(t1, A.InterpolationMethod$(space, null), false, 1 - weight);
  	    },
  	    _invertChannel(color, channel, value) {
  	      var _0_2_isSet, _0_2, t1;
  	      if (value == null)
  	        A._missingChannelError(color, channel.name);
  	      $label0$0: {
  	        _0_2_isSet = channel instanceof A.LinearChannel;
  	        _0_2 = null;
  	        if (_0_2_isSet) {
  	          _0_2 = channel.min;
  	          t1 = _0_2;
  	          t1 = t1 < 0;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = -value;
  	          break $label0$0;
  	        }
  	        if (_0_2_isSet)
  	          t1 = 0 === _0_2;
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = channel.max - value;
  	          break $label0$0;
  	        }
  	        if (channel.isPolarAngle) {
  	          t1 = B.JSNumber_methods.$mod(value + 180, 360);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("Unknown channel " + channel.toString$0(0) + "."));
  	      }
  	      return t1;
  	    },
  	    _grayscale(colorArg) {
  	      var hsl, t2, oklch,
  	        color = colorArg.assertColor$1("color"),
  	        t1 = color._space;
  	      if (t1.get$isLegacyInternal()) {
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ2);
  	        t2 = hsl.alphaOrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        return A.SassColor_SassColor$hsl(hsl.channel0OrNull, 0, hsl.channel2OrNull, t2).toSpace$2$legacyMissing(t1, false);
  	      } else {
  	        oklch = color.toSpace$1(B.OklchColorSpace_9Gj);
  	        t2 = oklch.alphaOrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        return A.SassColor_SassColor$forSpaceInternal(B.OklchColorSpace_9Gj, oklch.channel0OrNull, 0, oklch.channel2OrNull, t2).toSpace$1(t1);
  	      }
  	    },
  	    _updateComponents($arguments, adjust, change, scale) {
  	      var t2, t3, keywords, originalColor, spaceKeyword, alphaArg, color, channelArgs, channelInfo, t4, value, channelIndex, result, i, alphaNumber, _null = null, _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        argumentList = type$.SassArgumentList._as(t1.$index($arguments, 1));
  	      if (argumentList._list$_contents.length !== 0)
  	        throw A.wrapException(A.SassScriptException$(string$.Only_op, _null));
  	      argumentList._wereKeywordsAccessed = true;
  	      t2 = type$.String;
  	      t3 = type$.Value;
  	      keywords = A.LinkedHashMap_LinkedHashMap$of(argumentList._keywords, t2, t3);
  	      originalColor = t1.$index($arguments, 0).assertColor$1("color");
  	      t1 = keywords.remove$1(0, _s5_);
  	      spaceKeyword = t1 == null ? _null : t1.assertString$1(_s5_);
  	      if (spaceKeyword == null)
  	        spaceKeyword = _null;
  	      else
  	        spaceKeyword.assertUnquoted$1(_s5_);
  	      alphaArg = keywords.remove$1(0, "alpha");
  	      t1 = spaceKeyword == null;
  	      if (t1 && originalColor._space.get$isLegacyInternal() && keywords.__js_helper$_length !== 0) {
  	        t1 = A.NullableExtension_andThen(A._sniffLegacyColorSpace(keywords), new A._updateComponents_closure(originalColor));
  	        color = t1 == null ? originalColor : t1;
  	      } else
  	        color = A._colorInSpace(originalColor, t1 ? B.C__SassNull : spaceKeyword, true);
  	      channelArgs = A.List_List$filled(color.get$channels().length, _null, false, type$.nullable_Value);
  	      t1 = color._space;
  	      channelInfo = t1._channels;
  	      for (t2 = A.MapExtensions_get_pairs(keywords, t2, t3), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = {};
  	        t4 = t2.get$current(t2);
  	        t3.name = null;
  	        t3.name = t4._0;
  	        value = t4._1;
  	        channelIndex = B.JSArray_methods.indexWhere$1(channelInfo, new A._updateComponents_closure0(t3));
  	        if (channelIndex === -1)
  	          throw A.wrapException(A.SassScriptException$("Color space " + t1.toString$0(0) + " doesn't have a channel with this name.", t3.name));
  	        channelArgs[channelIndex] = value;
  	      }
  	      if (change)
  	        result = A._changeColor(color, channelArgs, alphaArg);
  	      else {
  	        t2 = A._setArrayType([], type$.JSArray_nullable_SassNumber);
  	        for (i = 0; i < 3; ++i) {
  	          t3 = channelArgs[i];
  	          t2.push(t3 == null ? _null : t3.assertNumber$1(channelInfo[i].name));
  	        }
  	        alphaNumber = alphaArg == null ? _null : alphaArg.assertNumber$1("alpha");
  	        result = scale ? A.SassColor_SassColor$forSpaceInternal(t1, A._scaleChannel(color, channelInfo[0], color.channel0OrNull, t2[0]), A._scaleChannel(color, channelInfo[1], color.channel1OrNull, t2[1]), A._scaleChannel(color, channelInfo[2], color.channel2OrNull, t2[2]), A._scaleChannel(color, B.LinearChannel_XL8, color.alphaOrNull, alphaNumber)) : A._adjustColor(color, t2, alphaNumber);
  	      }
  	      return result.toSpace$2$legacyMissing(originalColor._space, false);
  	    },
  	    _changeColor(color, channelArgs, alphaArg) {
  	      var t4, _s5_ = "alpha",
  	        t1 = A._channelForChange(channelArgs[0], color, 0),
  	        t2 = A._channelForChange(channelArgs[1], color, 1),
  	        t3 = A._channelForChange(channelArgs[2], color, 2);
  	      $label0$0: {
  	        if (alphaArg == null) {
  	          t4 = color.alphaOrNull;
  	          if (t4 == null)
  	            t4 = 0;
  	          break $label0$0;
  	        }
  	        t4 = A._isNone(alphaArg);
  	        if (t4) {
  	          t4 = null;
  	          break $label0$0;
  	        }
  	        t4 = alphaArg instanceof A.SassNumber;
  	        if (t4 && !alphaArg.get$hasUnits()) {
  	          t4 = alphaArg.valueInRange$3(0, 1, _s5_);
  	          break $label0$0;
  	        }
  	        if (t4 && alphaArg.hasUnit$1("%")) {
  	          t4 = alphaArg.valueInRangeWithUnit$4(0, 100, _s5_, "%") / 100;
  	          break $label0$0;
  	        }
  	        if (t4) {
  	          t4 = new A._changeColor_closure(alphaArg).call$0();
  	          break $label0$0;
  	        }
  	        t4 = A.throwExpression(A.SassScriptException$(alphaArg.toString$0(0) + ' is not a number or unquoted "none".', _s5_));
  	      }
  	      return A._colorFromChannels(color._space, t1, t2, t3, t4, false, false);
  	    },
  	    _channelForChange(channelArg, color, channel) {
  	      var _0_0, t1, t2;
  	      if (channelArg == null) {
  	        _0_0 = color.get$channelsOrNull()[channel];
  	        $label0$0: {
  	          if (_0_0 != null) {
  	            t1 = color._space;
  	            t2 = A.SassNumber_SassNumber(_0_0, (t1 === B.HslColorSpace_JQ2 || t1 === B.HwbColorSpace_guQ) && channel > 0 ? "%" : null);
  	            t1 = t2;
  	            break $label0$0;
  	          }
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        return t1;
  	      }
  	      if (A._isNone(channelArg))
  	        return null;
  	      if (channelArg instanceof A.SassNumber)
  	        return channelArg;
  	      throw A.wrapException(A.SassScriptException$(channelArg.toString$0(0) + ' is not a number or unquoted "none".', color._space._channels[channel].name));
  	    },
  	    _scaleChannel(color, channel, oldValue, factorArg) {
  	      var t1, factor;
  	      if (factorArg == null)
  	        return oldValue;
  	      if (!(channel instanceof A.LinearChannel))
  	        throw A.wrapException(A.SassScriptException$("Channel isn't scalable.", channel.name));
  	      if (oldValue == null)
  	        A._missingChannelError(color, channel.name);
  	      t1 = channel.name;
  	      factorArg.assertUnit$2("%", t1);
  	      factor = factorArg.valueInRangeWithUnit$4(-100, 100, t1, "%") / 100;
  	      $label0$0: {
  	        if (0 === factor) {
  	          t1 = oldValue;
  	          break $label0$0;
  	        }
  	        if (factor > 0) {
  	          t1 = channel.max;
  	          t1 = oldValue >= t1 ? oldValue : oldValue + (t1 - oldValue) * factor;
  	          break $label0$0;
  	        }
  	        t1 = channel.min;
  	        t1 = oldValue <= t1 ? oldValue : oldValue + (oldValue - t1) * factor;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _adjustColor(color, channelArgs, alphaArg) {
  	      var t1 = color._space,
  	        t2 = t1._channels;
  	      return A.SassColor_SassColor$forSpaceInternal(t1, A._adjustChannel(color, t2[0], color.channel0OrNull, channelArgs[0]), A._adjustChannel(color, t2[1], color.channel1OrNull, channelArgs[1]), A._adjustChannel(color, t2[2], color.channel2OrNull, channelArgs[2]), A.NullableExtension_andThen(A._adjustChannel(color, B.LinearChannel_XL8, color.alphaOrNull, alphaArg), new A._adjustColor_closure()));
  	    },
  	    _adjustChannel(color, channel, oldValue, adjustmentArg) {
  	      var _0_1, _0_3, t1, _0_6_isSet, _0_6, _0_6_isSet0, t2, _0_11, result, min, max, _null = null;
  	      if (adjustmentArg == null)
  	        return oldValue;
  	      if (oldValue == null)
  	        A._missingChannelError(color, channel.name);
  	      $label0$0: {
  	        _0_1 = color._space;
  	        _0_3 = B.HslColorSpace_JQ2 === _0_1;
  	        t1 = _0_3;
  	        if (!t1)
  	          _0_6_isSet = B.HwbColorSpace_guQ === _0_1;
  	        else
  	          _0_6_isSet = true;
  	        if (_0_6_isSet) {
  	          t1 = channel.isPolarAngle;
  	          _0_6 = channel;
  	        } else {
  	          _0_6 = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          adjustmentArg = A.SassNumber_SassNumber(A._angleValue(adjustmentArg, "hue"), _null);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_3) {
  	          _0_6_isSet0 = true;
  	          if (_0_6_isSet)
  	            t2 = _0_6;
  	          else {
  	            t2 = channel;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_6 = t2;
  	          }
  	          if (t2 instanceof A.LinearChannel) {
  	            if (_0_6_isSet)
  	              t1 = _0_6;
  	            else {
  	              t1 = channel;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_6 = t1;
  	            }
  	            _0_11 = type$.LinearChannel._as(t1).name;
  	            t1 = _0_11;
  	            if ("saturation" !== t1)
  	              t1 = "lightness" === _0_11;
  	            else
  	              t1 = true;
  	          }
  	        }
  	        if (t1) {
  	          A._checkPercent(adjustmentArg, channel.name);
  	          adjustmentArg = A.SassNumber_SassNumber(adjustmentArg._number$_value, "%");
  	          break $label0$0;
  	        }
  	        if (B.LinearChannel_XL8 === (_0_6_isSet ? _0_6 : channel) && adjustmentArg.get$hasUnits()) {
  	          A.warnForDeprecation("$alpha: Passing a number with unit " + adjustmentArg.get$unitString() + string$.x20is_de + adjustmentArg.unitSuggestion$1("alpha") + string$.x0a_Morex3af, B.Deprecation_7TE);
  	          adjustmentArg = A.SassNumber_SassNumber(adjustmentArg._number$_value, _null);
  	        }
  	      }
  	      t1 = A._channelFromValue(channel, adjustmentArg, false);
  	      t1.toString;
  	      result = oldValue + t1;
  	      $label1$1: {
  	        t1 = channel instanceof A.LinearChannel;
  	        min = _null;
  	        t2 = false;
  	        if (t1)
  	          if (channel.lowerClamped) {
  	            min = channel.min;
  	            t2 = result < min;
  	          }
  	        if (t2) {
  	          t1 = oldValue < min ? Math.max(oldValue, result) : min;
  	          break $label1$1;
  	        }
  	        max = _null;
  	        t2 = false;
  	        if (t1)
  	          if (channel.upperClamped) {
  	            max = channel.max;
  	            t1 = result > max;
  	          } else
  	            t1 = t2;
  	        else
  	          t1 = t2;
  	        if (t1) {
  	          t1 = oldValue > max ? Math.min(oldValue, result) : max;
  	          break $label1$1;
  	        }
  	        t1 = result;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    _sniffLegacyColorSpace(keywords) {
  	      var t1, t2;
  	      for (t1 = new A.LinkedHashMapKeyIterator(keywords, keywords._modifications, keywords._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        if ("red" === t2 || "green" === t2 || "blue" === t2)
  	          return B.RgbColorSpace_i0P;
  	        if ("saturation" === t2 || "lightness" === t2)
  	          return B.HslColorSpace_JQ2;
  	        if ("whiteness" === t2 || "blackness" === t2)
  	          return B.HwbColorSpace_guQ;
  	      }
  	      return keywords.containsKey$1("hue") ? B.HslColorSpace_JQ2 : null;
  	    },
  	    _functionString($name, $arguments) {
  	      return new A.SassString($name + "(" + J.map$1$1$ax($arguments, new A._functionString_closure(), type$.String).join$1(0, ", ") + ")", false);
  	    },
  	    _removedColorFunction($name, argument, negative) {
  	      return A.BuiltInCallable$function($name, "$color, $amount", new A._removedColorFunction_closure($name, argument, negative), "sass:color");
  	    },
  	    _rgb($name, $arguments) {
  	      var t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        alpha = t1.get$length($arguments) > 3 ? t1.$index($arguments, 3) : null,
  	        t2 = true;
  	      if (!t1.$index($arguments, 0).get$isSpecialNumber())
  	        if (!t1.$index($arguments, 1).get$isSpecialNumber())
  	          if (!t1.$index($arguments, 2).get$isSpecialNumber()) {
  	            t2 = alpha == null ? null : alpha.get$isSpecialNumber();
  	            t2 = t2 === true;
  	          }
  	      if (t2)
  	        return A._functionString($name, $arguments);
  	      t2 = t1.$index($arguments, 0).assertNumber$1("red");
  	      t3 = t1.$index($arguments, 1).assertNumber$1("green");
  	      t1 = t1.$index($arguments, 2).assertNumber$1("blue");
  	      t4 = A.NullableExtension_andThen(alpha, new A._rgb_closure());
  	      return A._colorFromChannels(B.RgbColorSpace_i0P, t2, t3, t1, t4 == null ? 1 : t4, true, true);
  	    },
  	    _rgbTwoArg($name, $arguments) {
  	      var t2, color,
  	        t1 = J.getInterceptor$asx($arguments),
  	        first = t1.$index($arguments, 0),
  	        second = t1.$index($arguments, 1);
  	      if (!first.get$isSpecialVariable())
  	        t2 = !(first instanceof A.SassColor) && second.get$isSpecialVariable();
  	      else
  	        t2 = true;
  	      if (t2)
  	        return A._functionString($name, $arguments);
  	      color = first.assertColor$1("color");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$("Expected " + color.toString$0(0) + string$.x20to_be_ + color.toString$0(0) + ", $alpha: " + second.toString$0(0) + ")", $name));
  	      color.assertLegacy$1("color");
  	      color = color.toSpace$1(B.RgbColorSpace_i0P);
  	      if (second.get$isSpecialNumber())
  	        return A._functionString($name, A._setArrayType([A.SassNumber_SassNumber(color.channel$1(0, "red"), null), A.SassNumber_SassNumber(color.channel$1(0, "green"), null), A.SassNumber_SassNumber(color.channel$1(0, "blue"), null), t1.$index($arguments, 1)], type$.JSArray_Value));
  	      t1 = A._percentageOrUnitless(t1.$index($arguments, 1).assertNumber$1("alpha"), 1, "alpha");
  	      return color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	    },
  	    _hsl($name, $arguments) {
  	      var t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        alpha = t1.get$length($arguments) > 3 ? t1.$index($arguments, 3) : null,
  	        t2 = true;
  	      if (!t1.$index($arguments, 0).get$isSpecialNumber())
  	        if (!t1.$index($arguments, 1).get$isSpecialNumber())
  	          if (!t1.$index($arguments, 2).get$isSpecialNumber()) {
  	            t2 = alpha == null ? null : alpha.get$isSpecialNumber();
  	            t2 = t2 === true;
  	          }
  	      if (t2)
  	        return A._functionString($name, $arguments);
  	      t2 = t1.$index($arguments, 0).assertNumber$1("hue");
  	      t3 = t1.$index($arguments, 1).assertNumber$1("saturation");
  	      t1 = t1.$index($arguments, 2).assertNumber$1("lightness");
  	      t4 = A.NullableExtension_andThen(alpha, new A._hsl_closure());
  	      return A._colorFromChannels(B.HslColorSpace_JQ2, t2, t3, t1, t4 == null ? 1 : t4, true, false);
  	    },
  	    _angleValue(angleValue, $name) {
  	      var angle = angleValue.assertNumber$1($name);
  	      if (angle.compatibleWithUnit$1("deg"))
  	        return angle.coerceValueToUnit$1("deg");
  	      A.warnForDeprecation("$" + $name + ": Passing a unit other than deg (" + angle.toString$0(0) + string$.x29x20is_d_ + angle.unitSuggestion$1($name) + string$.x0a_See_, B.Deprecation_7TE);
  	      return angle._number$_value;
  	    },
  	    _checkPercent(number, $name) {
  	      if (number.hasUnit$1("%"))
  	        return;
  	      A.warnForDeprecation("$" + $name + ": Passing a number without unit % (" + number.toString$0(0) + string$.x29x20is_d_ + number.unitSuggestion$2($name, "%") + string$.x0a_Morex3af, B.Deprecation_7TE);
  	    },
  	    _percentageOrUnitless(number, max, $name) {
  	      var value;
  	      if (!number.get$hasUnits())
  	        value = number._number$_value;
  	      else if (number.hasUnit$1("%"))
  	        value = max * number._number$_value / 100;
  	      else
  	        throw A.wrapException(A.SassScriptException$("Expected " + number.toString$0(0) + ' to have unit "%" or no units.', $name));
  	      return value;
  	    },
  	    _mixLegacy(color1, color2, weight) {
  	      var t2, alphaDistance, weight1, weight2, t3, t4, t5, t6, t7, t8,
  	        rgb1 = color1.toSpace$1(B.RgbColorSpace_i0P),
  	        rgb2 = color2.toSpace$1(B.RgbColorSpace_i0P),
  	        weightScale = weight.valueInRange$3(0, 100, "weight") / 100,
  	        normalizedWeight = weightScale * 2 - 1,
  	        t1 = color1.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = color2.alphaOrNull;
  	      alphaDistance = t1 - (t2 == null ? 0 : t2);
  	      t1 = normalizedWeight * alphaDistance;
  	      weight1 = ((t1 === -1 ? normalizedWeight : (normalizedWeight + alphaDistance) / (1 + t1)) + 1) / 2;
  	      weight2 = 1 - weight1;
  	      t1 = rgb1.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = rgb2.channel0OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = rgb1.channel1OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      t4 = rgb2.channel1OrNull;
  	      if (t4 == null)
  	        t4 = 0;
  	      t5 = rgb1.channel2OrNull;
  	      if (t5 == null)
  	        t5 = 0;
  	      t6 = rgb2.channel2OrNull;
  	      if (t6 == null)
  	        t6 = 0;
  	      t7 = rgb1.alphaOrNull;
  	      if (t7 == null)
  	        t7 = 0;
  	      t8 = rgb2.alphaOrNull;
  	      if (t8 == null)
  	        t8 = 0;
  	      return A.SassColor_SassColor$rgbInternal(t1 * weight1 + t2 * weight2, t3 * weight1 + t4 * weight2, t5 * weight1 + t6 * weight2, t7 * weightScale + t8 * (1 - weightScale), null);
  	    },
  	    _opacify($name, $arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$($name + string$.x28__is_oa, null));
  	      t1 = color.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t1 += amount.valueInRangeWithUnit$4(0, 1, "amount", "");
  	      result = color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	      A.warnForDeprecation($name + "() is deprecated. " + A._suggestScaleAndAdjust(color, amount._number$_value, "alpha") + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    _transparentize($name, $arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$($name + string$.x28__is_oa, null));
  	      t1 = color.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t1 -= amount.valueInRangeWithUnit$4(0, 1, "amount", "");
  	      result = color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	      A.warnForDeprecation($name + "() is deprecated. " + A._suggestScaleAndAdjust(color, -amount._number$_value, "alpha") + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    _colorInSpace(colorUntyped, spaceUntyped, legacyMissing) {
  	      var t1, _s5_ = "space",
  	        color = colorUntyped.assertColor$1("color");
  	      if (spaceUntyped.$eq(0, B.C__SassNull))
  	        return color;
  	      t1 = spaceUntyped.assertString$1(_s5_);
  	      t1.assertUnquoted$1(_s5_);
  	      return color.toSpace$2$legacyMissing(A.ColorSpace_fromName(t1._string$_text, _s5_), legacyMissing);
  	    },
  	    _parseChannels(functionName, input, $name, space) {
  	      var parsedSlash, components, alphaValue, _2_0, _2_1, _2_5, t1, t2, _2_6, _2_6_isSet, channels, first, rest, componentList, spaceName, i, channel, channelName, t3, t4, _null = null;
  	      if (input.get$isSpecialVariable())
  	        return A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	      parsedSlash = A._parseSlashChannels(input, $name);
  	      if (parsedSlash == null)
  	        return A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	      components = parsedSlash._0;
  	      alphaValue = parsedSlash._1;
  	      $label0$0: {
  	        _2_0 = components.assertCommonListStyle$2$allowSlash($name, false);
  	        _2_1 = _2_0.length;
  	        if (_2_1 <= 0)
  	          throw A.wrapException(A.SassScriptException$("Color component list may not be empty.", $name));
  	        _2_5 = _2_1 >= 1;
  	        t1 = _2_5;
  	        t2 = false;
  	        if (t1) {
  	          _2_6 = _2_0[0];
  	          if (_2_6 instanceof A.SassString) {
  	            type$.SassString._as(_2_6);
  	            t1 = !_2_6._hasQuotes && _2_6._string$_text.toLowerCase() === "from";
  	          } else
  	            t1 = t2;
  	          _2_6_isSet = true;
  	        } else {
  	          t1 = t2;
  	          _2_6 = _null;
  	          _2_6_isSet = false;
  	        }
  	        if (t1)
  	          return A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	        t1 = components.get$isSpecialVariable();
  	        if (t1) {
  	          channels = A._setArrayType([components], type$.JSArray_Value);
  	          break $label0$0;
  	        }
  	        channels = _null;
  	        if (_2_5) {
  	          first = _2_6_isSet ? _2_6 : _2_0[0];
  	          rest = B.JSArray_methods.sublist$1(_2_0, 1);
  	          componentList = _2_0;
  	          t1 = true;
  	        } else {
  	          componentList = channels;
  	          rest = componentList;
  	          first = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          if (space == null) {
  	            spaceName = first.assertString$1($name);
  	            spaceName.assertUnquoted$1($name);
  	            space = spaceName.get$isSpecialVariable() ? _null : A.ColorSpace_fromName(spaceName._string$_text, $name);
  	            if (B.RgbColorSpace_i0P === space || B.HslColorSpace_JQ2 === space || B.HwbColorSpace_guQ === space || B.LabColorSpace_2nT === space || B.LchColorSpace_Bpv === space || B.OklabColorSpace_540 === space || B.OklchColorSpace_9Gj === space)
  	              throw A.wrapException(A.SassScriptException$(string$.The_co + A.S(space) + ". Use the " + A.S(space) + "() function instead.", $name));
  	            channels = rest;
  	          } else
  	            channels = componentList;
  	          for (i = 0; i < channels.length; ++i) {
  	            channel = channels[i];
  	            t1 = false;
  	            if (!channel.get$isSpecialNumber())
  	              if (!(channel instanceof A.SassNumber))
  	                t1 = !(channel instanceof A.SassString && !channel._hasQuotes && channel._string$_text.toLowerCase() === "none");
  	            if (t1) {
  	              t1 = _null;
  	              if (space == null)
  	                channelName = t1;
  	              else {
  	                t2 = space._channels;
  	                t2 = i < 3 ? t2[i] : _null;
  	                if (!(t2 == null))
  	                  t1 = new A._parseChannels_closure().call$1(t2.name);
  	                channelName = t1;
  	              }
  	              if (channelName == null)
  	                channelName = "channel " + (i + 1);
  	              throw A.wrapException(A.SassScriptException$("Expected " + channelName + " to be a number, was " + channel.toString$0(0) + ".", $name));
  	            }
  	          }
  	          break $label0$0;
  	        }
  	        throw A.wrapException("unreachable");
  	      }
  	      t1 = alphaValue == null;
  	      t2 = t1 ? _null : alphaValue.get$isSpecialNumber();
  	      if (t2 === true) {
  	        if (channels.length === 3 && B.Set_9FDyj.contains$1(0, space)) {
  	          t1 = A.List_List$_of(channels, type$.Value);
  	          alphaValue.toString;
  	          t1.push(alphaValue);
  	          t1 = A._functionString(functionName, t1);
  	        } else
  	          t1 = A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	        return t1;
  	      }
  	      $label1$1: {
  	        if (t1) {
  	          t2 = 1;
  	          break $label1$1;
  	        }
  	        if (alphaValue instanceof A.SassString && !alphaValue._hasQuotes && "none" === alphaValue._string$_text) {
  	          t2 = _null;
  	          break $label1$1;
  	        }
  	        t2 = A._percentageOrUnitless(alphaValue.assertNumber$1($name), 1, "alpha");
  	        t2 = isNaN(t2) ? 0 : B.JSNumber_methods.clamp$2(t2, 0, 1);
  	        break $label1$1;
  	      }
  	      if (space == null)
  	        return A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	      if (B.JSArray_methods.any$1(channels, new A._parseChannels_closure0())) {
  	        if (channels.length === 3 && B.Set_9FDyj.contains$1(0, space)) {
  	          t2 = A.List_List$_of(channels, type$.Value);
  	          if (!t1)
  	            t2.push(alphaValue);
  	          t1 = A._functionString(functionName, t2);
  	        } else
  	          t1 = A._functionString(functionName, A._setArrayType([input], type$.JSArray_Value));
  	        return t1;
  	      }
  	      if (channels.length !== 3)
  	        throw A.wrapException(A.SassScriptException$("The " + space.toString$0(0) + " color space has 3 channels but " + input.toString$0(0) + " has " + channels.length + ".", $name));
  	      t1 = channels[0];
  	      t1 = t1 instanceof A.SassNumber ? t1 : _null;
  	      t3 = channels[1];
  	      t3 = t3 instanceof A.SassNumber ? t3 : _null;
  	      t4 = channels[2];
  	      t4 = t4 instanceof A.SassNumber ? t4 : _null;
  	      return A._colorFromChannels(space, t1, t3, t4, t2, true, space === B.RgbColorSpace_i0P);
  	    },
  	    _parseSlashChannels(input, $name) {
  	      var _1_1, alphaValue, t1, components, _1_7, _1_8, _1_9, initial, t2, _1_8_isSet, _1_9_isSet, _0_0, _0_1, channel3, alpha, _1_16, _1_16_isSet, _1_9_isSet0, t3, _null = null,
  	        _1_0 = input.assertCommonListStyle$2$allowSlash($name, true);
  	      $label0$0: {
  	        _1_1 = _1_0.length;
  	        alphaValue = _null;
  	        t1 = false;
  	        if (_1_1 === 2) {
  	          components = _1_0[0];
  	          alphaValue = _1_0[1];
  	          t1 = input.get$separator(input) === B.ListSeparator_Lul;
  	        } else
  	          components = _null;
  	        if (t1) {
  	          t1 = new A._Record_2(components, alphaValue);
  	          break $label0$0;
  	        }
  	        t1 = input.get$separator(input);
  	        if (t1 === B.ListSeparator_Lul) {
  	          t1 = _1_0.length;
  	          A.throwExpression(A.SassScriptException$(string$.Only_2 + t1 + " " + A.pluralize("was", t1, "were") + " passed.", $name));
  	        }
  	        _1_7 = _1_1 >= 1;
  	        t1 = _1_7;
  	        _1_8 = _null;
  	        _1_9 = _null;
  	        initial = _null;
  	        t2 = false;
  	        if (t1) {
  	          _1_8 = B.JSArray_methods.sublist$2(_1_0, 0, _1_1 - 1);
  	          initial = _1_8;
  	          _1_9 = _1_0[_1_1 - 1];
  	          t1 = _1_9;
  	          if (t1 instanceof A.SassString) {
  	            type$.SassString._as(_1_9);
  	            t1 = !_1_9._hasQuotes;
  	          } else
  	            t1 = t2;
  	          _1_8_isSet = true;
  	          _1_9_isSet = true;
  	        } else {
  	          t1 = t2;
  	          _1_8_isSet = false;
  	          _1_9_isSet = false;
  	        }
  	        if (t1) {
  	          if (_1_9_isSet)
  	            t1 = _1_9;
  	          else {
  	            _1_9 = _1_0[_1_1 - 1];
  	            t1 = _1_9;
  	          }
  	          _0_0 = type$.SassString._as(t1)._string$_text.split("/");
  	          $label1$1: {
  	            _0_1 = _0_0.length;
  	            if (_0_1 === 1) {
  	              t1 = new A._Record_2(input, _null);
  	              break $label1$1;
  	            }
  	            if (_0_1 === 2) {
  	              channel3 = _0_0[0];
  	              alpha = _0_0[1];
  	              t1 = A.List_List$_of(initial, type$.Value);
  	              t1.push(A._parseNumberOrString(channel3));
  	              t1 = new A._Record_2(A.SassList$(t1, B.ListSeparator_SrV, false), A._parseNumberOrString(alpha));
  	              break $label1$1;
  	            }
  	            t1 = _null;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        _1_16 = _null;
  	        _1_16_isSet = false;
  	        t1 = false;
  	        if (_1_7) {
  	          _1_9_isSet0 = true;
  	          if (_1_8_isSet)
  	            initial = _1_8;
  	          else {
  	            _1_8 = B.JSArray_methods.sublist$2(_1_0, 0, _1_1 - 1);
  	            initial = _1_8;
  	          }
  	          if (_1_9_isSet)
  	            t2 = _1_9;
  	          else {
  	            _1_9 = _1_0[_1_1 - 1];
  	            t2 = _1_9;
  	            _1_9_isSet = _1_9_isSet0;
  	          }
  	          _1_16_isSet = t2 instanceof A.SassNumber;
  	          if (_1_16_isSet) {
  	            if (_1_9_isSet)
  	              t1 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t1 = _1_9;
  	              _1_9_isSet = _1_9_isSet0;
  	            }
  	            _1_16 = type$.SassNumber._as(t1).asSlash;
  	            t1 = _1_16;
  	            t1 = type$.Record_2_nullable_Object_and_nullable_Object._is(t1);
  	          }
  	        } else
  	          initial = _null;
  	        if (t1) {
  	          if (_1_16_isSet)
  	            t1 = _1_16;
  	          else {
  	            if (_1_9_isSet)
  	              t1 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t1 = _1_9;
  	              _1_9_isSet = true;
  	            }
  	            _1_16 = type$.SassNumber._as(t1).asSlash;
  	            t1 = _1_16;
  	            _1_16_isSet = true;
  	          }
  	          if (t1 == null)
  	            t1 = type$.Record_2_nullable_Object_and_nullable_Object._as(t1);
  	          if (_1_16_isSet)
  	            t2 = _1_16;
  	          else {
  	            if (_1_9_isSet)
  	              t2 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t2 = _1_9;
  	            }
  	            _1_16 = type$.SassNumber._as(t2).asSlash;
  	            t2 = _1_16;
  	          }
  	          if (t2 == null)
  	            t2 = type$.Record_2_nullable_Object_and_nullable_Object._as(t2);
  	          t3 = A.List_List$_of(initial, type$.Value);
  	          t3.push(t1._0);
  	          t1 = new A._Record_2(A.SassList$(t3, B.ListSeparator_SrV, false), t2._1);
  	          break $label0$0;
  	        }
  	        t1 = new A._Record_2(input, _null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _parseNumberOrString(text) {
  	      var t1, expression;
  	      try {
  	        t1 = A.ScssParser$(text, false, null);
  	        expression = t1._parseSingleProduction$1$1(t1.get$_number(), type$.NumberExpression);
  	        t1 = A.SassNumber_SassNumber(expression.value, expression.unit);
  	        return t1;
  	      } catch (exception) {
  	        if (type$.SassFormatException._is(A.unwrapException(exception)))
  	          return new A.SassString(text, false);
  	        else
  	          throw exception;
  	      }
  	    },
  	    _colorFromChannels(space, channel0, channel1, channel2, alpha, clamp, fromRgbFunction) {
  	      var t1, t2, whiteness, blackness, t3;
  	      switch (space) {
  	        case B.HslColorSpace_JQ2:
  	          if (channel1 != null)
  	            A._checkPercent(channel1, "saturation");
  	          if (channel2 != null)
  	            A._checkPercent(channel2, "lightness");
  	          t1 = space._channels;
  	          return A.SassColor_SassColor$hsl(A.NullableExtension_andThen(channel0, new A._colorFromChannels_closure()), A._channelFromValue(t1[1], A._forcePercent(channel1), clamp), A._channelFromValue(t1[2], A._forcePercent(channel2), clamp), alpha);
  	        case B.HwbColorSpace_guQ:
  	          t1 = channel1 == null;
  	          if (!t1)
  	            channel1.assertUnit$2("%", "whiteness");
  	          t2 = channel2 == null;
  	          if (!t2)
  	            channel2.assertUnit$2("%", "blackness");
  	          whiteness = t1 ? null : channel1._number$_value;
  	          blackness = t2 ? null : channel2._number$_value;
  	          if (whiteness != null && blackness != null && whiteness + blackness > 100) {
  	            t1 = whiteness + blackness;
  	            whiteness = whiteness / t1 * 100;
  	            blackness = blackness / t1 * 100;
  	          }
  	          return A.SassColor_SassColor$hwb(A.NullableExtension_andThen(channel0, new A._colorFromChannels_closure0()), whiteness, blackness, alpha);
  	        case B.RgbColorSpace_i0P:
  	          t1 = space._channels;
  	          t2 = A._channelFromValue(t1[0], channel0, clamp);
  	          t3 = A._channelFromValue(t1[1], channel1, clamp);
  	          t1 = A._channelFromValue(t1[2], channel2, clamp);
  	          return A.SassColor_SassColor$rgbInternal(t2, t3, t1, alpha, fromRgbFunction ? B.C__ColorFormatEnum : null);
  	        default:
  	          t1 = space._channels;
  	          return A.SassColor_SassColor$forSpaceInternal(space, A._channelFromValue(t1[0], channel0, clamp), A._channelFromValue(t1[1], channel1, clamp), A._channelFromValue(t1[2], channel2, clamp), alpha);
  	      }
  	    },
  	    _forcePercent(number) {
  	      var t1, _0_3;
  	      $label0$0: {
  	        if (number == null) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        _0_3 = number.get$numeratorUnits(number);
  	        if (_0_3.length === 1)
  	          t1 = "%" === _0_3[0] && number.get$denominatorUnits(number).length <= 0;
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = number;
  	          break $label0$0;
  	        }
  	        t1 = A.SassNumber_SassNumber(number._number$_value, "%");
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _channelFromValue(channel, value, clamp) {
  	      return A.NullableExtension_andThen(value, new A._channelFromValue_closure(channel, clamp));
  	    },
  	    _isNone(value) {
  	      return value instanceof A.SassString && !value._hasQuotes && value._string$_text.toLowerCase() === "none";
  	    },
  	    _channelFunction($name, space, getter, global, unit) {
  	      return A.BuiltInCallable$function($name, "$color", new A._channelFunction_closure(getter, unit, global, $name, space), "sass:color");
  	    },
  	    _suggestScaleAndAdjust(original, adjustment, channelName) {
  	      var t2, oldValue, newValue, factor, t3, suggestion,
  	        channel = channelName === "alpha" ? B.LinearChannel_XL8 : type$.LinearChannel._as(B.JSArray_methods.firstWhere$1(B.List_oAL, new A._suggestScaleAndAdjust_closure(channelName))),
  	        t1 = channel === B.LinearChannel_XL8;
  	      if (t1) {
  	        t2 = original.alphaOrNull;
  	        oldValue = t2 == null ? 0 : t2;
  	      } else
  	        oldValue = original.toSpace$1(B.HslColorSpace_JQ2).channel$1(0, channelName);
  	      newValue = oldValue + adjustment;
  	      if (adjustment !== 0) {
  	        factor = A._Cell$();
  	        t2 = channel.max;
  	        if (newValue > t2)
  	          factor.__late_helper$_value = 1;
  	        else {
  	          t3 = channel.min;
  	          if (newValue < t3)
  	            factor.__late_helper$_value = -1;
  	          else if (adjustment > 0)
  	            factor.__late_helper$_value = adjustment / (t2 - oldValue);
  	          else
  	            factor.__late_helper$_value = (newValue - oldValue) / (oldValue - t3);
  	        }
  	        suggestion = "Suggestion" + ("s:\n\ncolor.scale($color, $" + channelName + ": " + A.serializeValue(A.SassNumber_SassNumber(factor._readLocal$0() * 100, "%"), false, true) + ")\n");
  	      } else
  	        suggestion = "Suggestion:\n\n";
  	      return suggestion + ("color.adjust($color, $" + channelName + ": " + A.serializeValue(A.SassNumber_SassNumber(adjustment, t1 ? null : "%"), false, true) + ")");
  	    },
  	    _missingChannelError(color, channel) {
  	      return A.throwExpression(A.SassScriptException$(string$.Becaus + color.toCssString$0() + ").", channel));
  	    },
  	    _channelName(value) {
  	      var t1 = value.assertString$1("channel");
  	      t1.assertQuoted$1("channel");
  	      return t1._string$_text;
  	    },
  	    _function5($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:color");
  	    },
  	    global_closure0: function global_closure0() {
  	    },
  	    global_closure1: function global_closure1() {
  	    },
  	    global_closure2: function global_closure2() {
  	    },
  	    global_closure3: function global_closure3() {
  	    },
  	    global_closure4: function global_closure4() {
  	    },
  	    global_closure5: function global_closure5() {
  	    },
  	    global_closure6: function global_closure6() {
  	    },
  	    global_closure7: function global_closure7() {
  	    },
  	    global_closure8: function global_closure8() {
  	    },
  	    global_closure9: function global_closure9() {
  	    },
  	    global_closure10: function global_closure10() {
  	    },
  	    global_closure11: function global_closure11() {
  	    },
  	    global_closure12: function global_closure12() {
  	    },
  	    global_closure13: function global_closure13() {
  	    },
  	    global_closure14: function global_closure14() {
  	    },
  	    global_closure15: function global_closure15() {
  	    },
  	    global_closure16: function global_closure16() {
  	    },
  	    global_closure17: function global_closure17() {
  	    },
  	    global_closure18: function global_closure18() {
  	    },
  	    global_closure19: function global_closure19() {
  	    },
  	    global_closure20: function global_closure20() {
  	    },
  	    global_closure21: function global_closure21() {
  	    },
  	    global_closure22: function global_closure22() {
  	    },
  	    global_closure23: function global_closure23() {
  	    },
  	    global_closure24: function global_closure24() {
  	    },
  	    global_closure25: function global_closure25() {
  	    },
  	    global_closure26: function global_closure26() {
  	    },
  	    global_closure27: function global_closure27() {
  	    },
  	    global_closure28: function global_closure28() {
  	    },
  	    global_closure29: function global_closure29() {
  	    },
  	    global_closure30: function global_closure30() {
  	    },
  	    global_closure31: function global_closure31() {
  	    },
  	    global_closure32: function global_closure32() {
  	    },
  	    global_closure33: function global_closure33() {
  	    },
  	    global_closure34: function global_closure34() {
  	    },
  	    global_closure35: function global_closure35() {
  	    },
  	    global__closure: function global__closure() {
  	    },
  	    global_closure36: function global_closure36() {
  	    },
  	    global_closure37: function global_closure37() {
  	    },
  	    global_closure38: function global_closure38() {
  	    },
  	    global_closure39: function global_closure39() {
  	    },
  	    global_closure40: function global_closure40() {
  	    },
  	    global_closure41: function global_closure41() {
  	    },
  	    global_closure42: function global_closure42() {
  	    },
  	    module_closure1: function module_closure1() {
  	    },
  	    module_closure2: function module_closure2() {
  	    },
  	    module_closure3: function module_closure3() {
  	    },
  	    module_closure4: function module_closure4() {
  	    },
  	    module_closure5: function module_closure5() {
  	    },
  	    module_closure6: function module_closure6() {
  	    },
  	    module_closure7: function module_closure7() {
  	    },
  	    module_closure8: function module_closure8() {
  	    },
  	    module_closure9: function module_closure9() {
  	    },
  	    module_closure10: function module_closure10() {
  	    },
  	    module_closure11: function module_closure11() {
  	    },
  	    module_closure12: function module_closure12() {
  	    },
  	    module_closure13: function module_closure13() {
  	    },
  	    module_closure14: function module_closure14() {
  	    },
  	    module__closure2: function module__closure2() {
  	    },
  	    module_closure15: function module_closure15() {
  	    },
  	    module_closure16: function module_closure16() {
  	    },
  	    module_closure17: function module_closure17() {
  	    },
  	    module_closure18: function module_closure18() {
  	    },
  	    module_closure19: function module_closure19() {
  	    },
  	    module_closure20: function module_closure20() {
  	    },
  	    module_closure21: function module_closure21() {
  	    },
  	    module_closure22: function module_closure22() {
  	    },
  	    module__closure1: function module__closure1(t0) {
  	      this.channelName = t0;
  	    },
  	    module_closure23: function module_closure23() {
  	    },
  	    module_closure_toXyzNoMissing: function module_closure_toXyzNoMissing() {
  	    },
  	    module_closure24: function module_closure24() {
  	    },
  	    _mix_closure: function _mix_closure() {
  	    },
  	    _complement_closure: function _complement_closure() {
  	    },
  	    _adjust_closure: function _adjust_closure() {
  	    },
  	    _scale_closure: function _scale_closure() {
  	    },
  	    _change_closure: function _change_closure() {
  	    },
  	    _ieHexStr_closure: function _ieHexStr_closure() {
  	    },
  	    _ieHexStr_closure_hexString: function _ieHexStr_closure_hexString() {
  	    },
  	    _updateComponents_closure: function _updateComponents_closure(t0) {
  	      this.originalColor = t0;
  	    },
  	    _updateComponents_closure0: function _updateComponents_closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    _changeColor_closure: function _changeColor_closure(t0) {
  	      this.alphaArg = t0;
  	    },
  	    _adjustColor_closure: function _adjustColor_closure() {
  	    },
  	    _functionString_closure: function _functionString_closure() {
  	    },
  	    _removedColorFunction_closure: function _removedColorFunction_closure(t0, t1, t2) {
  	      this.name = t0;
  	      this.argument = t1;
  	      this.negative = t2;
  	    },
  	    _rgb_closure: function _rgb_closure() {
  	    },
  	    _hsl_closure: function _hsl_closure() {
  	    },
  	    _parseChannels_closure: function _parseChannels_closure() {
  	    },
  	    _parseChannels_closure0: function _parseChannels_closure0() {
  	    },
  	    _colorFromChannels_closure: function _colorFromChannels_closure() {
  	    },
  	    _colorFromChannels_closure0: function _colorFromChannels_closure0() {
  	    },
  	    _channelFromValue_closure: function _channelFromValue_closure(t0, t1) {
  	      this.channel = t0;
  	      this.clamp = t1;
  	    },
  	    _channelFunction_closure: function _channelFunction_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.getter = t0;
  	      _.unit = t1;
  	      _.global = t2;
  	      _.name = t3;
  	      _.space = t4;
  	    },
  	    _suggestScaleAndAdjust_closure: function _suggestScaleAndAdjust_closure(t0) {
  	      this.channelName = t0;
  	    },
  	    _function4($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:list");
  	    },
  	    _length_closure0: function _length_closure0() {
  	    },
  	    _nth_closure: function _nth_closure() {
  	    },
  	    _setNth_closure: function _setNth_closure() {
  	    },
  	    _join_closure: function _join_closure() {
  	    },
  	    _append_closure0: function _append_closure0() {
  	    },
  	    _zip_closure: function _zip_closure() {
  	    },
  	    _zip__closure: function _zip__closure() {
  	    },
  	    _zip__closure0: function _zip__closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    _zip__closure1: function _zip__closure1(t0) {
  	      this._box_0 = t0;
  	    },
  	    _index_closure0: function _index_closure0() {
  	    },
  	    _separator_closure: function _separator_closure() {
  	    },
  	    _isBracketed_closure: function _isBracketed_closure() {
  	    },
  	    _slash_closure: function _slash_closure() {
  	    },
  	    _modify(map, keys, modify, addNesting) {
  	      var keyIterator = J.get$iterator$ax(keys);
  	      return keyIterator.moveNext$0() ? new A._modify_modifyNestedMap(keyIterator, modify, addNesting).call$1(map) : modify.call$1(map);
  	    },
  	    _deepMergeImpl(map1, map2) {
  	      var t2, t3, result, t4, key, value, _1_1, _1_3, _1_3_isSet, resultMap, _1_30, valueMap, merged,
  	        t1 = map1._map$_contents;
  	      if (t1.get$isEmpty(t1))
  	        return map2;
  	      t2 = map2._map$_contents;
  	      if (t2.get$isEmpty(t2))
  	        return map1;
  	      t3 = type$.Value;
  	      result = A.LinkedHashMap_LinkedHashMap$of(t1, t3, t3);
  	      for (t1 = A.MapExtensions_get_pairs(t2, t3, t3), t1 = t1.get$iterator(t1), t2 = type$.SassMap; t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        key = t4._0;
  	        value = t4._1;
  	        t4 = result.$index(0, key);
  	        _1_1 = t4 == null ? null : t4.tryMap$0();
  	        _1_3 = value.tryMap$0();
  	        _1_3_isSet = _1_1 != null;
  	        t4 = false;
  	        if (_1_3_isSet) {
  	          t4 = _1_3 != null;
  	          resultMap = _1_1;
  	          _1_30 = _1_3;
  	        } else {
  	          _1_30 = null;
  	          resultMap = null;
  	        }
  	        if (t4) {
  	          valueMap = _1_3_isSet ? _1_30 : _1_3;
  	          merged = A._deepMergeImpl(resultMap, valueMap == null ? t2._as(valueMap) : valueMap);
  	          if (merged === resultMap)
  	            continue;
  	          result.$indexSet(0, key, merged);
  	        } else
  	          result.$indexSet(0, key, value);
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(result, t3, t3));
  	    },
  	    _function3($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:map");
  	    },
  	    _get_closure: function _get_closure() {
  	    },
  	    _set_closure: function _set_closure() {
  	    },
  	    _set__closure0: function _set__closure0(t0) {
  	      this.$arguments = t0;
  	    },
  	    _set_closure0: function _set_closure0() {
  	    },
  	    _set__closure: function _set__closure(t0) {
  	      this._box_0 = t0;
  	    },
  	    _merge_closure: function _merge_closure() {
  	    },
  	    _merge_closure0: function _merge_closure0() {
  	    },
  	    _merge__closure: function _merge__closure(t0) {
  	      this.map2 = t0;
  	    },
  	    _deepMerge_closure: function _deepMerge_closure() {
  	    },
  	    _deepRemove_closure: function _deepRemove_closure() {
  	    },
  	    _deepRemove__closure: function _deepRemove__closure(t0) {
  	      this.keys = t0;
  	    },
  	    _remove_closure: function _remove_closure() {
  	    },
  	    _remove_closure0: function _remove_closure0() {
  	    },
  	    _keys_closure: function _keys_closure() {
  	    },
  	    _values_closure: function _values_closure() {
  	    },
  	    _hasKey_closure: function _hasKey_closure() {
  	    },
  	    _modify_modifyNestedMap: function _modify_modifyNestedMap(t0, t1, t2) {
  	      this.keyIterator = t0;
  	      this.modify = t1;
  	      this.addNesting = t2;
  	    },
  	    _singleArgumentMathFunc($name, mathFunc) {
  	      return A.BuiltInCallable$function($name, "$number", new A._singleArgumentMathFunc_closure(mathFunc), "sass:math");
  	    },
  	    _numberFunction($name, transform) {
  	      return A.BuiltInCallable$function($name, "$number", new A._numberFunction_closure(transform), "sass:math");
  	    },
  	    _function2($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:math");
  	    },
  	    global_closure: function global_closure() {
  	    },
  	    module_closure0: function module_closure0() {
  	    },
  	    _ceil_closure: function _ceil_closure() {
  	    },
  	    _clamp_closure: function _clamp_closure() {
  	    },
  	    _floor_closure: function _floor_closure() {
  	    },
  	    _max_closure: function _max_closure() {
  	    },
  	    _min_closure: function _min_closure() {
  	    },
  	    _round_closure: function _round_closure() {
  	    },
  	    _hypot_closure: function _hypot_closure() {
  	    },
  	    _hypot__closure: function _hypot__closure() {
  	    },
  	    _log_closure: function _log_closure() {
  	    },
  	    _pow_closure: function _pow_closure() {
  	    },
  	    _atan2_closure: function _atan2_closure() {
  	    },
  	    _compatible_closure: function _compatible_closure() {
  	    },
  	    _isUnitless_closure: function _isUnitless_closure() {
  	    },
  	    _unit_closure: function _unit_closure() {
  	    },
  	    _percentage_closure: function _percentage_closure() {
  	    },
  	    _randomFunction_closure: function _randomFunction_closure() {
  	    },
  	    _div_closure: function _div_closure() {
  	    },
  	    _singleArgumentMathFunc_closure: function _singleArgumentMathFunc_closure(t0) {
  	      this.mathFunc = t0;
  	    },
  	    _numberFunction_closure: function _numberFunction_closure(t0) {
  	      this.transform = t0;
  	    },
  	    _function($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:meta");
  	    },
  	    _shared_closure: function _shared_closure() {
  	    },
  	    _shared_closure0: function _shared_closure0() {
  	    },
  	    _shared_closure1: function _shared_closure1() {
  	    },
  	    _shared_closure2: function _shared_closure2() {
  	    },
  	    moduleFunctions_closure: function moduleFunctions_closure() {
  	    },
  	    moduleFunctions_closure0: function moduleFunctions_closure0() {
  	    },
  	    moduleFunctions__closure: function moduleFunctions__closure() {
  	    },
  	    moduleFunctions_closure1: function moduleFunctions_closure1() {
  	    },
  	    _prependParent(compound) {
  	      var _0_3, _0_4, t2, t3, rest,
  	        t1 = A.EvaluationContext_currentOrNull(),
  	        span = (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan(),
  	        _0_0 = compound.components;
  	      $label0$0: {
  	        _0_3 = _0_0.length >= 1;
  	        if (_0_3) {
  	          _0_4 = _0_0[0];
  	          t1 = _0_4 instanceof A.UniversalSelector;
  	        } else {
  	          _0_4 = null;
  	          t1 = false;
  	        }
  	        t2 = null;
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_3) {
  	          t3 = _0_4;
  	          if (t3 instanceof A.TypeSelector) {
  	            t1 = _0_4;
  	            t1 = type$.TypeSelector._as(t1).name.namespace != null;
  	          }
  	        }
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (_0_3) {
  	          t1 = _0_4;
  	          t1 = t1 instanceof A.TypeSelector;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = _0_3 ? _0_4 : _0_0[0];
  	          type$.TypeSelector._as(t1);
  	          rest = B.JSArray_methods.sublist$1(_0_0, 1);
  	          t1 = A._setArrayType([new A.ParentSelector(t1.name.name, span)], type$.JSArray_SimpleSelector);
  	          B.JSArray_methods.addAll$1(t1, rest);
  	          t1 = A.CompoundSelector$(t1, span);
  	          break $label0$0;
  	        }
  	        t1 = A._setArrayType([new A.ParentSelector(null, span)], type$.JSArray_SimpleSelector);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t1 = A.CompoundSelector$(t1, span);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _function1($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:selector");
  	    },
  	    _nest_closure: function _nest_closure() {
  	    },
  	    _nest__closure: function _nest__closure() {
  	    },
  	    _nest__closure0: function _nest__closure0() {
  	    },
  	    _append_closure: function _append_closure() {
  	    },
  	    _append__closure: function _append__closure() {
  	    },
  	    _append__closure0: function _append__closure0(t0) {
  	      this.span = t0;
  	    },
  	    _append___closure: function _append___closure(t0, t1) {
  	      this.parent = t0;
  	      this.span = t1;
  	    },
  	    _extend_closure: function _extend_closure() {
  	    },
  	    _replace_closure: function _replace_closure() {
  	    },
  	    _unify_closure: function _unify_closure() {
  	    },
  	    _isSuperselector_closure: function _isSuperselector_closure() {
  	    },
  	    _simpleSelectors_closure: function _simpleSelectors_closure() {
  	    },
  	    _simpleSelectors__closure: function _simpleSelectors__closure() {
  	    },
  	    _parse_closure: function _parse_closure() {
  	    },
  	    _codepointForIndex(index, lengthInCodepoints, allowNegative) {
  	      var result;
  	      if (index === 0)
  	        return 0;
  	      if (index > 0)
  	        return Math.min(index - 1, lengthInCodepoints);
  	      result = lengthInCodepoints + index;
  	      if (result < 0 && !allowNegative)
  	        return 0;
  	      return result;
  	    },
  	    _function0($name, $arguments, callback) {
  	      return A.BuiltInCallable$function($name, $arguments, callback, "sass:string");
  	    },
  	    module_closure: function module_closure() {
  	    },
  	    module__closure: function module__closure(t0) {
  	      this.string = t0;
  	    },
  	    module__closure0: function module__closure0(t0) {
  	      this.string = t0;
  	    },
  	    _unquote_closure: function _unquote_closure() {
  	    },
  	    _quote_closure: function _quote_closure() {
  	    },
  	    _length_closure: function _length_closure() {
  	    },
  	    _insert_closure: function _insert_closure() {
  	    },
  	    _index_closure: function _index_closure() {
  	    },
  	    _slice_closure: function _slice_closure() {
  	    },
  	    _toUpperCase_closure: function _toUpperCase_closure() {
  	    },
  	    _toLowerCase_closure: function _toLowerCase_closure() {
  	    },
  	    _uniqueId_closure: function _uniqueId_closure() {
  	    },
  	    ImportCache$(importers, loadPaths) {
  	      var t1 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl,
  	        t2 = type$.Record_3_Importer_and_Uri_and_bool_forImport,
  	        t3 = type$.Uri;
  	      return new A.ImportCache(A.ImportCache__toImporters(importers, loadPaths, null), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.nullable_Stylesheet), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.ImporterResult), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.DateTime));
  	    },
  	    ImportCache__toImporters(importers, loadPaths, packageConfig) {
  	      var t1, t2, t3, t4, _i, path, _null = null,
  	        sassPath = A.getEnvironmentVariable("SASS_PATH");
  	      if (A.isBrowser()) {
  	        t1 = A._setArrayType([], type$.JSArray_Importer);
  	        B.JSArray_methods.addAll$1(t1, importers);
  	        return t1;
  	      }
  	      t1 = A._setArrayType([], type$.JSArray_Importer);
  	      B.JSArray_methods.addAll$1(t1, importers);
  	      for (t2 = J.get$iterator$ax(loadPaths); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push(new A.FilesystemImporter($.$get$context().absolute$15(t3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	      }
  	      if (sassPath != null) {
  	        t2 = A.isNodeJs() ? self.process : _null;
  	        t3 = sassPath.split(J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "win32") ? ";" : ":");
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t4; ++_i) {
  	          path = t3[_i];
  	          t1.push(new A.FilesystemImporter($.$get$context().absolute$15(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      }
  	      return t1;
  	    },
  	    ImportCache: function ImportCache(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._importers = t0;
  	      _._canonicalizeCache = t1;
  	      _._perImporterCanonicalizeCache = t2;
  	      _._nonCanonicalRelativeUrls = t3;
  	      _._importCache = t4;
  	      _._resultsCache = t5;
  	      _._loadTimes = t6;
  	    },
  	    ImportCache_canonicalize_closure: function ImportCache_canonicalize_closure(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.baseImporter = t1;
  	      _.resolvedUrl = t2;
  	      _.baseUrl = t3;
  	      _.forImport = t4;
  	      _.key = t5;
  	      _.url = t6;
  	    },
  	    ImportCache__canonicalize_closure: function ImportCache__canonicalize_closure(t0, t1) {
  	      this.importer = t0;
  	      this.url = t1;
  	    },
  	    ImportCache_importCanonical_closure: function ImportCache_importCanonical_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _.originalUrl = t3;
  	    },
  	    ImportCache_humanize_closure: function ImportCache_humanize_closure(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    ImportCache_humanize_closure0: function ImportCache_humanize_closure0() {
  	    },
  	    ImportCache_humanize_closure1: function ImportCache_humanize_closure1() {
  	    },
  	    ImportCache_humanize_closure2: function ImportCache_humanize_closure2(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    Importer: function Importer() {
  	    },
  	    AsyncImporter: function AsyncImporter() {
  	    },
  	    CanonicalizeContext: function CanonicalizeContext(t0, t1) {
  	      this._fromImport = t0;
  	      this._containingUrl = t1;
  	      this._wasContainingUrlAccessed = false;
  	    },
  	    FilesystemImporter: function FilesystemImporter(t0, t1) {
  	      this._loadPath = t0;
  	      this._loadPathDeprecated = t1;
  	    },
  	    FilesystemImporter_canonicalize_closure: function FilesystemImporter_canonicalize_closure() {
  	    },
  	    NoOpImporter: function NoOpImporter() {
  	    },
  	    NodePackageImporter: function NodePackageImporter() {
  	      this.__NodePackageImporter__entryPointDirectory_F = $;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure: function NodePackageImporter__nodePackageExportsResolve_closure() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure0: function NodePackageImporter__nodePackageExportsResolve_closure0() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure1: function NodePackageImporter__nodePackageExportsResolve_closure1() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure2: function NodePackageImporter__nodePackageExportsResolve_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.exports = t1;
  	      this.packageRoot = t2;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve__closure: function NodePackageImporter__nodePackageExportsResolve__closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.variant = t1;
  	      this.packageRoot = t2;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve__closure0: function NodePackageImporter__nodePackageExportsResolve__closure0() {
  	    },
  	    NodePackageImporter__getMainExport_closure: function NodePackageImporter__getMainExport_closure() {
  	    },
  	    ImporterResult: function ImporterResult(t0, t1, t2) {
  	      this.contents = t0;
  	      this._sourceMapUrl = t1;
  	      this.syntax = t2;
  	    },
  	    fromImport() {
  	      var t1 = type$.nullable_CanonicalizeContext._as($.Zone__current.$index(0, B.Symbol__canonicalizeContext));
  	      t1 = t1 == null ? null : t1._fromImport;
  	      return t1 === true;
  	    },
  	    canonicalizeContext() {
  	      var t1,
  	        _0_0 = $.Zone__current.$index(0, B.Symbol__canonicalizeContext);
  	      $label0$0: {
  	        if (_0_0 == null)
  	          A.throwExpression(A.StateError$(string$.canoni));
  	        if (_0_0 instanceof A.CanonicalizeContext) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.StateError$(string$.Unexpe + A.S(_0_0) + "."));
  	      }
  	      return t1;
  	    },
  	    resolveImportPath(path) {
  	      var t1,
  	        extension = A.ParsedPath_ParsedPath$parse(path, $.$get$context().style)._splitExtension$1(1)[1];
  	      if (extension === ".sass" || extension === ".scss" || extension === ".css") {
  	        t1 = A.fromImport() ? new A.resolveImportPath_closure(path, extension).call$0() : null;
  	        return t1 == null ? A._exactlyOne(A._tryPath(path)) : t1;
  	      }
  	      t1 = A.fromImport() ? new A.resolveImportPath_closure0(path).call$0() : null;
  	      if (t1 == null)
  	        t1 = A._exactlyOne(A._tryPathWithExtensions(path));
  	      return t1 == null ? A._tryPathAsDirectory(path) : t1;
  	    },
  	    _tryPathWithExtensions(path) {
  	      var result = A._tryPath(path + ".sass");
  	      B.JSArray_methods.addAll$1(result, A._tryPath(path + ".scss"));
  	      return result.length !== 0 ? result : A._tryPath(path + ".css");
  	    },
  	    _tryPath(path) {
  	      var t1 = $.$get$context(),
  	        partial = A.join(t1.dirname$1(path), "_" + A.ParsedPath_ParsedPath$parse(path, t1.style).get$basename(), null);
  	      t1 = A._setArrayType([], type$.JSArray_String);
  	      if (A.fileExists(partial))
  	        t1.push(partial);
  	      if (A.fileExists(path))
  	        t1.push(path);
  	      return t1;
  	    },
  	    _tryPathAsDirectory(path) {
  	      var t1;
  	      if (!A.dirExists(path))
  	        return null;
  	      t1 = A.fromImport() ? new A._tryPathAsDirectory_closure(path).call$0() : null;
  	      return t1 == null ? A._exactlyOne(A._tryPathWithExtensions(A.join(path, "index", null))) : t1;
  	    },
  	    _exactlyOne(paths) {
  	      var _0_1, t1, path;
  	      $label0$0: {
  	        _0_1 = paths.length;
  	        if (_0_1 <= 0) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        if (_0_1 === 1) {
  	          path = paths[0];
  	          t1 = path;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(string$.It_s_n + B.JSArray_methods.map$1$1(paths, new A._exactlyOne_closure(), type$.String).join$1(0, "\n"));
  	      }
  	      return t1;
  	    },
  	    resolveImportPath_closure: function resolveImportPath_closure(t0, t1) {
  	      this.path = t0;
  	      this.extension = t1;
  	    },
  	    resolveImportPath_closure0: function resolveImportPath_closure0(t0) {
  	      this.path = t0;
  	    },
  	    _tryPathAsDirectory_closure: function _tryPathAsDirectory_closure(t0) {
  	      this.path = t0;
  	    },
  	    _exactlyOne_closure: function _exactlyOne_closure() {
  	    },
  	    InterpolationBuffer: function InterpolationBuffer(t0, t1, t2) {
  	      this._interpolation_buffer$_text = t0;
  	      this._interpolation_buffer$_contents = t1;
  	      this._spans = t2;
  	    },
  	    InterpolationMap$(_interpolation, targetOffsets) {
  	      var t1 = A.List_List$unmodifiable(targetOffsets, type$.int),
  	        t2 = _interpolation.contents.length,
  	        expectedLocations = Math.max(0, t2 - 1);
  	      if (t1.length !== expectedLocations)
  	        A.throwExpression(A.ArgumentError$("InterpolationMap must have " + A.S(expectedLocations) + " targetOffsets if the interpolation has " + t2 + " components.", null));
  	      return new A.InterpolationMap(_interpolation, t1);
  	    },
  	    InterpolationMap: function InterpolationMap(t0, t1) {
  	      this._interpolation = t0;
  	      this._targetOffsets = t1;
  	    },
  	    InterpolationMap_mapException_closure: function InterpolationMap_mapException_closure() {
  	    },
  	    _realCasePath(path) {
  	      var prefix, _null = null,
  	        t1 = A.isNodeJs() ? self.process : _null;
  	      if (!J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        t1 = A.isNodeJs() ? self.process : _null;
  	        t1 = J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "darwin");
  	      } else
  	        t1 = true;
  	      if (!t1)
  	        return path;
  	      t1 = A.isNodeJs() ? self.process : _null;
  	      if (J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        prefix = B.JSString_methods.substring$2(path, 0, $.$get$context().style.rootLength$1(path));
  	        t1 = prefix.length;
  	        if (t1 !== 0 && A.CharacterExtension_get_isAlphabetic(prefix.charCodeAt(0)))
  	          path = prefix.toUpperCase() + B.JSString_methods.substring$1(path, t1);
  	      }
  	      return new A._realCasePath_helper().call$1(path);
  	    },
  	    _realCasePath_helper: function _realCasePath_helper() {
  	    },
  	    _realCasePath_helper_closure: function _realCasePath_helper_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.path = t0;
  	      _.realPath = t1;
  	      _.helper = t2;
  	      _.dirname = t3;
  	    },
  	    _realCasePath_helper__closure: function _realCasePath_helper__closure(t0) {
  	      this.basename = t0;
  	    },
  	    printError(message) {
  	      var t2,
  	        t1 = A.isNodeJs() ? self.process : null;
  	      if (t1 != null) {
  	        t1 = J.get$stderr$x(t1);
  	        J.write$1$x(t1, A.S(message == null ? "" : message) + "\n");
  	      } else {
  	        t1 = self.console;
  	        t2 = message == null ? null : J.toString$0$(message);
  	        J.error$1$x(t1, t2 == null ? "" : t2);
  	      }
  	    },
  	    readFile(path) {
  	      var contents, sourceFile, t1, i;
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("readFile() is only supported on Node.js"));
  	      contents = A._asString(A._readFile(path, "utf8"));
  	      if (!B.JSString_methods.contains$1(contents, "\ufffd"))
  	        return contents;
  	      sourceFile = A.SourceFile$fromString(contents, $.$get$context().toUri$1(path));
  	      for (t1 = contents.length, i = 0; i < t1; ++i) {
  	        if (contents.charCodeAt(i) !== 65533)
  	          continue;
  	        throw A.wrapException(A.SassException$("Invalid UTF-8.", A.FileLocation$_(sourceFile, i).pointSpan$0(), null));
  	      }
  	      return contents;
  	    },
  	    _readFile(path, encoding) {
  	      return A._systemErrorToFileSystemException(new A._readFile_closure(path, encoding));
  	    },
  	    writeFile(path, contents) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("writeFile() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.writeFile_closure(path, contents));
  	    },
  	    deleteFile(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("deleteFile() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.deleteFile_closure(path));
  	    },
  	    readStdin() {
  	      return A.readStdin$body();
  	    },
  	    readStdin$body() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, t3, completer, sink, t1, t2;
  	      var $async$readStdin = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              t2 = A.isNodeJs() ? self.process : null;
  	              if (t2 == null)
  	                throw A.wrapException(A.UnsupportedError$("readStdin() is only supported on Node.js"));
  	              t3 = new A._Future($.Zone__current, type$._Future_String);
  	              completer = new A._AsyncCompleter(t3, type$._AsyncCompleter_String);
  	              t1.contents = null;
  	              sink = new A._StringCallbackSink(new A.readStdin_closure(t1, completer), new A.StringBuffer("")).asUtf8Sink$1(false);
  	              t1 = J.getInterceptor$x(t2);
  	              J.on$2$x(t1.get$stdin(t2), "data", A.allowInterop(new A.readStdin_closure0(sink)));
  	              J.on$2$x(t1.get$stdin(t2), "end", A.allowInterop(new A.readStdin_closure1(sink)));
  	              J.on$2$x(t1.get$stdin(t2), "error", A.allowInterop(new A.readStdin_closure2(completer)));
  	              $async$returnValue = t3;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$readStdin, $async$completer);
  	    },
  	    fileExists(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$(string$.fileEx));
  	      return A._systemErrorToFileSystemException(new A.fileExists_closure(path));
  	    },
  	    dirExists(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("dirExists() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.dirExists_closure(path));
  	    },
  	    linkExists(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$(string$.linkEx));
  	      return A._systemErrorToFileSystemException(new A.linkExists_closure(path));
  	    },
  	    ensureDir(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("ensureDir() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.ensureDir_closure(path));
  	    },
  	    listDir(path, recursive) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("listDir() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.listDir_closure(recursive, path));
  	    },
  	    realpath(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("listDir() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.realpath_closure(path));
  	    },
  	    modificationTime(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("modificationTime() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException(new A.modificationTime_closure(path));
  	    },
  	    getEnvironmentVariable($name) {
  	      var t1 = A.isNodeJs() ? self.process : null,
  	        env = t1 == null ? null : J.get$env$x(t1);
  	      if (env == null)
  	        t1 = null;
  	      else
  	        t1 = A._asStringQ(env[$name]);
  	      return t1;
  	    },
  	    _systemErrorToFileSystemException(callback) {
  	      var error, t1, t2;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        if (!type$.JsSystemError._is(error))
  	          throw exception;
  	        t1 = error;
  	        t2 = J.getInterceptor$x(t1);
  	        throw A.wrapException(new A.FileSystemException(J.substring$2$s(t2.get$message(t1), (A.S(t2.get$code(t1)) + ": ").length, J.get$length$asx(t2.get$message(t1)) - (", " + A.S(t2.get$syscall(t1)) + " '" + A.S(t2.get$path(t1)) + "'").length), J.get$path$x(error)));
  	      }
  	    },
  	    hasTerminal() {
  	      var t1 = A.isNodeJs() ? self.process : null;
  	      return J.$eq$(t1 == null ? null : J.get$isTTY$x(J.get$stdout$x(t1)), true);
  	    },
  	    isWindows() {
  	      var t1 = A.isNodeJs() ? self.process : null;
  	      return J.$eq$(t1 == null ? null : J.get$platform$x(t1), "win32");
  	    },
  	    watchDir(path, poll) {
  	      return A.watchDir$body(path, poll);
  	    },
  	    watchDir$body(path, poll) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Stream_WatchEvent),
  	        $async$returnValue, _0_0, t2, parcel, controller, watcher, t3, t1, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$watchDir = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              if (!A.isNodeJs())
  	                throw A.wrapException(A.UnsupportedError$("watchDir() is only supported on Node.js"));
  	              t1.controller = null;
  	              _0_0 = init.G.parcel_watcher;
  	              if (_0_0 != null) {
  	                t2 = !poll;
  	                parcel = _0_0;
  	              } else {
  	                parcel = null;
  	                t2 = false;
  	              }
  	              $async$goto = t2 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$temp1 = t1;
  	              $async$temp2 = A;
  	              $async$temp3 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait(A.ParcelWatcher_subscribe(parcel, path, new A.watchDir_closure0(t1)), $async$watchDir);
  	            case 6:
  	              // returning from await.
  	              controller = $async$temp1.controller = $async$temp2.StreamController_StreamController(new $async$temp3.watchDir_closure($async$result), null, null, null, false, type$.WatchEvent);
  	              $async$returnValue = new A._ControllerStream(controller, A._instanceType(controller)._eval$1("_ControllerStream<1>"));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // else
  	              watcher = J.watch$2$x(self.chokidar, path, {usePolling: poll});
  	              t2 = J.getInterceptor$x(watcher);
  	              t2.on$2(watcher, "add", A.allowInterop(new A.watchDir_closure1(t1)));
  	              t2.on$2(watcher, "change", A.allowInterop(new A.watchDir_closure2(t1)));
  	              t2.on$2(watcher, "unlink", A.allowInterop(new A.watchDir_closure3(t1)));
  	              t2.on$2(watcher, "error", A.allowInterop(new A.watchDir_closure4(t1)));
  	              t3 = new A._Future($.Zone__current, type$._Future_Stream_WatchEvent);
  	              t2.on$2(watcher, "ready", A.allowInterop(new A.watchDir_closure5(t1, watcher, new A._AsyncCompleter(t3, type$._AsyncCompleter_Stream_WatchEvent))));
  	              $async$returnValue = t3;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$watchDir, $async$completer);
  	    },
  	    FileSystemException: function FileSystemException(t0, t1) {
  	      this.message = t0;
  	      this.path = t1;
  	    },
  	    _readFile_closure: function _readFile_closure(t0, t1) {
  	      this.path = t0;
  	      this.encoding = t1;
  	    },
  	    writeFile_closure: function writeFile_closure(t0, t1) {
  	      this.path = t0;
  	      this.contents = t1;
  	    },
  	    deleteFile_closure: function deleteFile_closure(t0) {
  	      this.path = t0;
  	    },
  	    readStdin_closure: function readStdin_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.completer = t1;
  	    },
  	    readStdin_closure0: function readStdin_closure0(t0) {
  	      this.sink = t0;
  	    },
  	    readStdin_closure1: function readStdin_closure1(t0) {
  	      this.sink = t0;
  	    },
  	    readStdin_closure2: function readStdin_closure2(t0) {
  	      this.completer = t0;
  	    },
  	    fileExists_closure: function fileExists_closure(t0) {
  	      this.path = t0;
  	    },
  	    dirExists_closure: function dirExists_closure(t0) {
  	      this.path = t0;
  	    },
  	    linkExists_closure: function linkExists_closure(t0) {
  	      this.path = t0;
  	    },
  	    ensureDir_closure: function ensureDir_closure(t0) {
  	      this.path = t0;
  	    },
  	    listDir_closure: function listDir_closure(t0, t1) {
  	      this.recursive = t0;
  	      this.path = t1;
  	    },
  	    listDir__closure: function listDir__closure(t0) {
  	      this.path = t0;
  	    },
  	    listDir__closure0: function listDir__closure0() {
  	    },
  	    listDir_closure_list: function listDir_closure_list() {
  	    },
  	    listDir__list_closure: function listDir__list_closure(t0, t1) {
  	      this.parent = t0;
  	      this.list = t1;
  	    },
  	    realpath_closure: function realpath_closure(t0) {
  	      this.path = t0;
  	    },
  	    modificationTime_closure: function modificationTime_closure(t0) {
  	      this.path = t0;
  	    },
  	    watchDir_closure0: function watchDir_closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    watchDir_closure: function watchDir_closure(t0) {
  	      this.subscription = t0;
  	    },
  	    watchDir_closure1: function watchDir_closure1(t0) {
  	      this._box_0 = t0;
  	    },
  	    watchDir_closure2: function watchDir_closure2(t0) {
  	      this._box_0 = t0;
  	    },
  	    watchDir_closure3: function watchDir_closure3(t0) {
  	      this._box_0 = t0;
  	    },
  	    watchDir_closure4: function watchDir_closure4(t0) {
  	      this._box_0 = t0;
  	    },
  	    watchDir_closure5: function watchDir_closure5(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.watcher = t1;
  	      this.completer = t2;
  	    },
  	    watchDir__closure: function watchDir__closure(t0) {
  	      this.watcher = t0;
  	    },
  	    JSArray0: function JSArray0() {
  	    },
  	    Chokidar: function Chokidar() {
  	    },
  	    ChokidarOptions: function ChokidarOptions() {
  	    },
  	    ChokidarWatcher: function ChokidarWatcher() {
  	    },
  	    JSFunction: function JSFunction() {
  	    },
  	    ImmutableList: function ImmutableList() {
  	    },
  	    ImmutableMap: function ImmutableMap() {
  	    },
  	    NodeImporterResult: function NodeImporterResult() {
  	    },
  	    RenderContext: function RenderContext() {
  	    },
  	    RenderContextOptions: function RenderContextOptions() {
  	    },
  	    RenderContextResult: function RenderContextResult() {
  	    },
  	    RenderContextResultStats: function RenderContextResultStats() {
  	    },
  	    JSModule: function JSModule() {
  	    },
  	    JSModuleRequire: function JSModuleRequire() {
  	    },
  	    ParcelWatcher_subscribe(_this, path, callback) {
  	      var result,
  	        t1 = new A.ParcelWatcher_subscribe_closure(callback);
  	      if (typeof t1 == "function")
  	        A.throwExpression(A.ArgumentError$("Attempting to rewrap a JS function.", null));
  	      result = function(_call, f) {
  	        return function(arg1, arg2) {
  	          return _call(f, arg1, arg2, arguments.length);
  	        };
  	      }(A._callDartFunctionFast2, t1);
  	      result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = t1;
  	      return A.promiseToFuture(_this.subscribe(path, result), type$.JSObject);
  	    },
  	    ParcelWatcher_subscribe_closure: function ParcelWatcher_subscribe_closure(t0) {
  	      this.callback = t0;
  	    },
  	    JSClass: function JSClass() {
  	    },
  	    JSUrl: function JSUrl() {
  	    },
  	    jsThrow0(error) {
  	      return type$.Never._as($.$get$_jsThrow0().call$1(error));
  	    },
  	    _PropertyDescriptor: function _PropertyDescriptor() {
  	    },
  	    _RequireMain: function _RequireMain() {
  	    },
  	    WarnForDeprecation_warnForDeprecation(_this, deprecation, message, span, trace) {
  	      _this.internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	    },
  	    LoggerWithDeprecationType: function LoggerWithDeprecationType() {
  	    },
  	    _QuietLogger: function _QuietLogger() {
  	    },
  	    DefaultLogger: function DefaultLogger() {
  	    },
  	    DeprecationProcessingLogger: function DeprecationProcessingLogger(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._warningCounts = t0;
  	      _._inner = t1;
  	      _.silenceDeprecations = t2;
  	      _.fatalDeprecations = t3;
  	      _.futureDeprecations = t4;
  	      _.limitRepetition = t5;
  	    },
  	    DeprecationProcessingLogger_summarize_closure: function DeprecationProcessingLogger_summarize_closure() {
  	    },
  	    DeprecationProcessingLogger_summarize_closure0: function DeprecationProcessingLogger_summarize_closure0() {
  	    },
  	    StderrLogger: function StderrLogger(t0) {
  	      this.color = t0;
  	    },
  	    TrackingLogger: function TrackingLogger(t0) {
  	      this._tracking$_logger = t0;
  	      this._emittedDebug = this._emittedWarning = false;
  	    },
  	    BuiltInModule$($name, functions, mixins, variables, $T) {
  	      var t1 = A._Uri__Uri(null, $name, null, "sass"),
  	        t2 = A.BuiltInModule__callableMap(functions, $T),
  	        t3 = A.BuiltInModule__callableMap(mixins, $T),
  	        t4 = variables == null ? B.Map_empty6 : new A.UnmodifiableMapView(variables, type$.UnmodifiableMapView_String_Value);
  	      return new A.BuiltInModule(t1, t2, t3, t4, $T._eval$1("BuiltInModule<0>"));
  	    },
  	    BuiltInModule__callableMap(callables, $T) {
  	      var t2, _i, callable,
  	        t1 = type$.String;
  	      if (callables == null)
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, $T);
  	      else {
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, $T);
  	        for (t2 = callables.length, _i = 0; _i < callables.length; callables.length === t2 || (0, A.throwConcurrentModificationError)(callables), ++_i) {
  	          callable = callables[_i];
  	          t1.$indexSet(0, callable.get$name(callable), callable);
  	        }
  	        t1 = new A.UnmodifiableMapView(t1, type$.$env_1_1_String._bind$1($T)._eval$1("UnmodifiableMapView<1,2>"));
  	      }
  	      return new A.UnmodifiableMapView(t1, type$.$env_1_1_String._bind$1($T)._eval$1("UnmodifiableMapView<1,2>"));
  	    },
  	    BuiltInModule: function BuiltInModule(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.url = t0;
  	      _.functions = t1;
  	      _.mixins = t2;
  	      _.variables = t3;
  	      _.$ti = t4;
  	    },
  	    ForwardedModuleView_ifNecessary(inner, rule, $T) {
  	      var t2,
  	        t1 = false;
  	      if (rule.prefix == null)
  	        if (rule.shownMixinsAndFunctions == null)
  	          if (rule.shownVariables == null) {
  	            t2 = rule.hiddenMixinsAndFunctions;
  	            t2 = t2 == null ? null : t2._base.get$isEmpty(0);
  	            if (t2 === true) {
  	              t1 = rule.hiddenVariables;
  	              t1 = t1 == null ? null : t1._base.get$isEmpty(0);
  	              t1 = t1 === true;
  	            }
  	          }
  	      if (t1)
  	        return inner;
  	      else
  	        return A.ForwardedModuleView$(inner, rule, $T);
  	    },
  	    ForwardedModuleView$(_inner, _rule, $T) {
  	      var t1 = _rule.prefix,
  	        t2 = _rule.shownVariables,
  	        t3 = _rule.hiddenVariables,
  	        t4 = _rule.shownMixinsAndFunctions,
  	        t5 = _rule.hiddenMixinsAndFunctions;
  	      return new A.ForwardedModuleView(_inner, _rule, A.ForwardedModuleView__forwardedMap(_inner.get$variables(), t1, t2, t3, type$.Value), A.ForwardedModuleView__forwardedMap(_inner.get$variableNodes(), t1, t2, t3, type$.AstNode), A.ForwardedModuleView__forwardedMap(_inner.get$functions(_inner), t1, t4, t5, $T), A.ForwardedModuleView__forwardedMap(_inner.get$mixins(), t1, t4, t5, $T), $T._eval$1("ForwardedModuleView<0>"));
  	    },
  	    ForwardedModuleView__forwardedMap(map, prefix, safelist, blocklist, $V) {
  	      var t1 = prefix == null,
  	        t2 = false;
  	      if (t1)
  	        if (safelist == null)
  	          t2 = blocklist == null || blocklist._base.get$isEmpty(0);
  	      if (t2)
  	        return map;
  	      if (!t1)
  	        map = new A.PrefixedMapView(map, prefix, $V._eval$1("PrefixedMapView<0>"));
  	      if (safelist != null)
  	        map = new A.LimitedMapView(map, safelist._base.intersection$1(new A.MapKeySet(map, type$.MapKeySet_nullable_Object)), type$.$env_1_1_String._bind$1($V)._eval$1("LimitedMapView<1,2>"));
  	      else if (blocklist != null && blocklist._base.get$isNotEmpty(0))
  	        map = A.LimitedMapView$blocklist(map, blocklist, type$.String, $V);
  	      return map;
  	    },
  	    ForwardedModuleView: function ForwardedModuleView(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._forwarded_view$_inner = t0;
  	      _._rule = t1;
  	      _.variables = t2;
  	      _.variableNodes = t3;
  	      _.functions = t4;
  	      _.mixins = t5;
  	      _.$ti = t6;
  	    },
  	    ShadowedModuleView_ifNecessary(inner, functions, mixins, variables, $T) {
  	      return A.ShadowedModuleView__needsBlocklist(inner.get$variables(), variables) || A.ShadowedModuleView__needsBlocklist(inner.get$functions(inner), functions) || A.ShadowedModuleView__needsBlocklist(inner.get$mixins(), mixins) ? new A.ShadowedModuleView(inner, A.ShadowedModuleView__shadowedMap(inner.get$variables(), variables, type$.Value), A.ShadowedModuleView__shadowedMap(inner.get$variableNodes(), variables, type$.AstNode), A.ShadowedModuleView__shadowedMap(inner.get$functions(inner), functions, $T), A.ShadowedModuleView__shadowedMap(inner.get$mixins(), mixins, $T), $T._eval$1("ShadowedModuleView<0>")) : null;
  	    },
  	    ShadowedModuleView__shadowedMap(map, blocklist, $V) {
  	      var t1 = A.ShadowedModuleView__needsBlocklist(map, blocklist);
  	      return !t1 ? map : A.LimitedMapView$blocklist(map, blocklist, type$.String, $V);
  	    },
  	    ShadowedModuleView__needsBlocklist(map, blocklist) {
  	      return map.get$isNotEmpty(map) && blocklist.any$1(0, map.get$containsKey());
  	    },
  	    ShadowedModuleView: function ShadowedModuleView(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._shadowed_view$_inner = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.$ti = t5;
  	    },
  	    AtRootQueryParser: function AtRootQueryParser(t0, t1) {
  	      this.scanner = t0;
  	      this._interpolationMap = t1;
  	    },
  	    AtRootQueryParser_parse_closure: function AtRootQueryParser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _disallowedFunctionNames_closure: function _disallowedFunctionNames_closure() {
  	    },
  	    CssParser: function CssParser(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._stylesheet$_parseSelectors = t0;
  	      _._isUseAllowed = true;
  	      _._inExpression = _._inParentheses = _._inStyleRule = _._inPlainCssFunction = _._stylesheet$_inUnknownAtRule = _._inControlDirective = _._inContentBlock = _._stylesheet$_inMixin = false;
  	      _._globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._interpolationMap = t4;
  	    },
  	    KeyframeSelectorParser: function KeyframeSelectorParser(t0, t1) {
  	      this.scanner = t0;
  	      this._interpolationMap = t1;
  	    },
  	    KeyframeSelectorParser_parse_closure: function KeyframeSelectorParser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    MediaQueryParser: function MediaQueryParser(t0, t1) {
  	      this.scanner = t0;
  	      this._interpolationMap = t1;
  	    },
  	    MediaQueryParser_parse_closure: function MediaQueryParser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Parser_isIdentifier(text) {
  	      try {
  	        new A.Parser(A.SpanScanner$(text, null), null)._parseIdentifier$0();
  	        return true;
  	      } catch (exception) {
  	        if (type$.SassFormatException._is(A.unwrapException(exception)))
  	          return false;
  	        else
  	          throw exception;
  	      }
  	    },
  	    Parser: function Parser(t0, t1) {
  	      this.scanner = t0;
  	      this._interpolationMap = t1;
  	    },
  	    Parser__parseIdentifier_closure: function Parser__parseIdentifier_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Parser_escape_closure: function Parser_escape_closure() {
  	    },
  	    Parser_scanIdentChar_matches: function Parser_scanIdentChar_matches(t0, t1) {
  	      this.caseSensitive = t0;
  	      this.char = t1;
  	    },
  	    Parser_spanFrom_closure: function Parser_spanFrom_closure(t0, t1) {
  	      this.$this = t0;
  	      this.span = t1;
  	    },
  	    Parser_spanFromPosition_closure: function Parser_spanFromPosition_closure(t0, t1) {
  	      this.$this = t0;
  	      this.span = t1;
  	    },
  	    SassParser: function SassParser(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._currentIndentation = 0;
  	      _._spaces = _._nextIndentationEnd = _._nextIndentation = null;
  	      _._stylesheet$_parseSelectors = t0;
  	      _._isUseAllowed = true;
  	      _._inExpression = _._inParentheses = _._inStyleRule = _._inPlainCssFunction = _._stylesheet$_inUnknownAtRule = _._inControlDirective = _._inContentBlock = _._stylesheet$_inMixin = false;
  	      _._globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._interpolationMap = t4;
  	    },
  	    SassParser_styleRuleSelector_closure: function SassParser_styleRuleSelector_closure() {
  	    },
  	    SassParser_children_closure: function SassParser_children_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.child = t1;
  	      this.children = t2;
  	    },
  	    SassParser__peekIndentation_closure: function SassParser__peekIndentation_closure() {
  	    },
  	    SassParser__peekIndentation_closure0: function SassParser__peekIndentation_closure0() {
  	    },
  	    SassParser__tryTrailingSemicolon_closure: function SassParser__tryTrailingSemicolon_closure() {
  	    },
  	    ScssParser$(contents, parseSelectors, url) {
  	      return new A.ScssParser(false, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span), A.SpanScanner$(contents, url), null);
  	    },
  	    ScssParser: function ScssParser(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._stylesheet$_parseSelectors = t0;
  	      _._isUseAllowed = true;
  	      _._inExpression = _._inParentheses = _._inStyleRule = _._inPlainCssFunction = _._stylesheet$_inUnknownAtRule = _._inControlDirective = _._inContentBlock = _._stylesheet$_inMixin = false;
  	      _._globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._interpolationMap = t4;
  	    },
  	    SelectorParser: function SelectorParser(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._allowParent = t0;
  	      _._plainCss = t1;
  	      _.scanner = t2;
  	      _._interpolationMap = t3;
  	    },
  	    SelectorParser_parse_closure: function SelectorParser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorParser_parseCompoundSelector_closure: function SelectorParser_parseCompoundSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser: function StylesheetParser() {
  	    },
  	    StylesheetParser_parse_closure: function StylesheetParser_parse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parse__closure: function StylesheetParser_parse__closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parseParameterList_closure: function StylesheetParser_parseParameterList_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parseVariableDeclaration_closure: function StylesheetParser_parseVariableDeclaration_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parseUseRule_closure: function StylesheetParser_parseUseRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__parseSingleProduction_closure: function StylesheetParser__parseSingleProduction_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.production = t1;
  	      this.T = t2;
  	    },
  	    StylesheetParser__statement_closure: function StylesheetParser__statement_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_variableDeclarationWithoutNamespace_closure: function StylesheetParser_variableDeclarationWithoutNamespace_closure(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    StylesheetParser_variableDeclarationWithoutNamespace_closure0: function StylesheetParser_variableDeclarationWithoutNamespace_closure0(t0) {
  	      this.declaration = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure: function StylesheetParser__declarationOrBuffer_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure0: function StylesheetParser__declarationOrBuffer_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure1: function StylesheetParser__declarationOrBuffer_closure1() {
  	    },
  	    StylesheetParser__declarationOrBuffer_closure2: function StylesheetParser__declarationOrBuffer_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__styleRule_closure: function StylesheetParser__styleRule_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.start = t2;
  	    },
  	    StylesheetParser__withStyleRuleChildren_closure: function StylesheetParser__withStyleRuleChildren_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.nodeWithSpan = t1;
  	      _.wasInStyleRule = t2;
  	      _.create = t3;
  	      _.T = t4;
  	    },
  	    StylesheetParser__propertyOrVariableDeclaration_closure: function StylesheetParser__propertyOrVariableDeclaration_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__tryDeclarationChildren_closure: function StylesheetParser__tryDeclarationChildren_closure(t0, t1) {
  	      this.name = t0;
  	      this.value = t1;
  	    },
  	    StylesheetParser__atRootRule_closure: function StylesheetParser__atRootRule_closure(t0) {
  	      this.query = t0;
  	    },
  	    StylesheetParser__atRootRule_closure0: function StylesheetParser__atRootRule_closure0() {
  	    },
  	    StylesheetParser__eachRule_closure: function StylesheetParser__eachRule_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.wasInControlDirective = t1;
  	      _.variables = t2;
  	      _.list = t3;
  	    },
  	    StylesheetParser__functionRule_closure: function StylesheetParser__functionRule_closure(t0, t1, t2) {
  	      this.name = t0;
  	      this.parameters = t1;
  	      this.precedingComment = t2;
  	    },
  	    StylesheetParser__forRule_closure: function StylesheetParser__forRule_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    StylesheetParser__forRule_closure0: function StylesheetParser__forRule_closure0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.wasInControlDirective = t2;
  	      _.variable = t3;
  	      _.from = t4;
  	      _.to = t5;
  	    },
  	    StylesheetParser__memberList_closure: function StylesheetParser__memberList_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.variables = t1;
  	      this.identifiers = t2;
  	    },
  	    StylesheetParser__includeRule_closure: function StylesheetParser__includeRule_closure(t0) {
  	      this.contentParameters_ = t0;
  	    },
  	    StylesheetParser_mediaRule_closure: function StylesheetParser_mediaRule_closure(t0) {
  	      this.query = t0;
  	    },
  	    StylesheetParser__mixinRule_closure: function StylesheetParser__mixinRule_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.name = t1;
  	      _.parameters = t2;
  	      _.precedingComment = t3;
  	    },
  	    StylesheetParser_mozDocumentRule_closure: function StylesheetParser_mozDocumentRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_mozDocumentRule_closure0: function StylesheetParser_mozDocumentRule_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.name = t2;
  	      _.value = t3;
  	    },
  	    StylesheetParser_supportsRule_closure: function StylesheetParser_supportsRule_closure(t0) {
  	      this.condition = t0;
  	    },
  	    StylesheetParser__whileRule_closure: function StylesheetParser__whileRule_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.wasInControlDirective = t1;
  	      this.condition = t2;
  	    },
  	    StylesheetParser_unknownAtRule_closure: function StylesheetParser_unknownAtRule_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.name = t1;
  	    },
  	    StylesheetParser__expression_resetState: function StylesheetParser__expression_resetState(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.start = t2;
  	    },
  	    StylesheetParser__expression_resolveOneOperation: function StylesheetParser__expression_resolveOneOperation(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    StylesheetParser__expression_resolveOperations: function StylesheetParser__expression_resolveOperations(t0, t1) {
  	      this._box_0 = t0;
  	      this.resolveOneOperation = t1;
  	    },
  	    StylesheetParser__expression_addSingleExpression: function StylesheetParser__expression_addSingleExpression(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.resetState = t2;
  	      _.resolveOperations = t3;
  	    },
  	    StylesheetParser__expression_addOperator: function StylesheetParser__expression_addOperator(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.resolveOneOperation = t2;
  	      _.addSingleExpression = t3;
  	    },
  	    StylesheetParser__expression_resolveSpaceExpressions: function StylesheetParser__expression_resolveSpaceExpressions(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.resolveOperations = t2;
  	    },
  	    StylesheetParser_expressionUntilComma_closure: function StylesheetParser_expressionUntilComma_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__isHexColor_closure: function StylesheetParser__isHexColor_closure() {
  	    },
  	    StylesheetParser__unicodeRange_closure: function StylesheetParser__unicodeRange_closure() {
  	    },
  	    StylesheetParser__unicodeRange_closure0: function StylesheetParser__unicodeRange_closure0() {
  	    },
  	    StylesheetParser_interpolatedStringToken_closure: function StylesheetParser_interpolatedStringToken_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_namespacedExpression_closure: function StylesheetParser_namespacedExpression_closure(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    StylesheetParser_trySpecialFunction_closure: function StylesheetParser_trySpecialFunction_closure() {
  	    },
  	    StylesheetParser__interpolatedDeclarationValue_closure: function StylesheetParser__interpolatedDeclarationValue_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__expressionUntilComparison_closure: function StylesheetParser__expressionUntilComparison_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__publicIdentifier_closure: function StylesheetParser__publicIdentifier_closure(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    StylesheetNode$_(_stylesheet, importer, canonicalUrl, allUpstream) {
  	      var t1 = new A.StylesheetNode(_stylesheet, importer, canonicalUrl, allUpstream._1, allUpstream._0, A.LinkedHashSet_LinkedHashSet$_empty(type$.StylesheetNode));
  	      t1.StylesheetNode$_$4(_stylesheet, importer, canonicalUrl, allUpstream);
  	      return t1;
  	    },
  	    StylesheetGraph: function StylesheetGraph(t0, t1, t2) {
  	      this._nodes = t0;
  	      this.importCache = t1;
  	      this._transitiveModificationTimes = t2;
  	    },
  	    StylesheetGraph_modifiedSince_transitiveModificationTime: function StylesheetGraph_modifiedSince_transitiveModificationTime(t0, t1) {
  	      this.$this = t0;
  	      this.seenNodes = t1;
  	    },
  	    StylesheetGraph_modifiedSince_transitiveModificationTime_closure: function StylesheetGraph_modifiedSince_transitiveModificationTime_closure(t0, t1, t2) {
  	      this.node = t0;
  	      this.seenNodes = t1;
  	      this.transitiveModificationTime = t2;
  	    },
  	    StylesheetGraph__add_closure: function StylesheetGraph__add_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.baseImporter = t2;
  	      _.baseUrl = t3;
  	    },
  	    StylesheetGraph_addCanonical_closure: function StylesheetGraph_addCanonical_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _.originalUrl = t3;
  	    },
  	    StylesheetGraph_reload_closure: function StylesheetGraph_reload_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.canonicalUrl = t2;
  	    },
  	    StylesheetGraph__nodeFor_closure: function StylesheetGraph__nodeFor_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.baseImporter = t2;
  	      _.baseUrl = t3;
  	      _.forImport = t4;
  	    },
  	    StylesheetGraph__nodeFor_closure0: function StylesheetGraph__nodeFor_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    StylesheetNode: function StylesheetNode(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._stylesheet = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _._upstream = t3;
  	      _._upstreamImports = t4;
  	      _._downstream = t5;
  	    },
  	    Syntax_forPath(path) {
  	      var t1,
  	        _0_0 = A.ParsedPath_ParsedPath$parse(path, $.$get$context().style)._splitExtension$1(1)[1];
  	      $label0$0: {
  	        if (".sass" === _0_0) {
  	          t1 = B.Syntax_Sass_1_sass;
  	          break $label0$0;
  	        }
  	        if (".css" === _0_0) {
  	          t1 = B.Syntax_CSS_2_css;
  	          break $label0$0;
  	        }
  	        t1 = B.Syntax_SCSS_0_scss;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    Syntax: function Syntax(t0, t1, t2) {
  	      this._syntax$_name = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    Box: function Box(t0, t1) {
  	      this._box$_inner = t0;
  	      this.$ti = t1;
  	    },
  	    ModifiableBox: function ModifiableBox(t0, t1) {
  	      this.value = t0;
  	      this.$ti = t1;
  	    },
  	    LazyFileSpan: function LazyFileSpan(t0) {
  	      this._builder = t0;
  	      this._lazy_file_span$_span = null;
  	    },
  	    LimitedMapView$blocklist(_map, blocklist, $K, $V) {
  	      var t2, key,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty($K);
  	      for (t2 = _map.get$keys(_map), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        key = t2.get$current(t2);
  	        if (!blocklist.contains$1(0, key))
  	          t1.add$1(0, key);
  	      }
  	      return new A.LimitedMapView(_map, t1, $K._eval$1("@<0>")._bind$1($V)._eval$1("LimitedMapView<1,2>"));
  	    },
  	    LimitedMapView: function LimitedMapView(t0, t1, t2) {
  	      this._limited_map_view$_map = t0;
  	      this._limited_map_view$_keys = t1;
  	      this.$ti = t2;
  	    },
  	    MapExtensions_get_pairs(_this, $K, $V) {
  	      var t1 = _this.get$entries(_this);
  	      return t1.map$1$1(t1, new A.MapExtensions_get_pairs_closure($K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("+(1,2)"));
  	    },
  	    MapExtensions_get_pairs_closure: function MapExtensions_get_pairs_closure(t0, t1) {
  	      this.K = t0;
  	      this.V = t1;
  	    },
  	    MergedMapView$(maps, $K, $V) {
  	      var t1 = $K._eval$1("@<0>")._bind$1($V);
  	      t1 = new A.MergedMapView(A.LinkedHashMap_LinkedHashMap$_empty($K, t1._eval$1("Map<1,2>")), t1._eval$1("MergedMapView<1,2>"));
  	      t1.MergedMapView$1(maps, $K, $V);
  	      return t1;
  	    },
  	    MergedMapView: function MergedMapView(t0, t1) {
  	      this._mapsByKey = t0;
  	      this.$ti = t1;
  	    },
  	    MultiDirWatcher: function MultiDirWatcher(t0, t1, t2) {
  	      this._watchers = t0;
  	      this._group = t1;
  	      this._poll = t2;
  	    },
  	    MultiSpan: function MultiSpan(t0, t1, t2) {
  	      this._multi_span$_primary = t0;
  	      this.primaryLabel = t1;
  	      this.secondarySpans = t2;
  	    },
  	    NoSourceMapBuffer: function NoSourceMapBuffer(t0) {
  	      this._no_source_map_buffer$_buffer = t0;
  	    },
  	    PrefixedMapView: function PrefixedMapView(t0, t1, t2) {
  	      this._prefixed_map_view$_map = t0;
  	      this._prefix = t1;
  	      this.$ti = t2;
  	    },
  	    _PrefixedKeys: function _PrefixedKeys(t0) {
  	      this._view = t0;
  	    },
  	    _PrefixedKeys_iterator_closure: function _PrefixedKeys_iterator_closure(t0) {
  	      this.$this = t0;
  	    },
  	    PublicMemberMapView: function PublicMemberMapView(t0, t1) {
  	      this._public_member_map_view$_inner = t0;
  	      this.$ti = t1;
  	    },
  	    SourceMapBuffer: function SourceMapBuffer(t0, t1) {
  	      var _ = this;
  	      _._source_map_buffer$_buffer = t0;
  	      _._entries = t1;
  	      _._column = _._line = 0;
  	      _._inSpan = false;
  	    },
  	    SourceMapBuffer_buildSourceMap_closure: function SourceMapBuffer_buildSourceMap_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.prefixLength = t1;
  	    },
  	    UnprefixedMapView: function UnprefixedMapView(t0, t1, t2) {
  	      this._unprefixed_map_view$_map = t0;
  	      this._unprefixed_map_view$_prefix = t1;
  	      this.$ti = t2;
  	    },
  	    _UnprefixedKeys: function _UnprefixedKeys(t0) {
  	      this._unprefixed_map_view$_view = t0;
  	    },
  	    _UnprefixedKeys_iterator_closure: function _UnprefixedKeys_iterator_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _UnprefixedKeys_iterator_closure0: function _UnprefixedKeys_iterator_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    toSentence(iter, conjunction) {
  	      if (iter.get$length(iter) === 1)
  	        return J.toString$0$(iter.get$first(iter));
  	      return A.IterableExtension_get_exceptLast(iter).join$1(0, ", ") + (" " + conjunction + " " + A.S(iter.get$last(iter)));
  	    },
  	    indent(string, indentation) {
  	      return new A.MappedListIterable(A._setArrayType(string.split("\n"), type$.JSArray_String), new A.indent_closure(indentation), type$.MappedListIterable_String_String).join$1(0, "\n");
  	    },
  	    pluralize($name, number, plural) {
  	      if (number === 1)
  	        return $name;
  	      if (plural != null)
  	        return plural;
  	      return $name + "s";
  	    },
  	    trimAscii(string, excludeEscape) {
  	      var t1,
  	        start = A._firstNonWhitespace(string);
  	      if (start == null)
  	        t1 = "";
  	      else {
  	        t1 = A._lastNonWhitespace(string, true);
  	        t1.toString;
  	        t1 = B.JSString_methods.substring$2(string, start, t1 + 1);
  	      }
  	      return t1;
  	    },
  	    trimAsciiRight(string, excludeEscape) {
  	      var end = A._lastNonWhitespace(string, excludeEscape);
  	      return end == null ? "" : B.JSString_methods.substring$2(string, 0, end + 1);
  	    },
  	    _firstNonWhitespace(string) {
  	      var t1, i, t2;
  	      for (t1 = string.length, i = 0; i < t1; ++i) {
  	        t2 = string.charCodeAt(i);
  	        if (!(t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12))
  	          return i;
  	      }
  	      return null;
  	    },
  	    _lastNonWhitespace(string, excludeEscape) {
  	      var i, i0, codeUnit;
  	      for (i = string.length - 1, i0 = i; i0 >= 0; --i0) {
  	        codeUnit = string.charCodeAt(i0);
  	        if (!(codeUnit === 32 || codeUnit === 9 || codeUnit === 10 || codeUnit === 13 || codeUnit === 12))
  	          if (excludeEscape && i0 !== 0 && i0 !== i && codeUnit === 92)
  	            return i0 + 1;
  	          else
  	            return i0;
  	      }
  	      return null;
  	    },
  	    isPublic(member) {
  	      var start = member.charCodeAt(0);
  	      return start !== 45 && start !== 95;
  	    },
  	    flattenVertically(iterable, $T) {
  	      var result,
  	        t1 = iterable.$ti._eval$1("@<ListIterable.E>")._bind$1($T._eval$1("QueueList<0>"))._eval$1("MappedListIterable<1,2>"),
  	        queues = A.List_List$_of(new A.MappedListIterable(iterable, new A.flattenVertically_closure($T), t1), t1._eval$1("ListIterable.E"));
  	      if (queues.length === 1)
  	        return B.JSArray_methods.get$first(queues);
  	      result = A._setArrayType([], $T._eval$1("JSArray<0>"));
  	      while (queues.length !== 0) {
  	        queues.$flags & 1 && A.throwUnsupportedOperation(queues, 16);
  	        B.JSArray_methods._removeWhere$2(queues, new A.flattenVertically_closure0(result, $T), true);
  	      }
  	      return result;
  	    },
  	    codepointIndexToCodeUnitIndex(string, codepointIndex) {
  	      var codeUnitIndex, i, codeUnitIndex0;
  	      for (codeUnitIndex = 0, i = 0; i < codepointIndex; ++i) {
  	        codeUnitIndex0 = codeUnitIndex + 1;
  	        codeUnitIndex = string.charCodeAt(codeUnitIndex) >>> 10 === 54 ? codeUnitIndex0 + 1 : codeUnitIndex0;
  	      }
  	      return codeUnitIndex;
  	    },
  	    codeUnitIndexToCodepointIndex(string, codeUnitIndex) {
  	      var codepointIndex, i;
  	      for (codepointIndex = 0, i = 0; i < codeUnitIndex; i = (string.charCodeAt(i) >>> 10 === 54 ? i + 1 : i) + 1)
  	        ++codepointIndex;
  	      return codepointIndex;
  	    },
  	    frameForSpan(span, member, url) {
  	      var t2, t3,
  	        t1 = url == null ? span.get$sourceUrl(span) : url;
  	      if (t1 == null)
  	        t1 = $.$get$_noSourceUrl();
  	      t2 = span.get$start(span);
  	      t2 = t2.file.getLine$1(t2.offset);
  	      t3 = span.get$start(span);
  	      return new A.Frame(t1, t2 + 1, t3.file.getColumn$1(t3.offset) + 1, member);
  	    },
  	    declarationName(span) {
  	      var text = span.get$text();
  	      return A.trimAsciiRight(B.JSString_methods.substring$2(text, 0, B.JSString_methods.indexOf$1(text, ":")), false);
  	    },
  	    unvendor($name) {
  	      var i,
  	        t1 = $name.length;
  	      if (t1 < 2)
  	        return $name;
  	      if ($name.charCodeAt(0) !== 45)
  	        return $name;
  	      if ($name.charCodeAt(1) === 45)
  	        return $name;
  	      for (i = 2; i < t1; ++i)
  	        if ($name.charCodeAt(i) === 45)
  	          return B.JSString_methods.substring$1($name, i + 1);
  	      return $name;
  	    },
  	    equalsIgnoreCase(string1, string2) {
  	      var t1, i;
  	      if (string1 === string2)
  	        return true;
  	      if (string1 == null)
  	        return false;
  	      t1 = string1.length;
  	      if (t1 !== string2.length)
  	        return false;
  	      for (i = 0; i < t1; ++i)
  	        if (!A.characterEqualsIgnoreCase(string1.charCodeAt(i), string2.charCodeAt(i)))
  	          return false;
  	      return true;
  	    },
  	    startsWithIgnoreCase(string, prefix) {
  	      var i,
  	        t1 = prefix.length;
  	      if (string.length < t1)
  	        return false;
  	      for (i = 0; i < t1; ++i)
  	        if (!A.characterEqualsIgnoreCase(string.charCodeAt(i), prefix.charCodeAt(i)))
  	          return false;
  	      return true;
  	    },
  	    mapInPlace(list, $function) {
  	      var i;
  	      for (i = 0; i < list.length; ++i)
  	        list[i] = $function.call$1(list[i]);
  	    },
  	    longestCommonSubsequence(list1, list2, select, $T) {
  	      var t1, _i, selections, i, i0, j, selection, j0,
  	        _length = list1.get$length(0) + 1,
  	        lengths = J.JSArray_JSArray$allocateFixed(_length, type$.List_int);
  	      for (t1 = type$.int, _i = 0; _i < _length; ++_i)
  	        lengths[_i] = A.List_List$filled(((list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0) + 1, 0, false, t1);
  	      _length = list1.get$length(0);
  	      selections = J.JSArray_JSArray$allocateFixed(_length, $T._eval$1("List<0?>"));
  	      for (t1 = $T._eval$1("0?"), _i = 0; _i < _length; ++_i)
  	        selections[_i] = A.List_List$filled((list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0, null, false, t1);
  	      for (i = 0; i < (list1._queue_list$_tail - list1._queue_list$_head & J.get$length$asx(list1._queue_list$_table) - 1) >>> 0; i = i0)
  	        for (i0 = i + 1, j = 0; j < (list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0; j = j0) {
  	          selection = select.call$2(list1.$index(0, i), list2.$index(0, j));
  	          selections[i][j] = selection;
  	          t1 = lengths[i0];
  	          j0 = j + 1;
  	          t1[j0] = selection == null ? Math.max(t1[j], lengths[i][j0]) : lengths[i][j] + 1;
  	        }
  	      return new A.longestCommonSubsequence_backtrack(selections, lengths, $T).call$2(list1.get$length(0) - 1, list2.get$length(0) - 1);
  	    },
  	    removeFirstWhere(list, test, orElse) {
  	      var i;
  	      for (i = 0; i < list.length; ++i) {
  	        if (!test.call$1(list[i]))
  	          continue;
  	        B.JSArray_methods.removeAt$1(list, i);
  	        return;
  	      }
  	      orElse.call$0();
  	    },
  	    mapAddAll2(destination, source, $K1, $K2, $V) {
  	      source.forEach$1(0, new A.mapAddAll2_closure(destination, $K1, $K2, $V));
  	    },
  	    setAll(map, keys, value) {
  	      var t1;
  	      for (t1 = keys.get$iterator(keys); t1.moveNext$0();)
  	        map.$indexSet(0, t1.get$current(t1), value);
  	    },
  	    rotateSlice(list, start, end) {
  	      var i, next,
  	        element = list.$index(0, end - 1);
  	      for (i = start; i < end; ++i, element = next) {
  	        next = list.$index(0, i);
  	        list.$indexSet(0, i, element);
  	      }
  	    },
  	    mapAsync(iterable, callback, $E, $F) {
  	      return A.mapAsync$body(iterable, callback, $E, $F, $F._eval$1("Iterable<0>"));
  	    },
  	    mapAsync$body(iterable, callback, $E, $F, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, t2, _i, t1, $async$temp1;
  	      var $async$mapAsync = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = A._setArrayType([], $F._eval$1("JSArray<0>"));
  	              t2 = iterable.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$temp1 = t1;
  	              $async$goto = 6;
  	              return A._asyncAwait(callback.call$1(iterable[_i]), $async$mapAsync);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$mapAsync, $async$completer);
  	    },
  	    putIfAbsentAsync(map, key, ifAbsent, $K, $V) {
  	      return A.putIfAbsentAsync$body(map, key, ifAbsent, $K, $V, $V);
  	    },
  	    putIfAbsentAsync$body(map, key, ifAbsent, $K, $V, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, t1, value;
  	      var $async$putIfAbsentAsync = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (map.containsKey$1(key)) {
  	                t1 = map.$index(0, key);
  	                $async$returnValue = t1 == null ? $V._as(t1) : t1;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait(ifAbsent.call$0(), $async$putIfAbsentAsync);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              map.$indexSet(0, key, value);
  	              $async$returnValue = value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$putIfAbsentAsync, $async$completer);
  	    },
  	    copyMapOfMap(map, $K1, $K2, $V) {
  	      var t3, key, child,
  	        t1 = $K2._eval$1("@<0>")._bind$1($V)._eval$1("Map<1,2>"),
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty($K1, t1);
  	      for (t1 = A.MapExtensions_get_pairs(map, $K1, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        key = t3._0;
  	        child = t3._1;
  	        t3 = A.LinkedHashMap_LinkedHashMap(null, null, null, $K2, $V);
  	        t3.addAll$1(0, child);
  	        t2.$indexSet(0, key, t3);
  	      }
  	      return t2;
  	    },
  	    copyMapOfList(map, $K, $E) {
  	      var t3,
  	        t1 = $E._eval$1("List<0>"),
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty($K, t1);
  	      for (t1 = A.MapExtensions_get_pairs(map, $K, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        t2.$indexSet(0, t3._0, J.toList$0$ax(t3._1));
  	      }
  	      return t2;
  	    },
  	    consumeEscapedCharacter(scanner) {
  	      var _1_0, value, i, next, t1;
  	      scanner.expectChar$1(92);
  	      _1_0 = scanner.peekChar$0();
  	      if (_1_0 == null)
  	        return 65533;
  	      if (_1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	        scanner.error$1(0, "Expected escape sequence.");
  	      if (A.CharacterExtension_get_isHex(_1_0)) {
  	        for (value = 0, i = 0; i < 6; ++i) {
  	          next = scanner.peekChar$0();
  	          if (next != null) {
  	            t1 = true;
  	            if (!(next >= 48 && next <= 57))
  	              if (!(next >= 97 && next <= 102))
  	                t1 = next >= 65 && next <= 70;
  	            t1 = !t1;
  	          } else
  	            t1 = true;
  	          if (t1)
  	            break;
  	          value = (value << 4 >>> 0) + A.asHex(scanner.readChar$0());
  	        }
  	        t1 = scanner.peekChar$0();
  	        if (t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12)
  	          scanner.readChar$0();
  	        $label0$1: {
  	          if (0 !== value)
  	            t1 = value >= 55296 && value <= 57343 || value >= 1114111;
  	          else
  	            t1 = true;
  	          if (t1) {
  	            t1 = 65533;
  	            break $label0$1;
  	          }
  	          t1 = value;
  	          break $label0$1;
  	        }
  	        return t1;
  	      }
  	      return scanner.readChar$0();
  	    },
  	    throwWithTrace(error, originalError, trace) {
  	      var t1 = A.getTrace(originalError);
  	      A.attachTrace(error, t1 == null ? trace : t1);
  	      throw A.wrapException(error);
  	    },
  	    attachTrace(error, trace) {
  	      var t1;
  	      if (trace.toString$0(0).length === 0)
  	        return;
  	      t1 = $.$get$_traces();
  	      A.Expando__checkType(error);
  	      if (t1._jsWeakMap.get(error) == null)
  	        t1.$indexSet(0, error, trace);
  	    },
  	    getTrace(error) {
  	      var t1;
  	      if (typeof error == "string" || typeof error == "number" || A._isBool(error))
  	        t1 = null;
  	      else {
  	        t1 = $.$get$_traces();
  	        A.Expando__checkType(error);
  	        t1 = t1._jsWeakMap.get(error);
  	      }
  	      return t1;
  	    },
  	    indent_closure: function indent_closure(t0) {
  	      this.indentation = t0;
  	    },
  	    flattenVertically_closure: function flattenVertically_closure(t0) {
  	      this.T = t0;
  	    },
  	    flattenVertically_closure0: function flattenVertically_closure0(t0, t1) {
  	      this.result = t0;
  	      this.T = t1;
  	    },
  	    longestCommonSubsequence_backtrack: function longestCommonSubsequence_backtrack(t0, t1, t2) {
  	      this.selections = t0;
  	      this.lengths = t1;
  	      this.T = t2;
  	    },
  	    mapAddAll2_closure: function mapAddAll2_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.destination = t0;
  	      _.K1 = t1;
  	      _.K2 = t2;
  	      _.V = t3;
  	    },
  	    SassApiValue_assertSelector(_this, allowParent, $name) {
  	      var error, stackTrace, t1, string = _this._selectorString$1($name);
  	      try {
  	        t1 = A.SelectorList_SelectorList$parse(string, allowParent, null, false);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassFormatException._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = B.JSString_methods.replaceFirst$2(J.toString$0$(error), "Error: ", "");
  	          A.throwWithTrace(new A.SassScriptException($name == null ? t1 : "$" + $name + ": " + t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    SassApiValue_assertCompoundSelector(_this, $name) {
  	      var error, stackTrace, t1, allowParent = false,
  	        string = _this._selectorString$1($name);
  	      try {
  	        t1 = new A.SelectorParser(allowParent, false, A.SpanScanner$(string, null), null).parseCompoundSelector$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassFormatException._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = B.JSString_methods.replaceFirst$2(J.toString$0$(error), "Error: ", "");
  	          A.throwWithTrace(new A.SassScriptException("$" + $name + ": " + t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    Value: function Value() {
  	    },
  	    SassArgumentList$(contents, keywords, separator) {
  	      var t1 = type$.Value;
  	      t1 = new A.SassArgumentList(A.ConstantMap_ConstantMap$from(keywords, type$.String, t1), A.List_List$unmodifiable(contents, t1), separator, false);
  	      t1.SassList$3$brackets(contents, separator, false);
  	      return t1;
  	    },
  	    SassArgumentList: function SassArgumentList(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._keywords = t0;
  	      _._wereKeywordsAccessed = false;
  	      _._list$_contents = t1;
  	      _._separator = t2;
  	      _._hasBrackets = t3;
  	    },
  	    SassBoolean: function SassBoolean(t0) {
  	      this.value = t0;
  	    },
  	    SassCalculation_calc(argument) {
  	      var t1,
  	        _0_0 = A.SassCalculation__simplify(argument);
  	      $label0$0: {
  	        if (_0_0 instanceof A.SassNumber) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassCalculation) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = new A.SassCalculation("calc", A.List_List$unmodifiable([_0_0], type$.Object));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassCalculation_min($arguments) {
  	      var minimum, _i, arg, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("min() must have at least one argument.", null));
  	      for (minimum = null, _i = 0; _i < t1; ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber)
  	          t2 = minimum != null && !minimum.isComparableTo$1(arg);
  	        else
  	          t2 = true;
  	        if (t2) {
  	          minimum = null;
  	          break;
  	        } else if (minimum == null || minimum.greaterThan$1(arg).value)
  	          minimum = arg;
  	      }
  	      if (minimum != null)
  	        return minimum;
  	      A.SassCalculation__verifyCompatibleNumbers(args);
  	      return new A.SassCalculation("min", args);
  	    },
  	    SassCalculation_max($arguments) {
  	      var maximum, _i, arg, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("max() must have at least one argument.", null));
  	      for (maximum = null, _i = 0; _i < t1; ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber)
  	          t2 = maximum != null && !maximum.isComparableTo$1(arg);
  	        else
  	          t2 = true;
  	        if (t2) {
  	          maximum = null;
  	          break;
  	        } else if (maximum == null || maximum.lessThan$1(arg).value)
  	          maximum = arg;
  	      }
  	      if (maximum != null)
  	        return maximum;
  	      A.SassCalculation__verifyCompatibleNumbers(args);
  	      return new A.SassCalculation("max", args);
  	    },
  	    SassCalculation_hypot($arguments) {
  	      var first, subtotal, i, number, value, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("hypot() must have at least one argument.", null));
  	      A.SassCalculation__verifyCompatibleNumbers(args);
  	      first = B.JSArray_methods.get$first(args);
  	      if (!(first instanceof A.SassNumber) || first.hasUnit$1("%"))
  	        return new A.SassCalculation("hypot", args);
  	      for (subtotal = 0, i = 0; i < t1;) {
  	        number = args[i];
  	        if (!(number instanceof A.SassNumber) || !number.hasCompatibleUnits$1(first))
  	          return new A.SassCalculation("hypot", args);
  	        ++i;
  	        value = number.convertValueToMatch$3(first, "numbers[" + i + "]", "numbers[1]");
  	        subtotal += value * value;
  	      }
  	      t1 = Math.sqrt(subtotal);
  	      t2 = first.get$numeratorUnits(first);
  	      return A.SassNumber_SassNumber$withUnits(t1, first.get$denominatorUnits(first), t2);
  	    },
  	    SassCalculation_abs(argument) {
  	      argument = A.SassCalculation__simplify(argument);
  	      if (!(argument instanceof A.SassNumber))
  	        return new A.SassCalculation("abs", A._setArrayType([argument], type$.JSArray_Object));
  	      if (argument.hasUnit$1("%"))
  	        A.warnForDeprecation(string$.Passinp + argument.toString$0(0) + ")\nTo emit a CSS abs() now: abs(#{" + argument.toString$0(0) + string$.x7dx29_Mor, B.Deprecation_Usi);
  	      return A.SassNumber_SassNumber(Math.abs(argument._number$_value), null).coerceToMatch$1(argument);
  	    },
  	    SassCalculation_exp(argument) {
  	      argument = A.SassCalculation__simplify(argument);
  	      if (!(argument instanceof A.SassNumber))
  	        return new A.SassCalculation("exp", A._setArrayType([argument], type$.JSArray_Object));
  	      argument.assertNoUnits$0();
  	      return A.pow0(A.SassNumber_SassNumber(2.718281828459045, null), argument);
  	    },
  	    SassCalculation_sign(argument) {
  	      var t1, _0_2, t2, arg;
  	      argument = A.SassCalculation__simplify(argument);
  	      $label0$0: {
  	        t1 = argument instanceof A.SassNumber;
  	        if (t1) {
  	          _0_2 = argument._number$_value;
  	          if (!isNaN(_0_2))
  	            t2 = 0 === _0_2;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          t1 = argument;
  	          break $label0$0;
  	        }
  	        if (t1) {
  	          t1 = !argument.hasUnit$1("%");
  	          arg = argument;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.SassNumber_SassNumber(J.get$sign$in(arg._number$_value), null).coerceToMatch$1(argument);
  	          break $label0$0;
  	        }
  	        t1 = new A.SassCalculation("sign", A._setArrayType([argument], type$.JSArray_Object));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassCalculation_clamp(min, value, max) {
  	      var t1, args;
  	      if (value == null && max != null)
  	        throw A.wrapException(A.ArgumentError$("If value is null, max must also be null.", null));
  	      min = A.SassCalculation__simplify(min);
  	      value = A.NullableExtension_andThen(value, A.calculation_SassCalculation__simplify$closure());
  	      max = A.NullableExtension_andThen(max, A.calculation_SassCalculation__simplify$closure());
  	      if (min instanceof A.SassNumber && value instanceof A.SassNumber && max instanceof A.SassNumber && min.hasCompatibleUnits$1(value) && min.hasCompatibleUnits$1(max)) {
  	        if (value.lessThanOrEquals$1(min).value)
  	          return min;
  	        if (value.greaterThanOrEquals$1(max).value)
  	          return max;
  	        return value;
  	      }
  	      t1 = [min];
  	      if (value != null)
  	        t1.push(value);
  	      if (max != null)
  	        t1.push(max);
  	      args = A.List_List$unmodifiable(t1, type$.Object);
  	      A.SassCalculation__verifyCompatibleNumbers(args);
  	      A.SassCalculation__verifyLength(args, 3);
  	      return new A.SassCalculation("clamp", args);
  	    },
  	    SassCalculation_pow(base, exponent) {
  	      var t1 = A._setArrayType([base], type$.JSArray_Object);
  	      if (exponent != null)
  	        t1.push(exponent);
  	      A.SassCalculation__verifyLength(t1, 2);
  	      base = A.SassCalculation__simplify(base);
  	      exponent = A.NullableExtension_andThen(exponent, A.calculation_SassCalculation__simplify$closure());
  	      if (!(base instanceof A.SassNumber) || !(exponent instanceof A.SassNumber))
  	        return new A.SassCalculation("pow", t1);
  	      base.assertNoUnits$0();
  	      exponent.assertNoUnits$0();
  	      return A.pow0(base, exponent);
  	    },
  	    SassCalculation_log(number, base) {
  	      var t1, t2;
  	      number = A.SassCalculation__simplify(number);
  	      base = A.NullableExtension_andThen(base, A.calculation_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([number], type$.JSArray_Object);
  	      t2 = base != null;
  	      if (t2)
  	        t1.push(base);
  	      if (number instanceof A.SassNumber)
  	        t2 = t2 && !(base instanceof A.SassNumber);
  	      else
  	        t2 = true;
  	      if (t2)
  	        return new A.SassCalculation("log", t1);
  	      number.assertNoUnits$0();
  	      if (base instanceof A.SassNumber) {
  	        base.assertNoUnits$0();
  	        return A.log(number, base);
  	      }
  	      return A.log(number, null);
  	    },
  	    SassCalculation_atan2(y, x) {
  	      var t1;
  	      y = A.SassCalculation__simplify(y);
  	      x = A.NullableExtension_andThen(x, A.calculation_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([y], type$.JSArray_Object);
  	      if (x != null)
  	        t1.push(x);
  	      A.SassCalculation__verifyLength(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers(t1);
  	      if (!(y instanceof A.SassNumber) || !(x instanceof A.SassNumber) || y.hasUnit$1("%") || x.hasUnit$1("%") || !y.hasCompatibleUnits$1(x))
  	        return new A.SassCalculation("atan2", t1);
  	      return A.SassNumber_SassNumber$withUnits(Math.atan2(y._number$_value, x.convertValueToMatch$3(y, "x", "y")) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    SassCalculation_rem(dividend, modulus) {
  	      var t1, result;
  	      dividend = A.SassCalculation__simplify(dividend);
  	      modulus = A.NullableExtension_andThen(modulus, A.calculation_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([dividend], type$.JSArray_Object);
  	      if (modulus != null)
  	        t1.push(modulus);
  	      A.SassCalculation__verifyLength(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers(t1);
  	      if (!(dividend instanceof A.SassNumber) || !(modulus instanceof A.SassNumber) || !dividend.hasCompatibleUnits$1(modulus))
  	        return new A.SassCalculation("rem", t1);
  	      result = dividend.modulo$1(modulus);
  	      t1 = modulus._number$_value;
  	      if (A.DoubleWithSignedZero_get_signIncludingZero(t1) !== A.DoubleWithSignedZero_get_signIncludingZero(dividend._number$_value)) {
  	        if (t1 == 1 / 0 || t1 == -1 / 0)
  	          return dividend;
  	        if (result._number$_value === 0)
  	          return result.unaryMinus$0();
  	        return result.minus$1(modulus);
  	      }
  	      return result;
  	    },
  	    SassCalculation_mod(dividend, modulus) {
  	      var t1;
  	      dividend = A.SassCalculation__simplify(dividend);
  	      modulus = A.NullableExtension_andThen(modulus, A.calculation_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([dividend], type$.JSArray_Object);
  	      if (modulus != null)
  	        t1.push(modulus);
  	      A.SassCalculation__verifyLength(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers(t1);
  	      if (!(dividend instanceof A.SassNumber) || !(modulus instanceof A.SassNumber) || !dividend.hasCompatibleUnits$1(modulus))
  	        return new A.SassCalculation("mod", t1);
  	      return dividend.modulo$1(modulus);
  	    },
  	    SassCalculation_roundInternal(strategyOrNumber, numberOrStep, step, inLegacySassFunction, span, warn) {
  	      var _0_8_isSet, t2, _0_6_isSet, _0_6_isSet0, _0_14_isSet, _0_14, _0_12, _0_16, _0_18, _0_18_isSet, _0_20, _0_20_isSet, strategy, _0_9_isSet0, _0_16_isSet, t3, t4, _0_12_isSet, _0_12_isSet0, rest, _null = null, _s5_ = "round",
  	        _0_1 = A.SassCalculation__simplify(strategyOrNumber),
  	        _0_6 = A.NullableExtension_andThen(numberOrStep, A.calculation_SassCalculation__simplify$closure()),
  	        _0_9 = A.NullableExtension_andThen(step, A.calculation_SassCalculation__simplify$closure()),
  	        _0_8 = _null,
  	        _0_60 = _null,
  	        _0_10 = _null,
  	        _0_10_isSet = false,
  	        _0_90 = _null,
  	        _0_9_isSet = false,
  	        number = _null,
  	        t1 = false;
  	      if (_0_1 instanceof A.SassNumber) {
  	        _0_8_isSet = !_0_1.get$hasUnits();
  	        if (_0_8_isSet) {
  	          _0_8 = _0_6 == null;
  	          t2 = _0_8;
  	          if (t2) {
  	            _0_10 = _0_9 == null;
  	            t1 = _0_10;
  	            _0_90 = _0_9;
  	            _0_10_isSet = true;
  	            _0_9_isSet = true;
  	          }
  	          _0_60 = _0_6;
  	          number = _0_1;
  	        }
  	        _0_6_isSet = _0_8_isSet;
  	      } else {
  	        _0_8_isSet = false;
  	        _0_6_isSet = false;
  	      }
  	      if (t1)
  	        return A.SassNumber_SassNumber(B.JSNumber_methods.round$0(number._number$_value), _null);
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber) {
  	        if (_0_8_isSet)
  	          t2 = _0_8;
  	        else {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_60 = t2;
  	            _0_6_isSet = true;
  	          }
  	          _0_8 = t2 == null;
  	          t2 = _0_8;
  	          _0_8_isSet = true;
  	        }
  	        if (t2) {
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          t1 = t1 && inLegacySassFunction != null;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        warn.call$2(string$.In_fut, B.Deprecation_WW3);
  	        t1 = B.JSNumber_methods.round$0(number._number$_value);
  	        t2 = number.get$numeratorUnits(number);
  	        return A.SassNumber_SassNumber$withUnits(t1, number.get$denominatorUnits(number), t2);
  	      }
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber) {
  	        _0_6_isSet0 = true;
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t2;
  	        }
  	        if (t2 instanceof A.SassNumber) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          type$.SassNumber._as(t2);
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          t1 = t1 && !_0_1.hasCompatibleUnits$1(t2);
  	          step = t2;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        t1 = type$.JSArray_Object;
  	        A.SassCalculation__verifyCompatibleNumbers(A._setArrayType([number, step], t1));
  	        return new A.SassCalculation(_s5_, A._setArrayType([number, step], t1));
  	      }
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber) {
  	        _0_6_isSet0 = true;
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t2;
  	        }
  	        if (t2 instanceof A.SassNumber) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          type$.SassNumber._as(t2);
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          step = t2;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        A.SassCalculation__verifyCompatibleNumbers(A._setArrayType([number, step], type$.JSArray_Object));
  	        return A.SassCalculation__roundWithStep("nearest", number, step);
  	      }
  	      _0_14_isSet = _0_1 instanceof A.SassString;
  	      _0_14 = _null;
  	      _0_12 = _null;
  	      _0_16 = _null;
  	      _0_18 = _null;
  	      _0_18_isSet = false;
  	      _0_20 = _null;
  	      _0_20_isSet = false;
  	      strategy = _null;
  	      number = _null;
  	      step = _null;
  	      t1 = false;
  	      if (_0_14_isSet) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        _0_12 = _0_1._string$_text;
  	        t2 = _0_12;
  	        _0_14 = "nearest" === t2;
  	        t2 = _0_14;
  	        _0_16_isSet = !t2;
  	        t2 = true;
  	        if (_0_16_isSet) {
  	          _0_16 = "up" === _0_12;
  	          t3 = _0_16;
  	          _0_18_isSet = !t3;
  	          if (_0_18_isSet) {
  	            _0_18 = "down" === _0_12;
  	            t3 = _0_18;
  	            _0_20_isSet = !t3;
  	            if (_0_20_isSet) {
  	              _0_20 = "to-zero" === _0_12;
  	              t2 = _0_20;
  	            }
  	          }
  	        }
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassNumber) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            t3 = type$.SassNumber;
  	            t3._as(t2);
  	            if (_0_9_isSet)
  	              t4 = _0_90;
  	            else {
  	              t4 = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = t4;
  	            }
  	            if (t4 instanceof A.SassNumber) {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_9_isSet = _0_9_isSet0;
  	                _0_90 = t1;
  	              }
  	              t3._as(t1);
  	              t3 = !t2.hasCompatibleUnits$1(t1);
  	              step = t1;
  	              t1 = t3;
  	            }
  	            number = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      } else
  	        _0_16_isSet = false;
  	      if (t1) {
  	        t1 = type$.JSArray_Object;
  	        A.SassCalculation__verifyCompatibleNumbers(A._setArrayType([number, step], t1));
  	        return new A.SassCalculation(_s5_, A._setArrayType([strategy, number, step], t1));
  	      }
  	      strategy = _null;
  	      number = _null;
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        _0_12_isSet = true;
  	        if (_0_14_isSet) {
  	          t2 = _0_14;
  	          _0_12_isSet0 = _0_14_isSet;
  	        } else {
  	          _0_12 = _0_1._string$_text;
  	          t2 = _0_12;
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_12_isSet0 = _0_12_isSet;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet0)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string$_text;
  	              t2 = _0_12;
  	              _0_12_isSet0 = _0_12_isSet;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet0)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string$_text;
  	                t2 = _0_12;
  	                _0_12_isSet0 = _0_12_isSet;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet) {
  	                t2 = _0_20;
  	                _0_12_isSet = _0_12_isSet0;
  	              } else {
  	                if (_0_12_isSet0) {
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                } else {
  	                  _0_12 = _0_1._string$_text;
  	                  t2 = _0_12;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else {
  	              t2 = t3;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	          } else {
  	            t2 = t3;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	        } else {
  	          t2 = t3;
  	          _0_12_isSet = _0_12_isSet0;
  	        }
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassNumber) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            t3 = type$.SassNumber;
  	            t3._as(t2);
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = t1;
  	            }
  	            t1 = t1 instanceof A.SassNumber;
  	            if (t1) {
  	              if (_0_9_isSet)
  	                t4 = _0_90;
  	              else {
  	                t4 = _0_9;
  	                _0_9_isSet = _0_9_isSet0;
  	                _0_90 = t4;
  	              }
  	              t3._as(t4);
  	              step = t4;
  	            }
  	            number = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      } else
  	        _0_12_isSet = _0_14_isSet;
  	      if (t1) {
  	        A.SassCalculation__verifyCompatibleNumbers(A._setArrayType([number, step], type$.JSArray_Object));
  	        return A.SassCalculation__roundWithStep(strategy._string$_text, number, step);
  	      }
  	      strategy = _null;
  	      rest = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString) {
  	        _0_6_isSet0 = true;
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassString) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            type$.SassString._as(t2);
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	            rest = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      }
  	      if (t1)
  	        return new A.SassCalculation(_s5_, A._setArrayType([strategy, rest], type$.JSArray_Object));
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString) {
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_60 = t2;
  	            _0_6_isSet = true;
  	          }
  	          if (t2 != null)
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	        }
  	      }
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$(string$.If_str, _null));
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString) {
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_8_isSet)
  	            t2 = _0_8;
  	          else {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_60 = t2;
  	              _0_6_isSet = true;
  	            }
  	            _0_8 = t2 == null;
  	            t2 = _0_8;
  	            _0_8_isSet = true;
  	          }
  	          if (t2)
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	        }
  	      }
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$(string$.Number, _null));
  	      t1 = false;
  	      if (_0_8_isSet)
  	        t2 = _0_8;
  	      else {
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_60 = t2;
  	          _0_6_isSet = true;
  	        }
  	        _0_8 = t2 == null;
  	        t2 = _0_8;
  	      }
  	      if (t2)
  	        if (_0_10_isSet)
  	          t1 = _0_10;
  	        else {
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_90 = t1;
  	            _0_9_isSet = true;
  	          }
  	          _0_10 = t1 == null;
  	          t1 = _0_10;
  	          _0_10_isSet = true;
  	        }
  	      if (t1)
  	        return new A.SassCalculation(_s5_, A._setArrayType([_0_1], type$.JSArray_Object));
  	      step = _null;
  	      t1 = false;
  	      _0_6_isSet0 = true;
  	      if (_0_6_isSet)
  	        t2 = _0_60;
  	      else {
  	        t2 = _0_6;
  	        _0_6_isSet = _0_6_isSet0;
  	        _0_60 = t2;
  	      }
  	      if (t2 != null) {
  	        if (_0_6_isSet)
  	          step = _0_60;
  	        else {
  	          step = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = step;
  	        }
  	        if (step == null)
  	          step = A._asObject(step);
  	        if (_0_10_isSet)
  	          t1 = _0_10;
  	        else {
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_90 = t1;
  	            _0_9_isSet = true;
  	          }
  	          _0_10 = t1 == null;
  	          t1 = _0_10;
  	        }
  	      }
  	      if (t1)
  	        return new A.SassCalculation(_s5_, A._setArrayType([_0_1, step], type$.JSArray_Object));
  	      if (_0_1 instanceof A.SassString) {
  	        t1 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = true;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	        }
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = true;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = true;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t1 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t1 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string$_text;
  	                  t1 = _0_12;
  	                }
  	                _0_20 = "to-zero" === t1;
  	                t1 = _0_20;
  	              }
  	          }
  	        }
  	      } else
  	        t1 = false;
  	      if (!t1)
  	        if (_0_1 instanceof A.SassString)
  	          t1 = _0_1.get$isSpecialVariable();
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      number = _null;
  	      step = _null;
  	      t2 = false;
  	      if (t1) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        type$.SassString._as(_0_1);
  	        if (_0_6_isSet)
  	          t1 = _0_60;
  	        else {
  	          t1 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t1;
  	        }
  	        if (t1 != null) {
  	          if (_0_6_isSet)
  	            number = _0_60;
  	          else {
  	            number = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = number;
  	          }
  	          if (number == null)
  	            number = A._asObject(number);
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_9_isSet = _0_9_isSet0;
  	            _0_90 = t1;
  	          }
  	          t1 = t1 != null;
  	          if (t1) {
  	            if (_0_9_isSet)
  	              step = _0_90;
  	            else {
  	              step = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = step;
  	            }
  	            if (step == null)
  	              step = A._asObject(step);
  	          }
  	        } else
  	          t1 = t2;
  	        strategy = _0_1;
  	      } else {
  	        t1 = t2;
  	        strategy = _null;
  	      }
  	      if (t1)
  	        return new A.SassCalculation(_s5_, A._setArrayType([strategy, number, step], type$.JSArray_Object));
  	      t1 = false;
  	      if ((_0_6_isSet ? _0_60 : _0_6) != null)
  	        t1 = (_0_9_isSet ? _0_90 : _0_9) != null;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$(A.S(strategyOrNumber) + string$.x20must_b, _null));
  	      t1 = A.SassScriptException$("Invalid parameters.", _null);
  	      throw A.wrapException(t1);
  	    },
  	    SassCalculation_calcSize(basis, value) {
  	      var t1 = type$.JSArray_Object,
  	        t2 = A._setArrayType([basis], t1);
  	      if (value != null)
  	        t2.push(value);
  	      A.SassCalculation__verifyLength(t2, 2);
  	      basis = A.SassCalculation__simplify(basis);
  	      value = A.NullableExtension_andThen(value, A.calculation_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([basis], t1);
  	      if (value != null)
  	        t1.push(value);
  	      return new A.SassCalculation("calc-size", t1);
  	    },
  	    SassCalculation_operateInternal(operator, left, right, inLegacySassFunction, simplify, warn) {
  	      var compatible, t1;
  	      if (!simplify)
  	        return new A.CalculationOperation(operator, left, right);
  	      left = A.SassCalculation__simplify(left);
  	      right = A.SassCalculation__simplify(right);
  	      if (B.CalculationOperator_dpX === operator || B.CalculationOperator_KrC === operator) {
  	        if (left instanceof A.SassNumber && right instanceof A.SassNumber) {
  	          compatible = left.hasCompatibleUnits$1(right);
  	          if (!compatible && inLegacySassFunction != null && left.isComparableTo$1(right)) {
  	            warn.call$2("In future versions of Sass, " + inLegacySassFunction + "() will be interpreted as the CSS " + inLegacySassFunction + string$.x28__cal + inLegacySassFunction + string$.x28__ins, B.Deprecation_WW3);
  	            compatible = true;
  	          }
  	          if (compatible)
  	            return operator === B.CalculationOperator_dpX ? left.plus$1(right) : left.minus$1(right);
  	        }
  	        A.SassCalculation__verifyCompatibleNumbers(A._setArrayType([left, right], type$.JSArray_Object));
  	        if (right instanceof A.SassNumber) {
  	          t1 = right._number$_value;
  	          t1 = t1 < 0 && !A.fuzzyEquals(t1, 0);
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          right = right.times$1(A.SassNumber_SassNumber(-1, null));
  	          operator = operator === B.CalculationOperator_dpX ? B.CalculationOperator_KrC : B.CalculationOperator_dpX;
  	        }
  	        return new A.CalculationOperation(operator, left, right);
  	      } else if (left instanceof A.SassNumber && right instanceof A.SassNumber)
  	        return operator === B.CalculationOperator_LPB ? left.times$1(right) : left.dividedBy$1(right);
  	      else
  	        return new A.CalculationOperation(operator, left, right);
  	    },
  	    SassCalculation__roundWithStep(strategy, number, step) {
  	      var _0_2, t1, _0_6, _0_8_isSet, _0_8, _0_9, _0_9_isSet, _0_11, _0_13, stepWithNumberUnit, t2, _null = null;
  	      if (!A.LinkedHashSet_LinkedHashSet$_literal(["nearest", "up", "down", "to-zero"], type$.String).contains$1(0, strategy))
  	        throw A.wrapException(A.ArgumentError$(strategy + string$.x20must_b, _null));
  	      _0_2 = number._number$_value;
  	      if (_0_2 == 1 / 0 || _0_2 == -1 / 0) {
  	        t1 = step._number$_value;
  	        t1 = t1 == 1 / 0 || t1 == -1 / 0;
  	      } else
  	        t1 = false;
  	      if (!t1) {
  	        t1 = step._number$_value;
  	        t1 = t1 === 0 || isNaN(_0_2) || isNaN(t1);
  	      } else
  	        t1 = true;
  	      if (t1) {
  	        t1 = number.get$numeratorUnits(number);
  	        return A.SassNumber_SassNumber$withUnits(0 / 0, number.get$denominatorUnits(number), t1);
  	      }
  	      if (_0_2 == 1 / 0 || _0_2 == -1 / 0)
  	        return number;
  	      t1 = step._number$_value;
  	      if (t1 == 1 / 0 || t1 == -1 / 0) {
  	        $label0$0: {
  	          if (0 === _0_2) {
  	            t1 = number;
  	            break $label0$0;
  	          }
  	          _0_6 = "nearest" === strategy;
  	          t1 = _0_6;
  	          _0_8_isSet = !t1;
  	          _0_8 = _null;
  	          if (_0_8_isSet) {
  	            _0_8 = "to-zero" === strategy;
  	            t1 = _0_8;
  	          } else
  	            t1 = true;
  	          _0_9 = _null;
  	          if (t1) {
  	            _0_9 = _0_2 > 0;
  	            t1 = _0_9;
  	            _0_9_isSet = true;
  	          } else {
  	            _0_9_isSet = false;
  	            t1 = false;
  	          }
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (!_0_6)
  	            if (_0_8_isSet)
  	              t1 = _0_8;
  	            else {
  	              _0_8 = "to-zero" === strategy;
  	              t1 = _0_8;
  	            }
  	          else
  	            t1 = true;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(-0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          _0_11 = "up" === strategy;
  	          t1 = _0_11;
  	          if (t1)
  	            if (_0_9_isSet)
  	              t1 = _0_9;
  	            else {
  	              _0_9 = _0_2 > 0;
  	              t1 = _0_9;
  	            }
  	          else
  	            t1 = false;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(1 / 0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (_0_11) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(-0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          _0_13 = "down" === strategy;
  	          t1 = _0_13;
  	          if (t1)
  	            t1 = _0_2 < 0;
  	          else
  	            t1 = false;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(-1 / 0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (_0_13) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits(0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          t1 = A.throwExpression(A.UnsupportedError$("Invalid argument: " + strategy + "."));
  	        }
  	        return t1;
  	      }
  	      stepWithNumberUnit = step.convertValueToMatch$1(number);
  	      $label1$1: {
  	        if ("nearest" === strategy) {
  	          t1 = B.JSNumber_methods.round$0(_0_2 / stepWithNumberUnit);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("up" === strategy) {
  	          t2 = _0_2 / stepWithNumberUnit;
  	          t1 = t1 < 0 ? B.JSNumber_methods.floor$0(t2) : B.JSNumber_methods.ceil$0(t2);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("down" === strategy) {
  	          t2 = _0_2 / stepWithNumberUnit;
  	          t1 = t1 < 0 ? B.JSNumber_methods.ceil$0(t2) : B.JSNumber_methods.floor$0(t2);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("to-zero" === strategy) {
  	          t1 = _0_2 / stepWithNumberUnit;
  	          if (_0_2 < 0) {
  	            t1 = B.JSNumber_methods.ceil$0(t1);
  	            t2 = number.get$numeratorUnits(number);
  	            t2 = A.SassNumber_SassNumber$withUnits(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	            t1 = t2;
  	          } else {
  	            t1 = B.JSNumber_methods.floor$0(t1);
  	            t2 = number.get$numeratorUnits(number);
  	            t2 = A.SassNumber_SassNumber$withUnits(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	            t1 = t2;
  	          }
  	          break $label1$1;
  	        }
  	        t1 = number.get$numeratorUnits(number);
  	        t1 = A.SassNumber_SassNumber$withUnits(0 / 0, number.get$denominatorUnits(number), t1);
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    SassCalculation__simplify(arg) {
  	      var t1, t2, _0_11_isSet, _0_15, _0_12, _0_16_isSet, text, _0_11, t3, _0_16, _0_12_isSet, _0_15_isSet, value, _null = null,
  	        _s32_ = " can't be used in a calculation.";
  	      $label0$0: {
  	        if (arg instanceof A.SassNumber || arg instanceof A.CalculationOperation) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        t1 = arg instanceof A.SassString;
  	        t2 = _null;
  	        if (t1 && !arg._hasQuotes) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        if (t1)
  	          A.throwExpression(A.SassScriptException$("Quoted string " + arg.toString$0(0) + _s32_, _null));
  	        _0_11_isSet = arg instanceof A.SassCalculation;
  	        _0_15 = _null;
  	        _0_12 = _null;
  	        _0_16_isSet = false;
  	        text = _null;
  	        t1 = false;
  	        if (_0_11_isSet) {
  	          _0_11 = "calc" === arg.name;
  	          if (_0_11) {
  	            _0_12 = arg.$arguments;
  	            _0_15 = _0_12.length === 1;
  	            t3 = _0_15;
  	            if (t3) {
  	              _0_16 = _0_12[0];
  	              t2 = _0_16;
  	              if (t2 instanceof A.SassString) {
  	                type$.SassString._as(_0_16);
  	                if (!_0_16._hasQuotes) {
  	                  text = _0_16._string$_text;
  	                  t1 = A.SassCalculation__needsParentheses(text);
  	                }
  	              }
  	              _0_16_isSet = true;
  	            } else
  	              _0_16 = t2;
  	          } else
  	            _0_16 = t2;
  	          _0_12_isSet = _0_11;
  	          _0_15_isSet = _0_12_isSet;
  	        } else {
  	          _0_16 = t2;
  	          _0_11 = _null;
  	          _0_15_isSet = false;
  	          _0_12_isSet = false;
  	        }
  	        if (t1) {
  	          t1 = new A.SassString("(" + A.S(text) + ")", false);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_11_isSet)
  	          if (_0_11)
  	            if (_0_15_isSet)
  	              t1 = _0_15;
  	            else {
  	              if (_0_12_isSet)
  	                t1 = _0_12;
  	              else {
  	                _0_12 = arg.$arguments;
  	                t1 = _0_12;
  	                _0_12_isSet = true;
  	              }
  	              _0_15 = t1.length === 1;
  	              t1 = _0_15;
  	            }
  	        if (t1) {
  	          if (_0_16_isSet)
  	            value = _0_16;
  	          else {
  	            _0_16 = (_0_12_isSet ? _0_12 : arg.$arguments)[0];
  	            value = _0_16;
  	          }
  	          t1 = value;
  	          break $label0$0;
  	        }
  	        if (_0_11_isSet) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        if (arg instanceof A.Value)
  	          A.throwExpression(A.SassScriptException$("Value " + arg.toString$0(0) + _s32_, _null));
  	        t1 = A.throwExpression(A.ArgumentError$("Unexpected calculation argument " + A.S(arg) + ".", _null));
  	      }
  	      return t1;
  	    },
  	    SassCalculation__needsParentheses(text) {
  	      var t1, couldBeVar, second, third, fourth, i, t2,
  	        first = text.charCodeAt(0);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47 || first === 42)
  	        return true;
  	      t1 = text.length;
  	      couldBeVar = t1 >= 4 && A.characterEqualsIgnoreCase(first, 118);
  	      if (t1 < 2)
  	        return false;
  	      second = text.charCodeAt(1);
  	      if (second === 32 || second === 9 || second === 10 || second === 13 || second === 12 || second === 47 || second === 42)
  	        return true;
  	      couldBeVar = couldBeVar && A.characterEqualsIgnoreCase(second, 97);
  	      if (t1 < 3)
  	        return false;
  	      third = text.charCodeAt(2);
  	      if (third === 32 || third === 9 || third === 10 || third === 13 || third === 12 || third === 47 || third === 42)
  	        return true;
  	      couldBeVar = couldBeVar && A.characterEqualsIgnoreCase(third, 114);
  	      if (t1 < 4)
  	        return false;
  	      fourth = text.charCodeAt(3);
  	      if (couldBeVar && fourth === 40)
  	        return true;
  	      if (fourth === 32 || fourth === 9 || fourth === 10 || fourth === 13 || fourth === 12 || fourth === 47 || fourth === 42)
  	        return true;
  	      for (i = 4; i < t1; ++i) {
  	        t2 = text.charCodeAt(i);
  	        if (t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12 || t2 === 47 || t2 === 42)
  	          return true;
  	      }
  	      return false;
  	    },
  	    SassCalculation__verifyCompatibleNumbers(args) {
  	      var t1, _i, t2, arg, i, number1, j, number2;
  	      for (t1 = args.length, _i = 0; t2 = args.length, _i < t2; args.length === t1 || (0, A.throwConcurrentModificationError)(args), ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber && arg.get$hasComplexUnits())
  	          throw A.wrapException(A.SassScriptException$("Number " + arg.toString$0(0) + " isn't compatible with CSS calculations.", null));
  	      }
  	      for (t1 = t2, i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          throw A.wrapException(A.SassScriptException$(number1.toString$0(0) + " and " + number2.toString$0(0) + " are incompatible.", null));
  	        }
  	      }
  	    },
  	    SassCalculation__verifyLength(args, expectedLength) {
  	      var t1;
  	      if (args.length === expectedLength)
  	        return;
  	      if (B.JSArray_methods.any$1(args, new A.SassCalculation__verifyLength_closure()))
  	        return;
  	      t1 = args.length;
  	      throw A.wrapException(A.SassScriptException$("" + expectedLength + " arguments required, but only " + t1 + " " + A.pluralize("was", t1, "were") + " passed.", null));
  	    },
  	    SassCalculation__singleArgument($name, argument, mathFunc, forbidUnits) {
  	      argument = A.SassCalculation__simplify(argument);
  	      if (!(argument instanceof A.SassNumber))
  	        return new A.SassCalculation($name, A._setArrayType([argument], type$.JSArray_Object));
  	      if (forbidUnits)
  	        argument.assertNoUnits$0();
  	      return mathFunc.call$1(argument);
  	    },
  	    SassCalculation: function SassCalculation(t0, t1) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	    },
  	    SassCalculation__verifyLength_closure: function SassCalculation__verifyLength_closure() {
  	    },
  	    CalculationOperation: function CalculationOperation(t0, t1, t2) {
  	      this._operator = t0;
  	      this._left = t1;
  	      this._right = t2;
  	    },
  	    CalculationOperator: function CalculationOperator(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.precedence = t2;
  	      _.index = t3;
  	      _._name = t4;
  	    },
  	    SassColor_SassColor$rgb(red, green, blue, alpha) {
  	      return A.SassColor_SassColor$rgbInternal(red, green, blue, alpha, null);
  	    },
  	    SassColor_SassColor$rgbInternal(red, green, blue, alpha, format) {
  	      var _null = null,
  	        t1 = red == null ? _null : red,
  	        t2 = green == null ? _null : green,
  	        t3 = blue == null ? _null : blue;
  	      return A.SassColor$_forSpace(B.RgbColorSpace_i0P, t1, t2, t3, alpha == null ? _null : alpha, format);
  	    },
  	    SassColor_SassColor$hsl(hue, saturation, lightness, alpha) {
  	      var _null = null,
  	        t1 = hue == null ? _null : hue,
  	        t2 = saturation == null ? _null : saturation,
  	        t3 = lightness == null ? _null : lightness;
  	      return A.SassColor_SassColor$forSpaceInternal(B.HslColorSpace_JQ2, t1, t2, t3, alpha == null ? _null : alpha);
  	    },
  	    SassColor_SassColor$hwb(hue, whiteness, blackness, alpha) {
  	      var _null = null,
  	        t1 = hue == null ? _null : hue,
  	        t2 = whiteness == null ? _null : whiteness,
  	        t3 = blackness == null ? _null : blackness;
  	      return A.SassColor_SassColor$forSpaceInternal(B.HwbColorSpace_guQ, t1, t2, t3, alpha == null ? _null : alpha);
  	    },
  	    SassColor_SassColor$forSpaceInternal(space, channel0, channel1, channel2, alpha) {
  	      var t1, t2, _null = null;
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ2 === space) {
  	          t1 = channel1 == null;
  	          t2 = A.SassColor__normalizeHue(channel0, !t1 && channel1 < 0 && !A.fuzzyEquals(channel1, 0));
  	          t2 = A.SassColor$_forSpace(space, t2, t1 ? _null : Math.abs(channel1), channel2, alpha, _null);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.HwbColorSpace_guQ === space) {
  	          t1 = A.SassColor$_forSpace(space, A.SassColor__normalizeHue(channel0, false), channel1, channel2, alpha, _null);
  	          break $label0$0;
  	        }
  	        if (B.LchColorSpace_Bpv === space || B.OklchColorSpace_9Gj === space) {
  	          t1 = channel1 == null;
  	          t2 = t1 ? _null : Math.abs(channel1);
  	          t2 = A.SassColor$_forSpace(space, channel0, t2, A.SassColor__normalizeHue(channel2, !t1 && channel1 < 0 && !A.fuzzyEquals(channel1, 0)), alpha, _null);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = A.SassColor$_forSpace(space, channel0, channel1, channel2, alpha, _null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassColor$_forSpace(_space, channel0OrNull, channel1OrNull, channel2OrNull, alpha, format) {
  	      return new A.SassColor(_space, channel0OrNull, channel1OrNull, channel2OrNull, format, A.NullableExtension_andThen(alpha, new A.SassColor$_forSpace_closure()));
  	    },
  	    SassColor__normalizeHue(hue, invert) {
  	      var t1, t2;
  	      if (hue == null)
  	        return hue;
  	      t1 = B.JSNumber_methods.$mod(hue, 360);
  	      t2 = invert ? 180 : 0;
  	      return B.JSNumber_methods.$mod(t1 + 360 + t2, 360);
  	    },
  	    SassColor: function SassColor(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._space = t0;
  	      _.channel0OrNull = t1;
  	      _.channel1OrNull = t2;
  	      _.channel2OrNull = t3;
  	      _.format = t4;
  	      _.alphaOrNull = t5;
  	    },
  	    SassColor$_forSpace_closure: function SassColor$_forSpace_closure() {
  	    },
  	    _ColorFormatEnum: function _ColorFormatEnum() {
  	    },
  	    SpanColorFormat: function SpanColorFormat(t0) {
  	      this._color$_span = t0;
  	    },
  	    ColorChannel: function ColorChannel(t0, t1, t2) {
  	      this.name = t0;
  	      this.isPolarAngle = t1;
  	      this.associatedUnit = t2;
  	    },
  	    LinearChannel: function LinearChannel(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.min = t0;
  	      _.max = t1;
  	      _.requiresPercent = t2;
  	      _.lowerClamped = t3;
  	      _.upperClamped = t4;
  	      _.name = t5;
  	      _.isPolarAngle = t6;
  	      _.associatedUnit = t7;
  	    },
  	    GamutMapMethod_GamutMapMethod$fromName($name) {
  	      var t1;
  	      $label0$0: {
  	        if ("clip" === $name) {
  	          t1 = B.ClipGamutMap_clip;
  	          break $label0$0;
  	        }
  	        if ("local-minde" === $name) {
  	          t1 = B.LocalMindeGamutMap_A2x;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$('Unknown gamut map method "' + $name + '".', null));
  	      }
  	      return t1;
  	    },
  	    GamutMapMethod: function GamutMapMethod() {
  	    },
  	    ClipGamutMap: function ClipGamutMap(t0) {
  	      this.name = t0;
  	    },
  	    LocalMindeGamutMap: function LocalMindeGamutMap(t0) {
  	      this.name = t0;
  	    },
  	    InterpolationMethod$(space, hue) {
  	      var t1;
  	      if (space.get$isPolarInternal())
  	        t1 = hue == null ? B.HueInterpolationMethod_0 : hue;
  	      else
  	        t1 = null;
  	      if (!space.get$isPolarInternal() && hue != null)
  	        A.throwExpression(A.ArgumentError$(string$.Hue_in + space.toString$0(0) + ".", null));
  	      return new A.InterpolationMethod(space, t1);
  	    },
  	    InterpolationMethod_InterpolationMethod$fromValue(value, $name) {
  	      var t1, space, hueMethod,
  	        list = value.assertCommonListStyle$2$allowSlash($name, false);
  	      if (list.length === 0)
  	        throw A.wrapException(A.SassScriptException$(string$.Expecta, $name));
  	      t1 = B.JSArray_methods.get$first(list).assertString$1($name);
  	      t1.assertUnquoted$1($name);
  	      space = A.ColorSpace_fromName(t1._string$_text, $name);
  	      if (list.length === 1)
  	        return A.InterpolationMethod$(space, null);
  	      hueMethod = A.HueInterpolationMethod_HueInterpolationMethod$_fromValue(list[1], $name);
  	      if (list.length === 2)
  	        throw A.wrapException(A.SassScriptException$('Expected unquoted string "hue" after ' + value.toString$0(0) + ".", $name));
  	      else {
  	        t1 = list[2].assertString$1($name);
  	        t1.assertUnquoted$1($name);
  	        if (t1._string$_text.toLowerCase() !== "hue")
  	          throw A.wrapException(A.SassScriptException$(string$.Expectu + value.toString$0(0) + ", was " + list[2].toString$0(0) + ".", $name));
  	        else if (list.length > 3)
  	          throw A.wrapException(A.SassScriptException$('Expected nothing after "hue" in ' + value.toString$0(0) + ".", $name));
  	        else if (!space.get$isPolarInternal())
  	          throw A.wrapException(A.SassScriptException$('Hue interpolation method "' + hueMethod.toString$0(0) + string$.x20hue__ + space.toString$0(0) + ".", $name));
  	      }
  	      return A.InterpolationMethod$(space, hueMethod);
  	    },
  	    HueInterpolationMethod_HueInterpolationMethod$_fromValue(value, $name) {
  	      var _0_0,
  	        t1 = value.assertString$1($name);
  	      t1.assertUnquoted$0();
  	      _0_0 = t1._string$_text.toLowerCase();
  	      $label0$0: {
  	        if ("shorter" === _0_0) {
  	          t1 = B.HueInterpolationMethod_0;
  	          break $label0$0;
  	        }
  	        if ("longer" === _0_0) {
  	          t1 = B.HueInterpolationMethod_1;
  	          break $label0$0;
  	        }
  	        if ("increasing" === _0_0) {
  	          t1 = B.HueInterpolationMethod_2;
  	          break $label0$0;
  	        }
  	        if ("decreasing" === _0_0) {
  	          t1 = B.HueInterpolationMethod_3;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$("Unknown hue interpolation method " + value.toString$0(0) + ".", $name));
  	      }
  	      return t1;
  	    },
  	    InterpolationMethod: function InterpolationMethod(t0, t1) {
  	      this.space = t0;
  	      this.hue = t1;
  	    },
  	    HueInterpolationMethod: function HueInterpolationMethod(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    ColorSpace_fromName($name, argumentName) {
  	      var t1,
  	        _0_0 = $name.toLowerCase();
  	      $label0$0: {
  	        if ("rgb" === _0_0) {
  	          t1 = B.RgbColorSpace_i0P;
  	          break $label0$0;
  	        }
  	        if ("hwb" === _0_0) {
  	          t1 = B.HwbColorSpace_guQ;
  	          break $label0$0;
  	        }
  	        if ("hsl" === _0_0) {
  	          t1 = B.HslColorSpace_JQ2;
  	          break $label0$0;
  	        }
  	        if ("srgb" === _0_0) {
  	          t1 = B.SrgbColorSpace_thf;
  	          break $label0$0;
  	        }
  	        if ("srgb-linear" === _0_0) {
  	          t1 = B.SrgbLinearColorSpace_kUj;
  	          break $label0$0;
  	        }
  	        if ("display-p3" === _0_0) {
  	          t1 = B.DisplayP3ColorSpace_MmT;
  	          break $label0$0;
  	        }
  	        if ("display-p3-linear" === _0_0) {
  	          t1 = B.DisplayP3LinearColorSpace_PrP;
  	          break $label0$0;
  	        }
  	        if ("a98-rgb" === _0_0) {
  	          t1 = B.A98RgbColorSpace_lf2;
  	          break $label0$0;
  	        }
  	        if ("prophoto-rgb" === _0_0) {
  	          t1 = B.ProphotoRgbColorSpace_BDz;
  	          break $label0$0;
  	        }
  	        if ("rec2020" === _0_0) {
  	          t1 = B.Rec2020ColorSpace_6oo;
  	          break $label0$0;
  	        }
  	        if ("xyz" === _0_0 || "xyz-d65" === _0_0) {
  	          t1 = B.XyzD65ColorSpace_WiJ;
  	          break $label0$0;
  	        }
  	        if ("xyz-d50" === _0_0) {
  	          t1 = B.XyzD50ColorSpace_2OB;
  	          break $label0$0;
  	        }
  	        if ("lab" === _0_0) {
  	          t1 = B.LabColorSpace_2nT;
  	          break $label0$0;
  	        }
  	        if ("lch" === _0_0) {
  	          t1 = B.LchColorSpace_Bpv;
  	          break $label0$0;
  	        }
  	        if ("oklab" === _0_0) {
  	          t1 = B.OklabColorSpace_540;
  	          break $label0$0;
  	        }
  	        if ("oklch" === _0_0) {
  	          t1 = B.OklchColorSpace_9Gj;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$('Unknown color space "' + $name + '".', argumentName));
  	      }
  	      return t1;
  	    },
  	    ColorSpace: function ColorSpace() {
  	    },
  	    A98RgbColorSpace: function A98RgbColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    DisplayP3ColorSpace: function DisplayP3ColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    DisplayP3LinearColorSpace: function DisplayP3LinearColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    HslColorSpace: function HslColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    HwbColorSpace: function HwbColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    HwbColorSpace_convert_toRgb: function HwbColorSpace_convert_toRgb(t0, t1) {
  	      this._box_0 = t0;
  	      this.factor = t1;
  	    },
  	    LabColorSpace: function LabColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    LchColorSpace: function LchColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    LmsColorSpace: function LmsColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    OklabColorSpace: function OklabColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    OklchColorSpace: function OklchColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    ProphotoRgbColorSpace: function ProphotoRgbColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    Rec2020ColorSpace: function Rec2020ColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    RgbColorSpace: function RgbColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    SrgbColorSpace: function SrgbColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    SrgbLinearColorSpace: function SrgbLinearColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    XyzD50ColorSpace: function XyzD50ColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    XyzD65ColorSpace: function XyzD65ColorSpace(t0, t1) {
  	      this.name = t0;
  	      this._channels = t1;
  	    },
  	    SassFunction: function SassFunction(t0, t1) {
  	      this.callable = t0;
  	      this._function$_compileContext = t1;
  	    },
  	    SassList$(contents, _separator, brackets) {
  	      var t1 = new A.SassList(A.List_List$unmodifiable(contents, type$.Value), _separator, brackets);
  	      t1.SassList$3$brackets(contents, _separator, brackets);
  	      return t1;
  	    },
  	    SassList: function SassList(t0, t1, t2) {
  	      this._list$_contents = t0;
  	      this._separator = t1;
  	      this._hasBrackets = t2;
  	    },
  	    SassList_isBlank_closure: function SassList_isBlank_closure() {
  	    },
  	    ListSeparator: function ListSeparator(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._list$_name = t0;
  	      _.separator = t1;
  	      _.index = t2;
  	      _._name = t3;
  	    },
  	    SassMap: function SassMap(t0) {
  	      this._map$_contents = t0;
  	    },
  	    SassMixin: function SassMixin(t0, t1) {
  	      this.callable = t0;
  	      this._mixin$_compileContext = t1;
  	    },
  	    _SassNull: function _SassNull() {
  	    },
  	    conversionFactor(unit1, unit2) {
  	      var _0_0;
  	      if (unit1 === unit2)
  	        return 1;
  	      _0_0 = B.Map_NtHoP.$index(0, unit1);
  	      if (_0_0 != null)
  	        return _0_0.$index(0, unit2);
  	      return null;
  	    },
  	    SassNumber_SassNumber(value, unit) {
  	      return unit == null ? new A.UnitlessSassNumber(value, null) : new A.SingleUnitSassNumber(unit, value, null);
  	    },
  	    SassNumber_SassNumber$withUnits(value, denominatorUnits, numeratorUnits) {
  	      var t1, _0_8, _0_10, _0_10_isSet, _0_7, _0_8_isSet, _0_7_isSet, unit, _0_7_isSet0, t2, numerators, denominators, unsimplifiedDenominators, valueDouble, _i, denominator, simplifiedAway, i, factor, _1_2, _1_7_isSet, _1_7, _null = null,
  	        _0_6 = _null,
  	        _0_4 = _null;
  	      _0_4 = numeratorUnits.length;
  	      t1 = _0_4;
  	      _0_6 = t1 <= 0;
  	      t1 = _0_6;
  	      _0_8 = _null;
  	      _0_10 = _null;
  	      if (t1) {
  	        _0_8 = denominatorUnits == null;
  	        t1 = _0_8;
  	        _0_10_isSet = !t1;
  	        if (_0_10_isSet) {
  	          _0_10 = (denominatorUnits == null ? type$.List_String._as(denominatorUnits) : denominatorUnits).length <= 0;
  	          t1 = _0_10;
  	        } else
  	          t1 = true;
  	        _0_7 = denominatorUnits;
  	        _0_8_isSet = true;
  	        _0_7_isSet = true;
  	      } else {
  	        _0_7 = _null;
  	        _0_8_isSet = false;
  	        _0_7_isSet = false;
  	        _0_10_isSet = false;
  	        t1 = false;
  	      }
  	      if (t1)
  	        return new A.UnitlessSassNumber(value, _null);
  	      unit = _null;
  	      t1 = false;
  	      _0_7_isSet0 = true;
  	      t2 = _0_4;
  	      if (t2 === 1) {
  	        unit = numeratorUnits[0];
  	        if (_0_8_isSet)
  	          t1 = _0_8;
  	        else {
  	          if (_0_7_isSet)
  	            t1 = _0_7;
  	          else {
  	            t1 = denominatorUnits;
  	            _0_7_isSet = _0_7_isSet0;
  	            _0_7 = t1;
  	          }
  	          _0_8 = t1 == null;
  	          t1 = _0_8;
  	          _0_8_isSet = true;
  	        }
  	        if (!t1)
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_7_isSet)
  	              t1 = _0_7;
  	            else {
  	              t1 = denominatorUnits;
  	              _0_7_isSet = _0_7_isSet0;
  	              _0_7 = t1;
  	            }
  	            _0_10 = (t1 == null ? type$.List_String._as(t1) : t1).length <= 0;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	        else
  	          t1 = true;
  	      }
  	      if (t1)
  	        return new A.SingleUnitSassNumber(unit, value, _null);
  	      t1 = false;
  	      _0_7_isSet0 = true;
  	      if (_0_8_isSet)
  	        t1 = _0_8;
  	      else {
  	        if (_0_7_isSet)
  	          t1 = _0_7;
  	        else {
  	          t1 = denominatorUnits;
  	          _0_7_isSet = _0_7_isSet0;
  	          _0_7 = t1;
  	        }
  	        _0_8 = t1 == null;
  	        t1 = _0_8;
  	      }
  	      if (!t1)
  	        if (_0_10_isSet)
  	          t1 = _0_10;
  	        else {
  	          if (_0_7_isSet)
  	            t1 = _0_7;
  	          else {
  	            t1 = denominatorUnits;
  	            _0_7_isSet = _0_7_isSet0;
  	            _0_7 = t1;
  	          }
  	          _0_10 = (t1 == null ? type$.List_String._as(t1) : t1).length <= 0;
  	          t1 = _0_10;
  	        }
  	      else
  	        t1 = true;
  	      numerators = numeratorUnits;
  	      if (t1)
  	        return new A.ComplexSassNumber(A.List_List$unmodifiable(numerators, type$.String), B.List_empty, value, _null);
  	      t1 = _0_6;
  	      denominators = _null;
  	      if (t1) {
  	        if (_0_7_isSet)
  	          t1 = _0_7;
  	        else {
  	          t1 = denominatorUnits;
  	          _0_7 = t1;
  	          _0_7_isSet = true;
  	        }
  	        t1 = t1 != null;
  	        if (t1) {
  	          denominators = _0_7_isSet ? _0_7 : denominatorUnits;
  	          if (denominators == null)
  	            denominators = type$.List_String._as(denominators);
  	        }
  	      } else
  	        t1 = false;
  	      if (t1)
  	        return new A.ComplexSassNumber(B.List_empty, A.List_List$unmodifiable(denominators, type$.String), value, _null);
  	      numerators = A._setArrayType(numeratorUnits.slice(0), A._arrayInstanceType(numeratorUnits));
  	      unsimplifiedDenominators = A._setArrayType(denominatorUnits.slice(0), A.instanceType(denominatorUnits));
  	      denominators = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = unsimplifiedDenominators.length, valueDouble = value, _i = 0; _i < unsimplifiedDenominators.length; unsimplifiedDenominators.length === t1 || (0, A.throwConcurrentModificationError)(unsimplifiedDenominators), ++_i) {
  	        denominator = unsimplifiedDenominators[_i];
  	        i = 0;
  	        for (;;) {
  	          if (!(i < numerators.length)) {
  	            simplifiedAway = false;
  	            break;
  	          }
  	          c$0: {
  	            factor = A.conversionFactor(denominator, numerators[i]);
  	            if (factor == null)
  	              break c$0;
  	            valueDouble *= factor;
  	            B.JSArray_methods.removeAt$1(numerators, i);
  	            simplifiedAway = true;
  	            break;
  	          }
  	          ++i;
  	        }
  	        if (!simplifiedAway)
  	          denominators.push(denominator);
  	      }
  	      $label0$1: {
  	        _1_2 = numerators.length;
  	        t1 = _1_2;
  	        _1_7_isSet = t1 <= 0;
  	        if (_1_7_isSet) {
  	          _1_7 = denominators.length <= 0;
  	          t1 = _1_7;
  	        } else {
  	          _1_7 = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = new A.UnitlessSassNumber(valueDouble, _null);
  	          break $label0$1;
  	        }
  	        t1 = false;
  	        if (_1_2 === 1) {
  	          unit = numerators[0];
  	          t1 = _1_7_isSet ? _1_7 : denominators.length <= 0;
  	        } else
  	          unit = _null;
  	        if (t1) {
  	          t1 = new A.SingleUnitSassNumber(unit, valueDouble, _null);
  	          break $label0$1;
  	        }
  	        t1 = type$.String;
  	        t1 = new A.ComplexSassNumber(A.List_List$unmodifiable(numerators, t1), A.List_List$unmodifiable(denominators, t1), valueDouble, _null);
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    SassNumber: function SassNumber() {
  	    },
  	    SassNumber__coerceOrConvertValue_compatibilityException: function SassNumber__coerceOrConvertValue_compatibilityException(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.other = t1;
  	      _.otherName = t2;
  	      _.otherHasUnits = t3;
  	      _.name = t4;
  	      _.newNumerators = t5;
  	      _.newDenominators = t6;
  	    },
  	    SassNumber__coerceOrConvertValue_closure: function SassNumber__coerceOrConvertValue_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.newNumerator = t1;
  	    },
  	    SassNumber__coerceOrConvertValue_closure0: function SassNumber__coerceOrConvertValue_closure0(t0) {
  	      this.compatibilityException = t0;
  	    },
  	    SassNumber__coerceOrConvertValue_closure1: function SassNumber__coerceOrConvertValue_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.newDenominator = t1;
  	    },
  	    SassNumber__coerceOrConvertValue_closure2: function SassNumber__coerceOrConvertValue_closure2(t0) {
  	      this.compatibilityException = t0;
  	    },
  	    SassNumber_plus_closure: function SassNumber_plus_closure() {
  	    },
  	    SassNumber_minus_closure: function SassNumber_minus_closure() {
  	    },
  	    SassNumber_multiplyUnits_closure: function SassNumber_multiplyUnits_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure0: function SassNumber_multiplyUnits_closure0(t0, t1) {
  	      this.newNumerators = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure1: function SassNumber_multiplyUnits_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure2: function SassNumber_multiplyUnits_closure2(t0, t1) {
  	      this.newNumerators = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber__areAnyConvertible_closure: function SassNumber__areAnyConvertible_closure(t0) {
  	      this.units2 = t0;
  	    },
  	    SassNumber__canonicalizeUnitList_closure: function SassNumber__canonicalizeUnitList_closure() {
  	    },
  	    SassNumber__canonicalMultiplier_closure: function SassNumber__canonicalMultiplier_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SassNumber_unitSuggestion_closure: function SassNumber_unitSuggestion_closure() {
  	    },
  	    SassNumber_unitSuggestion_closure0: function SassNumber_unitSuggestion_closure0() {
  	    },
  	    ComplexSassNumber: function ComplexSassNumber(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._numeratorUnits = t0;
  	      _._denominatorUnits = t1;
  	      _._number$_value = t2;
  	      _.hashCache = null;
  	      _.asSlash = t3;
  	    },
  	    SingleUnitSassNumber: function SingleUnitSassNumber(t0, t1, t2) {
  	      var _ = this;
  	      _._unit = t0;
  	      _._number$_value = t1;
  	      _.hashCache = null;
  	      _.asSlash = t2;
  	    },
  	    SingleUnitSassNumber__coerceToUnit_closure: function SingleUnitSassNumber__coerceToUnit_closure(t0, t1) {
  	      this.$this = t0;
  	      this.unit = t1;
  	    },
  	    SingleUnitSassNumber__coerceValueToUnit_closure: function SingleUnitSassNumber__coerceValueToUnit_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SingleUnitSassNumber_multiplyUnits_closure: function SingleUnitSassNumber_multiplyUnits_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    SingleUnitSassNumber_multiplyUnits_closure0: function SingleUnitSassNumber_multiplyUnits_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    UnitlessSassNumber: function UnitlessSassNumber(t0, t1) {
  	      this._number$_value = t0;
  	      this.hashCache = null;
  	      this.asSlash = t1;
  	    },
  	    SassString$(_text, quotes) {
  	      return new A.SassString(_text, quotes);
  	    },
  	    SassString: function SassString(t0, t1) {
  	      var _ = this;
  	      _._string$_text = t0;
  	      _._hasQuotes = t1;
  	      _.__SassString__sassLength_FI = $;
  	      _._hashCache = null;
  	    },
  	    AnySelectorVisitor: function AnySelectorVisitor() {
  	    },
  	    AnySelectorVisitor_visitComplexSelector_closure: function AnySelectorVisitor_visitComplexSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    AnySelectorVisitor_visitCompoundSelector_closure: function AnySelectorVisitor_visitCompoundSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor$0(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t1 = type$.Uri,
  	        t2 = type$.Module_AsyncCallable,
  	        t3 = A._setArrayType([], type$.JSArray_Record_2_String_and_AstNode);
  	      t1 = new A._EvaluateVisitor0(importCache, nodeImporter, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.AsyncCallable), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Configuration), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode), logger, A.LinkedHashSet_LinkedHashSet$_empty(type$.Record_2_String_and_SourceSpan), quietDeps, sourceMap, new A.Object(), A.AsyncEnvironment$(), A.LinkedHashSet_LinkedHashSet$_empty(t1), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.nullable_AstNode), t3, B.Configuration_Map_empty_null);
  	      t1._EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap0(functions, importCache, logger, nodeImporter, quietDeps, sourceMap);
  	      return t1;
  	    },
  	    _EvaluateVisitor0: function _EvaluateVisitor0(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16) {
  	      var _ = this;
  	      _._async_evaluate$_importCache = t0;
  	      _._async_evaluate$_nodeImporter = t1;
  	      _._async_evaluate$_builtInFunctions = t2;
  	      _._async_evaluate$_builtInModules = t3;
  	      _._async_evaluate$_modules = t4;
  	      _._async_evaluate$_moduleConfigurations = t5;
  	      _._async_evaluate$_moduleNodes = t6;
  	      _._async_evaluate$_logger = t7;
  	      _._async_evaluate$_warningsEmitted = t8;
  	      _._async_evaluate$_quietDeps = t9;
  	      _._async_evaluate$_sourceMap = t10;
  	      _._async_evaluate$_compileContext = t11;
  	      _._async_evaluate$_environment = t12;
  	      _._async_evaluate$_declarationName = _._async_evaluate$__parent = _._async_evaluate$_mediaQuerySources = _._async_evaluate$_mediaQueries = _._async_evaluate$_styleRuleIgnoringAtRoot = null;
  	      _._async_evaluate$_member = "root stylesheet";
  	      _._async_evaluate$_importSpan = _._async_evaluate$_callableNode = null;
  	      _._async_evaluate$_inSupportsDeclaration = _._async_evaluate$_inKeyframes = _._async_evaluate$_atRootExcludingStyleRule = _._async_evaluate$_inUnknownAtRule = _._async_evaluate$_inFunction = false;
  	      _._async_evaluate$_loadedUrls = t13;
  	      _._async_evaluate$_activeModules = t14;
  	      _._async_evaluate$_stack = t15;
  	      _._async_evaluate$_importer = null;
  	      _._async_evaluate$_inDependency = false;
  	      _._async_evaluate$__extensionStore = _._async_evaluate$_preModuleComments = _._async_evaluate$_outOfOrderImports = _._async_evaluate$__endOfImports = _._async_evaluate$__root = _._async_evaluate$__stylesheet = null;
  	      _._async_evaluate$_configuration = t16;
  	    },
  	    _EvaluateVisitor_closure12: function _EvaluateVisitor_closure12(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure13: function _EvaluateVisitor_closure13(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure14: function _EvaluateVisitor_closure14(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure15: function _EvaluateVisitor_closure15(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure16: function _EvaluateVisitor_closure16(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure17: function _EvaluateVisitor_closure17(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure18: function _EvaluateVisitor_closure18(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure19: function _EvaluateVisitor_closure19(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure20: function _EvaluateVisitor_closure20(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure6: function _EvaluateVisitor__closure6(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure21: function _EvaluateVisitor_closure21(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure5: function _EvaluateVisitor__closure5(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure22: function _EvaluateVisitor_closure22(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure23: function _EvaluateVisitor_closure23(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure3: function _EvaluateVisitor__closure3(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.values = t1;
  	      _.span = t2;
  	      _.callableNode = t3;
  	    },
  	    _EvaluateVisitor__closure4: function _EvaluateVisitor__closure4(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure24: function _EvaluateVisitor_closure24(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_run_closure0: function _EvaluateVisitor_run_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.importer = t2;
  	    },
  	    _EvaluateVisitor_run__closure0: function _EvaluateVisitor_run__closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__loadModule_closure1: function _EvaluateVisitor__loadModule_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__loadModule_closure2: function _EvaluateVisitor__loadModule_closure2(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.nodeWithSpan = t2;
  	      _.baseUrl = t3;
  	      _.namesInErrors = t4;
  	      _.configuration = t5;
  	      _.callback = t6;
  	    },
  	    _EvaluateVisitor__loadModule__closure1: function _EvaluateVisitor__loadModule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.message = t1;
  	    },
  	    _EvaluateVisitor__loadModule__closure2: function _EvaluateVisitor__loadModule__closure2(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.callback = t1;
  	      this.firstLoad = t2;
  	    },
  	    _EvaluateVisitor__execute_closure0: function _EvaluateVisitor__execute_closure0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.stylesheet = t2;
  	      _.extensionStore = t3;
  	      _.configuration = t4;
  	      _.css = t5;
  	      _.preModuleComments = t6;
  	    },
  	    _EvaluateVisitor__combineCss_closure1: function _EvaluateVisitor__combineCss_closure1() {
  	    },
  	    _EvaluateVisitor__combineCss_closure2: function _EvaluateVisitor__combineCss_closure2(t0) {
  	      this.selectors = t0;
  	    },
  	    _EvaluateVisitor__combineCss_visitModule0: function _EvaluateVisitor__combineCss_visitModule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.seen = t1;
  	      _.clone = t2;
  	      _.css = t3;
  	      _.imports = t4;
  	      _.sorted = t5;
  	    },
  	    _EvaluateVisitor__extendModules_closure1: function _EvaluateVisitor__extendModules_closure1(t0) {
  	      this.originalSelectors = t0;
  	    },
  	    _EvaluateVisitor__extendModules_closure2: function _EvaluateVisitor__extendModules_closure2() {
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure1: function _EvaluateVisitor_visitAtRootRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure2: function _EvaluateVisitor_visitAtRootRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure5: function _EvaluateVisitor__scopeForAtRoot_closure5(t0, t1, t2) {
  	      this.$this = t0;
  	      this.newParent = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure6: function _EvaluateVisitor__scopeForAtRoot_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure7: function _EvaluateVisitor__scopeForAtRoot_closure7(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot__closure0: function _EvaluateVisitor__scopeForAtRoot__closure0(t0, t1) {
  	      this.innerScope = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure8: function _EvaluateVisitor__scopeForAtRoot_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure9: function _EvaluateVisitor__scopeForAtRoot_closure9() {
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure10: function _EvaluateVisitor__scopeForAtRoot_closure10(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor_visitContentRule_closure0: function _EvaluateVisitor_visitContentRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.content = t1;
  	    },
  	    _EvaluateVisitor_visitDeclaration_closure0: function _EvaluateVisitor_visitDeclaration_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure2: function _EvaluateVisitor_visitEachRule_closure2(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure3: function _EvaluateVisitor_visitEachRule_closure3(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure4: function _EvaluateVisitor_visitEachRule_closure4(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.list = t1;
  	      _.setVariables = t2;
  	      _.node = t3;
  	    },
  	    _EvaluateVisitor_visitEachRule__closure0: function _EvaluateVisitor_visitEachRule__closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.setVariables = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule___closure0: function _EvaluateVisitor_visitEachRule___closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure3: function _EvaluateVisitor_visitAtRule_closure3(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure4: function _EvaluateVisitor_visitAtRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure5: function _EvaluateVisitor_visitAtRule_closure5(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.children = t2;
  	    },
  	    _EvaluateVisitor_visitAtRule__closure0: function _EvaluateVisitor_visitAtRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure6: function _EvaluateVisitor_visitAtRule_closure6() {
  	    },
  	    _EvaluateVisitor_visitForRule_closure4: function _EvaluateVisitor_visitForRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure5: function _EvaluateVisitor_visitForRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure6: function _EvaluateVisitor_visitForRule_closure6(t0) {
  	      this.fromNumber = t0;
  	    },
  	    _EvaluateVisitor_visitForRule_closure7: function _EvaluateVisitor_visitForRule_closure7(t0, t1) {
  	      this.toNumber = t0;
  	      this.fromNumber = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure8: function _EvaluateVisitor_visitForRule_closure8(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.from = t3;
  	      _.direction = t4;
  	      _.fromNumber = t5;
  	    },
  	    _EvaluateVisitor_visitForRule__closure0: function _EvaluateVisitor_visitForRule__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure1: function _EvaluateVisitor_visitForwardRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure2: function _EvaluateVisitor_visitForwardRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__registerCommentsForModule_closure0: function _EvaluateVisitor__registerCommentsForModule_closure0() {
  	    },
  	    _EvaluateVisitor_visitIfRule_closure0: function _EvaluateVisitor_visitIfRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIfRule__closure0: function _EvaluateVisitor_visitIfRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.clause = t1;
  	    },
  	    _EvaluateVisitor_visitIfRule___closure0: function _EvaluateVisitor_visitIfRule___closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport_closure0: function _EvaluateVisitor__visitDynamicImport_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.$import = t1;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure3: function _EvaluateVisitor__visitDynamicImport__closure3(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure4: function _EvaluateVisitor__visitDynamicImport__closure4() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure5: function _EvaluateVisitor__visitDynamicImport__closure5() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure6: function _EvaluateVisitor__visitDynamicImport__closure6(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.loadsUserDefinedModules = t2;
  	      _.environment = t3;
  	      _.children = t4;
  	    },
  	    _EvaluateVisitor__applyMixin_closure1: function _EvaluateVisitor__applyMixin_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure2: function _EvaluateVisitor__applyMixin__closure2(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin_closure2: function _EvaluateVisitor__applyMixin_closure2(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.contentCallable = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure1: function _EvaluateVisitor__applyMixin__closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin___closure0: function _EvaluateVisitor__applyMixin___closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin____closure0: function _EvaluateVisitor__applyMixin____closure0(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure2: function _EvaluateVisitor_visitIncludeRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure3: function _EvaluateVisitor_visitIncludeRule_closure3(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure4: function _EvaluateVisitor_visitIncludeRule_closure4(t0) {
  	      this.node = t0;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure3: function _EvaluateVisitor_visitMediaRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure4: function _EvaluateVisitor_visitMediaRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.queries = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure5: function _EvaluateVisitor_visitMediaRule_closure5(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.queries = t2;
  	      _.mergedSources = t3;
  	      _.node = t4;
  	    },
  	    _EvaluateVisitor_visitMediaRule__closure0: function _EvaluateVisitor_visitMediaRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule___closure0: function _EvaluateVisitor_visitMediaRule___closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure6: function _EvaluateVisitor_visitMediaRule_closure6(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure3: function _EvaluateVisitor_visitStyleRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure4: function _EvaluateVisitor_visitStyleRule_closure4() {
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure6: function _EvaluateVisitor_visitStyleRule_closure6(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitStyleRule__closure0: function _EvaluateVisitor_visitStyleRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure5: function _EvaluateVisitor_visitStyleRule_closure5() {
  	    },
  	    _EvaluateVisitor__warnForBogusCombinators_closure0: function _EvaluateVisitor__warnForBogusCombinators_closure0() {
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure2: function _EvaluateVisitor_visitSupportsRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure3: function _EvaluateVisitor_visitSupportsRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule__closure0: function _EvaluateVisitor_visitSupportsRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure4: function _EvaluateVisitor_visitSupportsRule_closure4() {
  	    },
  	    _EvaluateVisitor__visitSupportsCondition_closure0: function _EvaluateVisitor__visitSupportsCondition_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure2: function _EvaluateVisitor_visitVariableDeclaration_closure2(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure3: function _EvaluateVisitor_visitVariableDeclaration_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure4: function _EvaluateVisitor_visitVariableDeclaration_closure4(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.value = t2;
  	    },
  	    _EvaluateVisitor_visitUseRule_closure0: function _EvaluateVisitor_visitUseRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWarnRule_closure0: function _EvaluateVisitor_visitWarnRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule_closure0: function _EvaluateVisitor_visitWhileRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule__closure0: function _EvaluateVisitor_visitWhileRule__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitBinaryOperationExpression_closure0: function _EvaluateVisitor_visitBinaryOperationExpression_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__slash_recommendation0: function _EvaluateVisitor__slash_recommendation0() {
  	    },
  	    _EvaluateVisitor_visitVariableExpression_closure0: function _EvaluateVisitor_visitVariableExpression_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitUnaryOperationExpression_closure0: function _EvaluateVisitor_visitUnaryOperationExpression_closure0(t0, t1) {
  	      this.node = t0;
  	      this.operand = t1;
  	    },
  	    _EvaluateVisitor_visitIfExpression_closure0: function _EvaluateVisitor_visitIfExpression_closure0() {
  	    },
  	    _EvaluateVisitor_visitIfConditionOperation_closure0: function _EvaluateVisitor_visitIfConditionOperation_closure0() {
  	    },
  	    _EvaluateVisitor_visitListExpression_closure0: function _EvaluateVisitor_visitListExpression_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure2: function _EvaluateVisitor_visitFunctionExpression_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure3: function _EvaluateVisitor_visitFunctionExpression_closure3() {
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure4: function _EvaluateVisitor_visitFunctionExpression_closure4(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__visitCalculation_closure0: function _EvaluateVisitor__visitCalculation_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__checkCalculationArguments_check0: function _EvaluateVisitor__checkCalculationArguments_check0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression_closure0: function _EvaluateVisitor__visitCalculationExpression_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.inLegacySassFunction = t3;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression__closure0: function _EvaluateVisitor__visitCalculationExpression__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitInterpolatedFunctionExpression_closure0: function _EvaluateVisitor_visitInterpolatedFunctionExpression_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.$function = t2;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable_closure0: function _EvaluateVisitor__runUserDefinedCallable_closure0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.callable = t1;
  	      _.evaluated = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable__closure0: function _EvaluateVisitor__runUserDefinedCallable__closure0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable___closure0: function _EvaluateVisitor__runUserDefinedCallable___closure0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable____closure0: function _EvaluateVisitor__runUserDefinedCallable____closure0() {
  	    },
  	    _EvaluateVisitor__runFunctionCallable_closure0: function _EvaluateVisitor__runFunctionCallable_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.callable = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure2: function _EvaluateVisitor__runBuiltInCallable_closure2(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	      this.namedSet = t2;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure3: function _EvaluateVisitor__runBuiltInCallable_closure3(t0, t1) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure4: function _EvaluateVisitor__runBuiltInCallable_closure4() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure3: function _EvaluateVisitor__evaluateArguments_closure3() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure4: function _EvaluateVisitor__evaluateArguments_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure5: function _EvaluateVisitor__evaluateArguments_closure5(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.namedNodes = t3;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure6: function _EvaluateVisitor__evaluateArguments_closure6() {
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure3: function _EvaluateVisitor__evaluateMacroArguments_closure3(t0) {
  	      this.restArgs = t0;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure4: function _EvaluateVisitor__evaluateMacroArguments_closure4(t0, t1, t2) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	      this.restArgs = t2;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure5: function _EvaluateVisitor__evaluateMacroArguments_closure5(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.restArgs = t3;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure6: function _EvaluateVisitor__evaluateMacroArguments_closure6(t0, t1, t2) {
  	      this.$this = t0;
  	      this.keywordRestNodeForSpan = t1;
  	      this.keywordRestArgs = t2;
  	    },
  	    _EvaluateVisitor__addRestMap_closure0: function _EvaluateVisitor__addRestMap_closure0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.values = t1;
  	      _.convert = t2;
  	      _.expressionNode = t3;
  	      _.map = t4;
  	      _.nodeWithSpan = t5;
  	    },
  	    _EvaluateVisitor__verifyArguments_closure0: function _EvaluateVisitor__verifyArguments_closure0(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.positional = t1;
  	      this.named = t2;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure2: function _EvaluateVisitor_visitCssAtRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure3: function _EvaluateVisitor_visitCssAtRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure4: function _EvaluateVisitor_visitCssAtRule_closure4() {
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure1: function _EvaluateVisitor_visitCssKeyframeBlock_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure2: function _EvaluateVisitor_visitCssKeyframeBlock_closure2() {
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure3: function _EvaluateVisitor_visitCssMediaRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure4: function _EvaluateVisitor_visitCssMediaRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure5: function _EvaluateVisitor_visitCssMediaRule_closure5(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.node = t2;
  	      _.mergedSources = t3;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule__closure0: function _EvaluateVisitor_visitCssMediaRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule___closure0: function _EvaluateVisitor_visitCssMediaRule___closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure6: function _EvaluateVisitor_visitCssMediaRule_closure6(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure2: function _EvaluateVisitor_visitCssStyleRule_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule__closure0: function _EvaluateVisitor_visitCssStyleRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure1: function _EvaluateVisitor_visitCssStyleRule_closure1() {
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure2: function _EvaluateVisitor_visitCssSupportsRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure3: function _EvaluateVisitor_visitCssSupportsRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule__closure0: function _EvaluateVisitor_visitCssSupportsRule__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure4: function _EvaluateVisitor_visitCssSupportsRule_closure4() {
  	    },
  	    _EvaluateVisitor__performInterpolationHelper_closure0: function _EvaluateVisitor__performInterpolationHelper_closure0(t0) {
  	      this.interpolation = t0;
  	    },
  	    _EvaluateVisitor__serialize_closure0: function _EvaluateVisitor__serialize_closure0(t0, t1) {
  	      this.value = t0;
  	      this.quote = t1;
  	    },
  	    _EvaluateVisitor__expressionNode_closure0: function _EvaluateVisitor__expressionNode_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor__withoutSlash_recommendation0: function _EvaluateVisitor__withoutSlash_recommendation0() {
  	    },
  	    _EvaluateVisitor__stackFrame_closure0: function _EvaluateVisitor__stackFrame_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _ImportedCssVisitor0: function _ImportedCssVisitor0(t0) {
  	      this._async_evaluate$_visitor = t0;
  	    },
  	    _ImportedCssVisitor_visitCssAtRule_closure0: function _ImportedCssVisitor_visitCssAtRule_closure0() {
  	    },
  	    _ImportedCssVisitor_visitCssMediaRule_closure0: function _ImportedCssVisitor_visitCssMediaRule_closure0(t0) {
  	      this.hasBeenMerged = t0;
  	    },
  	    _ImportedCssVisitor_visitCssStyleRule_closure0: function _ImportedCssVisitor_visitCssStyleRule_closure0() {
  	    },
  	    _ImportedCssVisitor_visitCssSupportsRule_closure0: function _ImportedCssVisitor_visitCssSupportsRule_closure0() {
  	    },
  	    _EvaluationContext0: function _EvaluationContext0(t0, t1) {
  	      this._async_evaluate$_visitor = t0;
  	      this._async_evaluate$_defaultWarnNodeWithSpan = t1;
  	    },
  	    cloneCssStylesheet(stylesheet, extensionStore) {
  	      var _0_0 = extensionStore.clone$0();
  	      return new A._Record_2(new A._CloneCssVisitor(_0_0._1)._visitChildren$2(A.ModifiableCssStylesheet$(stylesheet.get$span(stylesheet)), stylesheet), _0_0._0);
  	    },
  	    _CloneCssVisitor: function _CloneCssVisitor(t0) {
  	      this._oldToNewSelectors = t0;
  	    },
  	    _EvaluateVisitor$(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t1 = type$.Uri,
  	        t2 = type$.Module_Callable,
  	        t3 = A._setArrayType([], type$.JSArray_Record_2_String_and_AstNode);
  	      t1 = new A._EvaluateVisitor(importCache, nodeImporter, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Callable), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Configuration), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode), logger, A.LinkedHashSet_LinkedHashSet$_empty(type$.Record_2_String_and_SourceSpan), quietDeps, sourceMap, new A.Object(), A.Environment$(), A.LinkedHashSet_LinkedHashSet$_empty(t1), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.nullable_AstNode), t3, B.Configuration_Map_empty_null);
  	      t1._EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap(functions, importCache, logger, nodeImporter, quietDeps, sourceMap);
  	      return t1;
  	    },
  	    Evaluator: function Evaluator(t0, t1) {
  	      this._visitor = t0;
  	      this._importer = t1;
  	    },
  	    _EvaluateVisitor: function _EvaluateVisitor(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16) {
  	      var _ = this;
  	      _._evaluate$_importCache = t0;
  	      _._evaluate$_nodeImporter = t1;
  	      _._builtInFunctions = t2;
  	      _._builtInModules = t3;
  	      _._modules = t4;
  	      _._moduleConfigurations = t5;
  	      _._moduleNodes = t6;
  	      _._logger = t7;
  	      _._warningsEmitted = t8;
  	      _._quietDeps = t9;
  	      _._sourceMap = t10;
  	      _._compileContext = t11;
  	      _._environment = t12;
  	      _._declarationName = _.__parent = _._mediaQuerySources = _._mediaQueries = _._styleRuleIgnoringAtRoot = null;
  	      _._member = "root stylesheet";
  	      _._importSpan = _._callableNode = null;
  	      _._inSupportsDeclaration = _._inKeyframes = _._atRootExcludingStyleRule = _._inUnknownAtRule = _._inFunction = false;
  	      _._loadedUrls = t13;
  	      _._activeModules = t14;
  	      _._stack = t15;
  	      _._importer = null;
  	      _._inDependency = false;
  	      _.__extensionStore = _._preModuleComments = _._outOfOrderImports = _.__endOfImports = _.__root = _.__stylesheet = null;
  	      _._configuration = t16;
  	    },
  	    _EvaluateVisitor_closure: function _EvaluateVisitor_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure0: function _EvaluateVisitor_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure1: function _EvaluateVisitor_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure2: function _EvaluateVisitor_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure3: function _EvaluateVisitor_closure3(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure4: function _EvaluateVisitor_closure4(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure5: function _EvaluateVisitor_closure5(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure6: function _EvaluateVisitor_closure6(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure7: function _EvaluateVisitor_closure7(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure2: function _EvaluateVisitor__closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure8: function _EvaluateVisitor_closure8(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure1: function _EvaluateVisitor__closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure9: function _EvaluateVisitor_closure9(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure10: function _EvaluateVisitor_closure10(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure: function _EvaluateVisitor__closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.values = t1;
  	      _.span = t2;
  	      _.callableNode = t3;
  	    },
  	    _EvaluateVisitor__closure0: function _EvaluateVisitor__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure11: function _EvaluateVisitor_closure11(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_run_closure: function _EvaluateVisitor_run_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.importer = t2;
  	    },
  	    _EvaluateVisitor_run__closure: function _EvaluateVisitor_run__closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_runExpression_closure: function _EvaluateVisitor_runExpression_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.expression = t2;
  	    },
  	    _EvaluateVisitor_runExpression__closure: function _EvaluateVisitor_runExpression__closure(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor_runExpression___closure: function _EvaluateVisitor_runExpression___closure(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor_runStatement_closure: function _EvaluateVisitor_runStatement_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.statement = t2;
  	    },
  	    _EvaluateVisitor_runStatement__closure: function _EvaluateVisitor_runStatement__closure(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor_runStatement___closure: function _EvaluateVisitor_runStatement___closure(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor__loadModule_closure: function _EvaluateVisitor__loadModule_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__loadModule_closure0: function _EvaluateVisitor__loadModule_closure0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.nodeWithSpan = t2;
  	      _.baseUrl = t3;
  	      _.namesInErrors = t4;
  	      _.configuration = t5;
  	      _.callback = t6;
  	    },
  	    _EvaluateVisitor__loadModule__closure: function _EvaluateVisitor__loadModule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.message = t1;
  	    },
  	    _EvaluateVisitor__loadModule__closure0: function _EvaluateVisitor__loadModule__closure0(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.callback = t1;
  	      this.firstLoad = t2;
  	    },
  	    _EvaluateVisitor__execute_closure: function _EvaluateVisitor__execute_closure(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.stylesheet = t2;
  	      _.extensionStore = t3;
  	      _.configuration = t4;
  	      _.css = t5;
  	      _.preModuleComments = t6;
  	    },
  	    _EvaluateVisitor__combineCss_closure: function _EvaluateVisitor__combineCss_closure() {
  	    },
  	    _EvaluateVisitor__combineCss_closure0: function _EvaluateVisitor__combineCss_closure0(t0) {
  	      this.selectors = t0;
  	    },
  	    _EvaluateVisitor__combineCss_visitModule: function _EvaluateVisitor__combineCss_visitModule(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.seen = t1;
  	      _.clone = t2;
  	      _.css = t3;
  	      _.imports = t4;
  	      _.sorted = t5;
  	    },
  	    _EvaluateVisitor__extendModules_closure: function _EvaluateVisitor__extendModules_closure(t0) {
  	      this.originalSelectors = t0;
  	    },
  	    _EvaluateVisitor__extendModules_closure0: function _EvaluateVisitor__extendModules_closure0() {
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure: function _EvaluateVisitor_visitAtRootRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure0: function _EvaluateVisitor_visitAtRootRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure: function _EvaluateVisitor__scopeForAtRoot_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.newParent = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure0: function _EvaluateVisitor__scopeForAtRoot_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure1: function _EvaluateVisitor__scopeForAtRoot_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot__closure: function _EvaluateVisitor__scopeForAtRoot__closure(t0, t1) {
  	      this.innerScope = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure2: function _EvaluateVisitor__scopeForAtRoot_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure3: function _EvaluateVisitor__scopeForAtRoot_closure3() {
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure4: function _EvaluateVisitor__scopeForAtRoot_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor_visitContentRule_closure: function _EvaluateVisitor_visitContentRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.content = t1;
  	    },
  	    _EvaluateVisitor_visitDeclaration_closure: function _EvaluateVisitor_visitDeclaration_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure: function _EvaluateVisitor_visitEachRule_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure0: function _EvaluateVisitor_visitEachRule_closure0(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure1: function _EvaluateVisitor_visitEachRule_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.list = t1;
  	      _.setVariables = t2;
  	      _.node = t3;
  	    },
  	    _EvaluateVisitor_visitEachRule__closure: function _EvaluateVisitor_visitEachRule__closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.setVariables = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule___closure: function _EvaluateVisitor_visitEachRule___closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure: function _EvaluateVisitor_visitAtRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure0: function _EvaluateVisitor_visitAtRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure1: function _EvaluateVisitor_visitAtRule_closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.children = t2;
  	    },
  	    _EvaluateVisitor_visitAtRule__closure: function _EvaluateVisitor_visitAtRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure2: function _EvaluateVisitor_visitAtRule_closure2() {
  	    },
  	    _EvaluateVisitor_visitForRule_closure: function _EvaluateVisitor_visitForRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure0: function _EvaluateVisitor_visitForRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure1: function _EvaluateVisitor_visitForRule_closure1(t0) {
  	      this.fromNumber = t0;
  	    },
  	    _EvaluateVisitor_visitForRule_closure2: function _EvaluateVisitor_visitForRule_closure2(t0, t1) {
  	      this.toNumber = t0;
  	      this.fromNumber = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure3: function _EvaluateVisitor_visitForRule_closure3(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.from = t3;
  	      _.direction = t4;
  	      _.fromNumber = t5;
  	    },
  	    _EvaluateVisitor_visitForRule__closure: function _EvaluateVisitor_visitForRule__closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure: function _EvaluateVisitor_visitForwardRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure0: function _EvaluateVisitor_visitForwardRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__registerCommentsForModule_closure: function _EvaluateVisitor__registerCommentsForModule_closure() {
  	    },
  	    _EvaluateVisitor_visitIfRule_closure: function _EvaluateVisitor_visitIfRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIfRule__closure: function _EvaluateVisitor_visitIfRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.clause = t1;
  	    },
  	    _EvaluateVisitor_visitIfRule___closure: function _EvaluateVisitor_visitIfRule___closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport_closure: function _EvaluateVisitor__visitDynamicImport_closure(t0, t1) {
  	      this.$this = t0;
  	      this.$import = t1;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure: function _EvaluateVisitor__visitDynamicImport__closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure0: function _EvaluateVisitor__visitDynamicImport__closure0() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure1: function _EvaluateVisitor__visitDynamicImport__closure1() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure2: function _EvaluateVisitor__visitDynamicImport__closure2(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.loadsUserDefinedModules = t2;
  	      _.environment = t3;
  	      _.children = t4;
  	    },
  	    _EvaluateVisitor__applyMixin_closure: function _EvaluateVisitor__applyMixin_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure0: function _EvaluateVisitor__applyMixin__closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin_closure0: function _EvaluateVisitor__applyMixin_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.contentCallable = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure: function _EvaluateVisitor__applyMixin__closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin___closure: function _EvaluateVisitor__applyMixin___closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin____closure: function _EvaluateVisitor__applyMixin____closure(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure: function _EvaluateVisitor_visitIncludeRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure0: function _EvaluateVisitor_visitIncludeRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure1: function _EvaluateVisitor_visitIncludeRule_closure1(t0) {
  	      this.node = t0;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure: function _EvaluateVisitor_visitMediaRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure0: function _EvaluateVisitor_visitMediaRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.queries = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure1: function _EvaluateVisitor_visitMediaRule_closure1(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.queries = t2;
  	      _.mergedSources = t3;
  	      _.node = t4;
  	    },
  	    _EvaluateVisitor_visitMediaRule__closure: function _EvaluateVisitor_visitMediaRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule___closure: function _EvaluateVisitor_visitMediaRule___closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure2: function _EvaluateVisitor_visitMediaRule_closure2(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure: function _EvaluateVisitor_visitStyleRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure0: function _EvaluateVisitor_visitStyleRule_closure0() {
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure2: function _EvaluateVisitor_visitStyleRule_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitStyleRule__closure: function _EvaluateVisitor_visitStyleRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure1: function _EvaluateVisitor_visitStyleRule_closure1() {
  	    },
  	    _EvaluateVisitor__warnForBogusCombinators_closure: function _EvaluateVisitor__warnForBogusCombinators_closure() {
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure: function _EvaluateVisitor_visitSupportsRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure0: function _EvaluateVisitor_visitSupportsRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule__closure: function _EvaluateVisitor_visitSupportsRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure1: function _EvaluateVisitor_visitSupportsRule_closure1() {
  	    },
  	    _EvaluateVisitor__visitSupportsCondition_closure: function _EvaluateVisitor__visitSupportsCondition_closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure: function _EvaluateVisitor_visitVariableDeclaration_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure0: function _EvaluateVisitor_visitVariableDeclaration_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure1: function _EvaluateVisitor_visitVariableDeclaration_closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.value = t2;
  	    },
  	    _EvaluateVisitor_visitUseRule_closure: function _EvaluateVisitor_visitUseRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWarnRule_closure: function _EvaluateVisitor_visitWarnRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule_closure: function _EvaluateVisitor_visitWhileRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule__closure: function _EvaluateVisitor_visitWhileRule__closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitBinaryOperationExpression_closure: function _EvaluateVisitor_visitBinaryOperationExpression_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__slash_recommendation: function _EvaluateVisitor__slash_recommendation() {
  	    },
  	    _EvaluateVisitor_visitVariableExpression_closure: function _EvaluateVisitor_visitVariableExpression_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitUnaryOperationExpression_closure: function _EvaluateVisitor_visitUnaryOperationExpression_closure(t0, t1) {
  	      this.node = t0;
  	      this.operand = t1;
  	    },
  	    _EvaluateVisitor_visitIfExpression_closure: function _EvaluateVisitor_visitIfExpression_closure() {
  	    },
  	    _EvaluateVisitor_visitIfConditionOperation_closure: function _EvaluateVisitor_visitIfConditionOperation_closure() {
  	    },
  	    _EvaluateVisitor_visitListExpression_closure: function _EvaluateVisitor_visitListExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure: function _EvaluateVisitor_visitFunctionExpression_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure0: function _EvaluateVisitor_visitFunctionExpression_closure0() {
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure1: function _EvaluateVisitor_visitFunctionExpression_closure1(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__visitCalculation_closure: function _EvaluateVisitor__visitCalculation_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__checkCalculationArguments_check: function _EvaluateVisitor__checkCalculationArguments_check(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression_closure: function _EvaluateVisitor__visitCalculationExpression_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.inLegacySassFunction = t3;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression__closure: function _EvaluateVisitor__visitCalculationExpression__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitInterpolatedFunctionExpression_closure: function _EvaluateVisitor_visitInterpolatedFunctionExpression_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.$function = t2;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable_closure: function _EvaluateVisitor__runUserDefinedCallable_closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.callable = t1;
  	      _.evaluated = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable__closure: function _EvaluateVisitor__runUserDefinedCallable__closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable___closure: function _EvaluateVisitor__runUserDefinedCallable___closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable____closure: function _EvaluateVisitor__runUserDefinedCallable____closure() {
  	    },
  	    _EvaluateVisitor__runFunctionCallable_closure: function _EvaluateVisitor__runFunctionCallable_closure(t0, t1) {
  	      this.$this = t0;
  	      this.callable = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure: function _EvaluateVisitor__runBuiltInCallable_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	      this.namedSet = t2;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure0: function _EvaluateVisitor__runBuiltInCallable_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure1: function _EvaluateVisitor__runBuiltInCallable_closure1() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure: function _EvaluateVisitor__evaluateArguments_closure() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure0: function _EvaluateVisitor__evaluateArguments_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure1: function _EvaluateVisitor__evaluateArguments_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.namedNodes = t3;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure2: function _EvaluateVisitor__evaluateArguments_closure2() {
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure: function _EvaluateVisitor__evaluateMacroArguments_closure(t0) {
  	      this.restArgs = t0;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure0: function _EvaluateVisitor__evaluateMacroArguments_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	      this.restArgs = t2;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure1: function _EvaluateVisitor__evaluateMacroArguments_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.restArgs = t3;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure2: function _EvaluateVisitor__evaluateMacroArguments_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.keywordRestNodeForSpan = t1;
  	      this.keywordRestArgs = t2;
  	    },
  	    _EvaluateVisitor__addRestMap_closure: function _EvaluateVisitor__addRestMap_closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.values = t1;
  	      _.convert = t2;
  	      _.expressionNode = t3;
  	      _.map = t4;
  	      _.nodeWithSpan = t5;
  	    },
  	    _EvaluateVisitor__verifyArguments_closure: function _EvaluateVisitor__verifyArguments_closure(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.positional = t1;
  	      this.named = t2;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure: function _EvaluateVisitor_visitCssAtRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure0: function _EvaluateVisitor_visitCssAtRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure1: function _EvaluateVisitor_visitCssAtRule_closure1() {
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure: function _EvaluateVisitor_visitCssKeyframeBlock_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure0: function _EvaluateVisitor_visitCssKeyframeBlock_closure0() {
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure: function _EvaluateVisitor_visitCssMediaRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure0: function _EvaluateVisitor_visitCssMediaRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure1: function _EvaluateVisitor_visitCssMediaRule_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.node = t2;
  	      _.mergedSources = t3;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule__closure: function _EvaluateVisitor_visitCssMediaRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule___closure: function _EvaluateVisitor_visitCssMediaRule___closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure2: function _EvaluateVisitor_visitCssMediaRule_closure2(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure0: function _EvaluateVisitor_visitCssStyleRule_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule__closure: function _EvaluateVisitor_visitCssStyleRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure: function _EvaluateVisitor_visitCssStyleRule_closure() {
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure: function _EvaluateVisitor_visitCssSupportsRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure0: function _EvaluateVisitor_visitCssSupportsRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule__closure: function _EvaluateVisitor_visitCssSupportsRule__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure1: function _EvaluateVisitor_visitCssSupportsRule_closure1() {
  	    },
  	    _EvaluateVisitor__performInterpolationHelper_closure: function _EvaluateVisitor__performInterpolationHelper_closure(t0) {
  	      this.interpolation = t0;
  	    },
  	    _EvaluateVisitor__serialize_closure: function _EvaluateVisitor__serialize_closure(t0, t1) {
  	      this.value = t0;
  	      this.quote = t1;
  	    },
  	    _EvaluateVisitor__expressionNode_closure: function _EvaluateVisitor__expressionNode_closure(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor__withoutSlash_recommendation: function _EvaluateVisitor__withoutSlash_recommendation() {
  	    },
  	    _EvaluateVisitor__stackFrame_closure: function _EvaluateVisitor__stackFrame_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _ImportedCssVisitor: function _ImportedCssVisitor(t0) {
  	      this._visitor = t0;
  	    },
  	    _ImportedCssVisitor_visitCssAtRule_closure: function _ImportedCssVisitor_visitCssAtRule_closure() {
  	    },
  	    _ImportedCssVisitor_visitCssMediaRule_closure: function _ImportedCssVisitor_visitCssMediaRule_closure(t0) {
  	      this.hasBeenMerged = t0;
  	    },
  	    _ImportedCssVisitor_visitCssStyleRule_closure: function _ImportedCssVisitor_visitCssStyleRule_closure() {
  	    },
  	    _ImportedCssVisitor_visitCssSupportsRule_closure: function _ImportedCssVisitor_visitCssSupportsRule_closure() {
  	    },
  	    _EvaluationContext: function _EvaluationContext(t0, t1) {
  	      this._visitor = t0;
  	      this._defaultWarnNodeWithSpan = t1;
  	    },
  	    EveryCssVisitor: function EveryCssVisitor() {
  	    },
  	    EveryCssVisitor_visitCssAtRule_closure: function EveryCssVisitor_visitCssAtRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssKeyframeBlock_closure: function EveryCssVisitor_visitCssKeyframeBlock_closure(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssMediaRule_closure: function EveryCssVisitor_visitCssMediaRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssStyleRule_closure: function EveryCssVisitor_visitCssStyleRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssStylesheet_closure: function EveryCssVisitor_visitCssStylesheet_closure(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssSupportsRule_closure: function EveryCssVisitor_visitCssSupportsRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    expressionToCalc(expression) {
  	      var t1 = A.ArgumentList$(A._setArrayType([B.C__MakeExpressionCalculationSafe.visitBinaryOperationExpression$1(0, expression)], type$.JSArray_Expression), B.Map_empty4, B.Map_empty5, expression.get$span(0), null, null),
  	        t2 = expression.get$span(0);
  	      return new A.FunctionExpression(null, A.stringReplaceAllUnchecked("calc", "_", "-"), "calc", t1, t2);
  	    },
  	    _MakeExpressionCalculationSafe: function _MakeExpressionCalculationSafe() {
  	    },
  	    __MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor: function __MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor() {
  	    },
  	    _FindDependenciesVisitor: function _FindDependenciesVisitor(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._find_dependencies$_uses = t0;
  	      _._find_dependencies$_forwards = t1;
  	      _._metaLoadCss = t2;
  	      _._imports = t3;
  	      _._metaNamespaces = t4;
  	    },
  	    __FindDependenciesVisitor_Object_RecursiveStatementVisitor: function __FindDependenciesVisitor_Object_RecursiveStatementVisitor() {
  	    },
  	    IsCalculationSafeVisitor: function IsCalculationSafeVisitor() {
  	    },
  	    IsCalculationSafeVisitor_visitListExpression_closure: function IsCalculationSafeVisitor_visitListExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor: function IsPlainCssVisitor(t0) {
  	      this._allowInterpolation = t0;
  	    },
  	    IsPlainCssVisitor_visitIfExpression_closure: function IsPlainCssVisitor_visitIfExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor_visitListExpression_closure: function IsPlainCssVisitor_visitListExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor_visitIfConditionOperation_closure: function IsPlainCssVisitor_visitIfConditionOperation_closure(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor__visitArgumentList_closure: function IsPlainCssVisitor__visitArgumentList_closure(t0) {
  	      this.$this = t0;
  	    },
  	    RecursiveStatementVisitor: function RecursiveStatementVisitor() {
  	    },
  	    ReplaceExpressionVisitor: function ReplaceExpressionVisitor() {
  	    },
  	    ReplaceExpressionVisitor_visitListExpression_closure: function ReplaceExpressionVisitor_visitListExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitIfConditionOperation_closure: function ReplaceExpressionVisitor_visitIfConditionOperation_closure(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitArgumentList_closure: function ReplaceExpressionVisitor_visitArgumentList_closure(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitInterpolation_closure: function ReplaceExpressionVisitor_visitInterpolation_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorSearchVisitor: function SelectorSearchVisitor() {
  	    },
  	    SelectorSearchVisitor_visitComplexSelector_closure: function SelectorSearchVisitor_visitComplexSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorSearchVisitor_visitCompoundSelector_closure: function SelectorSearchVisitor_visitCompoundSelector_closure(t0) {
  	      this.$this = t0;
  	    },
  	    serialize(node, charset, indentWidth, inspect, lineFeed, logger, sourceMap, style, useSpaces) {
  	      var t1, css, t2, prefix,
  	        visitor = A._SerializeVisitor$(2, inspect, lineFeed, logger, true, sourceMap, style, true);
  	      node.accept$1(visitor);
  	      t1 = visitor._serialize$_buffer;
  	      css = t1.toString$0(0);
  	      if (charset) {
  	        t2 = new A.CodeUnits(css);
  	        t2 = t2.any$1(t2, new A.serialize_closure());
  	      } else
  	        t2 = false;
  	      if (t2)
  	        prefix = style === B.OutputStyle_1 ? "\ufeff" : '@charset "UTF-8";\n';
  	      else
  	        prefix = "";
  	      t1 = sourceMap ? t1.buildSourceMap$1$prefix(prefix) : null;
  	      return new A._Record_2_sourceMap(prefix + css, t1);
  	    },
  	    serializeValue(value, inspect, quote) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$(_null, inspect, _null, _null, quote, false, _null, true);
  	      value.accept$1(visitor);
  	      return visitor._serialize$_buffer.toString$0(0);
  	    },
  	    serializeSelector(selector, inspect) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	      selector.accept$1(visitor);
  	      return visitor._serialize$_buffer.toString$0(0);
  	    },
  	    _SerializeVisitor$(indentWidth, inspect, lineFeed, logger, quote, sourceMap, style, useSpaces) {
  	      var t1 = sourceMap ? new A.SourceMapBuffer(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Entry)) : new A.NoSourceMapBuffer(new A.StringBuffer("")),
  	        t2 = style == null ? B.OutputStyle_0 : style,
  	        t3 = indentWidth == null ? 2 : indentWidth;
  	      A.RangeError_checkValueInInterval(t3, 0, 10, "indentWidth");
  	      return new A._SerializeVisitor(t1, t2, inspect, quote, 32, t3, B.LineFeed_2_lf);
  	    },
  	    serialize_closure: function serialize_closure() {
  	    },
  	    _SerializeVisitor: function _SerializeVisitor(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._serialize$_buffer = t0;
  	      _._indentation = 0;
  	      _._style = t1;
  	      _._inspect = t2;
  	      _._quote = t3;
  	      _._indentCharacter = t4;
  	      _._indentWidth = t5;
  	      _._serialize$_lineFeed = t6;
  	    },
  	    _SerializeVisitor_visitCssComment_closure: function _SerializeVisitor_visitCssComment_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssAtRule_closure: function _SerializeVisitor_visitCssAtRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssMediaRule_closure: function _SerializeVisitor_visitCssMediaRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssImport_closure: function _SerializeVisitor_visitCssImport_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssImport__closure: function _SerializeVisitor_visitCssImport__closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssKeyframeBlock_closure: function _SerializeVisitor_visitCssKeyframeBlock_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssStyleRule_closure: function _SerializeVisitor_visitCssStyleRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssSupportsRule_closure: function _SerializeVisitor_visitCssSupportsRule_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssDeclaration_closure: function _SerializeVisitor_visitCssDeclaration_closure(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssDeclaration_closure0: function _SerializeVisitor_visitCssDeclaration_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitList_closure: function _SerializeVisitor_visitList_closure() {
  	    },
  	    _SerializeVisitor_visitList_closure0: function _SerializeVisitor_visitList_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.value = t1;
  	    },
  	    _SerializeVisitor_visitList_closure1: function _SerializeVisitor_visitList_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _SerializeVisitor_visitMap_closure: function _SerializeVisitor_visitMap_closure(t0) {
  	      this.$this = t0;
  	    },
  	    _SerializeVisitor_visitSelectorList_closure: function _SerializeVisitor_visitSelectorList_closure() {
  	    },
  	    _SerializeVisitor__write_closure: function _SerializeVisitor__write_closure(t0, t1) {
  	      this.$this = t0;
  	      this.value = t1;
  	    },
  	    _SerializeVisitor__visitChildren_closure: function _SerializeVisitor__visitChildren_closure(t0, t1) {
  	      this.$this = t0;
  	      this.child = t1;
  	    },
  	    _SerializeVisitor__visitChildren_closure0: function _SerializeVisitor__visitChildren_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.child = t1;
  	    },
  	    OutputStyle: function OutputStyle(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    LineFeed: function LineFeed(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    StatementSearchVisitor: function StatementSearchVisitor() {
  	    },
  	    StatementSearchVisitor_visitIfRule_closure: function StatementSearchVisitor_visitIfRule_closure(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule__closure0: function StatementSearchVisitor_visitIfRule__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule_closure0: function StatementSearchVisitor_visitIfRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule__closure: function StatementSearchVisitor_visitIfRule__closure(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitChildren_closure: function StatementSearchVisitor_visitChildren_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Entry: function Entry(t0, t1, t2) {
  	      this.source = t0;
  	      this.target = t1;
  	      this.identifierName = t2;
  	    },
  	    SingleMapping_SingleMapping$fromEntries(entries) {
  	      var lines, t1, t2, urls, names, files, targetEntries, t3, lineNum, _i, sourceEntry, t4, t5, sourceUrl, t6, urlId,
  	        sourceEntries = J.toList$0$ax(entries);
  	      B.JSArray_methods.sort$0(sourceEntries);
  	      lines = A._setArrayType([], type$.JSArray_TargetLineEntry);
  	      t1 = type$.String;
  	      t2 = type$.int;
  	      urls = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      names = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      files = A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.SourceFile);
  	      targetEntries = A._Cell$();
  	      for (t2 = sourceEntries.length, t3 = type$.JSArray_TargetEntry, lineNum = null, _i = 0; _i < sourceEntries.length; sourceEntries.length === t2 || (0, A.throwConcurrentModificationError)(sourceEntries), ++_i) {
  	        sourceEntry = sourceEntries[_i];
  	        if (lineNum == null || sourceEntry.target.line > lineNum) {
  	          lineNum = sourceEntry.target.line;
  	          t4 = A._setArrayType([], t3);
  	          targetEntries.__late_helper$_value = t4;
  	          lines.push(new A.TargetLineEntry(lineNum, t4));
  	        }
  	        t4 = sourceEntry.source;
  	        t5 = t4.file;
  	        sourceUrl = t5.url;
  	        t6 = sourceUrl == null ? "" : sourceUrl.toString$0(0);
  	        urlId = urls.putIfAbsent$2(t6, new A.SingleMapping_SingleMapping$fromEntries_closure(urls));
  	        files.putIfAbsent$2(urlId, new A.SingleMapping_SingleMapping$fromEntries_closure0(sourceEntry));
  	        t6 = targetEntries.__late_helper$_value;
  	        if (t6 === targetEntries)
  	          A.throwExpression(A.LateError$localNI(""));
  	        t4 = t4.offset;
  	        J.add$1$ax(t6, new A.TargetEntry(sourceEntry.target.column, urlId, t5.getLine$1(t4), t5.getColumn$1(t4), null));
  	      }
  	      t2 = urls.$ti;
  	      t3 = t2._eval$1("LinkedHashMapValuesIterable<2>");
  	      t3 = A.MappedIterable_MappedIterable(new A.LinkedHashMapValuesIterable(urls, t3), new A.SingleMapping_SingleMapping$fromEntries_closure1(files), t3._eval$1("Iterable.E"), type$.nullable_SourceFile);
  	      t3 = A.List_List$_of(t3, A._instanceType(t3)._eval$1("Iterable.E"));
  	      t2 = t2._eval$1("LinkedHashMapKeysIterable<1>");
  	      t2 = A.List_List$_of(new A.LinkedHashMapKeysIterable(urls, t2), t2._eval$1("Iterable.E"));
  	      t4 = names.$ti._eval$1("LinkedHashMapKeysIterable<1>");
  	      t4 = A.List_List$_of(new A.LinkedHashMapKeysIterable(names, t4), t4._eval$1("Iterable.E"));
  	      return new A.SingleMapping(t2, t4, t3, lines, null, A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.dynamic));
  	    },
  	    Mapping: function Mapping() {
  	    },
  	    SingleMapping: function SingleMapping(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.urls = t0;
  	      _.names = t1;
  	      _.files = t2;
  	      _.lines = t3;
  	      _.targetUrl = t4;
  	      _.sourceRoot = null;
  	      _.extensions = t5;
  	    },
  	    SingleMapping_SingleMapping$fromEntries_closure: function SingleMapping_SingleMapping$fromEntries_closure(t0) {
  	      this.urls = t0;
  	    },
  	    SingleMapping_SingleMapping$fromEntries_closure0: function SingleMapping_SingleMapping$fromEntries_closure0(t0) {
  	      this.sourceEntry = t0;
  	    },
  	    SingleMapping_SingleMapping$fromEntries_closure1: function SingleMapping_SingleMapping$fromEntries_closure1(t0) {
  	      this.files = t0;
  	    },
  	    SingleMapping_toJson_closure: function SingleMapping_toJson_closure() {
  	    },
  	    SingleMapping_toJson_closure0: function SingleMapping_toJson_closure0(t0) {
  	      this.result = t0;
  	    },
  	    TargetLineEntry: function TargetLineEntry(t0, t1) {
  	      this.line = t0;
  	      this.entries = t1;
  	    },
  	    TargetEntry: function TargetEntry(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.column = t0;
  	      _.sourceUrlId = t1;
  	      _.sourceLine = t2;
  	      _.sourceColumn = t3;
  	      _.sourceNameId = t4;
  	    },
  	    SourceFile$fromString(text, url) {
  	      var t1 = new A.CodeUnits(text),
  	        t2 = A._setArrayType([0], type$.JSArray_int),
  	        t3 = typeof url == "string" ? A.Uri_parse(url) : type$.nullable_Uri._as(url),
  	        t4 = t1.get$length(0);
  	      t2 = new A.SourceFile(t3, t2, new Uint32Array(t4));
  	      t2.SourceFile$_fromList$2$url(t1, url);
  	      return t2;
  	    },
  	    SourceFile$decoded(decodedChars, url) {
  	      var t1 = A._setArrayType(decodedChars.slice(0), A._arrayInstanceType(decodedChars)),
  	        t2 = A._setArrayType([0], type$.JSArray_int),
  	        t3 = typeof url == "string" ? A.Uri_parse(url) : type$.nullable_Uri._as(url),
  	        t4 = t1.length;
  	      t2 = new A.SourceFile(t3, t2, new Uint32Array(t4));
  	      t2.SourceFile$_fromList$2$url(t1, url);
  	      return t2;
  	    },
  	    FileLocation$_(file, offset) {
  	      if (offset < 0)
  	        A.throwExpression(A.RangeError$("Offset may not be negative, was " + offset + "."));
  	      else if (offset > file._decodedChars.length)
  	        A.throwExpression(A.RangeError$("Offset " + offset + string$.x20must_n + file.get$length(0) + "."));
  	      return new A.FileLocation(file, offset);
  	    },
  	    _FileSpan$(file, _start, _end) {
  	      if (_end < _start)
  	        A.throwExpression(A.ArgumentError$("End " + _end + " must come after start " + _start + ".", null));
  	      else if (_end > file._decodedChars.length)
  	        A.throwExpression(A.RangeError$("End " + _end + string$.x20must_n + file.get$length(0) + "."));
  	      else if (_start < 0)
  	        A.throwExpression(A.RangeError$("Start may not be negative, was " + _start + "."));
  	      return new A._FileSpan(file, _start, _end);
  	    },
  	    FileSpanExtension_subspan(_this, start, end) {
  	      var t1, startOffset, t2;
  	      A.RangeError_checkValidRange(start, end, _this.get$length(_this));
  	      if (start === 0)
  	        t1 = end == null || end === _this.get$length(_this);
  	      else
  	        t1 = false;
  	      if (t1)
  	        return _this;
  	      startOffset = _this.get$start(_this).offset;
  	      t1 = _this.get$file(_this);
  	      t2 = end == null ? _this.get$end(_this).offset : startOffset + end;
  	      return t1.span$2(0, startOffset + start, t2);
  	    },
  	    SourceFile: function SourceFile(t0, t1, t2) {
  	      var _ = this;
  	      _.url = t0;
  	      _._lineStarts = t1;
  	      _._decodedChars = t2;
  	      _._cachedLine = null;
  	    },
  	    FileLocation: function FileLocation(t0, t1) {
  	      this.file = t0;
  	      this.offset = t1;
  	    },
  	    _FileSpan: function _FileSpan(t0, t1, t2) {
  	      this.file = t0;
  	      this._file$_start = t1;
  	      this._end = t2;
  	    },
  	    Highlighter$(span, color) {
  	      var t1 = A.Highlighter__collateLines(A._setArrayType([A._Highlight$(span, null, true)], type$.JSArray__Highlight)),
  	        t2 = new A.Highlighter_closure(color).call$0(),
  	        t3 = B.JSInt_methods.toString$0(B.JSArray_methods.get$last(t1).number + 1),
  	        t4 = A.Highlighter__contiguous(t1) ? 0 : 3,
  	        t5 = A._arrayInstanceType(t1);
  	      return new A.Highlighter(t1, t2, null, 1 + Math.max(t3.length, t4), new A.MappedListIterable(t1, new A.Highlighter$__closure(), t5._eval$1("MappedListIterable<1,int>")).reduce$1(0, B.CONSTANT), !A.isAllTheSame(new A.MappedListIterable(t1, new A.Highlighter$__closure0(), t5._eval$1("MappedListIterable<1,Object?>"))), new A.StringBuffer(""));
  	    },
  	    Highlighter$multiple(primarySpan, primaryLabel, secondarySpans, color, primaryColor, secondaryColor) {
  	      var t2, t3, t4, t5, t6,
  	        t1 = A._setArrayType([A._Highlight$(primarySpan, primaryLabel, true)], type$.JSArray__Highlight);
  	      for (t2 = secondarySpans.get$entries(secondarySpans), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push(A._Highlight$(t3.key, t3.value, false));
  	      }
  	      t1 = A.Highlighter__collateLines(t1);
  	      if (color)
  	        t2 = primaryColor == null ? "\x1b[31m" : primaryColor;
  	      else
  	        t2 = null;
  	      if (color)
  	        t3 = "\x1b[34m";
  	      else
  	        t3 = null;
  	      t4 = B.JSInt_methods.toString$0(B.JSArray_methods.get$last(t1).number + 1);
  	      t5 = A.Highlighter__contiguous(t1) ? 0 : 3;
  	      t6 = A._arrayInstanceType(t1);
  	      return new A.Highlighter(t1, t2, t3, 1 + Math.max(t4.length, t5), new A.MappedListIterable(t1, new A.Highlighter$__closure(), t6._eval$1("MappedListIterable<1,int>")).reduce$1(0, B.CONSTANT), !A.isAllTheSame(new A.MappedListIterable(t1, new A.Highlighter$__closure0(), t6._eval$1("MappedListIterable<1,Object?>"))), new A.StringBuffer(""));
  	    },
  	    Highlighter__contiguous(lines) {
  	      var i, thisLine, nextLine;
  	      for (i = 0; i < lines.length - 1;) {
  	        thisLine = lines[i];
  	        ++i;
  	        nextLine = lines[i];
  	        if (thisLine.number + 1 !== nextLine.number && J.$eq$(thisLine.url, nextLine.url))
  	          return false;
  	      }
  	      return true;
  	    },
  	    Highlighter__collateLines(highlights) {
  	      var t1, t2,
  	        highlightsByUrl = A.groupBy(highlights, new A.Highlighter__collateLines_closure(), type$._Highlight, type$.Object);
  	      for (t1 = new A.LinkedHashMapValueIterator(highlightsByUrl, highlightsByUrl._modifications, highlightsByUrl._first); t1.moveNext$0();)
  	        J.sort$1$ax(t1.__js_helper$_current, new A.Highlighter__collateLines_closure0());
  	      t1 = A._instanceType(highlightsByUrl)._eval$1("LinkedHashMapEntriesIterable<1,2>");
  	      t2 = t1._eval$1("ExpandIterable<Iterable.E,_Line>");
  	      t1 = A.List_List$_of(new A.ExpandIterable(new A.LinkedHashMapEntriesIterable(highlightsByUrl, t1), new A.Highlighter__collateLines_closure1(), t2), t2._eval$1("Iterable.E"));
  	      return t1;
  	    },
  	    _Highlight$(span, label, primary) {
  	      var t2,
  	        t1 = new A._Highlight_closure(span).call$0();
  	      if (label == null)
  	        t2 = null;
  	      else
  	        t2 = A.stringReplaceAllUnchecked(label, "\r\n", "\n");
  	      return new A._Highlight(t1, primary, t2);
  	    },
  	    _Highlight__normalizeNewlines(span) {
  	      var endOffset, t1, i, t2, t3, t4,
  	        text = span.get$text();
  	      if (!B.JSString_methods.contains$1(text, "\r\n"))
  	        return span;
  	      endOffset = span.get$end(span).get$offset();
  	      for (t1 = text.length - 1, i = 0; i < t1; ++i)
  	        if (text.charCodeAt(i) === 13 && text.charCodeAt(i + 1) === 10)
  	          --endOffset;
  	      t1 = span.get$start(span);
  	      t2 = span.get$sourceUrl(span);
  	      t3 = span.get$end(span).get$line();
  	      t2 = A.SourceLocation$(endOffset, span.get$end(span).get$column(), t3, t2);
  	      t3 = A.stringReplaceAllUnchecked(text, "\r\n", "\n");
  	      t4 = span.get$context(span);
  	      return A.SourceSpanWithContext$(t1, t2, t3, A.stringReplaceAllUnchecked(t4, "\r\n", "\n"));
  	    },
  	    _Highlight__normalizeTrailingNewline(span) {
  	      var context, text, start, end, t1, t2, t3;
  	      if (!B.JSString_methods.endsWith$1(span.get$context(span), "\n"))
  	        return span;
  	      if (B.JSString_methods.endsWith$1(span.get$text(), "\n\n"))
  	        return span;
  	      context = B.JSString_methods.substring$2(span.get$context(span), 0, span.get$context(span).length - 1);
  	      text = span.get$text();
  	      start = span.get$start(span);
  	      end = span.get$end(span);
  	      if (B.JSString_methods.endsWith$1(span.get$text(), "\n")) {
  	        t1 = A.findLineStart(span.get$context(span), span.get$text(), span.get$start(span).get$column());
  	        t1.toString;
  	        t1 = t1 + span.get$start(span).get$column() + span.get$length(span) === span.get$context(span).length;
  	      } else
  	        t1 = false;
  	      if (t1) {
  	        text = B.JSString_methods.substring$2(span.get$text(), 0, span.get$text().length - 1);
  	        if (text.length === 0)
  	          end = start;
  	        else {
  	          t1 = span.get$end(span).get$offset();
  	          t2 = span.get$sourceUrl(span);
  	          t3 = span.get$end(span).get$line();
  	          end = A.SourceLocation$(t1 - 1, A._Highlight__lastLineLength(context), t3 - 1, t2);
  	          start = span.get$start(span).get$offset() === span.get$end(span).get$offset() ? end : span.get$start(span);
  	        }
  	      }
  	      return A.SourceSpanWithContext$(start, end, text, context);
  	    },
  	    _Highlight__normalizeEndOfLine(span) {
  	      var text, t1, t2, t3, t4;
  	      if (span.get$end(span).get$column() !== 0)
  	        return span;
  	      if (span.get$end(span).get$line() === span.get$start(span).get$line())
  	        return span;
  	      text = B.JSString_methods.substring$2(span.get$text(), 0, span.get$text().length - 1);
  	      t1 = span.get$start(span);
  	      t2 = span.get$end(span).get$offset();
  	      t3 = span.get$sourceUrl(span);
  	      t4 = span.get$end(span).get$line();
  	      t3 = A.SourceLocation$(t2 - 1, text.length - B.JSString_methods.lastIndexOf$1(text, "\n") - 1, t4 - 1, t3);
  	      return A.SourceSpanWithContext$(t1, t3, text, B.JSString_methods.endsWith$1(span.get$context(span), "\n") ? B.JSString_methods.substring$2(span.get$context(span), 0, span.get$context(span).length - 1) : span.get$context(span));
  	    },
  	    _Highlight__lastLineLength(text) {
  	      var t1 = text.length;
  	      if (t1 === 0)
  	        return 0;
  	      else if (text.charCodeAt(t1 - 1) === 10)
  	        return t1 === 1 ? 0 : t1 - B.JSString_methods.lastIndexOf$2(text, "\n", t1 - 2) - 1;
  	      else
  	        return t1 - B.JSString_methods.lastIndexOf$1(text, "\n") - 1;
  	    },
  	    Highlighter: function Highlighter(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._lines = t0;
  	      _._primaryColor = t1;
  	      _._secondaryColor = t2;
  	      _._paddingBeforeSidebar = t3;
  	      _._maxMultilineSpans = t4;
  	      _._multipleFiles = t5;
  	      _._highlighter$_buffer = t6;
  	    },
  	    Highlighter_closure: function Highlighter_closure(t0) {
  	      this.color = t0;
  	    },
  	    Highlighter$__closure: function Highlighter$__closure() {
  	    },
  	    Highlighter$___closure: function Highlighter$___closure() {
  	    },
  	    Highlighter$__closure0: function Highlighter$__closure0() {
  	    },
  	    Highlighter__collateLines_closure: function Highlighter__collateLines_closure() {
  	    },
  	    Highlighter__collateLines_closure0: function Highlighter__collateLines_closure0() {
  	    },
  	    Highlighter__collateLines_closure1: function Highlighter__collateLines_closure1() {
  	    },
  	    Highlighter__collateLines__closure: function Highlighter__collateLines__closure(t0) {
  	      this.line = t0;
  	    },
  	    Highlighter_highlight_closure: function Highlighter_highlight_closure() {
  	    },
  	    Highlighter__writeFileStart_closure: function Highlighter__writeFileStart_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Highlighter__writeMultilineHighlights_closure: function Highlighter__writeMultilineHighlights_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.startLine = t1;
  	      this.line = t2;
  	    },
  	    Highlighter__writeMultilineHighlights_closure0: function Highlighter__writeMultilineHighlights_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.highlight = t1;
  	    },
  	    Highlighter__writeMultilineHighlights_closure1: function Highlighter__writeMultilineHighlights_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    Highlighter__writeMultilineHighlights_closure2: function Highlighter__writeMultilineHighlights_closure2(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.current = t2;
  	      _.startLine = t3;
  	      _.line = t4;
  	      _.highlight = t5;
  	      _.endLine = t6;
  	    },
  	    Highlighter__writeMultilineHighlights__closure: function Highlighter__writeMultilineHighlights__closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    Highlighter__writeMultilineHighlights__closure0: function Highlighter__writeMultilineHighlights__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.vertical = t1;
  	    },
  	    Highlighter__writeHighlightedText_closure: function Highlighter__writeHighlightedText_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.text = t1;
  	      _.startColumn = t2;
  	      _.endColumn = t3;
  	    },
  	    Highlighter__writeIndicator_closure: function Highlighter__writeIndicator_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.line = t1;
  	      this.highlight = t2;
  	    },
  	    Highlighter__writeIndicator_closure0: function Highlighter__writeIndicator_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.line = t1;
  	      this.highlight = t2;
  	    },
  	    Highlighter__writeIndicator_closure1: function Highlighter__writeIndicator_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.coversWholeLine = t1;
  	      _.line = t2;
  	      _.highlight = t3;
  	    },
  	    Highlighter__writeLabel_closure: function Highlighter__writeLabel_closure(t0, t1) {
  	      this.$this = t0;
  	      this.lines = t1;
  	    },
  	    Highlighter__writeLabel_closure0: function Highlighter__writeLabel_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.text = t1;
  	    },
  	    Highlighter__writeSidebar_closure: function Highlighter__writeSidebar_closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.end = t2;
  	    },
  	    _Highlight: function _Highlight(t0, t1, t2) {
  	      this.span = t0;
  	      this.isPrimary = t1;
  	      this.label = t2;
  	    },
  	    _Highlight_closure: function _Highlight_closure(t0) {
  	      this.span = t0;
  	    },
  	    _Line: function _Line(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.text = t0;
  	      _.number = t1;
  	      _.url = t2;
  	      _.highlights = t3;
  	    },
  	    SourceLocation$(offset, column, line, sourceUrl) {
  	      if (offset < 0)
  	        A.throwExpression(A.RangeError$("Offset may not be negative, was " + offset + "."));
  	      else if (line < 0)
  	        A.throwExpression(A.RangeError$("Line may not be negative, was " + line + "."));
  	      else if (column < 0)
  	        A.throwExpression(A.RangeError$("Column may not be negative, was " + column + "."));
  	      return new A.SourceLocation(sourceUrl, offset, line, column);
  	    },
  	    SourceLocation: function SourceLocation(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.sourceUrl = t0;
  	      _.offset = t1;
  	      _.line = t2;
  	      _.column = t3;
  	    },
  	    SourceLocationMixin: function SourceLocationMixin() {
  	    },
  	    SourceSpanExtension_messageMultiple(_this, message, label, secondarySpans, color, primaryColor, secondaryColor) {
  	      var t2, t3,
  	        t1 = _this.get$start(_this);
  	      t1 = t1.file.getLine$1(t1.offset);
  	      t2 = _this.get$start(_this);
  	      t2 = "line " + (t1 + 1) + ", column " + (t2.file.getColumn$1(t2.offset) + 1);
  	      if (_this.get$sourceUrl(_this) != null) {
  	        t1 = _this.get$sourceUrl(_this);
  	        t3 = $.$get$context();
  	        t1.toString;
  	        t1 = t2 + (" of " + t3.prettyUri$1(t1));
  	      } else
  	        t1 = t2;
  	      t1 = t1 + (": " + message + "\n") + A.Highlighter$multiple(_this, label, secondarySpans, color, primaryColor, secondaryColor).highlight$0();
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    SourceSpanBase: function SourceSpanBase() {
  	    },
  	    MultiSourceSpanFormatException$(message, span, primaryLabel, secondarySpans, source) {
  	      return new A.MultiSourceSpanFormatException(source, primaryLabel, A.ConstantMap_ConstantMap$from(secondarySpans, type$.SourceSpan, type$.String), message, span);
  	    },
  	    SourceSpanException: function SourceSpanException() {
  	    },
  	    SourceSpanFormatException: function SourceSpanFormatException(t0, t1, t2) {
  	      this.source = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    MultiSourceSpanException: function MultiSourceSpanException() {
  	    },
  	    MultiSourceSpanFormatException: function MultiSourceSpanFormatException(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.source = t0;
  	      _.primaryLabel = t1;
  	      _.secondarySpans = t2;
  	      _._span_exception$_message = t3;
  	      _._span = t4;
  	    },
  	    SourceSpanMixin: function SourceSpanMixin() {
  	    },
  	    SourceSpanWithContext$(start, end, text, _context) {
  	      var t1 = new A.SourceSpanWithContext(_context, start, end, text);
  	      t1.SourceSpanBase$3(start, end, text);
  	      if (!B.JSString_methods.contains$1(_context, text))
  	        A.throwExpression(A.ArgumentError$('The context line "' + _context + '" must contain "' + text + '".', null));
  	      if (A.findLineStart(_context, text, start.get$column()) == null)
  	        A.throwExpression(A.ArgumentError$('The span text "' + text + '" must start at column ' + (start.get$column() + 1) + ' in a line within "' + _context + '".', null));
  	      return t1;
  	    },
  	    SourceSpanWithContext: function SourceSpanWithContext(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._context = t0;
  	      _.start = t1;
  	      _.end = t2;
  	      _.text = t3;
  	    },
  	    Chain_Chain$parse(chain) {
  	      var t1, t2,
  	        _s51_ = string$.x3d_____;
  	      if (chain.length === 0)
  	        return new A.Chain(A.List_List$unmodifiable(A._setArrayType([], type$.JSArray_Trace), type$.Trace));
  	      t1 = $.$get$vmChainGap();
  	      if (B.JSString_methods.contains$1(chain, t1)) {
  	        t1 = B.JSString_methods.split$1(chain, t1);
  	        t2 = A._arrayInstanceType(t1);
  	        return new A.Chain(A.List_List$unmodifiable(new A.MappedIterable(new A.WhereIterable(t1, new A.Chain_Chain$parse_closure(), t2._eval$1("WhereIterable<1>")), A.trace_Trace___parseVM_tearOff$closure(), t2._eval$1("MappedIterable<1,Trace>")), type$.Trace));
  	      }
  	      if (!B.JSString_methods.contains$1(chain, _s51_))
  	        return new A.Chain(A.List_List$unmodifiable(A._setArrayType([A.Trace_Trace$parse(chain)], type$.JSArray_Trace), type$.Trace));
  	      return new A.Chain(A.List_List$unmodifiable(new A.MappedListIterable(A._setArrayType(chain.split(_s51_), type$.JSArray_String), A.trace_Trace___parseFriendly_tearOff$closure(), type$.MappedListIterable_String_Trace), type$.Trace));
  	    },
  	    Chain: function Chain(t0) {
  	      this.traces = t0;
  	    },
  	    Chain_Chain$parse_closure: function Chain_Chain$parse_closure() {
  	    },
  	    Chain_toTrace_closure: function Chain_toTrace_closure() {
  	    },
  	    Chain_toString_closure0: function Chain_toString_closure0() {
  	    },
  	    Chain_toString__closure0: function Chain_toString__closure0() {
  	    },
  	    Chain_toString_closure: function Chain_toString_closure(t0) {
  	      this.longest = t0;
  	    },
  	    Chain_toString__closure: function Chain_toString__closure(t0) {
  	      this.longest = t0;
  	    },
  	    Frame___parseVM_tearOff(frame) {
  	      return A.Frame_Frame$parseVM(frame);
  	    },
  	    Frame_Frame$parseVM(frame) {
  	      return A.Frame__catchFormatException(frame, new A.Frame_Frame$parseVM_closure(frame));
  	    },
  	    Frame___parseV8_tearOff(frame) {
  	      return A.Frame_Frame$parseV8(frame);
  	    },
  	    Frame_Frame$parseV8(frame) {
  	      return A.Frame__catchFormatException(frame, new A.Frame_Frame$parseV8_closure(frame));
  	    },
  	    Frame_Frame$_parseFirefoxEval(frame) {
  	      return A.Frame__catchFormatException(frame, new A.Frame_Frame$_parseFirefoxEval_closure(frame));
  	    },
  	    Frame___parseFirefox_tearOff(frame) {
  	      return A.Frame_Frame$parseFirefox(frame);
  	    },
  	    Frame_Frame$parseFirefox(frame) {
  	      return A.Frame__catchFormatException(frame, new A.Frame_Frame$parseFirefox_closure(frame));
  	    },
  	    Frame___parseFriendly_tearOff(frame) {
  	      return A.Frame_Frame$parseFriendly(frame);
  	    },
  	    Frame_Frame$parseFriendly(frame) {
  	      return A.Frame__catchFormatException(frame, new A.Frame_Frame$parseFriendly_closure(frame));
  	    },
  	    Frame__uriOrPathToUri(uriOrPath) {
  	      if (B.JSString_methods.contains$1(uriOrPath, $.$get$Frame__uriRegExp()))
  	        return A.Uri_parse(uriOrPath);
  	      else if (B.JSString_methods.contains$1(uriOrPath, $.$get$Frame__windowsRegExp()))
  	        return A._Uri__Uri$file(uriOrPath, true);
  	      else if (B.JSString_methods.startsWith$1(uriOrPath, "/"))
  	        return A._Uri__Uri$file(uriOrPath, false);
  	      if (B.JSString_methods.contains$1(uriOrPath, "\\"))
  	        return $.$get$windows().toUri$1(uriOrPath);
  	      return A.Uri_parse(uriOrPath);
  	    },
  	    Frame__catchFormatException(text, body) {
  	      var t1;
  	      try {
  	        t1 = body.call$0();
  	        return t1;
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception)))
  	          return new A.UnparsedFrame(A._Uri__Uri(null, "unparsed", null, null), text);
  	        else
  	          throw exception;
  	      }
  	    },
  	    Frame: function Frame(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.uri = t0;
  	      _.line = t1;
  	      _.column = t2;
  	      _.member = t3;
  	    },
  	    Frame_Frame$parseVM_closure: function Frame_Frame$parseVM_closure(t0) {
  	      this.frame = t0;
  	    },
  	    Frame_Frame$parseV8_closure: function Frame_Frame$parseV8_closure(t0) {
  	      this.frame = t0;
  	    },
  	    Frame_Frame$parseV8_closure_parseJsLocation: function Frame_Frame$parseV8_closure_parseJsLocation(t0) {
  	      this.frame = t0;
  	    },
  	    Frame_Frame$_parseFirefoxEval_closure: function Frame_Frame$_parseFirefoxEval_closure(t0) {
  	      this.frame = t0;
  	    },
  	    Frame_Frame$parseFirefox_closure: function Frame_Frame$parseFirefox_closure(t0) {
  	      this.frame = t0;
  	    },
  	    Frame_Frame$parseFriendly_closure: function Frame_Frame$parseFriendly_closure(t0) {
  	      this.frame = t0;
  	    },
  	    LazyTrace: function LazyTrace(t0) {
  	      this._thunk = t0;
  	      this.__LazyTrace__trace_FI = $;
  	    },
  	    LazyTrace_terse_closure: function LazyTrace_terse_closure(t0) {
  	      this.$this = t0;
  	    },
  	    Trace_Trace$from(trace) {
  	      if (type$.Trace._is(trace))
  	        return trace;
  	      if (trace instanceof A.Chain)
  	        return trace.toTrace$0();
  	      return new A.LazyTrace(new A.Trace_Trace$from_closure(trace));
  	    },
  	    Trace_Trace$parse(trace) {
  	      var error, t1;
  	      try {
  	        if (trace.length === 0) {
  	          t1 = A.Trace$(A._setArrayType([], type$.JSArray_Frame), null);
  	          return t1;
  	        }
  	        if (B.JSString_methods.contains$1(trace, $.$get$_v8Trace())) {
  	          t1 = A.Trace$parseV8(trace);
  	          return t1;
  	        }
  	        if (B.JSString_methods.contains$1(trace, "\tat ")) {
  	          t1 = A.Trace$parseJSCore(trace);
  	          return t1;
  	        }
  	        if (B.JSString_methods.contains$1(trace, $.$get$_firefoxSafariTrace()) || B.JSString_methods.contains$1(trace, $.$get$_firefoxEvalTrace())) {
  	          t1 = A.Trace$parseFirefox(trace);
  	          return t1;
  	        }
  	        if (B.JSString_methods.contains$1(trace, string$.x3d_____)) {
  	          t1 = A.Chain_Chain$parse(trace).toTrace$0();
  	          return t1;
  	        }
  	        if (B.JSString_methods.contains$1(trace, $.$get$_friendlyTrace())) {
  	          t1 = A.Trace$parseFriendly(trace);
  	          return t1;
  	        }
  	        t1 = A.Trace$parseVM(trace);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.FormatException._is(t1)) {
  	          error = t1;
  	          throw A.wrapException(A.FormatException$(J.get$message$x(error) + "\nStack trace:\n" + trace, null, null));
  	        } else
  	          throw exception;
  	      }
  	    },
  	    Trace___parseVM_tearOff(trace) {
  	      return A.Trace$parseVM(trace);
  	    },
  	    Trace$parseVM(trace) {
  	      var t1 = A.List_List$unmodifiable(A.Trace__parseVM(trace), type$.Frame);
  	      return new A.Trace(t1, new A._StringStackTrace(trace));
  	    },
  	    Trace__parseVM(trace) {
  	      var $frames,
  	        t1 = B.JSString_methods.trim$0(trace),
  	        t2 = $.$get$vmChainGap(),
  	        t3 = type$.WhereIterable_String,
  	        lines = new A.WhereIterable(A._setArrayType(A.stringReplaceAllUnchecked(t1, t2, "").split("\n"), type$.JSArray_String), new A.Trace__parseVM_closure(), t3);
  	      if (!lines.get$iterator(0).moveNext$0())
  	        return A._setArrayType([], type$.JSArray_Frame);
  	      t1 = A.TakeIterable_TakeIterable(lines, lines.get$length(0) - 1, t3._eval$1("Iterable.E"));
  	      t1 = A.MappedIterable_MappedIterable(t1, A.frame_Frame___parseVM_tearOff$closure(), A._instanceType(t1)._eval$1("Iterable.E"), type$.Frame);
  	      $frames = A.List_List$_of(t1, A._instanceType(t1)._eval$1("Iterable.E"));
  	      if (!B.JSString_methods.endsWith$1(lines.get$last(0), ".da"))
  	        $frames.push(A.Frame_Frame$parseVM(lines.get$last(0)));
  	      return $frames;
  	    },
  	    Trace$parseV8(trace) {
  	      var t1 = A.SubListIterable$(A._setArrayType(trace.split("\n"), type$.JSArray_String), 1, null, type$.String).super$Iterable$skipWhile(0, new A.Trace$parseV8_closure()),
  	        t2 = type$.Frame;
  	      t2 = A.List_List$unmodifiable(A.MappedIterable_MappedIterable(t1, A.frame_Frame___parseV8_tearOff$closure(), t1.$ti._eval$1("Iterable.E"), t2), t2);
  	      return new A.Trace(t2, new A._StringStackTrace(trace));
  	    },
  	    Trace$parseJSCore(trace) {
  	      var t1 = A.List_List$unmodifiable(new A.MappedIterable(new A.WhereIterable(A._setArrayType(trace.split("\n"), type$.JSArray_String), new A.Trace$parseJSCore_closure(), type$.WhereIterable_String), A.frame_Frame___parseV8_tearOff$closure(), type$.MappedIterable_String_Frame), type$.Frame);
  	      return new A.Trace(t1, new A._StringStackTrace(trace));
  	    },
  	    Trace$parseFirefox(trace) {
  	      var t1 = A.List_List$unmodifiable(new A.MappedIterable(new A.WhereIterable(A._setArrayType(B.JSString_methods.trim$0(trace).split("\n"), type$.JSArray_String), new A.Trace$parseFirefox_closure(), type$.WhereIterable_String), A.frame_Frame___parseFirefox_tearOff$closure(), type$.MappedIterable_String_Frame), type$.Frame);
  	      return new A.Trace(t1, new A._StringStackTrace(trace));
  	    },
  	    Trace___parseFriendly_tearOff(trace) {
  	      return A.Trace$parseFriendly(trace);
  	    },
  	    Trace$parseFriendly(trace) {
  	      var t1 = trace.length === 0 ? A._setArrayType([], type$.JSArray_Frame) : new A.MappedIterable(new A.WhereIterable(A._setArrayType(B.JSString_methods.trim$0(trace).split("\n"), type$.JSArray_String), new A.Trace$parseFriendly_closure(), type$.WhereIterable_String), A.frame_Frame___parseFriendly_tearOff$closure(), type$.MappedIterable_String_Frame);
  	      t1 = A.List_List$unmodifiable(t1, type$.Frame);
  	      return new A.Trace(t1, new A._StringStackTrace(trace));
  	    },
  	    Trace$($frames, original) {
  	      var t1 = A.List_List$unmodifiable($frames, type$.Frame);
  	      return new A.Trace(t1, new A._StringStackTrace(original == null ? "" : original));
  	    },
  	    Trace: function Trace(t0, t1) {
  	      this.frames = t0;
  	      this.original = t1;
  	    },
  	    Trace_Trace$from_closure: function Trace_Trace$from_closure(t0) {
  	      this.trace = t0;
  	    },
  	    Trace__parseVM_closure: function Trace__parseVM_closure() {
  	    },
  	    Trace$parseV8_closure: function Trace$parseV8_closure() {
  	    },
  	    Trace$parseJSCore_closure: function Trace$parseJSCore_closure() {
  	    },
  	    Trace$parseFirefox_closure: function Trace$parseFirefox_closure() {
  	    },
  	    Trace$parseFriendly_closure: function Trace$parseFriendly_closure() {
  	    },
  	    Trace_terse_closure: function Trace_terse_closure() {
  	    },
  	    Trace_foldFrames_closure: function Trace_foldFrames_closure(t0) {
  	      this.oldPredicate = t0;
  	    },
  	    Trace_foldFrames_closure0: function Trace_foldFrames_closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    Trace_toString_closure0: function Trace_toString_closure0() {
  	    },
  	    Trace_toString_closure: function Trace_toString_closure(t0) {
  	      this.longest = t0;
  	    },
  	    UnparsedFrame: function UnparsedFrame(t0, t1) {
  	      this.uri = t0;
  	      this.member = t1;
  	    },
  	    TransformByHandlers_transformByHandlers(_this, onData, onDone, $S, $T) {
  	      var _null = null, t1 = {},
  	        controller = A.StreamController_StreamController(_null, _null, _null, _null, true, $T);
  	      t1.subscription = null;
  	      controller.onListen = new A.TransformByHandlers_transformByHandlers_closure(t1, _this, onData, controller, A.instantiate1(A.from_handlers__TransformByHandlers__defaultHandleError$closure(), $T), onDone, $S);
  	      return controller.get$stream();
  	    },
  	    TransformByHandlers__defaultHandleError(error, stackTrace, sink) {
  	      sink.addError$2(error, stackTrace);
  	    },
  	    TransformByHandlers_transformByHandlers_closure: function TransformByHandlers_transformByHandlers_closure(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._box_1 = t0;
  	      _._this = t1;
  	      _.onData = t2;
  	      _.controller = t3;
  	      _.handleError = t4;
  	      _.handleDone = t5;
  	      _.S = t6;
  	    },
  	    TransformByHandlers_transformByHandlers__closure: function TransformByHandlers_transformByHandlers__closure(t0, t1, t2) {
  	      this.onData = t0;
  	      this.controller = t1;
  	      this.S = t2;
  	    },
  	    TransformByHandlers_transformByHandlers__closure1: function TransformByHandlers_transformByHandlers__closure1(t0, t1) {
  	      this.handleError = t0;
  	      this.controller = t1;
  	    },
  	    TransformByHandlers_transformByHandlers__closure0: function TransformByHandlers_transformByHandlers__closure0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.handleDone = t1;
  	      this.controller = t2;
  	    },
  	    TransformByHandlers_transformByHandlers__closure2: function TransformByHandlers_transformByHandlers__closure2(t0, t1) {
  	      this._box_1 = t0;
  	      this._box_0 = t1;
  	    },
  	    RateLimit__debounceAggregate(_this, duration, collect, leading, trailing, $T, $S) {
  	      var t1 = {};
  	      t1.soFar = t1.timer = null;
  	      t1.emittedLatestAsLeading = t1.shouldClose = t1.hasPending = false;
  	      return A.TransformByHandlers_transformByHandlers(_this, new A.RateLimit__debounceAggregate_closure(t1, $S, collect, false, duration, true, $T), new A.RateLimit__debounceAggregate_closure0(t1, true, $S), $T, $S);
  	    },
  	    _collect($event, soFar, $T) {
  	      var t1 = soFar == null ? A._setArrayType([], $T._eval$1("JSArray<0>")) : soFar;
  	      J.add$1$ax(t1, $event);
  	      return t1;
  	    },
  	    RateLimit__debounceAggregate_closure: function RateLimit__debounceAggregate_closure(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.S = t1;
  	      _.collect = t2;
  	      _.leading = t3;
  	      _.duration = t4;
  	      _.trailing = t5;
  	      _.T = t6;
  	    },
  	    RateLimit__debounceAggregate_closure_emit: function RateLimit__debounceAggregate_closure_emit(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.sink = t1;
  	      this.S = t2;
  	    },
  	    RateLimit__debounceAggregate__closure: function RateLimit__debounceAggregate__closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.trailing = t1;
  	      _.emit = t2;
  	      _.sink = t3;
  	    },
  	    RateLimit__debounceAggregate_closure0: function RateLimit__debounceAggregate_closure0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.trailing = t1;
  	      this.S = t2;
  	    },
  	    StringScannerException$(message, span, source) {
  	      return new A.StringScannerException(source, message, span);
  	    },
  	    StringScannerException: function StringScannerException(t0, t1, t2) {
  	      this.source = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    LineScanner$(string) {
  	      return new A.LineScanner(null, string);
  	    },
  	    LineScanner: function LineScanner(t0, t1) {
  	      var _ = this;
  	      _._line_scanner$_column = _._line_scanner$_line = 0;
  	      _.sourceUrl = t0;
  	      _.string = t1;
  	      _._string_scanner$_position = 0;
  	      _._lastMatchPosition = _._lastMatch = null;
  	    },
  	    SpanScanner$(string, sourceUrl) {
  	      var t2,
  	        t1 = A.SourceFile$fromString(string, sourceUrl);
  	      if (sourceUrl == null)
  	        t2 = null;
  	      else
  	        t2 = typeof sourceUrl == "string" ? A.Uri_parse(sourceUrl) : type$.Uri._as(sourceUrl);
  	      return new A.SpanScanner(t1, t2, string);
  	    },
  	    SpanScanner: function SpanScanner(t0, t1, t2) {
  	      var _ = this;
  	      _._sourceFile = t0;
  	      _.sourceUrl = t1;
  	      _.string = t2;
  	      _._string_scanner$_position = 0;
  	      _._lastMatchPosition = _._lastMatch = null;
  	    },
  	    _SpanScannerState: function _SpanScannerState(t0, t1) {
  	      this._scanner = t0;
  	      this.position = t1;
  	    },
  	    StringScanner$(string, position, sourceUrl) {
  	      var t1;
  	      if (sourceUrl == null)
  	        t1 = null;
  	      else
  	        t1 = typeof sourceUrl == "string" ? A.Uri_parse(sourceUrl) : type$.Uri._as(sourceUrl);
  	      return new A.StringScanner(t1, string);
  	    },
  	    StringScanner: function StringScanner(t0, t1) {
  	      var _ = this;
  	      _.sourceUrl = t0;
  	      _.string = t1;
  	      _._string_scanner$_position = 0;
  	      _._lastMatchPosition = _._lastMatch = null;
  	    },
  	    AsciiGlyphSet: function AsciiGlyphSet() {
  	    },
  	    UnicodeGlyphSet: function UnicodeGlyphSet() {
  	    },
  	    WatchEvent: function WatchEvent(t0, t1) {
  	      this.type = t0;
  	      this.path = t1;
  	    },
  	    ChangeType: function ChangeType(t0) {
  	      this._watch_event$_name = t0;
  	    },
  	    A98RgbColorSpace0: function A98RgbColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    AnySelectorVisitor0: function AnySelectorVisitor0() {
  	    },
  	    AnySelectorVisitor_visitComplexSelector_closure0: function AnySelectorVisitor_visitComplexSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    AnySelectorVisitor_visitCompoundSelector_closure0: function AnySelectorVisitor_visitCompoundSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SupportsAnything0: function SupportsAnything0(t0, t1) {
  	      this.contents = t0;
  	      this.span = t1;
  	    },
  	    ArgumentList$0(positional, named, namedSpans, span, keywordRest, rest) {
  	      var t1 = type$.Expression_2,
  	        t2 = type$.String;
  	      return new A.ArgumentList0(A.List_List$unmodifiable(positional, t1), A.ConstantMap_ConstantMap$from(named, t2, t1), A.ConstantMap_ConstantMap$from(namedSpans, t2, type$.FileSpan), rest, keywordRest, span);
  	    },
  	    ArgumentList$empty0(span) {
  	      return new A.ArgumentList0(B.List_empty24, B.Map_empty14, B.Map_empty5, null, null, span);
  	    },
  	    ArgumentList0: function ArgumentList0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.positional = t0;
  	      _.named = t1;
  	      _.namedSpans = t2;
  	      _.rest = t3;
  	      _.keywordRest = t4;
  	      _.span = t5;
  	    },
  	    argumentListClass_closure: function argumentListClass_closure() {
  	    },
  	    argumentListClass__closure: function argumentListClass__closure() {
  	    },
  	    argumentListClass__closure0: function argumentListClass__closure0() {
  	    },
  	    SassArgumentList$0(contents, keywords, separator) {
  	      var t1 = type$.Value_2;
  	      t1 = new A.SassArgumentList0(A.ConstantMap_ConstantMap$from(keywords, type$.String, t1), A.List_List$unmodifiable(contents, t1), separator, false);
  	      t1.SassList$3$brackets0(contents, separator, false);
  	      return t1;
  	    },
  	    SassArgumentList0: function SassArgumentList0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._argument_list$_keywords = t0;
  	      _._argument_list$_wereKeywordsAccessed = false;
  	      _._list1$_contents = t1;
  	      _._list1$_separator = t2;
  	      _._list1$_hasBrackets = t3;
  	    },
  	    JSArray1: function JSArray1() {
  	    },
  	    AsyncImporter0: function AsyncImporter0() {
  	    },
  	    JSToDartAsyncImporter: function JSToDartAsyncImporter(t0, t1, t2) {
  	      this._async0$_canonicalize = t0;
  	      this._load = t1;
  	      this._nonCanonicalSchemes = t2;
  	    },
  	    JSToDartAsyncImporter_canonicalize_closure: function JSToDartAsyncImporter_canonicalize_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    JSToDartAsyncImporter_load_closure: function JSToDartAsyncImporter_load_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    AsyncBuiltInCallable$mixin0($name, parameters, callback, acceptsContent, url) {
  	      return new A.AsyncBuiltInCallable0($name, A.ScssParser$0("@mixin " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), new A.AsyncBuiltInCallable$mixin_closure0(callback), false);
  	    },
  	    AsyncBuiltInCallable0: function AsyncBuiltInCallable0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _._async_built_in0$_parameters = t1;
  	      _._async_built_in0$_callback = t2;
  	      _.acceptsContent = t3;
  	    },
  	    AsyncBuiltInCallable$mixin_closure0: function AsyncBuiltInCallable$mixin_closure0(t0) {
  	      this.callback = t0;
  	    },
  	    AsyncBuiltInCallable_withDeprecationWarning_closure0: function AsyncBuiltInCallable_withDeprecationWarning_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.module = t1;
  	      this.newName = t2;
  	    },
  	    compileAsync0(path, charset, fatalDeprecations, functions, futureDeprecations, importCache, indentWidth, lineFeed, logger, nodeImporter, quietDeps, silenceDeprecations, sourceMap, style, syntax, useSpaces, verbose) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult_2),
  	        $async$returnValue, t3, t4, t0, stylesheet, result, t1, t2;
  	      var $async$compileAsync0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Deprecation_3;
  	              t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (silenceDeprecations != null)
  	                t2.addAll$1(0, silenceDeprecations);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (fatalDeprecations != null)
  	                t3.addAll$1(0, fatalDeprecations);
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (futureDeprecations != null)
  	                t4.addAll$1(0, futureDeprecations);
  	              logger = new A.DeprecationProcessingLogger0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	              logger.validate$0();
  	              t1 = nodeImporter == null;
  	              if (t1)
  	                t2 = syntax == null || syntax === A.Syntax_forPath0(path);
  	              else
  	                t2 = false;
  	              $async$goto = t2 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              if (importCache == null)
  	                importCache = A.AsyncImportCache$none();
  	              t2 = $.$get$FilesystemImporter_cwd0();
  	              t3 = A.isNodeJs() ? self.process : null;
  	              if (!J.$eq$(t3 == null ? null : J.get$platform$x(t3), "win32")) {
  	                t3 = A.isNodeJs() ? self.process : null;
  	                t3 = J.$eq$(t3 == null ? null : J.get$platform$x(t3), "darwin");
  	              } else
  	                t3 = true;
  	              if (t3) {
  	                t3 = A.absolute(path, null, null, null, null, null, null, null, null, null, null, null, null, null, null);
  	                t4 = $.$get$context();
  	                t3 = A._realCasePath0(t4.normalize$1(t3));
  	              } else {
  	                t3 = $.$get$context();
  	                t4 = t3.canonicalize$1(0, path);
  	                t0 = t4;
  	                t4 = t3;
  	                t3 = t0;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(importCache.importCanonical$3$originalUrl(t2, t4.toUri$1(t3), t4.toUri$1(path)), $async$compileAsync0);
  	            case 6:
  	              // returning from await.
  	              t4 = $async$result;
  	              t4.toString;
  	              stylesheet = t4;
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              t2 = A.readFile0(path);
  	              t3 = syntax == null ? A.Syntax_forPath0(path) : syntax;
  	              stylesheet = A.Stylesheet_Stylesheet$parse0(t2, t3, false, $.$get$context().toUri$1(path));
  	            case 4:
  	              // join
  	              $async$goto = 7;
  	              return A._asyncAwait(A._compileStylesheet2(stylesheet, logger, importCache, nodeImporter, $.$get$FilesystemImporter_cwd0(), functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset), $async$compileAsync0);
  	            case 7:
  	              // returning from await.
  	              result = $async$result;
  	              logger.summarize$1$js(!t1);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileAsync0, $async$completer);
  	    },
  	    compileStringAsync0(source, charset, fatalDeprecations, functions, futureDeprecations, importCache, importer, indentWidth, lineFeed, logger, nodeImporter, quietDeps, silenceDeprecations, sourceMap, style, syntax, url, useSpaces, verbose) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult_2),
  	        $async$returnValue, t3, t4, stylesheet, _0_0, result, t1, t2;
  	      var $async$compileStringAsync0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Deprecation_3;
  	              t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (silenceDeprecations != null)
  	                t2.addAll$1(0, silenceDeprecations);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (fatalDeprecations != null)
  	                t3.addAll$1(0, fatalDeprecations);
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	              if (futureDeprecations != null)
  	                t4.addAll$1(0, futureDeprecations);
  	              logger = new A.DeprecationProcessingLogger0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	              logger.validate$0();
  	              stylesheet = A.Stylesheet_Stylesheet$parse0(source, syntax == null ? B.Syntax_SCSS_0_scss0 : syntax, false, url);
  	              t1 = stylesheet.span;
  	              _0_0 = t1.get$sourceUrl(t1);
  	              if (type$.Uri._is(_0_0) && "" === _0_0.get$scheme() && nodeImporter == null)
  	                A.WarnForDeprecation_warnForDeprecation0(logger, B.Deprecation_y9Y, "Passing a relative `url` argument (" + A.S(t1.get$sourceUrl(t1)) + string$.x29x20to_cm, null, null);
  	              if (importer == null)
  	                t1 = A.isBrowser() ? new A.NoOpImporter0() : $.$get$FilesystemImporter_cwd0();
  	              else
  	                t1 = importer;
  	              $async$goto = 3;
  	              return A._asyncAwait(A._compileStylesheet2(stylesheet, logger, importCache, nodeImporter, t1, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset), $async$compileStringAsync0);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              logger.summarize$1$js(nodeImporter != null);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileStringAsync0, $async$completer);
  	    },
  	    _compileStylesheet2(stylesheet, logger, importCache, nodeImporter, importer, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CompileResult_2),
  	        $async$returnValue, evaluateResult, serializeResult, resultSourceMap;
  	      var $async$_compileStylesheet2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (nodeImporter != null)
  	                A.WarnForDeprecation_warnForDeprecation0(logger, B.Deprecation_PGp, string$.The_le, null, null);
  	              $async$goto = 3;
  	              return A._asyncAwait(A._EvaluateVisitor$2(functions, importCache, logger, nodeImporter, quietDeps, sourceMap).run$2(0, importer, stylesheet), $async$_compileStylesheet2);
  	            case 3:
  	              // returning from await.
  	              evaluateResult = $async$result;
  	              serializeResult = A.serialize0(evaluateResult._1, charset, indentWidth, false, lineFeed, logger, sourceMap, style, useSpaces);
  	              resultSourceMap = serializeResult._1;
  	              if (resultSourceMap != null && importCache != null)
  	                A.mapInPlace0(resultSourceMap.urls, new A._compileStylesheet_closure2(stylesheet, importCache));
  	              $async$returnValue = new A.CompileResult0(evaluateResult, serializeResult);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_compileStylesheet2, $async$completer);
  	    },
  	    _compileStylesheet_closure2: function _compileStylesheet_closure2(t0, t1) {
  	      this.stylesheet = t0;
  	      this.importCache = t1;
  	    },
  	    AsyncEnvironment$0() {
  	      var t1 = type$.String,
  	        t2 = type$.Module_AsyncCallable_2,
  	        t3 = type$.AstNode_2,
  	        t4 = type$.int,
  	        t5 = type$.AsyncCallable_2,
  	        t6 = type$.JSArray_Map_String_AsyncCallable_2;
  	      return new A.AsyncEnvironment0(A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), null, null, A._setArrayType([], type$.JSArray_Module_AsyncCallable_2), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value_2)], type$.JSArray_Map_String_Value_2), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t3)], type$.JSArray_Map_String_AstNode_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), null, A.LinkedHashSet_LinkedHashSet$_empty(t1));
  	    },
  	    AsyncEnvironment$_0(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, _functions, _mixins, _content, _configurableVariables) {
  	      var t1 = type$.String,
  	        t2 = type$.int;
  	      return new A.AsyncEnvironment0(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _functions, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _mixins, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _content, _configurableVariables);
  	    },
  	    _EnvironmentModule__EnvironmentModule2(environment, css, preModuleComments, extensionStore, forwarded) {
  	      var t1, t2, t3, t4, t5, t6, module, result, t7;
  	      if (forwarded == null)
  	        forwarded = B.Set_empty7;
  	      t1 = type$.dynamic;
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t2 = type$.Module_AsyncCallable_2, t3 = type$.List_CssComment_2, t4 = A.MapExtensions_get_pairs0(preModuleComments, t2, t3), t4 = t4.get$iterator(t4), t5 = type$.CssComment_2; t4.moveNext$0();) {
  	        t6 = t4.get$current(t4);
  	        module = t6._0;
  	        result = A.List_List$from(t6._1, false, t5);
  	        result.$flags = 3;
  	        t1.$indexSet(0, module, result);
  	      }
  	      t1 = A.ConstantMap_ConstantMap$from(t1, t2, t3);
  	      t2 = A._EnvironmentModule__makeModulesByVariable2(forwarded);
  	      t3 = A._EnvironmentModule__memberMap2(B.JSArray_methods.get$first(environment._async_environment0$_variables), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure17(), type$.Map_String_Value_2), type$.Value_2);
  	      t4 = A._EnvironmentModule__memberMap2(B.JSArray_methods.get$first(environment._async_environment0$_variableNodes), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure18(), type$.Map_String_AstNode_2), type$.AstNode_2);
  	      t5 = type$.Map_String_AsyncCallable_2;
  	      t6 = type$.AsyncCallable_2;
  	      t7 = A._EnvironmentModule__memberMap2(B.JSArray_methods.get$first(environment._async_environment0$_functions), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure19(), t5), t6);
  	      t6 = A._EnvironmentModule__memberMap2(B.JSArray_methods.get$first(environment._async_environment0$_mixins), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure20(), t5), t6);
  	      t5 = J.get$isNotEmpty$asx(css.get$children(css)) || preModuleComments.get$isNotEmpty(preModuleComments) || B.JSArray_methods.any$1(environment._async_environment0$_allModules, new A._EnvironmentModule__EnvironmentModule_closure21());
  	      return A._EnvironmentModule$_2(environment, css, t1, extensionStore, t2, t3, t4, t7, t6, t5, !extensionStore.get$isEmpty(extensionStore) || B.JSArray_methods.any$1(environment._async_environment0$_allModules, new A._EnvironmentModule__EnvironmentModule_closure22()));
  	    },
  	    _EnvironmentModule__makeModulesByVariable2(forwarded) {
  	      var modulesByVariable, t1, t2, t3, t4, t5;
  	      if (forwarded.get$isEmpty(forwarded))
  	        return B.Map_empty17;
  	      modulesByVariable = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Module_AsyncCallable_2);
  	      for (t1 = forwarded.get$iterator(forwarded); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        if (t2 instanceof A._EnvironmentModule2) {
  	          for (t3 = t2._async_environment0$_modulesByVariable, t3 = t3.get$values(t3), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	            t4 = t3.get$current(t3);
  	            t5 = t4.get$variables();
  	            A.setAll0(modulesByVariable, t5.get$keys(t5), t4);
  	          }
  	          t3 = B.JSArray_methods.get$first(t2._async_environment0$_environment._async_environment0$_variables);
  	          A.setAll0(modulesByVariable, t3.get$keys(t3), t2);
  	        } else {
  	          t3 = t2.get$variables();
  	          A.setAll0(modulesByVariable, t3.get$keys(t3), t2);
  	        }
  	      }
  	      return modulesByVariable;
  	    },
  	    _EnvironmentModule__memberMap2(localMap, otherMaps, $V) {
  	      var t1, t2, t3;
  	      localMap = new A.PublicMemberMapView0(localMap, $V._eval$1("PublicMemberMapView0<0>"));
  	      if (otherMaps.get$isEmpty(otherMaps))
  	        return localMap;
  	      t1 = A._setArrayType([], $V._eval$1("JSArray<Map<String,0>>"));
  	      for (t2 = otherMaps.get$iterator(otherMaps); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.get$isNotEmpty(t3))
  	          t1.push(t3);
  	      }
  	      t1.push(localMap);
  	      if (t1.length === 1)
  	        return localMap;
  	      return A.MergedMapView$0(t1, type$.String, $V);
  	    },
  	    _EnvironmentModule$_2(_environment, css, preModuleComments, extensionStore, _modulesByVariable, variables, variableNodes, functions, mixins, transitivelyContainsCss, transitivelyContainsExtensions) {
  	      return new A._EnvironmentModule2(_environment._async_environment0$_allModules, variables, variableNodes, functions, mixins, extensionStore, css, preModuleComments, transitivelyContainsCss, transitivelyContainsExtensions, _environment, _modulesByVariable);
  	    },
  	    AsyncEnvironment0: function AsyncEnvironment0(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15) {
  	      var _ = this;
  	      _._async_environment0$_modules = t0;
  	      _._async_environment0$_namespaceNodes = t1;
  	      _._async_environment0$_globalModules = t2;
  	      _._async_environment0$_importedModules = t3;
  	      _._async_environment0$_forwardedModules = t4;
  	      _._async_environment0$_nestedForwardedModules = t5;
  	      _._async_environment0$_allModules = t6;
  	      _._async_environment0$_variables = t7;
  	      _._async_environment0$_variableNodes = t8;
  	      _._async_environment0$_variableIndices = t9;
  	      _._async_environment0$_functions = t10;
  	      _._async_environment0$_functionIndices = t11;
  	      _._async_environment0$_mixins = t12;
  	      _._async_environment0$_mixinIndices = t13;
  	      _._async_environment0$_content = t14;
  	      _._async_environment0$_configurableVariables = t15;
  	      _._async_environment0$_inMixin = false;
  	      _._async_environment0$_inSemiGlobalScope = true;
  	      _._async_environment0$_lastVariableIndex = _._async_environment0$_lastVariableName = null;
  	    },
  	    AsyncEnvironment__getVariableFromGlobalModule_closure0: function AsyncEnvironment__getVariableFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_setVariable_closure2: function AsyncEnvironment_setVariable_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    AsyncEnvironment_setVariable_closure3: function AsyncEnvironment_setVariable_closure3(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_setVariable_closure4: function AsyncEnvironment_setVariable_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    AsyncEnvironment__getFunctionFromGlobalModule_closure0: function AsyncEnvironment__getFunctionFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment__getMixinFromGlobalModule_closure0: function AsyncEnvironment__getMixinFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    AsyncEnvironment_toModule_closure0: function AsyncEnvironment_toModule_closure0() {
  	    },
  	    AsyncEnvironment_toDummyModule_closure0: function AsyncEnvironment_toDummyModule_closure0() {
  	    },
  	    _EnvironmentModule2: function _EnvironmentModule2(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) {
  	      var _ = this;
  	      _.upstream = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.extensionStore = t5;
  	      _.css = t6;
  	      _.preModuleComments = t7;
  	      _.transitivelyContainsCss = t8;
  	      _.transitivelyContainsExtensions = t9;
  	      _._async_environment0$_environment = t10;
  	      _._async_environment0$_modulesByVariable = t11;
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure17: function _EnvironmentModule__EnvironmentModule_closure17() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure18: function _EnvironmentModule__EnvironmentModule_closure18() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure19: function _EnvironmentModule__EnvironmentModule_closure19() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure20: function _EnvironmentModule__EnvironmentModule_closure20() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure21: function _EnvironmentModule__EnvironmentModule_closure21() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure22: function _EnvironmentModule__EnvironmentModule_closure22() {
  	    },
  	    _EnvironmentModule_couldHaveBeenConfigured_closure2: function _EnvironmentModule_couldHaveBeenConfigured_closure2(t0) {
  	      this.variables = t0;
  	    },
  	    _EvaluateVisitor$2(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t4,
  	        t1 = type$.Uri,
  	        t2 = type$.Module_AsyncCallable_2,
  	        t3 = A._setArrayType([], type$.JSArray_Record_2_String_and_AstNode_2);
  	      if (importCache == null)
  	        t4 = nodeImporter == null ? A.AsyncImportCache$none() : null;
  	      else
  	        t4 = importCache;
  	      t1 = new A._EvaluateVisitor2(t4, nodeImporter, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.AsyncCallable_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Configuration_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode_2), logger, A.LinkedHashSet_LinkedHashSet$_empty(type$.Record_2_String_and_SourceSpan), quietDeps, sourceMap, new A.Object(), A.AsyncEnvironment$0(), A.LinkedHashSet_LinkedHashSet$_empty(t1), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.nullable_AstNode_2), t3, B.Configuration_Map_empty_null0);
  	      t1._EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap2(functions, importCache, logger, nodeImporter, quietDeps, sourceMap);
  	      return t1;
  	    },
  	    _EvaluateVisitor2: function _EvaluateVisitor2(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16) {
  	      var _ = this;
  	      _._async_evaluate0$_importCache = t0;
  	      _._async_evaluate0$_nodeImporter = t1;
  	      _._async_evaluate0$_builtInFunctions = t2;
  	      _._async_evaluate0$_builtInModules = t3;
  	      _._async_evaluate0$_modules = t4;
  	      _._async_evaluate0$_moduleConfigurations = t5;
  	      _._async_evaluate0$_moduleNodes = t6;
  	      _._async_evaluate0$_logger = t7;
  	      _._async_evaluate0$_warningsEmitted = t8;
  	      _._async_evaluate0$_quietDeps = t9;
  	      _._async_evaluate0$_sourceMap = t10;
  	      _._async_evaluate0$_compileContext = t11;
  	      _._async_evaluate0$_environment = t12;
  	      _._async_evaluate0$_declarationName = _._async_evaluate0$__parent = _._async_evaluate0$_mediaQuerySources = _._async_evaluate0$_mediaQueries = _._async_evaluate0$_styleRuleIgnoringAtRoot = null;
  	      _._async_evaluate0$_member = "root stylesheet";
  	      _._async_evaluate0$_importSpan = _._async_evaluate0$_callableNode = null;
  	      _._async_evaluate0$_inSupportsDeclaration = _._async_evaluate0$_inKeyframes = _._async_evaluate0$_atRootExcludingStyleRule = _._async_evaluate0$_inUnknownAtRule = _._async_evaluate0$_inFunction = false;
  	      _._async_evaluate0$_loadedUrls = t13;
  	      _._async_evaluate0$_activeModules = t14;
  	      _._async_evaluate0$_stack = t15;
  	      _._async_evaluate0$_importer = null;
  	      _._async_evaluate0$_inDependency = false;
  	      _._async_evaluate0$__extensionStore = _._async_evaluate0$_preModuleComments = _._async_evaluate0$_outOfOrderImports = _._async_evaluate0$__endOfImports = _._async_evaluate0$__root = _._async_evaluate0$__stylesheet = null;
  	      _._async_evaluate0$_configuration = t16;
  	    },
  	    _EvaluateVisitor_closure38: function _EvaluateVisitor_closure38(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure39: function _EvaluateVisitor_closure39(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure40: function _EvaluateVisitor_closure40(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure41: function _EvaluateVisitor_closure41(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure42: function _EvaluateVisitor_closure42(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure43: function _EvaluateVisitor_closure43(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure44: function _EvaluateVisitor_closure44(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure45: function _EvaluateVisitor_closure45(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure46: function _EvaluateVisitor_closure46(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure14: function _EvaluateVisitor__closure14(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure47: function _EvaluateVisitor_closure47(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure13: function _EvaluateVisitor__closure13(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure48: function _EvaluateVisitor_closure48(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure49: function _EvaluateVisitor_closure49(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure11: function _EvaluateVisitor__closure11(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.values = t1;
  	      _.span = t2;
  	      _.callableNode = t3;
  	    },
  	    _EvaluateVisitor__closure12: function _EvaluateVisitor__closure12(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure50: function _EvaluateVisitor_closure50(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_run_closure2: function _EvaluateVisitor_run_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.importer = t2;
  	    },
  	    _EvaluateVisitor_run__closure2: function _EvaluateVisitor_run__closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__loadModule_closure5: function _EvaluateVisitor__loadModule_closure5(t0, t1) {
  	      this._box_0 = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__loadModule_closure6: function _EvaluateVisitor__loadModule_closure6(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.nodeWithSpan = t2;
  	      _.baseUrl = t3;
  	      _.namesInErrors = t4;
  	      _.configuration = t5;
  	      _.callback = t6;
  	    },
  	    _EvaluateVisitor__loadModule__closure5: function _EvaluateVisitor__loadModule__closure5(t0, t1) {
  	      this.$this = t0;
  	      this.message = t1;
  	    },
  	    _EvaluateVisitor__loadModule__closure6: function _EvaluateVisitor__loadModule__closure6(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.callback = t1;
  	      this.firstLoad = t2;
  	    },
  	    _EvaluateVisitor__execute_closure2: function _EvaluateVisitor__execute_closure2(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.stylesheet = t2;
  	      _.extensionStore = t3;
  	      _.configuration = t4;
  	      _.css = t5;
  	      _.preModuleComments = t6;
  	    },
  	    _EvaluateVisitor__combineCss_closure5: function _EvaluateVisitor__combineCss_closure5() {
  	    },
  	    _EvaluateVisitor__combineCss_closure6: function _EvaluateVisitor__combineCss_closure6(t0) {
  	      this.selectors = t0;
  	    },
  	    _EvaluateVisitor__combineCss_visitModule2: function _EvaluateVisitor__combineCss_visitModule2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.seen = t1;
  	      _.clone = t2;
  	      _.css = t3;
  	      _.imports = t4;
  	      _.sorted = t5;
  	    },
  	    _EvaluateVisitor__extendModules_closure5: function _EvaluateVisitor__extendModules_closure5(t0) {
  	      this.originalSelectors = t0;
  	    },
  	    _EvaluateVisitor__extendModules_closure6: function _EvaluateVisitor__extendModules_closure6() {
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure5: function _EvaluateVisitor_visitAtRootRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure6: function _EvaluateVisitor_visitAtRootRule_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure17: function _EvaluateVisitor__scopeForAtRoot_closure17(t0, t1, t2) {
  	      this.$this = t0;
  	      this.newParent = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure18: function _EvaluateVisitor__scopeForAtRoot_closure18(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure19: function _EvaluateVisitor__scopeForAtRoot_closure19(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot__closure2: function _EvaluateVisitor__scopeForAtRoot__closure2(t0, t1) {
  	      this.innerScope = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure20: function _EvaluateVisitor__scopeForAtRoot_closure20(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure21: function _EvaluateVisitor__scopeForAtRoot_closure21() {
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure22: function _EvaluateVisitor__scopeForAtRoot_closure22(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor_visitContentRule_closure2: function _EvaluateVisitor_visitContentRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.content = t1;
  	    },
  	    _EvaluateVisitor_visitDeclaration_closure2: function _EvaluateVisitor_visitDeclaration_closure2(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure8: function _EvaluateVisitor_visitEachRule_closure8(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure9: function _EvaluateVisitor_visitEachRule_closure9(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure10: function _EvaluateVisitor_visitEachRule_closure10(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.list = t1;
  	      _.setVariables = t2;
  	      _.node = t3;
  	    },
  	    _EvaluateVisitor_visitEachRule__closure2: function _EvaluateVisitor_visitEachRule__closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.setVariables = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule___closure2: function _EvaluateVisitor_visitEachRule___closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure11: function _EvaluateVisitor_visitAtRule_closure11(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure12: function _EvaluateVisitor_visitAtRule_closure12(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure13: function _EvaluateVisitor_visitAtRule_closure13(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.children = t2;
  	    },
  	    _EvaluateVisitor_visitAtRule__closure2: function _EvaluateVisitor_visitAtRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure14: function _EvaluateVisitor_visitAtRule_closure14() {
  	    },
  	    _EvaluateVisitor_visitForRule_closure14: function _EvaluateVisitor_visitForRule_closure14(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure15: function _EvaluateVisitor_visitForRule_closure15(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure16: function _EvaluateVisitor_visitForRule_closure16(t0) {
  	      this.fromNumber = t0;
  	    },
  	    _EvaluateVisitor_visitForRule_closure17: function _EvaluateVisitor_visitForRule_closure17(t0, t1) {
  	      this.toNumber = t0;
  	      this.fromNumber = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure18: function _EvaluateVisitor_visitForRule_closure18(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.from = t3;
  	      _.direction = t4;
  	      _.fromNumber = t5;
  	    },
  	    _EvaluateVisitor_visitForRule__closure2: function _EvaluateVisitor_visitForRule__closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure5: function _EvaluateVisitor_visitForwardRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure6: function _EvaluateVisitor_visitForwardRule_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__registerCommentsForModule_closure2: function _EvaluateVisitor__registerCommentsForModule_closure2() {
  	    },
  	    _EvaluateVisitor_visitIfRule_closure2: function _EvaluateVisitor_visitIfRule_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIfRule__closure2: function _EvaluateVisitor_visitIfRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.clause = t1;
  	    },
  	    _EvaluateVisitor_visitIfRule___closure2: function _EvaluateVisitor_visitIfRule___closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport_closure2: function _EvaluateVisitor__visitDynamicImport_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.$import = t1;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure11: function _EvaluateVisitor__visitDynamicImport__closure11(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure12: function _EvaluateVisitor__visitDynamicImport__closure12() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure13: function _EvaluateVisitor__visitDynamicImport__closure13() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure14: function _EvaluateVisitor__visitDynamicImport__closure14(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.loadsUserDefinedModules = t2;
  	      _.environment = t3;
  	      _.children = t4;
  	    },
  	    _EvaluateVisitor__applyMixin_closure5: function _EvaluateVisitor__applyMixin_closure5(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure6: function _EvaluateVisitor__applyMixin__closure6(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin_closure6: function _EvaluateVisitor__applyMixin_closure6(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.contentCallable = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure5: function _EvaluateVisitor__applyMixin__closure5(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin___closure2: function _EvaluateVisitor__applyMixin___closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin____closure2: function _EvaluateVisitor__applyMixin____closure2(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure8: function _EvaluateVisitor_visitIncludeRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure9: function _EvaluateVisitor_visitIncludeRule_closure9(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure10: function _EvaluateVisitor_visitIncludeRule_closure10(t0) {
  	      this.node = t0;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure11: function _EvaluateVisitor_visitMediaRule_closure11(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure12: function _EvaluateVisitor_visitMediaRule_closure12(t0, t1) {
  	      this.$this = t0;
  	      this.queries = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure13: function _EvaluateVisitor_visitMediaRule_closure13(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.queries = t2;
  	      _.mergedSources = t3;
  	      _.node = t4;
  	    },
  	    _EvaluateVisitor_visitMediaRule__closure2: function _EvaluateVisitor_visitMediaRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule___closure2: function _EvaluateVisitor_visitMediaRule___closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure14: function _EvaluateVisitor_visitMediaRule_closure14(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure11: function _EvaluateVisitor_visitStyleRule_closure11(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure12: function _EvaluateVisitor_visitStyleRule_closure12() {
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure14: function _EvaluateVisitor_visitStyleRule_closure14(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitStyleRule__closure2: function _EvaluateVisitor_visitStyleRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure13: function _EvaluateVisitor_visitStyleRule_closure13() {
  	    },
  	    _EvaluateVisitor__warnForBogusCombinators_closure2: function _EvaluateVisitor__warnForBogusCombinators_closure2() {
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure8: function _EvaluateVisitor_visitSupportsRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure9: function _EvaluateVisitor_visitSupportsRule_closure9(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule__closure2: function _EvaluateVisitor_visitSupportsRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure10: function _EvaluateVisitor_visitSupportsRule_closure10() {
  	    },
  	    _EvaluateVisitor__visitSupportsCondition_closure2: function _EvaluateVisitor__visitSupportsCondition_closure2(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure8: function _EvaluateVisitor_visitVariableDeclaration_closure8(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure9: function _EvaluateVisitor_visitVariableDeclaration_closure9(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure10: function _EvaluateVisitor_visitVariableDeclaration_closure10(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.value = t2;
  	    },
  	    _EvaluateVisitor_visitUseRule_closure2: function _EvaluateVisitor_visitUseRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWarnRule_closure2: function _EvaluateVisitor_visitWarnRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule_closure2: function _EvaluateVisitor_visitWhileRule_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule__closure2: function _EvaluateVisitor_visitWhileRule__closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitBinaryOperationExpression_closure2: function _EvaluateVisitor_visitBinaryOperationExpression_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__slash_recommendation2: function _EvaluateVisitor__slash_recommendation2() {
  	    },
  	    _EvaluateVisitor_visitVariableExpression_closure2: function _EvaluateVisitor_visitVariableExpression_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitUnaryOperationExpression_closure2: function _EvaluateVisitor_visitUnaryOperationExpression_closure2(t0, t1) {
  	      this.node = t0;
  	      this.operand = t1;
  	    },
  	    _EvaluateVisitor_visitIfExpression_closure2: function _EvaluateVisitor_visitIfExpression_closure2() {
  	    },
  	    _EvaluateVisitor_visitIfConditionOperation_closure2: function _EvaluateVisitor_visitIfConditionOperation_closure2() {
  	    },
  	    _EvaluateVisitor_visitListExpression_closure2: function _EvaluateVisitor_visitListExpression_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure8: function _EvaluateVisitor_visitFunctionExpression_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure9: function _EvaluateVisitor_visitFunctionExpression_closure9() {
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure10: function _EvaluateVisitor_visitFunctionExpression_closure10(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__visitCalculation_closure2: function _EvaluateVisitor__visitCalculation_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__checkCalculationArguments_check2: function _EvaluateVisitor__checkCalculationArguments_check2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression_closure2: function _EvaluateVisitor__visitCalculationExpression_closure2(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.inLegacySassFunction = t3;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression__closure2: function _EvaluateVisitor__visitCalculationExpression__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitInterpolatedFunctionExpression_closure2: function _EvaluateVisitor_visitInterpolatedFunctionExpression_closure2(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.$function = t2;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable_closure2: function _EvaluateVisitor__runUserDefinedCallable_closure2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.callable = t1;
  	      _.evaluated = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable__closure2: function _EvaluateVisitor__runUserDefinedCallable__closure2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable___closure2: function _EvaluateVisitor__runUserDefinedCallable___closure2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable____closure2: function _EvaluateVisitor__runUserDefinedCallable____closure2() {
  	    },
  	    _EvaluateVisitor__runFunctionCallable_closure2: function _EvaluateVisitor__runFunctionCallable_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.callable = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure8: function _EvaluateVisitor__runBuiltInCallable_closure8(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	      this.namedSet = t2;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure9: function _EvaluateVisitor__runBuiltInCallable_closure9(t0, t1) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure10: function _EvaluateVisitor__runBuiltInCallable_closure10() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure11: function _EvaluateVisitor__evaluateArguments_closure11() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure12: function _EvaluateVisitor__evaluateArguments_closure12(t0, t1) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure13: function _EvaluateVisitor__evaluateArguments_closure13(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.namedNodes = t3;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure14: function _EvaluateVisitor__evaluateArguments_closure14() {
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure11: function _EvaluateVisitor__evaluateMacroArguments_closure11(t0) {
  	      this.restArgs = t0;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure12: function _EvaluateVisitor__evaluateMacroArguments_closure12(t0, t1, t2) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	      this.restArgs = t2;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure13: function _EvaluateVisitor__evaluateMacroArguments_closure13(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.restArgs = t3;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure14: function _EvaluateVisitor__evaluateMacroArguments_closure14(t0, t1, t2) {
  	      this.$this = t0;
  	      this.keywordRestNodeForSpan = t1;
  	      this.keywordRestArgs = t2;
  	    },
  	    _EvaluateVisitor__addRestMap_closure2: function _EvaluateVisitor__addRestMap_closure2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.values = t1;
  	      _.convert = t2;
  	      _.expressionNode = t3;
  	      _.map = t4;
  	      _.nodeWithSpan = t5;
  	    },
  	    _EvaluateVisitor__verifyArguments_closure2: function _EvaluateVisitor__verifyArguments_closure2(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.positional = t1;
  	      this.named = t2;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure8: function _EvaluateVisitor_visitCssAtRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure9: function _EvaluateVisitor_visitCssAtRule_closure9(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure10: function _EvaluateVisitor_visitCssAtRule_closure10() {
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure5: function _EvaluateVisitor_visitCssKeyframeBlock_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure6: function _EvaluateVisitor_visitCssKeyframeBlock_closure6() {
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure11: function _EvaluateVisitor_visitCssMediaRule_closure11(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure12: function _EvaluateVisitor_visitCssMediaRule_closure12(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure13: function _EvaluateVisitor_visitCssMediaRule_closure13(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.node = t2;
  	      _.mergedSources = t3;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule__closure2: function _EvaluateVisitor_visitCssMediaRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule___closure2: function _EvaluateVisitor_visitCssMediaRule___closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure14: function _EvaluateVisitor_visitCssMediaRule_closure14(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure6: function _EvaluateVisitor_visitCssStyleRule_closure6(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule__closure2: function _EvaluateVisitor_visitCssStyleRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure5: function _EvaluateVisitor_visitCssStyleRule_closure5() {
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure8: function _EvaluateVisitor_visitCssSupportsRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure9: function _EvaluateVisitor_visitCssSupportsRule_closure9(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule__closure2: function _EvaluateVisitor_visitCssSupportsRule__closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure10: function _EvaluateVisitor_visitCssSupportsRule_closure10() {
  	    },
  	    _EvaluateVisitor__performInterpolationHelper_closure2: function _EvaluateVisitor__performInterpolationHelper_closure2(t0) {
  	      this.interpolation = t0;
  	    },
  	    _EvaluateVisitor__serialize_closure2: function _EvaluateVisitor__serialize_closure2(t0, t1) {
  	      this.value = t0;
  	      this.quote = t1;
  	    },
  	    _EvaluateVisitor__expressionNode_closure2: function _EvaluateVisitor__expressionNode_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor__withoutSlash_recommendation2: function _EvaluateVisitor__withoutSlash_recommendation2() {
  	    },
  	    _EvaluateVisitor__stackFrame_closure2: function _EvaluateVisitor__stackFrame_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    _ImportedCssVisitor2: function _ImportedCssVisitor2(t0) {
  	      this._async_evaluate0$_visitor = t0;
  	    },
  	    _ImportedCssVisitor_visitCssAtRule_closure2: function _ImportedCssVisitor_visitCssAtRule_closure2() {
  	    },
  	    _ImportedCssVisitor_visitCssMediaRule_closure2: function _ImportedCssVisitor_visitCssMediaRule_closure2(t0) {
  	      this.hasBeenMerged = t0;
  	    },
  	    _ImportedCssVisitor_visitCssStyleRule_closure2: function _ImportedCssVisitor_visitCssStyleRule_closure2() {
  	    },
  	    _ImportedCssVisitor_visitCssSupportsRule_closure2: function _ImportedCssVisitor_visitCssSupportsRule_closure2() {
  	    },
  	    _EvaluationContext2: function _EvaluationContext2(t0, t1) {
  	      this._async_evaluate0$_visitor = t0;
  	      this._async_evaluate0$_defaultWarnNodeWithSpan = t1;
  	    },
  	    JSToDartAsyncFileImporter: function JSToDartAsyncFileImporter(t0) {
  	      this._findFileUrl = t0;
  	    },
  	    JSToDartAsyncFileImporter_canonicalize_closure: function JSToDartAsyncFileImporter_canonicalize_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    AsyncImportCache$(importers, loadPaths, packageConfig) {
  	      var t1 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2,
  	        t2 = type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport_2,
  	        t3 = type$.Uri;
  	      return new A.AsyncImportCache0(A.AsyncImportCache__toImporters0(importers, loadPaths, packageConfig), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.DateTime));
  	    },
  	    AsyncImportCache$none() {
  	      var t1 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2,
  	        t2 = type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport_2,
  	        t3 = type$.Uri;
  	      return new A.AsyncImportCache0(B.List_empty31, A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.DateTime));
  	    },
  	    AsyncImportCache__toImporters0(importers, loadPaths, packageConfig) {
  	      var t1, t2, t3, t4, _i, path, _null = null,
  	        sassPath = A.getEnvironmentVariable0("SASS_PATH");
  	      if (A.isBrowser()) {
  	        t1 = A._setArrayType([], type$.JSArray_AsyncImporter);
  	        if (importers != null)
  	          B.JSArray_methods.addAll$1(t1, importers);
  	        return t1;
  	      }
  	      t1 = A._setArrayType([], type$.JSArray_AsyncImporter);
  	      if (importers != null)
  	        B.JSArray_methods.addAll$1(t1, importers);
  	      if (loadPaths != null)
  	        for (t2 = J.get$iterator$ax(loadPaths); t2.moveNext$0();) {
  	          t3 = t2.get$current(t2);
  	          t1.push(new A.FilesystemImporter0($.$get$context().absolute$15(t3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      if (sassPath != null) {
  	        t2 = A.isNodeJs() ? self.process : _null;
  	        t3 = sassPath.split(J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "win32") ? ";" : ":");
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t4; ++_i) {
  	          path = t3[_i];
  	          t1.push(new A.FilesystemImporter0($.$get$context().absolute$15(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      }
  	      return t1;
  	    },
  	    AsyncImportCache0: function AsyncImportCache0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._async_import_cache0$_importers = t0;
  	      _._async_import_cache0$_canonicalizeCache = t1;
  	      _._async_import_cache0$_perImporterCanonicalizeCache = t2;
  	      _._async_import_cache0$_nonCanonicalRelativeUrls = t3;
  	      _._async_import_cache0$_importCache = t4;
  	      _._async_import_cache0$_resultsCache = t5;
  	      _._async_import_cache0$_loadTimes = t6;
  	    },
  	    AsyncImportCache_canonicalize_closure0: function AsyncImportCache_canonicalize_closure0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.baseImporter = t1;
  	      _.resolvedUrl = t2;
  	      _.baseUrl = t3;
  	      _.forImport = t4;
  	      _.key = t5;
  	      _.url = t6;
  	    },
  	    AsyncImportCache__canonicalize_closure0: function AsyncImportCache__canonicalize_closure0(t0, t1) {
  	      this.importer = t0;
  	      this.url = t1;
  	    },
  	    AsyncImportCache_importCanonical_closure0: function AsyncImportCache_importCanonical_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _.originalUrl = t3;
  	    },
  	    AsyncImportCache_humanize_closure3: function AsyncImportCache_humanize_closure3(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    AsyncImportCache_humanize_closure4: function AsyncImportCache_humanize_closure4() {
  	    },
  	    AsyncImportCache_humanize_closure5: function AsyncImportCache_humanize_closure5() {
  	    },
  	    AsyncImportCache_humanize_closure6: function AsyncImportCache_humanize_closure6(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    AtRootQueryParser0: function AtRootQueryParser0(t0, t1) {
  	      this.scanner = t0;
  	      this._parser1$_interpolationMap = t1;
  	    },
  	    AtRootQueryParser_parse_closure0: function AtRootQueryParser_parse_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    AtRootQuery0: function AtRootQuery0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.include = t0;
  	      _.names = t1;
  	      _._at_root_query0$_all = t2;
  	      _._at_root_query0$_rule = t3;
  	    },
  	    AtRootRule$0(children, span, query) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.AtRootRule0(query, span, t1, t2);
  	    },
  	    AtRootRule0: function AtRootRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.query = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    ModifiableCssAtRule$0($name, span, childless, value) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      return new A.ModifiableCssAtRule0($name, value, childless, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode_2), t1);
  	    },
  	    ModifiableCssAtRule0: function ModifiableCssAtRule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.isChildless = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _._node$_children = t5;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    AtRule$0($name, span, children, value) {
  	      var t1 = children == null ? null : A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = t1 == null ? null : B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.AtRule0($name, value, span, t1, t2 === true);
  	    },
  	    AtRule0: function AtRule0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    InterpolatedAttributeSelector: function InterpolatedAttributeSelector(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.op = t1;
  	      _.value = t2;
  	      _.modifier = t3;
  	      _.span = t4;
  	    },
  	    AttributeSelector0: function AttributeSelector0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.op = t1;
  	      _.value = t2;
  	      _.modifier = t3;
  	      _.span = t4;
  	    },
  	    AttributeOperator0: function AttributeOperator0(t0, t1, t2) {
  	      this._attribute0$_text = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    BinaryOperationExpression0: function BinaryOperationExpression0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.operator = t0;
  	      _.left = t1;
  	      _.right = t2;
  	      _.allowsSlash = t3;
  	    },
  	    BinaryOperator0: function BinaryOperator0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.precedence = t2;
  	      _.isAssociative = t3;
  	      _.index = t4;
  	      _._name = t5;
  	    },
  	    BooleanExpression0: function BooleanExpression0(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    booleanClass_closure: function booleanClass_closure() {
  	    },
  	    booleanClass__closure: function booleanClass__closure() {
  	    },
  	    legacyBooleanClass_closure: function legacyBooleanClass_closure() {
  	    },
  	    legacyBooleanClass__closure: function legacyBooleanClass__closure() {
  	    },
  	    legacyBooleanClass__closure0: function legacyBooleanClass__closure0() {
  	    },
  	    SassBoolean0: function SassBoolean0(t0) {
  	      this.value = t0;
  	    },
  	    BooleanOperator0: function BooleanOperator0(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    Box0: function Box0(t0, t1) {
  	      this._box0$_inner = t0;
  	      this.$ti = t1;
  	    },
  	    ModifiableBox0: function ModifiableBox0(t0, t1) {
  	      this.value = t0;
  	      this.$ti = t1;
  	    },
  	    BuiltInCallable$function0($name, parameters, callback, url) {
  	      return new A.BuiltInCallable0($name, A._setArrayType([new A._Record_2(A.ScssParser$0("@function " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), callback)], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2), false);
  	    },
  	    BuiltInCallable$mixin0($name, parameters, callback, acceptsContent, url) {
  	      return new A.BuiltInCallable0($name, A._setArrayType([new A._Record_2(A.ScssParser$0("@mixin " + $name + "(" + parameters + ") {", false, url).parseParameterList$0(), new A.BuiltInCallable$mixin_closure0(callback))], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2), acceptsContent);
  	    },
  	    BuiltInCallable$overloadedFunction0($name, overloads) {
  	      var t2, t3, t4, t5, t6, t7, args, callback,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2);
  	      for (t2 = type$.String, t3 = A.MapExtensions_get_pairs0(overloads, t2, type$.Value_Function_List_Value_2), t3 = t3.get$iterator(t3), t4 = "@function " + $name + "(", t5 = type$.FileSpan, t6 = type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2; t3.moveNext$0();) {
  	        t7 = t3.get$current(t3);
  	        args = t7._0;
  	        callback = t7._1;
  	        t1.push(new A._Record_2(new A.ScssParser0(false, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5), A._setArrayType([], t6), A.SpanScanner$(t4 + args + ") {", null), null).parseParameterList$0(), callback));
  	      }
  	      return new A.BuiltInCallable0($name, t1, false);
  	    },
  	    BuiltInCallable0: function BuiltInCallable0(t0, t1, t2) {
  	      this.name = t0;
  	      this._built_in$_overloads = t1;
  	      this.acceptsContent = t2;
  	    },
  	    BuiltInCallable$mixin_closure0: function BuiltInCallable$mixin_closure0(t0) {
  	      this.callback = t0;
  	    },
  	    BuiltInCallable_withDeprecationWarning_closure0: function BuiltInCallable_withDeprecationWarning_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.module = t2;
  	      _.newName = t3;
  	    },
  	    BuiltInModule$0($name, functions, mixins, variables, $T) {
  	      var t1 = A._Uri__Uri(null, $name, null, "sass"),
  	        t2 = A.BuiltInModule__callableMap0(functions, $T),
  	        t3 = A.BuiltInModule__callableMap0(mixins, $T),
  	        t4 = variables == null ? B.Map_empty15 : new A.UnmodifiableMapView(variables, type$.UnmodifiableMapView_String_Value_2);
  	      return new A.BuiltInModule0(t1, t2, t3, t4, $T._eval$1("BuiltInModule0<0>"));
  	    },
  	    BuiltInModule__callableMap0(callables, $T) {
  	      var t2, _i, callable,
  	        t1 = type$.String;
  	      if (callables == null)
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, $T);
  	      else {
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, $T);
  	        for (t2 = callables.length, _i = 0; _i < callables.length; callables.length === t2 || (0, A.throwConcurrentModificationError)(callables), ++_i) {
  	          callable = callables[_i];
  	          t1.$indexSet(0, callable.get$name(callable), callable);
  	        }
  	        t1 = new A.UnmodifiableMapView(t1, type$.$env_1_1_String._bind$1($T)._eval$1("UnmodifiableMapView<1,2>"));
  	      }
  	      return new A.UnmodifiableMapView(t1, type$.$env_1_1_String._bind$1($T)._eval$1("UnmodifiableMapView<1,2>"));
  	    },
  	    BuiltInModule0: function BuiltInModule0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.url = t0;
  	      _.functions = t1;
  	      _.mixins = t2;
  	      _.variables = t3;
  	      _.$ti = t4;
  	    },
  	    _assertCalculationValue(arg) {
  	      var t1;
  	      $label0$0: {
  	        if (!(arg instanceof A.SassNumber0))
  	          t1 = arg instanceof A.SassString0 && !arg._string0$_hasQuotes || arg instanceof A.SassCalculation0 || arg instanceof A.CalculationOperation0 || arg instanceof A.CalculationInterpolation;
  	        else
  	          t1 = true;
  	        if (t1) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow0(new self.Error("Argument `" + A.S(arg) + "` must be one of SassNumber, unquoted SassString, SassCalculation, CalculationOperation, CalculationInterpolation"));
  	      }
  	      return t1;
  	    },
  	    _isValidClampArg(arg) {
  	      var t1;
  	      $label0$0: {
  	        if (!(arg instanceof A.CalculationInterpolation))
  	          t1 = arg instanceof A.SassString0 && !arg._string0$_hasQuotes;
  	        else
  	          t1 = true;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    calculationClass_closure: function calculationClass_closure() {
  	    },
  	    calculationClass__closure: function calculationClass__closure() {
  	    },
  	    calculationClass__closure0: function calculationClass__closure0() {
  	    },
  	    calculationClass__closure1: function calculationClass__closure1() {
  	    },
  	    calculationClass__closure2: function calculationClass__closure2() {
  	    },
  	    calculationClass__closure3: function calculationClass__closure3() {
  	    },
  	    calculationClass__closure4: function calculationClass__closure4() {
  	    },
  	    calculationClass__closure5: function calculationClass__closure5() {
  	    },
  	    calculationOperationClass_closure: function calculationOperationClass_closure() {
  	    },
  	    calculationOperationClass__closure: function calculationOperationClass__closure() {
  	    },
  	    calculationOperationClass___closure: function calculationOperationClass___closure(t0) {
  	      this.strOperator = t0;
  	    },
  	    calculationOperationClass__closure0: function calculationOperationClass__closure0() {
  	    },
  	    calculationOperationClass__closure1: function calculationOperationClass__closure1() {
  	    },
  	    calculationOperationClass__closure2: function calculationOperationClass__closure2() {
  	    },
  	    calculationOperationClass__closure3: function calculationOperationClass__closure3() {
  	    },
  	    calculationOperationClass__closure4: function calculationOperationClass__closure4() {
  	    },
  	    calculationInterpolationClass_closure: function calculationInterpolationClass_closure() {
  	    },
  	    calculationInterpolationClass__closure: function calculationInterpolationClass__closure() {
  	    },
  	    calculationInterpolationClass__closure0: function calculationInterpolationClass__closure0() {
  	    },
  	    calculationInterpolationClass__closure1: function calculationInterpolationClass__closure1() {
  	    },
  	    calculationInterpolationClass__closure2: function calculationInterpolationClass__closure2() {
  	    },
  	    SassCalculation_calc0(argument) {
  	      var t1,
  	        _0_0 = A.SassCalculation__simplify0(argument);
  	      $label0$0: {
  	        if (_0_0 instanceof A.SassNumber0) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassCalculation0) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = new A.SassCalculation0("calc", A.List_List$unmodifiable([_0_0], type$.Object));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassCalculation_min0($arguments) {
  	      var minimum, _i, arg, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation0_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("min() must have at least one argument.", null));
  	      for (minimum = null, _i = 0; _i < t1; ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber0)
  	          t2 = minimum != null && !minimum.isComparableTo$1(arg);
  	        else
  	          t2 = true;
  	        if (t2) {
  	          minimum = null;
  	          break;
  	        } else if (minimum == null || minimum.greaterThan$1(arg).value)
  	          minimum = arg;
  	      }
  	      if (minimum != null)
  	        return minimum;
  	      A.SassCalculation__verifyCompatibleNumbers0(args);
  	      return new A.SassCalculation0("min", args);
  	    },
  	    SassCalculation_max0($arguments) {
  	      var maximum, _i, arg, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation0_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("max() must have at least one argument.", null));
  	      for (maximum = null, _i = 0; _i < t1; ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber0)
  	          t2 = maximum != null && !maximum.isComparableTo$1(arg);
  	        else
  	          t2 = true;
  	        if (t2) {
  	          maximum = null;
  	          break;
  	        } else if (maximum == null || maximum.lessThan$1(arg).value)
  	          maximum = arg;
  	      }
  	      if (maximum != null)
  	        return maximum;
  	      A.SassCalculation__verifyCompatibleNumbers0(args);
  	      return new A.SassCalculation0("max", args);
  	    },
  	    SassCalculation_hypot0($arguments) {
  	      var first, subtotal, i, number, value, t2,
  	        args = A.List_List$unmodifiable(new A.MappedListIterable($arguments, A.calculation0_SassCalculation__simplify$closure(), A._arrayInstanceType($arguments)._eval$1("MappedListIterable<1,@>")), type$.Object),
  	        t1 = args.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.ArgumentError$("hypot() must have at least one argument.", null));
  	      A.SassCalculation__verifyCompatibleNumbers0(args);
  	      first = B.JSArray_methods.get$first(args);
  	      if (!(first instanceof A.SassNumber0) || first.hasUnit$1("%"))
  	        return new A.SassCalculation0("hypot", args);
  	      for (subtotal = 0, i = 0; i < t1;) {
  	        number = args[i];
  	        if (!(number instanceof A.SassNumber0) || !number.hasCompatibleUnits$1(first))
  	          return new A.SassCalculation0("hypot", args);
  	        ++i;
  	        value = number.convertValueToMatch$3(first, "numbers[" + i + "]", "numbers[1]");
  	        subtotal += value * value;
  	      }
  	      t1 = Math.sqrt(subtotal);
  	      t2 = first.get$numeratorUnits(first);
  	      return A.SassNumber_SassNumber$withUnits0(t1, first.get$denominatorUnits(first), t2);
  	    },
  	    SassCalculation_abs0(argument) {
  	      argument = A.SassCalculation__simplify0(argument);
  	      if (!(argument instanceof A.SassNumber0))
  	        return new A.SassCalculation0("abs", A._setArrayType([argument], type$.JSArray_Object));
  	      if (argument.hasUnit$1("%"))
  	        A.warnForDeprecation0(string$.Passinp + argument.toString$0(0) + ")\nTo emit a CSS abs() now: abs(#{" + argument.toString$0(0) + string$.x7dx29_Mor, B.Deprecation_w3M);
  	      return A.SassNumber_SassNumber0(Math.abs(argument._number1$_value), null).coerceToMatch$1(argument);
  	    },
  	    SassCalculation_exp0(argument) {
  	      argument = A.SassCalculation__simplify0(argument);
  	      if (!(argument instanceof A.SassNumber0))
  	        return new A.SassCalculation0("exp", A._setArrayType([argument], type$.JSArray_Object));
  	      argument.assertNoUnits$0();
  	      return A.pow1(A.SassNumber_SassNumber0(2.718281828459045, null), argument);
  	    },
  	    SassCalculation_sign0(argument) {
  	      var t1, _0_2, t2, arg;
  	      argument = A.SassCalculation__simplify0(argument);
  	      $label0$0: {
  	        t1 = argument instanceof A.SassNumber0;
  	        if (t1) {
  	          _0_2 = argument._number1$_value;
  	          if (!isNaN(_0_2))
  	            t2 = 0 === _0_2;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          t1 = argument;
  	          break $label0$0;
  	        }
  	        if (t1) {
  	          t1 = !argument.hasUnit$1("%");
  	          arg = argument;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.SassNumber_SassNumber0(J.get$sign$in(arg._number1$_value), null).coerceToMatch$1(argument);
  	          break $label0$0;
  	        }
  	        t1 = new A.SassCalculation0("sign", A._setArrayType([argument], type$.JSArray_Object));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassCalculation_clamp0(min, value, max) {
  	      var t1, args;
  	      if (value == null && max != null)
  	        throw A.wrapException(A.ArgumentError$("If value is null, max must also be null.", null));
  	      min = A.SassCalculation__simplify0(min);
  	      value = A.NullableExtension_andThen0(value, A.calculation0_SassCalculation__simplify$closure());
  	      max = A.NullableExtension_andThen0(max, A.calculation0_SassCalculation__simplify$closure());
  	      if (min instanceof A.SassNumber0 && value instanceof A.SassNumber0 && max instanceof A.SassNumber0 && min.hasCompatibleUnits$1(value) && min.hasCompatibleUnits$1(max)) {
  	        if (value.lessThanOrEquals$1(min).value)
  	          return min;
  	        if (value.greaterThanOrEquals$1(max).value)
  	          return max;
  	        return value;
  	      }
  	      t1 = [min];
  	      if (value != null)
  	        t1.push(value);
  	      if (max != null)
  	        t1.push(max);
  	      args = A.List_List$unmodifiable(t1, type$.Object);
  	      A.SassCalculation__verifyCompatibleNumbers0(args);
  	      A.SassCalculation__verifyLength0(args, 3);
  	      return new A.SassCalculation0("clamp", args);
  	    },
  	    SassCalculation_pow0(base, exponent) {
  	      var t1 = A._setArrayType([base], type$.JSArray_Object);
  	      if (exponent != null)
  	        t1.push(exponent);
  	      A.SassCalculation__verifyLength0(t1, 2);
  	      base = A.SassCalculation__simplify0(base);
  	      exponent = A.NullableExtension_andThen0(exponent, A.calculation0_SassCalculation__simplify$closure());
  	      if (!(base instanceof A.SassNumber0) || !(exponent instanceof A.SassNumber0))
  	        return new A.SassCalculation0("pow", t1);
  	      base.assertNoUnits$0();
  	      exponent.assertNoUnits$0();
  	      return A.pow1(base, exponent);
  	    },
  	    SassCalculation_log0(number, base) {
  	      var t1, t2;
  	      number = A.SassCalculation__simplify0(number);
  	      base = A.NullableExtension_andThen0(base, A.calculation0_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([number], type$.JSArray_Object);
  	      t2 = base != null;
  	      if (t2)
  	        t1.push(base);
  	      if (number instanceof A.SassNumber0)
  	        t2 = t2 && !(base instanceof A.SassNumber0);
  	      else
  	        t2 = true;
  	      if (t2)
  	        return new A.SassCalculation0("log", t1);
  	      number.assertNoUnits$0();
  	      if (base instanceof A.SassNumber0) {
  	        base.assertNoUnits$0();
  	        return A.log0(number, base);
  	      }
  	      return A.log0(number, null);
  	    },
  	    SassCalculation_atan20(y, x) {
  	      var t1;
  	      y = A.SassCalculation__simplify0(y);
  	      x = A.NullableExtension_andThen0(x, A.calculation0_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([y], type$.JSArray_Object);
  	      if (x != null)
  	        t1.push(x);
  	      A.SassCalculation__verifyLength0(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers0(t1);
  	      if (!(y instanceof A.SassNumber0) || !(x instanceof A.SassNumber0) || y.hasUnit$1("%") || x.hasUnit$1("%") || !y.hasCompatibleUnits$1(x))
  	        return new A.SassCalculation0("atan2", t1);
  	      return A.SassNumber_SassNumber$withUnits0(Math.atan2(y._number1$_value, x.convertValueToMatch$3(y, "x", "y")) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    SassCalculation_rem0(dividend, modulus) {
  	      var t1, result;
  	      dividend = A.SassCalculation__simplify0(dividend);
  	      modulus = A.NullableExtension_andThen0(modulus, A.calculation0_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([dividend], type$.JSArray_Object);
  	      if (modulus != null)
  	        t1.push(modulus);
  	      A.SassCalculation__verifyLength0(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers0(t1);
  	      if (!(dividend instanceof A.SassNumber0) || !(modulus instanceof A.SassNumber0) || !dividend.hasCompatibleUnits$1(modulus))
  	        return new A.SassCalculation0("rem", t1);
  	      result = dividend.modulo$1(modulus);
  	      t1 = modulus._number1$_value;
  	      if (A.DoubleWithSignedZero_get_signIncludingZero0(t1) !== A.DoubleWithSignedZero_get_signIncludingZero0(dividend._number1$_value)) {
  	        if (t1 == 1 / 0 || t1 == -1 / 0)
  	          return dividend;
  	        if (result._number1$_value === 0)
  	          return result.unaryMinus$0();
  	        return result.minus$1(modulus);
  	      }
  	      return result;
  	    },
  	    SassCalculation_mod0(dividend, modulus) {
  	      var t1;
  	      dividend = A.SassCalculation__simplify0(dividend);
  	      modulus = A.NullableExtension_andThen0(modulus, A.calculation0_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([dividend], type$.JSArray_Object);
  	      if (modulus != null)
  	        t1.push(modulus);
  	      A.SassCalculation__verifyLength0(t1, 2);
  	      A.SassCalculation__verifyCompatibleNumbers0(t1);
  	      if (!(dividend instanceof A.SassNumber0) || !(modulus instanceof A.SassNumber0) || !dividend.hasCompatibleUnits$1(modulus))
  	        return new A.SassCalculation0("mod", t1);
  	      return dividend.modulo$1(modulus);
  	    },
  	    SassCalculation_roundInternal0(strategyOrNumber, numberOrStep, step, inLegacySassFunction, span, warn) {
  	      var _0_8_isSet, t2, _0_6_isSet, _0_6_isSet0, _0_14_isSet, _0_14, _0_12, _0_16, _0_18, _0_18_isSet, _0_20, _0_20_isSet, strategy, _0_9_isSet0, _0_16_isSet, t3, t4, _0_12_isSet, _0_12_isSet0, rest, _null = null, _s5_ = "round",
  	        _0_1 = A.SassCalculation__simplify0(strategyOrNumber),
  	        _0_6 = A.NullableExtension_andThen0(numberOrStep, A.calculation0_SassCalculation__simplify$closure()),
  	        _0_9 = A.NullableExtension_andThen0(step, A.calculation0_SassCalculation__simplify$closure()),
  	        _0_8 = _null,
  	        _0_60 = _null,
  	        _0_10 = _null,
  	        _0_10_isSet = false,
  	        _0_90 = _null,
  	        _0_9_isSet = false,
  	        number = _null,
  	        t1 = false;
  	      if (_0_1 instanceof A.SassNumber0) {
  	        _0_8_isSet = !_0_1.get$hasUnits();
  	        if (_0_8_isSet) {
  	          _0_8 = _0_6 == null;
  	          t2 = _0_8;
  	          if (t2) {
  	            _0_10 = _0_9 == null;
  	            t1 = _0_10;
  	            _0_90 = _0_9;
  	            _0_10_isSet = true;
  	            _0_9_isSet = true;
  	          }
  	          _0_60 = _0_6;
  	          number = _0_1;
  	        }
  	        _0_6_isSet = _0_8_isSet;
  	      } else {
  	        _0_8_isSet = false;
  	        _0_6_isSet = false;
  	      }
  	      if (t1)
  	        return A.SassNumber_SassNumber0(B.JSNumber_methods.round$0(number._number1$_value), _null);
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber0) {
  	        if (_0_8_isSet)
  	          t2 = _0_8;
  	        else {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_60 = t2;
  	            _0_6_isSet = true;
  	          }
  	          _0_8 = t2 == null;
  	          t2 = _0_8;
  	          _0_8_isSet = true;
  	        }
  	        if (t2) {
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          t1 = t1 && inLegacySassFunction != null;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        warn.call$2(string$.In_fut, B.Deprecation_SGB);
  	        t1 = B.JSNumber_methods.round$0(number._number1$_value);
  	        t2 = number.get$numeratorUnits(number);
  	        return A.SassNumber_SassNumber$withUnits0(t1, number.get$denominatorUnits(number), t2);
  	      }
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber0) {
  	        _0_6_isSet0 = true;
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t2;
  	        }
  	        if (t2 instanceof A.SassNumber0) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          type$.SassNumber_2._as(t2);
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          t1 = t1 && !_0_1.hasCompatibleUnits$1(t2);
  	          step = t2;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        t1 = type$.JSArray_Object;
  	        A.SassCalculation__verifyCompatibleNumbers0(A._setArrayType([number, step], t1));
  	        return new A.SassCalculation0(_s5_, A._setArrayType([number, step], t1));
  	      }
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassNumber0) {
  	        _0_6_isSet0 = true;
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t2;
  	        }
  	        if (t2 instanceof A.SassNumber0) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          type$.SassNumber_2._as(t2);
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_90 = t1;
  	              _0_9_isSet = true;
  	            }
  	            _0_10 = t1 == null;
  	            t1 = _0_10;
  	            _0_10_isSet = true;
  	          }
  	          step = t2;
  	        }
  	        number = _0_1;
  	      } else
  	        number = _null;
  	      if (t1) {
  	        A.SassCalculation__verifyCompatibleNumbers0(A._setArrayType([number, step], type$.JSArray_Object));
  	        return A.SassCalculation__roundWithStep0("nearest", number, step);
  	      }
  	      _0_14_isSet = _0_1 instanceof A.SassString0;
  	      _0_14 = _null;
  	      _0_12 = _null;
  	      _0_16 = _null;
  	      _0_18 = _null;
  	      _0_18_isSet = false;
  	      _0_20 = _null;
  	      _0_20_isSet = false;
  	      strategy = _null;
  	      number = _null;
  	      step = _null;
  	      t1 = false;
  	      if (_0_14_isSet) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        _0_12 = _0_1._string0$_text;
  	        t2 = _0_12;
  	        _0_14 = "nearest" === t2;
  	        t2 = _0_14;
  	        _0_16_isSet = !t2;
  	        t2 = true;
  	        if (_0_16_isSet) {
  	          _0_16 = "up" === _0_12;
  	          t3 = _0_16;
  	          _0_18_isSet = !t3;
  	          if (_0_18_isSet) {
  	            _0_18 = "down" === _0_12;
  	            t3 = _0_18;
  	            _0_20_isSet = !t3;
  	            if (_0_20_isSet) {
  	              _0_20 = "to-zero" === _0_12;
  	              t2 = _0_20;
  	            }
  	          }
  	        }
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassNumber0) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            t3 = type$.SassNumber_2;
  	            t3._as(t2);
  	            if (_0_9_isSet)
  	              t4 = _0_90;
  	            else {
  	              t4 = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = t4;
  	            }
  	            if (t4 instanceof A.SassNumber0) {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_9_isSet = _0_9_isSet0;
  	                _0_90 = t1;
  	              }
  	              t3._as(t1);
  	              t3 = !t2.hasCompatibleUnits$1(t1);
  	              step = t1;
  	              t1 = t3;
  	            }
  	            number = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      } else
  	        _0_16_isSet = false;
  	      if (t1) {
  	        t1 = type$.JSArray_Object;
  	        A.SassCalculation__verifyCompatibleNumbers0(A._setArrayType([number, step], t1));
  	        return new A.SassCalculation0(_s5_, A._setArrayType([strategy, number, step], t1));
  	      }
  	      strategy = _null;
  	      number = _null;
  	      step = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString0) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        _0_12_isSet = true;
  	        if (_0_14_isSet) {
  	          t2 = _0_14;
  	          _0_12_isSet0 = _0_14_isSet;
  	        } else {
  	          _0_12 = _0_1._string0$_text;
  	          t2 = _0_12;
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_12_isSet0 = _0_12_isSet;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet0)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string0$_text;
  	              t2 = _0_12;
  	              _0_12_isSet0 = _0_12_isSet;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet0)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string0$_text;
  	                t2 = _0_12;
  	                _0_12_isSet0 = _0_12_isSet;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet) {
  	                t2 = _0_20;
  	                _0_12_isSet = _0_12_isSet0;
  	              } else {
  	                if (_0_12_isSet0) {
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                } else {
  	                  _0_12 = _0_1._string0$_text;
  	                  t2 = _0_12;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else {
  	              t2 = t3;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	          } else {
  	            t2 = t3;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	        } else {
  	          t2 = t3;
  	          _0_12_isSet = _0_12_isSet0;
  	        }
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassNumber0) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            t3 = type$.SassNumber_2;
  	            t3._as(t2);
  	            if (_0_9_isSet)
  	              t1 = _0_90;
  	            else {
  	              t1 = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = t1;
  	            }
  	            t1 = t1 instanceof A.SassNumber0;
  	            if (t1) {
  	              if (_0_9_isSet)
  	                t4 = _0_90;
  	              else {
  	                t4 = _0_9;
  	                _0_9_isSet = _0_9_isSet0;
  	                _0_90 = t4;
  	              }
  	              t3._as(t4);
  	              step = t4;
  	            }
  	            number = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      } else
  	        _0_12_isSet = _0_14_isSet;
  	      if (t1) {
  	        A.SassCalculation__verifyCompatibleNumbers0(A._setArrayType([number, step], type$.JSArray_Object));
  	        return A.SassCalculation__roundWithStep0(strategy._string0$_text, number, step);
  	      }
  	      strategy = _null;
  	      rest = _null;
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString0) {
  	        _0_6_isSet0 = true;
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string0$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string0$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string0$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string0$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = t2;
  	          }
  	          if (t2 instanceof A.SassString0) {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t2;
  	            }
  	            type$.SassString_2._as(t2);
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	            rest = t2;
  	          }
  	          strategy = _0_1;
  	        }
  	      }
  	      if (t1)
  	        return new A.SassCalculation0(_s5_, A._setArrayType([strategy, rest], type$.JSArray_Object));
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString0) {
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string0$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string0$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string0$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string0$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_6_isSet)
  	            t2 = _0_60;
  	          else {
  	            t2 = _0_6;
  	            _0_60 = t2;
  	            _0_6_isSet = true;
  	          }
  	          if (t2 != null)
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	        }
  	      }
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$0(string$.If_str, _null));
  	      t1 = false;
  	      if (_0_1 instanceof A.SassString0) {
  	        _0_12_isSet0 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string0$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = _0_12_isSet0;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	          _0_14_isSet = true;
  	        }
  	        t3 = true;
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string0$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = _0_12_isSet0;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	            _0_16_isSet = true;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string0$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = _0_12_isSet0;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	              _0_18_isSet = true;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t2 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t2 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string0$_text;
  	                  t2 = _0_12;
  	                  _0_12_isSet = _0_12_isSet0;
  	                }
  	                _0_20 = "to-zero" === t2;
  	                t2 = _0_20;
  	                _0_20_isSet = true;
  	              }
  	            else
  	              t2 = t3;
  	          } else
  	            t2 = t3;
  	        } else
  	          t2 = t3;
  	        if (t2) {
  	          if (_0_8_isSet)
  	            t2 = _0_8;
  	          else {
  	            if (_0_6_isSet)
  	              t2 = _0_60;
  	            else {
  	              t2 = _0_6;
  	              _0_60 = t2;
  	              _0_6_isSet = true;
  	            }
  	            _0_8 = t2 == null;
  	            t2 = _0_8;
  	            _0_8_isSet = true;
  	          }
  	          if (t2)
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_9_isSet)
  	                t1 = _0_90;
  	              else {
  	                t1 = _0_9;
  	                _0_90 = t1;
  	                _0_9_isSet = true;
  	              }
  	              _0_10 = t1 == null;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	        }
  	      }
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$0(string$.Number, _null));
  	      t1 = false;
  	      if (_0_8_isSet)
  	        t2 = _0_8;
  	      else {
  	        if (_0_6_isSet)
  	          t2 = _0_60;
  	        else {
  	          t2 = _0_6;
  	          _0_60 = t2;
  	          _0_6_isSet = true;
  	        }
  	        _0_8 = t2 == null;
  	        t2 = _0_8;
  	      }
  	      if (t2)
  	        if (_0_10_isSet)
  	          t1 = _0_10;
  	        else {
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_90 = t1;
  	            _0_9_isSet = true;
  	          }
  	          _0_10 = t1 == null;
  	          t1 = _0_10;
  	          _0_10_isSet = true;
  	        }
  	      if (t1)
  	        return new A.SassCalculation0(_s5_, A._setArrayType([_0_1], type$.JSArray_Object));
  	      step = _null;
  	      t1 = false;
  	      _0_6_isSet0 = true;
  	      if (_0_6_isSet)
  	        t2 = _0_60;
  	      else {
  	        t2 = _0_6;
  	        _0_6_isSet = _0_6_isSet0;
  	        _0_60 = t2;
  	      }
  	      if (t2 != null) {
  	        if (_0_6_isSet)
  	          step = _0_60;
  	        else {
  	          step = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = step;
  	        }
  	        if (step == null)
  	          step = A._asObject(step);
  	        if (_0_10_isSet)
  	          t1 = _0_10;
  	        else {
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_90 = t1;
  	            _0_9_isSet = true;
  	          }
  	          _0_10 = t1 == null;
  	          t1 = _0_10;
  	        }
  	      }
  	      if (t1)
  	        return new A.SassCalculation0(_s5_, A._setArrayType([_0_1, step], type$.JSArray_Object));
  	      if (_0_1 instanceof A.SassString0) {
  	        t1 = true;
  	        if (_0_14_isSet)
  	          t2 = _0_14;
  	        else {
  	          if (_0_12_isSet)
  	            t2 = _0_12;
  	          else {
  	            _0_12 = _0_1._string0$_text;
  	            t2 = _0_12;
  	            _0_12_isSet = true;
  	          }
  	          _0_14 = "nearest" === t2;
  	          t2 = _0_14;
  	        }
  	        if (!t2) {
  	          if (_0_16_isSet)
  	            t2 = _0_16;
  	          else {
  	            if (_0_12_isSet)
  	              t2 = _0_12;
  	            else {
  	              _0_12 = _0_1._string0$_text;
  	              t2 = _0_12;
  	              _0_12_isSet = true;
  	            }
  	            _0_16 = "up" === t2;
  	            t2 = _0_16;
  	          }
  	          if (!t2) {
  	            if (_0_18_isSet)
  	              t2 = _0_18;
  	            else {
  	              if (_0_12_isSet)
  	                t2 = _0_12;
  	              else {
  	                _0_12 = _0_1._string0$_text;
  	                t2 = _0_12;
  	                _0_12_isSet = true;
  	              }
  	              _0_18 = "down" === t2;
  	              t2 = _0_18;
  	            }
  	            if (!t2)
  	              if (_0_20_isSet)
  	                t1 = _0_20;
  	              else {
  	                if (_0_12_isSet)
  	                  t1 = _0_12;
  	                else {
  	                  _0_12 = _0_1._string0$_text;
  	                  t1 = _0_12;
  	                }
  	                _0_20 = "to-zero" === t1;
  	                t1 = _0_20;
  	              }
  	          }
  	        }
  	      } else
  	        t1 = false;
  	      if (!t1)
  	        if (_0_1 instanceof A.SassString0)
  	          t1 = _0_1.get$isSpecialVariable();
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      number = _null;
  	      step = _null;
  	      t2 = false;
  	      if (t1) {
  	        _0_6_isSet0 = true;
  	        _0_9_isSet0 = true;
  	        type$.SassString_2._as(_0_1);
  	        if (_0_6_isSet)
  	          t1 = _0_60;
  	        else {
  	          t1 = _0_6;
  	          _0_6_isSet = _0_6_isSet0;
  	          _0_60 = t1;
  	        }
  	        if (t1 != null) {
  	          if (_0_6_isSet)
  	            number = _0_60;
  	          else {
  	            number = _0_6;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_60 = number;
  	          }
  	          if (number == null)
  	            number = A._asObject(number);
  	          if (_0_9_isSet)
  	            t1 = _0_90;
  	          else {
  	            t1 = _0_9;
  	            _0_9_isSet = _0_9_isSet0;
  	            _0_90 = t1;
  	          }
  	          t1 = t1 != null;
  	          if (t1) {
  	            if (_0_9_isSet)
  	              step = _0_90;
  	            else {
  	              step = _0_9;
  	              _0_9_isSet = _0_9_isSet0;
  	              _0_90 = step;
  	            }
  	            if (step == null)
  	              step = A._asObject(step);
  	          }
  	        } else
  	          t1 = t2;
  	        strategy = _0_1;
  	      } else {
  	        t1 = t2;
  	        strategy = _null;
  	      }
  	      if (t1)
  	        return new A.SassCalculation0(_s5_, A._setArrayType([strategy, number, step], type$.JSArray_Object));
  	      t1 = false;
  	      if ((_0_6_isSet ? _0_60 : _0_6) != null)
  	        t1 = (_0_9_isSet ? _0_90 : _0_9) != null;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$0(A.S(strategyOrNumber) + string$.x20must_b, _null));
  	      t1 = A.SassScriptException$0("Invalid parameters.", _null);
  	      throw A.wrapException(t1);
  	    },
  	    SassCalculation_calcSize0(basis, value) {
  	      var t1 = type$.JSArray_Object,
  	        t2 = A._setArrayType([basis], t1);
  	      if (value != null)
  	        t2.push(value);
  	      A.SassCalculation__verifyLength0(t2, 2);
  	      basis = A.SassCalculation__simplify0(basis);
  	      value = A.NullableExtension_andThen0(value, A.calculation0_SassCalculation__simplify$closure());
  	      t1 = A._setArrayType([basis], t1);
  	      if (value != null)
  	        t1.push(value);
  	      return new A.SassCalculation0("calc-size", t1);
  	    },
  	    SassCalculation_operateInternal0(operator, left, right, inLegacySassFunction, simplify, warn) {
  	      var compatible, t1;
  	      if (!simplify)
  	        return new A.CalculationOperation0(operator, left, right);
  	      left = A.SassCalculation__simplify0(left);
  	      right = A.SassCalculation__simplify0(right);
  	      if (B.CalculationOperator_dpX0 === operator || B.CalculationOperator_KrC0 === operator) {
  	        if (left instanceof A.SassNumber0 && right instanceof A.SassNumber0) {
  	          compatible = left.hasCompatibleUnits$1(right);
  	          if (!compatible && inLegacySassFunction != null && left.isComparableTo$1(right)) {
  	            warn.call$2("In future versions of Sass, " + inLegacySassFunction + "() will be interpreted as the CSS " + inLegacySassFunction + string$.x28__cal + inLegacySassFunction + string$.x28__ins, B.Deprecation_SGB);
  	            compatible = true;
  	          }
  	          if (compatible)
  	            return operator === B.CalculationOperator_dpX0 ? left.plus$1(right) : left.minus$1(right);
  	        }
  	        A.SassCalculation__verifyCompatibleNumbers0(A._setArrayType([left, right], type$.JSArray_Object));
  	        if (right instanceof A.SassNumber0) {
  	          t1 = right._number1$_value;
  	          t1 = t1 < 0 && !A.fuzzyEquals0(t1, 0);
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          right = right.times$1(A.SassNumber_SassNumber0(-1, null));
  	          operator = operator === B.CalculationOperator_dpX0 ? B.CalculationOperator_KrC0 : B.CalculationOperator_dpX0;
  	        }
  	        return new A.CalculationOperation0(operator, left, right);
  	      } else if (left instanceof A.SassNumber0 && right instanceof A.SassNumber0)
  	        return operator === B.CalculationOperator_LPB0 ? left.times$1(right) : left.dividedBy$1(right);
  	      else
  	        return new A.CalculationOperation0(operator, left, right);
  	    },
  	    SassCalculation__roundWithStep0(strategy, number, step) {
  	      var _0_2, t1, _0_6, _0_8_isSet, _0_8, _0_9, _0_9_isSet, _0_11, _0_13, stepWithNumberUnit, t2, _null = null;
  	      if (!A.LinkedHashSet_LinkedHashSet$_literal(["nearest", "up", "down", "to-zero"], type$.String).contains$1(0, strategy))
  	        throw A.wrapException(A.ArgumentError$(strategy + string$.x20must_b, _null));
  	      _0_2 = number._number1$_value;
  	      if (_0_2 == 1 / 0 || _0_2 == -1 / 0) {
  	        t1 = step._number1$_value;
  	        t1 = t1 == 1 / 0 || t1 == -1 / 0;
  	      } else
  	        t1 = false;
  	      if (!t1) {
  	        t1 = step._number1$_value;
  	        t1 = t1 === 0 || isNaN(_0_2) || isNaN(t1);
  	      } else
  	        t1 = true;
  	      if (t1) {
  	        t1 = number.get$numeratorUnits(number);
  	        return A.SassNumber_SassNumber$withUnits0(0 / 0, number.get$denominatorUnits(number), t1);
  	      }
  	      if (_0_2 == 1 / 0 || _0_2 == -1 / 0)
  	        return number;
  	      t1 = step._number1$_value;
  	      if (t1 == 1 / 0 || t1 == -1 / 0) {
  	        $label0$0: {
  	          if (0 === _0_2) {
  	            t1 = number;
  	            break $label0$0;
  	          }
  	          _0_6 = "nearest" === strategy;
  	          t1 = _0_6;
  	          _0_8_isSet = !t1;
  	          _0_8 = _null;
  	          if (_0_8_isSet) {
  	            _0_8 = "to-zero" === strategy;
  	            t1 = _0_8;
  	          } else
  	            t1 = true;
  	          _0_9 = _null;
  	          if (t1) {
  	            _0_9 = _0_2 > 0;
  	            t1 = _0_9;
  	            _0_9_isSet = true;
  	          } else {
  	            _0_9_isSet = false;
  	            t1 = false;
  	          }
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (!_0_6)
  	            if (_0_8_isSet)
  	              t1 = _0_8;
  	            else {
  	              _0_8 = "to-zero" === strategy;
  	              t1 = _0_8;
  	            }
  	          else
  	            t1 = true;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(-0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          _0_11 = "up" === strategy;
  	          t1 = _0_11;
  	          if (t1)
  	            if (_0_9_isSet)
  	              t1 = _0_9;
  	            else {
  	              _0_9 = _0_2 > 0;
  	              t1 = _0_9;
  	            }
  	          else
  	            t1 = false;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(1 / 0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (_0_11) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(-0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          _0_13 = "down" === strategy;
  	          t1 = _0_13;
  	          if (t1)
  	            t1 = _0_2 < 0;
  	          else
  	            t1 = false;
  	          if (t1) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(-1 / 0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          if (_0_13) {
  	            t1 = number.get$numeratorUnits(number);
  	            t1 = A.SassNumber_SassNumber$withUnits0(0, number.get$denominatorUnits(number), t1);
  	            break $label0$0;
  	          }
  	          t1 = A.throwExpression(A.UnsupportedError$("Invalid argument: " + strategy + "."));
  	        }
  	        return t1;
  	      }
  	      stepWithNumberUnit = step.convertValueToMatch$1(number);
  	      $label1$1: {
  	        if ("nearest" === strategy) {
  	          t1 = B.JSNumber_methods.round$0(_0_2 / stepWithNumberUnit);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits0(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("up" === strategy) {
  	          t2 = _0_2 / stepWithNumberUnit;
  	          t1 = t1 < 0 ? B.JSNumber_methods.floor$0(t2) : B.JSNumber_methods.ceil$0(t2);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits0(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("down" === strategy) {
  	          t2 = _0_2 / stepWithNumberUnit;
  	          t1 = t1 < 0 ? B.JSNumber_methods.ceil$0(t2) : B.JSNumber_methods.floor$0(t2);
  	          t2 = number.get$numeratorUnits(number);
  	          t2 = A.SassNumber_SassNumber$withUnits0(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	          t1 = t2;
  	          break $label1$1;
  	        }
  	        if ("to-zero" === strategy) {
  	          t1 = _0_2 / stepWithNumberUnit;
  	          if (_0_2 < 0) {
  	            t1 = B.JSNumber_methods.ceil$0(t1);
  	            t2 = number.get$numeratorUnits(number);
  	            t2 = A.SassNumber_SassNumber$withUnits0(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	            t1 = t2;
  	          } else {
  	            t1 = B.JSNumber_methods.floor$0(t1);
  	            t2 = number.get$numeratorUnits(number);
  	            t2 = A.SassNumber_SassNumber$withUnits0(t1 * stepWithNumberUnit, number.get$denominatorUnits(number), t2);
  	            t1 = t2;
  	          }
  	          break $label1$1;
  	        }
  	        t1 = number.get$numeratorUnits(number);
  	        t1 = A.SassNumber_SassNumber$withUnits0(0 / 0, number.get$denominatorUnits(number), t1);
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    SassCalculation__simplify0(arg) {
  	      var t1, t2, _0_11_isSet, _0_15, _0_12, _0_16_isSet, text, _0_11, t3, _0_16, _0_12_isSet, _0_15_isSet, value, _null = null,
  	        _s32_ = " can't be used in a calculation.";
  	      $label0$0: {
  	        if (arg instanceof A.SassNumber0 || arg instanceof A.CalculationOperation0) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        if (arg instanceof A.CalculationInterpolation) {
  	          t1 = new A.SassString0("(" + arg._calculation0$_value + ")", false);
  	          break $label0$0;
  	        }
  	        t1 = arg instanceof A.SassString0;
  	        t2 = _null;
  	        if (t1 && !arg._string0$_hasQuotes) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        if (t1)
  	          A.throwExpression(A.SassScriptException$0("Quoted string " + arg.toString$0(0) + _s32_, _null));
  	        _0_11_isSet = arg instanceof A.SassCalculation0;
  	        _0_15 = _null;
  	        _0_12 = _null;
  	        _0_16_isSet = false;
  	        text = _null;
  	        t1 = false;
  	        if (_0_11_isSet) {
  	          _0_11 = "calc" === arg.name;
  	          if (_0_11) {
  	            _0_12 = arg.$arguments;
  	            _0_15 = _0_12.length === 1;
  	            t3 = _0_15;
  	            if (t3) {
  	              _0_16 = _0_12[0];
  	              t2 = _0_16;
  	              if (t2 instanceof A.SassString0) {
  	                type$.SassString_2._as(_0_16);
  	                if (!_0_16._string0$_hasQuotes) {
  	                  text = _0_16._string0$_text;
  	                  t1 = A.SassCalculation__needsParentheses0(text);
  	                }
  	              }
  	              _0_16_isSet = true;
  	            } else
  	              _0_16 = t2;
  	          } else
  	            _0_16 = t2;
  	          _0_12_isSet = _0_11;
  	          _0_15_isSet = _0_12_isSet;
  	        } else {
  	          _0_16 = t2;
  	          _0_11 = _null;
  	          _0_15_isSet = false;
  	          _0_12_isSet = false;
  	        }
  	        if (t1) {
  	          t1 = new A.SassString0("(" + A.S(text) + ")", false);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_11_isSet)
  	          if (_0_11)
  	            if (_0_15_isSet)
  	              t1 = _0_15;
  	            else {
  	              if (_0_12_isSet)
  	                t1 = _0_12;
  	              else {
  	                _0_12 = arg.$arguments;
  	                t1 = _0_12;
  	                _0_12_isSet = true;
  	              }
  	              _0_15 = t1.length === 1;
  	              t1 = _0_15;
  	            }
  	        if (t1) {
  	          if (_0_16_isSet)
  	            value = _0_16;
  	          else {
  	            _0_16 = (_0_12_isSet ? _0_12 : arg.$arguments)[0];
  	            value = _0_16;
  	          }
  	          t1 = value;
  	          break $label0$0;
  	        }
  	        if (_0_11_isSet) {
  	          t1 = arg;
  	          break $label0$0;
  	        }
  	        if (arg instanceof A.Value0)
  	          A.throwExpression(A.SassScriptException$0("Value " + arg.toString$0(0) + _s32_, _null));
  	        t1 = A.throwExpression(A.ArgumentError$("Unexpected calculation argument " + A.S(arg) + ".", _null));
  	      }
  	      return t1;
  	    },
  	    SassCalculation__needsParentheses0(text) {
  	      var t1, couldBeVar, second, third, fourth, i, t2,
  	        first = text.charCodeAt(0);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47 || first === 42)
  	        return true;
  	      t1 = text.length;
  	      couldBeVar = t1 >= 4 && A.characterEqualsIgnoreCase0(first, 118);
  	      if (t1 < 2)
  	        return false;
  	      second = text.charCodeAt(1);
  	      if (second === 32 || second === 9 || second === 10 || second === 13 || second === 12 || second === 47 || second === 42)
  	        return true;
  	      couldBeVar = couldBeVar && A.characterEqualsIgnoreCase0(second, 97);
  	      if (t1 < 3)
  	        return false;
  	      third = text.charCodeAt(2);
  	      if (third === 32 || third === 9 || third === 10 || third === 13 || third === 12 || third === 47 || third === 42)
  	        return true;
  	      couldBeVar = couldBeVar && A.characterEqualsIgnoreCase0(third, 114);
  	      if (t1 < 4)
  	        return false;
  	      fourth = text.charCodeAt(3);
  	      if (couldBeVar && fourth === 40)
  	        return true;
  	      if (fourth === 32 || fourth === 9 || fourth === 10 || fourth === 13 || fourth === 12 || fourth === 47 || fourth === 42)
  	        return true;
  	      for (i = 4; i < t1; ++i) {
  	        t2 = text.charCodeAt(i);
  	        if (t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12 || t2 === 47 || t2 === 42)
  	          return true;
  	      }
  	      return false;
  	    },
  	    SassCalculation__verifyCompatibleNumbers0(args) {
  	      var t1, _i, t2, arg, i, number1, j, number2;
  	      for (t1 = args.length, _i = 0; t2 = args.length, _i < t2; args.length === t1 || (0, A.throwConcurrentModificationError)(args), ++_i) {
  	        arg = args[_i];
  	        if (arg instanceof A.SassNumber0 && arg.get$hasComplexUnits())
  	          throw A.wrapException(A.SassScriptException$0("Number " + arg.toString$0(0) + " isn't compatible with CSS calculations.", null));
  	      }
  	      for (t1 = t2, i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber0))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber0))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          throw A.wrapException(A.SassScriptException$0(number1.toString$0(0) + " and " + number2.toString$0(0) + " are incompatible.", null));
  	        }
  	      }
  	    },
  	    SassCalculation__verifyLength0(args, expectedLength) {
  	      var t1;
  	      if (args.length === expectedLength)
  	        return;
  	      if (B.JSArray_methods.any$1(args, new A.SassCalculation__verifyLength_closure0()))
  	        return;
  	      t1 = args.length;
  	      throw A.wrapException(A.SassScriptException$0("" + expectedLength + " arguments required, but only " + t1 + " " + A.pluralize0("was", t1, "were") + " passed.", null));
  	    },
  	    SassCalculation__singleArgument0($name, argument, mathFunc, forbidUnits) {
  	      argument = A.SassCalculation__simplify0(argument);
  	      if (!(argument instanceof A.SassNumber0))
  	        return new A.SassCalculation0($name, A._setArrayType([argument], type$.JSArray_Object));
  	      if (forbidUnits)
  	        argument.assertNoUnits$0();
  	      return mathFunc.call$1(argument);
  	    },
  	    SassCalculation0: function SassCalculation0(t0, t1) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	    },
  	    SassCalculation__verifyLength_closure0: function SassCalculation__verifyLength_closure0() {
  	    },
  	    CalculationOperation0: function CalculationOperation0(t0, t1, t2) {
  	      this._calculation0$_operator = t0;
  	      this._calculation0$_left = t1;
  	      this._calculation0$_right = t2;
  	    },
  	    CalculationOperator0: function CalculationOperator0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.precedence = t2;
  	      _.index = t3;
  	      _._name = t4;
  	    },
  	    CalculationInterpolation: function CalculationInterpolation(t0) {
  	      this._calculation0$_value = t0;
  	    },
  	    CallableDeclaration0: function CallableDeclaration0() {
  	    },
  	    updateCanonicalizeContextPrototype() {
  	      var t1 = type$.JSClass._as(new A.CanonicalizeContext0(false, null).constructor);
  	      A.LinkedHashMap_LinkedHashMap$_literal(["fromImport", new A.updateCanonicalizeContextPrototype_closure(), "containingUrl", new A.updateCanonicalizeContextPrototype_closure0()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineGetter(t1));
  	      return null;
  	    },
  	    updateCanonicalizeContextPrototype_closure: function updateCanonicalizeContextPrototype_closure() {
  	    },
  	    updateCanonicalizeContextPrototype_closure0: function updateCanonicalizeContextPrototype_closure0() {
  	    },
  	    CanonicalizeContext0: function CanonicalizeContext0(t0, t1) {
  	      this._canonicalize_context$_fromImport = t0;
  	      this._canonicalize_context$_containingUrl = t1;
  	      this._canonicalize_context$_wasContainingUrlAccessed = false;
  	    },
  	    ColorChannel0: function ColorChannel0(t0, t1, t2) {
  	      this.name = t0;
  	      this.isPolarAngle = t1;
  	      this.associatedUnit = t2;
  	    },
  	    LinearChannel0: function LinearChannel0(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.min = t0;
  	      _.max = t1;
  	      _.requiresPercent = t2;
  	      _.lowerClamped = t3;
  	      _.upperClamped = t4;
  	      _.name = t5;
  	      _.isPolarAngle = t6;
  	      _.associatedUnit = t7;
  	    },
  	    Chokidar0: function Chokidar0() {
  	    },
  	    ChokidarOptions0: function ChokidarOptions0() {
  	    },
  	    ChokidarWatcher0: function ChokidarWatcher0() {
  	    },
  	    InterpolatedClassSelector: function InterpolatedClassSelector(t0) {
  	      this.name = t0;
  	    },
  	    ClassSelector0: function ClassSelector0(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    ClipGamutMap0: function ClipGamutMap0(t0) {
  	      this.name = t0;
  	    },
  	    cloneCssStylesheet0(stylesheet, extensionStore) {
  	      var _0_0 = extensionStore.clone$0();
  	      return new A._Record_2(new A._CloneCssVisitor0(_0_0._1)._clone_css$_visitChildren$2(A.ModifiableCssStylesheet$0(stylesheet.get$span(stylesheet)), stylesheet), _0_0._0);
  	    },
  	    _CloneCssVisitor0: function _CloneCssVisitor0(t0) {
  	      this._clone_css$_oldToNewSelectors = t0;
  	    },
  	    ColorExpression0: function ColorExpression0(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    _invert0($arguments, global) {
  	      var t2, color, rgb, channel2, space, weight, inSpace, t3, _1_9, channel0, channel1, t4, _s6_ = "weight", _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        weightNumber = t1.$index($arguments, 1).assertNumber$1(_s6_);
  	      if (!(t1.$index($arguments, 0) instanceof A.SassNumber0))
  	        t2 = global && t1.$index($arguments, 0).get$isSpecialNumber();
  	      else
  	        t2 = true;
  	      if (t2) {
  	        if (weightNumber._number1$_value !== 100 || !weightNumber.hasUnit$1("%"))
  	          throw A.wrapException(string$.Only_oa);
  	        return A._functionString0("invert", t1.take$1($arguments, 1));
  	      }
  	      color = t1.$index($arguments, 0).assertColor$1("color");
  	      if (t1.$index($arguments, 2).$eq(0, B.C__SassNull0)) {
  	        t1 = color._color0$_space;
  	        if (!t1.get$isLegacyInternal())
  	          throw A.wrapException(A.SassScriptException$0(string$.To_usei + color.toString$0(0) + ", you must provide a $space.", "color"));
  	        A._checkPercent0(weightNumber, _s6_);
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P0);
  	        channel2 = B.LinearChannel_vJ30;
  	        return A._mixLegacy0(A.SassColor_SassColor$rgbInternal0(A._invertChannel0(rgb, B.LinearChannel_qXC0, rgb.channel0OrNull), A._invertChannel0(rgb, B.LinearChannel_Z5r0, rgb.channel1OrNull), A._invertChannel0(rgb, channel2, rgb.channel2OrNull), color.alphaOrNull, null), color, weightNumber).toSpace$1(t1);
  	      }
  	      t1 = t1.$index($arguments, 2).assertString$1(_s5_);
  	      t1.assertUnquoted$1(_s5_);
  	      space = A.ColorSpace_fromName0(t1._string0$_text, _s5_);
  	      weight = weightNumber.valueInRangeWithUnit$4(0, 100, _s6_, "%") / 100;
  	      if (A.fuzzyEquals0(weight, 0))
  	        return color;
  	      inSpace = color.toSpace$1(space);
  	      $label0$0: {
  	        if (B.HwbColorSpace_guQ0 === space) {
  	          t1 = A._invertChannel0(inSpace, space._space$_channels[0], inSpace.channel0OrNull);
  	          t2 = inSpace.alphaOrNull;
  	          if (t2 == null)
  	            t2 = 0;
  	          t2 = A.SassColor_SassColor$hwb0(t1, inSpace.channel2OrNull, inSpace.channel1OrNull, t2);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.HslColorSpace_JQ20 === space || B.LchColorSpace_Bpv0 === space || B.OklchColorSpace_9Gj0 === space) {
  	          t1 = space._space$_channels;
  	          t2 = A._invertChannel0(inSpace, t1[0], inSpace.channel0OrNull);
  	          t1 = A._invertChannel0(inSpace, t1[2], inSpace.channel2OrNull);
  	          t3 = inSpace.alphaOrNull;
  	          if (t3 == null)
  	            t3 = 0;
  	          t3 = A.SassColor_SassColor$forSpaceInternal0(space, t2, inSpace.channel1OrNull, t1, t3);
  	          t1 = t3;
  	          break $label0$0;
  	        }
  	        _1_9 = space._space$_channels;
  	        channel0 = _1_9[0];
  	        channel1 = _1_9[1];
  	        channel2 = _1_9[2];
  	        t1 = A._invertChannel0(inSpace, channel0, inSpace.channel0OrNull);
  	        t2 = A._invertChannel0(inSpace, channel1, inSpace.channel1OrNull);
  	        t3 = A._invertChannel0(inSpace, channel2, inSpace.channel2OrNull);
  	        t4 = inSpace.alphaOrNull;
  	        t1 = A.SassColor_SassColor$forSpaceInternal0(space, t1, t2, t3, t4 == null ? 0 : t4);
  	        break $label0$0;
  	      }
  	      return A.fuzzyEquals0(weight, 1) ? t1.toSpace$2$legacyMissing(color._color0$_space, false) : color.interpolate$4$legacyMissing$weight(t1, A.InterpolationMethod$0(space, null), false, 1 - weight);
  	    },
  	    _invertChannel0(color, channel, value) {
  	      var _0_2_isSet, _0_2, t1;
  	      if (value == null)
  	        A._missingChannelError0(color, channel.name);
  	      $label0$0: {
  	        _0_2_isSet = channel instanceof A.LinearChannel0;
  	        _0_2 = null;
  	        if (_0_2_isSet) {
  	          _0_2 = channel.min;
  	          t1 = _0_2;
  	          t1 = t1 < 0;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = -value;
  	          break $label0$0;
  	        }
  	        if (_0_2_isSet)
  	          t1 = 0 === _0_2;
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = channel.max - value;
  	          break $label0$0;
  	        }
  	        if (channel.isPolarAngle) {
  	          t1 = B.JSNumber_methods.$mod(value + 180, 360);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("Unknown channel " + channel.toString$0(0) + "."));
  	      }
  	      return t1;
  	    },
  	    _grayscale0(colorArg) {
  	      var hsl, t2, oklch,
  	        color = colorArg.assertColor$1("color"),
  	        t1 = color._color0$_space;
  	      if (t1.get$isLegacyInternal()) {
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ20);
  	        t2 = hsl.alphaOrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        return A.SassColor_SassColor$hsl0(hsl.channel0OrNull, 0, hsl.channel2OrNull, t2).toSpace$2$legacyMissing(t1, false);
  	      } else {
  	        oklch = color.toSpace$1(B.OklchColorSpace_9Gj0);
  	        t2 = oklch.alphaOrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        return A.SassColor_SassColor$forSpaceInternal0(B.OklchColorSpace_9Gj0, oklch.channel0OrNull, 0, oklch.channel2OrNull, t2).toSpace$1(t1);
  	      }
  	    },
  	    _updateComponents0($arguments, adjust, change, scale) {
  	      var t2, t3, keywords, originalColor, spaceKeyword, alphaArg, color, channelArgs, channelInfo, t4, value, channelIndex, result, i, alphaNumber, _null = null, _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        argumentList = type$.SassArgumentList_2._as(t1.$index($arguments, 1));
  	      if (argumentList._list1$_contents.length !== 0)
  	        throw A.wrapException(A.SassScriptException$0(string$.Only_op, _null));
  	      argumentList._argument_list$_wereKeywordsAccessed = true;
  	      t2 = type$.String;
  	      t3 = type$.Value_2;
  	      keywords = A.LinkedHashMap_LinkedHashMap$of(argumentList._argument_list$_keywords, t2, t3);
  	      originalColor = t1.$index($arguments, 0).assertColor$1("color");
  	      t1 = keywords.remove$1(0, _s5_);
  	      spaceKeyword = t1 == null ? _null : t1.assertString$1(_s5_);
  	      if (spaceKeyword == null)
  	        spaceKeyword = _null;
  	      else
  	        spaceKeyword.assertUnquoted$1(_s5_);
  	      alphaArg = keywords.remove$1(0, "alpha");
  	      t1 = spaceKeyword == null;
  	      if (t1 && originalColor._color0$_space.get$isLegacyInternal() && keywords.__js_helper$_length !== 0) {
  	        t1 = A.NullableExtension_andThen0(A._sniffLegacyColorSpace0(keywords), new A._updateComponents_closure1(originalColor));
  	        color = t1 == null ? originalColor : t1;
  	      } else
  	        color = A._colorInSpace0(originalColor, t1 ? B.C__SassNull0 : spaceKeyword, true);
  	      channelArgs = A.List_List$filled(color.get$channels().length, _null, false, type$.nullable_Value_2);
  	      t1 = color._color0$_space;
  	      channelInfo = t1._space$_channels;
  	      for (t2 = A.MapExtensions_get_pairs0(keywords, t2, t3), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = {};
  	        t4 = t2.get$current(t2);
  	        t3.name = null;
  	        t3.name = t4._0;
  	        value = t4._1;
  	        channelIndex = B.JSArray_methods.indexWhere$1(channelInfo, new A._updateComponents_closure2(t3));
  	        if (channelIndex === -1)
  	          throw A.wrapException(A.SassScriptException$0("Color space " + t1.toString$0(0) + " doesn't have a channel with this name.", t3.name));
  	        channelArgs[channelIndex] = value;
  	      }
  	      if (change)
  	        result = A._changeColor0(color, channelArgs, alphaArg);
  	      else {
  	        t2 = A._setArrayType([], type$.JSArray_nullable_SassNumber_2);
  	        for (i = 0; i < 3; ++i) {
  	          t3 = channelArgs[i];
  	          t2.push(t3 == null ? _null : t3.assertNumber$1(channelInfo[i].name));
  	        }
  	        alphaNumber = alphaArg == null ? _null : alphaArg.assertNumber$1("alpha");
  	        result = scale ? A.SassColor_SassColor$forSpaceInternal0(t1, A._scaleChannel0(color, channelInfo[0], color.channel0OrNull, t2[0]), A._scaleChannel0(color, channelInfo[1], color.channel1OrNull, t2[1]), A._scaleChannel0(color, channelInfo[2], color.channel2OrNull, t2[2]), A._scaleChannel0(color, B.LinearChannel_XL80, color.alphaOrNull, alphaNumber)) : A._adjustColor0(color, t2, alphaNumber);
  	      }
  	      return result.toSpace$2$legacyMissing(originalColor._color0$_space, false);
  	    },
  	    _changeColor0(color, channelArgs, alphaArg) {
  	      var t4, _s5_ = "alpha",
  	        t1 = A._channelForChange0(channelArgs[0], color, 0),
  	        t2 = A._channelForChange0(channelArgs[1], color, 1),
  	        t3 = A._channelForChange0(channelArgs[2], color, 2);
  	      $label0$0: {
  	        if (alphaArg == null) {
  	          t4 = color.alphaOrNull;
  	          if (t4 == null)
  	            t4 = 0;
  	          break $label0$0;
  	        }
  	        t4 = A._isNone0(alphaArg);
  	        if (t4) {
  	          t4 = null;
  	          break $label0$0;
  	        }
  	        t4 = alphaArg instanceof A.SassNumber0;
  	        if (t4 && !alphaArg.get$hasUnits()) {
  	          t4 = alphaArg.valueInRange$3(0, 1, _s5_);
  	          break $label0$0;
  	        }
  	        if (t4 && alphaArg.hasUnit$1("%")) {
  	          t4 = alphaArg.valueInRangeWithUnit$4(0, 100, _s5_, "%") / 100;
  	          break $label0$0;
  	        }
  	        if (t4) {
  	          t4 = new A._changeColor_closure0(alphaArg).call$0();
  	          break $label0$0;
  	        }
  	        t4 = A.throwExpression(A.SassScriptException$0(alphaArg.toString$0(0) + ' is not a number or unquoted "none".', _s5_));
  	      }
  	      return A._colorFromChannels0(color._color0$_space, t1, t2, t3, t4, false, false);
  	    },
  	    _channelForChange0(channelArg, color, channel) {
  	      var _0_0, t1, t2;
  	      if (channelArg == null) {
  	        _0_0 = color.get$channelsOrNull()[channel];
  	        $label0$0: {
  	          if (_0_0 != null) {
  	            t1 = color._color0$_space;
  	            t2 = A.SassNumber_SassNumber0(_0_0, (t1 === B.HslColorSpace_JQ20 || t1 === B.HwbColorSpace_guQ0) && channel > 0 ? "%" : null);
  	            t1 = t2;
  	            break $label0$0;
  	          }
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        return t1;
  	      }
  	      if (A._isNone0(channelArg))
  	        return null;
  	      if (channelArg instanceof A.SassNumber0)
  	        return channelArg;
  	      throw A.wrapException(A.SassScriptException$0(channelArg.toString$0(0) + ' is not a number or unquoted "none".', color._color0$_space._space$_channels[channel].name));
  	    },
  	    _scaleChannel0(color, channel, oldValue, factorArg) {
  	      var t1, factor;
  	      if (factorArg == null)
  	        return oldValue;
  	      if (!(channel instanceof A.LinearChannel0))
  	        throw A.wrapException(A.SassScriptException$0("Channel isn't scalable.", channel.name));
  	      if (oldValue == null)
  	        A._missingChannelError0(color, channel.name);
  	      t1 = channel.name;
  	      factorArg.assertUnit$2("%", t1);
  	      factor = factorArg.valueInRangeWithUnit$4(-100, 100, t1, "%") / 100;
  	      $label0$0: {
  	        if (0 === factor) {
  	          t1 = oldValue;
  	          break $label0$0;
  	        }
  	        if (factor > 0) {
  	          t1 = channel.max;
  	          t1 = oldValue >= t1 ? oldValue : oldValue + (t1 - oldValue) * factor;
  	          break $label0$0;
  	        }
  	        t1 = channel.min;
  	        t1 = oldValue <= t1 ? oldValue : oldValue + (oldValue - t1) * factor;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _adjustColor0(color, channelArgs, alphaArg) {
  	      var t1 = color._color0$_space,
  	        t2 = t1._space$_channels;
  	      return A.SassColor_SassColor$forSpaceInternal0(t1, A._adjustChannel0(color, t2[0], color.channel0OrNull, channelArgs[0]), A._adjustChannel0(color, t2[1], color.channel1OrNull, channelArgs[1]), A._adjustChannel0(color, t2[2], color.channel2OrNull, channelArgs[2]), A.NullableExtension_andThen0(A._adjustChannel0(color, B.LinearChannel_XL80, color.alphaOrNull, alphaArg), new A._adjustColor_closure0()));
  	    },
  	    _adjustChannel0(color, channel, oldValue, adjustmentArg) {
  	      var _0_1, _0_3, t1, _0_6_isSet, _0_6, _0_6_isSet0, t2, _0_11, result, min, max, _null = null;
  	      if (adjustmentArg == null)
  	        return oldValue;
  	      if (oldValue == null)
  	        A._missingChannelError0(color, channel.name);
  	      $label0$0: {
  	        _0_1 = color._color0$_space;
  	        _0_3 = B.HslColorSpace_JQ20 === _0_1;
  	        t1 = _0_3;
  	        if (!t1)
  	          _0_6_isSet = B.HwbColorSpace_guQ0 === _0_1;
  	        else
  	          _0_6_isSet = true;
  	        if (_0_6_isSet) {
  	          t1 = channel.isPolarAngle;
  	          _0_6 = channel;
  	        } else {
  	          _0_6 = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          adjustmentArg = A.SassNumber_SassNumber0(A._angleValue0(adjustmentArg, "hue"), _null);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_3) {
  	          _0_6_isSet0 = true;
  	          if (_0_6_isSet)
  	            t2 = _0_6;
  	          else {
  	            t2 = channel;
  	            _0_6_isSet = _0_6_isSet0;
  	            _0_6 = t2;
  	          }
  	          if (t2 instanceof A.LinearChannel0) {
  	            if (_0_6_isSet)
  	              t1 = _0_6;
  	            else {
  	              t1 = channel;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_6 = t1;
  	            }
  	            _0_11 = type$.LinearChannel_2._as(t1).name;
  	            t1 = _0_11;
  	            if ("saturation" !== t1)
  	              t1 = "lightness" === _0_11;
  	            else
  	              t1 = true;
  	          }
  	        }
  	        if (t1) {
  	          A._checkPercent0(adjustmentArg, channel.name);
  	          adjustmentArg = A.SassNumber_SassNumber0(adjustmentArg._number1$_value, "%");
  	          break $label0$0;
  	        }
  	        if (B.LinearChannel_XL80 === (_0_6_isSet ? _0_6 : channel) && adjustmentArg.get$hasUnits()) {
  	          A.warnForDeprecation0("$alpha: Passing a number with unit " + adjustmentArg.get$unitString() + string$.x20is_de + adjustmentArg.unitSuggestion$1("alpha") + string$.x0a_Morex3af, B.Deprecation_PHd);
  	          adjustmentArg = A.SassNumber_SassNumber0(adjustmentArg._number1$_value, _null);
  	        }
  	      }
  	      t1 = A._channelFromValue0(channel, adjustmentArg, false);
  	      t1.toString;
  	      result = oldValue + t1;
  	      $label1$1: {
  	        t1 = channel instanceof A.LinearChannel0;
  	        min = _null;
  	        t2 = false;
  	        if (t1)
  	          if (channel.lowerClamped) {
  	            min = channel.min;
  	            t2 = result < min;
  	          }
  	        if (t2) {
  	          t1 = oldValue < min ? Math.max(oldValue, result) : min;
  	          break $label1$1;
  	        }
  	        max = _null;
  	        t2 = false;
  	        if (t1)
  	          if (channel.upperClamped) {
  	            max = channel.max;
  	            t1 = result > max;
  	          } else
  	            t1 = t2;
  	        else
  	          t1 = t2;
  	        if (t1) {
  	          t1 = oldValue > max ? Math.min(oldValue, result) : max;
  	          break $label1$1;
  	        }
  	        t1 = result;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    _sniffLegacyColorSpace0(keywords) {
  	      var t1, t2;
  	      for (t1 = new A.LinkedHashMapKeyIterator(keywords, keywords._modifications, keywords._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        if ("red" === t2 || "green" === t2 || "blue" === t2)
  	          return B.RgbColorSpace_i0P0;
  	        if ("saturation" === t2 || "lightness" === t2)
  	          return B.HslColorSpace_JQ20;
  	        if ("whiteness" === t2 || "blackness" === t2)
  	          return B.HwbColorSpace_guQ0;
  	      }
  	      return keywords.containsKey$1("hue") ? B.HslColorSpace_JQ20 : null;
  	    },
  	    _functionString0($name, $arguments) {
  	      return new A.SassString0($name + "(" + J.map$1$1$ax($arguments, new A._functionString_closure0(), type$.String).join$1(0, ", ") + ")", false);
  	    },
  	    _removedColorFunction0($name, argument, negative) {
  	      return A.BuiltInCallable$function0($name, "$color, $amount", new A._removedColorFunction_closure0($name, argument, negative), "sass:color");
  	    },
  	    _rgb0($name, $arguments) {
  	      var t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        alpha = t1.get$length($arguments) > 3 ? t1.$index($arguments, 3) : null,
  	        t2 = true;
  	      if (!t1.$index($arguments, 0).get$isSpecialNumber())
  	        if (!t1.$index($arguments, 1).get$isSpecialNumber())
  	          if (!t1.$index($arguments, 2).get$isSpecialNumber()) {
  	            t2 = alpha == null ? null : alpha.get$isSpecialNumber();
  	            t2 = t2 === true;
  	          }
  	      if (t2)
  	        return A._functionString0($name, $arguments);
  	      t2 = t1.$index($arguments, 0).assertNumber$1("red");
  	      t3 = t1.$index($arguments, 1).assertNumber$1("green");
  	      t1 = t1.$index($arguments, 2).assertNumber$1("blue");
  	      t4 = A.NullableExtension_andThen0(alpha, new A._rgb_closure0());
  	      return A._colorFromChannels0(B.RgbColorSpace_i0P0, t2, t3, t1, t4 == null ? 1 : t4, true, true);
  	    },
  	    _rgbTwoArg0($name, $arguments) {
  	      var t2, color,
  	        t1 = J.getInterceptor$asx($arguments),
  	        first = t1.$index($arguments, 0),
  	        second = t1.$index($arguments, 1);
  	      if (!first.get$isSpecialVariable())
  	        t2 = !(first instanceof A.SassColor0) && second.get$isSpecialVariable();
  	      else
  	        t2 = true;
  	      if (t2)
  	        return A._functionString0($name, $arguments);
  	      color = first.assertColor$1("color");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0("Expected " + color.toString$0(0) + string$.x20to_be_ + color.toString$0(0) + ", $alpha: " + second.toString$0(0) + ")", $name));
  	      color.assertLegacy$1("color");
  	      color = color.toSpace$1(B.RgbColorSpace_i0P0);
  	      if (second.get$isSpecialNumber())
  	        return A._functionString0($name, A._setArrayType([A.SassNumber_SassNumber0(color.channel$1(0, "red"), null), A.SassNumber_SassNumber0(color.channel$1(0, "green"), null), A.SassNumber_SassNumber0(color.channel$1(0, "blue"), null), t1.$index($arguments, 1)], type$.JSArray_Value_2));
  	      t1 = A._percentageOrUnitless0(t1.$index($arguments, 1).assertNumber$1("alpha"), 1, "alpha");
  	      return color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	    },
  	    _hsl0($name, $arguments) {
  	      var t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        alpha = t1.get$length($arguments) > 3 ? t1.$index($arguments, 3) : null,
  	        t2 = true;
  	      if (!t1.$index($arguments, 0).get$isSpecialNumber())
  	        if (!t1.$index($arguments, 1).get$isSpecialNumber())
  	          if (!t1.$index($arguments, 2).get$isSpecialNumber()) {
  	            t2 = alpha == null ? null : alpha.get$isSpecialNumber();
  	            t2 = t2 === true;
  	          }
  	      if (t2)
  	        return A._functionString0($name, $arguments);
  	      t2 = t1.$index($arguments, 0).assertNumber$1("hue");
  	      t3 = t1.$index($arguments, 1).assertNumber$1("saturation");
  	      t1 = t1.$index($arguments, 2).assertNumber$1("lightness");
  	      t4 = A.NullableExtension_andThen0(alpha, new A._hsl_closure0());
  	      return A._colorFromChannels0(B.HslColorSpace_JQ20, t2, t3, t1, t4 == null ? 1 : t4, true, false);
  	    },
  	    _angleValue0(angleValue, $name) {
  	      var angle = angleValue.assertNumber$1($name);
  	      if (angle.compatibleWithUnit$1("deg"))
  	        return angle.coerceValueToUnit$1("deg");
  	      A.warnForDeprecation0("$" + $name + ": Passing a unit other than deg (" + angle.toString$0(0) + string$.x29x20is_d_ + angle.unitSuggestion$1($name) + string$.x0a_See_, B.Deprecation_PHd);
  	      return angle._number1$_value;
  	    },
  	    _checkPercent0(number, $name) {
  	      if (number.hasUnit$1("%"))
  	        return;
  	      A.warnForDeprecation0("$" + $name + ": Passing a number without unit % (" + number.toString$0(0) + string$.x29x20is_d_ + number.unitSuggestion$2($name, "%") + string$.x0a_Morex3af, B.Deprecation_PHd);
  	    },
  	    _percentageOrUnitless0(number, max, $name) {
  	      var value;
  	      if (!number.get$hasUnits())
  	        value = number._number1$_value;
  	      else if (number.hasUnit$1("%"))
  	        value = max * number._number1$_value / 100;
  	      else
  	        throw A.wrapException(A.SassScriptException$0("Expected " + number.toString$0(0) + ' to have unit "%" or no units.', $name));
  	      return value;
  	    },
  	    _mixLegacy0(color1, color2, weight) {
  	      var t2, alphaDistance, weight1, weight2, t3, t4, t5, t6, t7, t8,
  	        rgb1 = color1.toSpace$1(B.RgbColorSpace_i0P0),
  	        rgb2 = color2.toSpace$1(B.RgbColorSpace_i0P0),
  	        weightScale = weight.valueInRange$3(0, 100, "weight") / 100,
  	        normalizedWeight = weightScale * 2 - 1,
  	        t1 = color1.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = color2.alphaOrNull;
  	      alphaDistance = t1 - (t2 == null ? 0 : t2);
  	      t1 = normalizedWeight * alphaDistance;
  	      weight1 = ((t1 === -1 ? normalizedWeight : (normalizedWeight + alphaDistance) / (1 + t1)) + 1) / 2;
  	      weight2 = 1 - weight1;
  	      t1 = rgb1.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = rgb2.channel0OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = rgb1.channel1OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      t4 = rgb2.channel1OrNull;
  	      if (t4 == null)
  	        t4 = 0;
  	      t5 = rgb1.channel2OrNull;
  	      if (t5 == null)
  	        t5 = 0;
  	      t6 = rgb2.channel2OrNull;
  	      if (t6 == null)
  	        t6 = 0;
  	      t7 = rgb1.alphaOrNull;
  	      if (t7 == null)
  	        t7 = 0;
  	      t8 = rgb2.alphaOrNull;
  	      if (t8 == null)
  	        t8 = 0;
  	      return A.SassColor_SassColor$rgbInternal0(t1 * weight1 + t2 * weight2, t3 * weight1 + t4 * weight2, t5 * weight1 + t6 * weight2, t7 * weightScale + t8 * (1 - weightScale), null);
  	    },
  	    _opacify0($name, $arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0($name + string$.x28__is_oa, null));
  	      t1 = color.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t1 += amount.valueInRangeWithUnit$4(0, 1, "amount", "");
  	      result = color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	      A.warnForDeprecation0($name + "() is deprecated. " + A._suggestScaleAndAdjust0(color, amount._number1$_value, "alpha") + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    _transparentize0($name, $arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0($name + string$.x28__is_oa, null));
  	      t1 = color.alphaOrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t1 -= amount.valueInRangeWithUnit$4(0, 1, "amount", "");
  	      result = color.changeAlpha$1(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1));
  	      A.warnForDeprecation0($name + "() is deprecated. " + A._suggestScaleAndAdjust0(color, -amount._number1$_value, "alpha") + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    _colorInSpace0(colorUntyped, spaceUntyped, legacyMissing) {
  	      var t1, _s5_ = "space",
  	        color = colorUntyped.assertColor$1("color");
  	      if (spaceUntyped.$eq(0, B.C__SassNull0))
  	        return color;
  	      t1 = spaceUntyped.assertString$1(_s5_);
  	      t1.assertUnquoted$1(_s5_);
  	      return color.toSpace$2$legacyMissing(A.ColorSpace_fromName0(t1._string0$_text, _s5_), legacyMissing);
  	    },
  	    _parseChannels0(functionName, input, $name, space) {
  	      var parsedSlash, components, alphaValue, _2_0, _2_1, _2_5, t1, t2, _2_6, _2_6_isSet, channels, first, rest, componentList, spaceName, i, channel, channelName, t3, t4, _null = null;
  	      if (input.get$isSpecialVariable())
  	        return A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	      parsedSlash = A._parseSlashChannels0(input, $name);
  	      if (parsedSlash == null)
  	        return A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	      components = parsedSlash._0;
  	      alphaValue = parsedSlash._1;
  	      $label0$0: {
  	        _2_0 = components.assertCommonListStyle$2$allowSlash($name, false);
  	        _2_1 = _2_0.length;
  	        if (_2_1 <= 0)
  	          throw A.wrapException(A.SassScriptException$0("Color component list may not be empty.", $name));
  	        _2_5 = _2_1 >= 1;
  	        t1 = _2_5;
  	        t2 = false;
  	        if (t1) {
  	          _2_6 = _2_0[0];
  	          if (_2_6 instanceof A.SassString0) {
  	            type$.SassString_2._as(_2_6);
  	            t1 = !_2_6._string0$_hasQuotes && _2_6._string0$_text.toLowerCase() === "from";
  	          } else
  	            t1 = t2;
  	          _2_6_isSet = true;
  	        } else {
  	          t1 = t2;
  	          _2_6 = _null;
  	          _2_6_isSet = false;
  	        }
  	        if (t1)
  	          return A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	        t1 = components.get$isSpecialVariable();
  	        if (t1) {
  	          channels = A._setArrayType([components], type$.JSArray_Value_2);
  	          break $label0$0;
  	        }
  	        channels = _null;
  	        if (_2_5) {
  	          first = _2_6_isSet ? _2_6 : _2_0[0];
  	          rest = B.JSArray_methods.sublist$1(_2_0, 1);
  	          componentList = _2_0;
  	          t1 = true;
  	        } else {
  	          componentList = channels;
  	          rest = componentList;
  	          first = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          if (space == null) {
  	            spaceName = first.assertString$1($name);
  	            spaceName.assertUnquoted$1($name);
  	            space = spaceName.get$isSpecialVariable() ? _null : A.ColorSpace_fromName0(spaceName._string0$_text, $name);
  	            if (B.RgbColorSpace_i0P0 === space || B.HslColorSpace_JQ20 === space || B.HwbColorSpace_guQ0 === space || B.LabColorSpace_2nT0 === space || B.LchColorSpace_Bpv0 === space || B.OklabColorSpace_5400 === space || B.OklchColorSpace_9Gj0 === space)
  	              throw A.wrapException(A.SassScriptException$0(string$.The_co + A.S(space) + ". Use the " + A.S(space) + "() function instead.", $name));
  	            channels = rest;
  	          } else
  	            channels = componentList;
  	          for (i = 0; i < channels.length; ++i) {
  	            channel = channels[i];
  	            t1 = false;
  	            if (!channel.get$isSpecialNumber())
  	              if (!(channel instanceof A.SassNumber0))
  	                t1 = !(channel instanceof A.SassString0 && !channel._string0$_hasQuotes && channel._string0$_text.toLowerCase() === "none");
  	            if (t1) {
  	              t1 = _null;
  	              if (space == null)
  	                channelName = t1;
  	              else {
  	                t2 = space._space$_channels;
  	                t2 = i < 3 ? t2[i] : _null;
  	                if (!(t2 == null))
  	                  t1 = new A._parseChannels_closure1().call$1(t2.name);
  	                channelName = t1;
  	              }
  	              if (channelName == null)
  	                channelName = "channel " + (i + 1);
  	              throw A.wrapException(A.SassScriptException$0("Expected " + channelName + " to be a number, was " + channel.toString$0(0) + ".", $name));
  	            }
  	          }
  	          break $label0$0;
  	        }
  	        throw A.wrapException("unreachable");
  	      }
  	      t1 = alphaValue == null;
  	      t2 = t1 ? _null : alphaValue.get$isSpecialNumber();
  	      if (t2 === true) {
  	        if (channels.length === 3 && B.Set_9FDyj0.contains$1(0, space)) {
  	          t1 = A.List_List$_of(channels, type$.Value_2);
  	          alphaValue.toString;
  	          t1.push(alphaValue);
  	          t1 = A._functionString0(functionName, t1);
  	        } else
  	          t1 = A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	        return t1;
  	      }
  	      $label1$1: {
  	        if (t1) {
  	          t2 = 1;
  	          break $label1$1;
  	        }
  	        if (alphaValue instanceof A.SassString0 && !alphaValue._string0$_hasQuotes && "none" === alphaValue._string0$_text) {
  	          t2 = _null;
  	          break $label1$1;
  	        }
  	        t2 = A._percentageOrUnitless0(alphaValue.assertNumber$1($name), 1, "alpha");
  	        t2 = isNaN(t2) ? 0 : B.JSNumber_methods.clamp$2(t2, 0, 1);
  	        break $label1$1;
  	      }
  	      if (space == null)
  	        return A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	      if (B.JSArray_methods.any$1(channels, new A._parseChannels_closure2())) {
  	        if (channels.length === 3 && B.Set_9FDyj0.contains$1(0, space)) {
  	          t2 = A.List_List$_of(channels, type$.Value_2);
  	          if (!t1)
  	            t2.push(alphaValue);
  	          t1 = A._functionString0(functionName, t2);
  	        } else
  	          t1 = A._functionString0(functionName, A._setArrayType([input], type$.JSArray_Value_2));
  	        return t1;
  	      }
  	      if (channels.length !== 3)
  	        throw A.wrapException(A.SassScriptException$0("The " + space.toString$0(0) + " color space has 3 channels but " + input.toString$0(0) + " has " + channels.length + ".", $name));
  	      t1 = channels[0];
  	      t1 = t1 instanceof A.SassNumber0 ? t1 : _null;
  	      t3 = channels[1];
  	      t3 = t3 instanceof A.SassNumber0 ? t3 : _null;
  	      t4 = channels[2];
  	      t4 = t4 instanceof A.SassNumber0 ? t4 : _null;
  	      return A._colorFromChannels0(space, t1, t3, t4, t2, true, space === B.RgbColorSpace_i0P0);
  	    },
  	    _parseSlashChannels0(input, $name) {
  	      var _1_1, alphaValue, t1, components, _1_7, _1_8, _1_9, initial, t2, _1_8_isSet, _1_9_isSet, _0_0, _0_1, channel3, alpha, _1_16, _1_16_isSet, _1_9_isSet0, t3, _null = null,
  	        _1_0 = input.assertCommonListStyle$2$allowSlash($name, true);
  	      $label0$0: {
  	        _1_1 = _1_0.length;
  	        alphaValue = _null;
  	        t1 = false;
  	        if (_1_1 === 2) {
  	          components = _1_0[0];
  	          alphaValue = _1_0[1];
  	          t1 = input.get$separator(input) === B.ListSeparator_Lul0;
  	        } else
  	          components = _null;
  	        if (t1) {
  	          t1 = new A._Record_2(components, alphaValue);
  	          break $label0$0;
  	        }
  	        t1 = input.get$separator(input);
  	        if (t1 === B.ListSeparator_Lul0) {
  	          t1 = _1_0.length;
  	          A.throwExpression(A.SassScriptException$0(string$.Only_2 + t1 + " " + A.pluralize0("was", t1, "were") + " passed.", $name));
  	        }
  	        _1_7 = _1_1 >= 1;
  	        t1 = _1_7;
  	        _1_8 = _null;
  	        _1_9 = _null;
  	        initial = _null;
  	        t2 = false;
  	        if (t1) {
  	          _1_8 = B.JSArray_methods.sublist$2(_1_0, 0, _1_1 - 1);
  	          initial = _1_8;
  	          _1_9 = _1_0[_1_1 - 1];
  	          t1 = _1_9;
  	          if (t1 instanceof A.SassString0) {
  	            type$.SassString_2._as(_1_9);
  	            t1 = !_1_9._string0$_hasQuotes;
  	          } else
  	            t1 = t2;
  	          _1_8_isSet = true;
  	          _1_9_isSet = true;
  	        } else {
  	          t1 = t2;
  	          _1_8_isSet = false;
  	          _1_9_isSet = false;
  	        }
  	        if (t1) {
  	          if (_1_9_isSet)
  	            t1 = _1_9;
  	          else {
  	            _1_9 = _1_0[_1_1 - 1];
  	            t1 = _1_9;
  	          }
  	          _0_0 = type$.SassString_2._as(t1)._string0$_text.split("/");
  	          $label1$1: {
  	            _0_1 = _0_0.length;
  	            if (_0_1 === 1) {
  	              t1 = new A._Record_2(input, _null);
  	              break $label1$1;
  	            }
  	            if (_0_1 === 2) {
  	              channel3 = _0_0[0];
  	              alpha = _0_0[1];
  	              t1 = A.List_List$_of(initial, type$.Value_2);
  	              t1.push(A._parseNumberOrString0(channel3));
  	              t1 = new A._Record_2(A.SassList$0(t1, B.ListSeparator_SrV0, false), A._parseNumberOrString0(alpha));
  	              break $label1$1;
  	            }
  	            t1 = _null;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        _1_16 = _null;
  	        _1_16_isSet = false;
  	        t1 = false;
  	        if (_1_7) {
  	          _1_9_isSet0 = true;
  	          if (_1_8_isSet)
  	            initial = _1_8;
  	          else {
  	            _1_8 = B.JSArray_methods.sublist$2(_1_0, 0, _1_1 - 1);
  	            initial = _1_8;
  	          }
  	          if (_1_9_isSet)
  	            t2 = _1_9;
  	          else {
  	            _1_9 = _1_0[_1_1 - 1];
  	            t2 = _1_9;
  	            _1_9_isSet = _1_9_isSet0;
  	          }
  	          _1_16_isSet = t2 instanceof A.SassNumber0;
  	          if (_1_16_isSet) {
  	            if (_1_9_isSet)
  	              t1 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t1 = _1_9;
  	              _1_9_isSet = _1_9_isSet0;
  	            }
  	            _1_16 = type$.SassNumber_2._as(t1).asSlash;
  	            t1 = _1_16;
  	            t1 = type$.Record_2_nullable_Object_and_nullable_Object._is(t1);
  	          }
  	        } else
  	          initial = _null;
  	        if (t1) {
  	          if (_1_16_isSet)
  	            t1 = _1_16;
  	          else {
  	            if (_1_9_isSet)
  	              t1 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t1 = _1_9;
  	              _1_9_isSet = true;
  	            }
  	            _1_16 = type$.SassNumber_2._as(t1).asSlash;
  	            t1 = _1_16;
  	            _1_16_isSet = true;
  	          }
  	          if (t1 == null)
  	            t1 = type$.Record_2_nullable_Object_and_nullable_Object._as(t1);
  	          if (_1_16_isSet)
  	            t2 = _1_16;
  	          else {
  	            if (_1_9_isSet)
  	              t2 = _1_9;
  	            else {
  	              _1_9 = _1_0[_1_1 - 1];
  	              t2 = _1_9;
  	            }
  	            _1_16 = type$.SassNumber_2._as(t2).asSlash;
  	            t2 = _1_16;
  	          }
  	          if (t2 == null)
  	            t2 = type$.Record_2_nullable_Object_and_nullable_Object._as(t2);
  	          t3 = A.List_List$_of(initial, type$.Value_2);
  	          t3.push(t1._0);
  	          t1 = new A._Record_2(A.SassList$0(t3, B.ListSeparator_SrV0, false), t2._1);
  	          break $label0$0;
  	        }
  	        t1 = new A._Record_2(input, _null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _parseNumberOrString0(text) {
  	      var t1, expression;
  	      try {
  	        t1 = A.ScssParser$0(text, false, null);
  	        expression = t1._stylesheet0$_parseSingleProduction$1$1(t1.get$_stylesheet0$_number(), type$.NumberExpression_2);
  	        t1 = A.SassNumber_SassNumber0(expression.value, expression.unit);
  	        return t1;
  	      } catch (exception) {
  	        if (type$.SassFormatException_2._is(A.unwrapException(exception)))
  	          return new A.SassString0(text, false);
  	        else
  	          throw exception;
  	      }
  	    },
  	    _colorFromChannels0(space, channel0, channel1, channel2, alpha, clamp, fromRgbFunction) {
  	      var t1, t2, whiteness, blackness, t3;
  	      switch (space) {
  	        case B.HslColorSpace_JQ20:
  	          if (channel1 != null)
  	            A._checkPercent0(channel1, "saturation");
  	          if (channel2 != null)
  	            A._checkPercent0(channel2, "lightness");
  	          t1 = space._space$_channels;
  	          return A.SassColor_SassColor$hsl0(A.NullableExtension_andThen0(channel0, new A._colorFromChannels_closure1()), A._channelFromValue0(t1[1], A._forcePercent0(channel1), clamp), A._channelFromValue0(t1[2], A._forcePercent0(channel2), clamp), alpha);
  	        case B.HwbColorSpace_guQ0:
  	          t1 = channel1 == null;
  	          if (!t1)
  	            channel1.assertUnit$2("%", "whiteness");
  	          t2 = channel2 == null;
  	          if (!t2)
  	            channel2.assertUnit$2("%", "blackness");
  	          whiteness = t1 ? null : channel1._number1$_value;
  	          blackness = t2 ? null : channel2._number1$_value;
  	          if (whiteness != null && blackness != null && whiteness + blackness > 100) {
  	            t1 = whiteness + blackness;
  	            whiteness = whiteness / t1 * 100;
  	            blackness = blackness / t1 * 100;
  	          }
  	          return A.SassColor_SassColor$hwb0(A.NullableExtension_andThen0(channel0, new A._colorFromChannels_closure2()), whiteness, blackness, alpha);
  	        case B.RgbColorSpace_i0P0:
  	          t1 = space._space$_channels;
  	          t2 = A._channelFromValue0(t1[0], channel0, clamp);
  	          t3 = A._channelFromValue0(t1[1], channel1, clamp);
  	          t1 = A._channelFromValue0(t1[2], channel2, clamp);
  	          return A.SassColor_SassColor$rgbInternal0(t2, t3, t1, alpha, fromRgbFunction ? B.C__ColorFormatEnum0 : null);
  	        default:
  	          t1 = space._space$_channels;
  	          return A.SassColor_SassColor$forSpaceInternal0(space, A._channelFromValue0(t1[0], channel0, clamp), A._channelFromValue0(t1[1], channel1, clamp), A._channelFromValue0(t1[2], channel2, clamp), alpha);
  	      }
  	    },
  	    _forcePercent0(number) {
  	      var t1, _0_3;
  	      $label0$0: {
  	        if (number == null) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        _0_3 = number.get$numeratorUnits(number);
  	        if (_0_3.length === 1)
  	          t1 = "%" === _0_3[0] && number.get$denominatorUnits(number).length <= 0;
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = number;
  	          break $label0$0;
  	        }
  	        t1 = A.SassNumber_SassNumber0(number._number1$_value, "%");
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _channelFromValue0(channel, value, clamp) {
  	      return A.NullableExtension_andThen0(value, new A._channelFromValue_closure0(channel, clamp));
  	    },
  	    _isNone0(value) {
  	      return value instanceof A.SassString0 && !value._string0$_hasQuotes && value._string0$_text.toLowerCase() === "none";
  	    },
  	    _channelFunction0($name, space, getter, global, unit) {
  	      return A.BuiltInCallable$function0($name, "$color", new A._channelFunction_closure0(getter, unit, global, $name, space), "sass:color");
  	    },
  	    _suggestScaleAndAdjust0(original, adjustment, channelName) {
  	      var t2, oldValue, newValue, factor, t3, suggestion,
  	        channel = channelName === "alpha" ? B.LinearChannel_XL80 : type$.LinearChannel_2._as(B.JSArray_methods.firstWhere$1(B.List_oAL0, new A._suggestScaleAndAdjust_closure0(channelName))),
  	        t1 = channel === B.LinearChannel_XL80;
  	      if (t1) {
  	        t2 = original.alphaOrNull;
  	        oldValue = t2 == null ? 0 : t2;
  	      } else
  	        oldValue = original.toSpace$1(B.HslColorSpace_JQ20).channel$1(0, channelName);
  	      newValue = oldValue + adjustment;
  	      if (adjustment !== 0) {
  	        factor = A._Cell$();
  	        t2 = channel.max;
  	        if (newValue > t2)
  	          factor.__late_helper$_value = 1;
  	        else {
  	          t3 = channel.min;
  	          if (newValue < t3)
  	            factor.__late_helper$_value = -1;
  	          else if (adjustment > 0)
  	            factor.__late_helper$_value = adjustment / (t2 - oldValue);
  	          else
  	            factor.__late_helper$_value = (newValue - oldValue) / (oldValue - t3);
  	        }
  	        suggestion = "Suggestion" + ("s:\n\ncolor.scale($color, $" + channelName + ": " + A.serializeValue0(A.SassNumber_SassNumber0(factor._readLocal$0() * 100, "%"), false, true) + ")\n");
  	      } else
  	        suggestion = "Suggestion:\n\n";
  	      return suggestion + ("color.adjust($color, $" + channelName + ": " + A.serializeValue0(A.SassNumber_SassNumber0(adjustment, t1 ? null : "%"), false, true) + ")");
  	    },
  	    _missingChannelError0(color, channel) {
  	      return A.throwExpression(A.SassScriptException$0(string$.Becaus + color.toCssString$0() + ").", channel));
  	    },
  	    _channelName0(value) {
  	      var t1 = value.assertString$1("channel");
  	      t1.assertQuoted$1("channel");
  	      return t1._string0$_text;
  	    },
  	    _function12($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:color");
  	    },
  	    global_closure44: function global_closure44() {
  	    },
  	    global_closure45: function global_closure45() {
  	    },
  	    global_closure46: function global_closure46() {
  	    },
  	    global_closure47: function global_closure47() {
  	    },
  	    global_closure48: function global_closure48() {
  	    },
  	    global_closure49: function global_closure49() {
  	    },
  	    global_closure50: function global_closure50() {
  	    },
  	    global_closure51: function global_closure51() {
  	    },
  	    global_closure52: function global_closure52() {
  	    },
  	    global_closure53: function global_closure53() {
  	    },
  	    global_closure54: function global_closure54() {
  	    },
  	    global_closure55: function global_closure55() {
  	    },
  	    global_closure56: function global_closure56() {
  	    },
  	    global_closure57: function global_closure57() {
  	    },
  	    global_closure58: function global_closure58() {
  	    },
  	    global_closure59: function global_closure59() {
  	    },
  	    global_closure60: function global_closure60() {
  	    },
  	    global_closure61: function global_closure61() {
  	    },
  	    global_closure62: function global_closure62() {
  	    },
  	    global_closure63: function global_closure63() {
  	    },
  	    global_closure64: function global_closure64() {
  	    },
  	    global_closure65: function global_closure65() {
  	    },
  	    global_closure66: function global_closure66() {
  	    },
  	    global_closure67: function global_closure67() {
  	    },
  	    global_closure68: function global_closure68() {
  	    },
  	    global_closure69: function global_closure69() {
  	    },
  	    global_closure70: function global_closure70() {
  	    },
  	    global_closure71: function global_closure71() {
  	    },
  	    global_closure72: function global_closure72() {
  	    },
  	    global_closure73: function global_closure73() {
  	    },
  	    global_closure74: function global_closure74() {
  	    },
  	    global_closure75: function global_closure75() {
  	    },
  	    global_closure76: function global_closure76() {
  	    },
  	    global_closure77: function global_closure77() {
  	    },
  	    global_closure78: function global_closure78() {
  	    },
  	    global_closure79: function global_closure79() {
  	    },
  	    global__closure0: function global__closure0() {
  	    },
  	    global_closure80: function global_closure80() {
  	    },
  	    global_closure81: function global_closure81() {
  	    },
  	    global_closure82: function global_closure82() {
  	    },
  	    global_closure83: function global_closure83() {
  	    },
  	    global_closure84: function global_closure84() {
  	    },
  	    global_closure85: function global_closure85() {
  	    },
  	    global_closure86: function global_closure86() {
  	    },
  	    module_closure27: function module_closure27() {
  	    },
  	    module_closure28: function module_closure28() {
  	    },
  	    module_closure29: function module_closure29() {
  	    },
  	    module_closure30: function module_closure30() {
  	    },
  	    module_closure31: function module_closure31() {
  	    },
  	    module_closure32: function module_closure32() {
  	    },
  	    module_closure33: function module_closure33() {
  	    },
  	    module_closure34: function module_closure34() {
  	    },
  	    module_closure35: function module_closure35() {
  	    },
  	    module_closure36: function module_closure36() {
  	    },
  	    module_closure37: function module_closure37() {
  	    },
  	    module_closure38: function module_closure38() {
  	    },
  	    module_closure39: function module_closure39() {
  	    },
  	    module_closure40: function module_closure40() {
  	    },
  	    module__closure6: function module__closure6() {
  	    },
  	    module_closure41: function module_closure41() {
  	    },
  	    module_closure42: function module_closure42() {
  	    },
  	    module_closure43: function module_closure43() {
  	    },
  	    module_closure44: function module_closure44() {
  	    },
  	    module_closure45: function module_closure45() {
  	    },
  	    module_closure46: function module_closure46() {
  	    },
  	    module_closure47: function module_closure47() {
  	    },
  	    module_closure48: function module_closure48() {
  	    },
  	    module__closure5: function module__closure5(t0) {
  	      this.channelName = t0;
  	    },
  	    module_closure49: function module_closure49() {
  	    },
  	    module_closure_toXyzNoMissing0: function module_closure_toXyzNoMissing0() {
  	    },
  	    module_closure50: function module_closure50() {
  	    },
  	    _mix_closure0: function _mix_closure0() {
  	    },
  	    _complement_closure0: function _complement_closure0() {
  	    },
  	    _adjust_closure0: function _adjust_closure0() {
  	    },
  	    _scale_closure0: function _scale_closure0() {
  	    },
  	    _change_closure0: function _change_closure0() {
  	    },
  	    _ieHexStr_closure0: function _ieHexStr_closure0() {
  	    },
  	    _ieHexStr_closure_hexString0: function _ieHexStr_closure_hexString0() {
  	    },
  	    _updateComponents_closure1: function _updateComponents_closure1(t0) {
  	      this.originalColor = t0;
  	    },
  	    _updateComponents_closure2: function _updateComponents_closure2(t0) {
  	      this._box_0 = t0;
  	    },
  	    _changeColor_closure0: function _changeColor_closure0(t0) {
  	      this.alphaArg = t0;
  	    },
  	    _adjustColor_closure0: function _adjustColor_closure0() {
  	    },
  	    _functionString_closure0: function _functionString_closure0() {
  	    },
  	    _removedColorFunction_closure0: function _removedColorFunction_closure0(t0, t1, t2) {
  	      this.name = t0;
  	      this.argument = t1;
  	      this.negative = t2;
  	    },
  	    _rgb_closure0: function _rgb_closure0() {
  	    },
  	    _hsl_closure0: function _hsl_closure0() {
  	    },
  	    _parseChannels_closure1: function _parseChannels_closure1() {
  	    },
  	    _parseChannels_closure2: function _parseChannels_closure2() {
  	    },
  	    _colorFromChannels_closure1: function _colorFromChannels_closure1() {
  	    },
  	    _colorFromChannels_closure2: function _colorFromChannels_closure2() {
  	    },
  	    _channelFromValue_closure0: function _channelFromValue_closure0(t0, t1) {
  	      this.channel = t0;
  	      this.clamp = t1;
  	    },
  	    _channelFunction_closure0: function _channelFunction_closure0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.getter = t0;
  	      _.unit = t1;
  	      _.global = t2;
  	      _.name = t3;
  	      _.space = t4;
  	    },
  	    _suggestScaleAndAdjust_closure0: function _suggestScaleAndAdjust_closure0(t0) {
  	      this.channelName = t0;
  	    },
  	    _constructionSpace(options) {
  	      var t1 = J.getInterceptor$x(options);
  	      if (t1.get$space(options) != null) {
  	        t1 = t1.get$space(options);
  	        t1.toString;
  	        return A.ColorSpace_fromName0(t1, null);
  	      }
  	      if (t1.get$red(options) != null)
  	        return B.RgbColorSpace_i0P0;
  	      if (t1.get$saturation(options) != null)
  	        return B.HslColorSpace_JQ20;
  	      if (t1.get$whiteness(options) != null)
  	        return B.HwbColorSpace_guQ0;
  	      throw A.wrapException("No color space found");
  	    },
  	    _toSpace($self, space) {
  	      return $self.toSpace$1(A.ColorSpace_fromName0(space == null ? $self._color0$_space.name : space, null));
  	    },
  	    _checkNullAlphaDeprecation(options) {
  	      var t1 = J.getInterceptor$x(options),
  	        t2 = t1.get$alpha(options);
  	      if (!A._asBool($.$get$_isUndefined().call$1(t2)) && t1.get$alpha(options) == null && t1.get$space(options) == null)
  	        A.warnForDeprecationFromApi(string$.Passin_, B.Deprecation_ox0);
  	    },
  	    colorClass_closure: function colorClass_closure() {
  	    },
  	    colorClass__closure: function colorClass__closure() {
  	    },
  	    colorClass__closure0: function colorClass__closure0() {
  	    },
  	    colorClass__closure1: function colorClass__closure1() {
  	    },
  	    colorClass__closure2: function colorClass__closure2() {
  	    },
  	    colorClass__closure3: function colorClass__closure3() {
  	    },
  	    colorClass__closure4: function colorClass__closure4() {
  	    },
  	    colorClass__closure5: function colorClass__closure5() {
  	    },
  	    colorClass__closure6: function colorClass__closure6() {
  	    },
  	    colorClass__closure7: function colorClass__closure7() {
  	    },
  	    colorClass__closure8: function colorClass__closure8() {
  	    },
  	    colorClass___closure: function colorClass___closure(t0) {
  	      this.key = t0;
  	    },
  	    colorClass__closure_changedValue: function colorClass__closure_changedValue(t0, t1) {
  	      this.color = t0;
  	      this.options = t1;
  	    },
  	    colorClass__closure9: function colorClass__closure9() {
  	    },
  	    colorClass__closure10: function colorClass__closure10() {
  	    },
  	    colorClass__closure11: function colorClass__closure11() {
  	    },
  	    colorClass__closure12: function colorClass__closure12() {
  	    },
  	    colorClass__closure13: function colorClass__closure13() {
  	    },
  	    colorClass__closure14: function colorClass__closure14() {
  	    },
  	    colorClass__closure15: function colorClass__closure15() {
  	    },
  	    colorClass__closure16: function colorClass__closure16() {
  	    },
  	    colorClass__closure17: function colorClass__closure17() {
  	    },
  	    colorClass__closure18: function colorClass__closure18() {
  	    },
  	    colorClass__closure19: function colorClass__closure19() {
  	    },
  	    colorClass__closure20: function colorClass__closure20() {
  	    },
  	    colorClass__closure21: function colorClass__closure21() {
  	    },
  	    colorClass__closure22: function colorClass__closure22() {
  	    },
  	    _Channels: function _Channels() {
  	    },
  	    _ConstructionOptions: function _ConstructionOptions() {
  	    },
  	    _ChannelOptions: function _ChannelOptions() {
  	    },
  	    _ToGamutOptions: function _ToGamutOptions() {
  	    },
  	    _InterpolationOptions: function _InterpolationOptions() {
  	    },
  	    _NodeSassColor: function _NodeSassColor() {
  	    },
  	    legacyColorClass_closure: function legacyColorClass_closure() {
  	    },
  	    legacyColorClass__closure: function legacyColorClass__closure() {
  	    },
  	    legacyColorClass_closure0: function legacyColorClass_closure0() {
  	    },
  	    legacyColorClass_closure1: function legacyColorClass_closure1() {
  	    },
  	    legacyColorClass_closure2: function legacyColorClass_closure2() {
  	    },
  	    legacyColorClass_closure3: function legacyColorClass_closure3() {
  	    },
  	    legacyColorClass_closure4: function legacyColorClass_closure4() {
  	    },
  	    legacyColorClass_closure5: function legacyColorClass_closure5() {
  	    },
  	    legacyColorClass_closure6: function legacyColorClass_closure6() {
  	    },
  	    legacyColorClass_closure7: function legacyColorClass_closure7() {
  	    },
  	    SassColor_SassColor$rgb0(red, green, blue, alpha) {
  	      return A.SassColor_SassColor$rgbInternal0(red, green, blue, alpha, null);
  	    },
  	    SassColor_SassColor$rgbInternal0(red, green, blue, alpha, format) {
  	      var _null = null,
  	        t1 = red == null ? _null : red,
  	        t2 = green == null ? _null : green,
  	        t3 = blue == null ? _null : blue;
  	      return A.SassColor$_forSpace0(B.RgbColorSpace_i0P0, t1, t2, t3, alpha == null ? _null : alpha, format);
  	    },
  	    SassColor_SassColor$hsl0(hue, saturation, lightness, alpha) {
  	      var _null = null,
  	        t1 = hue == null ? _null : hue,
  	        t2 = saturation == null ? _null : saturation,
  	        t3 = lightness == null ? _null : lightness;
  	      return A.SassColor_SassColor$forSpaceInternal0(B.HslColorSpace_JQ20, t1, t2, t3, alpha == null ? _null : alpha);
  	    },
  	    SassColor_SassColor$hwb0(hue, whiteness, blackness, alpha) {
  	      var _null = null,
  	        t1 = hue == null ? _null : hue,
  	        t2 = whiteness == null ? _null : whiteness,
  	        t3 = blackness == null ? _null : blackness;
  	      return A.SassColor_SassColor$forSpaceInternal0(B.HwbColorSpace_guQ0, t1, t2, t3, alpha == null ? _null : alpha);
  	    },
  	    SassColor_SassColor$forSpaceInternal0(space, channel0, channel1, channel2, alpha) {
  	      var t1, t2, _null = null;
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ20 === space) {
  	          t1 = channel1 == null;
  	          t2 = A.SassColor__normalizeHue0(channel0, !t1 && channel1 < 0 && !A.fuzzyEquals0(channel1, 0));
  	          t2 = A.SassColor$_forSpace0(space, t2, t1 ? _null : Math.abs(channel1), channel2, alpha, _null);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.HwbColorSpace_guQ0 === space) {
  	          t1 = A.SassColor$_forSpace0(space, A.SassColor__normalizeHue0(channel0, false), channel1, channel2, alpha, _null);
  	          break $label0$0;
  	        }
  	        if (B.LchColorSpace_Bpv0 === space || B.OklchColorSpace_9Gj0 === space) {
  	          t1 = channel1 == null;
  	          t2 = t1 ? _null : Math.abs(channel1);
  	          t2 = A.SassColor$_forSpace0(space, channel0, t2, A.SassColor__normalizeHue0(channel2, !t1 && channel1 < 0 && !A.fuzzyEquals0(channel1, 0)), alpha, _null);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = A.SassColor$_forSpace0(space, channel0, channel1, channel2, alpha, _null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    SassColor$_forSpace0(_space, channel0OrNull, channel1OrNull, channel2OrNull, alpha, format) {
  	      return new A.SassColor0(_space, channel0OrNull, channel1OrNull, channel2OrNull, format, A.NullableExtension_andThen0(alpha, new A.SassColor$_forSpace_closure0()));
  	    },
  	    SassColor__normalizeHue0(hue, invert) {
  	      var t1, t2;
  	      if (hue == null)
  	        return hue;
  	      t1 = B.JSNumber_methods.$mod(hue, 360);
  	      t2 = invert ? 180 : 0;
  	      return B.JSNumber_methods.$mod(t1 + 360 + t2, 360);
  	    },
  	    SassColor0: function SassColor0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._color0$_space = t0;
  	      _.channel0OrNull = t1;
  	      _.channel1OrNull = t2;
  	      _.channel2OrNull = t3;
  	      _.format = t4;
  	      _.alphaOrNull = t5;
  	    },
  	    SassColor$_forSpace_closure0: function SassColor$_forSpace_closure0() {
  	    },
  	    _ColorFormatEnum0: function _ColorFormatEnum0() {
  	    },
  	    SpanColorFormat0: function SpanColorFormat0(t0) {
  	      this._color0$_span = t0;
  	    },
  	    Combinator0: function Combinator0(t0, t1, t2) {
  	      this._combinator0$_text = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    ModifiableCssComment0: function ModifiableCssComment0(t0, t1) {
  	      var _ = this;
  	      _.text = t0;
  	      _.span = t1;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    compile0(path, options) {
  	      var color, ascii, logger, result, error, stackTrace, t1, color0, ascii0, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, _null = null;
  	      if (!A.isNodeJs())
  	        A.jsThrow(new self.Error("The compile() method is only available in Node.js."));
  	      t1 = options == null;
  	      color0 = t1 ? _null : J.get$alertColor$x(options);
  	      if (color0 == null)
  	        color0 = A.hasTerminal0() || A.isBrowser();
  	      color = color0;
  	      ascii0 = t1 ? _null : J.get$alertAscii$x(options);
  	      ascii = ascii0 == null ? $._glyphs === B.C_AsciiGlyphSet : ascii0;
  	      t2 = t1 ? _null : J.get$logger$x(options);
  	      t3 = ascii;
  	      if (t3 == null)
  	        t3 = $._glyphs === B.C_AsciiGlyphSet;
  	      logger = new A.JSToDartLogger(t2, new A.StderrLogger0(color), t3);
  	      try {
  	        t2 = t1 ? _null : J.get$loadPaths$x(options);
  	        t3 = t1 ? _null : J.get$quietDeps$x(options);
  	        if (t3 == null)
  	          t3 = false;
  	        t4 = A._parseOutputStyle0(t1 ? _null : J.get$style$x(options));
  	        t5 = t1 ? _null : J.get$verbose$x(options);
  	        if (t5 == null)
  	          t5 = false;
  	        t6 = t1 ? _null : J.get$charset$x(options);
  	        if (t6 == null)
  	          t6 = true;
  	        t7 = t1 ? _null : J.get$sourceMap$x(options);
  	        if (t7 == null)
  	          t7 = false;
  	        if (t1)
  	          t8 = _null;
  	        else {
  	          t8 = J.get$importers$x(options);
  	          t8 = t8 == null ? _null : J.map$1$1$ax(t8, A.compile___parseImporter$closure(), type$.Importer);
  	        }
  	        t9 = A._parseFunctions0(t1 ? _null : J.get$functions$x(options), false);
  	        t10 = t1 ? _null : J.get$fatalDeprecations$x(options);
  	        t10 = A.parseDeprecations(logger, t10, true);
  	        t11 = t1 ? _null : J.get$silenceDeprecations$x(options);
  	        t11 = A.parseDeprecations(logger, t11, false);
  	        t12 = t1 ? _null : J.get$futureDeprecations$x(options);
  	        result = A.compile(path, t6, t10, new A.CastList(t9, A._arrayInstanceType(t9)._eval$1("CastList<1,Callable>")), A.parseDeprecations(logger, t12, false), A.ImportCache$0(t8, t2, _null), _null, _null, logger, _null, t3, t11, t7, t4, _null, true, t5);
  	        t1 = t1 ? _null : J.get$sourceMapIncludeSources$x(options);
  	        if (t1 == null)
  	          t1 = false;
  	        t1 = A._convertResult(result, t1);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwNodeException(error, ascii, color, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    compileString0(text, options) {
  	      var color, ascii, logger, result, error, stackTrace, ascii0, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, _null = null,
  	        t1 = options == null,
  	        color0 = t1 ? _null : J.get$alertColor$x(options);
  	      if (color0 == null)
  	        color0 = A.hasTerminal0() || A.isBrowser();
  	      color = color0;
  	      ascii0 = t1 ? _null : J.get$alertAscii$x(options);
  	      ascii = ascii0 == null ? $._glyphs === B.C_AsciiGlyphSet : ascii0;
  	      t2 = t1 ? _null : J.get$logger$x(options);
  	      t3 = ascii;
  	      if (t3 == null)
  	        t3 = $._glyphs === B.C_AsciiGlyphSet;
  	      logger = new A.JSToDartLogger(t2, new A.StderrLogger0(color), t3);
  	      try {
  	        t2 = A.parseSyntax(t1 ? _null : J.get$syntax$x(options));
  	        t3 = t1 ? _null : A.NullableExtension_andThen0(J.get$url$x(options), A.utils3__jsToDartUrl$closure());
  	        t4 = t1 ? _null : J.get$loadPaths$x(options);
  	        t5 = t1 ? _null : J.get$quietDeps$x(options);
  	        if (t5 == null)
  	          t5 = false;
  	        t6 = A._parseOutputStyle0(t1 ? _null : J.get$style$x(options));
  	        t7 = t1 ? _null : J.get$verbose$x(options);
  	        if (t7 == null)
  	          t7 = false;
  	        t8 = t1 ? _null : J.get$charset$x(options);
  	        if (t8 == null)
  	          t8 = true;
  	        t9 = t1 ? _null : J.get$sourceMap$x(options);
  	        if (t9 == null)
  	          t9 = false;
  	        if (t1)
  	          t10 = _null;
  	        else {
  	          t10 = J.get$importers$x(options);
  	          t10 = t10 == null ? _null : J.map$1$1$ax(t10, A.compile___parseImporter$closure(), type$.Importer);
  	        }
  	        t11 = t1 ? _null : A.NullableExtension_andThen0(J.get$importer$x(options), A.compile___parseImporter$closure());
  	        if (t11 == null)
  	          t11 = (t1 ? _null : J.get$url$x(options)) == null ? new A.NoOpImporter0() : _null;
  	        t12 = A._parseFunctions0(t1 ? _null : J.get$functions$x(options), false);
  	        t13 = t1 ? _null : J.get$fatalDeprecations$x(options);
  	        t13 = A.parseDeprecations(logger, t13, true);
  	        t14 = t1 ? _null : J.get$silenceDeprecations$x(options);
  	        t14 = A.parseDeprecations(logger, t14, false);
  	        t15 = t1 ? _null : J.get$futureDeprecations$x(options);
  	        result = A.compileString(text, t8, t13, new A.CastList(t12, A._arrayInstanceType(t12)._eval$1("CastList<1,Callable>")), A.parseDeprecations(logger, t15, false), A.ImportCache$0(t10, t4, _null), t11, _null, _null, logger, _null, t5, t14, t9, t6, t2, t3, true, t7);
  	        t1 = t1 ? _null : J.get$sourceMapIncludeSources$x(options);
  	        if (t1 == null)
  	          t1 = false;
  	        t1 = A._convertResult(result, t1);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwNodeException(error, ascii, color, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    compileAsync1(path, options) {
  	      var t1, color, ascii;
  	      if (!A.isNodeJs())
  	        A.jsThrow(new self.Error("The compileAsync() method is only available in Node.js."));
  	      t1 = options == null;
  	      color = t1 ? null : J.get$alertColor$x(options);
  	      if (color == null)
  	        color = A.hasTerminal0() || A.isBrowser();
  	      ascii = t1 ? null : J.get$alertAscii$x(options);
  	      if (ascii == null)
  	        ascii = $._glyphs === B.C_AsciiGlyphSet;
  	      t1 = t1 ? null : J.get$logger$x(options);
  	      return A._wrapAsyncSassExceptions(A.futureToPromise0(new A.compileAsync_closure(path, color, options, new A.JSToDartLogger(t1, new A.StderrLogger0(color), ascii)).call$0()), ascii, color);
  	    },
  	    compileStringAsync1(text, options) {
  	      var ascii,
  	        t1 = options == null,
  	        color = t1 ? null : J.get$alertColor$x(options);
  	      if (color == null)
  	        color = A.hasTerminal0() || A.isBrowser();
  	      ascii = t1 ? null : J.get$alertAscii$x(options);
  	      if (ascii == null)
  	        ascii = $._glyphs === B.C_AsciiGlyphSet;
  	      t1 = t1 ? null : J.get$logger$x(options);
  	      return A._wrapAsyncSassExceptions(A.futureToPromise0(new A.compileStringAsync_closure(text, options, color, new A.JSToDartLogger(t1, new A.StderrLogger0(color), ascii)).call$0()), ascii, color);
  	    },
  	    _convertResult(result, includeSourceContents) {
  	      var loadedUrls,
  	        t1 = result._compile_result$_serialize,
  	        t2 = t1._1,
  	        sourceMap = t2 == null ? null : t2.toJson$1$includeSourceContents(includeSourceContents);
  	      if (type$.Map_dynamic_dynamic._is(sourceMap) && !sourceMap.containsKey$1("sources"))
  	        sourceMap.$indexSet(0, "sources", A._setArrayType([], type$.JSArray_String));
  	      loadedUrls = A.toJSArray(result._evaluate._0.map$1$1(0, A.utils3__dartToJSUrl$closure(), type$.nullable_Object));
  	      t1 = t1._0;
  	      return sourceMap == null ? {css: t1, loadedUrls: loadedUrls} : {css: t1, sourceMap: A.jsify0(sourceMap), loadedUrls: loadedUrls};
  	    },
  	    _wrapAsyncSassExceptions(promise, ascii, color) {
  	      return J.then$2$x(promise, null, A.allowInterop(new A._wrapAsyncSassExceptions_closure(color, ascii)));
  	    },
  	    _parseOutputStyle0(style) {
  	      var t1;
  	      $label0$0: {
  	        if (style == null || "expanded" === style) {
  	          t1 = B.OutputStyle_00;
  	          break $label0$0;
  	        }
  	        if ("compressed" === style) {
  	          t1 = B.OutputStyle_10;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow(new self.Error('Unknown output style "' + style + '".'));
  	      }
  	      return t1;
  	    },
  	    _parseAsyncImporter(importer) {
  	      var t1, canonicalize, load, _0_0;
  	      if (importer instanceof A.NodePackageImporter0)
  	        return importer;
  	      if (importer == null)
  	        A.jsThrow(new self.Error("Importers may not be null."));
  	      type$.JSImporter._as(importer);
  	      t1 = J.getInterceptor$x(importer);
  	      canonicalize = t1.get$canonicalize(importer);
  	      load = t1.get$load(importer);
  	      _0_0 = t1.get$findFileUrl(importer);
  	      if (_0_0 != null)
  	        if (canonicalize != null || load != null)
  	          A.jsThrow(new self.Error(string$.An_impa));
  	        else
  	          return new A.JSToDartAsyncFileImporter(_0_0);
  	      else if (canonicalize == null || load == null)
  	        A.jsThrow(new self.Error(string$.An_impu));
  	      else {
  	        t1 = A._normalizeNonCanonicalSchemes(t1.get$nonCanonicalScheme(importer));
  	        t1 = t1 == null ? B.Set_empty1 : A.Set_Set$unmodifiable(t1, type$.String);
  	        t1.forEach$1(0, A.utils4__validateUrlScheme$closure());
  	        return new A.JSToDartAsyncImporter(canonicalize, load, t1);
  	      }
  	    },
  	    _parseImporter0(importer) {
  	      var t1, canonicalize, load, _0_0;
  	      if (importer instanceof A.NodePackageImporter0)
  	        return importer;
  	      if (importer == null)
  	        A.jsThrow(new self.Error("Importers may not be null."));
  	      type$.JSImporter._as(importer);
  	      t1 = J.getInterceptor$x(importer);
  	      canonicalize = t1.get$canonicalize(importer);
  	      load = t1.get$load(importer);
  	      _0_0 = t1.get$findFileUrl(importer);
  	      if (_0_0 != null)
  	        if (canonicalize != null || load != null)
  	          A.jsThrow(new self.Error(string$.An_impa));
  	        else
  	          return new A.JSToDartFileImporter(_0_0);
  	      else if (canonicalize == null || load == null)
  	        A.jsThrow(new self.Error(string$.An_impu));
  	      else {
  	        t1 = A._normalizeNonCanonicalSchemes(t1.get$nonCanonicalScheme(importer));
  	        t1 = t1 == null ? B.Set_empty1 : A.Set_Set$unmodifiable(t1, type$.String);
  	        t1.forEach$1(0, A.utils4__validateUrlScheme$closure());
  	        return new A.JSToDartImporter(canonicalize, load, t1);
  	      }
  	    },
  	    _normalizeNonCanonicalSchemes(schemes) {
  	      var t1;
  	      $label0$0: {
  	        if (typeof schemes == "string") {
  	          t1 = A._setArrayType([schemes], type$.JSArray_String);
  	          break $label0$0;
  	        }
  	        if (type$.List_dynamic._is(schemes)) {
  	          t1 = J.cast$1$0$ax(schemes, type$.String);
  	          break $label0$0;
  	        }
  	        if (schemes == null) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow(new self.Error('nonCanonicalScheme must be a string or list of strings, was "' + A.S(schemes) + '"'));
  	      }
  	      return t1;
  	    },
  	    _simplifyValue(value) {
  	      var _0_1, t1, t2, _0_4, _0_3, _0_7, _0_5, _0_40, _0_8, _0_8_isSet, _0_7_isSet, _0_5_isSet, _0_4_isSet, first, _0_10, min, _null = null;
  	      $label1$1: {
  	        if (value instanceof A.SassCalculation0) {
  	          _0_1 = value.name;
  	          t1 = value.$arguments;
  	          t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Object>");
  	          _0_4 = A.List_List$_of(new A.MappedListIterable(t1, A.compile___simplifyCalcArg$closure(), t2), t2._eval$1("ListIterable.E"));
  	          $label0$0: {
  	            _0_3 = "calc" === _0_1;
  	            t1 = _0_3;
  	            _0_7 = _null;
  	            _0_5 = _null;
  	            _0_40 = _null;
  	            _0_8 = _null;
  	            _0_8_isSet = false;
  	            t2 = false;
  	            if (t1) {
  	              _0_5 = _0_4.length;
  	              t1 = _0_5;
  	              _0_7 = t1 === 1;
  	              t1 = _0_7;
  	              _0_40 = _0_4;
  	              if (t1) {
  	                _0_8 = _0_40[0];
  	                t1 = _0_8;
  	                t1 = t1 instanceof A.Value0;
  	                _0_8_isSet = true;
  	              } else
  	                t1 = t2;
  	              _0_7_isSet = true;
  	              _0_5_isSet = true;
  	              _0_4_isSet = true;
  	            } else {
  	              t1 = t2;
  	              _0_7_isSet = false;
  	              _0_5_isSet = false;
  	              _0_4_isSet = false;
  	            }
  	            if (t1) {
  	              if (_0_8_isSet)
  	                t1 = _0_8;
  	              else {
  	                _0_8 = (_0_4_isSet ? _0_40 : _0_4)[0];
  	                t1 = _0_8;
  	              }
  	              type$.Value_2._as(t1);
  	              break $label0$0;
  	            }
  	            if (_0_3)
  	              if (_0_7_isSet)
  	                t1 = _0_7;
  	              else {
  	                if (_0_5_isSet)
  	                  t1 = _0_5;
  	                else {
  	                  if (_0_4_isSet)
  	                    t1 = _0_40;
  	                  else {
  	                    t1 = _0_4;
  	                    _0_40 = t1;
  	                    _0_4_isSet = true;
  	                  }
  	                  _0_5 = t1.length;
  	                  t1 = _0_5;
  	                  _0_5_isSet = true;
  	                }
  	                _0_7 = t1 === 1;
  	                t1 = _0_7;
  	              }
  	            else
  	              t1 = false;
  	            if (t1) {
  	              if (_0_8_isSet)
  	                first = _0_8;
  	              else {
  	                _0_8 = (_0_4_isSet ? _0_40 : _0_4)[0];
  	                first = _0_8;
  	              }
  	              t1 = A.SassCalculation_calc0(first);
  	              break $label0$0;
  	            }
  	            if (_0_3)
  	              A.throwExpression(A.ArgumentError$("calc() requires exactly one argument.", _null));
  	            _0_10 = "clamp" === _0_1;
  	            t1 = _0_10;
  	            if (t1) {
  	              if (_0_5_isSet)
  	                t1 = _0_5;
  	              else {
  	                if (_0_4_isSet)
  	                  t1 = _0_40;
  	                else {
  	                  t1 = _0_4;
  	                  _0_40 = t1;
  	                  _0_4_isSet = true;
  	                }
  	                _0_5 = t1.length;
  	                t1 = _0_5;
  	              }
  	              t1 = t1 === 3;
  	            } else
  	              t1 = false;
  	            if (t1) {
  	              if (_0_8_isSet)
  	                min = _0_8;
  	              else {
  	                if (_0_4_isSet)
  	                  t1 = _0_40;
  	                else {
  	                  t1 = _0_4;
  	                  _0_40 = t1;
  	                  _0_4_isSet = true;
  	                }
  	                _0_8 = t1[0];
  	                min = _0_8;
  	              }
  	              if (_0_4_isSet)
  	                t1 = _0_40;
  	              else {
  	                t1 = _0_4;
  	                _0_40 = t1;
  	                _0_4_isSet = true;
  	              }
  	              value = t1[1];
  	              t1 = A.SassCalculation_clamp0(min, value, (_0_4_isSet ? _0_40 : _0_4)[2]);
  	              break $label0$0;
  	            }
  	            if (_0_10)
  	              A.throwExpression(A.ArgumentError$("clamp() requires exactly 3 arguments.", _null));
  	            if ("min" === _0_1) {
  	              t1 = A.SassCalculation_min0(_0_4_isSet ? _0_40 : _0_4);
  	              break $label0$0;
  	            }
  	            if ("max" === _0_1) {
  	              t1 = A.SassCalculation_max0(_0_4_isSet ? _0_40 : _0_4);
  	              break $label0$0;
  	            }
  	            t1 = A.throwExpression(A.ArgumentError$('"' + _0_1 + '" is not a recognized calculation type.', _null));
  	          }
  	          break $label1$1;
  	        }
  	        t1 = value;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    _simplifyCalcArg(value) {
  	      var t1;
  	      $label0$0: {
  	        if (value instanceof A.SassCalculation0) {
  	          t1 = A._simplifyValue(value);
  	          break $label0$0;
  	        }
  	        if (value instanceof A.CalculationOperation0) {
  	          t1 = A.SassCalculation_operateInternal0(value._calculation0$_operator, A._simplifyCalcArg(value._calculation0$_left), A._simplifyCalcArg(value._calculation0$_right), null, true, null);
  	          break $label0$0;
  	        }
  	        t1 = value;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _parseFunctions0(functions, asynch) {
  	      var result;
  	      if (functions == null)
  	        return B.List_empty29;
  	      result = A._setArrayType([], type$.JSArray_AsyncCallable_2);
  	      A.jsForEach(functions, new A._parseFunctions_closure0(asynch, result));
  	      return result;
  	    },
  	    compileAsync_closure: function compileAsync_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.path = t0;
  	      _.color = t1;
  	      _.options = t2;
  	      _.logger = t3;
  	    },
  	    compileAsync__closure: function compileAsync__closure() {
  	    },
  	    compileStringAsync_closure: function compileStringAsync_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.text = t0;
  	      _.options = t1;
  	      _.color = t2;
  	      _.logger = t3;
  	    },
  	    compileStringAsync__closure: function compileStringAsync__closure() {
  	    },
  	    compileStringAsync__closure0: function compileStringAsync__closure0() {
  	    },
  	    _wrapAsyncSassExceptions_closure: function _wrapAsyncSassExceptions_closure(t0, t1) {
  	      this.color = t0;
  	      this.ascii = t1;
  	    },
  	    _parseFunctions_closure0: function _parseFunctions_closure0(t0, t1) {
  	      this.asynch = t0;
  	      this.result = t1;
  	    },
  	    _parseFunctions__closure2: function _parseFunctions__closure2(t0, t1) {
  	      this.callback = t0;
  	      this.callable = t1;
  	    },
  	    _parseFunctions___closure6: function _parseFunctions___closure6(t0, t1) {
  	      this.callback = t0;
  	      this.$arguments = t1;
  	    },
  	    _parseFunctions__closure3: function _parseFunctions__closure3(t0, t1) {
  	      this.callback = t0;
  	      this.callable = t1;
  	    },
  	    _parseFunctions___closure5: function _parseFunctions___closure5(t0, t1) {
  	      this.callback = t0;
  	      this.$arguments = t1;
  	    },
  	    nodePackageImporterClass_closure: function nodePackageImporterClass_closure() {
  	    },
  	    nodePackageImporterClass__closure: function nodePackageImporterClass__closure() {
  	    },
  	    compile(path, charset, fatalDeprecations, functions, futureDeprecations, importCache, indentWidth, lineFeed, logger, nodeImporter, quietDeps, silenceDeprecations, sourceMap, style, syntax, useSpaces, verbose) {
  	      var t3, t4, t0, stylesheet, result, _null = null,
  	        t1 = type$.Deprecation_3,
  	        t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (silenceDeprecations != null)
  	        t2.addAll$1(0, silenceDeprecations);
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (fatalDeprecations != null)
  	        t3.addAll$1(0, fatalDeprecations);
  	      t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (futureDeprecations != null)
  	        t4.addAll$1(0, futureDeprecations);
  	      logger = new A.DeprecationProcessingLogger0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	      logger.validate$0();
  	      t1 = nodeImporter == null;
  	      if (t1)
  	        t2 = syntax == null || syntax === A.Syntax_forPath0(path);
  	      else
  	        t2 = false;
  	      if (t2) {
  	        if (importCache == null)
  	          importCache = A.ImportCache$none();
  	        t2 = $.$get$FilesystemImporter_cwd0();
  	        t3 = A.isNodeJs() ? self.process : _null;
  	        if (!J.$eq$(t3 == null ? _null : J.get$platform$x(t3), "win32")) {
  	          t3 = A.isNodeJs() ? self.process : _null;
  	          t3 = J.$eq$(t3 == null ? _null : J.get$platform$x(t3), "darwin");
  	        } else
  	          t3 = true;
  	        if (t3) {
  	          t3 = A.absolute(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	          t4 = $.$get$context();
  	          t3 = A._realCasePath0(t4.normalize$1(t3));
  	        } else {
  	          t3 = $.$get$context();
  	          t4 = t3.canonicalize$1(0, path);
  	          t0 = t4;
  	          t4 = t3;
  	          t3 = t0;
  	        }
  	        t4 = importCache.importCanonical$3$originalUrl(t2, t4.toUri$1(t3), t4.toUri$1(path));
  	        t4.toString;
  	        stylesheet = t4;
  	      } else {
  	        t2 = A.readFile0(path);
  	        t3 = syntax == null ? A.Syntax_forPath0(path) : syntax;
  	        stylesheet = A.Stylesheet_Stylesheet$parse0(t2, t3, false, $.$get$context().toUri$1(path));
  	      }
  	      result = A._compileStylesheet1(stylesheet, logger, importCache, nodeImporter, $.$get$FilesystemImporter_cwd0(), functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset);
  	      logger.summarize$1$js(!t1);
  	      return result;
  	    },
  	    compileString(source, charset, fatalDeprecations, functions, futureDeprecations, importCache, importer, indentWidth, lineFeed, logger, nodeImporter, quietDeps, silenceDeprecations, sourceMap, style, syntax, url, useSpaces, verbose) {
  	      var t3, t4, stylesheet, _0_0, result,
  	        t1 = type$.Deprecation_3,
  	        t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (silenceDeprecations != null)
  	        t2.addAll$1(0, silenceDeprecations);
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (fatalDeprecations != null)
  	        t3.addAll$1(0, fatalDeprecations);
  	      t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      if (futureDeprecations != null)
  	        t4.addAll$1(0, futureDeprecations);
  	      logger = new A.DeprecationProcessingLogger0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.int), logger, t2, t3, t4, !verbose);
  	      logger.validate$0();
  	      stylesheet = A.Stylesheet_Stylesheet$parse0(source, syntax == null ? B.Syntax_SCSS_0_scss0 : syntax, false, url);
  	      t1 = stylesheet.span;
  	      _0_0 = t1.get$sourceUrl(t1);
  	      if (type$.Uri._is(_0_0) && "" === _0_0.get$scheme() && nodeImporter == null)
  	        A.WarnForDeprecation_warnForDeprecation0(logger, B.Deprecation_y9Y, "Passing a relative `url` argument (" + A.S(t1.get$sourceUrl(t1)) + string$.x29x20to_cm, null, null);
  	      if (importer == null)
  	        t1 = A.isBrowser() ? new A.NoOpImporter0() : $.$get$FilesystemImporter_cwd0();
  	      else
  	        t1 = importer;
  	      result = A._compileStylesheet1(stylesheet, logger, importCache, nodeImporter, t1, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset);
  	      logger.summarize$1$js(nodeImporter != null);
  	      return result;
  	    },
  	    _compileStylesheet1(stylesheet, logger, importCache, nodeImporter, importer, functions, style, useSpaces, indentWidth, lineFeed, quietDeps, sourceMap, charset) {
  	      var evaluateResult, serializeResult, resultSourceMap;
  	      if (nodeImporter != null)
  	        A.WarnForDeprecation_warnForDeprecation0(logger, B.Deprecation_PGp, string$.The_le, null, null);
  	      evaluateResult = A._EvaluateVisitor$1(functions, importCache, logger, nodeImporter, quietDeps, sourceMap).run$2(0, importer, stylesheet);
  	      serializeResult = A.serialize0(evaluateResult._1, charset, indentWidth, false, lineFeed, logger, sourceMap, style, useSpaces);
  	      resultSourceMap = serializeResult._1;
  	      if (resultSourceMap != null && importCache != null)
  	        A.mapInPlace0(resultSourceMap.urls, new A._compileStylesheet_closure1(stylesheet, importCache));
  	      return new A.CompileResult0(evaluateResult, serializeResult);
  	    },
  	    _compileStylesheet_closure1: function _compileStylesheet_closure1(t0, t1) {
  	      this.stylesheet = t0;
  	      this.importCache = t1;
  	    },
  	    CompileOptions: function CompileOptions() {
  	    },
  	    CompileStringOptions: function CompileStringOptions() {
  	    },
  	    NodeCompileResult: function NodeCompileResult() {
  	    },
  	    CompileResult0: function CompileResult0(t0, t1) {
  	      this._evaluate = t0;
  	      this._compile_result$_serialize = t1;
  	    },
  	    initCompiler() {
  	      return new A.Compiler();
  	    },
  	    initAsyncCompiler() {
  	      return A.futureToPromise0(new A.initAsyncCompiler_closure().call$0());
  	    },
  	    Compiler: function Compiler() {
  	      this._disposed = false;
  	    },
  	    AsyncCompiler: function AsyncCompiler(t0) {
  	      this.compilations = t0;
  	      this._disposed = false;
  	    },
  	    AsyncCompiler_addCompilation_closure: function AsyncCompiler_addCompilation_closure() {
  	    },
  	    compilerClass_closure: function compilerClass_closure() {
  	    },
  	    compilerClass__closure: function compilerClass__closure() {
  	    },
  	    compilerClass__closure0: function compilerClass__closure0() {
  	    },
  	    compilerClass__closure1: function compilerClass__closure1() {
  	    },
  	    compilerClass__closure2: function compilerClass__closure2() {
  	    },
  	    asyncCompilerClass_closure: function asyncCompilerClass_closure() {
  	    },
  	    asyncCompilerClass__closure: function asyncCompilerClass__closure() {
  	    },
  	    asyncCompilerClass__closure0: function asyncCompilerClass__closure0() {
  	    },
  	    asyncCompilerClass__closure1: function asyncCompilerClass__closure1() {
  	    },
  	    asyncCompilerClass__closure2: function asyncCompilerClass__closure2() {
  	    },
  	    asyncCompilerClass___closure: function asyncCompilerClass___closure(t0) {
  	      this.self = t0;
  	    },
  	    initAsyncCompiler_closure: function initAsyncCompiler_closure() {
  	    },
  	    InterpolatedComplexSelector$(components, span, leadingCombinator) {
  	      var t1 = A.List_List$unmodifiable(components, type$.InterpolatedComplexSelectorComponent);
  	      if (leadingCombinator == null && t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty if leadingCombinator is null.", null));
  	      return new A.InterpolatedComplexSelector(leadingCombinator, t1, span);
  	    },
  	    InterpolatedComplexSelector: function InterpolatedComplexSelector(t0, t1, t2) {
  	      this.leadingCombinator = t0;
  	      this.components = t1;
  	      this.span = t2;
  	    },
  	    ComplexSassNumber0: function ComplexSassNumber0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._complex0$_numeratorUnits = t0;
  	      _._complex0$_denominatorUnits = t1;
  	      _._number1$_value = t2;
  	      _.hashCache = null;
  	      _.asSlash = t3;
  	    },
  	    ComplexSelector$0(leadingCombinators, components, span, lineBreak) {
  	      var t1 = A.List_List$unmodifiable(leadingCombinators, type$.CssValue_Combinator_2),
  	        t2 = A.List_List$unmodifiable(components, type$.ComplexSelectorComponent_2);
  	      if (t1.length === 0 && t2.length === 0)
  	        A.throwExpression(A.ArgumentError$(string$.leadin, null));
  	      return new A.ComplexSelector0(t1, t2, lineBreak, span);
  	    },
  	    ComplexSelector0: function ComplexSelector0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.leadingCombinators = t0;
  	      _.components = t1;
  	      _.lineBreak = t2;
  	      _._complex$__ComplexSelector_specificity_FI = $;
  	      _.span = t3;
  	    },
  	    ComplexSelector_specificity_closure0: function ComplexSelector_specificity_closure0() {
  	    },
  	    InterpolatedComplexSelectorComponent: function InterpolatedComplexSelectorComponent(t0, t1, t2) {
  	      this.selector = t0;
  	      this.combinator = t1;
  	      this.span = t2;
  	    },
  	    ComplexSelectorComponent0: function ComplexSelectorComponent0(t0, t1, t2) {
  	      this.selector = t0;
  	      this.combinators = t1;
  	      this.span = t2;
  	    },
  	    ComplexSelectorComponent_toString_closure0: function ComplexSelectorComponent_toString_closure0() {
  	    },
  	    InterpolatedCompoundSelector$(components) {
  	      var t1 = A.List_List$unmodifiable(components, type$.InterpolatedSimpleSelector);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.InterpolatedCompoundSelector(t1);
  	    },
  	    InterpolatedCompoundSelector: function InterpolatedCompoundSelector(t0) {
  	      this.components = t0;
  	    },
  	    CompoundSelector$0(components, span) {
  	      var t1 = A.List_List$unmodifiable(components, type$.SimpleSelector_2);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.CompoundSelector0(t1, span);
  	    },
  	    CompoundSelector0: function CompoundSelector0(t0, t1) {
  	      var _ = this;
  	      _.components = t0;
  	      _._compound$__CompoundSelector_hasComplicatedSuperselectorSemantics_FI = _._compound$__CompoundSelector_specificity_FI = $;
  	      _.span = t1;
  	    },
  	    CompoundSelector_specificity_closure0: function CompoundSelector_specificity_closure0() {
  	    },
  	    CompoundSelector_hasComplicatedSuperselectorSemantics_closure0: function CompoundSelector_hasComplicatedSuperselectorSemantics_closure0() {
  	    },
  	    Configuration0: function Configuration0(t0, t1) {
  	      this._configuration0$_values = t0;
  	      this._configuration0$__originalConfiguration = t1;
  	    },
  	    ExplicitConfiguration0: function ExplicitConfiguration0(t0, t1, t2) {
  	      this.nodeWithSpan = t0;
  	      this._configuration0$_values = t1;
  	      this._configuration0$__originalConfiguration = t2;
  	    },
  	    ConfiguredValue0: function ConfiguredValue0(t0, t1, t2) {
  	      this.value = t0;
  	      this.configurationSpan = t1;
  	      this.assignmentNode = t2;
  	    },
  	    ConfiguredVariable0: function ConfiguredVariable0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _.expression = t1;
  	      _.isGuarded = t2;
  	      _.span = t3;
  	    },
  	    ContentBlock$0(parameters, children, span) {
  	      var _s8_ = "@content",
  	        t1 = A.stringReplaceAllUnchecked(_s8_, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure0());
  	      return new A.ContentBlock0(t1, _s8_, parameters, span, t2, t3);
  	    },
  	    ContentBlock0: function ContentBlock0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    ContentRule0: function ContentRule0(t0, t1) {
  	      this.$arguments = t0;
  	      this.span = t1;
  	    },
  	    _disallowedFunctionNames_closure0: function _disallowedFunctionNames_closure0() {
  	    },
  	    CssParser0: function CssParser0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._parseSelectors = t0;
  	      _._stylesheet0$_isUseAllowed = true;
  	      _._stylesheet0$_inExpression = _._stylesheet0$_inParentheses = _._stylesheet0$_inStyleRule = _._stylesheet0$_inPlainCssFunction = _._stylesheet0$_inUnknownAtRule = _._stylesheet0$_inControlDirective = _._stylesheet0$_inContentBlock = _._stylesheet0$_inMixin = false;
  	      _._stylesheet0$_globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._parser1$_interpolationMap = t4;
  	    },
  	    DebugRule0: function DebugRule0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    ModifiableCssDeclaration$0($name, value, span, parsedAsSassScript, valueSpanForMap) {
  	      var t2,
  	        t1 = valueSpanForMap == null ? value.span : valueSpanForMap;
  	      if (!parsedAsSassScript) {
  	        t2 = value.value;
  	        if (!(t2 instanceof A.SassString0))
  	          A.throwExpression(A.ArgumentError$(string$.If_par + value.toString$0(0) + "` of type " + A.getRuntimeTypeOfDartObject(t2).toString$0(0) + ").", null));
  	      }
  	      return new A.ModifiableCssDeclaration0($name, value, parsedAsSassScript, t1, span);
  	    },
  	    ModifiableCssDeclaration0: function ModifiableCssDeclaration0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.parsedAsSassScript = t2;
  	      _.valueSpanForMap = t3;
  	      _.span = t4;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    Declaration$0($name, value, span) {
  	      return new A.Declaration0($name, value, span, true, null, false);
  	    },
  	    Declaration$notSassScript0($name, value, span) {
  	      return new A.Declaration0($name, value, span, false, null, false);
  	    },
  	    Declaration$nested0($name, children, span, value) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.Declaration0($name, value, span, true, t1, t2);
  	    },
  	    Declaration0: function Declaration0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.value = t1;
  	      _.span = t2;
  	      _.parsedAsSassScript = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    SupportsDeclaration0: function SupportsDeclaration0(t0, t1, t2) {
  	      this.name = t0;
  	      this.value = t1;
  	      this.span = t2;
  	    },
  	    DefaultLogger0: function DefaultLogger0() {
  	    },
  	    Deprecation_fromId0(id) {
  	      return A.IterableExtension_firstWhereOrNull(B.List_0vi, new A.Deprecation_fromId_closure0(id));
  	    },
  	    Deprecation_forVersion0(version) {
  	      var t2, _i, deprecation, $self, t3,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.Deprecation_3);
  	      for (t2 = A.VersionRange_VersionRange(true, version).get$allows(), _i = 0; _i < 30; ++_i) {
  	        deprecation = B.List_0vi[_i];
  	        $self = deprecation._deprecation$_deprecatedIn;
  	        t3 = $self == null ? null : A.Version___parse_tearOff($self);
  	        t3 = t3 == null ? null : t2.call$1(t3);
  	        if (t3 == null ? false : t3) {
  	          $self = deprecation._deprecation$_obsoleteIn;
  	          if ($self == null)
  	            t3 = null;
  	          else
  	            t3 = A.Version___parse_tearOff($self);
  	          t3 = t3 == null;
  	        } else
  	          t3 = false;
  	        if (t3)
  	          t1.add$1(0, deprecation);
  	      }
  	      return t1;
  	    },
  	    Deprecation0: function Deprecation0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.id = t0;
  	      _._deprecation$_deprecatedIn = t1;
  	      _.description = t2;
  	      _._deprecation$_obsoleteIn = t3;
  	      _.index = t4;
  	      _._name = t5;
  	    },
  	    Deprecation_fromId_closure0: function Deprecation_fromId_closure0(t0) {
  	      this.id = t0;
  	    },
  	    DeprecationProcessingLogger0: function DeprecationProcessingLogger0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._deprecation_processing$_warningCounts = t0;
  	      _._deprecation_processing$_inner = t1;
  	      _.silenceDeprecations = t2;
  	      _.fatalDeprecations = t3;
  	      _.futureDeprecations = t4;
  	      _.limitRepetition = t5;
  	    },
  	    DeprecationProcessingLogger_summarize_closure1: function DeprecationProcessingLogger_summarize_closure1() {
  	    },
  	    DeprecationProcessingLogger_summarize_closure2: function DeprecationProcessingLogger_summarize_closure2() {
  	    },
  	    parseDeprecations(logger, deprecations, supportVersions) {
  	      if (deprecations == null)
  	        return null;
  	      return new A.parseDeprecations_closure(deprecations, logger, supportVersions).call$0();
  	    },
  	    Deprecation1: function Deprecation1() {
  	    },
  	    deprecations_closure: function deprecations_closure(t0) {
  	      this.deprecation = t0;
  	    },
  	    parseDeprecations_closure: function parseDeprecations_closure(t0, t1, t2) {
  	      this.deprecations = t0;
  	      this.logger = t1;
  	      this.supportVersions = t2;
  	    },
  	    versionClass_closure: function versionClass_closure() {
  	    },
  	    versionClass__closure: function versionClass__closure() {
  	    },
  	    versionClass__closure0: function versionClass__closure0() {
  	    },
  	    DisplayP3ColorSpace0: function DisplayP3ColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    DisplayP3LinearColorSpace0: function DisplayP3LinearColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    DynamicImport0: function DynamicImport0(t0, t1) {
  	      this.urlString = t0;
  	      this.span = t1;
  	    },
  	    EachRule$0(variables, list, children, span) {
  	      var t1 = A.List_List$unmodifiable(variables, type$.String),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure0());
  	      return new A.EachRule0(t1, list, span, t2, t3);
  	    },
  	    EachRule0: function EachRule0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.variables = t0;
  	      _.list = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    EachRule_toString_closure0: function EachRule_toString_closure0() {
  	    },
  	    EmptyExtensionStore0: function EmptyExtensionStore0() {
  	    },
  	    Environment$0() {
  	      var t1 = type$.String,
  	        t2 = type$.Module_Callable_2,
  	        t3 = type$.AstNode_2,
  	        t4 = type$.int,
  	        t5 = type$.Callable_2,
  	        t6 = type$.JSArray_Map_String_Callable_2;
  	      return new A.Environment0(A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), null, null, A._setArrayType([], type$.JSArray_Module_Callable_2), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value_2)], type$.JSArray_Map_String_Value_2), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t3)], type$.JSArray_Map_String_AstNode_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), A._setArrayType([A.LinkedHashMap_LinkedHashMap$_empty(t1, t5)], t6), A.LinkedHashMap_LinkedHashMap$_empty(t1, t4), null, A.LinkedHashSet_LinkedHashSet$_empty(t1));
  	    },
  	    Environment$_0(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, _functions, _mixins, _content, _configurableVariables) {
  	      var t1 = type$.String,
  	        t2 = type$.int;
  	      return new A.Environment0(_modules, _namespaceNodes, _globalModules, _importedModules, _forwardedModules, _nestedForwardedModules, _allModules, _variables, _variableNodes, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _functions, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _mixins, A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), _content, _configurableVariables);
  	    },
  	    _EnvironmentModule__EnvironmentModule1(environment, css, preModuleComments, extensionStore, forwarded) {
  	      var t1, t2, t3, t4, t5, t6, module, result, t7;
  	      if (forwarded == null)
  	        forwarded = B.Set_empty5;
  	      t1 = type$.dynamic;
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t2 = type$.Module_Callable_2, t3 = type$.List_CssComment_2, t4 = A.MapExtensions_get_pairs0(preModuleComments, t2, t3), t4 = t4.get$iterator(t4), t5 = type$.CssComment_2; t4.moveNext$0();) {
  	        t6 = t4.get$current(t4);
  	        module = t6._0;
  	        result = A.List_List$from(t6._1, false, t5);
  	        result.$flags = 3;
  	        t1.$indexSet(0, module, result);
  	      }
  	      t1 = A.ConstantMap_ConstantMap$from(t1, t2, t3);
  	      t2 = A._EnvironmentModule__makeModulesByVariable1(forwarded);
  	      t3 = A._EnvironmentModule__memberMap1(B.JSArray_methods.get$first(environment._environment0$_variables), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure11(), type$.Map_String_Value_2), type$.Value_2);
  	      t4 = A._EnvironmentModule__memberMap1(B.JSArray_methods.get$first(environment._environment0$_variableNodes), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure12(), type$.Map_String_AstNode_2), type$.AstNode_2);
  	      t5 = type$.Map_String_Callable_2;
  	      t6 = type$.Callable_2;
  	      t7 = A._EnvironmentModule__memberMap1(B.JSArray_methods.get$first(environment._environment0$_functions), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure13(), t5), t6);
  	      t6 = A._EnvironmentModule__memberMap1(B.JSArray_methods.get$first(environment._environment0$_mixins), forwarded.map$1$1(0, new A._EnvironmentModule__EnvironmentModule_closure14(), t5), t6);
  	      t5 = J.get$isNotEmpty$asx(css.get$children(css)) || preModuleComments.get$isNotEmpty(preModuleComments) || B.JSArray_methods.any$1(environment._environment0$_allModules, new A._EnvironmentModule__EnvironmentModule_closure15());
  	      return A._EnvironmentModule$_1(environment, css, t1, extensionStore, t2, t3, t4, t7, t6, t5, !extensionStore.get$isEmpty(extensionStore) || B.JSArray_methods.any$1(environment._environment0$_allModules, new A._EnvironmentModule__EnvironmentModule_closure16()));
  	    },
  	    _EnvironmentModule__makeModulesByVariable1(forwarded) {
  	      var modulesByVariable, t1, t2, t3, t4, t5;
  	      if (forwarded.get$isEmpty(forwarded))
  	        return B.Map_empty11;
  	      modulesByVariable = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Module_Callable_2);
  	      for (t1 = forwarded.get$iterator(forwarded); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        if (t2 instanceof A._EnvironmentModule1) {
  	          for (t3 = t2._environment0$_modulesByVariable, t3 = t3.get$values(t3), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	            t4 = t3.get$current(t3);
  	            t5 = t4.get$variables();
  	            A.setAll0(modulesByVariable, t5.get$keys(t5), t4);
  	          }
  	          t3 = B.JSArray_methods.get$first(t2._environment0$_environment._environment0$_variables);
  	          A.setAll0(modulesByVariable, t3.get$keys(t3), t2);
  	        } else {
  	          t3 = t2.get$variables();
  	          A.setAll0(modulesByVariable, t3.get$keys(t3), t2);
  	        }
  	      }
  	      return modulesByVariable;
  	    },
  	    _EnvironmentModule__memberMap1(localMap, otherMaps, $V) {
  	      var t1, t2, t3;
  	      localMap = new A.PublicMemberMapView0(localMap, $V._eval$1("PublicMemberMapView0<0>"));
  	      if (otherMaps.get$isEmpty(otherMaps))
  	        return localMap;
  	      t1 = A._setArrayType([], $V._eval$1("JSArray<Map<String,0>>"));
  	      for (t2 = otherMaps.get$iterator(otherMaps); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.get$isNotEmpty(t3))
  	          t1.push(t3);
  	      }
  	      t1.push(localMap);
  	      if (t1.length === 1)
  	        return localMap;
  	      return A.MergedMapView$0(t1, type$.String, $V);
  	    },
  	    _EnvironmentModule$_1(_environment, css, preModuleComments, extensionStore, _modulesByVariable, variables, variableNodes, functions, mixins, transitivelyContainsCss, transitivelyContainsExtensions) {
  	      return new A._EnvironmentModule1(_environment._environment0$_allModules, variables, variableNodes, functions, mixins, extensionStore, css, preModuleComments, transitivelyContainsCss, transitivelyContainsExtensions, _environment, _modulesByVariable);
  	    },
  	    Environment0: function Environment0(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15) {
  	      var _ = this;
  	      _._environment0$_modules = t0;
  	      _._environment0$_namespaceNodes = t1;
  	      _._environment0$_globalModules = t2;
  	      _._environment0$_importedModules = t3;
  	      _._environment0$_forwardedModules = t4;
  	      _._environment0$_nestedForwardedModules = t5;
  	      _._environment0$_allModules = t6;
  	      _._environment0$_variables = t7;
  	      _._environment0$_variableNodes = t8;
  	      _._environment0$_variableIndices = t9;
  	      _._environment0$_functions = t10;
  	      _._environment0$_functionIndices = t11;
  	      _._environment0$_mixins = t12;
  	      _._environment0$_mixinIndices = t13;
  	      _._environment0$_content = t14;
  	      _._environment0$_configurableVariables = t15;
  	      _._environment0$_inMixin = false;
  	      _._environment0$_inSemiGlobalScope = true;
  	      _._environment0$_lastVariableIndex = _._environment0$_lastVariableName = null;
  	    },
  	    Environment__getVariableFromGlobalModule_closure0: function Environment__getVariableFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    Environment_setVariable_closure2: function Environment_setVariable_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    Environment_setVariable_closure3: function Environment_setVariable_closure3(t0) {
  	      this.name = t0;
  	    },
  	    Environment_setVariable_closure4: function Environment_setVariable_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.name = t1;
  	    },
  	    Environment__getFunctionFromGlobalModule_closure0: function Environment__getFunctionFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    Environment__getMixinFromGlobalModule_closure0: function Environment__getMixinFromGlobalModule_closure0(t0) {
  	      this.name = t0;
  	    },
  	    Environment_toModule_closure0: function Environment_toModule_closure0() {
  	    },
  	    Environment_toDummyModule_closure0: function Environment_toDummyModule_closure0() {
  	    },
  	    _EnvironmentModule1: function _EnvironmentModule1(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11) {
  	      var _ = this;
  	      _.upstream = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.extensionStore = t5;
  	      _.css = t6;
  	      _.preModuleComments = t7;
  	      _.transitivelyContainsCss = t8;
  	      _.transitivelyContainsExtensions = t9;
  	      _._environment0$_environment = t10;
  	      _._environment0$_modulesByVariable = t11;
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure11: function _EnvironmentModule__EnvironmentModule_closure11() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure12: function _EnvironmentModule__EnvironmentModule_closure12() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure13: function _EnvironmentModule__EnvironmentModule_closure13() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure14: function _EnvironmentModule__EnvironmentModule_closure14() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure15: function _EnvironmentModule__EnvironmentModule_closure15() {
  	    },
  	    _EnvironmentModule__EnvironmentModule_closure16: function _EnvironmentModule__EnvironmentModule_closure16() {
  	    },
  	    _EnvironmentModule_couldHaveBeenConfigured_closure1: function _EnvironmentModule_couldHaveBeenConfigured_closure1(t0) {
  	      this.variables = t0;
  	    },
  	    ErrorRule0: function ErrorRule0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    _EvaluateVisitor$1(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t4,
  	        t1 = type$.Uri,
  	        t2 = type$.Module_Callable_2,
  	        t3 = A._setArrayType([], type$.JSArray_Record_2_String_and_AstNode_2);
  	      if (importCache == null)
  	        t4 = nodeImporter == null ? A.ImportCache$none() : null;
  	      else
  	        t4 = importCache;
  	      t1 = new A._EvaluateVisitor1(t4, nodeImporter, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Callable_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Configuration_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode_2), logger, A.LinkedHashSet_LinkedHashSet$_empty(type$.Record_2_String_and_SourceSpan), quietDeps, sourceMap, new A.Object(), A.Environment$0(), A.LinkedHashSet_LinkedHashSet$_empty(t1), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.nullable_AstNode_2), t3, B.Configuration_Map_empty_null0);
  	      t1._EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap1(functions, importCache, logger, nodeImporter, quietDeps, sourceMap);
  	      return t1;
  	    },
  	    _EvaluateVisitor1: function _EvaluateVisitor1(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16) {
  	      var _ = this;
  	      _._evaluate0$_importCache = t0;
  	      _._nodeImporter = t1;
  	      _._evaluate0$_builtInFunctions = t2;
  	      _._evaluate0$_builtInModules = t3;
  	      _._evaluate0$_modules = t4;
  	      _._evaluate0$_moduleConfigurations = t5;
  	      _._evaluate0$_moduleNodes = t6;
  	      _._evaluate0$_logger = t7;
  	      _._evaluate0$_warningsEmitted = t8;
  	      _._evaluate0$_quietDeps = t9;
  	      _._evaluate0$_sourceMap = t10;
  	      _._evaluate0$_compileContext = t11;
  	      _._evaluate0$_environment = t12;
  	      _._evaluate0$_declarationName = _._evaluate0$__parent = _._evaluate0$_mediaQuerySources = _._evaluate0$_mediaQueries = _._evaluate0$_styleRuleIgnoringAtRoot = null;
  	      _._evaluate0$_member = "root stylesheet";
  	      _._evaluate0$_importSpan = _._evaluate0$_callableNode = null;
  	      _._evaluate0$_inSupportsDeclaration = _._evaluate0$_inKeyframes = _._evaluate0$_atRootExcludingStyleRule = _._evaluate0$_inUnknownAtRule = _._evaluate0$_inFunction = false;
  	      _._evaluate0$_loadedUrls = t13;
  	      _._evaluate0$_activeModules = t14;
  	      _._evaluate0$_stack = t15;
  	      _._evaluate0$_importer = null;
  	      _._evaluate0$_inDependency = false;
  	      _._evaluate0$__extensionStore = _._evaluate0$_preModuleComments = _._evaluate0$_outOfOrderImports = _._evaluate0$__endOfImports = _._evaluate0$__root = _._evaluate0$__stylesheet = null;
  	      _._evaluate0$_configuration = t16;
  	    },
  	    _EvaluateVisitor_closure25: function _EvaluateVisitor_closure25(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure26: function _EvaluateVisitor_closure26(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure27: function _EvaluateVisitor_closure27(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure28: function _EvaluateVisitor_closure28(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure29: function _EvaluateVisitor_closure29(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure30: function _EvaluateVisitor_closure30(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure31: function _EvaluateVisitor_closure31(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure32: function _EvaluateVisitor_closure32(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure33: function _EvaluateVisitor_closure33(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure10: function _EvaluateVisitor__closure10(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure34: function _EvaluateVisitor_closure34(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure9: function _EvaluateVisitor__closure9(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.module = t2;
  	    },
  	    _EvaluateVisitor_closure35: function _EvaluateVisitor_closure35(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure36: function _EvaluateVisitor_closure36(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__closure7: function _EvaluateVisitor__closure7(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.values = t1;
  	      _.span = t2;
  	      _.callableNode = t3;
  	    },
  	    _EvaluateVisitor__closure8: function _EvaluateVisitor__closure8(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_closure37: function _EvaluateVisitor_closure37(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_run_closure1: function _EvaluateVisitor_run_closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.importer = t2;
  	    },
  	    _EvaluateVisitor_run__closure1: function _EvaluateVisitor_run__closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.importer = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__loadModule_closure3: function _EvaluateVisitor__loadModule_closure3(t0, t1) {
  	      this._box_0 = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__loadModule_closure4: function _EvaluateVisitor__loadModule_closure4(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.url = t1;
  	      _.nodeWithSpan = t2;
  	      _.baseUrl = t3;
  	      _.namesInErrors = t4;
  	      _.configuration = t5;
  	      _.callback = t6;
  	    },
  	    _EvaluateVisitor__loadModule__closure3: function _EvaluateVisitor__loadModule__closure3(t0, t1) {
  	      this.$this = t0;
  	      this.message = t1;
  	    },
  	    _EvaluateVisitor__loadModule__closure4: function _EvaluateVisitor__loadModule__closure4(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.callback = t1;
  	      this.firstLoad = t2;
  	    },
  	    _EvaluateVisitor__execute_closure1: function _EvaluateVisitor__execute_closure1(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.stylesheet = t2;
  	      _.extensionStore = t3;
  	      _.configuration = t4;
  	      _.css = t5;
  	      _.preModuleComments = t6;
  	    },
  	    _EvaluateVisitor__combineCss_closure3: function _EvaluateVisitor__combineCss_closure3() {
  	    },
  	    _EvaluateVisitor__combineCss_closure4: function _EvaluateVisitor__combineCss_closure4(t0) {
  	      this.selectors = t0;
  	    },
  	    _EvaluateVisitor__combineCss_visitModule1: function _EvaluateVisitor__combineCss_visitModule1(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.seen = t1;
  	      _.clone = t2;
  	      _.css = t3;
  	      _.imports = t4;
  	      _.sorted = t5;
  	    },
  	    _EvaluateVisitor__extendModules_closure3: function _EvaluateVisitor__extendModules_closure3(t0) {
  	      this.originalSelectors = t0;
  	    },
  	    _EvaluateVisitor__extendModules_closure4: function _EvaluateVisitor__extendModules_closure4() {
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure3: function _EvaluateVisitor_visitAtRootRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitAtRootRule_closure4: function _EvaluateVisitor_visitAtRootRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure11: function _EvaluateVisitor__scopeForAtRoot_closure11(t0, t1, t2) {
  	      this.$this = t0;
  	      this.newParent = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure12: function _EvaluateVisitor__scopeForAtRoot_closure12(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure13: function _EvaluateVisitor__scopeForAtRoot_closure13(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot__closure1: function _EvaluateVisitor__scopeForAtRoot__closure1(t0, t1) {
  	      this.innerScope = t0;
  	      this.callback = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure14: function _EvaluateVisitor__scopeForAtRoot_closure14(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure15: function _EvaluateVisitor__scopeForAtRoot_closure15() {
  	    },
  	    _EvaluateVisitor__scopeForAtRoot_closure16: function _EvaluateVisitor__scopeForAtRoot_closure16(t0, t1) {
  	      this.$this = t0;
  	      this.innerScope = t1;
  	    },
  	    _EvaluateVisitor_visitContentRule_closure1: function _EvaluateVisitor_visitContentRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.content = t1;
  	    },
  	    _EvaluateVisitor_visitDeclaration_closure1: function _EvaluateVisitor_visitDeclaration_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure5: function _EvaluateVisitor_visitEachRule_closure5(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure6: function _EvaluateVisitor_visitEachRule_closure6(t0, t1, t2) {
  	      this._box_1 = t0;
  	      this.$this = t1;
  	      this.nodeWithSpan = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule_closure7: function _EvaluateVisitor_visitEachRule_closure7(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.list = t1;
  	      _.setVariables = t2;
  	      _.node = t3;
  	    },
  	    _EvaluateVisitor_visitEachRule__closure1: function _EvaluateVisitor_visitEachRule__closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.setVariables = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitEachRule___closure1: function _EvaluateVisitor_visitEachRule___closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure7: function _EvaluateVisitor_visitAtRule_closure7(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure8: function _EvaluateVisitor_visitAtRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure9: function _EvaluateVisitor_visitAtRule_closure9(t0, t1, t2) {
  	      this.$this = t0;
  	      this.name = t1;
  	      this.children = t2;
  	    },
  	    _EvaluateVisitor_visitAtRule__closure1: function _EvaluateVisitor_visitAtRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.children = t1;
  	    },
  	    _EvaluateVisitor_visitAtRule_closure10: function _EvaluateVisitor_visitAtRule_closure10() {
  	    },
  	    _EvaluateVisitor_visitForRule_closure9: function _EvaluateVisitor_visitForRule_closure9(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure10: function _EvaluateVisitor_visitForRule_closure10(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure11: function _EvaluateVisitor_visitForRule_closure11(t0) {
  	      this.fromNumber = t0;
  	    },
  	    _EvaluateVisitor_visitForRule_closure12: function _EvaluateVisitor_visitForRule_closure12(t0, t1) {
  	      this.toNumber = t0;
  	      this.fromNumber = t1;
  	    },
  	    _EvaluateVisitor_visitForRule_closure13: function _EvaluateVisitor_visitForRule_closure13(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.from = t3;
  	      _.direction = t4;
  	      _.fromNumber = t5;
  	    },
  	    _EvaluateVisitor_visitForRule__closure1: function _EvaluateVisitor_visitForRule__closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure3: function _EvaluateVisitor_visitForwardRule_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitForwardRule_closure4: function _EvaluateVisitor_visitForwardRule_closure4(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__registerCommentsForModule_closure1: function _EvaluateVisitor__registerCommentsForModule_closure1() {
  	    },
  	    _EvaluateVisitor_visitIfRule_closure1: function _EvaluateVisitor_visitIfRule_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIfRule__closure1: function _EvaluateVisitor_visitIfRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.clause = t1;
  	    },
  	    _EvaluateVisitor_visitIfRule___closure1: function _EvaluateVisitor_visitIfRule___closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport_closure1: function _EvaluateVisitor__visitDynamicImport_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.$import = t1;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure7: function _EvaluateVisitor__visitDynamicImport__closure7(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure8: function _EvaluateVisitor__visitDynamicImport__closure8() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure9: function _EvaluateVisitor__visitDynamicImport__closure9() {
  	    },
  	    _EvaluateVisitor__visitDynamicImport__closure10: function _EvaluateVisitor__visitDynamicImport__closure10(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.loadsUserDefinedModules = t2;
  	      _.environment = t3;
  	      _.children = t4;
  	    },
  	    _EvaluateVisitor__applyMixin_closure3: function _EvaluateVisitor__applyMixin_closure3(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure4: function _EvaluateVisitor__applyMixin__closure4(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.$arguments = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin_closure4: function _EvaluateVisitor__applyMixin_closure4(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.contentCallable = t1;
  	      _.mixin = t2;
  	      _.nodeWithSpanWithoutContent = t3;
  	    },
  	    _EvaluateVisitor__applyMixin__closure3: function _EvaluateVisitor__applyMixin__closure3(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin___closure1: function _EvaluateVisitor__applyMixin___closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.mixin = t1;
  	      this.nodeWithSpanWithoutContent = t2;
  	    },
  	    _EvaluateVisitor__applyMixin____closure1: function _EvaluateVisitor__applyMixin____closure1(t0, t1) {
  	      this.$this = t0;
  	      this.statement = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure5: function _EvaluateVisitor_visitIncludeRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure6: function _EvaluateVisitor_visitIncludeRule_closure6(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitIncludeRule_closure7: function _EvaluateVisitor_visitIncludeRule_closure7(t0) {
  	      this.node = t0;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure7: function _EvaluateVisitor_visitMediaRule_closure7(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure8: function _EvaluateVisitor_visitMediaRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.queries = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure9: function _EvaluateVisitor_visitMediaRule_closure9(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.queries = t2;
  	      _.mergedSources = t3;
  	      _.node = t4;
  	    },
  	    _EvaluateVisitor_visitMediaRule__closure1: function _EvaluateVisitor_visitMediaRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule___closure1: function _EvaluateVisitor_visitMediaRule___closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitMediaRule_closure10: function _EvaluateVisitor_visitMediaRule_closure10(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure7: function _EvaluateVisitor_visitStyleRule_closure7(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure8: function _EvaluateVisitor_visitStyleRule_closure8() {
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure10: function _EvaluateVisitor_visitStyleRule_closure10(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitStyleRule__closure1: function _EvaluateVisitor_visitStyleRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitStyleRule_closure9: function _EvaluateVisitor_visitStyleRule_closure9() {
  	    },
  	    _EvaluateVisitor__warnForBogusCombinators_closure1: function _EvaluateVisitor__warnForBogusCombinators_closure1() {
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure5: function _EvaluateVisitor_visitSupportsRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure6: function _EvaluateVisitor_visitSupportsRule_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule__closure1: function _EvaluateVisitor_visitSupportsRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitSupportsRule_closure7: function _EvaluateVisitor_visitSupportsRule_closure7() {
  	    },
  	    _EvaluateVisitor__visitSupportsCondition_closure1: function _EvaluateVisitor__visitSupportsCondition_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure5: function _EvaluateVisitor_visitVariableDeclaration_closure5(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure6: function _EvaluateVisitor_visitVariableDeclaration_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitVariableDeclaration_closure7: function _EvaluateVisitor_visitVariableDeclaration_closure7(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.value = t2;
  	    },
  	    _EvaluateVisitor_visitUseRule_closure1: function _EvaluateVisitor_visitUseRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWarnRule_closure1: function _EvaluateVisitor_visitWarnRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule_closure1: function _EvaluateVisitor_visitWhileRule_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitWhileRule__closure1: function _EvaluateVisitor_visitWhileRule__closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitBinaryOperationExpression_closure1: function _EvaluateVisitor_visitBinaryOperationExpression_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__slash_recommendation1: function _EvaluateVisitor__slash_recommendation1() {
  	    },
  	    _EvaluateVisitor_visitVariableExpression_closure1: function _EvaluateVisitor_visitVariableExpression_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitUnaryOperationExpression_closure1: function _EvaluateVisitor_visitUnaryOperationExpression_closure1(t0, t1) {
  	      this.node = t0;
  	      this.operand = t1;
  	    },
  	    _EvaluateVisitor_visitIfExpression_closure1: function _EvaluateVisitor_visitIfExpression_closure1() {
  	    },
  	    _EvaluateVisitor_visitIfConditionOperation_closure1: function _EvaluateVisitor_visitIfConditionOperation_closure1() {
  	    },
  	    _EvaluateVisitor_visitListExpression_closure1: function _EvaluateVisitor_visitListExpression_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure5: function _EvaluateVisitor_visitFunctionExpression_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure6: function _EvaluateVisitor_visitFunctionExpression_closure6() {
  	    },
  	    _EvaluateVisitor_visitFunctionExpression_closure7: function _EvaluateVisitor_visitFunctionExpression_closure7(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor__visitCalculation_closure1: function _EvaluateVisitor__visitCalculation_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__checkCalculationArguments_check1: function _EvaluateVisitor__checkCalculationArguments_check1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression_closure1: function _EvaluateVisitor__visitCalculationExpression_closure1(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.node = t2;
  	      _.inLegacySassFunction = t3;
  	    },
  	    _EvaluateVisitor__visitCalculationExpression__closure1: function _EvaluateVisitor__visitCalculationExpression__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitInterpolatedFunctionExpression_closure1: function _EvaluateVisitor_visitInterpolatedFunctionExpression_closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.node = t1;
  	      this.$function = t2;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable_closure1: function _EvaluateVisitor__runUserDefinedCallable_closure1(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.callable = t1;
  	      _.evaluated = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable__closure1: function _EvaluateVisitor__runUserDefinedCallable__closure1(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable___closure1: function _EvaluateVisitor__runUserDefinedCallable___closure1(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.evaluated = t1;
  	      _.callable = t2;
  	      _.nodeWithSpan = t3;
  	      _.run = t4;
  	      _.V = t5;
  	    },
  	    _EvaluateVisitor__runUserDefinedCallable____closure1: function _EvaluateVisitor__runUserDefinedCallable____closure1() {
  	    },
  	    _EvaluateVisitor__runFunctionCallable_closure1: function _EvaluateVisitor__runFunctionCallable_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.callable = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure5: function _EvaluateVisitor__runBuiltInCallable_closure5(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	      this.namedSet = t2;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure6: function _EvaluateVisitor__runBuiltInCallable_closure6(t0, t1) {
  	      this._box_0 = t0;
  	      this.evaluated = t1;
  	    },
  	    _EvaluateVisitor__runBuiltInCallable_closure7: function _EvaluateVisitor__runBuiltInCallable_closure7() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure7: function _EvaluateVisitor__evaluateArguments_closure7() {
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure8: function _EvaluateVisitor__evaluateArguments_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure9: function _EvaluateVisitor__evaluateArguments_closure9(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.namedNodes = t3;
  	    },
  	    _EvaluateVisitor__evaluateArguments_closure10: function _EvaluateVisitor__evaluateArguments_closure10() {
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure7: function _EvaluateVisitor__evaluateMacroArguments_closure7(t0) {
  	      this.restArgs = t0;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure8: function _EvaluateVisitor__evaluateMacroArguments_closure8(t0, t1, t2) {
  	      this.$this = t0;
  	      this.restNodeForSpan = t1;
  	      this.restArgs = t2;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure9: function _EvaluateVisitor__evaluateMacroArguments_closure9(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.named = t1;
  	      _.restNodeForSpan = t2;
  	      _.restArgs = t3;
  	    },
  	    _EvaluateVisitor__evaluateMacroArguments_closure10: function _EvaluateVisitor__evaluateMacroArguments_closure10(t0, t1, t2) {
  	      this.$this = t0;
  	      this.keywordRestNodeForSpan = t1;
  	      this.keywordRestArgs = t2;
  	    },
  	    _EvaluateVisitor__addRestMap_closure1: function _EvaluateVisitor__addRestMap_closure1(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.values = t1;
  	      _.convert = t2;
  	      _.expressionNode = t3;
  	      _.map = t4;
  	      _.nodeWithSpan = t5;
  	    },
  	    _EvaluateVisitor__verifyArguments_closure1: function _EvaluateVisitor__verifyArguments_closure1(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.positional = t1;
  	      this.named = t2;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure5: function _EvaluateVisitor_visitCssAtRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure6: function _EvaluateVisitor_visitCssAtRule_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssAtRule_closure7: function _EvaluateVisitor_visitCssAtRule_closure7() {
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure3: function _EvaluateVisitor_visitCssKeyframeBlock_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssKeyframeBlock_closure4: function _EvaluateVisitor_visitCssKeyframeBlock_closure4() {
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure7: function _EvaluateVisitor_visitCssMediaRule_closure7(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure8: function _EvaluateVisitor_visitCssMediaRule_closure8(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure9: function _EvaluateVisitor_visitCssMediaRule_closure9(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.mergedQueries = t1;
  	      _.node = t2;
  	      _.mergedSources = t3;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule__closure1: function _EvaluateVisitor_visitCssMediaRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule___closure1: function _EvaluateVisitor_visitCssMediaRule___closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssMediaRule_closure10: function _EvaluateVisitor_visitCssMediaRule_closure10(t0) {
  	      this.mergedSources = t0;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure4: function _EvaluateVisitor_visitCssStyleRule_closure4(t0, t1, t2) {
  	      this.$this = t0;
  	      this.rule = t1;
  	      this.node = t2;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule__closure1: function _EvaluateVisitor_visitCssStyleRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssStyleRule_closure3: function _EvaluateVisitor_visitCssStyleRule_closure3() {
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure5: function _EvaluateVisitor_visitCssSupportsRule_closure5(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure6: function _EvaluateVisitor_visitCssSupportsRule_closure6(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule__closure1: function _EvaluateVisitor_visitCssSupportsRule__closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _EvaluateVisitor_visitCssSupportsRule_closure7: function _EvaluateVisitor_visitCssSupportsRule_closure7() {
  	    },
  	    _EvaluateVisitor__performInterpolationHelper_closure1: function _EvaluateVisitor__performInterpolationHelper_closure1(t0) {
  	      this.interpolation = t0;
  	    },
  	    _EvaluateVisitor__serialize_closure1: function _EvaluateVisitor__serialize_closure1(t0, t1) {
  	      this.value = t0;
  	      this.quote = t1;
  	    },
  	    _EvaluateVisitor__expressionNode_closure1: function _EvaluateVisitor__expressionNode_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.expression = t1;
  	    },
  	    _EvaluateVisitor__withoutSlash_recommendation1: function _EvaluateVisitor__withoutSlash_recommendation1() {
  	    },
  	    _EvaluateVisitor__stackFrame_closure1: function _EvaluateVisitor__stackFrame_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _ImportedCssVisitor1: function _ImportedCssVisitor1(t0) {
  	      this._evaluate0$_visitor = t0;
  	    },
  	    _ImportedCssVisitor_visitCssAtRule_closure1: function _ImportedCssVisitor_visitCssAtRule_closure1() {
  	    },
  	    _ImportedCssVisitor_visitCssMediaRule_closure1: function _ImportedCssVisitor_visitCssMediaRule_closure1(t0) {
  	      this.hasBeenMerged = t0;
  	    },
  	    _ImportedCssVisitor_visitCssStyleRule_closure1: function _ImportedCssVisitor_visitCssStyleRule_closure1() {
  	    },
  	    _ImportedCssVisitor_visitCssSupportsRule_closure1: function _ImportedCssVisitor_visitCssSupportsRule_closure1() {
  	    },
  	    _EvaluationContext1: function _EvaluationContext1(t0, t1) {
  	      this._evaluate0$_visitor = t0;
  	      this._evaluate0$_defaultWarnNodeWithSpan = t1;
  	    },
  	    EveryCssVisitor0: function EveryCssVisitor0() {
  	    },
  	    EveryCssVisitor_visitCssAtRule_closure0: function EveryCssVisitor_visitCssAtRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssKeyframeBlock_closure0: function EveryCssVisitor_visitCssKeyframeBlock_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssMediaRule_closure0: function EveryCssVisitor_visitCssMediaRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssStyleRule_closure0: function EveryCssVisitor_visitCssStyleRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssStylesheet_closure0: function EveryCssVisitor_visitCssStylesheet_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    EveryCssVisitor_visitCssSupportsRule_closure0: function EveryCssVisitor_visitCssSupportsRule_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    throwNodeException(exception, ascii, color, trace) {
  	      var wasAscii, jsException, t1, trace0;
  	      trace = trace;
  	      wasAscii = $._glyphs === B.C_AsciiGlyphSet;
  	      $._glyphs = ascii ? B.C_AsciiGlyphSet : B.C_UnicodeGlyphSet;
  	      try {
  	        t1 = A.callConstructor($.$get$exceptionClass(), [exception, B.JSString_methods.replaceFirst$2(exception.toString$1$color(0, color), "Error: ", "")]);
  	        jsException = type$._NodeException._as(t1);
  	        trace0 = A.getTrace0(exception);
  	        trace = trace0 == null ? trace : trace0;
  	        if (trace != null)
  	          A.attachJsStack(jsException, trace);
  	        A.jsThrow(jsException);
  	      } finally {
  	        $._glyphs = wasAscii ? B.C_AsciiGlyphSet : B.C_UnicodeGlyphSet;
  	      }
  	    },
  	    _NodeException: function _NodeException() {
  	    },
  	    exceptionClass_closure: function exceptionClass_closure() {
  	    },
  	    exceptionClass__closure: function exceptionClass__closure() {
  	    },
  	    exceptionClass__closure0: function exceptionClass__closure0() {
  	    },
  	    exceptionClass__closure1: function exceptionClass__closure1() {
  	    },
  	    SassException$0(message, span, loadedUrls) {
  	      return new A.SassException0(loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassException$0(message, span, primaryLabel, secondarySpans, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassException0(primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassRuntimeException$0(message, span, trace, loadedUrls) {
  	      return new A.SassRuntimeException0(trace, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassRuntimeException$0(message, span, primaryLabel, secondarySpans, trace, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassRuntimeException0(trace, primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassFormatException$0(message, span, loadedUrls) {
  	      return new A.SassFormatException0(loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    MultiSpanSassFormatException$0(message, span, primaryLabel, secondarySpans, loadedUrls) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassFormatException0(primaryLabel, t1, loadedUrls == null ? B.Set_empty : A.Set_Set$unmodifiable(loadedUrls, type$.Uri), message, span);
  	    },
  	    SassScriptException$0(message, argumentName) {
  	      return new A.SassScriptException0(argumentName == null ? message : "$" + argumentName + ": " + message);
  	    },
  	    MultiSpanSassScriptException$0(message, primaryLabel, secondarySpans) {
  	      var t1 = A.ConstantMap_ConstantMap$from(secondarySpans, type$.FileSpan, type$.String);
  	      return new A.MultiSpanSassScriptException0(primaryLabel, t1, message);
  	    },
  	    SassException0: function SassException0(t0, t1, t2) {
  	      this.loadedUrls = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    MultiSpanSassException0: function MultiSpanSassException0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.primaryLabel = t0;
  	      _.secondarySpans = t1;
  	      _.loadedUrls = t2;
  	      _._span_exception$_message = t3;
  	      _._span = t4;
  	    },
  	    SassRuntimeException0: function SassRuntimeException0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.trace = t0;
  	      _.loadedUrls = t1;
  	      _._span_exception$_message = t2;
  	      _._span = t3;
  	    },
  	    MultiSpanSassRuntimeException0: function MultiSpanSassRuntimeException0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.trace = t0;
  	      _.primaryLabel = t1;
  	      _.secondarySpans = t2;
  	      _.loadedUrls = t3;
  	      _._span_exception$_message = t4;
  	      _._span = t5;
  	    },
  	    SassFormatException0: function SassFormatException0(t0, t1, t2) {
  	      this.loadedUrls = t0;
  	      this._span_exception$_message = t1;
  	      this._span = t2;
  	    },
  	    MultiSpanSassFormatException0: function MultiSpanSassFormatException0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.primaryLabel = t0;
  	      _.secondarySpans = t1;
  	      _.loadedUrls = t2;
  	      _._span_exception$_message = t3;
  	      _._span = t4;
  	    },
  	    SassScriptException0: function SassScriptException0(t0) {
  	      this.message = t0;
  	    },
  	    MultiSpanSassScriptException0: function MultiSpanSassScriptException0(t0, t1, t2) {
  	      this.primaryLabel = t0;
  	      this.secondarySpans = t1;
  	      this.message = t2;
  	    },
  	    Exports: function Exports() {
  	    },
  	    LoggerNamespace: function LoggerNamespace() {
  	    },
  	    Expression0: function Expression0() {
  	    },
  	    JSExpressionVisitor: function JSExpressionVisitor(t0) {
  	      this._expression$_inner = t0;
  	    },
  	    JSExpressionVisitorObject: function JSExpressionVisitorObject() {
  	    },
  	    expressionToCalc0(expression) {
  	      var t1 = A.ArgumentList$0(A._setArrayType([B.C__MakeExpressionCalculationSafe0.visitBinaryOperationExpression$1(0, expression)], type$.JSArray_Expression_2), B.Map_empty14, B.Map_empty5, expression.get$span(0), null, null),
  	        t2 = expression.get$span(0);
  	      return new A.FunctionExpression0(null, A.stringReplaceAllUnchecked("calc", "_", "-"), "calc", t1, t2);
  	    },
  	    _MakeExpressionCalculationSafe0: function _MakeExpressionCalculationSafe0() {
  	    },
  	    __MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0: function __MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0() {
  	    },
  	    ExtendRule0: function ExtendRule0(t0, t1, t2) {
  	      this.selector = t0;
  	      this.isOptional = t1;
  	      this.span = t2;
  	    },
  	    Extension0: function Extension0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.extender = t0;
  	      _.target = t1;
  	      _.mediaContext = t2;
  	      _.isOptional = t3;
  	      _.span = t4;
  	    },
  	    Extender0: function Extender0(t0, t1) {
  	      this.selector = t0;
  	      this.isOriginal = t1;
  	      this._extension$_extension = null;
  	    },
  	    ExtensionStore__extendOrReplace0(selector, source, targets, mode, span) {
  	      var t1, t2, t3, t4, t5, t6, t7, t8, _i, complex, compound, t9, t10, t11, _i0, simple, t12, _i1, t13, t14,
  	        extender = A.ExtensionStore$_mode0(mode);
  	      if (!selector.accept$1(B._IsInvisibleVisitor_true0))
  	        extender._extension_store$_originals.addAll$1(0, selector.components);
  	      for (t1 = targets.components, t2 = t1.length, t3 = source.components, t4 = t3.length, t5 = type$.ComplexSelector_2, t6 = type$.Extension_2, t7 = type$.SimpleSelector_2, t8 = type$.Map_ComplexSelector_Extension_2, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        compound = complex.get$singleCompound();
  	        if (compound == null)
  	          throw A.wrapException(A.SassScriptException$0("Can't extend complex selector " + complex.toString$0(0) + ".", null));
  	        t9 = A.LinkedHashMap_LinkedHashMap$_empty(t7, t8);
  	        for (t10 = compound.components, t11 = t10.length, _i0 = 0; _i0 < t11; ++_i0) {
  	          simple = t10[_i0];
  	          t12 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t6);
  	          for (_i1 = 0; _i1 < t4; ++_i1) {
  	            complex = t3[_i1];
  	            complex.get$specificity();
  	            t13 = new A.Extender0(complex, false);
  	            t14 = new A.Extension0(t13, simple, null, true, span);
  	            t13._extension$_extension = t14;
  	            t12.$indexSet(0, complex, t14);
  	          }
  	          t9.$indexSet(0, simple, t12);
  	        }
  	        selector = extender._extension_store$_extendList$2(selector, t9);
  	      }
  	      return selector;
  	    },
  	    ExtensionStore$0() {
  	      var t1 = type$.SimpleSelector_2;
  	      return new A.ExtensionStore0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Map_ComplexSelector_Extension_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.List_Extension_2), A.LinkedHashMap_LinkedHashMap$_empty(type$.ModifiableBox_SelectorList_2, type$.List_CssMediaQuery_2), new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int_2), new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector_2), B.ExtendMode_normal_0_normal0);
  	    },
  	    ExtensionStore$_mode0(_mode) {
  	      var t1 = type$.SimpleSelector_2;
  	      return new A.ExtensionStore0(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Map_ComplexSelector_Extension_2), A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.List_Extension_2), A.LinkedHashMap_LinkedHashMap$_empty(type$.ModifiableBox_SelectorList_2, type$.List_CssMediaQuery_2), new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int_2), new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector_2), _mode);
  	    },
  	    ExtensionStore0: function ExtensionStore0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._extension_store$_selectors = t0;
  	      _._extension_store$_extensions = t1;
  	      _._extension_store$_extensionsByExtender = t2;
  	      _._extension_store$_mediaContexts = t3;
  	      _._extension_store$_sourceSpecificity = t4;
  	      _._extension_store$_originals = t5;
  	      _._extension_store$_mode = t6;
  	    },
  	    ExtensionStore_extensionsWhereTarget_closure0: function ExtensionStore_extensionsWhereTarget_closure0() {
  	    },
  	    ExtensionStore__registerSelector_closure0: function ExtensionStore__registerSelector_closure0() {
  	    },
  	    ExtensionStore_addExtension_closure2: function ExtensionStore_addExtension_closure2() {
  	    },
  	    ExtensionStore_addExtension_closure3: function ExtensionStore_addExtension_closure3() {
  	    },
  	    ExtensionStore_addExtension_closure4: function ExtensionStore_addExtension_closure4(t0) {
  	      this.complex = t0;
  	    },
  	    ExtensionStore__extendExistingExtensions_closure1: function ExtensionStore__extendExistingExtensions_closure1() {
  	    },
  	    ExtensionStore__extendExistingExtensions_closure2: function ExtensionStore__extendExistingExtensions_closure2() {
  	    },
  	    ExtensionStore_addExtensions_closure0: function ExtensionStore_addExtensions_closure0() {
  	    },
  	    ExtensionStore__extendComplex_closure0: function ExtensionStore__extendComplex_closure0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.complex = t2;
  	    },
  	    ExtensionStore__extendComplex__closure0: function ExtensionStore__extendComplex__closure0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.complex = t2;
  	    },
  	    ExtensionStore__extendCompound_closure2: function ExtensionStore__extendCompound_closure2() {
  	    },
  	    ExtensionStore__extendCompound_closure3: function ExtensionStore__extendCompound_closure3() {
  	    },
  	    ExtensionStore__extendCompound_closure4: function ExtensionStore__extendCompound_closure4(t0) {
  	      this.original = t0;
  	    },
  	    ExtensionStore__extendSimple_withoutPseudo0: function ExtensionStore__extendSimple_withoutPseudo0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.extensions = t1;
  	      this.targetsUsed = t2;
  	    },
  	    ExtensionStore__extendSimple_closure1: function ExtensionStore__extendSimple_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.withoutPseudo = t1;
  	    },
  	    ExtensionStore__extendSimple_closure2: function ExtensionStore__extendSimple_closure2() {
  	    },
  	    ExtensionStore__extendPseudo_closure4: function ExtensionStore__extendPseudo_closure4() {
  	    },
  	    ExtensionStore__extendPseudo_closure5: function ExtensionStore__extendPseudo_closure5() {
  	    },
  	    ExtensionStore__extendPseudo_closure6: function ExtensionStore__extendPseudo_closure6() {
  	    },
  	    ExtensionStore__extendPseudo_closure7: function ExtensionStore__extendPseudo_closure7(t0) {
  	      this.pseudo = t0;
  	    },
  	    ExtensionStore__extendPseudo_closure8: function ExtensionStore__extendPseudo_closure8(t0, t1) {
  	      this.pseudo = t0;
  	      this.selector = t1;
  	    },
  	    ExtensionStore__trim_closure1: function ExtensionStore__trim_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.complex1 = t1;
  	    },
  	    ExtensionStore__trim_closure2: function ExtensionStore__trim_closure2(t0, t1) {
  	      this._box_0 = t0;
  	      this.complex1 = t1;
  	    },
  	    ExtensionStore_clone_closure0: function ExtensionStore_clone_closure0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.newSelectors = t1;
  	      _.newBoxes = t2;
  	      _.oldToNewSelectors = t3;
  	      _.newMediaContexts = t4;
  	    },
  	    ExtensionStore_clone__closure0: function ExtensionStore_clone__closure0(t0) {
  	      this.selector = t0;
  	    },
  	    FiberClass: function FiberClass() {
  	    },
  	    Fiber: function Fiber() {
  	    },
  	    JSToDartFileImporter: function JSToDartFileImporter(t0) {
  	      this._file0$_findFileUrl = t0;
  	    },
  	    JSToDartFileImporter_canonicalize_closure: function JSToDartFileImporter_canonicalize_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    FilesystemImporter0: function FilesystemImporter0(t0, t1) {
  	      this._filesystem$_loadPath = t0;
  	      this._filesystem$_loadPathDeprecated = t1;
  	    },
  	    FilesystemImporter_canonicalize_closure0: function FilesystemImporter_canonicalize_closure0() {
  	    },
  	    ForRule$0(variable, from, to, children, span, exclusive) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.ForRule0(variable, from, to, exclusive, span, t1, t2);
  	    },
  	    ForRule0: function ForRule0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.variable = t0;
  	      _.from = t1;
  	      _.to = t2;
  	      _.isExclusive = t3;
  	      _.span = t4;
  	      _.children = t5;
  	      _.hasDeclarations = t6;
  	    },
  	    ForwardRule0: function ForwardRule0(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.url = t0;
  	      _.shownMixinsAndFunctions = t1;
  	      _.shownVariables = t2;
  	      _.hiddenMixinsAndFunctions = t3;
  	      _.hiddenVariables = t4;
  	      _.prefix = t5;
  	      _.configuration = t6;
  	      _.span = t7;
  	    },
  	    ForwardedModuleView_ifNecessary0(inner, rule, $T) {
  	      var t2,
  	        t1 = false;
  	      if (rule.prefix == null)
  	        if (rule.shownMixinsAndFunctions == null)
  	          if (rule.shownVariables == null) {
  	            t2 = rule.hiddenMixinsAndFunctions;
  	            t2 = t2 == null ? null : t2._base.get$isEmpty(0);
  	            if (t2 === true) {
  	              t1 = rule.hiddenVariables;
  	              t1 = t1 == null ? null : t1._base.get$isEmpty(0);
  	              t1 = t1 === true;
  	            }
  	          }
  	      if (t1)
  	        return inner;
  	      else
  	        return A.ForwardedModuleView$0(inner, rule, $T);
  	    },
  	    ForwardedModuleView$0(_inner, _rule, $T) {
  	      var t1 = _rule.prefix,
  	        t2 = _rule.shownVariables,
  	        t3 = _rule.hiddenVariables,
  	        t4 = _rule.shownMixinsAndFunctions,
  	        t5 = _rule.hiddenMixinsAndFunctions;
  	      return new A.ForwardedModuleView0(_inner, _rule, A.ForwardedModuleView__forwardedMap0(_inner.get$variables(), t1, t2, t3, type$.Value_2), A.ForwardedModuleView__forwardedMap0(_inner.get$variableNodes(), t1, t2, t3, type$.AstNode_2), A.ForwardedModuleView__forwardedMap0(_inner.get$functions(_inner), t1, t4, t5, $T), A.ForwardedModuleView__forwardedMap0(_inner.get$mixins(), t1, t4, t5, $T), $T._eval$1("ForwardedModuleView0<0>"));
  	    },
  	    ForwardedModuleView__forwardedMap0(map, prefix, safelist, blocklist, $V) {
  	      var t1 = prefix == null,
  	        t2 = false;
  	      if (t1)
  	        if (safelist == null)
  	          t2 = blocklist == null || blocklist._base.get$isEmpty(0);
  	      if (t2)
  	        return map;
  	      if (!t1)
  	        map = new A.PrefixedMapView0(map, prefix, $V._eval$1("PrefixedMapView0<0>"));
  	      if (safelist != null)
  	        map = new A.LimitedMapView0(map, safelist._base.intersection$1(new A.MapKeySet(map, type$.MapKeySet_nullable_Object)), type$.$env_1_1_String._bind$1($V)._eval$1("LimitedMapView0<1,2>"));
  	      else if (blocklist != null && blocklist._base.get$isNotEmpty(0))
  	        map = A.LimitedMapView$blocklist0(map, blocklist, type$.String, $V);
  	      return map;
  	    },
  	    ForwardedModuleView0: function ForwardedModuleView0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._forwarded_view0$_inner = t0;
  	      _._forwarded_view0$_rule = t1;
  	      _.variables = t2;
  	      _.variableNodes = t3;
  	      _.functions = t4;
  	      _.mixins = t5;
  	      _.$ti = t6;
  	    },
  	    FunctionExpression0: function FunctionExpression0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.originalName = t2;
  	      _.$arguments = t3;
  	      _.span = t4;
  	    },
  	    JSFunction0: function JSFunction0() {
  	    },
  	    SupportsFunction0: function SupportsFunction0(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    functionClass_closure: function functionClass_closure() {
  	    },
  	    functionClass__closure: function functionClass__closure() {
  	    },
  	    functionClass__closure0: function functionClass__closure0() {
  	    },
  	    SassFunction0: function SassFunction0(t0, t1) {
  	      this.callable = t0;
  	      this._function0$_compileContext = t1;
  	    },
  	    FunctionRule$0($name, parameters, children, span, comment) {
  	      var t1 = A.stringReplaceAllUnchecked($name, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure0());
  	      return new A.FunctionRule0(t1, $name, parameters, span, t2, t3);
  	    },
  	    FunctionRule0: function FunctionRule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    unifyComplex0(complexes, span) {
  	      var t2, trailingCombinator, leadingCombinator, unifiedBase, t3, t4, _0_6_isSet, _0_6, t5, newLeadingCombinator, base, _1_1, newTrailingCombinator, unifiedBase0, t6, t7, t8, _null = null,
  	        t1 = J.getInterceptor$asx(complexes);
  	      if (t1.get$length(complexes) === 1)
  	        return complexes;
  	      for (t2 = t1.get$iterator(complexes), trailingCombinator = _null, leadingCombinator = trailingCombinator, unifiedBase = leadingCombinator; t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        if (t3.accept$1(B.C__IsUselessVisitor0))
  	          return _null;
  	        t4 = t3.components;
  	        _0_6_isSet = t4.length === 1;
  	        if (_0_6_isSet) {
  	          _0_6 = t3.leadingCombinators;
  	          t5 = _0_6.length === 1;
  	        } else {
  	          _0_6 = _null;
  	          t5 = false;
  	        }
  	        if (t5) {
  	          newLeadingCombinator = (_0_6_isSet ? _0_6 : t3.leadingCombinators)[0];
  	          if (leadingCombinator == null)
  	            leadingCombinator = newLeadingCombinator;
  	          else if (!(leadingCombinator.$ti._is(newLeadingCombinator) && J.$eq$(newLeadingCombinator.value, leadingCombinator.value)))
  	            return _null;
  	        }
  	        base = B.JSArray_methods.get$last(t4);
  	        _1_1 = base.combinators;
  	        if (_1_1.length === 1) {
  	          newTrailingCombinator = _1_1[0];
  	          if (trailingCombinator != null)
  	            t3 = !(trailingCombinator.$ti._is(newTrailingCombinator) && J.$eq$(newTrailingCombinator.value, trailingCombinator.value));
  	          else
  	            t3 = false;
  	          if (t3)
  	            return _null;
  	          trailingCombinator = newTrailingCombinator;
  	        }
  	        unifiedBase0 = base.selector;
  	        if (unifiedBase == null)
  	          unifiedBase = unifiedBase0;
  	        else {
  	          unifiedBase = A.unifyCompound0(unifiedBase, unifiedBase0);
  	          if (unifiedBase == null)
  	            return _null;
  	        }
  	      }
  	      t2 = type$.JSArray_ComplexSelector_2;
  	      t3 = A._setArrayType([], t2);
  	      for (t4 = t1.get$iterator(complexes); t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t6 = t5.components;
  	        t7 = t6.length;
  	        if (t7 > 1) {
  	          t8 = t5.leadingCombinators;
  	          t3.push(A.ComplexSelector$0(t8, B.JSArray_methods.take$1(t6, t7 - 1), t5.span, t5.lineBreak));
  	        }
  	      }
  	      t4 = leadingCombinator == null ? B.List_empty17 : A._setArrayType([leadingCombinator], type$.JSArray_CssValue_Combinator_2);
  	      unifiedBase.toString;
  	      t5 = trailingCombinator == null ? B.List_empty17 : A._setArrayType([trailingCombinator], type$.JSArray_CssValue_Combinator_2);
  	      base = A.ComplexSelector$0(t4, A._setArrayType([new A.ComplexSelectorComponent0(unifiedBase, A.List_List$unmodifiable(t5, type$.CssValue_Combinator_2), span)], type$.JSArray_ComplexSelectorComponent_2), span, t1.any$1(complexes, new A.unifyComplex_closure0()));
  	      if (t3.length === 0)
  	        t1 = A._setArrayType([base], t2);
  	      else {
  	        t1 = A.List_List$_of(A.IterableExtension_get_exceptLast0(t3), type$.ComplexSelector_2);
  	        t1.push(B.JSArray_methods.get$last(t3).concatenate$2(base, span));
  	      }
  	      return A.weave0(t1, span, false);
  	    },
  	    unifyCompound0(compound1, compound2) {
  	      var t1, t2, pseudoElementFound, _i, simple, unified,
  	        result = compound1.components,
  	        pseudoResult = A._setArrayType([], type$.JSArray_SimpleSelector_2);
  	      for (t1 = compound2.components, t2 = t1.length, pseudoElementFound = false, _i = 0; _i < t2; ++_i) {
  	        simple = t1[_i];
  	        if (pseudoElementFound && simple instanceof A.PseudoSelector0) {
  	          unified = simple.unify$1(pseudoResult);
  	          if (unified == null)
  	            return null;
  	          pseudoResult = unified;
  	        } else {
  	          pseudoElementFound = B.JSBool_methods.$or(pseudoElementFound, simple instanceof A.PseudoSelector0 && !simple.isClass);
  	          unified = simple.unify$1(result);
  	          if (unified == null)
  	            return null;
  	          result = unified;
  	        }
  	      }
  	      t1 = A.List_List$_of(result, type$.SimpleSelector_2);
  	      B.JSArray_methods.addAll$1(t1, pseudoResult);
  	      return A.CompoundSelector$0(t1, compound1.span);
  	    },
  	    unifyUniversalAndElement0(selector1, selector2) {
  	      var namespace, $name, t1,
  	        _0_0 = A._namespaceAndName0(selector1, "selector1"),
  	        namespace1 = _0_0._0,
  	        name1 = _0_0._1,
  	        _1_0 = A._namespaceAndName0(selector2, "selector2"),
  	        namespace2 = _1_0._0,
  	        name2 = _1_0._1;
  	      if (namespace1 == namespace2 || namespace2 === "*")
  	        namespace = namespace1;
  	      else {
  	        if (namespace1 !== "*")
  	          return null;
  	        namespace = namespace2;
  	      }
  	      if (name1 == name2 || name2 == null)
  	        $name = name1;
  	      else {
  	        if (!(name1 == null || name1 === "*"))
  	          return null;
  	        $name = name2;
  	      }
  	      t1 = selector1.span;
  	      return $name == null ? new A.UniversalSelector0(namespace, t1) : new A.TypeSelector0(new A.QualifiedName0($name, namespace), t1);
  	    },
  	    _namespaceAndName0(selector, $name) {
  	      var t1, _0_4;
  	      $label0$0: {
  	        if (selector instanceof A.UniversalSelector0) {
  	          t1 = new A._Record_2(selector.namespace, null);
  	          break $label0$0;
  	        }
  	        if (selector instanceof A.TypeSelector0) {
  	          _0_4 = selector.name;
  	          t1 = new A._Record_2(_0_4.namespace, _0_4.name);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$value(selector, $name, string$.must_b));
  	      }
  	      return t1;
  	    },
  	    weave0(complexes, span, forceLineBreak) {
  	      var complex, t2, prefixes, t3, t4, t5, t6, i, t7, t8, _i, t9, t10, _i0, parentPrefix, t11, t12,
  	        t1 = J.getInterceptor$asx(complexes);
  	      if (t1.get$length(complexes) === 1) {
  	        complex = t1.$index(complexes, 0);
  	        if (!forceLineBreak || complex.lineBreak)
  	          return complexes;
  	        return A._setArrayType([A.ComplexSelector$0(complex.leadingCombinators, complex.components, complex.span, true)], type$.JSArray_ComplexSelector_2);
  	      }
  	      t2 = type$.JSArray_ComplexSelector_2;
  	      prefixes = A._setArrayType([t1.get$first(complexes)], t2);
  	      for (t1 = t1.skip$1(complexes, 1), t3 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t3._eval$1("ListIterator<ListIterable.E>")), t4 = type$.ComplexSelectorComponent_2, t3 = t3._eval$1("ListIterable.E"); t1.moveNext$0();) {
  	        t5 = t1.__internal$_current;
  	        if (t5 == null)
  	          t5 = t3._as(t5);
  	        t6 = t5.components;
  	        if (t6.length === 1) {
  	          for (i = 0; i < prefixes.length; ++i)
  	            prefixes[i] = prefixes[i].concatenate$3$forceLineBreak(t5, span, forceLineBreak);
  	          continue;
  	        }
  	        t7 = A._setArrayType([], t2);
  	        for (t8 = prefixes.length, _i = 0; _i < prefixes.length; prefixes.length === t8 || (0, A.throwConcurrentModificationError)(prefixes), ++_i) {
  	          t9 = A._weaveParents0(prefixes[_i], t5, span);
  	          if (t9 == null)
  	            t9 = B.List_empty18;
  	          t10 = t9.length;
  	          _i0 = 0;
  	          for (; _i0 < t9.length; t9.length === t10 || (0, A.throwConcurrentModificationError)(t9), ++_i0) {
  	            parentPrefix = t9[_i0];
  	            t11 = B.JSArray_methods.get$last(t6);
  	            t12 = A.List_List$_of(parentPrefix.components, t4);
  	            t12.push(t11);
  	            t11 = parentPrefix.lineBreak || forceLineBreak;
  	            t7.push(A.ComplexSelector$0(parentPrefix.leadingCombinators, t12, span, t11));
  	          }
  	        }
  	        prefixes = t7;
  	      }
  	      return prefixes;
  	    },
  	    _weaveParents0(prefix, base, span) {
  	      var t1, queue1, queue2, trailingCombinators, _0_1, _0_3, _0_3_isSet, rootish2, t2, rootish1, _0_30, rootish, t3, t0, rootish_case_1, groups1, groups2, lcs, choices, t4, _i, group, t5, t6, t7, _i0, chunk, t8, t9, _null = null,
  	        leadingCombinators = A._mergeLeadingCombinators0(prefix.leadingCombinators, base.leadingCombinators);
  	      if (leadingCombinators == null)
  	        return _null;
  	      t1 = type$.ComplexSelectorComponent_2;
  	      queue1 = A.QueueList_QueueList$from(prefix.components, t1);
  	      queue2 = A.QueueList_QueueList$from(A.IterableExtension_get_exceptLast0(base.components), t1);
  	      trailingCombinators = A._mergeTrailingCombinators0(queue1, queue2, span, _null);
  	      if (trailingCombinators == null)
  	        return _null;
  	      $label0$0: {
  	        _0_1 = A._firstIfRootish0(queue1);
  	        _0_3 = A._firstIfRootish0(queue2);
  	        _0_3_isSet = _0_1 != null;
  	        rootish2 = _null;
  	        t2 = false;
  	        if (_0_3_isSet) {
  	          t2 = _0_3 != null;
  	          if (t2)
  	            rootish2 = _0_3;
  	          rootish1 = _0_1;
  	          _0_30 = _0_3;
  	        } else {
  	          rootish1 = _null;
  	          _0_30 = rootish1;
  	        }
  	        if (t2) {
  	          rootish = A.unifyCompound0(rootish1.selector, rootish2.selector);
  	          if (rootish == null)
  	            return _null;
  	          t1 = rootish1.combinators;
  	          t2 = rootish1.span;
  	          t3 = type$.CssValue_Combinator_2;
  	          queue1.addFirst$1(new A.ComplexSelectorComponent0(rootish, A.List_List$unmodifiable(t1, t3), t2));
  	          queue2.addFirst$1(new A.ComplexSelectorComponent0(rootish, A.List_List$unmodifiable(rootish2.combinators, t3), t2));
  	          break $label0$0;
  	        }
  	        t2 = _null;
  	        t3 = false;
  	        if (_0_1 != null) {
  	          if (_0_3_isSet)
  	            t2 = _0_30;
  	          else {
  	            t2 = _0_3;
  	            _0_30 = t2;
  	            _0_3_isSet = true;
  	          }
  	          t2 = t2 == null;
  	          t3 = t2 ? _0_1 : _null;
  	          t0 = t3;
  	          t3 = t2;
  	          t2 = t0;
  	        }
  	        if (!t3)
  	          if (_0_1 == null) {
  	            if (_0_3_isSet)
  	              t3 = _0_30;
  	            else {
  	              t3 = _0_3;
  	              _0_30 = t3;
  	              _0_3_isSet = true;
  	            }
  	            t3 = t3 != null;
  	            if (t3) {
  	              rootish_case_1 = _0_3_isSet ? _0_30 : _0_3;
  	              if (rootish_case_1 == null)
  	                rootish_case_1 = t1._as(rootish_case_1);
  	              t1 = rootish_case_1;
  	            } else
  	              t1 = t2;
  	            t2 = t3;
  	          } else {
  	            t1 = t2;
  	            t2 = false;
  	          }
  	        else {
  	          t1 = t2;
  	          t2 = true;
  	        }
  	        if (t2) {
  	          queue1.addFirst$1(t1);
  	          queue2.addFirst$1(t1);
  	        }
  	      }
  	      groups1 = A._groupSelectors0(queue1);
  	      groups2 = A._groupSelectors0(queue2);
  	      t1 = type$.List_ComplexSelectorComponent_2;
  	      lcs = A.longestCommonSubsequence0(groups2, groups1, new A._weaveParents_closure3(span), t1);
  	      choices = A._setArrayType([], type$.JSArray_List_Iterable_ComplexSelectorComponent_2);
  	      for (t2 = lcs.length, t3 = type$.JSArray_Iterable_ComplexSelectorComponent_2, t4 = type$.JSArray_ComplexSelectorComponent_2, _i = 0; _i < lcs.length; lcs.length === t2 || (0, A.throwConcurrentModificationError)(lcs), ++_i) {
  	        group = lcs[_i];
  	        t5 = A._setArrayType([], t3);
  	        for (t6 = A._chunks0(groups1, groups2, new A._weaveParents_closure4(group), t1), t7 = t6.length, _i0 = 0; _i0 < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i0) {
  	          chunk = t6[_i0];
  	          t8 = A._setArrayType([], t4);
  	          for (t9 = B.JSArray_methods.get$iterator(chunk); t9.moveNext$0();)
  	            B.JSArray_methods.addAll$1(t8, t9.get$current(0));
  	          t5.push(t8);
  	        }
  	        choices.push(t5);
  	        choices.push(A._setArrayType([group], t3));
  	        groups1.removeFirst$0();
  	        groups2.removeFirst$0();
  	      }
  	      t2 = A._setArrayType([], t3);
  	      for (t1 = A._chunks0(groups1, groups2, new A._weaveParents_closure5(), t1), t3 = t1.length, _i = 0; _i < t1.length; t1.length === t3 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        chunk = t1[_i];
  	        t5 = A._setArrayType([], t4);
  	        for (t6 = B.JSArray_methods.get$iterator(chunk); t6.moveNext$0();)
  	          B.JSArray_methods.addAll$1(t5, t6.get$current(0));
  	        t2.push(t5);
  	      }
  	      choices.push(t2);
  	      B.JSArray_methods.addAll$1(choices, trailingCombinators);
  	      t1 = A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	      for (t2 = J.get$iterator$ax(A.paths0(new A.WhereIterable(choices, new A._weaveParents_closure6(), type$.WhereIterable_List_Iterable_ComplexSelectorComponent_2), type$.Iterable_ComplexSelectorComponent_2)), t3 = !prefix.lineBreak, t5 = base.lineBreak; t2.moveNext$0();) {
  	        t6 = t2.get$current(t2);
  	        t7 = A._setArrayType([], t4);
  	        for (t6 = J.get$iterator$ax(t6); t6.moveNext$0();)
  	          B.JSArray_methods.addAll$1(t7, t6.get$current(t6));
  	        t1.push(A.ComplexSelector$0(leadingCombinators, t7, span, !t3 || t5));
  	      }
  	      return t1;
  	    },
  	    _firstIfRootish0(queue) {
  	      var first, t1, t2, _i, simple, t3;
  	      if (queue.get$length(0) >= 1) {
  	        first = queue.$index(0, 0);
  	        for (t1 = first.selector.components, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	          simple = t1[_i];
  	          t3 = false;
  	          if (simple instanceof A.PseudoSelector0)
  	            if (simple.isClass)
  	              t3 = $._rootishPseudoClasses0.contains$1(0, simple.normalizedName);
  	          if (t3) {
  	            queue.removeFirst$0();
  	            return first;
  	          }
  	        }
  	      }
  	      return null;
  	    },
  	    _mergeLeadingCombinators0(combinators1, combinators2) {
  	      var t1, _0_7, t2, _0_11_isSet, _0_11, combinators, _null = null;
  	      $label0$0: {
  	        t1 = _null;
  	        _0_7 = _null;
  	        _0_7 = combinators1.length;
  	        t2 = _0_7;
  	        t2 = t2 > 1;
  	        _0_11_isSet = !t2;
  	        _0_11 = _null;
  	        if (_0_11_isSet) {
  	          _0_11 = combinators2.length;
  	          t2 = _0_11;
  	          t2 = t2 > 1;
  	        } else
  	          t2 = true;
  	        if (t2)
  	          break $label0$0;
  	        t2 = _0_7 <= 0;
  	        if (t2)
  	          combinators = combinators2;
  	        else
  	          combinators = t1;
  	        t1 = t2;
  	        if (!t1) {
  	          t1 = false;
  	          if (_0_11_isSet)
  	            t1 = _0_11;
  	          else {
  	            _0_11 = combinators2.length;
  	            t1 = _0_11;
  	          }
  	          t1 = t1 <= 0;
  	          combinators = combinators1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = combinators;
  	          break $label0$0;
  	        }
  	        t1 = B.C_ListEquality.equals$2(0, combinators1, combinators2) ? combinators1 : _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _mergeTrailingCombinators0(components1, components2, span, result) {
  	      var _0_1, t1, _1_1, t2, t3, _4_1, _4_3, _4_5, _4_4, _4_5_isSet, _4_4_isSet, component1, component2, t4, t5, choices, _2_0, _4_9, _4_6, _4_6_isSet, _4_7, _4_7_isSet, followingComponents, nextComponents, _4_9_isSet, _4_10_isSet, _4_10, next, following, _3_0, _4_4_isSet0, siblingComponents_case_0, siblingComponents_case_1, t6, combinator2, unified, t7, combinatorComponents_case_0, descendantComponents_case_0, t0, combinator_case_1, descendantComponents_case_1, combinatorComponents_case_1, _null = null;
  	      if (result == null)
  	        result = A.QueueList$(_null, type$.List_List_ComplexSelectorComponent_2);
  	      $label0$0: {
  	        _0_1 = components1.get$length(0);
  	        if (_0_1 >= 1) {
  	          t1 = components1.$index(0, _0_1 - 1).combinators;
  	          break $label0$0;
  	        }
  	        t1 = B.List_empty17;
  	        break $label0$0;
  	      }
  	      $label1$1: {
  	        _1_1 = components2.get$length(0);
  	        if (_1_1 >= 1) {
  	          t2 = components2.$index(0, _1_1 - 1).combinators;
  	          break $label1$1;
  	        }
  	        t2 = B.List_empty17;
  	        break $label1$1;
  	      }
  	      t3 = t1.length;
  	      if (t3 === 0 && t2.length === 0)
  	        return result;
  	      if (t3 > 1 || t2.length > 1)
  	        return _null;
  	      $label2$2: {
  	        t3 = A.IterableExtension_get_firstOrNull(t1);
  	        t3 = t3 == null ? _null : t3.value;
  	        t2 = A.IterableExtension_get_firstOrNull(t2);
  	        t2 = [t3, t2 == null ? _null : t2.value, components1, components2];
  	        _4_1 = t2[0];
  	        _4_3 = B.Combinator_98W0 === _4_1;
  	        t3 = _4_3;
  	        _4_5 = _null;
  	        _4_4 = _null;
  	        if (t3) {
  	          _4_4 = t2[1];
  	          _4_5 = B.Combinator_98W0 === _4_4;
  	          t3 = _4_5;
  	          _4_5_isSet = true;
  	          _4_4_isSet = true;
  	        } else {
  	          _4_5_isSet = false;
  	          _4_4_isSet = false;
  	          t3 = false;
  	        }
  	        if (t3) {
  	          component1 = components1.removeLast$0(0);
  	          component2 = components2.removeLast$0(0);
  	          t2 = component1.selector;
  	          t3 = component2.selector;
  	          if (A.compoundIsSuperselector0(t2, t3, _null))
  	            result.addFirst$1(A._setArrayType([A._setArrayType([component2], type$.JSArray_ComplexSelectorComponent_2)], type$.JSArray_List_ComplexSelectorComponent_2));
  	          else {
  	            t4 = type$.JSArray_ComplexSelectorComponent_2;
  	            t5 = type$.JSArray_List_ComplexSelectorComponent_2;
  	            if (A.compoundIsSuperselector0(t3, t2, _null))
  	              result.addFirst$1(A._setArrayType([A._setArrayType([component1], t4)], t5));
  	            else {
  	              choices = A._setArrayType([A._setArrayType([component1, component2], t4), A._setArrayType([component2, component1], t4)], t5);
  	              _2_0 = A.unifyCompound0(t2, t3);
  	              if (_2_0 != null)
  	                choices.push(A._setArrayType([new A.ComplexSelectorComponent0(_2_0, A.List_List$unmodifiable(A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_CssValue_Combinator_2), type$.CssValue_Combinator_2), span)], t4));
  	              result.addFirst$1(choices);
  	            }
  	          }
  	          break $label2$2;
  	        }
  	        _4_9 = _null;
  	        _4_6 = _null;
  	        _4_6_isSet = false;
  	        _4_7 = _null;
  	        _4_7_isSet = false;
  	        followingComponents = _null;
  	        nextComponents = _null;
  	        t3 = false;
  	        if (_4_3) {
  	          if (_4_4_isSet)
  	            t4 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t4 = _4_4;
  	            _4_4_isSet = true;
  	          }
  	          _4_9 = B.Combinator_sHB0 === t4;
  	          t4 = _4_9;
  	          if (t4) {
  	            _4_6 = t2[2];
  	            _4_7 = t2[3];
  	            nextComponents = _4_7;
  	            followingComponents = _4_6;
  	            _4_6_isSet = true;
  	            _4_7_isSet = true;
  	            t3 = true;
  	          }
  	          _4_9_isSet = true;
  	        } else
  	          _4_9_isSet = false;
  	        _4_10_isSet = !t3;
  	        _4_10 = _null;
  	        t3 = true;
  	        if (_4_10_isSet) {
  	          _4_10 = B.Combinator_sHB0 === _4_1;
  	          t4 = _4_10;
  	          if (t4) {
  	            if (_4_5_isSet)
  	              t4 = _4_5;
  	            else {
  	              if (_4_4_isSet)
  	                t4 = _4_4;
  	              else {
  	                _4_4 = t2[1];
  	                t4 = _4_4;
  	                _4_4_isSet = true;
  	              }
  	              _4_5 = B.Combinator_98W0 === t4;
  	              t4 = _4_5;
  	              _4_5_isSet = true;
  	            }
  	            if (t4) {
  	              if (_4_6_isSet)
  	                nextComponents = _4_6;
  	              else {
  	                _4_6 = t2[2];
  	                nextComponents = _4_6;
  	                _4_6_isSet = true;
  	              }
  	              if (_4_7_isSet)
  	                followingComponents = _4_7;
  	              else {
  	                _4_7 = t2[3];
  	                followingComponents = _4_7;
  	                _4_7_isSet = true;
  	              }
  	            } else
  	              t3 = false;
  	          } else
  	            t3 = false;
  	        }
  	        if (t3) {
  	          next = nextComponents.removeLast$0(0);
  	          following = followingComponents.removeLast$0(0);
  	          t1 = following.selector;
  	          t2 = next.selector;
  	          t3 = type$.JSArray_ComplexSelectorComponent_2;
  	          t4 = type$.JSArray_List_ComplexSelectorComponent_2;
  	          if (A.compoundIsSuperselector0(t1, t2, _null))
  	            result.addFirst$1(A._setArrayType([A._setArrayType([next], t3)], t4));
  	          else {
  	            t4 = A._setArrayType([A._setArrayType([following, next], t3)], t4);
  	            _3_0 = A.unifyCompound0(t1, t2);
  	            if (_3_0 != null)
  	              t4.push(A._setArrayType([new A.ComplexSelectorComponent0(_3_0, A.List_List$unmodifiable(next.combinators, type$.CssValue_Combinator_2), span)], t3));
  	            result.addFirst$1(t4);
  	          }
  	          break $label2$2;
  	        }
  	        t3 = _null;
  	        t4 = false;
  	        if (B.Combinator_iUF0 === _4_1) {
  	          _4_4_isSet0 = true;
  	          if (_4_9_isSet)
  	            t5 = _4_9;
  	          else {
  	            if (_4_4_isSet)
  	              t5 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t5 = _4_4;
  	              _4_4_isSet = _4_4_isSet0;
  	            }
  	            _4_9 = B.Combinator_sHB0 === t5;
  	            t5 = _4_9;
  	          }
  	          if (!t5)
  	            if (_4_5_isSet)
  	              t5 = _4_5;
  	            else {
  	              if (_4_4_isSet)
  	                t5 = _4_4;
  	              else {
  	                _4_4 = t2[1];
  	                t5 = _4_4;
  	                _4_4_isSet = _4_4_isSet0;
  	              }
  	              _4_5 = B.Combinator_98W0 === t5;
  	              t5 = _4_5;
  	            }
  	          else
  	            t5 = true;
  	          if (t5) {
  	            if (_4_7_isSet)
  	              siblingComponents_case_0 = _4_7;
  	            else {
  	              _4_7 = t2[3];
  	              siblingComponents_case_0 = _4_7;
  	              _4_7_isSet = true;
  	            }
  	            t3 = siblingComponents_case_0;
  	            t4 = true;
  	          }
  	        }
  	        if (!t4) {
  	          if (_4_10_isSet)
  	            t4 = _4_10;
  	          else {
  	            _4_10 = B.Combinator_sHB0 === _4_1;
  	            t4 = _4_10;
  	          }
  	          if (!t4)
  	            t4 = _4_3;
  	          else
  	            t4 = true;
  	          if (t4) {
  	            if (_4_4_isSet)
  	              t4 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t4 = _4_4;
  	              _4_4_isSet = true;
  	            }
  	            t4 = B.Combinator_iUF0 === t4;
  	            if (t4) {
  	              if (_4_6_isSet)
  	                siblingComponents_case_1 = _4_6;
  	              else {
  	                _4_6 = t2[2];
  	                siblingComponents_case_1 = _4_6;
  	                _4_6_isSet = true;
  	              }
  	              t3 = siblingComponents_case_1;
  	            }
  	          } else
  	            t4 = false;
  	        } else
  	          t4 = true;
  	        if (t4) {
  	          result.addFirst$1(A._setArrayType([A._setArrayType([t3.removeLast$0(0)], type$.JSArray_ComplexSelectorComponent_2)], type$.JSArray_List_ComplexSelectorComponent_2));
  	          break $label2$2;
  	        }
  	        t3 = _4_1 == null;
  	        t4 = !t3;
  	        t5 = false;
  	        if (t4) {
  	          _4_4_isSet0 = true;
  	          if (_4_4_isSet)
  	            t6 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t6 = _4_4;
  	            _4_4_isSet = _4_4_isSet0;
  	          }
  	          if (t6 != null) {
  	            if (_4_4_isSet)
  	              combinator2 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              combinator2 = _4_4;
  	              _4_4_isSet = _4_4_isSet0;
  	            }
  	            t5 = _4_1 === (combinator2 == null ? type$.Combinator_2._as(combinator2) : combinator2);
  	          }
  	        }
  	        if (t5) {
  	          unified = A.unifyCompound0(components1.removeLast$0(0).selector, components2.removeLast$0(0).selector);
  	          if (unified == null)
  	            return _null;
  	          result.addFirst$1(A._setArrayType([A._setArrayType([new A.ComplexSelectorComponent0(unified, A.List_List$unmodifiable(A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_CssValue_Combinator_2), type$.CssValue_Combinator_2), span)], type$.JSArray_ComplexSelectorComponent_2)], type$.JSArray_List_ComplexSelectorComponent_2));
  	          break $label2$2;
  	        }
  	        t1 = _null;
  	        t5 = _null;
  	        t6 = _null;
  	        t7 = false;
  	        if (t4) {
  	          if (_4_4_isSet)
  	            t4 = _4_4;
  	          else {
  	            _4_4 = t2[1];
  	            t4 = _4_4;
  	            _4_4_isSet = true;
  	          }
  	          t4 = t4 == null;
  	          if (t4) {
  	            if (_4_6_isSet)
  	              combinatorComponents_case_0 = _4_6;
  	            else {
  	              _4_6 = t2[2];
  	              combinatorComponents_case_0 = _4_6;
  	              _4_6_isSet = true;
  	            }
  	            if (_4_7_isSet)
  	              descendantComponents_case_0 = _4_7;
  	            else {
  	              _4_7 = t2[3];
  	              descendantComponents_case_0 = _4_7;
  	              _4_7_isSet = true;
  	            }
  	            t1 = descendantComponents_case_0;
  	            t6 = t1;
  	            t1 = _4_1;
  	            t5 = combinatorComponents_case_0;
  	          }
  	          t0 = t6;
  	          t6 = t4;
  	          t4 = t5;
  	          t5 = t0;
  	        } else {
  	          t4 = t5;
  	          t5 = t6;
  	          t6 = t7;
  	        }
  	        if (!t6)
  	          if (t3) {
  	            if (_4_4_isSet)
  	              t3 = _4_4;
  	            else {
  	              _4_4 = t2[1];
  	              t3 = _4_4;
  	              _4_4_isSet = true;
  	            }
  	            t3 = t3 != null;
  	            if (t3) {
  	              combinator_case_1 = _4_4_isSet ? _4_4 : t2[1];
  	              if (combinator_case_1 == null)
  	                combinator_case_1 = type$.Combinator_2._as(combinator_case_1);
  	              descendantComponents_case_1 = _4_6_isSet ? _4_6 : t2[2];
  	              combinatorComponents_case_1 = _4_7_isSet ? _4_7 : t2[3];
  	              t1 = combinatorComponents_case_1;
  	              t2 = descendantComponents_case_1;
  	              t4 = t2;
  	              t2 = t1;
  	              t1 = combinator_case_1;
  	            } else {
  	              t2 = t4;
  	              t4 = t5;
  	            }
  	            t0 = t4;
  	            t4 = t3;
  	            t3 = t0;
  	          } else {
  	            t3 = t5;
  	            t2 = t4;
  	            t4 = false;
  	          }
  	        else {
  	          t3 = t5;
  	          t2 = t4;
  	          t4 = true;
  	        }
  	        if (t4) {
  	          if (t1 === B.Combinator_iUF0) {
  	            t1 = A.IterableExtension_get_lastOrNull(t3);
  	            t1 = t1 == null ? _null : A.compoundIsSuperselector0(t1.selector, t2.get$last(t2).selector, _null);
  	            t1 = t1 === true;
  	          } else
  	            t1 = false;
  	          if (t1)
  	            t3.removeLast$0(0);
  	          result.addFirst$1(A._setArrayType([A._setArrayType([t2.removeLast$0(0)], type$.JSArray_ComplexSelectorComponent_2)], type$.JSArray_List_ComplexSelectorComponent_2));
  	          break $label2$2;
  	        }
  	        return _null;
  	      }
  	      return A._mergeTrailingCombinators0(components1, components2, span, result);
  	    },
  	    _mustUnify0(complex1, complex2) {
  	      var t2, t3, t4,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.SimpleSelector_2);
  	      for (t2 = J.get$iterator$ax(complex1); t2.moveNext$0();)
  	        for (t3 = B.JSArray_methods.get$iterator(t2.get$current(t2).selector.components), t4 = new A.WhereIterator(t3, A.functions0___isUnique$closure()); t4.moveNext$0();)
  	          t1.add$1(0, t3.get$current(0));
  	      if (t1._collection$_length === 0)
  	        return false;
  	      return J.any$1$ax(complex2, new A._mustUnify_closure0(t1));
  	    },
  	    _isUnique0(simple) {
  	      var t1;
  	      if (!(simple instanceof A.IDSelector0))
  	        t1 = simple instanceof A.PseudoSelector0 && !simple.isClass;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    _chunks0(queue1, queue2, done, $T) {
  	      var chunk2, _0_4, _0_7, _0_5, _0_7_isSet, _0_5_isSet, chunk, t2, _null = null,
  	        t1 = $T._eval$1("JSArray<0>"),
  	        chunk1 = A._setArrayType([], t1);
  	      while (!done.call$1(queue1))
  	        chunk1.push(queue1.removeFirst$0());
  	      chunk2 = A._setArrayType([], t1);
  	      while (!done.call$1(queue2))
  	        chunk2.push(queue2.removeFirst$0());
  	      $label0$0: {
  	        _0_4 = chunk1.length <= 0;
  	        t1 = _0_4;
  	        _0_7 = _null;
  	        if (t1) {
  	          _0_7 = chunk2.length <= 0;
  	          t1 = _0_7;
  	          _0_5 = chunk2;
  	          _0_7_isSet = true;
  	          _0_5_isSet = true;
  	        } else {
  	          _0_5 = _null;
  	          _0_7_isSet = false;
  	          _0_5_isSet = false;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A._setArrayType([], $T._eval$1("JSArray<List<0>>"));
  	          break $label0$0;
  	        }
  	        if (_0_4) {
  	          if (_0_5_isSet)
  	            chunk = _0_5;
  	          else {
  	            chunk = chunk2;
  	            _0_5 = chunk;
  	            _0_5_isSet = true;
  	          }
  	          t1 = true;
  	        } else {
  	          chunk = _null;
  	          t1 = false;
  	        }
  	        if (!t1) {
  	          if (_0_7_isSet)
  	            t1 = _0_7;
  	          else {
  	            _0_7 = (_0_5_isSet ? _0_5 : chunk2).length <= 0;
  	            t1 = _0_7;
  	          }
  	          chunk = chunk1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = A._setArrayType([chunk], $T._eval$1("JSArray<List<0>>"));
  	          break $label0$0;
  	        }
  	        t1 = A.List_List$_of(chunk1, $T);
  	        B.JSArray_methods.addAll$1(t1, chunk2);
  	        t2 = A.List_List$_of(chunk2, $T);
  	        B.JSArray_methods.addAll$1(t2, chunk1);
  	        t1 = A._setArrayType([t1, t2], $T._eval$1("JSArray<List<0>>"));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    paths0(choices, $T) {
  	      return J.fold$2$ax(choices, A._setArrayType([A._setArrayType([], $T._eval$1("JSArray<0>"))], $T._eval$1("JSArray<List<0>>")), new A.paths_closure0($T));
  	    },
  	    _groupSelectors0(complex) {
  	      var t2, t3, t4,
  	        groups = A.QueueList$(null, type$.List_ComplexSelectorComponent_2),
  	        t1 = type$.JSArray_ComplexSelectorComponent_2,
  	        group = A._setArrayType([], t1);
  	      for (t2 = complex.$ti, t3 = new A.ListIterator(complex, complex.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t3.moveNext$0();) {
  	        t4 = t3.__internal$_current;
  	        if (t4 == null)
  	          t4 = t2._as(t4);
  	        group.push(t4);
  	        if (t4.combinators.length === 0) {
  	          groups._queue_list$_add$1(group);
  	          group = A._setArrayType([], t1);
  	        }
  	      }
  	      if (group.length !== 0)
  	        groups._queue_list$_add$1(group);
  	      return groups;
  	    },
  	    listIsSuperselector0(list1, list2) {
  	      return B.JSArray_methods.every$1(list2, new A.listIsSuperselector_closure0(list1));
  	    },
  	    _complexIsParentSuperselector0(complex1, complex2) {
  	      var t1, base, t2;
  	      if (J.get$length$asx(complex1) > J.get$length$asx(complex2))
  	        return false;
  	      t1 = $.$get$bogusSpan0();
  	      base = new A.ComplexSelectorComponent0(A.CompoundSelector$0(A._setArrayType([new A.PlaceholderSelector0("<temp>", t1)], type$.JSArray_SimpleSelector_2), t1), A.List_List$unmodifiable(B.List_empty17, type$.CssValue_Combinator_2), t1);
  	      t1 = type$.ComplexSelectorComponent_2;
  	      t2 = A.List_List$_of(complex1, t1);
  	      t2.push(base);
  	      t1 = A.List_List$_of(complex2, t1);
  	      t1.push(base);
  	      return A.complexIsSuperselector0(t2, t1);
  	    },
  	    complexIsSuperselector0(complex1, complex2) {
  	      var t1, t2, previousCombinator, i1, i2, remaining1, remaining2, component1, t3, t4, endOfSubselector, component2, t5, combinator1, _null = null;
  	      if (B.JSArray_methods.get$last(complex1).combinators.length !== 0)
  	        return false;
  	      if (B.JSArray_methods.get$last(complex2).combinators.length !== 0)
  	        return false;
  	      for (t1 = A._arrayInstanceType(complex2), t2 = t1._precomputed1, t1 = t1._eval$1("SubListIterable<1>"), previousCombinator = _null, i1 = 0, i2 = 0;; previousCombinator = combinator1) {
  	        remaining1 = complex1.length - i1;
  	        remaining2 = complex2.length - i2;
  	        if (remaining1 === 0 || remaining2 === 0)
  	          return false;
  	        if (remaining1 > remaining2)
  	          return false;
  	        component1 = complex1[i1];
  	        t3 = component1.combinators;
  	        if (t3.length > 1)
  	          return false;
  	        if (remaining1 === 1)
  	          if (B.JSArray_methods.any$1(complex2, new A.complexIsSuperselector_closure1()))
  	            return false;
  	          else {
  	            t1 = component1.selector;
  	            t2 = B.JSArray_methods.get$last(complex2);
  	            t3 = t1.get$hasComplicatedSuperselectorSemantics() ? B.JSArray_methods.sublist$2(complex2, i2, complex2.length - 1) : _null;
  	            return A.compoundIsSuperselector0(t1, t2.selector, t3);
  	          }
  	        for (t4 = component1.selector, endOfSubselector = i2;;) {
  	          component2 = complex2[endOfSubselector];
  	          if (component2.combinators.length > 1)
  	            return false;
  	          t5 = t4.get$hasComplicatedSuperselectorSemantics() ? B.JSArray_methods.sublist$2(complex2, i2, endOfSubselector) : _null;
  	          if (A.compoundIsSuperselector0(t4, component2.selector, t5))
  	            break;
  	          ++endOfSubselector;
  	          if (endOfSubselector === complex2.length - 1)
  	            return false;
  	        }
  	        t4 = new A.SubListIterable(complex2, 0, endOfSubselector, t1);
  	        t4.SubListIterable$3(complex2, 0, endOfSubselector, t2);
  	        if (!A._compatibleWithPreviousCombinator0(previousCombinator, t4.skip$1(0, i2)))
  	          return false;
  	        component2 = complex2[endOfSubselector];
  	        combinator1 = A.IterableExtension_get_firstOrNull(t3);
  	        if (!A._isSupercombinator0(combinator1, A.IterableExtension_get_firstOrNull(component2.combinators)))
  	          return false;
  	        ++i1;
  	        i2 = endOfSubselector + 1;
  	        if (complex1.length - i1 === 1) {
  	          t3 = combinator1 == null;
  	          if ((t3 ? _null : combinator1.value) === B.Combinator_98W0) {
  	            t3 = complex2.length - 1;
  	            t4 = new A.SubListIterable(complex2, 0, t3, t1);
  	            t4.SubListIterable$3(complex2, 0, t3, t2);
  	            if (!t4.skip$1(0, i2).every$1(0, new A.complexIsSuperselector_closure2(combinator1)))
  	              return false;
  	          } else if (!t3)
  	            if (complex2.length - i2 > 1)
  	              return false;
  	        }
  	      }
  	    },
  	    _compatibleWithPreviousCombinator0(previous, parents) {
  	      if (parents.get$isEmpty(parents))
  	        return true;
  	      if (previous == null)
  	        return true;
  	      if (previous.value !== B.Combinator_98W0)
  	        return false;
  	      return parents.every$1(0, new A._compatibleWithPreviousCombinator_closure0());
  	    },
  	    _isSupercombinator0(combinator1, combinator2) {
  	      var t2, t3,
  	        t1 = true;
  	      if (!J.$eq$(combinator1, combinator2)) {
  	        t2 = combinator1 == null;
  	        if (t2)
  	          t3 = (combinator2 == null ? null : combinator2.value) === B.Combinator_iUF0;
  	        else
  	          t3 = false;
  	        if (!t3)
  	          if ((t2 ? null : combinator1.value) === B.Combinator_98W0)
  	            t1 = (combinator2 == null ? null : combinator2.value) === B.Combinator_sHB0;
  	          else
  	            t1 = false;
  	      }
  	      return t1;
  	    },
  	    compoundIsSuperselector0(compound1, compound2, parents) {
  	      var t1, _0_1, _0_5, _0_5_isSet, _0_50, index1, pseudo2, index2, t2, pseudo1, t3, t4, t5, _i, simple1, _null = null;
  	      if (!compound1.get$hasComplicatedSuperselectorSemantics() && !compound2.get$hasComplicatedSuperselectorSemantics()) {
  	        t1 = compound1.components;
  	        if (t1.length > compound2.components.length)
  	          return false;
  	        return B.JSArray_methods.every$1(t1, new A.compoundIsSuperselector_closure0(compound2));
  	      }
  	      _0_1 = A._findPseudoElementIndexed0(compound1);
  	      _0_5 = A._findPseudoElementIndexed0(compound2);
  	      t1 = type$.Record_2_nullable_Object_and_nullable_Object;
  	      _0_5_isSet = t1._is(_0_1);
  	      _0_50 = _null;
  	      index1 = _null;
  	      pseudo2 = _null;
  	      index2 = _null;
  	      t2 = false;
  	      if (_0_5_isSet) {
  	        pseudo1 = _0_1._0;
  	        index1 = _0_1._1;
  	        t1 = t1._is(_0_5);
  	        if (t1) {
  	          pseudo2 = _0_5._0;
  	          index2 = _0_5._1;
  	        }
  	        _0_50 = _0_5;
  	      } else {
  	        t1 = t2;
  	        pseudo1 = _null;
  	      }
  	      if (t1) {
  	        if (pseudo1.isSuperselector$1(pseudo2)) {
  	          t1 = compound1.components;
  	          t2 = type$.int;
  	          t3 = A._arrayInstanceType(t1)._precomputed1;
  	          t4 = compound2.components;
  	          t5 = A._arrayInstanceType(t4)._precomputed1;
  	          t1 = A._compoundComponentsIsSuperselector0(A.SubListIterable$(t1, 0, A.checkNotNullable(index1, "count", t2), t3), A.SubListIterable$(t4, 0, A.checkNotNullable(index2, "count", t2), t5), parents) && A._compoundComponentsIsSuperselector0(A.SubListIterable$(t1, index1 + 1, _null, t3), A.SubListIterable$(t4, index2 + 1, _null, t5), parents);
  	        } else
  	          t1 = false;
  	        return t1;
  	      }
  	      if (_0_1 == null)
  	        t1 = (_0_5_isSet ? _0_50 : _0_5) != null;
  	      else
  	        t1 = true;
  	      if (t1)
  	        return false;
  	      for (t1 = compound1.components, t2 = t1.length, t3 = compound2.components, _i = 0; _i < t2; ++_i) {
  	        simple1 = t1[_i];
  	        if (simple1 instanceof A.PseudoSelector0)
  	          t4 = simple1.selector != null;
  	        else
  	          t4 = false;
  	        if (t4) {
  	          if (!A._selectorPseudoIsSuperselector0(simple1, compound2, parents))
  	            return false;
  	        } else if (!B.JSArray_methods.any$1(t3, simple1.get$isSuperselector()))
  	          return false;
  	      }
  	      return true;
  	    },
  	    _findPseudoElementIndexed0(compound) {
  	      var t1, t2, i, simple;
  	      for (t1 = compound.components, t2 = t1.length, i = 0; i < t2; ++i) {
  	        simple = t1[i];
  	        if (simple instanceof A.PseudoSelector0 && !simple.isClass)
  	          return new A._Record_2(simple, i);
  	      }
  	      return null;
  	    },
  	    _compoundComponentsIsSuperselector0(compound1, compound2, parents) {
  	      var t1;
  	      if (compound1.get$length(0) === 0)
  	        return true;
  	      if (compound2.get$length(0) === 0)
  	        compound2 = A._setArrayType([new A.UniversalSelector0("*", $.$get$bogusSpan0())], type$.JSArray_SimpleSelector_2);
  	      t1 = $.$get$bogusSpan0();
  	      return A.compoundIsSuperselector0(A.CompoundSelector$0(compound1, t1), A.CompoundSelector$0(compound2, t1), parents);
  	    },
  	    _selectorPseudoIsSuperselector0(pseudo1, compound2, parents) {
  	      var selector1 = pseudo1.selector;
  	      if (selector1 == null)
  	        throw A.wrapException(A.ArgumentError$("Selector " + pseudo1.toString$0(0) + " must have a selector argument.", null));
  	      switch (pseudo1.normalizedName) {
  	        case "is":
  	        case "matches":
  	        case "any":
  	        case "where":
  	          return A._selectorPseudoArgs0(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure6(selector1)) || B.JSArray_methods.any$1(selector1.components, new A._selectorPseudoIsSuperselector_closure7(parents, compound2));
  	        case "has":
  	        case "host":
  	        case "host-context":
  	          return A._selectorPseudoArgs0(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure8(selector1));
  	        case "slotted":
  	          return A._selectorPseudoArgs0(compound2, pseudo1.name, false).any$1(0, new A._selectorPseudoIsSuperselector_closure9(selector1));
  	        case "not":
  	          return B.JSArray_methods.every$1(selector1.components, new A._selectorPseudoIsSuperselector_closure10(compound2, pseudo1));
  	        case "current":
  	          return A._selectorPseudoArgs0(compound2, pseudo1.name, true).any$1(0, new A._selectorPseudoIsSuperselector_closure11(selector1));
  	        case "nth-child":
  	        case "nth-last-child":
  	          return B.JSArray_methods.any$1(compound2.components, new A._selectorPseudoIsSuperselector_closure12(pseudo1, selector1));
  	        default:
  	          throw A.wrapException("unreachable");
  	      }
  	    },
  	    _selectorPseudoArgs0(compound, $name, isClass) {
  	      var t1 = type$.WhereTypeIterable_PseudoSelector_2;
  	      return new A.NonNullsIterable(new A.MappedIterable(new A.WhereIterable(new A.WhereTypeIterable(compound.components, t1), new A._selectorPseudoArgs_closure1(isClass, $name), t1._eval$1("WhereIterable<Iterable.E>")), new A._selectorPseudoArgs_closure2(), t1._eval$1("MappedIterable<Iterable.E,SelectorList0?>")), type$.NonNullsIterable_SelectorList_2);
  	    },
  	    unifyComplex_closure0: function unifyComplex_closure0() {
  	    },
  	    _weaveParents_closure3: function _weaveParents_closure3(t0) {
  	      this.span = t0;
  	    },
  	    _weaveParents_closure4: function _weaveParents_closure4(t0) {
  	      this.group = t0;
  	    },
  	    _weaveParents_closure5: function _weaveParents_closure5() {
  	    },
  	    _weaveParents_closure6: function _weaveParents_closure6() {
  	    },
  	    _mustUnify_closure0: function _mustUnify_closure0(t0) {
  	      this.uniqueSelectors = t0;
  	    },
  	    _mustUnify__closure0: function _mustUnify__closure0(t0) {
  	      this.uniqueSelectors = t0;
  	    },
  	    paths_closure0: function paths_closure0(t0) {
  	      this.T = t0;
  	    },
  	    paths__closure0: function paths__closure0(t0, t1) {
  	      this.paths = t0;
  	      this.T = t1;
  	    },
  	    paths___closure0: function paths___closure0(t0, t1) {
  	      this.option = t0;
  	      this.T = t1;
  	    },
  	    listIsSuperselector_closure0: function listIsSuperselector_closure0(t0) {
  	      this.list1 = t0;
  	    },
  	    listIsSuperselector__closure0: function listIsSuperselector__closure0(t0) {
  	      this.complex1 = t0;
  	    },
  	    complexIsSuperselector_closure1: function complexIsSuperselector_closure1() {
  	    },
  	    complexIsSuperselector_closure2: function complexIsSuperselector_closure2(t0) {
  	      this.combinator1 = t0;
  	    },
  	    _compatibleWithPreviousCombinator_closure0: function _compatibleWithPreviousCombinator_closure0() {
  	    },
  	    compoundIsSuperselector_closure0: function compoundIsSuperselector_closure0(t0) {
  	      this.compound2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure6: function _selectorPseudoIsSuperselector_closure6(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure7: function _selectorPseudoIsSuperselector_closure7(t0, t1) {
  	      this.parents = t0;
  	      this.compound2 = t1;
  	    },
  	    _selectorPseudoIsSuperselector_closure8: function _selectorPseudoIsSuperselector_closure8(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure9: function _selectorPseudoIsSuperselector_closure9(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure10: function _selectorPseudoIsSuperselector_closure10(t0, t1) {
  	      this.compound2 = t0;
  	      this.pseudo1 = t1;
  	    },
  	    _selectorPseudoIsSuperselector__closure0: function _selectorPseudoIsSuperselector__closure0(t0, t1) {
  	      this.complex = t0;
  	      this.pseudo1 = t1;
  	    },
  	    _selectorPseudoIsSuperselector___closure1: function _selectorPseudoIsSuperselector___closure1(t0) {
  	      this.simple2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector___closure2: function _selectorPseudoIsSuperselector___closure2(t0) {
  	      this.simple2 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure11: function _selectorPseudoIsSuperselector_closure11(t0) {
  	      this.selector1 = t0;
  	    },
  	    _selectorPseudoIsSuperselector_closure12: function _selectorPseudoIsSuperselector_closure12(t0, t1) {
  	      this.pseudo1 = t0;
  	      this.selector1 = t1;
  	    },
  	    _selectorPseudoArgs_closure1: function _selectorPseudoArgs_closure1(t0, t1) {
  	      this.isClass = t0;
  	      this.name = t1;
  	    },
  	    _selectorPseudoArgs_closure2: function _selectorPseudoArgs_closure2() {
  	    },
  	    globalFunctions_closure0: function globalFunctions_closure0() {
  	    },
  	    GamutMapMethod_GamutMapMethod$fromName0($name) {
  	      var t1;
  	      $label0$0: {
  	        if ("clip" === $name) {
  	          t1 = B.ClipGamutMap_clip0;
  	          break $label0$0;
  	        }
  	        if ("local-minde" === $name) {
  	          t1 = B.LocalMindeGamutMap_A2x0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$0('Unknown gamut map method "' + $name + '".', null));
  	      }
  	      return t1;
  	    },
  	    GamutMapMethod0: function GamutMapMethod0() {
  	    },
  	    HslColorSpace0: function HslColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    HwbColorSpace0: function HwbColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    HwbColorSpace_convert_toRgb0: function HwbColorSpace_convert_toRgb0(t0, t1) {
  	      this._box_0 = t0;
  	      this.factor = t1;
  	    },
  	    InterpolatedIDSelector: function InterpolatedIDSelector(t0) {
  	      this.name = t0;
  	    },
  	    IDSelector0: function IDSelector0(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    IDSelector_unify_closure0: function IDSelector_unify_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IfConditionOperation$0(expressions, op) {
  	      var t1 = A.List_List$unmodifiable(expressions, type$.IfConditionExpression_2);
  	      if (t1.length < 2)
  	        A.throwExpression(A.ArgumentError$value(t1, "expressions", "must have length >= 2"));
  	      return new A.IfConditionOperation0(t1, op);
  	    },
  	    IfExpression0: function IfExpression0(t0, t1) {
  	      this.branches = t0;
  	      this.span = t1;
  	    },
  	    IfConditionExpression0: function IfConditionExpression0() {
  	    },
  	    IfConditionParenthesized0: function IfConditionParenthesized0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionNegation0: function IfConditionNegation0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionOperation0: function IfConditionOperation0(t0, t1) {
  	      this.expressions = t0;
  	      this.op = t1;
  	    },
  	    IfConditionOperation_toInterpolation_closure0: function IfConditionOperation_toInterpolation_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IfConditionFunction0: function IfConditionFunction0(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    IfConditionSass0: function IfConditionSass0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    IfConditionRaw0: function IfConditionRaw0(t0) {
  	      this.text = t0;
  	    },
  	    JSIfConditionExpressionVisitor: function JSIfConditionExpressionVisitor(t0) {
  	      this._if_condition_expression$_inner = t0;
  	    },
  	    JSIfConditionExpressionVisitorObject: function JSIfConditionExpressionVisitorObject() {
  	    },
  	    IfClause$0(expression, children) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2);
  	      return new A.IfClause0(expression, t1, B.JSArray_methods.any$1(t1, new A.IfRuleClause$__closure0()));
  	    },
  	    ElseClause$0(children) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2);
  	      return new A.ElseClause0(t1, B.JSArray_methods.any$1(t1, new A.IfRuleClause$__closure0()));
  	    },
  	    IfRule0: function IfRule0(t0, t1, t2) {
  	      this.clauses = t0;
  	      this.lastClause = t1;
  	      this.span = t2;
  	    },
  	    IfRule_toString_closure0: function IfRule_toString_closure0() {
  	    },
  	    IfRuleClause0: function IfRuleClause0() {
  	    },
  	    IfRuleClause$__closure0: function IfRuleClause$__closure0() {
  	    },
  	    IfRuleClause$___closure0: function IfRuleClause$___closure0() {
  	    },
  	    IfClause0: function IfClause0(t0, t1, t2) {
  	      this.expression = t0;
  	      this.children = t1;
  	      this.hasDeclarations = t2;
  	    },
  	    ElseClause0: function ElseClause0(t0, t1) {
  	      this.children = t0;
  	      this.hasDeclarations = t1;
  	    },
  	    jsToDartList(list) {
  	      return self.immutable.isOrderedMap(list) ? J.toArray$0$x(type$.ImmutableList._as(list)) : type$.List_dynamic._as(list);
  	    },
  	    dartMapToImmutableMap(dartMap) {
  	      var t1, t2,
  	        immutableMap = J.asMutable$0$x(new self.immutable.OrderedMap());
  	      for (t1 = A.MapExtensions_get_pairs0(dartMap, type$.Object, type$.nullable_Object), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        immutableMap = J.$set$2$x(immutableMap, t2._0, t2._1);
  	      }
  	      return J.asImmutable$0$x(immutableMap);
  	    },
  	    immutableMapToDartMap(immutableMap) {
  	      var dartMap = A.LinkedHashMap_LinkedHashMap$_empty(type$.Object, type$.nullable_Object);
  	      J.forEach$1$ax(immutableMap, A.allowInterop(new A.immutableMapToDartMap_closure(dartMap)));
  	      return dartMap;
  	    },
  	    ImmutableList0: function ImmutableList0() {
  	    },
  	    ImmutableMap0: function ImmutableMap0() {
  	    },
  	    immutableMapToDartMap_closure: function immutableMapToDartMap_closure(t0) {
  	      this.dartMap = t0;
  	    },
  	    NodeImporter__addSassPath(includePaths) {
  	      return new A._SyncStarIterable(A.NodeImporter__addSassPath$body(includePaths), type$._SyncStarIterable_String);
  	    },
  	    NodeImporter__addSassPath$body($async$includePaths) {
  	      return function() {
  	        var includePaths = $async$includePaths;
  	        var $async$goto = 0, $async$handler = 2, $async$errorStack = [], sassPath, t1;
  	        return function $async$NodeImporter__addSassPath($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                $async$goto = 3;
  	                return $async$iterator._yieldStar$1(includePaths);
  	              case 3:
  	                // after yield
  	                sassPath = A.getEnvironmentVariable0("SASS_PATH");
  	                if (sassPath == null) {
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	                t1 = A.isNodeJs() ? self.process : null;
  	                $async$goto = 4;
  	                return $async$iterator._yieldStar$1(A._setArrayType(sassPath.split(J.$eq$(t1 == null ? null : J.get$platform$x(t1), "win32") ? ";" : ":"), type$.JSArray_String));
  	              case 4:
  	                // after yield
  	              case 1:
  	                // return
  	                return 0;
  	              case 2:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    NodeImporter: function NodeImporter(t0, t1, t2) {
  	      this._implementation$_options = t0;
  	      this._includePaths = t1;
  	      this._implementation$_importers = t2;
  	    },
  	    NodeImporter_load_closure: function NodeImporter_load_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.forImport = t2;
  	      _.url = t3;
  	      _.previousString = t4;
  	    },
  	    NodeImporter__tryPath_closure: function NodeImporter__tryPath_closure(t0) {
  	      this.path = t0;
  	    },
  	    NodeImporter__tryPath_closure0: function NodeImporter__tryPath_closure0() {
  	    },
  	    NodeImporter__callImporterAsync_closure: function NodeImporter__callImporterAsync_closure(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.forImport = t2;
  	      _.url = t3;
  	      _.previousString = t4;
  	      _.completer = t5;
  	    },
  	    ModifiableCssImport0: function ModifiableCssImport0(t0, t1, t2) {
  	      var _ = this;
  	      _.url = t0;
  	      _.modifiers = t1;
  	      _.span = t2;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    ImportCache$0(importers, loadPaths, packageConfig) {
  	      var t1 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2,
  	        t2 = type$.Record_3_Importer_and_Uri_and_bool_forImport_2,
  	        t3 = type$.Uri;
  	      return new A.ImportCache0(A.ImportCache__toImporters0(importers, loadPaths, packageConfig), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.DateTime));
  	    },
  	    ImportCache$none() {
  	      var t1 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2,
  	        t2 = type$.Record_3_Importer_and_Uri_and_bool_forImport_2,
  	        t3 = type$.Uri;
  	      return new A.ImportCache0(B.List_empty28, A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t1), A.LinkedHashMap_LinkedHashMap$_empty(t2, t3), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.DateTime));
  	    },
  	    ImportCache__toImporters0(importers, loadPaths, packageConfig) {
  	      var t1, t2, t3, t4, _i, path, _null = null,
  	        sassPath = A.getEnvironmentVariable0("SASS_PATH");
  	      if (A.isBrowser()) {
  	        t1 = A._setArrayType([], type$.JSArray_Importer_2);
  	        if (importers != null)
  	          B.JSArray_methods.addAll$1(t1, importers);
  	        return t1;
  	      }
  	      t1 = A._setArrayType([], type$.JSArray_Importer_2);
  	      if (importers != null)
  	        B.JSArray_methods.addAll$1(t1, importers);
  	      if (loadPaths != null)
  	        for (t2 = J.get$iterator$ax(loadPaths); t2.moveNext$0();) {
  	          t3 = t2.get$current(t2);
  	          t1.push(new A.FilesystemImporter0($.$get$context().absolute$15(t3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      if (sassPath != null) {
  	        t2 = A.isNodeJs() ? self.process : _null;
  	        t3 = sassPath.split(J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "win32") ? ";" : ":");
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t4; ++_i) {
  	          path = t3[_i];
  	          t1.push(new A.FilesystemImporter0($.$get$context().absolute$15(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), false));
  	        }
  	      }
  	      return t1;
  	    },
  	    ImportCache0: function ImportCache0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._import_cache$_importers = t0;
  	      _._import_cache$_canonicalizeCache = t1;
  	      _._import_cache$_perImporterCanonicalizeCache = t2;
  	      _._import_cache$_nonCanonicalRelativeUrls = t3;
  	      _._import_cache$_importCache = t4;
  	      _._import_cache$_resultsCache = t5;
  	      _._import_cache$_loadTimes = t6;
  	    },
  	    ImportCache_canonicalize_closure0: function ImportCache_canonicalize_closure0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.baseImporter = t1;
  	      _.resolvedUrl = t2;
  	      _.baseUrl = t3;
  	      _.forImport = t4;
  	      _.key = t5;
  	      _.url = t6;
  	    },
  	    ImportCache__canonicalize_closure0: function ImportCache__canonicalize_closure0(t0, t1) {
  	      this.importer = t0;
  	      this.url = t1;
  	    },
  	    ImportCache_importCanonical_closure0: function ImportCache_importCanonical_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.importer = t1;
  	      _.canonicalUrl = t2;
  	      _.originalUrl = t3;
  	    },
  	    ImportCache_humanize_closure3: function ImportCache_humanize_closure3(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    ImportCache_humanize_closure4: function ImportCache_humanize_closure4() {
  	    },
  	    ImportCache_humanize_closure5: function ImportCache_humanize_closure5() {
  	    },
  	    ImportCache_humanize_closure6: function ImportCache_humanize_closure6(t0) {
  	      this.canonicalUrl = t0;
  	    },
  	    ImportRule0: function ImportRule0(t0, t1) {
  	      this.imports = t0;
  	      this.span = t1;
  	    },
  	    JSImporter: function JSImporter() {
  	    },
  	    JSImporterResult: function JSImporterResult() {
  	    },
  	    Importer0: function Importer0() {
  	    },
  	    NodeImporterResult0: function NodeImporterResult0() {
  	    },
  	    IncludeRule0: function IncludeRule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.originalName = t2;
  	      _.$arguments = t3;
  	      _.content = t4;
  	      _.span = t5;
  	    },
  	    InterpolatedFunctionExpression0: function InterpolatedFunctionExpression0(t0, t1, t2) {
  	      this.name = t0;
  	      this.$arguments = t1;
  	      this.span = t2;
  	    },
  	    InterpolatedSelector: function InterpolatedSelector() {
  	    },
  	    Interpolation$0(contents, spans, span) {
  	      var t1 = new A.Interpolation0(A.List_List$unmodifiable(contents, type$.Object), A.List_List$unmodifiable(spans, type$.nullable_FileSpan), span);
  	      t1.Interpolation$30(contents, spans, span);
  	      return t1;
  	    },
  	    Interpolation0: function Interpolation0(t0, t1, t2) {
  	      this.contents = t0;
  	      this.spans = t1;
  	      this.span = t2;
  	    },
  	    Interpolation_toString_closure0: function Interpolation_toString_closure0() {
  	    },
  	    SupportsInterpolation0: function SupportsInterpolation0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    InterpolationBuffer0: function InterpolationBuffer0(t0, t1, t2) {
  	      this._interpolation_buffer0$_text = t0;
  	      this._interpolation_buffer0$_contents = t1;
  	      this._interpolation_buffer0$_spans = t2;
  	    },
  	    InterpolationMap$0(_interpolation, targetOffsets) {
  	      var t1 = A.List_List$unmodifiable(targetOffsets, type$.int),
  	        t2 = _interpolation.contents.length,
  	        expectedLocations = Math.max(0, t2 - 1);
  	      if (t1.length !== expectedLocations)
  	        A.throwExpression(A.ArgumentError$("InterpolationMap must have " + A.S(expectedLocations) + " targetOffsets if the interpolation has " + t2 + " components.", null));
  	      return new A.InterpolationMap0(_interpolation, t1);
  	    },
  	    InterpolationMap0: function InterpolationMap0(t0, t1) {
  	      this._interpolation_map$_interpolation = t0;
  	      this._interpolation_map$_targetOffsets = t1;
  	    },
  	    InterpolationMap_mapException_closure0: function InterpolationMap_mapException_closure0() {
  	    },
  	    InterpolationMethod$0(space, hue) {
  	      var t1;
  	      if (space.get$isPolarInternal())
  	        t1 = hue == null ? B.HueInterpolationMethod_00 : hue;
  	      else
  	        t1 = null;
  	      if (!space.get$isPolarInternal() && hue != null)
  	        A.throwExpression(A.ArgumentError$(string$.Hue_in + space.toString$0(0) + ".", null));
  	      return new A.InterpolationMethod0(space, t1);
  	    },
  	    InterpolationMethod_InterpolationMethod$fromValue0(value, $name) {
  	      var t1, space, hueMethod,
  	        list = value.assertCommonListStyle$2$allowSlash($name, false);
  	      if (list.length === 0)
  	        throw A.wrapException(A.SassScriptException$0(string$.Expecta, $name));
  	      t1 = B.JSArray_methods.get$first(list).assertString$1($name);
  	      t1.assertUnquoted$1($name);
  	      space = A.ColorSpace_fromName0(t1._string0$_text, $name);
  	      if (list.length === 1)
  	        return A.InterpolationMethod$0(space, null);
  	      hueMethod = A.HueInterpolationMethod_HueInterpolationMethod$_fromValue0(list[1], $name);
  	      if (list.length === 2)
  	        throw A.wrapException(A.SassScriptException$0('Expected unquoted string "hue" after ' + value.toString$0(0) + ".", $name));
  	      else {
  	        t1 = list[2].assertString$1($name);
  	        t1.assertUnquoted$1($name);
  	        if (t1._string0$_text.toLowerCase() !== "hue")
  	          throw A.wrapException(A.SassScriptException$0(string$.Expectu + value.toString$0(0) + ", was " + list[2].toString$0(0) + ".", $name));
  	        else if (list.length > 3)
  	          throw A.wrapException(A.SassScriptException$0('Expected nothing after "hue" in ' + value.toString$0(0) + ".", $name));
  	        else if (!space.get$isPolarInternal())
  	          throw A.wrapException(A.SassScriptException$0('Hue interpolation method "' + hueMethod.toString$0(0) + string$.x20hue__ + space.toString$0(0) + ".", $name));
  	      }
  	      return A.InterpolationMethod$0(space, hueMethod);
  	    },
  	    HueInterpolationMethod_HueInterpolationMethod$_fromValue0(value, $name) {
  	      var _0_0,
  	        t1 = value.assertString$1($name);
  	      t1.assertUnquoted$0();
  	      _0_0 = t1._string0$_text.toLowerCase();
  	      $label0$0: {
  	        if ("shorter" === _0_0) {
  	          t1 = B.HueInterpolationMethod_00;
  	          break $label0$0;
  	        }
  	        if ("longer" === _0_0) {
  	          t1 = B.HueInterpolationMethod_10;
  	          break $label0$0;
  	        }
  	        if ("increasing" === _0_0) {
  	          t1 = B.HueInterpolationMethod_20;
  	          break $label0$0;
  	        }
  	        if ("decreasing" === _0_0) {
  	          t1 = B.HueInterpolationMethod_30;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$0("Unknown hue interpolation method " + value.toString$0(0) + ".", $name));
  	      }
  	      return t1;
  	    },
  	    InterpolationMethod0: function InterpolationMethod0(t0, t1) {
  	      this.space = t0;
  	      this.hue = t1;
  	    },
  	    HueInterpolationMethod0: function HueInterpolationMethod0(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    _realCasePath0(path) {
  	      var prefix, _null = null,
  	        t1 = A.isNodeJs() ? self.process : _null;
  	      if (!J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        t1 = A.isNodeJs() ? self.process : _null;
  	        t1 = J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "darwin");
  	      } else
  	        t1 = true;
  	      if (!t1)
  	        return path;
  	      t1 = A.isNodeJs() ? self.process : _null;
  	      if (J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        prefix = B.JSString_methods.substring$2(path, 0, $.$get$context().style.rootLength$1(path));
  	        t1 = prefix.length;
  	        if (t1 !== 0 && A.CharacterExtension_get_isAlphabetic0(prefix.charCodeAt(0)))
  	          path = prefix.toUpperCase() + B.JSString_methods.substring$1(path, t1);
  	      }
  	      return new A._realCasePath_helper0().call$1(path);
  	    },
  	    _realCasePath_helper0: function _realCasePath_helper0() {
  	    },
  	    _realCasePath_helper_closure0: function _realCasePath_helper_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.path = t0;
  	      _.realPath = t1;
  	      _.helper = t2;
  	      _.dirname = t3;
  	    },
  	    _realCasePath_helper__closure0: function _realCasePath_helper__closure0(t0) {
  	      this.basename = t0;
  	    },
  	    IsCalculationSafeVisitor0: function IsCalculationSafeVisitor0() {
  	    },
  	    IsCalculationSafeVisitor_visitListExpression_closure0: function IsCalculationSafeVisitor_visitListExpression_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor0: function IsPlainCssVisitor0(t0) {
  	      this._is_plain_css$_allowInterpolation = t0;
  	    },
  	    IsPlainCssVisitor_visitIfExpression_closure0: function IsPlainCssVisitor_visitIfExpression_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor_visitListExpression_closure0: function IsPlainCssVisitor_visitListExpression_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor_visitIfConditionOperation_closure0: function IsPlainCssVisitor_visitIfConditionOperation_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    IsPlainCssVisitor__visitArgumentList_closure0: function IsPlainCssVisitor__visitArgumentList_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    printError0(message) {
  	      var t2,
  	        t1 = A.isNodeJs() ? self.process : null;
  	      if (t1 != null) {
  	        t1 = J.get$stderr$x(t1);
  	        J.write$1$x(t1, A.S(message) + "\n");
  	      } else {
  	        t1 = self.console;
  	        t2 = J.toString$0$(message);
  	        J.error$1$x(t1, t2);
  	      }
  	    },
  	    readFile0(path) {
  	      var contents, sourceFile, t1, i;
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("readFile() is only supported on Node.js"));
  	      contents = A._asString(A._readFile0(path, "utf8"));
  	      if (!B.JSString_methods.contains$1(contents, "\ufffd"))
  	        return contents;
  	      sourceFile = A.SourceFile$fromString(contents, $.$get$context().toUri$1(path));
  	      for (t1 = contents.length, i = 0; i < t1; ++i) {
  	        if (contents.charCodeAt(i) !== 65533)
  	          continue;
  	        throw A.wrapException(A.SassException$0("Invalid UTF-8.", A.FileLocation$_(sourceFile, i).pointSpan$0(), null));
  	      }
  	      return contents;
  	    },
  	    _readFile0(path, encoding) {
  	      return A._systemErrorToFileSystemException0(new A._readFile_closure0(path, encoding));
  	    },
  	    fileExists0(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$(string$.fileEx));
  	      return A._systemErrorToFileSystemException0(new A.fileExists_closure0(path));
  	    },
  	    dirExists0(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("dirExists() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException0(new A.dirExists_closure0(path));
  	    },
  	    linkExists0(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$(string$.linkEx));
  	      return A._systemErrorToFileSystemException0(new A.linkExists_closure0(path));
  	    },
  	    listDir0(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("listDir() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException0(new A.listDir_closure0(false, path));
  	    },
  	    realpath0(path) {
  	      if (!A.isNodeJs())
  	        throw A.wrapException(A.UnsupportedError$("listDir() is only supported on Node.js"));
  	      return A._systemErrorToFileSystemException0(new A.realpath_closure0(path));
  	    },
  	    getEnvironmentVariable0($name) {
  	      var t1 = A.isNodeJs() ? self.process : null,
  	        env = t1 == null ? null : J.get$env$x(t1);
  	      if (env == null)
  	        t1 = null;
  	      else
  	        t1 = A._asStringQ(env[$name]);
  	      return t1;
  	    },
  	    _systemErrorToFileSystemException0(callback) {
  	      var error, t1, t2;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        if (!type$.JsSystemError._is(error))
  	          throw exception;
  	        t1 = error;
  	        t2 = J.getInterceptor$x(t1);
  	        throw A.wrapException(new A.FileSystemException0(J.substring$2$s(t2.get$message(t1), (A.S(t2.get$code(t1)) + ": ").length, J.get$length$asx(t2.get$message(t1)) - (", " + A.S(t2.get$syscall(t1)) + " '" + A.S(t2.get$path(t1)) + "'").length), J.get$path$x(error)));
  	      }
  	    },
  	    hasTerminal0() {
  	      var t1 = A.isNodeJs() ? self.process : null;
  	      return J.$eq$(t1 == null ? null : J.get$isTTY$x(J.get$stdout$x(t1)), true);
  	    },
  	    FileSystemException0: function FileSystemException0(t0, t1) {
  	      this.message = t0;
  	      this.path = t1;
  	    },
  	    _readFile_closure0: function _readFile_closure0(t0, t1) {
  	      this.path = t0;
  	      this.encoding = t1;
  	    },
  	    fileExists_closure0: function fileExists_closure0(t0) {
  	      this.path = t0;
  	    },
  	    dirExists_closure0: function dirExists_closure0(t0) {
  	      this.path = t0;
  	    },
  	    linkExists_closure0: function linkExists_closure0(t0) {
  	      this.path = t0;
  	    },
  	    listDir_closure0: function listDir_closure0(t0, t1) {
  	      this.recursive = t0;
  	      this.path = t1;
  	    },
  	    listDir__closure1: function listDir__closure1(t0) {
  	      this.path = t0;
  	    },
  	    listDir__closure2: function listDir__closure2() {
  	    },
  	    listDir_closure_list0: function listDir_closure_list0() {
  	    },
  	    listDir__list_closure0: function listDir__list_closure0(t0, t1) {
  	      this.parent = t0;
  	      this.list = t1;
  	    },
  	    realpath_closure0: function realpath_closure0(t0) {
  	      this.path = t0;
  	    },
  	    main() {
  	      J.set$compile$x(self.exports, A.allowInteropNamed("sass.compile", A.compile__compile$closure()));
  	      J.set$compileString$x(self.exports, A.allowInteropNamed("sass.compileString", A.compile__compileString$closure()));
  	      J.set$compileAsync$x(self.exports, A.allowInteropNamed("sass.compileAsync", A.compile__compileAsync$closure()));
  	      J.set$compileStringAsync$x(self.exports, A.allowInteropNamed("sass.compileStringAsync", A.compile__compileStringAsync$closure()));
  	      J.set$initCompiler$x(self.exports, A.allowInteropNamed("sass.initCompiler", A.compiler__initCompiler$closure()));
  	      J.set$initAsyncCompiler$x(self.exports, A.allowInteropNamed("sass.initAsyncCompiler", A.compiler__initAsyncCompiler$closure()));
  	      J.set$Compiler$x(self.exports, $.$get$compilerClass());
  	      J.set$AsyncCompiler$x(self.exports, $.$get$asyncCompilerClass());
  	      J.set$Value$x(self.exports, $.$get$valueClass());
  	      J.set$SassBoolean$x(self.exports, $.$get$booleanClass());
  	      J.set$SassArgumentList$x(self.exports, $.$get$argumentListClass());
  	      J.set$SassCalculation$x(self.exports, $.$get$calculationClass());
  	      J.set$CalculationOperation$x(self.exports, $.$get$calculationOperationClass());
  	      J.set$CalculationInterpolation$x(self.exports, $.$get$calculationInterpolationClass());
  	      J.set$SassColor$x(self.exports, $.$get$colorClass());
  	      J.set$SassFunction$x(self.exports, $.$get$functionClass());
  	      J.set$SassMixin$x(self.exports, $.$get$mixinClass());
  	      J.set$SassList$x(self.exports, $.$get$listClass());
  	      J.set$SassMap$x(self.exports, $.$get$mapClass());
  	      J.set$SassNumber$x(self.exports, $.$get$numberClass());
  	      J.set$SassString$x(self.exports, $.$get$stringClass());
  	      J.set$sassNull$x(self.exports, B.C__SassNull0);
  	      J.set$sassTrue$x(self.exports, B.SassBoolean_true0);
  	      J.set$sassFalse$x(self.exports, B.SassBoolean_false0);
  	      J.set$Exception$x(self.exports, $.$get$exceptionClass());
  	      J.set$Logger$x(self.exports, {silent: {warn: A.allowInteropNamed("sass.Logger.silent.warn", new A.main_closure()), debug: A.allowInteropNamed("sass.Logger.silent.debug", new A.main_closure0())}});
  	      J.set$NodePackageImporter$x(self.exports, $.$get$nodePackageImporterClass());
  	      J.set$deprecations$x(self.exports, A.jsify($.$get$deprecations()));
  	      J.set$Version$x(self.exports, $.$get$versionClass());
  	      J.set$loadParserExports_$x(self.exports, A.allowInterop(A.parser0__loadParserExports$closure()));
  	      J.set$info$x(self.exports, "dart-sass\t1.99.0\t(Sass Compiler)\t[Dart]\ndart2js\t3.11.4\t(Dart Compiler)\t[Dart]");
  	      A.updateCanonicalizeContextPrototype();
  	      A.updateSourceSpanPrototype();
  	      J.set$render$x(self.exports, A.allowInteropNamed("sass.render", A.legacy__render$closure()));
  	      J.set$renderSync$x(self.exports, A.allowInteropNamed("sass.renderSync", A.legacy__renderSync$closure()));
  	      J.set$types$x(self.exports, {Boolean: $.$get$legacyBooleanClass(), Color: $.$get$legacyColorClass(), List: $.$get$legacyListClass(), Map: $.$get$legacyMapClass(), Null: $.$get$legacyNullClass(), Number: $.$get$legacyNumberClass(), String: $.$get$legacyStringClass(), Error: self.Error});
  	      J.set$NULL$x(self.exports, B.C__SassNull0);
  	      J.set$TRUE$x(self.exports, B.SassBoolean_true0);
  	      J.set$FALSE$x(self.exports, B.SassBoolean_false0);
  	    },
  	    main_closure: function main_closure() {
  	    },
  	    main_closure0: function main_closure0() {
  	    },
  	    JSToDartLogger: function JSToDartLogger(t0, t1, t2) {
  	      this._node = t0;
  	      this._fallback = t1;
  	      this._ascii = t2;
  	    },
  	    JSToDartLogger_internalWarn_closure: function JSToDartLogger_internalWarn_closure(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.message = t1;
  	      _.span = t2;
  	      _.trace = t3;
  	      _.deprecation = t4;
  	    },
  	    JSToDartLogger_debug_closure: function JSToDartLogger_debug_closure(t0, t1, t2) {
  	      this.$this = t0;
  	      this.message = t1;
  	      this.span = t2;
  	    },
  	    ModifiableCssKeyframeBlock$0(selector, span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      return new A.ModifiableCssKeyframeBlock0(selector, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode_2), t1);
  	    },
  	    ModifiableCssKeyframeBlock0: function ModifiableCssKeyframeBlock0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.selector = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._node$_children = t3;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    KeyframeSelectorParser0: function KeyframeSelectorParser0(t0, t1) {
  	      this.scanner = t0;
  	      this._parser1$_interpolationMap = t1;
  	    },
  	    KeyframeSelectorParser_parse_closure0: function KeyframeSelectorParser_parse_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    LabColorSpace0: function LabColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    LazyFileSpan0: function LazyFileSpan0(t0) {
  	      this._lazy_file_span0$_builder = t0;
  	      this._lazy_file_span0$_span = null;
  	    },
  	    LchColorSpace0: function LchColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    render(options, callback) {
  	      var _0_0;
  	      if (!A.isNodeJs())
  	        A.jsThrow(new self.Error("The render() method is only available in Node.js."));
  	      _0_0 = J.get$fiber$x(options);
  	      if (_0_0 != null)
  	        J.run$0$x(_0_0.call$1(A.allowInterop(new A.render_closure(callback, options))));
  	      else
  	        A._renderAsync(options).then$1$2$onError(0, new A.render_closure0(callback), new A.render_closure1(callback), type$.Null);
  	    },
  	    _renderAsync(options) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.RenderResult),
  	        $async$returnValue, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, result, start, t1, file, t2, t3, logger, _0_0;
  	      var $async$_renderAsync = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              start = new A.DateTime(Date.now(), 0, false);
  	              t1 = J.getInterceptor$x(options);
  	              file = A.NullableExtension_andThen0(t1.get$file(options), A.path__absolute$closure());
  	              t2 = t1.get$logger(options);
  	              t3 = $._glyphs;
  	              logger = new A.JSToDartLogger(t2, B.C_DefaultLogger0, t3 === B.C_AsciiGlyphSet);
  	              _0_0 = t1.get$data(options);
  	              $async$goto = _0_0 != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              t2 = A._parseImporter(options, start);
  	              t3 = A._parsePackageImportersAsync(options, start);
  	              t4 = A._parseFunctions(options, start, true);
  	              t5 = t1.get$indentedSyntax(options);
  	              t5 = !J.$eq$(t5, false) && t5 != null ? B.Syntax_Sass_1_sass0 : null;
  	              t6 = A._parseOutputStyle(t1.get$outputStyle(options));
  	              t7 = J.$eq$(t1.get$indentType(options), "tab");
  	              t8 = A._parseIndentWidth(t1.get$indentWidth(options));
  	              t9 = A._parseLineFeed(t1.get$linefeed(options));
  	              t10 = file == null ? "stdin" : $.$get$context().toUri$1(file).toString$0(0);
  	              t11 = t1.get$quietDeps(options);
  	              if (t11 == null)
  	                t11 = false;
  	              t12 = A.parseDeprecations(logger, t1.get$fatalDeprecations(options), true);
  	              t13 = A.parseDeprecations(logger, t1.get$futureDeprecations(options), false);
  	              t14 = A.parseDeprecations(logger, t1.get$silenceDeprecations(options), false);
  	              t15 = t1.get$verbose(options);
  	              if (t15 == null)
  	                t15 = false;
  	              t1 = t1.get$charset(options);
  	              if (t1 == null)
  	                t1 = true;
  	              $async$goto = 6;
  	              return A._asyncAwait(A.compileStringAsync0(_0_0, t1, t12, t4, t13, t3, null, t8, t9, logger, t2, t11, t14, A._enableSourceMaps(options), t6, t5, t10, !t7, t15), $async$_renderAsync);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              $async$goto = file != null ? 7 : 9;
  	              break;
  	            case 7:
  	              // then
  	              t2 = A._parseImporter(options, start);
  	              t3 = A._parsePackageImportersAsync(options, start);
  	              t4 = A._parseFunctions(options, start, true);
  	              t5 = t1.get$indentedSyntax(options);
  	              t5 = !J.$eq$(t5, false) && t5 != null ? B.Syntax_Sass_1_sass0 : null;
  	              t6 = A._parseOutputStyle(t1.get$outputStyle(options));
  	              t7 = J.$eq$(t1.get$indentType(options), "tab");
  	              t8 = A._parseIndentWidth(t1.get$indentWidth(options));
  	              t9 = A._parseLineFeed(t1.get$linefeed(options));
  	              t10 = t1.get$quietDeps(options);
  	              if (t10 == null)
  	                t10 = false;
  	              t11 = A.parseDeprecations(logger, t1.get$fatalDeprecations(options), true);
  	              t12 = A.parseDeprecations(logger, t1.get$futureDeprecations(options), false);
  	              t13 = A.parseDeprecations(logger, t1.get$silenceDeprecations(options), false);
  	              t14 = t1.get$verbose(options);
  	              if (t14 == null)
  	                t14 = false;
  	              t1 = t1.get$charset(options);
  	              if (t1 == null)
  	                t1 = true;
  	              $async$goto = 10;
  	              return A._asyncAwait(A.compileAsync0(file, t1, t11, t4, t12, t3, t8, t9, logger, t2, t10, t13, A._enableSourceMaps(options), t6, t5, !t7, t14), $async$_renderAsync);
  	            case 10:
  	              // returning from await.
  	              result = $async$result;
  	              // goto join
  	              $async$goto = 8;
  	              break;
  	            case 9:
  	              // else
  	              throw A.wrapException(A.ArgumentError$(string$.Either, null));
  	            case 8:
  	              // join
  	            case 4:
  	              // join
  	              $async$returnValue = A._newRenderResult(options, result, start);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_renderAsync, $async$completer);
  	    },
  	    renderSync(options) {
  	      var start, result, file, logger, _0_0, data, error, stackTrace, error0, stackTrace0, t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, _null = null;
  	      if (!A.isNodeJs())
  	        A.jsThrow(new self.Error("The renderSync() method is only available in Node.js."));
  	      try {
  	        start = new A.DateTime(Date.now(), 0, false);
  	        result = null;
  	        t1 = J.getInterceptor$x(options);
  	        file = A.NullableExtension_andThen0(t1.get$file(options), A.path__absolute$closure());
  	        t2 = t1.get$logger(options);
  	        t3 = $._glyphs;
  	        logger = new A.JSToDartLogger(t2, B.C_DefaultLogger0, t3 === B.C_AsciiGlyphSet);
  	        _0_0 = t1.get$data(options);
  	        data = null;
  	        if (_0_0 != null) {
  	          data = _0_0;
  	          t2 = data;
  	          t3 = A._parseImporter(options, start);
  	          t4 = A._parsePackageImporters(options, start);
  	          t5 = A._parseFunctions(options, start, false);
  	          t6 = t1.get$indentedSyntax(options);
  	          t6 = !J.$eq$(t6, false) && t6 != null ? B.Syntax_Sass_1_sass0 : _null;
  	          t7 = A._parseOutputStyle(t1.get$outputStyle(options));
  	          t8 = J.$eq$(t1.get$indentType(options), "tab");
  	          t9 = A._parseIndentWidth(t1.get$indentWidth(options));
  	          t10 = A._parseLineFeed(t1.get$linefeed(options));
  	          t11 = file == null ? "stdin" : $.$get$context().toUri$1(file).toString$0(0);
  	          t12 = t1.get$quietDeps(options);
  	          if (t12 == null)
  	            t12 = false;
  	          t13 = A.parseDeprecations(logger, t1.get$fatalDeprecations(options), true);
  	          t14 = A.parseDeprecations(logger, t1.get$futureDeprecations(options), false);
  	          t15 = A.parseDeprecations(logger, t1.get$silenceDeprecations(options), false);
  	          t16 = t1.get$verbose(options);
  	          if (t16 == null)
  	            t16 = false;
  	          t1 = t1.get$charset(options);
  	          if (t1 == null)
  	            t1 = true;
  	          result = A.compileString(t2, t1, t13, new A.CastList(t5, A._arrayInstanceType(t5)._eval$1("CastList<1,Callable>")), t14, t4, _null, t9, t10, logger, t3, t12, t15, A._enableSourceMaps(options), t7, t6, t11, !t8, t16);
  	        } else if (file != null) {
  	          t2 = A._parseImporter(options, start);
  	          t3 = A._parsePackageImporters(options, start);
  	          t4 = A._parseFunctions(options, start, false);
  	          t5 = t1.get$indentedSyntax(options);
  	          t5 = !J.$eq$(t5, false) && t5 != null ? B.Syntax_Sass_1_sass0 : _null;
  	          t6 = A._parseOutputStyle(t1.get$outputStyle(options));
  	          t7 = J.$eq$(t1.get$indentType(options), "tab");
  	          t8 = A._parseIndentWidth(t1.get$indentWidth(options));
  	          t9 = A._parseLineFeed(t1.get$linefeed(options));
  	          t10 = t1.get$quietDeps(options);
  	          if (t10 == null)
  	            t10 = false;
  	          t11 = A.parseDeprecations(logger, t1.get$fatalDeprecations(options), true);
  	          t12 = A.parseDeprecations(logger, t1.get$futureDeprecations(options), false);
  	          t13 = A.parseDeprecations(logger, t1.get$silenceDeprecations(options), false);
  	          t14 = t1.get$verbose(options);
  	          if (t14 == null)
  	            t14 = false;
  	          t1 = t1.get$charset(options);
  	          if (t1 == null)
  	            t1 = true;
  	          result = A.compile(file, t1, t11, new A.CastList(t4, A._arrayInstanceType(t4)._eval$1("CastList<1,Callable>")), t12, t3, t8, t9, logger, t2, t10, t13, A._enableSourceMaps(options), t6, t5, !t7, t14);
  	        } else {
  	          t1 = A.ArgumentError$(string$.Either, _null);
  	          throw A.wrapException(t1);
  	        }
  	        t1 = A._newRenderResult(options, result, start);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.jsThrow(A._wrapException(error, stackTrace));
  	        } else {
  	          error0 = t1;
  	          stackTrace0 = A.getTraceFromException(exception);
  	          t1 = J.toString$0$(error0);
  	          t2 = A.getTrace0(error0);
  	          A.jsThrow(A._newRenderError(t1, t2 == null ? stackTrace0 : t2, _null, _null, _null, 3));
  	        }
  	      }
  	    },
  	    _wrapException(exception, stackTrace) {
  	      var t2, t3, t4, t5,
  	        t1 = A.SourceSpanException.prototype.get$span.call(exception, 0),
  	        _0_0 = t1.get$sourceUrl(t1);
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = "stdin";
  	          break $label0$0;
  	        }
  	        if ("file" === _0_0.get$scheme()) {
  	          t1 = $.$get$context().style.pathFromUri$1(A._parseUri(_0_0));
  	          break $label0$0;
  	        }
  	        t1 = _0_0.toString$0(0);
  	        break $label0$0;
  	      }
  	      t2 = B.JSString_methods.replaceFirst$2(exception.toString$0(0), "Error: ", "");
  	      t3 = A.getTrace0(exception);
  	      if (t3 == null)
  	        t3 = stackTrace;
  	      t4 = A.SourceSpanException.prototype.get$span.call(exception, 0);
  	      t4 = t4.get$start(t4);
  	      t4 = t4.file.getLine$1(t4.offset);
  	      t5 = A.SourceSpanException.prototype.get$span.call(exception, 0);
  	      t5 = t5.get$start(t5);
  	      return A._newRenderError(t2, t3, t5.file.getColumn$1(t5.offset) + 1, t1, t4 + 1, 1);
  	    },
  	    _parseFunctions(options, start, asynch) {
  	      var result,
  	        functions = J.get$functions$x(options);
  	      if (functions == null)
  	        return B.List_empty29;
  	      result = A._setArrayType([], type$.JSArray_AsyncCallable_2);
  	      A.jsForEach(functions, new A._parseFunctions_closure(options, start, result, asynch));
  	      return result;
  	    },
  	    _parseImporter(options, start) {
  	      var t2, t3, contextOptions, _1_0, t4, importers,
  	        t1 = J.getInterceptor$x(options),
  	        _0_0 = t1.get$importer(options);
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t2 = A._setArrayType([], type$.JSArray_JSFunction);
  	          break $label0$0;
  	        }
  	        if (type$.List_dynamic._is(_0_0)) {
  	          t2 = J.cast$1$0$ax(_0_0, type$.JSFunction);
  	          break $label0$0;
  	        }
  	        t2 = A._setArrayType([type$.JSFunction._as(_0_0)], type$.JSArray_JSFunction);
  	        break $label0$0;
  	      }
  	      t3 = J.getInterceptor$asx(t2);
  	      contextOptions = t3.get$isNotEmpty(t2) ? A._contextOptions(options, start) : new A.Object();
  	      _1_0 = t1.get$fiber(options);
  	      t4 = {};
  	      t4.fiber = null;
  	      if (_1_0 != null) {
  	        t4.fiber = _1_0;
  	        t2 = t3.map$1$1(t2, new A._parseImporter_closure(t4), type$.JSFunction);
  	        importers = A.List_List$_of(t2, t2.$ti._eval$1("ListIterable.E"));
  	      } else
  	        importers = t2;
  	      t1 = t1.get$includePaths(options);
  	      if (t1 == null)
  	        t1 = [];
  	      t2 = type$.String;
  	      return new A.NodeImporter(contextOptions, A.List_List$unmodifiable(A.NodeImporter__addSassPath(A.List_List$from(t1, true, t2)), t2), A.List_List$unmodifiable(J.cast$1$0$ax(importers, type$.dynamic), type$.JSFunction));
  	    },
  	    _parsePackageImportersAsync(options, start) {
  	      var t2, t3, t4,
  	        t1 = J.getInterceptor$x(options);
  	      if (t1.get$pkgImporter(options) instanceof A.NodePackageImporter0) {
  	        t1 = t1.get$pkgImporter(options);
  	        t1.toString;
  	        t2 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2;
  	        t3 = type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport_2;
  	        t4 = type$.Uri;
  	        return new A.AsyncImportCache0(A.List_List$unmodifiable(A._setArrayType([t1], type$.JSArray_AsyncImporter), type$.AsyncImporter), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.DateTime));
  	      }
  	      return null;
  	    },
  	    _parsePackageImporters(options, start) {
  	      var t2, t3, t4,
  	        t1 = J.getInterceptor$x(options);
  	      if (t1.get$pkgImporter(options) instanceof A.NodePackageImporter0) {
  	        t1 = t1.get$pkgImporter(options);
  	        t1.toString;
  	        t2 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2;
  	        t3 = type$.Record_3_Importer_and_Uri_and_bool_forImport_2;
  	        t4 = type$.Uri;
  	        return new A.ImportCache0(A.List_List$unmodifiable(A._setArrayType([t1], type$.JSArray_Importer_2), type$.Importer), A.LinkedHashMap_LinkedHashMap$_empty(type$.Record_2_Uri_and_bool_forImport, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t2), A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.nullable_Stylesheet_2), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.ImporterResult_2), A.LinkedHashMap_LinkedHashMap$_empty(t4, type$.DateTime));
  	      }
  	      return null;
  	    },
  	    _contextOptions(options, start) {
  	      var includePaths, t3, t4, t5, t6, t7,
  	        t1 = J.getInterceptor$x(options),
  	        t2 = t1.get$includePaths(options);
  	      if (t2 == null)
  	        t2 = [];
  	      includePaths = A.List_List$from(t2, true, type$.String);
  	      t2 = t1.get$file(options);
  	      t3 = t1.get$data(options);
  	      t4 = A._setArrayType([A.current()], type$.JSArray_String);
  	      B.JSArray_methods.addAll$1(t4, includePaths);
  	      t5 = A.isNodeJs() ? self.process : null;
  	      t4 = B.JSArray_methods.join$1(t4, J.$eq$(t5 == null ? null : J.get$platform$x(t5), "win32") ? ";" : ":");
  	      t5 = J.$eq$(t1.get$indentType(options), "tab") ? 1 : 0;
  	      t6 = A._parseIndentWidth(t1.get$indentWidth(options));
  	      if (t6 == null)
  	        t6 = 2;
  	      t7 = A._parseLineFeed(t1.get$linefeed(options));
  	      t1 = t1.get$file(options);
  	      if (t1 == null)
  	        t1 = "data";
  	      return {file: t2, data: t3, includePaths: t4, precision: 10, style: 1, indentType: t5, indentWidth: t6, linefeed: t7.text, result: {stats: {start: start._value, entry: t1}}};
  	    },
  	    _parseOutputStyle(style) {
  	      var t1;
  	      $label0$0: {
  	        if (style == null || "expanded" === style) {
  	          t1 = B.OutputStyle_00;
  	          break $label0$0;
  	        }
  	        if ("compressed" === style) {
  	          t1 = B.OutputStyle_10;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow(new self.Error('Unknown output style "' + style + '".'));
  	      }
  	      return t1;
  	    },
  	    _parseIndentWidth(width) {
  	      var t1;
  	      $label0$0: {
  	        if (width == null) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        if (A._isInt(width)) {
  	          t1 = width;
  	          break $label0$0;
  	        }
  	        t1 = A.int_parse(J.toString$0$(width), null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _parseLineFeed(str) {
  	      var t1;
  	      $label0$0: {
  	        if ("cr" === str) {
  	          t1 = B.LineFeed_3HY;
  	          break $label0$0;
  	        }
  	        if ("crlf" === str) {
  	          t1 = B.LineFeed_aqi;
  	          break $label0$0;
  	        }
  	        if ("lfcr" === str) {
  	          t1 = B.LineFeed_Kui;
  	          break $label0$0;
  	        }
  	        t1 = B.LineFeed_oJz;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _newRenderResult(options, result, start) {
  	      var t3, sourceMapOption, sourceMapPath, t4, sourceMapDir, outFile, t5, _0_0, t6, sourceMapDirUrl, i, source, t7, buffer, indices, url, t8, _null = null,
  	        t1 = Date.now(),
  	        t2 = result._compile_result$_serialize,
  	        css = t2._0,
  	        sourceMapBytes = self.undefined;
  	      if (A._enableSourceMaps(options)) {
  	        t3 = J.getInterceptor$x(options);
  	        sourceMapOption = t3.get$sourceMap(options);
  	        if (typeof sourceMapOption == "string")
  	          sourceMapPath = sourceMapOption;
  	        else {
  	          t4 = t3.get$outFile(options);
  	          t4.toString;
  	          sourceMapPath = J.$add$ansx(t4, ".map");
  	        }
  	        t4 = $.$get$context();
  	        sourceMapDir = t4.dirname$1(sourceMapPath);
  	        t2 = t2._1;
  	        t2.toString;
  	        t2.sourceRoot = t3.get$sourceMapRoot(options);
  	        outFile = t3.get$outFile(options);
  	        t5 = outFile == null;
  	        if (t5) {
  	          _0_0 = t3.get$file(options);
  	          $label0$0: {
  	            if (_0_0 != null) {
  	              t6 = t4.toUri$1(t4.withoutExtension$1(_0_0) + ".css").toString$0(0);
  	              break $label0$0;
  	            }
  	            t6 = t2.targetUrl = "stdin.css";
  	            break $label0$0;
  	          }
  	          t2.targetUrl = t6;
  	        } else
  	          t2.targetUrl = t4.toUri$1(t4.relative$2$from(outFile, sourceMapDir)).toString$0(0);
  	        sourceMapDirUrl = t4.toUri$1(sourceMapDir).toString$0(0);
  	        for (t4 = t2.urls, i = 0; i < t4.length; ++i) {
  	          source = t4[i];
  	          if (source === "stdin")
  	            continue;
  	          t6 = $.$get$url();
  	          t7 = t6.style;
  	          if (t7.rootLength$1(source) <= 0 || t7.isRootRelative$1(source))
  	            continue;
  	          t4[i] = t6.relative$2$from(source, sourceMapDirUrl);
  	        }
  	        t4 = t3.get$sourceMapContents(options);
  	        sourceMapBytes = self.Buffer.from(B.C_JsonCodec.encode$2$toEncodable(t2.toJson$1$includeSourceContents(!J.$eq$(t4, false) && t4 != null), _null), "utf8");
  	        t2 = t3.get$omitSourceMapUrl(options);
  	        if (!(!J.$eq$(t2, false) && t2 != null)) {
  	          t2 = t3.get$sourceMapEmbed(options);
  	          if (!J.$eq$(t2, false) && t2 != null) {
  	            buffer = new A.StringBuffer("");
  	            indices = A._setArrayType([-1], type$.JSArray_int);
  	            A.UriData__writeUri("application/json", _null, _null, buffer, indices);
  	            indices.push(buffer._contents.length);
  	            indices.push((buffer._contents += ";base64,").length - 1);
  	            t2 = B.C_Base64Encoder.startChunkedConversion$1(new A._StringSinkConversionSink(buffer));
  	            t3 = sourceMapBytes.length;
  	            A.RangeError_checkValidRange(0, t3, t3);
  	            t2._convert$_add$4(sourceMapBytes, 0, t3, true);
  	            t2 = buffer._contents;
  	            url = new A.UriData(t2.charCodeAt(0) == 0 ? t2 : t2, indices, _null).get$uri();
  	          } else {
  	            if (t5)
  	              t2 = sourceMapPath;
  	            else {
  	              t2 = $.$get$context();
  	              t2 = t2.relative$2$from(sourceMapPath, t2.dirname$1(outFile));
  	            }
  	            url = $.$get$context().toUri$1(t2);
  	          }
  	          t2 = url.toString$0(0);
  	          css += "\n\n/*# sourceMappingURL=" + A.stringReplaceAllUnchecked(t2, "*/", "%2A/") + " */";
  	        }
  	      }
  	      t2 = self.Buffer.from(css, "utf8");
  	      t3 = J.get$file$x(options);
  	      if (t3 == null)
  	        t3 = "data";
  	      t4 = start._value;
  	      t5 = B.JSInt_methods._tdivFast$1(A.Duration$(0 - start._microsecond, t1 - t4)._duration, 1000);
  	      t6 = A._setArrayType([], type$.JSArray_String);
  	      for (t7 = result._evaluate._0, t7 = t7.get$iterator(t7); t7.moveNext$0();) {
  	        t8 = t7.get$current(t7);
  	        t6.push(t8.get$scheme() === "file" ? $.$get$context().style.pathFromUri$1(A._parseUri(t8)) : t8.toString$0(0));
  	      }
  	      return {css: t2, map: sourceMapBytes, stats: {entry: t3, start: t4, end: t1, duration: t5, includedFiles: t6}};
  	    },
  	    _enableSourceMaps(options) {
  	      var t2,
  	        t1 = J.getInterceptor$x(options);
  	      if (typeof t1.get$sourceMap(options) != "string") {
  	        t2 = t1.get$sourceMap(options);
  	        t1 = !J.$eq$(t2, false) && t2 != null && t1.get$outFile(options) != null;
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    _newRenderError(message, stackTrace, column, file, line, $status) {
  	      var error = new self.Error(message);
  	      error.formatted = "Error: " + message;
  	      if (line != null)
  	        error.line = line;
  	      if (column != null)
  	        error.column = column;
  	      if (file != null)
  	        error.file = file;
  	      error.status = $status;
  	      A.attachJsStack(error, stackTrace);
  	      return error;
  	    },
  	    render_closure: function render_closure(t0, t1) {
  	      this.callback = t0;
  	      this.options = t1;
  	    },
  	    render_closure0: function render_closure0(t0) {
  	      this.callback = t0;
  	    },
  	    render_closure1: function render_closure1(t0) {
  	      this.callback = t0;
  	    },
  	    _parseFunctions_closure: function _parseFunctions_closure(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.options = t0;
  	      _.start = t1;
  	      _.result = t2;
  	      _.asynch = t3;
  	    },
  	    _parseFunctions__closure: function _parseFunctions__closure(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.callback = t1;
  	      this.context = t2;
  	    },
  	    _parseFunctions___closure2: function _parseFunctions___closure2(t0) {
  	      this.currentFiber = t0;
  	    },
  	    _parseFunctions____closure: function _parseFunctions____closure(t0, t1) {
  	      this.currentFiber = t0;
  	      this.result = t1;
  	    },
  	    _parseFunctions___closure3: function _parseFunctions___closure3(t0, t1, t2) {
  	      this.callback = t0;
  	      this.context = t1;
  	      this.jsArguments = t2;
  	    },
  	    _parseFunctions___closure4: function _parseFunctions___closure4(t0) {
  	      this._box_0 = t0;
  	    },
  	    _parseFunctions__closure0: function _parseFunctions__closure0(t0, t1) {
  	      this.callback = t0;
  	      this.context = t1;
  	    },
  	    _parseFunctions___closure1: function _parseFunctions___closure1(t0, t1, t2) {
  	      this.callback = t0;
  	      this.context = t1;
  	      this.$arguments = t2;
  	    },
  	    _parseFunctions__closure1: function _parseFunctions__closure1(t0, t1) {
  	      this.callback = t0;
  	      this.context = t1;
  	    },
  	    _parseFunctions___closure: function _parseFunctions___closure(t0) {
  	      this.completer = t0;
  	    },
  	    _parseFunctions___closure0: function _parseFunctions___closure0(t0, t1, t2) {
  	      this.callback = t0;
  	      this.context = t1;
  	      this.jsArguments = t2;
  	    },
  	    _parseImporter_closure: function _parseImporter_closure(t0) {
  	      this._box_0 = t0;
  	    },
  	    _parseImporter__closure: function _parseImporter__closure(t0, t1) {
  	      this._box_0 = t0;
  	      this.importer = t1;
  	    },
  	    _parseImporter___closure: function _parseImporter___closure(t0) {
  	      this.currentFiber = t0;
  	    },
  	    _parseImporter____closure: function _parseImporter____closure(t0, t1) {
  	      this.currentFiber = t0;
  	      this.result = t1;
  	    },
  	    _parseImporter___closure0: function _parseImporter___closure0(t0) {
  	      this._box_0 = t0;
  	    },
  	    LegacyIfExpression0: function LegacyIfExpression0(t0, t1) {
  	      this.$arguments = t0;
  	      this.span = t1;
  	    },
  	    LimitedMapView$blocklist0(_map, blocklist, $K, $V) {
  	      var t2, key,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty($K);
  	      for (t2 = _map.get$keys(_map), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        key = t2.get$current(t2);
  	        if (!blocklist.contains$1(0, key))
  	          t1.add$1(0, key);
  	      }
  	      return new A.LimitedMapView0(_map, t1, $K._eval$1("@<0>")._bind$1($V)._eval$1("LimitedMapView0<1,2>"));
  	    },
  	    LimitedMapView0: function LimitedMapView0(t0, t1, t2) {
  	      this._limited_map_view0$_map = t0;
  	      this._limited_map_view0$_keys = t1;
  	      this.$ti = t2;
  	    },
  	    ListExpression0: function ListExpression0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.contents = t0;
  	      _.separator = t1;
  	      _.hasBrackets = t2;
  	      _.span = t3;
  	    },
  	    ListExpression_toString_closure0: function ListExpression_toString_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _function11($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:list");
  	    },
  	    _length_closure2: function _length_closure2() {
  	    },
  	    _nth_closure0: function _nth_closure0() {
  	    },
  	    _setNth_closure0: function _setNth_closure0() {
  	    },
  	    _join_closure0: function _join_closure0() {
  	    },
  	    _append_closure2: function _append_closure2() {
  	    },
  	    _zip_closure0: function _zip_closure0() {
  	    },
  	    _zip__closure2: function _zip__closure2() {
  	    },
  	    _zip__closure3: function _zip__closure3(t0) {
  	      this._box_0 = t0;
  	    },
  	    _zip__closure4: function _zip__closure4(t0) {
  	      this._box_0 = t0;
  	    },
  	    _index_closure2: function _index_closure2() {
  	    },
  	    _separator_closure0: function _separator_closure0() {
  	    },
  	    _isBracketed_closure0: function _isBracketed_closure0() {
  	    },
  	    _slash_closure0: function _slash_closure0() {
  	    },
  	    InterpolatedSelectorList$(components) {
  	      var t1 = A.List_List$unmodifiable(components, type$.InterpolatedComplexSelector);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.InterpolatedSelectorList(t1);
  	    },
  	    InterpolatedSelectorList: function InterpolatedSelectorList(t0) {
  	      this.components = t0;
  	    },
  	    SelectorList$0(components, span) {
  	      var t1 = A.List_List$unmodifiable(components, type$.ComplexSelector_2);
  	      if (t1.length === 0)
  	        A.throwExpression(A.ArgumentError$("components may not be empty.", null));
  	      return new A.SelectorList0(t1, span);
  	    },
  	    SelectorList_SelectorList$parse0(contents, allowParent, interpolationMap, plainCss) {
  	      return new A.SelectorParser0(allowParent, plainCss, A.SpanScanner$(contents, null), interpolationMap).parse$0(0);
  	    },
  	    SelectorList0: function SelectorList0(t0, t1) {
  	      this.components = t0;
  	      this.span = t1;
  	    },
  	    SelectorList_asSassList_closure0: function SelectorList_asSassList_closure0() {
  	    },
  	    SelectorList_nestWithin_closure0: function SelectorList_nestWithin_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.preserveParentSelectors = t1;
  	      _.implicitParent = t2;
  	      _.parent = t3;
  	    },
  	    SelectorList_nestWithin__closure1: function SelectorList_nestWithin__closure1(t0) {
  	      this.complex = t0;
  	    },
  	    SelectorList_nestWithin__closure2: function SelectorList_nestWithin__closure2(t0) {
  	      this.complex = t0;
  	    },
  	    SelectorList__nestWithinCompound_closure2: function SelectorList__nestWithinCompound_closure2() {
  	    },
  	    SelectorList__nestWithinCompound_closure3: function SelectorList__nestWithinCompound_closure3(t0) {
  	      this.parent = t0;
  	    },
  	    SelectorList__nestWithinCompound_closure4: function SelectorList__nestWithinCompound_closure4(t0, t1, t2) {
  	      this.parentSelector = t0;
  	      this.resolvedSimples = t1;
  	      this.component = t2;
  	    },
  	    SelectorList_withAdditionalCombinators_closure0: function SelectorList_withAdditionalCombinators_closure0(t0) {
  	      this.combinators = t0;
  	    },
  	    _ParentSelectorVisitor0: function _ParentSelectorVisitor0() {
  	    },
  	    __ParentSelectorVisitor_Object_SelectorSearchVisitor0: function __ParentSelectorVisitor_Object_SelectorSearchVisitor0() {
  	    },
  	    listClass_closure: function listClass_closure() {
  	    },
  	    listClass__closure: function listClass__closure() {
  	    },
  	    listClass__closure0: function listClass__closure0() {
  	    },
  	    _ConstructorOptions: function _ConstructorOptions() {
  	    },
  	    _NodeSassList: function _NodeSassList() {
  	    },
  	    legacyListClass_closure: function legacyListClass_closure() {
  	    },
  	    legacyListClass__closure: function legacyListClass__closure() {
  	    },
  	    legacyListClass_closure0: function legacyListClass_closure0() {
  	    },
  	    legacyListClass_closure1: function legacyListClass_closure1() {
  	    },
  	    legacyListClass_closure2: function legacyListClass_closure2() {
  	    },
  	    legacyListClass_closure3: function legacyListClass_closure3() {
  	    },
  	    legacyListClass_closure4: function legacyListClass_closure4() {
  	    },
  	    SassList$0(contents, _separator, brackets) {
  	      var t1 = new A.SassList0(A.List_List$unmodifiable(contents, type$.Value_2), _separator, brackets);
  	      t1.SassList$3$brackets0(contents, _separator, brackets);
  	      return t1;
  	    },
  	    SassList0: function SassList0(t0, t1, t2) {
  	      this._list1$_contents = t0;
  	      this._list1$_separator = t1;
  	      this._list1$_hasBrackets = t2;
  	    },
  	    SassList_isBlank_closure0: function SassList_isBlank_closure0() {
  	    },
  	    ListSeparator0: function ListSeparator0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._list1$_name = t0;
  	      _.separator = t1;
  	      _.index = t2;
  	      _._name = t3;
  	    },
  	    LmsColorSpace0: function LmsColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    LocalMindeGamutMap0: function LocalMindeGamutMap0(t0) {
  	      this.name = t0;
  	    },
  	    JSLogger: function JSLogger() {
  	    },
  	    WarnOptions: function WarnOptions() {
  	    },
  	    DebugOptions: function DebugOptions() {
  	    },
  	    WarnForDeprecation_warnForDeprecation0(_this, deprecation, message, span, trace) {
  	      _this.internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	    },
  	    LoggerWithDeprecationType0: function LoggerWithDeprecationType0() {
  	    },
  	    LoudComment0: function LoudComment0(t0) {
  	      this.text = t0;
  	    },
  	    MapExpression0: function MapExpression0(t0, t1) {
  	      this.pairs = t0;
  	      this.span = t1;
  	    },
  	    _modify0(map, keys, modify, addNesting) {
  	      var keyIterator = J.get$iterator$ax(keys);
  	      return keyIterator.moveNext$0() ? new A._modify_modifyNestedMap0(keyIterator, modify, addNesting).call$1(map) : modify.call$1(map);
  	    },
  	    _deepMergeImpl0(map1, map2) {
  	      var t2, t3, result, t4, key, value, _1_1, _1_3, _1_3_isSet, resultMap, _1_30, valueMap, merged,
  	        t1 = map1._map0$_contents;
  	      if (t1.get$isEmpty(t1))
  	        return map2;
  	      t2 = map2._map0$_contents;
  	      if (t2.get$isEmpty(t2))
  	        return map1;
  	      t3 = type$.Value_2;
  	      result = A.LinkedHashMap_LinkedHashMap$of(t1, t3, t3);
  	      for (t1 = A.MapExtensions_get_pairs0(t2, t3, t3), t1 = t1.get$iterator(t1), t2 = type$.SassMap_2; t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        key = t4._0;
  	        value = t4._1;
  	        t4 = result.$index(0, key);
  	        _1_1 = t4 == null ? null : t4.tryMap$0();
  	        _1_3 = value.tryMap$0();
  	        _1_3_isSet = _1_1 != null;
  	        t4 = false;
  	        if (_1_3_isSet) {
  	          t4 = _1_3 != null;
  	          resultMap = _1_1;
  	          _1_30 = _1_3;
  	        } else {
  	          _1_30 = null;
  	          resultMap = null;
  	        }
  	        if (t4) {
  	          valueMap = _1_3_isSet ? _1_30 : _1_3;
  	          merged = A._deepMergeImpl0(resultMap, valueMap == null ? t2._as(valueMap) : valueMap);
  	          if (merged === resultMap)
  	            continue;
  	          result.$indexSet(0, key, merged);
  	        } else
  	          result.$indexSet(0, key, value);
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(result, t3, t3));
  	    },
  	    _function10($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:map");
  	    },
  	    _get_closure0: function _get_closure0() {
  	    },
  	    _set_closure1: function _set_closure1() {
  	    },
  	    _set__closure2: function _set__closure2(t0) {
  	      this.$arguments = t0;
  	    },
  	    _set_closure2: function _set_closure2() {
  	    },
  	    _set__closure1: function _set__closure1(t0) {
  	      this._box_0 = t0;
  	    },
  	    _merge_closure1: function _merge_closure1() {
  	    },
  	    _merge_closure2: function _merge_closure2() {
  	    },
  	    _merge__closure0: function _merge__closure0(t0) {
  	      this.map2 = t0;
  	    },
  	    _deepMerge_closure0: function _deepMerge_closure0() {
  	    },
  	    _deepRemove_closure0: function _deepRemove_closure0() {
  	    },
  	    _deepRemove__closure0: function _deepRemove__closure0(t0) {
  	      this.keys = t0;
  	    },
  	    _remove_closure1: function _remove_closure1() {
  	    },
  	    _remove_closure2: function _remove_closure2() {
  	    },
  	    _keys_closure0: function _keys_closure0() {
  	    },
  	    _values_closure0: function _values_closure0() {
  	    },
  	    _hasKey_closure0: function _hasKey_closure0() {
  	    },
  	    _modify_modifyNestedMap0: function _modify_modifyNestedMap0(t0, t1, t2) {
  	      this.keyIterator = t0;
  	      this.modify = t1;
  	      this.addNesting = t2;
  	    },
  	    MapExtensions_get_pairs0(_this, $K, $V) {
  	      var t1 = _this.get$entries(_this);
  	      return t1.map$1$1(t1, new A.MapExtensions_get_pairs_closure0($K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("+(1,2)"));
  	    },
  	    MapExtensions_get_pairs_closure0: function MapExtensions_get_pairs_closure0(t0, t1) {
  	      this.K = t0;
  	      this.V = t1;
  	    },
  	    mapClass_closure: function mapClass_closure() {
  	    },
  	    mapClass__closure: function mapClass__closure() {
  	    },
  	    mapClass__closure0: function mapClass__closure0() {
  	    },
  	    mapClass__closure1: function mapClass__closure1() {
  	    },
  	    _NodeSassMap: function _NodeSassMap() {
  	    },
  	    legacyMapClass_closure: function legacyMapClass_closure() {
  	    },
  	    legacyMapClass__closure: function legacyMapClass__closure() {
  	    },
  	    legacyMapClass__closure0: function legacyMapClass__closure0() {
  	    },
  	    legacyMapClass_closure0: function legacyMapClass_closure0() {
  	    },
  	    legacyMapClass_closure1: function legacyMapClass_closure1() {
  	    },
  	    legacyMapClass_closure2: function legacyMapClass_closure2() {
  	    },
  	    legacyMapClass_closure3: function legacyMapClass_closure3() {
  	    },
  	    legacyMapClass_closure4: function legacyMapClass_closure4() {
  	    },
  	    SassMap0: function SassMap0(t0) {
  	      this._map0$_contents = t0;
  	    },
  	    _singleArgumentMathFunc0($name, mathFunc) {
  	      return A.BuiltInCallable$function0($name, "$number", new A._singleArgumentMathFunc_closure0(mathFunc), "sass:math");
  	    },
  	    _numberFunction0($name, transform) {
  	      return A.BuiltInCallable$function0($name, "$number", new A._numberFunction_closure0(transform), "sass:math");
  	    },
  	    _function9($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:math");
  	    },
  	    global_closure43: function global_closure43() {
  	    },
  	    module_closure26: function module_closure26() {
  	    },
  	    _ceil_closure0: function _ceil_closure0() {
  	    },
  	    _clamp_closure0: function _clamp_closure0() {
  	    },
  	    _floor_closure0: function _floor_closure0() {
  	    },
  	    _max_closure0: function _max_closure0() {
  	    },
  	    _min_closure0: function _min_closure0() {
  	    },
  	    _round_closure0: function _round_closure0() {
  	    },
  	    _hypot_closure0: function _hypot_closure0() {
  	    },
  	    _hypot__closure0: function _hypot__closure0() {
  	    },
  	    _log_closure0: function _log_closure0() {
  	    },
  	    _pow_closure0: function _pow_closure0() {
  	    },
  	    _atan2_closure0: function _atan2_closure0() {
  	    },
  	    _compatible_closure0: function _compatible_closure0() {
  	    },
  	    _isUnitless_closure0: function _isUnitless_closure0() {
  	    },
  	    _unit_closure0: function _unit_closure0() {
  	    },
  	    _percentage_closure0: function _percentage_closure0() {
  	    },
  	    _randomFunction_closure0: function _randomFunction_closure0() {
  	    },
  	    _div_closure0: function _div_closure0() {
  	    },
  	    _singleArgumentMathFunc_closure0: function _singleArgumentMathFunc_closure0(t0) {
  	      this.mathFunc = t0;
  	    },
  	    _numberFunction_closure0: function _numberFunction_closure0(t0) {
  	      this.transform = t0;
  	    },
  	    CssMediaQuery$type0(type, conditions, modifier) {
  	      return new A.CssMediaQuery0(modifier, type, true, conditions == null ? B.List_empty : A.List_List$unmodifiable(conditions, type$.String));
  	    },
  	    CssMediaQuery$condition0(conditions, conjunction) {
  	      var t1 = A.List_List$unmodifiable(conditions, type$.String);
  	      if (t1.length > 1 && conjunction == null)
  	        A.throwExpression(A.ArgumentError$(string$.If_con, null));
  	      return new A.CssMediaQuery0(null, null, conjunction !== false, t1);
  	    },
  	    CssMediaQuery0: function CssMediaQuery0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.modifier = t0;
  	      _.type = t1;
  	      _.conjunction = t2;
  	      _.conditions = t3;
  	    },
  	    _SingletonCssMediaQueryMergeResult0: function _SingletonCssMediaQueryMergeResult0(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    MediaQuerySuccessfulMergeResult0: function MediaQuerySuccessfulMergeResult0(t0) {
  	      this.query = t0;
  	    },
  	    MediaQueryParser0: function MediaQueryParser0(t0, t1) {
  	      this.scanner = t0;
  	      this._parser1$_interpolationMap = t1;
  	    },
  	    MediaQueryParser_parse_closure0: function MediaQueryParser_parse_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ModifiableCssMediaRule$0(queries, span) {
  	      var t1 = A.List_List$unmodifiable(queries, type$.CssMediaQuery_2),
  	        t2 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      if (J.get$isEmpty$asx(queries))
  	        A.throwExpression(A.ArgumentError$value(queries, "queries", "may not be empty."));
  	      return new A.ModifiableCssMediaRule0(t1, span, new A.UnmodifiableListView(t2, type$.UnmodifiableListView_ModifiableCssNode_2), t2);
  	    },
  	    ModifiableCssMediaRule0: function ModifiableCssMediaRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.queries = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._node$_children = t3;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    MediaRule$0(query, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.MediaRule0(query, span, t1, t2);
  	    },
  	    MediaRule0: function MediaRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.query = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    MergedExtension_merge0(left, right) {
  	      var t2, t3, t4,
  	        t1 = left.extender.selector;
  	      if (!t1.$eq(0, right.extender.selector) || !left.target.$eq(0, right.target))
  	        throw A.wrapException(A.ArgumentError$(left.toString$0(0) + " and " + right.toString$0(0) + " aren't the same extension.", null));
  	      t2 = left.mediaContext;
  	      t3 = t2 == null;
  	      if (!t3) {
  	        t4 = right.mediaContext;
  	        t4 = t4 != null && !B.C_ListEquality.equals$2(0, t2, t4);
  	      } else
  	        t4 = false;
  	      if (t4)
  	        throw A.wrapException(A.SassException$0("From " + left.span.message$1(0, "") + string$.x0aYou_m, right.span, null));
  	      if (right.isOptional && right.mediaContext == null)
  	        return left;
  	      if (left.isOptional && t3)
  	        return right;
  	      if (t3)
  	        t2 = right.mediaContext;
  	      t1.get$specificity();
  	      t1 = new A.Extender0(t1, false);
  	      return t1._extension$_extension = new A.MergedExtension0(left, right, t1, left.target, t2, true, left.span);
  	    },
  	    MergedExtension0: function MergedExtension0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.left = t0;
  	      _.right = t1;
  	      _.extender = t2;
  	      _.target = t3;
  	      _.mediaContext = t4;
  	      _.isOptional = t5;
  	      _.span = t6;
  	    },
  	    MergedMapView$0(maps, $K, $V) {
  	      var t1 = $K._eval$1("@<0>")._bind$1($V);
  	      t1 = new A.MergedMapView0(A.LinkedHashMap_LinkedHashMap$_empty($K, t1._eval$1("Map<1,2>")), t1._eval$1("MergedMapView0<1,2>"));
  	      t1.MergedMapView$10(maps, $K, $V);
  	      return t1;
  	    },
  	    MergedMapView0: function MergedMapView0(t0, t1) {
  	      this._merged_map_view$_mapsByKey = t0;
  	      this.$ti = t1;
  	    },
  	    _function6($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:meta");
  	    },
  	    _shared_closure3: function _shared_closure3() {
  	    },
  	    _shared_closure4: function _shared_closure4() {
  	    },
  	    _shared_closure5: function _shared_closure5() {
  	    },
  	    _shared_closure6: function _shared_closure6() {
  	    },
  	    moduleFunctions_closure2: function moduleFunctions_closure2() {
  	    },
  	    moduleFunctions_closure3: function moduleFunctions_closure3() {
  	    },
  	    moduleFunctions__closure0: function moduleFunctions__closure0() {
  	    },
  	    moduleFunctions_closure4: function moduleFunctions_closure4() {
  	    },
  	    mixinClass_closure: function mixinClass_closure() {
  	    },
  	    mixinClass__closure: function mixinClass__closure() {
  	    },
  	    mixinClass__closure0: function mixinClass__closure0() {
  	    },
  	    SassMixin0: function SassMixin0(t0, t1) {
  	      this.callable = t0;
  	      this._mixin0$_compileContext = t1;
  	    },
  	    MixinRule$0($name, parameters, children, span, comment) {
  	      var t1 = A.stringReplaceAllUnchecked($name, "_", "-"),
  	        t2 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t3 = B.JSArray_methods.any$1(t2, new A.ParentStatement_closure0());
  	      return new A.MixinRule0(t1, $name, parameters, span, t2, t3);
  	    },
  	    MixinRule0: function MixinRule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._mixin_rule$__MixinRule_hasContent_FI = $;
  	      _.name = t0;
  	      _.originalName = t1;
  	      _.parameters = t2;
  	      _.span = t3;
  	      _.children = t4;
  	      _.hasDeclarations = t5;
  	    },
  	    _HasContentVisitor0: function _HasContentVisitor0() {
  	    },
  	    __HasContentVisitor_Object_StatementSearchVisitor0: function __HasContentVisitor_Object_StatementSearchVisitor0() {
  	    },
  	    ExtendMode0: function ExtendMode0(t0, t1, t2) {
  	      this.name = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    JSModule0: function JSModule0() {
  	    },
  	    JSModuleRequire0: function JSModuleRequire0() {
  	    },
  	    MultiSpan0: function MultiSpan0(t0, t1, t2) {
  	      this._multi_span0$_primary = t0;
  	      this.primaryLabel = t1;
  	      this.secondarySpans = t2;
  	    },
  	    SupportsNegation0: function SupportsNegation0(t0, t1) {
  	      this.condition = t0;
  	      this.span = t1;
  	    },
  	    NoOpImporter0: function NoOpImporter0() {
  	    },
  	    NoSourceMapBuffer0: function NoSourceMapBuffer0(t0) {
  	      this._no_source_map_buffer0$_buffer = t0;
  	    },
  	    _FakeAstNode0: function _FakeAstNode0(t0) {
  	      this._node0$_callback = t0;
  	    },
  	    CssNode0: function CssNode0() {
  	    },
  	    CssParentNode0: function CssParentNode0() {
  	    },
  	    _IsInvisibleVisitor1: function _IsInvisibleVisitor1(t0, t1) {
  	      this.includeBogus = t0;
  	      this.includeComments = t1;
  	    },
  	    __IsInvisibleVisitor_Object_EveryCssVisitor0: function __IsInvisibleVisitor_Object_EveryCssVisitor0() {
  	    },
  	    ModifiableCssNode0: function ModifiableCssNode0() {
  	    },
  	    ModifiableCssNode_hasFollowingSibling_closure0: function ModifiableCssNode_hasFollowingSibling_closure0() {
  	    },
  	    ModifiableCssParentNode0: function ModifiableCssParentNode0() {
  	    },
  	    NodePackageImporter0: function NodePackageImporter0() {
  	      this._node_package$__NodePackageImporter__entryPointDirectory_F = $;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure3: function NodePackageImporter__nodePackageExportsResolve_closure3() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure4: function NodePackageImporter__nodePackageExportsResolve_closure4() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure5: function NodePackageImporter__nodePackageExportsResolve_closure5() {
  	    },
  	    NodePackageImporter__nodePackageExportsResolve_closure6: function NodePackageImporter__nodePackageExportsResolve_closure6(t0, t1, t2) {
  	      this.$this = t0;
  	      this.exports = t1;
  	      this.packageRoot = t2;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve__closure1: function NodePackageImporter__nodePackageExportsResolve__closure1(t0, t1, t2) {
  	      this.$this = t0;
  	      this.variant = t1;
  	      this.packageRoot = t2;
  	    },
  	    NodePackageImporter__nodePackageExportsResolve__closure2: function NodePackageImporter__nodePackageExportsResolve__closure2() {
  	    },
  	    NodePackageImporter__getMainExport_closure0: function NodePackageImporter__getMainExport_closure0() {
  	    },
  	    NullExpression$(span) {
  	      return new A.NullExpression0(span);
  	    },
  	    NullExpression0: function NullExpression0(t0) {
  	      this.span = t0;
  	    },
  	    legacyNullClass_closure: function legacyNullClass_closure() {
  	    },
  	    legacyNullClass__closure: function legacyNullClass__closure() {
  	    },
  	    _SassNull0: function _SassNull0() {
  	    },
  	    NumberExpression0: function NumberExpression0(t0, t1, t2) {
  	      this.value = t0;
  	      this.unit = t1;
  	      this.span = t2;
  	    },
  	    numberClass_closure: function numberClass_closure() {
  	    },
  	    numberClass__closure: function numberClass__closure() {
  	    },
  	    numberClass__closure0: function numberClass__closure0() {
  	    },
  	    numberClass__closure1: function numberClass__closure1() {
  	    },
  	    numberClass__closure2: function numberClass__closure2() {
  	    },
  	    numberClass__closure3: function numberClass__closure3() {
  	    },
  	    numberClass__closure4: function numberClass__closure4() {
  	    },
  	    numberClass__closure5: function numberClass__closure5() {
  	    },
  	    numberClass__closure6: function numberClass__closure6() {
  	    },
  	    numberClass__closure7: function numberClass__closure7() {
  	    },
  	    numberClass__closure8: function numberClass__closure8() {
  	    },
  	    numberClass__closure9: function numberClass__closure9() {
  	    },
  	    numberClass__closure10: function numberClass__closure10() {
  	    },
  	    numberClass__closure11: function numberClass__closure11() {
  	    },
  	    numberClass__closure12: function numberClass__closure12() {
  	    },
  	    numberClass__closure13: function numberClass__closure13() {
  	    },
  	    numberClass__closure14: function numberClass__closure14() {
  	    },
  	    numberClass__closure15: function numberClass__closure15() {
  	    },
  	    numberClass__closure16: function numberClass__closure16() {
  	    },
  	    numberClass__closure17: function numberClass__closure17() {
  	    },
  	    numberClass__closure18: function numberClass__closure18() {
  	    },
  	    numberClass__closure19: function numberClass__closure19() {
  	    },
  	    _ConstructorOptions0: function _ConstructorOptions0() {
  	    },
  	    _parseNumber(value, unit) {
  	      var invalidUnit, operands, t1, numerator, denominator, numeratorUnits, denominatorUnits;
  	      if (unit == null || unit.length === 0)
  	        return A.SassNumber_SassNumber0(value, null);
  	      if (!B.JSString_methods.contains$1(unit, "*") && !B.JSString_methods.contains$1(unit, "/"))
  	        return A.SassNumber_SassNumber0(value, unit);
  	      invalidUnit = new A.ArgumentError(true, unit, "unit", "is invalid.");
  	      operands = unit.split("/");
  	      t1 = operands.length;
  	      if (t1 > 2)
  	        throw A.wrapException(invalidUnit);
  	      numerator = operands[0];
  	      denominator = t1 === 1 ? null : operands[1];
  	      t1 = type$.JSArray_String;
  	      numeratorUnits = numerator.length === 0 ? A._setArrayType([], t1) : A._setArrayType(numerator.split("*"), t1);
  	      if (B.JSArray_methods.any$1(numeratorUnits, new A._parseNumber_closure()))
  	        throw A.wrapException(invalidUnit);
  	      denominatorUnits = denominator == null ? A._setArrayType([], t1) : A._setArrayType(denominator.split("*"), t1);
  	      if (B.JSArray_methods.any$1(denominatorUnits, new A._parseNumber_closure0()))
  	        throw A.wrapException(invalidUnit);
  	      return A.SassNumber_SassNumber$withUnits0(value, denominatorUnits, numeratorUnits);
  	    },
  	    _NodeSassNumber: function _NodeSassNumber() {
  	    },
  	    legacyNumberClass_closure: function legacyNumberClass_closure() {
  	    },
  	    legacyNumberClass_closure0: function legacyNumberClass_closure0() {
  	    },
  	    legacyNumberClass_closure1: function legacyNumberClass_closure1() {
  	    },
  	    legacyNumberClass_closure2: function legacyNumberClass_closure2() {
  	    },
  	    legacyNumberClass_closure3: function legacyNumberClass_closure3() {
  	    },
  	    _parseNumber_closure: function _parseNumber_closure() {
  	    },
  	    _parseNumber_closure0: function _parseNumber_closure0() {
  	    },
  	    conversionFactor0(unit1, unit2) {
  	      var _0_0;
  	      if (unit1 === unit2)
  	        return 1;
  	      _0_0 = B.Map_NtHoP.$index(0, unit1);
  	      if (_0_0 != null)
  	        return _0_0.$index(0, unit2);
  	      return null;
  	    },
  	    SassNumber_SassNumber0(value, unit) {
  	      return unit == null ? new A.UnitlessSassNumber0(value, null) : new A.SingleUnitSassNumber0(unit, value, null);
  	    },
  	    SassNumber_SassNumber$withUnits0(value, denominatorUnits, numeratorUnits) {
  	      var _0_8, _0_10, _0_10_isSet, _0_7, _0_8_isSet, _0_7_isSet, unit, _0_7_isSet0, t2, _0_4_isSet, numerators, denominators, unsimplifiedDenominators, valueDouble, _i, denominator, simplifiedAway, i, factor, _1_2, _1_7_isSet, _1_7, _null = null,
  	        _0_3 = numeratorUnits == null,
  	        t1 = _0_3,
  	        _0_6_isSet = !t1,
  	        _0_6 = _null,
  	        _0_4 = _null;
  	      if (_0_6_isSet) {
  	        _0_4 = J.get$length$asx(numeratorUnits == null ? type$.List_String._as(numeratorUnits) : numeratorUnits);
  	        t1 = _0_4;
  	        _0_6 = t1 <= 0;
  	        t1 = _0_6;
  	      } else
  	        t1 = true;
  	      _0_8 = _null;
  	      _0_10 = _null;
  	      if (t1) {
  	        _0_8 = denominatorUnits == null;
  	        t1 = _0_8;
  	        _0_10_isSet = !t1;
  	        if (_0_10_isSet) {
  	          _0_10 = J.get$length$asx(denominatorUnits == null ? type$.List_String._as(denominatorUnits) : denominatorUnits) <= 0;
  	          t1 = _0_10;
  	        } else
  	          t1 = true;
  	        _0_7 = denominatorUnits;
  	        _0_8_isSet = true;
  	        _0_7_isSet = true;
  	      } else {
  	        _0_7 = _null;
  	        _0_8_isSet = false;
  	        _0_7_isSet = false;
  	        _0_10_isSet = false;
  	        t1 = false;
  	      }
  	      if (t1)
  	        return new A.UnitlessSassNumber0(value, _null);
  	      unit = _null;
  	      t1 = false;
  	      if (type$.List_dynamic._is(numeratorUnits)) {
  	        _0_7_isSet0 = true;
  	        if (_0_6_isSet) {
  	          t2 = _0_4;
  	          _0_4_isSet = _0_6_isSet;
  	        } else {
  	          _0_4 = J.get$length$asx(numeratorUnits);
  	          t2 = _0_4;
  	          _0_4_isSet = true;
  	        }
  	        if (t2 === 1) {
  	          unit = J.$index$asx(numeratorUnits, 0);
  	          if (_0_8_isSet)
  	            t1 = _0_8;
  	          else {
  	            if (_0_7_isSet)
  	              t1 = _0_7;
  	            else {
  	              t1 = denominatorUnits;
  	              _0_7_isSet = _0_7_isSet0;
  	              _0_7 = t1;
  	            }
  	            _0_8 = t1 == null;
  	            t1 = _0_8;
  	            _0_8_isSet = true;
  	          }
  	          if (!t1)
  	            if (_0_10_isSet)
  	              t1 = _0_10;
  	            else {
  	              if (_0_7_isSet)
  	                t1 = _0_7;
  	              else {
  	                t1 = denominatorUnits;
  	                _0_7_isSet = _0_7_isSet0;
  	                _0_7 = t1;
  	              }
  	              _0_10 = J.get$length$asx(t1 == null ? type$.List_String._as(t1) : t1) <= 0;
  	              t1 = _0_10;
  	              _0_10_isSet = true;
  	            }
  	          else
  	            t1 = true;
  	        }
  	      } else
  	        _0_4_isSet = _0_6_isSet;
  	      if (t1)
  	        return new A.SingleUnitSassNumber0(unit, value, _null);
  	      t1 = false;
  	      if (numeratorUnits != null) {
  	        _0_7_isSet0 = true;
  	        if (_0_8_isSet)
  	          t1 = _0_8;
  	        else {
  	          if (_0_7_isSet)
  	            t1 = _0_7;
  	          else {
  	            t1 = denominatorUnits;
  	            _0_7_isSet = _0_7_isSet0;
  	            _0_7 = t1;
  	          }
  	          _0_8 = t1 == null;
  	          t1 = _0_8;
  	        }
  	        if (!t1)
  	          if (_0_10_isSet)
  	            t1 = _0_10;
  	          else {
  	            if (_0_7_isSet)
  	              t1 = _0_7;
  	            else {
  	              t1 = denominatorUnits;
  	              _0_7_isSet = _0_7_isSet0;
  	              _0_7 = t1;
  	            }
  	            _0_10 = J.get$length$asx(t1 == null ? type$.List_String._as(t1) : t1) <= 0;
  	            t1 = _0_10;
  	          }
  	        else
  	          t1 = true;
  	        numerators = numeratorUnits;
  	      } else
  	        numerators = _null;
  	      if (t1)
  	        return new A.ComplexSassNumber0(A.List_List$unmodifiable(numerators, type$.String), B.List_empty, value, _null);
  	      if (!_0_3)
  	        if (_0_6_isSet)
  	          t1 = _0_6;
  	        else {
  	          if (_0_4_isSet)
  	            t1 = _0_4;
  	          else {
  	            _0_4 = J.get$length$asx(numeratorUnits == null ? type$.List_String._as(numeratorUnits) : numeratorUnits);
  	            t1 = _0_4;
  	          }
  	          _0_6 = t1 <= 0;
  	          t1 = _0_6;
  	        }
  	      else
  	        t1 = true;
  	      denominators = _null;
  	      if (t1) {
  	        if (_0_7_isSet)
  	          t1 = _0_7;
  	        else {
  	          t1 = denominatorUnits;
  	          _0_7 = t1;
  	          _0_7_isSet = true;
  	        }
  	        t1 = t1 != null;
  	        if (t1) {
  	          denominators = _0_7_isSet ? _0_7 : denominatorUnits;
  	          if (denominators == null)
  	            denominators = type$.List_String._as(denominators);
  	        }
  	      } else
  	        t1 = false;
  	      if (t1)
  	        return new A.ComplexSassNumber0(B.List_empty, A.List_List$unmodifiable(denominators, type$.String), value, _null);
  	      numeratorUnits.toString;
  	      numerators = J.toList$0$ax(numeratorUnits);
  	      denominatorUnits.toString;
  	      unsimplifiedDenominators = J.toList$0$ax(denominatorUnits);
  	      denominators = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = unsimplifiedDenominators.length, valueDouble = value, _i = 0; _i < unsimplifiedDenominators.length; unsimplifiedDenominators.length === t1 || (0, A.throwConcurrentModificationError)(unsimplifiedDenominators), ++_i) {
  	        denominator = unsimplifiedDenominators[_i];
  	        i = 0;
  	        for (;;) {
  	          if (!(i < numerators.length)) {
  	            simplifiedAway = false;
  	            break;
  	          }
  	          c$0: {
  	            factor = A.conversionFactor0(denominator, numerators[i]);
  	            if (factor == null)
  	              break c$0;
  	            valueDouble *= factor;
  	            B.JSArray_methods.removeAt$1(numerators, i);
  	            simplifiedAway = true;
  	            break;
  	          }
  	          ++i;
  	        }
  	        if (!simplifiedAway)
  	          denominators.push(denominator);
  	      }
  	      $label0$1: {
  	        _1_2 = numerators.length;
  	        t1 = _1_2;
  	        _1_7_isSet = t1 <= 0;
  	        if (_1_7_isSet) {
  	          _1_7 = denominators.length <= 0;
  	          t1 = _1_7;
  	        } else {
  	          _1_7 = _null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = new A.UnitlessSassNumber0(valueDouble, _null);
  	          break $label0$1;
  	        }
  	        t1 = false;
  	        if (_1_2 === 1) {
  	          unit = numerators[0];
  	          t1 = _1_7_isSet ? _1_7 : denominators.length <= 0;
  	        } else
  	          unit = _null;
  	        if (t1) {
  	          t1 = new A.SingleUnitSassNumber0(unit, valueDouble, _null);
  	          break $label0$1;
  	        }
  	        t1 = type$.String;
  	        t1 = new A.ComplexSassNumber0(A.List_List$unmodifiable(numerators, t1), A.List_List$unmodifiable(denominators, t1), valueDouble, _null);
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    SassNumber0: function SassNumber0() {
  	    },
  	    SassNumber__coerceOrConvertValue_compatibilityException0: function SassNumber__coerceOrConvertValue_compatibilityException0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.other = t1;
  	      _.otherName = t2;
  	      _.otherHasUnits = t3;
  	      _.name = t4;
  	      _.newNumerators = t5;
  	      _.newDenominators = t6;
  	    },
  	    SassNumber__coerceOrConvertValue_closure3: function SassNumber__coerceOrConvertValue_closure3(t0, t1) {
  	      this._box_0 = t0;
  	      this.newNumerator = t1;
  	    },
  	    SassNumber__coerceOrConvertValue_closure4: function SassNumber__coerceOrConvertValue_closure4(t0) {
  	      this.compatibilityException = t0;
  	    },
  	    SassNumber__coerceOrConvertValue_closure5: function SassNumber__coerceOrConvertValue_closure5(t0, t1) {
  	      this._box_0 = t0;
  	      this.newDenominator = t1;
  	    },
  	    SassNumber__coerceOrConvertValue_closure6: function SassNumber__coerceOrConvertValue_closure6(t0) {
  	      this.compatibilityException = t0;
  	    },
  	    SassNumber_plus_closure0: function SassNumber_plus_closure0() {
  	    },
  	    SassNumber_minus_closure0: function SassNumber_minus_closure0() {
  	    },
  	    SassNumber_multiplyUnits_closure3: function SassNumber_multiplyUnits_closure3(t0, t1) {
  	      this._box_0 = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure4: function SassNumber_multiplyUnits_closure4(t0, t1) {
  	      this.newNumerators = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure5: function SassNumber_multiplyUnits_closure5(t0, t1) {
  	      this._box_0 = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber_multiplyUnits_closure6: function SassNumber_multiplyUnits_closure6(t0, t1) {
  	      this.newNumerators = t0;
  	      this.numerator = t1;
  	    },
  	    SassNumber__areAnyConvertible_closure0: function SassNumber__areAnyConvertible_closure0(t0) {
  	      this.units2 = t0;
  	    },
  	    SassNumber__canonicalizeUnitList_closure0: function SassNumber__canonicalizeUnitList_closure0() {
  	    },
  	    SassNumber__canonicalMultiplier_closure0: function SassNumber__canonicalMultiplier_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SassNumber_unitSuggestion_closure1: function SassNumber_unitSuggestion_closure1() {
  	    },
  	    SassNumber_unitSuggestion_closure2: function SassNumber_unitSuggestion_closure2() {
  	    },
  	    OklabColorSpace0: function OklabColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    OklchColorSpace0: function OklchColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    SupportsOperation0: function SupportsOperation0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.left = t0;
  	      _.right = t1;
  	      _.operator = t2;
  	      _.span = t3;
  	    },
  	    Parameter0: function Parameter0(t0, t1, t2) {
  	      this.name = t0;
  	      this.defaultValue = t1;
  	      this.span = t2;
  	    },
  	    ParameterList_ParameterList$parse0(contents, url) {
  	      return A.ScssParser$0(contents, false, url).parseParameterList$0();
  	    },
  	    ParameterList0: function ParameterList0(t0, t1, t2) {
  	      this.parameters = t0;
  	      this.restParameter = t1;
  	      this.span = t2;
  	    },
  	    ParameterList_verify_closure1: function ParameterList_verify_closure1() {
  	    },
  	    ParameterList_verify_closure2: function ParameterList_verify_closure2() {
  	    },
  	    InterpolatedParentSelector: function InterpolatedParentSelector(t0, t1) {
  	      this.suffix = t0;
  	      this.span = t1;
  	    },
  	    ParentSelector0: function ParentSelector0(t0, t1) {
  	      this.suffix = t0;
  	      this.span = t1;
  	    },
  	    ParentStatement0: function ParentStatement0() {
  	    },
  	    ParentStatement_closure0: function ParentStatement_closure0() {
  	    },
  	    ParentStatement__closure0: function ParentStatement__closure0() {
  	    },
  	    ParenthesizedExpression0: function ParenthesizedExpression0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    loadParserExports() {
  	      A._updateLazyFileSpanPrototype();
  	      A._updateAstPrototypes();
  	      return {parse: A.allowInterop(A.parser0___parse$closure()), parseIdentifier: A.allowInterop(A.parser0___parseIdentifier$closure()), toCssIdentifier: A.allowInterop(A.parser0___toCssIdentifier$closure()), createExpressionVisitor: A.allowInterop(new A.loadParserExports_closure()), createIfConditionExpressionVisitor: A.allowInterop(new A.loadParserExports_closure0()), createStatementVisitor: A.allowInterop(new A.loadParserExports_closure1()), createSimpleSelectorVisitor: A.allowInterop(new A.loadParserExports_closure2()), createSourceFile: A.allowInterop(new A.loadParserExports_closure3()), setToJS: A.allowInterop(new A.loadParserExports_closure4()), mapToRecord: A.allowInterop(A.utils3__mapToObject$closure())};
  	    },
  	    _updateLazyFileSpanPrototype() {
  	      var t1 = type$.JSClass._as(new A.LazyFileSpan0(new A._updateLazyFileSpanPrototype_closure()).constructor);
  	      A.LinkedHashMap_LinkedHashMap$_literal(["file", new A._updateLazyFileSpanPrototype_closure0(), "length", new A._updateLazyFileSpanPrototype_closure1(), "sourceUrl", new A._updateLazyFileSpanPrototype_closure2()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineGetter(t1));
  	    },
  	    _updateAstPrototypes() {
  	      var t3, string, $arguments, klass, compound, ifConditionSass, _i, t4, _null = null, _s6_ = "accept",
  	        _s9_ = "arguments",
  	        file = A.SourceFile$fromString("", _null),
  	        t1 = type$.JSClass,
  	        t2 = t1._as(file.constructor);
  	      A.LinkedHashMap_LinkedHashMap$_literal(["getText", new A._updateAstPrototypes_closure(), "span", new A._updateAstPrototypes_closure0()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineMethod(t2));
  	      A.defineGetter(J.get$$prototype$x(t1._as(file.constructor)), "codeUnits", new A._updateAstPrototypes_closure1(), _null);
  	      t2 = $.$get$_interpolation();
  	      A.defineGetter(J.get$$prototype$x(t1._as(t2.constructor)), "asPlain", new A._updateAstPrototypes_closure2(), _null);
  	      t3 = $.$get$bogusSpan0();
  	      J.get$$prototype$x(t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(new A.ExtendRule0(t2, false, t3).constructor))).constructor)).accept = A.allowInteropCaptureThisNamed(_s6_, new A._updateAstPrototypes_closure3());
  	      string = new A.StringExpression0(t2, false);
  	      J.get$$prototype$x(t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(string.constructor))).constructor)).accept = A.allowInteropCaptureThisNamed(_s6_, new A._updateAstPrototypes_closure4());
  	      J.get$$prototype$x(t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(new A.InterpolatedParentSelector(_null, t3).constructor))).constructor)).accept = A.allowInteropCaptureThisNamed(_s6_, new A._updateAstPrototypes_closure5());
  	      J.get$$prototype$x(t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(new A.IfConditionSass0(string, t3).constructor))).constructor)).accept = A.allowInteropCaptureThisNamed(_s6_, new A._updateAstPrototypes_closure6());
  	      $arguments = A.ArgumentList$0(B.List_empty24, B.Map_empty14, B.Map_empty5, t3, _null, _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.IncludeRule0(_null, A.stringReplaceAllUnchecked("a", "_", "-"), "a", $arguments, _null, t3).constructor)), _s9_, new A._updateAstPrototypes_closure7(), _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.ContentRule0($arguments, t3).constructor)), _s9_, new A._updateAstPrototypes_closure8(), _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.FunctionExpression0(_null, A.stringReplaceAllUnchecked("a", "_", "-"), "a", $arguments, t3).constructor)), _s9_, new A._updateAstPrototypes_closure9(), _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.LegacyIfExpression0($arguments, t3).constructor)), _s9_, new A._updateAstPrototypes_closure10(), _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.InterpolatedFunctionExpression0(t2, $arguments, t3).constructor)), _s9_, new A._updateAstPrototypes_closure11(), _null);
  	      A.defineGetter(J.get$$prototype$x(t1._as(new A.IfConditionFunction0(t2, t2, t3).constructor)), _s9_, new A._updateAstPrototypes_closure12(), _null);
  	      A._addSupportsConditionToInterpolation();
  	      klass = new A.InterpolatedClassSelector(t2);
  	      compound = A.InterpolatedCompoundSelector$(A._setArrayType([klass], type$.JSArray_InterpolatedSimpleSelector));
  	      ifConditionSass = new A.IfConditionSass0(string, t3);
  	      for (t2 = [string, new A.BinaryOperationExpression0(B.BinaryOperator_jCK0, string, string, false), new A.SupportsExpression0(new A.SupportsAnything0(t2, t3)), new A.LoudComment0(t2), klass, new A.InterpolatedIDSelector(t2), new A.InterpolatedPlaceholderSelector(t2), new A.InterpolatedTypeSelector(new A.InterpolatedQualifiedName(t2, t3, _null)), compound, A.InterpolatedSelectorList$(A._setArrayType([A.InterpolatedComplexSelector$(A._setArrayType([new A.InterpolatedComplexSelectorComponent(compound, _null, t3)], type$.JSArray_InterpolatedComplexSelectorComponent), t3, _null)], type$.JSArray_InterpolatedComplexSelector)), A.IfConditionOperation$0(A._setArrayType([ifConditionSass, ifConditionSass], type$.JSArray_IfConditionExpression_2), B.BooleanOperator_00), new A.IfConditionRaw0(t2)], _i = 0; _i < 12; ++_i) {
  	        t3 = J.get$$prototype$x(t1._as(t2[_i].constructor));
  	        t4 = {get: A.allowInteropCaptureThis(new A._updateAstPrototypes_closure13()), enumerable: false};
  	        self.Object.defineProperty(t3, "span", t4);
  	      }
  	    },
  	    _addSupportsConditionToInterpolation() {
  	      var t3, _i, $function, t4,
  	        t1 = $.$get$_interpolation(),
  	        t2 = $.$get$bogusSpan0(),
  	        anything = new A.SupportsAnything0(t1, t2);
  	      for (t3 = $.$get$_expression(), t2 = [anything, new A.SupportsDeclaration0(t3, t3, t2), new A.SupportsFunction0(t1, t1, t2), new A.SupportsInterpolation0(t3, t2), new A.SupportsNegation0(anything, t2), new A.SupportsOperation0(anything, anything, B.BooleanOperator_00, t2)], t3 = type$.JSClass, _i = 0; _i < 6; ++_i) {
  	        t1 = J.get$$prototype$x(t3._as(t2[_i].constructor));
  	        $function = A.allowInteropCaptureThis(new A._addSupportsConditionToInterpolation_closure());
  	        t4 = {value: "toInterpolation", enumerable: false};
  	        self.Object.defineProperty($function, "name", t4);
  	        A._hideDartProperties($function);
  	        t1.toInterpolation = $function;
  	      }
  	    },
  	    _parse(css, syntax, path) {
  	      var t1;
  	      $label0$0: {
  	        if ("scss" === syntax) {
  	          t1 = B.Syntax_SCSS_0_scss0;
  	          break $label0$0;
  	        }
  	        if ("sass" === syntax) {
  	          t1 = B.Syntax_Sass_1_sass0;
  	          break $label0$0;
  	        }
  	        if ("css" === syntax) {
  	          t1 = B.Syntax_CSS_2_css0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$('Unknown syntax "' + syntax + '"'));
  	      }
  	      return A.Stylesheet_Stylesheet$parse0(css, t1, true, A.NullableExtension_andThen0(path, A.path__toUri$closure()));
  	    },
  	    _parseIdentifier(identifier) {
  	      var t1;
  	      try {
  	        t1 = new A.Parser1(A.SpanScanner$(identifier, null), null)._parser1$_parseIdentifier$0();
  	        return t1;
  	      } catch (exception) {
  	        if (type$.SassFormatException_2._is(A.unwrapException(exception)))
  	          return null;
  	        else
  	          throw exception;
  	      }
  	    },
  	    _toCssIdentifier(text) {
  	      return A.StringExtension_toCssIdentifier(text);
  	    },
  	    ParserExports: function ParserExports() {
  	    },
  	    loadParserExports_closure: function loadParserExports_closure() {
  	    },
  	    loadParserExports_closure0: function loadParserExports_closure0() {
  	    },
  	    loadParserExports_closure1: function loadParserExports_closure1() {
  	    },
  	    loadParserExports_closure2: function loadParserExports_closure2() {
  	    },
  	    loadParserExports_closure3: function loadParserExports_closure3() {
  	    },
  	    loadParserExports_closure4: function loadParserExports_closure4() {
  	    },
  	    _updateLazyFileSpanPrototype_closure: function _updateLazyFileSpanPrototype_closure() {
  	    },
  	    _updateLazyFileSpanPrototype_closure0: function _updateLazyFileSpanPrototype_closure0() {
  	    },
  	    _updateLazyFileSpanPrototype_closure1: function _updateLazyFileSpanPrototype_closure1() {
  	    },
  	    _updateLazyFileSpanPrototype_closure2: function _updateLazyFileSpanPrototype_closure2() {
  	    },
  	    _updateAstPrototypes_closure: function _updateAstPrototypes_closure() {
  	    },
  	    _updateAstPrototypes_closure0: function _updateAstPrototypes_closure0() {
  	    },
  	    _updateAstPrototypes_closure1: function _updateAstPrototypes_closure1() {
  	    },
  	    _updateAstPrototypes_closure2: function _updateAstPrototypes_closure2() {
  	    },
  	    _updateAstPrototypes_closure3: function _updateAstPrototypes_closure3() {
  	    },
  	    _updateAstPrototypes_closure4: function _updateAstPrototypes_closure4() {
  	    },
  	    _updateAstPrototypes_closure5: function _updateAstPrototypes_closure5() {
  	    },
  	    _updateAstPrototypes_closure6: function _updateAstPrototypes_closure6() {
  	    },
  	    _updateAstPrototypes_closure7: function _updateAstPrototypes_closure7() {
  	    },
  	    _updateAstPrototypes_closure8: function _updateAstPrototypes_closure8() {
  	    },
  	    _updateAstPrototypes_closure9: function _updateAstPrototypes_closure9() {
  	    },
  	    _updateAstPrototypes_closure10: function _updateAstPrototypes_closure10() {
  	    },
  	    _updateAstPrototypes_closure11: function _updateAstPrototypes_closure11() {
  	    },
  	    _updateAstPrototypes_closure12: function _updateAstPrototypes_closure12() {
  	    },
  	    _updateAstPrototypes_closure13: function _updateAstPrototypes_closure13() {
  	    },
  	    _addSupportsConditionToInterpolation_closure: function _addSupportsConditionToInterpolation_closure() {
  	    },
  	    Parser_isIdentifier0(text) {
  	      try {
  	        new A.Parser1(A.SpanScanner$(text, null), null)._parser1$_parseIdentifier$0();
  	        return true;
  	      } catch (exception) {
  	        if (type$.SassFormatException_2._is(A.unwrapException(exception)))
  	          return false;
  	        else
  	          throw exception;
  	      }
  	    },
  	    Parser1: function Parser1(t0, t1) {
  	      this.scanner = t0;
  	      this._parser1$_interpolationMap = t1;
  	    },
  	    Parser__parseIdentifier_closure0: function Parser__parseIdentifier_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    Parser_escape_closure0: function Parser_escape_closure0() {
  	    },
  	    Parser_scanIdentChar_matches0: function Parser_scanIdentChar_matches0(t0, t1) {
  	      this.caseSensitive = t0;
  	      this.char = t1;
  	    },
  	    Parser_spanFrom_closure0: function Parser_spanFrom_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.span = t1;
  	    },
  	    Parser_spanFromPosition_closure0: function Parser_spanFromPosition_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.span = t1;
  	    },
  	    InterpolatedPlaceholderSelector: function InterpolatedPlaceholderSelector(t0) {
  	      this.name = t0;
  	    },
  	    PlaceholderSelector0: function PlaceholderSelector0(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    PlainCssCallable0: function PlainCssCallable0(t0) {
  	      this.name = t0;
  	    },
  	    PrefixedMapView0: function PrefixedMapView0(t0, t1, t2) {
  	      this._prefixed_map_view0$_map = t0;
  	      this._prefixed_map_view0$_prefix = t1;
  	      this.$ti = t2;
  	    },
  	    _PrefixedKeys0: function _PrefixedKeys0(t0) {
  	      this._prefixed_map_view0$_view = t0;
  	    },
  	    _PrefixedKeys_iterator_closure0: function _PrefixedKeys_iterator_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ProphotoRgbColorSpace0: function ProphotoRgbColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    InterpolatedPseudoSelector: function InterpolatedPseudoSelector(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.name = t0;
  	      _.isSyntacticClass = t1;
  	      _.argument = t2;
  	      _.selector = t3;
  	      _.span = t4;
  	    },
  	    PseudoSelector$0($name, span, argument, element, selector) {
  	      var t1 = !element,
  	        t2 = t1 && !A.PseudoSelector__isFakePseudoElement0($name);
  	      return new A.PseudoSelector0($name, A.unvendor0($name), t2, t1, argument, selector, span);
  	    },
  	    PseudoSelector__isFakePseudoElement0($name) {
  	      switch ($name.charCodeAt(0)) {
  	        case 97:
  	        case 65:
  	          return A.equalsIgnoreCase0($name, "after");
  	        case 98:
  	        case 66:
  	          return A.equalsIgnoreCase0($name, "before");
  	        case 102:
  	        case 70:
  	          return A.equalsIgnoreCase0($name, "first-line") || A.equalsIgnoreCase0($name, "first-letter");
  	        default:
  	          return false;
  	      }
  	    },
  	    PseudoSelector0: function PseudoSelector0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _.name = t0;
  	      _.normalizedName = t1;
  	      _.isClass = t2;
  	      _.isSyntacticClass = t3;
  	      _.argument = t4;
  	      _.selector = t5;
  	      _._pseudo$__PseudoSelector_specificity_FI = $;
  	      _.span = t6;
  	    },
  	    PseudoSelector_specificity_closure0: function PseudoSelector_specificity_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    PseudoSelector_specificity__closure1: function PseudoSelector_specificity__closure1() {
  	    },
  	    PseudoSelector_specificity__closure2: function PseudoSelector_specificity__closure2() {
  	    },
  	    PseudoSelector_unify_closure0: function PseudoSelector_unify_closure0() {
  	    },
  	    PublicMemberMapView0: function PublicMemberMapView0(t0, t1) {
  	      this._public_member_map_view0$_inner = t0;
  	      this.$ti = t1;
  	    },
  	    InterpolatedQualifiedName: function InterpolatedQualifiedName(t0, t1, t2) {
  	      this.name = t0;
  	      this.span = t1;
  	      this.namespace = t2;
  	    },
  	    QualifiedName0: function QualifiedName0(t0, t1) {
  	      this.name = t0;
  	      this.namespace = t1;
  	    },
  	    Rec2020ColorSpace0: function Rec2020ColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    createJSClass($name, $constructor) {
  	      return type$.JSClass._as(A.allowInteropCaptureThisNamed($name, $constructor));
  	    },
  	    JSClassExtension_injectSuperclass(_this, superclass) {
  	      var t1 = J.getInterceptor$x(superclass),
  	        t2 = J.getInterceptor$x(_this);
  	      self.Object.setPrototypeOf(t1.get$$prototype(superclass), J.get$$prototype$x(type$.JSClass._as(self.Object.getPrototypeOf(t2.get$$prototype(_this)).constructor)));
  	      self.Object.setPrototypeOf(t2.get$$prototype(_this), self.Object.create(t1.get$$prototype(superclass)));
  	    },
  	    JSClassExtension_setCustomInspect(_this, inspect) {
  	      if (self.util == null)
  	        return;
  	      J.get$$prototype$x(_this)[self.util.inspect.custom] = A.allowInteropCaptureThis(new A.JSClassExtension_setCustomInspect_closure(inspect));
  	    },
  	    JSClassExtension_get_defineStaticMethod(_this) {
  	      return new A.JSClassExtension_get_defineStaticMethod_closure(_this);
  	    },
  	    JSClassExtension_get_defineMethod(_this) {
  	      return new A.JSClassExtension_get_defineMethod_closure(_this);
  	    },
  	    JSClassExtension_defineMethods(_this, methods) {
  	      methods.forEach$1(0, A.JSClassExtension_get_defineMethod(_this));
  	    },
  	    JSClassExtension_get_defineGetter(_this) {
  	      return new A.JSClassExtension_get_defineGetter_closure(_this);
  	    },
  	    JSClass0: function JSClass0() {
  	    },
  	    JSClassExtension_setCustomInspect_closure: function JSClassExtension_setCustomInspect_closure(t0) {
  	      this.inspect = t0;
  	    },
  	    JSClassExtension_get_defineStaticMethod_closure: function JSClassExtension_get_defineStaticMethod_closure(t0) {
  	      this._this = t0;
  	    },
  	    JSClassExtension_get_defineMethod_closure: function JSClassExtension_get_defineMethod_closure(t0) {
  	      this._this = t0;
  	    },
  	    JSClassExtension_get_defineGetter_closure: function JSClassExtension_get_defineGetter_closure(t0) {
  	      this._this = t0;
  	    },
  	    RenderContext0: function RenderContext0() {
  	    },
  	    RenderContextOptions0: function RenderContextOptions0() {
  	    },
  	    RenderContextResult0: function RenderContextResult0() {
  	    },
  	    RenderContextResultStats0: function RenderContextResultStats0() {
  	    },
  	    RenderOptions: function RenderOptions() {
  	    },
  	    RenderResult: function RenderResult() {
  	    },
  	    RenderResultStats: function RenderResultStats() {
  	    },
  	    ReplaceExpressionVisitor0: function ReplaceExpressionVisitor0() {
  	    },
  	    ReplaceExpressionVisitor_visitListExpression_closure0: function ReplaceExpressionVisitor_visitListExpression_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitIfConditionOperation_closure0: function ReplaceExpressionVisitor_visitIfConditionOperation_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitArgumentList_closure0: function ReplaceExpressionVisitor_visitArgumentList_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ReplaceExpressionVisitor_visitInterpolation_closure0: function ReplaceExpressionVisitor_visitInterpolation_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    ImporterResult$(contents, sourceMapUrl, syntax) {
  	      if ((sourceMapUrl == null ? null : sourceMapUrl.get$scheme()) === "")
  	        A.throwExpression(A.ArgumentError$value(sourceMapUrl, "sourceMapUrl", "must be absolute"));
  	      return new A.ImporterResult0(contents, sourceMapUrl, syntax);
  	    },
  	    ImporterResult0: function ImporterResult0(t0, t1, t2) {
  	      this.contents = t0;
  	      this._result$_sourceMapUrl = t1;
  	      this.syntax = t2;
  	    },
  	    ReturnRule0: function ReturnRule0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    RgbColorSpace0: function RgbColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    SassParser0: function SassParser0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._sass0$_currentIndentation = 0;
  	      _._sass0$_spaces = _._sass0$_nextIndentationEnd = _._sass0$_nextIndentation = null;
  	      _._parseSelectors = t0;
  	      _._stylesheet0$_isUseAllowed = true;
  	      _._stylesheet0$_inExpression = _._stylesheet0$_inParentheses = _._stylesheet0$_inStyleRule = _._stylesheet0$_inPlainCssFunction = _._stylesheet0$_inUnknownAtRule = _._stylesheet0$_inControlDirective = _._stylesheet0$_inContentBlock = _._stylesheet0$_inMixin = false;
  	      _._stylesheet0$_globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._parser1$_interpolationMap = t4;
  	    },
  	    SassParser_styleRuleSelector_closure0: function SassParser_styleRuleSelector_closure0() {
  	    },
  	    SassParser_children_closure0: function SassParser_children_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.child = t1;
  	      this.children = t2;
  	    },
  	    SassParser__peekIndentation_closure1: function SassParser__peekIndentation_closure1() {
  	    },
  	    SassParser__peekIndentation_closure2: function SassParser__peekIndentation_closure2() {
  	    },
  	    SassParser__tryTrailingSemicolon_closure0: function SassParser__tryTrailingSemicolon_closure0() {
  	    },
  	    _translateReturnValue(val) {
  	      if (val instanceof A._Future)
  	        return A.futureToPromise(val, type$.dynamic);
  	      else
  	        return val;
  	    },
  	    main2() {
  	      A.main();
  	      J.set$cli_pkg_main_0_$x(self.exports, A._wrapMain(A.sass__main$closure()));
  	    },
  	    _wrapMain(main) {
  	      if (type$.dynamic_Function._is(main))
  	        return A.allowInterop(new A._wrapMain_closure(main));
  	      else
  	        return A.allowInterop(new A._wrapMain_closure0(main));
  	    },
  	    _Exports: function _Exports() {
  	    },
  	    _wrapMain_closure: function _wrapMain_closure(t0) {
  	      this.main = t0;
  	    },
  	    _wrapMain_closure0: function _wrapMain_closure0(t0) {
  	      this.main = t0;
  	    },
  	    ScssParser$0(contents, parseSelectors, url) {
  	      return new A.ScssParser0(parseSelectors, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2), A.SpanScanner$(contents, url), null);
  	    },
  	    ScssParser0: function ScssParser0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _._parseSelectors = t0;
  	      _._stylesheet0$_isUseAllowed = true;
  	      _._stylesheet0$_inExpression = _._stylesheet0$_inParentheses = _._stylesheet0$_inStyleRule = _._stylesheet0$_inPlainCssFunction = _._stylesheet0$_inUnknownAtRule = _._stylesheet0$_inControlDirective = _._stylesheet0$_inContentBlock = _._stylesheet0$_inMixin = false;
  	      _._stylesheet0$_globalVariables = t1;
  	      _.warnings = t2;
  	      _.lastSilentComment = null;
  	      _.scanner = t3;
  	      _._parser1$_interpolationMap = t4;
  	    },
  	    Selector0: function Selector0() {
  	    },
  	    _IsInvisibleVisitor2: function _IsInvisibleVisitor2(t0) {
  	      this.includeBogus = t0;
  	    },
  	    _IsBogusVisitor0: function _IsBogusVisitor0(t0) {
  	      this.includeLeadingCombinator = t0;
  	    },
  	    _IsBogusVisitor_visitComplexSelector_closure0: function _IsBogusVisitor_visitComplexSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _IsUselessVisitor0: function _IsUselessVisitor0() {
  	    },
  	    _IsUselessVisitor_visitComplexSelector_closure0: function _IsUselessVisitor_visitComplexSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _ContainsParentSelectorVisitor0: function _ContainsParentSelectorVisitor0() {
  	    },
  	    __ContainsParentSelectorVisitor_Object_AnySelectorVisitor0: function __ContainsParentSelectorVisitor_Object_AnySelectorVisitor0() {
  	    },
  	    __IsBogusVisitor_Object_AnySelectorVisitor0: function __IsBogusVisitor_Object_AnySelectorVisitor0() {
  	    },
  	    __IsInvisibleVisitor_Object_AnySelectorVisitor0: function __IsInvisibleVisitor_Object_AnySelectorVisitor0() {
  	    },
  	    __IsUselessVisitor_Object_AnySelectorVisitor0: function __IsUselessVisitor_Object_AnySelectorVisitor0() {
  	    },
  	    SelectorExpression0: function SelectorExpression0(t0) {
  	      this.span = t0;
  	    },
  	    _prependParent0(compound) {
  	      var _0_3, _0_4, t2, t3, rest,
  	        t1 = A.EvaluationContext_currentOrNull0(),
  	        span = (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan(),
  	        _0_0 = compound.components;
  	      $label0$0: {
  	        _0_3 = _0_0.length >= 1;
  	        if (_0_3) {
  	          _0_4 = _0_0[0];
  	          t1 = _0_4 instanceof A.UniversalSelector0;
  	        } else {
  	          _0_4 = null;
  	          t1 = false;
  	        }
  	        t2 = null;
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_3) {
  	          t3 = _0_4;
  	          if (t3 instanceof A.TypeSelector0) {
  	            t1 = _0_4;
  	            t1 = type$.TypeSelector_2._as(t1).name.namespace != null;
  	          }
  	        }
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (_0_3) {
  	          t1 = _0_4;
  	          t1 = t1 instanceof A.TypeSelector0;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = _0_3 ? _0_4 : _0_0[0];
  	          type$.TypeSelector_2._as(t1);
  	          rest = B.JSArray_methods.sublist$1(_0_0, 1);
  	          t1 = A._setArrayType([new A.ParentSelector0(t1.name.name, span)], type$.JSArray_SimpleSelector_2);
  	          B.JSArray_methods.addAll$1(t1, rest);
  	          t1 = A.CompoundSelector$0(t1, span);
  	          break $label0$0;
  	        }
  	        t1 = A._setArrayType([new A.ParentSelector0(null, span)], type$.JSArray_SimpleSelector_2);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t1 = A.CompoundSelector$0(t1, span);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _function8($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:selector");
  	    },
  	    _nest_closure0: function _nest_closure0() {
  	    },
  	    _nest__closure1: function _nest__closure1() {
  	    },
  	    _nest__closure2: function _nest__closure2() {
  	    },
  	    _append_closure1: function _append_closure1() {
  	    },
  	    _append__closure1: function _append__closure1() {
  	    },
  	    _append__closure2: function _append__closure2(t0) {
  	      this.span = t0;
  	    },
  	    _append___closure0: function _append___closure0(t0, t1) {
  	      this.parent = t0;
  	      this.span = t1;
  	    },
  	    _extend_closure0: function _extend_closure0() {
  	    },
  	    _replace_closure0: function _replace_closure0() {
  	    },
  	    _unify_closure0: function _unify_closure0() {
  	    },
  	    _isSuperselector_closure0: function _isSuperselector_closure0() {
  	    },
  	    _simpleSelectors_closure0: function _simpleSelectors_closure0() {
  	    },
  	    _simpleSelectors__closure0: function _simpleSelectors__closure0() {
  	    },
  	    _parse_closure0: function _parse_closure0() {
  	    },
  	    SelectorParser0: function SelectorParser0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._selector$_allowParent = t0;
  	      _._selector$_plainCss = t1;
  	      _.scanner = t2;
  	      _._parser1$_interpolationMap = t3;
  	    },
  	    SelectorParser_parse_closure0: function SelectorParser_parse_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorParser_parseCompoundSelector_closure0: function SelectorParser_parseCompoundSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorSearchVisitor0: function SelectorSearchVisitor0() {
  	    },
  	    SelectorSearchVisitor_visitComplexSelector_closure0: function SelectorSearchVisitor_visitComplexSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SelectorSearchVisitor_visitCompoundSelector_closure0: function SelectorSearchVisitor_visitCompoundSelector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    serialize0(node, charset, indentWidth, inspect, lineFeed, logger, sourceMap, style, useSpaces) {
  	      var t1, css, t2, prefix,
  	        visitor = A._SerializeVisitor$0(indentWidth == null ? 2 : indentWidth, inspect, lineFeed, logger, true, sourceMap, style, useSpaces);
  	      node.accept$1(visitor);
  	      t1 = visitor._serialize0$_buffer;
  	      css = t1.toString$0(0);
  	      if (charset) {
  	        t2 = new A.CodeUnits(css);
  	        t2 = t2.any$1(t2, new A.serialize_closure0());
  	      } else
  	        t2 = false;
  	      if (t2)
  	        prefix = style === B.OutputStyle_10 ? "\ufeff" : '@charset "UTF-8";\n';
  	      else
  	        prefix = "";
  	      t1 = sourceMap ? t1.buildSourceMap$1$prefix(prefix) : null;
  	      return new A._Record_2_sourceMap(prefix + css, t1);
  	    },
  	    serializeValue0(value, inspect, quote) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$0(_null, inspect, _null, _null, quote, false, _null, true);
  	      value.accept$1(visitor);
  	      return visitor._serialize0$_buffer.toString$0(0);
  	    },
  	    serializeSelector0(selector, inspect) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	      selector.accept$1(visitor);
  	      return visitor._serialize0$_buffer.toString$0(0);
  	    },
  	    _SerializeVisitor$0(indentWidth, inspect, lineFeed, logger, quote, sourceMap, style, useSpaces) {
  	      var t1 = sourceMap ? new A.SourceMapBuffer0(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Entry)) : new A.NoSourceMapBuffer0(new A.StringBuffer("")),
  	        t2 = style == null ? B.OutputStyle_00 : style,
  	        t3 = useSpaces ? 32 : 9,
  	        t4 = indentWidth == null ? 2 : indentWidth,
  	        t5 = lineFeed == null ? B.LineFeed_oJz : lineFeed;
  	      A.RangeError_checkValueInInterval(t4, 0, 10, "indentWidth");
  	      return new A._SerializeVisitor0(t1, t2, inspect, quote, t3, t4, t5);
  	    },
  	    serialize_closure0: function serialize_closure0() {
  	    },
  	    _SerializeVisitor0: function _SerializeVisitor0(t0, t1, t2, t3, t4, t5, t6) {
  	      var _ = this;
  	      _._serialize0$_buffer = t0;
  	      _._serialize0$_indentation = 0;
  	      _._serialize0$_style = t1;
  	      _._serialize0$_inspect = t2;
  	      _._serialize0$_quote = t3;
  	      _._serialize0$_indentCharacter = t4;
  	      _._serialize0$_indentWidth = t5;
  	      _._lineFeed = t6;
  	    },
  	    _SerializeVisitor_visitCssComment_closure0: function _SerializeVisitor_visitCssComment_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssAtRule_closure0: function _SerializeVisitor_visitCssAtRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssMediaRule_closure0: function _SerializeVisitor_visitCssMediaRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssImport_closure0: function _SerializeVisitor_visitCssImport_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssImport__closure0: function _SerializeVisitor_visitCssImport__closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssKeyframeBlock_closure0: function _SerializeVisitor_visitCssKeyframeBlock_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssStyleRule_closure0: function _SerializeVisitor_visitCssStyleRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssSupportsRule_closure0: function _SerializeVisitor_visitCssSupportsRule_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssDeclaration_closure1: function _SerializeVisitor_visitCssDeclaration_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitCssDeclaration_closure2: function _SerializeVisitor_visitCssDeclaration_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.node = t1;
  	    },
  	    _SerializeVisitor_visitList_closure2: function _SerializeVisitor_visitList_closure2() {
  	    },
  	    _SerializeVisitor_visitList_closure3: function _SerializeVisitor_visitList_closure3(t0, t1) {
  	      this.$this = t0;
  	      this.value = t1;
  	    },
  	    _SerializeVisitor_visitList_closure4: function _SerializeVisitor_visitList_closure4(t0) {
  	      this.$this = t0;
  	    },
  	    _SerializeVisitor_visitMap_closure0: function _SerializeVisitor_visitMap_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    _SerializeVisitor_visitSelectorList_closure0: function _SerializeVisitor_visitSelectorList_closure0() {
  	    },
  	    _SerializeVisitor__write_closure0: function _SerializeVisitor__write_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.value = t1;
  	    },
  	    _SerializeVisitor__visitChildren_closure1: function _SerializeVisitor__visitChildren_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.child = t1;
  	    },
  	    _SerializeVisitor__visitChildren_closure2: function _SerializeVisitor__visitChildren_closure2(t0, t1) {
  	      this.$this = t0;
  	      this.child = t1;
  	    },
  	    OutputStyle0: function OutputStyle0(t0, t1) {
  	      this.index = t0;
  	      this._name = t1;
  	    },
  	    LineFeed0: function LineFeed0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _.text = t1;
  	      _.index = t2;
  	      _._name = t3;
  	    },
  	    JSSet: function JSSet() {
  	    },
  	    ShadowedModuleView_ifNecessary0(inner, functions, mixins, variables, $T) {
  	      return A.ShadowedModuleView__needsBlocklist0(inner.get$variables(), variables) || A.ShadowedModuleView__needsBlocklist0(inner.get$functions(inner), functions) || A.ShadowedModuleView__needsBlocklist0(inner.get$mixins(), mixins) ? new A.ShadowedModuleView0(inner, A.ShadowedModuleView__shadowedMap0(inner.get$variables(), variables, type$.Value_2), A.ShadowedModuleView__shadowedMap0(inner.get$variableNodes(), variables, type$.AstNode_2), A.ShadowedModuleView__shadowedMap0(inner.get$functions(inner), functions, $T), A.ShadowedModuleView__shadowedMap0(inner.get$mixins(), mixins, $T), $T._eval$1("ShadowedModuleView0<0>")) : null;
  	    },
  	    ShadowedModuleView__shadowedMap0(map, blocklist, $V) {
  	      var t1 = A.ShadowedModuleView__needsBlocklist0(map, blocklist);
  	      return !t1 ? map : A.LimitedMapView$blocklist0(map, blocklist, type$.String, $V);
  	    },
  	    ShadowedModuleView__needsBlocklist0(map, blocklist) {
  	      return map.get$isNotEmpty(map) && blocklist.any$1(0, map.get$containsKey());
  	    },
  	    ShadowedModuleView0: function ShadowedModuleView0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._shadowed_view0$_inner = t0;
  	      _.variables = t1;
  	      _.variableNodes = t2;
  	      _.functions = t3;
  	      _.mixins = t4;
  	      _.$ti = t5;
  	    },
  	    SilentComment0: function SilentComment0(t0, t1) {
  	      this.text = t0;
  	      this.span = t1;
  	    },
  	    InterpolatedSimpleSelector: function InterpolatedSimpleSelector() {
  	    },
  	    SimpleSelector0: function SimpleSelector0() {
  	    },
  	    SimpleSelector_isSuperselector_closure0: function SimpleSelector_isSuperselector_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SimpleSelector_isSuperselector__closure0: function SimpleSelector_isSuperselector__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    JSSimpleSelectorVisitor: function JSSimpleSelectorVisitor(t0) {
  	      this._simple_selector$_inner = t0;
  	    },
  	    JSSimpleSelectorVisitorObject: function JSSimpleSelectorVisitorObject() {
  	    },
  	    SingleUnitSassNumber0: function SingleUnitSassNumber0(t0, t1, t2) {
  	      var _ = this;
  	      _._single_unit$_unit = t0;
  	      _._number1$_value = t1;
  	      _.hashCache = null;
  	      _.asSlash = t2;
  	    },
  	    SingleUnitSassNumber__coerceToUnit_closure0: function SingleUnitSassNumber__coerceToUnit_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.unit = t1;
  	    },
  	    SingleUnitSassNumber__coerceValueToUnit_closure0: function SingleUnitSassNumber__coerceValueToUnit_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    SingleUnitSassNumber_multiplyUnits_closure1: function SingleUnitSassNumber_multiplyUnits_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    SingleUnitSassNumber_multiplyUnits_closure2: function SingleUnitSassNumber_multiplyUnits_closure2(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    SourceInterpolationVisitor: function SourceInterpolationVisitor(t0) {
  	      this.buffer = t0;
  	    },
  	    SourceInterpolationVisitor__visitArguments_closure: function SourceInterpolationVisitor__visitArguments_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SourceInterpolationVisitor_visitIfConditionOperation_closure: function SourceInterpolationVisitor_visitIfConditionOperation_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SourceInterpolationVisitor_visitListExpression_closure: function SourceInterpolationVisitor_visitListExpression_closure(t0) {
  	      this.$this = t0;
  	    },
  	    SourceMapBuffer0: function SourceMapBuffer0(t0, t1) {
  	      var _ = this;
  	      _._source_map_buffer0$_buffer = t0;
  	      _._source_map_buffer0$_entries = t1;
  	      _._source_map_buffer0$_column = _._source_map_buffer0$_line = 0;
  	      _._source_map_buffer0$_inSpan = false;
  	    },
  	    SourceMapBuffer_buildSourceMap_closure0: function SourceMapBuffer_buildSourceMap_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.prefixLength = t1;
  	    },
  	    updateSourceSpanPrototype() {
  	      var t3, t4, _i, t5,
  	        span = A.SourceFile$fromString("", null).span$1(0, 0),
  	        t1 = type$.SourceSpan,
  	        t2 = type$.String;
  	      for (t1 = [span, new A.MultiSpan0(span, "", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_empty(t1, t2), t1, t2)), new A.LazyFileSpan0(new A.updateSourceSpanPrototype_closure(span))], t3 = type$.JSClass, t4 = type$.Function, _i = 0; _i < 3; ++_i) {
  	        t5 = t3._as(t1[_i].constructor);
  	        A.LinkedHashMap_LinkedHashMap$_literal(["start", new A.updateSourceSpanPrototype_closure0(), "end", new A.updateSourceSpanPrototype_closure1(), "url", new A.updateSourceSpanPrototype_closure2(), "text", new A.updateSourceSpanPrototype_closure3(), "context", new A.updateSourceSpanPrototype_closure4()], t2, t4).forEach$1(0, A.JSClassExtension_get_defineGetter(t5));
  	      }
  	      t1 = t3._as(A.FileLocation$_(span.file, span._file$_start).constructor);
  	      A.LinkedHashMap_LinkedHashMap$_literal(["line", new A.updateSourceSpanPrototype_closure5(), "column", new A.updateSourceSpanPrototype_closure6()], t2, t4).forEach$1(0, A.JSClassExtension_get_defineGetter(t1));
  	    },
  	    updateSourceSpanPrototype_closure: function updateSourceSpanPrototype_closure(t0) {
  	      this.span = t0;
  	    },
  	    updateSourceSpanPrototype_closure0: function updateSourceSpanPrototype_closure0() {
  	    },
  	    updateSourceSpanPrototype_closure1: function updateSourceSpanPrototype_closure1() {
  	    },
  	    updateSourceSpanPrototype_closure2: function updateSourceSpanPrototype_closure2() {
  	    },
  	    updateSourceSpanPrototype__closure: function updateSourceSpanPrototype__closure() {
  	    },
  	    updateSourceSpanPrototype_closure3: function updateSourceSpanPrototype_closure3() {
  	    },
  	    updateSourceSpanPrototype_closure4: function updateSourceSpanPrototype_closure4() {
  	    },
  	    updateSourceSpanPrototype_closure5: function updateSourceSpanPrototype_closure5() {
  	    },
  	    updateSourceSpanPrototype_closure6: function updateSourceSpanPrototype_closure6() {
  	    },
  	    ColorSpace_fromName0($name, argumentName) {
  	      var t1,
  	        _0_0 = $name.toLowerCase();
  	      $label0$0: {
  	        if ("rgb" === _0_0) {
  	          t1 = B.RgbColorSpace_i0P0;
  	          break $label0$0;
  	        }
  	        if ("hwb" === _0_0) {
  	          t1 = B.HwbColorSpace_guQ0;
  	          break $label0$0;
  	        }
  	        if ("hsl" === _0_0) {
  	          t1 = B.HslColorSpace_JQ20;
  	          break $label0$0;
  	        }
  	        if ("srgb" === _0_0) {
  	          t1 = B.SrgbColorSpace_thf0;
  	          break $label0$0;
  	        }
  	        if ("srgb-linear" === _0_0) {
  	          t1 = B.SrgbLinearColorSpace_kUj0;
  	          break $label0$0;
  	        }
  	        if ("display-p3" === _0_0) {
  	          t1 = B.DisplayP3ColorSpace_MmT0;
  	          break $label0$0;
  	        }
  	        if ("display-p3-linear" === _0_0) {
  	          t1 = B.DisplayP3LinearColorSpace_PrP0;
  	          break $label0$0;
  	        }
  	        if ("a98-rgb" === _0_0) {
  	          t1 = B.A98RgbColorSpace_lf20;
  	          break $label0$0;
  	        }
  	        if ("prophoto-rgb" === _0_0) {
  	          t1 = B.ProphotoRgbColorSpace_BDz0;
  	          break $label0$0;
  	        }
  	        if ("rec2020" === _0_0) {
  	          t1 = B.Rec2020ColorSpace_6oo0;
  	          break $label0$0;
  	        }
  	        if ("xyz" === _0_0 || "xyz-d65" === _0_0) {
  	          t1 = B.XyzD65ColorSpace_WiJ0;
  	          break $label0$0;
  	        }
  	        if ("xyz-d50" === _0_0) {
  	          t1 = B.XyzD50ColorSpace_2OB0;
  	          break $label0$0;
  	        }
  	        if ("lab" === _0_0) {
  	          t1 = B.LabColorSpace_2nT0;
  	          break $label0$0;
  	        }
  	        if ("lch" === _0_0) {
  	          t1 = B.LchColorSpace_Bpv0;
  	          break $label0$0;
  	        }
  	        if ("oklab" === _0_0) {
  	          t1 = B.OklabColorSpace_5400;
  	          break $label0$0;
  	        }
  	        if ("oklch" === _0_0) {
  	          t1 = B.OklchColorSpace_9Gj0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$0('Unknown color space "' + $name + '".', argumentName));
  	      }
  	      return t1;
  	    },
  	    ColorSpace0: function ColorSpace0() {
  	    },
  	    SrgbColorSpace0: function SrgbColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    SrgbLinearColorSpace0: function SrgbLinearColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    Statement0: function Statement0() {
  	    },
  	    JSStatementVisitor: function JSStatementVisitor(t0) {
  	      this._statement$_inner = t0;
  	    },
  	    JSStatementVisitorObject: function JSStatementVisitorObject() {
  	    },
  	    StatementSearchVisitor0: function StatementSearchVisitor0() {
  	    },
  	    StatementSearchVisitor_visitIfRule_closure1: function StatementSearchVisitor_visitIfRule_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule__closure2: function StatementSearchVisitor_visitIfRule__closure2(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule_closure2: function StatementSearchVisitor_visitIfRule_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitIfRule__closure1: function StatementSearchVisitor_visitIfRule__closure1(t0) {
  	      this.$this = t0;
  	    },
  	    StatementSearchVisitor_visitChildren_closure0: function StatementSearchVisitor_visitChildren_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StaticImport0: function StaticImport0(t0, t1, t2) {
  	      this.url = t0;
  	      this.modifiers = t1;
  	      this.span = t2;
  	    },
  	    StderrLogger0: function StderrLogger0(t0) {
  	      this.color = t0;
  	    },
  	    StringExpression_quoteText0(text) {
  	      var quote = A.StringExpression__bestQuote0(A._setArrayType([text], type$.JSArray_String)),
  	        buffer = new A.StringBuffer(""),
  	        t1 = A.Primitives_stringFromCharCode(quote);
  	      buffer._contents = t1;
  	      A.StringExpression__quoteInnerText0(text, quote, buffer, true);
  	      t1 = buffer._contents += t1;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    StringExpression__quoteInnerText0(text, quote, buffer, $static) {
  	      var t1, t2, i, _1_0, _0_0, t3, t4, t5, t0;
  	      for (t1 = text.length, t2 = t1 - 1, i = 0; i < t1; ++i) {
  	        _1_0 = text.charCodeAt(i);
  	        if (_1_0 === 10 || _1_0 === 13 || _1_0 === 12) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(97);
  	          if (i !== t2) {
  	            _0_0 = text.charCodeAt(i + 1);
  	            t3 = true;
  	            if (!(_0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12))
  	              if (!(_0_0 >= 48 && _0_0 <= 57))
  	                if (!(_0_0 >= 97 && _0_0 <= 102))
  	                  t3 = _0_0 >= 65 && _0_0 <= 70;
  	            if (t3)
  	              buffer.writeCharCode$1(32);
  	          }
  	          continue;
  	        }
  	        t3 = 92 === _1_0;
  	        if (t3)
  	          t4 = _1_0;
  	        else
  	          t4 = null;
  	        if (!t3) {
  	          t3 = false;
  	          t5 = _1_0 === quote;
  	          if (t5)
  	            t4 = _1_0;
  	          if (!t5)
  	            if (35 === _1_0)
  	              if ($static)
  	                if (i < t2) {
  	                  t3 = text.charCodeAt(i + 1) === 123;
  	                  if (t3)
  	                    t4 = _1_0;
  	                  t0 = t4;
  	                  t4 = t3;
  	                  t3 = t0;
  	                } else {
  	                  t0 = t4;
  	                  t4 = t3;
  	                  t3 = t0;
  	                }
  	              else {
  	                t0 = t4;
  	                t4 = t3;
  	                t3 = t0;
  	              }
  	            else {
  	              t0 = t4;
  	              t4 = t3;
  	              t3 = t0;
  	            }
  	          else {
  	            t3 = t4;
  	            t4 = true;
  	          }
  	        } else {
  	          t3 = t4;
  	          t4 = true;
  	        }
  	        if (t4) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(t3);
  	          continue;
  	        }
  	        buffer.writeCharCode$1(_1_0);
  	      }
  	    },
  	    StringExpression__bestQuote0(strings) {
  	      var t1, t2, t3, containsDoubleQuote, t4, t5;
  	      for (t1 = J.get$iterator$ax(strings), t2 = type$.CodeUnits, t3 = t2._eval$1("ListIterator<ListBase.E>"), t2 = t2._eval$1("ListBase.E"), containsDoubleQuote = false; t1.moveNext$0();)
  	        for (t4 = new A.CodeUnits(t1.get$current(t1)), t4 = new A.ListIterator(t4, t4.get$length(0), t3); t4.moveNext$0();) {
  	          t5 = t4.__internal$_current;
  	          if (t5 == null)
  	            t5 = t2._as(t5);
  	          if (t5 === 39)
  	            return 34;
  	          if (t5 === 34)
  	            containsDoubleQuote = true;
  	        }
  	      return containsDoubleQuote ? 39 : 34;
  	    },
  	    StringExpression0: function StringExpression0(t0, t1) {
  	      this.text = t0;
  	      this.hasQuotes = t1;
  	    },
  	    _codepointForIndex0(index, lengthInCodepoints, allowNegative) {
  	      var result;
  	      if (index === 0)
  	        return 0;
  	      if (index > 0)
  	        return Math.min(index - 1, lengthInCodepoints);
  	      result = lengthInCodepoints + index;
  	      if (result < 0 && !allowNegative)
  	        return 0;
  	      return result;
  	    },
  	    _function7($name, $arguments, callback) {
  	      return A.BuiltInCallable$function0($name, $arguments, callback, "sass:string");
  	    },
  	    module_closure25: function module_closure25() {
  	    },
  	    module__closure3: function module__closure3(t0) {
  	      this.string = t0;
  	    },
  	    module__closure4: function module__closure4(t0) {
  	      this.string = t0;
  	    },
  	    _unquote_closure0: function _unquote_closure0() {
  	    },
  	    _quote_closure0: function _quote_closure0() {
  	    },
  	    _length_closure1: function _length_closure1() {
  	    },
  	    _insert_closure0: function _insert_closure0() {
  	    },
  	    _index_closure1: function _index_closure1() {
  	    },
  	    _slice_closure0: function _slice_closure0() {
  	    },
  	    _toUpperCase_closure0: function _toUpperCase_closure0() {
  	    },
  	    _toLowerCase_closure0: function _toLowerCase_closure0() {
  	    },
  	    _uniqueId_closure0: function _uniqueId_closure0() {
  	    },
  	    StringExtension_toCssIdentifier(_this) {
  	      var t1, doubleDash, _2_0, character, _3_0,
  	        _s52_ = "The U+0000 can't be represented as a CSS identifier.",
  	        _s65_ = "An individual surrogate can't be represented as a CSS identifier.",
  	        buffer = new A.StringBuffer(""),
  	        scanner = A.SpanScanner$(_this, null),
  	        writeEscape = new A.StringExtension_toCssIdentifier_writeEscape(buffer, scanner),
  	        consumeSurrogatePair = new A.StringExtension_toCssIdentifier_consumeSurrogatePair(scanner, writeEscape, buffer);
  	      if (scanner.scanChar$1(45)) {
  	        if (scanner._string_scanner$_position === scanner.string.length)
  	          return "\\2d";
  	        t1 = A.Primitives_stringFromCharCode(45);
  	        buffer._contents += t1;
  	        doubleDash = scanner.scanChar$1(45);
  	        if (doubleDash)
  	          buffer._contents += t1;
  	      } else
  	        doubleDash = false;
  	      if (!doubleDash)
  	        $label0$0: {
  	          _2_0 = scanner.peekChar$0();
  	          if (_2_0 == null)
  	            scanner.error$1(0, "The empty string can't be represented as a CSS identifier.");
  	          if (0 === _2_0)
  	            scanner.error$1(0, _s52_);
  	          t1 = _2_0 >>> 10 === 54;
  	          character = _2_0;
  	          if (t1) {
  	            consumeSurrogatePair.call$1(character);
  	            break $label0$0;
  	          }
  	          if (_2_0 >>> 10 === 55)
  	            scanner.error$2$length(0, _s65_, 1);
  	          if (_2_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_2_0) || _2_0 >= 128)
  	            t1 = !(_2_0 >= 57344 && _2_0 <= 63743);
  	          else
  	            t1 = false;
  	          if (t1) {
  	            t1 = A.Primitives_stringFromCharCode(scanner.readChar$0());
  	            buffer._contents += t1;
  	            break $label0$0;
  	          }
  	          writeEscape.call$1(scanner.readChar$0());
  	        }
  	      for (;;) {
  	        _3_0 = scanner.peekChar$0();
  	        if (_3_0 == null)
  	          break;
  	        if (0 === _3_0)
  	          scanner.error$1(0, _s52_);
  	        t1 = _3_0 >>> 10 === 54;
  	        if (t1) {
  	          consumeSurrogatePair.call$1(_3_0);
  	          continue;
  	        }
  	        if (_3_0 >>> 10 === 55)
  	          scanner.error$2$length(0, _s65_, 1);
  	        if (_3_0 !== 95) {
  	          if (!(_3_0 >= 97 && _3_0 <= 122))
  	            t1 = _3_0 >= 65 && _3_0 <= 90;
  	          else
  	            t1 = true;
  	          t1 = t1 || _3_0 >= 128;
  	        } else
  	          t1 = true;
  	        if (!t1)
  	          t1 = _3_0 >= 48 && _3_0 <= 57 || _3_0 === 45;
  	        else
  	          t1 = true;
  	        if (t1)
  	          t1 = !(_3_0 >= 57344 && _3_0 <= 63743);
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = A.Primitives_stringFromCharCode(scanner.readChar$0());
  	          buffer._contents += t1;
  	          continue;
  	        }
  	        writeEscape.call$1(scanner.readChar$0());
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    StringExtension_toCssIdentifier_writeEscape: function StringExtension_toCssIdentifier_writeEscape(t0, t1) {
  	      this.buffer = t0;
  	      this.scanner = t1;
  	    },
  	    StringExtension_toCssIdentifier_consumeSurrogatePair: function StringExtension_toCssIdentifier_consumeSurrogatePair(t0, t1, t2) {
  	      this.scanner = t0;
  	      this.writeEscape = t1;
  	      this.buffer = t2;
  	    },
  	    stringClass_closure: function stringClass_closure() {
  	    },
  	    stringClass__closure: function stringClass__closure() {
  	    },
  	    stringClass__closure0: function stringClass__closure0() {
  	    },
  	    stringClass__closure1: function stringClass__closure1() {
  	    },
  	    stringClass__closure2: function stringClass__closure2() {
  	    },
  	    stringClass__closure3: function stringClass__closure3() {
  	    },
  	    _ConstructorOptions1: function _ConstructorOptions1() {
  	    },
  	    _NodeSassString: function _NodeSassString() {
  	    },
  	    legacyStringClass_closure: function legacyStringClass_closure() {
  	    },
  	    legacyStringClass_closure0: function legacyStringClass_closure0() {
  	    },
  	    legacyStringClass_closure1: function legacyStringClass_closure1() {
  	    },
  	    SassString$0(_text, quotes) {
  	      return new A.SassString0(_text, quotes);
  	    },
  	    SassString0: function SassString0(t0, t1) {
  	      var _ = this;
  	      _._string0$_text = t0;
  	      _._string0$_hasQuotes = t1;
  	      _._string0$__SassString__sassLength_FI = $;
  	      _._string0$_hashCache = null;
  	    },
  	    ModifiableCssStyleRule$0(_selector, span, fromPlainCss, originalSelector) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      return new A.ModifiableCssStyleRule0(_selector, originalSelector, span, fromPlainCss, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode_2), t1);
  	    },
  	    ModifiableCssStyleRule0: function ModifiableCssStyleRule0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._style_rule0$_selector = t0;
  	      _.originalSelector = t1;
  	      _.span = t2;
  	      _.fromPlainCss = t3;
  	      _.children = t4;
  	      _._node$_children = t5;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    StyleRule$0(selector, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.StyleRule0(selector, null, span, t1, t2);
  	    },
  	    StyleRule$withParsedSelector(parsedSelector, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.StyleRule0(null, parsedSelector, span, t1, t2);
  	    },
  	    StyleRule0: function StyleRule0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.selector = t0;
  	      _.parsedSelector = t1;
  	      _.span = t2;
  	      _.children = t3;
  	      _.hasDeclarations = t4;
  	    },
  	    CssStylesheet0: function CssStylesheet0(t0, t1) {
  	      this.children = t0;
  	      this.span = t1;
  	    },
  	    ModifiableCssStylesheet$0(span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      return new A.ModifiableCssStylesheet0(span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode_2), t1);
  	    },
  	    ModifiableCssStylesheet0: function ModifiableCssStylesheet0(t0, t1, t2) {
  	      var _ = this;
  	      _.span = t0;
  	      _.children = t1;
  	      _._node$_children = t2;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    StylesheetParser0: function StylesheetParser0() {
  	    },
  	    StylesheetParser_parse_closure0: function StylesheetParser_parse_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parse__closure0: function StylesheetParser_parse__closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_parseParameterList_closure0: function StylesheetParser_parseParameterList_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__parseSingleProduction_closure0: function StylesheetParser__parseSingleProduction_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.production = t1;
  	      this.T = t2;
  	    },
  	    StylesheetParser_parseSignature_closure: function StylesheetParser_parseSignature_closure(t0, t1) {
  	      this.$this = t0;
  	      this.requireParens = t1;
  	    },
  	    StylesheetParser__statement_closure0: function StylesheetParser__statement_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_variableDeclarationWithoutNamespace_closure1: function StylesheetParser_variableDeclarationWithoutNamespace_closure1(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    StylesheetParser_variableDeclarationWithoutNamespace_closure2: function StylesheetParser_variableDeclarationWithoutNamespace_closure2(t0) {
  	      this.declaration = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure3: function StylesheetParser__declarationOrBuffer_closure3(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure4: function StylesheetParser__declarationOrBuffer_closure4(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__declarationOrBuffer_closure5: function StylesheetParser__declarationOrBuffer_closure5() {
  	    },
  	    StylesheetParser__declarationOrBuffer_closure6: function StylesheetParser__declarationOrBuffer_closure6(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__styleRule_closure0: function StylesheetParser__styleRule_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.selector = t1;
  	      this.start = t2;
  	    },
  	    StylesheetParser__styleRule_closure1: function StylesheetParser__styleRule_closure1(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.start = t2;
  	    },
  	    StylesheetParser__withStyleRuleChildren_closure0: function StylesheetParser__withStyleRuleChildren_closure0(t0, t1, t2, t3, t4) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.nodeWithSpan = t1;
  	      _.wasInStyleRule = t2;
  	      _.create = t3;
  	      _.T = t4;
  	    },
  	    StylesheetParser__propertyOrVariableDeclaration_closure0: function StylesheetParser__propertyOrVariableDeclaration_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__tryDeclarationChildren_closure0: function StylesheetParser__tryDeclarationChildren_closure0(t0, t1) {
  	      this.name = t0;
  	      this.value = t1;
  	    },
  	    StylesheetParser__atRootRule_closure1: function StylesheetParser__atRootRule_closure1(t0) {
  	      this.query = t0;
  	    },
  	    StylesheetParser__atRootRule_closure2: function StylesheetParser__atRootRule_closure2() {
  	    },
  	    StylesheetParser__eachRule_closure0: function StylesheetParser__eachRule_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.wasInControlDirective = t1;
  	      _.variables = t2;
  	      _.list = t3;
  	    },
  	    StylesheetParser__functionRule_closure0: function StylesheetParser__functionRule_closure0(t0, t1, t2) {
  	      this.name = t0;
  	      this.parameters = t1;
  	      this.precedingComment = t2;
  	    },
  	    StylesheetParser__forRule_closure1: function StylesheetParser__forRule_closure1(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    StylesheetParser__forRule_closure2: function StylesheetParser__forRule_closure2(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.wasInControlDirective = t2;
  	      _.variable = t3;
  	      _.from = t4;
  	      _.to = t5;
  	    },
  	    StylesheetParser__memberList_closure0: function StylesheetParser__memberList_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.variables = t1;
  	      this.identifiers = t2;
  	    },
  	    StylesheetParser__includeRule_closure0: function StylesheetParser__includeRule_closure0(t0) {
  	      this.contentParameters_ = t0;
  	    },
  	    StylesheetParser_mediaRule_closure0: function StylesheetParser_mediaRule_closure0(t0) {
  	      this.query = t0;
  	    },
  	    StylesheetParser__mixinRule_closure0: function StylesheetParser__mixinRule_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.$this = t0;
  	      _.name = t1;
  	      _.parameters = t2;
  	      _.precedingComment = t3;
  	    },
  	    StylesheetParser_mozDocumentRule_closure1: function StylesheetParser_mozDocumentRule_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_mozDocumentRule_closure2: function StylesheetParser_mozDocumentRule_closure2(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.name = t2;
  	      _.value = t3;
  	    },
  	    StylesheetParser_supportsRule_closure0: function StylesheetParser_supportsRule_closure0(t0) {
  	      this.condition = t0;
  	    },
  	    StylesheetParser__whileRule_closure0: function StylesheetParser__whileRule_closure0(t0, t1, t2) {
  	      this.$this = t0;
  	      this.wasInControlDirective = t1;
  	      this.condition = t2;
  	    },
  	    StylesheetParser_unknownAtRule_closure0: function StylesheetParser_unknownAtRule_closure0(t0, t1) {
  	      this._box_0 = t0;
  	      this.name = t1;
  	    },
  	    StylesheetParser__expression_resetState0: function StylesheetParser__expression_resetState0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.start = t2;
  	    },
  	    StylesheetParser__expression_resolveOneOperation0: function StylesheetParser__expression_resolveOneOperation0(t0, t1) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	    },
  	    StylesheetParser__expression_resolveOperations0: function StylesheetParser__expression_resolveOperations0(t0, t1) {
  	      this._box_0 = t0;
  	      this.resolveOneOperation = t1;
  	    },
  	    StylesheetParser__expression_addSingleExpression0: function StylesheetParser__expression_addSingleExpression0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.resetState = t2;
  	      _.resolveOperations = t3;
  	    },
  	    StylesheetParser__expression_addOperator0: function StylesheetParser__expression_addOperator0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _._box_0 = t0;
  	      _.$this = t1;
  	      _.resolveOneOperation = t2;
  	      _.addSingleExpression = t3;
  	    },
  	    StylesheetParser__expression_resolveSpaceExpressions0: function StylesheetParser__expression_resolveSpaceExpressions0(t0, t1, t2) {
  	      this._box_0 = t0;
  	      this.$this = t1;
  	      this.resolveOperations = t2;
  	    },
  	    StylesheetParser_expressionUntilComma_closure0: function StylesheetParser_expressionUntilComma_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__isHexColor_closure0: function StylesheetParser__isHexColor_closure0() {
  	    },
  	    StylesheetParser__unicodeRange_closure1: function StylesheetParser__unicodeRange_closure1() {
  	    },
  	    StylesheetParser__unicodeRange_closure2: function StylesheetParser__unicodeRange_closure2() {
  	    },
  	    StylesheetParser_interpolatedStringToken_closure0: function StylesheetParser_interpolatedStringToken_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser_namespacedExpression_closure0: function StylesheetParser_namespacedExpression_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    StylesheetParser_trySpecialFunction_closure0: function StylesheetParser_trySpecialFunction_closure0() {
  	    },
  	    StylesheetParser__interpolatedDeclarationValue_closure0: function StylesheetParser__interpolatedDeclarationValue_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__expressionUntilComparison_closure0: function StylesheetParser__expressionUntilComparison_closure0(t0) {
  	      this.$this = t0;
  	    },
  	    StylesheetParser__publicIdentifier_closure0: function StylesheetParser__publicIdentifier_closure0(t0, t1) {
  	      this.$this = t0;
  	      this.start = t1;
  	    },
  	    Stylesheet$internal0(children, span, parseTimeWarnings, globalVariables, plainCss) {
  	      var t1 = A._setArrayType([], type$.JSArray_UseRule_2),
  	        t2 = A._setArrayType([], type$.JSArray_ForwardRule_2),
  	        t3 = A.ConstantMap_ConstantMap$from(globalVariables, type$.String, type$.FileSpan),
  	        t4 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t5 = B.JSArray_methods.any$1(t4, new A.ParentStatement_closure0());
  	      t1 = new A.Stylesheet0(span, plainCss, t1, t2, new A.UnmodifiableListView(parseTimeWarnings, type$.UnmodifiableListView_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2), t3, t4, t5);
  	      t1.Stylesheet$internal$5$globalVariables$plainCss0(children, span, parseTimeWarnings, globalVariables, plainCss);
  	      return t1;
  	    },
  	    Stylesheet_Stylesheet$parse0(contents, syntax, parseSelectors, url) {
  	      var error, stackTrace, url0, t1, t2;
  	      try {
  	        switch (syntax.index) {
  	          case 1:
  	            t1 = new A.SassParser0(parseSelectors, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2), A.SpanScanner$(contents, url), null).parse$0(0);
  	            return t1;
  	          case 0:
  	            t1 = A.ScssParser$0(contents, parseSelectors, url).parse$0(0);
  	            return t1;
  	          case 2:
  	            t1 = new A.CssParser0(parseSelectors, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.FileSpan), A._setArrayType([], type$.JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2), A.SpanScanner$(contents, url), null).parse$0(0);
  	            return t1;
  	        }
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error;
  	          t2 = J.getInterceptor$x(t1);
  	          t1 = A.SourceSpanException.prototype.get$span.call(t2, t1);
  	          url0 = t1.get$sourceUrl(t1);
  	          if (url0 == null || url0.toString$0(0) === "stdin")
  	            throw exception;
  	          t1 = type$.Uri;
  	          throw A.wrapException(A.throwWithTrace0(error.withLoadedUrls$1(A.Set_Set$unmodifiable(A.LinkedHashSet_LinkedHashSet$_literal([url0], t1), t1)), error, stackTrace));
  	        } else
  	          throw exception;
  	      }
  	    },
  	    Stylesheet0: function Stylesheet0(t0, t1, t2, t3, t4, t5, t6, t7) {
  	      var _ = this;
  	      _.span = t0;
  	      _.plainCss = t1;
  	      _._stylesheet1$_uses = t2;
  	      _._stylesheet1$_forwards = t3;
  	      _.parseTimeWarnings = t4;
  	      _.globalVariables = t5;
  	      _.children = t6;
  	      _.hasDeclarations = t7;
  	    },
  	    SupportsExpression0: function SupportsExpression0(t0) {
  	      this.condition = t0;
  	    },
  	    ModifiableCssSupportsRule$0(condition, span) {
  	      var t1 = A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      return new A.ModifiableCssSupportsRule0(condition, span, new A.UnmodifiableListView(t1, type$.UnmodifiableListView_ModifiableCssNode_2), t1);
  	    },
  	    ModifiableCssSupportsRule0: function ModifiableCssSupportsRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _._node$_children = t3;
  	      _._node$_indexInParent = _._node$_parent = null;
  	      _.isGroupEnd = false;
  	    },
  	    SupportsRule$0(condition, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.SupportsRule0(condition, span, t1, t2);
  	    },
  	    SupportsRule0: function SupportsRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    JSToDartImporter: function JSToDartImporter(t0, t1, t2) {
  	      this._sync$_canonicalize = t0;
  	      this._sync$_load = t1;
  	      this._sync$_nonCanonicalSchemes = t2;
  	    },
  	    JSToDartImporter_canonicalize_closure: function JSToDartImporter_canonicalize_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    JSToDartImporter_load_closure: function JSToDartImporter_load_closure(t0, t1) {
  	      this.$this = t0;
  	      this.url = t1;
  	    },
  	    Syntax_forPath0(path) {
  	      var t1,
  	        _0_0 = A.ParsedPath_ParsedPath$parse(path, $.$get$context().style)._splitExtension$1(1)[1];
  	      $label0$0: {
  	        if (".sass" === _0_0) {
  	          t1 = B.Syntax_Sass_1_sass0;
  	          break $label0$0;
  	        }
  	        if (".css" === _0_0) {
  	          t1 = B.Syntax_CSS_2_css0;
  	          break $label0$0;
  	        }
  	        t1 = B.Syntax_SCSS_0_scss0;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    Syntax0: function Syntax0(t0, t1, t2) {
  	      this._syntax0$_name = t0;
  	      this.index = t1;
  	      this._name = t2;
  	    },
  	    InterpolatedTypeSelector: function InterpolatedTypeSelector(t0) {
  	      this.name = t0;
  	    },
  	    TypeSelector0: function TypeSelector0(t0, t1) {
  	      this.name = t0;
  	      this.span = t1;
  	    },
  	    Types: function Types() {
  	    },
  	    UnaryOperationExpression0: function UnaryOperationExpression0(t0, t1, t2) {
  	      this.operator = t0;
  	      this.operand = t1;
  	      this.span = t2;
  	    },
  	    UnaryOperator0: function UnaryOperator0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.name = t0;
  	      _.operator = t1;
  	      _.index = t2;
  	      _._name = t3;
  	    },
  	    UnitlessSassNumber0: function UnitlessSassNumber0(t0, t1) {
  	      this._number1$_value = t0;
  	      this.hashCache = null;
  	      this.asSlash = t1;
  	    },
  	    InterpolatedUniversalSelector: function InterpolatedUniversalSelector(t0, t1) {
  	      this.namespace = t0;
  	      this.span = t1;
  	    },
  	    UniversalSelector0: function UniversalSelector0(t0, t1) {
  	      this.namespace = t0;
  	      this.span = t1;
  	    },
  	    UnprefixedMapView0: function UnprefixedMapView0(t0, t1, t2) {
  	      this._unprefixed_map_view0$_map = t0;
  	      this._unprefixed_map_view0$_prefix = t1;
  	      this.$ti = t2;
  	    },
  	    _UnprefixedKeys0: function _UnprefixedKeys0(t0) {
  	      this._unprefixed_map_view0$_view = t0;
  	    },
  	    _UnprefixedKeys_iterator_closure1: function _UnprefixedKeys_iterator_closure1(t0) {
  	      this.$this = t0;
  	    },
  	    _UnprefixedKeys_iterator_closure2: function _UnprefixedKeys_iterator_closure2(t0) {
  	      this.$this = t0;
  	    },
  	    JSUrl0: function JSUrl0() {
  	    },
  	    UseRule0: function UseRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.url = t0;
  	      _.namespace = t1;
  	      _.configuration = t2;
  	      _.span = t3;
  	    },
  	    UserDefinedCallable0: function UserDefinedCallable0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.declaration = t0;
  	      _.environment = t1;
  	      _.inDependency = t2;
  	      _.$ti = t3;
  	    },
  	    fromImport0() {
  	      var t1 = type$.nullable_CanonicalizeContext_2._as($.Zone__current.$index(0, B.Symbol__canonicalizeContext));
  	      t1 = t1 == null ? null : t1._canonicalize_context$_fromImport;
  	      return t1 === true;
  	    },
  	    canonicalizeContext0() {
  	      var t1,
  	        _0_0 = $.Zone__current.$index(0, B.Symbol__canonicalizeContext);
  	      $label0$0: {
  	        if (_0_0 == null)
  	          A.throwExpression(A.StateError$(string$.canoni));
  	        if (_0_0 instanceof A.CanonicalizeContext0) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.StateError$(string$.Unexpe + A.S(_0_0) + "."));
  	      }
  	      return t1;
  	    },
  	    inImportRule(callback, $T) {
  	      var t1,
  	        _0_0 = $.Zone__current.$index(0, B.Symbol__canonicalizeContext);
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = type$.nullable_Object;
  	          t1 = A.runZoned(callback, A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__canonicalizeContext, new A.CanonicalizeContext0(true, null)], t1, t1), $T);
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.CanonicalizeContext0) {
  	          t1 = _0_0.withFromImport$2(true, callback);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.StateError$(string$.Unexpe + A.S(_0_0) + "."));
  	      }
  	      return t1;
  	    },
  	    resolveImportPath0(path) {
  	      var t1,
  	        extension = A.ParsedPath_ParsedPath$parse(path, $.$get$context().style)._splitExtension$1(1)[1];
  	      if (extension === ".sass" || extension === ".scss" || extension === ".css") {
  	        t1 = A.fromImport0() ? new A.resolveImportPath_closure1(path, extension).call$0() : null;
  	        return t1 == null ? A._exactlyOne0(A._tryPath0(path)) : t1;
  	      }
  	      t1 = A.fromImport0() ? new A.resolveImportPath_closure2(path).call$0() : null;
  	      if (t1 == null)
  	        t1 = A._exactlyOne0(A._tryPathWithExtensions0(path));
  	      return t1 == null ? A._tryPathAsDirectory0(path) : t1;
  	    },
  	    _tryPathWithExtensions0(path) {
  	      var result = A._tryPath0(path + ".sass");
  	      B.JSArray_methods.addAll$1(result, A._tryPath0(path + ".scss"));
  	      return result.length !== 0 ? result : A._tryPath0(path + ".css");
  	    },
  	    _tryPath0(path) {
  	      var t1 = $.$get$context(),
  	        partial = A.join(t1.dirname$1(path), "_" + A.ParsedPath_ParsedPath$parse(path, t1.style).get$basename(), null);
  	      t1 = A._setArrayType([], type$.JSArray_String);
  	      if (A.fileExists0(partial))
  	        t1.push(partial);
  	      if (A.fileExists0(path))
  	        t1.push(path);
  	      return t1;
  	    },
  	    _tryPathAsDirectory0(path) {
  	      var t1;
  	      if (!A.dirExists0(path))
  	        return null;
  	      t1 = A.fromImport0() ? new A._tryPathAsDirectory_closure0(path).call$0() : null;
  	      return t1 == null ? A._exactlyOne0(A._tryPathWithExtensions0(A.join(path, "index", null))) : t1;
  	    },
  	    _exactlyOne0(paths) {
  	      var _0_1, t1, path;
  	      $label0$0: {
  	        _0_1 = paths.length;
  	        if (_0_1 <= 0) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        if (_0_1 === 1) {
  	          path = paths[0];
  	          t1 = path;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(string$.It_s_n + B.JSArray_methods.map$1$1(paths, new A._exactlyOne_closure0(), type$.String).join$1(0, "\n"));
  	      }
  	      return t1;
  	    },
  	    resolveImportPath_closure1: function resolveImportPath_closure1(t0, t1) {
  	      this.path = t0;
  	      this.extension = t1;
  	    },
  	    resolveImportPath_closure2: function resolveImportPath_closure2(t0) {
  	      this.path = t0;
  	    },
  	    _tryPathAsDirectory_closure0: function _tryPathAsDirectory_closure0(t0) {
  	      this.path = t0;
  	    },
  	    _exactlyOne_closure0: function _exactlyOne_closure0() {
  	    },
  	    jsThrow(error) {
  	      return type$.Never._as($.$get$_jsThrow().call$1(error));
  	    },
  	    attachJsStack(error, trace) {
  	      var traceString = trace.toString$0(0),
  	        firstRealLine = B.JSString_methods.indexOf$1(traceString, "\n    at");
  	      if (firstRealLine !== -1)
  	        traceString = B.JSString_methods.substring$1(traceString, firstRealLine + 1);
  	      error.stack = "Error: " + A.S(J.get$message$x(error)) + "\n" + traceString;
  	    },
  	    jsForEach(object, callback) {
  	      var t1, t2;
  	      for (t1 = J.get$iterator$ax(self.Object.keys(object)); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        callback.call$2(t2, object[t2]);
  	      }
  	    },
  	    jsType(value) {
  	      var typeOf = A._asString(new self.Function("value", "return typeof value").call$1(value));
  	      return typeOf !== "object" ? typeOf : A._asString(new self.Function("value", '    if (value && value.constructor && value.constructor.name) {\n      return value.constructor.name;\n    }\n    return "object";\n  ').call$1(value));
  	    },
  	    defineGetter(object, $name, get, value) {
  	      self.Object.defineProperty(object, $name, get == null ? {value: value, enumerable: false} : {get: A.allowInteropCaptureThis(get), enumerable: false});
  	    },
  	    allowInteropNamed($name, $function) {
  	      $function = A.allowInterop($function);
  	      A.defineGetter($function, "name", null, $name);
  	      A._hideDartProperties($function);
  	      return $function;
  	    },
  	    allowInteropCaptureThisNamed($name, $function) {
  	      $function = A.allowInteropCaptureThis($function);
  	      A.defineGetter($function, "name", null, $name);
  	      A._hideDartProperties($function);
  	      return $function;
  	    },
  	    _hideDartProperties(object) {
  	      var t1, t2, t3, t4;
  	      for (t1 = J.cast$1$0$ax(self.Object.getOwnPropertyNames(object), type$.String), t2 = A._instanceType(t1), t1 = new A.ListIterator(t1, t1.get$length(t1), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        if (B.JSString_methods.startsWith$1(t3, "_")) {
  	          t4 = {value: object[t3], enumerable: false};
  	          self.Object.defineProperty(object, t3, t4);
  	        }
  	      }
  	    },
  	    futureToPromise0(future) {
  	      return new self.Promise(A.allowInterop(new A.futureToPromise_closure0(future)));
  	    },
  	    jsToDartUrl(url) {
  	      return A.Uri_parse(J.toString$0$(url));
  	    },
  	    dartToJSUrl(url) {
  	      return new self.URL(url.toString$0(0));
  	    },
  	    toJSArray(iterable) {
  	      var t1, t2,
  	        array = new self.Array();
  	      for (t1 = J.get$iterator$ax(iterable), t2 = J.getInterceptor$x(array); t1.moveNext$0();)
  	        t2.push$1(array, t1.get$current(t1));
  	      return array;
  	    },
  	    objectToMap(object) {
  	      var map = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.nullable_Object);
  	      A.jsForEach(object, new A.objectToMap_closure(map));
  	      return map;
  	    },
  	    mapToObject(map) {
  	      var t1, t2,
  	        result = new self.Object();
  	      for (t1 = A.MapExtensions_get_pairs0(map, type$.String, type$.nullable_Object), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        result[t2._0] = t2._1;
  	      }
  	      return result;
  	    },
  	    jsToDartSeparator(separator) {
  	      var t1;
  	      $label0$0: {
  	        if (" " === separator) {
  	          t1 = B.ListSeparator_SrV0;
  	          break $label0$0;
  	        }
  	        if ("," === separator) {
  	          t1 = B.ListSeparator_z0K0;
  	          break $label0$0;
  	        }
  	        if ("/" === separator) {
  	          t1 = B.ListSeparator_Lul0;
  	          break $label0$0;
  	        }
  	        if (separator == null) {
  	          t1 = B.ListSeparator_undecided_null_3_undecided0;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow(new self.Error('Unknown separator "' + separator + '".'));
  	      }
  	      return t1;
  	    },
  	    parseSyntax(syntax) {
  	      var t1;
  	      $label0$0: {
  	        if (syntax == null || "scss" === syntax) {
  	          t1 = B.Syntax_SCSS_0_scss0;
  	          break $label0$0;
  	        }
  	        if ("indented" === syntax) {
  	          t1 = B.Syntax_Sass_1_sass0;
  	          break $label0$0;
  	        }
  	        if ("css" === syntax) {
  	          t1 = B.Syntax_CSS_2_css0;
  	          break $label0$0;
  	        }
  	        t1 = A.jsThrow(new self.Error('Unknown syntax "' + syntax + '".'));
  	      }
  	      return t1;
  	    },
  	    entrypointFilename() {
  	      var _1_0, _1_5_isSet, _1_5, t2, path,
  	        t1 = self.require.main,
  	        _0_0 = t1 == null ? null : J.get$filename$x(t1);
  	      if (_0_0 != null)
  	        return _0_0;
  	      else {
  	        _1_0 = J.get$argv$x(self.process);
  	        t1 = J.getInterceptor$asx(_1_0);
  	        _1_5_isSet = t1.get$length(_1_0) >= 2;
  	        if (_1_5_isSet) {
  	          _1_5 = t1.$index(_1_0, 1);
  	          t2 = typeof _1_5 == "string";
  	        } else {
  	          _1_5 = null;
  	          t2 = false;
  	        }
  	        if (t2) {
  	          path = A._asString(_1_5_isSet ? _1_5 : t1.$index(_1_0, 1));
  	          return J.resolve$1$x(J.createRequire$1$x(self.nodeModule, path), path);
  	        } else
  	          return null;
  	      }
  	    },
  	    _PropertyDescriptor0: function _PropertyDescriptor0() {
  	    },
  	    futureToPromise_closure0: function futureToPromise_closure0(t0) {
  	      this.future = t0;
  	    },
  	    futureToPromise__closure0: function futureToPromise__closure0(t0) {
  	      this.resolve = t0;
  	    },
  	    futureToPromise__closure1: function futureToPromise__closure1(t0) {
  	      this.reject = t0;
  	    },
  	    objectToMap_closure: function objectToMap_closure(t0) {
  	      this.map = t0;
  	    },
  	    _RequireMain0: function _RequireMain0() {
  	    },
  	    toSentence0(iter, conjunction) {
  	      if (iter.get$length(iter) === 1)
  	        return J.toString$0$(iter.get$first(iter));
  	      return A.IterableExtension_get_exceptLast0(iter).join$1(0, ", ") + (" " + conjunction + " " + A.S(iter.get$last(iter)));
  	    },
  	    indent0(string, indentation) {
  	      return new A.MappedListIterable(A._setArrayType(string.split("\n"), type$.JSArray_String), new A.indent_closure0(indentation), type$.MappedListIterable_String_String).join$1(0, "\n");
  	    },
  	    pluralize0($name, number, plural) {
  	      if (number === 1)
  	        return $name;
  	      if (plural != null)
  	        return plural;
  	      return $name + "s";
  	    },
  	    trimAscii0(string, excludeEscape) {
  	      var t1,
  	        start = A._firstNonWhitespace0(string);
  	      if (start == null)
  	        t1 = "";
  	      else {
  	        t1 = A._lastNonWhitespace0(string, true);
  	        t1.toString;
  	        t1 = B.JSString_methods.substring$2(string, start, t1 + 1);
  	      }
  	      return t1;
  	    },
  	    trimAsciiRight0(string, excludeEscape) {
  	      var end = A._lastNonWhitespace0(string, excludeEscape);
  	      return end == null ? "" : B.JSString_methods.substring$2(string, 0, end + 1);
  	    },
  	    _firstNonWhitespace0(string) {
  	      var t1, i, t2;
  	      for (t1 = string.length, i = 0; i < t1; ++i) {
  	        t2 = string.charCodeAt(i);
  	        if (!(t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12))
  	          return i;
  	      }
  	      return null;
  	    },
  	    _lastNonWhitespace0(string, excludeEscape) {
  	      var i, i0, codeUnit;
  	      for (i = string.length - 1, i0 = i; i0 >= 0; --i0) {
  	        codeUnit = string.charCodeAt(i0);
  	        if (!(codeUnit === 32 || codeUnit === 9 || codeUnit === 10 || codeUnit === 13 || codeUnit === 12))
  	          if (excludeEscape && i0 !== 0 && i0 !== i && codeUnit === 92)
  	            return i0 + 1;
  	          else
  	            return i0;
  	      }
  	      return null;
  	    },
  	    isPublic0(member) {
  	      var start = member.charCodeAt(0);
  	      return start !== 45 && start !== 95;
  	    },
  	    flattenVertically0(iterable, $T) {
  	      var result,
  	        t1 = iterable.$ti._eval$1("@<ListIterable.E>")._bind$1($T._eval$1("QueueList<0>"))._eval$1("MappedListIterable<1,2>"),
  	        queues = A.List_List$_of(new A.MappedListIterable(iterable, new A.flattenVertically_closure1($T), t1), t1._eval$1("ListIterable.E"));
  	      if (queues.length === 1)
  	        return B.JSArray_methods.get$first(queues);
  	      result = A._setArrayType([], $T._eval$1("JSArray<0>"));
  	      while (queues.length !== 0) {
  	        queues.$flags & 1 && A.throwUnsupportedOperation(queues, 16);
  	        B.JSArray_methods._removeWhere$2(queues, new A.flattenVertically_closure2(result, $T), true);
  	      }
  	      return result;
  	    },
  	    codepointIndexToCodeUnitIndex0(string, codepointIndex) {
  	      var codeUnitIndex, i, codeUnitIndex0;
  	      for (codeUnitIndex = 0, i = 0; i < codepointIndex; ++i) {
  	        codeUnitIndex0 = codeUnitIndex + 1;
  	        codeUnitIndex = string.charCodeAt(codeUnitIndex) >>> 10 === 54 ? codeUnitIndex0 + 1 : codeUnitIndex0;
  	      }
  	      return codeUnitIndex;
  	    },
  	    codeUnitIndexToCodepointIndex0(string, codeUnitIndex) {
  	      var codepointIndex, i;
  	      for (codepointIndex = 0, i = 0; i < codeUnitIndex; i = (string.charCodeAt(i) >>> 10 === 54 ? i + 1 : i) + 1)
  	        ++codepointIndex;
  	      return codepointIndex;
  	    },
  	    frameForSpan0(span, member, url) {
  	      var t2, t3,
  	        t1 = url == null ? span.get$sourceUrl(span) : url;
  	      if (t1 == null)
  	        t1 = $.$get$_noSourceUrl0();
  	      t2 = span.get$start(span);
  	      t2 = t2.file.getLine$1(t2.offset);
  	      t3 = span.get$start(span);
  	      return new A.Frame(t1, t2 + 1, t3.file.getColumn$1(t3.offset) + 1, member);
  	    },
  	    declarationName0(span) {
  	      var text = span.get$text();
  	      return A.trimAsciiRight0(B.JSString_methods.substring$2(text, 0, B.JSString_methods.indexOf$1(text, ":")), false);
  	    },
  	    unvendor0($name) {
  	      var i,
  	        t1 = $name.length;
  	      if (t1 < 2)
  	        return $name;
  	      if ($name.charCodeAt(0) !== 45)
  	        return $name;
  	      if ($name.charCodeAt(1) === 45)
  	        return $name;
  	      for (i = 2; i < t1; ++i)
  	        if ($name.charCodeAt(i) === 45)
  	          return B.JSString_methods.substring$1($name, i + 1);
  	      return $name;
  	    },
  	    equalsIgnoreCase0(string1, string2) {
  	      var t1, i;
  	      if (string1 === string2)
  	        return true;
  	      if (string1 == null)
  	        return false;
  	      t1 = string1.length;
  	      if (t1 !== string2.length)
  	        return false;
  	      for (i = 0; i < t1; ++i)
  	        if (!A.characterEqualsIgnoreCase0(string1.charCodeAt(i), string2.charCodeAt(i)))
  	          return false;
  	      return true;
  	    },
  	    startsWithIgnoreCase0(string, prefix) {
  	      var i,
  	        t1 = prefix.length;
  	      if (string.length < t1)
  	        return false;
  	      for (i = 0; i < t1; ++i)
  	        if (!A.characterEqualsIgnoreCase0(string.charCodeAt(i), prefix.charCodeAt(i)))
  	          return false;
  	      return true;
  	    },
  	    mapInPlace0(list, $function) {
  	      var i;
  	      for (i = 0; i < list.length; ++i)
  	        list[i] = $function.call$1(list[i]);
  	    },
  	    longestCommonSubsequence0(list1, list2, select, $T) {
  	      var t1, _i, selections, i, i0, j, selection, j0,
  	        _length = list1.get$length(0) + 1,
  	        lengths = J.JSArray_JSArray$allocateFixed(_length, type$.List_int);
  	      for (t1 = type$.int, _i = 0; _i < _length; ++_i)
  	        lengths[_i] = A.List_List$filled(((list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0) + 1, 0, false, t1);
  	      _length = list1.get$length(0);
  	      selections = J.JSArray_JSArray$allocateFixed(_length, $T._eval$1("List<0?>"));
  	      for (t1 = $T._eval$1("0?"), _i = 0; _i < _length; ++_i)
  	        selections[_i] = A.List_List$filled((list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0, null, false, t1);
  	      for (i = 0; i < (list1._queue_list$_tail - list1._queue_list$_head & J.get$length$asx(list1._queue_list$_table) - 1) >>> 0; i = i0)
  	        for (i0 = i + 1, j = 0; j < (list2._queue_list$_tail - list2._queue_list$_head & J.get$length$asx(list2._queue_list$_table) - 1) >>> 0; j = j0) {
  	          selection = select.call$2(list1.$index(0, i), list2.$index(0, j));
  	          selections[i][j] = selection;
  	          t1 = lengths[i0];
  	          j0 = j + 1;
  	          t1[j0] = selection == null ? Math.max(t1[j], lengths[i][j0]) : lengths[i][j] + 1;
  	        }
  	      return new A.longestCommonSubsequence_backtrack0(selections, lengths, $T).call$2(list1.get$length(0) - 1, list2.get$length(0) - 1);
  	    },
  	    removeFirstWhere0(list, test, orElse) {
  	      var i;
  	      for (i = 0; i < list.length; ++i) {
  	        if (!test.call$1(list[i]))
  	          continue;
  	        B.JSArray_methods.removeAt$1(list, i);
  	        return;
  	      }
  	      orElse.call$0();
  	    },
  	    mapAddAll20(destination, source, $K1, $K2, $V) {
  	      source.forEach$1(0, new A.mapAddAll2_closure0(destination, $K1, $K2, $V));
  	    },
  	    setAll0(map, keys, value) {
  	      var t1;
  	      for (t1 = keys.get$iterator(keys); t1.moveNext$0();)
  	        map.$indexSet(0, t1.get$current(t1), value);
  	    },
  	    rotateSlice0(list, start, end) {
  	      var i, next,
  	        element = list.$index(0, end - 1);
  	      for (i = start; i < end; ++i, element = next) {
  	        next = list.$index(0, i);
  	        list.$indexSet(0, i, element);
  	      }
  	    },
  	    mapAsync0(iterable, callback, $E, $F) {
  	      return A.mapAsync$body0(iterable, callback, $E, $F, $F._eval$1("Iterable<0>"));
  	    },
  	    mapAsync$body0(iterable, callback, $E, $F, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, t2, _i, t1, $async$temp1;
  	      var $async$mapAsync0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = A._setArrayType([], $F._eval$1("JSArray<0>"));
  	              t2 = iterable.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$temp1 = t1;
  	              $async$goto = 6;
  	              return A._asyncAwait(callback.call$1(iterable[_i]), $async$mapAsync0);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$mapAsync0, $async$completer);
  	    },
  	    putIfAbsentAsync0(map, key, ifAbsent, $K, $V) {
  	      return A.putIfAbsentAsync$body0(map, key, ifAbsent, $K, $V, $V);
  	    },
  	    putIfAbsentAsync$body0(map, key, ifAbsent, $K, $V, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, t1, value;
  	      var $async$putIfAbsentAsync0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (map.containsKey$1(key)) {
  	                t1 = map.$index(0, key);
  	                $async$returnValue = t1 == null ? $V._as(t1) : t1;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait(ifAbsent.call$0(), $async$putIfAbsentAsync0);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              map.$indexSet(0, key, value);
  	              $async$returnValue = value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$putIfAbsentAsync0, $async$completer);
  	    },
  	    copyMapOfMap0(map, $K1, $K2, $V) {
  	      var t3, key, child,
  	        t1 = $K2._eval$1("@<0>")._bind$1($V)._eval$1("Map<1,2>"),
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty($K1, t1);
  	      for (t1 = A.MapExtensions_get_pairs0(map, $K1, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        key = t3._0;
  	        child = t3._1;
  	        t3 = A.LinkedHashMap_LinkedHashMap(null, null, null, $K2, $V);
  	        t3.addAll$1(0, child);
  	        t2.$indexSet(0, key, t3);
  	      }
  	      return t2;
  	    },
  	    copyMapOfList0(map, $K, $E) {
  	      var t3,
  	        t1 = $E._eval$1("List<0>"),
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty($K, t1);
  	      for (t1 = A.MapExtensions_get_pairs0(map, $K, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        t2.$indexSet(0, t3._0, J.toList$0$ax(t3._1));
  	      }
  	      return t2;
  	    },
  	    consumeEscapedCharacter0(scanner) {
  	      var _1_0, value, i, next, t1;
  	      scanner.expectChar$1(92);
  	      _1_0 = scanner.peekChar$0();
  	      if (_1_0 == null)
  	        return 65533;
  	      if (_1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	        scanner.error$1(0, "Expected escape sequence.");
  	      if (A.CharacterExtension_get_isHex0(_1_0)) {
  	        for (value = 0, i = 0; i < 6; ++i) {
  	          next = scanner.peekChar$0();
  	          if (next != null) {
  	            t1 = true;
  	            if (!(next >= 48 && next <= 57))
  	              if (!(next >= 97 && next <= 102))
  	                t1 = next >= 65 && next <= 70;
  	            t1 = !t1;
  	          } else
  	            t1 = true;
  	          if (t1)
  	            break;
  	          value = (value << 4 >>> 0) + A.asHex0(scanner.readChar$0());
  	        }
  	        t1 = scanner.peekChar$0();
  	        if (t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12)
  	          scanner.readChar$0();
  	        $label0$1: {
  	          if (0 !== value)
  	            t1 = value >= 55296 && value <= 57343 || value >= 1114111;
  	          else
  	            t1 = true;
  	          if (t1) {
  	            t1 = 65533;
  	            break $label0$1;
  	          }
  	          t1 = value;
  	          break $label0$1;
  	        }
  	        return t1;
  	      }
  	      return scanner.readChar$0();
  	    },
  	    throwWithTrace0(error, originalError, trace) {
  	      var t1 = A.getTrace0(originalError);
  	      A.attachTrace0(error, t1 == null ? trace : t1);
  	      throw A.wrapException(error);
  	    },
  	    attachTrace0(error, trace) {
  	      var t1;
  	      if (typeof error == "string" || typeof error == "number" || A._isBool(error))
  	        return;
  	      if (trace.toString$0(0).length === 0)
  	        return;
  	      t1 = $.$get$_traces0();
  	      A.Expando__checkType(error);
  	      if (t1._jsWeakMap.get(error) == null)
  	        t1.$indexSet(0, error, trace);
  	    },
  	    getTrace0(error) {
  	      var t1;
  	      if (typeof error == "string" || typeof error == "number" || A._isBool(error))
  	        t1 = null;
  	      else {
  	        t1 = $.$get$_traces0();
  	        A.Expando__checkType(error);
  	        t1 = t1._jsWeakMap.get(error);
  	      }
  	      return t1;
  	    },
  	    parseSignature(signature, requireParens) {
  	      var error, stackTrace, t1, t2;
  	      try {
  	        t1 = A.ScssParser$0(signature, false, null).parseSignature$1$requireParens(requireParens);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassFormatException_2._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error._span_exception$_message;
  	          t2 = J.get$span$x(error);
  	          A.throwWithTrace0(new A.SassFormatException0(B.Set_empty, 'Invalid signature "' + signature + '": ' + t1, t2), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    indent_closure0: function indent_closure0(t0) {
  	      this.indentation = t0;
  	    },
  	    flattenVertically_closure1: function flattenVertically_closure1(t0) {
  	      this.T = t0;
  	    },
  	    flattenVertically_closure2: function flattenVertically_closure2(t0, t1) {
  	      this.result = t0;
  	      this.T = t1;
  	    },
  	    longestCommonSubsequence_backtrack0: function longestCommonSubsequence_backtrack0(t0, t1, t2) {
  	      this.selections = t0;
  	      this.lengths = t1;
  	      this.T = t2;
  	    },
  	    mapAddAll2_closure0: function mapAddAll2_closure0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.destination = t0;
  	      _.K1 = t1;
  	      _.K2 = t2;
  	      _.V = t3;
  	    },
  	    CssValue0: function CssValue0(t0, t1, t2) {
  	      this.value = t0;
  	      this.span = t1;
  	      this.$ti = t2;
  	    },
  	    ValueExpression0: function ValueExpression0(t0, t1) {
  	      this.value = t0;
  	      this.span = t1;
  	    },
  	    valueClass_closure: function valueClass_closure() {
  	    },
  	    valueClass__closure: function valueClass__closure() {
  	    },
  	    valueClass__closure0: function valueClass__closure0() {
  	    },
  	    valueClass__closure1: function valueClass__closure1() {
  	    },
  	    valueClass__closure2: function valueClass__closure2() {
  	    },
  	    valueClass__closure3: function valueClass__closure3() {
  	    },
  	    valueClass__closure4: function valueClass__closure4() {
  	    },
  	    valueClass__closure5: function valueClass__closure5() {
  	    },
  	    valueClass__closure6: function valueClass__closure6() {
  	    },
  	    valueClass__closure7: function valueClass__closure7() {
  	    },
  	    valueClass__closure8: function valueClass__closure8() {
  	    },
  	    valueClass__closure9: function valueClass__closure9() {
  	    },
  	    valueClass__closure10: function valueClass__closure10() {
  	    },
  	    valueClass__closure11: function valueClass__closure11() {
  	    },
  	    valueClass__closure12: function valueClass__closure12() {
  	    },
  	    valueClass__closure13: function valueClass__closure13() {
  	    },
  	    valueClass__closure14: function valueClass__closure14() {
  	    },
  	    valueClass__closure15: function valueClass__closure15() {
  	    },
  	    valueClass__closure16: function valueClass__closure16() {
  	    },
  	    valueClass__closure17: function valueClass__closure17() {
  	    },
  	    valueClass__closure18: function valueClass__closure18() {
  	    },
  	    SassApiValue_assertSelector0(_this, allowParent, $name) {
  	      var error, stackTrace, t1, string = _this._value$_selectorString$1($name);
  	      try {
  	        t1 = A.SelectorList_SelectorList$parse0(string, allowParent, null, false);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassFormatException_2._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = B.JSString_methods.replaceFirst$2(J.toString$0$(error), "Error: ", "");
  	          A.throwWithTrace0(new A.SassScriptException0($name == null ? t1 : "$" + $name + ": " + t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    SassApiValue_assertCompoundSelector0(_this, $name) {
  	      var error, stackTrace, t1, allowParent = false,
  	        string = _this._value$_selectorString$1($name);
  	      try {
  	        t1 = new A.SelectorParser0(allowParent, false, A.SpanScanner$(string, null), null).parseCompoundSelector$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassFormatException_2._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = B.JSString_methods.replaceFirst$2(J.toString$0$(error), "Error: ", "");
  	          A.throwWithTrace0(new A.SassScriptException0("$" + $name + ": " + t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    Value0: function Value0() {
  	    },
  	    VariableExpression0: function VariableExpression0(t0, t1, t2) {
  	      this.namespace = t0;
  	      this.name = t1;
  	      this.span = t2;
  	    },
  	    VariableDeclaration$0($name, expression, span, comment, global, guarded, namespace) {
  	      if (namespace != null && global)
  	        A.throwExpression(A.ArgumentError$(string$.Other_, null));
  	      return new A.VariableDeclaration0(namespace, $name, expression, guarded, global, span);
  	    },
  	    VariableDeclaration0: function VariableDeclaration0(t0, t1, t2, t3, t4, t5) {
  	      var _ = this;
  	      _.namespace = t0;
  	      _.name = t1;
  	      _.expression = t2;
  	      _.isGuarded = t3;
  	      _.isGlobal = t4;
  	      _.span = t5;
  	    },
  	    WarnRule0: function WarnRule0(t0, t1) {
  	      this.expression = t0;
  	      this.span = t1;
  	    },
  	    WhileRule$0(condition, children, span) {
  	      var t1 = A.List_List$unmodifiable(children, type$.Statement_2),
  	        t2 = B.JSArray_methods.any$1(t1, new A.ParentStatement_closure0());
  	      return new A.WhileRule0(condition, span, t1, t2);
  	    },
  	    WhileRule0: function WhileRule0(t0, t1, t2, t3) {
  	      var _ = this;
  	      _.condition = t0;
  	      _.span = t1;
  	      _.children = t2;
  	      _.hasDeclarations = t3;
  	    },
  	    XyzD50ColorSpace0: function XyzD50ColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    XyzD65ColorSpace0: function XyzD65ColorSpace0(t0, t1) {
  	      this.name = t0;
  	      this._space$_channels = t1;
  	    },
  	    AsyncCallable_AsyncCallable$fromSignature(signature, callback, requireParens) {
  	      var _0_0 = A.parseSignature(signature, requireParens);
  	      return new A.AsyncBuiltInCallable0(_0_0._0, _0_0._1, callback, false);
  	    },
  	    Callable_Callable$fromSignature(signature, callback, requireParens) {
  	      var _0_0 = A.parseSignature(signature, requireParens);
  	      return new A.BuiltInCallable0(_0_0._0, A._setArrayType([new A._Record_2(_0_0._1, callback)], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2), false);
  	    },
  	    printString(string) {
  	      if (typeof dartPrint == "function") {
  	        dartPrint(string);
  	        return;
  	      }
  	      if (typeof console == "object" && typeof console.log != "undefined") {
  	        console.log(string);
  	        return;
  	      }
  	      if (typeof print == "function") {
  	        print(string);
  	        return;
  	      }
  	      throw "Unable to print message: " + String(string);
  	    },
  	    mergeMaps(map1, map2, $K, $V) {
  	      var result = A.LinkedHashMap_LinkedHashMap$of(map1, $K, $V);
  	      result.addAll$1(0, map2);
  	      return result;
  	    },
  	    groupBy(values, key, $S, $T) {
  	      var t1, t2, _i, element, t3, t4,
  	        map = A.LinkedHashMap_LinkedHashMap$_empty($T, $S._eval$1("List<0>"));
  	      for (t1 = values.length, t2 = $S._eval$1("JSArray<0>"), _i = 0; _i < values.length; values.length === t1 || (0, A.throwConcurrentModificationError)(values), ++_i) {
  	        element = values[_i];
  	        t3 = key.call$1(element);
  	        t4 = map.$index(0, t3);
  	        if (t4 == null) {
  	          t4 = A._setArrayType([], t2);
  	          map.$indexSet(0, t3, t4);
  	          t3 = t4;
  	        } else
  	          t3 = t4;
  	        J.add$1$ax(t3, element);
  	      }
  	      return map;
  	    },
  	    minBy(values, orderBy) {
  	      var t1, t2, minValue, minOrderBy, element, elementOrderBy;
  	      for (t1 = values.$ti, t2 = new A.MappedIterator(J.get$iterator$ax(values.__internal$_iterable), values._f, t1._eval$1("MappedIterator<1,2>")), t1 = t1._rest[1], minValue = null, minOrderBy = null; t2.moveNext$0();) {
  	        element = t2.__internal$_current;
  	        if (element == null)
  	          element = t1._as(element);
  	        elementOrderBy = orderBy.call$1(element);
  	        if (minOrderBy == null || A.defaultCompare(elementOrderBy, minOrderBy) < 0) {
  	          minOrderBy = elementOrderBy;
  	          minValue = element;
  	        }
  	      }
  	      return minValue;
  	    },
  	    IterableExtension_firstWhereOrNull(_this, test) {
  	      var t1, element;
  	      for (t1 = J.get$iterator$ax(_this); t1.moveNext$0();) {
  	        element = t1.get$current(t1);
  	        if (test.call$1(element))
  	          return element;
  	      }
  	      return null;
  	    },
  	    IterableExtension_get_firstOrNull(_this) {
  	      var iterator = J.get$iterator$ax(_this);
  	      if (iterator.moveNext$0())
  	        return iterator.get$current(iterator);
  	      return null;
  	    },
  	    IterableExtension_get_lastOrNull(_this) {
  	      if (_this.get$length(0) === 0)
  	        return null;
  	      return _this.get$last(_this);
  	    },
  	    IterableExtension_get_singleOrNull(_this) {
  	      var result,
  	        iterator = J.get$iterator$ax(_this);
  	      if (iterator.moveNext$0()) {
  	        result = iterator.get$current(iterator);
  	        if (!iterator.moveNext$0())
  	          return result;
  	      }
  	      return null;
  	    },
  	    IterableIntegerExtension_get_maxOrNull(_this) {
  	      var value, newValue,
  	        t1 = _this.$ti,
  	        iterator = new A.ListIterator(_this, _this.get$length(0), t1._eval$1("ListIterator<ListIterable.E>"));
  	      if (iterator.moveNext$0()) {
  	        value = iterator.__internal$_current;
  	        if (value == null)
  	          value = t1._eval$1("ListIterable.E")._as(value);
  	        for (t1 = t1._eval$1("ListIterable.E"); iterator.moveNext$0();) {
  	          newValue = iterator.__internal$_current;
  	          if (newValue == null)
  	            newValue = t1._as(newValue);
  	          if (newValue > value)
  	            value = newValue;
  	        }
  	        return value;
  	      }
  	      return null;
  	    },
  	    IterableIntegerExtension_get_max(_this) {
  	      var t1 = A.IterableIntegerExtension_get_maxOrNull(_this);
  	      return t1 == null ? A.throwExpression(A.StateError$("No element")) : t1;
  	    },
  	    IterableIntegerExtension_get_sum(_this) {
  	      var t1, t2, result, t3;
  	      for (t1 = _this.$ti, t2 = new A.MappedIterator(J.get$iterator$ax(_this.__internal$_iterable), _this._f, t1._eval$1("MappedIterator<1,2>")), t1 = t1._rest[1], result = 0; t2.moveNext$0();) {
  	        t3 = t2.__internal$_current;
  	        result += t3 == null ? t1._as(t3) : t3;
  	      }
  	      return result;
  	    },
  	    ListExtensions_mapIndexed(_this, convert, $E, $R) {
  	      return new A._SyncStarIterable(A.ListExtensions_mapIndexed$body(_this, convert, $E, $R), $R._eval$1("_SyncStarIterable<0>"));
  	    },
  	    ListExtensions_mapIndexed$body($async$_this, $async$convert, $async$$E, $async$$R) {
  	      return function() {
  	        var _this = $async$_this,
  	          convert = $async$convert;
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, index;
  	        return function $async$ListExtensions_mapIndexed($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = _this.length, index = 0;
  	              case 2:
  	                // for condition
  	                if (!(index < t1)) {
  	                  // goto after for
  	                  $async$goto = 4;
  	                  break;
  	                }
  	                $async$goto = 5;
  	                return $async$iterator._async$_current = convert.call$2(index, _this[index]), 1;
  	              case 5:
  	                // after yield
  	              case 3:
  	                // for update
  	                ++index;
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 4:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    ListExtensions_elementAtOrNull(_this, index) {
  	      var t1 = J.getInterceptor$asx(_this);
  	      return index < t1.get$length(_this) ? t1.$index(_this, index) : null;
  	    },
  	    defaultCompare(value1, value2) {
  	      return J.compareTo$1$ns(type$.Comparable_nullable_Object._as(value1), value2);
  	    },
  	    current() {
  	      var t1, path, lastIndex, uri = null;
  	      try {
  	        uri = A.Uri_base();
  	      } catch (exception) {
  	        if (type$.Exception._is(A.unwrapException(exception))) {
  	          t1 = $._current;
  	          if (t1 != null)
  	            return t1;
  	          throw exception;
  	        } else
  	          throw exception;
  	      }
  	      if (J.$eq$(uri, $._currentUriBase)) {
  	        t1 = $._current;
  	        t1.toString;
  	        return t1;
  	      }
  	      $._currentUriBase = uri;
  	      if ($.$get$Style_platform() === $.$get$Style_url())
  	        t1 = $._current = J.resolve$1$x(uri, ".").toString$0(0);
  	      else {
  	        path = uri.toFilePath$0();
  	        lastIndex = path.length - 1;
  	        t1 = $._current = lastIndex === 0 ? path : B.JSString_methods.substring$2(path, 0, lastIndex);
  	      }
  	      return t1;
  	    },
  	    absolute(part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15) {
  	      return $.$get$context().absolute$15(part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15);
  	    },
  	    join(part1, part2, part3) {
  	      var _null = null;
  	      return $.$get$context().join$16(0, part1, part2, part3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    },
  	    toUri(path) {
  	      return $.$get$context().toUri$1(path);
  	    },
  	    prettyUri(uri) {
  	      var t1 = $.$get$context();
  	      uri.toString;
  	      return t1.prettyUri$1(uri);
  	    },
  	    isAlphabetic(char) {
  	      var t1;
  	      if (!(char >= 65 && char <= 90))
  	        t1 = char >= 97 && char <= 122;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    driveLetterEnd(path, index) {
  	      var t2, t3, _null = null,
  	        t1 = path.length,
  	        index0 = index + 2;
  	      if (t1 < index0)
  	        return _null;
  	      if (!A.isAlphabetic(path.charCodeAt(index)))
  	        return _null;
  	      t2 = index + 1;
  	      if (path.charCodeAt(t2) !== 58) {
  	        t3 = index + 4;
  	        if (t1 < t3)
  	          return _null;
  	        if (B.JSString_methods.substring$2(path, t2, t3).toLowerCase() !== "%3a")
  	          return _null;
  	        index = index0;
  	      }
  	      t2 = index + 2;
  	      if (t1 === t2)
  	        return t2;
  	      if (path.charCodeAt(t2) !== 47)
  	        return _null;
  	      return index + 3;
  	    },
  	    main0(args) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        t1;
  	      var $async$main0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              A.printError("sass --embedded is unavailable in pure JS mode.");
  	              t1 = A.isNodeJs() ? self.process : null;
  	              if (t1 != null)
  	                J.set$exitCode$x(t1, 1);
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$main0, $async$completer);
  	    },
  	    EvaluationContext_currentOrNull() {
  	      var t1,
  	        _0_0 = $.Zone__current.$index(0, B.Symbol__evaluationContext);
  	      $label0$0: {
  	        if (type$.EvaluationContext._is(_0_0)) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    warn(message) {
  	      var t1, _null = null,
  	        _0_0 = A.EvaluationContext_currentOrNull();
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.warn$2(0, message, _null);
  	          break $label0$0;
  	        }
  	        B.C_DefaultLogger.internalWarn$4$deprecation$span$trace(message, _null, _null, _null);
  	        t1 = _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    warnForDeprecation(message, deprecation) {
  	      var t1,
  	        _0_0 = A.EvaluationContext_currentOrNull();
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.warn$2(0, message, deprecation);
  	          break $label0$0;
  	        }
  	        t1 = A.WarnForDeprecation_warnForDeprecation(B.C_DefaultLogger, deprecation, message, null, null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    compileStylesheets(options, graph, sourcesToDestinations, ifModified) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
  	        $async$returnValue, _1_4, t2, t3, _i, t4, printedError, errorWithStackTrace, code, error, stackTrace, buffer, t1, $async$temp1;
  	      var $async$compileStylesheets = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.nullable_String;
  	              t1 = A.List_List$_of(A.MapExtensions_get_pairs(sourcesToDestinations, t1, t1), type$.Record_2_nullable_String_and_nullable_String);
  	              $async$goto = t1.length === 1 ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              _1_4 = t1[0];
  	              $async$temp1 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait(A.compileStylesheet(options, graph, _1_4._0, _1_4._1, ifModified), $async$compileStylesheets);
  	            case 6:
  	              // returning from await.
  	              t1 = $async$temp1._setArrayType([$async$result], type$.JSArray_nullable_Record_3_int_and_String_and_nullable_String);
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // join
  	              t2 = A._setArrayType([], type$.JSArray_Future_nullable_Record_3_int_and_String_and_nullable_String);
  	              for (t3 = t1.length, _i = 0; _i < t1.length; t1.length === t3 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	                t4 = t1[_i];
  	                t2.push(A.compileStylesheet(options, graph, t4._0, t4._1, ifModified));
  	              }
  	              $async$goto = 7;
  	              return A._asyncAwait(A.Future_wait(t2, A._asBool(options._options.$index(0, "stop-on-error")), type$.nullable_Record_3_int_and_String_and_nullable_String), $async$compileStylesheets);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 3:
  	              // break $label0$0
  	              for (t1 = J.get$iterator$ax(t1), printedError = false; t1.moveNext$0();) {
  	                errorWithStackTrace = t1.get$current(t1);
  	                if (errorWithStackTrace == null)
  	                  continue;
  	                code = errorWithStackTrace._0;
  	                error = errorWithStackTrace._1;
  	                stackTrace = errorWithStackTrace._2;
  	                t2 = self.process;
  	                if (t2 == null)
  	                  t2 = null;
  	                else {
  	                  t2 = J.get$release$x(t2);
  	                  t2 = t2 == null ? null : J.get$name$x(t2);
  	                }
  	                t2 = J.$eq$(t2, "node") ? self.process : null;
  	                t2 = t2 == null ? null : J.get$exitCode$x(t2);
  	                if (t2 == null)
  	                  t2 = 0;
  	                t2 = Math.max(t2, code);
  	                t3 = self.process;
  	                if (t3 == null)
  	                  t3 = null;
  	                else {
  	                  t3 = J.get$release$x(t3);
  	                  t3 = t3 == null ? null : J.get$name$x(t3);
  	                }
  	                t3 = J.$eq$(t3, "node") ? self.process : null;
  	                if (t3 != null)
  	                  J.set$exitCode$x(t3, t2);
  	                buffer = new A.StringBuffer("");
  	                t2 = (printedError ? buffer._contents = "\n" : "") + error;
  	                buffer._contents = t2;
  	                if (stackTrace != null) {
  	                  t2 += "\n";
  	                  buffer._contents = t2;
  	                  t2 += "\n";
  	                  buffer._contents = t2;
  	                  buffer._contents = t2 + stackTrace;
  	                }
  	                A.printError(buffer);
  	                printedError = true;
  	              }
  	              $async$returnValue = !printedError;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$compileStylesheets, $async$completer);
  	    },
  	    CharacterExtension_get_isAlphabetic(_this) {
  	      var t1;
  	      if (!(_this >= 97 && _this <= 122))
  	        t1 = _this >= 65 && _this <= 90;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    CharacterExtension_get_isHex(_this) {
  	      var t1 = true;
  	      if (!(_this >= 48 && _this <= 57))
  	        if (!(_this >= 97 && _this <= 102))
  	          t1 = _this >= 65 && _this <= 70;
  	      return t1;
  	    },
  	    asHex(character) {
  	      var t1;
  	      $label0$0: {
  	        if (character <= 57) {
  	          t1 = character - 48;
  	          break $label0$0;
  	        }
  	        if (character <= 70) {
  	          t1 = 10 + character - 65;
  	          break $label0$0;
  	        }
  	        t1 = 10 + character - 97;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    hexCharFor(number) {
  	      return number < 10 ? 48 + number : 87 + number;
  	    },
  	    opposite(character) {
  	      var t1;
  	      $label0$0: {
  	        if (40 === character) {
  	          t1 = 41;
  	          break $label0$0;
  	        }
  	        if (123 === character) {
  	          t1 = 125;
  	          break $label0$0;
  	        }
  	        if (91 === character) {
  	          t1 = 93;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$('"' + A.String_String$fromCharCode(character) + "\" isn't a brace-like character.", null));
  	      }
  	      return t1;
  	    },
  	    characterEqualsIgnoreCase(character1, character2) {
  	      var upperCase1;
  	      if (character1 === character2)
  	        return true;
  	      if ((character1 ^ character2) >>> 0 !== 32)
  	        return false;
  	      upperCase1 = (character1 & 4294967263) >>> 0;
  	      return upperCase1 >= 65 && upperCase1 <= 90;
  	    },
  	    IterableExtension_search(_this, callback) {
  	      var t1, _0_0;
  	      for (t1 = J.get$iterator$ax(_this); t1.moveNext$0();) {
  	        _0_0 = callback.call$1(t1.get$current(t1));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    IterableExtension_get_exceptLast(_this) {
  	      var t1 = J.getInterceptor$asx(_this),
  	        size = t1.get$length(_this) - 1;
  	      if (size < 0)
  	        throw A.wrapException(A.StateError$("Iterable may not be empty"));
  	      return t1.take$1(_this, size);
  	    },
  	    NullableExtension_andThen(_this, fn) {
  	      return _this == null ? null : fn.call$1(_this);
  	    },
  	    SetExtension_removeNull(_this, $T) {
  	      _this.remove$1(0, null);
  	      return A.Set_castFrom(_this, _this.get$_newSimilarSet(), A._instanceType(_this)._precomputed1, $T);
  	    },
  	    fuzzyEquals(number1, number2) {
  	      var t1;
  	      if (number1 === number2)
  	        return true;
  	      if (Math.abs(number1 - number2) <= $.$get$_epsilon()) {
  	        t1 = $.$get$_inverseEpsilon();
  	        t1 = B.JSNumber_methods.round$0(number1 * t1) === B.JSNumber_methods.round$0(number2 * t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    fuzzyEqualsNullable(number1, number2) {
  	      var t1;
  	      if (number1 == number2)
  	        return true;
  	      if (number1 == null || number2 == null)
  	        return false;
  	      if (Math.abs(number1 - number2) <= $.$get$_epsilon()) {
  	        t1 = $.$get$_inverseEpsilon();
  	        t1 = B.JSNumber_methods.round$0(number1 * t1) === B.JSNumber_methods.round$0(number2 * t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    fuzzyHashCode(number) {
  	      if (!isFinite(number))
  	        return B.JSNumber_methods.get$hashCode(number);
  	      return B.JSInt_methods.get$hashCode(B.JSNumber_methods.round$0(number * $.$get$_inverseEpsilon()));
  	    },
  	    fuzzyLessThan(number1, number2) {
  	      return number1 < number2 && !A.fuzzyEquals(number1, number2);
  	    },
  	    fuzzyLessThanOrEquals(number1, number2) {
  	      return number1 < number2 || A.fuzzyEquals(number1, number2);
  	    },
  	    fuzzyGreaterThan(number1, number2) {
  	      return number1 > number2 && !A.fuzzyEquals(number1, number2);
  	    },
  	    fuzzyGreaterThanOrEquals(number1, number2) {
  	      return number1 > number2 || A.fuzzyEquals(number1, number2);
  	    },
  	    fuzzyIsInt(number) {
  	      if (number == 1 / 0 || number == -1 / 0 || isNaN(number))
  	        return false;
  	      return A.fuzzyEquals(number, B.JSNumber_methods.round$0(number));
  	    },
  	    fuzzyAsInt(number) {
  	      var rounded;
  	      if (number == 1 / 0 || number == -1 / 0 || isNaN(number))
  	        return null;
  	      rounded = B.JSNumber_methods.round$0(number);
  	      return A.fuzzyEquals(number, rounded) ? rounded : null;
  	    },
  	    fuzzyRound(number) {
  	      var t1;
  	      if (number > 0) {
  	        t1 = B.JSNumber_methods.$mod(number, 1);
  	        return t1 < 0.5 && !A.fuzzyEquals(t1, 0.5) ? B.JSNumber_methods.floor$0(number) : B.JSNumber_methods.ceil$0(number);
  	      } else {
  	        t1 = B.JSNumber_methods.$mod(number, 1);
  	        return t1 < 0.5 || A.fuzzyEquals(t1, 0.5) ? B.JSNumber_methods.floor$0(number) : B.JSNumber_methods.ceil$0(number);
  	      }
  	    },
  	    fuzzyCheckRange(number, min, max) {
  	      if (A.fuzzyEquals(number, min))
  	        return min;
  	      if (A.fuzzyEquals(number, max))
  	        return max;
  	      if (number > min && number < max)
  	        return number;
  	      return null;
  	    },
  	    fuzzyAssertRange(number, min, max, $name) {
  	      var result = A.fuzzyCheckRange(number, min, max);
  	      if (result != null)
  	        return result;
  	      throw A.wrapException(A.RangeError$range(number, min, max, $name, "must be between " + min + " and " + max));
  	    },
  	    moduloLikeSass(num1, num2) {
  	      var result;
  	      if (num1 == 1 / 0 || num1 == -1 / 0)
  	        return 0 / 0;
  	      if (num2 == 1 / 0 || num2 == -1 / 0)
  	        return A.DoubleWithSignedZero_get_signIncludingZero(num1) === J.get$sign$in(num2) ? num1 : 0 / 0;
  	      if (num2 > 0)
  	        return B.JSNumber_methods.$mod(num1, num2);
  	      if (num2 === 0)
  	        return 0 / 0;
  	      result = B.JSNumber_methods.$mod(num1, num2);
  	      return result === 0 ? 0 : result + num2;
  	    },
  	    sqrt(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber(Math.sqrt(number._number$_value), null);
  	    },
  	    sin(number) {
  	      return A.SassNumber_SassNumber(Math.sin(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    cos(number) {
  	      return A.SassNumber_SassNumber(Math.cos(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    tan(number) {
  	      return A.SassNumber_SassNumber(Math.tan(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    atan(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits(Math.atan(number._number$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    asin(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits(Math.asin(number._number$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    acos(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits(Math.acos(number._number$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    log(number, base) {
  	      if (base != null)
  	        return A.SassNumber_SassNumber(Math.log(number._number$_value) / Math.log(base._number$_value), null);
  	      return A.SassNumber_SassNumber(Math.log(number._number$_value), null);
  	    },
  	    pow0(base, exponent) {
  	      base.assertNoUnits$1("base");
  	      exponent.assertNoUnits$1("exponent");
  	      return A.SassNumber_SassNumber(Math.pow(base._number$_value, exponent._number$_value), null);
  	    },
  	    DoubleWithSignedZero_get_signIncludingZero(_this) {
  	      if (_this === -0)
  	        return -1;
  	      if (_this === 0)
  	        return 1;
  	      return J.get$sign$in(_this);
  	    },
  	    SpanExtensions_trimLeft(_this) {
  	      var t1, start = 0;
  	      for (;;) {
  	        t1 = _this.get$text().charCodeAt(start);
  	        if (!(t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12))
  	          break;
  	        ++start;
  	      }
  	      return A.FileSpanExtension_subspan(_this, start, null);
  	    },
  	    SpanExtensions_trimRight(_this) {
  	      var t1,
  	        end = _this.get$text().length - 1;
  	      for (;;) {
  	        t1 = _this.get$text().charCodeAt(end);
  	        if (!(t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12))
  	          break;
  	        --end;
  	      }
  	      return A.FileSpanExtension_subspan(_this, 0, end + 1);
  	    },
  	    SpanExtensions_initialIdentifier(_this) {
  	      var i,
  	        scanner = A.StringScanner$(_this.get$text(), null, null);
  	      for (i = 0; false; ++i)
  	        scanner.readChar$0();
  	      A._scanIdentifier(scanner);
  	      return A.FileSpanExtension_subspan(_this, 0, scanner._string_scanner$_position);
  	    },
  	    _scanIdentifier(scanner) {
  	      var t1, _0_0, t2;
  	      for (t1 = scanner.string.length; scanner._string_scanner$_position !== t1;) {
  	        _0_0 = scanner.peekChar$0();
  	        if (92 === _0_0) {
  	          A.consumeEscapedCharacter(scanner);
  	          continue;
  	        }
  	        if (A._isInt(_0_0)) {
  	          if (_0_0 !== 95) {
  	            if (!(_0_0 >= 97 && _0_0 <= 122))
  	              t2 = _0_0 >= 65 && _0_0 <= 90;
  	            else
  	              t2 = true;
  	            t2 = t2 || _0_0 >= 128;
  	          } else
  	            t2 = true;
  	          if (!t2)
  	            t2 = _0_0 >= 48 && _0_0 <= 57 || _0_0 === 45;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          scanner.readChar$0();
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    hueToRgb(m1, m2, hue) {
  	      var t1;
  	      if (hue < 0)
  	        ++hue;
  	      if (hue > 1)
  	        --hue;
  	      $label0$0: {
  	        if (hue < 0.16666666666666666) {
  	          t1 = m1 + (m2 - m1) * hue * 6;
  	          break $label0$0;
  	        }
  	        if (hue < 0.5) {
  	          t1 = m2;
  	          break $label0$0;
  	        }
  	        if (hue < 0.6666666666666666) {
  	          t1 = m1 + (m2 - m1) * (0.6666666666666666 - hue) * 6;
  	          break $label0$0;
  	        }
  	        t1 = m1;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    srgbAndDisplayP3ToLinear(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.04045 ? channel / 12.92 : J.get$sign$in(channel) * Math.pow((abs + 0.055) / 1.055, 2.4);
  	    },
  	    srgbAndDisplayP3FromLinear(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.0031308 ? channel * 12.92 : J.get$sign$in(channel) * (1.055 * Math.pow(abs, 0.4166666666666667) - 0.055);
  	    },
  	    labToLch(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var t3, t4, chroma, hue,
  	        t1 = a == null,
  	        t2 = t1 ? 0 : a;
  	      t2 = Math.pow(t2, 2);
  	      t3 = b == null;
  	      t4 = t3 ? 0 : b;
  	      chroma = Math.sqrt(t2 + Math.pow(t4, 2));
  	      if (missingHue || A.fuzzyEquals(chroma, 0))
  	        hue = null;
  	      else {
  	        t2 = t3 ? 0 : b;
  	        t1 = t1 ? 0 : a;
  	        hue = Math.atan2(t2, t1) * 180 / 3.141592653589793;
  	      }
  	      t1 = missingChroma ? null : chroma;
  	      return A.SassColor_SassColor$forSpaceInternal(dest, lightness, t1, hue == null || hue >= 0 ? hue : hue + 360, alpha);
  	    },
  	    encodeVlq(value) {
  	      var res, signBit, digit, t1;
  	      if (value < $.$get$minInt32() || value > $.$get$maxInt32())
  	        throw A.wrapException(A.ArgumentError$("expected 32 bit int, got: " + value, null));
  	      res = A._setArrayType([], type$.JSArray_String);
  	      if (value < 0) {
  	        value = -value;
  	        signBit = 1;
  	      } else
  	        signBit = 0;
  	      value = value << 1 | signBit;
  	      do {
  	        digit = value & 31;
  	        value = value >>> 5;
  	        t1 = value > 0;
  	        res.push(string$.ABCDEF[t1 ? digit | 32 : digit]);
  	      } while (t1);
  	      return res;
  	    },
  	    isAllTheSame(iter) {
  	      var firstValue, t1, t2, value;
  	      if (iter.get$length(0) === 0)
  	        return true;
  	      firstValue = iter.get$first(0);
  	      for (t1 = A.SubListIterable$(iter, 1, null, iter.$ti._eval$1("ListIterable.E")), t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListIterable.E>")), t2 = t2._eval$1("ListIterable.E"); t1.moveNext$0();) {
  	        value = t1.__internal$_current;
  	        if (!J.$eq$(value == null ? t2._as(value) : value, firstValue))
  	          return false;
  	      }
  	      return true;
  	    },
  	    replaceFirstNull(list, element) {
  	      var index = B.JSArray_methods.indexOf$1(list, null);
  	      if (index < 0)
  	        throw A.wrapException(A.ArgumentError$(A.S(list) + " contains no null elements.", null));
  	      list[index] = element;
  	    },
  	    replaceWithNull(list, element) {
  	      var index = B.JSArray_methods.indexOf$1(list, element);
  	      if (index < 0)
  	        throw A.wrapException(A.ArgumentError$(A.S(list) + " contains no elements matching " + element.toString$0(0) + ".", null));
  	      list[index] = null;
  	    },
  	    countCodeUnits(string, codeUnit) {
  	      var t1, t2, count, t3;
  	      for (t1 = new A.CodeUnits(string), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"), count = 0; t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if ((t3 == null ? t2._as(t3) : t3) === codeUnit)
  	          ++count;
  	      }
  	      return count;
  	    },
  	    findLineStart(context, text, column) {
  	      var beginningOfLine, index, lineStart;
  	      if (text.length === 0)
  	        for (beginningOfLine = 0;;) {
  	          index = B.JSString_methods.indexOf$2(context, "\n", beginningOfLine);
  	          if (index === -1)
  	            return context.length - beginningOfLine >= column ? beginningOfLine : null;
  	          if (index - beginningOfLine >= column)
  	            return beginningOfLine;
  	          beginningOfLine = index + 1;
  	        }
  	      index = B.JSString_methods.indexOf$1(context, text);
  	      while (index !== -1) {
  	        lineStart = index === 0 ? 0 : B.JSString_methods.lastIndexOf$2(context, "\n", index - 1) + 1;
  	        if (column === index - lineStart)
  	          return lineStart;
  	        index = B.JSString_methods.indexOf$2(context, text, index + 1);
  	      }
  	      return null;
  	    },
  	    validateErrorArgs(string, match, position, $length) {
  	      var t2,
  	        t1 = position != null;
  	      if (t1)
  	        if (position < 0)
  	          throw A.wrapException(A.RangeError$("position must be greater than or equal to 0."));
  	        else if (position > string.length)
  	          throw A.wrapException(A.RangeError$("position must be less than or equal to the string length."));
  	      t2 = $length != null;
  	      if (t2 && $length < 0)
  	        throw A.wrapException(A.RangeError$("length must be greater than or equal to 0."));
  	      if (t1 && t2 && position + $length > string.length)
  	        throw A.wrapException(A.RangeError$("position plus length must not go beyond the end of the string."));
  	    },
  	    CharacterExtension_get_isAlphabetic0(_this) {
  	      var t1;
  	      if (!(_this >= 97 && _this <= 122))
  	        t1 = _this >= 65 && _this <= 90;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    CharacterExtension_get_isHex0(_this) {
  	      var t1 = true;
  	      if (!(_this >= 48 && _this <= 57))
  	        if (!(_this >= 97 && _this <= 102))
  	          t1 = _this >= 65 && _this <= 70;
  	      return t1;
  	    },
  	    combineSurrogates(highSurrogate, lowSurrogate) {
  	      return 65536 + ((highSurrogate & 1023) << 10) + (lowSurrogate & 1023);
  	    },
  	    asHex0(character) {
  	      var t1;
  	      $label0$0: {
  	        if (character <= 57) {
  	          t1 = character - 48;
  	          break $label0$0;
  	        }
  	        if (character <= 70) {
  	          t1 = 10 + character - 65;
  	          break $label0$0;
  	        }
  	        t1 = 10 + character - 97;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    hexCharFor0(number) {
  	      return number < 10 ? 48 + number : 87 + number;
  	    },
  	    opposite0(character) {
  	      var t1;
  	      $label0$0: {
  	        if (40 === character) {
  	          t1 = 41;
  	          break $label0$0;
  	        }
  	        if (123 === character) {
  	          t1 = 125;
  	          break $label0$0;
  	        }
  	        if (91 === character) {
  	          t1 = 93;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$('"' + A.String_String$fromCharCode(character) + "\" isn't a brace-like character.", null));
  	      }
  	      return t1;
  	    },
  	    characterEqualsIgnoreCase0(character1, character2) {
  	      var upperCase1;
  	      if (character1 === character2)
  	        return true;
  	      if ((character1 ^ character2) >>> 0 !== 32)
  	        return false;
  	      upperCase1 = (character1 & 4294967263) >>> 0;
  	      return upperCase1 >= 65 && upperCase1 <= 90;
  	    },
  	    EvaluationContext_currentOrNull0() {
  	      var t1,
  	        _0_0 = $.Zone__current.$index(0, B.Symbol__evaluationContext);
  	      $label0$0: {
  	        if (type$.EvaluationContext_2._is(_0_0)) {
  	          t1 = _0_0;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    EvaluationContext__currentOrNull() {
  	      var _0_0 = $.Zone__current.$index(0, B.Symbol__evaluationContext);
  	      if (type$.EvaluationContext_2._is(_0_0))
  	        return _0_0;
  	      else
  	        return null;
  	    },
  	    warn0(message) {
  	      var t1, _null = null,
  	        _0_0 = A.EvaluationContext_currentOrNull0();
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.warn$2(0, message, _null);
  	          break $label0$0;
  	        }
  	        B.C_DefaultLogger0.internalWarn$4$deprecation$span$trace(message, _null, _null, _null);
  	        t1 = _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    warnForDeprecation0(message, deprecation) {
  	      var t1,
  	        _0_0 = A.EvaluationContext_currentOrNull0();
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.warn$2(0, message, deprecation);
  	          break $label0$0;
  	        }
  	        t1 = A.WarnForDeprecation_warnForDeprecation0(B.C_DefaultLogger0, deprecation, message, null, null);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    warnForDeprecationFromApi(message, deprecation) {
  	      var _0_0 = A.EvaluationContext__currentOrNull();
  	      if (_0_0 != null)
  	        _0_0.warn$2(0, message, deprecation);
  	      else
  	        A.WarnForDeprecation_warnForDeprecation0(B.C_DefaultLogger0, deprecation, message, null, null);
  	    },
  	    IterableExtension_search0(_this, callback) {
  	      var t1, _0_0;
  	      for (t1 = J.get$iterator$ax(_this); t1.moveNext$0();) {
  	        _0_0 = callback.call$1(t1.get$current(t1));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    IterableExtension_get_exceptLast0(_this) {
  	      var t1 = J.getInterceptor$asx(_this),
  	        size = t1.get$length(_this) - 1;
  	      if (size < 0)
  	        throw A.wrapException(A.StateError$("Iterable may not be empty"));
  	      return t1.take$1(_this, size);
  	    },
  	    NullableExtension_andThen0(_this, fn) {
  	      return _this == null ? null : fn.call$1(_this);
  	    },
  	    fuzzyEquals0(number1, number2) {
  	      var t1;
  	      if (number1 === number2)
  	        return true;
  	      if (Math.abs(number1 - number2) <= $.$get$_epsilon0()) {
  	        t1 = $.$get$_inverseEpsilon0();
  	        t1 = B.JSNumber_methods.round$0(number1 * t1) === B.JSNumber_methods.round$0(number2 * t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    fuzzyEqualsNullable0(number1, number2) {
  	      var t1;
  	      if (number1 == number2)
  	        return true;
  	      if (number1 == null || number2 == null)
  	        return false;
  	      if (Math.abs(number1 - number2) <= $.$get$_epsilon0()) {
  	        t1 = $.$get$_inverseEpsilon0();
  	        t1 = B.JSNumber_methods.round$0(number1 * t1) === B.JSNumber_methods.round$0(number2 * t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    fuzzyHashCode0(number) {
  	      if (!isFinite(number))
  	        return B.JSNumber_methods.get$hashCode(number);
  	      return B.JSInt_methods.get$hashCode(B.JSNumber_methods.round$0(number * $.$get$_inverseEpsilon0()));
  	    },
  	    fuzzyLessThan0(number1, number2) {
  	      return number1 < number2 && !A.fuzzyEquals0(number1, number2);
  	    },
  	    fuzzyLessThanOrEquals0(number1, number2) {
  	      return number1 < number2 || A.fuzzyEquals0(number1, number2);
  	    },
  	    fuzzyGreaterThan0(number1, number2) {
  	      return number1 > number2 && !A.fuzzyEquals0(number1, number2);
  	    },
  	    fuzzyGreaterThanOrEquals0(number1, number2) {
  	      return number1 > number2 || A.fuzzyEquals0(number1, number2);
  	    },
  	    fuzzyIsInt0(number) {
  	      if (number == 1 / 0 || number == -1 / 0 || isNaN(number))
  	        return false;
  	      return A.fuzzyEquals0(number, B.JSNumber_methods.round$0(number));
  	    },
  	    fuzzyAsInt0(number) {
  	      var rounded;
  	      if (number == 1 / 0 || number == -1 / 0 || isNaN(number))
  	        return null;
  	      rounded = B.JSNumber_methods.round$0(number);
  	      return A.fuzzyEquals0(number, rounded) ? rounded : null;
  	    },
  	    fuzzyRound0(number) {
  	      var t1;
  	      if (number > 0) {
  	        t1 = B.JSNumber_methods.$mod(number, 1);
  	        return t1 < 0.5 && !A.fuzzyEquals0(t1, 0.5) ? B.JSNumber_methods.floor$0(number) : B.JSNumber_methods.ceil$0(number);
  	      } else {
  	        t1 = B.JSNumber_methods.$mod(number, 1);
  	        return t1 < 0.5 || A.fuzzyEquals0(t1, 0.5) ? B.JSNumber_methods.floor$0(number) : B.JSNumber_methods.ceil$0(number);
  	      }
  	    },
  	    fuzzyCheckRange0(number, min, max) {
  	      if (A.fuzzyEquals0(number, min))
  	        return min;
  	      if (A.fuzzyEquals0(number, max))
  	        return max;
  	      if (number > min && number < max)
  	        return number;
  	      return null;
  	    },
  	    fuzzyAssertRange0(number, min, max, $name) {
  	      var result = A.fuzzyCheckRange0(number, min, max);
  	      if (result != null)
  	        return result;
  	      throw A.wrapException(A.RangeError$range(number, min, max, $name, "must be between " + min + " and " + max));
  	    },
  	    moduloLikeSass0(num1, num2) {
  	      var result;
  	      if (num1 == 1 / 0 || num1 == -1 / 0)
  	        return 0 / 0;
  	      if (num2 == 1 / 0 || num2 == -1 / 0)
  	        return A.DoubleWithSignedZero_get_signIncludingZero0(num1) === J.get$sign$in(num2) ? num1 : 0 / 0;
  	      if (num2 > 0)
  	        return B.JSNumber_methods.$mod(num1, num2);
  	      if (num2 === 0)
  	        return 0 / 0;
  	      result = B.JSNumber_methods.$mod(num1, num2);
  	      return result === 0 ? 0 : result + num2;
  	    },
  	    sqrt0(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber0(Math.sqrt(number._number1$_value), null);
  	    },
  	    sin0(number) {
  	      return A.SassNumber_SassNumber0(Math.sin(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    cos0(number) {
  	      return A.SassNumber_SassNumber0(Math.cos(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    tan0(number) {
  	      return A.SassNumber_SassNumber0(Math.tan(number.coerceValueToUnit$2("rad", "number")), null);
  	    },
  	    atan0(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits0(Math.atan(number._number1$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    asin0(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits0(Math.asin(number._number1$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    acos0(number) {
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber$withUnits0(Math.acos(number._number1$_value) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    log0(number, base) {
  	      if (base != null)
  	        return A.SassNumber_SassNumber0(Math.log(number._number1$_value) / Math.log(base._number1$_value), null);
  	      return A.SassNumber_SassNumber0(Math.log(number._number1$_value), null);
  	    },
  	    pow1(base, exponent) {
  	      base.assertNoUnits$1("base");
  	      exponent.assertNoUnits$1("exponent");
  	      return A.SassNumber_SassNumber0(Math.pow(base._number1$_value, exponent._number1$_value), null);
  	    },
  	    DoubleWithSignedZero_get_signIncludingZero0(_this) {
  	      if (_this === -0)
  	        return -1;
  	      if (_this === 0)
  	        return 1;
  	      return J.get$sign$in(_this);
  	    },
  	    main1(args) {
  	      return A.main$body(args);
  	    },
  	    main$body(args) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], options, t1, graph, error, error0, stackTrace, buffer, t2, $async$exception, $async$temp1;
  	      var $async$main1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (args.length >= 1 && "--embedded" === args[0]) {
  	                A.main0(B.JSArray_methods.sublist$1(args, 1));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              options = null;
  	              $async$handler = 4;
  	              options = A.ExecutableOptions_ExecutableOptions$parse(args);
  	              t2 = options._options;
  	              $._glyphs = !(t2.wasParsed$1("unicode") ? A._asBool(t2.$index(0, "unicode")) : $._glyphs !== B.C_AsciiGlyphSet) ? B.C_AsciiGlyphSet : B.C_UnicodeGlyphSet;
  	              $async$goto = A._asBool(options._options.$index(0, "version")) ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 9;
  	              return A._asyncAwait(A._loadVersion(), $async$main1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.print($async$result);
  	              t1 = A.isNodeJs() ? self.process : null;
  	              if (t1 != null)
  	                J.set$exitCode$x(t1, 0);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 8:
  	              // join
  	              $async$goto = options.get$interactive() ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              $async$goto = 12;
  	              return A._asyncAwait(A.repl(options), $async$main1);
  	            case 12:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 11:
  	              // join
  	              options.get$silenceDeprecations(0);
  	              options.get$futureDeprecations(0);
  	              options.get$fatalDeprecations(0);
  	              t2 = A.List_List$_of(options.get$pkgImporters(), type$.Importer_2);
  	              t1 = t2;
  	              J.add$1$ax(t1, $.$get$FilesystemImporter_noLoadPath());
  	              t2 = type$.Uri;
  	              graph = new A.StylesheetGraph(A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.StylesheetNode), A.ImportCache$(t1, type$.List_String._as(options._options.$index(0, "load-path"))), A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.DateTime));
  	              $async$goto = A._asBool(options._options.$index(0, "watch")) ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              $async$goto = 15;
  	              return A._asyncAwait(A.watch(options, graph), $async$main1);
  	            case 15:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 14:
  	              // join
  	              t1 = options;
  	              t2 = options;
  	              t2._ensureSources$0();
  	              t2 = t2._sourcesToDestinations;
  	              t2.toString;
  	              $async$goto = 16;
  	              return A._asyncAwait(A.compileStylesheets(t1, graph, t2, A._asBool(options._options.$index(0, "update"))), $async$main1);
  	            case 16:
  	              // returning from await.
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.UsageException) {
  	                error = t1;
  	                A.print(error.message + "\n");
  	                A.print("Usage: sass <input.scss> [output.css]\n       sass <input.scss>:<output.css> <input/>:<output/> <dir/>\n");
  	                t1 = $.$get$ExecutableOptions__parser();
  	                A.print(new A._Usage(t1._optionsAndSeparators, new A.StringBuffer(""), t1.usageLineLength).generate$0());
  	                t1 = A.isNodeJs() ? self.process : null;
  	                if (t1 != null)
  	                  J.set$exitCode$x(t1, 64);
  	              } else {
  	                error0 = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                buffer = new A.StringBuffer("");
  	                t1 = options;
  	                t1 = t1 == null ? null : t1.get$color();
  	                if (t1 === true)
  	                  buffer._contents += "\x1b[31m\x1b[1m";
  	                buffer._contents += "Unexpected exception:";
  	                t1 = options;
  	                t1 = t1 == null ? null : t1.get$color();
  	                if (t1 === true)
  	                  buffer._contents += "\x1b[0m";
  	                buffer._contents += "\n";
  	                t1 = buffer;
  	                t2 = A.S(error0) + "\n";
  	                t1._contents += t2;
  	                buffer._contents += "\n";
  	                buffer._contents += "\n";
  	                t2 = buffer;
  	                t1 = A.getTrace(error0);
  	                t1 = B.JSString_methods.trimRight$0(A.Trace_Trace$from(t1 == null ? stackTrace : t1).get$terse().toString$0(0));
  	                t2._contents += t1;
  	                A.printError(buffer);
  	                t1 = A.isNodeJs() ? self.process : null;
  	                if (t1 != null)
  	                  J.set$exitCode$x(t1, 255);
  	              }
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$main1, $async$completer);
  	    },
  	    _loadVersion() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue;
  	      var $async$_loadVersion = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = "1.99.0 compiled with dart2js 3.11.4";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_loadVersion, $async$completer);
  	    },
  	    SpanExtensions_trimLeft0(_this) {
  	      var t1, start = 0;
  	      for (;;) {
  	        t1 = _this.get$text().charCodeAt(start);
  	        if (!(t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12))
  	          break;
  	        ++start;
  	      }
  	      return A.FileSpanExtension_subspan(_this, start, null);
  	    },
  	    SpanExtensions_trimRight0(_this) {
  	      var t1,
  	        end = _this.get$text().length - 1;
  	      for (;;) {
  	        t1 = _this.get$text().charCodeAt(end);
  	        if (!(t1 === 32 || t1 === 9 || t1 === 10 || t1 === 13 || t1 === 12))
  	          break;
  	        --end;
  	      }
  	      return A.FileSpanExtension_subspan(_this, 0, end + 1);
  	    },
  	    SpanExtensions_initialIdentifier0(_this) {
  	      var i,
  	        scanner = A.StringScanner$(_this.get$text(), null, null);
  	      for (i = 0; false; ++i)
  	        scanner.readChar$0();
  	      A._scanIdentifier0(scanner);
  	      return A.FileSpanExtension_subspan(_this, 0, scanner._string_scanner$_position);
  	    },
  	    SpanExtensions_between(_this, other) {
  	      if (!J.$eq$(_this.get$sourceUrl(_this), other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$(_this.toString$0(0) + " and " + other.toString$0(0) + " are in different files.", null));
  	      else if (_this.get$end(_this).offset > other.get$start(other).offset)
  	        throw A.wrapException(A.ArgumentError$(_this.toString$0(0) + " isn't before " + other.toString$0(0) + ".", null));
  	      return _this.get$file(_this).span$2(0, _this.get$end(_this).offset, other.get$start(other).offset);
  	    },
  	    SpanExtensions_before(_this, inner) {
  	      if (!J.$eq$(_this.get$sourceUrl(_this), inner.get$sourceUrl(inner)))
  	        throw A.wrapException(A.ArgumentError$(_this.toString$0(0) + " and " + inner.toString$0(0) + " are in different files.", null));
  	      else if (inner.get$start(inner).offset < _this.get$start(_this).offset || inner.get$end(inner).offset > _this.get$end(_this).offset)
  	        throw A.wrapException(A.ArgumentError$(inner.toString$0(0) + " isn't inside " + _this.toString$0(0) + ".", null));
  	      return _this.get$file(_this).span$2(0, _this.get$start(_this).offset, inner.get$start(inner).offset);
  	    },
  	    SpanExtensions_after(_this, inner) {
  	      if (!J.$eq$(_this.get$sourceUrl(_this), inner.get$sourceUrl(inner)))
  	        throw A.wrapException(A.ArgumentError$(_this.toString$0(0) + " and " + inner.toString$0(0) + " are in different files.", null));
  	      else if (inner.get$start(inner).offset < _this.get$start(_this).offset || inner.get$end(inner).offset > _this.get$end(_this).offset)
  	        throw A.wrapException(A.ArgumentError$(inner.toString$0(0) + " isn't inside " + _this.toString$0(0) + ".", null));
  	      return _this.get$file(_this).span$2(0, inner.get$end(inner).offset, _this.get$end(_this).offset);
  	    },
  	    _scanIdentifier0(scanner) {
  	      var t1, _0_0, t2;
  	      for (t1 = scanner.string.length; scanner._string_scanner$_position !== t1;) {
  	        _0_0 = scanner.peekChar$0();
  	        if (92 === _0_0) {
  	          A.consumeEscapedCharacter0(scanner);
  	          continue;
  	        }
  	        if (A._isInt(_0_0)) {
  	          if (_0_0 !== 95) {
  	            if (!(_0_0 >= 97 && _0_0 <= 122))
  	              t2 = _0_0 >= 65 && _0_0 <= 90;
  	            else
  	              t2 = true;
  	            t2 = t2 || _0_0 >= 128;
  	          } else
  	            t2 = true;
  	          if (!t2)
  	            t2 = _0_0 >= 48 && _0_0 <= 57 || _0_0 === 45;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          scanner.readChar$0();
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    validateUrlScheme(scheme) {
  	      var t1 = $.$get$_urlSchemeRegExp();
  	      if (!t1._nativeRegExp.test(scheme))
  	        A.jsThrow(new self.Error('"' + scheme + '" isn\'t a valid URL scheme (for example "file").'));
  	    },
  	    hueToRgb0(m1, m2, hue) {
  	      var t1;
  	      if (hue < 0)
  	        ++hue;
  	      if (hue > 1)
  	        --hue;
  	      $label0$0: {
  	        if (hue < 0.16666666666666666) {
  	          t1 = m1 + (m2 - m1) * hue * 6;
  	          break $label0$0;
  	        }
  	        if (hue < 0.5) {
  	          t1 = m2;
  	          break $label0$0;
  	        }
  	        if (hue < 0.6666666666666666) {
  	          t1 = m1 + (m2 - m1) * (0.6666666666666666 - hue) * 6;
  	          break $label0$0;
  	        }
  	        t1 = m1;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    srgbAndDisplayP3ToLinear0(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.04045 ? channel / 12.92 : J.get$sign$in(channel) * Math.pow((abs + 0.055) / 1.055, 2.4);
  	    },
  	    srgbAndDisplayP3FromLinear0(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.0031308 ? channel * 12.92 : J.get$sign$in(channel) * (1.055 * Math.pow(abs, 0.4166666666666667) - 0.055);
  	    },
  	    labToLch0(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var t3, t4, chroma, hue,
  	        t1 = a == null,
  	        t2 = t1 ? 0 : a;
  	      t2 = Math.pow(t2, 2);
  	      t3 = b == null;
  	      t4 = t3 ? 0 : b;
  	      chroma = Math.sqrt(t2 + Math.pow(t4, 2));
  	      if (missingHue || A.fuzzyEquals0(chroma, 0))
  	        hue = null;
  	      else {
  	        t2 = t3 ? 0 : b;
  	        t1 = t1 ? 0 : a;
  	        hue = Math.atan2(t2, t1) * 180 / 3.141592653589793;
  	      }
  	      t1 = missingChroma ? null : chroma;
  	      return A.SassColor_SassColor$forSpaceInternal0(dest, lightness, t1, hue == null || hue >= 0 ? hue : hue + 360, alpha);
  	    },
  	    unwrapValue(object) {
  	      var value;
  	      if (object != null) {
  	        if (object instanceof A.Value0)
  	          return object;
  	        value = object.dartValue;
  	        if (value != null && value instanceof A.Value0)
  	          return value;
  	        if (object instanceof self.Error)
  	          throw A.wrapException(object);
  	      }
  	      throw A.wrapException(A.S(object) + " must be a Sass value type.");
  	    },
  	    wrapValue(value) {
  	      var t1;
  	      $label0$0: {
  	        if (value instanceof A.SassColor0) {
  	          t1 = A.callConstructor($.$get$legacyColorClass(), [null, null, null, null, value]);
  	          break $label0$0;
  	        }
  	        if (value instanceof A.SassList0) {
  	          t1 = A.callConstructor($.$get$legacyListClass(), [null, null, value]);
  	          break $label0$0;
  	        }
  	        if (value instanceof A.SassMap0) {
  	          t1 = A.callConstructor($.$get$legacyMapClass(), [null, value]);
  	          break $label0$0;
  	        }
  	        if (value instanceof A.SassNumber0) {
  	          t1 = A.callConstructor($.$get$legacyNumberClass(), [null, null, value]);
  	          break $label0$0;
  	        }
  	        if (value instanceof A.SassString0) {
  	          t1 = A.callConstructor($.$get$legacyStringClass(), [null, value]);
  	          break $label0$0;
  	        }
  	        t1 = value;
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  },
  	  B = {};
  	  var holders = [A, J, B];
  	  var $ = {};
  	  A.JS_CONST.prototype = {};
  	  J.Interceptor.prototype = {
  	    $eq(receiver, other) {
  	      return receiver === other;
  	    },
  	    get$hashCode(receiver) {
  	      return A.Primitives_objectHashCode(receiver);
  	    },
  	    toString$0(receiver) {
  	      return "Instance of '" + A.Primitives_objectTypeName(receiver) + "'";
  	    },
  	    noSuchMethod$1(receiver, invocation) {
  	      throw A.wrapException(A.NoSuchMethodError_NoSuchMethodError$withInvocation(receiver, invocation));
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(A._instanceTypeFromConstructor(this));
  	    }
  	  };
  	  J.JSBool.prototype = {
  	    toString$0(receiver) {
  	      return String(receiver);
  	    },
  	    $or(receiver, other) {
  	      return other || receiver;
  	    },
  	    get$hashCode(receiver) {
  	      return receiver ? 519018 : 218159;
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.bool);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isbool: 1
  	  };
  	  J.JSNull.prototype = {
  	    $eq(receiver, other) {
  	      return null == other;
  	    },
  	    toString$0(receiver) {
  	      return "null";
  	    },
  	    get$hashCode(receiver) {
  	      return 0;
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.Null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isNull: 1
  	  };
  	  J.JavaScriptObject.prototype = {$isJSObject: 1};
  	  J.LegacyJavaScriptObject.prototype = {
  	    get$hashCode(receiver) {
  	      return 0;
  	    },
  	    toString$0(receiver) {
  	      return String(receiver);
  	    },
  	    $isPromise: 1,
  	    $isJsSystemError: 1,
  	    $isImmutableList: 1,
  	    $is_ConstructionOptions: 1,
  	    $is_ChannelOptions: 1,
  	    $is_ToGamutOptions: 1,
  	    $is_InterpolationOptions: 1,
  	    $is_NodeSassColor: 1,
  	    $isCompileOptions: 1,
  	    $isCompileStringOptions: 1,
  	    $isNodeCompileResult: 1,
  	    $isDeprecation1: 1,
  	    $is_NodeException: 1,
  	    $isJSExpressionVisitorObject: 1,
  	    $isFiber: 1,
  	    $isJSFunction0: 1,
  	    $isJSIfConditionExpressionVisitorObject: 1,
  	    $isImmutableList0: 1,
  	    $isImmutableMap0: 1,
  	    $isJSImporter: 1,
  	    $isJSImporterResult: 1,
  	    $isNodeImporterResult0: 1,
  	    $is_ConstructorOptions: 1,
  	    $is_NodeSassList: 1,
  	    $isWarnOptions: 1,
  	    $isDebugOptions: 1,
  	    $is_NodeSassMap: 1,
  	    $is_ConstructorOptions0: 1,
  	    $is_NodeSassNumber: 1,
  	    $isParserExports: 1,
  	    $isJSClass0: 1,
  	    $isRenderContextOptions0: 1,
  	    $isRenderOptions: 1,
  	    $isRenderResult: 1,
  	    $isJSSet: 1,
  	    $isJSSimpleSelectorVisitorObject: 1,
  	    $isJSStatementVisitorObject: 1,
  	    $is_ConstructorOptions1: 1,
  	    $is_NodeSassString: 1,
  	    $isJSUrl0: 1,
  	    get$isTTY(obj) {
  	      return obj.isTTY;
  	    },
  	    get$write(obj) {
  	      return obj.write;
  	    },
  	    write$1(receiver, p0) {
  	      return receiver.write(p0);
  	    },
  	    createInterface$1(receiver, p0) {
  	      return receiver.createInterface(p0);
  	    },
  	    on$2(receiver, p0, p1) {
  	      return receiver.on(p0, p1);
  	    },
  	    get$close(obj) {
  	      return obj.close;
  	    },
  	    close$0(receiver) {
  	      return receiver.close();
  	    },
  	    setPrompt$1(receiver, p0) {
  	      return receiver.setPrompt(p0);
  	    },
  	    get$length(obj) {
  	      return obj.length;
  	    },
  	    toString$0(receiver) {
  	      return receiver.toString();
  	    },
  	    get$debug(obj) {
  	      return obj.debug;
  	    },
  	    debug$2(receiver, p0, p1) {
  	      return receiver.debug(p0, p1);
  	    },
  	    get$error(obj) {
  	      return obj.error;
  	    },
  	    error$1(receiver, p0) {
  	      return receiver.error(p0);
  	    },
  	    error$2(receiver, p0, p1) {
  	      return receiver.error(p0, p1);
  	    },
  	    log$1(receiver, p0) {
  	      return receiver.log(p0);
  	    },
  	    get$warn(obj) {
  	      return obj.warn;
  	    },
  	    warn$1(receiver, p0) {
  	      return receiver.warn(p0);
  	    },
  	    warn$2(receiver, p0, p1) {
  	      return receiver.warn(p0, p1);
  	    },
  	    existsSync$1(receiver, p0) {
  	      return receiver.existsSync(p0);
  	    },
  	    lstatSync$1(receiver, p0) {
  	      return receiver.lstatSync(p0);
  	    },
  	    mkdirSync$1(receiver, p0) {
  	      return receiver.mkdirSync(p0);
  	    },
  	    readdirSync$1(receiver, p0) {
  	      return receiver.readdirSync(p0);
  	    },
  	    readFileSync$2(receiver, p0, p1) {
  	      return receiver.readFileSync(p0, p1);
  	    },
  	    get$realpathSync(obj) {
  	      return obj.realpathSync;
  	    },
  	    statSync$1(receiver, p0) {
  	      return receiver.statSync(p0);
  	    },
  	    unlinkSync$1(receiver, p0) {
  	      return receiver.unlinkSync(p0);
  	    },
  	    watch$2(receiver, p0, p1) {
  	      return receiver.watch(p0, p1);
  	    },
  	    writeFileSync$2(receiver, p0, p1) {
  	      return receiver.writeFileSync(p0, p1);
  	    },
  	    call$1(receiver, p0) {
  	      return receiver.call(p0);
  	    },
  	    call$2(receiver, p0, p1) {
  	      return receiver.call(p0, p1);
  	    },
  	    call$3$1(receiver, p0) {
  	      return receiver.call(p0);
  	    },
  	    call$2$1(receiver, p0) {
  	      return receiver.call(p0);
  	    },
  	    call$1$1(receiver, p0) {
  	      return receiver.call(p0);
  	    },
  	    call$3(receiver, p0, p1, p2) {
  	      return receiver.call(p0, p1, p2);
  	    },
  	    call$3$3(receiver, p0, p1, p2) {
  	      return receiver.call(p0, p1, p2);
  	    },
  	    call$2$2(receiver, p0, p1) {
  	      return receiver.call(p0, p1);
  	    },
  	    call$1$2(receiver, p0, p1) {
  	      return receiver.call(p0, p1);
  	    },
  	    call$2$3(receiver, p0, p1, p2) {
  	      return receiver.call(p0, p1, p2);
  	    },
  	    native$1(receiver, p0) {
  	      return receiver.native(p0);
  	    },
  	    get$path(obj) {
  	      return obj.path;
  	    },
  	    isDirectory$0(receiver) {
  	      return receiver.isDirectory();
  	    },
  	    isFile$0(receiver) {
  	      return receiver.isFile();
  	    },
  	    isSymbolicLink$0(receiver) {
  	      return receiver.isSymbolicLink();
  	    },
  	    get$mtime(obj) {
  	      return obj.mtime;
  	    },
  	    then$2(receiver, p0, p1) {
  	      return receiver.then(p0, p1);
  	    },
  	    then$1$1(receiver, p0) {
  	      return receiver.then(p0);
  	    },
  	    getTime$0(receiver) {
  	      return receiver.getTime();
  	    },
  	    get$message(obj) {
  	      return obj.message;
  	    },
  	    message$1(receiver, p0) {
  	      return receiver.message(p0);
  	    },
  	    get$filename(obj) {
  	      return obj.filename;
  	    },
  	    get$id(obj) {
  	      return obj.id;
  	    },
  	    get$code(obj) {
  	      return obj.code;
  	    },
  	    get$syscall(obj) {
  	      return obj.syscall;
  	    },
  	    get$argv(obj) {
  	      return obj.argv;
  	    },
  	    get$env(obj) {
  	      return obj.env;
  	    },
  	    get$exitCode(obj) {
  	      return obj.exitCode;
  	    },
  	    set$exitCode(obj, v) {
  	      return obj.exitCode = v;
  	    },
  	    get$platform(obj) {
  	      return obj.platform;
  	    },
  	    get$release(obj) {
  	      return obj.release;
  	    },
  	    get$stderr(obj) {
  	      return obj.stderr;
  	    },
  	    get$stdin(obj) {
  	      return obj.stdin;
  	    },
  	    get$stdout(obj) {
  	      return obj.stdout;
  	    },
  	    get$name(obj) {
  	      return obj.name;
  	    },
  	    push$1(receiver, p0) {
  	      return receiver.push(p0);
  	    },
  	    call$0(receiver) {
  	      return receiver.call();
  	    },
  	    call$2$0(receiver) {
  	      return receiver.call();
  	    },
  	    call$1$0(receiver) {
  	      return receiver.call();
  	    },
  	    apply$2(receiver, p0, p1) {
  	      return receiver.apply(p0, p1);
  	    },
  	    toArray$0(receiver) {
  	      return receiver.toArray();
  	    },
  	    asMutable$0(receiver) {
  	      return receiver.asMutable();
  	    },
  	    asImmutable$0(receiver) {
  	      return receiver.asImmutable();
  	    },
  	    $set$2(receiver, p0, p1) {
  	      return receiver.set(p0, p1);
  	    },
  	    forEach$1(receiver, p0) {
  	      return receiver.forEach(p0);
  	    },
  	    get$file(obj) {
  	      return obj.file;
  	    },
  	    get$contents(obj) {
  	      return obj.contents;
  	    },
  	    get$options(obj) {
  	      return obj.options;
  	    },
  	    get$data(obj) {
  	      return obj.data;
  	    },
  	    get$includePaths(obj) {
  	      return obj.includePaths;
  	    },
  	    get$style(obj) {
  	      return obj.style;
  	    },
  	    get$indentType(obj) {
  	      return obj.indentType;
  	    },
  	    get$indentWidth(obj) {
  	      return obj.indentWidth;
  	    },
  	    get$linefeed(obj) {
  	      return obj.linefeed;
  	    },
  	    set$context(obj, v) {
  	      return obj.context = v;
  	    },
  	    createRequire$1(receiver, p0) {
  	      return receiver.createRequire(p0);
  	    },
  	    resolve$1(receiver, p0) {
  	      return receiver.resolve(p0);
  	    },
  	    get$$prototype(obj) {
  	      return obj.prototype;
  	    },
  	    get$red(obj) {
  	      return obj.red;
  	    },
  	    get$green(obj) {
  	      return obj.green;
  	    },
  	    get$blue(obj) {
  	      return obj.blue;
  	    },
  	    get$hue(obj) {
  	      return obj.hue;
  	    },
  	    get$saturation(obj) {
  	      return obj.saturation;
  	    },
  	    get$lightness(obj) {
  	      return obj.lightness;
  	    },
  	    get$whiteness(obj) {
  	      return obj.whiteness;
  	    },
  	    get$blackness(obj) {
  	      return obj.blackness;
  	    },
  	    get$alpha(obj) {
  	      return obj.alpha;
  	    },
  	    get$a(obj) {
  	      return obj.a;
  	    },
  	    get$b(obj) {
  	      return obj.b;
  	    },
  	    get$x(obj) {
  	      return obj.x;
  	    },
  	    get$y(obj) {
  	      return obj.y;
  	    },
  	    get$z(obj) {
  	      return obj.z;
  	    },
  	    get$chroma(obj) {
  	      return obj.chroma;
  	    },
  	    get$space(obj) {
  	      return obj.space;
  	    },
  	    get$method(obj) {
  	      return obj.method;
  	    },
  	    get$weight(obj) {
  	      return obj.weight;
  	    },
  	    get$dartValue(obj) {
  	      return obj.dartValue;
  	    },
  	    set$dartValue(obj, v) {
  	      return obj.dartValue = v;
  	    },
  	    get$alertAscii(obj) {
  	      return obj.alertAscii;
  	    },
  	    get$alertColor(obj) {
  	      return obj.alertColor;
  	    },
  	    get$loadPaths(obj) {
  	      return obj.loadPaths;
  	    },
  	    get$quietDeps(obj) {
  	      return obj.quietDeps;
  	    },
  	    get$verbose(obj) {
  	      return obj.verbose;
  	    },
  	    get$charset(obj) {
  	      return obj.charset;
  	    },
  	    get$sourceMap(obj) {
  	      return obj.sourceMap;
  	    },
  	    get$sourceMapIncludeSources(obj) {
  	      return obj.sourceMapIncludeSources;
  	    },
  	    get$logger(obj) {
  	      return obj.logger;
  	    },
  	    get$importers(obj) {
  	      return obj.importers;
  	    },
  	    get$functions(obj) {
  	      return obj.functions;
  	    },
  	    get$fatalDeprecations(obj) {
  	      return obj.fatalDeprecations;
  	    },
  	    get$silenceDeprecations(obj) {
  	      return obj.silenceDeprecations;
  	    },
  	    get$futureDeprecations(obj) {
  	      return obj.futureDeprecations;
  	    },
  	    get$syntax(obj) {
  	      return obj.syntax;
  	    },
  	    get$url(obj) {
  	      return obj.url;
  	    },
  	    get$importer(obj) {
  	      return obj.importer;
  	    },
  	    get$_dartException(obj) {
  	      return obj._dartException;
  	    },
  	    set$renderSync(obj, v) {
  	      return obj.renderSync = v;
  	    },
  	    set$compileString(obj, v) {
  	      return obj.compileString = v;
  	    },
  	    set$compileStringAsync(obj, v) {
  	      return obj.compileStringAsync = v;
  	    },
  	    set$compile(obj, v) {
  	      return obj.compile = v;
  	    },
  	    set$compileAsync(obj, v) {
  	      return obj.compileAsync = v;
  	    },
  	    set$initCompiler(obj, v) {
  	      return obj.initCompiler = v;
  	    },
  	    set$initAsyncCompiler(obj, v) {
  	      return obj.initAsyncCompiler = v;
  	    },
  	    set$Compiler(obj, v) {
  	      return obj.Compiler = v;
  	    },
  	    set$AsyncCompiler(obj, v) {
  	      return obj.AsyncCompiler = v;
  	    },
  	    set$info(obj, v) {
  	      return obj.info = v;
  	    },
  	    set$Exception(obj, v) {
  	      return obj.Exception = v;
  	    },
  	    set$Logger(obj, v) {
  	      return obj.Logger = v;
  	    },
  	    set$NodePackageImporter(obj, v) {
  	      return obj.NodePackageImporter = v;
  	    },
  	    set$deprecations(obj, v) {
  	      return obj.deprecations = v;
  	    },
  	    set$Version(obj, v) {
  	      return obj.Version = v;
  	    },
  	    set$Value(obj, v) {
  	      return obj.Value = v;
  	    },
  	    set$SassArgumentList(obj, v) {
  	      return obj.SassArgumentList = v;
  	    },
  	    set$SassCalculation(obj, v) {
  	      return obj.SassCalculation = v;
  	    },
  	    set$CalculationOperation(obj, v) {
  	      return obj.CalculationOperation = v;
  	    },
  	    set$CalculationInterpolation(obj, v) {
  	      return obj.CalculationInterpolation = v;
  	    },
  	    set$SassBoolean(obj, v) {
  	      return obj.SassBoolean = v;
  	    },
  	    set$SassColor(obj, v) {
  	      return obj.SassColor = v;
  	    },
  	    set$SassFunction(obj, v) {
  	      return obj.SassFunction = v;
  	    },
  	    set$SassMixin(obj, v) {
  	      return obj.SassMixin = v;
  	    },
  	    set$SassList(obj, v) {
  	      return obj.SassList = v;
  	    },
  	    set$SassMap(obj, v) {
  	      return obj.SassMap = v;
  	    },
  	    set$SassNumber(obj, v) {
  	      return obj.SassNumber = v;
  	    },
  	    set$SassString(obj, v) {
  	      return obj.SassString = v;
  	    },
  	    set$sassNull(obj, v) {
  	      return obj.sassNull = v;
  	    },
  	    set$sassTrue(obj, v) {
  	      return obj.sassTrue = v;
  	    },
  	    set$sassFalse(obj, v) {
  	      return obj.sassFalse = v;
  	    },
  	    set$render(obj, v) {
  	      return obj.render = v;
  	    },
  	    set$types(obj, v) {
  	      return obj.types = v;
  	    },
  	    set$NULL(obj, v) {
  	      return obj.NULL = v;
  	    },
  	    set$TRUE(obj, v) {
  	      return obj.TRUE = v;
  	    },
  	    set$FALSE(obj, v) {
  	      return obj.FALSE = v;
  	    },
  	    set$loadParserExports_(obj, v) {
  	      return obj.loadParserExports_ = v;
  	    },
  	    visitBinaryOperationExpression$1(receiver, p0) {
  	      return receiver.visitBinaryOperationExpression(p0);
  	    },
  	    visitBooleanExpression$1(receiver, p0) {
  	      return receiver.visitBooleanExpression(p0);
  	    },
  	    visitColorExpression$1(receiver, p0) {
  	      return receiver.visitColorExpression(p0);
  	    },
  	    visitInterpolatedFunctionExpression$1(receiver, p0) {
  	      return receiver.visitInterpolatedFunctionExpression(p0);
  	    },
  	    visitFunctionExpression$1(receiver, p0) {
  	      return receiver.visitFunctionExpression(p0);
  	    },
  	    visitIfExpression$1(receiver, p0) {
  	      return receiver.visitIfExpression(p0);
  	    },
  	    visitLegacyIfExpression$1(receiver, p0) {
  	      return receiver.visitLegacyIfExpression(p0);
  	    },
  	    visitListExpression$1(receiver, p0) {
  	      return receiver.visitListExpression(p0);
  	    },
  	    visitMapExpression$1(receiver, p0) {
  	      return receiver.visitMapExpression(p0);
  	    },
  	    visitNullExpression$1(receiver, p0) {
  	      return receiver.visitNullExpression(p0);
  	    },
  	    visitNumberExpression$1(receiver, p0) {
  	      return receiver.visitNumberExpression(p0);
  	    },
  	    visitParenthesizedExpression$1(receiver, p0) {
  	      return receiver.visitParenthesizedExpression(p0);
  	    },
  	    visitSelectorExpression$1(receiver, p0) {
  	      return receiver.visitSelectorExpression(p0);
  	    },
  	    visitStringExpression$1(receiver, p0) {
  	      return receiver.visitStringExpression(p0);
  	    },
  	    visitSupportsExpression$1(receiver, p0) {
  	      return receiver.visitSupportsExpression(p0);
  	    },
  	    visitUnaryOperationExpression$1(receiver, p0) {
  	      return receiver.visitUnaryOperationExpression(p0);
  	    },
  	    visitValueExpression$1(receiver, p0) {
  	      return receiver.visitValueExpression(p0);
  	    },
  	    visitVariableExpression$1(receiver, p0) {
  	      return receiver.visitVariableExpression(p0);
  	    },
  	    get$current(obj) {
  	      return obj.current;
  	    },
  	    yield$0(receiver) {
  	      return receiver.yield();
  	    },
  	    run$1$1(receiver, p0) {
  	      return receiver.run(p0);
  	    },
  	    run$1(receiver, p0) {
  	      return receiver.run(p0);
  	    },
  	    run$0(receiver) {
  	      return receiver.run();
  	    },
  	    visitIfConditionParenthesized$1(receiver, p0) {
  	      return receiver.visitIfConditionParenthesized(p0);
  	    },
  	    visitIfConditionNegation$1(receiver, p0) {
  	      return receiver.visitIfConditionNegation(p0);
  	    },
  	    visitIfConditionOperation$1(receiver, p0) {
  	      return receiver.visitIfConditionOperation(p0);
  	    },
  	    visitIfConditionFunction$1(receiver, p0) {
  	      return receiver.visitIfConditionFunction(p0);
  	    },
  	    visitIfConditionSass$1(receiver, p0) {
  	      return receiver.visitIfConditionSass(p0);
  	    },
  	    visitIfConditionRaw$1(receiver, p0) {
  	      return receiver.visitIfConditionRaw(p0);
  	    },
  	    get$canonicalize(obj) {
  	      return obj.canonicalize;
  	    },
  	    canonicalize$1(receiver, p0) {
  	      return receiver.canonicalize(p0);
  	    },
  	    get$load(obj) {
  	      return obj.load;
  	    },
  	    load$1(receiver, p0) {
  	      return receiver.load(p0);
  	    },
  	    get$findFileUrl(obj) {
  	      return obj.findFileUrl;
  	    },
  	    get$nonCanonicalScheme(obj) {
  	      return obj.nonCanonicalScheme;
  	    },
  	    get$sourceMapUrl(obj) {
  	      return obj.sourceMapUrl;
  	    },
  	    get$separator(obj) {
  	      return obj.separator;
  	    },
  	    get$brackets(obj) {
  	      return obj.brackets;
  	    },
  	    get$span(obj) {
  	      return obj.span;
  	    },
  	    span$1(receiver, p0) {
  	      return receiver.span(p0);
  	    },
  	    get$numeratorUnits(obj) {
  	      return obj.numeratorUnits;
  	    },
  	    get$denominatorUnits(obj) {
  	      return obj.denominatorUnits;
  	    },
  	    get$pkgImporter(obj) {
  	      return obj.pkgImporter;
  	    },
  	    get$indentedSyntax(obj) {
  	      return obj.indentedSyntax;
  	    },
  	    get$omitSourceMapUrl(obj) {
  	      return obj.omitSourceMapUrl;
  	    },
  	    get$outFile(obj) {
  	      return obj.outFile;
  	    },
  	    get$outputStyle(obj) {
  	      return obj.outputStyle;
  	    },
  	    get$fiber(obj) {
  	      return obj.fiber;
  	    },
  	    get$sourceMapContents(obj) {
  	      return obj.sourceMapContents;
  	    },
  	    get$sourceMapEmbed(obj) {
  	      return obj.sourceMapEmbed;
  	    },
  	    get$sourceMapRoot(obj) {
  	      return obj.sourceMapRoot;
  	    },
  	    set$cli_pkg_main_0_(obj, v) {
  	      return obj.cli_pkg_main_0_ = v;
  	    },
  	    visitAttributeSelector$1(receiver, p0) {
  	      return receiver.visitAttributeSelector(p0);
  	    },
  	    visitClassSelector$1(receiver, p0) {
  	      return receiver.visitClassSelector(p0);
  	    },
  	    visitIDSelector$1(receiver, p0) {
  	      return receiver.visitIDSelector(p0);
  	    },
  	    visitParentSelector$1(receiver, p0) {
  	      return receiver.visitParentSelector(p0);
  	    },
  	    visitPlaceholderSelector$1(receiver, p0) {
  	      return receiver.visitPlaceholderSelector(p0);
  	    },
  	    visitPseudoSelector$1(receiver, p0) {
  	      return receiver.visitPseudoSelector(p0);
  	    },
  	    visitTypeSelector$1(receiver, p0) {
  	      return receiver.visitTypeSelector(p0);
  	    },
  	    visitUniversalSelector$1(receiver, p0) {
  	      return receiver.visitUniversalSelector(p0);
  	    },
  	    visitAtRootRule$1(receiver, p0) {
  	      return receiver.visitAtRootRule(p0);
  	    },
  	    visitAtRule$1(receiver, p0) {
  	      return receiver.visitAtRule(p0);
  	    },
  	    get$visitContentBlock(obj) {
  	      return obj.visitContentBlock;
  	    },
  	    visitContentBlock$1(receiver, p0) {
  	      return receiver.visitContentBlock(p0);
  	    },
  	    visitContentRule$1(receiver, p0) {
  	      return receiver.visitContentRule(p0);
  	    },
  	    visitDebugRule$1(receiver, p0) {
  	      return receiver.visitDebugRule(p0);
  	    },
  	    visitDeclaration$1(receiver, p0) {
  	      return receiver.visitDeclaration(p0);
  	    },
  	    visitEachRule$1(receiver, p0) {
  	      return receiver.visitEachRule(p0);
  	    },
  	    visitErrorRule$1(receiver, p0) {
  	      return receiver.visitErrorRule(p0);
  	    },
  	    visitExtendRule$1(receiver, p0) {
  	      return receiver.visitExtendRule(p0);
  	    },
  	    visitForRule$1(receiver, p0) {
  	      return receiver.visitForRule(p0);
  	    },
  	    visitForwardRule$1(receiver, p0) {
  	      return receiver.visitForwardRule(p0);
  	    },
  	    visitFunctionRule$1(receiver, p0) {
  	      return receiver.visitFunctionRule(p0);
  	    },
  	    visitIfRule$1(receiver, p0) {
  	      return receiver.visitIfRule(p0);
  	    },
  	    visitImportRule$1(receiver, p0) {
  	      return receiver.visitImportRule(p0);
  	    },
  	    visitIncludeRule$1(receiver, p0) {
  	      return receiver.visitIncludeRule(p0);
  	    },
  	    visitLoudComment$1(receiver, p0) {
  	      return receiver.visitLoudComment(p0);
  	    },
  	    visitMediaRule$1(receiver, p0) {
  	      return receiver.visitMediaRule(p0);
  	    },
  	    visitMixinRule$1(receiver, p0) {
  	      return receiver.visitMixinRule(p0);
  	    },
  	    visitReturnRule$1(receiver, p0) {
  	      return receiver.visitReturnRule(p0);
  	    },
  	    visitSilentComment$1(receiver, p0) {
  	      return receiver.visitSilentComment(p0);
  	    },
  	    visitStyleRule$1(receiver, p0) {
  	      return receiver.visitStyleRule(p0);
  	    },
  	    visitStylesheet$1(receiver, p0) {
  	      return receiver.visitStylesheet(p0);
  	    },
  	    visitSupportsRule$1(receiver, p0) {
  	      return receiver.visitSupportsRule(p0);
  	    },
  	    visitUseRule$1(receiver, p0) {
  	      return receiver.visitUseRule(p0);
  	    },
  	    visitVariableDeclaration$1(receiver, p0) {
  	      return receiver.visitVariableDeclaration(p0);
  	    },
  	    visitWarnRule$1(receiver, p0) {
  	      return receiver.visitWarnRule(p0);
  	    },
  	    visitWhileRule$1(receiver, p0) {
  	      return receiver.visitWhileRule(p0);
  	    },
  	    get$quotes(obj) {
  	      return obj.quotes;
  	    }
  	  };
  	  J.PlainJavaScriptObject.prototype = {};
  	  J.UnknownJavaScriptObject.prototype = {};
  	  J.JavaScriptFunction.prototype = {
  	    toString$0(receiver) {
  	      var dartClosure = receiver[$.$get$DART_CLOSURE_PROPERTY_NAME()];
  	      if (dartClosure == null)
  	        return this.super$LegacyJavaScriptObject$toString(receiver);
  	      return "JavaScript function for " + A.S(J.toString$0$(dartClosure));
  	    },
  	    $isFunction: 1
  	  };
  	  J.JavaScriptBigInt.prototype = {
  	    get$hashCode(receiver) {
  	      return 0;
  	    },
  	    toString$0(receiver) {
  	      return String(receiver);
  	    }
  	  };
  	  J.JavaScriptSymbol.prototype = {
  	    get$hashCode(receiver) {
  	      return 0;
  	    },
  	    toString$0(receiver) {
  	      return String(receiver);
  	    }
  	  };
  	  J.JSArray.prototype = {
  	    cast$1$0(receiver, $R) {
  	      return new A.CastList(receiver, A._arrayInstanceType(receiver)._eval$1("@<1>")._bind$1($R)._eval$1("CastList<1,2>"));
  	    },
  	    add$1(receiver, value) {
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, 29);
  	      receiver.push(value);
  	    },
  	    removeAt$1(receiver, index) {
  	      var t1;
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "removeAt", 1);
  	      t1 = receiver.length;
  	      if (index >= t1)
  	        throw A.wrapException(A.RangeError$value(index, null, null));
  	      return receiver.splice(index, 1)[0];
  	    },
  	    insert$2(receiver, index, value) {
  	      var t1;
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "insert", 2);
  	      t1 = receiver.length;
  	      if (index > t1)
  	        throw A.wrapException(A.RangeError$value(index, null, null));
  	      receiver.splice(index, 0, value);
  	    },
  	    insertAll$2(receiver, index, iterable) {
  	      var insertionLength, end;
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "insertAll", 2);
  	      A.RangeError_checkValueInInterval(index, 0, receiver.length, "index");
  	      if (!type$.EfficientLengthIterable_dynamic._is(iterable))
  	        iterable = J.toList$0$ax(iterable);
  	      insertionLength = J.get$length$asx(iterable);
  	      receiver.length = receiver.length + insertionLength;
  	      end = index + insertionLength;
  	      this.setRange$4(receiver, end, receiver.length, receiver, index);
  	      this.setRange$3(receiver, index, end, iterable);
  	    },
  	    removeLast$0(receiver) {
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "removeLast", 1);
  	      if (receiver.length === 0)
  	        throw A.wrapException(A.diagnoseIndexError(receiver, -1));
  	      return receiver.pop();
  	    },
  	    _removeWhere$2(receiver, test, removeMatching) {
  	      var i, element, t1, retained = [],
  	        end = receiver.length;
  	      for (i = 0; i < end; ++i) {
  	        element = receiver[i];
  	        if (!test.call$1(element))
  	          retained.push(element);
  	        if (receiver.length !== end)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      t1 = retained.length;
  	      if (t1 === end)
  	        return;
  	      this.set$length(receiver, t1);
  	      for (i = 0; i < retained.length; ++i)
  	        receiver[i] = retained[i];
  	    },
  	    where$1(receiver, f) {
  	      return new A.WhereIterable(receiver, f, A._arrayInstanceType(receiver)._eval$1("WhereIterable<1>"));
  	    },
  	    expand$1$1(receiver, f, $T) {
  	      return new A.ExpandIterable(receiver, f, A._arrayInstanceType(receiver)._eval$1("@<1>")._bind$1($T)._eval$1("ExpandIterable<1,2>"));
  	    },
  	    addAll$1(receiver, collection) {
  	      var t1;
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "addAll", 2);
  	      if (Array.isArray(collection)) {
  	        this._addAllFromArray$1(receiver, collection);
  	        return;
  	      }
  	      for (t1 = J.get$iterator$ax(collection); t1.moveNext$0();)
  	        receiver.push(t1.get$current(t1));
  	    },
  	    _addAllFromArray$1(receiver, array) {
  	      var i,
  	        len = array.length;
  	      if (len === 0)
  	        return;
  	      if (receiver === array)
  	        throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      for (i = 0; i < len; ++i)
  	        receiver.push(array[i]);
  	    },
  	    clear$0(receiver) {
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "clear", "clear");
  	      receiver.length = 0;
  	    },
  	    forEach$1(receiver, f) {
  	      var i,
  	        end = receiver.length;
  	      for (i = 0; i < end; ++i) {
  	        f.call$1(receiver[i]);
  	        if (receiver.length !== end)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	    },
  	    map$1$1(receiver, f, $T) {
  	      return new A.MappedListIterable(receiver, f, A._arrayInstanceType(receiver)._eval$1("@<1>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
  	    },
  	    join$1(receiver, separator) {
  	      var i,
  	        list = A.List_List$filled(receiver.length, "", false, type$.String);
  	      for (i = 0; i < receiver.length; ++i)
  	        list[i] = A.S(receiver[i]);
  	      return list.join(separator);
  	    },
  	    join$0(receiver) {
  	      return this.join$1(receiver, "");
  	    },
  	    take$1(receiver, n) {
  	      return A.SubListIterable$(receiver, 0, A.checkNotNullable(n, "count", type$.int), A._arrayInstanceType(receiver)._precomputed1);
  	    },
  	    skip$1(receiver, n) {
  	      return A.SubListIterable$(receiver, n, null, A._arrayInstanceType(receiver)._precomputed1);
  	    },
  	    fold$1$2(receiver, initialValue, combine) {
  	      var value, i,
  	        $length = receiver.length;
  	      for (value = initialValue, i = 0; i < $length; ++i) {
  	        value = combine.call$2(value, receiver[i]);
  	        if (receiver.length !== $length)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return value;
  	    },
  	    fold$2(receiver, initialValue, combine) {
  	      return this.fold$1$2(receiver, initialValue, combine, type$.dynamic);
  	    },
  	    firstWhere$1(receiver, test) {
  	      var i, element,
  	        end = receiver.length;
  	      for (i = 0; i < end; ++i) {
  	        element = receiver[i];
  	        if (test.call$1(element))
  	          return element;
  	        if (receiver.length !== end)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    elementAt$1(receiver, index) {
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      var end0 = receiver.length;
  	      if (start > end0)
  	        throw A.wrapException(A.RangeError$range(start, 0, end0, "start", null));
  	      if (end == null)
  	        end = end0;
  	      else if (end < start || end > end0)
  	        throw A.wrapException(A.RangeError$range(end, start, end0, "end", null));
  	      if (start === end)
  	        return A._setArrayType([], A._arrayInstanceType(receiver));
  	      return A._setArrayType(receiver.slice(start, end), A._arrayInstanceType(receiver));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    getRange$2(receiver, start, end) {
  	      A.RangeError_checkValidRange(start, end, receiver.length);
  	      return A.SubListIterable$(receiver, start, end, A._arrayInstanceType(receiver)._precomputed1);
  	    },
  	    get$first(receiver) {
  	      if (receiver.length > 0)
  	        return receiver[0];
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    get$last(receiver) {
  	      var t1 = receiver.length;
  	      if (t1 > 0)
  	        return receiver[t1 - 1];
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    get$single(receiver) {
  	      var t1 = receiver.length;
  	      if (t1 === 1)
  	        return receiver[0];
  	      if (t1 === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      throw A.wrapException(A.IterableElementError_tooMany());
  	    },
  	    removeRange$2(receiver, start, end) {
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, 18);
  	      A.RangeError_checkValidRange(start, end, receiver.length);
  	      receiver.splice(start, end - start);
  	    },
  	    setRange$4(receiver, start, end, iterable, skipCount) {
  	      var $length, otherList, otherStart, t1, i;
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, 5);
  	      A.RangeError_checkValidRange(start, end, receiver.length);
  	      $length = end - start;
  	      if ($length === 0)
  	        return;
  	      A.RangeError_checkNotNegative(skipCount, "skipCount");
  	      if (type$.List_dynamic._is(iterable)) {
  	        otherList = iterable;
  	        otherStart = skipCount;
  	      } else {
  	        otherList = J.skip$1$ax(iterable, skipCount).toList$1$growable(0, false);
  	        otherStart = 0;
  	      }
  	      t1 = J.getInterceptor$asx(otherList);
  	      if (otherStart + $length > t1.get$length(otherList))
  	        throw A.wrapException(A.IterableElementError_tooFew());
  	      if (otherStart < start)
  	        for (i = $length - 1; i >= 0; --i)
  	          receiver[start + i] = t1.$index(otherList, otherStart + i);
  	      else
  	        for (i = 0; i < $length; ++i)
  	          receiver[start + i] = t1.$index(otherList, otherStart + i);
  	    },
  	    setRange$3(receiver, start, end, iterable) {
  	      return this.setRange$4(receiver, start, end, iterable, 0);
  	    },
  	    fillRange$3(receiver, start, end, fillValue) {
  	      var i;
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, "fillRange");
  	      A.RangeError_checkValidRange(start, end, receiver.length);
  	      A._arrayInstanceType(receiver)._precomputed1._as(fillValue);
  	      for (i = start; i < end; ++i)
  	        receiver[i] = fillValue;
  	    },
  	    any$1(receiver, test) {
  	      var i,
  	        end = receiver.length;
  	      for (i = 0; i < end; ++i) {
  	        if (test.call$1(receiver[i]))
  	          return true;
  	        if (receiver.length !== end)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return false;
  	    },
  	    every$1(receiver, test) {
  	      var i,
  	        end = receiver.length;
  	      for (i = 0; i < end; ++i) {
  	        if (!test.call$1(receiver[i]))
  	          return false;
  	        if (receiver.length !== end)
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return true;
  	    },
  	    get$reversed(receiver) {
  	      return new A.ReversedListIterable(receiver, A._arrayInstanceType(receiver)._eval$1("ReversedListIterable<1>"));
  	    },
  	    sort$1(receiver, compare) {
  	      var len, a, b, undefineds, i;
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, "sort");
  	      len = receiver.length;
  	      if (len < 2)
  	        return;
  	      if (compare == null)
  	        compare = J._interceptors_JSArray__compareAny$closure();
  	      if (len === 2) {
  	        a = receiver[0];
  	        b = receiver[1];
  	        if (compare.call$2(a, b) > 0) {
  	          receiver[0] = b;
  	          receiver[1] = a;
  	        }
  	        return;
  	      }
  	      undefineds = 0;
  	      if (A._arrayInstanceType(receiver)._precomputed1._is(null))
  	        for (i = 0; i < receiver.length; ++i)
  	          if (receiver[i] === void 0) {
  	            receiver[i] = null;
  	            ++undefineds;
  	          }
  	      receiver.sort(A.convertDartClosureToJS(compare, 2));
  	      if (undefineds > 0)
  	        this._replaceSomeNullsWithUndefined$1(receiver, undefineds);
  	    },
  	    sort$0(receiver) {
  	      return this.sort$1(receiver, null);
  	    },
  	    _replaceSomeNullsWithUndefined$1(receiver, count) {
  	      var i0,
  	        i = receiver.length;
  	      for (; i0 = i - 1, i > 0; i = i0)
  	        if (receiver[i0] === null) {
  	          receiver[i0] = void 0;
  	          --count;
  	          if (count === 0)
  	            break;
  	        }
  	    },
  	    indexOf$1(receiver, element) {
  	      var i,
  	        $length = receiver.length;
  	      if (0 >= $length)
  	        return -1;
  	      for (i = 0; i < $length; ++i)
  	        if (J.$eq$(receiver[i], element))
  	          return i;
  	      return -1;
  	    },
  	    contains$1(receiver, other) {
  	      var i;
  	      for (i = 0; i < receiver.length; ++i)
  	        if (J.$eq$(receiver[i], other))
  	          return true;
  	      return false;
  	    },
  	    get$isEmpty(receiver) {
  	      return receiver.length === 0;
  	    },
  	    get$isNotEmpty(receiver) {
  	      return receiver.length !== 0;
  	    },
  	    toString$0(receiver) {
  	      return A.Iterable_iterableToFullString(receiver, "[", "]");
  	    },
  	    toList$1$growable(receiver, growable) {
  	      var t1 = A._setArrayType(receiver.slice(0), A._arrayInstanceType(receiver));
  	      return t1;
  	    },
  	    toList$0(receiver) {
  	      return this.toList$1$growable(receiver, true);
  	    },
  	    toSet$0(receiver) {
  	      return A.LinkedHashSet_LinkedHashSet$from(receiver, A._arrayInstanceType(receiver)._precomputed1);
  	    },
  	    get$iterator(receiver) {
  	      return new J.ArrayIterator(receiver, receiver.length, A._arrayInstanceType(receiver)._eval$1("ArrayIterator<1>"));
  	    },
  	    get$hashCode(receiver) {
  	      return A.Primitives_objectHashCode(receiver);
  	    },
  	    get$length(receiver) {
  	      return receiver.length;
  	    },
  	    set$length(receiver, newLength) {
  	      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "set length", "change the length of");
  	      if (newLength < 0)
  	        throw A.wrapException(A.RangeError$range(newLength, 0, null, "newLength", null));
  	      if (newLength > receiver.length)
  	        A._arrayInstanceType(receiver)._precomputed1._as(null);
  	      receiver.length = newLength;
  	    },
  	    $index(receiver, index) {
  	      if (!(index >= 0 && index < receiver.length))
  	        throw A.wrapException(A.diagnoseIndexError(receiver, index));
  	      return receiver[index];
  	    },
  	    $indexSet(receiver, index, value) {
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
  	      if (!(index >= 0 && index < receiver.length))
  	        throw A.wrapException(A.diagnoseIndexError(receiver, index));
  	      receiver[index] = value;
  	    },
  	    $add(receiver, other) {
  	      var t1 = A.List_List$_of(receiver, A._arrayInstanceType(receiver)._precomputed1);
  	      this.addAll$1(t1, other);
  	      return t1;
  	    },
  	    indexWhere$1(receiver, test) {
  	      var i;
  	      if (0 >= receiver.length)
  	        return -1;
  	      for (i = 0; i < receiver.length; ++i)
  	        if (test.call$1(receiver[i]))
  	          return i;
  	      return -1;
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isIterable: 1,
  	    $isList: 1
  	  };
  	  J.JSArraySafeToStringHook.prototype = {
  	    tryFormat$1(array) {
  	      var flags, info, base;
  	      if (!Array.isArray(array))
  	        return null;
  	      flags = array.$flags | 0;
  	      if ((flags & 4) !== 0)
  	        info = "const, ";
  	      else if ((flags & 2) !== 0)
  	        info = "unmodifiable, ";
  	      else
  	        info = (flags & 1) !== 0 ? "fixed, " : "";
  	      base = "Instance of '" + A.Primitives_objectTypeName(array) + "'";
  	      if (info === "")
  	        return base;
  	      return base + " (" + info + "length: " + array.length + ")";
  	    }
  	  };
  	  J.JSUnmodifiableArray.prototype = {};
  	  J.ArrayIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this._current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var t2, _this = this,
  	        t1 = _this._iterable,
  	        $length = t1.length;
  	      if (_this._length !== $length)
  	        throw A.wrapException(A.throwConcurrentModificationError(t1));
  	      t2 = _this._index;
  	      if (t2 >= $length) {
  	        _this._current = null;
  	        return false;
  	      }
  	      _this._current = t1[t2];
  	      _this._index = t2 + 1;
  	      return true;
  	    }
  	  };
  	  J.JSNumber.prototype = {
  	    compareTo$1(receiver, b) {
  	      var bIsNegative;
  	      if (receiver < b)
  	        return -1;
  	      else if (receiver > b)
  	        return 1;
  	      else if (receiver === b) {
  	        if (receiver === 0) {
  	          bIsNegative = this.get$isNegative(b);
  	          if (this.get$isNegative(receiver) === bIsNegative)
  	            return 0;
  	          if (this.get$isNegative(receiver))
  	            return -1;
  	          return 1;
  	        }
  	        return 0;
  	      } else if (isNaN(receiver)) {
  	        if (isNaN(b))
  	          return 0;
  	        return 1;
  	      } else
  	        return -1;
  	    },
  	    get$isNegative(receiver) {
  	      return receiver === 0 ? 1 / receiver < 0 : receiver < 0;
  	    },
  	    get$sign(receiver) {
  	      var t1;
  	      if (receiver > 0)
  	        t1 = 1;
  	      else
  	        t1 = receiver < 0 ? -1 : receiver;
  	      return t1;
  	    },
  	    ceil$0(receiver) {
  	      var truncated, d;
  	      if (receiver >= 0) {
  	        if (receiver <= 2147483647) {
  	          truncated = receiver | 0;
  	          return receiver === truncated ? truncated : truncated + 1;
  	        }
  	      } else if (receiver >= -2147483648)
  	        return receiver | 0;
  	      d = Math.ceil(receiver);
  	      if (isFinite(d))
  	        return d;
  	      throw A.wrapException(A.UnsupportedError$("" + receiver + ".ceil()"));
  	    },
  	    floor$0(receiver) {
  	      var truncated, d;
  	      if (receiver >= 0) {
  	        if (receiver <= 2147483647)
  	          return receiver | 0;
  	      } else if (receiver >= -2147483648) {
  	        truncated = receiver | 0;
  	        return receiver === truncated ? truncated : truncated - 1;
  	      }
  	      d = Math.floor(receiver);
  	      if (isFinite(d))
  	        return d;
  	      throw A.wrapException(A.UnsupportedError$("" + receiver + ".floor()"));
  	    },
  	    round$0(receiver) {
  	      if (receiver > 0) {
  	        if (receiver !== 1 / 0)
  	          return Math.round(receiver);
  	      } else if (receiver > -1 / 0)
  	        return 0 - Math.round(0 - receiver);
  	      throw A.wrapException(A.UnsupportedError$("" + receiver + ".round()"));
  	    },
  	    clamp$2(receiver, lowerLimit, upperLimit) {
  	      if (this.compareTo$1(lowerLimit, upperLimit) > 0)
  	        throw A.wrapException(A.argumentErrorValue(lowerLimit));
  	      if (this.compareTo$1(receiver, lowerLimit) < 0)
  	        return lowerLimit;
  	      if (this.compareTo$1(receiver, upperLimit) > 0)
  	        return upperLimit;
  	      return receiver;
  	    },
  	    toRadixString$1(receiver, radix) {
  	      var result, match, exponent, t1;
  	      if (radix < 2 || radix > 36)
  	        throw A.wrapException(A.RangeError$range(radix, 2, 36, "radix", null));
  	      result = receiver.toString(radix);
  	      if (result.charCodeAt(result.length - 1) !== 41)
  	        return result;
  	      match = /^([\da-z]+)(?:\.([\da-z]+))?\(e\+(\d+)\)$/.exec(result);
  	      if (match == null)
  	        A.throwExpression(A.UnsupportedError$("Unexpected toString result: " + result));
  	      result = match[1];
  	      exponent = +match[3];
  	      t1 = match[2];
  	      if (t1 != null) {
  	        result += t1;
  	        exponent -= t1.length;
  	      }
  	      return result + B.JSString_methods.$mul("0", exponent);
  	    },
  	    toString$0(receiver) {
  	      if (receiver === 0 && 1 / receiver < 0)
  	        return "-0.0";
  	      else
  	        return "" + receiver;
  	    },
  	    get$hashCode(receiver) {
  	      var absolute, floorLog2, factor, scaled,
  	        intValue = receiver | 0;
  	      if (receiver === intValue)
  	        return intValue & 536870911;
  	      absolute = Math.abs(receiver);
  	      floorLog2 = Math.log(absolute) / 0.6931471805599453 | 0;
  	      factor = Math.pow(2, floorLog2);
  	      scaled = absolute < 1 ? absolute / factor : factor / absolute;
  	      return ((scaled * 9007199254740992 | 0) + (scaled * 3542243181176521 | 0)) * 599197 + floorLog2 * 1259 & 536870911;
  	    },
  	    $mod(receiver, other) {
  	      var result = receiver % other;
  	      if (result === 0)
  	        return 0;
  	      if (result > 0)
  	        return result;
  	      if (other < 0)
  	        return result - other;
  	      else
  	        return result + other;
  	    },
  	    $tdiv(receiver, other) {
  	      if ((receiver | 0) === receiver)
  	        if (other >= 1 || other < -1)
  	          return receiver / other | 0;
  	      return this._tdivSlow$1(receiver, other);
  	    },
  	    _tdivFast$1(receiver, other) {
  	      return (receiver | 0) === receiver ? receiver / other | 0 : this._tdivSlow$1(receiver, other);
  	    },
  	    _tdivSlow$1(receiver, other) {
  	      var quotient = receiver / other;
  	      if (quotient >= -2147483648 && quotient <= 2147483647)
  	        return quotient | 0;
  	      if (quotient > 0) {
  	        if (quotient !== 1 / 0)
  	          return Math.floor(quotient);
  	      } else if (quotient > -1 / 0)
  	        return Math.ceil(quotient);
  	      throw A.wrapException(A.UnsupportedError$("Result of truncating division is " + A.S(quotient) + ": " + A.S(receiver) + " ~/ " + other));
  	    },
  	    _shrOtherPositive$1(receiver, other) {
  	      var t1;
  	      if (receiver > 0)
  	        t1 = this._shrBothPositive$1(receiver, other);
  	      else {
  	        t1 = other > 31 ? 31 : other;
  	        t1 = receiver >> t1 >>> 0;
  	      }
  	      return t1;
  	    },
  	    _shrReceiverPositive$1(receiver, other) {
  	      if (0 > other)
  	        throw A.wrapException(A.argumentErrorValue(other));
  	      return this._shrBothPositive$1(receiver, other);
  	    },
  	    _shrBothPositive$1(receiver, other) {
  	      return other > 31 ? 0 : receiver >>> other;
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.num);
  	    },
  	    $isComparable: 1,
  	    $isdouble: 1,
  	    $isnum: 1
  	  };
  	  J.JSInt.prototype = {
  	    get$sign(receiver) {
  	      var t1;
  	      if (receiver > 0)
  	        t1 = 1;
  	      else
  	        t1 = receiver < 0 ? -1 : receiver;
  	      return t1;
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.int);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isint: 1
  	  };
  	  J.JSNumNotInt.prototype = {
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.double);
  	    },
  	    $isTrustedGetRuntimeType: 1
  	  };
  	  J.JSString.prototype = {
  	    codeUnitAt$1(receiver, index) {
  	      if (index < 0)
  	        throw A.wrapException(A.diagnoseIndexError(receiver, index));
  	      if (index >= receiver.length)
  	        A.throwExpression(A.diagnoseIndexError(receiver, index));
  	      return receiver.charCodeAt(index);
  	    },
  	    allMatches$2(receiver, string, start) {
  	      var t1 = string.length;
  	      if (start > t1)
  	        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
  	      return new A._StringAllMatchesIterable(string, receiver, start);
  	    },
  	    allMatches$1(receiver, string) {
  	      return this.allMatches$2(receiver, string, 0);
  	    },
  	    matchAsPrefix$2(receiver, string, start) {
  	      var t1, i, _null = null;
  	      if (start < 0 || start > string.length)
  	        throw A.wrapException(A.RangeError$range(start, 0, string.length, _null, _null));
  	      t1 = receiver.length;
  	      if (start + t1 > string.length)
  	        return _null;
  	      for (i = 0; i < t1; ++i)
  	        if (string.charCodeAt(start + i) !== receiver.charCodeAt(i))
  	          return _null;
  	      return new A.StringMatch(start, receiver);
  	    },
  	    $add(receiver, other) {
  	      return receiver + other;
  	    },
  	    endsWith$1(receiver, other) {
  	      var otherLength = other.length,
  	        t1 = receiver.length;
  	      if (otherLength > t1)
  	        return false;
  	      return other === this.substring$1(receiver, t1 - otherLength);
  	    },
  	    replaceFirst$2(receiver, from, to) {
  	      A.RangeError_checkValueInInterval(0, 0, receiver.length, "startIndex");
  	      return A.stringReplaceFirstUnchecked(receiver, from, to, 0);
  	    },
  	    split$1(receiver, pattern) {
  	      var t1;
  	      if (typeof pattern == "string")
  	        return A._setArrayType(receiver.split(pattern), type$.JSArray_String);
  	      else {
  	        if (pattern instanceof A.JSSyntaxRegExp) {
  	          t1 = pattern._hasCapturesCache;
  	          t1 = !(t1 == null ? pattern._hasCapturesCache = pattern._computeHasCaptures$0() : t1);
  	        } else
  	          t1 = false;
  	        if (t1)
  	          return A._setArrayType(receiver.split(pattern._nativeRegExp), type$.JSArray_String);
  	        else
  	          return this._defaultSplit$1(receiver, pattern);
  	      }
  	    },
  	    replaceRange$3(receiver, start, end, replacement) {
  	      var e = A.RangeError_checkValidRange(start, end, receiver.length);
  	      return A.stringReplaceRangeUnchecked(receiver, start, e, replacement);
  	    },
  	    _defaultSplit$1(receiver, pattern) {
  	      var t1, start, $length, match, matchStart, matchEnd,
  	        result = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = J.allMatches$1$s(pattern, receiver), t1 = t1.get$iterator(t1), start = 0, $length = 1; t1.moveNext$0();) {
  	        match = t1.get$current(t1);
  	        matchStart = match.get$start(match);
  	        matchEnd = match.get$end(match);
  	        $length = matchEnd - matchStart;
  	        if ($length === 0 && start === matchStart)
  	          continue;
  	        result.push(this.substring$2(receiver, start, matchStart));
  	        start = matchEnd;
  	      }
  	      if (start < receiver.length || $length > 0)
  	        result.push(this.substring$1(receiver, start));
  	      return result;
  	    },
  	    startsWith$2(receiver, pattern, index) {
  	      var endIndex;
  	      if (index < 0 || index > receiver.length)
  	        throw A.wrapException(A.RangeError$range(index, 0, receiver.length, null, null));
  	      if (typeof pattern == "string") {
  	        endIndex = index + pattern.length;
  	        if (endIndex > receiver.length)
  	          return false;
  	        return pattern === receiver.substring(index, endIndex);
  	      }
  	      return J.matchAsPrefix$2$s(pattern, receiver, index) != null;
  	    },
  	    startsWith$1(receiver, pattern) {
  	      return this.startsWith$2(receiver, pattern, 0);
  	    },
  	    substring$2(receiver, start, end) {
  	      return receiver.substring(start, A.RangeError_checkValidRange(start, end, receiver.length));
  	    },
  	    substring$1(receiver, start) {
  	      return this.substring$2(receiver, start, null);
  	    },
  	    trim$0(receiver) {
  	      var startIndex, t1, endIndex0,
  	        result = receiver.trim(),
  	        endIndex = result.length;
  	      if (endIndex === 0)
  	        return result;
  	      if (result.charCodeAt(0) === 133) {
  	        startIndex = J.JSString__skipLeadingWhitespace(result, 1);
  	        if (startIndex === endIndex)
  	          return "";
  	      } else
  	        startIndex = 0;
  	      t1 = endIndex - 1;
  	      endIndex0 = result.charCodeAt(t1) === 133 ? J.JSString__skipTrailingWhitespace(result, t1) : endIndex;
  	      if (startIndex === 0 && endIndex0 === endIndex)
  	        return result;
  	      return result.substring(startIndex, endIndex0);
  	    },
  	    trimLeft$0(receiver) {
  	      var result = receiver.trimStart();
  	      if (result.length === 0)
  	        return result;
  	      if (result.charCodeAt(0) !== 133)
  	        return result;
  	      return result.substring(J.JSString__skipLeadingWhitespace(result, 1));
  	    },
  	    trimRight$0(receiver) {
  	      var t1,
  	        result = receiver.trimEnd(),
  	        endIndex = result.length;
  	      if (endIndex === 0)
  	        return result;
  	      t1 = endIndex - 1;
  	      if (result.charCodeAt(t1) !== 133)
  	        return result;
  	      return result.substring(0, J.JSString__skipTrailingWhitespace(result, t1));
  	    },
  	    $mul(receiver, times) {
  	      var s, result;
  	      if (0 >= times)
  	        return "";
  	      if (times === 1 || receiver.length === 0)
  	        return receiver;
  	      if (times !== times >>> 0)
  	        throw A.wrapException(B.C_OutOfMemoryError);
  	      for (s = receiver, result = "";;) {
  	        if ((times & 1) === 1)
  	          result = s + result;
  	        times = times >>> 1;
  	        if (times === 0)
  	          break;
  	        s += s;
  	      }
  	      return result;
  	    },
  	    padLeft$2(receiver, width, padding) {
  	      var delta = width - receiver.length;
  	      if (delta <= 0)
  	        return receiver;
  	      return this.$mul(padding, delta) + receiver;
  	    },
  	    padRight$1(receiver, width) {
  	      var delta = width - receiver.length;
  	      if (delta <= 0)
  	        return receiver;
  	      return receiver + this.$mul(" ", delta);
  	    },
  	    indexOf$2(receiver, pattern, start) {
  	      var t1;
  	      if (start < 0 || start > receiver.length)
  	        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
  	      t1 = receiver.indexOf(pattern, start);
  	      return t1;
  	    },
  	    indexOf$1(receiver, pattern) {
  	      return this.indexOf$2(receiver, pattern, 0);
  	    },
  	    lastIndexOf$2(receiver, pattern, start) {
  	      var t1, t2, i;
  	      if (start == null)
  	        start = receiver.length;
  	      else if (start < 0 || start > receiver.length)
  	        throw A.wrapException(A.RangeError$range(start, 0, receiver.length, null, null));
  	      if (typeof pattern == "string") {
  	        t1 = pattern.length;
  	        t2 = receiver.length;
  	        if (start + t1 > t2)
  	          start = t2 - t1;
  	        return receiver.lastIndexOf(pattern, start);
  	      }
  	      for (t1 = J.getInterceptor$s(pattern), i = start; i >= 0; --i)
  	        if (t1.matchAsPrefix$2(pattern, receiver, i) != null)
  	          return i;
  	      return -1;
  	    },
  	    lastIndexOf$1(receiver, pattern) {
  	      return this.lastIndexOf$2(receiver, pattern, null);
  	    },
  	    contains$2(receiver, other, startIndex) {
  	      var t1 = receiver.length;
  	      if (startIndex > t1)
  	        throw A.wrapException(A.RangeError$range(startIndex, 0, t1, null, null));
  	      return A.stringContainsUnchecked(receiver, other, startIndex);
  	    },
  	    contains$1(receiver, other) {
  	      return this.contains$2(receiver, other, 0);
  	    },
  	    compareTo$1(receiver, other) {
  	      var t1;
  	      if (receiver === other)
  	        t1 = 0;
  	      else
  	        t1 = receiver < other ? -1 : 1;
  	      return t1;
  	    },
  	    toString$0(receiver) {
  	      return receiver;
  	    },
  	    get$hashCode(receiver) {
  	      var t1, hash, i;
  	      for (t1 = receiver.length, hash = 0, i = 0; i < t1; ++i) {
  	        hash = hash + receiver.charCodeAt(i) & 536870911;
  	        hash = hash + ((hash & 524287) << 10) & 536870911;
  	        hash ^= hash >> 6;
  	      }
  	      hash = hash + ((hash & 67108863) << 3) & 536870911;
  	      hash ^= hash >> 11;
  	      return hash + ((hash & 16383) << 15) & 536870911;
  	    },
  	    get$runtimeType(receiver) {
  	      return A.createRuntimeType(type$.String);
  	    },
  	    get$length(receiver) {
  	      return receiver.length;
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isComparable: 1,
  	    $isString: 1
  	  };
  	  A._CastIterableBase.prototype = {
  	    get$iterator(_) {
  	      return new A.CastIterator(J.get$iterator$ax(this.get$_source()), A._instanceType(this)._eval$1("CastIterator<1,2>"));
  	    },
  	    get$length(_) {
  	      return J.get$length$asx(this.get$_source());
  	    },
  	    get$isEmpty(_) {
  	      return J.get$isEmpty$asx(this.get$_source());
  	    },
  	    get$isNotEmpty(_) {
  	      return J.get$isNotEmpty$asx(this.get$_source());
  	    },
  	    skip$1(_, count) {
  	      var t1 = A._instanceType(this);
  	      return A.CastIterable_CastIterable(J.skip$1$ax(this.get$_source(), count), t1._precomputed1, t1._rest[1]);
  	    },
  	    take$1(_, count) {
  	      var t1 = A._instanceType(this);
  	      return A.CastIterable_CastIterable(J.take$1$ax(this.get$_source(), count), t1._precomputed1, t1._rest[1]);
  	    },
  	    elementAt$1(_, index) {
  	      return A._instanceType(this)._rest[1]._as(J.elementAt$1$ax(this.get$_source(), index));
  	    },
  	    get$first(_) {
  	      return A._instanceType(this)._rest[1]._as(J.get$first$ax(this.get$_source()));
  	    },
  	    get$last(_) {
  	      return A._instanceType(this)._rest[1]._as(J.get$last$ax(this.get$_source()));
  	    },
  	    get$single(_) {
  	      return A._instanceType(this)._rest[1]._as(J.get$single$ax(this.get$_source()));
  	    },
  	    contains$1(_, other) {
  	      return J.contains$1$asx(this.get$_source(), other);
  	    },
  	    toString$0(_) {
  	      return J.toString$0$(this.get$_source());
  	    }
  	  };
  	  A.CastIterator.prototype = {
  	    moveNext$0() {
  	      return this._source.moveNext$0();
  	    },
  	    get$current(_) {
  	      var t1 = this._source;
  	      return this.$ti._rest[1]._as(t1.get$current(t1));
  	    }
  	  };
  	  A.CastIterable.prototype = {
  	    get$_source() {
  	      return this._source;
  	    }
  	  };
  	  A._EfficientLengthCastIterable.prototype = {$isEfficientLengthIterable: 1};
  	  A._CastListBase.prototype = {
  	    $index(_, index) {
  	      return this.$ti._rest[1]._as(J.$index$asx(this._source, index));
  	    },
  	    $indexSet(_, index, value) {
  	      J.$indexSet$ax(this._source, index, this.$ti._precomputed1._as(value));
  	    },
  	    set$length(_, $length) {
  	      J.set$length$asx(this._source, $length);
  	    },
  	    add$1(_, value) {
  	      J.add$1$ax(this._source, this.$ti._precomputed1._as(value));
  	    },
  	    addAll$1(_, values) {
  	      var t1 = this.$ti;
  	      J.addAll$1$ax(this._source, A.CastIterable_CastIterable(values, t1._rest[1], t1._precomputed1));
  	    },
  	    sort$1(_, compare) {
  	      var t1 = compare == null ? null : new A._CastListBase_sort_closure(this, compare);
  	      J.sort$1$ax(this._source, t1);
  	    },
  	    getRange$2(_, start, end) {
  	      var t1 = this.$ti;
  	      return A.CastIterable_CastIterable(J.getRange$2$ax(this._source, start, end), t1._precomputed1, t1._rest[1]);
  	    },
  	    setRange$4(_, start, end, iterable, skipCount) {
  	      var t1 = this.$ti;
  	      J.setRange$4$ax(this._source, start, end, A.CastIterable_CastIterable(iterable, t1._rest[1], t1._precomputed1), skipCount);
  	    },
  	    removeRange$2(_, start, end) {
  	      J.removeRange$2$ax(this._source, start, end);
  	    },
  	    fillRange$3(_, start, end, fillValue) {
  	      J.fillRange$3$ax(this._source, start, end, this.$ti._precomputed1._as(fillValue));
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isList: 1
  	  };
  	  A._CastListBase_sort_closure.prototype = {
  	    call$2(v1, v2) {
  	      var t1 = this.$this.$ti._rest[1];
  	      return this.compare.call$2(t1._as(v1), t1._as(v2));
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("int(1,1)");
  	    }
  	  };
  	  A.CastList.prototype = {
  	    cast$1$0(_, $R) {
  	      return new A.CastList(this._source, this.$ti._eval$1("@<1>")._bind$1($R)._eval$1("CastList<1,2>"));
  	    },
  	    get$_source() {
  	      return this._source;
  	    }
  	  };
  	  A.CastSet.prototype = {
  	    add$1(_, value) {
  	      return this._source.add$1(0, this.$ti._precomputed1._as(value));
  	    },
  	    addAll$1(_, elements) {
  	      var t1 = this.$ti;
  	      this._source.addAll$1(0, A.CastIterable_CastIterable(elements, t1._rest[1], t1._precomputed1));
  	    },
  	    difference$1(other) {
  	      var _this = this;
  	      if (_this._emptySet != null)
  	        return _this._conditionalAdd$2(other, false);
  	      return new A.CastSet(_this._source.difference$1(other), null, _this.$ti);
  	    },
  	    _conditionalAdd$2(other, otherContains) {
  	      var t3, castElement,
  	        emptySet = this._emptySet,
  	        t1 = this.$ti,
  	        t2 = t1._rest[1],
  	        result = emptySet == null ? A.LinkedHashSet_LinkedHashSet(t2) : emptySet.call$1$0(t2);
  	      for (t2 = this._source, t2 = t2.get$iterator(t2), t3 = other._source, t1 = t1._rest[1]; t2.moveNext$0();) {
  	        castElement = t1._as(t2.get$current(t2));
  	        if (otherContains === t3.contains$1(0, castElement))
  	          result.add$1(0, castElement);
  	      }
  	      return result;
  	    },
  	    toSet$0(_) {
  	      var emptySet = this._emptySet,
  	        t1 = this.$ti._rest[1],
  	        result = emptySet == null ? A.LinkedHashSet_LinkedHashSet(t1) : emptySet.call$1$0(t1);
  	      result.addAll$1(0, this);
  	      return result;
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isSet: 1,
  	    get$_source() {
  	      return this._source;
  	    }
  	  };
  	  A.CastMap.prototype = {
  	    cast$2$0(_, $RK, $RV) {
  	      return new A.CastMap(this._source, this.$ti._eval$1("@<1,2>")._bind$1($RK)._bind$1($RV)._eval$1("CastMap<1,2,3,4>"));
  	    },
  	    containsKey$1(key) {
  	      return this._source.containsKey$1(key);
  	    },
  	    $index(_, key) {
  	      return this.$ti._eval$1("4?")._as(this._source.$index(0, key));
  	    },
  	    $indexSet(_, key, value) {
  	      var t1 = this.$ti;
  	      this._source.$indexSet(0, t1._precomputed1._as(key), t1._rest[1]._as(value));
  	    },
  	    addAll$1(_, other) {
  	      this._source.addAll$1(0, new A.CastMap(other, this.$ti._eval$1("CastMap<3,4,1,2>")));
  	    },
  	    remove$1(_, key) {
  	      return this.$ti._eval$1("4?")._as(this._source.remove$1(0, key));
  	    },
  	    forEach$1(_, f) {
  	      this._source.forEach$1(0, new A.CastMap_forEach_closure(this, f));
  	    },
  	    get$keys(_) {
  	      var t1 = this._source,
  	        t2 = this.$ti;
  	      return A.CastIterable_CastIterable(t1.get$keys(t1), t2._precomputed1, t2._rest[2]);
  	    },
  	    get$values(_) {
  	      var t1 = this._source,
  	        t2 = this.$ti;
  	      return A.CastIterable_CastIterable(t1.get$values(t1), t2._rest[1], t2._rest[3]);
  	    },
  	    get$length(_) {
  	      var t1 = this._source;
  	      return t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._source;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._source;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$entries(_) {
  	      var t1 = this._source;
  	      t1 = t1.get$entries(t1);
  	      return t1.map$1$1(t1, new A.CastMap_entries_closure(this), this.$ti._eval$1("MapEntry<3,4>"));
  	    }
  	  };
  	  A.CastMap_forEach_closure.prototype = {
  	    call$2(key, value) {
  	      var t1 = this.$this.$ti;
  	      this.f.call$2(t1._rest[2]._as(key), t1._rest[3]._as(value));
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("~(1,2)");
  	    }
  	  };
  	  A.CastMap_entries_closure.prototype = {
  	    call$1(e) {
  	      var t1 = this.$this.$ti;
  	      return new A.MapEntry(t1._rest[2]._as(e.key), t1._rest[3]._as(e.value), t1._eval$1("MapEntry<3,4>"));
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("MapEntry<3,4>(MapEntry<1,2>)");
  	    }
  	  };
  	  A.LateError.prototype = {
  	    toString$0(_) {
  	      return "LateInitializationError: " + this._message;
  	    }
  	  };
  	  A.CodeUnits.prototype = {
  	    get$length(_) {
  	      return this._string.length;
  	    },
  	    $index(_, i) {
  	      return this._string.charCodeAt(i);
  	    }
  	  };
  	  A.nullFuture_closure.prototype = {
  	    call$0() {
  	      return A.Future_Future$value(null, type$.void);
  	    },
  	    $signature: 32
  	  };
  	  A.SentinelValue.prototype = {};
  	  A.EfficientLengthIterable.prototype = {};
  	  A.ListIterable.prototype = {
  	    get$iterator(_) {
  	      var _this = this;
  	      return new A.ListIterator(_this, _this.get$length(_this), A._instanceType(_this)._eval$1("ListIterator<ListIterable.E>"));
  	    },
  	    get$isEmpty(_) {
  	      return this.get$length(this) === 0;
  	    },
  	    get$first(_) {
  	      if (this.get$length(this) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return this.elementAt$1(0, 0);
  	    },
  	    get$last(_) {
  	      var _this = this;
  	      if (_this.get$length(_this) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return _this.elementAt$1(0, _this.get$length(_this) - 1);
  	    },
  	    get$single(_) {
  	      var _this = this;
  	      if (_this.get$length(_this) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      if (_this.get$length(_this) > 1)
  	        throw A.wrapException(A.IterableElementError_tooMany());
  	      return _this.elementAt$1(0, 0);
  	    },
  	    contains$1(_, element) {
  	      var i, _this = this,
  	        $length = _this.get$length(_this);
  	      for (i = 0; i < $length; ++i) {
  	        if (J.$eq$(_this.elementAt$1(0, i), element))
  	          return true;
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return false;
  	    },
  	    every$1(_, test) {
  	      var i, _this = this,
  	        $length = _this.get$length(_this);
  	      for (i = 0; i < $length; ++i) {
  	        if (!test.call$1(_this.elementAt$1(0, i)))
  	          return false;
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return true;
  	    },
  	    any$1(_, test) {
  	      var i, _this = this,
  	        $length = _this.get$length(_this);
  	      for (i = 0; i < $length; ++i) {
  	        if (test.call$1(_this.elementAt$1(0, i)))
  	          return true;
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return false;
  	    },
  	    join$1(_, separator) {
  	      var first, t1, i, _this = this,
  	        $length = _this.get$length(_this);
  	      if (separator.length !== 0) {
  	        if ($length === 0)
  	          return "";
  	        first = A.S(_this.elementAt$1(0, 0));
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	        for (t1 = first, i = 1; i < $length; ++i) {
  	          t1 = t1 + separator + A.S(_this.elementAt$1(0, i));
  	          if ($length !== _this.get$length(_this))
  	            throw A.wrapException(A.ConcurrentModificationError$(_this));
  	        }
  	        return t1.charCodeAt(0) == 0 ? t1 : t1;
  	      } else {
  	        for (i = 0, t1 = ""; i < $length; ++i) {
  	          t1 += A.S(_this.elementAt$1(0, i));
  	          if ($length !== _this.get$length(_this))
  	            throw A.wrapException(A.ConcurrentModificationError$(_this));
  	        }
  	        return t1.charCodeAt(0) == 0 ? t1 : t1;
  	      }
  	    },
  	    join$0(_) {
  	      return this.join$1(0, "");
  	    },
  	    where$1(_, test) {
  	      return this.super$Iterable$where(0, test);
  	    },
  	    map$1$1(_, toElement, $T) {
  	      return new A.MappedListIterable(this, toElement, A._instanceType(this)._eval$1("@<ListIterable.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
  	    },
  	    reduce$1(_, combine) {
  	      var value, i, _this = this,
  	        $length = _this.get$length(_this);
  	      if ($length === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      value = _this.elementAt$1(0, 0);
  	      for (i = 1; i < $length; ++i) {
  	        value = combine.call$2(value, _this.elementAt$1(0, i));
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return value;
  	    },
  	    fold$1$2(_, initialValue, combine) {
  	      var value, i, _this = this,
  	        $length = _this.get$length(_this);
  	      for (value = initialValue, i = 0; i < $length; ++i) {
  	        value = combine.call$2(value, _this.elementAt$1(0, i));
  	        if ($length !== _this.get$length(_this))
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return value;
  	    },
  	    fold$2(_, initialValue, combine) {
  	      return this.fold$1$2(0, initialValue, combine, type$.dynamic);
  	    },
  	    skip$1(_, count) {
  	      return A.SubListIterable$(this, count, null, A._instanceType(this)._eval$1("ListIterable.E"));
  	    },
  	    take$1(_, count) {
  	      return A.SubListIterable$(this, 0, A.checkNotNullable(count, "count", type$.int), A._instanceType(this)._eval$1("ListIterable.E"));
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1 = A.List_List$_of(this, A._instanceType(this)._eval$1("ListIterable.E"));
  	      return t1;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    toSet$0(_) {
  	      var i, _this = this,
  	        result = A.LinkedHashSet_LinkedHashSet(A._instanceType(_this)._eval$1("ListIterable.E"));
  	      for (i = 0; i < _this.get$length(_this); ++i)
  	        result.add$1(0, _this.elementAt$1(0, i));
  	      return result;
  	    }
  	  };
  	  A.SubListIterable.prototype = {
  	    SubListIterable$3(_iterable, _start, _endOrLength, $E) {
  	      var endOrLength,
  	        t1 = this._start;
  	      A.RangeError_checkNotNegative(t1, "start");
  	      endOrLength = this._endOrLength;
  	      if (endOrLength != null) {
  	        A.RangeError_checkNotNegative(endOrLength, "end");
  	        if (t1 > endOrLength)
  	          throw A.wrapException(A.RangeError$range(t1, 0, endOrLength, "start", null));
  	      }
  	    },
  	    get$_endIndex() {
  	      var $length = J.get$length$asx(this.__internal$_iterable),
  	        endOrLength = this._endOrLength;
  	      if (endOrLength == null || endOrLength > $length)
  	        return $length;
  	      return endOrLength;
  	    },
  	    get$_startIndex() {
  	      var $length = J.get$length$asx(this.__internal$_iterable),
  	        t1 = this._start;
  	      if (t1 > $length)
  	        return $length;
  	      return t1;
  	    },
  	    get$length(_) {
  	      var endOrLength,
  	        $length = J.get$length$asx(this.__internal$_iterable),
  	        t1 = this._start;
  	      if (t1 >= $length)
  	        return 0;
  	      endOrLength = this._endOrLength;
  	      if (endOrLength == null || endOrLength >= $length)
  	        return $length - t1;
  	      return endOrLength - t1;
  	    },
  	    elementAt$1(_, index) {
  	      var _this = this,
  	        realIndex = _this.get$_startIndex() + index;
  	      if (index < 0 || realIndex >= _this.get$_endIndex())
  	        throw A.wrapException(A.IndexError$withLength(index, _this.get$length(0), _this, null, "index"));
  	      return J.elementAt$1$ax(_this.__internal$_iterable, realIndex);
  	    },
  	    skip$1(_, count) {
  	      var newStart, endOrLength, _this = this;
  	      A.RangeError_checkNotNegative(count, "count");
  	      newStart = _this._start + count;
  	      endOrLength = _this._endOrLength;
  	      if (endOrLength != null && newStart >= endOrLength)
  	        return new A.EmptyIterable(_this.$ti._eval$1("EmptyIterable<1>"));
  	      return A.SubListIterable$(_this.__internal$_iterable, newStart, endOrLength, _this.$ti._precomputed1);
  	    },
  	    take$1(_, count) {
  	      var endOrLength, t1, newEnd, _this = this;
  	      A.RangeError_checkNotNegative(count, "count");
  	      endOrLength = _this._endOrLength;
  	      t1 = _this._start;
  	      newEnd = t1 + count;
  	      if (endOrLength == null)
  	        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
  	      else {
  	        if (endOrLength < newEnd)
  	          return _this;
  	        return A.SubListIterable$(_this.__internal$_iterable, t1, newEnd, _this.$ti._precomputed1);
  	      }
  	    },
  	    toList$1$growable(_, growable) {
  	      var $length, result, i, _this = this,
  	        start = _this._start,
  	        t1 = _this.__internal$_iterable,
  	        t2 = J.getInterceptor$asx(t1),
  	        end = t2.get$length(t1),
  	        endOrLength = _this._endOrLength;
  	      if (endOrLength != null && endOrLength < end)
  	        end = endOrLength;
  	      $length = end - start;
  	      if ($length <= 0) {
  	        t1 = _this.$ti._precomputed1;
  	        return growable ? J.JSArray_JSArray$growable(0, t1) : J.JSArray_JSArray$fixed(0, t1);
  	      }
  	      result = A.List_List$filled($length, t2.elementAt$1(t1, start), growable, _this.$ti._precomputed1);
  	      for (i = 1; i < $length; ++i) {
  	        result[i] = t2.elementAt$1(t1, start + i);
  	        if (t2.get$length(t1) < end)
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	      return result;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    }
  	  };
  	  A.ListIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this.__internal$_current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var t3, _this = this,
  	        t1 = _this.__internal$_iterable,
  	        t2 = J.getInterceptor$asx(t1),
  	        $length = t2.get$length(t1);
  	      if (_this.__internal$_length !== $length)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      t3 = _this.__internal$_index;
  	      if (t3 >= $length) {
  	        _this.__internal$_current = null;
  	        return false;
  	      }
  	      _this.__internal$_current = t2.elementAt$1(t1, t3);
  	      ++_this.__internal$_index;
  	      return true;
  	    }
  	  };
  	  A.MappedIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.MappedIterator(J.get$iterator$ax(this.__internal$_iterable), this._f, A._instanceType(this)._eval$1("MappedIterator<1,2>"));
  	    },
  	    get$length(_) {
  	      return J.get$length$asx(this.__internal$_iterable);
  	    },
  	    get$isEmpty(_) {
  	      return J.get$isEmpty$asx(this.__internal$_iterable);
  	    },
  	    get$first(_) {
  	      return this._f.call$1(J.get$first$ax(this.__internal$_iterable));
  	    },
  	    get$last(_) {
  	      return this._f.call$1(J.get$last$ax(this.__internal$_iterable));
  	    },
  	    get$single(_) {
  	      return this._f.call$1(J.get$single$ax(this.__internal$_iterable));
  	    },
  	    elementAt$1(_, index) {
  	      return this._f.call$1(J.elementAt$1$ax(this.__internal$_iterable, index));
  	    }
  	  };
  	  A.EfficientLengthMappedIterable.prototype = {$isEfficientLengthIterable: 1};
  	  A.MappedIterator.prototype = {
  	    moveNext$0() {
  	      var _this = this,
  	        t1 = _this._iterator;
  	      if (t1.moveNext$0()) {
  	        _this.__internal$_current = _this._f.call$1(t1.get$current(t1));
  	        return true;
  	      }
  	      _this.__internal$_current = null;
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this.__internal$_current;
  	      return t1 == null ? this.$ti._rest[1]._as(t1) : t1;
  	    }
  	  };
  	  A.MappedListIterable.prototype = {
  	    get$length(_) {
  	      return J.get$length$asx(this._source);
  	    },
  	    elementAt$1(_, index) {
  	      return this._f.call$1(J.elementAt$1$ax(this._source, index));
  	    }
  	  };
  	  A.WhereIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.WhereIterator(J.get$iterator$ax(this.__internal$_iterable), this._f);
  	    },
  	    map$1$1(_, toElement, $T) {
  	      return new A.MappedIterable(this, toElement, this.$ti._eval$1("@<1>")._bind$1($T)._eval$1("MappedIterable<1,2>"));
  	    }
  	  };
  	  A.WhereIterator.prototype = {
  	    moveNext$0() {
  	      var t1, t2;
  	      for (t1 = this._iterator, t2 = this._f; t1.moveNext$0();)
  	        if (t2.call$1(t1.get$current(t1)))
  	          return true;
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this._iterator;
  	      return t1.get$current(t1);
  	    }
  	  };
  	  A.ExpandIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.ExpandIterator(J.get$iterator$ax(this.__internal$_iterable), this._f, B.C_EmptyIterator, this.$ti._eval$1("ExpandIterator<1,2>"));
  	    }
  	  };
  	  A.ExpandIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this.__internal$_current;
  	      return t1 == null ? this.$ti._rest[1]._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var t2, t3, _this = this,
  	        t1 = _this._currentExpansion;
  	      if (t1 == null)
  	        return false;
  	      for (t2 = _this._iterator, t3 = _this._f; !t1.moveNext$0();) {
  	        _this.__internal$_current = null;
  	        if (t2.moveNext$0()) {
  	          _this._currentExpansion = null;
  	          t1 = J.get$iterator$ax(t3.call$1(t2.get$current(t2)));
  	          _this._currentExpansion = t1;
  	        } else
  	          return false;
  	      }
  	      t1 = _this._currentExpansion;
  	      _this.__internal$_current = t1.get$current(t1);
  	      return true;
  	    }
  	  };
  	  A.TakeIterable.prototype = {
  	    get$iterator(_) {
  	      var t1 = this.__internal$_iterable;
  	      return new A.TakeIterator(t1.get$iterator(t1), this._takeCount, A._instanceType(this)._eval$1("TakeIterator<1>"));
  	    }
  	  };
  	  A.EfficientLengthTakeIterable.prototype = {
  	    get$length(_) {
  	      var t1 = this.__internal$_iterable,
  	        iterableLength = t1.get$length(t1);
  	      t1 = this._takeCount;
  	      if (iterableLength > t1)
  	        return t1;
  	      return iterableLength;
  	    },
  	    $isEfficientLengthIterable: 1
  	  };
  	  A.TakeIterator.prototype = {
  	    moveNext$0() {
  	      if (--this._remaining >= 0)
  	        return this._iterator.moveNext$0();
  	      this._remaining = -1;
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1;
  	      if (this._remaining < 0) {
  	        this.$ti._precomputed1._as(null);
  	        return null;
  	      }
  	      t1 = this._iterator;
  	      return t1.get$current(t1);
  	    }
  	  };
  	  A.SkipIterable.prototype = {
  	    skip$1(_, count) {
  	      A.ArgumentError_checkNotNull(count, "count");
  	      A.RangeError_checkNotNegative(count, "count");
  	      return new A.SkipIterable(this.__internal$_iterable, this._skipCount + count, A._instanceType(this)._eval$1("SkipIterable<1>"));
  	    },
  	    get$iterator(_) {
  	      var t1 = this.__internal$_iterable;
  	      return new A.SkipIterator(t1.get$iterator(t1), this._skipCount);
  	    }
  	  };
  	  A.EfficientLengthSkipIterable.prototype = {
  	    get$length(_) {
  	      var t1 = this.__internal$_iterable,
  	        $length = t1.get$length(t1) - this._skipCount;
  	      if ($length >= 0)
  	        return $length;
  	      return 0;
  	    },
  	    skip$1(_, count) {
  	      A.ArgumentError_checkNotNull(count, "count");
  	      A.RangeError_checkNotNegative(count, "count");
  	      return new A.EfficientLengthSkipIterable(this.__internal$_iterable, this._skipCount + count, this.$ti);
  	    },
  	    $isEfficientLengthIterable: 1
  	  };
  	  A.SkipIterator.prototype = {
  	    moveNext$0() {
  	      var t1, i;
  	      for (t1 = this._iterator, i = 0; i < this._skipCount; ++i)
  	        t1.moveNext$0();
  	      this._skipCount = 0;
  	      return t1.moveNext$0();
  	    },
  	    get$current(_) {
  	      var t1 = this._iterator;
  	      return t1.get$current(t1);
  	    }
  	  };
  	  A.SkipWhileIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.SkipWhileIterator(J.get$iterator$ax(this.__internal$_iterable), this._f);
  	    }
  	  };
  	  A.SkipWhileIterator.prototype = {
  	    moveNext$0() {
  	      var t1, t2, _this = this;
  	      if (!_this._hasSkipped) {
  	        _this._hasSkipped = true;
  	        for (t1 = _this._iterator, t2 = _this._f; t1.moveNext$0();)
  	          if (!t2.call$1(t1.get$current(t1)))
  	            return true;
  	      }
  	      return _this._iterator.moveNext$0();
  	    },
  	    get$current(_) {
  	      var t1 = this._iterator;
  	      return t1.get$current(t1);
  	    }
  	  };
  	  A.EmptyIterable.prototype = {
  	    get$iterator(_) {
  	      return B.C_EmptyIterator;
  	    },
  	    get$isEmpty(_) {
  	      return true;
  	    },
  	    get$length(_) {
  	      return 0;
  	    },
  	    get$first(_) {
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    get$last(_) {
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    get$single(_) {
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    elementAt$1(_, index) {
  	      throw A.wrapException(A.RangeError$range(index, 0, 0, "index", null));
  	    },
  	    contains$1(_, element) {
  	      return false;
  	    },
  	    every$1(_, test) {
  	      return true;
  	    },
  	    any$1(_, test) {
  	      return false;
  	    },
  	    join$1(_, separator) {
  	      return "";
  	    },
  	    where$1(_, test) {
  	      return this;
  	    },
  	    map$1$1(_, toElement, $T) {
  	      return new A.EmptyIterable($T._eval$1("EmptyIterable<0>"));
  	    },
  	    skip$1(_, count) {
  	      A.RangeError_checkNotNegative(count, "count");
  	      return this;
  	    },
  	    take$1(_, count) {
  	      A.RangeError_checkNotNegative(count, "count");
  	      return this;
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1 = J.JSArray_JSArray$growable(0, this.$ti._precomputed1);
  	      return t1;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    toSet$0(_) {
  	      return A.LinkedHashSet_LinkedHashSet(this.$ti._precomputed1);
  	    }
  	  };
  	  A.EmptyIterator.prototype = {
  	    moveNext$0() {
  	      return false;
  	    },
  	    get$current(_) {
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    }
  	  };
  	  A.FollowedByIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.FollowedByIterator(J.get$iterator$ax(this.__internal$_first), this._second);
  	    },
  	    get$length(_) {
  	      var t1 = this._second;
  	      return J.get$length$asx(this.__internal$_first) + t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1;
  	      if (J.get$isEmpty$asx(this.__internal$_first)) {
  	        t1 = this._second;
  	        t1 = t1.get$isEmpty(t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    get$isNotEmpty(_) {
  	      var t1;
  	      if (!J.get$isNotEmpty$asx(this.__internal$_first)) {
  	        t1 = this._second;
  	        t1 = t1.get$isNotEmpty(t1);
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    contains$1(_, value) {
  	      var t1;
  	      if (!J.contains$1$asx(this.__internal$_first, value)) {
  	        t1 = this._second;
  	        t1 = t1.contains$1(t1, value);
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    get$first(_) {
  	      var t1,
  	        iterator = J.get$iterator$ax(this.__internal$_first);
  	      if (iterator.moveNext$0())
  	        return iterator.get$current(iterator);
  	      t1 = this._second;
  	      return t1.get$first(t1);
  	    },
  	    get$last(_) {
  	      var last,
  	        t1 = this._second,
  	        iterator = t1.get$iterator(t1);
  	      if (iterator.moveNext$0()) {
  	        last = iterator.get$current(iterator);
  	        while (iterator.moveNext$0())
  	          last = iterator.get$current(iterator);
  	        return last;
  	      }
  	      return J.get$last$ax(this.__internal$_first);
  	    }
  	  };
  	  A.EfficientLengthFollowedByIterable.prototype = {
  	    elementAt$1(_, index) {
  	      var t1 = this.__internal$_first,
  	        t2 = J.getInterceptor$asx(t1),
  	        firstLength = t2.get$length(t1);
  	      if (index < firstLength)
  	        return t2.elementAt$1(t1, index);
  	      t1 = this._second;
  	      return t1.elementAt$1(t1, index - firstLength);
  	    },
  	    get$first(_) {
  	      var t1 = this.__internal$_first,
  	        t2 = J.getInterceptor$asx(t1);
  	      if (t2.get$isNotEmpty(t1))
  	        return t2.get$first(t1);
  	      t1 = this._second;
  	      return t1.get$first(t1);
  	    },
  	    get$last(_) {
  	      var t1 = this._second;
  	      if (t1.get$isNotEmpty(t1))
  	        return t1.get$last(t1);
  	      return J.get$last$ax(this.__internal$_first);
  	    },
  	    $isEfficientLengthIterable: 1
  	  };
  	  A.FollowedByIterator.prototype = {
  	    moveNext$0() {
  	      var t1, _this = this;
  	      if (_this._currentIterator.moveNext$0())
  	        return true;
  	      t1 = _this._nextIterable;
  	      if (t1 != null) {
  	        t1 = t1.get$iterator(t1);
  	        _this._currentIterator = t1;
  	        _this._nextIterable = null;
  	        return t1.moveNext$0();
  	      }
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this._currentIterator;
  	      return t1.get$current(t1);
  	    }
  	  };
  	  A.WhereTypeIterable.prototype = {
  	    get$iterator(_) {
  	      return new A.WhereTypeIterator(J.get$iterator$ax(this._source), this.$ti._eval$1("WhereTypeIterator<1>"));
  	    }
  	  };
  	  A.WhereTypeIterator.prototype = {
  	    moveNext$0() {
  	      var t1, t2;
  	      for (t1 = this._source, t2 = this.$ti._precomputed1; t1.moveNext$0();)
  	        if (t2._is(t1.get$current(t1)))
  	          return true;
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this._source;
  	      return this.$ti._precomputed1._as(t1.get$current(t1));
  	    }
  	  };
  	  A.NonNullsIterable.prototype = {
  	    get$_firstNonNull() {
  	      var t1, element;
  	      for (t1 = J.get$iterator$ax(this._source); t1.moveNext$0();) {
  	        element = t1.get$current(t1);
  	        if (element != null)
  	          return element;
  	      }
  	      return null;
  	    },
  	    get$isEmpty(_) {
  	      return this.get$_firstNonNull() == null;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.get$_firstNonNull() != null;
  	    },
  	    get$first(_) {
  	      var t1 = this.get$_firstNonNull();
  	      return t1 == null ? A.throwExpression(A.IterableElementError_noElement()) : t1;
  	    },
  	    get$iterator(_) {
  	      return new A.NonNullsIterator(J.get$iterator$ax(this._source));
  	    }
  	  };
  	  A.NonNullsIterator.prototype = {
  	    moveNext$0() {
  	      var t1, next;
  	      this.__internal$_current = null;
  	      for (t1 = this._source; t1.moveNext$0();) {
  	        next = t1.get$current(t1);
  	        if (next != null) {
  	          this.__internal$_current = next;
  	          return true;
  	        }
  	      }
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this.__internal$_current;
  	      return t1 == null ? A.throwExpression(A.IterableElementError_noElement()) : t1;
  	    }
  	  };
  	  A.FixedLengthListMixin.prototype = {
  	    set$length(receiver, newLength) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot change the length of a fixed-length list"));
  	    },
  	    add$1(receiver, value) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot add to a fixed-length list"));
  	    },
  	    addAll$1(receiver, iterable) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot add to a fixed-length list"));
  	    },
  	    removeRange$2(receiver, start, end) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot remove from a fixed-length list"));
  	    }
  	  };
  	  A.UnmodifiableListMixin.prototype = {
  	    $indexSet(_, index, value) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
  	    },
  	    set$length(_, newLength) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot change the length of an unmodifiable list"));
  	    },
  	    add$1(_, value) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot add to an unmodifiable list"));
  	    },
  	    addAll$1(_, iterable) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot add to an unmodifiable list"));
  	    },
  	    sort$1(_, compare) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
  	    },
  	    setRange$4(_, start, end, iterable, skipCount) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
  	    },
  	    removeRange$2(_, start, end) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot remove from an unmodifiable list"));
  	    },
  	    fillRange$3(_, start, end, fillValue) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify an unmodifiable list"));
  	    }
  	  };
  	  A.UnmodifiableListBase.prototype = {};
  	  A.ReversedListIterable.prototype = {
  	    get$length(_) {
  	      return J.get$length$asx(this._source);
  	    },
  	    elementAt$1(_, index) {
  	      var t1 = this._source,
  	        t2 = J.getInterceptor$asx(t1);
  	      return t2.elementAt$1(t1, t2.get$length(t1) - 1 - index);
  	    }
  	  };
  	  A.Symbol.prototype = {
  	    get$hashCode(_) {
  	      var hash = this._hashCode;
  	      if (hash != null)
  	        return hash;
  	      hash = 664597 * B.JSString_methods.get$hashCode(this.__internal$_name) & 536870911;
  	      this._hashCode = hash;
  	      return hash;
  	    },
  	    toString$0(_) {
  	      return 'Symbol("' + this.__internal$_name + '")';
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.Symbol && this.__internal$_name === other.__internal$_name;
  	    },
  	    $isSymbol0: 1
  	  };
  	  A.__CastListBase__CastIterableBase_ListMixin.prototype = {};
  	  A._Record_1.prototype = {$recipe: "+(1)", $shape: 1};
  	  A._Record_2.prototype = {$recipe: "+(1,2)", $shape: 2};
  	  A._Record_2_forImport.prototype = {$recipe: "+forImport(1,2)", $shape: 3};
  	  A._Record_2_imports_modules.prototype = {$recipe: "+imports,modules(1,2)", $shape: 5};
  	  A._Record_2_loadedUrls_stylesheet.prototype = {$recipe: "+loadedUrls,stylesheet(1,2)", $shape: 6};
  	  A._Record_2_sourceMap.prototype = {$recipe: "+sourceMap(1,2)", $shape: 4};
  	  A._Record_3.prototype = {$recipe: "+(1,2,3)", $shape: 7};
  	  A._Record_3_deprecation_message_span.prototype = {
  	    get$message(_) {
  	      return this._1;
  	    },
  	    $recipe: "+deprecation,message,span(1,2,3)",
  	    $shape: 11
  	  };
  	  A._Record_3_forImport.prototype = {$recipe: "+forImport(1,2,3)", $shape: 8};
  	  A._Record_3_importer_isDependency.prototype = {$recipe: "+importer,isDependency(1,2,3)", $shape: 10};
  	  A._Record_3_originalUrl.prototype = {$recipe: "+originalUrl(1,2,3)", $shape: 9};
  	  A._Record_5_named_namedNodes_positional_positionalNodes_separator.prototype = {$recipe: "+named,namedNodes,positional,positionalNodes,separator(1,2,3,4,5)", $shape: 13};
  	  A.ConstantMapView.prototype = {};
  	  A.ConstantMap.prototype = {
  	    cast$2$0(_, $RK, $RV) {
  	      var t1 = A._instanceType(this);
  	      return A.Map_castFrom(this, t1._precomputed1, t1._rest[1], $RK, $RV);
  	    },
  	    get$isEmpty(_) {
  	      return this.get$length(this) === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.get$length(this) !== 0;
  	    },
  	    toString$0(_) {
  	      return A.MapBase_mapToString(this);
  	    },
  	    $indexSet(_, key, value) {
  	      A.ConstantMap__throwUnmodifiable();
  	    },
  	    remove$1(_, key) {
  	      A.ConstantMap__throwUnmodifiable();
  	    },
  	    addAll$1(_, other) {
  	      A.ConstantMap__throwUnmodifiable();
  	    },
  	    get$entries(_) {
  	      return new A._SyncStarIterable(this.entries$body$ConstantMap(0), A._instanceType(this)._eval$1("_SyncStarIterable<MapEntry<1,2>>"));
  	    },
  	    entries$body$ConstantMap($async$_) {
  	      var $async$self = this;
  	      return function() {
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, key;
  	        return function $async$get$entries($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = $async$self.get$keys($async$self), t1 = t1.get$iterator(t1), t2 = A._instanceType($async$self)._eval$1("MapEntry<1,2>");
  	              case 2:
  	                // for condition
  	                if (!t1.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 3;
  	                  break;
  	                }
  	                key = t1.get$current(t1);
  	                $async$goto = 4;
  	                return $async$iterator._async$_current = new A.MapEntry(key, $async$self.$index(0, key), t2), 1;
  	              case 4:
  	                // after yield
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 3:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    $isMap: 1
  	  };
  	  A.ConstantStringMap.prototype = {
  	    get$length(_) {
  	      return this._values.length;
  	    },
  	    get$_keys() {
  	      var keys = this.$keys;
  	      if (keys == null) {
  	        keys = Object.keys(this._jsIndex);
  	        this.$keys = keys;
  	      }
  	      return keys;
  	    },
  	    containsKey$1(key) {
  	      if (typeof key != "string")
  	        return false;
  	      if ("__proto__" === key)
  	        return false;
  	      return this._jsIndex.hasOwnProperty(key);
  	    },
  	    $index(_, key) {
  	      if (!this.containsKey$1(key))
  	        return null;
  	      return this._values[this._jsIndex[key]];
  	    },
  	    forEach$1(_, f) {
  	      var t1, i,
  	        keys = this.get$_keys(),
  	        values = this._values;
  	      for (t1 = keys.length, i = 0; i < t1; ++i)
  	        f.call$2(keys[i], values[i]);
  	    },
  	    get$keys(_) {
  	      return new A._KeysOrValues(this.get$_keys(), this.$ti._eval$1("_KeysOrValues<1>"));
  	    },
  	    get$values(_) {
  	      return new A._KeysOrValues(this._values, this.$ti._eval$1("_KeysOrValues<2>"));
  	    }
  	  };
  	  A._KeysOrValues.prototype = {
  	    get$length(_) {
  	      return this._elements.length;
  	    },
  	    get$isEmpty(_) {
  	      return 0 === this._elements.length;
  	    },
  	    get$isNotEmpty(_) {
  	      return 0 !== this._elements.length;
  	    },
  	    get$iterator(_) {
  	      var t1 = this._elements;
  	      return new A._KeysOrValuesOrElementsIterator(t1, t1.length, this.$ti._eval$1("_KeysOrValuesOrElementsIterator<1>"));
  	    }
  	  };
  	  A._KeysOrValuesOrElementsIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this.__js_helper$_current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var _this = this,
  	        t1 = _this.__js_helper$_index;
  	      if (t1 >= _this.__js_helper$_length) {
  	        _this.__js_helper$_current = null;
  	        return false;
  	      }
  	      _this.__js_helper$_current = _this._elements[t1];
  	      _this.__js_helper$_index = t1 + 1;
  	      return true;
  	    }
  	  };
  	  A.ConstantSet.prototype = {
  	    add$1(_, value) {
  	      A.ConstantSet__throwUnmodifiable();
  	    },
  	    addAll$1(_, elements) {
  	      A.ConstantSet__throwUnmodifiable();
  	    },
  	    remove$1(_, value) {
  	      A.ConstantSet__throwUnmodifiable();
  	    }
  	  };
  	  A.ConstantStringSet.prototype = {
  	    get$length(_) {
  	      return this.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this.__js_helper$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.__js_helper$_length !== 0;
  	    },
  	    get$iterator(_) {
  	      var t1, _this = this,
  	        keys = _this.$keys;
  	      if (keys == null) {
  	        keys = Object.keys(_this._jsIndex);
  	        _this.$keys = keys;
  	      }
  	      t1 = keys;
  	      return new A._KeysOrValuesOrElementsIterator(t1, t1.length, _this.$ti._eval$1("_KeysOrValuesOrElementsIterator<1>"));
  	    },
  	    contains$1(_, key) {
  	      if (typeof key != "string")
  	        return false;
  	      if ("__proto__" === key)
  	        return false;
  	      return this._jsIndex.hasOwnProperty(key);
  	    },
  	    toSet$0(_) {
  	      return A.LinkedHashSet_LinkedHashSet$of(this, this.$ti._precomputed1);
  	    }
  	  };
  	  A.GeneralConstantSet.prototype = {
  	    get$length(_) {
  	      return this._elements.length;
  	    },
  	    get$isEmpty(_) {
  	      return this._elements.length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._elements.length !== 0;
  	    },
  	    get$iterator(_) {
  	      var t1 = this._elements;
  	      return new A._KeysOrValuesOrElementsIterator(t1, t1.length, this.$ti._eval$1("_KeysOrValuesOrElementsIterator<1>"));
  	    },
  	    _getMap$0() {
  	      var t1, t2, _i, key, _this = this,
  	        backingMap = _this.$map;
  	      if (backingMap == null) {
  	        backingMap = new A.JsConstantLinkedHashMap(_this.$ti._eval$1("JsConstantLinkedHashMap<1,1>"));
  	        for (t1 = _this._elements, t2 = t1.length, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	          key = t1[_i];
  	          backingMap.$indexSet(0, key, key);
  	        }
  	        _this.$map = backingMap;
  	      }
  	      return backingMap;
  	    },
  	    contains$1(_, key) {
  	      return this._getMap$0().containsKey$1(key);
  	    },
  	    toSet$0(_) {
  	      return A.LinkedHashSet_LinkedHashSet$of(this, this.$ti._precomputed1);
  	    }
  	  };
  	  A.Instantiation.prototype = {
  	    Instantiation$1(_genericClosure) {
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.Instantiation1 && this._genericClosure.$eq(0, other._genericClosure) && A.getRuntimeTypeOfClosure(this) === A.getRuntimeTypeOfClosure(other);
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this._genericClosure, A.getRuntimeTypeOfClosure(this), B.C_SentinelValue, B.C_SentinelValue);
  	    },
  	    toString$0(_) {
  	      var t1 = B.JSArray_methods.join$1([A.createRuntimeType(this.$ti._precomputed1)], ", ");
  	      return this._genericClosure.toString$0(0) + " with " + ("<" + t1 + ">");
  	    }
  	  };
  	  A.Instantiation1.prototype = {
  	    call$0() {
  	      return this._genericClosure.call$1$0(this.$ti._rest[0]);
  	    },
  	    call$2(a0, a1) {
  	      return this._genericClosure.call$1$2(a0, a1, this.$ti._rest[0]);
  	    },
  	    call$3(a0, a1, a2) {
  	      return this._genericClosure.call$1$3(a0, a1, a2, this.$ti._rest[0]);
  	    },
  	    call$4(a0, a1, a2, a3) {
  	      return this._genericClosure.call$1$4(a0, a1, a2, a3, this.$ti._rest[0]);
  	    },
  	    $signature() {
  	      return A.instantiatedGenericFunctionType(A.closureFunctionType(this._genericClosure), this.$ti);
  	    }
  	  };
  	  A.JSInvocationMirror.prototype = {
  	    get$memberName() {
  	      var t1 = this.__js_helper$_memberName;
  	      if (t1 instanceof A.Symbol)
  	        return t1;
  	      return this.__js_helper$_memberName = new A.Symbol(t1);
  	    },
  	    get$positionalArguments() {
  	      var t1, t2, argumentCount, list, index, _this = this;
  	      if (_this.__js_helper$_kind === 1)
  	        return B.List_empty6;
  	      t1 = _this._arguments;
  	      t2 = J.getInterceptor$asx(t1);
  	      argumentCount = t2.get$length(t1) - J.get$length$asx(_this._namedArgumentNames) - _this._typeArgumentCount;
  	      if (argumentCount === 0)
  	        return B.List_empty6;
  	      list = [];
  	      for (index = 0; index < argumentCount; ++index)
  	        list.push(t2.$index(t1, index));
  	      list.$flags = 3;
  	      return list;
  	    },
  	    get$namedArguments() {
  	      var t1, t2, namedArgumentCount, t3, t4, namedArgumentsStartIndex, map, i, _this = this;
  	      if (_this.__js_helper$_kind !== 0)
  	        return B.Map_empty2;
  	      t1 = _this._namedArgumentNames;
  	      t2 = J.getInterceptor$asx(t1);
  	      namedArgumentCount = t2.get$length(t1);
  	      t3 = _this._arguments;
  	      t4 = J.getInterceptor$asx(t3);
  	      namedArgumentsStartIndex = t4.get$length(t3) - namedArgumentCount - _this._typeArgumentCount;
  	      if (namedArgumentCount === 0)
  	        return B.Map_empty2;
  	      map = new A.JsLinkedHashMap(type$.JsLinkedHashMap_Symbol_dynamic);
  	      for (i = 0; i < namedArgumentCount; ++i)
  	        map.$indexSet(0, new A.Symbol(t2.$index(t1, i)), t4.$index(t3, namedArgumentsStartIndex + i));
  	      return new A.ConstantMapView(map, type$.ConstantMapView_Symbol_dynamic);
  	    }
  	  };
  	  A.Primitives_functionNoSuchMethod_closure.prototype = {
  	    call$2($name, argument) {
  	      var t1 = this._box_0;
  	      t1.names = t1.names + "$" + $name;
  	      this.namedArgumentList.push($name);
  	      this.$arguments.push(argument);
  	      ++t1.argumentCount;
  	    },
  	    $signature: 140
  	  };
  	  A.SafeToStringHook.prototype = {};
  	  A.TypeErrorDecoder.prototype = {
  	    matchTypeError$1(message) {
  	      var result, t1, _this = this,
  	        match = new RegExp(_this._pattern).exec(message);
  	      if (match == null)
  	        return null;
  	      result = Object.create(null);
  	      t1 = _this._arguments;
  	      if (t1 !== -1)
  	        result.arguments = match[t1 + 1];
  	      t1 = _this._argumentsExpr;
  	      if (t1 !== -1)
  	        result.argumentsExpr = match[t1 + 1];
  	      t1 = _this._expr;
  	      if (t1 !== -1)
  	        result.expr = match[t1 + 1];
  	      t1 = _this._method;
  	      if (t1 !== -1)
  	        result.method = match[t1 + 1];
  	      t1 = _this._receiver;
  	      if (t1 !== -1)
  	        result.receiver = match[t1 + 1];
  	      return result;
  	    }
  	  };
  	  A.NullError.prototype = {
  	    toString$0(_) {
  	      return "Null check operator used on a null value";
  	    }
  	  };
  	  A.JsNoSuchMethodError.prototype = {
  	    toString$0(_) {
  	      var t2, _this = this,
  	        _s38_ = "NoSuchMethodError: method not found: '",
  	        t1 = _this._method;
  	      if (t1 == null)
  	        return "NoSuchMethodError: " + _this.__js_helper$_message;
  	      t2 = _this._receiver;
  	      if (t2 == null)
  	        return _s38_ + t1 + "' (" + _this.__js_helper$_message + ")";
  	      return _s38_ + t1 + "' on '" + t2 + "' (" + _this.__js_helper$_message + ")";
  	    }
  	  };
  	  A.UnknownJsTypeError.prototype = {
  	    toString$0(_) {
  	      var t1 = this.__js_helper$_message;
  	      return t1.length === 0 ? "Error" : "Error: " + t1;
  	    }
  	  };
  	  A.NullThrownFromJavaScriptException.prototype = {
  	    toString$0(_) {
  	      return "Throw of null ('" + (this._irritant === null ? "null" : "undefined") + "' from JavaScript)";
  	    },
  	    $isException: 1
  	  };
  	  A.ExceptionAndStackTrace.prototype = {};
  	  A._StackTrace.prototype = {
  	    toString$0(_) {
  	      var trace,
  	        t1 = this._trace;
  	      if (t1 != null)
  	        return t1;
  	      t1 = this._exception;
  	      trace = t1 !== null && typeof t1 === "object" ? t1.stack : null;
  	      return this._trace = trace == null ? "" : trace;
  	    },
  	    $isStackTrace: 1
  	  };
  	  A.Closure.prototype = {
  	    toString$0(_) {
  	      var $constructor = this.constructor,
  	        $name = $constructor == null ? null : $constructor.name;
  	      return "Closure '" + A.unminifyOrTag($name == null ? "unknown" : $name) + "'";
  	    },
  	    $isFunction: 1,
  	    get$$call() {
  	      return this;
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 1,
  	    $defaultValues: null
  	  };
  	  A.Closure0Args.prototype = {"call*": "call$0", $requiredArgCount: 0};
  	  A.Closure2Args.prototype = {"call*": "call$2", $requiredArgCount: 2};
  	  A.TearOffClosure.prototype = {};
  	  A.StaticClosure.prototype = {
  	    toString$0(_) {
  	      var $name = this.$static_name;
  	      if ($name == null)
  	        return "Closure of unknown static method";
  	      return "Closure '" + A.unminifyOrTag($name) + "'";
  	    }
  	  };
  	  A.BoundClosure.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      if (this === other)
  	        return true;
  	      if (!(other instanceof A.BoundClosure))
  	        return false;
  	      return this.$_target === other.$_target && this._receiver === other._receiver;
  	    },
  	    get$hashCode(_) {
  	      return (A.objectHashCode(this._receiver) ^ A.Primitives_objectHashCode(this.$_target)) >>> 0;
  	    },
  	    toString$0(_) {
  	      return "Closure '" + this.$_name + "' of " + ("Instance of '" + A.Primitives_objectTypeName(this._receiver) + "'");
  	    }
  	  };
  	  A.RuntimeError.prototype = {
  	    toString$0(_) {
  	      return "RuntimeError: " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A._Required.prototype = {};
  	  A.JsLinkedHashMap.prototype = {
  	    get$length(_) {
  	      return this.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this.__js_helper$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.__js_helper$_length !== 0;
  	    },
  	    get$keys(_) {
  	      return new A.LinkedHashMapKeysIterable(this, A._instanceType(this)._eval$1("LinkedHashMapKeysIterable<1>"));
  	    },
  	    get$values(_) {
  	      return new A.LinkedHashMapValuesIterable(this, A._instanceType(this)._eval$1("LinkedHashMapValuesIterable<2>"));
  	    },
  	    get$entries(_) {
  	      return new A.LinkedHashMapEntriesIterable(this, A._instanceType(this)._eval$1("LinkedHashMapEntriesIterable<1,2>"));
  	    },
  	    containsKey$1(key) {
  	      var strings, nums;
  	      if (typeof key == "string") {
  	        strings = this._strings;
  	        if (strings == null)
  	          return false;
  	        return strings[key] != null;
  	      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
  	        nums = this._nums;
  	        if (nums == null)
  	          return false;
  	        return nums[key] != null;
  	      } else
  	        return this.internalContainsKey$1(key);
  	    },
  	    internalContainsKey$1(key) {
  	      var rest = this.__js_helper$_rest;
  	      if (rest == null)
  	        return false;
  	      return this.internalFindBucketIndex$2(rest[this.internalComputeHashCode$1(key)], key) >= 0;
  	    },
  	    addAll$1(_, other) {
  	      other.forEach$1(0, new A.JsLinkedHashMap_addAll_closure(this));
  	    },
  	    $index(_, key) {
  	      var strings, cell, t1, nums, _null = null;
  	      if (typeof key == "string") {
  	        strings = this._strings;
  	        if (strings == null)
  	          return _null;
  	        cell = strings[key];
  	        t1 = cell == null ? _null : cell.hashMapCellValue;
  	        return t1;
  	      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
  	        nums = this._nums;
  	        if (nums == null)
  	          return _null;
  	        cell = nums[key];
  	        t1 = cell == null ? _null : cell.hashMapCellValue;
  	        return t1;
  	      } else
  	        return this.internalGet$1(key);
  	    },
  	    internalGet$1(key) {
  	      var bucket, index,
  	        rest = this.__js_helper$_rest;
  	      if (rest == null)
  	        return null;
  	      bucket = rest[this.internalComputeHashCode$1(key)];
  	      index = this.internalFindBucketIndex$2(bucket, key);
  	      if (index < 0)
  	        return null;
  	      return bucket[index].hashMapCellValue;
  	    },
  	    $indexSet(_, key, value) {
  	      var strings, nums, _this = this;
  	      if (typeof key == "string") {
  	        strings = _this._strings;
  	        _this._addHashTableEntry$3(strings == null ? _this._strings = _this._newHashTable$0() : strings, key, value);
  	      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
  	        nums = _this._nums;
  	        _this._addHashTableEntry$3(nums == null ? _this._nums = _this._newHashTable$0() : nums, key, value);
  	      } else
  	        _this.internalSet$2(key, value);
  	    },
  	    internalSet$2(key, value) {
  	      var hash, bucket, index, _this = this,
  	        rest = _this.__js_helper$_rest;
  	      if (rest == null)
  	        rest = _this.__js_helper$_rest = _this._newHashTable$0();
  	      hash = _this.internalComputeHashCode$1(key);
  	      bucket = rest[hash];
  	      if (bucket == null)
  	        rest[hash] = [_this._newLinkedCell$2(key, value)];
  	      else {
  	        index = _this.internalFindBucketIndex$2(bucket, key);
  	        if (index >= 0)
  	          bucket[index].hashMapCellValue = value;
  	        else
  	          bucket.push(_this._newLinkedCell$2(key, value));
  	      }
  	    },
  	    putIfAbsent$2(key, ifAbsent) {
  	      var t1, value, _this = this;
  	      if (_this.containsKey$1(key)) {
  	        t1 = _this.$index(0, key);
  	        return t1 == null ? A._instanceType(_this)._rest[1]._as(t1) : t1;
  	      }
  	      value = ifAbsent.call$0();
  	      _this.$indexSet(0, key, value);
  	      return value;
  	    },
  	    remove$1(_, key) {
  	      var _this = this;
  	      if (typeof key == "string")
  	        return _this.__js_helper$_removeHashTableEntry$2(_this._strings, key);
  	      else if (typeof key == "number" && (key & 0x3fffffff) === key)
  	        return _this.__js_helper$_removeHashTableEntry$2(_this._nums, key);
  	      else
  	        return _this.internalRemove$1(key);
  	    },
  	    internalRemove$1(key) {
  	      var hash, bucket, index, cell, _this = this,
  	        rest = _this.__js_helper$_rest;
  	      if (rest == null)
  	        return null;
  	      hash = _this.internalComputeHashCode$1(key);
  	      bucket = rest[hash];
  	      index = _this.internalFindBucketIndex$2(bucket, key);
  	      if (index < 0)
  	        return null;
  	      cell = bucket.splice(index, 1)[0];
  	      _this.__js_helper$_unlinkCell$1(cell);
  	      if (bucket.length === 0)
  	        delete rest[hash];
  	      return cell.hashMapCellValue;
  	    },
  	    clear$0(_) {
  	      var _this = this;
  	      if (_this.__js_helper$_length > 0) {
  	        _this._strings = _this._nums = _this.__js_helper$_rest = _this._first = _this._last = null;
  	        _this.__js_helper$_length = 0;
  	        _this._modified$0();
  	      }
  	    },
  	    forEach$1(_, action) {
  	      var _this = this,
  	        cell = _this._first,
  	        modifications = _this._modifications;
  	      while (cell != null) {
  	        action.call$2(cell.hashMapCellKey, cell.hashMapCellValue);
  	        if (modifications !== _this._modifications)
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	        cell = cell._next;
  	      }
  	    },
  	    _addHashTableEntry$3(table, key, value) {
  	      var cell = table[key];
  	      if (cell == null)
  	        table[key] = this._newLinkedCell$2(key, value);
  	      else
  	        cell.hashMapCellValue = value;
  	    },
  	    __js_helper$_removeHashTableEntry$2(table, key) {
  	      var cell;
  	      if (table == null)
  	        return null;
  	      cell = table[key];
  	      if (cell == null)
  	        return null;
  	      this.__js_helper$_unlinkCell$1(cell);
  	      delete table[key];
  	      return cell.hashMapCellValue;
  	    },
  	    _modified$0() {
  	      this._modifications = this._modifications + 1 & 1073741823;
  	    },
  	    _newLinkedCell$2(key, value) {
  	      var t1, _this = this,
  	        cell = new A.LinkedHashMapCell(key, value);
  	      if (_this._first == null)
  	        _this._first = _this._last = cell;
  	      else {
  	        t1 = _this._last;
  	        t1.toString;
  	        cell._previous = t1;
  	        _this._last = t1._next = cell;
  	      }
  	      ++_this.__js_helper$_length;
  	      _this._modified$0();
  	      return cell;
  	    },
  	    __js_helper$_unlinkCell$1(cell) {
  	      var _this = this,
  	        previous = cell._previous,
  	        next = cell._next;
  	      if (previous == null)
  	        _this._first = next;
  	      else
  	        previous._next = next;
  	      if (next == null)
  	        _this._last = previous;
  	      else
  	        next._previous = previous;
  	      --_this.__js_helper$_length;
  	      _this._modified$0();
  	    },
  	    internalComputeHashCode$1(key) {
  	      return J.get$hashCode$(key) & 1073741823;
  	    },
  	    internalFindBucketIndex$2(bucket, key) {
  	      var $length, i;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; ++i)
  	        if (J.$eq$(bucket[i].hashMapCellKey, key))
  	          return i;
  	      return -1;
  	    },
  	    toString$0(_) {
  	      return A.MapBase_mapToString(this);
  	    },
  	    _newHashTable$0() {
  	      var table = Object.create(null);
  	      table["<non-identifier-key>"] = table;
  	      delete table["<non-identifier-key>"];
  	      return table;
  	    }
  	  };
  	  A.JsLinkedHashMap_addAll_closure.prototype = {
  	    call$2(key, value) {
  	      this.$this.$indexSet(0, key, value);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("~(1,2)");
  	    }
  	  };
  	  A.LinkedHashMapCell.prototype = {};
  	  A.LinkedHashMapKeysIterable.prototype = {
  	    get$length(_) {
  	      return this.__js_helper$_map.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this.__js_helper$_map.__js_helper$_length === 0;
  	    },
  	    get$iterator(_) {
  	      var t1 = this.__js_helper$_map;
  	      return new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first);
  	    },
  	    contains$1(_, element) {
  	      return this.__js_helper$_map.containsKey$1(element);
  	    }
  	  };
  	  A.LinkedHashMapKeyIterator.prototype = {
  	    get$current(_) {
  	      return this.__js_helper$_current;
  	    },
  	    moveNext$0() {
  	      var cell, _this = this,
  	        t1 = _this.__js_helper$_map;
  	      if (_this._modifications !== t1._modifications)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      cell = _this._cell;
  	      if (cell == null) {
  	        _this.__js_helper$_current = null;
  	        return false;
  	      } else {
  	        _this.__js_helper$_current = cell.hashMapCellKey;
  	        _this._cell = cell._next;
  	        return true;
  	      }
  	    }
  	  };
  	  A.LinkedHashMapValuesIterable.prototype = {
  	    get$length(_) {
  	      return this.__js_helper$_map.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this.__js_helper$_map.__js_helper$_length === 0;
  	    },
  	    get$iterator(_) {
  	      var t1 = this.__js_helper$_map;
  	      return new A.LinkedHashMapValueIterator(t1, t1._modifications, t1._first);
  	    }
  	  };
  	  A.LinkedHashMapValueIterator.prototype = {
  	    get$current(_) {
  	      return this.__js_helper$_current;
  	    },
  	    moveNext$0() {
  	      var cell, _this = this,
  	        t1 = _this.__js_helper$_map;
  	      if (_this._modifications !== t1._modifications)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      cell = _this._cell;
  	      if (cell == null) {
  	        _this.__js_helper$_current = null;
  	        return false;
  	      } else {
  	        _this.__js_helper$_current = cell.hashMapCellValue;
  	        _this._cell = cell._next;
  	        return true;
  	      }
  	    }
  	  };
  	  A.LinkedHashMapEntriesIterable.prototype = {
  	    get$length(_) {
  	      return this.__js_helper$_map.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this.__js_helper$_map.__js_helper$_length === 0;
  	    },
  	    get$iterator(_) {
  	      var t1 = this.__js_helper$_map;
  	      return new A.LinkedHashMapEntryIterator(t1, t1._modifications, t1._first, this.$ti._eval$1("LinkedHashMapEntryIterator<1,2>"));
  	    }
  	  };
  	  A.LinkedHashMapEntryIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this.__js_helper$_current;
  	      t1.toString;
  	      return t1;
  	    },
  	    moveNext$0() {
  	      var cell, _this = this,
  	        t1 = _this.__js_helper$_map;
  	      if (_this._modifications !== t1._modifications)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      cell = _this._cell;
  	      if (cell == null) {
  	        _this.__js_helper$_current = null;
  	        return false;
  	      } else {
  	        _this.__js_helper$_current = new A.MapEntry(cell.hashMapCellKey, cell.hashMapCellValue, _this.$ti._eval$1("MapEntry<1,2>"));
  	        _this._cell = cell._next;
  	        return true;
  	      }
  	    }
  	  };
  	  A.JsIdentityLinkedHashMap.prototype = {
  	    internalComputeHashCode$1(key) {
  	      return A.objectHashCode(key) & 1073741823;
  	    },
  	    internalFindBucketIndex$2(bucket, key) {
  	      var $length, i, t1;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; ++i) {
  	        t1 = bucket[i].hashMapCellKey;
  	        if (t1 == null ? key == null : t1 === key)
  	          return i;
  	      }
  	      return -1;
  	    }
  	  };
  	  A.JsConstantLinkedHashMap.prototype = {
  	    internalComputeHashCode$1(key) {
  	      return A.constantHashCode(key) & 1073741823;
  	    },
  	    internalFindBucketIndex$2(bucket, key) {
  	      var $length, i;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; ++i)
  	        if (J.$eq$(bucket[i].hashMapCellKey, key))
  	          return i;
  	      return -1;
  	    }
  	  };
  	  A.initHooks_closure.prototype = {
  	    call$1(o) {
  	      return this.getTag(o);
  	    },
  	    $signature: 108
  	  };
  	  A.initHooks_closure0.prototype = {
  	    call$2(o, tag) {
  	      return this.getUnknownTag(o, tag);
  	    },
  	    $signature: 339
  	  };
  	  A.initHooks_closure1.prototype = {
  	    call$1(tag) {
  	      return this.prototypeForTag(tag);
  	    },
  	    $signature: 186
  	  };
  	  A._Record.prototype = {
  	    toString$0(_) {
  	      return this._toString$1(false);
  	    },
  	    _toString$1(safe) {
  	      var t2, separator, i, key, value,
  	        keys = this._fieldKeys$0(),
  	        values = this._getFieldValues$0(),
  	        t1 = (safe ? "Record " : "") + "(";
  	      for (t2 = keys.length, separator = "", i = 0; i < t2; ++i, separator = ", ") {
  	        t1 += separator;
  	        key = keys[i];
  	        if (typeof key == "string")
  	          t1 = t1 + key + ": ";
  	        value = values[i];
  	        t1 = safe ? t1 + A.Primitives_safeToString(value) : t1 + A.S(value);
  	      }
  	      t1 += ")";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _fieldKeys$0() {
  	      var t1,
  	        shapeTag = this.$shape;
  	      while ($._Record__computedFieldKeys.length <= shapeTag)
  	        $._Record__computedFieldKeys.push(null);
  	      t1 = $._Record__computedFieldKeys[shapeTag];
  	      if (t1 == null) {
  	        t1 = this._computeFieldKeys$0();
  	        $._Record__computedFieldKeys[shapeTag] = t1;
  	      }
  	      return t1;
  	    },
  	    _computeFieldKeys$0() {
  	      var i, names, last,
  	        recipe = this.$recipe,
  	        position = recipe.indexOf("("),
  	        joinedNames = recipe.substring(1, position),
  	        fields = recipe.substring(position),
  	        arity = fields === "()" ? 0 : fields.replace(/[^,]/g, "").length + 1,
  	        t1 = type$.Object,
  	        result = J.JSArray_JSArray$allocateGrowable(arity, t1);
  	      for (i = 0; i < arity; ++i)
  	        result[i] = i;
  	      if (joinedNames !== "") {
  	        names = joinedNames.split(",");
  	        i = names.length;
  	        for (last = arity; i > 0;) {
  	          --last;
  	          --i;
  	          result[last] = names[i];
  	        }
  	      }
  	      return A.List_List$unmodifiable(result, t1);
  	    }
  	  };
  	  A._Record2.prototype = {
  	    _getFieldValues$0() {
  	      return [this._0, this._1];
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A._Record2 && this.$shape === other.$shape && J.$eq$(this._0, other._0) && J.$eq$(this._1, other._1);
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this.$shape, this._0, this._1, B.C_SentinelValue);
  	    }
  	  };
  	  A._Record1.prototype = {
  	    _getFieldValues$0() {
  	      return [this._0];
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A._Record1 && this.$shape === other.$shape && J.$eq$(this._0, other._0);
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this.$shape, this._0, B.C_SentinelValue, B.C_SentinelValue);
  	    }
  	  };
  	  A._Record3.prototype = {
  	    _getFieldValues$0() {
  	      return [this._0, this._1, this._2];
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A._Record3 && _this.$shape === other.$shape && J.$eq$(_this._0, other._0) && J.$eq$(_this._1, other._1) && J.$eq$(_this._2, other._2);
  	    },
  	    get$hashCode(_) {
  	      var _this = this;
  	      return A.Object_hash(_this.$shape, _this._0, _this._1, _this._2);
  	    }
  	  };
  	  A._RecordN.prototype = {
  	    _getFieldValues$0() {
  	      return this._values;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A._RecordN && this.$shape === other.$shape && A._RecordN__equalValues(this._values, other._values);
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this.$shape, A.Object_hashAll(this._values), B.C_SentinelValue, B.C_SentinelValue);
  	    }
  	  };
  	  A.JSSyntaxRegExp.prototype = {
  	    toString$0(_) {
  	      return "RegExp/" + this.pattern + "/" + this._nativeRegExp.flags;
  	    },
  	    get$_nativeGlobalVersion() {
  	      var _this = this,
  	        t1 = _this._nativeGlobalRegExp;
  	      if (t1 != null)
  	        return t1;
  	      t1 = _this._nativeRegExp;
  	      return _this._nativeGlobalRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern, t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, "g");
  	    },
  	    get$_nativeAnchoredVersion() {
  	      var _this = this,
  	        t1 = _this._nativeAnchoredRegExp;
  	      if (t1 != null)
  	        return t1;
  	      t1 = _this._nativeRegExp;
  	      return _this._nativeAnchoredRegExp = A.JSSyntaxRegExp_makeNative(_this.pattern, t1.multiline, !t1.ignoreCase, t1.unicode, t1.dotAll, "y");
  	    },
  	    _computeHasCaptures$0() {
  	      var t2,
  	        t1 = this.pattern;
  	      if (!B.JSString_methods.contains$1(t1, "("))
  	        return false;
  	      t2 = this._nativeRegExp.unicode ? "u" : "";
  	      return new RegExp("(?:)|" + t1, t2).exec("").length > 1;
  	    },
  	    firstMatch$1(string) {
  	      var m = this._nativeRegExp.exec(string);
  	      if (m == null)
  	        return null;
  	      return new A._MatchImplementation(m);
  	    },
  	    allMatches$2(_, string, start) {
  	      var t1 = string.length;
  	      if (start > t1)
  	        throw A.wrapException(A.RangeError$range(start, 0, t1, null, null));
  	      return new A._AllMatchesIterable(this, string, start);
  	    },
  	    allMatches$1(_, string) {
  	      return this.allMatches$2(0, string, 0);
  	    },
  	    _execGlobal$2(string, start) {
  	      var match,
  	        regexp = this.get$_nativeGlobalVersion();
  	      regexp.lastIndex = start;
  	      match = regexp.exec(string);
  	      if (match == null)
  	        return null;
  	      return new A._MatchImplementation(match);
  	    },
  	    _execAnchored$2(string, start) {
  	      var match,
  	        regexp = this.get$_nativeAnchoredVersion();
  	      regexp.lastIndex = start;
  	      match = regexp.exec(string);
  	      if (match == null)
  	        return null;
  	      return new A._MatchImplementation(match);
  	    },
  	    matchAsPrefix$2(_, string, start) {
  	      if (start < 0 || start > string.length)
  	        throw A.wrapException(A.RangeError$range(start, 0, string.length, null, null));
  	      return this._execAnchored$2(string, start);
  	    }
  	  };
  	  A._MatchImplementation.prototype = {
  	    get$start(_) {
  	      return this._match.index;
  	    },
  	    get$end(_) {
  	      var t1 = this._match;
  	      return t1.index + t1[0].length;
  	    },
  	    namedGroup$1($name) {
  	      var result,
  	        groups = this._match.groups;
  	      if (groups != null) {
  	        result = groups[$name];
  	        if (result != null || $name in groups)
  	          return result;
  	      }
  	      throw A.wrapException(A.ArgumentError$value($name, "name", "Not a capture group name"));
  	    },
  	    $isMatch: 1,
  	    $isRegExpMatch: 1
  	  };
  	  A._AllMatchesIterable.prototype = {
  	    get$iterator(_) {
  	      return new A._AllMatchesIterator(this._re, this.__js_helper$_string, this.__js_helper$_start);
  	    }
  	  };
  	  A._AllMatchesIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this.__js_helper$_current;
  	      return t1 == null ? type$.RegExpMatch._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var t1, t2, t3, match, nextIndex, t4, _this = this,
  	        string = _this.__js_helper$_string;
  	      if (string == null)
  	        return false;
  	      t1 = _this._nextIndex;
  	      t2 = string.length;
  	      if (t1 <= t2) {
  	        t3 = _this._regExp;
  	        match = t3._execGlobal$2(string, t1);
  	        if (match != null) {
  	          _this.__js_helper$_current = match;
  	          nextIndex = match.get$end(0);
  	          if (match._match.index === nextIndex) {
  	            t1 = false;
  	            if (t3._nativeRegExp.unicode) {
  	              t3 = _this._nextIndex;
  	              t4 = t3 + 1;
  	              if (t4 < t2) {
  	                t2 = string.charCodeAt(t3);
  	                if (t2 >= 55296 && t2 <= 56319) {
  	                  t1 = string.charCodeAt(t4);
  	                  t1 = t1 >= 56320 && t1 <= 57343;
  	                }
  	              }
  	            }
  	            nextIndex = (t1 ? nextIndex + 1 : nextIndex) + 1;
  	          }
  	          _this._nextIndex = nextIndex;
  	          return true;
  	        }
  	      }
  	      _this.__js_helper$_string = _this.__js_helper$_current = null;
  	      return false;
  	    }
  	  };
  	  A.StringMatch.prototype = {
  	    get$end(_) {
  	      return this.start + this.pattern.length;
  	    },
  	    $isMatch: 1,
  	    get$start(receiver) {
  	      return this.start;
  	    }
  	  };
  	  A._StringAllMatchesIterable.prototype = {
  	    get$iterator(_) {
  	      return new A._StringAllMatchesIterator(this._input, this._pattern, this.__js_helper$_index);
  	    },
  	    get$first(_) {
  	      var t1 = this._pattern,
  	        index = this._input.indexOf(t1, this.__js_helper$_index);
  	      if (index >= 0)
  	        return new A.StringMatch(index, t1);
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    }
  	  };
  	  A._StringAllMatchesIterator.prototype = {
  	    moveNext$0() {
  	      var index, end, _this = this,
  	        t1 = _this.__js_helper$_index,
  	        t2 = _this._pattern,
  	        t3 = t2.length,
  	        t4 = _this._input,
  	        t5 = t4.length;
  	      if (t1 + t3 > t5) {
  	        _this.__js_helper$_current = null;
  	        return false;
  	      }
  	      index = t4.indexOf(t2, t1);
  	      if (index < 0) {
  	        _this.__js_helper$_index = t5 + 1;
  	        _this.__js_helper$_current = null;
  	        return false;
  	      }
  	      end = index + t3;
  	      _this.__js_helper$_current = new A.StringMatch(index, t2);
  	      _this.__js_helper$_index = end === _this.__js_helper$_index ? end + 1 : end;
  	      return true;
  	    },
  	    get$current(_) {
  	      var t1 = this.__js_helper$_current;
  	      t1.toString;
  	      return t1;
  	    }
  	  };
  	  A._Cell.prototype = {
  	    readLocal$1$0() {
  	      var t1 = this.__late_helper$_value;
  	      if (t1 === this)
  	        A.throwExpression(new A.LateError("Local '' has not been initialized."));
  	      return t1;
  	    },
  	    readLocal$0() {
  	      return this.readLocal$1$0(type$.dynamic);
  	    },
  	    _readLocal$0() {
  	      var t1 = this.__late_helper$_value;
  	      if (t1 === this)
  	        throw A.wrapException(new A.LateError("Local '' has not been initialized."));
  	      return t1;
  	    }
  	  };
  	  A.NativeByteBuffer.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_ByteBuffer_rqD;
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isByteBuffer: 1
  	  };
  	  A.NativeTypedData.prototype = {
  	    _invalidPosition$3(receiver, position, $length, $name) {
  	      var t1 = A.RangeError$range(position, 0, $length, $name, null);
  	      throw A.wrapException(t1);
  	    },
  	    _checkPosition$3(receiver, position, $length, $name) {
  	      if (position >>> 0 !== position || position > $length)
  	        this._invalidPosition$3(receiver, position, $length, $name);
  	    }
  	  };
  	  A.NativeByteData.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_ByteData_9dB;
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isByteData: 1
  	  };
  	  A.NativeTypedArray.prototype = {
  	    get$length(receiver) {
  	      return receiver.length;
  	    },
  	    _setRangeFast$4(receiver, start, end, source, skipCount) {
  	      var count, sourceLength,
  	        targetLength = receiver.length;
  	      this._checkPosition$3(receiver, start, targetLength, "start");
  	      this._checkPosition$3(receiver, end, targetLength, "end");
  	      if (start > end)
  	        throw A.wrapException(A.RangeError$range(start, 0, end, null, null));
  	      count = end - start;
  	      if (skipCount < 0)
  	        throw A.wrapException(A.ArgumentError$(skipCount, null));
  	      sourceLength = source.length;
  	      if (sourceLength - skipCount < count)
  	        throw A.wrapException(A.StateError$("Not enough elements"));
  	      if (skipCount !== 0 || sourceLength !== count)
  	        source = source.subarray(skipCount, skipCount + count);
  	      receiver.set(source, start);
  	    },
  	    $isJavaScriptIndexingBehavior: 1
  	  };
  	  A.NativeTypedArrayOfDouble.prototype = {
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    $indexSet(receiver, index, value) {
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      receiver[index] = value;
  	    },
  	    setRange$4(receiver, start, end, iterable, skipCount) {
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, 5);
  	      if (type$.NativeTypedArrayOfDouble._is(iterable)) {
  	        this._setRangeFast$4(receiver, start, end, iterable, skipCount);
  	        return;
  	      }
  	      this.super$ListBase$setRange(receiver, start, end, iterable, skipCount);
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isIterable: 1,
  	    $isList: 1
  	  };
  	  A.NativeTypedArrayOfInt.prototype = {
  	    $indexSet(receiver, index, value) {
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver);
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      receiver[index] = value;
  	    },
  	    setRange$4(receiver, start, end, iterable, skipCount) {
  	      receiver.$flags & 2 && A.throwUnsupportedOperation(receiver, 5);
  	      if (type$.NativeTypedArrayOfInt._is(iterable)) {
  	        this._setRangeFast$4(receiver, start, end, iterable, skipCount);
  	        return;
  	      }
  	      this.super$ListBase$setRange(receiver, start, end, iterable, skipCount);
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isIterable: 1,
  	    $isList: 1
  	  };
  	  A.NativeFloat32List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Float32List_9Kz;
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Float32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isFloat32List: 1
  	  };
  	  A.NativeFloat64List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Float64List_9Kz;
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Float64Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isFloat64List: 1
  	  };
  	  A.NativeInt16List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Int16List_s5h;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Int16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isInt16List: 1
  	  };
  	  A.NativeInt32List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Int32List_O8Z;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Int32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isInt32List: 1
  	  };
  	  A.NativeInt8List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Int8List_rFV;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Int8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isInt8List: 1
  	  };
  	  A.NativeUint16List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Uint16List_kmP;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Uint16Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isUint16List: 1
  	  };
  	  A.NativeUint32List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Uint32List_kmP;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Uint32Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isUint32List: 1
  	  };
  	  A.NativeUint8ClampedList.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Uint8ClampedList_04U;
  	    },
  	    get$length(receiver) {
  	      return receiver.length;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Uint8ClampedArray(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isUint8ClampedList: 1
  	  };
  	  A.NativeUint8List.prototype = {
  	    get$runtimeType(receiver) {
  	      return B.Type_Uint8List_8Eb;
  	    },
  	    get$length(receiver) {
  	      return receiver.length;
  	    },
  	    $index(receiver, index) {
  	      A._checkValidIndex(index, receiver, receiver.length);
  	      return receiver[index];
  	    },
  	    sublist$2(receiver, start, end) {
  	      return new Uint8Array(receiver.subarray(start, A._checkValidRange(start, end, receiver.length)));
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    $isTrustedGetRuntimeType: 1,
  	    $isNativeUint8List: 1,
  	    $isUint8List: 1
  	  };
  	  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.prototype = {};
  	  A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
  	  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin.prototype = {};
  	  A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin.prototype = {};
  	  A.Rti.prototype = {
  	    _eval$1(recipe) {
  	      return A._Universe_evalInEnvironment(init.typeUniverse, this, recipe);
  	    },
  	    _bind$1(typeOrTuple) {
  	      return A._Universe_bind(init.typeUniverse, this, typeOrTuple);
  	    }
  	  };
  	  A._FunctionParameters.prototype = {};
  	  A._Type.prototype = {
  	    toString$0(_) {
  	      return A._rtiToString(this._rti, null);
  	    }
  	  };
  	  A._Error.prototype = {
  	    toString$0(_) {
  	      return this.__rti$_message;
  	    }
  	  };
  	  A._TypeError.prototype = {
  	    get$message(_) {
  	      return this.__rti$_message;
  	    },
  	    $isTypeError: 1
  	  };
  	  A._AsyncRun__initializeScheduleImmediate_internalCallback.prototype = {
  	    call$1(__wc0_formal) {
  	      var t1 = this._box_0,
  	        f = t1.storedCallback;
  	      t1.storedCallback = null;
  	      f.call$0();
  	    },
  	    $signature: 62
  	  };
  	  A._AsyncRun__initializeScheduleImmediate_closure.prototype = {
  	    call$1(callback) {
  	      var t1, t2;
  	      this._box_0.storedCallback = callback;
  	      t1 = this.div;
  	      t2 = this.span;
  	      t1.firstChild ? t1.removeChild(t2) : t1.appendChild(t2);
  	    },
  	    $signature: 35
  	  };
  	  A._AsyncRun__scheduleImmediateJsOverride_internalCallback.prototype = {
  	    call$0() {
  	      this.callback.call$0();
  	    },
  	    $signature: 1
  	  };
  	  A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback.prototype = {
  	    call$0() {
  	      this.callback.call$0();
  	    },
  	    $signature: 1
  	  };
  	  A._TimerImpl.prototype = {
  	    _TimerImpl$2(milliseconds, callback) {
  	      if (self.setTimeout != null)
  	        this._handle = self.setTimeout(A.convertDartClosureToJS(new A._TimerImpl_internalCallback(this, callback), 0), milliseconds);
  	      else
  	        throw A.wrapException(A.UnsupportedError$("`setTimeout()` not found."));
  	    },
  	    _TimerImpl$periodic$2(milliseconds, callback) {
  	      if (self.setTimeout != null)
  	        this._handle = self.setInterval(A.convertDartClosureToJS(new A._TimerImpl$periodic_closure(this, milliseconds, Date.now(), callback), 0), milliseconds);
  	      else
  	        throw A.wrapException(A.UnsupportedError$("Periodic timer."));
  	    },
  	    cancel$0() {
  	      if (self.setTimeout != null) {
  	        var t1 = this._handle;
  	        if (t1 == null)
  	          return;
  	        if (this._once)
  	          self.clearTimeout(t1);
  	        else
  	          self.clearInterval(t1);
  	        this._handle = null;
  	      } else
  	        throw A.wrapException(A.UnsupportedError$("Canceling a timer."));
  	    }
  	  };
  	  A._TimerImpl_internalCallback.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._handle = null;
  	      t1._tick = 1;
  	      this.callback.call$0();
  	    },
  	    $signature: 0
  	  };
  	  A._TimerImpl$periodic_closure.prototype = {
  	    call$0() {
  	      var duration, _this = this,
  	        t1 = _this.$this,
  	        tick = t1._tick + 1,
  	        t2 = _this.milliseconds;
  	      if (t2 > 0) {
  	        duration = Date.now() - _this.start;
  	        if (duration > (tick + 1) * t2)
  	          tick = B.JSInt_methods.$tdiv(duration, t2);
  	      }
  	      t1._tick = tick;
  	      _this.callback.call$1(t1);
  	    },
  	    $signature: 1
  	  };
  	  A._AsyncAwaitCompleter.prototype = {
  	    complete$1(value) {
  	      var t1, _this = this;
  	      if (value == null)
  	        value = _this.$ti._precomputed1._as(value);
  	      if (!_this.isSync)
  	        _this._future._asyncComplete$1(value);
  	      else {
  	        t1 = _this._future;
  	        if (_this.$ti._eval$1("Future<1>")._is(value))
  	          t1._chainFuture$1(value);
  	        else
  	          t1._completeWithValue$1(value);
  	      }
  	    },
  	    completeError$2(e, st) {
  	      var t1 = this._future;
  	      if (this.isSync)
  	        t1._completeErrorObject$1(new A.AsyncError(e, st));
  	      else
  	        t1._asyncCompleteErrorObject$1(new A.AsyncError(e, st));
  	    }
  	  };
  	  A._awaitOnObject_closure.prototype = {
  	    call$1(result) {
  	      return this.bodyFunction.call$2(0, result);
  	    },
  	    $signature: 71
  	  };
  	  A._awaitOnObject_closure0.prototype = {
  	    call$2(error, stackTrace) {
  	      this.bodyFunction.call$2(1, new A.ExceptionAndStackTrace(error, stackTrace));
  	    },
  	    $signature: 394
  	  };
  	  A._wrapJsFunctionForAsync_closure.prototype = {
  	    call$2(errorCode, result) {
  	      this.$protected(errorCode, result);
  	    },
  	    $signature: 357
  	  };
  	  A._SyncStarIterator.prototype = {
  	    get$current(_) {
  	      return this._async$_current;
  	    },
  	    _resumeBody$2(errorCode, errorValue) {
  	      var body, t1;
  	      errorCode = errorCode;
  	      errorValue = errorValue;
  	      body = this._body;
  	      for (;;)
  	        try {
  	          t1 = body(this, errorCode, errorValue);
  	          return t1;
  	        } catch (exception) {
  	          errorValue = exception;
  	          errorCode = 1;
  	        }
  	    },
  	    moveNext$0() {
  	      var nestedIterator, t1, value, suspendedBodies, _this = this, errorValue = null, errorCode = 0;
  	      for (;;) {
  	        nestedIterator = _this._nestedIterator;
  	        if (nestedIterator != null)
  	          try {
  	            if (nestedIterator.moveNext$0()) {
  	              t1 = nestedIterator;
  	              _this._async$_current = t1.get$current(t1);
  	              return true;
  	            } else
  	              _this._nestedIterator = null;
  	          } catch (exception) {
  	            errorValue = exception;
  	            errorCode = 1;
  	            _this._nestedIterator = null;
  	          }
  	        value = _this._resumeBody$2(errorCode, errorValue);
  	        if (1 === value)
  	          return true;
  	        if (0 === value) {
  	          _this._async$_current = null;
  	          suspendedBodies = _this._suspendedBodies;
  	          if (suspendedBodies == null || suspendedBodies.length === 0) {
  	            _this._body = A._SyncStarIterator__terminatedBody;
  	            return false;
  	          }
  	          _this._body = suspendedBodies.pop();
  	          errorCode = 0;
  	          errorValue = null;
  	          continue;
  	        }
  	        if (2 === value) {
  	          errorCode = 0;
  	          errorValue = null;
  	          continue;
  	        }
  	        if (3 === value) {
  	          errorValue = _this._datum;
  	          _this._datum = null;
  	          suspendedBodies = _this._suspendedBodies;
  	          if (suspendedBodies == null || suspendedBodies.length === 0) {
  	            _this._async$_current = null;
  	            _this._body = A._SyncStarIterator__terminatedBody;
  	            throw errorValue;
  	          }
  	          _this._body = suspendedBodies.pop();
  	          errorCode = 1;
  	          continue;
  	        }
  	        throw A.wrapException(A.StateError$("sync*"));
  	      }
  	      return false;
  	    },
  	    _yieldStar$1(iterable) {
  	      var t1, t2, _this = this;
  	      if (iterable instanceof A._SyncStarIterable) {
  	        t1 = iterable._outerHelper();
  	        t2 = _this._suspendedBodies;
  	        if (t2 == null)
  	          t2 = _this._suspendedBodies = [];
  	        t2.push(_this._body);
  	        _this._body = t1;
  	        return 2;
  	      } else {
  	        _this._nestedIterator = J.get$iterator$ax(iterable);
  	        return 2;
  	      }
  	    }
  	  };
  	  A._SyncStarIterable.prototype = {
  	    get$iterator(_) {
  	      return new A._SyncStarIterator(this._outerHelper());
  	    }
  	  };
  	  A.AsyncError.prototype = {
  	    toString$0(_) {
  	      return A.S(this.error);
  	    },
  	    $isError: 1,
  	    get$stackTrace() {
  	      return this.stackTrace;
  	    }
  	  };
  	  A.Future_wait_handleError.prototype = {
  	    call$2(theError, theStackTrace) {
  	      var _this = this,
  	        t1 = _this._box_0,
  	        t2 = --t1.remaining;
  	      if (t1.values != null) {
  	        t1.values = null;
  	        t1.error = theError;
  	        t1.stackTrace = theStackTrace;
  	        if (t2 === 0 || _this.eagerError)
  	          _this._future._completeErrorObject$1(new A.AsyncError(theError, theStackTrace));
  	      } else if (t2 === 0 && !_this.eagerError) {
  	        t2 = t1.error;
  	        t2.toString;
  	        t1 = t1.stackTrace;
  	        t1.toString;
  	        _this._future._completeErrorObject$1(new A.AsyncError(t2, t1));
  	      }
  	    },
  	    $signature: 70
  	  };
  	  A.Future_wait_closure.prototype = {
  	    call$1(value) {
  	      var t1, value0, t3, t4, _i, t5, _this = this,
  	        t2 = _this._box_0,
  	        remainingResults = --t2.remaining,
  	        valueList = t2.values;
  	      if (valueList != null) {
  	        J.$indexSet$ax(valueList, _this.pos, value);
  	        if (J.$eq$(remainingResults, 0)) {
  	          t2 = _this.T;
  	          t1 = A._setArrayType([], t2._eval$1("JSArray<0>"));
  	          for (t3 = valueList, t4 = t3.length, _i = 0; _i < t3.length; t3.length === t4 || (0, A.throwConcurrentModificationError)(t3), ++_i) {
  	            value0 = t3[_i];
  	            t5 = value0;
  	            if (t5 == null)
  	              t5 = t2._as(t5);
  	            J.add$1$ax(t1, t5);
  	          }
  	          _this._future._completeWithValue$1(t1);
  	        }
  	      } else if (J.$eq$(remainingResults, 0) && !_this.eagerError) {
  	        t1 = t2.error;
  	        t1.toString;
  	        t2 = t2.stackTrace;
  	        t2.toString;
  	        _this._future._completeErrorObject$1(new A.AsyncError(t1, t2));
  	      }
  	    },
  	    $signature() {
  	      return this.T._eval$1("Null(0)");
  	    }
  	  };
  	  A._Completer.prototype = {
  	    completeError$2(error, stackTrace) {
  	      if ((this.future._state & 30) !== 0)
  	        throw A.wrapException(A.StateError$("Future already completed"));
  	      this._completeErrorObject$1(A._interceptUserError(error, stackTrace));
  	    },
  	    completeError$1(error) {
  	      return this.completeError$2(error, null);
  	    }
  	  };
  	  A._AsyncCompleter.prototype = {
  	    complete$1(value) {
  	      var t1 = this.future;
  	      if ((t1._state & 30) !== 0)
  	        throw A.wrapException(A.StateError$("Future already completed"));
  	      t1._asyncComplete$1(value);
  	    },
  	    complete$0() {
  	      return this.complete$1(null);
  	    },
  	    _completeErrorObject$1(error) {
  	      this.future._asyncCompleteErrorObject$1(error);
  	    }
  	  };
  	  A._SyncCompleter.prototype = {
  	    complete$1(value) {
  	      var t1 = this.future;
  	      if ((t1._state & 30) !== 0)
  	        throw A.wrapException(A.StateError$("Future already completed"));
  	      t1._complete$1(value);
  	    },
  	    _completeErrorObject$1(error) {
  	      this.future._completeErrorObject$1(error);
  	    }
  	  };
  	  A._FutureListener.prototype = {
  	    matchesErrorTest$1(asyncError) {
  	      if ((this.state & 15) !== 6)
  	        return true;
  	      return this.result._zone.runUnary$2$2(this.callback, asyncError.error, type$.bool, type$.Object);
  	    },
  	    handleError$1(asyncError) {
  	      var errorCallback = this.errorCallback,
  	        result = null,
  	        t1 = type$.dynamic,
  	        t2 = type$.Object,
  	        t3 = asyncError.error,
  	        t4 = this.result._zone;
  	      if (type$.dynamic_Function_Object_StackTrace._is(errorCallback))
  	        result = t4.runBinary$3$3(errorCallback, t3, asyncError.stackTrace, t1, t2, type$.StackTrace);
  	      else
  	        result = t4.runUnary$2$2(errorCallback, t3, t1, t2);
  	      try {
  	        t1 = result;
  	        return t1;
  	      } catch (exception) {
  	        if (type$.TypeError._is(A.unwrapException(exception))) {
  	          if ((this.state & 1) !== 0)
  	            throw A.wrapException(A.ArgumentError$("The error handler of Future.then must return a value of the returned future's type", "onError"));
  	          throw A.wrapException(A.ArgumentError$("The error handler of Future.catchError must return a value of the future's type", "onError"));
  	        } else
  	          throw exception;
  	      }
  	    }
  	  };
  	  A._Future.prototype = {
  	    then$1$2$onError(_, f, onError, $R) {
  	      var result, t1,
  	        currentZone = $.Zone__current;
  	      if (currentZone === B.C__RootZone) {
  	        if (onError != null && !type$.dynamic_Function_Object_StackTrace._is(onError) && !type$.dynamic_Function_Object._is(onError))
  	          throw A.wrapException(A.ArgumentError$value(onError, "onError", string$.Error_));
  	      } else {
  	        f = currentZone.registerUnaryCallback$2$1(f, $R._eval$1("0/"), this.$ti._precomputed1);
  	        if (onError != null)
  	          onError = A._registerErrorHandler(onError, currentZone);
  	      }
  	      result = new A._Future($.Zone__current, $R._eval$1("_Future<0>"));
  	      t1 = onError == null ? 1 : 3;
  	      this._addListener$1(new A._FutureListener(result, t1, f, onError, this.$ti._eval$1("@<1>")._bind$1($R)._eval$1("_FutureListener<1,2>")));
  	      return result;
  	    },
  	    then$1$1(_, f, $R) {
  	      return this.then$1$2$onError(0, f, null, $R);
  	    },
  	    _thenAwait$1$2(f, onError, $E) {
  	      var result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
  	      this._addListener$1(new A._FutureListener(result, 19, f, onError, this.$ti._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
  	      return result;
  	    },
  	    catchError$1(onError) {
  	      var t1 = this.$ti,
  	        t2 = $.Zone__current,
  	        result = new A._Future(t2, t1);
  	      if (t2 !== B.C__RootZone)
  	        onError = A._registerErrorHandler(onError, t2);
  	      this._addListener$1(new A._FutureListener(result, 2, null, onError, t1._eval$1("_FutureListener<1,1>")));
  	      return result;
  	    },
  	    whenComplete$1(action) {
  	      var t1 = this.$ti,
  	        t2 = $.Zone__current,
  	        result = new A._Future(t2, t1);
  	      if (t2 !== B.C__RootZone)
  	        action = t2.registerCallback$1$1(action, type$.dynamic);
  	      this._addListener$1(new A._FutureListener(result, 8, action, null, t1._eval$1("_FutureListener<1,1>")));
  	      return result;
  	    },
  	    _setErrorObject$1(error) {
  	      this._state = this._state & 1 | 16;
  	      this._resultOrListeners = error;
  	    },
  	    _cloneResult$1(source) {
  	      this._state = source._state & 30 | this._state & 1;
  	      this._resultOrListeners = source._resultOrListeners;
  	    },
  	    _addListener$1(listener) {
  	      var _this = this,
  	        t1 = _this._state;
  	      if (t1 <= 3) {
  	        listener._nextListener = _this._resultOrListeners;
  	        _this._resultOrListeners = listener;
  	      } else {
  	        if ((t1 & 4) !== 0) {
  	          t1 = _this._resultOrListeners;
  	          if ((t1._state & 24) === 0) {
  	            t1._addListener$1(listener);
  	            return;
  	          }
  	          _this._cloneResult$1(t1);
  	        }
  	        _this._zone.scheduleMicrotask$1(new A._Future__addListener_closure(_this, listener));
  	      }
  	    },
  	    _prependListeners$1(listeners) {
  	      var t1, existingListeners, next, cursor, next0, _this = this, _box_0 = {};
  	      _box_0.listeners = listeners;
  	      if (listeners == null)
  	        return;
  	      t1 = _this._state;
  	      if (t1 <= 3) {
  	        existingListeners = _this._resultOrListeners;
  	        _this._resultOrListeners = listeners;
  	        if (existingListeners != null) {
  	          next = listeners._nextListener;
  	          for (cursor = listeners; next != null; cursor = next, next = next0)
  	            next0 = next._nextListener;
  	          cursor._nextListener = existingListeners;
  	        }
  	      } else {
  	        if ((t1 & 4) !== 0) {
  	          t1 = _this._resultOrListeners;
  	          if ((t1._state & 24) === 0) {
  	            t1._prependListeners$1(listeners);
  	            return;
  	          }
  	          _this._cloneResult$1(t1);
  	        }
  	        _box_0.listeners = _this._reverseListeners$1(listeners);
  	        _this._zone.scheduleMicrotask$1(new A._Future__prependListeners_closure(_box_0, _this));
  	      }
  	    },
  	    _removeListeners$0() {
  	      var current = this._resultOrListeners;
  	      this._resultOrListeners = null;
  	      return this._reverseListeners$1(current);
  	    },
  	    _reverseListeners$1(listeners) {
  	      var current, prev, next;
  	      for (current = listeners, prev = null; current != null; prev = current, current = next) {
  	        next = current._nextListener;
  	        current._nextListener = prev;
  	      }
  	      return prev;
  	    },
  	    _complete$1(value) {
  	      var listeners, _this = this;
  	      if (_this.$ti._eval$1("Future<1>")._is(value))
  	        A._Future__chainCoreFuture(value, _this, true);
  	      else {
  	        listeners = _this._removeListeners$0();
  	        _this._state = 8;
  	        _this._resultOrListeners = value;
  	        A._Future__propagateToListeners(_this, listeners);
  	      }
  	    },
  	    _completeWithValue$1(value) {
  	      var _this = this,
  	        listeners = _this._removeListeners$0();
  	      _this._state = 8;
  	      _this._resultOrListeners = value;
  	      A._Future__propagateToListeners(_this, listeners);
  	    },
  	    _completeWithResultOf$1(source) {
  	      var t1, t2, listeners, _this = this;
  	      if ((source._state & 16) !== 0) {
  	        t1 = _this._zone;
  	        t2 = source._zone;
  	        t1 = !(t1 === t2 || t1.get$errorZone() === t2.get$errorZone());
  	      } else
  	        t1 = false;
  	      if (t1)
  	        return;
  	      listeners = _this._removeListeners$0();
  	      _this._cloneResult$1(source);
  	      A._Future__propagateToListeners(_this, listeners);
  	    },
  	    _completeErrorObject$1(error) {
  	      var listeners = this._removeListeners$0();
  	      this._setErrorObject$1(error);
  	      A._Future__propagateToListeners(this, listeners);
  	    },
  	    _completeError$2(error, stackTrace) {
  	      this._completeErrorObject$1(new A.AsyncError(error, stackTrace));
  	    },
  	    _asyncComplete$1(value) {
  	      if (this.$ti._eval$1("Future<1>")._is(value)) {
  	        this._chainFuture$1(value);
  	        return;
  	      }
  	      this._asyncCompleteWithValue$1(value);
  	    },
  	    _asyncCompleteWithValue$1(value) {
  	      this._state ^= 2;
  	      this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteWithValue_closure(this, value));
  	    },
  	    _chainFuture$1(value) {
  	      A._Future__chainCoreFuture(value, this, false);
  	      return;
  	    },
  	    _asyncCompleteErrorObject$1(error) {
  	      this._state ^= 2;
  	      this._zone.scheduleMicrotask$1(new A._Future__asyncCompleteErrorObject_closure(this, error));
  	    },
  	    $isFuture: 1
  	  };
  	  A._Future__addListener_closure.prototype = {
  	    call$0() {
  	      A._Future__propagateToListeners(this.$this, this.listener);
  	    },
  	    $signature: 0
  	  };
  	  A._Future__prependListeners_closure.prototype = {
  	    call$0() {
  	      A._Future__propagateToListeners(this.$this, this._box_0.listeners);
  	    },
  	    $signature: 0
  	  };
  	  A._Future__chainCoreFuture_closure.prototype = {
  	    call$0() {
  	      A._Future__chainCoreFuture(this._box_0.source, this.target, true);
  	    },
  	    $signature: 0
  	  };
  	  A._Future__asyncCompleteWithValue_closure.prototype = {
  	    call$0() {
  	      this.$this._completeWithValue$1(this.value);
  	    },
  	    $signature: 0
  	  };
  	  A._Future__asyncCompleteErrorObject_closure.prototype = {
  	    call$0() {
  	      this.$this._completeErrorObject$1(this.error);
  	    },
  	    $signature: 0
  	  };
  	  A._Future__propagateToListeners_handleWhenCompleteCallback.prototype = {
  	    call$0() {
  	      var e, s, t1, t2, t3, originalSource, joinedResult, _this = this, completeResult = null;
  	      try {
  	        t1 = _this._box_0.listener;
  	        completeResult = t1.result._zone.run$1$1(0, t1.callback, type$.dynamic);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        if (_this.hasError && _this._box_1.source._resultOrListeners.error === e) {
  	          t1 = _this._box_0;
  	          t1.listenerValueOrError = _this._box_1.source._resultOrListeners;
  	        } else {
  	          t1 = e;
  	          t2 = s;
  	          if (t2 == null)
  	            t2 = A.AsyncError_defaultStackTrace(t1);
  	          t3 = _this._box_0;
  	          t3.listenerValueOrError = new A.AsyncError(t1, t2);
  	          t1 = t3;
  	        }
  	        t1.listenerHasError = true;
  	        return;
  	      }
  	      if (completeResult instanceof A._Future && (completeResult._state & 24) !== 0) {
  	        if ((completeResult._state & 16) !== 0) {
  	          t1 = _this._box_0;
  	          t1.listenerValueOrError = completeResult._resultOrListeners;
  	          t1.listenerHasError = true;
  	        }
  	        return;
  	      }
  	      if (completeResult instanceof A._Future) {
  	        originalSource = _this._box_1.source;
  	        joinedResult = new A._Future(originalSource._zone, originalSource.$ti);
  	        completeResult.then$1$2$onError(0, new A._Future__propagateToListeners_handleWhenCompleteCallback_closure(joinedResult, originalSource), new A._Future__propagateToListeners_handleWhenCompleteCallback_closure0(joinedResult), type$.void);
  	        t1 = _this._box_0;
  	        t1.listenerValueOrError = joinedResult;
  	        t1.listenerHasError = false;
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A._Future__propagateToListeners_handleWhenCompleteCallback_closure.prototype = {
  	    call$1(__wc0_formal) {
  	      this.joinedResult._completeWithResultOf$1(this.originalSource);
  	    },
  	    $signature: 62
  	  };
  	  A._Future__propagateToListeners_handleWhenCompleteCallback_closure0.prototype = {
  	    call$2(e, s) {
  	      this.joinedResult._completeErrorObject$1(new A.AsyncError(e, s));
  	    },
  	    $signature: 51
  	  };
  	  A._Future__propagateToListeners_handleValueCallback.prototype = {
  	    call$0() {
  	      var e, s, t1, t2, t3;
  	      try {
  	        t1 = this._box_0;
  	        t2 = t1.listener;
  	        t3 = t2.$ti;
  	        t1.listenerValueOrError = t2.result._zone.runUnary$2$2(t2.callback, this.sourceResult, t3._eval$1("2/"), t3._precomputed1);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        t1 = e;
  	        t2 = s;
  	        if (t2 == null)
  	          t2 = A.AsyncError_defaultStackTrace(t1);
  	        t3 = this._box_0;
  	        t3.listenerValueOrError = new A.AsyncError(t1, t2);
  	        t3.listenerHasError = true;
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A._Future__propagateToListeners_handleError.prototype = {
  	    call$0() {
  	      var asyncError, e, s, t1, t2, t3, _this = this;
  	      try {
  	        asyncError = _this._box_1.source._resultOrListeners;
  	        t1 = _this._box_0;
  	        if (t1.listener.matchesErrorTest$1(asyncError) && t1.listener.errorCallback != null) {
  	          t1.listenerValueOrError = t1.listener.handleError$1(asyncError);
  	          t1.listenerHasError = false;
  	        }
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        t1 = _this._box_1.source._resultOrListeners;
  	        if (t1.error === e) {
  	          t2 = _this._box_0;
  	          t2.listenerValueOrError = t1;
  	          t1 = t2;
  	        } else {
  	          t1 = e;
  	          t2 = s;
  	          if (t2 == null)
  	            t2 = A.AsyncError_defaultStackTrace(t1);
  	          t3 = _this._box_0;
  	          t3.listenerValueOrError = new A.AsyncError(t1, t2);
  	          t1 = t3;
  	        }
  	        t1.listenerHasError = true;
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A._AsyncCallbackEntry.prototype = {};
  	  A.Stream.prototype = {
  	    get$isBroadcast() {
  	      return false;
  	    },
  	    get$length(_) {
  	      var t1 = {},
  	        future = new A._Future($.Zone__current, type$._Future_int);
  	      t1.count = 0;
  	      this.listen$4$cancelOnError$onDone$onError(0, new A.Stream_length_closure(t1, this), true, new A.Stream_length_closure0(t1, future), future.get$_completeError());
  	      return future;
  	    }
  	  };
  	  A.Stream_Stream$fromFuture_closure.prototype = {
  	    call$1(value) {
  	      var t1 = this.controller;
  	      t1._async$_add$1(value);
  	      t1._closeUnchecked$0();
  	    },
  	    $signature() {
  	      return this.T._eval$1("Null(0)");
  	    }
  	  };
  	  A.Stream_Stream$fromFuture_closure0.prototype = {
  	    call$2(error, stackTrace) {
  	      var t1 = this.controller;
  	      t1._addError$2(error, stackTrace);
  	      t1._closeUnchecked$0();
  	    },
  	    $signature: 392
  	  };
  	  A.Stream_length_closure.prototype = {
  	    call$1(__wc0_formal) {
  	      ++this._box_0.count;
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("~(Stream.T)");
  	    }
  	  };
  	  A.Stream_length_closure0.prototype = {
  	    call$0() {
  	      this.future._complete$1(this._box_0.count);
  	    },
  	    $signature: 0
  	  };
  	  A._StreamController.prototype = {
  	    get$stream() {
  	      return new A._ControllerStream(this, A._instanceType(this)._eval$1("_ControllerStream<1>"));
  	    },
  	    get$_pendingEvents() {
  	      if ((this._state & 8) === 0)
  	        return this._varData;
  	      return this._varData._varData;
  	    },
  	    _ensurePendingEvents$0() {
  	      var events, state, _this = this;
  	      if ((_this._state & 8) === 0) {
  	        events = _this._varData;
  	        return events == null ? _this._varData = new A._PendingEvents() : events;
  	      }
  	      state = _this._varData;
  	      events = state._varData;
  	      return events == null ? state._varData = new A._PendingEvents() : events;
  	    },
  	    get$_subscription() {
  	      var varData = this._varData;
  	      return (this._state & 8) !== 0 ? varData._varData : varData;
  	    },
  	    _badEventState$0() {
  	      if ((this._state & 4) !== 0)
  	        return new A.StateError("Cannot add event after closing");
  	      return new A.StateError("Cannot add event while adding a stream");
  	    },
  	    addStream$2$cancelOnError(source, cancelOnError) {
  	      var t2, t3, t4, _this = this,
  	        t1 = _this._state;
  	      if (t1 >= 4)
  	        throw A.wrapException(_this._badEventState$0());
  	      if ((t1 & 2) !== 0) {
  	        t1 = new A._Future($.Zone__current, type$._Future_dynamic);
  	        t1._asyncComplete$1(null);
  	        return t1;
  	      }
  	      t1 = _this._varData;
  	      t2 = cancelOnError === true;
  	      t3 = new A._Future($.Zone__current, type$._Future_dynamic);
  	      t4 = t2 ? A._AddStreamState_makeErrorHandler(_this) : _this.get$_addError();
  	      t4 = source.listen$4$cancelOnError$onDone$onError(0, _this.get$_async$_add(), t2, _this.get$_close(), t4);
  	      t2 = _this._state;
  	      if ((t2 & 1) !== 0 ? (_this.get$_subscription()._state & 4) !== 0 : (t2 & 2) === 0)
  	        t4.pause$0(0);
  	      _this._varData = new A._StreamControllerAddStreamState(t1, t3, t4);
  	      _this._state |= 8;
  	      return t3;
  	    },
  	    _ensureDoneFuture$0() {
  	      var t1 = this._doneFuture;
  	      if (t1 == null)
  	        t1 = this._doneFuture = (this._state & 2) !== 0 ? $.$get$Future__nullFuture() : new A._Future($.Zone__current, type$._Future_void);
  	      return t1;
  	    },
  	    add$1(_, value) {
  	      if (this._state >= 4)
  	        throw A.wrapException(this._badEventState$0());
  	      this._async$_add$1(value);
  	    },
  	    addError$2(error, stackTrace) {
  	      var _0_0;
  	      if (this._state >= 4)
  	        throw A.wrapException(this._badEventState$0());
  	      _0_0 = A._interceptUserError(error, stackTrace);
  	      this._addError$2(_0_0.error, _0_0.stackTrace);
  	    },
  	    addError$1(error) {
  	      return this.addError$2(error, null);
  	    },
  	    close$0(_) {
  	      var _this = this,
  	        t1 = _this._state;
  	      if ((t1 & 4) !== 0)
  	        return _this._ensureDoneFuture$0();
  	      if (t1 >= 4)
  	        throw A.wrapException(_this._badEventState$0());
  	      _this._closeUnchecked$0();
  	      return _this._ensureDoneFuture$0();
  	    },
  	    _closeUnchecked$0() {
  	      var t1 = this._state |= 4;
  	      if ((t1 & 1) !== 0)
  	        this._sendDone$0();
  	      else if ((t1 & 3) === 0)
  	        this._ensurePendingEvents$0().add$1(0, B.C__DelayedDone);
  	    },
  	    _async$_add$1(value) {
  	      var t1 = this._state;
  	      if ((t1 & 1) !== 0)
  	        this._sendData$1(value);
  	      else if ((t1 & 3) === 0)
  	        this._ensurePendingEvents$0().add$1(0, new A._DelayedData(value));
  	    },
  	    _addError$2(error, stackTrace) {
  	      var t1 = this._state;
  	      if ((t1 & 1) !== 0)
  	        this._sendError$2(error, stackTrace);
  	      else if ((t1 & 3) === 0)
  	        this._ensurePendingEvents$0().add$1(0, new A._DelayedError(error, stackTrace));
  	    },
  	    _close$0() {
  	      var addState = this._varData;
  	      this._varData = addState._varData;
  	      this._state &= 4294967287;
  	      addState.addStreamFuture._asyncComplete$1(null);
  	    },
  	    _subscribe$4(onData, onError, onDone, cancelOnError) {
  	      var subscription, pendingEvents, addState, _this = this;
  	      if ((_this._state & 3) !== 0)
  	        throw A.wrapException(A.StateError$("Stream has already been listened to."));
  	      subscription = A._ControllerSubscription$(_this, onData, onError, onDone, cancelOnError, A._instanceType(_this)._precomputed1);
  	      pendingEvents = _this.get$_pendingEvents();
  	      if (((_this._state |= 1) & 8) !== 0) {
  	        addState = _this._varData;
  	        addState._varData = subscription;
  	        addState.addSubscription.resume$0(0);
  	      } else
  	        _this._varData = subscription;
  	      subscription._setPendingEvents$1(pendingEvents);
  	      subscription._guardCallback$1(new A._StreamController__subscribe_closure(_this));
  	      return subscription;
  	    },
  	    _recordCancel$1(subscription) {
  	      var onCancel, cancelResult, e, s, result0, t1, _this = this, result = null;
  	      if ((_this._state & 8) !== 0)
  	        result = _this._varData.cancel$0();
  	      _this._varData = null;
  	      _this._state = _this._state & 4294967286 | 2;
  	      onCancel = _this.onCancel;
  	      if (onCancel != null)
  	        if (result == null)
  	          try {
  	            cancelResult = onCancel.call$0();
  	            if (cancelResult instanceof A._Future)
  	              result = cancelResult;
  	          } catch (exception) {
  	            e = A.unwrapException(exception);
  	            s = A.getTraceFromException(exception);
  	            result0 = new A._Future($.Zone__current, type$._Future_void);
  	            result0._asyncCompleteErrorObject$1(new A.AsyncError(e, s));
  	            result = result0;
  	          }
  	        else
  	          result = result.whenComplete$1(onCancel);
  	      t1 = new A._StreamController__recordCancel_complete(_this);
  	      if (result != null)
  	        result = result.whenComplete$1(t1);
  	      else
  	        t1.call$0();
  	      return result;
  	    },
  	    _recordPause$1(subscription) {
  	      if ((this._state & 8) !== 0)
  	        this._varData.addSubscription.pause$0(0);
  	      A._runGuarded(this.onPause);
  	    },
  	    _recordResume$1(subscription) {
  	      if ((this._state & 8) !== 0)
  	        this._varData.addSubscription.resume$0(0);
  	      A._runGuarded(this.onResume);
  	    },
  	    $isEventSink: 1,
  	    set$onPause(val) {
  	      return this.onPause = val;
  	    },
  	    set$onResume(val) {
  	      return this.onResume = val;
  	    },
  	    set$onCancel(val) {
  	      return this.onCancel = val;
  	    }
  	  };
  	  A._StreamController__subscribe_closure.prototype = {
  	    call$0() {
  	      A._runGuarded(this.$this.onListen);
  	    },
  	    $signature: 0
  	  };
  	  A._StreamController__recordCancel_complete.prototype = {
  	    call$0() {
  	      var doneFuture = this.$this._doneFuture;
  	      if (doneFuture != null && (doneFuture._state & 30) === 0)
  	        doneFuture._asyncComplete$1(null);
  	    },
  	    $signature: 0
  	  };
  	  A._SyncStreamControllerDispatch.prototype = {
  	    _sendData$1(data) {
  	      this.get$_subscription()._async$_add$1(data);
  	    },
  	    _sendError$2(error, stackTrace) {
  	      this.get$_subscription()._addError$2(error, stackTrace);
  	    },
  	    _sendDone$0() {
  	      this.get$_subscription()._close$0();
  	    }
  	  };
  	  A._AsyncStreamControllerDispatch.prototype = {
  	    _sendData$1(data) {
  	      this.get$_subscription()._addPending$1(new A._DelayedData(data));
  	    },
  	    _sendError$2(error, stackTrace) {
  	      this.get$_subscription()._addPending$1(new A._DelayedError(error, stackTrace));
  	    },
  	    _sendDone$0() {
  	      this.get$_subscription()._addPending$1(B.C__DelayedDone);
  	    }
  	  };
  	  A._AsyncStreamController.prototype = {};
  	  A._SyncStreamController.prototype = {};
  	  A._ControllerStream.prototype = {
  	    get$hashCode(_) {
  	      return (A.Primitives_objectHashCode(this._controller) ^ 892482866) >>> 0;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      if (this === other)
  	        return true;
  	      return other instanceof A._ControllerStream && other._controller === this._controller;
  	    }
  	  };
  	  A._ControllerSubscription.prototype = {
  	    _async$_onCancel$0() {
  	      return this._controller._recordCancel$1(this);
  	    },
  	    _async$_onPause$0() {
  	      this._controller._recordPause$1(this);
  	    },
  	    _async$_onResume$0() {
  	      this._controller._recordResume$1(this);
  	    }
  	  };
  	  A._AddStreamState.prototype = {
  	    cancel$0() {
  	      var cancel = this.addSubscription.cancel$0();
  	      return cancel.whenComplete$1(new A._AddStreamState_cancel_closure(this));
  	    }
  	  };
  	  A._AddStreamState_makeErrorHandler_closure.prototype = {
  	    call$2(e, s) {
  	      var t1 = this.controller;
  	      t1._addError$2(e, s);
  	      t1._close$0();
  	    },
  	    $signature: 51
  	  };
  	  A._AddStreamState_cancel_closure.prototype = {
  	    call$0() {
  	      this.$this.addStreamFuture._asyncComplete$1(null);
  	    },
  	    $signature: 1
  	  };
  	  A._StreamControllerAddStreamState.prototype = {};
  	  A._BufferingStreamSubscription.prototype = {
  	    _setPendingEvents$1(pendingEvents) {
  	      var _this = this;
  	      if (pendingEvents == null)
  	        return;
  	      _this._pending = pendingEvents;
  	      if (pendingEvents.lastPendingEvent != null) {
  	        _this._state = (_this._state | 128) >>> 0;
  	        pendingEvents.schedule$1(_this);
  	      }
  	    },
  	    pause$1(_, resumeSignal) {
  	      var t2, t3, _this = this,
  	        t1 = _this._state;
  	      if ((t1 & 8) !== 0)
  	        return;
  	      t2 = (t1 + 256 | 4) >>> 0;
  	      _this._state = t2;
  	      if (t1 < 256) {
  	        t3 = _this._pending;
  	        if (t3 != null)
  	          if (t3._state === 1)
  	            t3._state = 3;
  	      }
  	      if ((t1 & 4) === 0 && (t2 & 64) === 0)
  	        _this._guardCallback$1(_this.get$_async$_onPause());
  	    },
  	    pause$0(_) {
  	      return this.pause$1(0, null);
  	    },
  	    resume$0(_) {
  	      var _this = this,
  	        t1 = _this._state;
  	      if ((t1 & 8) !== 0)
  	        return;
  	      if (t1 >= 256) {
  	        t1 = _this._state = t1 - 256;
  	        if (t1 < 256)
  	          if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent != null)
  	            _this._pending.schedule$1(_this);
  	          else {
  	            t1 = (t1 & 4294967291) >>> 0;
  	            _this._state = t1;
  	            if ((t1 & 64) === 0)
  	              _this._guardCallback$1(_this.get$_async$_onResume());
  	          }
  	      }
  	    },
  	    cancel$0() {
  	      var _this = this,
  	        t1 = (_this._state & 4294967279) >>> 0;
  	      _this._state = t1;
  	      if ((t1 & 8) === 0)
  	        _this._cancel$0();
  	      t1 = _this._cancelFuture;
  	      return t1 == null ? $.$get$Future__nullFuture() : t1;
  	    },
  	    _cancel$0() {
  	      var t2, _this = this,
  	        t1 = _this._state = (_this._state | 8) >>> 0;
  	      if ((t1 & 128) !== 0) {
  	        t2 = _this._pending;
  	        if (t2._state === 1)
  	          t2._state = 3;
  	      }
  	      if ((t1 & 64) === 0)
  	        _this._pending = null;
  	      _this._cancelFuture = _this._async$_onCancel$0();
  	    },
  	    _async$_add$1(data) {
  	      var t1 = this._state;
  	      if ((t1 & 8) !== 0)
  	        return;
  	      if (t1 < 64)
  	        this._sendData$1(data);
  	      else
  	        this._addPending$1(new A._DelayedData(data));
  	    },
  	    _addError$2(error, stackTrace) {
  	      var t1;
  	      if (type$.Error._is(error))
  	        A.Primitives_trySetStackTrace(error, stackTrace);
  	      t1 = this._state;
  	      if ((t1 & 8) !== 0)
  	        return;
  	      if (t1 < 64)
  	        this._sendError$2(error, stackTrace);
  	      else
  	        this._addPending$1(new A._DelayedError(error, stackTrace));
  	    },
  	    _close$0() {
  	      var _this = this,
  	        t1 = _this._state;
  	      if ((t1 & 8) !== 0)
  	        return;
  	      t1 = (t1 | 2) >>> 0;
  	      _this._state = t1;
  	      if (t1 < 64)
  	        _this._sendDone$0();
  	      else
  	        _this._addPending$1(B.C__DelayedDone);
  	    },
  	    _async$_onPause$0() {
  	    },
  	    _async$_onResume$0() {
  	    },
  	    _async$_onCancel$0() {
  	      return null;
  	    },
  	    _addPending$1($event) {
  	      var t1, _this = this,
  	        pending = _this._pending;
  	      if (pending == null)
  	        pending = _this._pending = new A._PendingEvents();
  	      pending.add$1(0, $event);
  	      t1 = _this._state;
  	      if ((t1 & 128) === 0) {
  	        t1 = (t1 | 128) >>> 0;
  	        _this._state = t1;
  	        if (t1 < 256)
  	          pending.schedule$1(_this);
  	      }
  	    },
  	    _sendData$1(data) {
  	      var _this = this,
  	        t1 = _this._state;
  	      _this._state = (t1 | 64) >>> 0;
  	      _this._zone.runUnaryGuarded$1$2(_this._onData, data, A._instanceType(_this)._eval$1("_BufferingStreamSubscription.T"));
  	      _this._state = (_this._state & 4294967231) >>> 0;
  	      _this._checkState$1((t1 & 4) !== 0);
  	    },
  	    _sendError$2(error, stackTrace) {
  	      var cancelFuture, _this = this,
  	        t1 = _this._state,
  	        t2 = new A._BufferingStreamSubscription__sendError_sendError(_this, error, stackTrace);
  	      if ((t1 & 1) !== 0) {
  	        _this._state = (t1 | 16) >>> 0;
  	        _this._cancel$0();
  	        cancelFuture = _this._cancelFuture;
  	        if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
  	          cancelFuture.whenComplete$1(t2);
  	        else
  	          t2.call$0();
  	      } else {
  	        t2.call$0();
  	        _this._checkState$1((t1 & 4) !== 0);
  	      }
  	    },
  	    _sendDone$0() {
  	      var cancelFuture, _this = this,
  	        t1 = new A._BufferingStreamSubscription__sendDone_sendDone(_this);
  	      _this._cancel$0();
  	      _this._state = (_this._state | 16) >>> 0;
  	      cancelFuture = _this._cancelFuture;
  	      if (cancelFuture != null && cancelFuture !== $.$get$Future__nullFuture())
  	        cancelFuture.whenComplete$1(t1);
  	      else
  	        t1.call$0();
  	    },
  	    _guardCallback$1(callback) {
  	      var _this = this,
  	        t1 = _this._state;
  	      _this._state = (t1 | 64) >>> 0;
  	      callback.call$0();
  	      _this._state = (_this._state & 4294967231) >>> 0;
  	      _this._checkState$1((t1 & 4) !== 0);
  	    },
  	    _checkState$1(wasInputPaused) {
  	      var t2, isInputPaused, _this = this,
  	        t1 = _this._state;
  	      if ((t1 & 128) !== 0 && _this._pending.lastPendingEvent == null) {
  	        t1 = _this._state = (t1 & 4294967167) >>> 0;
  	        t2 = false;
  	        if ((t1 & 4) !== 0)
  	          if (t1 < 256) {
  	            t2 = _this._pending;
  	            t2 = t2 == null ? null : t2.lastPendingEvent == null;
  	            t2 = t2 !== false;
  	          }
  	        if (t2) {
  	          t1 = (t1 & 4294967291) >>> 0;
  	          _this._state = t1;
  	        }
  	      }
  	      for (;; wasInputPaused = isInputPaused) {
  	        if ((t1 & 8) !== 0) {
  	          _this._pending = null;
  	          return;
  	        }
  	        isInputPaused = (t1 & 4) !== 0;
  	        if (wasInputPaused === isInputPaused)
  	          break;
  	        _this._state = (t1 ^ 64) >>> 0;
  	        if (isInputPaused)
  	          _this._async$_onPause$0();
  	        else
  	          _this._async$_onResume$0();
  	        t1 = (_this._state & 4294967231) >>> 0;
  	        _this._state = t1;
  	      }
  	      if ((t1 & 128) !== 0 && t1 < 256)
  	        _this._pending.schedule$1(_this);
  	    },
  	    $isStreamSubscription: 1
  	  };
  	  A._BufferingStreamSubscription__sendError_sendError.prototype = {
  	    call$0() {
  	      var onError, t3, t4,
  	        t1 = this.$this,
  	        t2 = t1._state;
  	      if ((t2 & 8) !== 0 && (t2 & 16) === 0)
  	        return;
  	      t1._state = (t2 | 64) >>> 0;
  	      onError = t1._onError;
  	      t2 = this.error;
  	      t3 = type$.Object;
  	      t4 = t1._zone;
  	      if (type$.void_Function_Object_StackTrace._is(onError))
  	        t4.runBinaryGuarded$2$3(onError, t2, this.stackTrace, t3, type$.StackTrace);
  	      else
  	        t4.runUnaryGuarded$1$2(onError, t2, t3);
  	      t1._state = (t1._state & 4294967231) >>> 0;
  	    },
  	    $signature: 0
  	  };
  	  A._BufferingStreamSubscription__sendDone_sendDone.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._state;
  	      if ((t2 & 16) === 0)
  	        return;
  	      t1._state = (t2 | 74) >>> 0;
  	      t1._zone.runGuarded$1(t1._onDone);
  	      t1._state = (t1._state & 4294967231) >>> 0;
  	    },
  	    $signature: 0
  	  };
  	  A._StreamImpl.prototype = {
  	    listen$4$cancelOnError$onDone$onError(_, onData, cancelOnError, onDone, onError) {
  	      return this._controller._subscribe$4(onData, onError, onDone, cancelOnError === true);
  	    },
  	    listen$1(_, onData) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, null, null);
  	    },
  	    listen$3$onDone$onError(_, onData, onDone, onError) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, onDone, onError);
  	    }
  	  };
  	  A._DelayedEvent.prototype = {
  	    get$next() {
  	      return this.next;
  	    },
  	    set$next(val) {
  	      return this.next = val;
  	    }
  	  };
  	  A._DelayedData.prototype = {
  	    perform$1(dispatch) {
  	      dispatch._sendData$1(this.value);
  	    }
  	  };
  	  A._DelayedError.prototype = {
  	    perform$1(dispatch) {
  	      dispatch._sendError$2(this.error, this.stackTrace);
  	    }
  	  };
  	  A._DelayedDone.prototype = {
  	    perform$1(dispatch) {
  	      dispatch._sendDone$0();
  	    },
  	    get$next() {
  	      return null;
  	    },
  	    set$next(__wc0_formal) {
  	      throw A.wrapException(A.StateError$("No events after a done."));
  	    }
  	  };
  	  A._PendingEvents.prototype = {
  	    schedule$1(dispatch) {
  	      var _this = this,
  	        t1 = _this._state;
  	      if (t1 === 1)
  	        return;
  	      if (t1 >= 1) {
  	        _this._state = 1;
  	        return;
  	      }
  	      A.scheduleMicrotask(new A._PendingEvents_schedule_closure(_this, dispatch));
  	      _this._state = 1;
  	    },
  	    add$1(_, $event) {
  	      var _this = this,
  	        lastEvent = _this.lastPendingEvent;
  	      if (lastEvent == null)
  	        _this.firstPendingEvent = _this.lastPendingEvent = $event;
  	      else {
  	        lastEvent.set$next($event);
  	        _this.lastPendingEvent = $event;
  	      }
  	    }
  	  };
  	  A._PendingEvents_schedule_closure.prototype = {
  	    call$0() {
  	      var $event, nextEvent,
  	        t1 = this.$this,
  	        oldState = t1._state;
  	      t1._state = 0;
  	      if (oldState === 3)
  	        return;
  	      $event = t1.firstPendingEvent;
  	      nextEvent = $event.get$next();
  	      t1.firstPendingEvent = nextEvent;
  	      if (nextEvent == null)
  	        t1.lastPendingEvent = null;
  	      $event.perform$1(this.dispatch);
  	    },
  	    $signature: 0
  	  };
  	  A._StreamIterator.prototype = {
  	    get$current(_) {
  	      if (this._async$_hasValue)
  	        return this._stateData;
  	      return null;
  	    },
  	    moveNext$0() {
  	      var future, _this = this,
  	        subscription = _this._subscription;
  	      if (subscription != null) {
  	        if (_this._async$_hasValue) {
  	          future = new A._Future($.Zone__current, type$._Future_bool);
  	          _this._stateData = future;
  	          _this._async$_hasValue = false;
  	          subscription.resume$0(0);
  	          return future;
  	        }
  	        throw A.wrapException(A.StateError$("Already waiting for next."));
  	      }
  	      return _this._initializeOrDone$0();
  	    },
  	    _initializeOrDone$0() {
  	      var future, subscription, _this = this,
  	        stateData = _this._stateData;
  	      if (stateData != null) {
  	        future = new A._Future($.Zone__current, type$._Future_bool);
  	        _this._stateData = future;
  	        subscription = stateData.listen$4$cancelOnError$onDone$onError(0, _this.get$_onData(), true, _this.get$_onDone(), _this.get$_onError());
  	        if (_this._stateData != null)
  	          _this._subscription = subscription;
  	        return future;
  	      }
  	      return $.$get$Future__falseFuture();
  	    },
  	    cancel$0() {
  	      var _this = this,
  	        subscription = _this._subscription,
  	        stateData = _this._stateData;
  	      _this._stateData = null;
  	      if (subscription != null) {
  	        _this._subscription = null;
  	        if (!_this._async$_hasValue)
  	          stateData._asyncComplete$1(false);
  	        else
  	          _this._async$_hasValue = false;
  	        return subscription.cancel$0();
  	      }
  	      return $.$get$Future__nullFuture();
  	    },
  	    _onData$1(data) {
  	      var moveNextFuture, t1, _this = this;
  	      if (_this._subscription == null)
  	        return;
  	      moveNextFuture = _this._stateData;
  	      _this._stateData = data;
  	      _this._async$_hasValue = true;
  	      moveNextFuture._complete$1(true);
  	      if (_this._async$_hasValue) {
  	        t1 = _this._subscription;
  	        if (t1 != null)
  	          t1.pause$0(0);
  	      }
  	    },
  	    _onError$2(error, stackTrace) {
  	      var _this = this,
  	        subscription = _this._subscription,
  	        moveNextFuture = _this._stateData;
  	      _this._stateData = _this._subscription = null;
  	      if (subscription != null)
  	        moveNextFuture._completeErrorObject$1(new A.AsyncError(error, stackTrace));
  	      else
  	        moveNextFuture._asyncCompleteErrorObject$1(new A.AsyncError(error, stackTrace));
  	    },
  	    _onDone$0() {
  	      var _this = this,
  	        subscription = _this._subscription,
  	        moveNextFuture = _this._stateData;
  	      _this._stateData = _this._subscription = null;
  	      if (subscription != null)
  	        moveNextFuture._completeWithValue$1(false);
  	      else
  	        moveNextFuture._asyncCompleteWithValue$1(false);
  	    }
  	  };
  	  A._ForwardingStream.prototype = {
  	    get$isBroadcast() {
  	      return this._async$_source.get$isBroadcast();
  	    },
  	    listen$4$cancelOnError$onDone$onError(_, onData, cancelOnError, onDone, onError) {
  	      var t1 = this.$ti,
  	        t2 = $.Zone__current,
  	        t3 = cancelOnError === true ? 1 : 0,
  	        t4 = onError != null ? 32 : 0,
  	        t5 = A._BufferingStreamSubscription__registerDataHandler(t2, onData, t1._rest[1]),
  	        t6 = A._BufferingStreamSubscription__registerErrorHandler(t2, onError),
  	        t7 = onDone == null ? A.async___nullDoneHandler$closure() : onDone;
  	      t1 = new A._ForwardingStreamSubscription(this, t5, t6, t2.registerCallback$1$1(t7, type$.void), t2, t3 | t4, t1._eval$1("_ForwardingStreamSubscription<1,2>"));
  	      t1._subscription = this._async$_source.listen$3$onDone$onError(0, t1.get$_handleData(), t1.get$_handleDone(), t1.get$_handleError());
  	      return t1;
  	    },
  	    listen$1(_, onData) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, null, null);
  	    },
  	    listen$3$onDone$onError(_, onData, onDone, onError) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, onDone, onError);
  	    }
  	  };
  	  A._ForwardingStreamSubscription.prototype = {
  	    _async$_add$1(data) {
  	      if ((this._state & 2) !== 0)
  	        return;
  	      this.super$_BufferingStreamSubscription$_add(data);
  	    },
  	    _addError$2(error, stackTrace) {
  	      if ((this._state & 2) !== 0)
  	        return;
  	      this.super$_BufferingStreamSubscription$_addError(error, stackTrace);
  	    },
  	    _async$_onPause$0() {
  	      var t1 = this._subscription;
  	      if (t1 != null)
  	        t1.pause$0(0);
  	    },
  	    _async$_onResume$0() {
  	      var t1 = this._subscription;
  	      if (t1 != null)
  	        t1.resume$0(0);
  	    },
  	    _async$_onCancel$0() {
  	      var subscription = this._subscription;
  	      if (subscription != null) {
  	        this._subscription = null;
  	        return subscription.cancel$0();
  	      }
  	      return null;
  	    },
  	    _handleData$1(data) {
  	      this._stream._handleData$2(data, this);
  	    },
  	    _handleError$2(error, stackTrace) {
  	      this._addError$2(error, stackTrace);
  	    },
  	    _handleDone$0() {
  	      this._close$0();
  	    }
  	  };
  	  A._MapStream.prototype = {
  	    _handleData$2(inputEvent, sink) {
  	      var e, s, error, stackTrace, replacement, outputEvent = null;
  	      try {
  	        outputEvent = this._transform.call$1(inputEvent);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        error = e;
  	        stackTrace = s;
  	        replacement = A._interceptError(error, stackTrace);
  	        if (replacement != null) {
  	          error = replacement.error;
  	          stackTrace = replacement.stackTrace;
  	        }
  	        sink._addError$2(error, stackTrace);
  	        return;
  	      }
  	      sink._async$_add$1(outputEvent);
  	    }
  	  };
  	  A._ZoneFunction.prototype = {};
  	  A._Zone.prototype = {
  	    _processUncaughtError$3(zone, error, stackTrace) {
  	      var handler, parentDelegate, parentZone, currentZone, e, s, t1, implementation = this.get$_handleUncaughtError(),
  	        implZone = implementation.zone;
  	      if (implZone === B.C__RootZone) {
  	        A._rootHandleError(error, stackTrace);
  	        return;
  	      }
  	      handler = implementation.$function;
  	      parentDelegate = implZone.get$_parentDelegate();
  	      t1 = J.get$parent$z(implZone);
  	      t1.toString;
  	      parentZone = t1;
  	      currentZone = $.Zone__current;
  	      try {
  	        $.Zone__current = parentZone;
  	        handler.call$5(implZone, parentDelegate, zone, error, stackTrace);
  	        $.Zone__current = currentZone;
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        $.Zone__current = currentZone;
  	        t1 = error === e ? stackTrace : s;
  	        parentZone._processUncaughtError$3(implZone, e, t1);
  	      }
  	    },
  	    $isZone: 1
  	  };
  	  A._CustomZone.prototype = {
  	    get$_delegate() {
  	      var t1 = this._delegateCache;
  	      return t1 == null ? this._delegateCache = new A._ZoneDelegate(this) : t1;
  	    },
  	    get$_parentDelegate() {
  	      return this.parent.get$_delegate();
  	    },
  	    get$errorZone() {
  	      return this._handleUncaughtError.zone;
  	    },
  	    runGuarded$1(f) {
  	      var e, s;
  	      try {
  	        this.run$1$1(0, f, type$.void);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        this._processUncaughtError$3(this, e, s);
  	      }
  	    },
  	    runUnaryGuarded$1$2(f, arg, $T) {
  	      var e, s;
  	      try {
  	        this.runUnary$2$2(f, arg, type$.void, $T);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        this._processUncaughtError$3(this, e, s);
  	      }
  	    },
  	    runBinaryGuarded$2$3(f, arg1, arg2, $T1, $T2) {
  	      var e, s;
  	      try {
  	        this.runBinary$3$3(f, arg1, arg2, type$.void, $T1, $T2);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        this._processUncaughtError$3(this, e, s);
  	      }
  	    },
  	    bindCallback$1$1(f, $R) {
  	      return new A._CustomZone_bindCallback_closure(this, this.registerCallback$1$1(f, $R), $R);
  	    },
  	    bindUnaryCallback$2$1(f, $R, $T) {
  	      return new A._CustomZone_bindUnaryCallback_closure(this, this.registerUnaryCallback$2$1(f, $R, $T), $T, $R);
  	    },
  	    bindCallbackGuarded$1(f) {
  	      return new A._CustomZone_bindCallbackGuarded_closure(this, this.registerCallback$1$1(f, type$.void));
  	    },
  	    $index(_, key) {
  	      var value,
  	        t1 = this._async$_map,
  	        result = t1.$index(0, key);
  	      if (result != null || t1.containsKey$1(key))
  	        return result;
  	      value = this.parent.$index(0, key);
  	      if (value != null)
  	        t1.$indexSet(0, key, value);
  	      return value;
  	    },
  	    handleUncaughtError$2(error, stackTrace) {
  	      this._processUncaughtError$3(this, error, stackTrace);
  	    },
  	    fork$2$specification$zoneValues(specification, zoneValues) {
  	      var implementation = this._fork,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, specification, zoneValues);
  	    },
  	    run$1$1(_, f) {
  	      var implementation = this._run,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, f);
  	    },
  	    runUnary$2$2(f, arg) {
  	      var implementation = this._runUnary,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, f, arg);
  	    },
  	    runBinary$3$3(f, arg1, arg2) {
  	      var implementation = this._runBinary,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$6(t1, t1.get$_parentDelegate(), this, f, arg1, arg2);
  	    },
  	    registerCallback$1$1(callback) {
  	      var implementation = this._registerCallback,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, callback);
  	    },
  	    registerUnaryCallback$2$1(callback) {
  	      var implementation = this._registerUnaryCallback,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, callback);
  	    },
  	    registerBinaryCallback$3$1(callback) {
  	      var implementation = this._registerBinaryCallback,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, callback);
  	    },
  	    errorCallback$2(error, stackTrace) {
  	      var implementation = this._errorCallback,
  	        implementationZone = implementation.zone;
  	      if (implementationZone === B.C__RootZone)
  	        return null;
  	      return implementation.$function.call$5(implementationZone, implementationZone.get$_parentDelegate(), this, error, stackTrace);
  	    },
  	    scheduleMicrotask$1(f) {
  	      var implementation = this._scheduleMicrotask,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, f);
  	    },
  	    createTimer$2(duration, f) {
  	      var implementation = this._createTimer,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$5(t1, t1.get$_parentDelegate(), this, duration, f);
  	    },
  	    print$1(line) {
  	      var implementation = this._print,
  	        t1 = implementation.zone;
  	      return implementation.$function.call$4(t1, t1.get$_parentDelegate(), this, line);
  	    },
  	    get$_run() {
  	      return this._run;
  	    },
  	    get$_runUnary() {
  	      return this._runUnary;
  	    },
  	    get$_runBinary() {
  	      return this._runBinary;
  	    },
  	    get$_registerCallback() {
  	      return this._registerCallback;
  	    },
  	    get$_registerUnaryCallback() {
  	      return this._registerUnaryCallback;
  	    },
  	    get$_registerBinaryCallback() {
  	      return this._registerBinaryCallback;
  	    },
  	    get$_errorCallback() {
  	      return this._errorCallback;
  	    },
  	    get$_scheduleMicrotask() {
  	      return this._scheduleMicrotask;
  	    },
  	    get$_createTimer() {
  	      return this._createTimer;
  	    },
  	    get$_createPeriodicTimer() {
  	      return this._createPeriodicTimer;
  	    },
  	    get$_print() {
  	      return this._print;
  	    },
  	    get$_fork() {
  	      return this._fork;
  	    },
  	    get$_handleUncaughtError() {
  	      return this._handleUncaughtError;
  	    },
  	    get$parent(receiver) {
  	      return this.parent;
  	    },
  	    get$_async$_map() {
  	      return this._async$_map;
  	    }
  	  };
  	  A._CustomZone_bindCallback_closure.prototype = {
  	    call$0() {
  	      return this.$this.run$1$1(0, this.registered, this.R);
  	    },
  	    $signature() {
  	      return this.R._eval$1("0()");
  	    }
  	  };
  	  A._CustomZone_bindUnaryCallback_closure.prototype = {
  	    call$1(arg) {
  	      var _this = this;
  	      return _this.$this.runUnary$2$2(_this.registered, arg, _this.R, _this.T);
  	    },
  	    $signature() {
  	      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
  	    }
  	  };
  	  A._CustomZone_bindCallbackGuarded_closure.prototype = {
  	    call$0() {
  	      return this.$this.runGuarded$1(this.registered);
  	    },
  	    $signature: 0
  	  };
  	  A._RootZone.prototype = {
  	    get$_run() {
  	      return B._ZoneFunction__RootZone__rootRun;
  	    },
  	    get$_runUnary() {
  	      return B._ZoneFunction__RootZone__rootRunUnary;
  	    },
  	    get$_runBinary() {
  	      return B._ZoneFunction__RootZone__rootRunBinary;
  	    },
  	    get$_registerCallback() {
  	      return B._ZoneFunction__RootZone__rootRegisterCallback;
  	    },
  	    get$_registerUnaryCallback() {
  	      return B._ZoneFunction_Xkh;
  	    },
  	    get$_registerBinaryCallback() {
  	      return B._ZoneFunction_e9o;
  	    },
  	    get$_errorCallback() {
  	      return B._ZoneFunction__RootZone__rootErrorCallback;
  	    },
  	    get$_scheduleMicrotask() {
  	      return B._ZoneFunction__RootZone__rootScheduleMicrotask;
  	    },
  	    get$_createTimer() {
  	      return B._ZoneFunction__RootZone__rootCreateTimer;
  	    },
  	    get$_createPeriodicTimer() {
  	      return B._ZoneFunction_PAY;
  	    },
  	    get$_print() {
  	      return B._ZoneFunction__RootZone__rootPrint;
  	    },
  	    get$_fork() {
  	      return B._ZoneFunction__RootZone__rootFork;
  	    },
  	    get$_handleUncaughtError() {
  	      return B._ZoneFunction_KjJ;
  	    },
  	    get$parent(_) {
  	      return null;
  	    },
  	    get$_async$_map() {
  	      return $.$get$_RootZone__rootMap();
  	    },
  	    get$_delegate() {
  	      var t1 = $._RootZone__rootDelegate;
  	      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
  	    },
  	    get$_parentDelegate() {
  	      var t1 = $._RootZone__rootDelegate;
  	      return t1 == null ? $._RootZone__rootDelegate = new A._ZoneDelegate(this) : t1;
  	    },
  	    get$errorZone() {
  	      return this;
  	    },
  	    runGuarded$1(f) {
  	      var e, s;
  	      try {
  	        if (B.C__RootZone === $.Zone__current) {
  	          f.call$0();
  	          return;
  	        }
  	        A._rootRun(null, null, this, f);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        A._rootHandleError(e, s);
  	      }
  	    },
  	    runUnaryGuarded$1$2(f, arg) {
  	      var e, s;
  	      try {
  	        if (B.C__RootZone === $.Zone__current) {
  	          f.call$1(arg);
  	          return;
  	        }
  	        A._rootRunUnary(null, null, this, f, arg);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        A._rootHandleError(e, s);
  	      }
  	    },
  	    runBinaryGuarded$2$3(f, arg1, arg2) {
  	      var e, s;
  	      try {
  	        if (B.C__RootZone === $.Zone__current) {
  	          f.call$2(arg1, arg2);
  	          return;
  	        }
  	        A._rootRunBinary(null, null, this, f, arg1, arg2);
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        s = A.getTraceFromException(exception);
  	        A._rootHandleError(e, s);
  	      }
  	    },
  	    bindCallback$1$1(f, $R) {
  	      return new A._RootZone_bindCallback_closure(this, f, $R);
  	    },
  	    bindUnaryCallback$2$1(f, $R, $T) {
  	      return new A._RootZone_bindUnaryCallback_closure(this, f, $T, $R);
  	    },
  	    bindCallbackGuarded$1(f) {
  	      return new A._RootZone_bindCallbackGuarded_closure(this, f);
  	    },
  	    $index(_, key) {
  	      return null;
  	    },
  	    handleUncaughtError$2(error, stackTrace) {
  	      A._rootHandleError(error, stackTrace);
  	    },
  	    fork$2$specification$zoneValues(specification, zoneValues) {
  	      return A._rootFork(null, null, this, specification, zoneValues);
  	    },
  	    run$1$1(_, f) {
  	      if ($.Zone__current === B.C__RootZone)
  	        return f.call$0();
  	      return A._rootRun(null, null, this, f);
  	    },
  	    runUnary$2$2(f, arg) {
  	      if ($.Zone__current === B.C__RootZone)
  	        return f.call$1(arg);
  	      return A._rootRunUnary(null, null, this, f, arg);
  	    },
  	    runBinary$3$3(f, arg1, arg2) {
  	      if ($.Zone__current === B.C__RootZone)
  	        return f.call$2(arg1, arg2);
  	      return A._rootRunBinary(null, null, this, f, arg1, arg2);
  	    },
  	    registerCallback$1$1(f) {
  	      return f;
  	    },
  	    registerUnaryCallback$2$1(f) {
  	      return f;
  	    },
  	    registerBinaryCallback$3$1(f) {
  	      return f;
  	    },
  	    errorCallback$2(error, stackTrace) {
  	      return null;
  	    },
  	    scheduleMicrotask$1(f) {
  	      A._rootScheduleMicrotask(null, null, this, f);
  	    },
  	    createTimer$2(duration, f) {
  	      return A.Timer__createTimer(duration, f);
  	    },
  	    print$1(line) {
  	      A.printString(line);
  	    }
  	  };
  	  A._RootZone_bindCallback_closure.prototype = {
  	    call$0() {
  	      return this.$this.run$1$1(0, this.f, this.R);
  	    },
  	    $signature() {
  	      return this.R._eval$1("0()");
  	    }
  	  };
  	  A._RootZone_bindUnaryCallback_closure.prototype = {
  	    call$1(arg) {
  	      var _this = this;
  	      return _this.$this.runUnary$2$2(_this.f, arg, _this.R, _this.T);
  	    },
  	    $signature() {
  	      return this.R._eval$1("@<0>")._bind$1(this.T)._eval$1("1(2)");
  	    }
  	  };
  	  A._RootZone_bindCallbackGuarded_closure.prototype = {
  	    call$0() {
  	      return this.$this.runGuarded$1(this.f);
  	    },
  	    $signature: 0
  	  };
  	  A._ZoneDelegate.prototype = {$isZoneDelegate: 1};
  	  A._rootHandleError_closure.prototype = {
  	    call$0() {
  	      A.Error_throwWithStackTrace(this.error, this.stackTrace);
  	    },
  	    $signature: 0
  	  };
  	  A._ZoneSpecification.prototype = {$isZoneSpecification: 1};
  	  A._HashMap.prototype = {
  	    get$length(_) {
  	      return this._collection$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._collection$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._collection$_length !== 0;
  	    },
  	    get$keys(_) {
  	      return new A._HashMapKeyIterable(this, A._instanceType(this)._eval$1("_HashMapKeyIterable<1>"));
  	    },
  	    get$values(_) {
  	      var t1 = A._instanceType(this);
  	      return A.MappedIterable_MappedIterable(new A._HashMapKeyIterable(this, t1._eval$1("_HashMapKeyIterable<1>")), new A._HashMap_values_closure(this), t1._precomputed1, t1._rest[1]);
  	    },
  	    containsKey$1(key) {
  	      var strings, nums;
  	      if (typeof key == "string" && key !== "__proto__") {
  	        strings = this._collection$_strings;
  	        return strings == null ? false : strings[key] != null;
  	      } else if (typeof key == "number" && (key & 1073741823) === key) {
  	        nums = this._collection$_nums;
  	        return nums == null ? false : nums[key] != null;
  	      } else
  	        return this._containsKey$1(key);
  	    },
  	    _containsKey$1(key) {
  	      var rest = this._collection$_rest;
  	      if (rest == null)
  	        return false;
  	      return this._findBucketIndex$2(this._getBucket$2(rest, key), key) >= 0;
  	    },
  	    addAll$1(_, other) {
  	      other.forEach$1(0, new A._HashMap_addAll_closure(this));
  	    },
  	    $index(_, key) {
  	      var strings, t1, nums;
  	      if (typeof key == "string" && key !== "__proto__") {
  	        strings = this._collection$_strings;
  	        t1 = strings == null ? null : A._HashMap__getTableEntry(strings, key);
  	        return t1;
  	      } else if (typeof key == "number" && (key & 1073741823) === key) {
  	        nums = this._collection$_nums;
  	        t1 = nums == null ? null : A._HashMap__getTableEntry(nums, key);
  	        return t1;
  	      } else
  	        return this._get$1(key);
  	    },
  	    _get$1(key) {
  	      var bucket, index,
  	        rest = this._collection$_rest;
  	      if (rest == null)
  	        return null;
  	      bucket = this._getBucket$2(rest, key);
  	      index = this._findBucketIndex$2(bucket, key);
  	      return index < 0 ? null : bucket[index + 1];
  	    },
  	    $indexSet(_, key, value) {
  	      var strings, nums, _this = this;
  	      if (typeof key == "string" && key !== "__proto__") {
  	        strings = _this._collection$_strings;
  	        _this._collection$_addHashTableEntry$3(strings == null ? _this._collection$_strings = A._HashMap__newHashTable() : strings, key, value);
  	      } else if (typeof key == "number" && (key & 1073741823) === key) {
  	        nums = _this._collection$_nums;
  	        _this._collection$_addHashTableEntry$3(nums == null ? _this._collection$_nums = A._HashMap__newHashTable() : nums, key, value);
  	      } else
  	        _this._set$2(key, value);
  	    },
  	    _set$2(key, value) {
  	      var hash, bucket, index, _this = this,
  	        rest = _this._collection$_rest;
  	      if (rest == null)
  	        rest = _this._collection$_rest = A._HashMap__newHashTable();
  	      hash = _this._computeHashCode$1(key);
  	      bucket = rest[hash];
  	      if (bucket == null) {
  	        A._HashMap__setTableEntry(rest, hash, [key, value]);
  	        ++_this._collection$_length;
  	        _this._collection$_keys = null;
  	      } else {
  	        index = _this._findBucketIndex$2(bucket, key);
  	        if (index >= 0)
  	          bucket[index + 1] = value;
  	        else {
  	          bucket.push(key, value);
  	          ++_this._collection$_length;
  	          _this._collection$_keys = null;
  	        }
  	      }
  	    },
  	    remove$1(_, key) {
  	      var _this = this;
  	      if (typeof key == "string" && key !== "__proto__")
  	        return _this._removeHashTableEntry$2(_this._collection$_strings, key);
  	      else if (typeof key == "number" && (key & 1073741823) === key)
  	        return _this._removeHashTableEntry$2(_this._collection$_nums, key);
  	      else
  	        return _this._remove$1(key);
  	    },
  	    _remove$1(key) {
  	      var hash, bucket, index, result, _this = this,
  	        rest = _this._collection$_rest;
  	      if (rest == null)
  	        return null;
  	      hash = _this._computeHashCode$1(key);
  	      bucket = rest[hash];
  	      index = _this._findBucketIndex$2(bucket, key);
  	      if (index < 0)
  	        return null;
  	      --_this._collection$_length;
  	      _this._collection$_keys = null;
  	      result = bucket.splice(index, 2)[1];
  	      if (0 === bucket.length)
  	        delete rest[hash];
  	      return result;
  	    },
  	    forEach$1(_, action) {
  	      var $length, t1, i, key, t2, _this = this,
  	        keys = _this._computeKeys$0();
  	      for ($length = keys.length, t1 = A._instanceType(_this)._rest[1], i = 0; i < $length; ++i) {
  	        key = keys[i];
  	        t2 = _this.$index(0, key);
  	        action.call$2(key, t2 == null ? t1._as(t2) : t2);
  	        if (keys !== _this._collection$_keys)
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	    },
  	    _computeKeys$0() {
  	      var strings, index, names, entries, i, nums, rest, bucket, $length, i0, _this = this,
  	        result = _this._collection$_keys;
  	      if (result != null)
  	        return result;
  	      result = A.List_List$filled(_this._collection$_length, null, false, type$.dynamic);
  	      strings = _this._collection$_strings;
  	      index = 0;
  	      if (strings != null) {
  	        names = Object.getOwnPropertyNames(strings);
  	        entries = names.length;
  	        for (i = 0; i < entries; ++i) {
  	          result[index] = names[i];
  	          ++index;
  	        }
  	      }
  	      nums = _this._collection$_nums;
  	      if (nums != null) {
  	        names = Object.getOwnPropertyNames(nums);
  	        entries = names.length;
  	        for (i = 0; i < entries; ++i) {
  	          result[index] = +names[i];
  	          ++index;
  	        }
  	      }
  	      rest = _this._collection$_rest;
  	      if (rest != null) {
  	        names = Object.getOwnPropertyNames(rest);
  	        entries = names.length;
  	        for (i = 0; i < entries; ++i) {
  	          bucket = rest[names[i]];
  	          $length = bucket.length;
  	          for (i0 = 0; i0 < $length; i0 += 2) {
  	            result[index] = bucket[i0];
  	            ++index;
  	          }
  	        }
  	      }
  	      return _this._collection$_keys = result;
  	    },
  	    _collection$_addHashTableEntry$3(table, key, value) {
  	      if (table[key] == null) {
  	        ++this._collection$_length;
  	        this._collection$_keys = null;
  	      }
  	      A._HashMap__setTableEntry(table, key, value);
  	    },
  	    _removeHashTableEntry$2(table, key) {
  	      var value;
  	      if (table != null && table[key] != null) {
  	        value = A._HashMap__getTableEntry(table, key);
  	        delete table[key];
  	        --this._collection$_length;
  	        this._collection$_keys = null;
  	        return value;
  	      } else
  	        return null;
  	    },
  	    _computeHashCode$1(key) {
  	      return J.get$hashCode$(key) & 1073741823;
  	    },
  	    _getBucket$2(table, key) {
  	      return table[this._computeHashCode$1(key)];
  	    },
  	    _findBucketIndex$2(bucket, key) {
  	      var $length, i;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; i += 2)
  	        if (J.$eq$(bucket[i], key))
  	          return i;
  	      return -1;
  	    }
  	  };
  	  A._HashMap_values_closure.prototype = {
  	    call$1(each) {
  	      var t1 = this.$this,
  	        t2 = t1.$index(0, each);
  	      return t2 == null ? A._instanceType(t1)._rest[1]._as(t2) : t2;
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("2(1)");
  	    }
  	  };
  	  A._HashMap_addAll_closure.prototype = {
  	    call$2(key, value) {
  	      this.$this.$indexSet(0, key, value);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("~(1,2)");
  	    }
  	  };
  	  A._IdentityHashMap.prototype = {
  	    _computeHashCode$1(key) {
  	      return A.objectHashCode(key) & 1073741823;
  	    },
  	    _findBucketIndex$2(bucket, key) {
  	      var $length, i, t1;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; i += 2) {
  	        t1 = bucket[i];
  	        if (t1 == null ? key == null : t1 === key)
  	          return i;
  	      }
  	      return -1;
  	    }
  	  };
  	  A._HashMapKeyIterable.prototype = {
  	    get$length(_) {
  	      return this._map._collection$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._map._collection$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._map._collection$_length !== 0;
  	    },
  	    get$iterator(_) {
  	      var t1 = this._map;
  	      return new A._HashMapKeyIterator(t1, t1._computeKeys$0(), this.$ti._eval$1("_HashMapKeyIterator<1>"));
  	    },
  	    contains$1(_, element) {
  	      return this._map.containsKey$1(element);
  	    }
  	  };
  	  A._HashMapKeyIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this._collection$_current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var _this = this,
  	        keys = _this._collection$_keys,
  	        offset = _this._offset,
  	        t1 = _this._map;
  	      if (keys !== t1._collection$_keys)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      else if (offset >= keys.length) {
  	        _this._collection$_current = null;
  	        return false;
  	      } else {
  	        _this._collection$_current = keys[offset];
  	        _this._offset = offset + 1;
  	        return true;
  	      }
  	    }
  	  };
  	  A._LinkedCustomHashMap.prototype = {
  	    $index(_, key) {
  	      if (!this._validKey.call$1(key))
  	        return null;
  	      return this.super$JsLinkedHashMap$internalGet(key);
  	    },
  	    $indexSet(_, key, value) {
  	      this.super$JsLinkedHashMap$internalSet(key, value);
  	    },
  	    containsKey$1(key) {
  	      if (!this._validKey.call$1(key))
  	        return false;
  	      return this.super$JsLinkedHashMap$internalContainsKey(key);
  	    },
  	    remove$1(_, key) {
  	      if (!this._validKey.call$1(key))
  	        return null;
  	      return this.super$JsLinkedHashMap$internalRemove(key);
  	    },
  	    internalComputeHashCode$1(key) {
  	      return this._hashCode.call$1(key) & 1073741823;
  	    },
  	    internalFindBucketIndex$2(bucket, key) {
  	      var $length, t1, i;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (t1 = this._equals, i = 0; i < $length; ++i)
  	        if (t1.call$2(bucket[i].hashMapCellKey, key))
  	          return i;
  	      return -1;
  	    }
  	  };
  	  A._LinkedCustomHashMap_closure.prototype = {
  	    call$1(v) {
  	      return this.K._is(v);
  	    },
  	    $signature: 9
  	  };
  	  A._LinkedHashSet.prototype = {
  	    _newSet$0() {
  	      return new A._LinkedHashSet(A._instanceType(this)._eval$1("_LinkedHashSet<1>"));
  	    },
  	    _newSimilarSet$1$0($R) {
  	      return new A._LinkedHashSet($R._eval$1("_LinkedHashSet<0>"));
  	    },
  	    _newSimilarSet$0() {
  	      return this._newSimilarSet$1$0(type$.dynamic);
  	    },
  	    get$iterator(_) {
  	      var _this = this,
  	        t1 = new A._LinkedHashSetIterator(_this, _this._collection$_modifications, A._instanceType(_this)._eval$1("_LinkedHashSetIterator<1>"));
  	      t1._collection$_cell = _this._collection$_first;
  	      return t1;
  	    },
  	    get$length(_) {
  	      return this._collection$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._collection$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._collection$_length !== 0;
  	    },
  	    contains$1(_, object) {
  	      var strings, nums;
  	      if (typeof object == "string" && object !== "__proto__") {
  	        strings = this._collection$_strings;
  	        if (strings == null)
  	          return false;
  	        return strings[object] != null;
  	      } else if (typeof object == "number" && (object & 1073741823) === object) {
  	        nums = this._collection$_nums;
  	        if (nums == null)
  	          return false;
  	        return nums[object] != null;
  	      } else
  	        return this._contains$1(object);
  	    },
  	    _contains$1(object) {
  	      var rest = this._collection$_rest;
  	      if (rest == null)
  	        return false;
  	      return this._findBucketIndex$2(rest[this._computeHashCode$1(object)], object) >= 0;
  	    },
  	    get$first(_) {
  	      var first = this._collection$_first;
  	      if (first == null)
  	        throw A.wrapException(A.StateError$("No elements"));
  	      return first._element;
  	    },
  	    get$last(_) {
  	      var last = this._collection$_last;
  	      if (last == null)
  	        throw A.wrapException(A.StateError$("No elements"));
  	      return last._element;
  	    },
  	    add$1(_, element) {
  	      var strings, nums, _this = this;
  	      if (typeof element == "string" && element !== "__proto__") {
  	        strings = _this._collection$_strings;
  	        return _this._collection$_addHashTableEntry$2(strings == null ? _this._collection$_strings = A._LinkedHashSet__newHashTable() : strings, element);
  	      } else if (typeof element == "number" && (element & 1073741823) === element) {
  	        nums = _this._collection$_nums;
  	        return _this._collection$_addHashTableEntry$2(nums == null ? _this._collection$_nums = A._LinkedHashSet__newHashTable() : nums, element);
  	      } else
  	        return _this._add$1(element);
  	    },
  	    _add$1(element) {
  	      var hash, bucket, _this = this,
  	        rest = _this._collection$_rest;
  	      if (rest == null)
  	        rest = _this._collection$_rest = A._LinkedHashSet__newHashTable();
  	      hash = _this._computeHashCode$1(element);
  	      bucket = rest[hash];
  	      if (bucket == null)
  	        rest[hash] = [_this._collection$_newLinkedCell$1(element)];
  	      else {
  	        if (_this._findBucketIndex$2(bucket, element) >= 0)
  	          return false;
  	        bucket.push(_this._collection$_newLinkedCell$1(element));
  	      }
  	      return true;
  	    },
  	    remove$1(_, object) {
  	      var _this = this;
  	      if (typeof object == "string" && object !== "__proto__")
  	        return _this._removeHashTableEntry$2(_this._collection$_strings, object);
  	      else if (typeof object == "number" && (object & 1073741823) === object)
  	        return _this._removeHashTableEntry$2(_this._collection$_nums, object);
  	      else
  	        return _this._remove$1(object);
  	    },
  	    _remove$1(object) {
  	      var hash, bucket, index, cell, _this = this,
  	        rest = _this._collection$_rest;
  	      if (rest == null)
  	        return false;
  	      hash = _this._computeHashCode$1(object);
  	      bucket = rest[hash];
  	      index = _this._findBucketIndex$2(bucket, object);
  	      if (index < 0)
  	        return false;
  	      cell = bucket.splice(index, 1)[0];
  	      if (0 === bucket.length)
  	        delete rest[hash];
  	      _this._unlinkCell$1(cell);
  	      return true;
  	    },
  	    _collection$_addHashTableEntry$2(table, element) {
  	      if (table[element] != null)
  	        return false;
  	      table[element] = this._collection$_newLinkedCell$1(element);
  	      return true;
  	    },
  	    _removeHashTableEntry$2(table, element) {
  	      var cell;
  	      if (table == null)
  	        return false;
  	      cell = table[element];
  	      if (cell == null)
  	        return false;
  	      this._unlinkCell$1(cell);
  	      delete table[element];
  	      return true;
  	    },
  	    _collection$_modified$0() {
  	      this._collection$_modifications = this._collection$_modifications + 1 & 1073741823;
  	    },
  	    _collection$_newLinkedCell$1(element) {
  	      var t1, _this = this,
  	        cell = new A._LinkedHashSetCell(element);
  	      if (_this._collection$_first == null)
  	        _this._collection$_first = _this._collection$_last = cell;
  	      else {
  	        t1 = _this._collection$_last;
  	        t1.toString;
  	        cell._collection$_previous = t1;
  	        _this._collection$_last = t1._collection$_next = cell;
  	      }
  	      ++_this._collection$_length;
  	      _this._collection$_modified$0();
  	      return cell;
  	    },
  	    _unlinkCell$1(cell) {
  	      var _this = this,
  	        previous = cell._collection$_previous,
  	        next = cell._collection$_next;
  	      if (previous == null)
  	        _this._collection$_first = next;
  	      else
  	        previous._collection$_next = next;
  	      if (next == null)
  	        _this._collection$_last = previous;
  	      else
  	        next._collection$_previous = previous;
  	      --_this._collection$_length;
  	      _this._collection$_modified$0();
  	    },
  	    _computeHashCode$1(element) {
  	      return J.get$hashCode$(element) & 1073741823;
  	    },
  	    _findBucketIndex$2(bucket, element) {
  	      var $length, i;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; ++i)
  	        if (J.$eq$(bucket[i]._element, element))
  	          return i;
  	      return -1;
  	    }
  	  };
  	  A._LinkedIdentityHashSet.prototype = {
  	    _newSet$0() {
  	      return new A._LinkedIdentityHashSet(this.$ti);
  	    },
  	    _newSimilarSet$1$0($R) {
  	      return new A._LinkedIdentityHashSet($R._eval$1("_LinkedIdentityHashSet<0>"));
  	    },
  	    _newSimilarSet$0() {
  	      return this._newSimilarSet$1$0(type$.dynamic);
  	    },
  	    _computeHashCode$1(key) {
  	      return A.objectHashCode(key) & 1073741823;
  	    },
  	    _findBucketIndex$2(bucket, element) {
  	      var $length, i, t1;
  	      if (bucket == null)
  	        return -1;
  	      $length = bucket.length;
  	      for (i = 0; i < $length; ++i) {
  	        t1 = bucket[i]._element;
  	        if (t1 == null ? element == null : t1 === element)
  	          return i;
  	      }
  	      return -1;
  	    }
  	  };
  	  A._LinkedHashSetCell.prototype = {};
  	  A._LinkedHashSetIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this._collection$_current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var _this = this,
  	        cell = _this._collection$_cell,
  	        t1 = _this._set;
  	      if (_this._collection$_modifications !== t1._collection$_modifications)
  	        throw A.wrapException(A.ConcurrentModificationError$(t1));
  	      else if (cell == null) {
  	        _this._collection$_current = null;
  	        return false;
  	      } else {
  	        _this._collection$_current = cell._element;
  	        _this._collection$_cell = cell._collection$_next;
  	        return true;
  	      }
  	    }
  	  };
  	  A.UnmodifiableListView.prototype = {
  	    cast$1$0(_, $R) {
  	      return new A.UnmodifiableListView(J.cast$1$0$ax(this._collection$_source, $R), $R._eval$1("UnmodifiableListView<0>"));
  	    },
  	    get$length(_) {
  	      return J.get$length$asx(this._collection$_source);
  	    },
  	    $index(_, index) {
  	      return J.elementAt$1$ax(this._collection$_source, index);
  	    }
  	  };
  	  A.HashMap_HashMap$from_closure.prototype = {
  	    call$2(k, v) {
  	      this.result.$indexSet(0, this.K._as(k), this.V._as(v));
  	    },
  	    $signature: 159
  	  };
  	  A.LinkedHashMap_LinkedHashMap$from_closure.prototype = {
  	    call$2(k, v) {
  	      this.result.$indexSet(0, this.K._as(k), this.V._as(v));
  	    },
  	    $signature: 159
  	  };
  	  A.ListBase.prototype = {
  	    get$iterator(receiver) {
  	      return new A.ListIterator(receiver, this.get$length(receiver), A.instanceType(receiver)._eval$1("ListIterator<ListBase.E>"));
  	    },
  	    elementAt$1(receiver, index) {
  	      return this.$index(receiver, index);
  	    },
  	    forEach$1(receiver, action) {
  	      var i,
  	        $length = this.get$length(receiver);
  	      for (i = 0; i < $length; ++i) {
  	        action.call$1(this.$index(receiver, i));
  	        if ($length !== this.get$length(receiver))
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	    },
  	    get$isEmpty(receiver) {
  	      return this.get$length(receiver) === 0;
  	    },
  	    get$isNotEmpty(receiver) {
  	      return !this.get$isEmpty(receiver);
  	    },
  	    get$first(receiver) {
  	      if (this.get$length(receiver) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return this.$index(receiver, 0);
  	    },
  	    get$last(receiver) {
  	      if (this.get$length(receiver) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return this.$index(receiver, this.get$length(receiver) - 1);
  	    },
  	    get$single(receiver) {
  	      if (this.get$length(receiver) === 0)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      if (this.get$length(receiver) > 1)
  	        throw A.wrapException(A.IterableElementError_tooMany());
  	      return this.$index(receiver, 0);
  	    },
  	    contains$1(receiver, element) {
  	      var i,
  	        $length = this.get$length(receiver);
  	      for (i = 0; i < $length; ++i) {
  	        if (J.$eq$(this.$index(receiver, i), element))
  	          return true;
  	        if ($length !== this.get$length(receiver))
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return false;
  	    },
  	    every$1(receiver, test) {
  	      var i,
  	        $length = this.get$length(receiver);
  	      for (i = 0; i < $length; ++i) {
  	        if (!test.call$1(this.$index(receiver, i)))
  	          return false;
  	        if ($length !== this.get$length(receiver))
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return true;
  	    },
  	    any$1(receiver, test) {
  	      var i,
  	        $length = this.get$length(receiver);
  	      for (i = 0; i < $length; ++i) {
  	        if (test.call$1(this.$index(receiver, i)))
  	          return true;
  	        if ($length !== this.get$length(receiver))
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      return false;
  	    },
  	    lastWhere$2$orElse(receiver, test, orElse) {
  	      var i, element,
  	        $length = this.get$length(receiver);
  	      for (i = $length - 1; i >= 0; --i) {
  	        element = this.$index(receiver, i);
  	        if (test.call$1(element))
  	          return element;
  	        if ($length !== this.get$length(receiver))
  	          throw A.wrapException(A.ConcurrentModificationError$(receiver));
  	      }
  	      if (orElse != null)
  	        return orElse.call$0();
  	      throw A.wrapException(A.IterableElementError_noElement());
  	    },
  	    join$1(receiver, separator) {
  	      var t1;
  	      if (this.get$length(receiver) === 0)
  	        return "";
  	      t1 = A.StringBuffer__writeAll("", receiver, separator);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    where$1(receiver, test) {
  	      return new A.WhereIterable(receiver, test, A.instanceType(receiver)._eval$1("WhereIterable<ListBase.E>"));
  	    },
  	    map$1$1(receiver, f, $T) {
  	      return new A.MappedListIterable(receiver, f, A.instanceType(receiver)._eval$1("@<ListBase.E>")._bind$1($T)._eval$1("MappedListIterable<1,2>"));
  	    },
  	    expand$1$1(receiver, f, $T) {
  	      return new A.ExpandIterable(receiver, f, A.instanceType(receiver)._eval$1("@<ListBase.E>")._bind$1($T)._eval$1("ExpandIterable<1,2>"));
  	    },
  	    skip$1(receiver, count) {
  	      return A.SubListIterable$(receiver, count, null, A.instanceType(receiver)._eval$1("ListBase.E"));
  	    },
  	    take$1(receiver, count) {
  	      return A.SubListIterable$(receiver, 0, A.checkNotNullable(count, "count", type$.int), A.instanceType(receiver)._eval$1("ListBase.E"));
  	    },
  	    toList$1$growable(receiver, growable) {
  	      var t1, first, result, i, _this = this;
  	      if (_this.get$isEmpty(receiver)) {
  	        t1 = J.JSArray_JSArray$growable(0, A.instanceType(receiver)._eval$1("ListBase.E"));
  	        return t1;
  	      }
  	      first = _this.$index(receiver, 0);
  	      result = A.List_List$filled(_this.get$length(receiver), first, true, A.instanceType(receiver)._eval$1("ListBase.E"));
  	      for (i = 1; i < _this.get$length(receiver); ++i)
  	        result[i] = _this.$index(receiver, i);
  	      return result;
  	    },
  	    toList$0(receiver) {
  	      return this.toList$1$growable(receiver, true);
  	    },
  	    toSet$0(receiver) {
  	      var i,
  	        result = A.LinkedHashSet_LinkedHashSet(A.instanceType(receiver)._eval$1("ListBase.E"));
  	      for (i = 0; i < this.get$length(receiver); ++i)
  	        result.add$1(0, this.$index(receiver, i));
  	      return result;
  	    },
  	    add$1(receiver, element) {
  	      var t1 = this.get$length(receiver);
  	      this.set$length(receiver, t1 + 1);
  	      this.$indexSet(receiver, t1, element);
  	    },
  	    addAll$1(receiver, iterable) {
  	      var t1;
  	        this.get$length(receiver);
  	      for (t1 = iterable.get$iterator(iterable); t1.moveNext$0();) {
  	        this.add$1(receiver, t1.get$current(t1));
  	      }
  	    },
  	    _closeGap$2(receiver, start, end) {
  	      var i, _this = this,
  	        $length = _this.get$length(receiver),
  	        size = end - start;
  	      for (i = end; i < $length; ++i)
  	        _this.$indexSet(receiver, i - size, _this.$index(receiver, i));
  	      _this.set$length(receiver, $length - size);
  	    },
  	    cast$1$0(receiver, $R) {
  	      return new A.CastList(receiver, A.instanceType(receiver)._eval$1("@<ListBase.E>")._bind$1($R)._eval$1("CastList<1,2>"));
  	    },
  	    sort$1(receiver, compare) {
  	      var t1 = compare == null ? A.collection_ListBase__compareAny$closure() : compare;
  	      A.Sort__doSort(receiver, 0, this.get$length(receiver) - 1, t1);
  	    },
  	    sublist$2(receiver, start, end) {
  	      var t1,
  	        listLength = this.get$length(receiver);
  	      A.RangeError_checkValidRange(start, listLength, listLength);
  	      t1 = A.List_List$_of(this.getRange$2(receiver, start, listLength), A.instanceType(receiver)._eval$1("ListBase.E"));
  	      return t1;
  	    },
  	    sublist$1(receiver, start) {
  	      return this.sublist$2(receiver, start, null);
  	    },
  	    getRange$2(receiver, start, end) {
  	      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
  	      return A.SubListIterable$(receiver, start, end, A.instanceType(receiver)._eval$1("ListBase.E"));
  	    },
  	    removeRange$2(receiver, start, end) {
  	      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
  	      if (end > start)
  	        this._closeGap$2(receiver, start, end);
  	    },
  	    fillRange$3(receiver, start, end, fill) {
  	      var i,
  	        value = fill == null ? A.instanceType(receiver)._eval$1("ListBase.E")._as(fill) : fill;
  	      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
  	      for (i = start; i < end; ++i)
  	        this.$indexSet(receiver, i, value);
  	    },
  	    setRange$4(receiver, start, end, iterable, skipCount) {
  	      var $length, otherStart, otherList, t1, i;
  	      A.RangeError_checkValidRange(start, end, this.get$length(receiver));
  	      $length = end - start;
  	      if ($length === 0)
  	        return;
  	      A.RangeError_checkNotNegative(skipCount, "skipCount");
  	      if (type$.List_dynamic._is(iterable)) {
  	        otherStart = skipCount;
  	        otherList = iterable;
  	      } else {
  	        otherList = J.skip$1$ax(iterable, skipCount).toList$1$growable(0, false);
  	        otherStart = 0;
  	      }
  	      t1 = J.getInterceptor$asx(otherList);
  	      if (otherStart + $length > t1.get$length(otherList))
  	        throw A.wrapException(A.IterableElementError_tooFew());
  	      if (otherStart < start)
  	        for (i = $length - 1; i >= 0; --i)
  	          this.$indexSet(receiver, start + i, t1.$index(otherList, otherStart + i));
  	      else
  	        for (i = 0; i < $length; ++i)
  	          this.$indexSet(receiver, start + i, t1.$index(otherList, otherStart + i));
  	    },
  	    get$reversed(receiver) {
  	      return new A.ReversedListIterable(receiver, A.instanceType(receiver)._eval$1("ReversedListIterable<ListBase.E>"));
  	    },
  	    toString$0(receiver) {
  	      return A.Iterable_iterableToFullString(receiver, "[", "]");
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isIterable: 1,
  	    $isList: 1
  	  };
  	  A.MapBase.prototype = {
  	    cast$2$0(_, $RK, $RV) {
  	      var t1 = A._instanceType(this);
  	      return A.Map_castFrom(this, t1._eval$1("MapBase.K"), t1._eval$1("MapBase.V"), $RK, $RV);
  	    },
  	    forEach$1(_, action) {
  	      var t1, t2, key, t3, _this = this;
  	      for (t1 = _this.get$keys(_this), t1 = t1.get$iterator(t1), t2 = A._instanceType(_this)._eval$1("MapBase.V"); t1.moveNext$0();) {
  	        key = t1.get$current(t1);
  	        t3 = _this.$index(0, key);
  	        action.call$2(key, t3 == null ? t2._as(t3) : t3);
  	      }
  	    },
  	    addAll$1(_, other) {
  	      other.forEach$1(0, new A.MapBase_addAll_closure(this));
  	    },
  	    get$entries(_) {
  	      var _this = this,
  	        t1 = _this.get$keys(_this);
  	      return t1.map$1$1(t1, new A.MapBase_entries_closure(_this), A._instanceType(_this)._eval$1("MapEntry<MapBase.K,MapBase.V>"));
  	    },
  	    containsKey$1(key) {
  	      var t1 = this.get$keys(this);
  	      return t1.contains$1(t1, key);
  	    },
  	    get$length(_) {
  	      var t1 = this.get$keys(this);
  	      return t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this.get$keys(this);
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this.get$keys(this);
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$values(_) {
  	      return new A._MapBaseValueIterable(this, A._instanceType(this)._eval$1("_MapBaseValueIterable<MapBase.K,MapBase.V>"));
  	    },
  	    toString$0(_) {
  	      return A.MapBase_mapToString(this);
  	    },
  	    $isMap: 1
  	  };
  	  A.MapBase_addAll_closure.prototype = {
  	    call$2(key, value) {
  	      this.$this.$indexSet(0, key, value);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("~(MapBase.K,MapBase.V)");
  	    }
  	  };
  	  A.MapBase_entries_closure.prototype = {
  	    call$1(key) {
  	      var t1 = this.$this,
  	        t2 = t1.$index(0, key);
  	      if (t2 == null)
  	        t2 = A._instanceType(t1)._eval$1("MapBase.V")._as(t2);
  	      return new A.MapEntry(key, t2, A._instanceType(t1)._eval$1("MapEntry<MapBase.K,MapBase.V>"));
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("MapEntry<MapBase.K,MapBase.V>(MapBase.K)");
  	    }
  	  };
  	  A.MapBase_mapToString_closure.prototype = {
  	    call$2(k, v) {
  	      var t2,
  	        t1 = this._box_0;
  	      if (!t1.first)
  	        this.result._contents += ", ";
  	      t1.first = false;
  	      t1 = this.result;
  	      t2 = A.S(k);
  	      t1._contents = (t1._contents += t2) + ": ";
  	      t2 = A.S(v);
  	      t1._contents += t2;
  	    },
  	    $signature: 162
  	  };
  	  A.UnmodifiableMapBase.prototype = {};
  	  A._MapBaseValueIterable.prototype = {
  	    get$length(_) {
  	      var t1 = this._map;
  	      return t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._map;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._map;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$first(_) {
  	      var t1 = this._map,
  	        t2 = t1.get$keys(t1);
  	      t2 = t1.$index(0, t2.get$first(t2));
  	      return t2 == null ? this.$ti._rest[1]._as(t2) : t2;
  	    },
  	    get$single(_) {
  	      var t1 = this._map,
  	        t2 = t1.get$keys(t1);
  	      t2 = t1.$index(0, t2.get$single(t2));
  	      return t2 == null ? this.$ti._rest[1]._as(t2) : t2;
  	    },
  	    get$last(_) {
  	      var t1 = this._map,
  	        t2 = t1.get$keys(t1);
  	      t2 = t1.$index(0, t2.get$last(t2));
  	      return t2 == null ? this.$ti._rest[1]._as(t2) : t2;
  	    },
  	    get$iterator(_) {
  	      var t1 = this._map,
  	        t2 = t1.get$keys(t1);
  	      return new A._MapBaseValueIterator(t2.get$iterator(t2), t1, this.$ti._eval$1("_MapBaseValueIterator<1,2>"));
  	    }
  	  };
  	  A._MapBaseValueIterator.prototype = {
  	    moveNext$0() {
  	      var _this = this,
  	        t1 = _this._collection$_keys;
  	      if (t1.moveNext$0()) {
  	        _this._collection$_current = _this._map.$index(0, t1.get$current(t1));
  	        return true;
  	      }
  	      _this._collection$_current = null;
  	      return false;
  	    },
  	    get$current(_) {
  	      var t1 = this._collection$_current;
  	      return t1 == null ? this.$ti._rest[1]._as(t1) : t1;
  	    }
  	  };
  	  A._UnmodifiableMapMixin.prototype = {
  	    $indexSet(_, key, value) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable map"));
  	    },
  	    addAll$1(_, other) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable map"));
  	    },
  	    remove$1(_, key) {
  	      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable map"));
  	    }
  	  };
  	  A.MapView.prototype = {
  	    cast$2$0(_, $RK, $RV) {
  	      return this._map.cast$2$0(0, $RK, $RV);
  	    },
  	    $index(_, key) {
  	      return this._map.$index(0, key);
  	    },
  	    $indexSet(_, key, value) {
  	      this._map.$indexSet(0, key, value);
  	    },
  	    addAll$1(_, other) {
  	      this._map.addAll$1(0, other);
  	    },
  	    containsKey$1(key) {
  	      return this._map.containsKey$1(key);
  	    },
  	    forEach$1(_, action) {
  	      this._map.forEach$1(0, action);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._map;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._map;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$length(_) {
  	      var t1 = this._map;
  	      return t1.get$length(t1);
  	    },
  	    get$keys(_) {
  	      var t1 = this._map;
  	      return t1.get$keys(t1);
  	    },
  	    remove$1(_, key) {
  	      return this._map.remove$1(0, key);
  	    },
  	    toString$0(_) {
  	      return this._map.toString$0(0);
  	    },
  	    get$values(_) {
  	      var t1 = this._map;
  	      return t1.get$values(t1);
  	    },
  	    get$entries(_) {
  	      var t1 = this._map;
  	      return t1.get$entries(t1);
  	    },
  	    $isMap: 1
  	  };
  	  A.UnmodifiableMapView.prototype = {
  	    cast$2$0(_, $RK, $RV) {
  	      return new A.UnmodifiableMapView(this._map.cast$2$0(0, $RK, $RV), $RK._eval$1("@<0>")._bind$1($RV)._eval$1("UnmodifiableMapView<1,2>"));
  	    }
  	  };
  	  A.ListQueue.prototype = {
  	    get$iterator(_) {
  	      var _this = this;
  	      return new A._ListQueueIterator(_this, _this._tail, _this._modificationCount, _this._head, _this.$ti._eval$1("_ListQueueIterator<1>"));
  	    },
  	    get$isEmpty(_) {
  	      return this._head === this._tail;
  	    },
  	    get$length(_) {
  	      return (this._tail - this._head & this._table.length - 1) >>> 0;
  	    },
  	    get$first(_) {
  	      var _this = this,
  	        t1 = _this._head;
  	      if (t1 === _this._tail)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      t1 = _this._table[t1];
  	      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    get$last(_) {
  	      var _this = this,
  	        t1 = _this._head,
  	        t2 = _this._tail;
  	      if (t1 === t2)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      t1 = _this._table;
  	      t1 = t1[(t2 - 1 & t1.length - 1) >>> 0];
  	      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    get$single(_) {
  	      var t1, _this = this;
  	      if (_this._head === _this._tail)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      if (_this.get$length(0) > 1)
  	        throw A.wrapException(A.IterableElementError_tooMany());
  	      t1 = _this._table[_this._head];
  	      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    elementAt$1(_, index) {
  	      var t1, _this = this;
  	      A.IndexError_check(index, _this.get$length(0), _this, null, null);
  	      t1 = _this._table;
  	      t1 = t1[(_this._head + index & t1.length - 1) >>> 0];
  	      return t1 == null ? _this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1, list, t2, t3, i, t4, _this = this,
  	        mask = _this._table.length - 1,
  	        $length = (_this._tail - _this._head & mask) >>> 0;
  	      if ($length === 0) {
  	        t1 = J.JSArray_JSArray$growable(0, _this.$ti._precomputed1);
  	        return t1;
  	      }
  	      t1 = _this.$ti._precomputed1;
  	      list = A.List_List$filled($length, _this.get$first(0), true, t1);
  	      for (t2 = _this._table, t3 = _this._head, i = 0; i < $length; ++i) {
  	        t4 = t2[(t3 + i & mask) >>> 0];
  	        list[i] = t4 == null ? t1._as(t4) : t4;
  	      }
  	      return list;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    addAll$1(_, elements) {
  	      var newTable, endSpace, preSpace, _this = this,
  	        addCount = elements.length,
  	        $length = _this.get$length(0),
  	        t1 = $length + addCount,
  	        t2 = _this._table,
  	        t3 = t2.length;
  	      if (t1 >= t3) {
  	        newTable = A.List_List$filled(A.ListQueue__nextPowerOf2(t1 + (t1 >>> 1)), null, false, _this.$ti._eval$1("1?"));
  	        _this._tail = _this._collection$_writeToList$1(newTable);
  	        _this._table = newTable;
  	        _this._head = 0;
  	        B.JSArray_methods.setRange$4(newTable, $length, t1, elements, 0);
  	        _this._tail += addCount;
  	      } else {
  	        t1 = _this._tail;
  	        endSpace = t3 - t1;
  	        if (addCount < endSpace) {
  	          B.JSArray_methods.setRange$4(t2, t1, t1 + addCount, elements, 0);
  	          _this._tail += addCount;
  	        } else {
  	          preSpace = addCount - endSpace;
  	          B.JSArray_methods.setRange$4(t2, t1, t1 + endSpace, elements, 0);
  	          B.JSArray_methods.setRange$4(_this._table, 0, preSpace, elements, endSpace);
  	          _this._tail = preSpace;
  	        }
  	      }
  	      ++_this._modificationCount;
  	    },
  	    clear$0(_) {
  	      var t2, t3, _this = this,
  	        i = _this._head,
  	        t1 = _this._tail;
  	      if (i !== t1) {
  	        for (t2 = _this._table, t3 = t2.length - 1; i !== t1; i = (i + 1 & t3) >>> 0)
  	          t2[i] = null;
  	        _this._head = _this._tail = 0;
  	        ++_this._modificationCount;
  	      }
  	    },
  	    toString$0(_) {
  	      return A.Iterable_iterableToFullString(this, "{", "}");
  	    },
  	    addFirst$1(value) {
  	      var _this = this,
  	        t1 = _this._head,
  	        t2 = _this._table;
  	      t1 = _this._head = (t1 - 1 & t2.length - 1) >>> 0;
  	      t2[t1] = value;
  	      if (t1 === _this._tail)
  	        _this._grow$0();
  	      ++_this._modificationCount;
  	    },
  	    removeFirst$0() {
  	      var t2, result, _this = this,
  	        t1 = _this._head;
  	      if (t1 === _this._tail)
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      ++_this._modificationCount;
  	      t2 = _this._table;
  	      result = t2[t1];
  	      if (result == null)
  	        result = _this.$ti._precomputed1._as(result);
  	      t2[t1] = null;
  	      _this._head = (t1 + 1 & t2.length - 1) >>> 0;
  	      return result;
  	    },
  	    _add$1(element) {
  	      var _this = this,
  	        t1 = _this._table,
  	        t2 = _this._tail;
  	      t1[t2] = element;
  	      t1 = (t2 + 1 & t1.length - 1) >>> 0;
  	      _this._tail = t1;
  	      if (_this._head === t1)
  	        _this._grow$0();
  	      ++_this._modificationCount;
  	    },
  	    _grow$0() {
  	      var _this = this,
  	        newTable = A.List_List$filled(_this._table.length * 2, null, false, _this.$ti._eval$1("1?")),
  	        t1 = _this._table,
  	        t2 = _this._head,
  	        split = t1.length - t2;
  	      B.JSArray_methods.setRange$4(newTable, 0, split, t1, t2);
  	      B.JSArray_methods.setRange$4(newTable, split, split + _this._head, _this._table, 0);
  	      _this._head = 0;
  	      _this._tail = _this._table.length;
  	      _this._table = newTable;
  	    },
  	    _collection$_writeToList$1(target) {
  	      var $length, firstPartSize, _this = this,
  	        t1 = _this._head,
  	        t2 = _this._tail,
  	        t3 = _this._table;
  	      if (t1 <= t2) {
  	        $length = t2 - t1;
  	        B.JSArray_methods.setRange$4(target, 0, $length, t3, t1);
  	        return $length;
  	      } else {
  	        firstPartSize = t3.length - t1;
  	        B.JSArray_methods.setRange$4(target, 0, firstPartSize, t3, t1);
  	        B.JSArray_methods.setRange$4(target, firstPartSize, firstPartSize + _this._tail, _this._table, 0);
  	        return _this._tail + firstPartSize;
  	      }
  	    },
  	    $isQueue: 1
  	  };
  	  A._ListQueueIterator.prototype = {
  	    get$current(_) {
  	      var t1 = this._collection$_current;
  	      return t1 == null ? this.$ti._precomputed1._as(t1) : t1;
  	    },
  	    moveNext$0() {
  	      var t2, _this = this,
  	        t1 = _this._queue;
  	      if (_this._modificationCount !== t1._modificationCount)
  	        A.throwExpression(A.ConcurrentModificationError$(t1));
  	      t2 = _this._collection$_position;
  	      if (t2 === _this._collection$_end) {
  	        _this._collection$_current = null;
  	        return false;
  	      }
  	      t1 = t1._table;
  	      _this._collection$_current = t1[t2];
  	      _this._collection$_position = (t2 + 1 & t1.length - 1) >>> 0;
  	      return true;
  	    }
  	  };
  	  A.SetBase.prototype = {
  	    get$isEmpty(_) {
  	      return this.get$length(this) === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.get$length(this) !== 0;
  	    },
  	    addAll$1(_, elements) {
  	      var t1;
  	      for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
  	        this.add$1(0, t1.get$current(t1));
  	    },
  	    removeAll$1(elements) {
  	      var t1;
  	      for (t1 = J.get$iterator$ax(elements); t1.moveNext$0();)
  	        this.remove$1(0, t1.get$current(t1));
  	    },
  	    difference$1(other) {
  	      var t1, t2, element,
  	        result = this.toSet$0(0);
  	      for (t1 = this.get$iterator(this), t2 = other._source; t1.moveNext$0();) {
  	        element = t1.get$current(t1);
  	        if (t2.contains$1(0, element))
  	          result.remove$1(0, element);
  	      }
  	      return result;
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1 = A.List_List$_of(this, A._instanceType(this)._precomputed1);
  	      return t1;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    map$1$1(_, f, $T) {
  	      return new A.EfficientLengthMappedIterable(this, f, A._instanceType(this)._eval$1("@<1>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
  	    },
  	    get$single(_) {
  	      var it, _this = this;
  	      if (_this.get$length(_this) > 1)
  	        throw A.wrapException(A.IterableElementError_tooMany());
  	      it = _this.get$iterator(_this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return it.get$current(it);
  	    },
  	    toString$0(_) {
  	      return A.Iterable_iterableToFullString(this, "{", "}");
  	    },
  	    where$1(_, f) {
  	      return new A.WhereIterable(this, f, A._instanceType(this)._eval$1("WhereIterable<1>"));
  	    },
  	    forEach$1(_, f) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        f.call$1(t1.get$current(t1));
  	    },
  	    every$1(_, f) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        if (!f.call$1(t1.get$current(t1)))
  	          return false;
  	      return true;
  	    },
  	    any$1(_, test) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        if (test.call$1(t1.get$current(t1)))
  	          return true;
  	      return false;
  	    },
  	    take$1(_, n) {
  	      return A.TakeIterable_TakeIterable(this, n, A._instanceType(this)._precomputed1);
  	    },
  	    skip$1(_, n) {
  	      return A.SkipIterable_SkipIterable(this, n, A._instanceType(this)._precomputed1);
  	    },
  	    get$first(_) {
  	      var it = this.get$iterator(this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return it.get$current(it);
  	    },
  	    get$last(_) {
  	      var result,
  	        it = this.get$iterator(this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      do
  	        result = it.get$current(it);
  	      while (it.moveNext$0());
  	      return result;
  	    },
  	    elementAt$1(_, index) {
  	      var iterator, skipCount;
  	      A.RangeError_checkNotNegative(index, "index");
  	      iterator = this.get$iterator(this);
  	      for (skipCount = index; iterator.moveNext$0();) {
  	        if (skipCount === 0)
  	          return iterator.get$current(iterator);
  	        --skipCount;
  	      }
  	      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isIterable: 1,
  	    $isSet: 1
  	  };
  	  A._SetBase.prototype = {
  	    difference$1(other) {
  	      var t1, t2, element, _this = this,
  	        result = _this._newSet$0();
  	      for (t1 = A._LinkedHashSetIterator$(_this, _this._collection$_modifications, A._instanceType(_this)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        element = t1._collection$_current;
  	        if (element == null)
  	          element = t2._as(element);
  	        if (!other.contains$1(0, element))
  	          result.add$1(0, element);
  	      }
  	      return result;
  	    },
  	    intersection$1(other) {
  	      var t1, t2, element, _this = this,
  	        result = _this._newSet$0();
  	      for (t1 = A._LinkedHashSetIterator$(_this, _this._collection$_modifications, A._instanceType(_this)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        element = t1._collection$_current;
  	        if (element == null)
  	          element = t2._as(element);
  	        if (other.contains$1(0, element))
  	          result.add$1(0, element);
  	      }
  	      return result;
  	    },
  	    toSet$0(_) {
  	      var t1 = this._newSet$0();
  	      t1.addAll$1(0, this);
  	      return t1;
  	    }
  	  };
  	  A._UnmodifiableSetMixin.prototype = {
  	    add$1(_, value) {
  	      return A._UnmodifiableSetMixin__throwUnmodifiable();
  	    },
  	    addAll$1(_, elements) {
  	      return A._UnmodifiableSetMixin__throwUnmodifiable();
  	    },
  	    remove$1(_, value) {
  	      return A._UnmodifiableSetMixin__throwUnmodifiable();
  	    }
  	  };
  	  A.UnmodifiableSetView.prototype = {
  	    contains$1(_, element) {
  	      return this._collection$_source.contains$1(0, element);
  	    },
  	    get$length(_) {
  	      return this._collection$_source._collection$_length;
  	    },
  	    get$iterator(_) {
  	      var t1 = this._collection$_source;
  	      return A._LinkedHashSetIterator$(t1, t1._collection$_modifications, A._instanceType(t1)._precomputed1);
  	    },
  	    toSet$0(_) {
  	      return this._collection$_source.toSet$0(0);
  	    }
  	  };
  	  A._UnmodifiableMapView_MapView__UnmodifiableMapMixin.prototype = {};
  	  A._UnmodifiableSetView_SetBase__UnmodifiableSetMixin.prototype = {};
  	  A._JsonMap.prototype = {
  	    $index(_, key) {
  	      var result,
  	        t1 = this._processed;
  	      if (t1 == null)
  	        return this._data.$index(0, key);
  	      else if (typeof key != "string")
  	        return null;
  	      else {
  	        result = t1[key];
  	        return typeof result == "undefined" ? this._process$1(key) : result;
  	      }
  	    },
  	    get$length(_) {
  	      return this._processed == null ? this._data.__js_helper$_length : this._convert$_computeKeys$0().length;
  	    },
  	    get$isEmpty(_) {
  	      return this.get$length(0) === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this.get$length(0) > 0;
  	    },
  	    get$keys(_) {
  	      var t1;
  	      if (this._processed == null) {
  	        t1 = this._data;
  	        return new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>"));
  	      }
  	      return new A._JsonMapKeyIterable(this);
  	    },
  	    get$values(_) {
  	      var t1, _this = this;
  	      if (_this._processed == null) {
  	        t1 = _this._data;
  	        return new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>"));
  	      }
  	      return A.MappedIterable_MappedIterable(_this._convert$_computeKeys$0(), new A._JsonMap_values_closure(_this), type$.String, type$.dynamic);
  	    },
  	    $indexSet(_, key, value) {
  	      var processed, original, _this = this;
  	      if (_this._processed == null)
  	        _this._data.$indexSet(0, key, value);
  	      else if (_this.containsKey$1(key)) {
  	        processed = _this._processed;
  	        processed[key] = value;
  	        original = _this._original;
  	        if (original == null ? processed != null : original !== processed)
  	          original[key] = null;
  	      } else
  	        _this._upgrade$0().$indexSet(0, key, value);
  	    },
  	    addAll$1(_, other) {
  	      other.forEach$1(0, new A._JsonMap_addAll_closure(this));
  	    },
  	    containsKey$1(key) {
  	      if (this._processed == null)
  	        return this._data.containsKey$1(key);
  	      if (typeof key != "string")
  	        return false;
  	      return Object.prototype.hasOwnProperty.call(this._original, key);
  	    },
  	    remove$1(_, key) {
  	      if (this._processed != null && !this.containsKey$1(key))
  	        return null;
  	      return this._upgrade$0().remove$1(0, key);
  	    },
  	    forEach$1(_, f) {
  	      var keys, i, key, value, _this = this;
  	      if (_this._processed == null)
  	        return _this._data.forEach$1(0, f);
  	      keys = _this._convert$_computeKeys$0();
  	      for (i = 0; i < keys.length; ++i) {
  	        key = keys[i];
  	        value = _this._processed[key];
  	        if (typeof value == "undefined") {
  	          value = A._convertJsonToDartLazy(_this._original[key]);
  	          _this._processed[key] = value;
  	        }
  	        f.call$2(key, value);
  	        if (keys !== _this._data)
  	          throw A.wrapException(A.ConcurrentModificationError$(_this));
  	      }
  	    },
  	    _convert$_computeKeys$0() {
  	      var keys = this._data;
  	      if (keys == null)
  	        keys = this._data = A._setArrayType(Object.keys(this._original), type$.JSArray_String);
  	      return keys;
  	    },
  	    _upgrade$0() {
  	      var result, keys, i, t1, key, _this = this;
  	      if (_this._processed == null)
  	        return _this._data;
  	      result = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic);
  	      keys = _this._convert$_computeKeys$0();
  	      for (i = 0; t1 = keys.length, i < t1; ++i) {
  	        key = keys[i];
  	        result.$indexSet(0, key, _this.$index(0, key));
  	      }
  	      if (t1 === 0)
  	        keys.push("");
  	      else
  	        B.JSArray_methods.clear$0(keys);
  	      _this._original = _this._processed = null;
  	      return _this._data = result;
  	    },
  	    _process$1(key) {
  	      var result;
  	      if (!Object.prototype.hasOwnProperty.call(this._original, key))
  	        return null;
  	      result = A._convertJsonToDartLazy(this._original[key]);
  	      return this._processed[key] = result;
  	    }
  	  };
  	  A._JsonMap_values_closure.prototype = {
  	    call$1(each) {
  	      return this.$this.$index(0, each);
  	    },
  	    $signature: 186
  	  };
  	  A._JsonMap_addAll_closure.prototype = {
  	    call$2(key, value) {
  	      this.$this.$indexSet(0, key, value);
  	    },
  	    $signature: 140
  	  };
  	  A._JsonMapKeyIterable.prototype = {
  	    get$length(_) {
  	      return this._convert$_parent.get$length(0);
  	    },
  	    elementAt$1(_, index) {
  	      var t1 = this._convert$_parent;
  	      return t1._processed == null ? t1.get$keys(0).elementAt$1(0, index) : t1._convert$_computeKeys$0()[index];
  	    },
  	    get$iterator(_) {
  	      var t1 = this._convert$_parent;
  	      if (t1._processed == null) {
  	        t1 = t1.get$keys(0);
  	        t1 = t1.get$iterator(t1);
  	      } else {
  	        t1 = t1._convert$_computeKeys$0();
  	        t1 = new J.ArrayIterator(t1, t1.length, A._arrayInstanceType(t1)._eval$1("ArrayIterator<1>"));
  	      }
  	      return t1;
  	    },
  	    contains$1(_, key) {
  	      return this._convert$_parent.containsKey$1(key);
  	    }
  	  };
  	  A._Utf8Decoder__decoder_closure.prototype = {
  	    call$0() {
  	      var t1;
  	      try {
  	        t1 = new TextDecoder("utf-8", {fatal: true});
  	        return t1;
  	      } catch (exception) {
  	      }
  	      return null;
  	    },
  	    $signature: 64
  	  };
  	  A._Utf8Decoder__decoderNonfatal_closure.prototype = {
  	    call$0() {
  	      var t1;
  	      try {
  	        t1 = new TextDecoder("utf-8", {fatal: false});
  	        return t1;
  	      } catch (exception) {
  	      }
  	      return null;
  	    },
  	    $signature: 64
  	  };
  	  A.AsciiCodec.prototype = {
  	    encode$1(source) {
  	      return B.AsciiEncoder_127.convert$1(source);
  	    }
  	  };
  	  A._UnicodeSubsetEncoder.prototype = {
  	    convert$1(string) {
  	      var t1, i, codeUnit,
  	        end = A.RangeError_checkValidRange(0, null, string.length),
  	        result = new Uint8Array(end);
  	      for (t1 = ~this._subsetMask, i = 0; i < end; ++i) {
  	        codeUnit = string.charCodeAt(i);
  	        if ((codeUnit & t1) !== 0)
  	          throw A.wrapException(A.ArgumentError$value(string, "string", "Contains invalid characters."));
  	        result[i] = codeUnit;
  	      }
  	      return result;
  	    }
  	  };
  	  A.AsciiEncoder.prototype = {};
  	  A.Base64Codec.prototype = {
  	    normalize$3(source, start, end) {
  	      var inverseAlphabet, i, sliceStart, buffer, firstPadding, firstPaddingSourceIndex, paddingCount, i0, char, i1, digit1, digit2, char0, value, t1, t2, endLength, $length,
  	        _s31_ = "Invalid base64 encoding length ";
  	      end = A.RangeError_checkValidRange(start, end, source.length);
  	      inverseAlphabet = $.$get$_Base64Decoder__inverseAlphabet();
  	      for (i = start, sliceStart = i, buffer = null, firstPadding = -1, firstPaddingSourceIndex = -1, paddingCount = 0; i < end; i = i0) {
  	        i0 = i + 1;
  	        char = source.charCodeAt(i);
  	        if (char === 37) {
  	          i1 = i0 + 2;
  	          if (i1 <= end) {
  	            digit1 = A.hexDigitValue(source.charCodeAt(i0));
  	            digit2 = A.hexDigitValue(source.charCodeAt(i0 + 1));
  	            char0 = digit1 * 16 + digit2 - (digit2 & 256);
  	            if (char0 === 37)
  	              char0 = -1;
  	            i0 = i1;
  	          } else
  	            char0 = -1;
  	        } else
  	          char0 = char;
  	        if (0 <= char0 && char0 <= 127) {
  	          value = inverseAlphabet[char0];
  	          if (value >= 0) {
  	            char0 = string$.ABCDEF.charCodeAt(value);
  	            if (char0 === char)
  	              continue;
  	            char = char0;
  	          } else {
  	            if (value === -1) {
  	              if (firstPadding < 0) {
  	                t1 = buffer == null ? null : buffer._contents.length;
  	                if (t1 == null)
  	                  t1 = 0;
  	                firstPadding = t1 + (i - sliceStart);
  	                firstPaddingSourceIndex = i;
  	              }
  	              ++paddingCount;
  	              if (char === 61)
  	                continue;
  	            }
  	            char = char0;
  	          }
  	          if (value !== -2) {
  	            if (buffer == null) {
  	              buffer = new A.StringBuffer("");
  	              t1 = buffer;
  	            } else
  	              t1 = buffer;
  	            t1._contents += B.JSString_methods.substring$2(source, sliceStart, i);
  	            t2 = A.Primitives_stringFromCharCode(char);
  	            t1._contents += t2;
  	            sliceStart = i0;
  	            continue;
  	          }
  	        }
  	        throw A.wrapException(A.FormatException$("Invalid base64 data", source, i));
  	      }
  	      if (buffer != null) {
  	        t1 = B.JSString_methods.substring$2(source, sliceStart, end);
  	        t1 = buffer._contents += t1;
  	        t2 = t1.length;
  	        if (firstPadding >= 0)
  	          A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, t2);
  	        else {
  	          endLength = B.JSInt_methods.$mod(t2 - 1, 4) + 1;
  	          if (endLength === 1)
  	            throw A.wrapException(A.FormatException$(_s31_, source, end));
  	          while (endLength < 4) {
  	            t1 += "=";
  	            buffer._contents = t1;
  	            ++endLength;
  	          }
  	        }
  	        t1 = buffer._contents;
  	        return B.JSString_methods.replaceRange$3(source, start, end, t1.charCodeAt(0) == 0 ? t1 : t1);
  	      }
  	      $length = end - start;
  	      if (firstPadding >= 0)
  	        A.Base64Codec__checkPadding(source, firstPaddingSourceIndex, end, firstPadding, paddingCount, $length);
  	      else {
  	        endLength = B.JSInt_methods.$mod($length, 4);
  	        if (endLength === 1)
  	          throw A.wrapException(A.FormatException$(_s31_, source, end));
  	        if (endLength > 1)
  	          source = B.JSString_methods.replaceRange$3(source, end, end, endLength === 2 ? "==" : "=");
  	      }
  	      return source;
  	    }
  	  };
  	  A.Base64Encoder.prototype = {
  	    startChunkedConversion$1(sink) {
  	      return new A._Utf8Base64EncoderSink(new A._Utf8StringSinkAdapter(new A._Utf8Decoder(false), sink, sink._stringSink), new A._Base64Encoder(string$.ABCDEF));
  	    }
  	  };
  	  A._Base64Encoder.prototype = {
  	    createBuffer$1(bufferLength) {
  	      return new Uint8Array(bufferLength);
  	    },
  	    encode$4(bytes, start, end, isLast) {
  	      var output, _this = this,
  	        byteCount = (_this._convert$_state & 3) + (end - start),
  	        fullChunks = B.JSInt_methods._tdivFast$1(byteCount, 3),
  	        bufferLength = fullChunks * 4;
  	      if (isLast && byteCount - fullChunks * 3 > 0)
  	        bufferLength += 4;
  	      output = _this.createBuffer$1(bufferLength);
  	      _this._convert$_state = A._Base64Encoder_encodeChunk(_this._alphabet, bytes, start, end, isLast, output, 0, _this._convert$_state);
  	      if (bufferLength > 0)
  	        return output;
  	      return null;
  	    }
  	  };
  	  A._Base64EncoderSink.prototype = {};
  	  A._Utf8Base64EncoderSink.prototype = {
  	    _convert$_add$4(source, start, end, isLast) {
  	      var buffer = this._encoder.encode$4(source, start, end, isLast);
  	      if (buffer != null)
  	        this._sink.addSlice$4(buffer, 0, buffer.length, isLast);
  	    }
  	  };
  	  A.ByteConversionSink.prototype = {};
  	  A.Codec.prototype = {};
  	  A.Converter.prototype = {};
  	  A.Encoding.prototype = {};
  	  A.JsonUnsupportedObjectError.prototype = {
  	    toString$0(_) {
  	      var safeString = A.Error_safeToString(this.unsupportedObject);
  	      return (this.cause != null ? "Converting object to an encodable object failed:" : "Converting object did not return an encodable object:") + " " + safeString;
  	    }
  	  };
  	  A.JsonCyclicError.prototype = {
  	    toString$0(_) {
  	      return "Cyclic error in JSON stringify";
  	    }
  	  };
  	  A.JsonCodec.prototype = {
  	    decode$1(source) {
  	      var t1 = A._parseJson(source, this.get$decoder()._reviver);
  	      return t1;
  	    },
  	    encode$2$toEncodable(value, toEncodable) {
  	      var t1 = A._JsonStringStringifier_stringify(value, this.get$encoder()._toEncodable, null);
  	      return t1;
  	    },
  	    get$encoder() {
  	      return B.JsonEncoder_null;
  	    },
  	    get$decoder() {
  	      return B.JsonDecoder_null;
  	    }
  	  };
  	  A.JsonEncoder.prototype = {};
  	  A.JsonDecoder.prototype = {};
  	  A._JsonStringifier.prototype = {
  	    writeStringContent$1(s) {
  	      var offset, i, charCode, t1, t2, _this = this,
  	        $length = s.length;
  	      for (offset = 0, i = 0; i < $length; ++i) {
  	        charCode = s.charCodeAt(i);
  	        if (charCode > 92) {
  	          if (charCode >= 55296) {
  	            t1 = charCode & 64512;
  	            if (t1 === 55296) {
  	              t2 = i + 1;
  	              t2 = !(t2 < $length && (s.charCodeAt(t2) & 64512) === 56320);
  	            } else
  	              t2 = false;
  	            if (!t2)
  	              if (t1 === 56320) {
  	                t1 = i - 1;
  	                t1 = !(t1 >= 0 && (s.charCodeAt(t1) & 64512) === 55296);
  	              } else
  	                t1 = false;
  	            else
  	              t1 = true;
  	            if (t1) {
  	              if (i > offset)
  	                _this.writeStringSlice$3(s, offset, i);
  	              offset = i + 1;
  	              _this.writeCharCode$1(92);
  	              _this.writeCharCode$1(117);
  	              _this.writeCharCode$1(100);
  	              t1 = charCode >>> 8 & 15;
  	              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
  	              t1 = charCode >>> 4 & 15;
  	              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
  	              t1 = charCode & 15;
  	              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
  	            }
  	          }
  	          continue;
  	        }
  	        if (charCode < 32) {
  	          if (i > offset)
  	            _this.writeStringSlice$3(s, offset, i);
  	          offset = i + 1;
  	          _this.writeCharCode$1(92);
  	          switch (charCode) {
  	            case 8:
  	              _this.writeCharCode$1(98);
  	              break;
  	            case 9:
  	              _this.writeCharCode$1(116);
  	              break;
  	            case 10:
  	              _this.writeCharCode$1(110);
  	              break;
  	            case 12:
  	              _this.writeCharCode$1(102);
  	              break;
  	            case 13:
  	              _this.writeCharCode$1(114);
  	              break;
  	            default:
  	              _this.writeCharCode$1(117);
  	              _this.writeCharCode$1(48);
  	              _this.writeCharCode$1(48);
  	              t1 = charCode >>> 4 & 15;
  	              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
  	              t1 = charCode & 15;
  	              _this.writeCharCode$1(t1 < 10 ? 48 + t1 : 87 + t1);
  	              break;
  	          }
  	        } else if (charCode === 34 || charCode === 92) {
  	          if (i > offset)
  	            _this.writeStringSlice$3(s, offset, i);
  	          offset = i + 1;
  	          _this.writeCharCode$1(92);
  	          _this.writeCharCode$1(charCode);
  	        }
  	      }
  	      if (offset === 0)
  	        _this.writeString$1(s);
  	      else if (offset < $length)
  	        _this.writeStringSlice$3(s, offset, $length);
  	    },
  	    _checkCycle$1(object) {
  	      var t1, t2, i, t3;
  	      for (t1 = this._seen, t2 = t1.length, i = 0; i < t2; ++i) {
  	        t3 = t1[i];
  	        if (object == null ? t3 == null : object === t3)
  	          throw A.wrapException(new A.JsonCyclicError(object, null));
  	      }
  	      t1.push(object);
  	    },
  	    writeObject$1(object) {
  	      var customJson, e, t1, _this = this;
  	      if (_this.writeJsonValue$1(object))
  	        return;
  	      _this._checkCycle$1(object);
  	      try {
  	        customJson = _this._toEncodable.call$1(object);
  	        if (!_this.writeJsonValue$1(customJson)) {
  	          t1 = A.JsonUnsupportedObjectError$(object, null, _this.get$_partialResult());
  	          throw A.wrapException(t1);
  	        }
  	        _this._seen.pop();
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        t1 = A.JsonUnsupportedObjectError$(object, e, _this.get$_partialResult());
  	        throw A.wrapException(t1);
  	      }
  	    },
  	    writeJsonValue$1(object) {
  	      var success, _this = this;
  	      if (typeof object == "number") {
  	        if (!isFinite(object))
  	          return false;
  	        _this.writeNumber$1(object);
  	        return true;
  	      } else if (object === true) {
  	        _this.writeString$1("true");
  	        return true;
  	      } else if (object === false) {
  	        _this.writeString$1("false");
  	        return true;
  	      } else if (object == null) {
  	        _this.writeString$1("null");
  	        return true;
  	      } else if (typeof object == "string") {
  	        _this.writeString$1('"');
  	        _this.writeStringContent$1(object);
  	        _this.writeString$1('"');
  	        return true;
  	      } else if (type$.List_dynamic._is(object)) {
  	        _this._checkCycle$1(object);
  	        _this.writeList$1(object);
  	        _this._seen.pop();
  	        return true;
  	      } else if (type$.Map_dynamic_dynamic._is(object)) {
  	        _this._checkCycle$1(object);
  	        success = _this.writeMap$1(object);
  	        _this._seen.pop();
  	        return success;
  	      } else
  	        return false;
  	    },
  	    writeList$1(list) {
  	      var t1, i, _this = this;
  	      _this.writeString$1("[");
  	      t1 = J.getInterceptor$asx(list);
  	      if (t1.get$isNotEmpty(list)) {
  	        _this.writeObject$1(t1.$index(list, 0));
  	        for (i = 1; i < t1.get$length(list); ++i) {
  	          _this.writeString$1(",");
  	          _this.writeObject$1(t1.$index(list, i));
  	        }
  	      }
  	      _this.writeString$1("]");
  	    },
  	    writeMap$1(map) {
  	      var t1, keyValueList, i, separator, _this = this, _box_0 = {};
  	      if (map.get$isEmpty(map)) {
  	        _this.writeString$1("{}");
  	        return true;
  	      }
  	      t1 = map.get$length(map) * 2;
  	      keyValueList = A.List_List$filled(t1, null, false, type$.nullable_Object);
  	      i = _box_0.i = 0;
  	      _box_0.allStringKeys = true;
  	      map.forEach$1(0, new A._JsonStringifier_writeMap_closure(_box_0, keyValueList));
  	      if (!_box_0.allStringKeys)
  	        return false;
  	      _this.writeString$1("{");
  	      for (separator = '"'; i < t1; i += 2, separator = ',"') {
  	        _this.writeString$1(separator);
  	        _this.writeStringContent$1(A._asString(keyValueList[i]));
  	        _this.writeString$1('":');
  	        _this.writeObject$1(keyValueList[i + 1]);
  	      }
  	      _this.writeString$1("}");
  	      return true;
  	    }
  	  };
  	  A._JsonStringifier_writeMap_closure.prototype = {
  	    call$2(key, value) {
  	      var t1, t2, t3, i;
  	      if (typeof key != "string")
  	        this._box_0.allStringKeys = false;
  	      t1 = this.keyValueList;
  	      t2 = this._box_0;
  	      t3 = t2.i;
  	      i = t2.i = t3 + 1;
  	      t1[t3] = key;
  	      t2.i = i + 1;
  	      t1[i] = value;
  	    },
  	    $signature: 162
  	  };
  	  A._JsonStringStringifier.prototype = {
  	    get$_partialResult() {
  	      var t1 = this._sink._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    writeNumber$1(number) {
  	      this._sink._contents += B.JSNumber_methods.toString$0(number);
  	    },
  	    writeString$1(string) {
  	      this._sink._contents += string;
  	    },
  	    writeStringSlice$3(string, start, end) {
  	      this._sink._contents += B.JSString_methods.substring$2(string, start, end);
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = this._sink,
  	        t2 = A.Primitives_stringFromCharCode(charCode);
  	      t1._contents += t2;
  	    }
  	  };
  	  A.StringConversionSink.prototype = {};
  	  A._StringSinkConversionSink.prototype = {
  	    close$0(_) {
  	    }
  	  };
  	  A._StringCallbackSink.prototype = {
  	    close$0(_) {
  	      var t1 = this._stringSink,
  	        t2 = t1._contents;
  	      t1._contents = "";
  	      this._convert$_callback.call$1(t2.charCodeAt(0) == 0 ? t2 : t2);
  	    },
  	    asUtf8Sink$1(allowMalformed) {
  	      return new A._Utf8StringSinkAdapter(new A._Utf8Decoder(allowMalformed), this, this._stringSink);
  	    }
  	  };
  	  A._Utf8StringSinkAdapter.prototype = {
  	    close$0(_) {
  	      this._decoder.flush$1(this._stringSink);
  	      this._sink.close$0(0);
  	    },
  	    add$1(_, chunk) {
  	      this.addSlice$4(chunk, 0, J.get$length$asx(chunk), false);
  	    },
  	    addSlice$4(codeUnits, startIndex, endIndex, isLast) {
  	      var t1 = this._stringSink,
  	        t2 = this._decoder._convertGeneral$4(codeUnits, startIndex, endIndex, false);
  	      t1._contents += t2;
  	      if (isLast)
  	        this.close$0(0);
  	    }
  	  };
  	  A.Utf8Codec.prototype = {
  	    encode$1(string) {
  	      return B.C_Utf8Encoder.convert$1(string);
  	    }
  	  };
  	  A.Utf8Encoder.prototype = {
  	    convert$1(string) {
  	      var t1, encoder,
  	        end = A.RangeError_checkValidRange(0, null, string.length);
  	      if (end === 0)
  	        return new Uint8Array(0);
  	      t1 = new Uint8Array(end * 3);
  	      encoder = new A._Utf8Encoder(t1);
  	      if (encoder._fillBuffer$3(string, 0, end) !== end)
  	        encoder._writeReplacementCharacter$0();
  	      return B.NativeUint8List_methods.sublist$2(t1, 0, encoder._bufferIndex);
  	    }
  	  };
  	  A._Utf8Encoder.prototype = {
  	    _writeReplacementCharacter$0() {
  	      var _this = this,
  	        t1 = _this._buffer,
  	        t2 = _this._bufferIndex,
  	        t3 = _this._bufferIndex = t2 + 1;
  	      t1.$flags & 2 && A.throwUnsupportedOperation(t1);
  	      t1[t2] = 239;
  	      t2 = _this._bufferIndex = t3 + 1;
  	      t1[t3] = 191;
  	      _this._bufferIndex = t2 + 1;
  	      t1[t2] = 189;
  	    },
  	    _writeSurrogate$2(leadingSurrogate, nextCodeUnit) {
  	      var rune, t1, t2, t3, _this = this;
  	      if ((nextCodeUnit & 64512) === 56320) {
  	        rune = 65536 + ((leadingSurrogate & 1023) << 10) | nextCodeUnit & 1023;
  	        t1 = _this._buffer;
  	        t2 = _this._bufferIndex;
  	        t3 = _this._bufferIndex = t2 + 1;
  	        t1.$flags & 2 && A.throwUnsupportedOperation(t1);
  	        t1[t2] = rune >>> 18 | 240;
  	        t2 = _this._bufferIndex = t3 + 1;
  	        t1[t3] = rune >>> 12 & 63 | 128;
  	        t3 = _this._bufferIndex = t2 + 1;
  	        t1[t2] = rune >>> 6 & 63 | 128;
  	        _this._bufferIndex = t3 + 1;
  	        t1[t3] = rune & 63 | 128;
  	        return true;
  	      } else {
  	        _this._writeReplacementCharacter$0();
  	        return false;
  	      }
  	    },
  	    _fillBuffer$3(str, start, end) {
  	      var t1, t2, t3, stringIndex, codeUnit, t4, stringIndex0, t5, _this = this;
  	      if (start !== end && (str.charCodeAt(end - 1) & 64512) === 55296)
  	        --end;
  	      for (t1 = _this._buffer, t2 = t1.$flags | 0, t3 = t1.length, stringIndex = start; stringIndex < end; ++stringIndex) {
  	        codeUnit = str.charCodeAt(stringIndex);
  	        if (codeUnit <= 127) {
  	          t4 = _this._bufferIndex;
  	          if (t4 >= t3)
  	            break;
  	          _this._bufferIndex = t4 + 1;
  	          t2 & 2 && A.throwUnsupportedOperation(t1);
  	          t1[t4] = codeUnit;
  	        } else {
  	          t4 = codeUnit & 64512;
  	          if (t4 === 55296) {
  	            if (_this._bufferIndex + 4 > t3)
  	              break;
  	            stringIndex0 = stringIndex + 1;
  	            if (_this._writeSurrogate$2(codeUnit, str.charCodeAt(stringIndex0)))
  	              stringIndex = stringIndex0;
  	          } else if (t4 === 56320) {
  	            if (_this._bufferIndex + 3 > t3)
  	              break;
  	            _this._writeReplacementCharacter$0();
  	          } else if (codeUnit <= 2047) {
  	            t4 = _this._bufferIndex;
  	            t5 = t4 + 1;
  	            if (t5 >= t3)
  	              break;
  	            _this._bufferIndex = t5;
  	            t2 & 2 && A.throwUnsupportedOperation(t1);
  	            t1[t4] = codeUnit >>> 6 | 192;
  	            _this._bufferIndex = t5 + 1;
  	            t1[t5] = codeUnit & 63 | 128;
  	          } else {
  	            t4 = _this._bufferIndex;
  	            if (t4 + 2 >= t3)
  	              break;
  	            t5 = _this._bufferIndex = t4 + 1;
  	            t2 & 2 && A.throwUnsupportedOperation(t1);
  	            t1[t4] = codeUnit >>> 12 | 224;
  	            t4 = _this._bufferIndex = t5 + 1;
  	            t1[t5] = codeUnit >>> 6 & 63 | 128;
  	            _this._bufferIndex = t4 + 1;
  	            t1[t4] = codeUnit & 63 | 128;
  	          }
  	        }
  	      }
  	      return stringIndex;
  	    }
  	  };
  	  A.Utf8Decoder.prototype = {
  	    convert$1(codeUnits) {
  	      return new A._Utf8Decoder(this._allowMalformed)._convertGeneral$4(codeUnits, 0, null, true);
  	    }
  	  };
  	  A._Utf8Decoder.prototype = {
  	    _convertGeneral$4(codeUnits, start, maybeEnd, single) {
  	      var casted, bytes, errorOffset, t1, result, message, _this = this,
  	        end = A.RangeError_checkValidRange(start, maybeEnd, J.get$length$asx(codeUnits));
  	      if (start === end)
  	        return "";
  	      if (codeUnits instanceof Uint8Array) {
  	        casted = codeUnits;
  	        bytes = casted;
  	        errorOffset = 0;
  	      } else {
  	        bytes = A._Utf8Decoder__makeNativeUint8List(codeUnits, start, end);
  	        end -= start;
  	        errorOffset = start;
  	        start = 0;
  	      }
  	      if (single && end - start >= 15) {
  	        t1 = _this.allowMalformed;
  	        result = A._Utf8Decoder__convertInterceptedUint8List(t1, bytes, start, end);
  	        if (result != null) {
  	          if (!t1)
  	            return result;
  	          if (result.indexOf("\ufffd") < 0)
  	            return result;
  	        }
  	      }
  	      result = _this._decodeRecursive$4(bytes, start, end, single);
  	      t1 = _this._convert$_state;
  	      if ((t1 & 1) !== 0) {
  	        message = A._Utf8Decoder_errorDescription(t1);
  	        _this._convert$_state = 0;
  	        throw A.wrapException(A.FormatException$(message, codeUnits, errorOffset + _this._charOrIndex));
  	      }
  	      return result;
  	    },
  	    _decodeRecursive$4(bytes, start, end, single) {
  	      var mid, s1, _this = this;
  	      if (end - start > 1000) {
  	        mid = B.JSInt_methods._tdivFast$1(start + end, 2);
  	        s1 = _this._decodeRecursive$4(bytes, start, mid, false);
  	        if ((_this._convert$_state & 1) !== 0)
  	          return s1;
  	        return s1 + _this._decodeRecursive$4(bytes, mid, end, single);
  	      }
  	      return _this.decodeGeneral$4(bytes, start, end, single);
  	    },
  	    flush$1(sink) {
  	      var t1,
  	        state = this._convert$_state;
  	      this._convert$_state = 0;
  	      if (state <= 32)
  	        return;
  	      if (this.allowMalformed) {
  	        t1 = A.Primitives_stringFromCharCode(65533);
  	        sink._contents += t1;
  	      } else
  	        throw A.wrapException(A.FormatException$(A._Utf8Decoder_errorDescription(77), null, null));
  	    },
  	    decodeGeneral$4(bytes, start, end, single) {
  	      var t1, type, t2, i0, markEnd, i1, m, _this = this, _65533 = 65533,
  	        state = _this._convert$_state,
  	        char = _this._charOrIndex,
  	        buffer = new A.StringBuffer(""),
  	        i = start + 1,
  	        byte = bytes[start];
  	      $label0$0:
  	        for (t1 = _this.allowMalformed;;) {
  	          for (;; i = i0) {
  	            type = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFFFFFFFFFFFFFFFFGGGGGGGGGGGGGGGGHHHHHHHHHHHHHHHHHHHHHHHHHHHIHHHJEEBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBKCCCCCCCCCCCCDCLONNNMEEEEEEEEEEE".charCodeAt(byte) & 31;
  	            char = state <= 32 ? byte & 61694 >>> type : (byte & 63 | char << 6) >>> 0;
  	            state = " \x000:XECCCCCN:lDb \x000:XECCCCCNvlDb \x000:XECCCCCN:lDb AAAAA\x00\x00\x00\x00\x00AAAAA00000AAAAA:::::AAAAAGG000AAAAA00KKKAAAAAG::::AAAAA:IIIIAAAAA000\x800AAAAA\x00\x00\x00\x00 AAAAA".charCodeAt(state + type);
  	            if (state === 0) {
  	              t2 = A.Primitives_stringFromCharCode(char);
  	              buffer._contents += t2;
  	              if (i === end)
  	                break $label0$0;
  	              break;
  	            } else if ((state & 1) !== 0) {
  	              if (t1)
  	                switch (state) {
  	                  case 69:
  	                  case 67:
  	                    t2 = A.Primitives_stringFromCharCode(_65533);
  	                    buffer._contents += t2;
  	                    break;
  	                  case 65:
  	                    t2 = A.Primitives_stringFromCharCode(_65533);
  	                    buffer._contents += t2;
  	                    --i;
  	                    break;
  	                  default:
  	                    t2 = A.Primitives_stringFromCharCode(_65533);
  	                    buffer._contents = (buffer._contents += t2) + t2;
  	                    break;
  	                }
  	              else {
  	                _this._convert$_state = state;
  	                _this._charOrIndex = i - 1;
  	                return "";
  	              }
  	              state = 0;
  	            }
  	            if (i === end)
  	              break $label0$0;
  	            i0 = i + 1;
  	            byte = bytes[i];
  	          }
  	          i0 = i + 1;
  	          byte = bytes[i];
  	          if (byte < 128) {
  	            for (;;) {
  	              if (!(i0 < end)) {
  	                markEnd = end;
  	                break;
  	              }
  	              i1 = i0 + 1;
  	              byte = bytes[i0];
  	              if (byte >= 128) {
  	                markEnd = i1 - 1;
  	                i0 = i1;
  	                break;
  	              }
  	              i0 = i1;
  	            }
  	            if (markEnd - i < 20)
  	              for (m = i; m < markEnd; ++m) {
  	                t2 = A.Primitives_stringFromCharCode(bytes[m]);
  	                buffer._contents += t2;
  	              }
  	            else {
  	              t2 = A.String_String$fromCharCodes(bytes, i, markEnd);
  	              buffer._contents += t2;
  	            }
  	            if (markEnd === end)
  	              break $label0$0;
  	            i = i0;
  	          } else
  	            i = i0;
  	        }
  	      if (single && state > 32)
  	        if (t1) {
  	          t1 = A.Primitives_stringFromCharCode(_65533);
  	          buffer._contents += t1;
  	        } else {
  	          _this._convert$_state = 77;
  	          _this._charOrIndex = end;
  	          return "";
  	        }
  	      _this._convert$_state = state;
  	      _this._charOrIndex = char;
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.NoSuchMethodError_toString_closure.prototype = {
  	    call$2(key, value) {
  	      var t1 = this.sb,
  	        t2 = this._box_0,
  	        t3 = (t1._contents += t2.comma) + key.__internal$_name;
  	      t1._contents = t3;
  	      t1._contents = t3 + ": ";
  	      t3 = A.Error_safeToString(value);
  	      t1._contents += t3;
  	      t2.comma = ", ";
  	    },
  	    $signature: 373
  	  };
  	  A.DateTime.prototype = {
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      t1 = false;
  	      if (other instanceof A.DateTime)
  	        if (this._value === other._value)
  	          t1 = this._microsecond === other._microsecond;
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this._value, this._microsecond, B.C_SentinelValue, B.C_SentinelValue);
  	    },
  	    isAfter$1(other) {
  	      var t1 = this._value,
  	        t2 = other._value;
  	      if (t1 <= t2)
  	        t1 = t1 === t2 && this._microsecond > other._microsecond;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    compareTo$1(_, other) {
  	      var r = B.JSInt_methods.compareTo$1(this._value, other._value);
  	      if (r !== 0)
  	        return r;
  	      return B.JSInt_methods.compareTo$1(this._microsecond, other._microsecond);
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        y = A.DateTime__fourDigits(A.Primitives_getYear(_this)),
  	        m = A.DateTime__twoDigits(A.Primitives_getMonth(_this)),
  	        d = A.DateTime__twoDigits(A.Primitives_getDay(_this)),
  	        h = A.DateTime__twoDigits(A.Primitives_getHours(_this)),
  	        min = A.DateTime__twoDigits(A.Primitives_getMinutes(_this)),
  	        sec = A.DateTime__twoDigits(A.Primitives_getSeconds(_this)),
  	        ms = A.DateTime__threeDigits(A.Primitives_getMilliseconds(_this)),
  	        t1 = _this._microsecond,
  	        us = t1 === 0 ? "" : A.DateTime__threeDigits(t1);
  	      return y + "-" + m + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + us;
  	    },
  	    $isComparable: 1
  	  };
  	  A.Duration.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.Duration && this._duration === other._duration;
  	    },
  	    get$hashCode(_) {
  	      return B.JSInt_methods.get$hashCode(this._duration);
  	    },
  	    compareTo$1(_, other) {
  	      return B.JSInt_methods.compareTo$1(this._duration, other._duration);
  	    },
  	    toString$0(_) {
  	      var sign, minutes, minutesPadding, seconds, secondsPadding,
  	        microseconds = this._duration,
  	        hours = B.JSInt_methods._tdivFast$1(microseconds, 3600000000),
  	        microseconds0 = microseconds % 3600000000;
  	      if (microseconds < 0) {
  	        hours = 0 - hours;
  	        microseconds = 0 - microseconds0;
  	        sign = "-";
  	      } else {
  	        microseconds = microseconds0;
  	        sign = "";
  	      }
  	      minutes = B.JSInt_methods._tdivFast$1(microseconds, 60000000);
  	      microseconds %= 60000000;
  	      minutesPadding = minutes < 10 ? "0" : "";
  	      seconds = B.JSInt_methods._tdivFast$1(microseconds, 1000000);
  	      secondsPadding = seconds < 10 ? "0" : "";
  	      return sign + hours + ":" + minutesPadding + minutes + ":" + secondsPadding + seconds + "." + B.JSString_methods.padLeft$2(B.JSInt_methods.toString$0(microseconds % 1000000), 6, "0");
  	    },
  	    $isComparable: 1
  	  };
  	  A._Enum.prototype = {
  	    toString$0(_) {
  	      return this._enumToString$0();
  	    }
  	  };
  	  A.Error.prototype = {
  	    get$stackTrace() {
  	      return A.Primitives_extractStackTrace(this);
  	    }
  	  };
  	  A.AssertionError.prototype = {
  	    toString$0(_) {
  	      var t1 = this.message;
  	      if (t1 != null)
  	        return "Assertion failed: " + A.Error_safeToString(t1);
  	      return "Assertion failed";
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.TypeError.prototype = {};
  	  A.ArgumentError.prototype = {
  	    get$_errorName() {
  	      return "Invalid argument" + (!this._hasValue ? "(s)" : "");
  	    },
  	    get$_errorExplanation() {
  	      return "";
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        $name = _this.name,
  	        nameString = $name == null ? "" : " (" + $name + ")",
  	        message = _this.message,
  	        messageString = message == null ? "" : ": " + A.S(message),
  	        prefix = _this.get$_errorName() + nameString + messageString;
  	      if (!_this._hasValue)
  	        return prefix;
  	      return prefix + _this.get$_errorExplanation() + ": " + A.Error_safeToString(_this.get$invalidValue());
  	    },
  	    get$invalidValue() {
  	      return this.invalidValue;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.RangeError.prototype = {
  	    get$invalidValue() {
  	      return this.invalidValue;
  	    },
  	    get$_errorName() {
  	      return "RangeError";
  	    },
  	    get$_errorExplanation() {
  	      var explanation,
  	        start = this.start,
  	        end = this.end;
  	      if (start == null)
  	        explanation = end != null ? ": Not less than or equal to " + A.S(end) : "";
  	      else if (end == null)
  	        explanation = ": Not greater than or equal to " + A.S(start);
  	      else if (end > start)
  	        explanation = ": Not in inclusive range " + A.S(start) + ".." + A.S(end);
  	      else
  	        explanation = end < start ? ": Valid value range is empty" : ": Only valid value is " + A.S(start);
  	      return explanation;
  	    }
  	  };
  	  A.IndexError.prototype = {
  	    get$invalidValue() {
  	      return this.invalidValue;
  	    },
  	    get$_errorName() {
  	      return "RangeError";
  	    },
  	    get$_errorExplanation() {
  	      if (this.invalidValue < 0)
  	        return ": index must not be negative";
  	      var t1 = this.length;
  	      if (t1 === 0)
  	        return ": no indices are valid";
  	      return ": index should be less than " + t1;
  	    },
  	    $isRangeError: 1,
  	    get$length(receiver) {
  	      return this.length;
  	    }
  	  };
  	  A.NoSuchMethodError.prototype = {
  	    toString$0(_) {
  	      var $arguments, t1, _i, t2, t3, argument, receiverText, actualParameters, _this = this, _box_0 = {},
  	        sb = new A.StringBuffer("");
  	      _box_0.comma = "";
  	      $arguments = _this._core$_arguments;
  	      for (t1 = $arguments.length, _i = 0, t2 = "", t3 = ""; _i < t1; ++_i, t3 = ", ") {
  	        argument = $arguments[_i];
  	        sb._contents = t2 + t3;
  	        t2 = A.Error_safeToString(argument);
  	        t2 = sb._contents += t2;
  	        _box_0.comma = ", ";
  	      }
  	      _this._namedArguments.forEach$1(0, new A.NoSuchMethodError_toString_closure(_box_0, sb));
  	      receiverText = A.Error_safeToString(_this._core$_receiver);
  	      actualParameters = sb.toString$0(0);
  	      return "NoSuchMethodError: method not found: '" + _this._memberName.__internal$_name + "'\nReceiver: " + receiverText + "\nArguments: [" + actualParameters + "]";
  	    }
  	  };
  	  A.UnsupportedError.prototype = {
  	    toString$0(_) {
  	      return "Unsupported operation: " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.UnimplementedError.prototype = {
  	    toString$0(_) {
  	      return "UnimplementedError: " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.StateError.prototype = {
  	    toString$0(_) {
  	      return "Bad state: " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.ConcurrentModificationError.prototype = {
  	    toString$0(_) {
  	      var t1 = this.modifiedObject;
  	      if (t1 == null)
  	        return "Concurrent modification during iteration.";
  	      return "Concurrent modification during iteration: " + A.Error_safeToString(t1) + ".";
  	    }
  	  };
  	  A.OutOfMemoryError.prototype = {
  	    toString$0(_) {
  	      return "Out of Memory";
  	    },
  	    get$stackTrace() {
  	      return null;
  	    },
  	    $isError: 1
  	  };
  	  A.StackOverflowError.prototype = {
  	    toString$0(_) {
  	      return "Stack Overflow";
  	    },
  	    get$stackTrace() {
  	      return null;
  	    },
  	    $isError: 1
  	  };
  	  A._Exception.prototype = {
  	    toString$0(_) {
  	      return "Exception: " + this.message;
  	    },
  	    $isException: 1,
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.FormatException.prototype = {
  	    toString$0(_) {
  	      var t1, lineNum, lineStart, previousCharWasCR, i, char, lineEnd, prefix, postfix, end, start,
  	        message = this.message,
  	        report = "" !== message ? "FormatException: " + message : "FormatException",
  	        offset = this.offset,
  	        source = this.source;
  	      if (typeof source == "string") {
  	        if (offset != null)
  	          t1 = offset < 0 || offset > source.length;
  	        else
  	          t1 = false;
  	        if (t1)
  	          offset = null;
  	        if (offset == null) {
  	          if (source.length > 78)
  	            source = B.JSString_methods.substring$2(source, 0, 75) + "...";
  	          return report + "\n" + source;
  	        }
  	        for (lineNum = 1, lineStart = 0, previousCharWasCR = false, i = 0; i < offset; ++i) {
  	          char = source.charCodeAt(i);
  	          if (char === 10) {
  	            if (lineStart !== i || !previousCharWasCR)
  	              ++lineNum;
  	            lineStart = i + 1;
  	            previousCharWasCR = false;
  	          } else if (char === 13) {
  	            ++lineNum;
  	            lineStart = i + 1;
  	            previousCharWasCR = true;
  	          }
  	        }
  	        report = lineNum > 1 ? report + (" (at line " + lineNum + ", character " + (offset - lineStart + 1) + ")\n") : report + (" (at character " + (offset + 1) + ")\n");
  	        lineEnd = source.length;
  	        for (i = offset; i < lineEnd; ++i) {
  	          char = source.charCodeAt(i);
  	          if (char === 10 || char === 13) {
  	            lineEnd = i;
  	            break;
  	          }
  	        }
  	        prefix = "";
  	        if (lineEnd - lineStart > 78) {
  	          postfix = "...";
  	          if (offset - lineStart < 75) {
  	            end = lineStart + 75;
  	            start = lineStart;
  	          } else {
  	            if (lineEnd - offset < 75) {
  	              start = lineEnd - 75;
  	              end = lineEnd;
  	              postfix = "";
  	            } else {
  	              start = offset - 36;
  	              end = offset + 36;
  	            }
  	            prefix = "...";
  	          }
  	        } else {
  	          end = lineEnd;
  	          start = lineStart;
  	          postfix = "";
  	        }
  	        return report + prefix + B.JSString_methods.substring$2(source, start, end) + postfix + "\n" + B.JSString_methods.$mul(" ", offset - start + prefix.length) + "^\n";
  	      } else
  	        return offset != null ? report + (" (at offset " + A.S(offset) + ")") : report;
  	    },
  	    $isException: 1,
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.Iterable.prototype = {
  	    cast$1$0(_, $R) {
  	      return A.CastIterable_CastIterable(this, A._instanceType(this)._eval$1("Iterable.E"), $R);
  	    },
  	    followedBy$1(_, other) {
  	      var _this = this;
  	      if (type$.EfficientLengthIterable_dynamic._is(_this))
  	        return A.FollowedByIterable_FollowedByIterable$firstEfficient(_this, other, A._instanceType(_this)._eval$1("Iterable.E"));
  	      return new A.FollowedByIterable(_this, other, A._instanceType(_this)._eval$1("FollowedByIterable<Iterable.E>"));
  	    },
  	    map$1$1(_, toElement, $T) {
  	      return A.MappedIterable_MappedIterable(this, toElement, A._instanceType(this)._eval$1("Iterable.E"), $T);
  	    },
  	    where$1(_, test) {
  	      return new A.WhereIterable(this, test, A._instanceType(this)._eval$1("WhereIterable<Iterable.E>"));
  	    },
  	    expand$1$1(_, toElements, $T) {
  	      return new A.ExpandIterable(this, toElements, A._instanceType(this)._eval$1("@<Iterable.E>")._bind$1($T)._eval$1("ExpandIterable<1,2>"));
  	    },
  	    contains$1(_, element) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        if (J.$eq$(t1.get$current(t1), element))
  	          return true;
  	      return false;
  	    },
  	    forEach$1(_, action) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        action.call$1(t1.get$current(t1));
  	    },
  	    fold$1$2(_, initialValue, combine) {
  	      var t1, value;
  	      for (t1 = this.get$iterator(this), value = initialValue; t1.moveNext$0();)
  	        value = combine.call$2(value, t1.get$current(t1));
  	      return value;
  	    },
  	    fold$2(_, initialValue, combine) {
  	      return this.fold$1$2(0, initialValue, combine, type$.dynamic);
  	    },
  	    every$1(_, test) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        if (!test.call$1(t1.get$current(t1)))
  	          return false;
  	      return true;
  	    },
  	    join$1(_, separator) {
  	      var first, t1,
  	        iterator = this.get$iterator(this);
  	      if (!iterator.moveNext$0())
  	        return "";
  	      first = J.toString$0$(iterator.get$current(iterator));
  	      if (!iterator.moveNext$0())
  	        return first;
  	      if (separator.length === 0) {
  	        t1 = first;
  	        do
  	          t1 += A.S(J.toString$0$(iterator.get$current(iterator)));
  	        while (iterator.moveNext$0());
  	      } else {
  	        t1 = first;
  	        do
  	          t1 = t1 + separator + A.S(J.toString$0$(iterator.get$current(iterator)));
  	        while (iterator.moveNext$0());
  	      }
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    any$1(_, test) {
  	      var t1;
  	      for (t1 = this.get$iterator(this); t1.moveNext$0();)
  	        if (test.call$1(t1.get$current(t1)))
  	          return true;
  	      return false;
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1 = A._instanceType(this)._eval$1("Iterable.E");
  	      if (growable)
  	        t1 = A.List_List$_of(this, t1);
  	      else {
  	        t1 = A.List_List$_of(this, t1);
  	        t1.$flags = 1;
  	        t1 = t1;
  	      }
  	      return t1;
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    toSet$0(_) {
  	      return A.LinkedHashSet_LinkedHashSet$of(this, A._instanceType(this)._eval$1("Iterable.E"));
  	    },
  	    get$length(_) {
  	      var count,
  	        it = this.get$iterator(this);
  	      for (count = 0; it.moveNext$0();)
  	        ++count;
  	      return count;
  	    },
  	    get$isEmpty(_) {
  	      return !this.get$iterator(this).moveNext$0();
  	    },
  	    get$isNotEmpty(_) {
  	      return !this.get$isEmpty(this);
  	    },
  	    take$1(_, count) {
  	      return A.TakeIterable_TakeIterable(this, count, A._instanceType(this)._eval$1("Iterable.E"));
  	    },
  	    skip$1(_, count) {
  	      return A.SkipIterable_SkipIterable(this, count, A._instanceType(this)._eval$1("Iterable.E"));
  	    },
  	    skipWhile$1(_, test) {
  	      return new A.SkipWhileIterable(this, test, A._instanceType(this)._eval$1("SkipWhileIterable<Iterable.E>"));
  	    },
  	    get$first(_) {
  	      var it = this.get$iterator(this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      return it.get$current(it);
  	    },
  	    get$last(_) {
  	      var result,
  	        it = this.get$iterator(this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      do
  	        result = it.get$current(it);
  	      while (it.moveNext$0());
  	      return result;
  	    },
  	    get$single(_) {
  	      var result,
  	        it = this.get$iterator(this);
  	      if (!it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_noElement());
  	      result = it.get$current(it);
  	      if (it.moveNext$0())
  	        throw A.wrapException(A.IterableElementError_tooMany());
  	      return result;
  	    },
  	    elementAt$1(_, index) {
  	      var iterator, skipCount;
  	      A.RangeError_checkNotNegative(index, "index");
  	      iterator = this.get$iterator(this);
  	      for (skipCount = index; iterator.moveNext$0();) {
  	        if (skipCount === 0)
  	          return iterator.get$current(iterator);
  	        --skipCount;
  	      }
  	      throw A.wrapException(A.IndexError$withLength(index, index - skipCount, this, null, "index"));
  	    },
  	    toString$0(_) {
  	      return A.Iterable_iterableToShortString(this, "(", ")");
  	    }
  	  };
  	  A._GeneratorIterable.prototype = {
  	    elementAt$1(_, index) {
  	      A.IndexError_check(index, this.length, this, null, null);
  	      return this._generator.call$1(index);
  	    },
  	    get$length(receiver) {
  	      return this.length;
  	    }
  	  };
  	  A.MapEntry.prototype = {
  	    toString$0(_) {
  	      return "MapEntry(" + A.S(this.key) + ": " + A.S(this.value) + ")";
  	    }
  	  };
  	  A.Null.prototype = {
  	    get$hashCode(_) {
  	      return A.Object.prototype.get$hashCode.call(this, 0);
  	    },
  	    toString$0(_) {
  	      return "null";
  	    }
  	  };
  	  A.Object.prototype = {$isObject: 1,
  	    $eq(_, other) {
  	      return this === other;
  	    },
  	    get$hashCode(_) {
  	      return A.Primitives_objectHashCode(this);
  	    },
  	    toString$0(_) {
  	      return "Instance of '" + A.Primitives_objectTypeName(this) + "'";
  	    },
  	    noSuchMethod$1(_, invocation) {
  	      throw A.wrapException(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, invocation));
  	    },
  	    get$runtimeType(_) {
  	      return A.getRuntimeTypeOfDartObject(this);
  	    },
  	    toString() {
  	      return this.toString$0(this);
  	    }
  	  };
  	  A._StringStackTrace.prototype = {
  	    toString$0(_) {
  	      return this._stackTrace;
  	    },
  	    $isStackTrace: 1
  	  };
  	  A.Runes.prototype = {
  	    get$iterator(_) {
  	      return new A.RuneIterator(this.string);
  	    },
  	    get$last(_) {
  	      var code, previousCode,
  	        t1 = this.string,
  	        t2 = t1.length;
  	      if (t2 === 0)
  	        throw A.wrapException(A.StateError$("No elements."));
  	      code = t1.charCodeAt(t2 - 1);
  	      if ((code & 64512) === 56320 && t2 > 1) {
  	        previousCode = t1.charCodeAt(t2 - 2);
  	        if ((previousCode & 64512) === 55296)
  	          return A._combineSurrogatePair(previousCode, code);
  	      }
  	      return code;
  	    }
  	  };
  	  A.RuneIterator.prototype = {
  	    get$current(_) {
  	      return this._currentCodePoint;
  	    },
  	    moveNext$0() {
  	      var codeUnit, nextPosition, nextCodeUnit, _this = this,
  	        t1 = _this._position = _this._nextPosition,
  	        t2 = _this.string,
  	        t3 = t2.length;
  	      if (t1 === t3) {
  	        _this._currentCodePoint = -1;
  	        return false;
  	      }
  	      codeUnit = t2.charCodeAt(t1);
  	      nextPosition = t1 + 1;
  	      if ((codeUnit & 64512) === 55296 && nextPosition < t3) {
  	        nextCodeUnit = t2.charCodeAt(nextPosition);
  	        if ((nextCodeUnit & 64512) === 56320) {
  	          _this._nextPosition = nextPosition + 1;
  	          _this._currentCodePoint = A._combineSurrogatePair(codeUnit, nextCodeUnit);
  	          return true;
  	        }
  	      }
  	      _this._nextPosition = nextPosition;
  	      _this._currentCodePoint = codeUnit;
  	      return true;
  	    }
  	  };
  	  A.StringBuffer.prototype = {
  	    get$length(_) {
  	      return this._contents.length;
  	    },
  	    write$1(_, obj) {
  	      var t1 = A.S(obj);
  	      this._contents += t1;
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = A.Primitives_stringFromCharCode(charCode);
  	      this._contents += t1;
  	    },
  	    toString$0(_) {
  	      var t1 = this._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.Uri_parseIPv6Address_error.prototype = {
  	    call$2(msg, position) {
  	      throw A.wrapException(A.FormatException$("Illegal IPv6 address, " + msg, this.host, position));
  	    },
  	    $signature: 465
  	  };
  	  A._Uri.prototype = {
  	    get$_text() {
  	      var t1, t2, t3, t4, _this = this,
  	        value = _this.___Uri__text_FI;
  	      if (value === $) {
  	        t1 = _this.scheme;
  	        t2 = t1.length !== 0 ? t1 + ":" : "";
  	        t3 = _this._host;
  	        t4 = t3 == null;
  	        if (!t4 || t1 === "file") {
  	          t1 = t2 + "//";
  	          t2 = _this._userInfo;
  	          if (t2.length !== 0)
  	            t1 = t1 + t2 + "@";
  	          if (!t4)
  	            t1 += t3;
  	          t2 = _this._port;
  	          if (t2 != null)
  	            t1 = t1 + ":" + A.S(t2);
  	        } else
  	          t1 = t2;
  	        t1 += _this.path;
  	        t2 = _this._query;
  	        if (t2 != null)
  	          t1 = t1 + "?" + t2;
  	        t2 = _this._fragment;
  	        if (t2 != null)
  	          t1 = t1 + "#" + t2;
  	        value = _this.___Uri__text_FI = t1.charCodeAt(0) == 0 ? t1 : t1;
  	      }
  	      return value;
  	    },
  	    get$pathSegments() {
  	      var pathToSplit, result, _this = this,
  	        value = _this.___Uri_pathSegments_FI;
  	      if (value === $) {
  	        pathToSplit = _this.path;
  	        if (pathToSplit.length !== 0 && pathToSplit.charCodeAt(0) === 47)
  	          pathToSplit = B.JSString_methods.substring$1(pathToSplit, 1);
  	        result = pathToSplit.length === 0 ? B.List_empty : A.List_List$unmodifiable(new A.MappedListIterable(A._setArrayType(pathToSplit.split("/"), type$.JSArray_String), A.core_Uri_decodeComponent$closure(), type$.MappedListIterable_String_dynamic), type$.String);
  	        _this.___Uri_pathSegments_FI !== $ && A.throwUnnamedLateFieldADI();
  	        value = _this.___Uri_pathSegments_FI = result;
  	      }
  	      return value;
  	    },
  	    get$hashCode(_) {
  	      var result, _this = this,
  	        value = _this.___Uri_hashCode_FI;
  	      if (value === $) {
  	        result = B.JSString_methods.get$hashCode(_this.get$_text());
  	        _this.___Uri_hashCode_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.___Uri_hashCode_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$userInfo() {
  	      return this._userInfo;
  	    },
  	    get$host() {
  	      var host = this._host;
  	      if (host == null)
  	        return "";
  	      if (B.JSString_methods.startsWith$1(host, "[") && !B.JSString_methods.startsWith$2(host, "v", 1))
  	        return B.JSString_methods.substring$2(host, 1, host.length - 1);
  	      return host;
  	    },
  	    get$port(_) {
  	      var t1 = this._port;
  	      return t1 == null ? A._Uri__defaultPort(this.scheme) : t1;
  	    },
  	    get$query() {
  	      var t1 = this._query;
  	      return t1 == null ? "" : t1;
  	    },
  	    get$fragment() {
  	      var t1 = this._fragment;
  	      return t1 == null ? "" : t1;
  	    },
  	    isScheme$1(scheme) {
  	      var thisScheme = this.scheme;
  	      if (scheme.length !== thisScheme.length)
  	        return false;
  	      return A._caseInsensitiveCompareStart(scheme, thisScheme, 0) >= 0;
  	    },
  	    replace$1$scheme(scheme) {
  	      var isFile, userInfo, port, host, currentPath, t1, path, _this = this;
  	      scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
  	      isFile = scheme === "file";
  	      userInfo = _this._userInfo;
  	      port = _this._port;
  	      if (scheme !== _this.scheme)
  	        port = A._Uri__makePort(port, scheme);
  	      host = _this._host;
  	      if (!(host != null))
  	        host = userInfo.length !== 0 || port != null || isFile ? "" : null;
  	      currentPath = _this.path;
  	      if (!isFile)
  	        t1 = host != null && currentPath.length !== 0;
  	      else
  	        t1 = true;
  	      if (t1 && !B.JSString_methods.startsWith$1(currentPath, "/"))
  	        currentPath = "/" + currentPath;
  	      path = currentPath;
  	      return A._Uri$_internal(scheme, userInfo, host, port, path, _this._query, _this._fragment);
  	    },
  	    _mergePaths$2(base, reference) {
  	      var backCount, refStart, baseEnd, newEnd, delta, t1, t2;
  	      for (backCount = 0, refStart = 0; B.JSString_methods.startsWith$2(reference, "../", refStart);) {
  	        refStart += 3;
  	        ++backCount;
  	      }
  	      baseEnd = B.JSString_methods.lastIndexOf$1(base, "/");
  	      for (;;) {
  	        if (!(baseEnd > 0 && backCount > 0))
  	          break;
  	        newEnd = B.JSString_methods.lastIndexOf$2(base, "/", baseEnd - 1);
  	        if (newEnd < 0)
  	          break;
  	        delta = baseEnd - newEnd;
  	        t1 = delta !== 2;
  	        t2 = false;
  	        if (!t1 || delta === 3)
  	          if (base.charCodeAt(newEnd + 1) === 46)
  	            t1 = !t1 || base.charCodeAt(newEnd + 2) === 46;
  	          else
  	            t1 = t2;
  	        else
  	          t1 = t2;
  	        if (t1)
  	          break;
  	        --backCount;
  	        baseEnd = newEnd;
  	      }
  	      return B.JSString_methods.replaceRange$3(base, baseEnd + 1, null, B.JSString_methods.substring$1(reference, refStart - 3 * backCount));
  	    },
  	    resolve$1(_, reference) {
  	      return this.resolveUri$1(A.Uri_parse(reference));
  	    },
  	    resolveUri$1(reference) {
  	      var targetScheme, targetUserInfo, targetHost, targetPort, targetPath, targetQuery, split, packageNameEnd, packageName, mergedPath, t1, fragment, _this = this, _null = null;
  	      if (reference.get$scheme().length !== 0) {
  	        if (type$._PlatformUri._is(reference))
  	          return reference;
  	        targetScheme = reference.get$scheme();
  	        if (reference.get$hasAuthority()) {
  	          targetUserInfo = reference.get$userInfo();
  	          targetHost = reference.get$host();
  	          targetPort = reference.get$hasPort() ? reference.get$port(reference) : _null;
  	        } else {
  	          targetPort = _null;
  	          targetHost = targetPort;
  	          targetUserInfo = "";
  	        }
  	        targetPath = A._Uri__removeDotSegments(reference.get$path(reference));
  	        targetQuery = reference.get$hasQuery() ? reference.get$query() : _null;
  	        split = 0;
  	      } else {
  	        targetScheme = _this.scheme;
  	        if (reference.get$hasAuthority()) {
  	          if (type$._PlatformUri._is(reference))
  	            return reference.replace$1$scheme(targetScheme);
  	          targetUserInfo = reference.get$userInfo();
  	          targetHost = reference.get$host();
  	          targetPort = A._Uri__makePort(reference.get$hasPort() ? reference.get$port(reference) : _null, targetScheme);
  	          targetPath = A._Uri__removeDotSegments(reference.get$path(reference));
  	          targetQuery = reference.get$hasQuery() ? reference.get$query() : _null;
  	          split = 1;
  	        } else {
  	          targetUserInfo = _this._userInfo;
  	          targetHost = _this._host;
  	          targetPort = _this._port;
  	          targetPath = _this.path;
  	          if (reference.get$hasEmptyPath())
  	            if (reference.get$hasQuery()) {
  	              targetQuery = reference.get$query();
  	              split = 3;
  	            } else {
  	              targetQuery = _this._query;
  	              split = 4;
  	            }
  	          else {
  	            packageNameEnd = A._Uri__packageNameEnd(_this, targetPath);
  	            if (packageNameEnd > 0) {
  	              packageName = B.JSString_methods.substring$2(targetPath, 0, packageNameEnd);
  	              targetPath = reference.get$hasAbsolutePath() ? packageName + A._Uri__removeDotSegments(reference.get$path(reference)) : packageName + A._Uri__removeDotSegments(_this._mergePaths$2(B.JSString_methods.substring$1(targetPath, packageName.length), reference.get$path(reference)));
  	            } else if (reference.get$hasAbsolutePath())
  	              targetPath = A._Uri__removeDotSegments(reference.get$path(reference));
  	            else if (targetPath.length === 0)
  	              if (targetHost == null)
  	                targetPath = targetScheme.length === 0 ? reference.get$path(reference) : A._Uri__removeDotSegments(reference.get$path(reference));
  	              else
  	                targetPath = A._Uri__removeDotSegments("/" + reference.get$path(reference));
  	            else {
  	              mergedPath = _this._mergePaths$2(targetPath, reference.get$path(reference));
  	              t1 = targetScheme.length === 0;
  	              if (!t1 || targetHost != null || B.JSString_methods.startsWith$1(targetPath, "/"))
  	                targetPath = A._Uri__removeDotSegments(mergedPath);
  	              else
  	                targetPath = A._Uri__normalizeRelativePath(mergedPath, !t1 || targetHost != null);
  	            }
  	            targetQuery = reference.get$hasQuery() ? reference.get$query() : _null;
  	            split = 2;
  	          }
  	        }
  	      }
  	      fragment = reference.get$hasFragment() ? reference.get$fragment() : _null;
  	      if (!type$._PlatformUri._is(reference)) {
  	        if (split === 0)
  	          targetScheme = A._Uri__makeScheme(targetScheme, 0, targetScheme.length);
  	        if (split <= 1) {
  	          t1 = targetUserInfo.length;
  	          if (t1 !== 0)
  	            targetUserInfo = A._Uri__makeUserInfo(targetUserInfo, 0, t1);
  	          if (targetPort != null)
  	            targetPort = A._Uri__makePort(targetPort, targetScheme);
  	          if (targetHost != null && targetHost.length !== 0)
  	            targetHost = A._Uri__makeHost(targetHost, 0, targetHost.length, false);
  	        }
  	        t1 = split <= 3;
  	        if (t1)
  	          targetPath = A._Uri__makePath(targetPath, 0, targetPath.length, _null, targetScheme, targetHost != null);
  	        if (t1 && targetQuery != null)
  	          targetQuery = A._Uri__makeQuery(targetQuery, 0, targetQuery.length, _null);
  	        if (fragment != null)
  	          fragment = A._Uri__makeFragment(fragment, 0, fragment.length);
  	      }
  	      return A._Uri$_internal(targetScheme, targetUserInfo, targetHost, targetPort, targetPath, targetQuery, fragment);
  	    },
  	    get$hasAuthority() {
  	      return this._host != null;
  	    },
  	    get$hasPort() {
  	      return this._port != null;
  	    },
  	    get$hasQuery() {
  	      return this._query != null;
  	    },
  	    get$hasFragment() {
  	      return this._fragment != null;
  	    },
  	    get$hasEmptyPath() {
  	      return this.path.length === 0;
  	    },
  	    get$hasAbsolutePath() {
  	      return B.JSString_methods.startsWith$1(this.path, "/");
  	    },
  	    toFilePath$0() {
  	      var pathSegments, _this = this,
  	        t1 = _this.scheme;
  	      if (t1 !== "" && t1 !== "file")
  	        throw A.wrapException(A.UnsupportedError$("Cannot extract a file path from a " + t1 + " URI"));
  	      t1 = _this._query;
  	      if ((t1 == null ? "" : t1) !== "")
  	        throw A.wrapException(A.UnsupportedError$(string$.Cannotfq));
  	      t1 = _this._fragment;
  	      if ((t1 == null ? "" : t1) !== "")
  	        throw A.wrapException(A.UnsupportedError$(string$.Cannotff));
  	      t1 = $.$get$_Uri__isWindowsCached();
  	      if (t1)
  	        t1 = A._Uri__toWindowsFilePath(_this);
  	      else {
  	        if (_this._host != null && _this.get$host() !== "")
  	          A.throwExpression(A.UnsupportedError$(string$.Cannotn));
  	        pathSegments = _this.get$pathSegments();
  	        A._Uri__checkNonWindowsPathReservedCharacters(pathSegments, false);
  	        t1 = A.StringBuffer__writeAll(B.JSString_methods.startsWith$1(_this.path, "/") ? "/" : "", pathSegments, "/");
  	        t1 = t1.charCodeAt(0) == 0 ? t1 : t1;
  	      }
  	      return t1;
  	    },
  	    toString$0(_) {
  	      return this.get$_text();
  	    },
  	    $eq(_, other) {
  	      var t1, t2, t3, _this = this;
  	      if (other == null)
  	        return false;
  	      if (_this === other)
  	        return true;
  	      t1 = false;
  	      if (type$.Uri._is(other))
  	        if (_this.scheme === other.get$scheme())
  	          if (_this._host != null === other.get$hasAuthority())
  	            if (_this._userInfo === other.get$userInfo())
  	              if (_this.get$host() === other.get$host())
  	                if (_this.get$port(0) === other.get$port(other))
  	                  if (_this.path === other.get$path(other)) {
  	                    t2 = _this._query;
  	                    t3 = t2 == null;
  	                    if (!t3 === other.get$hasQuery()) {
  	                      if (t3)
  	                        t2 = "";
  	                      if (t2 === other.get$query()) {
  	                        t2 = _this._fragment;
  	                        t3 = t2 == null;
  	                        if (!t3 === other.get$hasFragment()) {
  	                          t1 = t3 ? "" : t2;
  	                          t1 = t1 === other.get$fragment();
  	                        }
  	                      }
  	                    }
  	                  }
  	      return t1;
  	    },
  	    $isUri: 1,
  	    $is_PlatformUri: 1,
  	    get$scheme() {
  	      return this.scheme;
  	    },
  	    get$path(receiver) {
  	      return this.path;
  	    }
  	  };
  	  A._Uri__makePath_closure.prototype = {
  	    call$1(s) {
  	      return A._Uri__uriEncode(64, s, B.C_Utf8Codec, false);
  	    },
  	    $signature: 6
  	  };
  	  A.UriData.prototype = {
  	    get$uri() {
  	      var t2, queryIndex, end, query, _this = this, _null = null,
  	        t1 = _this._uriCache;
  	      if (t1 == null) {
  	        t1 = _this._text;
  	        t2 = _this._separatorIndices[0] + 1;
  	        queryIndex = B.JSString_methods.indexOf$2(t1, "?", t2);
  	        end = t1.length;
  	        if (queryIndex >= 0) {
  	          query = A._Uri__normalizeOrSubstring(t1, queryIndex + 1, end, 256, false, false);
  	          end = queryIndex;
  	        } else
  	          query = _null;
  	        t1 = _this._uriCache = new A._DataUri("data", "", _null, _null, A._Uri__normalizeOrSubstring(t1, t2, end, 128, false, false), query, _null);
  	      }
  	      return t1;
  	    },
  	    toString$0(_) {
  	      var t1 = this._text;
  	      return this._separatorIndices[0] === -1 ? "data:" + t1 : t1;
  	    }
  	  };
  	  A._SimpleUri.prototype = {
  	    get$hasAuthority() {
  	      return this._hostStart > 0;
  	    },
  	    get$hasPort() {
  	      return this._hostStart > 0 && this._portStart + 1 < this._pathStart;
  	    },
  	    get$hasQuery() {
  	      return this._queryStart < this._fragmentStart;
  	    },
  	    get$hasFragment() {
  	      return this._fragmentStart < this._uri.length;
  	    },
  	    get$hasAbsolutePath() {
  	      return B.JSString_methods.startsWith$2(this._uri, "/", this._pathStart);
  	    },
  	    get$hasEmptyPath() {
  	      return this._pathStart === this._queryStart;
  	    },
  	    get$scheme() {
  	      var t1 = this._schemeCache;
  	      return t1 == null ? this._schemeCache = this._computeScheme$0() : t1;
  	    },
  	    _computeScheme$0() {
  	      var t2, _this = this,
  	        t1 = _this._schemeEnd;
  	      if (t1 <= 0)
  	        return "";
  	      t2 = t1 === 4;
  	      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "http"))
  	        return "http";
  	      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
  	        return "https";
  	      if (t2 && B.JSString_methods.startsWith$1(_this._uri, "file"))
  	        return "file";
  	      if (t1 === 7 && B.JSString_methods.startsWith$1(_this._uri, "package"))
  	        return "package";
  	      return B.JSString_methods.substring$2(_this._uri, 0, t1);
  	    },
  	    get$userInfo() {
  	      var t1 = this._hostStart,
  	        t2 = this._schemeEnd + 3;
  	      return t1 > t2 ? B.JSString_methods.substring$2(this._uri, t2, t1 - 1) : "";
  	    },
  	    get$host() {
  	      var t1 = this._hostStart;
  	      return t1 > 0 ? B.JSString_methods.substring$2(this._uri, t1, this._portStart) : "";
  	    },
  	    get$port(_) {
  	      var t1, _this = this;
  	      if (_this.get$hasPort())
  	        return A.int_parse(B.JSString_methods.substring$2(_this._uri, _this._portStart + 1, _this._pathStart), null);
  	      t1 = _this._schemeEnd;
  	      if (t1 === 4 && B.JSString_methods.startsWith$1(_this._uri, "http"))
  	        return 80;
  	      if (t1 === 5 && B.JSString_methods.startsWith$1(_this._uri, "https"))
  	        return 443;
  	      return 0;
  	    },
  	    get$path(_) {
  	      return B.JSString_methods.substring$2(this._uri, this._pathStart, this._queryStart);
  	    },
  	    get$query() {
  	      var t1 = this._queryStart,
  	        t2 = this._fragmentStart;
  	      return t1 < t2 ? B.JSString_methods.substring$2(this._uri, t1 + 1, t2) : "";
  	    },
  	    get$fragment() {
  	      var t1 = this._fragmentStart,
  	        t2 = this._uri;
  	      return t1 < t2.length ? B.JSString_methods.substring$1(t2, t1 + 1) : "";
  	    },
  	    get$pathSegments() {
  	      var parts, i,
  	        start = this._pathStart,
  	        end = this._queryStart,
  	        t1 = this._uri;
  	      if (B.JSString_methods.startsWith$2(t1, "/", start))
  	        ++start;
  	      if (start === end)
  	        return B.List_empty;
  	      parts = A._setArrayType([], type$.JSArray_String);
  	      for (i = start; i < end; ++i)
  	        if (t1.charCodeAt(i) === 47) {
  	          parts.push(B.JSString_methods.substring$2(t1, start, i));
  	          start = i + 1;
  	        }
  	      parts.push(B.JSString_methods.substring$2(t1, start, end));
  	      return A.List_List$unmodifiable(parts, type$.String);
  	    },
  	    _isPort$1(port) {
  	      var portDigitStart = this._portStart + 1;
  	      return portDigitStart + port.length === this._pathStart && B.JSString_methods.startsWith$2(this._uri, port, portDigitStart);
  	    },
  	    removeFragment$0() {
  	      var _this = this,
  	        t1 = _this._fragmentStart,
  	        t2 = _this._uri;
  	      if (t1 >= t2.length)
  	        return _this;
  	      return new A._SimpleUri(B.JSString_methods.substring$2(t2, 0, t1), _this._schemeEnd, _this._hostStart, _this._portStart, _this._pathStart, _this._queryStart, t1, _this._schemeCache);
  	    },
  	    replace$1$scheme(scheme) {
  	      var schemeChanged, isFile, t1, userInfo, port, host, t2, path, t3, query, fragment, _this = this, _null = null;
  	      scheme = A._Uri__makeScheme(scheme, 0, scheme.length);
  	      schemeChanged = !(_this._schemeEnd === scheme.length && B.JSString_methods.startsWith$1(_this._uri, scheme));
  	      isFile = scheme === "file";
  	      t1 = _this._hostStart;
  	      userInfo = t1 > 0 ? B.JSString_methods.substring$2(_this._uri, _this._schemeEnd + 3, t1) : "";
  	      port = _this.get$hasPort() ? _this.get$port(0) : _null;
  	      if (schemeChanged)
  	        port = A._Uri__makePort(port, scheme);
  	      t1 = _this._hostStart;
  	      if (t1 > 0)
  	        host = B.JSString_methods.substring$2(_this._uri, t1, _this._portStart);
  	      else
  	        host = userInfo.length !== 0 || port != null || isFile ? "" : _null;
  	      t1 = _this._uri;
  	      t2 = _this._queryStart;
  	      path = B.JSString_methods.substring$2(t1, _this._pathStart, t2);
  	      if (!isFile)
  	        t3 = host != null && path.length !== 0;
  	      else
  	        t3 = true;
  	      if (t3 && !B.JSString_methods.startsWith$1(path, "/"))
  	        path = "/" + path;
  	      t3 = _this._fragmentStart;
  	      query = t2 < t3 ? B.JSString_methods.substring$2(t1, t2 + 1, t3) : _null;
  	      t2 = _this._fragmentStart;
  	      fragment = t2 < t1.length ? B.JSString_methods.substring$1(t1, t2 + 1) : _null;
  	      return A._Uri$_internal(scheme, userInfo, host, port, path, query, fragment);
  	    },
  	    resolve$1(_, reference) {
  	      return this.resolveUri$1(A.Uri_parse(reference));
  	    },
  	    resolveUri$1(reference) {
  	      if (reference instanceof A._SimpleUri)
  	        return this._simpleMerge$2(this, reference);
  	      return this._toNonSimple$0().resolveUri$1(reference);
  	    },
  	    _simpleMerge$2(base, ref) {
  	      var t2, t3, t4, isSimple, delta, refStart, basePathStart, packageNameEnd, basePathStart0, baseStart, baseEnd, baseUri, baseStart0, backCount, refStart0, insert,
  	        t1 = ref._schemeEnd;
  	      if (t1 > 0)
  	        return ref;
  	      t2 = ref._hostStart;
  	      if (t2 > 0) {
  	        t3 = base._schemeEnd;
  	        if (t3 <= 0)
  	          return ref;
  	        t4 = t3 === 4;
  	        if (t4 && B.JSString_methods.startsWith$1(base._uri, "file"))
  	          isSimple = ref._pathStart !== ref._queryStart;
  	        else if (t4 && B.JSString_methods.startsWith$1(base._uri, "http"))
  	          isSimple = !ref._isPort$1("80");
  	        else
  	          isSimple = !(t3 === 5 && B.JSString_methods.startsWith$1(base._uri, "https")) || !ref._isPort$1("443");
  	        if (isSimple) {
  	          delta = t3 + 1;
  	          return new A._SimpleUri(B.JSString_methods.substring$2(base._uri, 0, delta) + B.JSString_methods.substring$1(ref._uri, t1 + 1), t3, t2 + delta, ref._portStart + delta, ref._pathStart + delta, ref._queryStart + delta, ref._fragmentStart + delta, base._schemeCache);
  	        } else
  	          return this._toNonSimple$0().resolveUri$1(ref);
  	      }
  	      refStart = ref._pathStart;
  	      t1 = ref._queryStart;
  	      if (refStart === t1) {
  	        t2 = ref._fragmentStart;
  	        if (t1 < t2) {
  	          t3 = base._queryStart;
  	          delta = t3 - t1;
  	          return new A._SimpleUri(B.JSString_methods.substring$2(base._uri, 0, t3) + B.JSString_methods.substring$1(ref._uri, t1), base._schemeEnd, base._hostStart, base._portStart, base._pathStart, t1 + delta, t2 + delta, base._schemeCache);
  	        }
  	        t1 = ref._uri;
  	        if (t2 < t1.length) {
  	          t3 = base._fragmentStart;
  	          return new A._SimpleUri(B.JSString_methods.substring$2(base._uri, 0, t3) + B.JSString_methods.substring$1(t1, t2), base._schemeEnd, base._hostStart, base._portStart, base._pathStart, base._queryStart, t2 + (t3 - t2), base._schemeCache);
  	        }
  	        return base.removeFragment$0();
  	      }
  	      t2 = ref._uri;
  	      if (B.JSString_methods.startsWith$2(t2, "/", refStart)) {
  	        basePathStart = base._pathStart;
  	        packageNameEnd = A._SimpleUri__packageNameEnd(this);
  	        basePathStart0 = packageNameEnd > 0 ? packageNameEnd : basePathStart;
  	        delta = basePathStart0 - refStart;
  	        return new A._SimpleUri(B.JSString_methods.substring$2(base._uri, 0, basePathStart0) + B.JSString_methods.substring$1(t2, refStart), base._schemeEnd, base._hostStart, base._portStart, basePathStart, t1 + delta, ref._fragmentStart + delta, base._schemeCache);
  	      }
  	      baseStart = base._pathStart;
  	      baseEnd = base._queryStart;
  	      if (baseStart === baseEnd && base._hostStart > 0) {
  	        while (B.JSString_methods.startsWith$2(t2, "../", refStart))
  	          refStart += 3;
  	        delta = baseStart - refStart + 1;
  	        return new A._SimpleUri(B.JSString_methods.substring$2(base._uri, 0, baseStart) + "/" + B.JSString_methods.substring$1(t2, refStart), base._schemeEnd, base._hostStart, base._portStart, baseStart, t1 + delta, ref._fragmentStart + delta, base._schemeCache);
  	      }
  	      baseUri = base._uri;
  	      packageNameEnd = A._SimpleUri__packageNameEnd(this);
  	      if (packageNameEnd >= 0)
  	        baseStart0 = packageNameEnd;
  	      else
  	        for (baseStart0 = baseStart; B.JSString_methods.startsWith$2(baseUri, "../", baseStart0);)
  	          baseStart0 += 3;
  	      backCount = 0;
  	      for (;;) {
  	        refStart0 = refStart + 3;
  	        if (!(refStart0 <= t1 && B.JSString_methods.startsWith$2(t2, "../", refStart)))
  	          break;
  	        ++backCount;
  	        refStart = refStart0;
  	      }
  	      for (insert = ""; baseEnd > baseStart0;) {
  	        --baseEnd;
  	        if (baseUri.charCodeAt(baseEnd) === 47) {
  	          if (backCount === 0) {
  	            insert = "/";
  	            break;
  	          }
  	          --backCount;
  	          insert = "/";
  	        }
  	      }
  	      if (baseEnd === baseStart0 && base._schemeEnd <= 0 && !B.JSString_methods.startsWith$2(baseUri, "/", baseStart)) {
  	        refStart -= backCount * 3;
  	        insert = "";
  	      }
  	      delta = baseEnd - refStart + insert.length;
  	      return new A._SimpleUri(B.JSString_methods.substring$2(baseUri, 0, baseEnd) + insert + B.JSString_methods.substring$1(t2, refStart), base._schemeEnd, base._hostStart, base._portStart, baseStart, t1 + delta, ref._fragmentStart + delta, base._schemeCache);
  	    },
  	    toFilePath$0() {
  	      var t2, t3, _this = this,
  	        t1 = _this._schemeEnd;
  	      if (t1 >= 0) {
  	        t2 = !(t1 === 4 && B.JSString_methods.startsWith$1(_this._uri, "file"));
  	        t1 = t2;
  	      } else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(A.UnsupportedError$("Cannot extract a file path from a " + _this.get$scheme() + " URI"));
  	      t1 = _this._queryStart;
  	      t2 = _this._uri;
  	      if (t1 < t2.length) {
  	        if (t1 < _this._fragmentStart)
  	          throw A.wrapException(A.UnsupportedError$(string$.Cannotfq));
  	        throw A.wrapException(A.UnsupportedError$(string$.Cannotff));
  	      }
  	      t3 = $.$get$_Uri__isWindowsCached();
  	      if (t3)
  	        t1 = A._Uri__toWindowsFilePath(_this);
  	      else {
  	        if (_this._hostStart < _this._portStart)
  	          A.throwExpression(A.UnsupportedError$(string$.Cannotn));
  	        t1 = B.JSString_methods.substring$2(t2, _this._pathStart, t1);
  	      }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._hashCodeCache;
  	      return t1 == null ? this._hashCodeCache = B.JSString_methods.get$hashCode(this._uri) : t1;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      if (this === other)
  	        return true;
  	      return type$.Uri._is(other) && this._uri === other.toString$0(0);
  	    },
  	    _toNonSimple$0() {
  	      var _this = this, _null = null,
  	        t1 = _this.get$scheme(),
  	        t2 = _this.get$userInfo(),
  	        t3 = _this._hostStart > 0 ? _this.get$host() : _null,
  	        t4 = _this.get$hasPort() ? _this.get$port(0) : _null,
  	        t5 = _this._uri,
  	        t6 = _this._queryStart,
  	        t7 = B.JSString_methods.substring$2(t5, _this._pathStart, t6),
  	        t8 = _this._fragmentStart;
  	      t6 = t6 < t8 ? _this.get$query() : _null;
  	      return A._Uri$_internal(t1, t2, t3, t4, t7, t6, t8 < t5.length ? _this.get$fragment() : _null);
  	    },
  	    toString$0(_) {
  	      return this._uri;
  	    },
  	    $isUri: 1,
  	    $is_PlatformUri: 1
  	  };
  	  A._DataUri.prototype = {};
  	  A.Expando.prototype = {
  	    $indexSet(_, object, value) {
  	      if (object instanceof A._Record)
  	        A.Expando__badExpandoKey(object);
  	      this._jsWeakMap.set(object, value);
  	    },
  	    toString$0(_) {
  	      return "Expando:null";
  	    }
  	  };
  	  A.NullRejectionException.prototype = {
  	    toString$0(_) {
  	      return "Promise was rejected with a value of `" + (this.isUndefined ? "undefined" : "null") + "`.";
  	    },
  	    $isException: 1
  	  };
  	  A.jsify__convert.prototype = {
  	    call$1(o) {
  	      var t1, convertedMap, key, convertedList;
  	      if (A._noJsifyRequired(o))
  	        return o;
  	      t1 = this._convertedObjects;
  	      if (t1.containsKey$1(o))
  	        return t1.$index(0, o);
  	      if (type$.Map_dynamic_dynamic._is(o)) {
  	        convertedMap = {};
  	        t1.$indexSet(0, o, convertedMap);
  	        for (t1 = o.get$keys(o), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	          key = t1.get$current(t1);
  	          convertedMap[key] = this.call$1(o.$index(0, key));
  	        }
  	        return convertedMap;
  	      } else if (type$.Iterable_dynamic._is(o)) {
  	        convertedList = [];
  	        t1.$indexSet(0, o, convertedList);
  	        B.JSArray_methods.addAll$1(convertedList, J.map$1$1$ax(o, this, type$.dynamic));
  	        return convertedList;
  	      } else
  	        return o;
  	    },
  	    $signature: 542
  	  };
  	  A.promiseToFuture_closure.prototype = {
  	    call$1(r) {
  	      return this.completer.complete$1(r);
  	    },
  	    $signature: 71
  	  };
  	  A.promiseToFuture_closure0.prototype = {
  	    call$1(e) {
  	      if (e == null)
  	        return this.completer.completeError$1(new A.NullRejectionException(e === undefined));
  	      return this.completer.completeError$1(e);
  	    },
  	    $signature: 71
  	  };
  	  A._JSRandom.prototype = {
  	    nextInt$1(max) {
  	      if (max <= 0 || max > 4294967296)
  	        throw A.wrapException(A.RangeError$("max must be in range 0 < max \u2264 2^32, was " + max));
  	      return Math.random() * max >>> 0;
  	    },
  	    nextDouble$0() {
  	      return Math.random();
  	    }
  	  };
  	  A.ArgParser.prototype = {
  	    addFlag$6$abbr$defaultsTo$help$hide$negatable($name, abbr, defaultsTo, help, hide, negatable) {
  	      var _null = null;
  	      this._addOption$13$aliases$hide$hideNegatedUsage$negatable($name, abbr, help, _null, _null, _null, defaultsTo, _null, B.OptionType_tI9, B.List_empty, hide, false, negatable);
  	    },
  	    addFlag$2$hide($name, hide) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, null, false, null, hide, true);
  	    },
  	    addFlag$2$help($name, help) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, null, false, help, false, true);
  	    },
  	    addFlag$3$defaultsTo$help($name, defaultsTo, help) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, null, defaultsTo, help, false, true);
  	    },
  	    addFlag$3$help$negatable($name, help, negatable) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, null, false, help, false, negatable);
  	    },
  	    addFlag$3$abbr$help($name, abbr, help) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, abbr, false, help, false, true);
  	    },
  	    addFlag$4$abbr$help$negatable($name, abbr, help, negatable) {
  	      return this.addFlag$6$abbr$defaultsTo$help$hide$negatable($name, abbr, false, help, false, negatable);
  	    },
  	    addOption$7$abbr$allowed$defaultsTo$help$hide$valueHelp($name, abbr, allowed, defaultsTo, help, hide, valueHelp) {
  	      this._addOption$12$aliases$hide$mandatory($name, abbr, help, valueHelp, allowed, null, defaultsTo, null, B.OptionType_zZK, B.List_empty, hide, false);
  	    },
  	    addOption$2$hide($name, hide) {
  	      var _null = null;
  	      return this.addOption$7$abbr$allowed$defaultsTo$help$hide$valueHelp($name, _null, _null, _null, _null, hide, _null);
  	    },
  	    addOption$6$abbr$allowed$defaultsTo$help$valueHelp($name, abbr, allowed, defaultsTo, help, valueHelp) {
  	      return this.addOption$7$abbr$allowed$defaultsTo$help$hide$valueHelp($name, abbr, allowed, defaultsTo, help, false, valueHelp);
  	    },
  	    addOption$4$allowed$defaultsTo$help($name, allowed, defaultsTo, help) {
  	      return this.addOption$7$abbr$allowed$defaultsTo$help$hide$valueHelp($name, null, allowed, defaultsTo, help, false, null);
  	    },
  	    addMultiOption$7$abbr$allowed$allowedHelp$help$splitCommas$valueHelp($name, abbr, allowed, allowedHelp, help, splitCommas, valueHelp) {
  	      var t1 = A._setArrayType([], type$.JSArray_String);
  	      this._addOption$12$aliases$hide$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, t1, null, B.OptionType_1Ol, B.List_empty, false, splitCommas);
  	    },
  	    addMultiOption$5$abbr$help$splitCommas$valueHelp($name, abbr, help, splitCommas, valueHelp) {
  	      return this.addMultiOption$7$abbr$allowed$allowedHelp$help$splitCommas$valueHelp($name, abbr, null, null, help, splitCommas, valueHelp);
  	    },
  	    addMultiOption$6$abbr$allowed$allowedHelp$help$valueHelp($name, abbr, allowed, allowedHelp, help, valueHelp) {
  	      return this.addMultiOption$7$abbr$allowed$allowedHelp$help$splitCommas$valueHelp($name, abbr, allowed, allowedHelp, help, true, valueHelp);
  	    },
  	    addMultiOption$2$help($name, help) {
  	      var _null = null;
  	      return this.addMultiOption$7$abbr$allowed$allowedHelp$help$splitCommas$valueHelp($name, _null, _null, _null, help, true, _null);
  	    },
  	    _addOption$15$aliases$hide$hideNegatedUsage$mandatory$negatable$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, hideNegatedUsage, mandatory, negatable, splitCommas) {
  	      var existing, t2, t3, option, _i, _this = this, _null = null,
  	        t1 = A._setArrayType([$name], type$.JSArray_String);
  	      B.JSArray_methods.addAll$1(t1, aliases);
  	      if (B.JSArray_methods.any$1(t1, new A.ArgParser__addOption_closure(_this)))
  	        throw A.wrapException(A.ArgumentError$('Duplicate option or alias "' + $name + '".', _null));
  	      t1 = abbr != null;
  	      if (t1) {
  	        existing = _this.findByAbbreviation$1(abbr);
  	        if (existing != null)
  	          throw A.wrapException(A.ArgumentError$('Abbreviation "' + abbr + '" is already used by "' + existing.name + '".', _null));
  	      }
  	      t2 = allowed == null ? _null : A.List_List$unmodifiable(allowed, type$.String);
  	      if (allowedHelp == null)
  	        t3 = _null;
  	      else {
  	        t3 = type$.String;
  	        t3 = A.ConstantMap_ConstantMap$from(allowedHelp, t3, t3);
  	      }
  	      option = new A.Option($name, abbr, help, valueHelp, t2, t3, defaultsTo, negatable, false, callback, type, splitCommas == null ? type === B.OptionType_1Ol : splitCommas, false, hide);
  	      if ($name.length === 0)
  	        A.throwExpression(A.ArgumentError$("Name cannot be empty.", _null));
  	      else if (B.JSString_methods.startsWith$1($name, "-"))
  	        A.throwExpression(A.ArgumentError$("Name " + $name + ' cannot start with "-".', _null));
  	      t2 = $.$get$Option__invalidChars()._nativeRegExp;
  	      if (t2.test($name))
  	        A.throwExpression(A.ArgumentError$('Name "' + $name + '" contains invalid characters.', _null));
  	      if (t1) {
  	        if (abbr.length !== 1)
  	          A.throwExpression(A.ArgumentError$("Abbreviation must be null or have length 1.", _null));
  	        else if (abbr === "-")
  	          A.throwExpression(A.ArgumentError$('Abbreviation cannot be "-".', _null));
  	        if (t2.test(abbr))
  	          A.throwExpression(A.ArgumentError$("Abbreviation is an invalid character.", _null));
  	      }
  	      _this._arg_parser$_options.$indexSet(0, $name, option);
  	      _this._optionsAndSeparators.push(option);
  	      for (t1 = _this._aliases, _i = 0; false; ++_i)
  	        t1.$indexSet(0, aliases[_i], $name);
  	    },
  	    _addOption$12$aliases$hide$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, splitCommas) {
  	      return this._addOption$15$aliases$hide$hideNegatedUsage$mandatory$negatable$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, false, false, false, splitCommas);
  	    },
  	    _addOption$12$aliases$hide$mandatory($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, mandatory) {
  	      return this._addOption$15$aliases$hide$hideNegatedUsage$mandatory$negatable$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, false, mandatory, false, null);
  	    },
  	    _addOption$13$aliases$hide$hideNegatedUsage$negatable($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, hideNegatedUsage, negatable) {
  	      return this._addOption$15$aliases$hide$hideNegatedUsage$mandatory$negatable$splitCommas($name, abbr, help, valueHelp, allowed, allowedHelp, defaultsTo, callback, type, aliases, hide, hideNegatedUsage, false, negatable, null);
  	    },
  	    findByAbbreviation$1(abbr) {
  	      var t1, t2;
  	      for (t1 = this.options._map, t1 = t1.get$values(t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        if (t2.abbr === abbr)
  	          return t2;
  	      }
  	      return null;
  	    },
  	    findByNameOrAlias$1($name) {
  	      var t1 = this._aliases.$index(0, $name);
  	      if (t1 == null)
  	        t1 = $name;
  	      return this.options._map.$index(0, t1);
  	    }
  	  };
  	  A.ArgParser__addOption_closure.prototype = {
  	    call$1($name) {
  	      return this.$this.findByNameOrAlias$1($name) != null;
  	    },
  	    $signature: 4
  	  };
  	  A.ArgParserException.prototype = {};
  	  A.ArgResults.prototype = {
  	    $index(_, $name) {
  	      var t1 = this._parser.options._map;
  	      if (!t1.containsKey$1($name))
  	        throw A.wrapException(A.ArgumentError$('Could not find an option named "--' + $name + '".', null));
  	      t1 = t1.$index(0, $name);
  	      t1.toString;
  	      return t1.valueOrDefault$1(this._parsed.$index(0, $name));
  	    },
  	    wasParsed$1($name) {
  	      if (!this._parser.options._map.containsKey$1($name))
  	        throw A.wrapException(A.ArgumentError$('Could not find an option named "--' + $name + '".', null));
  	      return this._parsed.containsKey$1($name);
  	    }
  	  };
  	  A.Option.prototype = {
  	    valueOrDefault$1(value) {
  	      var t1;
  	      if (value != null)
  	        return value;
  	      if (this.type === B.OptionType_1Ol) {
  	        t1 = this.defaultsTo;
  	        return t1 == null ? A._setArrayType([], type$.JSArray_String) : t1;
  	      }
  	      return this.defaultsTo;
  	    }
  	  };
  	  A.OptionType.prototype = {};
  	  A.Parser0.prototype = {
  	    parse$0(_) {
  	      var commandResults, commandName, commandParser, error, t1, t3, t4, t5, t6, t7, t8, command, _this = this,
  	        t2 = _this._args;
  	      t2.toList$0(0);
  	      commandResults = null;
  	      for (t3 = _this._parser$_rest, t4 = _this._grammar, t5 = t4.commands, t6 = t2.$ti._precomputed1; !t2.get$isEmpty(0);) {
  	        t7 = t2._head;
  	        if (t7 === t2._tail)
  	          A.throwExpression(A.IterableElementError_noElement());
  	        t7 = t2._table[t7];
  	        t8 = t7 == null;
  	        if ((t8 ? t6._as(t7) : t7) === "--") {
  	          t2.removeFirst$0();
  	          break;
  	        }
  	        if (t8)
  	          t7 = t6._as(t7);
  	        command = t5._map.$index(0, t7);
  	        if (command != null) {
  	          t5 = t3.length;
  	          t7 = t2._head;
  	          if (t7 === t2._tail)
  	            A.throwExpression(A.IterableElementError_noElement());
  	          t7 = t2._table[t7];
  	          t6 = t7 == null ? t6._as(t7) : t7;
  	          if (t5 !== 0)
  	            A.throwExpression(A.ArgParserException$("Cannot specify arguments before a command.", null, t6, null, null));
  	          commandName = t2.removeFirst$0();
  	          t5 = type$.JSArray_String;
  	          t6 = A._setArrayType([], t5);
  	          B.JSArray_methods.addAll$1(t6, t3);
  	          commandParser = new A.Parser0(commandName, _this, command, t2, t6, A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.dynamic));
  	          try {
  	            commandResults = J.parse$0$z(commandParser);
  	          } catch (exception) {
  	            t2 = A.unwrapException(exception);
  	            if (t2 instanceof A.ArgParserException) {
  	              error = t2;
  	              t2 = error.message;
  	              t1 = A._setArrayType([commandName], t5);
  	              J.addAll$1$ax(t1, error.commands);
  	              throw A.wrapException(A.ArgParserException$(t2, t1, error.argumentName, error.source, error.offset));
  	            } else
  	              throw exception;
  	          }
  	          B.JSArray_methods.clear$0(t3);
  	          break;
  	        }
  	        if (_this._parseSoloOption$0())
  	          continue;
  	        if (_this._parseAbbreviation$1(_this))
  	          continue;
  	        if (_this._parseLongOption$0())
  	          continue;
  	        t3.push(t2.removeFirst$0());
  	      }
  	      t4.options._map.forEach$1(0, new A.Parser_parse_closure(_this));
  	      B.JSArray_methods.addAll$1(t3, t2);
  	      t2.clear$0(0);
  	      return new A.ArgResults(t4, _this._results, _this._commandName, new A.UnmodifiableListView(t3, type$.UnmodifiableListView_String));
  	    },
  	    _readNextArgAsValue$2(option, arg) {
  	      var _this = this,
  	        t1 = _this._args;
  	      _this._validate$3(!t1.get$isEmpty(0), 'Missing argument for "' + arg + '".', arg);
  	      _this._setOption$4(_this._results, option, t1.get$first(0), arg);
  	      t1.removeFirst$0();
  	    },
  	    _parseSoloOption$0() {
  	      var opt,
  	        t1 = this._args;
  	      if (t1.get$first(0).length !== 2)
  	        return false;
  	      if (!B.JSString_methods.startsWith$1(t1.get$first(0), "-"))
  	        return false;
  	      opt = t1.get$first(0)[1];
  	      if (!A._isLetterOrDigit(opt.charCodeAt(0)))
  	        return false;
  	      this._handleSoloOption$1(opt);
  	      return true;
  	    },
  	    _handleSoloOption$1(opt) {
  	      var t1, _this = this,
  	        option = _this._grammar.findByAbbreviation$1(opt);
  	      if (option == null) {
  	        t1 = _this._parser$_parent;
  	        _this._validate$3(t1 != null, 'Could not find an option or flag "-' + opt + '".', "-" + opt);
  	        t1._handleSoloOption$1(opt);
  	        return true;
  	      }
  	      _this._args.removeFirst$0();
  	      if (option.type === B.OptionType_tI9)
  	        _this._results.$indexSet(0, option.name, true);
  	      else
  	        _this._readNextArgAsValue$2(option, "-" + opt);
  	      return true;
  	    },
  	    _parseAbbreviation$1(innermostCommand) {
  	      var t2, index, t3, t4, t5, lettersAndDigits, rest,
  	        t1 = this._args;
  	      if (t1.get$first(0).length < 2)
  	        return false;
  	      if (!B.JSString_methods.startsWith$1(t1.get$first(0), "-"))
  	        return false;
  	      t2 = t1.$ti._precomputed1;
  	      index = 1;
  	      for (;;) {
  	        t3 = t1._head;
  	        if (t3 === t1._tail)
  	          A.throwExpression(A.IterableElementError_noElement());
  	        t3 = t1._table[t3];
  	        t4 = t3 == null;
  	        if (index < (t4 ? t2._as(t3) : t3).length) {
  	          t5 = true;
  	          t3 = (t4 ? t2._as(t3) : t3).charCodeAt(index);
  	          if (!(t3 >= 65 && t3 <= 90))
  	            if (!(t3 >= 97 && t3 <= 122))
  	              t3 = t3 >= 48 && t3 <= 57;
  	            else
  	              t3 = t5;
  	          else
  	            t3 = t5;
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        ++index;
  	      }
  	      if (index === 1)
  	        return false;
  	      lettersAndDigits = B.JSString_methods.substring$2(t1.get$first(0), 1, index);
  	      rest = B.JSString_methods.substring$1(t1.get$first(0), index);
  	      if (B.JSString_methods.contains$1(rest, "\n") || B.JSString_methods.contains$1(rest, "\r"))
  	        return false;
  	      this._handleAbbreviation$3(lettersAndDigits, rest, innermostCommand);
  	      return true;
  	    },
  	    _handleAbbreviation$3(lettersAndDigits, rest, innermostCommand) {
  	      var t1, i, i0, _this = this,
  	        c = B.JSString_methods.substring$2(lettersAndDigits, 0, 1),
  	        first = _this._grammar.findByAbbreviation$1(c);
  	      if (first == null) {
  	        t1 = _this._parser$_parent;
  	        _this._validate$3(t1 != null, string$.Could_ + c + '".', "-" + c);
  	        t1._handleAbbreviation$3(lettersAndDigits, rest, innermostCommand);
  	        return true;
  	      } else {
  	        t1 = "-" + c;
  	        if (first.type !== B.OptionType_tI9)
  	          _this._setOption$4(_this._results, first, B.JSString_methods.substring$1(lettersAndDigits, 1) + rest, t1);
  	        else {
  	          _this._validate$3(rest === "", 'Option "-' + c + '" is a flag and cannot handle value "' + B.JSString_methods.substring$1(lettersAndDigits, 1) + rest + '".', t1);
  	          for (t1 = lettersAndDigits.length, i = 0; i < t1; i = i0) {
  	            i0 = i + 1;
  	            innermostCommand._parseShortFlag$1(B.JSString_methods.substring$2(lettersAndDigits, i, i0));
  	          }
  	        }
  	      }
  	      _this._args.removeFirst$0();
  	      return true;
  	    },
  	    _parseShortFlag$1(c) {
  	      var t1, _this = this,
  	        option = _this._grammar.findByAbbreviation$1(c);
  	      if (option == null) {
  	        t1 = _this._parser$_parent;
  	        _this._validate$3(t1 != null, string$.Could_ + c + '".', "-" + c);
  	        t1._parseShortFlag$1(c);
  	        return;
  	      }
  	      _this._validate$3(option.type === B.OptionType_tI9, 'Option "-' + c + '" must be a flag to be in a collapsed "-".', "-" + c);
  	      _this._results.$indexSet(0, option.name, true);
  	    },
  	    _parseLongOption$0() {
  	      var index, t2, $name, t3, i, t4, t5, value,
  	        t1 = this._args;
  	      if (!B.JSString_methods.startsWith$1(t1.get$first(0), "--"))
  	        return false;
  	      index = B.JSString_methods.indexOf$1(t1.get$first(0), "=");
  	      t2 = index === -1;
  	      $name = t2 ? B.JSString_methods.substring$1(t1.get$first(0), 2) : B.JSString_methods.substring$2(t1.get$first(0), 2, index);
  	      for (t3 = $name.length, i = 0; i !== t3; ++i) {
  	        t4 = $name.charCodeAt(i);
  	        t5 = true;
  	        if (!(t4 >= 65 && t4 <= 90))
  	          if (!(t4 >= 97 && t4 <= 122))
  	            t5 = t4 >= 48 && t4 <= 57;
  	        if (!(t5 || t4 === 45 || t4 === 95))
  	          return false;
  	      }
  	      value = t2 ? null : B.JSString_methods.substring$1(t1.get$first(0), index + 1);
  	      if (value != null)
  	        t1 = B.JSString_methods.contains$1(value, "\n") || B.JSString_methods.contains$1(value, "\r");
  	      else
  	        t1 = false;
  	      if (t1)
  	        return false;
  	      this._handleLongOption$2($name, value);
  	      return true;
  	    },
  	    _handleLongOption$2($name, value) {
  	      var _this = this,
  	        _s34_ = 'Could not find an option named "--',
  	        t1 = _this._grammar,
  	        option = t1.findByNameOrAlias$1($name);
  	      if (option != null) {
  	        _this._args.removeFirst$0();
  	        if (option.type === B.OptionType_tI9) {
  	          _this._validate$3(value == null, 'Flag option "--' + $name + '" should not be given a value.', "--" + $name);
  	          _this._results.$indexSet(0, option.name, true);
  	        } else {
  	          t1 = "--" + $name;
  	          if (value != null)
  	            _this._setOption$4(_this._results, option, value, t1);
  	          else
  	            _this._readNextArgAsValue$2(option, t1);
  	        }
  	      } else if (B.JSString_methods.startsWith$1($name, "no-")) {
  	        option = t1.findByNameOrAlias$1(B.JSString_methods.substring$1($name, 3));
  	        if (option == null) {
  	          t1 = _this._parser$_parent;
  	          _this._validate$3(t1 != null, _s34_ + $name + '".', "--" + $name);
  	          t1._handleLongOption$2($name, value);
  	          return true;
  	        }
  	        _this._args.removeFirst$0();
  	        t1 = "--" + $name;
  	        _this._validate$3(option.type === B.OptionType_tI9, 'Cannot negate non-flag option "--' + $name + '".', t1);
  	        _this._validate$3(option.negatable, 'Cannot negate option "--' + $name + '".', t1);
  	        _this._results.$indexSet(0, option.name, false);
  	      } else {
  	        t1 = _this._parser$_parent;
  	        _this._validate$3(t1 != null, _s34_ + $name + '".', "--" + $name);
  	        t1._handleLongOption$2($name, value);
  	        return true;
  	      }
  	      return true;
  	    },
  	    _validate$3(condition, message, args) {
  	      if (!condition)
  	        throw A.wrapException(A.ArgParserException$(message, null, args, null, null));
  	    },
  	    _setOption$4(results, option, value, arg) {
  	      var list, t1, t2, t3, _i, element;
  	      if (option.type !== B.OptionType_1Ol) {
  	        this._validateAllowed$3(option, value, arg);
  	        results.$indexSet(0, option.name, value);
  	        return;
  	      }
  	      list = type$.List_dynamic._as(results.putIfAbsent$2(option.name, new A.Parser__setOption_closure()));
  	      if (option.splitCommas)
  	        for (t1 = value.split(","), t2 = t1.length, t3 = J.getInterceptor$ax(list), _i = 0; _i < t2; ++_i) {
  	          element = t1[_i];
  	          this._validateAllowed$3(option, element, arg);
  	          t3.add$1(list, element);
  	        }
  	      else {
  	        this._validateAllowed$3(option, value, arg);
  	        J.add$1$ax(list, value);
  	      }
  	    },
  	    _validateAllowed$3(option, value, arg) {
  	      var t1 = option.allowed;
  	      if (t1 == null)
  	        return;
  	      this._validate$3(B.JSArray_methods.contains$1(t1, value), '"' + value + '" is not an allowed value for option "' + arg + '".', arg);
  	    }
  	  };
  	  A.Parser_parse_closure.prototype = {
  	    call$2($name, option) {
  	      var parsedOption = this.$this._results.$index(0, $name),
  	        callback = option.callback;
  	      if (callback == null)
  	        return;
  	      callback.call$1(option.valueOrDefault$1(parsedOption));
  	    },
  	    $signature: 311
  	  };
  	  A.Parser__setOption_closure.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_String);
  	    },
  	    $signature: 139
  	  };
  	  A._Usage.prototype = {
  	    get$_columnWidths() {
  	      var result, _this = this,
  	        value = _this.___Usage__columnWidths_FI;
  	      if (value === $) {
  	        result = _this._calculateColumnWidths$0();
  	        _this.___Usage__columnWidths_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.___Usage__columnWidths_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    generate$0() {
  	      var t1, t2, t3, t4, _i, optionOrSeparator, t5, _this = this;
  	      for (t1 = _this._usage$_optionsAndSeparators, t2 = t1.length, t3 = type$.Option, t4 = _this._usage$_buffer, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        optionOrSeparator = t1[_i];
  	        if (typeof optionOrSeparator == "string") {
  	          t5 = t4._contents;
  	          t4._contents = (t5.length !== 0 ? t4._contents = t5 + "\n\n" : t5) + optionOrSeparator;
  	          _this._newlinesNeeded = 1;
  	          continue;
  	        }
  	        t3._as(optionOrSeparator);
  	        if (optionOrSeparator.hide)
  	          continue;
  	        _this._writeOption$1(optionOrSeparator);
  	      }
  	      t1 = t4._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _writeOption$1(option) {
  	      var _0_0, _1_0, t2, t3, t4, $name, $content, _this = this,
  	        t1 = option.abbr;
  	      _this._write$2(0, t1 == null ? "" : "-" + t1 + ", ");
  	      t1 = _this._longOption$1(option);
  	      _this._write$2(1, t1);
  	      _0_0 = option.help;
  	      if (_0_0 != null)
  	        _this._write$2(2, _0_0);
  	      _1_0 = option.allowedHelp;
  	      if (_1_0 != null) {
  	        _this._newline$0();
  	        for (t1 = _1_0.get$entries(_1_0), t1 = t1.get$iterator(t1), t2 = option.defaultsTo, t3 = type$.List_dynamic._is(t2); t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          $name = t4.key;
  	          $content = t4.value;
  	          t4 = (t3 ? B.JSArray_methods.contains$1(t2, $name) : t2 === $name) ? " (default)" : "";
  	          _this._write$2(1, "      [" + $name + "]" + t4);
  	          _this._write$2(2, $content);
  	        }
  	        _this._newline$0();
  	      } else if (option.allowed != null)
  	        _this._write$2(2, _this._buildAllowedList$1(option));
  	      else {
  	        t1 = option.type;
  	        if (t1 === B.OptionType_tI9) {
  	          if (option.defaultsTo === true)
  	            _this._write$2(2, "(defaults to on)");
  	        } else if (t1 === B.OptionType_1Ol) {
  	          t1 = option.defaultsTo;
  	          if (t1 != null && type$.Iterable_dynamic._as(t1).length !== 0) {
  	            type$.List_dynamic._as(t1);
  	            _this._write$2(2, "(defaults to " + new A.MappedListIterable(t1, new A._Usage__writeOption_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$1(0, ", ") + ")");
  	          }
  	        } else {
  	          t1 = option.defaultsTo;
  	          if (t1 != null)
  	            _this._write$2(2, '(defaults to "' + A.S(t1) + '")');
  	        }
  	      }
  	    },
  	    _longOption$1(option) {
  	      var t1 = option.name,
  	        result = option.negatable ? "--[no-]" + t1 : "--" + t1;
  	      t1 = option.valueHelp;
  	      return t1 != null ? result + ("=<" + t1 + ">") : result;
  	    },
  	    _calculateColumnWidths$0() {
  	      var t1, t2, t3, abbr, title, _i, option, t4, t5, t6, t7, t8;
  	      for (t1 = this._usage$_optionsAndSeparators, t2 = t1.length, t3 = type$.List_dynamic, abbr = 0, title = 0, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        option = t1[_i];
  	        if (!(option instanceof A.Option))
  	          continue;
  	        if (option.hide)
  	          continue;
  	        t4 = option.abbr;
  	        abbr = Math.max(abbr, (t4 == null ? "" : "-" + t4 + ", ").length);
  	        t4 = this._longOption$1(option);
  	        title = Math.max(title, t4.length);
  	        t4 = option.allowedHelp;
  	        if (t4 != null)
  	          for (t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4), t5 = option.defaultsTo, t6 = t3._is(t5); t4.moveNext$0();) {
  	            t7 = t4.get$current(t4);
  	            t8 = (t6 ? B.JSArray_methods.contains$1(t5, t7) : t5 === t7) ? " (default)" : "";
  	            title = Math.max(title, ("      [" + t7 + "]" + t8).length);
  	          }
  	      }
  	      return A._setArrayType([abbr, title + 4], type$.JSArray_int);
  	    },
  	    _newline$0() {
  	      ++this._newlinesNeeded;
  	      this._currentColumn = 0;
  	    },
  	    _write$2(column, text) {
  	      var t1, _i,
  	        lines = A._setArrayType(text.split("\n"), type$.JSArray_String);
  	      this.get$_columnWidths();
  	      for (;;) {
  	        if (!(lines.length !== 0 && B.JSString_methods.trim$0(B.JSArray_methods.get$first(lines)) === ""))
  	          break;
  	        B.JSArray_methods.removeAt$1(lines, 0);
  	      }
  	      for (;;) {
  	        if (!(lines.length !== 0 && B.JSString_methods.trim$0(B.JSArray_methods.get$last(lines)) === ""))
  	          break;
  	        lines.pop();
  	      }
  	      for (t1 = lines.length, _i = 0; _i < lines.length; lines.length === t1 || (0, A.throwConcurrentModificationError)(lines), ++_i)
  	        this._writeLine$2(column, lines[_i]);
  	    },
  	    _writeLine$2(column, text) {
  	      var t1, t2, t3, _this = this;
  	      for (t1 = _this._usage$_buffer; t2 = _this._newlinesNeeded, t2 > 0;) {
  	        t1._contents += "\n";
  	        _this._newlinesNeeded = t2 - 1;
  	      }
  	      while (t2 = _this._currentColumn, t2 !== column) {
  	        if (t2 < 2) {
  	          t2 = _this.get$_columnWidths();
  	          t3 = _this._currentColumn;
  	          t2 = B.JSString_methods.$mul(" ", t2[t3]);
  	          t1._contents += t2;
  	          t2 = t3;
  	        } else
  	          t1._contents += "\n";
  	        _this._currentColumn = (t2 + 1) % 3;
  	      }
  	      t2 = _this.get$_columnWidths();
  	      t3 = t1._contents;
  	      if (column < 2)
  	        t1._contents = t3 + B.JSString_methods.padRight$1(text, t2[column]);
  	      else
  	        t1._contents = t3 + text;
  	      _this._currentColumn = (_this._currentColumn + 1) % 3;
  	      if (column === 2)
  	        ++_this._newlinesNeeded;
  	    },
  	    _buildAllowedList$1(option) {
  	      var t2, first, _i, t3, allowed,
  	        t1 = option.defaultsTo,
  	        isDefault = type$.List_dynamic._is(t1) ? B.JSArray_methods.get$contains(t1) : new A._Usage__buildAllowedList_closure(option);
  	      for (t1 = option.allowed, t2 = t1.length, first = true, _i = 0, t3 = "["; _i < t2; ++_i, first = false) {
  	        allowed = t1[_i];
  	        t3 = (!first ? t3 + ", " : t3) + allowed;
  	        if (isDefault.call$1(allowed))
  	          t3 += " (default)";
  	      }
  	      t1 = t3 + "]";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A._Usage__writeOption_closure.prototype = {
  	    call$1(value) {
  	      return '"' + A.S(value) + '"';
  	    },
  	    $signature: 134
  	  };
  	  A._Usage__buildAllowedList_closure.prototype = {
  	    call$1(value) {
  	      return value === this.option.defaultsTo;
  	    },
  	    $signature: 4
  	  };
  	  A.FutureGroup.prototype = {
  	    add$1(_, task) {
  	      var t1, index, _this = this;
  	      if (_this._future_group$_closed)
  	        throw A.wrapException(A.StateError$("The FutureGroup is closed."));
  	      t1 = _this._future_group$_values;
  	      index = t1.length;
  	      t1.push(null);
  	      ++_this._future_group$_pending;
  	      task.then$1$1(0, new A.FutureGroup_add_closure(_this, index), type$.Null).catchError$1(new A.FutureGroup_add_closure0(_this));
  	    },
  	    close$0(_) {
  	      var t1, t2, _this = this;
  	      _this._future_group$_closed = true;
  	      if (_this._future_group$_pending !== 0)
  	        return;
  	      t1 = _this._future_group$_completer;
  	      if ((t1.future._state & 30) !== 0)
  	        return;
  	      t2 = _this.$ti._eval$1("WhereTypeIterable<1>");
  	      t2 = A.List_List$_of(new A.WhereTypeIterable(_this._future_group$_values, t2), t2._eval$1("Iterable.E"));
  	      t1.complete$1(t2);
  	    }
  	  };
  	  A.FutureGroup_add_closure.prototype = {
  	    call$1(value) {
  	      var t3, t4,
  	        t1 = this.$this,
  	        t2 = t1._future_group$_completer;
  	      if ((t2.future._state & 30) !== 0)
  	        return null;
  	      t3 = --t1._future_group$_pending;
  	      t4 = t1._future_group$_values;
  	      t4[this.index] = value;
  	      if (t3 !== 0)
  	        return null;
  	      if (!t1._future_group$_closed)
  	        return null;
  	      t1 = t1.$ti._eval$1("WhereTypeIterable<1>");
  	      t1 = A.List_List$_of(new A.WhereTypeIterable(t4, t1), t1._eval$1("Iterable.E"));
  	      t2.complete$1(t1);
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("Null(1)");
  	    }
  	  };
  	  A.FutureGroup_add_closure0.prototype = {
  	    call$2(error, stackTrace) {
  	      var t1 = this.$this._future_group$_completer;
  	      if ((t1.future._state & 30) !== 0)
  	        return null;
  	      t1.completeError$2(error, stackTrace);
  	    },
  	    $signature: 51
  	  };
  	  A.ErrorResult.prototype = {
  	    complete$1(completer) {
  	      completer.completeError$2(this.error, this.stackTrace);
  	    },
  	    get$hashCode(_) {
  	      return (J.get$hashCode$(this.error) ^ A.Primitives_objectHashCode(this.stackTrace) ^ 492929599) >>> 0;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ErrorResult && J.$eq$(this.error, other.error) && this.stackTrace === other.stackTrace;
  	    },
  	    $isResult: 1
  	  };
  	  A.ValueResult.prototype = {
  	    complete$1(completer) {
  	      completer.complete$1(this.value);
  	    },
  	    get$hashCode(_) {
  	      return (J.get$hashCode$(this.value) ^ 842997089) >>> 0;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ValueResult && J.$eq$(this.value, other.value);
  	    },
  	    $isResult: 1
  	  };
  	  A.StreamCompleter.prototype = {
  	    setSourceStream$1(sourceStream) {
  	      var t1 = this._stream_completer$_stream;
  	      if (t1._sourceStream != null)
  	        throw A.wrapException(A.StateError$("Source stream already set"));
  	      t1._sourceStream = sourceStream;
  	      if (t1._stream_completer$_controller != null)
  	        t1._linkStreamToController$0();
  	    },
  	    setError$2(error, stackTrace) {
  	      var t1 = this.$ti,
  	        t2 = A._interceptUserError(error, stackTrace),
  	        t3 = new A._Future($.Zone__current, t1._eval$1("_Future<1>"));
  	      t3._asyncCompleteErrorObject$1(t2);
  	      this.setSourceStream$1(A.Stream_Stream$fromFuture(t3, t1._precomputed1));
  	    },
  	    setError$1(error) {
  	      return this.setError$2(error, null);
  	    }
  	  };
  	  A._CompleterStream.prototype = {
  	    listen$4$cancelOnError$onDone$onError(_, onData, cancelOnError, onDone, onError) {
  	      var sourceStream, t1, _this = this, _null = null;
  	      if (_this._stream_completer$_controller == null) {
  	        sourceStream = _this._sourceStream;
  	        if (sourceStream != null && !sourceStream.get$isBroadcast())
  	          return sourceStream.listen$4$cancelOnError$onDone$onError(0, onData, cancelOnError, onDone, onError);
  	        if (_this._stream_completer$_controller == null)
  	          _this._stream_completer$_controller = A.StreamController_StreamController(_null, _null, _null, _null, true, _this.$ti._precomputed1);
  	        if (_this._sourceStream != null)
  	          _this._linkStreamToController$0();
  	      }
  	      t1 = _this._stream_completer$_controller;
  	      t1.toString;
  	      return new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$4$cancelOnError$onDone$onError(0, onData, cancelOnError, onDone, onError);
  	    },
  	    listen$1(_, onData) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, null, null);
  	    },
  	    listen$3$onDone$onError(_, onData, onDone, onError) {
  	      return this.listen$4$cancelOnError$onDone$onError(0, onData, null, onDone, onError);
  	    },
  	    _linkStreamToController$0() {
  	      var t2,
  	        t1 = this._stream_completer$_controller;
  	      t1.toString;
  	      t2 = this._sourceStream;
  	      t2.toString;
  	      t1.addStream$2$cancelOnError(t2, false).whenComplete$1(t1.get$close(t1));
  	    }
  	  };
  	  A.StreamGroup.prototype = {
  	    add$1(_, stream) {
  	      var t1, _this = this;
  	      if (_this._closed)
  	        throw A.wrapException(A.StateError$("Can't add a Stream to a closed StreamGroup."));
  	      t1 = _this._stream_group$_state;
  	      if (t1 === B._StreamGroupState_dormant)
  	        _this._subscriptions.putIfAbsent$2(stream, new A.StreamGroup_add_closure());
  	      else if (t1 === B._StreamGroupState_canceled)
  	        return stream.listen$1(0, null).cancel$0();
  	      else
  	        _this._subscriptions.putIfAbsent$2(stream, new A.StreamGroup_add_closure0(_this, stream));
  	      return null;
  	    },
  	    remove$1(_, stream) {
  	      var t1 = this._subscriptions,
  	        subscription = t1.remove$1(0, stream),
  	        future = subscription == null ? null : subscription.cancel$0();
  	      if (t1.__js_helper$_length === 0)
  	        if (this._closed) {
  	          t1 = this.__StreamGroup__controller_A;
  	          t1 === $ && A.throwUnnamedLateFieldNI();
  	          A.scheduleMicrotask(t1.get$close(t1));
  	        }
  	      return future;
  	    },
  	    _onListen$0() {
  	      var stream, t1, t2, t3, _i, entry, _this = this;
  	      _this._stream_group$_state = B._StreamGroupState_listening;
  	      t1 = _this._subscriptions;
  	      t2 = A.List_List$_of(new A.LinkedHashMapEntriesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapEntriesIterable<1,2>")), _this.$ti._eval$1("MapEntry<Stream<1>,StreamSubscription<1>?>"));
  	      t3 = t2.length;
  	      _i = 0;
  	      for (; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        entry = t2[_i];
  	        if (entry.value != null)
  	          continue;
  	        stream = entry.key;
  	        try {
  	          t1.$indexSet(0, stream, _this._listenToStream$1(stream));
  	        } catch (exception) {
  	          t1 = _this._onCancel$0();
  	          if (t1 != null)
  	            t1.catchError$1(new A.StreamGroup__onListen_closure());
  	          throw exception;
  	        }
  	      }
  	    },
  	    _onPause$0() {
  	      this._stream_group$_state = B._StreamGroupState_paused;
  	      for (var t1 = this._subscriptions, t1 = new A.LinkedHashMapValueIterator(t1, t1._modifications, t1._first); t1.moveNext$0();)
  	        t1.__js_helper$_current.pause$0(0);
  	    },
  	    _onResume$0() {
  	      this._stream_group$_state = B._StreamGroupState_listening;
  	      for (var t1 = this._subscriptions, t1 = new A.LinkedHashMapValueIterator(t1, t1._modifications, t1._first); t1.moveNext$0();)
  	        t1.__js_helper$_current.resume$0(0);
  	    },
  	    _onCancel$0() {
  	      var t1, t2, t3, futures;
  	      this._stream_group$_state = B._StreamGroupState_canceled;
  	      t1 = this._subscriptions;
  	      t2 = A._instanceType(t1)._eval$1("LinkedHashMapEntriesIterable<1,2>");
  	      t3 = type$.NonNullsIterable_Future_void;
  	      futures = A.List_List$_of(new A.NonNullsIterable(A.MappedIterable_MappedIterable(new A.LinkedHashMapEntriesIterable(t1, t2), new A.StreamGroup__onCancel_closure(this), t2._eval$1("Iterable.E"), type$.nullable_Future_void), t3), t3._eval$1("Iterable.E"));
  	      t1.clear$0(0);
  	      return futures.length === 0 ? null : A.Future_wait(futures, false, type$.void);
  	    },
  	    _listenToStream$1(stream) {
  	      var subscription,
  	        t1 = this.__StreamGroup__controller_A;
  	      t1 === $ && A.throwUnnamedLateFieldNI();
  	      subscription = stream.listen$3$onDone$onError(0, t1.get$add(t1), new A.StreamGroup__listenToStream_closure(this, stream), t1.get$addError());
  	      if (this._stream_group$_state === B._StreamGroupState_paused)
  	        subscription.pause$0(0);
  	      return subscription;
  	    }
  	  };
  	  A.StreamGroup_add_closure.prototype = {
  	    call$0() {
  	      return null;
  	    },
  	    $signature: 1
  	  };
  	  A.StreamGroup_add_closure0.prototype = {
  	    call$0() {
  	      return this.$this._listenToStream$1(this.stream);
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("StreamSubscription<1>()");
  	    }
  	  };
  	  A.StreamGroup__onListen_closure.prototype = {
  	    call$1(_) {
  	    },
  	    $signature: 62
  	  };
  	  A.StreamGroup__onCancel_closure.prototype = {
  	    call$1(entry) {
  	      var t1, subscription = entry.value;
  	      try {
  	        if (subscription != null) {
  	          t1 = subscription.cancel$0();
  	          return t1;
  	        }
  	        t1 = entry.key.listen$1(0, null).cancel$0();
  	        return t1;
  	      } catch (exception) {
  	        return null;
  	      }
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("Future<~>?(MapEntry<Stream<1>,StreamSubscription<1>?>)");
  	    }
  	  };
  	  A.StreamGroup__listenToStream_closure.prototype = {
  	    call$0() {
  	      return this.$this.remove$1(0, this.stream);
  	    },
  	    $signature: 0
  	  };
  	  A._StreamGroupState.prototype = {
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.StreamQueue.prototype = {
  	    _updateRequests$0() {
  	      var t1, t2, t3, t4, _this = this;
  	      for (t1 = _this._requestQueue, t2 = _this._eventQueue, t3 = t1.$ti._precomputed1; !t1.get$isEmpty(0);) {
  	        t4 = t1._head;
  	        if (t4 === t1._tail)
  	          A.throwExpression(A.IterableElementError_noElement());
  	        t4 = t1._table[t4];
  	        if (t4 == null)
  	          t4 = t3._as(t4);
  	        if (t4.update$2(t2, _this._isDone))
  	          t1.removeFirst$0();
  	        else
  	          return;
  	      }
  	      if (!_this._isDone)
  	        _this._stream_queue$_subscription.pause$0(0);
  	    },
  	    _ensureListening$0() {
  	      var t1, _this = this;
  	      if (_this._isDone)
  	        return;
  	      t1 = _this._stream_queue$_subscription;
  	      if (t1 == null)
  	        _this._stream_queue$_subscription = _this._stream_queue$_source.listen$3$onDone$onError(0, new A.StreamQueue__ensureListening_closure(_this), new A.StreamQueue__ensureListening_closure0(_this), new A.StreamQueue__ensureListening_closure1(_this));
  	      else
  	        t1.resume$0(0);
  	    },
  	    _addResult$1(result) {
  	      ++this._eventsReceived;
  	      this._eventQueue._queue_list$_add$1(result);
  	      this._updateRequests$0();
  	    },
  	    _addRequest$1(request) {
  	      var _this = this,
  	        t1 = _this._requestQueue;
  	      if (t1._head === t1._tail) {
  	        if (request.update$2(_this._eventQueue, _this._isDone))
  	          return;
  	        _this._ensureListening$0();
  	      }
  	      t1._add$1(request);
  	    }
  	  };
  	  A.StreamQueue__ensureListening_closure.prototype = {
  	    call$1(data) {
  	      var t1 = this.$this;
  	      t1._addResult$1(new A.ValueResult(data, t1.$ti._eval$1("ValueResult<1>")));
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("~(1)");
  	    }
  	  };
  	  A.StreamQueue__ensureListening_closure1.prototype = {
  	    call$2(error, stackTrace) {
  	      this.$this._addResult$1(new A.ErrorResult(error, stackTrace));
  	    },
  	    $signature: 51
  	  };
  	  A.StreamQueue__ensureListening_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._stream_queue$_subscription = null;
  	      t1._isDone = true;
  	      t1._updateRequests$0();
  	    },
  	    $signature: 0
  	  };
  	  A._NextRequest.prototype = {
  	    update$2(events, isDone) {
  	      if (!events.get$isEmpty(events)) {
  	        events.removeFirst$0().complete$1(this._completer);
  	        return true;
  	      }
  	      if (isDone) {
  	        this._completer.completeError$2(new A.StateError("No elements"), A.StackTrace_current());
  	        return true;
  	      }
  	      return false;
  	    },
  	    $is_EventRequest: 1
  	  };
  	  A._isStrictMode_closure.prototype = {
  	    call$0() {
  	      try {
  	        "".name = null;
  	        return false;
  	      } catch (exception) {
  	        return true;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.Repl.prototype = {};
  	  A.alwaysValid_closure.prototype = {
  	    call$1(text) {
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.ReplAdapter.prototype = {
  	    runAsync$0() {
  	      var rl, runController, _this = this, t1 = {},
  	        t2 = J.get$isTTY$x(self.process.stdin),
  	        output = (t2 == null ? false : t2) ? self.process.stdout : null;
  	      t2 = _this.repl.prompt;
  	      rl = J.createInterface$1$x($.$get$readline(), {input: self.process.stdin, output: output, prompt: t2});
  	      _this.rl = rl;
  	      t1.statement = "";
  	      t1.prompt = t2;
  	      runController = A._Cell$();
  	      runController.__late_helper$_value = A.StreamController_StreamController(_this.get$exit(_this), new A.ReplAdapter_runAsync_closure(t1, _this, rl, runController), null, null, false, type$.String);
  	      return runController._readLocal$0().get$stream();
  	    },
  	    exit$0(_) {
  	      var t1 = this.rl;
  	      if (t1 != null)
  	        J.close$0$x(t1);
  	      this.rl = null;
  	    }
  	  };
  	  A.ReplAdapter_runAsync_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$handler = 1, $async$errorStack = [], $async$self = this, lineController, lineQueue, line, error, stackTrace, t1, t2, t3, t4, $prompt, prompt0, t5, t6, t7, t8, line0, toZone, statement, $async$exception;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 3;
  	              lineController = A.StreamController_StreamController(null, null, null, null, false, type$.String);
  	              t1 = lineController;
  	              t2 = A.QueueList$(null, type$.Result_String);
  	              t3 = A.ListQueue$(type$._EventRequest_dynamic);
  	              lineQueue = new A.StreamQueue(new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")), t2, t3, type$.StreamQueue_String);
  	              t1 = $async$self.rl;
  	              t2 = J.getInterceptor$x(t1);
  	              t2.on$2(t1, "line", A.allowInterop(new A.ReplAdapter_runAsync__closure(lineController)));
  	              t3 = $async$self._box_0, t4 = $async$self.$this.repl, $prompt = t4.continuation, prompt0 = t4.prompt, t5 = $async$self.runController;
  	            case 6:
  	              // for condition
  	              // trivial condition
  	              t6 = J.get$isTTY$x(self.process.stdin);
  	              if (t6 == null ? false : t6)
  	                J.write$1$x(self.process.stdout, t3.prompt);
  	              t6 = lineQueue;
  	              t6.toString;
  	              t7 = t6.$ti;
  	              t8 = new A._Future($.Zone__current, t7._eval$1("_Future<1>"));
  	              t6._addRequest$1(new A._NextRequest(new A._AsyncCompleter(t8, t7._eval$1("_AsyncCompleter<1>")), t7._eval$1("_NextRequest<1>")));
  	              $async$goto = 8;
  	              return A._asyncAwait(t8, $async$call$0);
  	            case 8:
  	              // returning from await.
  	              line = $async$result;
  	              t6 = J.get$isTTY$x(self.process.stdin);
  	              if (!(t6 == null ? false : t6)) {
  	                line0 = t3.prompt + A.S(line);
  	                toZone = $.printToZone;
  	                if (toZone == null)
  	                  A.printString(line0);
  	                else
  	                  toZone.call$1(line0);
  	              }
  	              statement = B.JSString_methods.$add(t3.statement, line);
  	              t3.statement = statement;
  	              if (t4.validator.call$1(statement)) {
  	                t6 = t5.__late_helper$_value;
  	                if (t6 === t5)
  	                  A.throwExpression(A.LateError$localNI(""));
  	                J.add$1$ax(t6, t3.statement);
  	                t3.statement = "";
  	                t3.prompt = prompt0;
  	                t2.setPrompt$1(t1, prompt0);
  	              } else {
  	                t3.statement += "\n";
  	                t3.prompt = $prompt;
  	                t2.setPrompt$1(t1, $prompt);
  	              }
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	              $async$handler = 1;
  	              // goto after finally
  	              $async$goto = 5;
  	              break;
  	            case 3:
  	              // catch
  	              $async$handler = 2;
  	              $async$exception = $async$errorStack.pop();
  	              error = A.unwrapException($async$exception);
  	              stackTrace = A.getTraceFromException($async$exception);
  	              t1 = $async$self.runController;
  	              t1._readLocal$0().addError$2(error, stackTrace);
  	              t2 = $async$self.$this.exit$0(0);
  	              t2 = A._Future$value(t2, type$.void);
  	              $async$goto = 9;
  	              return A._asyncAwait(t2, $async$call$0);
  	            case 9:
  	              // returning from await.
  	              J.close$0$x(t1._readLocal$0());
  	              // goto after finally
  	              $async$goto = 5;
  	              break;
  	            case 2:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // after finally
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	            case 1:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A.ReplAdapter_runAsync__closure.prototype = {
  	    call$1(value) {
  	      return this.lineController.add$1(0, A._asString(value));
  	    },
  	    $signature: 71
  	  };
  	  A.Stdin.prototype = {};
  	  A.Stdout.prototype = {};
  	  A.ReadlineModule.prototype = {};
  	  A.ReadlineOptions.prototype = {};
  	  A.ReadlineInterface.prototype = {};
  	  A.EmptyUnmodifiableSet.prototype = {
  	    get$iterator(_) {
  	      return B.C_EmptyIterator;
  	    },
  	    get$length(_) {
  	      return 0;
  	    },
  	    contains$1(_, element) {
  	      return false;
  	    },
  	    toSet$0(_) {
  	      return A.LinkedHashSet_LinkedHashSet$_empty(this.$ti._precomputed1);
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isSet: 1
  	  };
  	  A._EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin.prototype = {};
  	  A.DefaultEquality.prototype = {};
  	  A.IterableEquality.prototype = {
  	    equals$2(_, elements1, elements2) {
  	      var it1, it2, hasNext;
  	      if (elements1 === elements2)
  	        return true;
  	      it1 = J.get$iterator$ax(elements1);
  	      it2 = J.get$iterator$ax(elements2);
  	      for (;;) {
  	        hasNext = it1.moveNext$0();
  	        if (hasNext !== it2.moveNext$0())
  	          return false;
  	        if (!hasNext)
  	          return true;
  	        if (!J.$eq$(it1.get$current(it1), it2.get$current(it2)))
  	          return false;
  	      }
  	    },
  	    hash$1(elements) {
  	      var t1, hash, _i;
  	      for (t1 = elements.length, hash = 0, _i = 0; _i < elements.length; elements.length === t1 || (0, A.throwConcurrentModificationError)(elements), ++_i) {
  	        hash = hash + J.get$hashCode$(elements[_i]) & 2147483647;
  	        hash = hash + (hash << 10 >>> 0) & 2147483647;
  	        hash ^= hash >>> 6;
  	      }
  	      hash = hash + (hash << 3 >>> 0) & 2147483647;
  	      hash ^= hash >>> 11;
  	      return hash + (hash << 15 >>> 0) & 2147483647;
  	    }
  	  };
  	  A.ListEquality.prototype = {
  	    equals$2(_, list1, list2) {
  	      var t1, $length, t2, i;
  	      if (list1 == null ? list2 == null : list1 === list2)
  	        return true;
  	      if (list1 == null || list2 == null)
  	        return false;
  	      t1 = J.getInterceptor$asx(list1);
  	      $length = t1.get$length(list1);
  	      t2 = J.getInterceptor$asx(list2);
  	      if ($length !== t2.get$length(list2))
  	        return false;
  	      for (i = 0; i < $length; ++i)
  	        if (!J.$eq$(t1.$index(list1, i), t2.$index(list2, i)))
  	          return false;
  	      return true;
  	    },
  	    hash$1(list) {
  	      var hash, i;
  	      for (hash = 0, i = 0; i < list.length; ++i) {
  	        hash = hash + J.get$hashCode$(list[i]) & 2147483647;
  	        hash = hash + (hash << 10 >>> 0) & 2147483647;
  	        hash ^= hash >>> 6;
  	      }
  	      hash = hash + (hash << 3 >>> 0) & 2147483647;
  	      hash ^= hash >>> 11;
  	      return hash + (hash << 15 >>> 0) & 2147483647;
  	    }
  	  };
  	  A._MapEntry.prototype = {
  	    get$hashCode(_) {
  	      return 3 * J.get$hashCode$(this.key) + 7 * J.get$hashCode$(this.value) & 2147483647;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A._MapEntry && J.$eq$(this.key, other.key) && J.$eq$(this.value, other.value);
  	    }
  	  };
  	  A.MapEquality.prototype = {
  	    equals$2(_, map1, map2) {
  	      var equalElementCounts, t1, key, entry, count;
  	      if (map1 === map2)
  	        return true;
  	      if (map1.get$length(map1) !== map2.get$length(map2))
  	        return false;
  	      equalElementCounts = A.HashMap_HashMap(type$._MapEntry, type$.int);
  	      for (t1 = map1.get$keys(map1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        key = t1.get$current(t1);
  	        entry = new A._MapEntry(this, key, map1.$index(0, key));
  	        count = equalElementCounts.$index(0, entry);
  	        equalElementCounts.$indexSet(0, entry, (count == null ? 0 : count) + 1);
  	      }
  	      for (t1 = map2.get$keys(map2), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        key = t1.get$current(t1);
  	        entry = new A._MapEntry(this, key, map2.$index(0, key));
  	        count = equalElementCounts.$index(0, entry);
  	        if (count == null || count === 0)
  	          return false;
  	        equalElementCounts.$indexSet(0, entry, count - 1);
  	      }
  	      return true;
  	    },
  	    hash$1(map) {
  	      var t1, t2, hash, key, keyHash, t3;
  	      for (t1 = map.get$keys(map), t1 = t1.get$iterator(t1), t2 = this.$ti._rest[1], hash = 0; t1.moveNext$0();) {
  	        key = t1.get$current(t1);
  	        keyHash = J.get$hashCode$(key);
  	        t3 = map.$index(0, key);
  	        hash = hash + 3 * keyHash + 7 * J.get$hashCode$(t3 == null ? t2._as(t3) : t3) & 2147483647;
  	      }
  	      hash = hash + (hash << 3 >>> 0) & 2147483647;
  	      hash ^= hash >>> 11;
  	      return hash + (hash << 15 >>> 0) & 2147483647;
  	    }
  	  };
  	  A.QueueList.prototype = {
  	    add$1(_, element) {
  	      this._queue_list$_add$1(element);
  	    },
  	    addAll$1(_, iterable) {
  	      var addCount, $length, t1, endSpace, t2, preSpace, _this = this;
  	      if (type$.List_dynamic._is(iterable)) {
  	        addCount = J.get$length$asx(iterable);
  	        $length = _this.get$length(0);
  	        t1 = $length + addCount;
  	        if (t1 >= J.get$length$asx(_this._queue_list$_table)) {
  	          _this._preGrow$1(t1);
  	          J.setRange$4$ax(_this._queue_list$_table, $length, t1, iterable, 0);
  	          _this.set$_queue_list$_tail(_this.get$_queue_list$_tail() + addCount);
  	        } else {
  	          endSpace = J.get$length$asx(_this._queue_list$_table) - _this.get$_queue_list$_tail();
  	          t1 = _this._queue_list$_table;
  	          t2 = J.getInterceptor$ax(t1);
  	          if (addCount < endSpace) {
  	            t2.setRange$4(t1, _this.get$_queue_list$_tail(), _this.get$_queue_list$_tail() + addCount, iterable, 0);
  	            _this.set$_queue_list$_tail(_this.get$_queue_list$_tail() + addCount);
  	          } else {
  	            preSpace = addCount - endSpace;
  	            t2.setRange$4(t1, _this.get$_queue_list$_tail(), _this.get$_queue_list$_tail() + endSpace, iterable, 0);
  	            J.setRange$4$ax(_this._queue_list$_table, 0, preSpace, iterable, endSpace);
  	            _this.set$_queue_list$_tail(preSpace);
  	          }
  	        }
  	      } else
  	        for (t1 = J.get$iterator$ax(iterable); t1.moveNext$0();)
  	          _this._queue_list$_add$1(t1.get$current(t1));
  	    },
  	    cast$1$0(_, $T) {
  	      return new A._CastQueueList(this, J.cast$1$0$ax(this._queue_list$_table, $T), -1, -1, A._instanceType(this)._eval$1("@<QueueList.E>")._bind$1($T)._eval$1("_CastQueueList<1,2>"));
  	    },
  	    toString$0(_) {
  	      return A.Iterable_iterableToFullString(this, "{", "}");
  	    },
  	    addFirst$1(element) {
  	      var _this = this;
  	      _this.set$_queue_list$_head((_this.get$_queue_list$_head() - 1 & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	      J.$indexSet$ax(_this._queue_list$_table, _this.get$_queue_list$_head(), element);
  	      if (_this.get$_queue_list$_head() === _this.get$_queue_list$_tail())
  	        _this._queue_list$_grow$0();
  	    },
  	    removeFirst$0() {
  	      var result, _this = this;
  	      if (_this.get$_queue_list$_head() === _this.get$_queue_list$_tail())
  	        throw A.wrapException(A.StateError$("No element"));
  	      result = J.$index$asx(_this._queue_list$_table, _this.get$_queue_list$_head());
  	      if (result == null)
  	        result = A._instanceType(_this)._eval$1("QueueList.E")._as(result);
  	      J.$indexSet$ax(_this._queue_list$_table, _this.get$_queue_list$_head(), null);
  	      _this.set$_queue_list$_head((_this.get$_queue_list$_head() + 1 & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	      return result;
  	    },
  	    removeLast$0(_) {
  	      var result, _this = this;
  	      if (_this.get$_queue_list$_head() === _this.get$_queue_list$_tail())
  	        throw A.wrapException(A.StateError$("No element"));
  	      _this.set$_queue_list$_tail((_this.get$_queue_list$_tail() - 1 & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	      result = J.$index$asx(_this._queue_list$_table, _this.get$_queue_list$_tail());
  	      if (result == null)
  	        result = A._instanceType(_this)._eval$1("QueueList.E")._as(result);
  	      J.$indexSet$ax(_this._queue_list$_table, _this.get$_queue_list$_tail(), null);
  	      return result;
  	    },
  	    get$length(_) {
  	      return (this.get$_queue_list$_tail() - this.get$_queue_list$_head() & J.get$length$asx(this._queue_list$_table) - 1) >>> 0;
  	    },
  	    set$length(_, value) {
  	      var delta, newTail, t1, t2, _this = this;
  	      if (value < 0)
  	        throw A.wrapException(A.RangeError$("Length " + value + " may not be negative."));
  	      if (value > _this.get$length(0) && !A._instanceType(_this)._eval$1("QueueList.E")._is(null))
  	        throw A.wrapException(A.UnsupportedError$("The length can only be increased when the element type is nullable, but the current element type is `" + A.createRuntimeType(A._instanceType(_this)._eval$1("QueueList.E")).toString$0(0) + "`."));
  	      delta = value - _this.get$length(0);
  	      if (delta >= 0) {
  	        if (J.get$length$asx(_this._queue_list$_table) <= value)
  	          _this._preGrow$1(value);
  	        _this.set$_queue_list$_tail((_this.get$_queue_list$_tail() + delta & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	        return;
  	      }
  	      newTail = _this.get$_queue_list$_tail() + delta;
  	      t1 = _this._queue_list$_table;
  	      if (newTail >= 0)
  	        J.fillRange$3$ax(t1, newTail, _this.get$_queue_list$_tail(), null);
  	      else {
  	        newTail += J.get$length$asx(t1);
  	        J.fillRange$3$ax(_this._queue_list$_table, 0, _this.get$_queue_list$_tail(), null);
  	        t1 = _this._queue_list$_table;
  	        t2 = J.getInterceptor$asx(t1);
  	        t2.fillRange$3(t1, newTail, t2.get$length(t1), null);
  	      }
  	      _this.set$_queue_list$_tail(newTail);
  	    },
  	    $index(_, index) {
  	      var t1, _this = this;
  	      if (index < 0 || index >= _this.get$length(0))
  	        throw A.wrapException(A.RangeError$("Index " + index + " must be in the range [0.." + _this.get$length(0) + ")."));
  	      t1 = J.$index$asx(_this._queue_list$_table, (_this.get$_queue_list$_head() + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	      return t1 == null ? A._instanceType(_this)._eval$1("QueueList.E")._as(t1) : t1;
  	    },
  	    $indexSet(_, index, value) {
  	      var _this = this;
  	      if (index < 0 || index >= _this.get$length(0))
  	        throw A.wrapException(A.RangeError$("Index " + index + " must be in the range [0.." + _this.get$length(0) + ")."));
  	      J.$indexSet$ax(_this._queue_list$_table, (_this.get$_queue_list$_head() + index & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0, value);
  	    },
  	    _queue_list$_add$1(element) {
  	      var _this = this;
  	      J.$indexSet$ax(_this._queue_list$_table, _this.get$_queue_list$_tail(), element);
  	      _this.set$_queue_list$_tail((_this.get$_queue_list$_tail() + 1 & J.get$length$asx(_this._queue_list$_table) - 1) >>> 0);
  	      if (_this.get$_queue_list$_head() === _this.get$_queue_list$_tail())
  	        _this._queue_list$_grow$0();
  	    },
  	    _queue_list$_grow$0() {
  	      var _this = this,
  	        newTable = A.List_List$filled(J.get$length$asx(_this._queue_list$_table) * 2, null, false, A._instanceType(_this)._eval$1("QueueList.E?")),
  	        split = J.get$length$asx(_this._queue_list$_table) - _this.get$_queue_list$_head();
  	      B.JSArray_methods.setRange$4(newTable, 0, split, _this._queue_list$_table, _this.get$_queue_list$_head());
  	      B.JSArray_methods.setRange$4(newTable, split, split + _this.get$_queue_list$_head(), _this._queue_list$_table, 0);
  	      _this.set$_queue_list$_head(0);
  	      _this.set$_queue_list$_tail(J.get$length$asx(_this._queue_list$_table));
  	      _this._queue_list$_table = newTable;
  	    },
  	    _writeToList$1(target) {
  	      var $length, firstPartSize, _this = this;
  	      if (_this.get$_queue_list$_head() <= _this.get$_queue_list$_tail()) {
  	        $length = _this.get$_queue_list$_tail() - _this.get$_queue_list$_head();
  	        B.JSArray_methods.setRange$4(target, 0, $length, _this._queue_list$_table, _this.get$_queue_list$_head());
  	        return $length;
  	      } else {
  	        firstPartSize = J.get$length$asx(_this._queue_list$_table) - _this.get$_queue_list$_head();
  	        B.JSArray_methods.setRange$4(target, 0, firstPartSize, _this._queue_list$_table, _this.get$_queue_list$_head());
  	        B.JSArray_methods.setRange$4(target, firstPartSize, firstPartSize + _this.get$_queue_list$_tail(), _this._queue_list$_table, 0);
  	        return _this.get$_queue_list$_tail() + firstPartSize;
  	      }
  	    },
  	    _preGrow$1(newElementCount) {
  	      var _this = this,
  	        newTable = A.List_List$filled(A.QueueList__nextPowerOf2(newElementCount + B.JSInt_methods._shrOtherPositive$1(newElementCount, 1)), null, false, A._instanceType(_this)._eval$1("QueueList.E?"));
  	      _this.set$_queue_list$_tail(_this._writeToList$1(newTable));
  	      _this._queue_list$_table = newTable;
  	      _this.set$_queue_list$_head(0);
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isQueue: 1,
  	    $isIterable: 1,
  	    $isList: 1,
  	    get$_queue_list$_head() {
  	      return this._queue_list$_head;
  	    },
  	    get$_queue_list$_tail() {
  	      return this._queue_list$_tail;
  	    },
  	    set$_queue_list$_head(val) {
  	      return this._queue_list$_head = val;
  	    },
  	    set$_queue_list$_tail(val) {
  	      return this._queue_list$_tail = val;
  	    }
  	  };
  	  A._CastQueueList.prototype = {
  	    get$_queue_list$_head() {
  	      return this._queue_list$_delegate.get$_queue_list$_head();
  	    },
  	    set$_queue_list$_head(value) {
  	      this._queue_list$_delegate.set$_queue_list$_head(value);
  	    },
  	    get$_queue_list$_tail() {
  	      return this._queue_list$_delegate.get$_queue_list$_tail();
  	    },
  	    set$_queue_list$_tail(value) {
  	      this._queue_list$_delegate.set$_queue_list$_tail(value);
  	    }
  	  };
  	  A._QueueList_Object_ListMixin.prototype = {};
  	  A.UnionSet.prototype = {
  	    get$length(_) {
  	      var t1 = this.get$_union_set$_iterable().get$length(0);
  	      return t1;
  	    },
  	    get$iterator(_) {
  	      var t1 = this.get$_union_set$_iterable();
  	      return t1.get$iterator(t1);
  	    },
  	    get$_union_set$_iterable() {
  	      var t1 = this._sets,
  	        t2 = this.$ti._precomputed1,
  	        t3 = A._instanceType(t1)._eval$1("@<1>")._bind$1(t2)._eval$1("ExpandIterable<1,2>");
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	      return new A.WhereIterable(new A.ExpandIterable(t1, new A.UnionSet__iterable_closure(this), t3), t2.get$add(t2), t3._eval$1("WhereIterable<Iterable.E>"));
  	    },
  	    contains$1(_, element) {
  	      return this._sets.any$1(0, new A.UnionSet_contains_closure(this, element));
  	    },
  	    toSet$0(_) {
  	      var t2, t3, t4,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(this.$ti._precomputed1);
  	      for (t2 = this._sets, t2 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, A._instanceType(t2)._precomputed1), t3 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t4 = t2._collection$_current;
  	        t1.addAll$1(0, t4 == null ? t3._as(t4) : t4);
  	      }
  	      return t1;
  	    }
  	  };
  	  A.UnionSet__iterable_closure.prototype = {
  	    call$1(set) {
  	      return set;
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("Set<1>(Set<1>)");
  	    }
  	  };
  	  A.UnionSet_contains_closure.prototype = {
  	    call$1(set) {
  	      return set.contains$1(0, this.element);
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("bool(Set<1>)");
  	    }
  	  };
  	  A._UnionSet_SetBase_UnmodifiableSetMixin.prototype = {};
  	  A.UnmodifiableSetView0.prototype = {};
  	  A.UnmodifiableSetMixin.prototype = {
  	    add$1(_, value) {
  	      return A.UnmodifiableSetMixin__throw();
  	    },
  	    addAll$1(_, elements) {
  	      return A.UnmodifiableSetMixin__throw();
  	    },
  	    remove$1(_, value) {
  	      return A.UnmodifiableSetMixin__throw();
  	    }
  	  };
  	  A._UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin.prototype = {};
  	  A._DelegatingIterableBase.prototype = {
  	    any$1(_, test) {
  	      var t1 = this.get$_base();
  	      return t1.any$1(t1, test);
  	    },
  	    contains$1(_, element) {
  	      var t1 = this.get$_base();
  	      return t1.contains$1(t1, element);
  	    },
  	    elementAt$1(_, index) {
  	      var t1 = this.get$_base();
  	      return t1.elementAt$1(t1, index);
  	    },
  	    every$1(_, test) {
  	      var t1 = this.get$_base();
  	      return t1.every$1(t1, test);
  	    },
  	    get$first(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$first(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$iterator(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$iterator(t1);
  	    },
  	    get$last(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$last(t1);
  	    },
  	    get$length(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$length(t1);
  	    },
  	    map$1$1(_, f, $T) {
  	      var t1 = this.get$_base();
  	      return t1.map$1$1(t1, f, $T);
  	    },
  	    get$single(_) {
  	      var t1 = this.get$_base();
  	      return t1.get$single(t1);
  	    },
  	    skip$1(_, n) {
  	      var t1 = this.get$_base();
  	      return t1.skip$1(t1, n);
  	    },
  	    take$1(_, n) {
  	      var t1 = this.get$_base();
  	      return t1.take$1(t1, n);
  	    },
  	    toList$1$growable(_, growable) {
  	      var t1 = this.get$_base();
  	      return t1.toList$1$growable(t1, true);
  	    },
  	    toList$0(_) {
  	      return this.toList$1$growable(0, true);
  	    },
  	    toSet$0(_) {
  	      var t1 = this.get$_base();
  	      return t1.toSet$0(t1);
  	    },
  	    where$1(_, test) {
  	      var t1 = this.get$_base();
  	      return t1.where$1(t1, test);
  	    },
  	    toString$0(_) {
  	      var t1 = this.get$_base();
  	      return t1.toString$0(t1);
  	    },
  	    $isIterable: 1
  	  };
  	  A.DelegatingSet.prototype = {
  	    add$1(_, value) {
  	      return this._base.add$1(0, value);
  	    },
  	    addAll$1(_, elements) {
  	      this._base.addAll$1(0, elements);
  	    },
  	    toSet$0(_) {
  	      return new A.DelegatingSet(this._base.toSet$0(0), A._instanceType(this)._eval$1("DelegatingSet<1>"));
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isSet: 1,
  	    get$_base() {
  	      return this._base;
  	    }
  	  };
  	  A.MapKeySet.prototype = {
  	    get$_base() {
  	      var t1 = this._baseMap;
  	      return t1.get$keys(t1);
  	    },
  	    contains$1(_, element) {
  	      return this._baseMap.containsKey$1(element);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._baseMap;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._baseMap;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    get$length(_) {
  	      var t1 = this._baseMap;
  	      return t1.get$length(t1);
  	    },
  	    toString$0(_) {
  	      return A.Iterable_iterableToFullString(this, "{", "}");
  	    },
  	    difference$1(other) {
  	      var t1 = this.get$_base();
  	      return t1.where$1(t1, new A.MapKeySet_difference_closure(this, other)).toSet$0(0);
  	    },
  	    intersection$1(other) {
  	      var t1 = this.get$_base();
  	      return t1.where$1(t1, other.get$contains(other)).toSet$0(0);
  	    },
  	    $isEfficientLengthIterable: 1,
  	    $isSet: 1
  	  };
  	  A.MapKeySet_difference_closure.prototype = {
  	    call$1(element) {
  	      return !this.other.contains$1(0, element);
  	    },
  	    $signature() {
  	      return this.$this.$ti._eval$1("bool(1)");
  	    }
  	  };
  	  A._MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin.prototype = {};
  	  A.BufferModule.prototype = {};
  	  A.BufferConstants.prototype = {};
  	  A.Buffer.prototype = {};
  	  A.ConsoleModule.prototype = {};
  	  A.Console.prototype = {};
  	  A.EventEmitter.prototype = {};
  	  A.FS.prototype = {};
  	  A.FSConstants.prototype = {};
  	  A.Realpath.prototype = {};
  	  A.RealpathSync.prototype = {};
  	  A.FSWatcher.prototype = {};
  	  A.ReadStream.prototype = {};
  	  A.ReadStreamOptions.prototype = {};
  	  A.WriteStream.prototype = {};
  	  A.WriteStreamOptions.prototype = {};
  	  A.FileOptions.prototype = {};
  	  A.StatOptions.prototype = {};
  	  A.MkdirOptions.prototype = {};
  	  A.RmdirOptions.prototype = {};
  	  A.WatchOptions.prototype = {};
  	  A.WatchFileOptions.prototype = {};
  	  A.Stats.prototype = {};
  	  A.Promise.prototype = {};
  	  A.Date.prototype = {};
  	  A.JsError.prototype = {};
  	  A.Atomics.prototype = {};
  	  A.Modules.prototype = {};
  	  A.Module.prototype = {};
  	  A.Net.prototype = {};
  	  A.Socket.prototype = {};
  	  A.NetAddress.prototype = {};
  	  A.NetServer.prototype = {};
  	  A.NodeJsError.prototype = {};
  	  A.JsAssertionError.prototype = {};
  	  A.JsRangeError.prototype = {};
  	  A.JsReferenceError.prototype = {};
  	  A.JsSyntaxError.prototype = {};
  	  A.JsTypeError.prototype = {};
  	  A.JsSystemError.prototype = {};
  	  A.Process.prototype = {};
  	  A.CPUUsage.prototype = {};
  	  A.Release.prototype = {};
  	  A.StreamModule.prototype = {};
  	  A.Readable.prototype = {};
  	  A.Writable.prototype = {};
  	  A.Duplex.prototype = {};
  	  A.Transform.prototype = {};
  	  A.WritableOptions.prototype = {};
  	  A.ReadableOptions.prototype = {};
  	  A.Immediate.prototype = {};
  	  A.Timeout.prototype = {};
  	  A.TTY.prototype = {};
  	  A.TTYReadStream.prototype = {};
  	  A.TTYWriteStream.prototype = {};
  	  A.Util.prototype = {};
  	  A.promiseToFuture_closure1.prototype = {
  	    call$1(value) {
  	      this.completer.complete$1(value);
  	    },
  	    $signature: 62
  	  };
  	  A.promiseToFuture_closure2.prototype = {
  	    call$1(error) {
  	      this.completer.completeError$1(error);
  	    },
  	    $signature: 62
  	  };
  	  A.futureToPromise_closure.prototype = {
  	    call$2(resolve, reject) {
  	      this.future.then$1$2$onError(0, new A.futureToPromise__closure(resolve, this.T), reject, type$.dynamic);
  	    },
  	    $signature: 395
  	  };
  	  A.futureToPromise__closure.prototype = {
  	    call$1(result) {
  	      return this.resolve.call$1(result);
  	    },
  	    $signature() {
  	      return this.T._eval$1("@(0)");
  	    }
  	  };
  	  A.Context.prototype = {
  	    absolute$15(part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15) {
  	      var t1;
  	      A._validateArgList("absolute", A._setArrayType([part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15], type$.JSArray_nullable_String));
  	      if (part2 == null) {
  	        t1 = this.style;
  	        t1 = t1.rootLength$1(part1) > 0 && !t1.isRootRelative$1(part1);
  	      } else
  	        t1 = false;
  	      if (t1)
  	        return part1;
  	      t1 = this._context$_current;
  	      return this.join$16(0, t1 == null ? A.current() : t1, part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15);
  	    },
  	    absolute$1(part1) {
  	      var _null = null;
  	      return this.absolute$15(part1, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    },
  	    dirname$1(path) {
  	      var t1, t2,
  	        parsed = A.ParsedPath_ParsedPath$parse(path, this.style);
  	      parsed.removeTrailingSeparators$0();
  	      t1 = parsed.parts;
  	      t2 = t1.length;
  	      if (t2 === 0) {
  	        t1 = parsed.root;
  	        return t1 == null ? "." : t1;
  	      }
  	      if (t2 === 1) {
  	        t1 = parsed.root;
  	        return t1 == null ? "." : t1;
  	      }
  	      B.JSArray_methods.removeLast$0(t1);
  	      parsed.separators.pop();
  	      parsed.removeTrailingSeparators$0();
  	      return parsed.toString$0(0);
  	    },
  	    join$16(_, part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15, part16) {
  	      var parts = A._setArrayType([part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15, part16], type$.JSArray_nullable_String);
  	      A._validateArgList("join", parts);
  	      return this.joinAll$1(new A.WhereTypeIterable(parts, type$.WhereTypeIterable_String));
  	    },
  	    join$2(_, part1, part2) {
  	      var _null = null;
  	      return this.join$16(0, part1, part2, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    },
  	    joinAll$1(parts) {
  	      var t1, t2, t3, needsSeparator, isAbsoluteAndNotRootRelative, t4, t5, parsed, path;
  	      for (t1 = J.where$1$ax(parts, new A.Context_joinAll_closure()), t2 = J.get$iterator$ax(t1.__internal$_iterable), t1 = new A.WhereIterator(t2, t1._f), t3 = this.style, needsSeparator = false, isAbsoluteAndNotRootRelative = false, t4 = ""; t1.moveNext$0();) {
  	        t5 = t2.get$current(t2);
  	        if (t3.isRootRelative$1(t5) && isAbsoluteAndNotRootRelative) {
  	          parsed = A.ParsedPath_ParsedPath$parse(t5, t3);
  	          path = t4.charCodeAt(0) == 0 ? t4 : t4;
  	          t4 = B.JSString_methods.substring$2(path, 0, t3.rootLength$2$withDrive(path, true));
  	          parsed.root = t4;
  	          if (t3.needsSeparator$1(t4))
  	            parsed.separators[0] = t3.get$separator(t3);
  	          t4 = parsed.toString$0(0);
  	        } else if (t3.rootLength$1(t5) > 0) {
  	          isAbsoluteAndNotRootRelative = !t3.isRootRelative$1(t5);
  	          t4 = t5;
  	        } else {
  	          if (!(t5.length !== 0 && t3.containsSeparator$1(t5[0])))
  	            if (needsSeparator)
  	              t4 += t3.get$separator(t3);
  	          t4 += t5;
  	        }
  	        needsSeparator = t3.needsSeparator$1(t5);
  	      }
  	      return t4.charCodeAt(0) == 0 ? t4 : t4;
  	    },
  	    split$1(_, path) {
  	      var parsed = A.ParsedPath_ParsedPath$parse(path, this.style),
  	        t1 = parsed.parts,
  	        t2 = A._arrayInstanceType(t1)._eval$1("WhereIterable<1>");
  	      t1 = A.List_List$_of(new A.WhereIterable(t1, new A.Context_split_closure(), t2), t2._eval$1("Iterable.E"));
  	      parsed.parts = t1;
  	      t2 = parsed.root;
  	      if (t2 != null)
  	        B.JSArray_methods.insert$2(t1, 0, t2);
  	      return parsed.parts;
  	    },
  	    canonicalize$1(_, path) {
  	      var t1, parsed;
  	      path = this.absolute$1(path);
  	      t1 = this.style;
  	      if (t1 !== $.$get$Style_windows() && !this._needsNormalization$1(path))
  	        return path;
  	      parsed = A.ParsedPath_ParsedPath$parse(path, t1);
  	      parsed.normalize$1$canonicalize(true);
  	      return parsed.toString$0(0);
  	    },
  	    normalize$1(path) {
  	      var parsed;
  	      if (!this._needsNormalization$1(path))
  	        return path;
  	      parsed = A.ParsedPath_ParsedPath$parse(path, this.style);
  	      parsed.normalize$0();
  	      return parsed.toString$0(0);
  	    },
  	    _needsNormalization$1(path) {
  	      var i, start, previous, t2, previousPrevious, codeUnit, t3,
  	        t1 = this.style,
  	        root = t1.rootLength$1(path);
  	      if (root !== 0) {
  	        if (t1 === $.$get$Style_windows())
  	          for (i = 0; i < root; ++i)
  	            if (path.charCodeAt(i) === 47)
  	              return true;
  	        start = root;
  	        previous = 47;
  	      } else {
  	        start = 0;
  	        previous = null;
  	      }
  	      for (t2 = path.length, i = start, previousPrevious = null; i < t2; ++i, previousPrevious = previous, previous = codeUnit) {
  	        codeUnit = path.charCodeAt(i);
  	        if (t1.isSeparator$1(codeUnit)) {
  	          if (t1 === $.$get$Style_windows() && codeUnit === 47)
  	            return true;
  	          if (previous != null && t1.isSeparator$1(previous))
  	            return true;
  	          if (previous === 46)
  	            t3 = previousPrevious == null || previousPrevious === 46 || t1.isSeparator$1(previousPrevious);
  	          else
  	            t3 = false;
  	          if (t3)
  	            return true;
  	        }
  	      }
  	      if (previous == null)
  	        return true;
  	      if (t1.isSeparator$1(previous))
  	        return true;
  	      if (previous === 46)
  	        t1 = previousPrevious == null || t1.isSeparator$1(previousPrevious) || previousPrevious === 46;
  	      else
  	        t1 = false;
  	      if (t1)
  	        return true;
  	      return false;
  	    },
  	    relative$2$from(path, from) {
  	      var fromParsed, pathParsed, t2, t3, _this = this,
  	        _s26_ = 'Unable to find a path to "',
  	        t1 = from == null;
  	      if (t1 && _this.style.rootLength$1(path) <= 0)
  	        return _this.normalize$1(path);
  	      if (t1) {
  	        t1 = _this._context$_current;
  	        from = t1 == null ? A.current() : t1;
  	      } else
  	        from = _this.absolute$1(from);
  	      t1 = _this.style;
  	      if (t1.rootLength$1(from) <= 0 && t1.rootLength$1(path) > 0)
  	        return _this.normalize$1(path);
  	      if (t1.rootLength$1(path) <= 0 || t1.isRootRelative$1(path))
  	        path = _this.absolute$1(path);
  	      if (t1.rootLength$1(path) <= 0 && t1.rootLength$1(from) > 0)
  	        throw A.wrapException(A.PathException$(_s26_ + path + '" from "' + from + '".'));
  	      fromParsed = A.ParsedPath_ParsedPath$parse(from, t1);
  	      fromParsed.normalize$0();
  	      pathParsed = A.ParsedPath_ParsedPath$parse(path, t1);
  	      pathParsed.normalize$0();
  	      t2 = fromParsed.parts;
  	      if (t2.length !== 0 && t2[0] === ".")
  	        return pathParsed.toString$0(0);
  	      t2 = fromParsed.root;
  	      t3 = pathParsed.root;
  	      if (t2 != t3)
  	        t2 = t2 == null || t3 == null || !t1.pathsEqual$2(t2, t3);
  	      else
  	        t2 = false;
  	      if (t2)
  	        return pathParsed.toString$0(0);
  	      for (;;) {
  	        t2 = fromParsed.parts;
  	        if (t2.length !== 0) {
  	          t3 = pathParsed.parts;
  	          t2 = t3.length !== 0 && t1.pathsEqual$2(t2[0], t3[0]);
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	        B.JSArray_methods.removeAt$1(fromParsed.parts, 0);
  	        B.JSArray_methods.removeAt$1(fromParsed.separators, 1);
  	        B.JSArray_methods.removeAt$1(pathParsed.parts, 0);
  	        B.JSArray_methods.removeAt$1(pathParsed.separators, 1);
  	      }
  	      t2 = fromParsed.parts;
  	      t3 = t2.length;
  	      if (t3 !== 0 && t2[0] === "..")
  	        throw A.wrapException(A.PathException$(_s26_ + path + '" from "' + from + '".'));
  	      t2 = type$.String;
  	      B.JSArray_methods.insertAll$2(pathParsed.parts, 0, A.List_List$filled(t3, "..", false, t2));
  	      t3 = pathParsed.separators;
  	      t3[0] = "";
  	      B.JSArray_methods.insertAll$2(t3, 1, A.List_List$filled(fromParsed.parts.length, t1.get$separator(t1), false, t2));
  	      t1 = pathParsed.parts;
  	      t2 = t1.length;
  	      if (t2 === 0)
  	        return ".";
  	      if (t2 > 1 && B.JSArray_methods.get$last(t1) === ".") {
  	        B.JSArray_methods.removeLast$0(pathParsed.parts);
  	        t1 = pathParsed.separators;
  	        t1.pop();
  	        t1.pop();
  	        t1.push("");
  	      }
  	      pathParsed.root = "";
  	      pathParsed.removeTrailingSeparators$0();
  	      return pathParsed.toString$0(0);
  	    },
  	    relative$1(path) {
  	      return this.relative$2$from(path, null);
  	    },
  	    _isWithinOrEquals$2($parent, child) {
  	      var relative, t1, parentIsAbsolute, childIsAbsolute, childIsRootRelative, parentIsRootRelative, result, _this = this;
  	      $parent = $parent;
  	      child = child;
  	      t1 = _this.style;
  	      parentIsAbsolute = t1.rootLength$1($parent) > 0;
  	      childIsAbsolute = t1.rootLength$1(child) > 0;
  	      if (parentIsAbsolute && !childIsAbsolute) {
  	        child = _this.absolute$1(child);
  	        if (t1.isRootRelative$1($parent))
  	          $parent = _this.absolute$1($parent);
  	      } else if (childIsAbsolute && !parentIsAbsolute) {
  	        $parent = _this.absolute$1($parent);
  	        if (t1.isRootRelative$1(child))
  	          child = _this.absolute$1(child);
  	      } else if (childIsAbsolute && parentIsAbsolute) {
  	        childIsRootRelative = t1.isRootRelative$1(child);
  	        parentIsRootRelative = t1.isRootRelative$1($parent);
  	        if (childIsRootRelative && !parentIsRootRelative)
  	          child = _this.absolute$1(child);
  	        else if (parentIsRootRelative && !childIsRootRelative)
  	          $parent = _this.absolute$1($parent);
  	      }
  	      result = _this._isWithinOrEqualsFast$2($parent, child);
  	      if (result !== B._PathRelation_inconclusive)
  	        return result;
  	      relative = null;
  	      try {
  	        relative = _this.relative$2$from(child, $parent);
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.PathException)
  	          return B._PathRelation_different;
  	        else
  	          throw exception;
  	      }
  	      if (t1.rootLength$1(relative) > 0)
  	        return B._PathRelation_different;
  	      if (J.$eq$(relative, "."))
  	        return B._PathRelation_equal;
  	      if (J.$eq$(relative, ".."))
  	        return B._PathRelation_different;
  	      return J.get$length$asx(relative) >= 3 && J.startsWith$1$s(relative, "..") && t1.isSeparator$1(J.codeUnitAt$1$s(relative, 2)) ? B._PathRelation_different : B._PathRelation_within;
  	    },
  	    _isWithinOrEqualsFast$2($parent, child) {
  	      var t1, parentRootLength, childRootLength, i, t2, t3, childIndex, parentIndex, lastCodeUnit, lastParentSeparator, parentCodeUnit, childCodeUnit, parentIndex0, direction, _this = this;
  	      if ($parent === ".")
  	        $parent = "";
  	      t1 = _this.style;
  	      parentRootLength = t1.rootLength$1($parent);
  	      childRootLength = t1.rootLength$1(child);
  	      if (parentRootLength !== childRootLength)
  	        return B._PathRelation_different;
  	      for (i = 0; i < parentRootLength; ++i)
  	        if (!t1.codeUnitsEqual$2($parent.charCodeAt(i), child.charCodeAt(i)))
  	          return B._PathRelation_different;
  	      t2 = child.length;
  	      t3 = $parent.length;
  	      childIndex = childRootLength;
  	      parentIndex = parentRootLength;
  	      lastCodeUnit = 47;
  	      lastParentSeparator = null;
  	      for (;;) {
  	        if (!(parentIndex < t3 && childIndex < t2))
  	          break;
  	        c$0: {
  	          parentCodeUnit = $parent.charCodeAt(parentIndex);
  	          childCodeUnit = child.charCodeAt(childIndex);
  	          if (t1.codeUnitsEqual$2(parentCodeUnit, childCodeUnit)) {
  	            if (t1.isSeparator$1(parentCodeUnit))
  	              lastParentSeparator = parentIndex;
  	            ++parentIndex;
  	            ++childIndex;
  	            lastCodeUnit = parentCodeUnit;
  	            break c$0;
  	          }
  	          if (t1.isSeparator$1(parentCodeUnit) && t1.isSeparator$1(lastCodeUnit)) {
  	            parentIndex0 = parentIndex + 1;
  	            lastParentSeparator = parentIndex;
  	            parentIndex = parentIndex0;
  	            break c$0;
  	          } else if (t1.isSeparator$1(childCodeUnit) && t1.isSeparator$1(lastCodeUnit)) {
  	            ++childIndex;
  	            break c$0;
  	          }
  	          if (parentCodeUnit === 46 && t1.isSeparator$1(lastCodeUnit)) {
  	            ++parentIndex;
  	            if (parentIndex === t3)
  	              break;
  	            parentCodeUnit = $parent.charCodeAt(parentIndex);
  	            if (t1.isSeparator$1(parentCodeUnit)) {
  	              parentIndex0 = parentIndex + 1;
  	              lastParentSeparator = parentIndex;
  	              parentIndex = parentIndex0;
  	              break c$0;
  	            }
  	            if (parentCodeUnit === 46) {
  	              ++parentIndex;
  	              if (parentIndex === t3 || t1.isSeparator$1($parent.charCodeAt(parentIndex)))
  	                return B._PathRelation_inconclusive;
  	            }
  	          }
  	          if (childCodeUnit === 46 && t1.isSeparator$1(lastCodeUnit)) {
  	            ++childIndex;
  	            if (childIndex === t2)
  	              break;
  	            childCodeUnit = child.charCodeAt(childIndex);
  	            if (t1.isSeparator$1(childCodeUnit)) {
  	              ++childIndex;
  	              break c$0;
  	            }
  	            if (childCodeUnit === 46) {
  	              ++childIndex;
  	              if (childIndex === t2 || t1.isSeparator$1(child.charCodeAt(childIndex)))
  	                return B._PathRelation_inconclusive;
  	            }
  	          }
  	          if (_this._pathDirection$2(child, childIndex) !== B._PathDirection_Wme)
  	            return B._PathRelation_inconclusive;
  	          if (_this._pathDirection$2($parent, parentIndex) !== B._PathDirection_Wme)
  	            return B._PathRelation_inconclusive;
  	          return B._PathRelation_different;
  	        }
  	      }
  	      if (childIndex === t2) {
  	        if (parentIndex === t3 || t1.isSeparator$1($parent.charCodeAt(parentIndex)))
  	          lastParentSeparator = parentIndex;
  	        else if (lastParentSeparator == null)
  	          lastParentSeparator = Math.max(0, parentRootLength - 1);
  	        direction = _this._pathDirection$2($parent, lastParentSeparator);
  	        if (direction === B._PathDirection_dMN)
  	          return B._PathRelation_equal;
  	        return direction === B._PathDirection_vgO ? B._PathRelation_inconclusive : B._PathRelation_different;
  	      }
  	      direction = _this._pathDirection$2(child, childIndex);
  	      if (direction === B._PathDirection_dMN)
  	        return B._PathRelation_equal;
  	      if (direction === B._PathDirection_vgO)
  	        return B._PathRelation_inconclusive;
  	      return t1.isSeparator$1(child.charCodeAt(childIndex)) || t1.isSeparator$1(lastCodeUnit) ? B._PathRelation_within : B._PathRelation_different;
  	    },
  	    _pathDirection$2(path, index) {
  	      var t1, t2, i, depth, reachedRoot, i0, t3;
  	      for (t1 = path.length, t2 = this.style, i = index, depth = 0, reachedRoot = false; i < t1;) {
  	        for (;;) {
  	          if (!(i < t1 && t2.isSeparator$1(path.charCodeAt(i))))
  	            break;
  	          ++i;
  	        }
  	        if (i === t1)
  	          break;
  	        i0 = i;
  	        for (;;) {
  	          if (!(i0 < t1 && !t2.isSeparator$1(path.charCodeAt(i0))))
  	            break;
  	          ++i0;
  	        }
  	        t3 = i0 - i;
  	        if (!(t3 === 1 && path.charCodeAt(i) === 46))
  	          if (t3 === 2 && path.charCodeAt(i) === 46 && path.charCodeAt(i + 1) === 46) {
  	            --depth;
  	            if (depth < 0)
  	              break;
  	            if (depth === 0)
  	              reachedRoot = true;
  	          } else
  	            ++depth;
  	        if (i0 === t1)
  	          break;
  	        i = i0 + 1;
  	      }
  	      if (depth < 0)
  	        return B._PathDirection_vgO;
  	      if (depth === 0)
  	        return B._PathDirection_dMN;
  	      if (reachedRoot)
  	        return B._PathDirection_6kc;
  	      return B._PathDirection_Wme;
  	    },
  	    hash$1(path) {
  	      var result, parsed, t1, _this = this;
  	      path = _this.absolute$1(path);
  	      result = _this._hashFast$1(path);
  	      if (result != null)
  	        return result;
  	      parsed = A.ParsedPath_ParsedPath$parse(path, _this.style);
  	      parsed.normalize$0();
  	      t1 = _this._hashFast$1(parsed.toString$0(0));
  	      t1.toString;
  	      return t1;
  	    },
  	    _hashFast$1(path) {
  	      var t1, t2, hash, beginning, wasSeparator, i, codeUnit, t3, next;
  	      for (t1 = path.length, t2 = this.style, hash = 4603, beginning = true, wasSeparator = true, i = 0; i < t1; ++i) {
  	        codeUnit = t2.canonicalizeCodeUnit$1(path.charCodeAt(i));
  	        if (t2.isSeparator$1(codeUnit)) {
  	          wasSeparator = true;
  	          continue;
  	        }
  	        if (codeUnit === 46 && wasSeparator) {
  	          t3 = i + 1;
  	          if (t3 === t1)
  	            break;
  	          next = path.charCodeAt(t3);
  	          if (t2.isSeparator$1(next))
  	            continue;
  	          t3 = false;
  	          if (!beginning)
  	            if (next === 46) {
  	              t3 = i + 2;
  	              t3 = t3 === t1 || t2.isSeparator$1(path.charCodeAt(t3));
  	            }
  	          if (t3)
  	            return null;
  	        }
  	        hash = ((hash & 67108863) * 33 ^ codeUnit) >>> 0;
  	        beginning = false;
  	        wasSeparator = false;
  	      }
  	      return hash;
  	    },
  	    withoutExtension$1(path) {
  	      var t1, i,
  	        parsed = A.ParsedPath_ParsedPath$parse(path, this.style);
  	      for (t1 = parsed.parts, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].length !== 0) {
  	          t1[i] = parsed._splitExtension$0()[0];
  	          break;
  	        }
  	      return parsed.toString$0(0);
  	    },
  	    toUri$1(path) {
  	      var t2,
  	        t1 = this.style;
  	      if (t1.rootLength$1(path) <= 0)
  	        return t1.relativePathToUri$1(path);
  	      else {
  	        t2 = this._context$_current;
  	        return t1.absolutePathToUri$1(this.join$2(0, t2 == null ? A.current() : t2, path));
  	      }
  	    },
  	    prettyUri$1(uri) {
  	      var path, rel, _this = this,
  	        typedUri = A._parseUri(uri);
  	      if (typedUri.get$scheme() === "file" && _this.style === $.$get$Style_url())
  	        return typedUri.toString$0(0);
  	      else if (typedUri.get$scheme() !== "file" && typedUri.get$scheme() !== "" && _this.style !== $.$get$Style_url())
  	        return typedUri.toString$0(0);
  	      path = _this.normalize$1(_this.style.pathFromUri$1(A._parseUri(typedUri)));
  	      rel = _this.relative$1(path);
  	      return _this.split$1(0, rel).length > _this.split$1(0, path).length ? path : rel;
  	    }
  	  };
  	  A.Context_joinAll_closure.prototype = {
  	    call$1(part) {
  	      return part !== "";
  	    },
  	    $signature: 4
  	  };
  	  A.Context_split_closure.prototype = {
  	    call$1(part) {
  	      return part.length !== 0;
  	    },
  	    $signature: 4
  	  };
  	  A._validateArgList_closure.prototype = {
  	    call$1(arg) {
  	      return arg == null ? "null" : '"' + arg + '"';
  	    },
  	    $signature: 396
  	  };
  	  A._PathDirection.prototype = {
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A._PathRelation.prototype = {
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.InternalStyle.prototype = {
  	    getRoot$1(path) {
  	      var $length = this.rootLength$1(path);
  	      if ($length > 0)
  	        return B.JSString_methods.substring$2(path, 0, $length);
  	      return this.isRootRelative$1(path) ? path[0] : null;
  	    },
  	    relativePathToUri$1(path) {
  	      var segments, _null = null,
  	        t1 = path.length;
  	      if (t1 === 0)
  	        return A._Uri__Uri(_null, _null, _null, _null);
  	      segments = A.Context_Context(this).split$1(0, path);
  	      if (this.isSeparator$1(path.charCodeAt(t1 - 1)))
  	        B.JSArray_methods.add$1(segments, "");
  	      return A._Uri__Uri(_null, _null, segments, _null);
  	    },
  	    codeUnitsEqual$2(codeUnit1, codeUnit2) {
  	      return codeUnit1 === codeUnit2;
  	    },
  	    pathsEqual$2(path1, path2) {
  	      return path1 === path2;
  	    },
  	    canonicalizeCodeUnit$1(codeUnit) {
  	      return codeUnit;
  	    },
  	    canonicalizePart$1(part) {
  	      return part;
  	    }
  	  };
  	  A.ParsedPath.prototype = {
  	    get$basename() {
  	      var _this = this,
  	        t1 = type$.String,
  	        copy = new A.ParsedPath(_this.style, _this.root, _this.isRootRelative, A.List_List$from(_this.parts, true, t1), A.List_List$from(_this.separators, true, t1));
  	      copy.removeTrailingSeparators$0();
  	      t1 = copy.parts;
  	      if (t1.length === 0) {
  	        t1 = _this.root;
  	        return t1 == null ? "" : t1;
  	      }
  	      return B.JSArray_methods.get$last(t1);
  	    },
  	    get$hasTrailingSeparator() {
  	      var t1 = this.parts;
  	      if (t1.length !== 0)
  	        t1 = B.JSArray_methods.get$last(t1) === "" || B.JSArray_methods.get$last(this.separators) !== "";
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    removeTrailingSeparators$0() {
  	      var t1, t2, _this = this;
  	      for (;;) {
  	        t1 = _this.parts;
  	        if (!(t1.length !== 0 && B.JSArray_methods.get$last(t1) === ""))
  	          break;
  	        B.JSArray_methods.removeLast$0(_this.parts);
  	        _this.separators.pop();
  	      }
  	      t1 = _this.separators;
  	      t2 = t1.length;
  	      if (t2 !== 0)
  	        t1[t2 - 1] = "";
  	    },
  	    normalize$1$canonicalize(canonicalize) {
  	      var t1, t2, t3, leadingDoubles, _i, part, _this = this,
  	        newParts = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = _this.parts, t2 = t1.length, t3 = _this.style, leadingDoubles = 0, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        part = t1[_i];
  	        if (!(part === "." || part === ""))
  	          if (part === "..")
  	            if (newParts.length !== 0)
  	              newParts.pop();
  	            else
  	              ++leadingDoubles;
  	          else
  	            newParts.push(canonicalize ? t3.canonicalizePart$1(part) : part);
  	      }
  	      if (_this.root == null)
  	        B.JSArray_methods.insertAll$2(newParts, 0, A.List_List$filled(leadingDoubles, "..", false, type$.String));
  	      if (newParts.length === 0 && _this.root == null)
  	        newParts.push(".");
  	      _this.parts = newParts;
  	      _this.separators = A.List_List$filled(newParts.length + 1, t3.get$separator(t3), true, type$.String);
  	      t1 = _this.root;
  	      if (t1 == null || newParts.length === 0 || !t3.needsSeparator$1(t1))
  	        _this.separators[0] = "";
  	      t1 = _this.root;
  	      if (t1 != null && t3 === $.$get$Style_windows()) {
  	        if (canonicalize)
  	          t1 = _this.root = t1.toLowerCase();
  	        _this.root = A.stringReplaceAllUnchecked(t1, "/", "\\");
  	      }
  	      _this.removeTrailingSeparators$0();
  	    },
  	    normalize$0() {
  	      return this.normalize$1$canonicalize(false);
  	    },
  	    toString$0(_) {
  	      var t2, t3, t4, i,
  	        t1 = this.root;
  	      t1 = t1 != null ? t1 : "";
  	      for (t2 = this.parts, t3 = t2.length, t4 = this.separators, i = 0; i < t3; ++i)
  	        t1 = t1 + t4[i] + t2[i];
  	      t1 += B.JSArray_methods.get$last(t4);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _kthLastIndexOf$3(path, character, k) {
  	      var index, count, leftMostIndexedCharacter;
  	      for (index = path.length - 1, count = 0, leftMostIndexedCharacter = 0; index >= 0; --index)
  	        if (path[index] === character) {
  	          ++count;
  	          if (count === k)
  	            return index;
  	          leftMostIndexedCharacter = index;
  	        }
  	      return leftMostIndexedCharacter;
  	    },
  	    _splitExtension$1(level) {
  	      var t1, file, lastDot;
  	      if (level <= 0)
  	        throw A.wrapException(A.RangeError$value(level, "level", "level's value must be greater than 0"));
  	      t1 = this.parts;
  	      t1 = new A.CastList(t1, A._arrayInstanceType(t1)._eval$1("CastList<1,String?>"));
  	      file = t1.lastWhere$2$orElse(t1, new A.ParsedPath__splitExtension_closure(), new A.ParsedPath__splitExtension_closure0());
  	      if (file == null)
  	        return A._setArrayType(["", ""], type$.JSArray_String);
  	      if (file === "..")
  	        return A._setArrayType(["..", ""], type$.JSArray_String);
  	      lastDot = this._kthLastIndexOf$3(file, ".", level);
  	      if (lastDot <= 0)
  	        return A._setArrayType([file, ""], type$.JSArray_String);
  	      return A._setArrayType([B.JSString_methods.substring$2(file, 0, lastDot), B.JSString_methods.substring$1(file, lastDot)], type$.JSArray_String);
  	    },
  	    _splitExtension$0() {
  	      return this._splitExtension$1(1);
  	    }
  	  };
  	  A.ParsedPath__splitExtension_closure.prototype = {
  	    call$1(p) {
  	      return p !== "";
  	    },
  	    $signature: 227
  	  };
  	  A.ParsedPath__splitExtension_closure0.prototype = {
  	    call$0() {
  	      return null;
  	    },
  	    $signature: 1
  	  };
  	  A.PathException.prototype = {
  	    toString$0(_) {
  	      return "PathException: " + this.message;
  	    },
  	    $isException: 1,
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.PathMap.prototype = {};
  	  A.PathMap__create_closure.prototype = {
  	    call$2(path1, path2) {
  	      if (path1 == null)
  	        return path2 == null;
  	      if (path2 == null)
  	        return false;
  	      return this._box_0.context._isWithinOrEquals$2(path1, path2) === B._PathRelation_equal;
  	    },
  	    $signature: 398
  	  };
  	  A.PathMap__create_closure0.prototype = {
  	    call$1(path) {
  	      return path == null ? 0 : this._box_0.context.hash$1(path);
  	    },
  	    $signature: 404
  	  };
  	  A.PathMap__create_closure1.prototype = {
  	    call$1(path) {
  	      return typeof path == "string" || path == null;
  	    },
  	    $signature: 456
  	  };
  	  A.Style.prototype = {
  	    toString$0(_) {
  	      return this.get$name(this);
  	    }
  	  };
  	  A.PosixStyle.prototype = {
  	    containsSeparator$1(path) {
  	      return B.JSString_methods.contains$1(path, "/");
  	    },
  	    isSeparator$1(codeUnit) {
  	      return codeUnit === 47;
  	    },
  	    needsSeparator$1(path) {
  	      var t1 = path.length;
  	      return t1 !== 0 && path.charCodeAt(t1 - 1) !== 47;
  	    },
  	    rootLength$2$withDrive(path, withDrive) {
  	      if (path.length !== 0 && path.charCodeAt(0) === 47)
  	        return 1;
  	      return 0;
  	    },
  	    rootLength$1(path) {
  	      return this.rootLength$2$withDrive(path, false);
  	    },
  	    isRootRelative$1(path) {
  	      return false;
  	    },
  	    pathFromUri$1(uri) {
  	      var t1;
  	      if (uri.get$scheme() === "" || uri.get$scheme() === "file") {
  	        t1 = uri.get$path(uri);
  	        return A._Uri__uriDecode(t1, 0, t1.length, B.C_Utf8Codec, false);
  	      }
  	      throw A.wrapException(A.ArgumentError$("Uri " + uri.toString$0(0) + " must have scheme 'file:'.", null));
  	    },
  	    absolutePathToUri$1(path) {
  	      var parsed = A.ParsedPath_ParsedPath$parse(path, this),
  	        t1 = parsed.parts;
  	      if (t1.length === 0)
  	        B.JSArray_methods.addAll$1(t1, A._setArrayType(["", ""], type$.JSArray_String));
  	      else if (parsed.get$hasTrailingSeparator())
  	        B.JSArray_methods.add$1(parsed.parts, "");
  	      return A._Uri__Uri(null, null, parsed.parts, "file");
  	    },
  	    get$name() {
  	      return "posix";
  	    },
  	    get$separator() {
  	      return "/";
  	    }
  	  };
  	  A.UrlStyle.prototype = {
  	    containsSeparator$1(path) {
  	      return B.JSString_methods.contains$1(path, "/");
  	    },
  	    isSeparator$1(codeUnit) {
  	      return codeUnit === 47;
  	    },
  	    needsSeparator$1(path) {
  	      var t1 = path.length;
  	      if (t1 === 0)
  	        return false;
  	      if (path.charCodeAt(t1 - 1) !== 47)
  	        return true;
  	      return B.JSString_methods.endsWith$1(path, "://") && this.rootLength$1(path) === t1;
  	    },
  	    rootLength$2$withDrive(path, withDrive) {
  	      var i, codeUnit, index,
  	        t1 = path.length;
  	      if (t1 === 0)
  	        return 0;
  	      if (path.charCodeAt(0) === 47)
  	        return 1;
  	      for (i = 0; i < t1; ++i) {
  	        codeUnit = path.charCodeAt(i);
  	        if (codeUnit === 47)
  	          return 0;
  	        if (codeUnit === 58) {
  	          if (i === 0)
  	            return 0;
  	          index = B.JSString_methods.indexOf$2(path, "/", B.JSString_methods.startsWith$2(path, "//", i + 1) ? i + 3 : i);
  	          if (index <= 0)
  	            return t1;
  	          if (!withDrive || t1 < index + 3)
  	            return index;
  	          if (!B.JSString_methods.startsWith$1(path, "file://"))
  	            return index;
  	          t1 = A.driveLetterEnd(path, index + 1);
  	          return t1 == null ? index : t1;
  	        }
  	      }
  	      return 0;
  	    },
  	    rootLength$1(path) {
  	      return this.rootLength$2$withDrive(path, false);
  	    },
  	    isRootRelative$1(path) {
  	      return path.length !== 0 && path.charCodeAt(0) === 47;
  	    },
  	    pathFromUri$1(uri) {
  	      return uri.toString$0(0);
  	    },
  	    relativePathToUri$1(path) {
  	      return A.Uri_parse(path);
  	    },
  	    absolutePathToUri$1(path) {
  	      return A.Uri_parse(path);
  	    },
  	    get$name() {
  	      return "url";
  	    },
  	    get$separator() {
  	      return "/";
  	    }
  	  };
  	  A.WindowsStyle.prototype = {
  	    containsSeparator$1(path) {
  	      return B.JSString_methods.contains$1(path, "/");
  	    },
  	    isSeparator$1(codeUnit) {
  	      return codeUnit === 47 || codeUnit === 92;
  	    },
  	    needsSeparator$1(path) {
  	      var t1 = path.length;
  	      if (t1 === 0)
  	        return false;
  	      t1 = path.charCodeAt(t1 - 1);
  	      return !(t1 === 47 || t1 === 92);
  	    },
  	    rootLength$2$withDrive(path, withDrive) {
  	      var index,
  	        t1 = path.length;
  	      if (t1 === 0)
  	        return 0;
  	      if (path.charCodeAt(0) === 47)
  	        return 1;
  	      if (path.charCodeAt(0) === 92) {
  	        if (t1 < 2 || path.charCodeAt(1) !== 92)
  	          return 1;
  	        index = B.JSString_methods.indexOf$2(path, "\\", 2);
  	        if (index > 0) {
  	          index = B.JSString_methods.indexOf$2(path, "\\", index + 1);
  	          if (index > 0)
  	            return index;
  	        }
  	        return t1;
  	      }
  	      if (t1 < 3)
  	        return 0;
  	      if (!A.isAlphabetic(path.charCodeAt(0)))
  	        return 0;
  	      if (path.charCodeAt(1) !== 58)
  	        return 0;
  	      t1 = path.charCodeAt(2);
  	      if (!(t1 === 47 || t1 === 92))
  	        return 0;
  	      return 3;
  	    },
  	    rootLength$1(path) {
  	      return this.rootLength$2$withDrive(path, false);
  	    },
  	    isRootRelative$1(path) {
  	      return this.rootLength$1(path) === 1;
  	    },
  	    pathFromUri$1(uri) {
  	      var path, t1;
  	      if (uri.get$scheme() !== "" && uri.get$scheme() !== "file")
  	        throw A.wrapException(A.ArgumentError$("Uri " + uri.toString$0(0) + " must have scheme 'file:'.", null));
  	      path = uri.get$path(uri);
  	      if (uri.get$host() === "") {
  	        if (path.length >= 3 && B.JSString_methods.startsWith$1(path, "/") && A.driveLetterEnd(path, 1) != null)
  	          path = B.JSString_methods.replaceFirst$2(path, "/", "");
  	      } else
  	        path = "\\\\" + uri.get$host() + path;
  	      t1 = A.stringReplaceAllUnchecked(path, "/", "\\");
  	      return A._Uri__uriDecode(t1, 0, t1.length, B.C_Utf8Codec, false);
  	    },
  	    absolutePathToUri$1(path) {
  	      var rootParts, t2,
  	        parsed = A.ParsedPath_ParsedPath$parse(path, this),
  	        t1 = parsed.root;
  	      t1.toString;
  	      if (B.JSString_methods.startsWith$1(t1, "\\\\")) {
  	        rootParts = new A.WhereIterable(A._setArrayType(t1.split("\\"), type$.JSArray_String), new A.WindowsStyle_absolutePathToUri_closure(), type$.WhereIterable_String);
  	        B.JSArray_methods.insert$2(parsed.parts, 0, rootParts.get$last(0));
  	        if (parsed.get$hasTrailingSeparator())
  	          B.JSArray_methods.add$1(parsed.parts, "");
  	        return A._Uri__Uri(rootParts.get$first(0), null, parsed.parts, "file");
  	      } else {
  	        if (parsed.parts.length === 0 || parsed.get$hasTrailingSeparator())
  	          B.JSArray_methods.add$1(parsed.parts, "");
  	        t1 = parsed.parts;
  	        t2 = parsed.root;
  	        t2.toString;
  	        t2 = A.stringReplaceAllUnchecked(t2, "/", "");
  	        B.JSArray_methods.insert$2(t1, 0, A.stringReplaceAllUnchecked(t2, "\\", ""));
  	        return A._Uri__Uri(null, null, parsed.parts, "file");
  	      }
  	    },
  	    codeUnitsEqual$2(codeUnit1, codeUnit2) {
  	      var upperCase1;
  	      if (codeUnit1 === codeUnit2)
  	        return true;
  	      if (codeUnit1 === 47)
  	        return codeUnit2 === 92;
  	      if (codeUnit1 === 92)
  	        return codeUnit2 === 47;
  	      if ((codeUnit1 ^ codeUnit2) !== 32)
  	        return false;
  	      upperCase1 = codeUnit1 | 32;
  	      return upperCase1 >= 97 && upperCase1 <= 122;
  	    },
  	    pathsEqual$2(path1, path2) {
  	      var t1, i;
  	      if (path1 === path2)
  	        return true;
  	      t1 = path1.length;
  	      if (t1 !== path2.length)
  	        return false;
  	      for (i = 0; i < t1; ++i)
  	        if (!this.codeUnitsEqual$2(path1.charCodeAt(i), path2.charCodeAt(i)))
  	          return false;
  	      return true;
  	    },
  	    canonicalizeCodeUnit$1(codeUnit) {
  	      if (codeUnit === 47)
  	        return 92;
  	      if (codeUnit < 65)
  	        return codeUnit;
  	      if (codeUnit > 90)
  	        return codeUnit;
  	      return codeUnit | 32;
  	    },
  	    canonicalizePart$1(part) {
  	      return part.toLowerCase();
  	    },
  	    get$name() {
  	      return "windows";
  	    },
  	    get$separator() {
  	      return "\\";
  	    }
  	  };
  	  A.WindowsStyle_absolutePathToUri_closure.prototype = {
  	    call$1(part) {
  	      return part !== "";
  	    },
  	    $signature: 4
  	  };
  	  A.Version.prototype = {
  	    get$min() {
  	      return this;
  	    },
  	    get$max() {
  	      return this;
  	    },
  	    get$includeMin() {
  	      return true;
  	    },
  	    get$includeMax() {
  	      return true;
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A.Version && _this.major === other.major && _this.minor === other.minor && _this.patch === other.patch && B.C_IterableEquality.equals$2(0, _this.preRelease, other.preRelease) && B.C_IterableEquality.equals$2(0, _this.build, other.build);
  	    },
  	    get$hashCode(_) {
  	      var _this = this;
  	      return (_this.major ^ _this.minor ^ _this.patch ^ B.C_IterableEquality.hash$1(_this.preRelease) ^ B.C_IterableEquality.hash$1(_this.build)) >>> 0;
  	    },
  	    compareTo$1(_, other) {
  	      var t1, t2, t3, comparison, _this = this;
  	      if (other instanceof A.Version) {
  	        t1 = _this.major;
  	        t2 = other.major;
  	        if (t1 !== t2)
  	          return B.JSInt_methods.compareTo$1(t1, t2);
  	        t1 = _this.minor;
  	        t2 = other.minor;
  	        if (t1 !== t2)
  	          return B.JSInt_methods.compareTo$1(t1, t2);
  	        t1 = _this.patch;
  	        t2 = other.patch;
  	        if (t1 !== t2)
  	          return B.JSInt_methods.compareTo$1(t1, t2);
  	        t1 = _this.preRelease;
  	        t2 = t1.length === 0;
  	        if (t2 && other.preRelease.length !== 0)
  	          return 1;
  	        t3 = other.preRelease;
  	        if (t3.length === 0 && !t2)
  	          return -1;
  	        comparison = _this._compareLists$2(t1, t3);
  	        if (comparison !== 0)
  	          return comparison;
  	        t1 = _this.build;
  	        t2 = t1.length === 0;
  	        if (t2 && other.build.length !== 0)
  	          return -1;
  	        t3 = other.build;
  	        if (t3.length === 0 && !t2)
  	          return 1;
  	        return _this._compareLists$2(t1, t3);
  	      } else
  	        return -other.compareTo$1(0, _this);
  	    },
  	    toString$0(_) {
  	      return this._version$_text;
  	    },
  	    _compareLists$2(a, b) {
  	      var i, t1, t2, aPart, bPart;
  	      for (i = 0; t1 = a.length, t2 = b.length, i < Math.max(t1, t2); ++i) {
  	        aPart = i < t1 ? a[i] : null;
  	        bPart = i < t2 ? b[i] : null;
  	        if (J.$eq$(aPart, bPart))
  	          continue;
  	        if (aPart == null)
  	          return -1;
  	        if (bPart == null)
  	          return 1;
  	        if (typeof aPart == "number")
  	          if (typeof bPart == "number")
  	            return B.JSNumber_methods.compareTo$1(aPart, bPart);
  	          else
  	            return -1;
  	        else if (typeof bPart == "number")
  	          return 1;
  	        else {
  	          A._asString(aPart);
  	          A._asString(bPart);
  	          if (aPart === bPart)
  	            t1 = 0;
  	          else
  	            t1 = aPart < bPart ? -1 : 1;
  	          return t1;
  	        }
  	      }
  	      return 0;
  	    },
  	    $isComparable: 1,
  	    $isVersionRange: 1
  	  };
  	  A.Version__splitParts_closure.prototype = {
  	    call$1(part) {
  	      var t1 = A.Primitives_parseInt(part, null);
  	      return t1 == null ? part : t1;
  	    },
  	    $signature: 476
  	  };
  	  A.VersionRange.prototype = {
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      if (!type$.VersionRange._is(other))
  	        return false;
  	      t1 = false;
  	      if (this.min == other.get$min())
  	        if (J.$eq$(this.max, other.get$max())) {
  	          t1 = !other.get$includeMin();
  	          if (t1)
  	            other.get$includeMax();
  	        }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = B.JSNull_methods.get$hashCode(this.min),
  	        t2 = J.get$hashCode$(this.max);
  	      return (t1 ^ t2 * 3 ^ 1090795 ^ 3633126) >>> 0;
  	    },
  	    allows$1(other) {
  	      var t1 = this.max;
  	      if (t1 != null)
  	        if (other.compareTo$1(0, t1) > 0)
  	          return false;
  	      return true;
  	    },
  	    compareTo$1(_, other) {
  	      if (other.get$min() == null)
  	        return this._compareMax$1(other);
  	      return -1;
  	    },
  	    _compareMax$1(other) {
  	      var t2, result,
  	        t1 = this.max;
  	      if (t1 == null) {
  	        if (other.get$max() == null)
  	          return 0;
  	        return 1;
  	      } else if (other.get$max() == null)
  	        return -1;
  	      t2 = other.get$max();
  	      t2.toString;
  	      result = t1.compareTo$1(0, t2);
  	      if (result !== 0)
  	        return result;
  	      other.get$includeMax();
  	      return 0;
  	    },
  	    toString$0(_) {
  	      var t2,
  	        max = this.max,
  	        t1 = max == null;
  	      if (!t1)
  	        t2 = "<=" + max.toString$0(0);
  	      else
  	        t2 = "";
  	      t1 = t1 ? t2 + "any" : t2;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    $isComparable: 1,
  	    get$min() {
  	      return this.min;
  	    },
  	    get$max() {
  	      return this.max;
  	    },
  	    get$includeMin() {
  	      return this.includeMin;
  	    },
  	    get$includeMax() {
  	      return this.includeMax;
  	    }
  	  };
  	  A.CssMediaQuery.prototype = {
  	    merge$1(other) {
  	      var t1, ourModifier, t2, t3, ourType, t4, theirModifier, t5, t6, theirType, t7, t8, negativeConditions, conditions, type, modifier, fewerConditions, fewerConditions0, moreConditions, _this = this, _null = null, _s3_ = "all";
  	      if (!_this.conjunction || !other.conjunction)
  	        return B._SingletonCssMediaQueryMergeResult_1;
  	      t1 = _this.modifier;
  	      ourModifier = t1 == null ? _null : t1.toLowerCase();
  	      t2 = _this.type;
  	      t3 = t2 == null;
  	      ourType = t3 ? _null : t2.toLowerCase();
  	      t4 = other.modifier;
  	      theirModifier = t4 == null ? _null : t4.toLowerCase();
  	      t5 = other.type;
  	      t6 = t5 == null;
  	      theirType = t6 ? _null : t5.toLowerCase();
  	      t7 = ourType == null;
  	      if (t7 && theirType == null) {
  	        t1 = A.List_List$_of(_this.conditions, type$.String);
  	        B.JSArray_methods.addAll$1(t1, other.conditions);
  	        return new A.MediaQuerySuccessfulMergeResult(A.CssMediaQuery$condition(t1, true));
  	      }
  	      t8 = ourModifier === "not";
  	      if (t8 !== (theirModifier === "not")) {
  	        if (ourType == theirType) {
  	          negativeConditions = t8 ? _this.conditions : other.conditions;
  	          if (B.JSArray_methods.every$1(negativeConditions, B.JSArray_methods.get$contains(t8 ? other.conditions : _this.conditions)))
  	            return B._SingletonCssMediaQueryMergeResult_0;
  	          else
  	            return B._SingletonCssMediaQueryMergeResult_1;
  	        } else if (t3 || A.equalsIgnoreCase(t2, _s3_) || t6 || A.equalsIgnoreCase(t5, _s3_))
  	          return B._SingletonCssMediaQueryMergeResult_1;
  	        if (t8) {
  	          conditions = other.conditions;
  	          type = theirType;
  	          modifier = theirModifier;
  	        } else {
  	          conditions = _this.conditions;
  	          type = ourType;
  	          modifier = ourModifier;
  	        }
  	      } else if (t8) {
  	        if (ourType != theirType)
  	          return B._SingletonCssMediaQueryMergeResult_1;
  	        fewerConditions = _this.conditions;
  	        fewerConditions0 = other.conditions;
  	        t3 = fewerConditions.length > fewerConditions0.length;
  	        moreConditions = t3 ? fewerConditions : fewerConditions0;
  	        if (t3)
  	          fewerConditions = fewerConditions0;
  	        if (!B.JSArray_methods.every$1(fewerConditions, B.JSArray_methods.get$contains(moreConditions)))
  	          return B._SingletonCssMediaQueryMergeResult_1;
  	        conditions = moreConditions;
  	        type = ourType;
  	        modifier = ourModifier;
  	      } else if (t3 || A.equalsIgnoreCase(t2, _s3_)) {
  	        type = (t6 || A.equalsIgnoreCase(t5, _s3_)) && t7 ? _null : theirType;
  	        t3 = A.List_List$_of(_this.conditions, type$.String);
  	        B.JSArray_methods.addAll$1(t3, other.conditions);
  	        conditions = t3;
  	        modifier = theirModifier;
  	      } else {
  	        if (t6 || A.equalsIgnoreCase(t5, _s3_)) {
  	          t3 = A.List_List$_of(_this.conditions, type$.String);
  	          B.JSArray_methods.addAll$1(t3, other.conditions);
  	          conditions = t3;
  	          modifier = ourModifier;
  	        } else {
  	          if (ourType != theirType)
  	            return B._SingletonCssMediaQueryMergeResult_0;
  	          else {
  	            modifier = ourModifier == null ? theirModifier : ourModifier;
  	            t3 = A.List_List$_of(_this.conditions, type$.String);
  	            B.JSArray_methods.addAll$1(t3, other.conditions);
  	          }
  	          conditions = t3;
  	        }
  	        type = ourType;
  	      }
  	      t2 = type == ourType ? t2 : t5;
  	      return new A.MediaQuerySuccessfulMergeResult(A.CssMediaQuery$type(t2, conditions, modifier == ourModifier ? t1 : t4));
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CssMediaQuery && other.modifier == this.modifier && other.type == this.type && B.C_ListEquality.equals$2(0, other.conditions, this.conditions);
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.modifier) ^ J.get$hashCode$(this.type) ^ B.C_ListEquality0.hash$1(this.conditions);
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = _this.modifier;
  	      t1 = t1 != null ? t1 + " " : "";
  	      t2 = _this.type;
  	      if (t2 != null) {
  	        t1 += t2;
  	        if (_this.conditions.length !== 0)
  	          t1 += " and ";
  	      }
  	      t2 = _this.conjunction ? " and " : " or ";
  	      t2 = t1 + B.JSArray_methods.join$1(_this.conditions, t2);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    }
  	  };
  	  A._SingletonCssMediaQueryMergeResult.prototype = {
  	    _enumToString$0() {
  	      return "_SingletonCssMediaQueryMergeResult." + this._name;
  	    }
  	  };
  	  A.MediaQuerySuccessfulMergeResult.prototype = {
  	    toString$0(_) {
  	      return this.query.toString$0(0);
  	    }
  	  };
  	  A.ModifiableCssAtRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssAtRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.ModifiableCssAtRule) {
  	        t1 = this.name;
  	        t2 = other.name;
  	        t1 = t1.$ti._is(t2) && J.$eq$(t2.value, t1.value) && J.$eq$(this.value, other.value) && this.isChildless === other.isChildless;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      var _this = this;
  	      return A.ModifiableCssAtRule$(_this.name, _this.span, _this.isChildless, _this.value);
  	    },
  	    addChild$1(child) {
  	      this.super$ModifiableCssParentNode$addChild(child);
  	    },
  	    get$isChildless() {
  	      return this.isChildless;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssComment.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssComment$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $isCssComment: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssDeclaration.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssDeclaration$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + ": " + this.value.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssImport.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssImport$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssKeyframeBlock.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssKeyframeBlock$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssKeyframeBlock && B.C_ListEquality.equals$2(0, this.selector.value, other.selector.value);
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssKeyframeBlock$(this.selector, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssMediaRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssMediaRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssMediaRule && B.C_ListEquality.equals$2(0, this.queries, other.queries);
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssMediaRule$(this.queries, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssNode.prototype = {
  	    get$hasFollowingSibling() {
  	      var t2,
  	        t1 = this._parent;
  	      if (t1 == null)
  	        t1 = null;
  	      else {
  	        t1 = t1.children;
  	        t2 = this._indexInParent;
  	        t2.toString;
  	        t1 = A.SubListIterable$(t1, t2 + 1, null, t1.$ti._eval$1("ListBase.E")).any$1(0, new A.ModifiableCssNode_hasFollowingSibling_closure());
  	      }
  	      return t1 === true;
  	    },
  	    get$isGroupEnd() {
  	      return this.isGroupEnd;
  	    }
  	  };
  	  A.ModifiableCssNode_hasFollowingSibling_closure.prototype = {
  	    call$1(sibling) {
  	      return !sibling.accept$1(B._IsInvisibleVisitor_true_false);
  	    },
  	    $signature: 599
  	  };
  	  A.ModifiableCssParentNode.prototype = {
  	    get$isChildless() {
  	      return false;
  	    },
  	    addChild$1(child) {
  	      var t1;
  	      child._parent = this;
  	      t1 = this._children;
  	      child._indexInParent = t1.length;
  	      t1.push(child);
  	    },
  	    clearChildren$0() {
  	      var t1, t2, _i, child;
  	      for (t1 = this._children, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        child = t1[_i];
  	        child._indexInParent = child._parent = null;
  	      }
  	      B.JSArray_methods.clear$0(t1);
  	    },
  	    $isCssParentNode: 1,
  	    get$children(receiver) {
  	      return this.children;
  	    }
  	  };
  	  A.ModifiableCssStyleRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStyleRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1;
  	      if (other instanceof A.ModifiableCssStyleRule)
  	        t1 = B.C_ListEquality.equals$2(0, other._style_rule$_selector._box$_inner.value.components, this._style_rule$_selector._box$_inner.value.components);
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssStyleRule$(this._style_rule$_selector, this.span, false, this.originalSelector);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssStylesheet.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStylesheet$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssStylesheet;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssStylesheet$(this.span);
  	    },
  	    $isCssStylesheet: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssSupportsRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssSupportsRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.ModifiableCssSupportsRule) {
  	        t1 = this.condition;
  	        t2 = other.condition;
  	        t1 = t1.$ti._is(t2) && J.$eq$(t2.value, t1.value);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssSupportsRule$(this.condition, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.CssNode.prototype = {
  	    toString$0(_) {
  	      var _null = null;
  	      return A.serialize(this, true, _null, true, _null, _null, false, _null, true)._0;
  	    },
  	    $isAstNode: 1
  	  };
  	  A.CssParentNode.prototype = {};
  	  A._IsInvisibleVisitor.prototype = {
  	    visitCssAtRule$1(rule) {
  	      return false;
  	    },
  	    visitCssComment$1(comment) {
  	      return this.includeComments && comment.text.charCodeAt(2) !== 33;
  	    },
  	    visitCssStyleRule$1(rule) {
  	      var t1 = rule._style_rule$_selector._box$_inner;
  	      return (this.includeBogus ? t1.value.accept$1(B._IsInvisibleVisitor_true) : t1.value.accept$1(B._IsInvisibleVisitor_false)) || this.super$EveryCssVisitor$visitCssStyleRule(rule);
  	    }
  	  };
  	  A.__IsInvisibleVisitor_Object_EveryCssVisitor.prototype = {};
  	  A.CssStylesheet.prototype = {
  	    get$isGroupEnd() {
  	      return false;
  	    },
  	    get$isChildless() {
  	      return false;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStylesheet$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$children(receiver) {
  	      return this.children;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.CssValue.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return this.$ti._is(other) && J.$eq$(other.value, this.value);
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.value);
  	    },
  	    toString$0(_) {
  	      return J.toString$0$(this.value);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._FakeAstNode.prototype = {
  	    get$span(_) {
  	      return this._callback.call$0();
  	    },
  	    $isAstNode: 1
  	  };
  	  A.ArgumentList.prototype = {
  	    get$isEmpty(_) {
  	      var t1;
  	      if (this.positional.length === 0) {
  	        t1 = this.named;
  	        t1 = t1.get$isEmpty(t1) && this.rest == null;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i, _1_0, _2_0, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = _this.positional, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t1.push(_this._parenthesizeArgument$1(t2[_i]));
  	      for (t2 = A.MapExtensions_get_pairs(_this.named, type$.String, type$.Expression), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push("$" + t3._0 + ": " + _this._parenthesizeArgument$1(t3._1));
  	      }
  	      _1_0 = _this.rest;
  	      if (_1_0 != null)
  	        t1.push(_this._parenthesizeArgument$1(_1_0) + "...");
  	      _2_0 = _this.keywordRest;
  	      if (_2_0 != null)
  	        t1.push(_this._parenthesizeArgument$1(_2_0) + "...");
  	      return "(" + B.JSArray_methods.join$1(t1, ", ") + ")";
  	    },
  	    _parenthesizeArgument$1(argument) {
  	      var t1;
  	      $label0$0: {
  	        if (argument instanceof A.ListExpression && B.ListSeparator_z0K === argument.separator && !argument.hasBrackets && argument.contents.length >= 2) {
  	          t1 = "(" + argument.toString$0(0) + ")";
  	          break $label0$0;
  	        }
  	        t1 = argument.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.AtRootQuery.prototype = {
  	    excludes$1(node) {
  	      var t1, _this = this;
  	      if (_this._all)
  	        return !_this.include;
  	      $label0$0: {
  	        if (node instanceof A.ModifiableCssStyleRule) {
  	          t1 = _this._at_root_query$_rule !== _this.include;
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssMediaRule) {
  	          t1 = _this.excludesName$1("media");
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssSupportsRule) {
  	          t1 = _this.excludesName$1("supports");
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssAtRule) {
  	          t1 = _this.excludesName$1(node.name.value.toLowerCase());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    excludesName$1($name) {
  	      var t1 = this._all || this.names.contains$1(0, $name);
  	      return t1 !== this.include;
  	    }
  	  };
  	  A.BooleanOperator.prototype = {
  	    _enumToString$0() {
  	      return "BooleanOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._name;
  	    }
  	  };
  	  A.ConfiguredVariable.prototype = {
  	    toString$0(_) {
  	      var t1 = this.expression.toString$0(0),
  	        t2 = this.isGuarded ? " !default" : "";
  	      return "$" + this.name + ": " + t1 + t2;
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Expression.prototype = {$isAstNode: 1};
  	  A.BinaryOperationExpression.prototype = {
  	    get$span(_) {
  	      var right,
  	        left = this.left;
  	      while (left instanceof A.BinaryOperationExpression)
  	        left = left.left;
  	      right = this.right;
  	      while (right instanceof A.BinaryOperationExpression)
  	        right = right.right;
  	      return left.get$span(left).expand$1(0, right.get$span(right));
  	    },
  	    get$operatorSpan() {
  	      var t3, t4,
  	        t1 = this.left,
  	        t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = this.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 === t4.get$file(t4)) {
  	        t2 = t1.get$span(t1);
  	        t2 = t2.get$end(t2);
  	        t4 = t3.get$span(t3);
  	        t4 = t2.offset < t4.get$start(t4).offset;
  	        t2 = t4;
  	      } else
  	        t2 = false;
  	      if (t2) {
  	        t2 = t1.get$span(t1);
  	        t2 = t2.get$file(t2);
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$end(t1);
  	        t3 = t3.get$span(t3);
  	        t3 = A.SpanExtensions_trimRight(A.SpanExtensions_trimLeft(t2.span$2(0, t1.offset, t3.get$start(t3).offset)));
  	        t1 = t3;
  	      } else
  	        t1 = this.get$span(0);
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitBinaryOperationExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1, t2, t3, right, operator, _this = this,
  	        _0_0 = _this.left;
  	      $label0$0: {
  	        if (_0_0 instanceof A.BinaryOperationExpression) {
  	          t1 = _0_0.operator.precedence < _this.operator.precedence;
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.ListExpression && !_0_0.hasBrackets && _0_0.contents.length >= 2) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      t2 = t1 ? A.Primitives_stringFromCharCode(40) : "";
  	      t2 += _0_0.toString$0(0);
  	      t1 = t1 ? t2 + A.Primitives_stringFromCharCode(41) : t2;
  	      t2 = A.Primitives_stringFromCharCode(32);
  	      t3 = _this.operator;
  	      t2 = t1 + t2 + t3.operator + t2;
  	      right = _this.right;
  	      $label1$1: {
  	        t1 = false;
  	        if (right instanceof A.BinaryOperationExpression) {
  	          operator = right.operator;
  	          if (operator.precedence <= t3.precedence)
  	            t1 = !(operator === t3 && operator.isAssociative);
  	          break $label1$1;
  	        }
  	        if (right instanceof A.ListExpression && !right.hasBrackets && right.contents.length >= 2) {
  	          t1 = true;
  	          break $label1$1;
  	        }
  	        break $label1$1;
  	      }
  	      if (t1)
  	        t2 += A.Primitives_stringFromCharCode(40);
  	      t2 += right.toString$0(0);
  	      t1 = t1 ? t2 + A.Primitives_stringFromCharCode(41) : t2;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.BinaryOperator.prototype = {
  	    _enumToString$0() {
  	      return "BinaryOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.BooleanExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitBooleanExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return String(this.value);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ColorExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitColorExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue(this.value, true, true);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.FunctionExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitFunctionExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace;
  	      t1 = t1 != null ? t1 + "." : "";
  	      t1 += this.originalName + this.$arguments.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitIfExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1, t2, first, _i, t3, t4, condition;
  	      for (t1 = this.branches, t2 = t1.length, first = true, _i = 0, t3 = "if("; _i < t2; ++_i) {
  	        t4 = t1[_i];
  	        condition = t4._0;
  	        if (first)
  	          first = false;
  	        else
  	          t3 += "; ";
  	        t3 = t3 + A.S(condition == null ? "else" : condition) + ": " + t4._1.toString$0(0);
  	      }
  	      t1 = t3 + A.Primitives_stringFromCharCode(41);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionExpression.prototype = {
  	    get$isArbitrarySubstitution() {
  	      return false;
  	    },
  	    $isAstNode: 1
  	  };
  	  A.IfConditionParenthesized.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = A.Primitives_stringFromCharCode(40);
  	      t1._contents += t3;
  	      t2.addInterpolation$1(this.expression.toInterpolation$1(arbitrarySubstitution));
  	      t3 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t3;
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionParenthesized$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionNegation.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t1._contents = "not ";
  	      t2.addInterpolation$1(this.expression.toInterpolation$1(arbitrarySubstitution));
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionNegation$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "not " + this.expression.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionOperation.prototype = {
  	    get$span(_) {
  	      var t1 = this.expressions,
  	        t2 = B.JSArray_methods.get$first(t1);
  	      t2 = t2.get$span(t2);
  	      t1 = B.JSArray_methods.get$last(t1);
  	      return t2.expand$1(0, t1.get$span(t1));
  	    },
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t2, t3, t4, first, _i, expression,
  	        t1 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      for (t2 = this.expressions, t3 = t2.length, t4 = this.op, first = true, _i = 0; _i < t3; ++_i) {
  	        expression = t2[_i];
  	        if (first)
  	          first = false;
  	        else
  	          t1._contents += " " + t4.toString$0(0) + " ";
  	        buffer.addInterpolation$1(expression.toInterpolation$1(arbitrarySubstitution));
  	      }
  	      return buffer.interpolation$1(new A.LazyFileSpan(new A.IfConditionOperation_toInterpolation_closure(this)));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionOperation$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.expressions, " " + this.op.toString$0(0) + " ");
  	    }
  	  };
  	  A.IfConditionOperation_toInterpolation_closure.prototype = {
  	    call$0() {
  	      return this.$this.get$span(0);
  	    },
  	    $signature: 16
  	  };
  	  A.IfConditionFunction.prototype = {
  	    get$isArbitrarySubstitution() {
  	      var t2,
  	        t1 = this.name.get$asPlain(),
  	        _0_0 = t1 == null ? null : t1.toLowerCase();
  	      $label0$0: {
  	        t1 = true;
  	        if ("if" === _0_0 || "var" === _0_0 || "attr" === _0_0)
  	          break $label0$0;
  	        if (_0_0 != null)
  	          t2 = B.JSString_methods.startsWith$1(_0_0, "--");
  	        else
  	          t2 = false;
  	        if (t2)
  	          break $label0$0;
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    toInterpolation$1(_) {
  	      var t3,
  	        t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t2.addInterpolation$1(this.name);
  	      t3 = A.Primitives_stringFromCharCode(40);
  	      t1._contents += t3;
  	      t2.addInterpolation$1(this.$arguments);
  	      t3 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t3;
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionFunction$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + "(" + this.$arguments.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionSass.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      return A.throwExpression(A.MultiSourceSpanFormatException$(string$.if___c, arbitrarySubstitution.get$span(arbitrarySubstitution), "arbitrary substitution", A.LinkedHashMap_LinkedHashMap$_literal([this.span, "sass() expression"], type$.SourceSpan, type$.String), null));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionSass$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "sass(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionRaw.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    get$isArbitrarySubstitution() {
  	      return true;
  	    },
  	    toInterpolation$1(_) {
  	      return this.text;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionRaw$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text.toString$0(0);
  	    }
  	  };
  	  A.InterpolatedFunctionExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitInterpolatedFunctionExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + this.$arguments.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.LegacyIfExpression.prototype = {
  	    get$modernSuggestion() {
  	      var _0_1, ifTrue, ifFalse, t1, condition, _null = null,
  	        _0_0 = this.$arguments;
  	      $label0$0: {
  	        _0_1 = _0_0.positional;
  	        ifTrue = _null;
  	        ifFalse = _null;
  	        t1 = false;
  	        if (_0_1.length === 3) {
  	          condition = _0_1[0];
  	          ifTrue = _0_1[1];
  	          ifFalse = _0_1[2];
  	          t1 = _0_0.named;
  	          t1 = t1.get$isEmpty(t1) && _0_0.rest == null;
  	        } else
  	          condition = _null;
  	        if (t1) {
  	          if (ifFalse instanceof A.NullExpression)
  	            t1 = "if(sass(" + A.S(condition) + "): " + A.S(ifTrue) + ")";
  	          else
  	            t1 = ifTrue instanceof A.NullExpression ? "if(not sass(" + A.S(condition) + "): " + A.S(ifFalse) + ")" : "if(sass(" + A.S(condition) + "): " + A.S(ifTrue) + "; else: " + A.S(ifFalse) + ")";
  	          break $label0$0;
  	        }
  	        t1 = _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitLegacyIfExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "if" + this.$arguments.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ListExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitListExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, t3, t4, t5, _this = this,
  	        t1 = _this.hasBrackets;
  	      if (t1)
  	        t2 = A.Primitives_stringFromCharCode(91);
  	      else {
  	        t2 = _this.contents.length;
  	        if (t2 !== 0)
  	          t2 = t2 === 1 && _this.separator === B.ListSeparator_z0K;
  	        else
  	          t2 = true;
  	        t2 = t2 ? A.Primitives_stringFromCharCode(40) : "";
  	      }
  	      t3 = _this.contents;
  	      t4 = _this.separator === B.ListSeparator_z0K;
  	      t5 = t4 ? ", " : " ";
  	      t5 = t2 + new A.MappedListIterable(t3, new A.ListExpression_toString_closure(_this), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,String>")).join$1(0, t5);
  	      if (t1)
  	        t1 = t5 + A.Primitives_stringFromCharCode(93);
  	      else {
  	        t1 = t3.length;
  	        if (t1 === 0)
  	          t1 = t5 + A.Primitives_stringFromCharCode(41);
  	        else
  	          t1 = t1 === 1 && t4 ? t5 + ",)" : t5;
  	      }
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _list0$_elementNeedsParens$1(expression) {
  	      var childSeparator, t1, _0_13;
  	      $label0$0: {
  	        if (expression instanceof A.ListExpression && expression.contents.length >= 2 && !expression.hasBrackets) {
  	          childSeparator = expression.separator;
  	          t1 = this.separator === B.ListSeparator_z0K ? childSeparator === B.ListSeparator_z0K : childSeparator !== B.ListSeparator_undecided_null_3_undecided;
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.UnaryOperationExpression) {
  	          _0_13 = expression.operator;
  	          if (B.UnaryOperator_n2K !== _0_13)
  	            t1 = B.UnaryOperator_hCO === _0_13;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = this.separator === B.ListSeparator_SrV;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ListExpression_toString_closure.prototype = {
  	    call$1(element) {
  	      return this.$this._list0$_elementNeedsParens$1(element) ? "(" + element.toString$0(0) + ")" : element.toString$0(0);
  	    },
  	    $signature: 133
  	  };
  	  A.MapExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitMapExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i, t4,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = this.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        t1.push(t4._0.toString$0(0) + ": " + t4._1.toString$0(0));
  	      }
  	      return "(" + B.JSArray_methods.join$1(t1, ", ") + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.NullExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitNullExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "null";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.NumberExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitNumberExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue(A.SassNumber_SassNumber(this.value, this.unit), true, true);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParenthesizedExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitParenthesizedExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SelectorExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSelectorExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "&";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StringExpression.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitStringExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    asInterpolation$1$static($static) {
  	      var t1, t2, quote, t3, t4, t5, buffer, t6, t7, i, value, t8;
  	      if (!this.hasQuotes)
  	        return this.text;
  	      t1 = this.text;
  	      t2 = t1.contents;
  	      quote = A.StringExpression__bestQuote(new A.WhereTypeIterable(t2, type$.WhereTypeIterable_String));
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      t6 = A.Primitives_stringFromCharCode(quote);
  	      t3._contents += t6;
  	      for (t7 = t2.length, i = 0; i < t7; ++i) {
  	        value = t2[i];
  	        if (value instanceof A.Expression) {
  	          t8 = t1.spanForElement$1(i);
  	          buffer._flushText$0();
  	          t4.push(value);
  	          t5.push(t8);
  	          continue;
  	        }
  	        if (typeof value == "string")
  	          A.StringExpression__quoteInnerText(value, quote, buffer, $static);
  	      }
  	      t3._contents += t6;
  	      return buffer.interpolation$1(t1.span);
  	    },
  	    asInterpolation$0() {
  	      return this.asInterpolation$1$static(false);
  	    },
  	    toString$0(_) {
  	      return this.asInterpolation$0().toString$0(0);
  	    }
  	  };
  	  A.SupportsExpression.prototype = {
  	    get$span(_) {
  	      var t1 = this.condition;
  	      return t1.get$span(t1);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitSupportsExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.condition.toString$0(0);
  	    }
  	  };
  	  A.UnaryOperationExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitUnaryOperationExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var operand,
  	        t1 = this.operator,
  	        t2 = t1.operator;
  	      t1 = t1 === B.UnaryOperator_not_not_3_not ? t2 + A.Primitives_stringFromCharCode(32) : t2;
  	      operand = this.operand;
  	      $label0$0: {
  	        t2 = true;
  	        if (!(operand instanceof A.BinaryOperationExpression))
  	          if (!(operand instanceof A.UnaryOperationExpression))
  	            t2 = operand instanceof A.ListExpression && !operand.hasBrackets && operand.contents.length >= 2;
  	        break $label0$0;
  	      }
  	      if (t2)
  	        t1 += "40";
  	      t1 += operand.toString$0(0);
  	      if (t2)
  	        t1 += "41";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.UnaryOperator.prototype = {
  	    _enumToString$0() {
  	      return "UnaryOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.ValueExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitValueExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.value.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.VariableExpression.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitVariableExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.span.get$text();
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.DynamicImport.prototype = {
  	    toString$0(_) {
  	      return A.StringExpression_quoteText(this.urlString);
  	    },
  	    $isAstNode: 1,
  	    $isImport: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StaticImport.prototype = {
  	    toString$0(_) {
  	      var t1 = this.url.toString$0(0),
  	        t2 = this.modifiers;
  	      return t1 + (t2 == null ? "" : " " + t2.toString$0(0));
  	    },
  	    $isAstNode: 1,
  	    $isImport: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Interpolation.prototype = {
  	    get$asPlain() {
  	      var _0_1, t1, _0_6_isSet, _0_6, first,
  	        _0_0 = this.contents;
  	      $label0$0: {
  	        _0_1 = _0_0.length;
  	        if (_0_1 <= 0) {
  	          t1 = "";
  	          break $label0$0;
  	        }
  	        _0_6_isSet = _0_1 === 1;
  	        if (_0_6_isSet) {
  	          _0_6 = _0_0[0];
  	          t1 = typeof _0_6 == "string";
  	        } else {
  	          _0_6 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          first = A._asString(_0_6_isSet ? _0_6 : _0_0[0]);
  	          t1 = first;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$initialPlain() {
  	      var _0_4_isSet, _0_4, t1, first,
  	        _0_0 = this.contents;
  	      $label0$0: {
  	        _0_4_isSet = _0_0.length >= 1;
  	        if (_0_4_isSet) {
  	          _0_4 = _0_0[0];
  	          t1 = typeof _0_4 == "string";
  	        } else {
  	          _0_4 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          first = A._asString(_0_4_isSet ? _0_4 : _0_0[0]);
  	          t1 = first;
  	          break $label0$0;
  	        }
  	        t1 = "";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    spanForElement$1(index) {
  	      var t1, t2, t3, t4, t5, _this = this;
  	      $label0$0: {
  	        if (typeof _this.contents[index] == "string") {
  	          t1 = _this.span;
  	          t2 = t1.get$file(t1);
  	          if (index === 0)
  	            t3 = t1.get$start(t1);
  	          else {
  	            t3 = _this.spans[index - 1];
  	            t3 = t3.get$end(t3);
  	          }
  	          t4 = index + 1;
  	          t5 = _this.spans;
  	          if (t4 === t5.length)
  	            t1 = t1.get$end(t1);
  	          else {
  	            t1 = t5[t4];
  	            t1 = t1.get$start(t1);
  	          }
  	          t1 = t2.span$2(0, t3.offset, t1.offset);
  	          break $label0$0;
  	        }
  	        t1 = _this.spans[index];
  	        t1.toString;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    Interpolation$3(contents, spans, span) {
  	      var t1, t2, t3, t4, i, t5, isString, _s5_ = "spans",
  	        _s8_ = "contents";
  	      if (spans.length !== J.get$length$asx(contents))
  	        throw A.wrapException(A.ArgumentError$value(this.spans, _s5_, "Must be the same length as contents."));
  	      for (t1 = this.contents, t2 = t1.length, t3 = spans.length, t4 = this.spans, i = 0; i < t2; ++i) {
  	        t5 = t1[i];
  	        isString = typeof t5 == "string";
  	        if (!isString && !(t5 instanceof A.Expression))
  	          throw A.wrapException(A.ArgumentError$value(t1, _s8_, "May only contain Strings or Expressions."));
  	        else if (isString) {
  	          if (i !== 0 && typeof t1[i - 1] == "string")
  	            throw A.wrapException(A.ArgumentError$value(t1, _s8_, "May not contain adjacent Strings."));
  	          else if (i < t3 && t4[i] != null)
  	            throw A.wrapException(A.ArgumentError$value(t4, _s5_, string$.May_no + i + ")."));
  	        } else if (i >= t3 || t4[i] == null)
  	          throw A.wrapException(A.ArgumentError$value(t4, _s5_, string$.Must_n + i + ")."));
  	      }
  	    },
  	    toString$0(_) {
  	      var t1 = this.contents;
  	      return new A.MappedListIterable(t1, new A.Interpolation_toString_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Interpolation_toString_closure.prototype = {
  	    call$1(value) {
  	      return typeof value == "string" ? value : "#{" + A.S(value) + "}";
  	    },
  	    $signature: 132
  	  };
  	  A.Parameter.prototype = {
  	    toString$0(_) {
  	      var t1 = this.defaultValue,
  	        t2 = this.name;
  	      return t1 == null ? t2 : t2 + ": " + t1.toString$0(0);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParameterList.prototype = {
  	    get$spanWithName() {
  	      var t2, t3,
  	        t1 = this.span,
  	        text = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null),
  	        i = t1.get$start(t1).offset - 1;
  	      for (;;) {
  	        if (i > 0) {
  	          t2 = text.charCodeAt(i);
  	          t2 = t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	        --i;
  	      }
  	      t2 = text.charCodeAt(i);
  	      if (!(t2 === 95 || A.CharacterExtension_get_isAlphabetic(t2) || t2 >= 128))
  	        t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	      else
  	        t2 = true;
  	      if (!t2)
  	        return t1;
  	      --i;
  	      for (;;) {
  	        if (i >= 0) {
  	          t2 = text.charCodeAt(i);
  	          if (t2 !== 95) {
  	            if (!(t2 >= 97 && t2 <= 122))
  	              t3 = t2 >= 65 && t2 <= 90;
  	            else
  	              t3 = true;
  	            t3 = t3 || t2 >= 128;
  	          } else
  	            t3 = true;
  	          if (!t3)
  	            t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	        --i;
  	      }
  	      t2 = i + 1;
  	      t3 = text.charCodeAt(t2);
  	      if (!(t3 === 95 || A.CharacterExtension_get_isAlphabetic(t3) || t3 >= 128))
  	        return t1;
  	      return A.SpanExtensions_trimRight(A.SpanExtensions_trimLeft(t1.get$file(t1).span$2(0, t2, t1.get$end(t1).offset)));
  	    },
  	    verify$2(positional, names) {
  	      var t1, t2, t3, namedUsed, i, parameter, t4, unknownNames, _this = this,
  	        _s10_ = "invocation";
  	      for (t1 = _this.parameters, t2 = t1.length, t3 = names._baseMap, namedUsed = 0, i = 0; i < t2; ++i) {
  	        parameter = t1[i];
  	        if (i < positional) {
  	          t4 = parameter.name;
  	          if (t3.containsKey$1(t4))
  	            throw A.wrapException(A.SassScriptException$("Argument " + _this._originalParameterName$1(t4) + string$.x20was_p, null));
  	        } else {
  	          t4 = parameter.name;
  	          if (t3.containsKey$1(t4))
  	            ++namedUsed;
  	          else if (parameter.defaultValue == null)
  	            throw A.wrapException(A.MultiSpanSassScriptException$("Missing argument " + _this._originalParameterName$1(t4) + ".", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, type$.String)));
  	        }
  	      }
  	      if (_this.restParameter != null)
  	        return;
  	      if (positional > t2) {
  	        t1 = names.get$isEmpty(0) ? "" : "positional ";
  	        throw A.wrapException(A.MultiSpanSassScriptException$("Only " + t2 + " " + t1 + A.pluralize("argument", t2, null) + " allowed, but " + positional + " " + A.pluralize("was", positional, "were") + " passed.", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, type$.String)));
  	      }
  	      if (namedUsed < t3.get$length(t3)) {
  	        t2 = type$.String;
  	        unknownNames = A.LinkedHashSet_LinkedHashSet$of(names, t2);
  	        unknownNames.removeAll$1(new A.MappedListIterable(t1, new A.ParameterList_verify_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Object?>")));
  	        throw A.wrapException(A.MultiSpanSassScriptException$("No " + A.pluralize("parameter", unknownNames._collection$_length, null) + " named " + A.toSentence(unknownNames.map$1$1(0, new A.ParameterList_verify_closure0(), type$.Object), "or") + ".", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, t2)));
  	      }
  	    },
  	    _originalParameterName$1($name) {
  	      var text, t1, t2, _i, parameter, end;
  	      if ($name === this.restParameter) {
  	        text = this.span.get$text();
  	        return B.JSString_methods.substring$2(B.JSString_methods.substring$1(text, B.JSString_methods.lastIndexOf$1(text, "$")), 0, B.JSString_methods.indexOf$1(text, "."));
  	      }
  	      for (t1 = this.parameters, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        parameter = t1[_i];
  	        if (parameter.name === $name) {
  	          t1 = parameter.span;
  	          if (parameter.defaultValue == null)
  	            t1 = t1.get$text();
  	          else {
  	            text = t1.get$text();
  	            t1 = B.JSString_methods.substring$2(text, 0, B.JSString_methods.indexOf$1(text, ":"));
  	            end = A._lastNonWhitespace(t1, false);
  	            t1 = end == null ? "" : B.JSString_methods.substring$2(t1, 0, end + 1);
  	          }
  	          return t1;
  	        }
  	      }
  	      throw A.wrapException(A.ArgumentError$(string$.This_d + $name + '".', null));
  	    },
  	    matches$2(positional, names) {
  	      var t1, t2, t3, namedUsed, i, parameter;
  	      for (t1 = this.parameters, t2 = t1.length, t3 = names._baseMap, namedUsed = 0, i = 0; i < t2; ++i) {
  	        parameter = t1[i];
  	        if (i < positional) {
  	          if (t3.containsKey$1(parameter.name))
  	            return false;
  	        } else if (t3.containsKey$1(parameter.name))
  	          ++namedUsed;
  	        else if (parameter.defaultValue == null)
  	          return false;
  	      }
  	      if (this.restParameter != null)
  	        return true;
  	      if (positional > t2)
  	        return false;
  	      if (namedUsed < t3.get$length(t3))
  	        return false;
  	      return true;
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = this.parameters, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t1.push("$" + t2[_i].toString$0(0));
  	      t2 = this.restParameter;
  	      if (t2 != null)
  	        t1.push("$" + t2 + "...");
  	      return B.JSArray_methods.join$1(t1, ", ");
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParameterList_verify_closure.prototype = {
  	    call$1(parameter) {
  	      return parameter.name;
  	    },
  	    $signature: 326
  	  };
  	  A.ParameterList_verify_closure0.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A.Statement.prototype = {$isAstNode: 1};
  	  A.AtRootRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAtRootRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var buffer = new A.StringBuffer("@at-root "),
  	        t1 = this.query;
  	      if (t1 != null)
  	        buffer._contents = "@at-root " + (t1.toString$0(0) + " ");
  	      return buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.AtRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAtRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var children,
  	        t1 = "@" + this.name.toString$0(0),
  	        buffer = new A.StringBuffer(t1),
  	        t2 = this.value;
  	      if (t2 != null)
  	        buffer._contents = t1 + (" " + t2.toString$0(0));
  	      children = this.children;
  	      return children == null ? buffer.toString$0(0) + ";" : buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.CallableDeclaration.prototype = {
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ContentBlock.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitContentBlock$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.parameters;
  	      t1 = t1.parameters.length === 0 && t1.restParameter == null ? "" : " using (" + t1.toString$0(0) + ")";
  	      return t1 + (" {" + B.JSArray_methods.join$1(this.children, " ") + "}");
  	    }
  	  };
  	  A.ContentRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitContentRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.$arguments;
  	      return t1.get$isEmpty(0) ? "@content;" : "@content(" + t1.toString$0(0) + ");";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.DebugRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitDebugRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@debug " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Declaration.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitDeclaration$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, _0_0, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        t1 = _this.name.toString$0(0);
  	      buffer._contents = t1;
  	      t1 = buffer._contents = t1 + A.Primitives_stringFromCharCode(58);
  	      t2 = _this.value;
  	      if (t2 != null) {
  	        if (_this.parsedAsSassScript)
  	          t1 = buffer._contents = t1 + A.Primitives_stringFromCharCode(32);
  	        buffer._contents = t1 + t2.toString$0(0);
  	      }
  	      _0_0 = _this.children;
  	      if (_0_0 != null)
  	        return buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(_0_0, " ") + "}";
  	      else
  	        return buffer.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.EachRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitEachRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.variables;
  	      return "@each " + new A.MappedListIterable(t1, new A.EachRule_toString_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$1(0, ", ") + " in " + this.list.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.EachRule_toString_closure.prototype = {
  	    call$1(variable) {
  	      return "$" + variable;
  	    },
  	    $signature: 6
  	  };
  	  A.ErrorRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitErrorRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@error " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ExtendRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitExtendRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.selector.toString$0(0),
  	        t2 = this.isOptional ? " !optional" : "";
  	      return "@extend " + t1 + t2 + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ForRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitForRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        t1 = _this.from.toString$0(0),
  	        t2 = _this.isExclusive ? "to" : "through";
  	      return "@for $" + _this.variable + " from " + t1 + " " + t2 + " " + _this.to.toString$0(0) + " {" + B.JSArray_methods.join$1(_this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ForwardRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitForwardRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, prefix, _this = this,
  	        t1 = "@forward " + A.StringExpression_quoteText(_this.url.toString$0(0)),
  	        shownMixinsAndFunctions = _this.shownMixinsAndFunctions,
  	        hiddenMixinsAndFunctions = _this.hiddenMixinsAndFunctions;
  	      if (shownMixinsAndFunctions != null) {
  	        t2 = _this.shownVariables;
  	        t2.toString;
  	        t2 = t1 + " show " + _this._forward_rule$_memberList$2(shownMixinsAndFunctions, t2);
  	        t1 = t2;
  	      } else if (hiddenMixinsAndFunctions != null && hiddenMixinsAndFunctions._base.get$isNotEmpty(0)) {
  	        t2 = _this.hiddenVariables;
  	        t2.toString;
  	        t2 = t1 + " hide " + _this._forward_rule$_memberList$2(hiddenMixinsAndFunctions, t2);
  	        t1 = t2;
  	      }
  	      prefix = _this.prefix;
  	      if (prefix != null)
  	        t1 += " as " + prefix + "*";
  	      t2 = _this.configuration;
  	      t1 = (t2.length !== 0 ? t1 + (" with (" + B.JSArray_methods.join$1(t2, ", ") + ")") : t1) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _forward_rule$_memberList$2(mixinsAndFunctions, variables) {
  	      var t2,
  	        t1 = A.List_List$_of(mixinsAndFunctions, type$.String);
  	      for (t2 = variables._base.get$iterator(0); t2.moveNext$0();)
  	        t1.push("$" + t2.get$current(0));
  	      return B.JSArray_methods.join$1(t1, ", ");
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.FunctionRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitFunctionRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@function " + this.name + "(" + this.parameters.toString$0(0) + ") {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.IfRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitIfRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var result = A.ListExtensions_mapIndexed(this.clauses, new A.IfRule_toString_closure(), type$.IfClause, type$.String).join$1(0, " "),
  	        lastClause = this.lastClause;
  	      return lastClause != null ? result + (" " + lastClause.toString$0(0)) : result;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfRule_toString_closure.prototype = {
  	    call$2(index, clause) {
  	      var t1 = index === 0 ? "if" : "else if";
  	      return "@" + t1 + " " + clause.expression.toString$0(0) + " {" + B.JSArray_methods.join$1(clause.children, " ") + "}";
  	    },
  	    $signature: 397
  	  };
  	  A.IfRuleClause.prototype = {};
  	  A.IfRuleClause$__closure.prototype = {
  	    call$1(child) {
  	      var t1;
  	      $label0$0: {
  	        if (child instanceof A.VariableDeclaration || child instanceof A.FunctionRule || child instanceof A.MixinRule) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (child instanceof A.ImportRule) {
  	          t1 = B.JSArray_methods.any$1(child.imports, new A.IfRuleClause$___closure());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 148
  	  };
  	  A.IfRuleClause$___closure.prototype = {
  	    call$1($import) {
  	      return $import instanceof A.DynamicImport;
  	    },
  	    $signature: 150
  	  };
  	  A.IfClause.prototype = {
  	    toString$0(_) {
  	      return "@if " + this.expression.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.ElseClause.prototype = {
  	    toString$0(_) {
  	      return "@else {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.ImportRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitImportRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@import " + B.JSArray_methods.join$1(this.imports, ", ") + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IncludeRule.prototype = {
  	    get$spanWithoutContent() {
  	      var t2,
  	        t1 = this.span;
  	      if (!(this.content == null)) {
  	        t2 = this.$arguments.span;
  	        t2 = A.SpanExtensions_trimRight(A.SpanExtensions_trimLeft(t1.get$file(t1).span$2(0, t1.get$start(t1).offset, t2.get$end(t2).offset)));
  	        t1 = t2;
  	      }
  	      return t1;
  	    },
  	    get$nameSpan() {
  	      var startSpan, scanner, _null = null,
  	        t1 = this.span;
  	      if (B.JSString_methods.startsWith$1(t1.get$text(), "+"))
  	        startSpan = A.SpanExtensions_trimLeft(A.FileSpanExtension_subspan(t1, 1, _null));
  	      else {
  	        scanner = A.StringScanner$(t1.get$text(), _null, _null);
  	        scanner.expectChar$1(64);
  	        A._scanIdentifier(scanner);
  	        startSpan = A.SpanExtensions_trimLeft(A.FileSpanExtension_subspan(t1, scanner._string_scanner$_position, _null));
  	      }
  	      if (this.namespace != null) {
  	        scanner = A.StringScanner$(startSpan.get$text(), _null, _null);
  	        A._scanIdentifier(scanner);
  	        startSpan = A.FileSpanExtension_subspan(A.FileSpanExtension_subspan(startSpan, scanner._string_scanner$_position, _null), 1, _null);
  	      }
  	      return A.SpanExtensions_initialIdentifier(startSpan);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIncludeRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = _this.namespace;
  	      t1 = t1 != null ? "@include " + (t1 + ".") : "@include ";
  	      t1 += _this.name;
  	      t2 = _this.$arguments;
  	      if (!t2.get$isEmpty(0))
  	        t1 += "(" + t2.toString$0(0) + ")";
  	      t2 = _this.content;
  	      t1 += t2 == null ? ";" : " " + t2.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.LoudComment.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitLoudComment$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text.toString$0(0);
  	    }
  	  };
  	  A.MediaRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitMediaRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@media " + this.query.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.MixinRule.prototype = {
  	    get$hasContent() {
  	      var result, _this = this,
  	        value = _this.__MixinRule_hasContent_FI;
  	      if (value === $) {
  	        result = J.$eq$(B.C__HasContentVisitor.visitChildren$1(_this.children), true);
  	        _this.__MixinRule_hasContent_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__MixinRule_hasContent_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitMixinRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = "@mixin " + this.name,
  	        t2 = this.parameters;
  	      if (!(t2.parameters.length === 0 && t2.restParameter == null))
  	        t1 += "(" + t2.toString$0(0) + ")";
  	      t1 += " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A._HasContentVisitor.prototype = {
  	    visitContentRule$1(_, _0) {
  	      return true;
  	    }
  	  };
  	  A.__HasContentVisitor_Object_StatementSearchVisitor.prototype = {};
  	  A.ParentStatement.prototype = {};
  	  A.ParentStatement_closure.prototype = {
  	    call$1(child) {
  	      var t1;
  	      $label0$0: {
  	        if (child instanceof A.VariableDeclaration || child instanceof A.FunctionRule || child instanceof A.MixinRule) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (child instanceof A.ImportRule) {
  	          t1 = B.JSArray_methods.any$1(child.imports, new A.ParentStatement__closure());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 148
  	  };
  	  A.ParentStatement__closure.prototype = {
  	    call$1($import) {
  	      return $import instanceof A.DynamicImport;
  	    },
  	    $signature: 150
  	  };
  	  A.ReturnRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitReturnRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@return " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SilentComment.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSilentComment$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StyleRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitStyleRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.selector;
  	      return A.S(t1 == null ? this.parsedSelector : t1) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Stylesheet.prototype = {
  	    Stylesheet$internal$5$globalVariables$plainCss(children, span, parseTimeWarnings, globalVariables, plainCss) {
  	      var t1, t2, t3, t4, _i, child;
  	      for (t1 = this.children, t2 = t1.length, t3 = this._forwards, t4 = this._uses, _i = 0; _i < t2; ++_i) {
  	        child = t1[_i];
  	        if (child instanceof A.UseRule) {
  	          t4.push(child);
  	          continue;
  	        }
  	        if (child instanceof A.ForwardRule) {
  	          t3.push(child);
  	          continue;
  	        }
  	        if (child instanceof A.SilentComment || child instanceof A.LoudComment || child instanceof A.VariableDeclaration)
  	          continue;
  	        break;
  	      }
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitStylesheet$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.children, " ");
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSupportsRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@supports " + this.condition.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.UseRule.prototype = {
  	    UseRule$4$configuration(url, namespace, span, configuration) {
  	      var t1, t2, _i, variable;
  	      for (t1 = this.configuration, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        variable = t1[_i];
  	        if (variable.isGuarded)
  	          throw A.wrapException(A.ArgumentError$value(variable, "configured variable", "can't be guarded in a @use rule."));
  	      }
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitUseRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.url,
  	        t2 = "@use " + A.StringExpression_quoteText(t1.toString$0(0)),
  	        basename = t1.get$pathSegments().length === 0 ? "" : B.JSArray_methods.get$last(t1.get$pathSegments()),
  	        dot = B.JSString_methods.indexOf$1(basename, ".");
  	      t1 = this.namespace;
  	      if (t1 !== B.JSString_methods.substring$2(basename, 0, dot === -1 ? basename.length : dot))
  	        t1 = t2 + (" as " + (t1 == null ? "*" : t1));
  	      else
  	        t1 = t2;
  	      t2 = this.configuration;
  	      t1 = (t2.length !== 0 ? t1 + (" with (" + B.JSArray_methods.join$1(t2, ", ") + ")") : t1) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.VariableDeclaration.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitVariableDeclaration$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace;
  	      t1 = t1 != null ? t1 + "." : "";
  	      t1 += "$" + this.name + ": " + this.expression.toString$0(0) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.WarnRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitWarnRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@warn " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.WhileRule.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitWhileRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@while " + this.condition.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsAnything.prototype = {
  	    withSpan$1(span) {
  	      return new A.SupportsAnything(this.contents, span);
  	    },
  	    toString$0(_) {
  	      return "(" + this.contents.toString$0(0) + ")";
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsDeclaration.prototype = {
  	    get$isCustomProperty() {
  	      var t1,
  	        _0_0 = this.name;
  	      $label0$0: {
  	        if (_0_0 instanceof A.StringExpression && !_0_0.hasQuotes) {
  	          t1 = B.JSString_methods.startsWith$1(_0_0.text.get$initialPlain(), "--");
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsDeclaration(this.name, this.value, span);
  	    },
  	    toString$0(_) {
  	      return "(" + this.name.toString$0(0) + ": " + this.value.toString$0(0) + ")";
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsFunction.prototype = {
  	    withSpan$1(span) {
  	      return new A.SupportsFunction(this.name, this.$arguments, span);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + "(" + this.$arguments.toString$0(0) + ")";
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsInterpolation.prototype = {
  	    withSpan$1(span) {
  	      return new A.SupportsInterpolation(this.expression, span);
  	    },
  	    toString$0(_) {
  	      return "#{" + this.expression.toString$0(0) + "}";
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsNegation.prototype = {
  	    withSpan$1(span) {
  	      return new A.SupportsNegation(this.condition, span);
  	    },
  	    toString$0(_) {
  	      var t1 = this.condition;
  	      if (t1 instanceof A.SupportsNegation || t1 instanceof A.SupportsOperation)
  	        return "not (" + t1.toString$0(0) + ")";
  	      else
  	        return "not " + t1.toString$0(0);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsOperation.prototype = {
  	    withSpan$1(span) {
  	      return new A.SupportsOperation(this.left, this.right, this.operator, span);
  	    },
  	    toString$0(_) {
  	      var _this = this;
  	      return _this._parenthesize$1(_this.left) + " " + _this.operator.toString$0(0) + " " + _this._parenthesize$1(_this.right);
  	    },
  	    _parenthesize$1(condition) {
  	      var t1;
  	      if (!(condition instanceof A.SupportsNegation))
  	        t1 = condition instanceof A.SupportsOperation && condition.operator === this.operator;
  	      else
  	        t1 = true;
  	      return t1 ? "(" + condition.toString$0(0) + ")" : condition.toString$0(0);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Selector.prototype = {
  	    assertNotBogus$1$name($name) {
  	      if (!this.accept$1(B._IsBogusVisitor_true))
  	        return;
  	      A.warnForDeprecation("$" + $name + ": " + (this.toString$0(0) + string$.x20is_nov), B.Deprecation_0rM);
  	    },
  	    toString$0(_) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	      this.accept$1(visitor);
  	      return visitor._serialize$_buffer.toString$0(0);
  	    },
  	    $isAstNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._IsInvisibleVisitor0.prototype = {
  	    visitSelectorList$1(list) {
  	      return B.JSArray_methods.every$1(list.components, this.get$visitComplexSelector());
  	    },
  	    visitComplexSelector$1(complex) {
  	      var t1;
  	      if (!this.super$AnySelectorVisitor$visitComplexSelector(complex))
  	        t1 = this.includeBogus && complex.accept$1(B._IsBogusVisitor_false);
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return true;
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var t1,
  	        _0_0 = pseudo.selector;
  	      if (_0_0 != null) {
  	        if (pseudo.name === "not")
  	          t1 = this.includeBogus && _0_0.accept$1(B._IsBogusVisitor_true);
  	        else
  	          t1 = this.visitSelectorList$1(_0_0);
  	        return t1;
  	      } else
  	        return false;
  	    }
  	  };
  	  A._IsBogusVisitor.prototype = {
  	    visitComplexSelector$1(complex) {
  	      var t2,
  	        t1 = complex.components;
  	      if (t1.length === 0)
  	        return complex.leadingCombinators.length !== 0;
  	      else {
  	        t2 = this.includeLeadingCombinator ? 0 : 1;
  	        return complex.leadingCombinators.length > t2 || B.JSArray_methods.get$last(t1).combinators.length !== 0 || B.JSArray_methods.any$1(t1, new A._IsBogusVisitor_visitComplexSelector_closure(this));
  	      }
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var selector = pseudo.selector;
  	      if (selector == null)
  	        return false;
  	      return pseudo.name === "has" ? selector.accept$1(B._IsBogusVisitor_false) : selector.accept$1(B._IsBogusVisitor_true);
  	    }
  	  };
  	  A._IsBogusVisitor_visitComplexSelector_closure.prototype = {
  	    call$1(component) {
  	      return component.combinators.length > 1 || this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 54
  	  };
  	  A._IsUselessVisitor.prototype = {
  	    visitComplexSelector$1(complex) {
  	      return complex.leadingCombinators.length > 1 || B.JSArray_methods.any$1(complex.components, new A._IsUselessVisitor_visitComplexSelector_closure(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      return pseudo.accept$1(B._IsBogusVisitor_true);
  	    }
  	  };
  	  A._IsUselessVisitor_visitComplexSelector_closure.prototype = {
  	    call$1(component) {
  	      return component.combinators.length > 1 || this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 54
  	  };
  	  A._ContainsParentSelectorVisitor.prototype = {
  	    visitParentSelector$1(_, _0) {
  	      return true;
  	    }
  	  };
  	  A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor.prototype = {};
  	  A.__IsBogusVisitor_Object_AnySelectorVisitor.prototype = {};
  	  A.__IsInvisibleVisitor_Object_AnySelectorVisitor.prototype = {};
  	  A.__IsUselessVisitor_Object_AnySelectorVisitor.prototype = {};
  	  A.AttributeSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAttributeSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A.AttributeSelector && other.name.$eq(0, _this.name) && other.op == _this.op && other.value == _this.value && other.modifier == _this.modifier;
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.name;
  	      return (B.JSString_methods.get$hashCode(t1.name) ^ J.get$hashCode$(t1.namespace) ^ J.get$hashCode$(_this.op) ^ J.get$hashCode$(_this.value) ^ J.get$hashCode$(_this.modifier)) >>> 0;
  	    }
  	  };
  	  A.AttributeOperator.prototype = {
  	    _enumToString$0() {
  	      return "AttributeOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._attribute$_text;
  	    }
  	  };
  	  A.ClassSelector.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ClassSelector && other.name === this.name;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitClassSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.ClassSelector(this.name + suffix, this.span);
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.Combinator.prototype = {
  	    _enumToString$0() {
  	      return "Combinator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._combinator$_text;
  	    }
  	  };
  	  A.ComplexSelector.prototype = {
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this.__ComplexSelector_specificity_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.fold$2(_this.components, 0, new A.ComplexSelector_specificity_closure());
  	        _this.__ComplexSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__ComplexSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$singleCompound() {
  	      var _0_0, t1, _0_4, selector;
  	      if (this.leadingCombinators.length !== 0)
  	        return null;
  	      _0_0 = this.components;
  	      $label0$0: {
  	        t1 = false;
  	        if (_0_0.length === 1) {
  	          _0_4 = _0_0[0];
  	          selector = _0_4.selector;
  	          t1 = _0_4.combinators.length <= 0;
  	        } else
  	          selector = null;
  	        if (t1) {
  	          t1 = selector;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitComplexSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    isSuperselector$1(other) {
  	      return this.leadingCombinators.length === 0 && other.leadingCombinators.length === 0 && A.complexIsSuperselector(this.components, other.components);
  	    },
  	    withAdditionalCombinators$1(combinators) {
  	      var _0_0, _0_1, t1, initial, last, _this = this;
  	      if (combinators.length === 0)
  	        return _this;
  	      _0_0 = _this.components;
  	      $label0$0: {
  	        _0_1 = _0_0.length;
  	        if (_0_1 >= 1) {
  	          t1 = _0_1 - 1;
  	          initial = B.JSArray_methods.sublist$2(_0_0, 0, t1);
  	          last = _0_0[t1];
  	          t1 = A.List_List$_of(initial, type$.ComplexSelectorComponent);
  	          t1.push(last.withAdditionalCombinators$1(combinators));
  	          t1 = A.ComplexSelector$(_this.leadingCombinators, t1, _this.span, _this.lineBreak);
  	          break $label0$0;
  	        }
  	        if (_0_1 <= 0) {
  	          t1 = A.List_List$_of(_this.leadingCombinators, type$.CssValue_Combinator);
  	          B.JSArray_methods.addAll$1(t1, combinators);
  	          t1 = A.ComplexSelector$(t1, B.List_empty2, _this.span, _this.lineBreak);
  	          break $label0$0;
  	        }
  	        t1 = null;
  	      }
  	      return t1;
  	    },
  	    concatenate$3$forceLineBreak(child, span, forceLineBreak) {
  	      var t2, _0_1, initial, last, _this = this,
  	        t1 = child.leadingCombinators,
  	        _0_0 = _this.components;
  	      if (t1.length === 0) {
  	        t1 = A.List_List$_of(_0_0, type$.ComplexSelectorComponent);
  	        B.JSArray_methods.addAll$1(t1, child.components);
  	        t2 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	        return A.ComplexSelector$(_this.leadingCombinators, t1, span, t2);
  	      } else {
  	        _0_1 = _0_0.length;
  	        if (_0_1 >= 1) {
  	          t2 = _0_1 - 1;
  	          initial = B.JSArray_methods.sublist$2(_0_0, 0, t2);
  	          last = _0_0[t2];
  	          t2 = A.List_List$_of(initial, type$.ComplexSelectorComponent);
  	          t2.push(last.withAdditionalCombinators$1(t1));
  	          B.JSArray_methods.addAll$1(t2, child.components);
  	          t1 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	          return A.ComplexSelector$(_this.leadingCombinators, t2, span, t1);
  	        } else {
  	          t2 = A.List_List$_of(_this.leadingCombinators, type$.CssValue_Combinator);
  	          B.JSArray_methods.addAll$1(t2, t1);
  	          t1 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	          return A.ComplexSelector$(t2, child.components, span, t1);
  	        }
  	      }
  	    },
  	    concatenate$2(child, span) {
  	      return this.concatenate$3$forceLineBreak(child, span, false);
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.leadingCombinators) ^ B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ComplexSelector && B.C_ListEquality.equals$2(0, this.leadingCombinators, other.leadingCombinators) && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.ComplexSelector_specificity_closure.prototype = {
  	    call$2(sum, component) {
  	      return sum + component.selector.get$specificity();
  	    },
  	    $signature: 356
  	  };
  	  A.ComplexSelectorComponent.prototype = {
  	    withAdditionalCombinators$1(combinators) {
  	      var t1, t2, _this = this;
  	      if (combinators.length === 0)
  	        t1 = _this;
  	      else {
  	        t1 = type$.CssValue_Combinator;
  	        t2 = A.List_List$_of(_this.combinators, t1);
  	        B.JSArray_methods.addAll$1(t2, combinators);
  	        t1 = new A.ComplexSelectorComponent(_this.selector, A.List_List$unmodifiable(t2, t1), _this.span);
  	      }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.selector.components) ^ B.C_ListEquality0.hash$1(this.combinators);
  	    },
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      if (other instanceof A.ComplexSelectorComponent) {
  	        t1 = B.C_ListEquality.equals$2(0, this.selector.components, other.selector.components);
  	        t1 = t1 && B.C_ListEquality.equals$2(0, this.combinators, other.combinators);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    toString$0(_) {
  	      var t1 = this.combinators;
  	      return A.serializeSelector(this.selector, true) + new A.MappedListIterable(t1, new A.ComplexSelectorComponent_toString_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$1(0, "");
  	    }
  	  };
  	  A.ComplexSelectorComponent_toString_closure.prototype = {
  	    call$1(combinator) {
  	      return " " + combinator.toString$0(0);
  	    },
  	    $signature: 393
  	  };
  	  A.CompoundSelector.prototype = {
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this.__CompoundSelector_specificity_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.fold$2(_this.components, 0, new A.CompoundSelector_specificity_closure());
  	        _this.__CompoundSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__CompoundSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      var result, _this = this,
  	        value = _this.__CompoundSelector_hasComplicatedSuperselectorSemantics_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.any$1(_this.components, new A.CompoundSelector_hasComplicatedSuperselectorSemantics_closure());
  	        _this.__CompoundSelector_hasComplicatedSuperselectorSemantics_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__CompoundSelector_hasComplicatedSuperselectorSemantics_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCompoundSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CompoundSelector && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.CompoundSelector_specificity_closure.prototype = {
  	    call$2(sum, component) {
  	      return sum + component.get$specificity();
  	    },
  	    $signature: 446
  	  };
  	  A.CompoundSelector_hasComplicatedSuperselectorSemantics_closure.prototype = {
  	    call$1(component) {
  	      return component.get$hasComplicatedSuperselectorSemantics();
  	    },
  	    $signature: 14
  	  };
  	  A.IDSelector.prototype = {
  	    get$specificity() {
  	      return A._asInt(Math.pow(A.SimpleSelector.prototype.get$specificity.call(this), 2));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIDSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.IDSelector(this.name + suffix, this.span);
  	    },
  	    unify$1(compound) {
  	      if (B.JSArray_methods.any$1(compound, new A.IDSelector_unify_closure(this)))
  	        return null;
  	      return this.super$SimpleSelector$unify(compound);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.IDSelector && other.name === this.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.IDSelector_unify_closure.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (simple instanceof A.IDSelector)
  	        t1 = this.$this.name !== simple.name;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 14
  	  };
  	  A.SelectorList.prototype = {
  	    get$asSassList() {
  	      var t1 = this.components;
  	      return A.SassList$(new A.MappedListIterable(t1, new A.SelectorList_asSassList_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value>")), B.ListSeparator_z0K, false);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitSelectorList$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(other) {
  	      var t3, t4, t5, t6, _i, complex1, t7, _i0, t8,
  	        t1 = type$.JSArray_ComplexSelector,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = this.components, t4 = t3.length, t5 = other.components, t6 = t5.length, _i = 0; _i < t4; ++_i) {
  	        complex1 = t3[_i];
  	        for (t7 = complex1.span, _i0 = 0; _i0 < t6; ++_i0) {
  	          t8 = A.unifyComplex(A._setArrayType([complex1, t5[_i0]], t1), t7);
  	          if (t8 != null)
  	            B.JSArray_methods.addAll$1(t2, t8);
  	        }
  	      }
  	      return t2.length === 0 ? null : A.SelectorList$(t2, this.span);
  	    },
  	    nestWithin$3$implicitParent$preserveParentSelectors($parent, implicitParent, preserveParentSelectors) {
  	      var _0_0, t1, _this = this;
  	      if ($parent == null) {
  	        if (preserveParentSelectors)
  	          return _this;
  	        _0_0 = B.C__ParentSelectorVisitor.visitSelectorList$1(_this);
  	        if (_0_0 instanceof A.ParentSelector)
  	          t1 = _0_0.suffix != null;
  	        else
  	          t1 = false;
  	        if (t1)
  	          throw A.wrapException(A.SassException$(string$.A_top_, _0_0.span, null));
  	        return _this;
  	      }
  	      t1 = _this.components;
  	      return A.SelectorList$(A.flattenVertically(new A.MappedListIterable(t1, new A.SelectorList_nestWithin_closure(_this, preserveParentSelectors, implicitParent, $parent), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Iterable<ComplexSelector>>")), type$.ComplexSelector), _this.span);
  	    },
  	    nestWithin$1($parent) {
  	      return this.nestWithin$3$implicitParent$preserveParentSelectors($parent, true, false);
  	    },
  	    nestWithin$2$implicitParent($parent, implicitParent) {
  	      return this.nestWithin$3$implicitParent$preserveParentSelectors($parent, implicitParent, false);
  	    },
  	    _nestWithinCompound$2(component, $parent) {
  	      var resolvedSimples, parentSelector, error, stackTrace, t2, resolvedSimples0, t1 = component.selector,
  	        simples = t1.components,
  	        containsSelectorPseudo = J.any$1$ax(simples, new A.SelectorList__nestWithinCompound_closure());
  	      if (!containsSelectorPseudo && !(J.get$first$ax(simples) instanceof A.ParentSelector))
  	        return null;
  	      if (containsSelectorPseudo) {
  	        t2 = simples;
  	        resolvedSimples0 = new A.MappedListIterable(t2, new A.SelectorList__nestWithinCompound_closure0($parent), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,SimpleSelector>"));
  	      } else
  	        resolvedSimples0 = simples;
  	      resolvedSimples = resolvedSimples0;
  	      parentSelector = J.get$first$ax(simples);
  	      try {
  	        if (!(parentSelector instanceof A.ParentSelector)) {
  	          t2 = component.span;
  	          t2 = A._setArrayType([A.ComplexSelector$(B.List_empty0, A._setArrayType([new A.ComplexSelectorComponent(A.CompoundSelector$(resolvedSimples, t1.span), A.List_List$unmodifiable(component.combinators, type$.CssValue_Combinator), t2)], type$.JSArray_ComplexSelectorComponent), t2, false)], type$.JSArray_ComplexSelector);
  	          return t2;
  	        } else if (J.get$length$asx(simples) === 1 && parentSelector.suffix == null) {
  	          t1 = $parent.withAdditionalCombinators$1(component.combinators);
  	          return t1.components;
  	        }
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace(error.withAdditionalSpan$2(parentSelector.span, "parent selector"), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	      t1 = $parent.components;
  	      return new A.MappedListIterable(t1, new A.SelectorList__nestWithinCompound_closure1(parentSelector, resolvedSimples, component), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector>"));
  	    },
  	    isSuperselector$1(other) {
  	      return A.listIsSuperselector(this.components, other.components);
  	    },
  	    withAdditionalCombinators$1(combinators) {
  	      var t1;
  	      if (combinators.length === 0)
  	        t1 = this;
  	      else {
  	        t1 = this.components;
  	        t1 = A.SelectorList$(new A.MappedListIterable(t1, new A.SelectorList_withAdditionalCombinators_closure(combinators), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector>")), this.span);
  	      }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SelectorList && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.SelectorList_asSassList_closure.prototype = {
  	    call$1(complex) {
  	      var t3, t4, _i, component, visitor, t5, t6, t7, _i0, _null = null,
  	        t1 = type$.JSArray_Value,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = complex.leadingCombinators, t4 = t3.length, _i = 0; _i < t4; ++_i)
  	        t2.push(new A.SassString(J.toString$0$(t3[_i].value), false));
  	      for (t3 = complex.components, t4 = t3.length, _i = 0; _i < t4; ++_i) {
  	        component = t3[_i];
  	        visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	        component.selector.accept$1(visitor);
  	        t5 = A._setArrayType([new A.SassString(visitor._serialize$_buffer.toString$0(0), false)], t1);
  	        for (t6 = component.combinators, t7 = t6.length, _i0 = 0; _i0 < t7; ++_i0)
  	          t5.push(new A.SassString(J.toString$0$(t6[_i0].value), false));
  	        B.JSArray_methods.addAll$1(t2, t5);
  	      }
  	      return A.SassList$(t2, B.ListSeparator_SrV, false);
  	    },
  	    $signature: 329
  	  };
  	  A.SelectorList_nestWithin_closure.prototype = {
  	    call$1(complex) {
  	      var t1, newComplexes, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, _i, component, resolved, i, t12, t13, t14, _i0, newComplex, t15, t16, _this = this;
  	      if (_this.preserveParentSelectors || complex.accept$1(B.C__ParentSelectorVisitor) == null) {
  	        if (!_this.implicitParent)
  	          return A._setArrayType([complex], type$.JSArray_ComplexSelector);
  	        t1 = _this.parent.components;
  	        return new A.MappedListIterable(t1, new A.SelectorList_nestWithin__closure(complex), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector>"));
  	      }
  	      t1 = type$.JSArray_ComplexSelector;
  	      newComplexes = A._setArrayType([], t1);
  	      for (t2 = complex.components, t3 = t2.length, t4 = _this.$this, t5 = _this.parent, t6 = type$.ComplexSelector, t7 = complex.leadingCombinators, t8 = t7.length === 0, t9 = complex.span, t10 = type$.ComplexSelectorComponent, t11 = type$.JSArray_ComplexSelectorComponent, _i = 0; _i < t3; ++_i) {
  	        component = t2[_i];
  	        resolved = t4._nestWithinCompound$2(component, t5);
  	        if (resolved == null)
  	          if (newComplexes.length === 0)
  	            newComplexes.push(A.ComplexSelector$(t7, A._setArrayType([component], t11), t9, false));
  	          else
  	            for (i = 0; i < newComplexes.length; ++i) {
  	              t12 = newComplexes[i];
  	              t13 = A.List_List$_of(t12.components, t10);
  	              t13.push(component);
  	              newComplexes[i] = A.ComplexSelector$(t12.leadingCombinators, t13, t9, t12.lineBreak);
  	            }
  	        else if (newComplexes.length === 0)
  	          B.JSArray_methods.addAll$1(newComplexes, t8 ? resolved : J.map$1$1$ax(resolved, new A.SelectorList_nestWithin__closure0(complex), t6));
  	        else {
  	          t12 = A._setArrayType([], t1);
  	          for (t13 = newComplexes.length, t14 = J.getInterceptor$ax(resolved), _i0 = 0; _i0 < newComplexes.length; newComplexes.length === t13 || (0, A.throwConcurrentModificationError)(newComplexes), ++_i0) {
  	            newComplex = newComplexes[_i0];
  	            for (t15 = t14.get$iterator(resolved), t16 = newComplex.span; t15.moveNext$0();)
  	              t12.push(newComplex.concatenate$2(t15.get$current(t15), t16));
  	          }
  	          newComplexes = t12;
  	        }
  	      }
  	      return newComplexes;
  	    },
  	    $signature: 346
  	  };
  	  A.SelectorList_nestWithin__closure.prototype = {
  	    call$1(parentComplex) {
  	      var t1 = this.complex;
  	      return parentComplex.concatenate$2(t1, t1.span);
  	    },
  	    $signature: 61
  	  };
  	  A.SelectorList_nestWithin__closure0.prototype = {
  	    call$1(resolvedComplex) {
  	      var t1 = resolvedComplex.leadingCombinators,
  	        t2 = this.complex,
  	        t3 = t2.leadingCombinators;
  	      if (t1.length === 0)
  	        t1 = t3;
  	      else {
  	        t3 = A.List_List$_of(t3, type$.CssValue_Combinator);
  	        B.JSArray_methods.addAll$1(t3, t1);
  	        t1 = t3;
  	      }
  	      return A.ComplexSelector$(t1, resolvedComplex.components, t2.span, resolvedComplex.lineBreak);
  	    },
  	    $signature: 61
  	  };
  	  A.SelectorList__nestWithinCompound_closure.prototype = {
  	    call$1(simple) {
  	      var selector;
  	      if (!(simple instanceof A.PseudoSelector))
  	        return false;
  	      selector = simple.selector;
  	      return selector != null && selector.accept$1(B.C__ParentSelectorVisitor) != null;
  	    },
  	    $signature: 14
  	  };
  	  A.SelectorList__nestWithinCompound_closure0.prototype = {
  	    call$1(simple) {
  	      var selector, t1, _0_2;
  	      $label0$0: {
  	        selector = null;
  	        t1 = false;
  	        if (simple instanceof A.PseudoSelector) {
  	          _0_2 = simple.selector;
  	          if (_0_2 != null) {
  	            selector = _0_2 == null ? type$.SelectorList._as(_0_2) : _0_2;
  	            t1 = selector.accept$1(B.C__ParentSelectorVisitor) != null;
  	          }
  	        }
  	        if (t1) {
  	          t1 = simple.withSelector$1(selector.nestWithin$2$implicitParent(this.parent, false));
  	          break $label0$0;
  	        }
  	        t1 = simple;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 367
  	  };
  	  A.SelectorList__nestWithinCompound_closure1.prototype = {
  	    call$1(complex) {
  	      var lastComponent, suffix, lastSimples, t1, t2, last, t3, error, stackTrace, t4, t5, _this = this;
  	      try {
  	        t4 = complex.components;
  	        lastComponent = B.JSArray_methods.get$last(t4);
  	        if (lastComponent.combinators.length !== 0) {
  	          t1 = A.MultiSpanSassException$('Selector "' + complex.toString$0(0) + string$.x22x20can_, A.SpanExtensions_trimRight(lastComponent.span), "outer selector", A.LinkedHashMap_LinkedHashMap$_literal([_this.parentSelector.span, "parent selector"], type$.FileSpan, type$.String), null);
  	          throw A.wrapException(t1);
  	        }
  	        suffix = _this.parentSelector.suffix;
  	        lastSimples = lastComponent.selector.components;
  	        t5 = type$.SimpleSelector;
  	        if (suffix == null) {
  	          t2 = A.List_List$_of(lastSimples, t5);
  	          t1 = t2;
  	          J.addAll$1$ax(t1, J.skip$1$ax(_this.resolvedSimples, 1));
  	          t1 = t1;
  	        } else {
  	          t1 = A.List_List$_of(A.IterableExtension_get_exceptLast(lastSimples), t5);
  	          t2 = t1;
  	          J.add$1$ax(t2, J.get$last$ax(lastSimples).addSuffix$1(suffix));
  	          J.addAll$1$ax(t2, J.skip$1$ax(_this.resolvedSimples, 1));
  	          t1 = t2;
  	        }
  	        t2 = _this.component;
  	        last = A.CompoundSelector$(t1, t2.selector.span);
  	        t1 = A.List_List$_of(A.IterableExtension_get_exceptLast(t4), type$.ComplexSelectorComponent);
  	        t3 = t1;
  	        t1 = t2.span;
  	        J.add$1$ax(t3, new A.ComplexSelectorComponent(last, A.List_List$unmodifiable(t2.combinators, type$.CssValue_Combinator), t1));
  	        t1 = A.ComplexSelector$(complex.leadingCombinators, t3, t1, complex.lineBreak);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace(error.withAdditionalSpan$2(_this.parentSelector.span, "parent selector"), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    $signature: 61
  	  };
  	  A.SelectorList_withAdditionalCombinators_closure.prototype = {
  	    call$1(complex) {
  	      return complex.withAdditionalCombinators$1(this.combinators);
  	    },
  	    $signature: 61
  	  };
  	  A._ParentSelectorVisitor.prototype = {
  	    visitParentSelector$1(_, selector) {
  	      return selector;
  	    }
  	  };
  	  A.__ParentSelectorVisitor_Object_SelectorSearchVisitor.prototype = {};
  	  A.ParentSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitParentSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(compound) {
  	      return A.throwExpression(A.UnsupportedError$("& doesn't support unification."));
  	    }
  	  };
  	  A.PlaceholderSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitPlaceholderSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.PlaceholderSelector(this.name + suffix, this.span);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PlaceholderSelector && other.name === this.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.PseudoSelector.prototype = {
  	    get$isHostContext() {
  	      return this.isClass && this.name === "host-context" && this.selector != null;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      return !this.isClass || this.selector != null;
  	    },
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this.__PseudoSelector_specificity_FI;
  	      if (value === $) {
  	        result = new A.PseudoSelector_specificity_closure(_this).call$0();
  	        _this.__PseudoSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__PseudoSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    withSelector$1(selector) {
  	      var _this = this;
  	      return A.PseudoSelector$(_this.name, _this.span, _this.argument, !_this.isClass, selector);
  	    },
  	    addSuffix$1(suffix) {
  	      var _this = this;
  	      if (_this.argument != null || _this.selector != null)
  	        _this.super$SimpleSelector$addSuffix(suffix);
  	      return A.PseudoSelector$(_this.name + suffix, _this.span, null, !_this.isClass, null);
  	    },
  	    unify$1(compound) {
  	      var other, result, t2, addedThis, _i, simple, _this = this,
  	        t1 = _this.name;
  	      if (t1 === "host" || t1 === "host-context") {
  	        if (!B.JSArray_methods.every$1(compound, new A.PseudoSelector_unify_closure()))
  	          return null;
  	      } else {
  	        t1 = false;
  	        if (compound.length === 1) {
  	          other = compound[0];
  	          if (!(other instanceof A.UniversalSelector)) {
  	            if (other instanceof A.PseudoSelector)
  	              t1 = other.isClass && other.name === "host" || other.get$isHostContext();
  	          } else
  	            t1 = true;
  	        } else
  	          other = null;
  	        if (t1)
  	          return other.unify$1(A._setArrayType([_this], type$.JSArray_SimpleSelector));
  	      }
  	      if (B.JSArray_methods.contains$1(compound, _this))
  	        return compound;
  	      result = A._setArrayType([], type$.JSArray_SimpleSelector);
  	      for (t1 = compound.length, t2 = !_this.isClass, addedThis = false, _i = 0; _i < compound.length; compound.length === t1 || (0, A.throwConcurrentModificationError)(compound), ++_i) {
  	        simple = compound[_i];
  	        if (simple instanceof A.PseudoSelector && !simple.isClass) {
  	          if (t2)
  	            return null;
  	          result.push(_this);
  	          addedThis = true;
  	        }
  	        result.push(simple);
  	      }
  	      if (!addedThis)
  	        result.push(_this);
  	      return result;
  	    },
  	    isSuperselector$1(other) {
  	      var selector, t1, t2, _this = this;
  	      if (_this.super$SimpleSelector$isSuperselector(other))
  	        return true;
  	      selector = _this.selector;
  	      if (selector == null)
  	        return _this.$eq(0, other);
  	      if (other instanceof A.PseudoSelector && !_this.isClass && !other.isClass && _this.normalizedName === "slotted" && other.name === _this.name) {
  	        t1 = A.NullableExtension_andThen(other.selector, selector.get$isSuperselector());
  	        return t1 == null ? false : t1;
  	      }
  	      t1 = type$.JSArray_SimpleSelector;
  	      t2 = _this.span;
  	      return A.compoundIsSuperselector(A.CompoundSelector$(A._setArrayType([_this], t1), t2), A.CompoundSelector$(A._setArrayType([other], t1), t2), null);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitPseudoSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PseudoSelector && other.name === _this.name && other.isClass === _this.isClass && other.argument == _this.argument && J.$eq$(other.selector, _this.selector);
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = B.JSString_methods.get$hashCode(_this.name),
  	        t2 = !_this.isClass ? 519018 : 218159;
  	      return t1 ^ t2 ^ J.get$hashCode$(_this.argument) ^ J.get$hashCode$(_this.selector);
  	    }
  	  };
  	  A.PseudoSelector_specificity_closure.prototype = {
  	    call$0() {
  	      var selector, t2,
  	        t1 = this.$this;
  	      if (!t1.isClass)
  	        return 1;
  	      selector = t1.selector;
  	      if (selector == null)
  	        return A.SimpleSelector.prototype.get$specificity.call(t1);
  	      switch (t1.normalizedName) {
  	        case "where":
  	          return 0;
  	        case "is":
  	        case "not":
  	        case "has":
  	        case "matches":
  	          t1 = selector.components;
  	          return A.IterableIntegerExtension_get_max(new A.MappedListIterable(t1, new A.PseudoSelector_specificity__closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,int>")));
  	        case "nth-child":
  	        case "nth-last-child":
  	          t1 = A.SimpleSelector.prototype.get$specificity.call(t1);
  	          t2 = selector.components;
  	          return t1 + A.IterableIntegerExtension_get_max(new A.MappedListIterable(t2, new A.PseudoSelector_specificity__closure0(), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,int>")));
  	        default:
  	          return A.SimpleSelector.prototype.get$specificity.call(t1);
  	      }
  	    },
  	    $signature: 10
  	  };
  	  A.PseudoSelector_specificity__closure.prototype = {
  	    call$1(component) {
  	      return component.get$specificity();
  	    },
  	    $signature: 171
  	  };
  	  A.PseudoSelector_specificity__closure0.prototype = {
  	    call$1(component) {
  	      return component.get$specificity();
  	    },
  	    $signature: 171
  	  };
  	  A.PseudoSelector_unify_closure.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (simple instanceof A.PseudoSelector)
  	        t1 = simple.isClass && simple.name === "host" || simple.selector != null;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 14
  	  };
  	  A.QualifiedName.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.QualifiedName && other.name === this.name && other.namespace == this.namespace;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name) ^ J.get$hashCode$(this.namespace);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace,
  	        t2 = this.name;
  	      return t1 == null ? t2 : t1 + "|" + t2;
  	    }
  	  };
  	  A.SimpleSelector.prototype = {
  	    get$specificity() {
  	      return 1000;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      return false;
  	    },
  	    addSuffix$1(suffix) {
  	      return A.throwExpression(A.MultiSpanSassException$('Selector "' + this.toString$0(0) + "\" can't have a suffix", this.span, "outer selector", A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String), null));
  	    },
  	    unify$1(compound) {
  	      var other, result, addedThis, _i, simple, _this = this,
  	        t1 = false;
  	      if (compound.length === 1) {
  	        other = compound[0];
  	        if (!(other instanceof A.UniversalSelector)) {
  	          if (other instanceof A.PseudoSelector)
  	            t1 = other.isClass && other.name === "host" || other.get$isHostContext();
  	        } else
  	          t1 = true;
  	      } else
  	        other = null;
  	      if (t1)
  	        return other.unify$1(A._setArrayType([_this], type$.JSArray_SimpleSelector));
  	      if (B.JSArray_methods.contains$1(compound, _this))
  	        return compound;
  	      result = A._setArrayType([], type$.JSArray_SimpleSelector);
  	      for (t1 = compound.length, addedThis = false, _i = 0; _i < compound.length; compound.length === t1 || (0, A.throwConcurrentModificationError)(compound), ++_i) {
  	        simple = compound[_i];
  	        if (!addedThis && simple instanceof A.PseudoSelector) {
  	          result.push(_this);
  	          addedThis = true;
  	        }
  	        result.push(simple);
  	      }
  	      if (!addedThis)
  	        result.push(_this);
  	      return result;
  	    },
  	    isSuperselector$1(other) {
  	      var list;
  	      if (this.$eq(0, other))
  	        return true;
  	      if (other instanceof A.PseudoSelector && other.isClass) {
  	        list = other.selector;
  	        if (list != null && $._subselectorPseudos.contains$1(0, other.normalizedName))
  	          return B.JSArray_methods.every$1(list.components, new A.SimpleSelector_isSuperselector_closure(this));
  	      }
  	      return false;
  	    }
  	  };
  	  A.SimpleSelector_isSuperselector_closure.prototype = {
  	    call$1(complex) {
  	      var t1 = complex.components;
  	      return t1.length !== 0 && B.JSArray_methods.any$1(B.JSArray_methods.get$last(t1).selector.components, new A.SimpleSelector_isSuperselector__closure(this.$this));
  	    },
  	    $signature: 21
  	  };
  	  A.SimpleSelector_isSuperselector__closure.prototype = {
  	    call$1(simple) {
  	      return this.$this.isSuperselector$1(simple);
  	    },
  	    $signature: 14
  	  };
  	  A.TypeSelector.prototype = {
  	    get$specificity() {
  	      return 1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitTypeSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      var t1 = this.name;
  	      return new A.TypeSelector(new A.QualifiedName(t1.name + suffix, t1.namespace), this.span);
  	    },
  	    unify$1(compound) {
  	      var unified, t1,
  	        _0_0 = A.IterableExtensions_get_firstOrNull(compound);
  	      if (_0_0 instanceof A.UniversalSelector || _0_0 instanceof A.TypeSelector) {
  	        unified = A.unifyUniversalAndElement(this, B.JSArray_methods.get$first(compound));
  	        if (unified == null)
  	          return null;
  	        t1 = A._setArrayType([unified], type$.JSArray_SimpleSelector);
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(compound, 1, null, A._arrayInstanceType(compound)._precomputed1));
  	        return t1;
  	      } else {
  	        t1 = A._setArrayType([this], type$.JSArray_SimpleSelector);
  	        B.JSArray_methods.addAll$1(t1, compound);
  	        return t1;
  	      }
  	    },
  	    isSuperselector$1(other) {
  	      var t1, t2, t3;
  	      if (!this.super$SimpleSelector$isSuperselector(other)) {
  	        t1 = false;
  	        if (other instanceof A.TypeSelector) {
  	          t2 = this.name;
  	          t3 = other.name;
  	          if (t2.name === t3.name) {
  	            t1 = t2.namespace;
  	            t1 = t1 === "*" || t1 == t3.namespace;
  	          }
  	        }
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.TypeSelector && other.name.$eq(0, this.name);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.name;
  	      return B.JSString_methods.get$hashCode(t1.name) ^ J.get$hashCode$(t1.namespace);
  	    }
  	  };
  	  A.UniversalSelector.prototype = {
  	    get$specificity() {
  	      return 0;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitUniversalSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(compound) {
  	      var _0_4, t1, rest, unified, t2, _this = this, _null = null,
  	        _0_1 = compound.length,
  	        _0_4_isSet = _0_1 >= 1;
  	      if (_0_4_isSet) {
  	        _0_4 = compound[0];
  	        if (!(_0_4 instanceof A.UniversalSelector))
  	          t1 = _0_4 instanceof A.TypeSelector;
  	        else
  	          t1 = true;
  	        rest = t1 ? B.JSArray_methods.sublist$1(compound, 1) : _null;
  	      } else {
  	        rest = _null;
  	        _0_4 = rest;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        unified = A.unifyUniversalAndElement(_this, B.JSArray_methods.get$first(compound));
  	        if (unified == null)
  	          return _null;
  	        t1 = A._setArrayType([unified], type$.JSArray_SimpleSelector);
  	        B.JSArray_methods.addAll$1(t1, rest);
  	        return t1;
  	      }
  	      t1 = false;
  	      if (_0_1 === 1) {
  	        if (_0_4_isSet)
  	          t2 = _0_4;
  	        else {
  	          _0_4 = compound[0];
  	          t2 = _0_4;
  	          _0_4_isSet = true;
  	        }
  	        if (t2 instanceof A.PseudoSelector) {
  	          t2 = _0_4_isSet ? _0_4 : compound[0];
  	          type$.PseudoSelector._as(t2);
  	          t1 = t2.isClass && t2.name === "host" || t2.get$isHostContext();
  	        }
  	      }
  	      if (t1)
  	        return _null;
  	      if (_0_1 <= 0)
  	        return A._setArrayType([_this], type$.JSArray_SimpleSelector);
  	      t1 = _this.namespace;
  	      if (t1 == null || t1 === "*")
  	        t1 = compound;
  	      else {
  	        t1 = A._setArrayType([_this], type$.JSArray_SimpleSelector);
  	        B.JSArray_methods.addAll$1(t1, compound);
  	      }
  	      return t1;
  	    },
  	    isSuperselector$1(other) {
  	      var t1 = this.namespace;
  	      if (t1 === "*")
  	        return true;
  	      if (other instanceof A.TypeSelector)
  	        return t1 == other.name.namespace;
  	      if (other instanceof A.UniversalSelector)
  	        return t1 == other.namespace;
  	      return t1 == null || this.super$SimpleSelector$isSuperselector(other);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.UniversalSelector && other.namespace == this.namespace;
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.namespace);
  	    }
  	  };
  	  A._compileStylesheet_closure0.prototype = {
  	    call$1(url) {
  	      var t1;
  	      if (url === "") {
  	        t1 = this.stylesheet.span;
  	        t1 = A.Uri_Uri$dataFromString(A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null), B.C_Utf8Codec, null).get$_text();
  	      } else
  	        t1 = this.importCache.sourceMapUrl$1(0, A.Uri_parse(url)).toString$0(0);
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.AsyncEnvironment.prototype = {
  	    closure$0() {
  	      var t4, t5, t6, _this = this,
  	        t1 = _this._async_environment$_forwardedModules,
  	        t2 = _this._async_environment$_nestedForwardedModules,
  	        t3 = _this._async_environment$_variables;
  	      t3 = A._setArrayType(t3.slice(0), A._arrayInstanceType(t3));
  	      t4 = _this._async_environment$_variableNodes;
  	      t4 = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	      t5 = _this._async_environment$_functions;
  	      t5 = A._setArrayType(t5.slice(0), A._arrayInstanceType(t5));
  	      t6 = _this._async_environment$_mixins;
  	      t6 = A._setArrayType(t6.slice(0), A._arrayInstanceType(t6));
  	      return A.AsyncEnvironment$_(_this._async_environment$_modules, _this._async_environment$_namespaceNodes, _this._async_environment$_globalModules, _this._async_environment$_importedModules, t1, t2, _this._async_environment$_allModules, t3, t4, t5, t6, _this._async_environment$_content, B.Set_empty1);
  	    },
  	    forwardModule$2(module, rule) {
  	      var view, t1, t2, _this = this,
  	        forwardedModules = _this._async_environment$_forwardedModules;
  	      if (forwardedModules == null)
  	        forwardedModules = _this._async_environment$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable, type$.AstNode);
  	      view = A.ForwardedModuleView_ifNecessary(module, rule, type$.AsyncCallable);
  	      for (t1 = new A.LinkedHashMapKeyIterator(forwardedModules, forwardedModules._modifications, forwardedModules._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        _this._async_environment$_assertNoConflicts$5(view.get$variables(), t2.get$variables(), view, t2, "variable");
  	        _this._async_environment$_assertNoConflicts$5(view.get$functions(view), t2.get$functions(t2), view, t2, "function");
  	        _this._async_environment$_assertNoConflicts$5(view.get$mixins(), t2.get$mixins(), view, t2, "mixin");
  	      }
  	      _this._async_environment$_allModules.push(module);
  	      forwardedModules.$indexSet(0, view, rule);
  	    },
  	    _async_environment$_assertNoConflicts$5(newMembers, oldMembers, newModule, oldModule, type) {
  	      var larger, smaller, t1, t2, t3, t4, $name, small, large, span;
  	      if (newMembers.get$length(newMembers) < oldMembers.get$length(oldMembers)) {
  	        larger = oldMembers;
  	        smaller = newMembers;
  	      } else {
  	        larger = newMembers;
  	        smaller = oldMembers;
  	      }
  	      for (t1 = type$.String, t2 = A.MapExtensions_get_pairs(smaller, t1, type$.Object), t2 = t2.get$iterator(t2), t3 = type === "variable"; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        $name = t4._0;
  	        small = t4._1;
  	        large = larger.$index(0, $name);
  	        if (large == null)
  	          continue;
  	        if (t3 ? newModule.variableIdentity$1($name) === oldModule.variableIdentity$1($name) : J.$eq$(large, small))
  	          continue;
  	        if (t3)
  	          $name = "$" + $name;
  	        t2 = this._async_environment$_forwardedModules;
  	        if (t2 == null)
  	          span = null;
  	        else {
  	          t2 = t2.$index(0, oldModule);
  	          span = t2 == null ? null : t2.get$span(t2);
  	        }
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, t1);
  	        if (span != null)
  	          t2.$indexSet(0, span, "original @forward");
  	        throw A.wrapException(A.MultiSpanSassScriptException$("Two forwarded modules both define a " + type + " named " + $name + ".", "new @forward", t2));
  	      }
  	    },
  	    importForwards$1(module) {
  	      var forwardedModules, t1, t2, t3, t4, node, t5, t6, t7, t8, t9, t10, _i, t11, shadowed, t12, t13, _length, _list, _this = this,
  	        forwarded = module._async_environment$_environment._async_environment$_forwardedModules;
  	      if (forwarded == null)
  	        return;
  	      forwardedModules = _this._async_environment$_forwardedModules;
  	      if (forwardedModules != null) {
  	        t1 = type$.Module_AsyncCallable;
  	        t2 = type$.AstNode;
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t1 = A.MapExtensions_get_pairs(forwarded, t1, t2), t1 = t1.get$iterator(t1), t2 = _this._async_environment$_globalModules; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          module = t4._0;
  	          node = t4._1;
  	          if (!forwardedModules.containsKey$1(module) || !t2.containsKey$1(module))
  	            t3.$indexSet(0, module, node);
  	        }
  	        forwarded = t3;
  	      } else
  	        forwardedModules = _this._async_environment$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable, type$.AstNode);
  	      t1 = type$.String;
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t3 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t3.moveNext$0();)
  	        for (t4 = t3.__js_helper$_current.get$variables(), t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4); t4.moveNext$0();)
  	          t2.add$1(0, t4.get$current(t4));
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();) {
  	        t5 = t4.__js_helper$_current;
  	        for (t5 = t5.get$functions(t5), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t3.add$1(0, t5.get$current(t5));
  	      }
  	      t1 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();)
  	        for (t5 = t4.__js_helper$_current.get$mixins(), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t1.add$1(0, t5.get$current(t5));
  	      t4 = _this._async_environment$_variables;
  	      t5 = t4.length;
  	      if (t5 === 1) {
  	        for (t5 = _this._async_environment$_importedModules, t6 = type$.Module_AsyncCallable, t7 = type$.AstNode, t8 = A.MapExtensions_get_pairs(t5, t6, t7).toList$0(0), t9 = t8.length, t10 = type$.AsyncCallable, _i = 0; _i < t8.length; t8.length === t9 || (0, A.throwConcurrentModificationError)(t8), ++_i) {
  	          t11 = t8[_i];
  	          module = t11._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            t5.remove$1(0, module);
  	            t12 = shadowed.variables;
  	            t13 = false;
  	            if (t12.get$isEmpty(t12)) {
  	              t12 = shadowed.functions;
  	              if (t12.get$isEmpty(t12)) {
  	                t12 = shadowed.mixins;
  	                if (t12.get$isEmpty(t12)) {
  	                  t12 = shadowed._shadowed_view$_inner;
  	                  t12 = t12.get$css(t12);
  	                  t12 = J.get$isEmpty$asx(t12.get$children(t12));
  	                } else
  	                  t12 = t13;
  	              } else
  	                t12 = t13;
  	            } else
  	              t12 = t13;
  	            if (!t12)
  	              t5.$indexSet(0, shadowed, t11._1);
  	          }
  	        }
  	        for (t6 = A.MapExtensions_get_pairs(forwardedModules, t6, t7).toList$0(0), t7 = t6.length, _i = 0; _i < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i) {
  	          t8 = t6[_i];
  	          module = t8._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            forwardedModules.remove$1(0, module);
  	            t9 = shadowed.variables;
  	            t11 = false;
  	            if (t9.get$isEmpty(t9)) {
  	              t9 = shadowed.functions;
  	              if (t9.get$isEmpty(t9)) {
  	                t9 = shadowed.mixins;
  	                if (t9.get$isEmpty(t9)) {
  	                  t9 = shadowed._shadowed_view$_inner;
  	                  t9 = t9.get$css(t9);
  	                  t9 = J.get$isEmpty$asx(t9.get$children(t9));
  	                } else
  	                  t9 = t11;
  	              } else
  	                t9 = t11;
  	            } else
  	              t9 = t11;
  	            if (!t9)
  	              forwardedModules.$indexSet(0, shadowed, t8._1);
  	          }
  	        }
  	        t5.addAll$1(0, forwarded);
  	        forwardedModules.addAll$1(0, forwarded);
  	      } else {
  	        t6 = _this._async_environment$_nestedForwardedModules;
  	        if (t6 == null) {
  	          _length = t5 - 1;
  	          _list = J.JSArray_JSArray$allocateGrowable(_length, type$.List_Module_AsyncCallable);
  	          for (t5 = type$.JSArray_Module_AsyncCallable, _i = 0; _i < _length; ++_i)
  	            _list[_i] = A._setArrayType([], t5);
  	          _this._async_environment$_nestedForwardedModules = _list;
  	          t5 = _list;
  	        } else
  	          t5 = t6;
  	        B.JSArray_methods.addAll$1(B.JSArray_methods.get$last(t5), new A.LinkedHashMapKeysIterable(forwarded, A._instanceType(forwarded)._eval$1("LinkedHashMapKeysIterable<1>")));
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, t2.$ti._precomputed1), t5 = _this._async_environment$_variableIndices, t6 = _this._async_environment$_variableNodes, t7 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t8 = t2._collection$_current;
  	        if (t8 == null)
  	          t8 = t7._as(t8);
  	        t5.remove$1(0, t8);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t8);
  	        B.JSArray_methods.get$last(t6).remove$1(0, t8);
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, t3.$ti._precomputed1), t3 = _this._async_environment$_functionIndices, t4 = _this._async_environment$_functions, t5 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t6 = t2._collection$_current;
  	        if (t6 == null)
  	          t6 = t5._as(t6);
  	        t3.remove$1(0, t6);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t6);
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, t1.$ti._precomputed1), t2 = _this._async_environment$_mixinIndices, t3 = _this._async_environment$_mixins, t4 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t5 = t1._collection$_current;
  	        if (t5 == null)
  	          t5 = t4._as(t5);
  	        t2.remove$1(0, t5);
  	        B.JSArray_methods.get$last(t3).remove$1(0, t5);
  	      }
  	    },
  	    getVariable$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment$_getModule$1(namespace).get$variables().$index(0, $name);
  	      if (_this._async_environment$_lastVariableName === $name) {
  	        t1 = _this._async_environment$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._async_environment$_variables[t1].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getVariableFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._async_environment$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._async_environment$_lastVariableName = $name;
  	        _this._async_environment$_lastVariableIndex = _0_0;
  	        t1 = _this._async_environment$_variables[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getVariableFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._async_environment$_lastVariableName = $name;
  	          _this._async_environment$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment$_variables[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment$_getVariableFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment$_getVariableFromGlobalModule$1($name);
  	      }
  	    },
  	    getVariable$1($name) {
  	      return this.getVariable$2$namespace($name, null);
  	    },
  	    _async_environment$_getVariableFromGlobalModule$1($name) {
  	      return this._async_environment$_fromOneModule$3($name, "variable", new A.AsyncEnvironment__getVariableFromGlobalModule_closure($name));
  	    },
  	    getVariableNode$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment$_getModule$1(namespace).get$variableNodes().$index(0, $name);
  	      if (_this._async_environment$_lastVariableName === $name) {
  	        t1 = _this._async_environment$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._async_environment$_variableNodes[t1].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._async_environment$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._async_environment$_lastVariableName = $name;
  	        _this._async_environment$_lastVariableIndex = _0_0;
  	        t1 = _this._async_environment$_variableNodes[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._async_environment$_lastVariableName = $name;
  	          _this._async_environment$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment$_variableNodes[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment$_getVariableNodeFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment$_getVariableNodeFromGlobalModule$1($name);
  	      }
  	    },
  	    _async_environment$_getVariableNodeFromGlobalModule$1($name) {
  	      var t1, t2, _0_0;
  	      for (t1 = this._async_environment$_importedModules, t2 = this._async_environment$_globalModules, t2 = new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")).followedBy$1(0, new A.LinkedHashMapKeysIterable(t2, A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>"))), t2 = new A.FollowedByIterator(J.get$iterator$ax(t2.__internal$_first), t2._second); t2.moveNext$0();) {
  	        t1 = t2._currentIterator;
  	        _0_0 = t1.get$current(t1).get$variableNodes().$index(0, $name);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    globalVariableExists$2$namespace($name, namespace) {
  	      if (namespace != null)
  	        return this._async_environment$_getModule$1(namespace).get$variables().containsKey$1($name);
  	      if (B.JSArray_methods.get$first(this._async_environment$_variables).containsKey$1($name))
  	        return true;
  	      return this._async_environment$_getVariableFromGlobalModule$1($name) != null;
  	    },
  	    globalVariableExists$1($name) {
  	      return this.globalVariableExists$2$namespace($name, null);
  	    },
  	    _async_environment$_variableIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment$_variables, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    setVariable$5$global$namespace($name, value, nodeWithSpan, global, namespace) {
  	      var t1, moduleWithName, nestedForwardedModules, t2, t3, t4, t5, index, _this = this;
  	      if (namespace != null) {
  	        _this._async_environment$_getModule$1(namespace).setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      if (global || _this._async_environment$_variables.length === 1) {
  	        _this._async_environment$_variableIndices.putIfAbsent$2($name, new A.AsyncEnvironment_setVariable_closure(_this, $name));
  	        t1 = _this._async_environment$_variables;
  	        if (!B.JSArray_methods.get$first(t1).containsKey$1($name)) {
  	          moduleWithName = _this._async_environment$_fromOneModule$3($name, "variable", new A.AsyncEnvironment_setVariable_closure0($name));
  	          if (moduleWithName != null) {
  	            moduleWithName.setVariable$3($name, value, nodeWithSpan);
  	            return;
  	          }
  	        }
  	        B.JSArray_methods.get$first(t1).$indexSet(0, $name, value);
  	        B.JSArray_methods.get$first(_this._async_environment$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	        return;
  	      }
  	      nestedForwardedModules = _this._async_environment$_nestedForwardedModules;
  	      if (nestedForwardedModules != null && !_this._async_environment$_variableIndices.containsKey$1($name) && _this._async_environment$_variableIndex$1($name) == null)
  	        for (t1 = A._arrayInstanceType(nestedForwardedModules)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(nestedForwardedModules, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            if (t5 == null)
  	              t5 = t4._as(t5);
  	            if (t5.get$variables().containsKey$1($name)) {
  	              t5.setVariable$3($name, value, nodeWithSpan);
  	              return;
  	            }
  	          }
  	        }
  	      if (_this._async_environment$_lastVariableName === $name) {
  	        t1 = _this._async_environment$_lastVariableIndex;
  	        t1.toString;
  	        index = t1;
  	      } else
  	        index = _this._async_environment$_variableIndices.putIfAbsent$2($name, new A.AsyncEnvironment_setVariable_closure1(_this, $name));
  	      if (!_this._async_environment$_inSemiGlobalScope && index === 0) {
  	        index = _this._async_environment$_variables.length - 1;
  	        _this._async_environment$_variableIndices.$indexSet(0, $name, index);
  	      }
  	      _this._async_environment$_lastVariableName = $name;
  	      _this._async_environment$_lastVariableIndex = index;
  	      _this._async_environment$_variables[index].$indexSet(0, $name, value);
  	      _this._async_environment$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    setVariable$4$global($name, value, nodeWithSpan, global) {
  	      return this.setVariable$5$global$namespace($name, value, nodeWithSpan, global, null);
  	    },
  	    setLocalVariable$3($name, value, nodeWithSpan) {
  	      var index, _this = this,
  	        t1 = _this._async_environment$_variables,
  	        t2 = t1.length;
  	      _this._async_environment$_lastVariableName = $name;
  	      index = _this._async_environment$_lastVariableIndex = t2 - 1;
  	      _this._async_environment$_variableIndices.$indexSet(0, $name, index);
  	      t1[index].$indexSet(0, $name, value);
  	      _this._async_environment$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    getFunction$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null) {
  	        t1 = _this._async_environment$_getModule$1(namespace);
  	        return t1.get$functions(t1).$index(0, $name);
  	      }
  	      t1 = _this._async_environment$_functionIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._async_environment$_functions[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getFunctionFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment$_functionIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment$_functions[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment$_getFunctionFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment$_getFunctionFromGlobalModule$1($name);
  	      }
  	    },
  	    getFunction$1($name) {
  	      return this.getFunction$2$namespace($name, null);
  	    },
  	    _async_environment$_getFunctionFromGlobalModule$1($name) {
  	      return this._async_environment$_fromOneModule$3($name, "function", new A.AsyncEnvironment__getFunctionFromGlobalModule_closure($name));
  	    },
  	    _async_environment$_functionIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment$_functions, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    getMixin$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment$_getModule$1(namespace).get$mixins().$index(0, $name);
  	      t1 = _this._async_environment$_mixinIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._async_environment$_mixins[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment$_getMixinFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment$_mixinIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment$_mixins[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment$_getMixinFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment$_getMixinFromGlobalModule$1($name);
  	      }
  	    },
  	    _async_environment$_getMixinFromGlobalModule$1($name) {
  	      return this._async_environment$_fromOneModule$3($name, "mixin", new A.AsyncEnvironment__getMixinFromGlobalModule_closure($name));
  	    },
  	    _async_environment$_mixinIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment$_mixins, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    withContent$2($content, callback) {
  	      return this.withContent$body$AsyncEnvironment($content, callback);
  	    },
  	    withContent$body$AsyncEnvironment($content, callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, oldContent;
  	      var $async$withContent$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldContent = $async$self._async_environment$_content;
  	              $async$self._async_environment$_content = $content;
  	              $async$goto = 2;
  	              return A._asyncAwait(callback.call$0(), $async$withContent$2);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_environment$_content = oldContent;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$withContent$2, $async$completer);
  	    },
  	    asMixin$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, oldInMixin;
  	      var $async$asMixin$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInMixin = $async$self._async_environment$_inMixin;
  	              $async$self._async_environment$_inMixin = true;
  	              $async$goto = 2;
  	              return A._asyncAwait(callback.call$0(), $async$asMixin$1);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_environment$_inMixin = oldInMixin;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$asMixin$1, $async$completer);
  	    },
  	    scope$1$3$semiGlobal$when(callback, semiGlobal, when, $T) {
  	      return this.scope$body$AsyncEnvironment(callback, semiGlobal, when, $T, $T);
  	    },
  	    scope$1$1(callback, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, true, $T);
  	    },
  	    scope$1$2$when(callback, when, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, when, $T);
  	    },
  	    scope$1$2$semiGlobal(callback, semiGlobal, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, semiGlobal, true, $T);
  	    },
  	    scope$body$AsyncEnvironment(callback, semiGlobal, when, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, wasInSemiGlobalScope, $name, name0, name1, t1, t2, t3, t4, t5, t6;
  	      var $async$scope$1$3$semiGlobal$when = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              semiGlobal = semiGlobal && $async$self._async_environment$_inSemiGlobalScope;
  	              wasInSemiGlobalScope = $async$self._async_environment$_inSemiGlobalScope;
  	              $async$self._async_environment$_inSemiGlobalScope = semiGlobal;
  	              $async$goto = !when ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$handler = 5;
  	              $async$goto = 8;
  	              return A._asyncAwait(callback.call$0(), $async$scope$1$3$semiGlobal$when);
  	            case 8:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 6;
  	              break;
  	            case 5:
  	              // uncaught
  	              $async$next = [2];
  	            case 6:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_environment$_inSemiGlobalScope = wasInSemiGlobalScope;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 7:
  	              // after finally
  	            case 4:
  	              // join
  	              t1 = $async$self._async_environment$_variables;
  	              t2 = type$.String;
  	              B.JSArray_methods.add$1(t1, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.Value));
  	              t3 = $async$self._async_environment$_variableNodes;
  	              B.JSArray_methods.add$1(t3, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.AstNode));
  	              t4 = $async$self._async_environment$_functions;
  	              t5 = type$.AsyncCallable;
  	              B.JSArray_methods.add$1(t4, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	              t6 = $async$self._async_environment$_mixins;
  	              B.JSArray_methods.add$1(t6, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	              t5 = $async$self._async_environment$_nestedForwardedModules;
  	              if (t5 != null)
  	                t5.push(A._setArrayType([], type$.JSArray_Module_AsyncCallable));
  	              $async$handler = 9;
  	              $async$goto = 12;
  	              return A._asyncAwait(callback.call$0(), $async$scope$1$3$semiGlobal$when);
  	            case 12:
  	              // returning from await.
  	              t2 = $async$result;
  	              $async$returnValue = t2;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 10;
  	              break;
  	            case 9:
  	              // uncaught
  	              $async$next = [2];
  	            case 10:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_environment$_inSemiGlobalScope = wasInSemiGlobalScope;
  	              $async$self._async_environment$_lastVariableIndex = $async$self._async_environment$_lastVariableName = null;
  	              for (t1 = B.JSArray_methods.removeLast$0(t1), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment$_variableIndices; t1.moveNext$0();) {
  	                $name = t1.get$current(t1);
  	                t2.remove$1(0, $name);
  	              }
  	              B.JSArray_methods.removeLast$0(t3);
  	              for (t1 = B.JSArray_methods.removeLast$0(t4), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment$_functionIndices; t1.moveNext$0();) {
  	                name0 = t1.get$current(t1);
  	                t2.remove$1(0, name0);
  	              }
  	              for (t1 = B.JSArray_methods.removeLast$0(t6), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment$_mixinIndices; t1.moveNext$0();) {
  	                name1 = t1.get$current(t1);
  	                t2.remove$1(0, name1);
  	              }
  	              t1 = $async$self._async_environment$_nestedForwardedModules;
  	              if (t1 != null)
  	                t1.pop();
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 11:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$scope$1$3$semiGlobal$when, $async$completer);
  	    },
  	    toImplicitConfiguration$0() {
  	      var t2, t3, t4, t5, t6, i, modules, t7, t8, t9, t10, $name, value, values, nodes, _this = this, _null = null,
  	        t1 = type$.String,
  	        configuration = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.ConfiguredValue);
  	      for (t2 = _this._async_environment$_variables, t3 = type$.Value, t4 = _this._async_environment$_variableNodes, t5 = _this._async_environment$_importedModules, t6 = A._instanceType(t5)._eval$1("LinkedHashMapKeysIterable<1>"), i = 0; i < t2.length; ++i) {
  	        if (i === 0)
  	          modules = new A.LinkedHashMapKeysIterable(t5, t6);
  	        else {
  	          t7 = _this._async_environment$_nestedForwardedModules;
  	          modules = t7 == null ? _null : t7[i - 1];
  	        }
  	        t7 = J.get$iterator$ax(modules == null ? B.List_empty15 : modules);
  	        while (t7.moveNext$0()) {
  	          t8 = t7.get$current(t7);
  	          for (t9 = A.MapExtensions_get_pairs(t8.get$variables(), t1, t3), t9 = t9.get$iterator(t9); t9.moveNext$0();) {
  	            t10 = t9.get$current(t9);
  	            $name = t10._0;
  	            value = t10._1;
  	            t10 = t8.get$variableNodes().$index(0, $name);
  	            t10.toString;
  	            configuration.$indexSet(0, $name, new A.ConfiguredValue(value, _null, t10));
  	          }
  	        }
  	        values = t2[i];
  	        nodes = t4[i];
  	        for (t7 = A.MapExtensions_get_pairs(values, t1, t3), t7 = t7.get$iterator(t7); t7.moveNext$0();) {
  	          t8 = t7.get$current(t7);
  	          $name = t8._0;
  	          value = t8._1;
  	          t8 = nodes.$index(0, $name);
  	          t8.toString;
  	          configuration.$indexSet(0, $name, new A.ConfiguredValue(value, _null, t8));
  	        }
  	      }
  	      return new A.Configuration(configuration, _null);
  	    },
  	    toModule$3(css, preModuleComments, extensionStore) {
  	      return A._EnvironmentModule__EnvironmentModule0(this, css, preModuleComments, extensionStore, A.NullableExtension_andThen(this._async_environment$_forwardedModules, new A.AsyncEnvironment_toModule_closure()));
  	    },
  	    toDummyModule$0() {
  	      return A._EnvironmentModule__EnvironmentModule0(this, new A.CssStylesheet(new A.UnmodifiableListView(B.List_empty3, type$.UnmodifiableListView_CssNode), A.SourceFile$decoded(B.List_empty4, "<dummy module>").span$1(0, 0)), B.Map_empty7, B.C_EmptyExtensionStore, A.NullableExtension_andThen(this._async_environment$_forwardedModules, new A.AsyncEnvironment_toDummyModule_closure()));
  	    },
  	    _async_environment$_getModule$1(namespace) {
  	      var _0_0 = this._async_environment$_modules.$index(0, namespace);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$('There is no module with the namespace "' + namespace + '".', null));
  	    },
  	    _async_environment$_fromOneModule$1$3($name, type, callback) {
  	      var t1, t2, t3, t4, t5, _1_0, _2_0, value, identity, valueInModule, identityFromModule, module, node,
  	        _0_0 = this._async_environment$_nestedForwardedModules;
  	      if (_0_0 != null)
  	        for (t1 = A._arrayInstanceType(_0_0)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(_0_0, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            _1_0 = callback.call$1(t5 == null ? t4._as(t5) : t5);
  	            if (_1_0 != null)
  	              return _1_0;
  	          }
  	        }
  	      for (t1 = this._async_environment$_importedModules, t1 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first); t1.moveNext$0();) {
  	        _2_0 = callback.call$1(t1.__js_helper$_current);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      for (t1 = this._async_environment$_globalModules, t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first), t3 = type$.AsyncCallable, value = null, identity = null; t2.moveNext$0();) {
  	        t4 = t2.__js_helper$_current;
  	        valueInModule = callback.call$1(t4);
  	        if (valueInModule == null)
  	          continue;
  	        identityFromModule = t3._is(valueInModule) ? valueInModule : t4.variableIdentity$1($name);
  	        if (identityFromModule.$eq(0, identity))
  	          continue;
  	        if (value != null) {
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          for (t3 = A.MapExtensions_get_pairs(t1, type$.Module_AsyncCallable, type$.AstNode), t3 = t3.get$iterator(t3), t4 = "includes " + type; t3.moveNext$0();) {
  	            t1 = t3.get$current(t3);
  	            module = t1._0;
  	            node = t1._1;
  	            if (callback.call$1(module) != null)
  	              t2.$indexSet(0, node.get$span(node), t4);
  	          }
  	          throw A.wrapException(A.MultiSpanSassScriptException$("This " + type + string$.x20is_av, type + " use", t2));
  	        }
  	        identity = identityFromModule;
  	        value = valueInModule;
  	      }
  	      return value;
  	    },
  	    _async_environment$_fromOneModule$3($name, type, callback) {
  	      return this._async_environment$_fromOneModule$1$3($name, type, callback, type$.dynamic);
  	    }
  	  };
  	  A.AsyncEnvironment__getVariableFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$variables().$index(0, this.name);
  	    },
  	    $signature: 401
  	  };
  	  A.AsyncEnvironment_setVariable_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._async_environment$_lastVariableName = this.name;
  	      return t1._async_environment$_lastVariableIndex = 0;
  	    },
  	    $signature: 10
  	  };
  	  A.AsyncEnvironment_setVariable_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$variables().containsKey$1(this.name) ? module : null;
  	    },
  	    $signature: 403
  	  };
  	  A.AsyncEnvironment_setVariable_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._async_environment$_variableIndex$1(this.name);
  	      return t2 == null ? t1._async_environment$_variables.length - 1 : t2;
  	    },
  	    $signature: 10
  	  };
  	  A.AsyncEnvironment__getFunctionFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module).$index(0, this.name);
  	    },
  	    $signature: 173
  	  };
  	  A.AsyncEnvironment__getMixinFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$mixins().$index(0, this.name);
  	    },
  	    $signature: 173
  	  };
  	  A.AsyncEnvironment_toModule_closure.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_AsyncCallable);
  	    },
  	    $signature: 174
  	  };
  	  A.AsyncEnvironment_toDummyModule_closure.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_AsyncCallable);
  	    },
  	    $signature: 174
  	  };
  	  A._EnvironmentModule0.prototype = {
  	    get$url(_) {
  	      var t1 = this.css;
  	      t1 = t1.get$span(t1);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t1, t2,
  	        _0_0 = this._async_environment$_modulesByVariable.$index(0, $name);
  	      if (_0_0 != null) {
  	        _0_0.setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      t1 = this._async_environment$_environment;
  	      t2 = t1._async_environment$_variables;
  	      if (!B.JSArray_methods.get$first(t2).containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$("Undefined variable.", null));
  	      B.JSArray_methods.get$first(t2).$indexSet(0, $name, value);
  	      B.JSArray_methods.get$first(t1._async_environment$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	      return;
  	    },
  	    variableIdentity$1($name) {
  	      var module = this._async_environment$_modulesByVariable.$index(0, $name);
  	      return module == null ? this : module.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t2, t3, _0_0, variable, module,
  	        t1 = this._async_environment$_environment._async_environment$_configurableVariables;
  	      if (!(variables.get$length(variables) < t1.get$length(t1) ? variables.any$1(0, t1.get$contains(t1)) : t1.any$1(0, variables.get$contains(variables)))) {
  	        t1 = this._async_environment$_modulesByVariable;
  	        t2 = type$.Module_AsyncCallable;
  	        if (variables.get$length(variables) < t1.get$length(t1)) {
  	          t2 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t3 = variables.get$iterator(variables); t3.moveNext$0();) {
  	            _0_0 = t1.$index(0, t3.get$current(t3));
  	            if (_0_0 != null)
  	              t2.add$1(0, _0_0);
  	          }
  	          t1 = t2;
  	        } else {
  	          t3 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t1 = A.MapExtensions_get_pairs(t1, type$.String, t2), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	            t2 = t1.get$current(t1);
  	            variable = t2._0;
  	            module = t2._1;
  	            if (variables.contains$1(0, variable))
  	              t3.add$1(0, module);
  	          }
  	          t1 = t3;
  	        }
  	        t1 = t1.any$1(0, new A._EnvironmentModule_couldHaveBeenConfigured_closure0(variables));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    cloneCss$0() {
  	      var _0_0, _this = this;
  	      if (!_this.transitivelyContainsCss)
  	        return _this;
  	      _0_0 = A.cloneCssStylesheet(_this.css, _this.extensionStore);
  	      return A._EnvironmentModule$_0(_this._async_environment$_environment, _0_0._0, _this.preModuleComments, _0_0._1, _this._async_environment$_modulesByVariable, _this.variables, _this.variableNodes, _this.functions, _this.mixins, true, _this.transitivelyContainsExtensions);
  	    },
  	    toString$0(_) {
  	      var t1 = this.css,
  	        t2 = t1.get$span(t1);
  	      if (t2.get$sourceUrl(t2) == null)
  	        t1 = "<unknown url>";
  	      else {
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$sourceUrl(t1);
  	        t2 = $.$get$context();
  	        t1.toString;
  	        t1 = t2.prettyUri$1(t1);
  	      }
  	      return t1;
  	    },
  	    $isModule0: 1,
  	    get$upstream() {
  	      return this.upstream;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$extensionStore() {
  	      return this.extensionStore;
  	    },
  	    get$css(receiver) {
  	      return this.css;
  	    },
  	    get$preModuleComments() {
  	      return this.preModuleComments;
  	    },
  	    get$transitivelyContainsCss() {
  	      return this.transitivelyContainsCss;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this.transitivelyContainsExtensions;
  	    }
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure5.prototype = {
  	    call$1(module) {
  	      return module.get$variables();
  	    },
  	    $signature: 425
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure6.prototype = {
  	    call$1(module) {
  	      return module.get$variableNodes();
  	    },
  	    $signature: 695
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure7.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module);
  	    },
  	    $signature: 180
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure8.prototype = {
  	    call$1(module) {
  	      return module.get$mixins();
  	    },
  	    $signature: 180
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure9.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 102
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure10.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsExtensions();
  	    },
  	    $signature: 102
  	  };
  	  A._EnvironmentModule_couldHaveBeenConfigured_closure0.prototype = {
  	    call$1(module) {
  	      return module.couldHaveBeenConfigured$1(this.variables);
  	    },
  	    $signature: 102
  	  };
  	  A.AsyncImportCache.prototype = {
  	    canonicalize$4$baseImporter$baseUrl$forImport(_, url, baseImporter, baseUrl, forImport) {
  	      return this.canonicalize$body$AsyncImportCache(0, url, baseImporter, baseUrl, forImport);
  	    },
  	    canonicalize$body$AsyncImportCache(_, url, baseImporter, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl),
  	        $async$returnValue, $async$self = this, t1, resolvedUrl, key, relativeResult, t2, t3, t4, t5, t6, cacheable, i, importer, perImporterKey, t7, _1_0, _1_2_isSet, result, _1_2, _2_0, _2_1, _2_5_isSet, _2_5, _2_3, _2_3_isSet, j;
  	      var $async$canonicalize$4$baseImporter$baseUrl$forImport = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (A.isBrowser())
  	                t1 = (baseImporter == null || baseImporter instanceof A.NoOpImporter) && $async$self._async_import_cache$_importers.length === 0;
  	              else
  	                t1 = false;
  	              if (t1)
  	                throw A.wrapException(string$.Customi);
  	              $async$goto = baseImporter != null && url.get$scheme() === "" ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              resolvedUrl = baseUrl == null ? null : baseUrl.resolveUri$1(url);
  	              if (resolvedUrl == null)
  	                resolvedUrl = url;
  	              key = new A._Record_3_forImport(baseImporter, resolvedUrl, forImport);
  	              $async$goto = 5;
  	              return A._asyncAwait(A.putIfAbsentAsync($async$self._async_import_cache$_perImporterCanonicalizeCache, key, new A.AsyncImportCache_canonicalize_closure($async$self, baseImporter, resolvedUrl, baseUrl, forImport, key, url), type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport, type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl), $async$canonicalize$4$baseImporter$baseUrl$forImport);
  	            case 5:
  	              // returning from await.
  	              relativeResult = $async$result;
  	              if (relativeResult != null) {
  	                $async$returnValue = relativeResult;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // join
  	              key = new A._Record_2_forImport(url, forImport);
  	              t1 = $async$self._async_import_cache$_canonicalizeCache;
  	              if (t1.containsKey$1(key)) {
  	                $async$returnValue = t1.$index(0, key);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t2 = $async$self._async_import_cache$_importers, t3 = type$.Record_1_nullable_Object, t4 = $async$self._async_import_cache$_perImporterCanonicalizeCache, t5 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl, t6 = type$.Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl, cacheable = true, i = 0;
  	            case 6:
  	              // for condition
  	              if (!(i < t2.length)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              importer = t2[i];
  	              perImporterKey = new A._Record_3_forImport(importer, url, forImport);
  	              if (t4.containsKey$1(perImporterKey)) {
  	                t7 = t4.$index(0, perImporterKey);
  	                _1_0 = new A._Record_1(t7 == null ? t5._as(t7) : t7);
  	              } else
  	                _1_0 = null;
  	              _1_2_isSet = t3._is(_1_0);
  	              result = null;
  	              if (_1_2_isSet) {
  	                _1_2 = _1_0._0;
  	                t7 = _1_2 != null;
  	                if (t7) {
  	                  t6._as(_1_2);
  	                  result = _1_2;
  	                }
  	              } else {
  	                _1_2 = null;
  	                t7 = false;
  	              }
  	              if (t7) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (_1_2_isSet)
  	                t7 = _1_2 == null;
  	              else
  	                t7 = false;
  	              if (t7) {
  	                // goto for update
  	                $async$goto = 7;
  	                break;
  	              }
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_import_cache$_canonicalize$4(importer, url, baseUrl, forImport), $async$canonicalize$4$baseImporter$baseUrl$forImport);
  	            case 10:
  	              // returning from await.
  	              _2_0 = $async$result;
  	              _2_1 = _2_0._0;
  	              _2_5_isSet = _2_1 != null;
  	              _2_5 = null;
  	              _2_3 = null;
  	              t7 = false;
  	              if (_2_5_isSet) {
  	                result = _2_1 == null ? t6._as(_2_1) : _2_1;
  	                _2_3 = _2_0._1;
  	                t7 = _2_3;
  	                _2_5 = t7;
  	                t7 = t7 && cacheable;
  	              } else
  	                result = null;
  	              if (t7) {
  	                t1.$indexSet(0, key, result);
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (_2_5_isSet) {
  	                t7 = _2_5;
  	                _2_3_isSet = _2_5_isSet;
  	              } else {
  	                _2_3 = _2_0._1;
  	                t7 = _2_3;
  	                _2_3_isSet = true;
  	              }
  	              t7 = t7 && !cacheable;
  	              if (t7) {
  	                t4.$indexSet(0, perImporterKey, _2_1);
  	                if (_2_1 != null) {
  	                  $async$returnValue = _2_1;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	                // goto break $label0$1
  	                $async$goto = 9;
  	                break;
  	              }
  	              t7 = false === (_2_3_isSet ? _2_3 : _2_0._1);
  	              if (t7) {
  	                if (cacheable) {
  	                  for (j = 0; j < i; ++j)
  	                    t4.$indexSet(0, new A._Record_3_forImport(t2[j], url, forImport), null);
  	                  cacheable = false;
  	                }
  	                if (_2_1 != null) {
  	                  $async$returnValue = _2_1;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	              }
  	            case 9:
  	              // break $label0$1
  	            case 7:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	              if (cacheable)
  	                t1.$indexSet(0, key, null);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$canonicalize$4$baseImporter$baseUrl$forImport, $async$completer);
  	    },
  	    _async_import_cache$_canonicalize$4(importer, url, baseUrl, forImport) {
  	      return this._canonicalize$body$AsyncImportCache(importer, url, baseUrl, forImport);
  	    },
  	    _canonicalize$body$AsyncImportCache(importer, url, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_and_bool),
  	        $async$returnValue, t1, passContainingUrl, canonicalizeContext, result, cacheable;
  	      var $async$_async_import_cache$_canonicalize$4 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = baseUrl != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = url.get$scheme() !== "" ? 6 : 8;
  	              break;
  	            case 6:
  	              // then
  	              t1 = A._Future$value(importer.isNonCanonicalScheme$1(url.get$scheme()), type$.bool);
  	              $async$goto = 9;
  	              return A._asyncAwait(t1, $async$_async_import_cache$_canonicalize$4);
  	            case 9:
  	              // returning from await.
  	              t1 = $async$result;
  	              passContainingUrl = t1;
  	              // goto join
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // else
  	              passContainingUrl = true;
  	            case 7:
  	              // join
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              passContainingUrl = false;
  	            case 4:
  	              // join
  	              canonicalizeContext = new A.CanonicalizeContext(forImport, passContainingUrl ? baseUrl : null);
  	              t1 = type$.nullable_Object;
  	              t1 = A.runZoned(new A.AsyncImportCache__canonicalize_closure(importer, url), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__canonicalizeContext, canonicalizeContext], t1, t1), type$.FutureOr_nullable_Uri);
  	              $async$goto = 10;
  	              return A._asyncAwait(type$.Future_nullable_Uri._is(t1) ? t1 : A._Future$value(t1, type$.nullable_Uri), $async$_async_import_cache$_canonicalize$4);
  	            case 10:
  	              // returning from await.
  	              result = $async$result;
  	              cacheable = !passContainingUrl || !canonicalizeContext._wasContainingUrlAccessed;
  	              if (result == null) {
  	                $async$returnValue = new A._Record_2(null, cacheable);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = result.get$scheme() !== "" ? 11 : 13;
  	              break;
  	            case 11:
  	              // then
  	              t1 = A._Future$value(importer.isNonCanonicalScheme$1(result.get$scheme()), type$.bool);
  	              $async$goto = 14;
  	              return A._asyncAwait(t1, $async$_async_import_cache$_canonicalize$4);
  	            case 14:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto join
  	              $async$goto = 12;
  	              break;
  	            case 13:
  	              // else
  	              t1 = false;
  	            case 12:
  	              // join
  	              if (t1)
  	                throw A.wrapException("Importer " + importer.toString$0(0) + " canonicalized " + url.toString$0(0) + " to " + result.toString$0(0) + string$.x2c_whicu);
  	              $async$returnValue = new A._Record_2(new A._Record_3_originalUrl(importer, result, url), cacheable);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_import_cache$_canonicalize$4, $async$completer);
  	    },
  	    importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl) {
  	      return this.importCanonical$body$AsyncImportCache(importer, canonicalUrl, originalUrl);
  	    },
  	    importCanonical$body$AsyncImportCache(importer, canonicalUrl, originalUrl) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Stylesheet),
  	        $async$returnValue, $async$self = this;
  	      var $async$importCanonical$3$originalUrl = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(A.putIfAbsentAsync($async$self._async_import_cache$_importCache, canonicalUrl, new A.AsyncImportCache_importCanonical_closure($async$self, importer, canonicalUrl, originalUrl), type$.Uri, type$.nullable_Stylesheet), $async$importCanonical$3$originalUrl);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$importCanonical$3$originalUrl, $async$completer);
  	    },
  	    humanize$1(canonicalUrl) {
  	      var t1 = this._async_import_cache$_canonicalizeCache,
  	        t2 = type$.NonNullsIterable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl;
  	      t2 = A.NullableExtension_andThen(A.minBy(new A.MappedIterable(new A.WhereIterable(new A.NonNullsIterable(new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>")), t2), new A.AsyncImportCache_humanize_closure(canonicalUrl), t2._eval$1("WhereIterable<Iterable.E>")), new A.AsyncImportCache_humanize_closure0(), t2._eval$1("MappedIterable<Iterable.E,Uri>")), new A.AsyncImportCache_humanize_closure1()), new A.AsyncImportCache_humanize_closure2(canonicalUrl));
  	      return t2 == null ? canonicalUrl : t2;
  	    },
  	    sourceMapUrl$1(_, canonicalUrl) {
  	      var t1 = this._async_import_cache$_resultsCache.$index(0, canonicalUrl);
  	      t1 = t1 == null ? null : t1.get$sourceMapUrl(0);
  	      return t1 == null ? canonicalUrl : t1;
  	    }
  	  };
  	  A.AsyncImportCache_canonicalize_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, result;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.baseUrl;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_import_cache$_canonicalize$4($async$self.baseImporter, $async$self.resolvedUrl, t2, $async$self.forImport), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              result = _0_0._0;
  	              _0_0._1;
  	              if (t2 != null)
  	                t1._async_import_cache$_nonCanonicalRelativeUrls.$indexSet(0, $async$self.key, $async$self.url);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 469
  	  };
  	  A.AsyncImportCache__canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.importer.canonicalize$1(0, this.url);
  	    },
  	    $signature: 182
  	  };
  	  A.AsyncImportCache_importCanonical_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Stylesheet),
  	        $async$returnValue, $async$self = this, t1, t2, t3, result;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = Date.now();
  	              t2 = $async$self.canonicalUrl;
  	              t3 = A._Future$value($async$self.importer.load$1(0, t2), type$.nullable_ImporterResult);
  	              $async$goto = 3;
  	              return A._asyncAwait(t3, $async$call$0);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t3 = $async$self.$this;
  	              t3._async_import_cache$_loadTimes.$indexSet(0, t2, new A.DateTime(t1, 0, false));
  	              t3._async_import_cache$_resultsCache.$indexSet(0, t2, result);
  	              t3 = result.contents;
  	              t1 = result.syntax;
  	              t2 = $async$self.originalUrl.resolveUri$1(t2);
  	              $async$returnValue = A.Stylesheet_Stylesheet$parse(t3, t1, false, t2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 494
  	  };
  	  A.AsyncImportCache_humanize_closure.prototype = {
  	    call$1(result) {
  	      return result._1.$eq(0, this.canonicalUrl);
  	    },
  	    $signature: 516
  	  };
  	  A.AsyncImportCache_humanize_closure0.prototype = {
  	    call$1(result) {
  	      return result._2;
  	    },
  	    $signature: 518
  	  };
  	  A.AsyncImportCache_humanize_closure1.prototype = {
  	    call$1(url) {
  	      return url.get$path(url).length;
  	    },
  	    $signature: 107
  	  };
  	  A.AsyncImportCache_humanize_closure2.prototype = {
  	    call$1(url) {
  	      var t1 = $.$get$url(),
  	        t2 = this.canonicalUrl;
  	      return url.resolve$1(0, A.ParsedPath_ParsedPath$parse(t2.get$path(t2), t1.style).get$basename());
  	    },
  	    $signature: 49
  	  };
  	  A.AsyncBuiltInCallable.prototype = {
  	    callbackFor$2(positional, names) {
  	      return new A._Record_2(this._parameters, this._async_built_in$_callback);
  	    },
  	    withDeprecationWarning$1(module) {
  	      return new A.AsyncBuiltInCallable(this.name, this._parameters, new A.AsyncBuiltInCallable_withDeprecationWarning_closure(this, module, null), false);
  	    },
  	    $isAsyncCallable: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    },
  	    get$acceptsContent() {
  	      return this.acceptsContent;
  	    }
  	  };
  	  A.AsyncBuiltInCallable$mixin_closure.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$AsyncBuiltInCallable$mixin_closure($arguments);
  	    },
  	    $call$body$AsyncBuiltInCallable$mixin_closure($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.callback.call$1($arguments);
  	              $async$goto = 3;
  	              return A._asyncAwait(t1 instanceof A._Future ? t1 : A._Future$value(t1, type$.void), $async$call$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = B.C__SassNull;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 190
  	  };
  	  A.AsyncBuiltInCallable_withDeprecationWarning_closure.prototype = {
  	    call$1(args) {
  	      var t1 = this.$this;
  	      A.warnForDeprecation(string$.Global + this.module + "." + t1.name + string$.x20inste, B.Deprecation_WW3);
  	      return t1._async_built_in$_callback.call$1(args);
  	    },
  	    $signature: 587
  	  };
  	  A.BuiltInCallable.prototype = {
  	    callbackFor$2(positional, names) {
  	      var t1, t2, fuzzyMatch, minMismatchDistance, _i, overload, t3, mismatchDistance, t4;
  	      for (t1 = this._overloads, t2 = t1.length, fuzzyMatch = null, minMismatchDistance = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        overload = t1[_i];
  	        t3 = overload._0;
  	        if (t3.matches$2(positional, names))
  	          return overload;
  	        mismatchDistance = t3.parameters.length - positional;
  	        if (minMismatchDistance != null) {
  	          t3 = Math.abs(mismatchDistance);
  	          t4 = Math.abs(minMismatchDistance);
  	          if (t3 > t4)
  	            continue;
  	          if (t3 === t4 && mismatchDistance < 0)
  	            continue;
  	        }
  	        minMismatchDistance = mismatchDistance;
  	        fuzzyMatch = overload;
  	      }
  	      if (fuzzyMatch != null)
  	        return fuzzyMatch;
  	      throw A.wrapException(A.StateError$("BuiltInCallable " + this.name + " may not have empty overloads."));
  	    },
  	    withName$1($name) {
  	      return new A.BuiltInCallable($name, this._overloads, this.acceptsContent);
  	    },
  	    withDeprecationWarning$2(module, newName) {
  	      var t2, t3, _i, t4, t5, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value);
  	      for (t2 = _this._overloads, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = {};
  	        t5 = t2[_i];
  	        t4.$function = null;
  	        t4.$function = t5._1;
  	        t1.push(new A._Record_2(t5._0, new A.BuiltInCallable_withDeprecationWarning_closure(t4, _this, module, newName)));
  	      }
  	      return new A.BuiltInCallable(_this.name, t1, _this.acceptsContent);
  	    },
  	    withDeprecationWarning$1(module) {
  	      return this.withDeprecationWarning$2(module, null);
  	    },
  	    $isCallable0: 1,
  	    $isAsyncCallable: 1,
  	    $isAsyncBuiltInCallable: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    },
  	    get$acceptsContent() {
  	      return this.acceptsContent;
  	    }
  	  };
  	  A.BuiltInCallable$mixin_closure.prototype = {
  	    call$1($arguments) {
  	      this.callback.call$1($arguments);
  	      return B.C__SassNull;
  	    },
  	    $signature: 5
  	  };
  	  A.BuiltInCallable_withDeprecationWarning_closure.prototype = {
  	    call$1(args) {
  	      var _this = this,
  	        t1 = _this.newName;
  	      if (t1 == null)
  	        t1 = _this.$this.name;
  	      A.warnForDeprecation(string$.Global + _this.module + "." + t1 + string$.x20inste, B.Deprecation_WW3);
  	      return _this._box_0.$function.call$1(args);
  	    },
  	    $signature: 5
  	  };
  	  A.PlainCssCallable.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PlainCssCallable && this.name === other.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    },
  	    $isCallable0: 1,
  	    $isAsyncCallable: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    }
  	  };
  	  A.UserDefinedCallable.prototype = {
  	    get$name(_) {
  	      return this.declaration.name;
  	    },
  	    $isCallable0: 1,
  	    $isAsyncCallable: 1
  	  };
  	  A._compileStylesheet_closure.prototype = {
  	    call$1(url) {
  	      var t1;
  	      if (url === "") {
  	        t1 = this.stylesheet.span;
  	        t1 = A.Uri_Uri$dataFromString(A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null), B.C_Utf8Codec, null).get$_text();
  	      } else
  	        t1 = this.importCache.sourceMapUrl$1(0, A.Uri_parse(url)).toString$0(0);
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.CompileResult.prototype = {};
  	  A.Configuration.prototype = {
  	    throughForward$1($forward) {
  	      var _0_0, _1_0, _2_0, t1, hiddenVariables,
  	        newValues = this._configuration$_values;
  	      if (newValues.get$isEmpty(newValues))
  	        return this;
  	      _0_0 = $forward.prefix;
  	      if (_0_0 != null)
  	        newValues = new A.UnprefixedMapView(newValues, _0_0, type$.UnprefixedMapView_ConfiguredValue);
  	      _1_0 = $forward.shownVariables;
  	      if (_1_0 != null)
  	        newValues = new A.LimitedMapView(newValues, _1_0._base.intersection$1(new A.MapKeySet(newValues, type$.MapKeySet_nullable_Object)), type$.LimitedMapView_String_ConfiguredValue);
  	      else {
  	        _2_0 = $forward.hiddenVariables;
  	        if (_2_0 != null) {
  	          t1 = _2_0._base.get$isNotEmpty(0);
  	          hiddenVariables = _2_0;
  	        } else {
  	          hiddenVariables = null;
  	          t1 = false;
  	        }
  	        if (t1)
  	          newValues = A.LimitedMapView$blocklist(newValues, hiddenVariables, type$.String, type$.ConfiguredValue);
  	      }
  	      return this._withValues$1(newValues);
  	    },
  	    _withValues$1(values) {
  	      var t1 = this.__originalConfiguration;
  	      return new A.Configuration(values, t1 == null ? this : t1);
  	    },
  	    toString$0(_) {
  	      var t2, t3,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = A.MapExtensions_get_pairs(new A.UnmodifiableMapView(this._configuration$_values, type$.UnmodifiableMapView_String_ConfiguredValue), type$.String, type$.ConfiguredValue), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push("$" + t3._0 + ": " + t3._1.toString$0(0));
  	      }
  	      return "(" + B.JSArray_methods.join$1(t1, ",") + ")";
  	    }
  	  };
  	  A.ExplicitConfiguration.prototype = {
  	    _withValues$1(values) {
  	      var t1 = this.__originalConfiguration;
  	      if (t1 == null)
  	        t1 = this;
  	      return new A.ExplicitConfiguration(this.nodeWithSpan, values, t1);
  	    }
  	  };
  	  A.ConfiguredValue.prototype = {
  	    toString$0(_) {
  	      return this.value.toString$0(0);
  	    }
  	  };
  	  A.Deprecation.prototype = {
  	    _enumToString$0() {
  	      return "Deprecation." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.id;
  	    }
  	  };
  	  A.Deprecation_fromId_closure.prototype = {
  	    call$1(deprecation) {
  	      return deprecation.id === this.id;
  	    },
  	    $signature: 668
  	  };
  	  A.Environment.prototype = {
  	    closure$0() {
  	      var t4, t5, t6, _this = this,
  	        t1 = _this._forwardedModules,
  	        t2 = _this._nestedForwardedModules,
  	        t3 = _this._variables;
  	      t3 = A._setArrayType(t3.slice(0), A._arrayInstanceType(t3));
  	      t4 = _this._variableNodes;
  	      t4 = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	      t5 = _this._functions;
  	      t5 = A._setArrayType(t5.slice(0), A._arrayInstanceType(t5));
  	      t6 = _this._mixins;
  	      t6 = A._setArrayType(t6.slice(0), A._arrayInstanceType(t6));
  	      return A.Environment$_(_this._environment$_modules, _this._namespaceNodes, _this._globalModules, _this._importedModules, t1, t2, _this._allModules, t3, t4, t5, t6, _this._content, B.Set_empty1);
  	    },
  	    forwardModule$2(module, rule) {
  	      var view, t1, t2, _this = this,
  	        forwardedModules = _this._forwardedModules;
  	      if (forwardedModules == null)
  	        forwardedModules = _this._forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable, type$.AstNode);
  	      view = A.ForwardedModuleView_ifNecessary(module, rule, type$.Callable);
  	      for (t1 = new A.LinkedHashMapKeyIterator(forwardedModules, forwardedModules._modifications, forwardedModules._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        _this._assertNoConflicts$5(view.get$variables(), t2.get$variables(), view, t2, "variable");
  	        _this._assertNoConflicts$5(view.get$functions(view), t2.get$functions(t2), view, t2, "function");
  	        _this._assertNoConflicts$5(view.get$mixins(), t2.get$mixins(), view, t2, "mixin");
  	      }
  	      _this._allModules.push(module);
  	      forwardedModules.$indexSet(0, view, rule);
  	    },
  	    _assertNoConflicts$5(newMembers, oldMembers, newModule, oldModule, type) {
  	      var larger, smaller, t1, t2, t3, t4, $name, small, large, span;
  	      if (newMembers.get$length(newMembers) < oldMembers.get$length(oldMembers)) {
  	        larger = oldMembers;
  	        smaller = newMembers;
  	      } else {
  	        larger = newMembers;
  	        smaller = oldMembers;
  	      }
  	      for (t1 = type$.String, t2 = A.MapExtensions_get_pairs(smaller, t1, type$.Object), t2 = t2.get$iterator(t2), t3 = type === "variable"; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        $name = t4._0;
  	        small = t4._1;
  	        large = larger.$index(0, $name);
  	        if (large == null)
  	          continue;
  	        if (t3 ? newModule.variableIdentity$1($name) === oldModule.variableIdentity$1($name) : J.$eq$(large, small))
  	          continue;
  	        if (t3)
  	          $name = "$" + $name;
  	        t2 = this._forwardedModules;
  	        if (t2 == null)
  	          span = null;
  	        else {
  	          t2 = t2.$index(0, oldModule);
  	          span = t2 == null ? null : t2.get$span(t2);
  	        }
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, t1);
  	        if (span != null)
  	          t2.$indexSet(0, span, "original @forward");
  	        throw A.wrapException(A.MultiSpanSassScriptException$("Two forwarded modules both define a " + type + " named " + $name + ".", "new @forward", t2));
  	      }
  	    },
  	    importForwards$1(module) {
  	      var forwardedModules, t1, t2, t3, t4, node, t5, t6, t7, t8, t9, t10, _i, t11, shadowed, t12, t13, _length, _list, _this = this,
  	        forwarded = module._environment$_environment._forwardedModules;
  	      if (forwarded == null)
  	        return;
  	      forwardedModules = _this._forwardedModules;
  	      if (forwardedModules != null) {
  	        t1 = type$.Module_Callable;
  	        t2 = type$.AstNode;
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t1 = A.MapExtensions_get_pairs(forwarded, t1, t2), t1 = t1.get$iterator(t1), t2 = _this._globalModules; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          module = t4._0;
  	          node = t4._1;
  	          if (!forwardedModules.containsKey$1(module) || !t2.containsKey$1(module))
  	            t3.$indexSet(0, module, node);
  	        }
  	        forwarded = t3;
  	      } else
  	        forwardedModules = _this._forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable, type$.AstNode);
  	      t1 = type$.String;
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t3 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t3.moveNext$0();)
  	        for (t4 = t3.__js_helper$_current.get$variables(), t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4); t4.moveNext$0();)
  	          t2.add$1(0, t4.get$current(t4));
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();) {
  	        t5 = t4.__js_helper$_current;
  	        for (t5 = t5.get$functions(t5), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t3.add$1(0, t5.get$current(t5));
  	      }
  	      t1 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();)
  	        for (t5 = t4.__js_helper$_current.get$mixins(), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t1.add$1(0, t5.get$current(t5));
  	      t4 = _this._variables;
  	      t5 = t4.length;
  	      if (t5 === 1) {
  	        for (t5 = _this._importedModules, t6 = type$.Module_Callable, t7 = type$.AstNode, t8 = A.MapExtensions_get_pairs(t5, t6, t7).toList$0(0), t9 = t8.length, t10 = type$.Callable, _i = 0; _i < t8.length; t8.length === t9 || (0, A.throwConcurrentModificationError)(t8), ++_i) {
  	          t11 = t8[_i];
  	          module = t11._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            t5.remove$1(0, module);
  	            t12 = shadowed.variables;
  	            t13 = false;
  	            if (t12.get$isEmpty(t12)) {
  	              t12 = shadowed.functions;
  	              if (t12.get$isEmpty(t12)) {
  	                t12 = shadowed.mixins;
  	                if (t12.get$isEmpty(t12)) {
  	                  t12 = shadowed._shadowed_view$_inner;
  	                  t12 = t12.get$css(t12);
  	                  t12 = J.get$isEmpty$asx(t12.get$children(t12));
  	                } else
  	                  t12 = t13;
  	              } else
  	                t12 = t13;
  	            } else
  	              t12 = t13;
  	            if (!t12)
  	              t5.$indexSet(0, shadowed, t11._1);
  	          }
  	        }
  	        for (t6 = A.MapExtensions_get_pairs(forwardedModules, t6, t7).toList$0(0), t7 = t6.length, _i = 0; _i < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i) {
  	          t8 = t6[_i];
  	          module = t8._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            forwardedModules.remove$1(0, module);
  	            t9 = shadowed.variables;
  	            t11 = false;
  	            if (t9.get$isEmpty(t9)) {
  	              t9 = shadowed.functions;
  	              if (t9.get$isEmpty(t9)) {
  	                t9 = shadowed.mixins;
  	                if (t9.get$isEmpty(t9)) {
  	                  t9 = shadowed._shadowed_view$_inner;
  	                  t9 = t9.get$css(t9);
  	                  t9 = J.get$isEmpty$asx(t9.get$children(t9));
  	                } else
  	                  t9 = t11;
  	              } else
  	                t9 = t11;
  	            } else
  	              t9 = t11;
  	            if (!t9)
  	              forwardedModules.$indexSet(0, shadowed, t8._1);
  	          }
  	        }
  	        t5.addAll$1(0, forwarded);
  	        forwardedModules.addAll$1(0, forwarded);
  	      } else {
  	        t6 = _this._nestedForwardedModules;
  	        if (t6 == null) {
  	          _length = t5 - 1;
  	          _list = J.JSArray_JSArray$allocateGrowable(_length, type$.List_Module_Callable);
  	          for (t5 = type$.JSArray_Module_Callable, _i = 0; _i < _length; ++_i)
  	            _list[_i] = A._setArrayType([], t5);
  	          _this._nestedForwardedModules = _list;
  	          t5 = _list;
  	        } else
  	          t5 = t6;
  	        B.JSArray_methods.addAll$1(B.JSArray_methods.get$last(t5), new A.LinkedHashMapKeysIterable(forwarded, A._instanceType(forwarded)._eval$1("LinkedHashMapKeysIterable<1>")));
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, t2.$ti._precomputed1), t5 = _this._variableIndices, t6 = _this._variableNodes, t7 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t8 = t2._collection$_current;
  	        if (t8 == null)
  	          t8 = t7._as(t8);
  	        t5.remove$1(0, t8);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t8);
  	        B.JSArray_methods.get$last(t6).remove$1(0, t8);
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, t3.$ti._precomputed1), t3 = _this._functionIndices, t4 = _this._functions, t5 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t6 = t2._collection$_current;
  	        if (t6 == null)
  	          t6 = t5._as(t6);
  	        t3.remove$1(0, t6);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t6);
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, t1.$ti._precomputed1), t2 = _this._mixinIndices, t3 = _this._mixins, t4 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t5 = t1._collection$_current;
  	        if (t5 == null)
  	          t5 = t4._as(t5);
  	        t2.remove$1(0, t5);
  	        B.JSArray_methods.get$last(t3).remove$1(0, t5);
  	      }
  	    },
  	    getVariable$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._getModule$1(namespace).get$variables().$index(0, $name);
  	      if (_this._lastVariableName === $name) {
  	        t1 = _this._lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._variables[t1].$index(0, $name);
  	        return t1 == null ? _this._getVariableFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._lastVariableName = $name;
  	        _this._lastVariableIndex = _0_0;
  	        t1 = _this._variables[_0_0].$index(0, $name);
  	        return t1 == null ? _this._getVariableFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._lastVariableName = $name;
  	          _this._lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._variables[_1_0].$index(0, $name);
  	          return t1 == null ? _this._getVariableFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._getVariableFromGlobalModule$1($name);
  	      }
  	    },
  	    getVariable$1($name) {
  	      return this.getVariable$2$namespace($name, null);
  	    },
  	    _getVariableFromGlobalModule$1($name) {
  	      return this._fromOneModule$3($name, "variable", new A.Environment__getVariableFromGlobalModule_closure($name));
  	    },
  	    getVariableNode$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._getModule$1(namespace).get$variableNodes().$index(0, $name);
  	      if (_this._lastVariableName === $name) {
  	        t1 = _this._lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._variableNodes[t1].$index(0, $name);
  	        return t1 == null ? _this._getVariableNodeFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._lastVariableName = $name;
  	        _this._lastVariableIndex = _0_0;
  	        t1 = _this._variableNodes[_0_0].$index(0, $name);
  	        return t1 == null ? _this._getVariableNodeFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._lastVariableName = $name;
  	          _this._lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._variableNodes[_1_0].$index(0, $name);
  	          return t1 == null ? _this._getVariableNodeFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._getVariableNodeFromGlobalModule$1($name);
  	      }
  	    },
  	    _getVariableNodeFromGlobalModule$1($name) {
  	      var t1, t2, _0_0;
  	      for (t1 = this._importedModules, t2 = this._globalModules, t2 = new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")).followedBy$1(0, new A.LinkedHashMapKeysIterable(t2, A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>"))), t2 = new A.FollowedByIterator(J.get$iterator$ax(t2.__internal$_first), t2._second); t2.moveNext$0();) {
  	        t1 = t2._currentIterator;
  	        _0_0 = t1.get$current(t1).get$variableNodes().$index(0, $name);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    globalVariableExists$2$namespace($name, namespace) {
  	      if (namespace != null)
  	        return this._getModule$1(namespace).get$variables().containsKey$1($name);
  	      if (B.JSArray_methods.get$first(this._variables).containsKey$1($name))
  	        return true;
  	      return this._getVariableFromGlobalModule$1($name) != null;
  	    },
  	    globalVariableExists$1($name) {
  	      return this.globalVariableExists$2$namespace($name, null);
  	    },
  	    _variableIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._variables, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    setVariable$5$global$namespace($name, value, nodeWithSpan, global, namespace) {
  	      var t1, moduleWithName, nestedForwardedModules, t2, t3, t4, t5, index, _this = this;
  	      if (namespace != null) {
  	        _this._getModule$1(namespace).setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      if (global || _this._variables.length === 1) {
  	        _this._variableIndices.putIfAbsent$2($name, new A.Environment_setVariable_closure(_this, $name));
  	        t1 = _this._variables;
  	        if (!B.JSArray_methods.get$first(t1).containsKey$1($name)) {
  	          moduleWithName = _this._fromOneModule$3($name, "variable", new A.Environment_setVariable_closure0($name));
  	          if (moduleWithName != null) {
  	            moduleWithName.setVariable$3($name, value, nodeWithSpan);
  	            return;
  	          }
  	        }
  	        B.JSArray_methods.get$first(t1).$indexSet(0, $name, value);
  	        B.JSArray_methods.get$first(_this._variableNodes).$indexSet(0, $name, nodeWithSpan);
  	        return;
  	      }
  	      nestedForwardedModules = _this._nestedForwardedModules;
  	      if (nestedForwardedModules != null && !_this._variableIndices.containsKey$1($name) && _this._variableIndex$1($name) == null)
  	        for (t1 = A._arrayInstanceType(nestedForwardedModules)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(nestedForwardedModules, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            if (t5 == null)
  	              t5 = t4._as(t5);
  	            if (t5.get$variables().containsKey$1($name)) {
  	              t5.setVariable$3($name, value, nodeWithSpan);
  	              return;
  	            }
  	          }
  	        }
  	      if (_this._lastVariableName === $name) {
  	        t1 = _this._lastVariableIndex;
  	        t1.toString;
  	        index = t1;
  	      } else
  	        index = _this._variableIndices.putIfAbsent$2($name, new A.Environment_setVariable_closure1(_this, $name));
  	      if (!_this._inSemiGlobalScope && index === 0) {
  	        index = _this._variables.length - 1;
  	        _this._variableIndices.$indexSet(0, $name, index);
  	      }
  	      _this._lastVariableName = $name;
  	      _this._lastVariableIndex = index;
  	      _this._variables[index].$indexSet(0, $name, value);
  	      _this._variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    setVariable$4$global($name, value, nodeWithSpan, global) {
  	      return this.setVariable$5$global$namespace($name, value, nodeWithSpan, global, null);
  	    },
  	    setLocalVariable$3($name, value, nodeWithSpan) {
  	      var index, _this = this,
  	        t1 = _this._variables,
  	        t2 = t1.length;
  	      _this._lastVariableName = $name;
  	      index = _this._lastVariableIndex = t2 - 1;
  	      _this._variableIndices.$indexSet(0, $name, index);
  	      t1[index].$indexSet(0, $name, value);
  	      _this._variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    getFunction$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null) {
  	        t1 = _this._getModule$1(namespace);
  	        return t1.get$functions(t1).$index(0, $name);
  	      }
  	      t1 = _this._functionIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._functions[_0_0].$index(0, $name);
  	        return t1 == null ? _this._getFunctionFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._functionIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._functions[_1_0].$index(0, $name);
  	          return t1 == null ? _this._getFunctionFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._getFunctionFromGlobalModule$1($name);
  	      }
  	    },
  	    getFunction$1($name) {
  	      return this.getFunction$2$namespace($name, null);
  	    },
  	    _getFunctionFromGlobalModule$1($name) {
  	      return this._fromOneModule$3($name, "function", new A.Environment__getFunctionFromGlobalModule_closure($name));
  	    },
  	    _functionIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._functions, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    getMixin$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._getModule$1(namespace).get$mixins().$index(0, $name);
  	      t1 = _this._mixinIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._mixins[_0_0].$index(0, $name);
  	        return t1 == null ? _this._getMixinFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._mixinIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._mixins[_1_0].$index(0, $name);
  	          return t1 == null ? _this._getMixinFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._getMixinFromGlobalModule$1($name);
  	      }
  	    },
  	    _getMixinFromGlobalModule$1($name) {
  	      return this._fromOneModule$3($name, "mixin", new A.Environment__getMixinFromGlobalModule_closure($name));
  	    },
  	    _mixinIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._mixins, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    withContent$2($content, callback) {
  	      var oldContent = this._content;
  	      this._content = $content;
  	      callback.call$0();
  	      this._content = oldContent;
  	    },
  	    asMixin$1(callback) {
  	      var oldInMixin = this._inMixin;
  	      this._inMixin = true;
  	      callback.call$0();
  	      this._inMixin = oldInMixin;
  	    },
  	    scope$1$3$semiGlobal$when(callback, semiGlobal, when) {
  	      var wasInSemiGlobalScope, $name, name0, name1, t1, t2, t3, t4, t5, t6, _this = this;
  	      semiGlobal = semiGlobal && _this._inSemiGlobalScope;
  	      wasInSemiGlobalScope = _this._inSemiGlobalScope;
  	      _this._inSemiGlobalScope = semiGlobal;
  	      if (!when)
  	        try {
  	          t1 = callback.call$0();
  	          return t1;
  	        } finally {
  	          _this._inSemiGlobalScope = wasInSemiGlobalScope;
  	        }
  	      t1 = _this._variables;
  	      t2 = type$.String;
  	      B.JSArray_methods.add$1(t1, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.Value));
  	      t3 = _this._variableNodes;
  	      B.JSArray_methods.add$1(t3, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.AstNode));
  	      t4 = _this._functions;
  	      t5 = type$.Callable;
  	      B.JSArray_methods.add$1(t4, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	      t6 = _this._mixins;
  	      B.JSArray_methods.add$1(t6, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	      t5 = _this._nestedForwardedModules;
  	      if (t5 != null)
  	        t5.push(A._setArrayType([], type$.JSArray_Module_Callable));
  	      try {
  	        t2 = callback.call$0();
  	        return t2;
  	      } finally {
  	        _this._inSemiGlobalScope = wasInSemiGlobalScope;
  	        _this._lastVariableIndex = _this._lastVariableName = null;
  	        for (t1 = B.JSArray_methods.removeLast$0(t1), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._variableIndices; t1.moveNext$0();) {
  	          $name = t1.get$current(t1);
  	          t2.remove$1(0, $name);
  	        }
  	        B.JSArray_methods.removeLast$0(t3);
  	        for (t1 = B.JSArray_methods.removeLast$0(t4), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._functionIndices; t1.moveNext$0();) {
  	          name0 = t1.get$current(t1);
  	          t2.remove$1(0, name0);
  	        }
  	        for (t1 = B.JSArray_methods.removeLast$0(t6), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._mixinIndices; t1.moveNext$0();) {
  	          name1 = t1.get$current(t1);
  	          t2.remove$1(0, name1);
  	        }
  	        t1 = _this._nestedForwardedModules;
  	        if (t1 != null)
  	          t1.pop();
  	      }
  	    },
  	    scope$1$1(callback) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, true);
  	    },
  	    scope$1$2$when(callback, when) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, when);
  	    },
  	    scope$1$2$semiGlobal(callback, semiGlobal) {
  	      return this.scope$1$3$semiGlobal$when(callback, semiGlobal, true);
  	    },
  	    toImplicitConfiguration$0() {
  	      var t2, t3, t4, t5, t6, i, modules, t7, t8, t9, t10, $name, value, values, nodes, _this = this, _null = null,
  	        t1 = type$.String,
  	        configuration = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.ConfiguredValue);
  	      for (t2 = _this._variables, t3 = type$.Value, t4 = _this._variableNodes, t5 = _this._importedModules, t6 = A._instanceType(t5)._eval$1("LinkedHashMapKeysIterable<1>"), i = 0; i < t2.length; ++i) {
  	        if (i === 0)
  	          modules = new A.LinkedHashMapKeysIterable(t5, t6);
  	        else {
  	          t7 = _this._nestedForwardedModules;
  	          modules = t7 == null ? _null : t7[i - 1];
  	        }
  	        t7 = J.get$iterator$ax(modules == null ? B.List_empty10 : modules);
  	        while (t7.moveNext$0()) {
  	          t8 = t7.get$current(t7);
  	          for (t9 = A.MapExtensions_get_pairs(t8.get$variables(), t1, t3), t9 = t9.get$iterator(t9); t9.moveNext$0();) {
  	            t10 = t9.get$current(t9);
  	            $name = t10._0;
  	            value = t10._1;
  	            t10 = t8.get$variableNodes().$index(0, $name);
  	            t10.toString;
  	            configuration.$indexSet(0, $name, new A.ConfiguredValue(value, _null, t10));
  	          }
  	        }
  	        values = t2[i];
  	        nodes = t4[i];
  	        for (t7 = A.MapExtensions_get_pairs(values, t1, t3), t7 = t7.get$iterator(t7); t7.moveNext$0();) {
  	          t8 = t7.get$current(t7);
  	          $name = t8._0;
  	          value = t8._1;
  	          t8 = nodes.$index(0, $name);
  	          t8.toString;
  	          configuration.$indexSet(0, $name, new A.ConfiguredValue(value, _null, t8));
  	        }
  	      }
  	      return new A.Configuration(configuration, _null);
  	    },
  	    toModule$3(css, preModuleComments, extensionStore) {
  	      return A._EnvironmentModule__EnvironmentModule(this, css, preModuleComments, extensionStore, A.NullableExtension_andThen(this._forwardedModules, new A.Environment_toModule_closure()));
  	    },
  	    toDummyModule$0() {
  	      return A._EnvironmentModule__EnvironmentModule(this, new A.CssStylesheet(new A.UnmodifiableListView(B.List_empty3, type$.UnmodifiableListView_CssNode), A.SourceFile$decoded(B.List_empty4, "<dummy module>").span$1(0, 0)), B.Map_empty, B.C_EmptyExtensionStore, A.NullableExtension_andThen(this._forwardedModules, new A.Environment_toDummyModule_closure()));
  	    },
  	    _getModule$1(namespace) {
  	      var _0_0 = this._environment$_modules.$index(0, namespace);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$('There is no module with the namespace "' + namespace + '".', null));
  	    },
  	    _fromOneModule$1$3($name, type, callback) {
  	      var t1, t2, t3, t4, t5, _1_0, _2_0, value, identity, valueInModule, identityFromModule, module, node,
  	        _0_0 = this._nestedForwardedModules;
  	      if (_0_0 != null)
  	        for (t1 = A._arrayInstanceType(_0_0)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(_0_0, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            _1_0 = callback.call$1(t5 == null ? t4._as(t5) : t5);
  	            if (_1_0 != null)
  	              return _1_0;
  	          }
  	        }
  	      for (t1 = this._importedModules, t1 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first); t1.moveNext$0();) {
  	        _2_0 = callback.call$1(t1.__js_helper$_current);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      for (t1 = this._globalModules, t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first), t3 = type$.Callable, value = null, identity = null; t2.moveNext$0();) {
  	        t4 = t2.__js_helper$_current;
  	        valueInModule = callback.call$1(t4);
  	        if (valueInModule == null)
  	          continue;
  	        identityFromModule = t3._is(valueInModule) ? valueInModule : t4.variableIdentity$1($name);
  	        if (identityFromModule.$eq(0, identity))
  	          continue;
  	        if (value != null) {
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          for (t3 = A.MapExtensions_get_pairs(t1, type$.Module_Callable, type$.AstNode), t3 = t3.get$iterator(t3), t4 = "includes " + type; t3.moveNext$0();) {
  	            t1 = t3.get$current(t3);
  	            module = t1._0;
  	            node = t1._1;
  	            if (callback.call$1(module) != null)
  	              t2.$indexSet(0, node.get$span(node), t4);
  	          }
  	          throw A.wrapException(A.MultiSpanSassScriptException$("This " + type + string$.x20is_av, type + " use", t2));
  	        }
  	        identity = identityFromModule;
  	        value = valueInModule;
  	      }
  	      return value;
  	    },
  	    _fromOneModule$3($name, type, callback) {
  	      return this._fromOneModule$1$3($name, type, callback, type$.dynamic);
  	    }
  	  };
  	  A.Environment__getVariableFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$variables().$index(0, this.name);
  	    },
  	    $signature: 280
  	  };
  	  A.Environment_setVariable_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._lastVariableName = this.name;
  	      return t1._lastVariableIndex = 0;
  	    },
  	    $signature: 10
  	  };
  	  A.Environment_setVariable_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$variables().containsKey$1(this.name) ? module : null;
  	    },
  	    $signature: 289
  	  };
  	  A.Environment_setVariable_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._variableIndex$1(this.name);
  	      return t2 == null ? t1._variables.length - 1 : t2;
  	    },
  	    $signature: 10
  	  };
  	  A.Environment__getFunctionFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module).$index(0, this.name);
  	    },
  	    $signature: 198
  	  };
  	  A.Environment__getMixinFromGlobalModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$mixins().$index(0, this.name);
  	    },
  	    $signature: 198
  	  };
  	  A.Environment_toModule_closure.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_Callable);
  	    },
  	    $signature: 201
  	  };
  	  A.Environment_toDummyModule_closure.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_Callable);
  	    },
  	    $signature: 201
  	  };
  	  A._EnvironmentModule.prototype = {
  	    get$url(_) {
  	      var t1 = this.css;
  	      t1 = t1.get$span(t1);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t1, t2,
  	        _0_0 = this._modulesByVariable.$index(0, $name);
  	      if (_0_0 != null) {
  	        _0_0.setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      t1 = this._environment$_environment;
  	      t2 = t1._variables;
  	      if (!B.JSArray_methods.get$first(t2).containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$("Undefined variable.", null));
  	      B.JSArray_methods.get$first(t2).$indexSet(0, $name, value);
  	      B.JSArray_methods.get$first(t1._variableNodes).$indexSet(0, $name, nodeWithSpan);
  	      return;
  	    },
  	    variableIdentity$1($name) {
  	      var module = this._modulesByVariable.$index(0, $name);
  	      return module == null ? this : module.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t2, t3, _0_0, variable, module,
  	        t1 = this._environment$_environment._configurableVariables;
  	      if (!(variables.get$length(variables) < t1.get$length(t1) ? variables.any$1(0, t1.get$contains(t1)) : t1.any$1(0, variables.get$contains(variables)))) {
  	        t1 = this._modulesByVariable;
  	        t2 = type$.Module_Callable;
  	        if (variables.get$length(variables) < t1.get$length(t1)) {
  	          t2 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t3 = variables.get$iterator(variables); t3.moveNext$0();) {
  	            _0_0 = t1.$index(0, t3.get$current(t3));
  	            if (_0_0 != null)
  	              t2.add$1(0, _0_0);
  	          }
  	          t1 = t2;
  	        } else {
  	          t3 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t1 = A.MapExtensions_get_pairs(t1, type$.String, t2), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	            t2 = t1.get$current(t1);
  	            variable = t2._0;
  	            module = t2._1;
  	            if (variables.contains$1(0, variable))
  	              t3.add$1(0, module);
  	          }
  	          t1 = t3;
  	        }
  	        t1 = t1.any$1(0, new A._EnvironmentModule_couldHaveBeenConfigured_closure(variables));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    cloneCss$0() {
  	      var _0_0, _this = this;
  	      if (!_this.transitivelyContainsCss)
  	        return _this;
  	      _0_0 = A.cloneCssStylesheet(_this.css, _this.extensionStore);
  	      return A._EnvironmentModule$_(_this._environment$_environment, _0_0._0, _this.preModuleComments, _0_0._1, _this._modulesByVariable, _this.variables, _this.variableNodes, _this.functions, _this.mixins, true, _this.transitivelyContainsExtensions);
  	    },
  	    toString$0(_) {
  	      var t1 = this.css,
  	        t2 = t1.get$span(t1);
  	      if (t2.get$sourceUrl(t2) == null)
  	        t1 = "<unknown url>";
  	      else {
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$sourceUrl(t1);
  	        t2 = $.$get$context();
  	        t1.toString;
  	        t1 = t2.prettyUri$1(t1);
  	      }
  	      return t1;
  	    },
  	    $isModule0: 1,
  	    get$upstream() {
  	      return this.upstream;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$extensionStore() {
  	      return this.extensionStore;
  	    },
  	    get$css(receiver) {
  	      return this.css;
  	    },
  	    get$preModuleComments() {
  	      return this.preModuleComments;
  	    },
  	    get$transitivelyContainsCss() {
  	      return this.transitivelyContainsCss;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this.transitivelyContainsExtensions;
  	    }
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure.prototype = {
  	    call$1(module) {
  	      return module.get$variables();
  	    },
  	    $signature: 306
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$variableNodes();
  	    },
  	    $signature: 307
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure1.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module);
  	    },
  	    $signature: 202
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure2.prototype = {
  	    call$1(module) {
  	      return module.get$mixins();
  	    },
  	    $signature: 202
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure3.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 95
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure4.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsExtensions();
  	    },
  	    $signature: 95
  	  };
  	  A._EnvironmentModule_couldHaveBeenConfigured_closure.prototype = {
  	    call$1(module) {
  	      return module.couldHaveBeenConfigured$1(this.variables);
  	    },
  	    $signature: 95
  	  };
  	  A.SassException.prototype = {
  	    get$trace(_) {
  	      return A.Trace$(A._setArrayType([A.frameForSpan(A.SourceSpanException.prototype.get$span.call(this, 0), "root stylesheet", null)], type$.JSArray_Frame), null);
  	    },
  	    get$span(_) {
  	      return A.SourceSpanException.prototype.get$span.call(this, 0);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      return A.MultiSpanSassException$(this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), this.loadedUrls);
  	    },
  	    withTrace$1(trace) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(this.loadedUrls, type$.Uri);
  	      return new A.SassRuntimeException(trace, t2, this._span_exception$_message, t1);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassException(t2, this._span_exception$_message, t1);
  	    },
  	    toString$1$color(_, color) {
  	      var t2, _i, frame, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        t1 = "Error: " + _this._span_exception$_message + "\n";
  	      buffer._contents = t1;
  	      buffer._contents = t1 + A.SourceSpanException.prototype.get$span.call(_this, 0).highlight$1$color(color);
  	      for (t1 = _this.get$trace(_this).toString$0(0).split("\n"), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        frame = t1[_i];
  	        if (frame.length === 0)
  	          continue;
  	        buffer._contents = (buffer._contents += "\n") + ("  " + frame);
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    toString$0(_) {
  	      return this.toString$1$color(0, null);
  	    },
  	    toCssString$0() {
  	      var commentMessage, stringMessage, rune,
  	        t1 = $._glyphs,
  	        t2 = $._glyphs = B.C_AsciiGlyphSet,
  	        t3 = this.toString$1$color(0, false);
  	      t3 = A.stringReplaceAllUnchecked(t3, "*/", "*\u2215");
  	      commentMessage = A.stringReplaceAllUnchecked(t3, "\r\n", "\n");
  	      $._glyphs = t1 === B.C_AsciiGlyphSet ? t2 : B.C_UnicodeGlyphSet;
  	      stringMessage = new A.StringBuffer("");
  	      for (t1 = new A.RuneIterator(A.serializeValue(new A.SassString(this.toString$1$color(0, false), true), true, true)); t1.moveNext$0();) {
  	        rune = t1._currentCodePoint;
  	        if (rune > 127) {
  	          t2 = A.Primitives_stringFromCharCode(92);
  	          stringMessage._contents += t2;
  	          t2 = B.JSInt_methods.toRadixString$1(rune, 16);
  	          stringMessage._contents += t2;
  	          t2 = A.Primitives_stringFromCharCode(32);
  	          stringMessage._contents += t2;
  	        } else {
  	          t2 = A.Primitives_stringFromCharCode(rune);
  	          stringMessage._contents += t2;
  	        }
  	      }
  	      return "/* " + B.JSArray_methods.join$1(A._setArrayType(commentMessage.split("\n"), type$.JSArray_String), "\n * ") + ' */\n\nbody::before {\n  font-family: "Source Code Pro", "SF Mono", Monaco, Inconsolata, "Fira Mono",\n      "Droid Sans Mono", monospace, monospace;\n  white-space: pre;\n  display: block;\n  padding: 1em;\n  margin-bottom: 1em;\n  border-bottom: 2px solid black;\n  content: ' + stringMessage.toString$0(0) + ";\n}";
  	    }
  	  };
  	  A.MultiSpanSassException.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassException$(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.loadedUrls);
  	    },
  	    withTrace$1(trace) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassException$(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, loadedUrls);
  	    },
  	    toString$1$color(_, color) {
  	      var t1, t2, _i, frame, _this = this,
  	        useColor = color === true,
  	        buffer = new A.StringBuffer("Error: " + _this._span_exception$_message + "\n");
  	      A.NullableExtension_andThen(A.Highlighter$multiple(A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, useColor, null, null).highlight$0(), buffer.get$write(buffer));
  	      for (t1 = _this.get$trace(_this).toString$0(0).split("\n"), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        frame = t1[_i];
  	        if (frame.length === 0)
  	          continue;
  	        buffer._contents = (buffer._contents += "\n") + ("  " + frame);
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    toString$0(_) {
  	      return this.toString$1$color(0, null);
  	    },
  	    get$primaryLabel() {
  	      return this.primaryLabel;
  	    },
  	    get$secondarySpans() {
  	      return this.secondarySpans;
  	    }
  	  };
  	  A.SassRuntimeException.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), _this.trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassRuntimeException(this.trace, t2, this._span_exception$_message, t1);
  	    },
  	    get$trace(receiver) {
  	      return this.trace;
  	    }
  	  };
  	  A.MultiSpanSassRuntimeException.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassRuntimeException$(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, _this.trace, loadedUrls);
  	    },
  	    $isSassRuntimeException: 1,
  	    get$trace(receiver) {
  	      return this.trace;
  	    }
  	  };
  	  A.SassFormatException.prototype = {
  	    get$source() {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0);
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      return A.MultiSpanSassFormatException$(this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassFormatException(t2, this._span_exception$_message, t1);
  	    },
  	    $isFormatException: 1,
  	    $isSourceSpanFormatException: 1
  	  };
  	  A.MultiSpanSassFormatException.prototype = {
  	    get$source() {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0);
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassFormatException$(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassFormatException$(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, loadedUrls);
  	    },
  	    $isFormatException: 1,
  	    $isSassFormatException: 1,
  	    $isSourceSpanFormatException: 1,
  	    $isMultiSourceSpanFormatException: 1
  	  };
  	  A.SassScriptException.prototype = {
  	    withSpan$1(span) {
  	      return new A.SassException(B.Set_empty, this.message, span);
  	    },
  	    toString$0(_) {
  	      return this.message + string$.x0a_BUG_;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.MultiSpanSassScriptException.prototype = {
  	    withSpan$1(span) {
  	      return A.MultiSpanSassException$(this.message, span, this.primaryLabel, this.secondarySpans, null);
  	    }
  	  };
  	  A._writeSourceMap_closure.prototype = {
  	    call$1(url) {
  	      return this.options.sourceMapUrl$2(0, A.Uri_parse(url), this.destination).toString$0(0);
  	    },
  	    $signature: 6
  	  };
  	  A.ExecutableOptions.prototype = {
  	    get$interactive() {
  	      var result, _this = this,
  	        value = _this.__ExecutableOptions_interactive_FI;
  	      if (value === $) {
  	        result = new A.ExecutableOptions_interactive_closure(_this).call$0();
  	        _this.__ExecutableOptions_interactive_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__ExecutableOptions_interactive_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$color() {
  	      var t1 = this._options;
  	      if (t1.wasParsed$1("color"))
  	        t1 = A._asBool(t1.$index(0, "color"));
  	      else
  	        t1 = A.hasTerminal() || A.isBrowser();
  	      return t1;
  	    },
  	    get$pkgImporters() {
  	      var t2, t3, t4, _null = null,
  	        t1 = A._setArrayType([], type$.JSArray_Importer);
  	      for (t2 = J.get$iterator$ax(type$.List_String._as(this._options.$index(0, "pkg-importer"))); t2.moveNext$0();) {
  	        t2.get$current(t2);
  	        t3 = new A.NodePackageImporter();
  	        t4 = self.process;
  	        if (t4 == null)
  	          t4 = _null;
  	        else {
  	          t4 = J.get$release$x(t4);
  	          t4 = t4 == null ? _null : J.get$name$x(t4);
  	        }
  	        if (!J.$eq$(t4, "node") && self.document != null && typeof self.document.querySelector == "function")
  	          A.throwExpression(string$.The_No);
  	        t3.__NodePackageImporter__entryPointDirectory_F = $.$get$context().absolute$15(".", _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	        t1.push(t3);
  	      }
  	      return t1;
  	    },
  	    get$emitErrorCss() {
  	      var t1 = A._asBoolQ(this._options.$index(0, "error-css"));
  	      if (t1 == null) {
  	        this._ensureSources$0();
  	        t1 = this._sourcesToDestinations;
  	        t1 = t1.get$values(t1);
  	        t1 = t1.any$1(t1, new A.ExecutableOptions_emitErrorCss_closure());
  	      }
  	      return t1;
  	    },
  	    _ensureSources$0() {
  	      var t1, stdin, t2, t3, $directories, t4, t5, t6, colonArgs, positionalArgs, t7, t8, t9, message, target, source, destination, seen, _0_0, _this = this, _null = null,
  	        _s18_ = 'Duplicate source "';
  	      if (_this._sourcesToDestinations != null)
  	        return;
  	      t1 = _this._options;
  	      stdin = A._asBool(t1.$index(0, "stdin"));
  	      t2 = t1.rest;
  	      if (t2.get$length(0) === 0 && !stdin)
  	        A.ExecutableOptions__fail("Compile Sass to CSS.");
  	      t3 = type$.String;
  	      $directories = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	      for (t4 = t2.$ti, t5 = t4._eval$1("ListIterator<ListBase.E>"), t6 = new A.ListIterator(t2, t2.get$length(0), t5), t4 = t4._eval$1("ListBase.E"), colonArgs = false, positionalArgs = false; t6.moveNext$0();) {
  	        t7 = t6.__internal$_current;
  	        if (t7 == null)
  	          t7 = t4._as(t7);
  	        t8 = t7.length;
  	        if (t8 === 0)
  	          A.ExecutableOptions__fail('Invalid argument "".');
  	        if (A.stringContainsUnchecked(t7, ":", 0)) {
  	          if (t8 > 2) {
  	            t9 = t7.charCodeAt(0);
  	            if (!(t9 >= 97 && t9 <= 122))
  	              t9 = t9 >= 65 && t9 <= 90;
  	            else
  	              t9 = true;
  	            t9 = t9 && t7.charCodeAt(1) === 58;
  	          } else
  	            t9 = false;
  	          if (t9) {
  	            if (2 > t8)
  	              A.throwExpression(A.RangeError$range(2, 0, t8, _null, _null));
  	            t8 = A.stringContainsUnchecked(t7, ":", 2);
  	          } else
  	            t8 = true;
  	        } else
  	          t8 = false;
  	        if (t8)
  	          colonArgs = true;
  	        else if (A.dirExists(t7))
  	          $directories.add$1(0, t7);
  	        else
  	          positionalArgs = true;
  	      }
  	      if (positionalArgs || t2.get$length(0) === 0) {
  	        if (colonArgs)
  	          A.ExecutableOptions__fail('Positional and ":" arguments may not both be used.');
  	        else if (stdin) {
  	          if (J.get$length$asx(t2._collection$_source) > 1)
  	            A.ExecutableOptions__fail("Only one argument is allowed with --stdin.");
  	          else if (A._asBool(t1.$index(0, "update")))
  	            A.ExecutableOptions__fail("--update is not allowed with --stdin.");
  	          else if (A._asBool(t1.$index(0, "watch")))
  	            A.ExecutableOptions__fail("--watch is not allowed with --stdin.");
  	          t1 = t2.get$length(0) === 0 ? _null : t2.get$first(t2);
  	          t2 = type$.dynamic;
  	          t3 = type$.nullable_String;
  	          _this._sourcesToDestinations = A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([null, t1], t2, t2), t3, t3);
  	        } else {
  	          t3 = t2._collection$_source;
  	          t4 = J.getInterceptor$asx(t3);
  	          if (t4.get$length(t3) > 2)
  	            A.ExecutableOptions__fail("Only two positional args may be passed.");
  	          else if ($directories._collection$_length !== 0) {
  	            message = 'Directory "' + $directories.get$first(0) + '" may not be a positional arg.';
  	            target = t2.get$last(t2);
  	            A.ExecutableOptions__fail($directories.get$first(0) === t2.get$first(t2) && !A.fileExists(target) ? message + ('\nTo compile all CSS in "' + $directories.get$first(0) + '" to "' + target + '", use `sass ' + $directories.get$first(0) + ":" + target + "`.") : message);
  	          } else {
  	            source = t2.get$first(t2) === "-" ? _null : t2.get$first(t2);
  	            destination = t4.get$length(t3) === 1 ? _null : t2.get$last(t2);
  	            if (destination == null)
  	              if (A._asBool(t1.$index(0, "update")))
  	                A.ExecutableOptions__fail("--update is not allowed when printing to stdout.");
  	              else if (A._asBool(t1.$index(0, "watch")))
  	                A.ExecutableOptions__fail("--watch is not allowed when printing to stdout.");
  	            t1 = A.PathMap__create(_null, type$.nullable_String);
  	            t1.$indexSet(0, source, destination);
  	            _this._sourcesToDestinations = new A.UnmodifiableMapView(new A.PathMap(t1, type$.PathMap_nullable_String), type$.UnmodifiableMapView_of_nullable_String_and_nullable_String);
  	          }
  	        }
  	        _this.__ExecutableOptions__sourceDirectoriesToDestinations_F !== $ && A.throwUnnamedLateFieldAI();
  	        _this.__ExecutableOptions__sourceDirectoriesToDestinations_F = B.Map_empty9;
  	        return;
  	      }
  	      if (stdin)
  	        A.ExecutableOptions__fail('--stdin may not be used with ":" arguments.');
  	      seen = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	      t1 = A.PathMap__create(_null, t3);
  	      t6 = type$.PathMap_String;
  	      t3 = A.PathMap__create(_null, t3);
  	      for (t2 = new A.ListIterator(t2, t2.get$length(0), t5); t2.moveNext$0();) {
  	        t5 = t2.__internal$_current;
  	        if (t5 == null)
  	          t5 = t4._as(t5);
  	        if ($directories.contains$1(0, t5)) {
  	          if (!seen.add$1(0, t5))
  	            A.ExecutableOptions__fail(_s18_ + t5 + '".');
  	          t3.$indexSet(0, t5, t5);
  	          t1.addAll$1(0, _this._listSourceDirectory$2(t5, t5));
  	          continue;
  	        }
  	        _0_0 = _this._splitSourceAndDestination$1(t5);
  	        source = _0_0._0;
  	        destination = _0_0._1;
  	        if (!seen.add$1(0, source))
  	          A.ExecutableOptions__fail(_s18_ + source + '".');
  	        if (source === "-")
  	          t1.$indexSet(0, _null, destination);
  	        else if (A.dirExists(source)) {
  	          t3.$indexSet(0, source, destination);
  	          t1.addAll$1(0, _this._listSourceDirectory$2(source, destination));
  	        } else
  	          t1.$indexSet(0, source, destination);
  	      }
  	      _this._sourcesToDestinations = new A.UnmodifiableMapView(new A.PathMap(t1, t6), type$.UnmodifiableMapView_of_nullable_String_and_nullable_String);
  	      _this.__ExecutableOptions__sourceDirectoriesToDestinations_F !== $ && A.throwUnnamedLateFieldAI();
  	      _this.__ExecutableOptions__sourceDirectoriesToDestinations_F = new A.UnmodifiableMapView(new A.PathMap(t3, t6), type$.UnmodifiableMapView_of_nullable_String_and_String);
  	    },
  	    _splitSourceAndDestination$1(argument) {
  	      var t1, i, t2, t3, nextColon;
  	      for (t1 = argument.length, i = 0; i < t1; ++i) {
  	        t2 = false;
  	        if (i === 1) {
  	          t3 = i - 1;
  	          if (t1 > t3 + 2) {
  	            t2 = argument.charCodeAt(t3);
  	            if (!(t2 >= 97 && t2 <= 122))
  	              t2 = t2 >= 65 && t2 <= 90;
  	            else
  	              t2 = true;
  	            t2 = t2 && argument.charCodeAt(t3 + 1) === 58;
  	          }
  	        }
  	        if (t2)
  	          continue;
  	        if (argument.charCodeAt(i) === 58) {
  	          t2 = i + 1;
  	          nextColon = B.JSString_methods.indexOf$2(argument, ":", t2);
  	          t3 = false;
  	          if (nextColon === i + 2)
  	            if (t1 > t2 + 2) {
  	              t1 = argument.charCodeAt(t2);
  	              if (!(t1 >= 97 && t1 <= 122))
  	                t1 = t1 >= 65 && t1 <= 90;
  	              else
  	                t1 = true;
  	              t1 = t1 && argument.charCodeAt(t2 + 1) === 58;
  	            } else
  	              t1 = t3;
  	          else
  	            t1 = t3;
  	          if ((t1 ? B.JSString_methods.indexOf$2(argument, ":", nextColon + 1) : nextColon) !== -1)
  	            A.ExecutableOptions__fail('"' + argument + '" may only contain one ":".');
  	          return new A._Record_2(B.JSString_methods.substring$2(argument, 0, i), B.JSString_methods.substring$1(argument, t2));
  	        }
  	      }
  	      throw A.wrapException(A.ArgumentError$('Expected "' + argument + '" to contain a colon.', null));
  	    },
  	    _listSourceDirectory$2(source, destination) {
  	      var t2, t3, t4, t5,
  	        t1 = type$.String;
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t2 = J.get$iterator$ax(A.listDir(source, true)), t3 = source === destination; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        if (this._isEntrypoint$1(t4))
  	          t5 = !(t3 && A.ParsedPath_ParsedPath$parse(t4, $.$get$context().style)._splitExtension$1(1)[1] === ".css");
  	        else
  	          t5 = false;
  	        if (t5) {
  	          t5 = $.$get$context();
  	          t1.$indexSet(0, t4, A.join(destination, t5.withoutExtension$1(t5.relative$2$from(t4, source)) + ".css", null));
  	        }
  	      }
  	      return t1;
  	    },
  	    _isEntrypoint$1(path) {
  	      var extension,
  	        t1 = $.$get$context().style;
  	      if (B.JSString_methods.startsWith$1(A.ParsedPath_ParsedPath$parse(path, t1).get$basename(), "_"))
  	        return false;
  	      extension = A.ParsedPath_ParsedPath$parse(path, t1)._splitExtension$1(1)[1];
  	      return extension === ".scss" || extension === ".sass" || extension === ".css";
  	    },
  	    get$_writeToStdout() {
  	      var t1, _this = this;
  	      _this._ensureSources$0();
  	      t1 = _this._sourcesToDestinations;
  	      if (t1.get$length(t1) === 1) {
  	        _this._ensureSources$0();
  	        t1 = _this._sourcesToDestinations;
  	        t1 = t1.get$values(t1);
  	        t1 = t1.get$single(t1) == null;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    get$emitSourceMap() {
  	      var _this = this,
  	        _s10_ = "source-map",
  	        _s15_ = "source-map-urls",
  	        _s13_ = "embed-sources",
  	        _s16_ = "embed-source-map",
  	        t1 = _this._options;
  	      if (!A._asBool(t1.$index(0, _s10_)))
  	        if (t1.wasParsed$1(_s15_))
  	          A.ExecutableOptions__fail("--source-map-urls isn't allowed with --no-source-map.");
  	        else if (t1.wasParsed$1(_s13_))
  	          A.ExecutableOptions__fail("--embed-sources isn't allowed with --no-source-map.");
  	        else if (t1.wasParsed$1(_s16_))
  	          A.ExecutableOptions__fail("--embed-source-map isn't allowed with --no-source-map.");
  	      if (!_this.get$_writeToStdout())
  	        return A._asBool(t1.$index(0, _s10_));
  	      if (J.$eq$(_this._ifParsed$1(_s15_), "relative"))
  	        A.ExecutableOptions__fail("--source-map-urls=relative isn't allowed when printing to stdout.");
  	      if (A._asBool(t1.$index(0, _s16_)))
  	        return A._asBool(t1.$index(0, _s10_));
  	      else if (J.$eq$(_this._ifParsed$1(_s10_), true))
  	        A.ExecutableOptions__fail("When printing to stdout, --source-map requires --embed-source-map.");
  	      else if (t1.wasParsed$1(_s15_))
  	        A.ExecutableOptions__fail("When printing to stdout, --source-map-urls requires --embed-source-map.");
  	      else if (A._asBool(t1.$index(0, _s13_)))
  	        A.ExecutableOptions__fail("When printing to stdout, --embed-sources requires --embed-source-map.");
  	      else
  	        return false;
  	    },
  	    sourceMapUrl$2(_, url, destination) {
  	      var t1, path, t2, _null = null;
  	      if (url.get$scheme().length !== 0 && url.get$scheme() !== "file")
  	        return url;
  	      t1 = $.$get$context();
  	      path = t1.style.pathFromUri$1(A._parseUri(url));
  	      if (J.$eq$(this._options.$index(0, "source-map-urls"), "relative") && !this.get$_writeToStdout()) {
  	        destination.toString;
  	        t2 = t1.relative$2$from(path, t1.dirname$1(destination));
  	      } else
  	        t2 = A.absolute(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	      return t1.toUri$1(t2);
  	    },
  	    get$silenceDeprecations(_) {
  	      var t2, t3, t4,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.Deprecation);
  	      for (t2 = J.get$iterator$ax(type$.List_String._as(this._options.$index(0, "silence-deprecation"))); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t4 = A.Deprecation_fromId(t3);
  	        t1.add$1(0, t4 == null ? A.ExecutableOptions__fail('Invalid deprecation "' + t3 + '".') : t4);
  	      }
  	      return t1;
  	    },
  	    get$fatalDeprecations(_) {
  	      var t1 = this._fatalDeprecations;
  	      return t1 == null ? this._fatalDeprecations = new A.ExecutableOptions_fatalDeprecations_closure(this).call$0() : t1;
  	    },
  	    get$futureDeprecations(_) {
  	      var t2, t3, t4,
  	        t1 = A.LinkedHashSet_LinkedHashSet$_empty(type$.Deprecation);
  	      for (t2 = J.get$iterator$ax(type$.List_String._as(this._options.$index(0, "future-deprecation"))); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t4 = A.Deprecation_fromId(t3);
  	        t1.add$1(0, t4 == null ? A.ExecutableOptions__fail('Invalid deprecation "' + t3 + '".') : t4);
  	      }
  	      return t1;
  	    },
  	    _ifParsed$1($name) {
  	      var t1 = this._options;
  	      return t1.wasParsed$1($name) ? t1.$index(0, $name) : null;
  	    }
  	  };
  	  A.ExecutableOptions__parser_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.String,
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Option),
  	        t3 = A._setArrayType([], type$.JSArray_Object),
  	        parser = new A.ArgParser(t2, A.LinkedHashMap_LinkedHashMap$_empty(t1, t1), new A.UnmodifiableMapView(t2, type$.UnmodifiableMapView_String_Option), new A.UnmodifiableMapView(A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.ArgParser), type$.UnmodifiableMapView_String_ArgParser), t3, true, null);
  	      parser.addOption$2$hide("precision", true);
  	      parser.addFlag$2$hide("async", true);
  	      t3.push(A.ExecutableOptions__separator("Input and Output"));
  	      parser.addFlag$2$help("stdin", "Read the stylesheet from stdin.");
  	      parser.addFlag$2$help("indented", "Use the indented syntax for input from stdin.");
  	      parser.addMultiOption$5$abbr$help$splitCommas$valueHelp("load-path", "I", "A path to use when resolving imports.\nMay be passed multiple times.", false, "PATH");
  	      t2 = type$.JSArray_String;
  	      parser.addMultiOption$6$abbr$allowed$allowedHelp$help$valueHelp("pkg-importer", "p", A._setArrayType(["node"], t2), A.LinkedHashMap_LinkedHashMap$_literal(["node", "Load files like Node.js package resolution."], t1, t1), "Built-in importer(s) to use for pkg: URLs.", "TYPE");
  	      parser.addOption$6$abbr$allowed$defaultsTo$help$valueHelp("style", "s", A._setArrayType(["expanded", "compressed"], t2), "expanded", "Output style.", "NAME");
  	      parser.addFlag$3$defaultsTo$help("charset", true, "Emit a @charset or BOM for CSS with non-ASCII characters.");
  	      parser.addFlag$3$defaultsTo$help("error-css", null, "When an error occurs, emit a stylesheet describing it.\nDefaults to true when compiling to a file.");
  	      parser.addFlag$3$help$negatable("update", "Only compile out-of-date stylesheets.", false);
  	      t3.push(A.ExecutableOptions__separator("Source Maps"));
  	      parser.addFlag$3$defaultsTo$help("source-map", true, "Whether to generate source maps.");
  	      parser.addOption$4$allowed$defaultsTo$help("source-map-urls", A._setArrayType(["relative", "absolute"], t2), "relative", "How to link from source maps to source files.");
  	      parser.addFlag$3$defaultsTo$help("embed-sources", false, "Embed source file contents in source maps.");
  	      parser.addFlag$3$defaultsTo$help("embed-source-map", false, "Embed source map contents in CSS.");
  	      t3.push(A.ExecutableOptions__separator("Warnings"));
  	      parser.addFlag$3$abbr$help("quiet", "q", "Don't print warnings.");
  	      parser.addFlag$2$help("quiet-deps", "Don't print compiler warnings from dependencies.\nStylesheets imported through load paths count as dependencies.");
  	      parser.addFlag$2$help("verbose", "Print all deprecation warnings even when they're repetitive.");
  	      parser.addMultiOption$2$help("fatal-deprecation", "Deprecations to treat as errors. You may also pass a Sass\nversion to include any behavior deprecated in or before it.\nSee https://sass-lang.com/documentation/breaking-changes for \na complete list.");
  	      parser.addMultiOption$2$help("silence-deprecation", "Deprecations to ignore.");
  	      parser.addMultiOption$2$help("future-deprecation", "Opt in to a deprecation early.");
  	      t3.push(A.ExecutableOptions__separator("Other"));
  	      parser.addFlag$4$abbr$help$negatable("watch", "w", "Watch stylesheets and recompile when they change.", false);
  	      parser.addFlag$2$help("poll", "Manually check for changes rather than using a native watcher.\nOnly valid with --watch.");
  	      parser.addFlag$2$help("stop-on-error", "Don't compile more files once an error is encountered.");
  	      parser.addFlag$4$abbr$help$negatable("interactive", "i", "Run an interactive SassScript shell.", false);
  	      parser.addFlag$3$abbr$help("color", "c", "Whether to use terminal colors for messages.");
  	      parser.addFlag$2$help("unicode", "Whether to use Unicode characters for messages.");
  	      parser.addFlag$2$help("trace", "Print full Dart stack traces for exceptions.");
  	      parser.addFlag$4$abbr$help$negatable("help", "h", "Print this usage information.", false);
  	      parser.addFlag$3$help$negatable("version", "Print the version of Dart Sass.", false);
  	      return parser;
  	    },
  	    $signature: 312
  	  };
  	  A.ExecutableOptions_interactive_closure.prototype = {
  	    call$0() {
  	      var _0_0,
  	        t1 = this.$this._options;
  	      if (!A._asBool(t1.$index(0, "interactive")))
  	        return false;
  	      _0_0 = A.IterableExtension_firstWhereOrNull(A._setArrayType(["stdin", "indented", "style", "source-map", "source-map-urls", "embed-sources", "embed-source-map", "update", "watch"], type$.JSArray_String), t1.get$wasParsed());
  	      if (_0_0 != null)
  	        throw A.wrapException(A.UsageException$("--" + _0_0 + " isn't allowed with --interactive."));
  	      return true;
  	    },
  	    $signature: 20
  	  };
  	  A.ExecutableOptions_emitErrorCss_closure.prototype = {
  	    call$1(destination) {
  	      return destination != null;
  	    },
  	    $signature: 227
  	  };
  	  A.ExecutableOptions_fatalDeprecations_closure.prototype = {
  	    call$0() {
  	      var id, argVersion, sassVersion, t1, t2, _0_0, deprecations = A.LinkedHashSet_LinkedHashSet$_empty(type$.Deprecation);
  	      for (t1 = J.get$iterator$ax(type$.List_String._as(this.$this._options.$index(0, "fatal-deprecation"))), t2 = type$.FormatException; t1.moveNext$0();) {
  	        id = t1.get$current(t1);
  	        _0_0 = A.Deprecation_fromId(id);
  	        if (_0_0 != null) {
  	          J.add$1$ax(deprecations, _0_0);
  	          continue;
  	        }
  	        try {
  	          argVersion = A.Version_Version$parse(id);
  	          sassVersion = A.Version_Version$parse("1.99.0");
  	          if (J.compareTo$1$ns(argVersion, sassVersion) > 0)
  	            A.ExecutableOptions__fail("Invalid version " + A.S(argVersion) + ". --fatal-deprecation requires a version less than or equal to the current Dart Sass version.");
  	          J.addAll$1$ax(deprecations, A.Deprecation_forVersion(argVersion));
  	        } catch (exception) {
  	          if (t2._is(A.unwrapException(exception)))
  	            A.ExecutableOptions__fail('Invalid deprecation "' + A.S(id) + '".');
  	          else
  	            throw exception;
  	        }
  	      }
  	      return deprecations;
  	    },
  	    $signature: 321
  	  };
  	  A.UsageException.prototype = {$isException: 1,
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.repl_warn.prototype = {
  	    call$1(warning) {
  	      var _0_1, _0_3, deprecation, t1, _0_2, span, _null = null;
  	      $label0$0: {
  	        _0_1 = warning._1;
  	        _0_3 = _null;
  	        deprecation = _null;
  	        t1 = false;
  	        _0_2 = warning._2;
  	        _0_3 = warning._0;
  	        t1 = _0_3 != null;
  	        if (t1)
  	          deprecation = _0_3 == null ? type$.Deprecation._as(_0_3) : _0_3;
  	        span = _0_2;
  	        if (t1) {
  	          A.WarnForDeprecation_warnForDeprecation(this.logger, deprecation, _0_1, span, _null);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        t1 = _0_3 == null;
  	        span = _0_2;
  	        if (t1)
  	          this.logger.internalWarn$4$deprecation$span$trace(_0_1, _null, span, _null);
  	      }
  	    },
  	    $signature: 324
  	  };
  	  A.watch_closure.prototype = {
  	    call$1(dir) {
  	      while (!A.dirExists(dir))
  	        dir = $.$get$context().dirname$1(dir);
  	      return this.dirWatcher.watch$1(0, dir);
  	    },
  	    $signature: 325
  	  };
  	  A._Watcher.prototype = {
  	    _delete$1(path) {
  	      var buffer, t1;
  	      try {
  	        A.deleteFile(path);
  	        buffer = new A.StringBuffer("");
  	        t1 = this._watch$_options;
  	        if (t1.get$color())
  	          buffer._contents += "\x1b[33m";
  	        buffer._contents += "Deleted " + path + ".";
  	        if (t1.get$color())
  	          buffer._contents += "\x1b[0m";
  	        A.print(buffer);
  	      } catch (exception) {
  	        if (!(A.unwrapException(exception) instanceof A.FileSystemException))
  	          throw exception;
  	      }
  	    },
  	    watch$1(_, watcher) {
  	      return this.watch$body$_Watcher(0, watcher);
  	    },
  	    watch$body$_Watcher(_, watcher) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, batch, $event, extension, t1, toRecompile, success, t3, t4, t5, t6, t7, t8, t9, t10, t11, t12, t13, url, _0_0, t2;
  	      var $async$watch$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t2 = watcher._group.__StreamGroup__controller_A;
  	              t2 === $ && A.throwUnnamedLateFieldNI();
  	              t2 = new A._StreamIterator(A.checkNotNullable($async$self._debounceEvents$1(new A._ControllerStream(t2, A._instanceType(t2)._eval$1("_ControllerStream<1>"))), "stream", type$.Object));
  	              $async$handler = 3;
  	              t3 = $async$self._toRecompile, t4 = type$.String, t5 = $async$self._watch$_options, t6 = $async$self._graph, t7 = t6._nodes, t8 = type$.JSArray_StylesheetNode, t9 = t5._options;
  	            case 6:
  	              // for condition
  	              $async$goto = 8;
  	              return A._asyncAwait(t2.moveNext$0(), $async$watch$1);
  	            case 8:
  	              // returning from await.
  	              if (!$async$result) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              batch = t2.get$current(0);
  	              for (t10 = J.get$iterator$ax(batch); t10.moveNext$0();) {
  	                $event = t10.get$current(t10);
  	                t11 = $event.path;
  	                t12 = $.$get$context();
  	                extension = A.ParsedPath_ParsedPath$parse(t11, t12.style)._splitExtension$1(1)[1];
  	                if (!J.$eq$(extension, ".sass") && !J.$eq$(extension, ".scss") && !J.$eq$(extension, ".css"))
  	                  continue;
  	                switch ($event.type) {
  	                  case B.ChangeType_modify:
  	                    t11 = $event.path;
  	                    t13 = self.process;
  	                    if (t13 == null)
  	                      t13 = null;
  	                    else {
  	                      t13 = J.get$release$x(t13);
  	                      t13 = t13 == null ? null : J.get$name$x(t13);
  	                    }
  	                    t13 = J.$eq$(t13, "node") ? self.process : null;
  	                    if (!J.$eq$(t13 == null ? null : J.get$platform$x(t13), "win32")) {
  	                      t13 = self.process;
  	                      if (t13 == null)
  	                        t13 = null;
  	                      else {
  	                        t13 = J.get$release$x(t13);
  	                        t13 = t13 == null ? null : J.get$name$x(t13);
  	                      }
  	                      t13 = J.$eq$(t13, "node") ? self.process : null;
  	                      t13 = J.$eq$(t13 == null ? null : J.get$platform$x(t13), "darwin");
  	                    } else
  	                      t13 = true;
  	                    url = t12.toUri$1(t13 ? A._realCasePath(t12.normalize$1(t12.absolute$15(t11, null, null, null, null, null, null, null, null, null, null, null, null, null, null))) : t12.canonicalize$1(0, t11));
  	                    _0_0 = t7.$index(0, url);
  	                    if (_0_0 != null) {
  	                      t6.reload$1(url);
  	                      $async$self._recompileDownstream$1(A._setArrayType([_0_0], t8));
  	                    } else
  	                      $async$self._handleAdd$1(t11);
  	                    break;
  	                  case B.ChangeType_add:
  	                    $async$self._handleAdd$1($event.path);
  	                    break;
  	                  case B.ChangeType_remove:
  	                    $async$self._handleRemove$1($event.path);
  	                    break;
  	                }
  	              }
  	              t10 = A.LinkedHashMap_LinkedHashMap(null, null, null, t4, t4);
  	              t10.addAll$1(0, t3);
  	              t1 = t10;
  	              toRecompile = t1;
  	              t3.clear$0(0);
  	              $async$goto = 9;
  	              return A._asyncAwait(A.compileStylesheets(t5, t6, toRecompile, true), $async$watch$1);
  	            case 9:
  	              // returning from await.
  	              success = $async$result;
  	              if (!success && A._asBool(t9.$index(0, "stop-on-error"))) {
  	                $async$next = [1];
  	                // goto finally
  	                $async$goto = 4;
  	                break;
  	              }
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	              $async$next.push(5);
  	              // goto finally
  	              $async$goto = 4;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [2];
  	            case 4:
  	              // finally
  	              $async$handler = 2;
  	              $async$goto = 10;
  	              return A._asyncAwait(t2.cancel$0(), $async$watch$1);
  	            case 10:
  	              // returning from await.
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 5:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$watch$1, $async$completer);
  	    },
  	    _handleAdd$1(path) {
  	      var t1, t2, t3, t0, _this = this, _null = null,
  	        destination = _this._destinationFor$1(path);
  	      if (destination != null)
  	        _this._toRecompile.$indexSet(0, path, destination);
  	      t1 = $.$get$FilesystemImporter_cwd();
  	      t2 = A.isNodeJs() ? self.process : _null;
  	      if (!J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "win32")) {
  	        t2 = A.isNodeJs() ? self.process : _null;
  	        t2 = J.$eq$(t2 == null ? _null : J.get$platform$x(t2), "darwin");
  	      } else
  	        t2 = true;
  	      if (t2) {
  	        t2 = A.absolute(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	        t3 = $.$get$context();
  	        t2 = A._realCasePath(t3.normalize$1(t2));
  	      } else {
  	        t2 = $.$get$context();
  	        t3 = t2.canonicalize$1(0, path);
  	        t0 = t3;
  	        t3 = t2;
  	        t2 = t0;
  	      }
  	      _this._recompileDownstream$1(_this._graph.addCanonical$3(t1, t3.toUri$1(t2), t3.toUri$1(path)));
  	    },
  	    _handleRemove$1(path) {
  	      return this._handleRemove$body$_Watcher(path);
  	    },
  	    _handleRemove$body$_Watcher(path) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t2, t0, url, _0_0, t1;
  	      var $async$_handleRemove$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = A.isNodeJs() ? self.process : null;
  	              if (!J.$eq$(t1 == null ? null : J.get$platform$x(t1), "win32")) {
  	                t1 = A.isNodeJs() ? self.process : null;
  	                t1 = J.$eq$(t1 == null ? null : J.get$platform$x(t1), "darwin");
  	              } else
  	                t1 = true;
  	              if (t1) {
  	                t1 = A.absolute(path, null, null, null, null, null, null, null, null, null, null, null, null, null, null);
  	                t2 = $.$get$context();
  	                t1 = A._realCasePath(t2.normalize$1(t1));
  	              } else {
  	                t1 = $.$get$context();
  	                t2 = t1.canonicalize$1(0, path);
  	                t0 = t2;
  	                t2 = t1;
  	                t1 = t0;
  	              }
  	              url = t2.toUri$1(t1);
  	              t1 = $async$self._graph;
  	              if (t1._nodes.containsKey$1(url)) {
  	                _0_0 = $async$self._destinationFor$1(path);
  	                if (_0_0 != null) {
  	                  $async$self._delete$1(_0_0);
  	                  $async$self._delete$1(_0_0 + ".map");
  	                }
  	              }
  	              $async$self._recompileDownstream$1(t1.remove$2(0, $.$get$FilesystemImporter_cwd(), url));
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_handleRemove$1, $async$completer);
  	    },
  	    _debounceEvents$1(events) {
  	      var t1 = type$.WatchEvent;
  	      t1 = A.RateLimit__debounceAggregate(events, A.Duration$(0, 25), A.instantiate1(A.rate_limit___collect$closure(), t1), false, true, t1, type$.List_WatchEvent);
  	      return new A._MapStream(new A._Watcher__debounceEvents_closure(), t1, A._instanceType(t1)._eval$1("_MapStream<Stream.T,List<WatchEvent>>"));
  	    },
  	    _recompileDownstream$1(nodes) {
  	      var t1, t2, t3, t4, t5, t6, _i,
  	        seen = A.LinkedHashSet_LinkedHashSet$_empty(type$.StylesheetNode);
  	      for (t1 = type$.UnmodifiableSetView_StylesheetNode, t2 = this._toRecompile, t3 = type$.JSArray_StylesheetNode; t4 = J.getInterceptor$asx(nodes), t4.get$isNotEmpty(nodes); nodes = t4) {
  	        t5 = A._setArrayType([], t3);
  	        for (t4 = t4.get$iterator(nodes); t4.moveNext$0();) {
  	          t6 = t4.get$current(t4);
  	          if (seen.add$1(0, t6))
  	            t5.push(t6);
  	        }
  	        t2.addAll$1(0, this._sourceEntrypointsToDestinations$1(t5));
  	        t4 = A._setArrayType([], t3);
  	        for (t6 = t5.length, _i = 0; _i < t5.length; t5.length === t6 || (0, A.throwConcurrentModificationError)(t5), ++_i)
  	          B.JSArray_methods.addAll$1(t4, new A.UnmodifiableSetView0(t5[_i]._downstream, t1));
  	      }
  	    },
  	    _sourceEntrypointsToDestinations$1(nodes) {
  	      var _i, url, source, _0_0,
  	        t1 = type$.String,
  	        entrypoints = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t1 = nodes.length, _i = 0; _i < nodes.length; nodes.length === t1 || (0, A.throwConcurrentModificationError)(nodes), ++_i) {
  	        url = nodes[_i].canonicalUrl;
  	        if (url.get$scheme() !== "file")
  	          continue;
  	        source = $.$get$context().style.pathFromUri$1(A._parseUri(url));
  	        _0_0 = this._destinationFor$1(source);
  	        if (_0_0 != null)
  	          entrypoints.$indexSet(0, source, _0_0);
  	      }
  	      return entrypoints;
  	    },
  	    _destinationFor$1(source) {
  	      var t2, _0_0, t3, sourceDir, destinationDir, destination,
  	        t1 = this._watch$_options;
  	      t1._ensureSources$0();
  	      t2 = type$.String;
  	      _0_0 = t1._sourcesToDestinations.cast$2$0(0, t2, t2).$index(0, source);
  	      if (_0_0 != null)
  	        return _0_0;
  	      t3 = $.$get$context();
  	      if (B.JSString_methods.startsWith$1(A.ParsedPath_ParsedPath$parse(source, t3.style).get$basename(), "_"))
  	        return null;
  	      t1._ensureSources$0();
  	      t1 = t1.__ExecutableOptions__sourceDirectoriesToDestinations_F;
  	      t1 === $ && A.throwUnnamedLateFieldNI();
  	      t2 = A.MapExtensions_get_pairs(t1.cast$2$0(0, t2, t2), t2, t2);
  	      t2 = t2.get$iterator(t2);
  	      while (t2.moveNext$0()) {
  	        t1 = t2.get$current(t2);
  	        sourceDir = t1._0;
  	        destinationDir = t1._1;
  	        if (t3._isWithinOrEquals$2(sourceDir, source) !== B._PathRelation_within)
  	          continue;
  	        destination = A.join(destinationDir, t3.withoutExtension$1(t3.relative$2$from(source, sourceDir)) + ".css", null);
  	        if (t3._isWithinOrEquals$2(destination, source) !== B._PathRelation_equal)
  	          return destination;
  	      }
  	      return null;
  	    }
  	  };
  	  A._Watcher__debounceEvents_closure.prototype = {
  	    call$1(buffer) {
  	      var t3, t4, t5, oldType, _0_4, _1_1,
  	        t1 = type$.ChangeType,
  	        t2 = A.PathMap__create(null, t1);
  	      for (t3 = J.get$iterator$ax(buffer); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        t5 = t4.path;
  	        oldType = t2.$index(0, t5);
  	        _0_4 = t4.type;
  	        $label0$0: {
  	          if (oldType == null) {
  	            t4 = _0_4;
  	            break $label0$0;
  	          }
  	          if (B.ChangeType_remove === _0_4) {
  	            t4 = B.ChangeType_remove;
  	            break $label0$0;
  	          }
  	          if (B.ChangeType_add === oldType) {
  	            t4 = B.ChangeType_add;
  	            break $label0$0;
  	          }
  	          t4 = B.ChangeType_modify;
  	          break $label0$0;
  	        }
  	        t2.$indexSet(0, t5, t4);
  	      }
  	      t3 = A._setArrayType([], type$.JSArray_WatchEvent);
  	      for (t1 = A.MapExtensions_get_pairs(new A.PathMap(t2, type$.PathMap_ChangeType), type$.nullable_String, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        _1_1 = t2._0;
  	        _1_1.toString;
  	        t3.push(new A.WatchEvent(t2._1, _1_1));
  	      }
  	      return t3;
  	    },
  	    $signature: 276
  	  };
  	  A.EmptyExtensionStore.prototype = {
  	    get$_extensions() {
  	      return A.throwExpression(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, A.JSInvocationMirror$(B.Symbol__extensions, "get$_empty_extension_store$_extensions", 1, [], [], 0)));
  	    },
  	    get$_sourceSpecificity() {
  	      return A.throwExpression(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, A.JSInvocationMirror$(B.Symbol__sourceSpecificity, "get$_empty_extension_store$_sourceSpecificity", 1, [], [], 0)));
  	    },
  	    get$isEmpty(_) {
  	      return true;
  	    },
  	    get$simpleSelectors() {
  	      return B.C_EmptyUnmodifiableSet;
  	    },
  	    extensionsWhereTarget$1(callback) {
  	      return B.List_empty5;
  	    },
  	    addSelector$2(selector, mediaContext) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addSel));
  	    },
  	    addExtension$4(extender, target, extend, mediaContext) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addExt_));
  	    },
  	    addExtensions$1(extenders) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addExts));
  	    },
  	    clone$0() {
  	      return B.Record2_EmptyExtensionStore_Map_empty;
  	    },
  	    $isExtensionStore: 1
  	  };
  	  A.Extension.prototype = {
  	    toString$0(_) {
  	      var t1 = this.extender.toString$0(0),
  	        t2 = this.target.toString$0(0),
  	        t3 = this.isOptional ? " !optional" : "";
  	      return t1 + " {@extend " + t2 + t3 + "}";
  	    }
  	  };
  	  A.Extender.prototype = {
  	    assertCompatibleMediaContext$1(mediaContext) {
  	      var expectedMediaContext,
  	        extension = this._extension;
  	      if (extension == null)
  	        return;
  	      expectedMediaContext = extension.mediaContext;
  	      if (expectedMediaContext == null)
  	        return;
  	      if (mediaContext != null && B.C_ListEquality.equals$2(0, expectedMediaContext, mediaContext))
  	        return;
  	      throw A.wrapException(A.SassException$(string$.You_ma, extension.span, null));
  	    },
  	    toString$0(_) {
  	      return A.serializeSelector(this.selector, true);
  	    }
  	  };
  	  A.ExtensionStore.prototype = {
  	    get$isEmpty(_) {
  	      return this._extensions.__js_helper$_length === 0;
  	    },
  	    get$simpleSelectors() {
  	      return new A.MapKeySet(this._selectors, type$.MapKeySet_SimpleSelector);
  	    },
  	    extensionsWhereTarget$1(callback) {
  	      return new A._SyncStarIterable(this.extensionsWhereTarget$body$ExtensionStore(callback), type$._SyncStarIterable_Extension);
  	    },
  	    extensionsWhereTarget$body$ExtensionStore($async$callback) {
  	      var $async$self = this;
  	      return function() {
  	        var callback = $async$callback;
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, simple, sources, t3;
  	        return function $async$extensionsWhereTarget$1($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = A.MapExtensions_get_pairs($async$self._extensions, type$.SimpleSelector, type$.Map_ComplexSelector_Extension), t1 = t1.get$iterator(t1);
  	              case 2:
  	                // for condition
  	                if (!t1.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 3;
  	                  break;
  	                }
  	                t2 = t1.get$current(t1);
  	                simple = t2._0;
  	                sources = t2._1;
  	                if (!callback.call$1(simple)) {
  	                  // goto for condition
  	                  $async$goto = 2;
  	                  break;
  	                }
  	                t2 = sources.get$values(sources), t2 = t2.get$iterator(t2);
  	              case 4:
  	                // for condition
  	                if (!t2.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 5;
  	                  break;
  	                }
  	                t3 = t2.get$current(t2);
  	                $async$goto = t3 instanceof A.MergedExtension ? 6 : 8;
  	                break;
  	              case 6:
  	                // then
  	                t3 = t3.unmerge$0();
  	                $async$goto = 9;
  	                return $async$iterator._yieldStar$1(new A.WhereIterable(t3, new A.ExtensionStore_extensionsWhereTarget_closure(), t3.$ti._eval$1("WhereIterable<Iterable.E>")));
  	              case 9:
  	                // after yield
  	                // goto join
  	                $async$goto = 7;
  	                break;
  	              case 8:
  	                // else
  	                $async$goto = !t3.isOptional ? 10 : 11;
  	                break;
  	              case 10:
  	                // then
  	                $async$goto = 12;
  	                return $async$iterator._async$_current = t3, 1;
  	              case 12:
  	                // after yield
  	              case 11:
  	                // join
  	              case 7:
  	                // join
  	                // goto for condition
  	                $async$goto = 4;
  	                break;
  	              case 5:
  	                // after for
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 3:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    addSelector$2(selector, mediaContext) {
  	      var originalSelector, error, stackTrace, t1, t2, t3, t4, modifiableSelector, _this = this;
  	      selector = selector;
  	      originalSelector = selector;
  	      if (!originalSelector.accept$1(B._IsInvisibleVisitor_true))
  	        _this._originals.addAll$1(0, originalSelector.components);
  	      t1 = _this._extensions;
  	      if (t1.__js_helper$_length !== 0)
  	        try {
  	          selector = _this._extendList$3(originalSelector, t1, mediaContext);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (t1 instanceof A.SassException) {
  	            error = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            t1 = error;
  	            t2 = J.getInterceptor$x(t1);
  	            t1 = A.SourceSpanException.prototype.get$span.call(t2, t1).message$1(0, "");
  	            t2 = error._span_exception$_message;
  	            t3 = error;
  	            t4 = J.getInterceptor$x(t3);
  	            t3 = A.SourceSpanException.prototype.get$span.call(t4, t3);
  	            A.throwWithTrace(new A.SassException(B.Set_empty, "From " + t1 + "\n" + t2, t3), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      modifiableSelector = new A.ModifiableBox(selector, type$.ModifiableBox_SelectorList);
  	      if (mediaContext != null)
  	        _this._mediaContexts.$indexSet(0, modifiableSelector, mediaContext);
  	      _this._registerSelector$2(selector, modifiableSelector);
  	      return new A.Box(modifiableSelector, type$.Box_SelectorList);
  	    },
  	    _registerSelector$2(list, selector) {
  	      var t1, t2, t3, t4, _i, t5, t6, _i0, t7, t8, _i1, simple, _0_2_isSet, _0_2, t9, selectorInPseudo;
  	      for (t1 = list.components, t2 = t1.length, t3 = this._selectors, t4 = type$.SelectorList, _i = 0; _i < t2; ++_i)
  	        for (t5 = t1[_i].components, t6 = t5.length, _i0 = 0; _i0 < t6; ++_i0)
  	          for (t7 = t5[_i0].selector.components, t8 = t7.length, _i1 = 0; _i1 < t8; ++_i1) {
  	            simple = t7[_i1];
  	            t3.putIfAbsent$2(simple, new A.ExtensionStore__registerSelector_closure()).add$1(0, selector);
  	            _0_2_isSet = simple instanceof A.PseudoSelector;
  	            _0_2 = null;
  	            if (_0_2_isSet) {
  	              _0_2 = simple.selector;
  	              t9 = _0_2;
  	              t9 = t9 != null;
  	            } else
  	              t9 = false;
  	            if (t9) {
  	              selectorInPseudo = _0_2_isSet ? _0_2 : simple.selector;
  	              this._registerSelector$2(selectorInPseudo == null ? t4._as(selectorInPseudo) : selectorInPseudo, selector);
  	            }
  	          }
  	    },
  	    addExtension$4(extender, target, extend, mediaContext) {
  	      var t2, t3, t4, t5, t6, t7, t8, t9, t10, newExtensions, _i, complex, t11, extension, _0_0, t12, newExtensionsByTarget, additionalExtensions, _this = this,
  	        selectors = _this._selectors.$index(0, target),
  	        t1 = _this._extensionsByExtender,
  	        existingExtensions = t1.$index(0, target),
  	        sources = _this._extensions.putIfAbsent$2(target, new A.ExtensionStore_addExtension_closure());
  	      for (t2 = extender.components, t3 = t2.length, t4 = selectors == null, t5 = _this._sourceSpecificity, t6 = extend.span, t7 = extend.isOptional, t8 = existingExtensions != null, t9 = type$.ComplexSelector, t10 = type$.Extension, newExtensions = null, _i = 0; _i < t3; ++_i) {
  	        complex = t2[_i];
  	        if (complex.accept$1(B.C__IsUselessVisitor))
  	          continue;
  	        complex.get$specificity();
  	        t11 = new A.Extender(complex, false);
  	        extension = t11._extension = new A.Extension(t11, target, mediaContext, t7, t6);
  	        _0_0 = sources.$index(0, complex);
  	        if (_0_0 != null) {
  	          sources.$indexSet(0, complex, A.MergedExtension_merge(_0_0, extension));
  	          continue;
  	        }
  	        sources.$indexSet(0, complex, extension);
  	        for (t11 = new A._SyncStarIterator(_this._simpleSelectors$1(complex)._outerHelper()); t11.moveNext$0();) {
  	          t12 = t11._async$_current;
  	          J.add$1$ax(t1.putIfAbsent$2(t12, new A.ExtensionStore_addExtension_closure0()), extension);
  	          t5.putIfAbsent$2(t12, new A.ExtensionStore_addExtension_closure1(complex));
  	        }
  	        if (!t4 || t8) {
  	          if (newExtensions == null)
  	            newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t9, t10);
  	          newExtensions.$indexSet(0, complex, extension);
  	        }
  	      }
  	      if (newExtensions == null)
  	        return;
  	      t1 = type$.SimpleSelector;
  	      newExtensionsByTarget = A.LinkedHashMap_LinkedHashMap$_literal([target, newExtensions], t1, type$.Map_ComplexSelector_Extension);
  	      if (t8) {
  	        additionalExtensions = _this._extendExistingExtensions$2(existingExtensions, newExtensionsByTarget);
  	        if (additionalExtensions != null)
  	          A.mapAddAll2(newExtensionsByTarget, additionalExtensions, t1, t9, t10);
  	      }
  	      if (!t4)
  	        _this._extendExistingSelectors$2(selectors, newExtensionsByTarget);
  	    },
  	    _simpleSelectors$1(complex) {
  	      return new A._SyncStarIterable(this._simpleSelectors$body$ExtensionStore(complex), type$._SyncStarIterable_SimpleSelector);
  	    },
  	    _simpleSelectors$body$ExtensionStore($async$complex) {
  	      var $async$self = this;
  	      return function() {
  	        var complex = $async$complex;
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, t3, _i, t4, t5, _i0, simple, _0_2_isSet, _0_2, t6, selector, t7, _i1;
  	        return function $async$_simpleSelectors$1($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = complex.components, t2 = t1.length, t3 = type$.SelectorList, _i = 0;
  	              case 2:
  	                // for condition
  	                if (!(_i < t2)) {
  	                  // goto after for
  	                  $async$goto = 4;
  	                  break;
  	                }
  	                t4 = t1[_i].selector.components, t5 = t4.length, _i0 = 0;
  	              case 5:
  	                // for condition
  	                if (!(_i0 < t5)) {
  	                  // goto after for
  	                  $async$goto = 7;
  	                  break;
  	                }
  	                simple = t4[_i0];
  	                $async$goto = 8;
  	                return $async$iterator._async$_current = simple, 1;
  	              case 8:
  	                // after yield
  	                _0_2_isSet = simple instanceof A.PseudoSelector;
  	                _0_2 = null;
  	                if (_0_2_isSet) {
  	                  _0_2 = simple.selector;
  	                  t6 = _0_2;
  	                  t6 = t6 != null;
  	                } else
  	                  t6 = false;
  	                $async$goto = t6 ? 9 : 10;
  	                break;
  	              case 9:
  	                // then
  	                selector = _0_2_isSet ? _0_2 : simple.selector;
  	                t6 = (selector == null ? t3._as(selector) : selector).components, t7 = t6.length, _i1 = 0;
  	              case 11:
  	                // for condition
  	                if (!(_i1 < t7)) {
  	                  // goto after for
  	                  $async$goto = 13;
  	                  break;
  	                }
  	                $async$goto = 14;
  	                return $async$iterator._yieldStar$1($async$self._simpleSelectors$1(t6[_i1]));
  	              case 14:
  	                // after yield
  	              case 12:
  	                // for update
  	                ++_i1;
  	                // goto for condition
  	                $async$goto = 11;
  	                break;
  	              case 13:
  	                // after for
  	              case 10:
  	                // join
  	              case 6:
  	                // for update
  	                ++_i0;
  	                // goto for condition
  	                $async$goto = 5;
  	                break;
  	              case 7:
  	                // after for
  	              case 3:
  	                // for update
  	                ++_i;
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 4:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    _extendExistingExtensions$2(extensions, newExtensions) {
  	      var extension, selectors, error, stackTrace, t1, t2, t3, t4, t5, t6, additionalExtensions, _i, t7, t8, t9, selectors0, t10, t11, t12, t13, t14, withExtender, _0_0, _i0, _i1;
  	      for (t1 = J.toList$0$ax(extensions), t2 = t1.length, t3 = this._extensionsByExtender, t4 = type$.SimpleSelector, t5 = type$.Map_ComplexSelector_Extension, t6 = this._extensions, additionalExtensions = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        extension = t1[_i];
  	        t7 = t6.$index(0, extension.target);
  	        t7.toString;
  	        selectors = null;
  	        try {
  	          selectors = this._extendComplex$3(extension.extender.selector, newExtensions, extension.mediaContext);
  	          if (selectors == null)
  	            continue;
  	        } catch (exception) {
  	          t8 = A.unwrapException(exception);
  	          if (t8 instanceof A.SassException) {
  	            error = t8;
  	            stackTrace = A.getTraceFromException(exception);
  	            A.throwWithTrace(error.withAdditionalSpan$2(extension.extender.selector.span, "target selector"), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	        t8 = J.get$first$ax(selectors);
  	        t9 = extension.extender.selector;
  	        if (B.C_ListEquality.equals$2(0, t8.leadingCombinators, t9.leadingCombinators) && B.C_ListEquality.equals$2(0, t8.components, t9.components)) {
  	          t8 = selectors;
  	          t9 = A._arrayInstanceType(t8);
  	          selectors0 = new A.SubListIterable(t8, 1, null, t9._eval$1("SubListIterable<1>"));
  	          selectors0.SubListIterable$3(t8, 1, null, t9._precomputed1);
  	          selectors = selectors0;
  	        }
  	        for (t8 = J.get$iterator$ax(selectors); t8.moveNext$0();) {
  	          t9 = t8.get$current(t8);
  	          t10 = extension;
  	          t11 = t10.target;
  	          t12 = t10.span;
  	          t13 = t10.mediaContext;
  	          t10 = t10.isOptional;
  	          t9.get$specificity();
  	          t14 = new A.Extender(t9, false);
  	          withExtender = t14._extension = new A.Extension(t14, t11, t13, t10, t12);
  	          _0_0 = t7.$index(0, t9);
  	          if (_0_0 != null)
  	            t7.$indexSet(0, t9, A.MergedExtension_merge(_0_0, withExtender));
  	          else {
  	            t7.$indexSet(0, t9, withExtender);
  	            for (t10 = t9.components, t11 = t10.length, _i0 = 0; _i0 < t11; ++_i0)
  	              for (t12 = t10[_i0].selector.components, t13 = t12.length, _i1 = 0; _i1 < t13; ++_i1)
  	                J.add$1$ax(t3.putIfAbsent$2(t12[_i1], new A.ExtensionStore__extendExistingExtensions_closure()), withExtender);
  	            if (newExtensions.containsKey$1(extension.target)) {
  	              if (additionalExtensions == null)
  	                additionalExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t4, t5);
  	              additionalExtensions.putIfAbsent$2(extension.target, new A.ExtensionStore__extendExistingExtensions_closure0()).$indexSet(0, t9, withExtender);
  	            }
  	          }
  	        }
  	      }
  	      return additionalExtensions;
  	    },
  	    _extendExistingSelectors$2(selectors, newExtensions) {
  	      var selector, error, stackTrace, t1, t2, oldValue, t3, t4, t5, t6;
  	      for (t1 = selectors.get$iterator(selectors), t2 = this._mediaContexts; t1.moveNext$0();) {
  	        selector = t1.get$current(t1);
  	        oldValue = selector.value;
  	        try {
  	          selector.value = this._extendList$3(selector.value, newExtensions, t2.$index(0, selector));
  	        } catch (exception) {
  	          t3 = A.unwrapException(exception);
  	          if (t3 instanceof A.SassException) {
  	            error = t3;
  	            stackTrace = A.getTraceFromException(exception);
  	            t3 = selector.value.span.message$1(0, "");
  	            t4 = error._span_exception$_message;
  	            t5 = error;
  	            t6 = J.getInterceptor$x(t5);
  	            t5 = A.SourceSpanException.prototype.get$span.call(t6, t5);
  	            A.throwWithTrace(new A.SassException(B.Set_empty, "From " + t3 + "\n" + t4, t5), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	        if (oldValue === selector.value)
  	          continue;
  	        this._registerSelector$2(selector.value, selector);
  	      }
  	    },
  	    addExtensions$1(extensionStores) {
  	      var t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, newExtensions, selectorsToExtend, extensionsToExtend, t12, t13, target, newSources, first, extensionsForTarget, t14, selectorsForTarget, t15, _2_0, t16, extender, extension, _this = this, _null = null;
  	      for (t1 = J.get$iterator$ax(extensionStores), t2 = type$.SimpleSelector, t3 = type$.Map_ComplexSelector_Extension, t4 = _this._extensions, t5 = type$.ComplexSelector, t6 = type$.Extension, t7 = _this._selectors, t8 = _this._extensionsByExtender, t9 = type$.JSArray_Extension, t10 = type$.ModifiableBox_SelectorList, t11 = _this._sourceSpecificity, newExtensions = _null, selectorsToExtend = newExtensions, extensionsToExtend = selectorsToExtend; t1.moveNext$0();) {
  	        t12 = t1.get$current(t1);
  	        if (t12.get$isEmpty(t12))
  	          continue;
  	        t11.addAll$1(0, t12.get$_sourceSpecificity());
  	        for (t12 = A.MapExtensions_get_pairs(t12.get$_extensions(), t2, t3), t12 = t12.get$iterator(t12); t12.moveNext$0();) {
  	          t13 = t12.get$current(t12);
  	          target = t13._0;
  	          newSources = t13._1;
  	          if (target instanceof A.PlaceholderSelector) {
  	            first = target.name.charCodeAt(0);
  	            t13 = first === 45 || first === 95;
  	          } else
  	            t13 = false;
  	          if (t13)
  	            continue;
  	          extensionsForTarget = t8.$index(0, target);
  	          t13 = extensionsForTarget == null;
  	          if (!t13) {
  	            if (extensionsToExtend == null) {
  	              extensionsToExtend = A._setArrayType([], t9);
  	              t14 = extensionsToExtend;
  	            } else
  	              t14 = extensionsToExtend;
  	            B.JSArray_methods.addAll$1(t14, extensionsForTarget);
  	          }
  	          selectorsForTarget = t7.$index(0, target);
  	          t14 = selectorsForTarget != null;
  	          if (t14) {
  	            if (selectorsToExtend == null) {
  	              selectorsToExtend = A.LinkedHashSet_LinkedHashSet$_empty(t10);
  	              t15 = selectorsToExtend;
  	            } else
  	              t15 = selectorsToExtend;
  	            t15.addAll$1(0, selectorsForTarget);
  	          }
  	          _2_0 = t4.$index(0, target);
  	          if (_2_0 != null)
  	            for (t15 = A.MapExtensions_get_pairs(newSources, t5, t6), t15 = t15.get$iterator(t15); t15.moveNext$0();) {
  	              t16 = t15.get$current(t15);
  	              extender = t16._0;
  	              extension = t16._1;
  	              if (_2_0.containsKey$1(extender)) {
  	                t16 = _2_0.$index(0, extender);
  	                extension = A.MergedExtension_merge(t16 == null ? t6._as(t16) : t16, extension);
  	                _2_0.$indexSet(0, extender, extension);
  	              } else
  	                _2_0.$indexSet(0, extender, extension);
  	              if (!t13 || t14) {
  	                if (newExtensions == null) {
  	                  newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	                  t16 = newExtensions;
  	                } else
  	                  t16 = newExtensions;
  	                t16.putIfAbsent$2(target, new A.ExtensionStore_addExtensions_closure()).$indexSet(0, extender, extension);
  	              }
  	            }
  	          else {
  	            t15 = A.LinkedHashMap_LinkedHashMap(_null, _null, _null, t5, t6);
  	            t15.addAll$1(0, newSources);
  	            t4.$indexSet(0, target, t15);
  	            if (!t13 || t14) {
  	              if (newExtensions == null) {
  	                newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	                t13 = newExtensions;
  	              } else
  	                t13 = newExtensions;
  	              t14 = A.LinkedHashMap_LinkedHashMap(_null, _null, _null, t5, t6);
  	              t14.addAll$1(0, newSources);
  	              t13.$indexSet(0, target, t14);
  	            }
  	          }
  	        }
  	      }
  	      if (newExtensions != null) {
  	        if (extensionsToExtend != null)
  	          _this._extendExistingExtensions$2(extensionsToExtend, newExtensions);
  	        if (selectorsToExtend != null)
  	          _this._extendExistingSelectors$2(selectorsToExtend, newExtensions);
  	      }
  	    },
  	    _extendList$3(list, extensions, mediaQueryContext) {
  	      var t1, t2, t3, extended, i, complex, result, t4;
  	      for (t1 = list.components, t2 = t1.length, t3 = type$.JSArray_ComplexSelector, extended = null, i = 0; i < t2; ++i) {
  	        complex = t1[i];
  	        result = this._extendComplex$3(complex, extensions, mediaQueryContext);
  	        if (result == null) {
  	          if (extended != null)
  	            extended.push(complex);
  	        } else {
  	          if (extended == null)
  	            if (i === 0)
  	              extended = A._setArrayType([], t3);
  	            else {
  	              t4 = B.JSArray_methods.sublist$2(t1, 0, i);
  	              extended = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	            }
  	          B.JSArray_methods.addAll$1(extended, result);
  	        }
  	      }
  	      if (extended == null)
  	        return list;
  	      t1 = this._originals;
  	      return A.SelectorList$(this._trim$2(extended, t1.get$contains(t1)), list.span);
  	    },
  	    _extendList$2(list, extensions) {
  	      return this._extendList$3(list, extensions, null);
  	    },
  	    _extendComplex$3(complex, extensions, mediaQueryContext) {
  	      var isOriginal, t3, t4, t5, t6, t7, t8, t9, t10, extendedNotExpanded, i, component, extended, t11, t12, t13, t14, _box_0 = {},
  	        t1 = complex.leadingCombinators,
  	        t2 = t1.length;
  	      if (t2 > 1)
  	        return null;
  	      isOriginal = this._originals.contains$1(0, complex);
  	      for (t3 = complex.components, t4 = t3.length, t5 = type$.JSArray_List_ComplexSelector, t6 = complex.lineBreak, t7 = !t6, t8 = complex.span, t9 = type$.JSArray_ComplexSelector, t2 = t2 === 0, t10 = type$.JSArray_ComplexSelectorComponent, extendedNotExpanded = null, i = 0; i < t4; ++i) {
  	        component = t3[i];
  	        extended = this._extendCompound$4$inOriginal(component, extensions, mediaQueryContext, isOriginal);
  	        if (extended == null) {
  	          if (extendedNotExpanded != null)
  	            extendedNotExpanded.push(A._setArrayType([A.ComplexSelector$(B.List_empty0, A._setArrayType([component], t10), t8, t6)], t9));
  	        } else if (extendedNotExpanded != null)
  	          extendedNotExpanded.push(extended);
  	        else if (i !== 0) {
  	          t11 = A._arrayInstanceType(t3);
  	          t12 = new A.SubListIterable(t3, 0, i, t11._eval$1("SubListIterable<1>"));
  	          t12.SubListIterable$3(t3, 0, i, t11._precomputed1);
  	          extendedNotExpanded = A._setArrayType([A._setArrayType([A.ComplexSelector$(t1, t12, t8, t6)], t9), extended], t5);
  	        } else if (t2)
  	          extendedNotExpanded = A._setArrayType([extended], t5);
  	        else {
  	          t11 = A._setArrayType([], t9);
  	          for (t12 = J.get$iterator$ax(extended); t12.moveNext$0();) {
  	            t13 = t12.get$current(t12);
  	            t14 = t13.leadingCombinators;
  	            if (t14.length === 0 || B.C_ListEquality.equals$2(0, t1, t14)) {
  	              t14 = t13.components;
  	              t11.push(A.ComplexSelector$(t1, t14, t8, !t7 || t13.lineBreak));
  	            }
  	          }
  	          extendedNotExpanded = A._setArrayType([t11], t5);
  	        }
  	      }
  	      if (extendedNotExpanded == null)
  	        return null;
  	      _box_0.first = true;
  	      t1 = type$.ComplexSelector;
  	      t1 = J.expand$1$1$ax(A.paths(extendedNotExpanded, t1), new A.ExtensionStore__extendComplex_closure(_box_0, this, complex), t1);
  	      t1 = A.List_List$_of(t1, t1.$ti._eval$1("Iterable.E"));
  	      return t1;
  	    },
  	    _extendCompound$4$inOriginal(component, extensions, mediaQueryContext, inOriginal) {
  	      var t3, t4, t5, t6, t7, t8, t9, t10, t11, options, i, simple, extended, t12, result, compound, complex, extenderPaths, withCombinators, isOriginal, _this = this, _null = null,
  	        t1 = _this._mode,
  	        targetsUsed = t1 === B.ExtendMode_normal_0_normal || extensions.__js_helper$_length < 2 ? _null : A.LinkedHashSet_LinkedHashSet$_empty(type$.SimpleSelector),
  	        t2 = component.selector,
  	        simples = t2.components;
  	      for (t3 = simples.length, t4 = type$.JSArray_List_Extender, t5 = type$.JSArray_Extender, t6 = type$.CssValue_Combinator, t7 = type$.JSArray_ComplexSelectorComponent, t8 = A._arrayInstanceType(simples), t9 = t8._precomputed1, t8 = t8._eval$1("SubListIterable<1>"), t10 = component.span, t11 = type$.SimpleSelector, options = _null, i = 0; i < t3; ++i) {
  	        simple = simples[i];
  	        extended = _this._extendSimple$4(simple, extensions, mediaQueryContext, targetsUsed);
  	        if (extended == null) {
  	          if (options != null)
  	            options.push(A._setArrayType([_this._extenderForSimple$1(simple)], t5));
  	        } else {
  	          if (options == null) {
  	            options = A._setArrayType([], t4);
  	            if (i !== 0) {
  	              t12 = new A.SubListIterable(simples, 0, i, t8);
  	              t12.SubListIterable$3(simples, 0, i, t9);
  	              result = A.List_List$from(t12, false, t11);
  	              result.$flags = 3;
  	              t12 = result;
  	              compound = new A.CompoundSelector(t12, t10);
  	              if (t12.length === 0)
  	                A.throwExpression(A.ArgumentError$("components may not be empty.", _null));
  	              result = A.List_List$from(B.List_empty0, false, t6);
  	              result.$flags = 3;
  	              t12 = A.ComplexSelector$(B.List_empty0, A._setArrayType([new A.ComplexSelectorComponent(compound, result, t10)], t7), t10, false);
  	              _this._sourceSpecificityFor$1(compound);
  	              options.push(A._setArrayType([new A.Extender(t12, true)], t5));
  	            }
  	          }
  	          B.JSArray_methods.addAll$1(options, extended);
  	        }
  	      }
  	      if (options == null)
  	        return _null;
  	      if (targetsUsed != null && targetsUsed._collection$_length !== extensions.__js_helper$_length)
  	        return _null;
  	      if (options.length === 1) {
  	        for (t1 = J.get$iterator$ax(options[0]), t2 = component.combinators, t3 = type$.JSArray_ComplexSelector, result = _null; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          t4.assertCompatibleMediaContext$1(mediaQueryContext);
  	          complex = t4.selector.withAdditionalCombinators$1(t2);
  	          if (complex.accept$1(B.C__IsUselessVisitor))
  	            continue;
  	          if (result == null)
  	            result = A._setArrayType([], t3);
  	          result.push(complex);
  	        }
  	        return result;
  	      }
  	      extenderPaths = A.paths(options, type$.Extender);
  	      t3 = A._setArrayType([], type$.JSArray_ComplexSelector);
  	      t1 = t1 === B.ExtendMode_replace_1_replace;
  	      t4 = !t1;
  	      if (t4)
  	        t3.push(A.ComplexSelector$(B.List_empty0, A._setArrayType([new A.ComplexSelectorComponent(A.CompoundSelector$(J.expand$1$1$ax(J.get$first$ax(extenderPaths), new A.ExtensionStore__extendCompound_closure(), t11), t2.span), A.List_List$unmodifiable(component.combinators, t6), t10)], t7), t10, false));
  	      t2 = J.skip$1$ax(extenderPaths, t1 ? 0 : 1);
  	      t5 = t2.$ti;
  	      t2 = new A.ListIterator(t2, t2.get$length(0), t5._eval$1("ListIterator<ListIterable.E>"));
  	      t6 = component.combinators;
  	      t5 = t5._eval$1("ListIterable.E");
  	      while (t2.moveNext$0()) {
  	        t1 = t2.__internal$_current;
  	        extended = _this._unifyExtenders$3(t1 == null ? t5._as(t1) : t1, mediaQueryContext, t10);
  	        if (extended == null)
  	          continue;
  	        for (t1 = J.get$iterator$ax(extended); t1.moveNext$0();) {
  	          withCombinators = t1.get$current(t1).withAdditionalCombinators$1(t6);
  	          if (!withCombinators.accept$1(B.C__IsUselessVisitor))
  	            t3.push(withCombinators);
  	        }
  	      }
  	      isOriginal = new A.ExtensionStore__extendCompound_closure0();
  	      return _this._trim$2(t3, inOriginal && t4 ? new A.ExtensionStore__extendCompound_closure1(B.JSArray_methods.get$first(t3)) : isOriginal);
  	    },
  	    _unifyExtenders$3(extenders, mediaQueryContext, span) {
  	      var t1, t2, t3, originals, originalsLineBreak, t4, complexes, _null = null,
  	        toUnify = A.QueueList$(_null, type$.ComplexSelector);
  	      for (t1 = J.getInterceptor$ax(extenders), t2 = t1.get$iterator(extenders), t3 = type$.JSArray_SimpleSelector, originals = _null, originalsLineBreak = false; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        if (t4.isOriginal) {
  	          if (originals == null)
  	            originals = A._setArrayType([], t3);
  	          t4 = t4.selector;
  	          B.JSArray_methods.addAll$1(originals, B.JSArray_methods.get$last(t4.components).selector.components);
  	          originalsLineBreak = originalsLineBreak || t4.lineBreak;
  	        } else {
  	          t4 = t4.selector;
  	          if (t4.accept$1(B.C__IsUselessVisitor))
  	            return _null;
  	          else
  	            toUnify._queue_list$_add$1(t4);
  	        }
  	      }
  	      if (originals != null)
  	        toUnify.addFirst$1(A.ComplexSelector$(B.List_empty0, A._setArrayType([new A.ComplexSelectorComponent(A.CompoundSelector$(originals, span), A.List_List$unmodifiable(B.List_empty0, type$.CssValue_Combinator), span)], type$.JSArray_ComplexSelectorComponent), span, originalsLineBreak));
  	      complexes = A.unifyComplex(toUnify, span);
  	      if (complexes == null)
  	        return _null;
  	      for (t1 = t1.get$iterator(extenders); t1.moveNext$0();)
  	        t1.get$current(t1).assertCompatibleMediaContext$1(mediaQueryContext);
  	      return complexes;
  	    },
  	    _extendSimple$4(simple, extensions, mediaQueryContext, targetsUsed) {
  	      var t2, _1_0,
  	        t1 = new A.ExtensionStore__extendSimple_withoutPseudo(this, extensions, targetsUsed);
  	      if (simple instanceof A.PseudoSelector)
  	        t2 = simple.selector != null;
  	      else
  	        t2 = false;
  	      if (t2) {
  	        _1_0 = this._extendPseudo$3(simple, extensions, mediaQueryContext);
  	        if (_1_0 != null)
  	          return new A.MappedListIterable(_1_0, new A.ExtensionStore__extendSimple_closure(this, t1), A._arrayInstanceType(_1_0)._eval$1("MappedListIterable<1,List<Extender>>"));
  	      }
  	      return A.NullableExtension_andThen(t1.call$1(simple), new A.ExtensionStore__extendSimple_closure0());
  	    },
  	    _extenderForSimple$1(simple) {
  	      var t1 = simple.span;
  	      t1 = A.ComplexSelector$(B.List_empty0, A._setArrayType([new A.ComplexSelectorComponent(A.CompoundSelector$(A._setArrayType([simple], type$.JSArray_SimpleSelector), t1), A.List_List$unmodifiable(B.List_empty0, type$.CssValue_Combinator), t1)], type$.JSArray_ComplexSelectorComponent), t1, false);
  	      this._sourceSpecificity.$index(0, simple);
  	      return new A.Extender(t1, true);
  	    },
  	    _extendPseudo$3(pseudo, extensions, mediaQueryContext) {
  	      var extended, complexes, t1, result,
  	        selector = pseudo.selector;
  	      if (selector == null)
  	        throw A.wrapException(A.ArgumentError$("Selector " + pseudo.toString$0(0) + " must have a selector argument.", null));
  	      extended = this._extendList$3(selector, extensions, mediaQueryContext);
  	      if (extended === selector)
  	        return null;
  	      complexes = extended.components;
  	      t1 = pseudo.normalizedName === "not";
  	      if (t1 && !B.JSArray_methods.any$1(selector.components, new A.ExtensionStore__extendPseudo_closure()) && B.JSArray_methods.any$1(complexes, new A.ExtensionStore__extendPseudo_closure0()))
  	        complexes = new A.WhereIterable(complexes, new A.ExtensionStore__extendPseudo_closure1(), A._arrayInstanceType(complexes)._eval$1("WhereIterable<1>"));
  	      complexes = J.expand$1$1$ax(complexes, new A.ExtensionStore__extendPseudo_closure2(pseudo), type$.ComplexSelector);
  	      if (t1 && selector.components.length === 1) {
  	        t1 = A.MappedIterable_MappedIterable(complexes, new A.ExtensionStore__extendPseudo_closure3(pseudo, selector), complexes.$ti._eval$1("Iterable.E"), type$.PseudoSelector);
  	        result = A.List_List$_of(t1, A._instanceType(t1)._eval$1("Iterable.E"));
  	        return result.length === 0 ? null : result;
  	      } else
  	        return A._setArrayType([pseudo.withSelector$1(A.SelectorList$(complexes, selector.span))], type$.JSArray_PseudoSelector);
  	    },
  	    _trim$2(selectors, isOriginal) {
  	      var result, i, t1, t2, numOriginals, _box_0, complex1, j, t3, t4, _i, t5, maxSpecificity;
  	      if (selectors.length > 100)
  	        return selectors;
  	      result = A.QueueList$(null, type$.ComplexSelector);
  	      $label0$0:
  	        for (i = selectors.length - 1, t1 = A._arrayInstanceType(selectors), t2 = t1._precomputed1, t1 = t1._eval$1("SubListIterable<1>"), numOriginals = 0; i >= 0; --i) {
  	          _box_0 = {};
  	          complex1 = selectors[i];
  	          if (isOriginal.call$1(complex1)) {
  	            for (j = 0; j < numOriginals; ++j)
  	              if (result.$index(0, j).$eq(0, complex1)) {
  	                A.rotateSlice(result, 0, j + 1);
  	                continue $label0$0;
  	              }
  	            ++numOriginals;
  	            result.addFirst$1(complex1);
  	            continue $label0$0;
  	          }
  	          _box_0.maxSpecificity = 0;
  	          for (t3 = complex1.components, t4 = t3.length, _i = 0, t5 = 0; _i < t4; ++_i, t5 = maxSpecificity) {
  	            maxSpecificity = Math.max(t5, this._sourceSpecificityFor$1(t3[_i].selector));
  	            _box_0.maxSpecificity = maxSpecificity;
  	          }
  	          if (result.any$1(result, new A.ExtensionStore__trim_closure(_box_0, complex1)))
  	            continue $label0$0;
  	          t3 = new A.SubListIterable(selectors, 0, i, t1);
  	          t3.SubListIterable$3(selectors, 0, i, t2);
  	          if (t3.any$1(0, new A.ExtensionStore__trim_closure0(_box_0, complex1)))
  	            continue $label0$0;
  	          result.addFirst$1(complex1);
  	        }
  	      return result;
  	    },
  	    _sourceSpecificityFor$1(compound) {
  	      var t1, t2, t3, specificity, _i, t4;
  	      for (t1 = compound.components, t2 = t1.length, t3 = this._sourceSpecificity, specificity = 0, _i = 0; _i < t2; ++_i) {
  	        t4 = t3.$index(0, t1[_i]);
  	        if (t4 == null)
  	          t4 = 0;
  	        specificity = Math.max(specificity, t4);
  	      }
  	      return specificity;
  	    },
  	    clone$0() {
  	      var t3, t4, _this = this,
  	        t1 = type$.SimpleSelector,
  	        newSelectors = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList),
  	        t2 = type$.ModifiableBox_SelectorList,
  	        newMediaContexts = A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.List_CssMediaQuery),
  	        oldToNewSelectors = new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_of_SelectorList_and_Box_SelectorList);
  	      _this._selectors.forEach$1(0, new A.ExtensionStore_clone_closure(_this, newSelectors, A.LinkedHashMap_LinkedHashMap$_empty(t2, t2), oldToNewSelectors, newMediaContexts));
  	      t2 = type$.Extension;
  	      t3 = A.copyMapOfMap(_this._extensions, t1, type$.ComplexSelector, t2);
  	      t2 = A.copyMapOfList(_this._extensionsByExtender, t1, t2);
  	      t1 = new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int);
  	      t1.addAll$1(0, _this._sourceSpecificity);
  	      t4 = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector);
  	      t4.addAll$1(0, _this._originals);
  	      return new A._Record_2(new A.ExtensionStore(newSelectors, t3, t2, newMediaContexts, t1, t4, B.ExtendMode_normal_0_normal), oldToNewSelectors);
  	    },
  	    get$_extensions() {
  	      return this._extensions;
  	    },
  	    get$_sourceSpecificity() {
  	      return this._sourceSpecificity;
  	    }
  	  };
  	  A.ExtensionStore_extensionsWhereTarget_closure.prototype = {
  	    call$1(extension) {
  	      return !extension.isOptional;
  	    },
  	    $signature: 334
  	  };
  	  A.ExtensionStore__registerSelector_closure.prototype = {
  	    call$0() {
  	      return A.LinkedHashSet_LinkedHashSet$_empty(type$.ModifiableBox_SelectorList);
  	    },
  	    $signature: 338
  	  };
  	  A.ExtensionStore_addExtension_closure.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector, type$.Extension);
  	    },
  	    $signature: 130
  	  };
  	  A.ExtensionStore_addExtension_closure0.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_Extension);
  	    },
  	    $signature: 213
  	  };
  	  A.ExtensionStore_addExtension_closure1.prototype = {
  	    call$0() {
  	      return this.complex.get$specificity();
  	    },
  	    $signature: 10
  	  };
  	  A.ExtensionStore__extendExistingExtensions_closure.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_Extension);
  	    },
  	    $signature: 213
  	  };
  	  A.ExtensionStore__extendExistingExtensions_closure0.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector, type$.Extension);
  	    },
  	    $signature: 130
  	  };
  	  A.ExtensionStore_addExtensions_closure.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector, type$.Extension);
  	    },
  	    $signature: 130
  	  };
  	  A.ExtensionStore__extendComplex_closure.prototype = {
  	    call$1(path) {
  	      var t1 = this.complex;
  	      return J.map$1$1$ax(A.weave(path, t1.span, t1.lineBreak), new A.ExtensionStore__extendComplex__closure(this._box_0, this.$this, t1), type$.ComplexSelector);
  	    },
  	    $signature: 343
  	  };
  	  A.ExtensionStore__extendComplex__closure.prototype = {
  	    call$1(outputComplex) {
  	      var _this = this,
  	        t1 = _this._box_0;
  	      if (t1.first && _this.$this._originals.contains$1(0, _this.complex))
  	        _this.$this._originals.add$1(0, outputComplex);
  	      t1.first = false;
  	      return outputComplex;
  	    },
  	    $signature: 61
  	  };
  	  A.ExtensionStore__extendCompound_closure.prototype = {
  	    call$1(extender) {
  	      return B.JSArray_methods.get$last(extender.selector.components).selector.components;
  	    },
  	    $signature: 345
  	  };
  	  A.ExtensionStore__extendCompound_closure0.prototype = {
  	    call$1(_) {
  	      return false;
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__extendCompound_closure1.prototype = {
  	    call$1(complex) {
  	      return complex.$eq(0, this.original);
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__extendSimple_withoutPseudo.prototype = {
  	    call$1(simple) {
  	      var t1, t2,
  	        extensionsForSimple = this.extensions.$index(0, simple);
  	      if (extensionsForSimple == null)
  	        return null;
  	      t1 = this.targetsUsed;
  	      if (t1 != null)
  	        t1.add$1(0, simple);
  	      t1 = A._setArrayType([], type$.JSArray_Extender);
  	      t2 = this.$this;
  	      if (t2._mode !== B.ExtendMode_replace_1_replace)
  	        t1.push(t2._extenderForSimple$1(simple));
  	      for (t2 = extensionsForSimple.get$values(extensionsForSimple), t2 = t2.get$iterator(t2); t2.moveNext$0();)
  	        t1.push(t2.get$current(t2).extender);
  	      return t1;
  	    },
  	    $signature: 351
  	  };
  	  A.ExtensionStore__extendSimple_closure.prototype = {
  	    call$1(pseudo) {
  	      var t1 = this.withoutPseudo.call$1(pseudo);
  	      return t1 == null ? A._setArrayType([this.$this._extenderForSimple$1(pseudo)], type$.JSArray_Extender) : t1;
  	    },
  	    $signature: 352
  	  };
  	  A.ExtensionStore__extendSimple_closure0.prototype = {
  	    call$1(result) {
  	      return A._setArrayType([result], type$.JSArray_List_Extender);
  	    },
  	    $signature: 353
  	  };
  	  A.ExtensionStore__extendPseudo_closure.prototype = {
  	    call$1(complex) {
  	      return complex.components.length > 1;
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__extendPseudo_closure0.prototype = {
  	    call$1(complex) {
  	      return complex.components.length === 1;
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__extendPseudo_closure1.prototype = {
  	    call$1(complex) {
  	      return complex.components.length <= 1;
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__extendPseudo_closure2.prototype = {
  	    call$1(complex) {
  	      var innerPseudo, innerSelector,
  	        t1 = complex.get$singleCompound();
  	      if (t1 == null)
  	        innerPseudo = null;
  	      else {
  	        t1 = t1.components;
  	        innerPseudo = t1.length === 1 ? B.JSArray_methods.get$first(t1) : null;
  	      }
  	      if (!(innerPseudo instanceof A.PseudoSelector))
  	        return A._setArrayType([complex], type$.JSArray_ComplexSelector);
  	      innerSelector = innerPseudo.selector;
  	      if (innerSelector == null)
  	        return A._setArrayType([complex], type$.JSArray_ComplexSelector);
  	      t1 = this.pseudo;
  	      switch (t1.normalizedName) {
  	        case "not":
  	          if (!B.Set_0egh6.contains$1(0, innerPseudo.normalizedName))
  	            return A._setArrayType([], type$.JSArray_ComplexSelector);
  	          return innerSelector.components;
  	        case "is":
  	        case "matches":
  	        case "where":
  	        case "any":
  	        case "current":
  	        case "nth-child":
  	        case "nth-last-child":
  	          if (innerPseudo.name !== t1.name)
  	            return A._setArrayType([], type$.JSArray_ComplexSelector);
  	          if (innerPseudo.argument != t1.argument)
  	            return A._setArrayType([], type$.JSArray_ComplexSelector);
  	          return innerSelector.components;
  	        case "has":
  	        case "host":
  	        case "host-context":
  	        case "slotted":
  	          return A._setArrayType([complex], type$.JSArray_ComplexSelector);
  	        default:
  	          return A._setArrayType([], type$.JSArray_ComplexSelector);
  	      }
  	    },
  	    $signature: 354
  	  };
  	  A.ExtensionStore__extendPseudo_closure3.prototype = {
  	    call$1(complex) {
  	      return this.pseudo.withSelector$1(A.SelectorList$(A._setArrayType([complex], type$.JSArray_ComplexSelector), this.selector.span));
  	    },
  	    $signature: 355
  	  };
  	  A.ExtensionStore__trim_closure.prototype = {
  	    call$1(complex2) {
  	      return complex2.get$specificity() >= this._box_0.maxSpecificity && complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore__trim_closure0.prototype = {
  	    call$1(complex2) {
  	      return complex2.get$specificity() >= this._box_0.maxSpecificity && complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 21
  	  };
  	  A.ExtensionStore_clone_closure.prototype = {
  	    call$2(simple, selectors) {
  	      var t1, t2, t3, t4, t5, t6, newSelector, _0_0, _this = this,
  	        newSelectorSet = A.LinkedHashSet_LinkedHashSet$_empty(type$.ModifiableBox_SelectorList);
  	      _this.newSelectors.$indexSet(0, simple, newSelectorSet);
  	      for (t1 = selectors.get$iterator(selectors), t2 = _this.newBoxes, t3 = _this.oldToNewSelectors, t4 = _this.$this._mediaContexts, t5 = _this.newMediaContexts; t1.moveNext$0();) {
  	        t6 = t1.get$current(t1);
  	        newSelector = t2.putIfAbsent$2(t6, new A.ExtensionStore_clone__closure(t6));
  	        newSelectorSet.add$1(0, newSelector);
  	        t3.$indexSet(0, t6.value, new A.Box(newSelector, newSelector.$ti._eval$1("Box<1>")));
  	        _0_0 = t4.$index(0, t6);
  	        if (_0_0 != null)
  	          t5.$indexSet(0, newSelector, _0_0);
  	      }
  	    },
  	    $signature: 359
  	  };
  	  A.ExtensionStore_clone__closure.prototype = {
  	    call$0() {
  	      return new A.ModifiableBox(this.selector.value, type$.ModifiableBox_SelectorList);
  	    },
  	    $signature: 360
  	  };
  	  A.unifyComplex_closure.prototype = {
  	    call$1(complex) {
  	      return complex.lineBreak;
  	    },
  	    $signature: 21
  	  };
  	  A._weaveParents_closure.prototype = {
  	    call$2(group1, group2) {
  	      var t1, unified;
  	      if (B.C_ListEquality.equals$2(0, group1, group2))
  	        return group1;
  	      if (A._complexIsParentSuperselector(group1, group2))
  	        return group2;
  	      if (A._complexIsParentSuperselector(group2, group1))
  	        return group1;
  	      if (!A._mustUnify(group1, group2))
  	        return null;
  	      t1 = this.span;
  	      unified = A.unifyComplex(A._setArrayType([A.ComplexSelector$(B.List_empty0, group1, t1, false), A.ComplexSelector$(B.List_empty0, group2, t1, false)], type$.JSArray_ComplexSelector), t1);
  	      if (unified == null)
  	        t1 = null;
  	      else {
  	        t1 = A.IterableExtension_get_singleOrNull(unified);
  	        t1 = t1 == null ? null : t1.components;
  	      }
  	      return t1;
  	    },
  	    $signature: 362
  	  };
  	  A._weaveParents_closure0.prototype = {
  	    call$1(sequence) {
  	      return A._complexIsParentSuperselector(sequence.get$first(sequence), this.group);
  	    },
  	    $signature: 219
  	  };
  	  A._weaveParents_closure1.prototype = {
  	    call$1(sequence) {
  	      return sequence.get$length(0) === 0;
  	    },
  	    $signature: 219
  	  };
  	  A._weaveParents_closure2.prototype = {
  	    call$1(choice) {
  	      return J.get$isNotEmpty$asx(choice);
  	    },
  	    $signature: 364
  	  };
  	  A._mustUnify_closure.prototype = {
  	    call$1(component) {
  	      return B.JSArray_methods.any$1(component.selector.components, new A._mustUnify__closure(this.uniqueSelectors));
  	    },
  	    $signature: 54
  	  };
  	  A._mustUnify__closure.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (!(simple instanceof A.IDSelector))
  	        t1 = simple instanceof A.PseudoSelector && !simple.isClass;
  	      else
  	        t1 = true;
  	      return t1 && this.uniqueSelectors.contains$1(0, simple);
  	    },
  	    $signature: 14
  	  };
  	  A.paths_closure.prototype = {
  	    call$2(paths, choice) {
  	      var t1 = this.T;
  	      t1 = J.expand$1$1$ax(choice, new A.paths__closure(paths, t1), t1._eval$1("List<0>"));
  	      t1 = A.List_List$_of(t1, t1.$ti._eval$1("Iterable.E"));
  	      return t1;
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<List<0>>(List<List<0>>,List<0>)");
  	    }
  	  };
  	  A.paths__closure.prototype = {
  	    call$1(option) {
  	      var t1 = this.T;
  	      return J.map$1$1$ax(this.paths, new A.paths___closure(option, t1), t1._eval$1("List<0>"));
  	    },
  	    $signature() {
  	      return this.T._eval$1("Iterable<List<0>>(0)");
  	    }
  	  };
  	  A.paths___closure.prototype = {
  	    call$1(path) {
  	      var t1 = A.List_List$_of(path, this.T);
  	      t1.push(this.option);
  	      return t1;
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<0>(List<0>)");
  	    }
  	  };
  	  A.listIsSuperselector_closure.prototype = {
  	    call$1(complex1) {
  	      return B.JSArray_methods.any$1(this.list1, new A.listIsSuperselector__closure(complex1));
  	    },
  	    $signature: 21
  	  };
  	  A.listIsSuperselector__closure.prototype = {
  	    call$1(complex2) {
  	      return complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 21
  	  };
  	  A.complexIsSuperselector_closure.prototype = {
  	    call$1($parent) {
  	      return $parent.combinators.length > 1;
  	    },
  	    $signature: 54
  	  };
  	  A.complexIsSuperselector_closure0.prototype = {
  	    call$1(component) {
  	      return A._isSupercombinator(this.combinator1, A.IterableExtension_get_firstOrNull(component.combinators));
  	    },
  	    $signature: 54
  	  };
  	  A._compatibleWithPreviousCombinator_closure.prototype = {
  	    call$1(component) {
  	      var t1 = component.combinators,
  	        t2 = A.IterableExtension_get_firstOrNull(t1);
  	      if ((t2 == null ? null : t2.value) !== B.Combinator_98W) {
  	        t1 = A.IterableExtension_get_firstOrNull(t1);
  	        t1 = (t1 == null ? null : t1.value) === B.Combinator_sHB;
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 54
  	  };
  	  A.compoundIsSuperselector_closure.prototype = {
  	    call$1(simple1) {
  	      return B.JSArray_methods.any$1(this.compound2.components, simple1.get$isSuperselector());
  	    },
  	    $signature: 14
  	  };
  	  A._selectorPseudoIsSuperselector_closure.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector(this.selector1.components, selector2.components);
  	    },
  	    $signature: 77
  	  };
  	  A._selectorPseudoIsSuperselector_closure0.prototype = {
  	    call$1(complex1) {
  	      var t1, t2;
  	      if (complex1.leadingCombinators.length === 0) {
  	        t1 = A._setArrayType([], type$.JSArray_ComplexSelectorComponent);
  	        t2 = this.parents;
  	        if (t2 != null)
  	          B.JSArray_methods.addAll$1(t1, t2);
  	        t2 = this.compound2;
  	        t1.push(new A.ComplexSelectorComponent(t2, A.List_List$unmodifiable(B.List_empty0, type$.CssValue_Combinator), t2.span));
  	        t1 = A.complexIsSuperselector(complex1.components, t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 21
  	  };
  	  A._selectorPseudoIsSuperselector_closure1.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector(this.selector1.components, selector2.components);
  	    },
  	    $signature: 77
  	  };
  	  A._selectorPseudoIsSuperselector_closure2.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector(this.selector1.components, selector2.components);
  	    },
  	    $signature: 77
  	  };
  	  A._selectorPseudoIsSuperselector_closure3.prototype = {
  	    call$1(complex) {
  	      if (complex.accept$1(B._IsBogusVisitor_true))
  	        return false;
  	      return B.JSArray_methods.any$1(this.compound2.components, new A._selectorPseudoIsSuperselector__closure(complex, this.pseudo1));
  	    },
  	    $signature: 21
  	  };
  	  A._selectorPseudoIsSuperselector__closure.prototype = {
  	    call$1(simple2) {
  	      var t1, selector2, _0_4, _this = this;
  	      $label0$1: {
  	        if (simple2 instanceof A.TypeSelector) {
  	          t1 = B.JSArray_methods.any$1(B.JSArray_methods.get$last(_this.complex.components).selector.components, new A._selectorPseudoIsSuperselector___closure(simple2));
  	          break $label0$1;
  	        }
  	        if (simple2 instanceof A.IDSelector) {
  	          t1 = B.JSArray_methods.any$1(B.JSArray_methods.get$last(_this.complex.components).selector.components, new A._selectorPseudoIsSuperselector___closure0(simple2));
  	          break $label0$1;
  	        }
  	        selector2 = null;
  	        t1 = false;
  	        if (simple2 instanceof A.PseudoSelector) {
  	          _0_4 = simple2.selector;
  	          if (_0_4 != null) {
  	            selector2 = _0_4 == null ? type$.SelectorList._as(_0_4) : _0_4;
  	            t1 = simple2.name === _this.pseudo1.name;
  	          }
  	        }
  	        if (t1) {
  	          t1 = A.listIsSuperselector(selector2.components, A._setArrayType([_this.complex], type$.JSArray_ComplexSelector));
  	          break $label0$1;
  	        }
  	        t1 = false;
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    $signature: 14
  	  };
  	  A._selectorPseudoIsSuperselector___closure.prototype = {
  	    call$1(simple1) {
  	      var t1;
  	      if (simple1 instanceof A.TypeSelector) {
  	        t1 = this.simple2.name.$eq(0, simple1.name);
  	        t1 = !t1;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 14
  	  };
  	  A._selectorPseudoIsSuperselector___closure0.prototype = {
  	    call$1(simple1) {
  	      var t1;
  	      if (simple1 instanceof A.IDSelector)
  	        t1 = this.simple2.name !== simple1.name;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 14
  	  };
  	  A._selectorPseudoIsSuperselector_closure4.prototype = {
  	    call$1(selector2) {
  	      var t1 = B.C_ListEquality.equals$2(0, this.selector1.components, selector2.components);
  	      return t1;
  	    },
  	    $signature: 77
  	  };
  	  A._selectorPseudoIsSuperselector_closure5.prototype = {
  	    call$1(pseudo2) {
  	      var t1, selector2;
  	      if (!(pseudo2 instanceof A.PseudoSelector))
  	        return false;
  	      t1 = this.pseudo1;
  	      if (pseudo2.name !== t1.name)
  	        return false;
  	      if (pseudo2.argument != t1.argument)
  	        return false;
  	      selector2 = pseudo2.selector;
  	      if (selector2 == null)
  	        return false;
  	      return A.listIsSuperselector(this.selector1.components, selector2.components);
  	    },
  	    $signature: 14
  	  };
  	  A._selectorPseudoArgs_closure.prototype = {
  	    call$1(pseudo) {
  	      return pseudo.isClass === this.isClass && pseudo.name === this.name;
  	    },
  	    $signature: 375
  	  };
  	  A._selectorPseudoArgs_closure0.prototype = {
  	    call$1(pseudo) {
  	      return pseudo.selector;
  	    },
  	    $signature: 376
  	  };
  	  A.MergedExtension.prototype = {
  	    unmerge$0() {
  	      return new A._SyncStarIterable(this.unmerge$body$MergedExtension(), type$._SyncStarIterable_Extension);
  	    },
  	    unmerge$body$MergedExtension() {
  	      var $async$self = this;
  	      return function() {
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], right, left;
  	        return function $async$unmerge$0($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                left = $async$self.left;
  	                $async$goto = left instanceof A.MergedExtension ? 2 : 4;
  	                break;
  	              case 2:
  	                // then
  	                $async$goto = 5;
  	                return $async$iterator._yieldStar$1(left.unmerge$0());
  	              case 5:
  	                // after yield
  	                // goto join
  	                $async$goto = 3;
  	                break;
  	              case 4:
  	                // else
  	                $async$goto = 6;
  	                return $async$iterator._async$_current = left, 1;
  	              case 6:
  	                // after yield
  	              case 3:
  	                // join
  	                right = $async$self.right;
  	                $async$goto = right instanceof A.MergedExtension ? 7 : 9;
  	                break;
  	              case 7:
  	                // then
  	                $async$goto = 10;
  	                return $async$iterator._yieldStar$1(right.unmerge$0());
  	              case 10:
  	                // after yield
  	                // goto join
  	                $async$goto = 8;
  	                break;
  	              case 9:
  	                // else
  	                $async$goto = 11;
  	                return $async$iterator._async$_current = right, 1;
  	              case 11:
  	                // after yield
  	              case 8:
  	                // join
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    }
  	  };
  	  A.ExtendMode.prototype = {
  	    _enumToString$0() {
  	      return "ExtendMode." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.globalFunctions_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).get$isTruthy() ? t1.$index($arguments, 1) : t1.$index($arguments, 2);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure0.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "red"));
  	    },
  	    $signature: 66
  	  };
  	  A.global_closure1.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "green"));
  	    },
  	    $signature: 66
  	  };
  	  A.global_closure2.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "blue"));
  	    },
  	    $signature: 66
  	  };
  	  A.global_closure3.prototype = {
  	    call$1($arguments) {
  	      return A._rgb("rgb", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure4.prototype = {
  	    call$1($arguments) {
  	      return A._rgb("rgb", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure5.prototype = {
  	    call$1($arguments) {
  	      return A._rgbTwoArg("rgb", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure6.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("rgb", J.$index$asx($arguments, 0), "channels", B.RgbColorSpace_i0P);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure7.prototype = {
  	    call$1($arguments) {
  	      return A._rgb("rgba", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure8.prototype = {
  	    call$1($arguments) {
  	      return A._rgb("rgba", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure9.prototype = {
  	    call$1($arguments) {
  	      return A._rgbTwoArg("rgba", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure10.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("rgba", J.$index$asx($arguments, 0), "channels", B.RgbColorSpace_i0P);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure11.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (!(t1.$index($arguments, 0) instanceof A.SassNumber) && !t1.$index($arguments, 0).get$isSpecialNumber())
  	        A.warnForDeprecation(string$.Globalci, B.Deprecation_WW3);
  	      return A._invert($arguments, true);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure12.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "hue");
  	    },
  	    $signature: 45
  	  };
  	  A.global_closure13.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "saturation");
  	    },
  	    $signature: 45
  	  };
  	  A.global_closure14.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "lightness");
  	    },
  	    $signature: 45
  	  };
  	  A.global_closure15.prototype = {
  	    call$1($arguments) {
  	      return A._hsl("hsl", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure16.prototype = {
  	    call$1($arguments) {
  	      return A._hsl("hsl", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure17.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).get$isSpecialVariable() || t1.$index($arguments, 1).get$isSpecialVariable())
  	        return A._functionString("hsl", $arguments);
  	      else
  	        throw A.wrapException(A.SassScriptException$("Missing argument $lightness.", null));
  	    },
  	    $signature: 19
  	  };
  	  A.global_closure18.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("hsl", J.$index$asx($arguments, 0), "channels", B.HslColorSpace_JQ2);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure19.prototype = {
  	    call$1($arguments) {
  	      return A._hsl("hsla", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure20.prototype = {
  	    call$1($arguments) {
  	      return A._hsl("hsla", $arguments);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure21.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).get$isSpecialVariable() || t1.$index($arguments, 1).get$isSpecialVariable())
  	        return A._functionString("hsla", $arguments);
  	      else
  	        throw A.wrapException(A.SassScriptException$("Missing argument $lightness.", null));
  	    },
  	    $signature: 19
  	  };
  	  A.global_closure22.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("hsla", J.$index$asx($arguments, 0), "channels", B.HslColorSpace_JQ2);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure23.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString("grayscale", $arguments);
  	      else {
  	        A.warnForDeprecation(string$.Globalcg, B.Deprecation_WW3);
  	        return A._grayscale(t1.$index($arguments, 0));
  	      }
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure24.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        degrees = A._angleValue(t1.$index($arguments, 1), "degrees");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.adjusto, null));
  	      A.warnForDeprecation(string$.adjustd + A.serializeValue(A.SassNumber_SassNumber(degrees, "deg"), false, true) + string$.x29x0a_Mor_, B.Deprecation_zUK);
  	      return color.changeHsl$1$hue(color._legacyChannel$2(B.HslColorSpace_JQ2, "hue") + degrees);
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure25.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s9_ = "lightness",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.lighte, null));
  	      t1 = color._legacyChannel$2(B.HslColorSpace_JQ2, _s9_) + amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$lightness(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation("lighten() is deprecated. " + A._suggestScaleAndAdjust(color, amount._number$_value, _s9_) + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure26.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s9_ = "lightness",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.darken, null));
  	      t1 = color._legacyChannel$2(B.HslColorSpace_JQ2, _s9_) - amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$lightness(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation("darken() is deprecated. " + A._suggestScaleAndAdjust(color, -amount._number$_value, _s9_) + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure27.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString("saturate", $arguments);
  	      return new A.SassString("saturate(" + A.serializeValue(t1.$index($arguments, 0).assertNumber$1("amount"), false, true) + ")", false);
  	    },
  	    $signature: 19
  	  };
  	  A.global_closure28.prototype = {
  	    call$1($arguments) {
  	      var t1, color, amount, result,
  	        _s10_ = "saturation";
  	      A.warnForDeprecation(string$.Globalcad, B.Deprecation_WW3);
  	      t1 = J.getInterceptor$asx($arguments);
  	      color = t1.$index($arguments, 0).assertColor$1("color");
  	      amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.satura, null));
  	      t1 = color._legacyChannel$2(B.HslColorSpace_JQ2, _s10_) + amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$saturation(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation("saturate() is deprecated. " + A._suggestScaleAndAdjust(color, amount._number$_value, _s10_) + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure29.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s10_ = "saturation",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.desatu, null));
  	      t1 = color._legacyChannel$2(B.HslColorSpace_JQ2, _s10_) - amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$saturation(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation("desaturate() is deprecated. " + A._suggestScaleAndAdjust(color, -amount._number$_value, _s10_) + string$.x0a_Morex3ac, B.Deprecation_zUK);
  	      return result;
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure30.prototype = {
  	    call$1($arguments) {
  	      return A._opacify("opacify", $arguments);
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure31.prototype = {
  	    call$1($arguments) {
  	      return A._opacify("fade-in", $arguments);
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure32.prototype = {
  	    call$1($arguments) {
  	      return A._transparentize("transparentize", $arguments);
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure33.prototype = {
  	    call$1($arguments) {
  	      return A._transparentize("fade-out", $arguments);
  	    },
  	    $signature: 23
  	  };
  	  A.global_closure34.prototype = {
  	    call$1($arguments) {
  	      var _0_0 = J.$index$asx($arguments, 0),
  	        t1 = false;
  	      if (_0_0 instanceof A.SassString)
  	        if (!_0_0._hasQuotes)
  	          t1 = B.JSString_methods.contains$1(_0_0._string$_text, $.$get$_microsoftFilterStart());
  	      if (t1)
  	        return A._functionString("alpha", $arguments);
  	      if (_0_0 instanceof A.SassColor && !_0_0._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.alpha_, null));
  	      A.warnForDeprecation(string$.Globalcal, B.Deprecation_WW3);
  	      t1 = _0_0.assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure35.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        argList = J.$index$asx($arguments, 0).get$asList();
  	      if (argList.length !== 0 && B.JSArray_methods.every$1(argList, new A.global__closure()))
  	        return A._functionString("alpha", $arguments);
  	      t1 = argList.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.SassScriptException$("Missing argument $color.", null));
  	      else
  	        throw A.wrapException(A.SassScriptException$("Only 1 argument allowed, but " + t1 + " were passed.", null));
  	    },
  	    $signature: 19
  	  };
  	  A.global__closure.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.SassString && !argument._hasQuotes && B.JSString_methods.contains$1(argument._string$_text, $.$get$_microsoftFilterStart());
  	    },
  	    $signature: 79
  	  };
  	  A.global_closure36.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString("opacity", $arguments);
  	      A.warnForDeprecation(string$.Globalco, B.Deprecation_WW3);
  	      t1 = t1.$index($arguments, 0).assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure37.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("color", J.$index$asx($arguments, 0), "description", null);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure38.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("hwb", J.$index$asx($arguments, 0), "channels", B.HwbColorSpace_guQ);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure39.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("lab", J.$index$asx($arguments, 0), "channels", B.LabColorSpace_2nT);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure40.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("lch", J.$index$asx($arguments, 0), "channels", B.LchColorSpace_Bpv);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure41.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("oklab", J.$index$asx($arguments, 0), "channels", B.OklabColorSpace_540);
  	    },
  	    $signature: 5
  	  };
  	  A.global_closure42.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("oklch", J.$index$asx($arguments, 0), "channels", B.OklchColorSpace_9Gj);
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure1.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "red"));
  	    },
  	    $signature: 66
  	  };
  	  A.module_closure2.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "green"));
  	    },
  	    $signature: 66
  	  };
  	  A.module_closure3.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._legacyChannel$2(B.RgbColorSpace_i0P, "blue"));
  	    },
  	    $signature: 66
  	  };
  	  A.module_closure4.prototype = {
  	    call$1($arguments) {
  	      var result = A._invert($arguments, false);
  	      if (result instanceof A.SassString)
  	        A.warnForDeprecation("Passing a number (" + J.$index$asx($arguments, 0).toString$0(0) + string$.x29x20to_cli + result.toString$0(0), B.Deprecation_7Bn);
  	      return result;
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure5.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "hue");
  	    },
  	    $signature: 45
  	  };
  	  A.module_closure6.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "saturation");
  	    },
  	    $signature: 45
  	  };
  	  A.module_closure7.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HslColorSpace_JQ2, "lightness");
  	    },
  	    $signature: 45
  	  };
  	  A.module_closure8.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber) {
  	        result = A._functionString("grayscale", t1.take$1($arguments, 1));
  	        A.warnForDeprecation("Passing a number (" + t1.$index($arguments, 0).toString$0(0) + string$.x29x20to_clg + result.toString$0(0), B.Deprecation_7Bn);
  	        return result;
  	      }
  	      return A._grayscale(t1.$index($arguments, 0));
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure9.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        t2 = type$.JSArray_Value;
  	      return A._parseChannels("hwb", A.SassList$(A._setArrayType([A.SassList$(A._setArrayType([t1.$index($arguments, 0), t1.$index($arguments, 1), t1.$index($arguments, 2)], t2), B.ListSeparator_SrV, false), t1.$index($arguments, 3)], t2), B.ListSeparator_Lul, false), null, B.HwbColorSpace_guQ);
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure10.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels("hwb", J.$index$asx($arguments, 0), "channels", B.HwbColorSpace_guQ);
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure11.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HwbColorSpace_guQ, "whiteness");
  	    },
  	    $signature: 45
  	  };
  	  A.module_closure12.prototype = {
  	    call$1(color) {
  	      return color._legacyChannel$2(B.HwbColorSpace_guQ, "blackness");
  	    },
  	    $signature: 45
  	  };
  	  A.module_closure13.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _0_0 = J.$index$asx($arguments, 0),
  	        t1 = false;
  	      if (_0_0 instanceof A.SassString)
  	        if (!_0_0._hasQuotes)
  	          t1 = B.JSString_methods.contains$1(_0_0._string$_text, $.$get$_microsoftFilterStart());
  	      if (t1) {
  	        result = A._functionString("alpha", $arguments);
  	        A.warnForDeprecation(string$.Using_c + result.toString$0(0), B.Deprecation_7Bn);
  	        return result;
  	      }
  	      if (_0_0 instanceof A.SassColor && !_0_0._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.color_a, null));
  	      t1 = _0_0.assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure14.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (B.JSArray_methods.every$1(t1.$index($arguments, 0).get$asList(), new A.module__closure2())) {
  	        result = A._functionString("alpha", $arguments);
  	        A.warnForDeprecation(string$.Using_c + result.toString$0(0), B.Deprecation_7Bn);
  	        return result;
  	      }
  	      throw A.wrapException(A.SassScriptException$("Only 1 argument allowed, but " + t1.get$length($arguments) + " were passed.", null));
  	    },
  	    $signature: 19
  	  };
  	  A.module__closure2.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.SassString && !argument._hasQuotes && B.JSString_methods.contains$1(argument._string$_text, $.$get$_microsoftFilterStart());
  	    },
  	    $signature: 79
  	  };
  	  A.module_closure15.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber) {
  	        result = A._functionString("opacity", $arguments);
  	        A.warnForDeprecation("Passing a number (" + t1.$index($arguments, 0).toString$0(0) + string$.x20to_co + result.toString$0(0), B.Deprecation_7Bn);
  	        return result;
  	      }
  	      t1 = t1.$index($arguments, 0).assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 5
  	  };
  	  A.module_closure16.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString(J.get$first$ax($arguments).assertColor$1("color")._space.name, false);
  	    },
  	    $signature: 19
  	  };
  	  A.module_closure17.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace(t1.$index($arguments, 0), t1.$index($arguments, 1), false);
  	    },
  	    $signature: 23
  	  };
  	  A.module_closure18.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).assertColor$1("color")._space.get$isLegacyInternal() ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A.module_closure19.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).assertColor$1("color").isChannelMissing$3$channelName$colorName(A._channelName(t1.$index($arguments, 1)), "channel", "color") ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A.module_closure20.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace(t1.$index($arguments, 0), t1.$index($arguments, 1), true).get$isInGamut() ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A.module_closure21.prototype = {
  	    call$1($arguments) {
  	      var space, method, _s5_ = "space", _s6_ = "method",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        t2 = t1.$index($arguments, 1);
  	      if (t2.$eq(0, B.C__SassNull))
  	        space = color._space;
  	      else {
  	        t2 = t2.assertString$1(_s5_);
  	        t2.assertUnquoted$1(_s5_);
  	        space = A.ColorSpace_fromName(t2._string$_text, _s5_);
  	      }
  	      if (t1.$index($arguments, 2).$eq(0, B.C__SassNull))
  	        throw A.wrapException(A.SassScriptException$(string$.color_t, _s6_));
  	      t1 = t1.$index($arguments, 2).assertString$1(_s6_);
  	      t1.assertUnquoted$1(_s6_);
  	      method = A.GamutMapMethod_GamutMapMethod$fromName(t1._string$_text);
  	      if (!space.get$isBoundedInternal())
  	        return color;
  	      t1 = color.toSpace$1(space);
  	      t1 = t1.get$isInGamut() ? t1 : method.map$1(0, t1);
  	      return t1.toSpace$2$legacyMissing(color._space, false);
  	    },
  	    $signature: 23
  	  };
  	  A.module_closure22.prototype = {
  	    call$1($arguments) {
  	      var channelIndex, channelInfo, channelValue, unit,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = A._colorInSpace(t1.$index($arguments, 0), t1.$index($arguments, 2), true),
  	        channelName = A._channelName(t1.$index($arguments, 1));
  	      if (channelName === "alpha") {
  	        t1 = color.alphaOrNull;
  	        return A.SassNumber_SassNumber(t1 == null ? 0 : t1, null);
  	      }
  	      t1 = color._space._channels;
  	      channelIndex = B.JSArray_methods.indexWhere$1(t1, new A.module__closure1(channelName));
  	      if (channelIndex === -1)
  	        throw A.wrapException(A.SassScriptException$("Color " + color.toString$0(0) + " has no channel named " + channelName + ".", "channel"));
  	      channelInfo = t1[channelIndex];
  	      channelValue = color.get$channels()[channelIndex];
  	      unit = channelInfo.associatedUnit;
  	      return A.SassNumber_SassNumber(unit === "%" ? channelValue * 100 / type$.LinearChannel._as(channelInfo).max : channelValue, unit);
  	    },
  	    $signature: 24
  	  };
  	  A.module__closure1.prototype = {
  	    call$1(channel) {
  	      return channel.name === this.channelName;
  	    },
  	    $signature: 93
  	  };
  	  A.module_closure23.prototype = {
  	    call$1($arguments) {
  	      var t2, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color1 = t1.$index($arguments, 0).assertColor$1("color1"),
  	        color2 = t1.$index($arguments, 1).assertColor$1("color2");
  	      t1 = new A.module_closure_toXyzNoMissing();
  	      if (color1._space === color2._space) {
  	        t1 = color1.channel0OrNull;
  	        t2 = false;
  	        if (t1 == null)
  	          t1 = 0;
  	        t3 = color2.channel0OrNull;
  	        if (A.fuzzyEquals(t1, t3 == null ? 0 : t3)) {
  	          t1 = color1.channel1OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          t3 = color2.channel1OrNull;
  	          if (A.fuzzyEquals(t1, t3 == null ? 0 : t3)) {
  	            t1 = color1.channel2OrNull;
  	            if (t1 == null)
  	              t1 = 0;
  	            t3 = color2.channel2OrNull;
  	            if (A.fuzzyEquals(t1, t3 == null ? 0 : t3)) {
  	              t1 = color1.alphaOrNull;
  	              if (t1 == null)
  	                t1 = 0;
  	              t2 = color2.alphaOrNull;
  	              t1 = A.fuzzyEquals(t1, t2 == null ? 0 : t2);
  	            } else
  	              t1 = t2;
  	          } else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	      } else
  	        t1 = J.$eq$(t1.call$1(color1), t1.call$1(color2));
  	      return t1 ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A.module_closure_toXyzNoMissing.prototype = {
  	    call$1(color) {
  	      var _1_1, _1_3, t1, _1_7, channel0, _1_8, channel1, _1_9, channel2, _1_10, alpha, _null = null;
  	      $label0$0: {
  	        _1_1 = color._space;
  	        _1_3 = B.XyzD65ColorSpace_WiJ === _1_1;
  	        t1 = _1_3;
  	        if (t1)
  	          t1 = !(color.channel0OrNull == null || color.channel1OrNull == null || color.channel2OrNull == null || color.alphaOrNull == null);
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = color;
  	          break $label0$0;
  	        }
  	        if (_1_3) {
  	          _1_7 = color.channel0OrNull;
  	          if (_1_7 == null)
  	            _1_7 = 0;
  	          channel0 = _1_7;
  	          _1_8 = color.channel1OrNull;
  	          if (_1_8 == null)
  	            _1_8 = 0;
  	          channel1 = _1_8;
  	          _1_9 = color.channel2OrNull;
  	          if (_1_9 == null)
  	            _1_9 = 0;
  	          channel2 = _1_9;
  	          _1_10 = color.alphaOrNull;
  	          if (_1_10 == null)
  	            _1_10 = 0;
  	          alpha = _1_10;
  	          t1 = A.SassColor$_forSpace(B.XyzD65ColorSpace_WiJ, channel0, channel1, channel2, alpha, _null);
  	          break $label0$0;
  	        }
  	        _1_7 = color.channel0OrNull;
  	        if (_1_7 == null)
  	          _1_7 = 0;
  	        channel0 = _1_7;
  	        _1_8 = color.channel1OrNull;
  	        if (_1_8 == null)
  	          _1_8 = 0;
  	        channel1 = _1_8;
  	        _1_9 = color.channel2OrNull;
  	        if (_1_9 == null)
  	          _1_9 = 0;
  	        channel2 = _1_9;
  	        _1_10 = color.alphaOrNull;
  	        if (_1_10 == null)
  	          _1_10 = 0;
  	        alpha = _1_10;
  	        t1 = _1_1.convert$5(B.XyzD65ColorSpace_WiJ, channel0, channel1, channel2, alpha);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 421
  	  };
  	  A.module_closure24.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace(t1.$index($arguments, 0), t1.$index($arguments, 2), true).isChannelPowerless$3$channelName$colorName(A._channelName(t1.$index($arguments, 1)), "channel", "color") ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._mix_closure.prototype = {
  	    call$1($arguments) {
  	      var _s6_ = "weight",
  	        _s41_ = string$.To_usem,
  	        _s29_ = ", you must provide a $method.",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color1 = t1.$index($arguments, 0).assertColor$1("color1"),
  	        color2 = t1.$index($arguments, 1).assertColor$1("color2"),
  	        weight = t1.$index($arguments, 2).assertNumber$1(_s6_);
  	      if (!t1.$index($arguments, 3).$eq(0, B.C__SassNull))
  	        return color1.interpolate$4$legacyMissing$weight(color2, A.InterpolationMethod_InterpolationMethod$fromValue(t1.$index($arguments, 3), "method"), false, weight.valueInRangeWithUnit$4(0, 100, _s6_, "%") / 100);
  	      A._checkPercent(weight, _s6_);
  	      if (!color1._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(_s41_ + color1.toString$0(0) + _s29_, "color1"));
  	      else if (!color2._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(_s41_ + color2.toString$0(0) + _s29_, "color2"));
  	      return A._mixLegacy(color1, color2, weight);
  	    },
  	    $signature: 23
  	  };
  	  A._complement_closure.prototype = {
  	    call$1($arguments) {
  	      var space, t3, colorInSpace, t4, t5, t6, _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        t2 = color._space;
  	      if (t2.get$isLegacyInternal() && t1.$index($arguments, 1).$eq(0, B.C__SassNull))
  	        space = B.HslColorSpace_JQ2;
  	      else {
  	        t3 = t1.$index($arguments, 1).assertString$1(_s5_);
  	        t3.assertUnquoted$1(_s5_);
  	        space = A.ColorSpace_fromName(t3._string$_text, _s5_);
  	      }
  	      if (!space.get$isPolarInternal())
  	        throw A.wrapException(A.SassScriptException$("Color space " + space.toString$0(0) + " doesn't have a hue channel.", _s5_));
  	      colorInSpace = color.toSpace$2$legacyMissing(space, !t1.$index($arguments, 1).$eq(0, B.C__SassNull));
  	      t1 = space._channels;
  	      t3 = colorInSpace.channel0OrNull;
  	      t4 = colorInSpace.channel1OrNull;
  	      t5 = colorInSpace.channel2OrNull;
  	      t6 = colorInSpace.alphaOrNull;
  	      return (space.get$isLegacyInternal() ? A.SassColor_SassColor$forSpaceInternal(space, A._adjustChannel(colorInSpace, t1[0], t3, A.SassNumber_SassNumber(180, null)), t4, t5, t6) : A.SassColor_SassColor$forSpaceInternal(space, t3, t4, A._adjustChannel(colorInSpace, t1[2], t5, A.SassNumber_SassNumber(180, null)), t6)).toSpace$2$legacyMissing(t2, false);
  	    },
  	    $signature: 23
  	  };
  	  A._adjust_closure.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents($arguments, true, false, false);
  	    },
  	    $signature: 23
  	  };
  	  A._scale_closure.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents($arguments, false, false, true);
  	    },
  	    $signature: 23
  	  };
  	  A._change_closure.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents($arguments, false, true, false);
  	    },
  	    $signature: 23
  	  };
  	  A._ieHexStr_closure.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, t3, t4, t5,
  	        color = J.$index$asx($arguments, 0).assertColor$1("color").toSpace$1(B.RgbColorSpace_i0P);
  	      color = color.get$isInGamut() ? color : B.LocalMindeGamutMap_A2x.map$1(0, color);
  	      t1 = new A._ieHexStr_closure_hexString();
  	      t2 = color.alphaOrNull;
  	      t2 = A.S(t1.call$1((t2 == null ? 0 : t2) * 255));
  	      t3 = color.channel0OrNull;
  	      t3 = A.S(t1.call$1(t3 == null ? 0 : t3));
  	      t4 = color.channel1OrNull;
  	      t4 = A.S(t1.call$1(t4 == null ? 0 : t4));
  	      t5 = color.channel2OrNull;
  	      return new A.SassString("#" + t2 + t3 + t4 + A.S(t1.call$1(t5 == null ? 0 : t5)), false);
  	    },
  	    $signature: 19
  	  };
  	  A._ieHexStr_closure_hexString.prototype = {
  	    call$1(component) {
  	      return B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(A.fuzzyRound(component), 16), 2, "0").toUpperCase();
  	    },
  	    $signature: 275
  	  };
  	  A._updateComponents_closure.prototype = {
  	    call$1(space) {
  	      return this.originalColor.toSpace$2$legacyMissing(space, false);
  	    },
  	    $signature: 428
  	  };
  	  A._updateComponents_closure0.prototype = {
  	    call$1(info) {
  	      return this._box_0.name === info.name;
  	    },
  	    $signature: 93
  	  };
  	  A._changeColor_closure.prototype = {
  	    call$0() {
  	      var t1 = this.alphaArg;
  	      A.warnForDeprecation("$alpha: Passing a unit other than % (" + t1.toString$0(0) + string$.x29x20is_d_ + t1.unitSuggestion$1("alpha") + string$.x0a_See_, B.Deprecation_7TE);
  	      return t1.valueInRange$3(0, 1, "alpha");
  	    },
  	    $signature: 240
  	  };
  	  A._adjustColor_closure.prototype = {
  	    call$1(alpha) {
  	      return isNaN(alpha) ? 0 : B.JSNumber_methods.clamp$2(alpha, 0, 1);
  	    },
  	    $signature: 12
  	  };
  	  A._functionString_closure.prototype = {
  	    call$1(argument) {
  	      return A.serializeValue(argument, false, true);
  	    },
  	    $signature: 458
  	  };
  	  A._removedColorFunction_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.name,
  	        t2 = J.getInterceptor$asx($arguments),
  	        t3 = t2.$index($arguments, 0).toString$0(0),
  	        t4 = this.negative ? "-" : "";
  	      throw A.wrapException(A.SassScriptException$("The function " + t1 + string$.x28__isn + t3 + ", $" + this.argument + ": " + t4 + t2.$index($arguments, 1).toString$0(0) + string$.x29x0a_Moro + t1, null));
  	    },
  	    $signature: 463
  	  };
  	  A._rgb_closure.prototype = {
  	    call$1(alpha) {
  	      var t1 = A._percentageOrUnitless(alpha.assertNumber$1("alpha"), 1, "alpha");
  	      return isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1);
  	    },
  	    $signature: 245
  	  };
  	  A._hsl_closure.prototype = {
  	    call$1(alpha) {
  	      var t1 = A._percentageOrUnitless(alpha.assertNumber$1("alpha"), 1, "alpha");
  	      return isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1);
  	    },
  	    $signature: 245
  	  };
  	  A._parseChannels_closure.prototype = {
  	    call$1($name) {
  	      return $name + " channel";
  	    },
  	    $signature: 6
  	  };
  	  A._parseChannels_closure0.prototype = {
  	    call$1(channel) {
  	      return channel.get$isSpecialNumber();
  	    },
  	    $signature: 79
  	  };
  	  A._colorFromChannels_closure.prototype = {
  	    call$1(channel0) {
  	      return A._angleValue(channel0, "hue");
  	    },
  	    $signature: 129
  	  };
  	  A._colorFromChannels_closure0.prototype = {
  	    call$1(channel0) {
  	      return A._angleValue(channel0, "hue");
  	    },
  	    $signature: 129
  	  };
  	  A._channelFromValue_closure.prototype = {
  	    call$1(value) {
  	      var t1, _0_8, t2, _0_5, _0_8_isSet, upperClamped, t3,
  	        _0_0 = this.channel;
  	      $label0$0: {
  	        t1 = _0_0 instanceof A.LinearChannel;
  	        if (t1 && _0_0.requiresPercent && !value.hasUnit$1("%"))
  	          A.throwExpression(A.SassScriptException$("Expected " + value.toString$0(0) + ' to have unit "%".', _0_0.name));
  	        _0_8 = null;
  	        t2 = false;
  	        if (t1) {
  	          _0_5 = _0_0.lowerClamped;
  	          _0_8_isSet = !_0_5;
  	          if (_0_8_isSet) {
  	            _0_8 = _0_0.upperClamped;
  	            t2 = !_0_8;
  	          }
  	        } else {
  	          _0_5 = null;
  	          _0_8_isSet = false;
  	        }
  	        if (t2) {
  	          t1 = A._percentageOrUnitless(value, _0_0.max, _0_0.name);
  	          break $label0$0;
  	        }
  	        if (t1 && !this.clamp) {
  	          t1 = A._percentageOrUnitless(value, _0_0.max, _0_0.name);
  	          break $label0$0;
  	        }
  	        if (t1) {
  	          upperClamped = _0_8_isSet ? _0_8 : _0_0.upperClamped;
  	          t1 = _0_0.max;
  	          t2 = A._percentageOrUnitless(value, t1, _0_0.name);
  	          t3 = _0_5 ? _0_0.min : -1 / 0;
  	          t1 = upperClamped ? t1 : 1 / 0;
  	          t1 = isNaN(t2) ? t3 : B.JSNumber_methods.clamp$2(t2, t3, t1);
  	          break $label0$0;
  	        }
  	        t1 = B.JSNumber_methods.$mod(value.coerceValueToUnit$2("deg", _0_0.name), 360);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 129
  	  };
  	  A._channelFunction_closure.prototype = {
  	    call$1($arguments) {
  	      var _this = this,
  	        result = A.SassNumber_SassNumber(_this.getter.call$1(J.get$first$ax($arguments).assertColor$1("color")), _this.unit),
  	        t1 = _this.global ? "" : "color.",
  	        t2 = _this.name;
  	      A.warnForDeprecation(t1 + t2 + string$.x28__is_d + t2 + '", $space: ' + _this.space.toString$0(0) + string$.x29x0a_Mor_, B.Deprecation_zUK);
  	      return result;
  	    },
  	    $signature: 24
  	  };
  	  A._suggestScaleAndAdjust_closure.prototype = {
  	    call$1(channel) {
  	      return channel.name === this.channelName;
  	    },
  	    $signature: 93
  	  };
  	  A._length_closure0.prototype = {
  	    call$1($arguments) {
  	      return A.SassNumber_SassNumber(J.$index$asx($arguments, 0).get$asList().length, null);
  	    },
  	    $signature: 24
  	  };
  	  A._nth_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        index = t1.$index($arguments, 1);
  	      return list.get$asList()[list.sassIndexToListIndex$2(index, "n")];
  	    },
  	    $signature: 5
  	  };
  	  A._setNth_closure.prototype = {
  	    call$1($arguments) {
  	      var newList,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        index = t1.$index($arguments, 1),
  	        value = t1.$index($arguments, 2);
  	      t1 = list.get$asList();
  	      newList = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      newList[list.sassIndexToListIndex$2(index, "n")] = value;
  	      return list.withListContents$1(newList);
  	    },
  	    $signature: 28
  	  };
  	  A._join_closure.prototype = {
  	    call$1($arguments) {
  	      var _0_1, _0_4, _0_3, t2, _0_40, _0_4_isSet, separator, bracketed, _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list1 = t1.$index($arguments, 0),
  	        list2 = t1.$index($arguments, 1),
  	        separatorParam = t1.$index($arguments, 2).assertString$1("separator"),
  	        bracketedParam = t1.$index($arguments, 3),
  	        _1_0 = separatorParam._string$_text;
  	      $label1$1: {
  	        if ("auto" === _1_0) {
  	          _0_1 = list1.get$separator(list1);
  	          _0_4 = list2.get$separator(list2);
  	          $label0$0: {
  	            t1 = _null;
  	            _0_3 = B.ListSeparator_undecided_null_3_undecided === _0_1;
  	            t2 = _0_3;
  	            if (t2) {
  	              t2 = B.ListSeparator_undecided_null_3_undecided === _0_4;
  	              _0_40 = _0_4;
  	              _0_4_isSet = true;
  	            } else {
  	              _0_40 = _null;
  	              _0_4_isSet = false;
  	              t2 = false;
  	            }
  	            if (t2) {
  	              t1 = B.ListSeparator_SrV;
  	              break $label0$0;
  	            }
  	            if (_0_3) {
  	              separator = _0_4_isSet ? _0_40 : _0_4;
  	              t2 = true;
  	            } else {
  	              separator = t1;
  	              t2 = false;
  	            }
  	            if (!t2)
  	              separator = _0_1;
  	            t1 = separator;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        if ("space" === _1_0) {
  	          t1 = B.ListSeparator_SrV;
  	          break $label1$1;
  	        }
  	        if ("comma" === _1_0) {
  	          t1 = B.ListSeparator_z0K;
  	          break $label1$1;
  	        }
  	        if ("slash" === _1_0) {
  	          t1 = B.ListSeparator_Lul;
  	          break $label1$1;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$(string$.x24separ, _null));
  	      }
  	      bracketed = bracketedParam instanceof A.SassString && bracketedParam._string$_text === "auto" ? list1.get$hasBrackets() : bracketedParam.get$isTruthy();
  	      t2 = A.List_List$_of(list1.get$asList(), type$.Value);
  	      B.JSArray_methods.addAll$1(t2, list2.get$asList());
  	      return A.SassList$(t2, t1, bracketed);
  	    },
  	    $signature: 28
  	  };
  	  A._append_closure0.prototype = {
  	    call$1($arguments) {
  	      var t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        value = t1.$index($arguments, 1),
  	        _0_0 = t1.$index($arguments, 2).assertString$1("separator")._string$_text;
  	      $label0$0: {
  	        if ("auto" === _0_0) {
  	          t1 = list.get$separator(list) === B.ListSeparator_undecided_null_3_undecided ? B.ListSeparator_SrV : list.get$separator(list);
  	          break $label0$0;
  	        }
  	        if ("space" === _0_0) {
  	          t1 = B.ListSeparator_SrV;
  	          break $label0$0;
  	        }
  	        if ("comma" === _0_0) {
  	          t1 = B.ListSeparator_z0K;
  	          break $label0$0;
  	        }
  	        if ("slash" === _0_0) {
  	          t1 = B.ListSeparator_Lul;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$(string$.x24separ, null));
  	      }
  	      t2 = A.List_List$_of(list.get$asList(), type$.Value);
  	      t2.push(value);
  	      return list.withListContents$2$separator(t2, t1);
  	    },
  	    $signature: 28
  	  };
  	  A._zip_closure.prototype = {
  	    call$1($arguments) {
  	      var results, result, _box_0 = {},
  	        t1 = J.$index$asx($arguments, 0).get$asList(),
  	        t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,List<Value>>"),
  	        lists = A.List_List$_of(new A.MappedListIterable(t1, new A._zip__closure(), t2), t2._eval$1("ListIterable.E"));
  	      if (lists.length === 0)
  	        return B.SassList_oH0;
  	      _box_0.i = 0;
  	      results = A._setArrayType([], type$.JSArray_SassList);
  	      for (t1 = A._arrayInstanceType(lists)._eval$1("MappedListIterable<1,Value>"), t2 = type$.Value; B.JSArray_methods.every$1(lists, new A._zip__closure0(_box_0));) {
  	        result = A.List_List$from(new A.MappedListIterable(lists, new A._zip__closure1(_box_0), t1), false, t2);
  	        result.$flags = 3;
  	        results.push(new A.SassList(result, B.ListSeparator_SrV, false));
  	        ++_box_0.i;
  	      }
  	      return A.SassList$(results, B.ListSeparator_z0K, false);
  	    },
  	    $signature: 28
  	  };
  	  A._zip__closure.prototype = {
  	    call$1(list) {
  	      return list.get$asList();
  	    },
  	    $signature: 509
  	  };
  	  A._zip__closure0.prototype = {
  	    call$1(list) {
  	      return this._box_0.i !== J.get$length$asx(list);
  	    },
  	    $signature: 586
  	  };
  	  A._zip__closure1.prototype = {
  	    call$1(list) {
  	      return J.$index$asx(list, this._box_0.i);
  	    },
  	    $signature: 5
  	  };
  	  A._index_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        index = B.JSArray_methods.indexOf$1(t1.$index($arguments, 0).get$asList(), t1.$index($arguments, 1));
  	      return index === -1 ? B.C__SassNull : A.SassNumber_SassNumber(index + 1, null);
  	    },
  	    $signature: 5
  	  };
  	  A._separator_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0),
  	        _0_0 = t1.get$separator(t1);
  	      $label0$0: {
  	        if (B.ListSeparator_z0K === _0_0) {
  	          t1 = new A.SassString("comma", false);
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_Lul === _0_0) {
  	          t1 = new A.SassString("slash", false);
  	          break $label0$0;
  	        }
  	        t1 = new A.SassString("space", false);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 19
  	  };
  	  A._isBracketed_closure.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).get$hasBrackets() ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._slash_closure.prototype = {
  	    call$1($arguments) {
  	      var list = J.$index$asx($arguments, 0).get$asList();
  	      if (list.length < 2)
  	        throw A.wrapException(A.SassScriptException$("At least two elements are required.", null));
  	      return A.SassList$(list, B.ListSeparator_Lul, false);
  	    },
  	    $signature: 28
  	  };
  	  A._get_closure.prototype = {
  	    call$1($arguments) {
  	      var value,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      for (t1 = A.IterableExtension_get_exceptLast(t2), t1 = t1.get$iterator(t1); t1.moveNext$0(); map = value) {
  	        value = map._map$_contents.$index(0, t1.get$current(t1));
  	        if (!(value instanceof A.SassMap))
  	          return B.C__SassNull;
  	      }
  	      t1 = map._map$_contents.$index(0, B.JSArray_methods.get$last(t2));
  	      return t1 == null ? B.C__SassNull : t1;
  	    },
  	    $signature: 5
  	  };
  	  A._set_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._modify(t1.$index($arguments, 0).assertMap$1("map"), A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value), new A._set__closure0($arguments), true);
  	    },
  	    $signature: 5
  	  };
  	  A._set__closure0.prototype = {
  	    call$1(_) {
  	      return J.$index$asx(this.$arguments, 2);
  	    },
  	    $signature: 43
  	  };
  	  A._set_closure0.prototype = {
  	    call$1($arguments) {
  	      var keys, t2, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        _0_0 = t1.$index($arguments, 1).get$asList(),
  	        _0_1 = _0_0.length;
  	      if (_0_1 <= 0)
  	        throw A.wrapException(A.SassScriptException$("Expected $args to contain a key.", null));
  	      if (_0_1 === 1)
  	        throw A.wrapException(A.SassScriptException$("Expected $args to contain a value.", null));
  	      t1 = {};
  	      keys = t1.value = null;
  	      t2 = _0_1 >= 1;
  	      if (t2) {
  	        t3 = _0_1 - 1;
  	        keys = B.JSArray_methods.sublist$2(_0_0, 0, t3);
  	        t1.value = _0_0[t3];
  	      }
  	      if (t2)
  	        return A._modify(map, keys, new A._set__closure(t1), true);
  	      throw A.wrapException("[BUG] Unreachable code");
  	    },
  	    $signature: 5
  	  };
  	  A._set__closure.prototype = {
  	    call$1(_) {
  	      return this._box_0.value;
  	    },
  	    $signature: 43
  	  };
  	  A._merge_closure.prototype = {
  	    call$1($arguments) {
  	      var t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map1 = t1.$index($arguments, 0).assertMap$1("map1"),
  	        map2 = t1.$index($arguments, 1).assertMap$1("map2");
  	      t1 = type$.Value;
  	      t2 = A.LinkedHashMap_LinkedHashMap$of(map1._map$_contents, t1, t1);
  	      t2.addAll$1(0, map2._map$_contents);
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 38
  	  };
  	  A._merge_closure0.prototype = {
  	    call$1($arguments) {
  	      var last, t2, keys, _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map1 = t1.$index($arguments, 0).assertMap$1("map1"),
  	        _0_0 = t1.$index($arguments, 1).get$asList(),
  	        _0_1 = _0_0.length;
  	      if (_0_1 <= 0)
  	        throw A.wrapException(A.SassScriptException$("Expected $args to contain a key.", _null));
  	      if (_0_1 === 1)
  	        throw A.wrapException(A.SassScriptException$("Expected $args to contain a map.", _null));
  	      t1 = _0_1 >= 1;
  	      last = _null;
  	      if (t1) {
  	        t2 = _0_1 - 1;
  	        keys = B.JSArray_methods.sublist$2(_0_0, 0, t2);
  	        last = _0_0[t2];
  	      } else
  	        keys = _null;
  	      if (t1)
  	        return A._modify(map1, keys, new A._merge__closure(last.assertMap$1("map2")), true);
  	      throw A.wrapException("[BUG] Unreachable code");
  	    },
  	    $signature: 5
  	  };
  	  A._merge__closure.prototype = {
  	    call$1(oldValue) {
  	      var t1, t2,
  	        nestedMap = oldValue.tryMap$0();
  	      if (nestedMap == null)
  	        return this.map2;
  	      t1 = type$.Value;
  	      t2 = A.LinkedHashMap_LinkedHashMap$of(nestedMap._map$_contents, t1, t1);
  	      t2.addAll$1(0, this.map2._map$_contents);
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 654
  	  };
  	  A._deepMerge_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._deepMergeImpl(t1.$index($arguments, 0).assertMap$1("map1"), t1.$index($arguments, 1).assertMap$1("map2"));
  	    },
  	    $signature: 38
  	  };
  	  A._deepRemove_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      return A._modify(map, A.IterableExtension_get_exceptLast(t2), new A._deepRemove__closure(t2), false);
  	    },
  	    $signature: 5
  	  };
  	  A._deepRemove__closure.prototype = {
  	    call$1(value) {
  	      var t1, nestedMap, t2,
  	        _0_0 = value.tryMap$0();
  	      if (_0_0 != null) {
  	        t1 = _0_0._map$_contents.containsKey$1(B.JSArray_methods.get$last(this.keys));
  	        nestedMap = _0_0;
  	      } else {
  	        nestedMap = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        t1 = type$.Value;
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(nestedMap._map$_contents, t1, t1);
  	        t2.remove$1(0, B.JSArray_methods.get$last(this.keys));
  	        return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	      }
  	      return value;
  	    },
  	    $signature: 43
  	  };
  	  A._remove_closure.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).assertMap$1("map");
  	    },
  	    $signature: 38
  	  };
  	  A._remove_closure0.prototype = {
  	    call$1($arguments) {
  	      var mutableMap, t3, _i,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      t1 = type$.Value;
  	      mutableMap = A.LinkedHashMap_LinkedHashMap$of(map._map$_contents, t1, t1);
  	      for (t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i)
  	        mutableMap.remove$1(0, t2[_i]);
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	    },
  	    $signature: 38
  	  };
  	  A._keys_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertMap$1("map")._map$_contents;
  	      return A.SassList$(t1.get$keys(t1), B.ListSeparator_z0K, false);
  	    },
  	    $signature: 28
  	  };
  	  A._values_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertMap$1("map")._map$_contents;
  	      return A.SassList$(t1.get$values(t1), B.ListSeparator_z0K, false);
  	    },
  	    $signature: 28
  	  };
  	  A._hasKey_closure.prototype = {
  	    call$1($arguments) {
  	      var value,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      for (t1 = A.IterableExtension_get_exceptLast(t2), t1 = t1.get$iterator(t1); t1.moveNext$0(); map = value) {
  	        value = map._map$_contents.$index(0, t1.get$current(t1));
  	        if (!(value instanceof A.SassMap))
  	          return B.SassBoolean_false;
  	      }
  	      return map._map$_contents.containsKey$1(B.JSArray_methods.get$last(t2)) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._modify_modifyNestedMap.prototype = {
  	    call$1(map) {
  	      var nestedMap, _this = this,
  	        t1 = type$.Value,
  	        mutableMap = A.LinkedHashMap_LinkedHashMap$of(map._map$_contents, t1, t1),
  	        t2 = _this.keyIterator,
  	        key = t2.get$current(t2);
  	      if (!t2.moveNext$0()) {
  	        t2 = mutableMap.$index(0, key);
  	        if (t2 == null)
  	          t2 = B.C__SassNull;
  	        mutableMap.$indexSet(0, key, _this.modify.call$1(t2));
  	        return new A.SassMap(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	      }
  	      t2 = mutableMap.$index(0, key);
  	      nestedMap = t2 == null ? null : t2.tryMap$0();
  	      t2 = nestedMap == null;
  	      if (t2 && !_this.addNesting)
  	        return new A.SassMap(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	      mutableMap.$indexSet(0, key, _this.call$1(t2 ? B.SassMap_Map_empty : nestedMap));
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	    },
  	    $signature: 671
  	  };
  	  A.global_closure.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        number = J.$index$asx($arguments, 0).assertNumber$1("number");
  	      if (number.hasUnit$1("%"))
  	        A.warnForDeprecation(string$.Passinp + number.toString$0(0) + ")\nTo emit a CSS abs() now: abs(#{" + number.toString$0(0) + string$.x7dx29_Mor, B.Deprecation_Usi);
  	      else
  	        A.warnForDeprecation(string$.Globalm, B.Deprecation_WW3);
  	      t1 = number.get$numeratorUnits(number);
  	      return A.SassNumber_SassNumber$withUnits(Math.abs(number._number$_value), number.get$denominatorUnits(number), t1);
  	    },
  	    $signature: 24
  	  };
  	  A.module_closure0.prototype = {
  	    call$1(value) {
  	      return Math.abs(value);
  	    },
  	    $signature: 12
  	  };
  	  A._ceil_closure.prototype = {
  	    call$1(value) {
  	      return B.JSNumber_methods.ceil$0(value);
  	    },
  	    $signature: 12
  	  };
  	  A._clamp_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        min = t1.$index($arguments, 0).assertNumber$1("min"),
  	        number = t1.$index($arguments, 1).assertNumber$1("number"),
  	        max = t1.$index($arguments, 2).assertNumber$1("max");
  	      number.convertValueToMatch$3(min, "number", "min");
  	      max.convertValueToMatch$3(min, "max", "min");
  	      if (min.greaterThanOrEquals$1(max).value)
  	        return min;
  	      if (min.greaterThanOrEquals$1(number).value)
  	        return min;
  	      if (number.greaterThanOrEquals$1(max).value)
  	        return max;
  	      return number;
  	    },
  	    $signature: 24
  	  };
  	  A._floor_closure.prototype = {
  	    call$1(value) {
  	      return B.JSNumber_methods.floor$0(value);
  	    },
  	    $signature: 12
  	  };
  	  A._max_closure.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, max, _i, number;
  	      for (t1 = J.$index$asx($arguments, 0).get$asList(), t2 = t1.length, max = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        number = t1[_i].assertNumber$0();
  	        if (max == null || max.lessThan$1(number).value)
  	          max = number;
  	      }
  	      if (max != null)
  	        return max;
  	      throw A.wrapException(A.SassScriptException$("At least one argument must be passed.", null));
  	    },
  	    $signature: 24
  	  };
  	  A._min_closure.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, min, _i, number;
  	      for (t1 = J.$index$asx($arguments, 0).get$asList(), t2 = t1.length, min = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        number = t1[_i].assertNumber$0();
  	        if (min == null || min.greaterThan$1(number).value)
  	          min = number;
  	      }
  	      if (min != null)
  	        return min;
  	      throw A.wrapException(A.SassScriptException$("At least one argument must be passed.", null));
  	    },
  	    $signature: 24
  	  };
  	  A._round_closure.prototype = {
  	    call$1(number) {
  	      return B.JSNumber_methods.round$0(number);
  	    },
  	    $signature: 12
  	  };
  	  A._hypot_closure.prototype = {
  	    call$1($arguments) {
  	      var subtotal, i, i0, t3,
  	        t1 = J.$index$asx($arguments, 0).get$asList(),
  	        t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,SassNumber>"),
  	        numbers = A.List_List$_of(new A.MappedListIterable(t1, new A._hypot__closure(), t2), t2._eval$1("ListIterable.E"));
  	      if (numbers.length === 0)
  	        throw A.wrapException(A.SassScriptException$("At least one argument must be passed.", null));
  	      for (subtotal = 0, i = 0; i < numbers.length; i = i0) {
  	        i0 = i + 1;
  	        subtotal += Math.pow(numbers[i].convertValueToMatch$3(numbers[0], "numbers[" + i0 + "]", "numbers[1]"), 2);
  	      }
  	      t1 = Math.sqrt(subtotal);
  	      t2 = numbers[0];
  	      t2 = t2.get$numeratorUnits(t2);
  	      t3 = numbers[0];
  	      return A.SassNumber_SassNumber$withUnits(t1, t3.get$denominatorUnits(t3), t2);
  	    },
  	    $signature: 24
  	  };
  	  A._hypot__closure.prototype = {
  	    call$1(argument) {
  	      return argument.assertNumber$0();
  	    },
  	    $signature: 692
  	  };
  	  A._log_closure.prototype = {
  	    call$1($arguments) {
  	      var base,
  	        _s18_ = " to have no units.",
  	        _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        number = t1.$index($arguments, 0).assertNumber$1("number");
  	      if (number.get$hasUnits())
  	        throw A.wrapException(A.SassScriptException$("$number: Expected " + number.toString$0(0) + _s18_, _null));
  	      else if (t1.$index($arguments, 1).$eq(0, B.C__SassNull))
  	        return A.SassNumber_SassNumber(Math.log(number._number$_value), _null);
  	      base = t1.$index($arguments, 1).assertNumber$1("base");
  	      if (base.get$hasUnits())
  	        throw A.wrapException(A.SassScriptException$("$base: Expected " + base.toString$0(0) + _s18_, _null));
  	      else
  	        return A.SassNumber_SassNumber(Math.log(number._number$_value) / Math.log(base._number$_value), _null);
  	    },
  	    $signature: 24
  	  };
  	  A._pow_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A.pow0(t1.$index($arguments, 0).assertNumber$1("base"), t1.$index($arguments, 1).assertNumber$1("exponent"));
  	    },
  	    $signature: 24
  	  };
  	  A._atan2_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        y = t1.$index($arguments, 0).assertNumber$1("y");
  	      return A.SassNumber_SassNumber$withUnits(Math.atan2(y._number$_value, t1.$index($arguments, 1).assertNumber$1("x").convertValueToMatch$3(y, "x", "y")) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    $signature: 24
  	  };
  	  A._compatible_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).assertNumber$1("number1").isComparableTo$1(t1.$index($arguments, 1).assertNumber$1("number2")) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._isUnitless_closure.prototype = {
  	    call$1($arguments) {
  	      return !J.$index$asx($arguments, 0).assertNumber$1("number").get$hasUnits() ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._unit_closure.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString(J.$index$asx($arguments, 0).assertNumber$1("number").get$unitString(), true);
  	    },
  	    $signature: 19
  	  };
  	  A._percentage_closure.prototype = {
  	    call$1($arguments) {
  	      var number = J.$index$asx($arguments, 0).assertNumber$1("number");
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber(number._number$_value * 100, "%");
  	    },
  	    $signature: 24
  	  };
  	  A._randomFunction_closure.prototype = {
  	    call$1($arguments) {
  	      var limit, limitScalar,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).$eq(0, B.C__SassNull))
  	        return A.SassNumber_SassNumber($.$get$_random0().nextDouble$0(), null);
  	      limit = t1.$index($arguments, 0).assertNumber$1("limit");
  	      if (limit.get$hasUnits())
  	        A.warnForDeprecation(string$.math_r + limit.toString$0(0) + string$.x29x20in_a + limit.get$unitString() + ")) * 1" + limit.get$unitString() + string$.x0a_To_p + limit.get$unitString() + string$.x29x29__Mo, B.Deprecation_7TE);
  	      limitScalar = limit.assertInt$1("limit");
  	      if (limitScalar < 1)
  	        throw A.wrapException(A.SassScriptException$("$limit: Must be greater than 0, was " + limit.toString$0(0) + ".", null));
  	      return A.SassNumber_SassNumber($.$get$_random0().nextInt$1(limitScalar) + 1, null);
  	    },
  	    $signature: 24
  	  };
  	  A._div_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        number1 = t1.$index($arguments, 0),
  	        number2 = t1.$index($arguments, 1);
  	      if (!(number1 instanceof A.SassNumber) || !(number2 instanceof A.SassNumber))
  	        A.warn(string$.math_d);
  	      return number1.dividedBy$1(number2);
  	    },
  	    $signature: 5
  	  };
  	  A._singleArgumentMathFunc_closure.prototype = {
  	    call$1($arguments) {
  	      return this.mathFunc.call$1(J.$index$asx($arguments, 0).assertNumber$1("number"));
  	    },
  	    $signature: 24
  	  };
  	  A._numberFunction_closure.prototype = {
  	    call$1($arguments) {
  	      var number = J.$index$asx($arguments, 0).assertNumber$1("number"),
  	        t1 = this.transform.call$1(number._number$_value),
  	        t2 = number.get$numeratorUnits(number);
  	      return A.SassNumber_SassNumber$withUnits(t1, number.get$denominatorUnits(number), t2);
  	    },
  	    $signature: 24
  	  };
  	  A._shared_closure.prototype = {
  	    call$1($arguments) {
  	      A.warnForDeprecation(string$.The_fe, B.Deprecation_PY0);
  	      return $._features.contains$1(0, J.$index$asx($arguments, 0).assertString$1("feature")._string$_text) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._shared_closure0.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString(A.serializeValue(J.get$first$ax($arguments), true, true), false);
  	    },
  	    $signature: 19
  	  };
  	  A._shared_closure1.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        _0_0 = t1.$index($arguments, 0);
  	      $label0$0: {
  	        if (_0_0 instanceof A.SassArgumentList) {
  	          t1 = "arglist";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassBoolean) {
  	          t1 = "bool";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassColor) {
  	          t1 = "color";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassList) {
  	          t1 = "list";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassMap) {
  	          t1 = "map";
  	          break $label0$0;
  	        }
  	        if (B.C__SassNull === _0_0) {
  	          t1 = "null";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassNumber) {
  	          t1 = "number";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassFunction) {
  	          t1 = "function";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassMixin) {
  	          t1 = "mixin";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassCalculation) {
  	          t1 = "calculation";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassString) {
  	          t1 = "string";
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression("[BUG] Unknown value type " + t1.$index($arguments, 0).toString$0(0));
  	      }
  	      return new A.SassString(t1, false);
  	    },
  	    $signature: 19
  	  };
  	  A._shared_closure2.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        _1_0 = t1.$index($arguments, 0);
  	      if (_1_0 instanceof A.SassArgumentList) {
  	        _1_0._wereKeywordsAccessed = true;
  	        t1 = type$.Value;
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	        for (t3 = A.MapExtensions_get_pairs(_1_0._keywords, type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	          t4 = t3.get$current(t3);
  	          t2.$indexSet(0, new A.SassString(t4._0, false), t4._1);
  	        }
  	        return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	      } else
  	        throw A.wrapException("$args: " + t1.$index($arguments, 0).toString$0(0) + " is not an argument list.");
  	    },
  	    $signature: 38
  	  };
  	  A.moduleFunctions_closure.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString(J.$index$asx($arguments, 0).assertCalculation$1("calc").name, true);
  	    },
  	    $signature: 19
  	  };
  	  A.moduleFunctions_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertCalculation$1("calc").$arguments;
  	      return A.SassList$(new A.MappedListIterable(t1, new A.moduleFunctions__closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value>")), B.ListSeparator_z0K, false);
  	    },
  	    $signature: 28
  	  };
  	  A.moduleFunctions__closure.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.Value ? argument : new A.SassString(J.toString$0$(argument), false);
  	    },
  	    $signature: 693
  	  };
  	  A.moduleFunctions_closure1.prototype = {
  	    call$1($arguments) {
  	      var _0_2_isSet, _0_2, acceptsContent, t1, _0_5_isSet, _0_5, hasContent, _null = null,
  	        mixin = J.$index$asx($arguments, 0).assertMixin$1("mixin"),
  	        _0_0 = mixin.callable;
  	      $label0$0: {
  	        _0_2_isSet = type$.AsyncBuiltInCallable._is(_0_0);
  	        _0_2 = _null;
  	        acceptsContent = _null;
  	        if (_0_2_isSet) {
  	          _0_2 = _0_0.get$acceptsContent();
  	          acceptsContent = _0_2;
  	        }
  	        if (!_0_2_isSet) {
  	          _0_2_isSet = _0_0 instanceof A.BuiltInCallable;
  	          if (_0_2_isSet)
  	            acceptsContent = _0_0.acceptsContent;
  	          t1 = _0_2_isSet;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = acceptsContent;
  	          break $label0$0;
  	        }
  	        _0_5_isSet = _0_0 instanceof A.UserDefinedCallable;
  	        _0_5 = _null;
  	        if (_0_5_isSet) {
  	          _0_5 = _0_0.declaration;
  	          t1 = _0_5;
  	          t1 = t1 instanceof A.MixinRule;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = _0_5_isSet ? _0_5 : _0_0.declaration;
  	          hasContent = type$.MixinRule._as(t1).get$hasContent();
  	          t1 = hasContent;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	      }
  	      return t1 ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._nest_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).get$asList();
  	      t1 = new A.MappedListIterable(t1, new A._nest__closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,SelectorList>")).fold$2(0, null, new A._nest__closure0());
  	      t1 = t1 == null ? null : t1.get$asSassList();
  	      return t1 == null ? A.throwExpression(A.SassScriptException$(string$.x24selec, null)) : t1;
  	    },
  	    $signature: 28
  	  };
  	  A._nest__closure.prototype = {
  	    call$1(selector) {
  	      return A.SassApiValue_assertSelector(selector, true, null);
  	    },
  	    $signature: 187
  	  };
  	  A._nest__closure0.prototype = {
  	    call$2($parent, child) {
  	      return child.nestWithin$1($parent);
  	    },
  	    $signature: 327
  	  };
  	  A._append_closure.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        selectors = J.$index$asx($arguments, 0).get$asList();
  	      if (selectors.length === 0)
  	        throw A.wrapException(A.SassScriptException$(string$.x24selec, null));
  	      t1 = A.EvaluationContext_currentOrNull();
  	      return new A.MappedListIterable(selectors, new A._append__closure(), A._arrayInstanceType(selectors)._eval$1("MappedListIterable<1,SelectorList>")).reduce$1(0, new A._append__closure0((t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan())).get$asSassList();
  	    },
  	    $signature: 28
  	  };
  	  A._append__closure.prototype = {
  	    call$1(selector) {
  	      return A.SassApiValue_assertSelector(selector, false, null);
  	    },
  	    $signature: 187
  	  };
  	  A._append__closure0.prototype = {
  	    call$2($parent, child) {
  	      var t1 = child.components,
  	        t2 = this.span;
  	      return A.SelectorList$(new A.MappedListIterable(t1, new A._append___closure($parent, t2), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector>")), t2).nestWithin$1($parent);
  	    },
  	    $signature: 462
  	  };
  	  A._append___closure.prototype = {
  	    call$1(complex) {
  	      var _0_0, t1, component, rest, newCompound, t2, _null = null;
  	      if (complex.leadingCombinators.length !== 0)
  	        throw A.wrapException(A.SassScriptException$("Can't append " + complex.toString$0(0) + " to " + this.parent.toString$0(0) + ".", _null));
  	      _0_0 = complex.components;
  	      t1 = _0_0.length >= 1;
  	      if (t1) {
  	        component = _0_0[0];
  	        rest = B.JSArray_methods.sublist$1(_0_0, 1);
  	      } else {
  	        rest = _null;
  	        component = rest;
  	      }
  	      if (!t1)
  	        throw A.wrapException(A.StateError$("Pattern matching error"));
  	      newCompound = A._prependParent(component.selector);
  	      if (newCompound == null)
  	        throw A.wrapException(A.SassScriptException$("Can't append " + complex.toString$0(0) + " to " + this.parent.toString$0(0) + ".", _null));
  	      t1 = this.span;
  	      t2 = A._setArrayType([new A.ComplexSelectorComponent(newCompound, A.List_List$unmodifiable(component.combinators, type$.CssValue_Combinator), t1)], type$.JSArray_ComplexSelectorComponent);
  	      B.JSArray_methods.addAll$1(t2, rest);
  	      return A.ComplexSelector$(B.List_empty0, t2, t1, false);
  	    },
  	    $signature: 61
  	  };
  	  A._extend_closure.prototype = {
  	    call$1($arguments) {
  	      var target, source,
  	        _s8_ = "selector",
  	        _s8_0 = "extendee",
  	        _s8_1 = "extender",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector = A.SassApiValue_assertSelector(t1.$index($arguments, 0), false, _s8_);
  	      selector.assertNotBogus$1$name(_s8_);
  	      target = A.SassApiValue_assertSelector(t1.$index($arguments, 1), false, _s8_0);
  	      target.assertNotBogus$1$name(_s8_0);
  	      source = A.SassApiValue_assertSelector(t1.$index($arguments, 2), false, _s8_1);
  	      source.assertNotBogus$1$name(_s8_1);
  	      t1 = A.EvaluationContext_currentOrNull();
  	      return A.ExtensionStore__extendOrReplace(selector, source, target, B.ExtendMode_allTargets_2_allTargets, (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan()).get$asSassList();
  	    },
  	    $signature: 28
  	  };
  	  A._replace_closure.prototype = {
  	    call$1($arguments) {
  	      var target, source,
  	        _s8_ = "selector",
  	        _s8_0 = "original",
  	        _s11_ = "replacement",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector = A.SassApiValue_assertSelector(t1.$index($arguments, 0), false, _s8_);
  	      selector.assertNotBogus$1$name(_s8_);
  	      target = A.SassApiValue_assertSelector(t1.$index($arguments, 1), false, _s8_0);
  	      target.assertNotBogus$1$name(_s8_0);
  	      source = A.SassApiValue_assertSelector(t1.$index($arguments, 2), false, _s11_);
  	      source.assertNotBogus$1$name(_s11_);
  	      t1 = A.EvaluationContext_currentOrNull();
  	      return A.ExtensionStore__extendOrReplace(selector, source, target, B.ExtendMode_replace_1_replace, (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan()).get$asSassList();
  	    },
  	    $signature: 28
  	  };
  	  A._unify_closure.prototype = {
  	    call$1($arguments) {
  	      var selector2,
  	        _s9_ = "selector1",
  	        _s9_0 = "selector2",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector1 = A.SassApiValue_assertSelector(t1.$index($arguments, 0), false, _s9_);
  	      selector1.assertNotBogus$1$name(_s9_);
  	      selector2 = A.SassApiValue_assertSelector(t1.$index($arguments, 1), false, _s9_0);
  	      selector2.assertNotBogus$1$name(_s9_0);
  	      t1 = selector1.unify$1(selector2);
  	      t1 = t1 == null ? null : t1.get$asSassList();
  	      return t1 == null ? B.C__SassNull : t1;
  	    },
  	    $signature: 5
  	  };
  	  A._isSuperselector_closure.prototype = {
  	    call$1($arguments) {
  	      var selector2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector1 = A.SassApiValue_assertSelector(t1.$index($arguments, 0), false, "super");
  	      selector1.assertNotBogus$1$name("super");
  	      selector2 = A.SassApiValue_assertSelector(t1.$index($arguments, 1), false, "sub");
  	      selector2.assertNotBogus$1$name("sub");
  	      return A.listIsSuperselector(selector1.components, selector2.components) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._simpleSelectors_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = A.SassApiValue_assertCompoundSelector(J.$index$asx($arguments, 0), "selector").components;
  	      return A.SassList$(new A.MappedListIterable(t1, new A._simpleSelectors__closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value>")), B.ListSeparator_z0K, false);
  	    },
  	    $signature: 28
  	  };
  	  A._simpleSelectors__closure.prototype = {
  	    call$1(simple) {
  	      return new A.SassString(A.serializeSelector(simple, true), false);
  	    },
  	    $signature: 330
  	  };
  	  A._parse_closure.prototype = {
  	    call$1($arguments) {
  	      return A.SassApiValue_assertSelector(J.$index$asx($arguments, 0), false, "selector").get$asSassList();
  	    },
  	    $signature: 28
  	  };
  	  A.module_closure.prototype = {
  	    call$1($arguments) {
  	      var limit, t2, chunks, i, lastEnd, match, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        separator = t1.$index($arguments, 1).assertString$1("separator");
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      limit = t1 == null ? null : t1.assertNumber$1("limit").assertInt$1("limit");
  	      if (limit != null && limit < 1)
  	        throw A.wrapException(A.SassScriptException$("$limit: Must be 1 or greater, was " + A.S(limit) + ".", null));
  	      t1 = string._string$_text;
  	      if (t1.length === 0)
  	        return B.SassList_oWx;
  	      else {
  	        t2 = separator._string$_text;
  	        if (t2.length === 0)
  	          return A.SassList$(A.MappedIterable_MappedIterable(new A.Runes(t1), new A.module__closure(string), type$.Runes._eval$1("Iterable.E"), type$.Value), B.ListSeparator_z0K, true);
  	      }
  	      chunks = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = B.JSString_methods.allMatches$1(t2, t1), t2 = new A._StringAllMatchesIterator(t2._input, t2._pattern, t2.__js_helper$_index), i = 0, lastEnd = 0; t2.moveNext$0();) {
  	        match = t2.__js_helper$_current;
  	        t3 = match.start;
  	        chunks.push(B.JSString_methods.substring$2(t1, lastEnd, t3));
  	        lastEnd = t3 + match.pattern.length;
  	        ++i;
  	        if (i === limit)
  	          break;
  	      }
  	      chunks.push(B.JSString_methods.substring$1(t1, lastEnd));
  	      return A.SassList$(new A.MappedListIterable(chunks, new A.module__closure0(string), type$.MappedListIterable_String_Value), B.ListSeparator_z0K, true);
  	    },
  	    $signature: 28
  	  };
  	  A.module__closure.prototype = {
  	    call$1(rune) {
  	      return new A.SassString(A.Primitives_stringFromCharCode(rune), this.string._hasQuotes);
  	    },
  	    $signature: 341
  	  };
  	  A.module__closure0.prototype = {
  	    call$1(chunk) {
  	      return new A.SassString(chunk, this.string._hasQuotes);
  	    },
  	    $signature: 349
  	  };
  	  A._unquote_closure.prototype = {
  	    call$1($arguments) {
  	      var string = J.$index$asx($arguments, 0).assertString$1("string");
  	      if (!string._hasQuotes)
  	        return string;
  	      return new A.SassString(string._string$_text, false);
  	    },
  	    $signature: 19
  	  };
  	  A._quote_closure.prototype = {
  	    call$1($arguments) {
  	      var string = J.$index$asx($arguments, 0).assertString$1("string");
  	      if (string._hasQuotes)
  	        return string;
  	      return new A.SassString(string._string$_text, true);
  	    },
  	    $signature: 19
  	  };
  	  A._length_closure.prototype = {
  	    call$1($arguments) {
  	      return A.SassNumber_SassNumber(J.$index$asx($arguments, 0).assertString$1("string").get$_sassLength(), null);
  	    },
  	    $signature: 24
  	  };
  	  A._insert_closure.prototype = {
  	    call$1($arguments) {
  	      var indexInt, codeUnitIndex, _s5_ = "index",
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        insert = t1.$index($arguments, 1).assertString$1("insert"),
  	        index = t1.$index($arguments, 2).assertNumber$1(_s5_);
  	      index.assertNoUnits$1(_s5_);
  	      indexInt = index.assertInt$1(_s5_);
  	      if (indexInt < 0)
  	        indexInt = Math.max(string.get$_sassLength() + indexInt + 2, 0);
  	      t1 = string._string$_text;
  	      codeUnitIndex = A.codepointIndexToCodeUnitIndex(t1, A._codepointForIndex(indexInt, string.get$_sassLength(), false));
  	      return new A.SassString(B.JSString_methods.replaceRange$3(t1, codeUnitIndex, codeUnitIndex, insert._string$_text), string._hasQuotes);
  	    },
  	    $signature: 19
  	  };
  	  A._index_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        t2 = t1.$index($arguments, 0).assertString$1("string")._string$_text,
  	        codeUnitIndex = B.JSString_methods.indexOf$1(t2, t1.$index($arguments, 1).assertString$1("substring")._string$_text);
  	      if (codeUnitIndex === -1)
  	        return B.C__SassNull;
  	      return A.SassNumber_SassNumber(A.codeUnitIndexToCodepointIndex(t2, codeUnitIndex) + 1, null);
  	    },
  	    $signature: 5
  	  };
  	  A._slice_closure.prototype = {
  	    call$1($arguments) {
  	      var lengthInCodepoints, endInt, startCodepoint, endCodepoint,
  	        _s8_ = "start-at",
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        start = t1.$index($arguments, 1).assertNumber$1(_s8_),
  	        end = t1.$index($arguments, 2).assertNumber$1("end-at");
  	      start.assertNoUnits$1(_s8_);
  	      end.assertNoUnits$1("end-at");
  	      lengthInCodepoints = string.get$_sassLength();
  	      endInt = end.assertInt$0();
  	      if (endInt === 0)
  	        return string._hasQuotes ? $.$get$_emptyQuoted() : $.$get$_emptyUnquoted();
  	      startCodepoint = A._codepointForIndex(start.assertInt$0(), lengthInCodepoints, false);
  	      endCodepoint = A._codepointForIndex(endInt, lengthInCodepoints, true);
  	      if (endCodepoint === lengthInCodepoints)
  	        --endCodepoint;
  	      if (endCodepoint < startCodepoint)
  	        return string._hasQuotes ? $.$get$_emptyQuoted() : $.$get$_emptyUnquoted();
  	      t1 = string._string$_text;
  	      return new A.SassString(B.JSString_methods.substring$2(t1, A.codepointIndexToCodeUnitIndex(t1, startCodepoint), A.codepointIndexToCodeUnitIndex(t1, endCodepoint + 1)), string._hasQuotes);
  	    },
  	    $signature: 19
  	  };
  	  A._toUpperCase_closure.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, i, t3, t4,
  	        string = J.$index$asx($arguments, 0).assertString$1("string");
  	      for (t1 = string._string$_text, t2 = t1.length, i = 0, t3 = ""; i < t2; ++i) {
  	        t4 = t1.charCodeAt(i);
  	        t3 += A.Primitives_stringFromCharCode(t4 >= 97 && t4 <= 122 ? t4 & 4294967263 : t4);
  	      }
  	      return new A.SassString(t3.charCodeAt(0) == 0 ? t3 : t3, string._hasQuotes);
  	    },
  	    $signature: 19
  	  };
  	  A._toLowerCase_closure.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, i, t3, t4,
  	        string = J.$index$asx($arguments, 0).assertString$1("string");
  	      for (t1 = string._string$_text, t2 = t1.length, i = 0, t3 = ""; i < t2; ++i) {
  	        t4 = t1.charCodeAt(i);
  	        t3 += A.Primitives_stringFromCharCode(t4 >= 65 && t4 <= 90 ? t4 | 32 : t4);
  	      }
  	      return new A.SassString(t3.charCodeAt(0) == 0 ? t3 : t3, string._hasQuotes);
  	    },
  	    $signature: 19
  	  };
  	  A._uniqueId_closure.prototype = {
  	    call$1($arguments) {
  	      var t1 = $.$get$_previousUniqueId() + ($.$get$_random().nextInt$1(36) + 1);
  	      $._previousUniqueId = t1;
  	      if (t1 > Math.pow(36, 6))
  	        $._previousUniqueId = B.JSInt_methods.$mod($.$get$_previousUniqueId(), A._asInt(Math.pow(36, 6)));
  	      return new A.SassString("u" + B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1($.$get$_previousUniqueId(), 36), 6, "0"), false);
  	    },
  	    $signature: 19
  	  };
  	  A.ImportCache.prototype = {
  	    canonicalize$4$baseImporter$baseUrl$forImport(_, url, baseImporter, baseUrl, forImport) {
  	      var t1, resolvedUrl, key, relativeResult, t2, t3, t4, t5, t6, cacheable, i, importer, perImporterKey, t7, _1_0, _1_2_isSet, result, _1_2, _2_0, _2_1, _2_5_isSet, _2_5, _2_3, _2_3_isSet, j, _this = this, _null = null;
  	      if (A.isBrowser())
  	        t1 = (baseImporter == null || baseImporter instanceof A.NoOpImporter) && _this._importers.length === 0;
  	      else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(string$.Customi);
  	      if (baseImporter != null && url.get$scheme() === "") {
  	        resolvedUrl = baseUrl == null ? _null : baseUrl.resolveUri$1(url);
  	        if (resolvedUrl == null)
  	          resolvedUrl = url;
  	        key = new A._Record_3_forImport(baseImporter, resolvedUrl, forImport);
  	        relativeResult = _this._perImporterCanonicalizeCache.putIfAbsent$2(key, new A.ImportCache_canonicalize_closure(_this, baseImporter, resolvedUrl, baseUrl, forImport, key, url));
  	        if (relativeResult != null)
  	          return relativeResult;
  	      }
  	      key = new A._Record_2_forImport(url, forImport);
  	      t1 = _this._canonicalizeCache;
  	      if (t1.containsKey$1(key))
  	        return t1.$index(0, key);
  	      for (t2 = _this._importers, t3 = type$.Record_1_nullable_Object, t4 = _this._perImporterCanonicalizeCache, t5 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl, t6 = type$.Record_3_Importer_and_Uri_and_Uri_originalUrl, cacheable = true, i = 0; i < t2.length; ++i) {
  	        importer = t2[i];
  	        perImporterKey = new A._Record_3_forImport(importer, url, forImport);
  	        if (t4.containsKey$1(perImporterKey)) {
  	          t7 = t4.$index(0, perImporterKey);
  	          _1_0 = new A._Record_1(t7 == null ? t5._as(t7) : t7);
  	        } else
  	          _1_0 = _null;
  	        _1_2_isSet = t3._is(_1_0);
  	        result = _null;
  	        if (_1_2_isSet) {
  	          _1_2 = _1_0._0;
  	          t7 = _1_2 != null;
  	          if (t7) {
  	            t6._as(_1_2);
  	            result = _1_2;
  	          }
  	        } else {
  	          _1_2 = _null;
  	          t7 = false;
  	        }
  	        if (t7)
  	          return result;
  	        if (_1_2_isSet)
  	          t7 = _1_2 == null;
  	        else
  	          t7 = false;
  	        if (t7)
  	          continue;
  	        $label0$1: {
  	          _2_0 = _this._canonicalize$4(importer, url, baseUrl, forImport);
  	          _2_1 = _2_0._0;
  	          _2_5_isSet = _2_1 != null;
  	          _2_5 = _null;
  	          _2_3 = _null;
  	          t7 = false;
  	          if (_2_5_isSet) {
  	            result = _2_1 == null ? t6._as(_2_1) : _2_1;
  	            _2_3 = _2_0._1;
  	            t7 = _2_3;
  	            _2_5 = t7;
  	            t7 = t7 && cacheable;
  	          } else
  	            result = _null;
  	          if (t7) {
  	            t1.$indexSet(0, key, result);
  	            return result;
  	          }
  	          if (_2_5_isSet) {
  	            t7 = _2_5;
  	            _2_3_isSet = _2_5_isSet;
  	          } else {
  	            _2_3 = _2_0._1;
  	            t7 = _2_3;
  	            _2_3_isSet = true;
  	          }
  	          t7 = t7 && !cacheable;
  	          if (t7) {
  	            t4.$indexSet(0, perImporterKey, _2_1);
  	            if (_2_1 != null)
  	              return _2_1;
  	            break $label0$1;
  	          }
  	          t7 = false === (_2_3_isSet ? _2_3 : _2_0._1);
  	          if (t7) {
  	            if (cacheable) {
  	              for (j = 0; j < i; ++j)
  	                t4.$indexSet(0, new A._Record_3_forImport(t2[j], url, forImport), _null);
  	              cacheable = false;
  	            }
  	            if (_2_1 != null)
  	              return _2_1;
  	          }
  	        }
  	      }
  	      if (cacheable)
  	        t1.$indexSet(0, key, _null);
  	      return _null;
  	    },
  	    canonicalize$3$baseImporter$baseUrl(_, url, baseImporter, baseUrl) {
  	      return this.canonicalize$4$baseImporter$baseUrl$forImport(0, url, baseImporter, baseUrl, false);
  	    },
  	    _canonicalize$4(importer, url, baseUrl, forImport) {
  	      var passContainingUrl, canonicalizeContext, t1, result, cacheable;
  	      if (baseUrl != null)
  	        passContainingUrl = url.get$scheme() === "" || importer.isNonCanonicalScheme$1(url.get$scheme());
  	      else
  	        passContainingUrl = false;
  	      canonicalizeContext = new A.CanonicalizeContext(forImport, passContainingUrl ? baseUrl : null);
  	      t1 = type$.nullable_Object;
  	      result = A.runZoned(new A.ImportCache__canonicalize_closure(importer, url), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__canonicalizeContext, canonicalizeContext], t1, t1), type$.nullable_Uri);
  	      cacheable = !passContainingUrl || !canonicalizeContext._wasContainingUrlAccessed;
  	      if (result == null)
  	        return new A._Record_2(null, cacheable);
  	      if (result.get$scheme() !== "" && importer.isNonCanonicalScheme$1(result.get$scheme()))
  	        throw A.wrapException("Importer " + importer.toString$0(0) + " canonicalized " + url.toString$0(0) + " to " + result.toString$0(0) + string$.x2c_whicu);
  	      return new A._Record_2(new A._Record_3_originalUrl(importer, result, url), cacheable);
  	    },
  	    importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl) {
  	      return this._importCache.putIfAbsent$2(canonicalUrl, new A.ImportCache_importCanonical_closure(this, importer, canonicalUrl, originalUrl));
  	    },
  	    importCanonical$2(importer, canonicalUrl) {
  	      return this.importCanonical$3$originalUrl(importer, canonicalUrl, null);
  	    },
  	    humanize$1(canonicalUrl) {
  	      var t1 = this._canonicalizeCache,
  	        t2 = type$.NonNullsIterable_Record_3_Importer_and_Uri_and_Uri_originalUrl;
  	      t2 = A.NullableExtension_andThen(A.minBy(new A.MappedIterable(new A.WhereIterable(new A.NonNullsIterable(new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>")), t2), new A.ImportCache_humanize_closure(canonicalUrl), t2._eval$1("WhereIterable<Iterable.E>")), new A.ImportCache_humanize_closure0(), t2._eval$1("MappedIterable<Iterable.E,Uri>")), new A.ImportCache_humanize_closure1()), new A.ImportCache_humanize_closure2(canonicalUrl));
  	      return t2 == null ? canonicalUrl : t2;
  	    },
  	    sourceMapUrl$1(_, canonicalUrl) {
  	      var t1 = this._resultsCache.$index(0, canonicalUrl);
  	      t1 = t1 == null ? null : t1.get$sourceMapUrl(0);
  	      return t1 == null ? canonicalUrl : t1;
  	    },
  	    clearCanonicalize$1(canonicalUrl) {
  	      var key, t5, t6, _i0,
  	        t1 = this._canonicalizeCache,
  	        t2 = A.List_List$_of(new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")), type$.Record_2_Uri_and_bool_forImport),
  	        t3 = t2.length,
  	        t4 = this._importers,
  	        _i = 0;
  	      for (; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        key = t2[_i];
  	        for (t5 = t4.length, t6 = key._0, _i0 = 0; _i0 < t4.length; t4.length === t5 || (0, A.throwConcurrentModificationError)(t4), ++_i0)
  	          if (t4[_i0].couldCanonicalize$2(t6, canonicalUrl)) {
  	            t1.remove$1(0, key);
  	            break;
  	          }
  	      }
  	      t1 = this._perImporterCanonicalizeCache;
  	      t2 = A.List_List$_of(new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")), type$.Record_3_Importer_and_Uri_and_bool_forImport);
  	      t3 = t2.length;
  	      _i = 0;
  	      for (; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        key = t2[_i];
  	        if (key._0.couldCanonicalize$2(key._1, canonicalUrl))
  	          t1.remove$1(0, key);
  	      }
  	    },
  	    clearImport$1(canonicalUrl) {
  	      this._resultsCache.remove$1(0, canonicalUrl);
  	      this._importCache.remove$1(0, canonicalUrl);
  	    }
  	  };
  	  A.ImportCache_canonicalize_closure.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.baseUrl,
  	        _0_0 = t1._canonicalize$4(_this.baseImporter, _this.resolvedUrl, t2, _this.forImport);
  	      if (t2 != null)
  	        t1._nonCanonicalRelativeUrls.$indexSet(0, _this.key, _this.url);
  	      return _0_0._0;
  	    },
  	    $signature: 128
  	  };
  	  A.ImportCache__canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.importer.canonicalize$1(0, this.url);
  	    },
  	    $signature: 144
  	  };
  	  A.ImportCache_importCanonical_closure.prototype = {
  	    call$0() {
  	      var t3, t4, _this = this,
  	        t1 = Date.now(),
  	        t2 = _this.canonicalUrl,
  	        result = _this.importer.load$1(0, t2);
  	      if (result == null)
  	        return null;
  	      t3 = _this.$this;
  	      t3._loadTimes.$indexSet(0, t2, new A.DateTime(t1, 0, false));
  	      t3._resultsCache.$indexSet(0, t2, result);
  	      t3 = result.contents;
  	      t1 = result.syntax;
  	      t4 = _this.originalUrl;
  	      return A.Stylesheet_Stylesheet$parse(t3, t1, false, t4 == null ? t2 : t4.resolveUri$1(t2));
  	    },
  	    $signature: 86
  	  };
  	  A.ImportCache_humanize_closure.prototype = {
  	    call$1(result) {
  	      return result._1.$eq(0, this.canonicalUrl);
  	    },
  	    $signature: 320
  	  };
  	  A.ImportCache_humanize_closure0.prototype = {
  	    call$1(result) {
  	      return result._2;
  	    },
  	    $signature: 323
  	  };
  	  A.ImportCache_humanize_closure1.prototype = {
  	    call$1(url) {
  	      return url.get$path(url).length;
  	    },
  	    $signature: 107
  	  };
  	  A.ImportCache_humanize_closure2.prototype = {
  	    call$1(url) {
  	      var t1 = $.$get$url(),
  	        t2 = this.canonicalUrl;
  	      return url.resolve$1(0, A.ParsedPath_ParsedPath$parse(t2.get$path(t2), t1.style).get$basename());
  	    },
  	    $signature: 49
  	  };
  	  A.Importer.prototype = {
  	    modificationTime$1(url) {
  	      return new A.DateTime(Date.now(), 0, false);
  	    },
  	    couldCanonicalize$2(url, canonicalUrl) {
  	      return true;
  	    },
  	    isNonCanonicalScheme$1(scheme) {
  	      return false;
  	    }
  	  };
  	  A.AsyncImporter.prototype = {};
  	  A.CanonicalizeContext.prototype = {};
  	  A.FilesystemImporter.prototype = {
  	    canonicalize$1(_, url) {
  	      var resolved, _0_0;
  	      if (url.get$scheme() === "file")
  	        resolved = A.resolveImportPath($.$get$context().style.pathFromUri$1(A._parseUri(url)));
  	      else if (url.get$scheme() !== "")
  	        return null;
  	      else {
  	        _0_0 = this._loadPath;
  	        if (_0_0 != null) {
  	          resolved = A.resolveImportPath(A.join(_0_0, $.$get$context().style.pathFromUri$1(A._parseUri(url)), null));
  	          if (resolved != null && this._loadPathDeprecated)
  	            A.warnForDeprecation(string$.Using_t, B.Deprecation_uJ0);
  	        } else
  	          return null;
  	      }
  	      return A.NullableExtension_andThen(resolved, new A.FilesystemImporter_canonicalize_closure());
  	    },
  	    load$1(_, url) {
  	      var path = $.$get$context().style.pathFromUri$1(A._parseUri(url)),
  	        t1 = A.readFile(path),
  	        t2 = A.Syntax_forPath(path),
  	        t3 = url.get$scheme();
  	      if (t3 === "")
  	        A.throwExpression(A.ArgumentError$value(url, "sourceMapUrl", "must be absolute"));
  	      return new A.ImporterResult(t1, url, t2);
  	    },
  	    modificationTime$1(url) {
  	      return A.modificationTime($.$get$context().style.pathFromUri$1(A._parseUri(url)));
  	    },
  	    couldCanonicalize$2(url, canonicalUrl) {
  	      var t1, t2, basename, canonicalBasename;
  	      if (url.get$scheme() !== "file" && url.get$scheme() !== "")
  	        return false;
  	      if (canonicalUrl.get$scheme() !== "file")
  	        return false;
  	      t1 = $.$get$url();
  	      t2 = t1.style;
  	      basename = A.ParsedPath_ParsedPath$parse(url.get$path(url), t2).get$basename();
  	      canonicalBasename = A.ParsedPath_ParsedPath$parse(canonicalUrl.get$path(canonicalUrl), t2).get$basename();
  	      if (!B.JSString_methods.startsWith$1(basename, "_") && B.JSString_methods.startsWith$1(canonicalBasename, "_"))
  	        canonicalBasename = B.JSString_methods.substring$1(canonicalBasename, 1);
  	      return basename === canonicalBasename || basename === t1.withoutExtension$1(canonicalBasename);
  	    },
  	    toString$0(_) {
  	      var t1 = this._loadPath;
  	      return t1 == null ? "<absolute file importer>" : t1;
  	    }
  	  };
  	  A.FilesystemImporter_canonicalize_closure.prototype = {
  	    call$1(resolved) {
  	      var t2, t0, _null = null,
  	        t1 = A.isNodeJs() ? self.process : _null;
  	      if (!J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        t1 = A.isNodeJs() ? self.process : _null;
  	        t1 = J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "darwin");
  	      } else
  	        t1 = true;
  	      if (t1) {
  	        t1 = A.absolute(resolved, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	        t2 = $.$get$context();
  	        t1 = A._realCasePath(t2.normalize$1(t1));
  	      } else {
  	        t1 = $.$get$context();
  	        t2 = t1.canonicalize$1(0, resolved);
  	        t0 = t2;
  	        t2 = t1;
  	        t1 = t0;
  	      }
  	      return t2.toUri$1(t1);
  	    },
  	    $signature: 127
  	  };
  	  A.NoOpImporter.prototype = {};
  	  A.NodePackageImporter.prototype = {
  	    isNonCanonicalScheme$1(scheme) {
  	      return scheme === "pkg";
  	    },
  	    canonicalize$1(_, url) {
  	      var packageName, jsonPath, jsonString, packageManifest, e, t1, t2, t3, t4, baseDirectory, parts, t5, $name, subpath, packageRoot, _1_0, rootPath, subpathInRoot, _this = this, _null = null;
  	      if (url.get$scheme() === "file")
  	        return $.$get$FilesystemImporter_cwd().canonicalize$1(0, url);
  	      if (url.get$scheme() !== "pkg")
  	        return _null;
  	      if (url.get$hasAuthority())
  	        throw A.wrapException(string$.A_pkg_h);
  	      else {
  	        t1 = $.$get$url();
  	        t2 = t1.style;
  	        if (t2.rootLength$1(url.get$path(url)) > 0)
  	          throw A.wrapException("A pkg: URL's path must not begin with /.");
  	        else if (url.get$path(url).length === 0)
  	          throw A.wrapException("A pkg: URL must not have an empty path.");
  	        else if (url.get$hasQuery() || url.get$hasFragment())
  	          throw A.wrapException(string$.A_pkg_q);
  	      }
  	      t3 = A.canonicalizeContext();
  	      t3._wasContainingUrlAccessed = true;
  	      t3 = t3._containingUrl;
  	      if ((t3 == null ? _null : t3.get$scheme()) === "file") {
  	        t3 = A.canonicalizeContext();
  	        t3._wasContainingUrlAccessed = true;
  	        t3 = t3._containingUrl;
  	        t3.toString;
  	        t4 = $.$get$context();
  	        baseDirectory = t4.dirname$1(t4.style.pathFromUri$1(A._parseUri(t3)));
  	      } else {
  	        t3 = _this.__NodePackageImporter__entryPointDirectory_F;
  	        t3 === $ && A.throwUnnamedLateFieldNI();
  	        baseDirectory = t3;
  	      }
  	      packageName = null;
  	      parts = t1.split$1(0, url.get$path(url));
  	      t3 = B.JSArray_methods.removeAt$1(parts, 0);
  	      t4 = $.$get$context();
  	      t5 = t4.style;
  	      $name = t5.pathFromUri$1(A._parseUri(t3));
  	      if (B.JSString_methods.startsWith$1($name, "@"))
  	        $name = parts.length !== 0 ? t1.join$2(0, $name, B.JSArray_methods.removeAt$1(parts, 0)) : $name;
  	      subpath = parts.length !== 0 ? t5.pathFromUri$1(A._parseUri(t1.joinAll$1(parts))) : _null;
  	      packageName = $name;
  	      t1 = true;
  	      if (!J.startsWith$1$s(packageName, "."))
  	        if (!J.contains$1$asx(packageName, "\\"))
  	          if (!J.contains$1$asx(packageName, "%"))
  	            t1 = J.startsWith$1$s(packageName, "@") && !J.contains$1$asx(packageName, t2.get$separator(t2));
  	      if (t1)
  	        return _null;
  	      packageRoot = _this._resolvePackageRoot$2(packageName, baseDirectory);
  	      if (packageRoot == null)
  	        return _null;
  	      jsonPath = A.join(packageRoot, "package.json", _null);
  	      jsonString = A.readFile(jsonPath);
  	      packageManifest = null;
  	      try {
  	        packageManifest = type$.Map_String_dynamic._as(B.C_JsonCodec.decode$1(jsonString));
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        t1 = A.S(jsonPath);
  	        t2 = A.S(packageName);
  	        t3 = A.S(e);
  	        throw A.wrapException("Failed to parse " + t1 + ' for "pkg:' + t2 + '": ' + t3);
  	      }
  	      _1_0 = _this._resolvePackageExports$4(packageRoot, subpath, packageManifest, packageName);
  	      if (_1_0 != null)
  	        if (B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_1_0, t5)._splitExtension$1(1)[1]))
  	          return t4.toUri$1(t4.canonicalize$1(0, _1_0));
  	        else {
  	          t1 = subpath == null ? "root" : subpath;
  	          throw A.wrapException("The export for '" + t1 + "' in '" + A.S(packageName) + "' resolved to '" + _1_0 + string$.x27x2c_whi);
  	        }
  	      if (subpath == null) {
  	        rootPath = _this._resolvePackageRootValues$2(packageRoot, packageManifest);
  	        return rootPath != null ? t4.toUri$1(t4.canonicalize$1(0, rootPath)) : _null;
  	      }
  	      subpathInRoot = A.join(packageRoot, subpath, _null);
  	      return $.$get$FilesystemImporter_cwd().canonicalize$1(0, t4.toUri$1(subpathInRoot));
  	    },
  	    load$1(_, url) {
  	      return $.$get$FilesystemImporter_cwd().load$1(0, url);
  	    },
  	    _resolvePackageRoot$2(packageName, baseDirectory) {
  	      var potentialPackage, t1;
  	      for (;;) {
  	        potentialPackage = A.join(baseDirectory, "node_modules", packageName);
  	        if (A.dirExists(potentialPackage))
  	          return potentialPackage;
  	        t1 = $.$get$context();
  	        if (t1.split$1(0, baseDirectory).length === 1)
  	          return null;
  	        baseDirectory = t1.dirname$1(baseDirectory);
  	      }
  	    },
  	    _resolvePackageRootValues$2(packageRoot, packageManifest) {
  	      var t1, sassValue, _1_0, styleValue, _null = null,
  	        _0_0 = packageManifest.$index(0, "sass");
  	      if (typeof _0_0 == "string") {
  	        t1 = B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_0_0, $.$get$url().style)._splitExtension$1(1)[1]);
  	        sassValue = _0_0;
  	      } else {
  	        sassValue = _null;
  	        t1 = false;
  	      }
  	      if (t1)
  	        return A.join(packageRoot, sassValue, _null);
  	      else {
  	        _1_0 = packageManifest.$index(0, "style");
  	        if (typeof _1_0 == "string") {
  	          t1 = B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_1_0, $.$get$url().style)._splitExtension$1(1)[1]);
  	          styleValue = _1_0;
  	        } else {
  	          styleValue = _null;
  	          t1 = false;
  	        }
  	        if (t1)
  	          return A.join(packageRoot, styleValue, _null);
  	      }
  	      return A.resolveImportPath(A.join(packageRoot, "index", _null));
  	    },
  	    _resolvePackageExports$4(packageRoot, subpath, packageManifest, packageName) {
  	      var _0_0, _1_0, _this = this,
  	        exports$1 = packageManifest.$index(0, "exports");
  	      if (exports$1 == null)
  	        return null;
  	      _0_0 = _this._nodePackageExportsResolve$5(packageRoot, _this._exportsToCheck$1(subpath), exports$1, subpath, packageName);
  	      if (_0_0 != null)
  	        return _0_0;
  	      if (subpath != null && A.ParsedPath_ParsedPath$parse(subpath, $.$get$url().style)._splitExtension$1(1)[1].length !== 0)
  	        return null;
  	      _1_0 = _this._nodePackageExportsResolve$5(packageRoot, _this._exportsToCheck$2$addIndex(subpath, true), exports$1, subpath, packageName);
  	      if (_1_0 != null)
  	        return _1_0;
  	      return null;
  	    },
  	    _nodePackageExportsResolve$5(packageRoot, subpathVariants, exports$1, subpath, packageName) {
  	      var t2, matches, _1_1, path,
  	        t1 = false;
  	      if (type$.Map_String_dynamic._is(exports$1)) {
  	        t2 = exports$1.get$keys(exports$1);
  	        if (t2.any$1(t2, new A.NodePackageImporter__nodePackageExportsResolve_closure())) {
  	          t1 = exports$1.get$keys(exports$1);
  	          t1 = t1.any$1(t1, new A.NodePackageImporter__nodePackageExportsResolve_closure0());
  	        }
  	      }
  	      if (t1) {
  	        t1 = exports$1.get$keys(exports$1);
  	        throw A.wrapException("`exports` in " + packageName + string$.x20can_n + t1.map$1$1(t1, new A.NodePackageImporter__nodePackageExportsResolve_closure1(), type$.String).join$1(0, ",") + " in " + A.join(packageRoot, "package.json", null) + ".");
  	      }
  	      t1 = type$.NonNullsIterable_String;
  	      t1 = A.LinkedHashSet_LinkedHashSet$of(new A.NonNullsIterable(new A.MappedListIterable(subpathVariants, new A.NodePackageImporter__nodePackageExportsResolve_closure2(this, exports$1, packageRoot), A._arrayInstanceType(subpathVariants)._eval$1("MappedListIterable<1,String?>")), t1), t1._eval$1("Iterable.E"));
  	      matches = A.List_List$_of(t1, A._instanceType(t1)._precomputed1);
  	      $label0$1: {
  	        _1_1 = matches.length;
  	        if (_1_1 === 1) {
  	          path = matches[0];
  	          t1 = path;
  	          break $label0$1;
  	        }
  	        if (_1_1 <= 0) {
  	          t1 = null;
  	          break $label0$1;
  	        }
  	        t1 = subpath == null ? "root" : subpath;
  	        t1 = A.throwExpression(string$.Unable + t1 + " in " + packageName + " should be used. \n\nFound:\n" + B.JSArray_methods.join$1(matches, "\n"));
  	      }
  	      return t1;
  	    },
  	    _compareExpansionKeys$2(keyA, keyB) {
  	      var t1 = B.JSString_methods.contains$1(keyA, "*"),
  	        baseLengthA = t1 ? B.JSString_methods.indexOf$1(keyA, "*") + 1 : keyA.length,
  	        t2 = B.JSString_methods.contains$1(keyB, "*"),
  	        baseLengthB = t2 ? B.JSString_methods.indexOf$1(keyB, "*") + 1 : keyB.length;
  	      if (baseLengthA > baseLengthB)
  	        return -1;
  	      if (baseLengthB > baseLengthA)
  	        return 1;
  	      if (!t1)
  	        return 1;
  	      if (!t2)
  	        return -1;
  	      t1 = keyA.length;
  	      t2 = keyB.length;
  	      if (t1 > t2)
  	        return -1;
  	      if (t2 > t1)
  	        return 1;
  	      return 0;
  	    },
  	    _packageTargetResolve$4(subpath, exports$1, packageRoot, patternMatch) {
  	      var t2, string, path, map, key, value, _1_0, array, _2_0, _null = null,
  	        t1 = typeof exports$1 == "string";
  	      if (t1) {
  	        t2 = !B.JSString_methods.startsWith$1(exports$1, "./");
  	        string = exports$1;
  	      } else {
  	        string = _null;
  	        t2 = false;
  	      }
  	      if (t2)
  	        throw A.wrapException("Export '" + A.S(string) + string$.x27x20must + packageRoot + "'.");
  	      if (t1) {
  	        t2 = patternMatch != null;
  	        string = exports$1;
  	      } else {
  	        string = _null;
  	        t2 = false;
  	      }
  	      if (t2) {
  	        t1 = J.replaceFirst$2$s(string, "*", patternMatch);
  	        t2 = $.$get$context();
  	        path = t2.normalize$1(A.join(packageRoot, t2.style.pathFromUri$1(A._parseUri(t1)), _null));
  	        return A.fileExists(path) ? path : _null;
  	      }
  	      string = t1 ? exports$1 : _null;
  	      if (t1) {
  	        t1 = $.$get$context();
  	        string.toString;
  	        return A.join(packageRoot, t1.style.pathFromUri$1(A._parseUri(string)), _null);
  	      }
  	      t1 = type$.Map_String_dynamic._is(exports$1);
  	      map = t1 ? exports$1 : _null;
  	      if (t1) {
  	        for (t1 = A.MapExtensions_get_pairs(map, type$.String, type$.dynamic), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	          t2 = t1.get$current(t1);
  	          key = t2._0;
  	          value = t2._1;
  	          if (!B.Set_8229z.contains$1(0, key))
  	            continue;
  	          if (value == null)
  	            continue;
  	          _1_0 = this._packageTargetResolve$4(subpath, value, packageRoot, patternMatch);
  	          if (_1_0 != null)
  	            return _1_0;
  	        }
  	        return _null;
  	      }
  	      t1 = type$.List_dynamic._is(exports$1);
  	      if (t1 && J.get$length$asx(exports$1) <= 0)
  	        return _null;
  	      array = t1 ? exports$1 : _null;
  	      if (t1) {
  	        for (t1 = J.get$iterator$ax(array); t1.moveNext$0();) {
  	          value = t1.get$current(t1);
  	          if (value == null)
  	            continue;
  	          _2_0 = this._packageTargetResolve$4(subpath, value, packageRoot, patternMatch);
  	          if (_2_0 != null)
  	            return _2_0;
  	        }
  	        return _null;
  	      }
  	      throw A.wrapException("Invalid 'exports' value " + A.S(exports$1) + " in " + A.join(packageRoot, "package.json", _null) + ".");
  	    },
  	    _packageTargetResolve$3(subpath, exports$1, packageRoot) {
  	      return this._packageTargetResolve$4(subpath, exports$1, packageRoot, null);
  	    },
  	    _getMainExport$1(exports$1) {
  	      var t1, t2, t3, map, _0_4, t4, $export;
  	      $label0$0: {
  	        t1 = null;
  	        if (typeof exports$1 == "string") {
  	          t1 = exports$1;
  	          break $label0$0;
  	        }
  	        if (type$.List_String._is(exports$1)) {
  	          t1 = exports$1;
  	          break $label0$0;
  	        }
  	        t2 = type$.Map_String_dynamic._is(exports$1);
  	        if (t2) {
  	          t3 = exports$1.get$keys(exports$1);
  	          t3 = !t3.any$1(t3, new A.NodePackageImporter__getMainExport_closure());
  	          map = exports$1;
  	        } else {
  	          map = t1;
  	          t3 = false;
  	        }
  	        if (t3) {
  	          t1 = map;
  	          break $label0$0;
  	        }
  	        t3 = false;
  	        if (t2) {
  	          _0_4 = exports$1.$index(0, ".");
  	          if (_0_4 == null)
  	            t4 = exports$1.containsKey$1(".");
  	          else
  	            t4 = true;
  	          if (t4)
  	            t3 = _0_4 != null;
  	        } else
  	          _0_4 = null;
  	        if (t3) {
  	          $export = t2 ? _0_4 : exports$1.$index(0, ".");
  	          t1 = $export;
  	          break $label0$0;
  	        }
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _exportsToCheck$2$addIndex(subpath, addIndex) {
  	      var basename, dirname, t3, t4, _i, path,
  	        t1 = type$.JSArray_String,
  	        paths = A._setArrayType([], t1),
  	        t2 = subpath == null;
  	      if (t2 && addIndex)
  	        subpath = "index";
  	      else if (!t2 && addIndex)
  	        subpath = A.join(subpath, "index", null);
  	      if (subpath == null)
  	        return A._setArrayType([null], type$.JSArray_nullable_String);
  	      if (B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(subpath, $.$get$url().style)._splitExtension$1(1)[1]))
  	        paths.push(subpath);
  	      else
  	        B.JSArray_methods.addAll$1(paths, A._setArrayType([subpath, subpath + ".scss", subpath + ".sass", subpath + ".css"], t1));
  	      t1 = $.$get$context();
  	      t2 = t1.style;
  	      basename = A.ParsedPath_ParsedPath$parse(subpath, t2).get$basename();
  	      dirname = t1.dirname$1(subpath);
  	      if (B.JSString_methods.startsWith$1(basename, "_"))
  	        return paths;
  	      t1 = A.List_List$_of(paths, type$.nullable_String);
  	      for (t3 = paths.length, t4 = dirname === ".", _i = 0; _i < paths.length; paths.length === t3 || (0, A.throwConcurrentModificationError)(paths), ++_i) {
  	        path = paths[_i];
  	        if (t4)
  	          t1.push("_" + A.ParsedPath_ParsedPath$parse(path, t2).get$basename());
  	        else
  	          t1.push(A.join(dirname, "_" + A.ParsedPath_ParsedPath$parse(path, t2).get$basename(), null));
  	      }
  	      return t1;
  	    },
  	    _exportsToCheck$1(subpath) {
  	      return this._exportsToCheck$2$addIndex(subpath, false);
  	    }
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure0.prototype = {
  	    call$1(key) {
  	      return !B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure1.prototype = {
  	    call$1(key) {
  	      return '"' + key + '"';
  	    },
  	    $signature: 6
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure2.prototype = {
  	    call$1(variant) {
  	      var t1, t2, matchKey, t3, t4, t5, _i, expansionKey, _0_0, t6, patternBase, patternTrailer, t7, target, _this = this, _null = null;
  	      if (variant == null) {
  	        t1 = _this.$this;
  	        return A.NullableExtension_andThen(t1._getMainExport$1(_this.exports), new A.NodePackageImporter__nodePackageExportsResolve__closure(t1, variant, _this.packageRoot));
  	      } else {
  	        t1 = _this.exports;
  	        if (type$.Map_String_dynamic._is(t1)) {
  	          t2 = t1.get$keys(t1);
  	          t2 = t2.every$1(t2, new A.NodePackageImporter__nodePackageExportsResolve__closure0());
  	        } else
  	          t2 = true;
  	        if (t2)
  	          return _null;
  	      }
  	      matchKey = "./" + $.$get$context().toUri$1(variant).toString$0(0);
  	      if (t1.containsKey$1(matchKey) && t1.$index(0, matchKey) != null && !B.JSString_methods.contains$1(matchKey, "*")) {
  	        t1 = t1.$index(0, matchKey);
  	        if (t1 == null)
  	          t1 = A._asObject(t1);
  	        return _this.$this._packageTargetResolve$3(matchKey, t1, _this.packageRoot);
  	      }
  	      t2 = A._setArrayType([], type$.JSArray_String);
  	      for (t3 = t1.get$keys(t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        if (B.JSString_methods.allMatches$1("*", t4).get$length(0) === 1)
  	          t2.push(t4);
  	      }
  	      t3 = _this.$this;
  	      B.JSArray_methods.sort$1(t2, t3.get$_compareExpansionKeys());
  	      for (t4 = t2.length, t5 = matchKey.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        expansionKey = t2[_i];
  	        _0_0 = expansionKey.split("*");
  	        t6 = _0_0.length === 2;
  	        if (t6) {
  	          patternBase = _0_0[0];
  	          patternTrailer = _0_0[1];
  	        } else {
  	          patternTrailer = _null;
  	          patternBase = patternTrailer;
  	        }
  	        if (!t6)
  	          throw A.wrapException(A.StateError$("Pattern matching error"));
  	        if (!B.JSString_methods.startsWith$1(matchKey, patternBase))
  	          continue;
  	        if (matchKey === patternBase)
  	          continue;
  	        t6 = patternTrailer.length;
  	        if (t6 !== 0)
  	          t7 = B.JSString_methods.endsWith$1(matchKey, patternTrailer) && t5 >= expansionKey.length;
  	        else
  	          t7 = true;
  	        if (t7) {
  	          target = t1.$index(0, expansionKey);
  	          if (target == null)
  	            continue;
  	          return t3._packageTargetResolve$4(variant, target, _this.packageRoot, B.JSString_methods.substring$2(matchKey, patternBase.length, t5 - t6));
  	        }
  	      }
  	      return _null;
  	    },
  	    $signature: 146
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve__closure.prototype = {
  	    call$1(mainExport) {
  	      return this.$this._packageTargetResolve$3(this.variant, mainExport, this.packageRoot);
  	    },
  	    $signature: 147
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve__closure0.prototype = {
  	    call$1(key) {
  	      return !B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__getMainExport_closure.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.ImporterResult.prototype = {
  	    get$sourceMapUrl(_) {
  	      return this._sourceMapUrl;
  	    }
  	  };
  	  A.resolveImportPath_closure.prototype = {
  	    call$0() {
  	      return A._exactlyOne(A._tryPath($.$get$context().withoutExtension$1(this.path) + ".import" + this.extension));
  	    },
  	    $signature: 47
  	  };
  	  A.resolveImportPath_closure0.prototype = {
  	    call$0() {
  	      return A._exactlyOne(A._tryPathWithExtensions(this.path + ".import"));
  	    },
  	    $signature: 47
  	  };
  	  A._tryPathAsDirectory_closure.prototype = {
  	    call$0() {
  	      return A._exactlyOne(A._tryPathWithExtensions(A.join(this.path, "index.import", null)));
  	    },
  	    $signature: 47
  	  };
  	  A._exactlyOne_closure.prototype = {
  	    call$1(path) {
  	      var t1 = $.$get$context();
  	      return "  " + t1.prettyUri$1(t1.toUri$1(path));
  	    },
  	    $signature: 6
  	  };
  	  A.InterpolationBuffer.prototype = {
  	    writeCharCode$1(character) {
  	      var t1 = this._interpolation_buffer$_text,
  	        t2 = A.Primitives_stringFromCharCode(character);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    add$2(_, expression, span) {
  	      this._flushText$0();
  	      this._interpolation_buffer$_contents.push(expression);
  	      this._spans.push(span);
  	    },
  	    addInterpolation$1(interpolation) {
  	      var spansToAdd, _0_4_isSet, _0_4, first, rest, t2, t3, _this = this,
  	        toAdd = interpolation.contents,
  	        t1 = toAdd.length;
  	      if (t1 === 0)
  	        return;
  	      spansToAdd = interpolation.spans;
  	      _0_4_isSet = t1 >= 1;
  	      if (_0_4_isSet) {
  	        _0_4 = toAdd[0];
  	        t1 = typeof _0_4 == "string";
  	      } else {
  	        _0_4 = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        first = A._asString(_0_4_isSet ? _0_4 : toAdd[0]);
  	        rest = B.JSArray_methods.sublist$1(toAdd, 1);
  	        t1 = _this._interpolation_buffer$_text;
  	        t1._contents += first;
  	        spansToAdd = A.SubListIterable$(spansToAdd, 1, null, A._arrayInstanceType(spansToAdd)._precomputed1);
  	        toAdd = rest;
  	      }
  	      _this._flushText$0();
  	      t1 = _this._interpolation_buffer$_contents;
  	      B.JSArray_methods.addAll$1(t1, toAdd);
  	      t2 = _this._spans;
  	      B.JSArray_methods.addAll$1(t2, spansToAdd);
  	      if (typeof B.JSArray_methods.get$last(t1) == "string") {
  	        t3 = _this._interpolation_buffer$_text;
  	        t1 = A.S(t1.pop());
  	        t3._contents += t1;
  	        t2.pop();
  	      }
  	    },
  	    _flushText$0() {
  	      var t1 = this._interpolation_buffer$_text,
  	        t2 = t1._contents;
  	      if (t2.length === 0)
  	        return;
  	      this._interpolation_buffer$_contents.push(t2.charCodeAt(0) == 0 ? t2 : t2);
  	      this._spans.push(null);
  	      t1._contents = "";
  	    },
  	    interpolation$1(span) {
  	      var t1 = A.List_List$_of(this._interpolation_buffer$_contents, type$.Object),
  	        t2 = this._interpolation_buffer$_text,
  	        t3 = t2._contents;
  	      if (t3.length !== 0)
  	        t1.push(t3.charCodeAt(0) == 0 ? t3 : t3);
  	      t3 = A.List_List$_of(this._spans, type$.nullable_FileSpan);
  	      if (t2._contents.length !== 0)
  	        t3.push(null);
  	      return A.Interpolation$(t1, t3, span);
  	    },
  	    toString$0(_) {
  	      var t1, t2, _i, t3, element;
  	      for (t1 = this._interpolation_buffer$_contents, t2 = t1.length, _i = 0, t3 = ""; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        element = t1[_i];
  	        t3 = typeof element == "string" ? t3 + element : t3 + "#{" + A.S(element) + A.Primitives_stringFromCharCode(125);
  	      }
  	      t1 = t3 + this._interpolation_buffer$_text.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.InterpolationMap.prototype = {
  	    mapException$1(error) {
  	      var source, startIndex, endIndex, t3, t4, _this = this,
  	        target = error.get$span(error),
  	        t1 = _this._interpolation,
  	        t2 = t1.contents;
  	      if (t2.length === 0) {
  	        if (_this._isMapped$1(target))
  	          return error;
  	        return new A.SourceSpanFormatException(error.get$source(), error._span_exception$_message, t1.span);
  	      }
  	      source = _this.mapSpan$1(target);
  	      if (source === target)
  	        return error;
  	      startIndex = _this._indexInContents$1(target.get$start(target));
  	      endIndex = _this._indexInContents$1(target.get$end(target));
  	      t1 = error._span_exception$_message;
  	      if (!A.SubListIterable$(t2, startIndex, null, A._arrayInstanceType(t2)._precomputed1).take$1(0, endIndex - startIndex + 1).any$1(0, new A.InterpolationMap_mapException_closure()))
  	        return new A.SourceSpanFormatException(error.get$source(), t1, source);
  	      else {
  	        t2 = type$.SourceSpan;
  	        t3 = type$.String;
  	        t4 = A.LinkedHashMap_LinkedHashMap$_literal([target, "error in interpolated output"], t2, t3);
  	        return new A.MultiSourceSpanFormatException(error.get$source(), "", A.ConstantMap_ConstantMap$from(t4, t2, t3), t1, source);
  	      }
  	    },
  	    mapSpan$1(target) {
  	      var _0_1, _0_2, t1, _0_2_isSet, t2, start, _0_20, end, _this = this, _null = null;
  	      if (_this._isMapped$1(target))
  	        return target;
  	      _0_1 = _this._mapLocation$1(target.get$start(target));
  	      _0_2 = _this._mapLocation$1(target.get$end(target));
  	      $label0$0: {
  	        t1 = type$.FileSpan;
  	        _0_2_isSet = t1._is(_0_1);
  	        t2 = false;
  	        if (_0_2_isSet) {
  	          t2 = t1._is(_0_2);
  	          start = _0_1;
  	          _0_20 = _0_2;
  	        } else {
  	          start = _null;
  	          _0_20 = start;
  	        }
  	        if (t2) {
  	          t1 = start.expand$1(0, t1._as(_0_2_isSet ? _0_20 : _0_2));
  	          break $label0$0;
  	        }
  	        t2 = false;
  	        if (t1._is(_0_1)) {
  	          if (_0_2_isSet)
  	            t2 = _0_20;
  	          else {
  	            t2 = _0_2;
  	            _0_20 = t2;
  	            _0_2_isSet = true;
  	          }
  	          t2 = t2 instanceof A.FileLocation;
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t2) {
  	          t1 = _0_2_isSet ? _0_20 : _0_2;
  	          type$.FileLocation._as(t1);
  	          t2 = _this._interpolation.span;
  	          t1 = t2.get$file(t2).span$2(0, _this._expandInterpolationSpanLeft$1(start.get$start(start)), t1.offset);
  	          break $label0$0;
  	        }
  	        t2 = false;
  	        if (_0_1 instanceof A.FileLocation) {
  	          if (_0_2_isSet)
  	            t2 = _0_20;
  	          else {
  	            t2 = _0_2;
  	            _0_20 = t2;
  	            _0_2_isSet = true;
  	          }
  	          t2 = t1._is(t2);
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t2) {
  	          end = t1._as(_0_2_isSet ? _0_20 : _0_2);
  	          t1 = _this._interpolation.span;
  	          t1 = t1.get$file(t1).span$2(0, start.offset, _this._expandInterpolationSpanRight$1(end.get$end(end)));
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_1 instanceof A.FileLocation) {
  	          if (_0_2_isSet)
  	            t1 = _0_20;
  	          else {
  	            t1 = _0_2;
  	            _0_20 = t1;
  	            _0_2_isSet = true;
  	          }
  	          t1 = t1 instanceof A.FileLocation;
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t1) {
  	          t1 = _0_2_isSet ? _0_20 : _0_2;
  	          type$.FileLocation._as(t1);
  	          t2 = _this._interpolation.span;
  	          t1 = t2.get$file(t2).span$2(0, start.offset, t1.offset);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression("[BUG] Unreachable");
  	      }
  	      return t1;
  	    },
  	    _isMapped$1(span) {
  	      var file, t1;
  	      $label0$0: {
  	        file = span.get$file(span);
  	        t1 = this._interpolation.span;
  	        t1 = t1.get$file(t1);
  	        break $label0$0;
  	      }
  	      return file === t1;
  	    },
  	    _mapLocation$1(target) {
  	      var index, _0_0, t3, previousLocation, _this = this,
  	        t1 = _this._interpolation,
  	        t2 = t1.contents;
  	      if (t2.length === 0)
  	        return t1.span;
  	      index = _this._indexInContents$1(target);
  	      _0_0 = t2[index];
  	      if (_0_0 instanceof A.Expression)
  	        return _0_0.get$span(_0_0);
  	      t3 = index === 0;
  	      t1 = t1.span;
  	      if (t3)
  	        previousLocation = t1.get$start(t1);
  	      else {
  	        t1 = t1.get$file(t1);
  	        t2 = type$.Expression._as(t2[index - 1]);
  	        t2 = t2.get$span(t2);
  	        previousLocation = A.FileLocation$_(t1, _this._expandInterpolationSpanRight$1(t2.get$end(t2)));
  	      }
  	      t1 = t3 ? 0 : _this._targetOffsets[index - 1];
  	      return A.FileLocation$_(previousLocation.file, previousLocation.offset + (target.offset - t1));
  	    },
  	    _indexInContents$1(target) {
  	      var t1, t2, t3, i;
  	      for (t1 = this._targetOffsets, t2 = t1.length, t3 = target.offset, i = 0; i < t2; ++i)
  	        if (t3 < t1[i])
  	          return i;
  	      return this._interpolation.contents.length - 1;
  	    },
  	    _expandInterpolationSpanLeft$1(start) {
  	      var i0, prev, char,
  	        source = start.file._decodedChars,
  	        i = start.offset - 1;
  	      while (i >= 0) {
  	        i0 = i - 1;
  	        prev = source[i];
  	        if (prev === 123) {
  	          if (source[i0] === 35) {
  	            i = i0;
  	            break;
  	          }
  	          i = i0;
  	        } else if (prev === 47) {
  	          i = i0 - 1;
  	          if (source[i0] === 42)
  	            for (;;) {
  	              i0 = i - 1;
  	              if (source[i] !== 42) {
  	                i = i0;
  	                continue;
  	              }
  	              i = i0;
  	              do {
  	                i0 = i - 1;
  	                char = source[i];
  	                if (char === 42) {
  	                  i = i0;
  	                  continue;
  	                } else
  	                  break;
  	              } while (true);
  	              if (char === 47) {
  	                i = i0;
  	                break;
  	              }
  	              i = i0;
  	            }
  	        } else
  	          i = i0;
  	      }
  	      return i;
  	    },
  	    _expandInterpolationSpanRight$1(end) {
  	      var t1, i0, next, second, t2, char,
  	        source = end.file._decodedChars,
  	        i = end.offset;
  	      for (t1 = source.length; i < t1;) {
  	        i0 = i + 1;
  	        next = source[i];
  	        if (next === 125) {
  	          i = i0;
  	          break;
  	        }
  	        if (next === 47) {
  	          i = i0 + 1;
  	          second = source[i0];
  	          if (second === 47) {
  	            for (;;) {
  	              i0 = i + 1;
  	              t2 = source[i];
  	              if (!!(t2 === 10 || t2 === 13 || t2 === 12))
  	                break;
  	              i = i0;
  	            }
  	            i = i0;
  	          } else if (second === 42)
  	            for (;;) {
  	              i0 = i + 1;
  	              if (source[i] !== 42) {
  	                i = i0;
  	                continue;
  	              }
  	              i = i0;
  	              do {
  	                i0 = i + 1;
  	                char = source[i];
  	                if (char === 42) {
  	                  i = i0;
  	                  continue;
  	                } else
  	                  break;
  	              } while (true);
  	              if (char === 47) {
  	                i = i0;
  	                break;
  	              }
  	              i = i0;
  	            }
  	        } else
  	          i = i0;
  	      }
  	      return i;
  	    }
  	  };
  	  A.InterpolationMap_mapException_closure.prototype = {
  	    call$1($content) {
  	      return $content instanceof A.Expression;
  	    },
  	    $signature: 73
  	  };
  	  A._realCasePath_helper.prototype = {
  	    call$2(path, realPath) {
  	      var dirname = $.$get$context().dirname$1(path);
  	      if (dirname === path)
  	        return path;
  	      return $._realCaseCache.putIfAbsent$2(path, new A._realCasePath_helper_closure(path, realPath, this, dirname));
  	    },
  	    call$1(path) {
  	      return this.call$2(path, null);
  	    },
  	    $signature: 149
  	  };
  	  A._realCasePath_helper_closure.prototype = {
  	    call$0() {
  	      var realPathNonNull, realDirname, basename, matches, t1, _0_0, match, realPathNonNull0, _this = this,
  	        t2 = _this.path;
  	      if (!A.linkExists(t2)) {
  	        realPathNonNull = null;
  	        try {
  	          realPathNonNull0 = _this.realPath;
  	          realPathNonNull = realPathNonNull0 == null ? A.realpath(t2) : realPathNonNull0;
  	        } catch (exception) {
  	          if (A.unwrapException(exception) instanceof A.FileSystemException)
  	            return t2;
  	          else
  	            throw exception;
  	        }
  	        t1 = realPathNonNull;
  	        t2 = $.$get$context();
  	        return A.join(_this.helper.call$2(_this.dirname, t2.dirname$1(t1)), A.ParsedPath_ParsedPath$parse(realPathNonNull, t2.style).get$basename(), null);
  	      }
  	      realDirname = _this.helper.call$1(_this.dirname);
  	      basename = A.ParsedPath_ParsedPath$parse(t2, $.$get$context().style).get$basename();
  	      try {
  	        matches = J.where$1$ax(A.listDir(realDirname, false), new A._realCasePath_helper__closure(basename)).toList$0(0);
  	        t1 = null;
  	        _0_0 = matches;
  	        $label0$0: {
  	          match = null;
  	          if (J.get$length$asx(_0_0) === 1) {
  	            match = J.$index$asx(_0_0, 0);
  	            t1 = match;
  	            break $label0$0;
  	          }
  	          t1 = A.join(realDirname, basename, null);
  	          break $label0$0;
  	        }
  	        t1 = t1;
  	        return t1;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.FileSystemException)
  	          return t2;
  	        else
  	          throw exception;
  	      }
  	    },
  	    $signature: 29
  	  };
  	  A._realCasePath_helper__closure.prototype = {
  	    call$1(realPath) {
  	      return A.equalsIgnoreCase(A.ParsedPath_ParsedPath$parse(realPath, $.$get$context().style).get$basename(), this.basename);
  	    },
  	    $signature: 4
  	  };
  	  A.FileSystemException.prototype = {
  	    toString$0(_) {
  	      var t1 = $.$get$context();
  	      return t1.prettyUri$1(t1.toUri$1(this.path)) + ": " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A._readFile_closure.prototype = {
  	    call$0() {
  	      return J.readFileSync$2$x(A.fs(), this.path, this.encoding);
  	    },
  	    $signature: 64
  	  };
  	  A.writeFile_closure.prototype = {
  	    call$0() {
  	      return J.writeFileSync$2$x(A.fs(), this.path, this.contents);
  	    },
  	    $signature: 0
  	  };
  	  A.deleteFile_closure.prototype = {
  	    call$0() {
  	      return J.unlinkSync$1$x(A.fs(), this.path);
  	    },
  	    $signature: 0
  	  };
  	  A.readStdin_closure.prototype = {
  	    call$1(result) {
  	      this._box_0.contents = result;
  	      this.completer.complete$1(result);
  	    },
  	    $signature: 90
  	  };
  	  A.readStdin_closure0.prototype = {
  	    call$1(chunk) {
  	      this.sink.add$1(0, type$.List_int._as(chunk));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 0,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 84
  	  };
  	  A.readStdin_closure1.prototype = {
  	    call$1(arg) {
  	      this.sink.close$0(0);
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 0,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 84
  	  };
  	  A.readStdin_closure2.prototype = {
  	    call$1(e) {
  	      A.printError("Failed to read from stdin");
  	      A.printError(e);
  	      e.toString;
  	      this.completer.completeError$1(e);
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 0,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 84
  	  };
  	  A.fileExists_closure.prototype = {
  	    call$0() {
  	      var error, systemError, t1 = this.path;
  	      if (!J.existsSync$1$x(A.fs(), t1))
  	        return false;
  	      try {
  	        t1 = J.isFile$0$x(J.statSync$1$x(A.fs(), t1));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.dirExists_closure.prototype = {
  	    call$0() {
  	      var error, systemError, t1 = this.path;
  	      if (!J.existsSync$1$x(A.fs(), t1))
  	        return false;
  	      try {
  	        t1 = J.isDirectory$0$x(J.statSync$1$x(A.fs(), t1));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.linkExists_closure.prototype = {
  	    call$0() {
  	      var error, systemError, t1;
  	      try {
  	        t1 = J.isSymbolicLink$0$x(J.lstatSync$1$x(A.fs(), this.path));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.ensureDir_closure.prototype = {
  	    call$0() {
  	      var error, systemError, t1;
  	      try {
  	        J.mkdirSync$1$x(A.fs(), this.path);
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "EEXIST"))
  	          return;
  	        if (!J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          throw exception;
  	        t1 = this.path;
  	        A.ensureDir($.$get$context().dirname$1(t1));
  	        J.mkdirSync$1$x(A.fs(), t1);
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A.listDir_closure.prototype = {
  	    call$0() {
  	      var t1 = this.path;
  	      if (!this.recursive)
  	        return J.map$1$1$ax(J.readdirSync$1$x(A.fs(), t1), new A.listDir__closure(t1), type$.String).super$Iterable$where(0, new A.listDir__closure0());
  	      else
  	        return new A.listDir_closure_list().call$1(t1);
  	    },
  	    $signature: 152
  	  };
  	  A.listDir__closure.prototype = {
  	    call$1(child) {
  	      return A.join(this.path, A._asString(child), null);
  	    },
  	    $signature: 134
  	  };
  	  A.listDir__closure0.prototype = {
  	    call$1(child) {
  	      return !A.dirExists(child);
  	    },
  	    $signature: 4
  	  };
  	  A.listDir_closure_list.prototype = {
  	    call$1($parent) {
  	      return J.expand$1$1$ax(J.readdirSync$1$x(A.fs(), $parent), new A.listDir__list_closure($parent, this), type$.String);
  	    },
  	    $signature: 153
  	  };
  	  A.listDir__list_closure.prototype = {
  	    call$1(child) {
  	      var path = A.join(this.parent, A._asString(child), null);
  	      return A.dirExists(path) ? this.list.call$1(path) : A._setArrayType([path], type$.JSArray_String);
  	    },
  	    $signature: 154
  	  };
  	  A.realpath_closure.prototype = {
  	    call$0() {
  	      return J.native$1$x(J.get$realpathSync$x(A.fs()), this.path);
  	    },
  	    $signature: 29
  	  };
  	  A.modificationTime_closure.prototype = {
  	    call$0() {
  	      return A.DateTime$fromMillisecondsSinceEpoch(J.getTime$0$x(J.get$mtime$x(J.statSync$1$x(A.fs(), this.path))));
  	    },
  	    $signature: 155
  	  };
  	  A.watchDir_closure0.prototype = {
  	    call$2(error, events) {
  	      var t1, t2, t3, t4, t5, lastEvent;
  	      if (error != null) {
  	        t1 = this._box_0.controller;
  	        if (t1 != null)
  	          t1.addError$1(error);
  	      } else
  	        for (t1 = J.get$iterator$ax(events), t2 = this._box_0; t1.moveNext$0();) {
  	          t3 = t1.get$current(t1);
  	          switch (t3.type) {
  	            case "create":
  	              t4 = t2.controller;
  	              if (t4 != null) {
  	                t3 = new A.WatchEvent(B.ChangeType_add, t3.path);
  	                t5 = t4._state;
  	                if (t5 >= 4)
  	                  A.throwExpression(t4._badEventState$0());
  	                if ((t5 & 1) !== 0)
  	                  t4._sendData$1(t3);
  	                else if ((t5 & 3) === 0) {
  	                  t4 = t4._ensurePendingEvents$0();
  	                  t3 = new A._DelayedData(t3);
  	                  lastEvent = t4.lastPendingEvent;
  	                  if (lastEvent == null)
  	                    t4.firstPendingEvent = t4.lastPendingEvent = t3;
  	                  else {
  	                    lastEvent.set$next(t3);
  	                    t4.lastPendingEvent = t3;
  	                  }
  	                }
  	              }
  	              break;
  	            case "update":
  	              t4 = t2.controller;
  	              if (t4 != null) {
  	                t3 = new A.WatchEvent(B.ChangeType_modify, t3.path);
  	                t5 = t4._state;
  	                if (t5 >= 4)
  	                  A.throwExpression(t4._badEventState$0());
  	                if ((t5 & 1) !== 0)
  	                  t4._sendData$1(t3);
  	                else if ((t5 & 3) === 0) {
  	                  t4 = t4._ensurePendingEvents$0();
  	                  t3 = new A._DelayedData(t3);
  	                  lastEvent = t4.lastPendingEvent;
  	                  if (lastEvent == null)
  	                    t4.firstPendingEvent = t4.lastPendingEvent = t3;
  	                  else {
  	                    lastEvent.set$next(t3);
  	                    t4.lastPendingEvent = t3;
  	                  }
  	                }
  	              }
  	              break;
  	            case "delete":
  	              t4 = t2.controller;
  	              if (t4 != null) {
  	                t3 = new A.WatchEvent(B.ChangeType_remove, t3.path);
  	                t5 = t4._state;
  	                if (t5 >= 4)
  	                  A.throwExpression(t4._badEventState$0());
  	                if ((t5 & 1) !== 0)
  	                  t4._sendData$1(t3);
  	                else if ((t5 & 3) === 0) {
  	                  t4 = t4._ensurePendingEvents$0();
  	                  t3 = new A._DelayedData(t3);
  	                  lastEvent = t4.lastPendingEvent;
  	                  if (lastEvent == null)
  	                    t4.firstPendingEvent = t4.lastPendingEvent = t3;
  	                  else {
  	                    lastEvent.set$next(t3);
  	                    t4.lastPendingEvent = t3;
  	                  }
  	                }
  	              }
  	              break;
  	          }
  	        }
  	    },
  	    $signature: 344
  	  };
  	  A.watchDir_closure.prototype = {
  	    call$0() {
  	      this.subscription.unsubscribe();
  	    },
  	    $signature: 1
  	  };
  	  A.watchDir_closure1.prototype = {
  	    call$2(path, _) {
  	      var t1 = this._box_0.controller;
  	      return t1 == null ? null : t1.add$1(0, new A.WatchEvent(B.ChangeType_add, path));
  	    },
  	    call$1(path) {
  	      return this.call$2(path, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 156
  	  };
  	  A.watchDir_closure2.prototype = {
  	    call$2(path, _) {
  	      var t1 = this._box_0.controller;
  	      return t1 == null ? null : t1.add$1(0, new A.WatchEvent(B.ChangeType_modify, path));
  	    },
  	    call$1(path) {
  	      return this.call$2(path, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 156
  	  };
  	  A.watchDir_closure3.prototype = {
  	    call$1(path) {
  	      var t1 = this._box_0.controller;
  	      return t1 == null ? null : t1.add$1(0, new A.WatchEvent(B.ChangeType_remove, path));
  	    },
  	    $signature: 90
  	  };
  	  A.watchDir_closure4.prototype = {
  	    call$1(error) {
  	      var t1 = this._box_0.controller;
  	      return t1 == null ? null : t1.addError$1(error);
  	    },
  	    $signature: 97
  	  };
  	  A.watchDir_closure5.prototype = {
  	    call$0() {
  	      var controller = A.StreamController_StreamController(new A.watchDir__closure(this.watcher), null, null, null, false, type$.WatchEvent);
  	      this._box_0.controller = controller;
  	      this.completer.complete$1(new A._ControllerStream(controller, A._instanceType(controller)._eval$1("_ControllerStream<1>")));
  	    },
  	    $signature: 1
  	  };
  	  A.watchDir__closure.prototype = {
  	    call$0() {
  	      J.close$0$x(this.watcher);
  	    },
  	    $signature: 1
  	  };
  	  A.JSArray0.prototype = {};
  	  A.Chokidar.prototype = {};
  	  A.ChokidarOptions.prototype = {};
  	  A.ChokidarWatcher.prototype = {};
  	  A.JSFunction.prototype = {};
  	  A.ImmutableList.prototype = {};
  	  A.ImmutableMap.prototype = {};
  	  A.NodeImporterResult.prototype = {};
  	  A.RenderContext.prototype = {};
  	  A.RenderContextOptions.prototype = {};
  	  A.RenderContextResult.prototype = {};
  	  A.RenderContextResultStats.prototype = {};
  	  A.JSModule.prototype = {};
  	  A.JSModuleRequire.prototype = {};
  	  A.ParcelWatcher_subscribe_closure.prototype = {
  	    call$2(error, events) {
  	      var t1 = type$.List_JSObject._is(events) ? events : new A.CastList(events, A._arrayInstanceType(events)._eval$1("CastList<1,JSObject>"));
  	      this.callback.call$2(error, t1);
  	    },
  	    $signature: 385
  	  };
  	  A.JSClass.prototype = {};
  	  A.JSUrl.prototype = {};
  	  A._PropertyDescriptor.prototype = {};
  	  A._RequireMain.prototype = {};
  	  A.LoggerWithDeprecationType.prototype = {
  	    warn$4$deprecation$span$trace(_, message, deprecation, span, trace) {
  	      this.internalWarn$4$deprecation$span$trace(message, deprecation ? B.Deprecation_5Ka : null, span, trace);
  	    },
  	    warn$1(_, message) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, null, null);
  	    },
  	    warn$3$span$trace(_, message, span, trace) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, span, trace);
  	    }
  	  };
  	  A._QuietLogger.prototype = {
  	    warn$4$deprecation$span$trace(_, message, deprecation, span, trace) {
  	    },
  	    warn$1(_, message) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, null, null);
  	    },
  	    warn$3$span$trace(_, message, span, trace) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	    }
  	  };
  	  A.DefaultLogger.prototype = {
  	    get$_default$_inner() {
  	      var t1 = $._default;
  	      if (t1 == null)
  	        t1 = $._default = new A.StderrLogger(A.hasTerminal() || A.isBrowser());
  	      return t1;
  	    },
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      return this.get$_default$_inner().internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	      return this.get$_default$_inner().debug$2(0, message, span);
  	    }
  	  };
  	  A.DeprecationProcessingLogger.prototype = {
  	    validate$0() {
  	      var t1, t2, t3, $self, t4, t5, _this = this, _null = null;
  	      for (t1 = _this.fatalDeprecations, t1 = t1.get$iterator(t1), t2 = _this.silenceDeprecations; t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        $self = t3._obsoleteIn;
  	        if ($self == null)
  	          t4 = _null;
  	        else
  	          t4 = A.Version___parse_tearOff($self);
  	        if (t4 instanceof A.Version) {
  	          t3 = t3.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace(t3 + string$.x20deprex20ix2c, _null, _null, _null);
  	          continue;
  	        }
  	        t4 = t2.contains$1(0, t3);
  	        if (t4) {
  	          t3 = t3.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace("Ignoring setting to silence " + t3 + string$.x20deprex2c, _null, _null, _null);
  	          continue;
  	        }
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, A._instanceType(t2)._precomputed1), t2 = t1.$ti._precomputed1, t3 = _this.futureDeprecations; t1.moveNext$0();) {
  	        t4 = t1._collection$_current;
  	        if (t4 == null)
  	          t4 = t2._as(t4);
  	        if (B.Deprecation_5Ka === t4) {
  	          _this.internalWarn$4$deprecation$span$trace(string$.User_a, _null, _null, _null);
  	          continue;
  	        }
  	        $self = t4._obsoleteIn;
  	        if ($self == null)
  	          t5 = _null;
  	        else
  	          t5 = A.Version___parse_tearOff($self);
  	        if (t5 instanceof A.Version) {
  	          t4 = t4.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace(t4 + string$.x20deprex20ix2e, _null, _null, _null);
  	          continue;
  	        }
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, A._instanceType(t3)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        t3 = (t3 == null ? t2._as(t3) : t3).toString$0(0);
  	        _this.internalWarn$4$deprecation$span$trace(t3 + string$.x20is_noaf, _null, _null, _null);
  	      }
  	    },
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      if (deprecation != null)
  	        this._handleDeprecation$4$span$trace(deprecation, message, span, trace);
  	      else
  	        this._inner.warn$3$span$trace(0, message, span, trace);
  	    },
  	    _handleDeprecation$4$span$trace(deprecation, message, span, trace) {
  	      var _0_3_isSet, t1, span0, _0_3, t2, count, _1_0, _this = this, _null = null;
  	      if (_this.fatalDeprecations.contains$1(0, deprecation)) {
  	        message += string$.x0a_This + deprecation.toString$0(0) + string$.x20deprex20t;
  	        $label0$0: {
  	          _0_3_isSet = span != null;
  	          t1 = false;
  	          if (_0_3_isSet) {
  	            t1 = trace != null;
  	            span0 = span;
  	            _0_3 = trace;
  	          } else {
  	            span0 = _null;
  	            _0_3 = span0;
  	          }
  	          if (t1) {
  	            if (_0_3_isSet)
  	              trace = _0_3;
  	            t1 = A.SassRuntimeException$(message, span0, trace == null ? type$.Trace._as(trace) : trace, _null);
  	            break $label0$0;
  	          }
  	          t1 = false;
  	          if (span != null)
  	            t1 = (_0_3_isSet ? _0_3 : trace) == null;
  	          else
  	            span = _null;
  	          if (t1) {
  	            t1 = A.SassException$(message, span, _null);
  	            break $label0$0;
  	          }
  	          t1 = A.SassScriptException$(message, _null);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(t1);
  	      }
  	      if (_this.silenceDeprecations.contains$1(0, deprecation))
  	        return;
  	      if (_this.limitRepetition) {
  	        t1 = _this._warningCounts;
  	        t2 = t1.$index(0, deprecation);
  	        count = (t2 == null ? 0 : t2) + 1;
  	        t1.$indexSet(0, deprecation, count);
  	        if (count > 5)
  	          return;
  	      }
  	      _1_0 = _this._inner;
  	      if (_1_0 instanceof A.LoggerWithDeprecationType)
  	        _1_0.internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	      else
  	        _1_0.warn$4$deprecation$span$trace(0, message, true, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	      return this._inner.debug$2(0, message, span);
  	    },
  	    summarize$1$js(js) {
  	      var t1 = this._warningCounts,
  	        t2 = A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>"),
  	        total = A.IterableIntegerExtension_get_sum(new A.MappedIterable(new A.WhereIterable(new A.LinkedHashMapValuesIterable(t1, t2), new A.DeprecationProcessingLogger_summarize_closure(), t2._eval$1("WhereIterable<Iterable.E>")), new A.DeprecationProcessingLogger_summarize_closure0(), t2._eval$1("MappedIterable<Iterable.E,int>")));
  	      if (total > 0) {
  	        t1 = js ? "" : string$.x0aRun_i;
  	        this._inner.warn$1(0, "" + total + string$.x20repet + t1);
  	      }
  	    }
  	  };
  	  A.DeprecationProcessingLogger_summarize_closure.prototype = {
  	    call$1(count) {
  	      return count > 5;
  	    },
  	    $signature: 50
  	  };
  	  A.DeprecationProcessingLogger_summarize_closure0.prototype = {
  	    call$1(count) {
  	      return count - 5;
  	    },
  	    $signature: 157
  	  };
  	  A.StderrLogger.prototype = {
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      var t3,
  	        result = new A.StringBuffer(""),
  	        t1 = deprecation != null,
  	        showDeprecation = t1 && deprecation !== B.Deprecation_5Ka,
  	        t2 = this.color;
  	      if (t2) {
  	        t3 = result._contents = "\x1b[33m\x1b[1m";
  	        t3 = result._contents = (t1 ? result._contents = "\x1b[33m\x1b[1mDeprecation " : t3) + "Warning\x1b[0m";
  	        if (showDeprecation) {
  	          t1 = t3 + (" [\x1b[34m" + deprecation.toString$0(0) + "\x1b[0m]");
  	          result._contents = t1;
  	        } else
  	          t1 = t3;
  	      } else {
  	        t3 = result._contents = (t1 ? result._contents = "DEPRECATION " : "") + "WARNING";
  	        if (showDeprecation) {
  	          t1 = t3 + (" [" + deprecation.toString$0(0) + "]");
  	          result._contents = t1;
  	        } else
  	          t1 = t3;
  	      }
  	      if (span == null)
  	        t1 = result._contents = t1 + (": " + message + "\n");
  	      else if (trace != null) {
  	        t1 += ": " + message + "\n\n" + span.highlight$1$color(t2) + "\n";
  	        result._contents = t1;
  	      } else {
  	        t1 += " on " + span.message$2$color(0, "\n" + message, t2) + "\n";
  	        result._contents = t1;
  	      }
  	      if (trace != null)
  	        result._contents = t1 + (A.indent(B.JSString_methods.trimRight$0(trace.toString$0(0)), 4) + "\n");
  	      A.printError(result);
  	    },
  	    debug$2(_, message, span) {
  	      var url, t1, t2;
  	      if (span.get$start(span).file.url == null)
  	        url = "-";
  	      else {
  	        t1 = span.get$start(span).file.url;
  	        t2 = $.$get$context();
  	        t1.toString;
  	        url = t2.prettyUri$1(t1);
  	      }
  	      t1 = span.get$start(span);
  	      t1 = t1.file.getLine$1(t1.offset);
  	      t2 = this.color ? "\x1b[1mDebug\x1b[0m" : "DEBUG";
  	      t2 = url + ":" + (t1 + 1) + " " + t2 + (": " + message);
  	      A.printError(t2.charCodeAt(0) == 0 ? t2 : t2);
  	    }
  	  };
  	  A.TrackingLogger.prototype = {
  	    warn$4$deprecation$span$trace(_, message, deprecation, span, trace) {
  	      this._emittedWarning = true;
  	      this._tracking$_logger.warn$4$deprecation$span$trace(0, message, deprecation, span, trace);
  	    },
  	    warn$1(_, message) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, null, null);
  	    },
  	    warn$3$span$trace(_, message, span, trace) {
  	      return this.warn$4$deprecation$span$trace(0, message, false, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	      this._emittedDebug = true;
  	      this._tracking$_logger.debug$2(0, message, span);
  	    }
  	  };
  	  A.BuiltInModule.prototype = {
  	    get$upstream() {
  	      return B.List_empty7;
  	    },
  	    get$variableNodes() {
  	      return B.Map_empty3;
  	    },
  	    get$extensionStore() {
  	      return B.C_EmptyExtensionStore;
  	    },
  	    get$css(_) {
  	      return new A.CssStylesheet(B.List_empty3, A.SourceFile$decoded(B.List_empty4, this.url).span$2(0, 0, 0));
  	    },
  	    get$preModuleComments() {
  	      return B.Map_empty1;
  	    },
  	    get$transitivelyContainsCss() {
  	      return false;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return false;
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      if (!this.variables.containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$("Undefined variable.", null));
  	      throw A.wrapException(A.SassScriptException$("Cannot modify built-in variable.", null));
  	    },
  	    variableIdentity$1($name) {
  	      return this;
  	    },
  	    couldHaveBeenConfigured$1(_) {
  	      return false;
  	    },
  	    cloneCss$0() {
  	      return this;
  	    },
  	    $isModule0: 1,
  	    get$url(receiver) {
  	      return this.url;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    }
  	  };
  	  A.ForwardedModuleView.prototype = {
  	    get$url(_) {
  	      var t1 = this._forwarded_view$_inner;
  	      return t1.get$url(t1);
  	    },
  	    get$upstream() {
  	      return this._forwarded_view$_inner.get$upstream();
  	    },
  	    get$extensionStore() {
  	      return this._forwarded_view$_inner.get$extensionStore();
  	    },
  	    get$css(_) {
  	      var t1 = this._forwarded_view$_inner;
  	      return t1.get$css(t1);
  	    },
  	    get$preModuleComments() {
  	      return this._forwarded_view$_inner.get$preModuleComments();
  	    },
  	    get$transitivelyContainsCss() {
  	      return this._forwarded_view$_inner.get$transitivelyContainsCss();
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this._forwarded_view$_inner.get$transitivelyContainsExtensions();
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t2, _1_0, _2_0,
  	        _s19_ = "Undefined variable.",
  	        t1 = this._rule,
  	        _0_0 = t1.shownVariables;
  	      if (_0_0 != null)
  	        t2 = !_0_0._base.contains$1(0, $name);
  	      else
  	        t2 = false;
  	      if (t2)
  	        throw A.wrapException(A.SassScriptException$(_s19_, null));
  	      else {
  	        _1_0 = t1.hiddenVariables;
  	        if (_1_0 != null)
  	          t2 = _1_0._base.contains$1(0, $name);
  	        else
  	          t2 = false;
  	        if (t2)
  	          throw A.wrapException(A.SassScriptException$(_s19_, null));
  	      }
  	      _2_0 = t1.prefix;
  	      if (_2_0 != null) {
  	        if (!B.JSString_methods.startsWith$1($name, _2_0))
  	          throw A.wrapException(A.SassScriptException$(_s19_, null));
  	        $name = B.JSString_methods.substring$1($name, _2_0.length);
  	      }
  	      return this._forwarded_view$_inner.setVariable$3($name, value, nodeWithSpan);
  	    },
  	    variableIdentity$1($name) {
  	      var _0_0 = this._rule.prefix;
  	      if (_0_0 != null)
  	        $name = B.JSString_methods.substring$1($name, _0_0.length);
  	      return this._forwarded_view$_inner.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t5, t6, _1_0, _2_0, blocklist, _this = this,
  	        t1 = _this._rule,
  	        t2 = t1.prefix,
  	        t3 = t2 == null,
  	        t4 = false;
  	      if (t3)
  	        if (t1.shownVariables == null) {
  	          t4 = t1.hiddenVariables;
  	          t4 = t4 == null ? null : t4._base.get$isEmpty(0);
  	          t4 = t4 !== false;
  	        }
  	      if (t4)
  	        return _this._forwarded_view$_inner.couldHaveBeenConfigured$1(variables);
  	      if (!t3) {
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	        for (t4 = variables.get$iterator(variables), t5 = t2.length; t4.moveNext$0();) {
  	          t6 = t4.get$current(t4);
  	          if (B.JSString_methods.startsWith$1(t6, t2))
  	            t3.add$1(0, B.JSString_methods.substring$1(t6, t5));
  	        }
  	        variables = t3;
  	      }
  	      _1_0 = t1.shownVariables;
  	      if (_1_0 != null)
  	        return _this._forwarded_view$_inner.couldHaveBeenConfigured$1(variables.intersection$1(_1_0));
  	      else {
  	        _2_0 = t1.hiddenVariables;
  	        if (_2_0 != null) {
  	          t1 = _2_0._base.get$isNotEmpty(0);
  	          blocklist = _2_0;
  	        } else {
  	          blocklist = null;
  	          t1 = false;
  	        }
  	        t2 = _this._forwarded_view$_inner;
  	        if (t1)
  	          return t2.couldHaveBeenConfigured$1(variables.difference$1(blocklist));
  	        else
  	          return t2.couldHaveBeenConfigured$1(variables);
  	      }
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ForwardedModuleView && this._forwarded_view$_inner.$eq(0, other._forwarded_view$_inner) && this._rule === other._rule;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._forwarded_view$_inner;
  	      return (t1.get$hashCode(t1) ^ A.Primitives_objectHashCode(this._rule)) >>> 0;
  	    },
  	    cloneCss$0() {
  	      return A.ForwardedModuleView$(this._forwarded_view$_inner.cloneCss$0(), this._rule, this.$ti._precomputed1);
  	    },
  	    toString$0(_) {
  	      return "forwarded " + this._forwarded_view$_inner.toString$0(0);
  	    },
  	    $isModule0: 1,
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    }
  	  };
  	  A.ShadowedModuleView.prototype = {
  	    get$url(_) {
  	      var t1 = this._shadowed_view$_inner;
  	      return t1.get$url(t1);
  	    },
  	    get$upstream() {
  	      return this._shadowed_view$_inner.get$upstream();
  	    },
  	    get$extensionStore() {
  	      return this._shadowed_view$_inner.get$extensionStore();
  	    },
  	    get$css(_) {
  	      var t1 = this._shadowed_view$_inner;
  	      return t1.get$css(t1);
  	    },
  	    get$preModuleComments() {
  	      return this._shadowed_view$_inner.get$preModuleComments();
  	    },
  	    get$transitivelyContainsCss() {
  	      return this._shadowed_view$_inner.get$transitivelyContainsCss();
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this._shadowed_view$_inner.get$transitivelyContainsExtensions();
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      if (!this.variables.containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$("Undefined variable.", null));
  	      else
  	        this._shadowed_view$_inner.setVariable$3($name, value, nodeWithSpan);
  	    },
  	    variableIdentity$1($name) {
  	      return this._shadowed_view$_inner.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t3, t4,
  	        t1 = this.variables,
  	        t2 = this._shadowed_view$_inner;
  	      if (t1 === t2.get$variables())
  	        t1 = t2.couldHaveBeenConfigured$1(variables);
  	      else {
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	        for (t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          if (variables.contains$1(0, t4))
  	            t3.add$1(0, t4);
  	        }
  	        t1 = t2.couldHaveBeenConfigured$1(t3);
  	      }
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      var t1, t2, t3, _this = this;
  	      if (other == null)
  	        return false;
  	      t1 = false;
  	      if (other instanceof A.ShadowedModuleView)
  	        if (_this._shadowed_view$_inner.$eq(0, other._shadowed_view$_inner)) {
  	          t2 = _this.variables;
  	          t2 = t2.get$keys(t2);
  	          t3 = other.variables;
  	          if (B.C_IterableEquality.equals$2(0, t2, t3.get$keys(t3))) {
  	            t2 = _this.functions;
  	            t2 = t2.get$keys(t2);
  	            t3 = other.functions;
  	            if (B.C_IterableEquality.equals$2(0, t2, t3.get$keys(t3))) {
  	              t1 = _this.mixins;
  	              t1 = t1.get$keys(t1);
  	              t2 = other.mixins;
  	              t2 = B.C_IterableEquality.equals$2(0, t1, t2.get$keys(t2));
  	              t1 = t2;
  	            }
  	          }
  	        }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._shadowed_view$_inner;
  	      return t1.get$hashCode(t1);
  	    },
  	    cloneCss$0() {
  	      var _this = this;
  	      return new A.ShadowedModuleView(_this._shadowed_view$_inner.cloneCss$0(), _this.variables, _this.variableNodes, _this.functions, _this.mixins, _this.$ti);
  	    },
  	    toString$0(_) {
  	      return "shadowed " + this._shadowed_view$_inner.toString$0(0);
  	    },
  	    $isModule0: 1,
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    }
  	  };
  	  A.AtRootQueryParser.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.AtRootQueryParser_parse_closure(this));
  	    }
  	  };
  	  A.AtRootQueryParser_parse_closure.prototype = {
  	    call$0() {
  	      var include, atRules,
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      t2.expectChar$1(40);
  	      t1.whitespace$1$consumeNewlines(true);
  	      include = t1.scanIdentifier$1("with");
  	      if (!include)
  	        t1.expectIdentifier$2$name("without", '"with" or "without"');
  	      t1.whitespace$1$consumeNewlines(true);
  	      t2.expectChar$1(58);
  	      t1.whitespace$1$consumeNewlines(true);
  	      atRules = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      do {
  	        atRules.add$1(0, t1.identifier$0().toLowerCase());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t1.lookingAtIdentifier$0());
  	      t2.expectChar$1(41);
  	      t2.expectDone$0();
  	      return new A.AtRootQuery(include, atRules, atRules.contains$1(0, "all"), atRules.contains$1(0, "rule"));
  	    },
  	    $signature: 423
  	  };
  	  A._disallowedFunctionNames_closure.prototype = {
  	    call$1($function) {
  	      return $function.name;
  	    },
  	    $signature: 424
  	  };
  	  A.CssParser.prototype = {
  	    get$plainCss() {
  	      return true;
  	    },
  	    silentComment$0() {
  	      var t1, t2, _this = this;
  	      if (_this._inExpression)
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.super$Parser$silentComment();
  	      _this.error$2(0, string$.Silent, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    atRule$2$root(child, root) {
  	      var $name, _0_0, result, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(64);
  	      $name = _this.interpolatedIdentifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _0_0 = $name.get$asPlain();
  	      $label0$0: {
  	        if ("at-root" === _0_0 || "content" === _0_0 || "debug" === _0_0 || "each" === _0_0 || "error" === _0_0 || "extend" === _0_0 || "for" === _0_0 || "if" === _0_0 || "include" === _0_0 || "mixin" === _0_0 || "return" === _0_0 || "warn" === _0_0 || "while" === _0_0)
  	          _this._forbiddenAtRule$1(start);
  	        if ("import" === _0_0) {
  	          t1 = _this._cssImportRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("function" === _0_0) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (!t1.matches$1("--")) {
  	            _this.almostAnyValue$0();
  	            _this.error$2(0, "This at-rule isn't allowed in plain CSS.", t1.spanFrom$1(start));
  	            result = null;
  	          } else
  	            result = _this.unknownAtRule$2(start, $name);
  	          t1 = result;
  	          break $label0$0;
  	        }
  	        if ("media" === _0_0) {
  	          t1 = _this.mediaRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("-moz-document" === _0_0) {
  	          t1 = _this.mozDocumentRule$2(start, $name);
  	          break $label0$0;
  	        }
  	        if ("supports" === _0_0) {
  	          t1 = _this.supportsRule$1(start);
  	          break $label0$0;
  	        }
  	        t1 = _this.unknownAtRule$2(start, $name);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _forbiddenAtRule$1(start) {
  	      this.almostAnyValue$0();
  	      this.error$2(0, "This at-rule isn't allowed in plain CSS.", this.spanFrom$1(start));
  	    },
  	    _cssImportRule$1(start) {
  	      var _0_0, t3, string, $name, _0_3, _0_4, t4, _0_8, t5, modifiers, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        _1_0 = t1.peekChar$0();
  	      $label1$1: {
  	        if (117 === _1_0 || 85 === _1_0) {
  	          _0_0 = _this.dynamicUrl$0();
  	          $label0$0: {
  	            if (_0_0 instanceof A.StringExpression) {
  	              t3 = _0_0.text;
  	              break $label0$0;
  	            }
  	            string = _null;
  	            t3 = false;
  	            if (_0_0 instanceof A.InterpolatedFunctionExpression) {
  	              $name = _0_0.name;
  	              _0_3 = _0_0.$arguments;
  	              _0_4 = _0_3.positional;
  	              t4 = _0_4;
  	              if (t4.length === 1) {
  	                _0_8 = _0_4[0];
  	                t4 = _0_8;
  	                if (t4 instanceof A.StringExpression) {
  	                  type$.StringExpression._as(_0_8);
  	                  t4 = _0_3.named;
  	                  if (t4.get$isEmpty(t4))
  	                    if (_0_3.rest == null)
  	                      t3 = _0_3.keywordRest == null;
  	                  string = _0_8;
  	                }
  	              }
  	            } else
  	              $name = _null;
  	            if (t3) {
  	              t3 = new A.StringBuffer("");
  	              t4 = new A.InterpolationBuffer(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	              t4.addInterpolation$1($name);
  	              t5 = A.Primitives_stringFromCharCode(40);
  	              t3._contents += t5;
  	              t4.addInterpolation$1(string.asInterpolation$0());
  	              t5 = A.Primitives_stringFromCharCode(41);
  	              t3._contents += t5;
  	              t4 = t4.interpolation$1(_0_0.span);
  	              t3 = t4;
  	              break $label0$0;
  	            }
  	            t3 = _this.error$2(0, "Unsupported plain CSS import.", _0_0.get$span(_0_0));
  	          }
  	          break $label1$1;
  	        }
  	        t3 = _this.interpolatedString$0().asInterpolation$1$static(true);
  	        break $label1$1;
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      modifiers = _this.tryImportModifiers$0();
  	      _this.expectStatementSeparator$1("@import rule");
  	      t2 = A._setArrayType([new A.StaticImport(t3, modifiers, _this.spanFrom$1(new A._SpanScannerState(t1, t2)))], type$.JSArray_Import);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.ImportRule(A.List_List$unmodifiable(t2, type$.Import), t1);
  	    },
  	    parentheses$0() {
  	      var expression, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      expression = _this.expressionUntilComma$0();
  	      t1.expectChar$1(41);
  	      return new A.ParenthesizedExpression(expression, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    identifierLike$0() {
  	      var t2, allowEmptySecondArg, $arguments, t3, t4, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        identifier = _this.interpolatedIdentifier$0(),
  	        plain = identifier.get$asPlain(),
  	        lower = plain.toLowerCase(),
  	        _0_0 = _this.trySpecialFunction$2(lower, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      t2 = t1._string_scanner$_position;
  	      if (t1.scanChar$1(46))
  	        return _this.namespacedExpression$2(plain, start);
  	      else if (lower === "if" && t1.peekChar$0() === 40)
  	        return _this.ifExpression$1(start);
  	      else if (!t1.scanChar$1(40))
  	        return new A.StringExpression(identifier, false);
  	      allowEmptySecondArg = lower === "var";
  	      $arguments = A._setArrayType([], type$.JSArray_Expression);
  	      if (!t1.scanChar$1(41)) {
  	        do {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (allowEmptySecondArg && $arguments.length === 1 && t1.peekChar$0() === 41) {
  	            t3 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	            t4 = t3.offset;
  	            t4 = A._FileSpan$(t3.file, t4, t4);
  	            $arguments.push(new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable([""], type$.Object), B.List_null, t4), false));
  	            break;
  	          }
  	          $arguments.push(_this.expressionUntilComma$1$singleEquals(true));
  	          _this.whitespace$1$consumeNewlines(true);
  	        } while (t1.scanChar$1(44));
  	        t1.expectChar$1(41);
  	      }
  	      if ($.$get$_disallowedFunctionNames().contains$1(0, plain))
  	        _this.error$2(0, string$.This_f, _this.spanFrom$1(start));
  	      t1 = A.ArgumentList$($arguments, B.Map_empty4, B.Map_empty5, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), null, null);
  	      t2 = _this.spanFrom$1(start);
  	      return new A.FunctionExpression(null, A.stringReplaceAllUnchecked(plain, "_", "-"), plain, t1, t2);
  	    },
  	    namespacedExpression$2(namespace, start) {
  	      var expression = this.super$StylesheetParser$namespacedExpression(namespace, start);
  	      this.error$2(0, string$.Modulen, expression.get$span(expression));
  	    }
  	  };
  	  A.KeyframeSelectorParser.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.KeyframeSelectorParser_parse_closure(this));
  	    },
  	    _percentage$0() {
  	      var $self, _0_0,
  	        t1 = this.scanner,
  	        t2 = t1.scanChar$1(43) ? A.Primitives_stringFromCharCode(43) : "",
  	        second = t1.peekChar$0();
  	      if (!(second != null && second >= 48 && second <= 57) && second !== 46)
  	        t1.error$1(0, "Expected number.");
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	      }
  	      if (t1.peekChar$0() === 46) {
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        for (;;) {
  	          $self = t1.peekChar$0();
  	          if (!($self != null && $self >= 48 && $self <= 57))
  	            break;
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        }
  	      }
  	      if (this.scanIdentChar$1(101)) {
  	        t2 += A.Primitives_stringFromCharCode(101);
  	        _0_0 = t1.peekChar$0();
  	        if (43 === _0_0 || 45 === _0_0)
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          t1.error$1(0, "Expected digit.");
  	        do {
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	          $self = t1.peekChar$0();
  	        } while ($self != null && $self >= 48 && $self <= 57);
  	      }
  	      t1.expectChar$1(37);
  	      t2 += A.Primitives_stringFromCharCode(37);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    }
  	  };
  	  A.KeyframeSelectorParser_parse_closure.prototype = {
  	    call$0() {
  	      var selectors = A._setArrayType([], type$.JSArray_String),
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      do {
  	        t1.whitespace$1$consumeNewlines(true);
  	        if (t1.lookingAtIdentifier$0())
  	          if (t1.scanIdentifier$1("from"))
  	            selectors.push("from");
  	          else {
  	            t1.expectIdentifier$2$name("to", '"to" or "from"');
  	            selectors.push("to");
  	          }
  	        else
  	          selectors.push(t1._percentage$0());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t2.scanChar$1(44));
  	      t2.expectDone$0();
  	      return selectors;
  	    },
  	    $signature: 139
  	  };
  	  A.MediaQueryParser.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.MediaQueryParser_parse_closure(this));
  	    },
  	    _mediaQuery$0() {
  	      var conditions, conjunction, t1, identifier1, identifier2, type, modifier, _this = this, _null = null, _s3_ = "and";
  	      if (_this.scanner.peekChar$0() === 40) {
  	        conditions = A._setArrayType([_this._mediaInParens$0()], type$.JSArray_String);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          _this.expectWhitespace$0();
  	          B.JSArray_methods.addAll$1(conditions, _this._mediaLogicSequence$1(_s3_));
  	          conjunction = true;
  	        } else {
  	          t1 = _this.scanIdentifier$1("or");
  	          if (t1) {
  	            _this.expectWhitespace$0();
  	            B.JSArray_methods.addAll$1(conditions, _this._mediaLogicSequence$1("or"));
  	          }
  	          conjunction = !t1;
  	        }
  	        return A.CssMediaQuery$condition(conditions, conjunction);
  	      }
  	      identifier1 = _this.identifier$0();
  	      if (A.equalsIgnoreCase(identifier1, "not")) {
  	        _this.expectWhitespace$0();
  	        if (!_this.lookingAtIdentifier$0())
  	          return A.CssMediaQuery$condition(A._setArrayType(["(not " + _this._mediaInParens$0() + ")"], type$.JSArray_String), _null);
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (!_this.lookingAtIdentifier$0())
  	        return A.CssMediaQuery$type(identifier1, _null, _null);
  	      identifier2 = _this.identifier$0();
  	      if (A.equalsIgnoreCase(identifier2, _s3_)) {
  	        _this.expectWhitespace$0();
  	        type = identifier1;
  	        modifier = _null;
  	      } else {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1(_s3_))
  	          _this.expectWhitespace$0();
  	        else
  	          return A.CssMediaQuery$type(identifier2, _null, identifier1);
  	        type = identifier2;
  	        modifier = identifier1;
  	      }
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.expectWhitespace$0();
  	        return A.CssMediaQuery$type(type, A._setArrayType(["(not " + _this._mediaInParens$0() + ")"], type$.JSArray_String), modifier);
  	      }
  	      return A.CssMediaQuery$type(type, _this._mediaLogicSequence$1(_s3_), modifier);
  	    },
  	    _mediaLogicSequence$1(operator) {
  	      var t1, t2, _this = this,
  	        result = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = _this.scanner;;) {
  	        t1.expectChar$2$name(40, "media condition in parentheses");
  	        t2 = _this.declarationValue$0();
  	        t1.expectChar$1(41);
  	        result.push("(" + t2 + ")");
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this.scanIdentifier$1(operator))
  	          return result;
  	        _this.expectWhitespace$0();
  	      }
  	    },
  	    _mediaInParens$0() {
  	      var t2,
  	        t1 = this.scanner;
  	      t1.expectChar$2$name(40, "media condition in parentheses");
  	      t2 = this.declarationValue$0();
  	      t1.expectChar$1(41);
  	      return "(" + t2 + ")";
  	    }
  	  };
  	  A.MediaQueryParser_parse_closure.prototype = {
  	    call$0() {
  	      var queries = A._setArrayType([], type$.JSArray_CssMediaQuery),
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      do {
  	        t1.whitespace$1$consumeNewlines(true);
  	        queries.push(t1._mediaQuery$0());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t2.scanChar$1(44));
  	      t2.expectDone$0();
  	      return queries;
  	    },
  	    $signature: 430
  	  };
  	  A.Parser.prototype = {
  	    _parseIdentifier$0() {
  	      return this.wrapSpanFormatException$1(new A.Parser__parseIdentifier_closure(this));
  	    },
  	    _isVariableDeclarationLike$0() {
  	      var _this = this,
  	        t1 = _this.scanner;
  	      if (!t1.scanChar$1(36))
  	        return false;
  	      if (!_this.lookingAtIdentifier$0())
  	        return false;
  	      _this.identifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      return t1.scanChar$1(58);
  	    },
  	    whitespace$1$consumeNewlines(consumeNewlines) {
  	      do
  	        this.whitespaceWithoutComments$1$consumeNewlines(consumeNewlines);
  	      while (this.scanComment$0());
  	    },
  	    whitespaceWithoutComments$1$consumeNewlines(consumeNewlines) {
  	      var t3,
  	        t1 = this.scanner,
  	        t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = t3 === 32 || t3 === 9 || t3 === 10 || t3 === 13 || t3 === 12;
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    spaces$0() {
  	      var t3,
  	        t1 = this.scanner,
  	        t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = t3 === 32 || t3 === 9;
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    scanComment$0() {
  	      var _0_0,
  	        t1 = this.scanner;
  	      if (t1.peekChar$0() !== 47)
  	        return false;
  	      _0_0 = t1.peekChar$1(1);
  	      if (47 === _0_0)
  	        return this.silentComment$0();
  	      if (42 === _0_0) {
  	        this.loudComment$0();
  	        return true;
  	      }
  	      return false;
  	    },
  	    expectWhitespace$1$consumeNewlines(consumeNewlines) {
  	      var t2, t3,
  	        t1 = this.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length) {
  	        t2 = t1.peekChar$0();
  	        t3 = !(t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12 || this.scanComment$0());
  	        t2 = t3;
  	      } else
  	        t2 = true;
  	      if (t2)
  	        t1.error$1(0, "Expected whitespace.");
  	      this.whitespace$1$consumeNewlines(consumeNewlines);
  	    },
  	    expectWhitespace$0() {
  	      return this.expectWhitespace$1$consumeNewlines(false);
  	    },
  	    silentComment$0() {
  	      var t2, t3,
  	        t1 = this.scanner;
  	      t1.expect$1("//");
  	      t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = !(t3 === 10 || t3 === 13 || t3 === 12);
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	      return true;
  	    },
  	    loudComment$0() {
  	      var next,
  	        t1 = this.scanner;
  	      t1.expect$1("/*");
  	      for (;;) {
  	        if (t1.readChar$0() !== 42)
  	          continue;
  	        do
  	          next = t1.readChar$0();
  	        while (next === 42);
  	        if (next === 47)
  	          break;
  	      }
  	    },
  	    identifier$2$normalize$unit(normalize, unit) {
  	      var t2, _0_0, _this = this,
  	        _s20_ = "Expected identifier.",
  	        text = new A.StringBuffer(""),
  	        t1 = _this.scanner;
  	      if (t1.scanChar$1(45)) {
  	        t2 = text._contents = A.Primitives_stringFromCharCode(45);
  	        if (t1.scanChar$1(45)) {
  	          text._contents = t2 + t2;
  	          _this._identifierBody$3$normalize$unit(text, normalize, unit);
  	          t1 = text._contents;
  	          return t1.charCodeAt(0) == 0 ? t1 : t1;
  	        }
  	      } else
  	        t2 = "";
  	      $label0$0: {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (95 === _0_0 && normalize) {
  	          t1.readChar$0();
  	          text._contents = t2 + A.Primitives_stringFromCharCode(45);
  	          break $label0$0;
  	        }
  	        if (_0_0 === 95 || A.CharacterExtension_get_isAlphabetic(_0_0) || _0_0 >= 128) {
  	          text._contents = t2 + A.Primitives_stringFromCharCode(t1.readChar$0());
  	          break $label0$0;
  	        }
  	        if (92 === _0_0) {
  	          text._contents = t2 + _this.escape$1$identifierStart(true);
  	          break $label0$0;
  	        }
  	        t1.error$1(0, _s20_);
  	      }
  	      _this._identifierBody$3$normalize$unit(text, normalize, unit);
  	      t1 = text._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    identifier$0() {
  	      return this.identifier$2$normalize$unit(false, false);
  	    },
  	    identifier$1$normalize(normalize) {
  	      return this.identifier$2$normalize$unit(normalize, false);
  	    },
  	    identifier$1$unit(unit) {
  	      return this.identifier$2$normalize$unit(false, unit);
  	    },
  	    _identifierBody$3$normalize$unit(text, normalize, unit) {
  	      var t1, _1_0, _0_0, t2;
  	      for (t1 = this.scanner;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        if (45 === _1_0 && unit) {
  	          _0_0 = t1.peekChar$1(1);
  	          if (46 !== _0_0)
  	            t2 = A._isInt(_0_0) && _0_0 >= 48 && _0_0 <= 57;
  	          else
  	            t2 = true;
  	          if (t2)
  	            break;
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (95 === _1_0 && normalize) {
  	          t1.readChar$0();
  	          t2 = A.Primitives_stringFromCharCode(45);
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (_1_0 !== 95) {
  	          if (!(_1_0 >= 97 && _1_0 <= 122))
  	            t2 = _1_0 >= 65 && _1_0 <= 90;
  	          else
  	            t2 = true;
  	          t2 = t2 || _1_0 >= 128;
  	        } else
  	          t2 = true;
  	        if (!t2)
  	          t2 = _1_0 >= 48 && _1_0 <= 57 || _1_0 === 45;
  	        else
  	          t2 = true;
  	        if (t2) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (92 === _1_0) {
  	          t2 = this.escape$0();
  	          text._contents += t2;
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    _identifierBody$1(text) {
  	      return this._identifierBody$3$normalize$unit(text, false, false);
  	    },
  	    string$0() {
  	      var buffer, _0_0, t2,
  	        t1 = this.scanner,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t1._string_scanner$_position - 1);
  	      buffer = new A.StringBuffer("");
  	      for (;;) {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 === quote) {
  	          t1.readChar$0();
  	          break;
  	        }
  	        if (_0_0 == null || _0_0 === 10 || _0_0 === 13 || _0_0 === 12)
  	          t1.error$1(0, "Expected " + A.Primitives_stringFromCharCode(quote) + ".");
  	        if (92 === _0_0) {
  	          t2 = t1.peekChar$1(1);
  	          if (t2 === 10 || t2 === 13 || t2 === 12) {
  	            t1.readChar$0();
  	            t1.readChar$0();
  	          } else {
  	            t2 = A.Primitives_stringFromCharCode(A.consumeEscapedCharacter(t1));
  	            buffer._contents += t2;
  	          }
  	          continue;
  	        }
  	        t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        buffer._contents += t2;
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    declarationValue$1$allowEmpty(allowEmpty) {
  	      var t1, t2, t3, wroteNewline, next, wroteNewline0, t4, start, end, _0_0, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t1 = _this.scanner, t2 = _this.get$loudComment(), t3 = _this.get$string(), wroteNewline = false;;) {
  	        next = t1.peekChar$0();
  	        if (next == null)
  	          break;
  	        wroteNewline0 = false;
  	        if (92 === next) {
  	          t4 = _this.escape$1$identifierStart(true);
  	          buffer._contents += t4;
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (34 === next || 39 === next) {
  	          start = t1._string_scanner$_position;
  	          t3.call$0();
  	          end = t1._string_scanner$_position;
  	          buffer._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (47 === next) {
  	          if (t1.peekChar$1(1) === 42) {
  	            start = t1._string_scanner$_position;
  	            t2.call$0();
  	            end = t1._string_scanner$_position;
  	            buffer._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          } else {
  	            t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            buffer._contents += t4;
  	          }
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (32 === next || 9 === next) {
  	          if (!wroteNewline) {
  	            t4 = t1.peekChar$1(1);
  	            t4 = !(t4 === 32 || t4 === 9 || t4 === 10 || t4 === 13 || t4 === 12);
  	          } else
  	            t4 = true;
  	          if (t4) {
  	            t4 = A.Primitives_stringFromCharCode(32);
  	            buffer._contents += t4;
  	          }
  	          t1.readChar$0();
  	          continue;
  	        }
  	        if (10 === next || 13 === next || 12 === next) {
  	          t4 = t1.peekChar$1(-1);
  	          if (!(t4 === 10 || t4 === 13 || t4 === 12))
  	            buffer._contents += "\n";
  	          t1.readChar$0();
  	          wroteNewline = true;
  	          continue;
  	        }
  	        if (40 === next || 123 === next || 91 === next) {
  	          t4 = A.Primitives_stringFromCharCode(next);
  	          buffer._contents += t4;
  	          brackets.push(A.opposite(t1.readChar$0()));
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (41 === next || 125 === next || 93 === next) {
  	          if (brackets.length === 0)
  	            break;
  	          t4 = A.Primitives_stringFromCharCode(next);
  	          buffer._contents += t4;
  	          t1.expectChar$1(brackets.pop());
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (59 === next) {
  	          if (brackets.length === 0)
  	            break;
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t4;
  	          continue;
  	        }
  	        if (117 === next || 85 === next) {
  	          _0_0 = _this.tryUrl$0();
  	          if (_0_0 != null)
  	            buffer._contents += _0_0;
  	          else {
  	            t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            buffer._contents += t4;
  	          }
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (_this.lookingAtIdentifier$0()) {
  	          t4 = _this.identifier$0();
  	          buffer._contents += t4;
  	        } else {
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t4;
  	        }
  	        wroteNewline = wroteNewline0;
  	      }
  	      if (brackets.length !== 0)
  	        t1.expectChar$1(B.JSArray_methods.get$last(brackets));
  	      if (!allowEmpty && buffer._contents.length === 0)
  	        t1.error$1(0, "Expected token.");
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    declarationValue$0() {
  	      return this.declarationValue$1$allowEmpty(false);
  	    },
  	    tryUrl$0() {
  	      var buffer, _0_0, t2, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (!_this.scanIdentifier$1("url"))
  	        return null;
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      buffer = new A.StringBuffer("");
  	      buffer._contents = "url(";
  	      for (;;) {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          break;
  	        if (92 === _0_0) {
  	          t2 = _this.escape$0();
  	          buffer._contents += t2;
  	          continue;
  	        }
  	        t2 = true;
  	        if (37 !== _0_0)
  	          if (38 !== _0_0)
  	            if (35 !== _0_0)
  	              t2 = _0_0 >= 42 && _0_0 <= 126 || _0_0 >= 128;
  	        if (t2) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t2;
  	          continue;
  	        }
  	        if (_0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (t1.peekChar$0() !== 41)
  	            break;
  	          continue;
  	        }
  	        if (41 === _0_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2 = buffer._contents += t2;
  	          return t2.charCodeAt(0) == 0 ? t2 : t2;
  	        }
  	        break;
  	      }
  	      t1.set$state(start);
  	      return null;
  	    },
  	    variableName$0() {
  	      this.scanner.expectChar$1(36);
  	      return this.identifier$1$normalize(true);
  	    },
  	    escape$1$identifierStart(identifierStart) {
  	      var value, _0_0, i, next, t2, _s25_ = "Expected escape sequence.",
  	        t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      t1.expectChar$1(92);
  	      value = 0;
  	      $label0$1: {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          t1.error$1(0, _s25_);
  	        if (_0_0 === 10 || _0_0 === 13 || _0_0 === 12)
  	          t1.error$1(0, _s25_);
  	        if (A.CharacterExtension_get_isHex(_0_0)) {
  	          for (i = 0; i < 6; ++i) {
  	            next = t1.peekChar$0();
  	            if (next != null) {
  	              t2 = true;
  	              if (!(next >= 48 && next <= 57))
  	                if (!(next >= 97 && next <= 102))
  	                  t2 = next >= 65 && next <= 70;
  	              t2 = !t2;
  	            } else
  	              t2 = true;
  	            if (t2)
  	              break;
  	            value *= 16;
  	            value += A.asHex(t1.readChar$0());
  	          }
  	          this.scanCharIf$1(new A.Parser_escape_closure());
  	          break $label0$1;
  	        }
  	        value = t1.readChar$0();
  	      }
  	      if (identifierStart) {
  	        t2 = value;
  	        t2 = t2 === 95 || A.CharacterExtension_get_isAlphabetic(t2) || t2 >= 128;
  	      } else {
  	        t2 = value;
  	        if (!(t2 === 95 || A.CharacterExtension_get_isAlphabetic(t2) || t2 >= 128))
  	          t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	        else
  	          t2 = true;
  	      }
  	      if (t2)
  	        try {
  	          t2 = A.Primitives_stringFromCharCode(value);
  	          return t2;
  	        } catch (exception) {
  	          if (type$.RangeError._is(A.unwrapException(exception)))
  	            t1.error$3$length$position(0, "Invalid Unicode code point.", t1._string_scanner$_position - start, start);
  	          else
  	            throw exception;
  	        }
  	      else {
  	        t1 = true;
  	        if (!(value <= 31))
  	          if (!J.$eq$(value, 127))
  	            if (identifierStart) {
  	              t1 = value;
  	              t1 = t1 >= 48 && t1 <= 57;
  	            } else
  	              t1 = false;
  	        if (t1) {
  	          t1 = A.Primitives_stringFromCharCode(92);
  	          if (value > 15)
  	            t1 += A.Primitives_stringFromCharCode(A.hexCharFor(B.JSNumber_methods._shrOtherPositive$1(value, 4)));
  	          t1 = t1 + A.Primitives_stringFromCharCode(A.hexCharFor(value & 15)) + A.Primitives_stringFromCharCode(32);
  	          return t1.charCodeAt(0) == 0 ? t1 : t1;
  	        } else
  	          return A.String_String$fromCharCodes(A._setArrayType([92, value], type$.JSArray_int), 0, null);
  	      }
  	    },
  	    escape$0() {
  	      return this.escape$1$identifierStart(false);
  	    },
  	    scanCharIf$1(condition) {
  	      var t1 = this.scanner;
  	      if (!condition.call$1(t1.peekChar$0()))
  	        return false;
  	      t1.readChar$0();
  	      return true;
  	    },
  	    scanIdentChar$2$caseSensitive(char, caseSensitive) {
  	      var t3,
  	        t1 = new A.Parser_scanIdentChar_matches(caseSensitive, char),
  	        t2 = this.scanner,
  	        _0_0 = t2.peekChar$0();
  	      if (_0_0 != null)
  	        t3 = t1.call$1(_0_0);
  	      else
  	        t3 = false;
  	      if (t3) {
  	        t2.readChar$0();
  	        return true;
  	      }
  	      if (92 === _0_0) {
  	        t3 = t2._string_scanner$_position;
  	        if (t1.call$1(A.consumeEscapedCharacter(t2)))
  	          return true;
  	        t2.set$state(new A._SpanScannerState(t2, t3));
  	      }
  	      return false;
  	    },
  	    scanIdentChar$1(char) {
  	      return this.scanIdentChar$2$caseSensitive(char, false);
  	    },
  	    expectIdentChar$1(letter) {
  	      var t1;
  	      if (this.scanIdentChar$2$caseSensitive(letter, false))
  	        return;
  	      t1 = this.scanner;
  	      t1.error$2$position(0, 'Expected "' + A.Primitives_stringFromCharCode(letter) + '".', t1._string_scanner$_position);
  	    },
  	    lookingAtIdentifier$1($forward) {
  	      var t1, _1_0, t2, _0_0;
  	      if ($forward == null)
  	        $forward = 0;
  	      t1 = this.scanner;
  	      _1_0 = t1.peekChar$1($forward);
  	      $label0$0: {
  	        if (A._isInt(_1_0))
  	          t2 = _1_0 === 95 || A.CharacterExtension_get_isAlphabetic(_1_0) || _1_0 >= 128;
  	        else
  	          t2 = false;
  	        if (t2 || 92 === _1_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (45 === _1_0) {
  	          _0_0 = t1.peekChar$1($forward + 1);
  	          $label1$1: {
  	            if (A._isInt(_0_0))
  	              t1 = _0_0 === 95 || A.CharacterExtension_get_isAlphabetic(_0_0) || _0_0 >= 128;
  	            else
  	              t1 = false;
  	            t1 = t1 || 92 === _0_0 || 45 === _0_0;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    lookingAtIdentifier$0() {
  	      return this.lookingAtIdentifier$1(null);
  	    },
  	    lookingAtIdentifierBody$0() {
  	      var t1,
  	        next = this.scanner.peekChar$0();
  	      if (next != null) {
  	        if (!(next === 95 || A.CharacterExtension_get_isAlphabetic(next) || next >= 128))
  	          t1 = next >= 48 && next <= 57 || next === 45;
  	        else
  	          t1 = true;
  	        t1 = t1 || next === 92;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    scanIdentifier$2$caseSensitive(text, caseSensitive) {
  	      var t1, t2, _this = this;
  	      if (!_this.lookingAtIdentifier$0())
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      if (_this._consumeIdentifier$2(text, caseSensitive) && !_this.lookingAtIdentifierBody$0())
  	        return true;
  	      else {
  	        t1.set$state(new A._SpanScannerState(t1, t2));
  	        return false;
  	      }
  	    },
  	    scanIdentifier$1(text) {
  	      return this.scanIdentifier$2$caseSensitive(text, false);
  	    },
  	    _consumeIdentifier$2(text, caseSensitive) {
  	      var t1, t2, t3;
  	      for (t1 = new A.CodeUnits(text), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (!this.scanIdentChar$2$caseSensitive(t3 == null ? t2._as(t3) : t3, caseSensitive))
  	          return false;
  	      }
  	      return true;
  	    },
  	    expectIdentifier$2$name(text, $name) {
  	      var t1, start, t2, t3, t4, t5, t6;
  	      if ($name == null)
  	        $name = '"' + text + '"';
  	      t1 = this.scanner;
  	      start = t1._string_scanner$_position;
  	      for (t2 = new A.CodeUnits(text), t3 = type$.CodeUnits, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t4 = "Expected " + $name, t5 = t4 + ".", t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	        t6 = t2.__internal$_current;
  	        if (this.scanIdentChar$2$caseSensitive(t6 == null ? t3._as(t6) : t6, false))
  	          continue;
  	        t1.error$2$position(0, t5, start);
  	      }
  	      if (!this.lookingAtIdentifierBody$0())
  	        return;
  	      t1.error$2$position(0, t4, start);
  	    },
  	    expectIdentifier$1(text) {
  	      return this.expectIdentifier$2$name(text, null);
  	    },
  	    rawText$1(consumer) {
  	      var t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      consumer.call$0();
  	      return t1.substring$1(0, start);
  	    },
  	    spanFrom$2(start, end) {
  	      var span = this.scanner.spanFrom$2(start, end);
  	      return this._interpolationMap == null ? span : new A.LazyFileSpan(new A.Parser_spanFrom_closure(this, span));
  	    },
  	    spanFrom$1(start) {
  	      return this.spanFrom$2(start, null);
  	    },
  	    spanFromPosition$2(start, end) {
  	      var span = this.scanner.spanFromPosition$2(start, end);
  	      return this._interpolationMap == null ? span : new A.LazyFileSpan(new A.Parser_spanFromPosition_closure(this, span));
  	    },
  	    spanFromPosition$1(start) {
  	      return this.spanFromPosition$2(start, null);
  	    },
  	    error$3(_, message, span, trace) {
  	      var exception = new A.StringScannerException(this.scanner.string, message, span);
  	      if (trace == null)
  	        throw A.wrapException(exception);
  	      else
  	        A.throwWithTrace(exception, this.get$error(this), trace);
  	    },
  	    error$2(_, message, span) {
  	      return this.error$3(0, message, span, null);
  	    },
  	    withErrorMessage$1$2(message, callback) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SourceSpanFormatException._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = J.get$span$x(error);
  	          A.throwWithTrace(new A.SourceSpanFormatException(error.get$source(), message, t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    withErrorMessage$2(message, callback) {
  	      return this.withErrorMessage$1$2(message, callback, type$.dynamic);
  	    },
  	    wrapSpanFormatException$1$1(callback) {
  	      var error, stackTrace, map, mapped, error0, stackTrace0, span, secondarySpans, t1, t2, span0, description, _0_0, error1, stackTrace1, span1, t3, t4, _this = this,
  	        _s8_ = "expected";
  	      try {
  	        try {
  	          t3 = callback.call$0();
  	          return t3;
  	        } catch (exception) {
  	          t3 = A.unwrapException(exception);
  	          if (type$.SourceSpanFormatException._is(t3)) {
  	            error = t3;
  	            stackTrace = A.getTraceFromException(exception);
  	            map = _this._interpolationMap;
  	            if (map == null)
  	              throw exception;
  	            mapped = map.mapException$1(error);
  	            t3 = mapped;
  	            t4 = error;
  	            if (t3 == null ? t4 == null : t3 === t4)
  	              throw exception;
  	            A.throwWithTrace(mapped, error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      } catch (exception) {
  	        t3 = A.unwrapException(exception);
  	        if (type$.MultiSourceSpanFormatException._is(t3)) {
  	          error0 = t3;
  	          stackTrace0 = A.getTraceFromException(exception);
  	          span = J.get$span$x(error0);
  	          t3 = type$.FileSpan;
  	          t4 = type$.String;
  	          secondarySpans = error0.get$secondarySpans().cast$2$0(0, t3, t4);
  	          if (A.startsWithIgnoreCase(error0._span_exception$_message, _s8_)) {
  	            span = _this._adjustExceptionSpan$1(span);
  	            t1 = A.LinkedHashMap_LinkedHashMap$_empty(t3, t4);
  	            for (t3 = A.MapExtensions_get_pairs(secondarySpans, t3, t4), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	              t2 = t3.get$current(t3);
  	              span0 = null;
  	              description = null;
  	              _0_0 = t2;
  	              span0 = _0_0._0;
  	              description = _0_0._1;
  	              J.$indexSet$ax(t1, _this._adjustExceptionSpan$1(span0), description);
  	            }
  	            secondarySpans = t1;
  	          }
  	          A.throwWithTrace(A.MultiSpanSassFormatException$(error0._span_exception$_message, span, error0.get$primaryLabel(), secondarySpans, null), error0, stackTrace0);
  	        } else if (type$.SourceSpanFormatException._is(t3)) {
  	          error1 = t3;
  	          stackTrace1 = A.getTraceFromException(exception);
  	          span1 = J.get$span$x(error1);
  	          if (A.startsWithIgnoreCase(error1._span_exception$_message, _s8_))
  	            span1 = _this._adjustExceptionSpan$1(span1);
  	          t1 = error1._span_exception$_message;
  	          t2 = span1;
  	          A.throwWithTrace(new A.SassFormatException(B.Set_empty, t1, t2), error1, stackTrace1);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    wrapSpanFormatException$1(callback) {
  	      return this.wrapSpanFormatException$1$1(callback, type$.dynamic);
  	    },
  	    _adjustExceptionSpan$1(span) {
  	      var start, t1;
  	      if (span.get$length(span) > 0)
  	        return span;
  	      start = this._firstNewlineBefore$1(span.get$start(span));
  	      if (start.$eq(0, span.get$start(span)))
  	        t1 = span;
  	      else {
  	        t1 = start.offset;
  	        t1 = A._FileSpan$(start.file, t1, t1);
  	      }
  	      return t1;
  	    },
  	    _firstNewlineBefore$1($location) {
  	      var lastNewline, codeUnit,
  	        t1 = $location.file,
  	        t2 = $location.offset,
  	        text = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1._decodedChars, 0, t2), 0, null),
  	        index = t2 - 1;
  	      for (lastNewline = null; index >= 0;) {
  	        codeUnit = text.charCodeAt(index);
  	        if (!(codeUnit === 32 || codeUnit === 9 || codeUnit === 10 || codeUnit === 13 || codeUnit === 12)) {
  	          if (lastNewline == null)
  	            t1 = $location;
  	          else {
  	            t2 = new A.FileLocation(t1, lastNewline);
  	            t2.FileLocation$_$2(t1, lastNewline);
  	            t1 = t2;
  	          }
  	          return t1;
  	        }
  	        if (codeUnit === 10 || codeUnit === 13 || codeUnit === 12)
  	          lastNewline = index;
  	        --index;
  	      }
  	      return $location;
  	    }
  	  };
  	  A.Parser__parseIdentifier_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        result = t1.identifier$0();
  	      t1.scanner.expectDone$0();
  	      return result;
  	    },
  	    $signature: 29
  	  };
  	  A.Parser_escape_closure.prototype = {
  	    call$1(char) {
  	      return char === 32 || char === 9 || char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.Parser_scanIdentChar_matches.prototype = {
  	    call$1(actual) {
  	      var t1 = this.char;
  	      return this.caseSensitive ? actual === t1 : A.characterEqualsIgnoreCase(t1, actual);
  	    },
  	    $signature: 50
  	  };
  	  A.Parser_spanFrom_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._interpolationMap;
  	      if (t1 == null)
  	        t1 = type$.InterpolationMap._as(t1);
  	      return t1.mapSpan$1(this.span);
  	    },
  	    $signature: 16
  	  };
  	  A.Parser_spanFromPosition_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._interpolationMap;
  	      if (t1 == null)
  	        t1 = type$.InterpolationMap._as(t1);
  	      return t1.mapSpan$1(this.span);
  	    },
  	    $signature: 16
  	  };
  	  A.SassParser.prototype = {
  	    get$currentIndentation() {
  	      return this._currentIndentation;
  	    },
  	    get$indented() {
  	      return true;
  	    },
  	    styleRuleSelector$0() {
  	      var t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      do {
  	        buffer.addInterpolation$1(_this.almostAnyValue$1$omitComments(true));
  	        t4 = A.Primitives_stringFromCharCode(10);
  	        t4 = t3._contents += t4;
  	      } while (B.JSString_methods.endsWith$1(B.JSString_methods.trimRight$0(t4.charCodeAt(0) == 0 ? t4 : t4), ",") && _this.scanCharIf$1(new A.SassParser_styleRuleSelector_closure()));
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    expectStatementSeparator$1($name) {
  	      var t1, _this = this,
  	        trailingSemicolon = _this._tryTrailingSemicolon$0();
  	      if (!_this.atEndOfStatement$0())
  	        _this._expectNewline$1$trailingSemicolon(trailingSemicolon);
  	      if (_this._peekIndentation$0() <= _this._currentIndentation)
  	        return;
  	      t1 = $name == null ? "here" : "beneath a " + $name;
  	      _this.scanner.error$2$position(0, "Nothing may be indented " + t1 + ".", _this._nextIndentationEnd.position);
  	    },
  	    expectStatementSeparator$0() {
  	      return this.expectStatementSeparator$1(null);
  	    },
  	    atEndOfStatement$0() {
  	      var t1 = this.scanner.peekChar$0();
  	      if (t1 == null)
  	        t1 = null;
  	      else
  	        t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	      return t1 !== false;
  	    },
  	    lookingAtChildren$0() {
  	      return this.atEndOfStatement$0() && this._peekIndentation$0() > this._currentIndentation;
  	    },
  	    importArgument$0() {
  	      var url, span, innerError, stackTrace, t1, _0_0, start, t2, next, t3, _this = this;
  	      $label0$0: {
  	        t1 = _this.scanner;
  	        _0_0 = t1.peekChar$0();
  	        if (117 === _0_0 || 85 === _0_0) {
  	          start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	          if (_this.scanIdentifier$1("url"))
  	            if (t1.scanChar$1(40)) {
  	              t1.set$state(start);
  	              return _this.super$StylesheetParser$importArgument();
  	            } else
  	              t1.set$state(start);
  	          break $label0$0;
  	        }
  	        if (39 === _0_0 || 34 === _0_0)
  	          return _this.super$StylesheetParser$importArgument();
  	      }
  	      t2 = t1._string_scanner$_position;
  	      next = t1.peekChar$0();
  	      for (;;) {
  	        t3 = false;
  	        if (next != null)
  	          if (next !== 44)
  	            if (next !== 59)
  	              t3 = !(next === 10 || next === 13 || next === 12);
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	        next = t1.peekChar$0();
  	      }
  	      url = t1.substring$1(0, t2);
  	      span = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      if (_this.isPlainImportUrl$1(url))
  	        return new A.StaticImport(new A.Interpolation(A.List_List$unmodifiable([A.serializeValue(new A.SassString(url, true), true, true)], type$.Object), B.List_null, span), null, span);
  	      else
  	        try {
  	          t1 = _this.parseImportUrl$1(url);
  	          return new A.DynamicImport(t1, span);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.FormatException._is(t1)) {
  	            innerError = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), span, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	    },
  	    scanElse$1(ifIndentation) {
  	      var t1, t2, startIndentation, startNextIndentation, startNextIndentationEnd, _this = this;
  	      if (_this._peekIndentation$0() !== ifIndentation)
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      startIndentation = _this._currentIndentation;
  	      startNextIndentation = _this._nextIndentation;
  	      startNextIndentationEnd = _this._nextIndentationEnd;
  	      _this._readIndentation$0();
  	      if (t1.scanChar$1(64) && _this.scanIdentifier$1("else"))
  	        return true;
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      _this._currentIndentation = startIndentation;
  	      _this._nextIndentation = startNextIndentation;
  	      _this._nextIndentationEnd = startNextIndentationEnd;
  	      return false;
  	    },
  	    children$1(_, child) {
  	      var children = A._setArrayType([], type$.JSArray_Statement);
  	      this._whileIndentedLower$1(new A.SassParser_children_closure(this, child, children));
  	      return children;
  	    },
  	    statements$1(statement) {
  	      var statements, t2, _1_0,
  	        t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (9 === _0_0 || 32 === _0_0)
  	        t1.error$3$length$position(0, string$.Indent, t1._string_scanner$_position, 0);
  	      statements = A._setArrayType([], type$.JSArray_Statement);
  	      for (t2 = t1.string.length; t1._string_scanner$_position !== t2;) {
  	        _1_0 = this._child$1(statement);
  	        if (_1_0 != null)
  	          statements.push(_1_0);
  	        this._readIndentation$0();
  	      }
  	      return statements;
  	    },
  	    _child$1(child) {
  	      var _0_0, _this = this,
  	        t1 = _this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (13 === _1_0 || 10 === _1_0 || 12 === _1_0) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        if (36 === _1_0) {
  	          t1 = _this.variableDeclarationWithoutNamespace$0();
  	          break $label0$0;
  	        }
  	        if (47 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (47 === _0_0) {
  	              t1 = _this._silentComment$0();
  	              break $label1$1;
  	            }
  	            if (42 === _0_0) {
  	              t1 = _this._loudComment$0();
  	              break $label1$1;
  	            }
  	            t1 = child.call$0();
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = child.call$0();
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _silentComment$0() {
  	      var buffer, parentIndentation, t3, t4, t5, commentPrefix, i, t6, i0, t7, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("//");
  	      buffer = new A.StringBuffer("");
  	      parentIndentation = _this._currentIndentation;
  	      t3 = t1.string.length;
  	      t4 = 1 + parentIndentation;
  	      t5 = 2 + parentIndentation;
  	      $label0$0:
  	        do {
  	          commentPrefix = t1.scanChar$1(47) ? "///" : "//";
  	          for (i = commentPrefix.length;;) {
  	            t6 = buffer._contents += commentPrefix;
  	            for (i0 = i; i0 < _this._currentIndentation - parentIndentation; ++i0) {
  	              t6 += A.Primitives_stringFromCharCode(32);
  	              buffer._contents = t6;
  	            }
  	            for (;;) {
  	              if (t1._string_scanner$_position !== t3) {
  	                t7 = t1.peekChar$0();
  	                t7 = !(t7 === 10 || t7 === 13 || t7 === 12);
  	              } else
  	                t7 = false;
  	              if (!t7)
  	                break;
  	              t6 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	              buffer._contents = t6;
  	            }
  	            buffer._contents = t6 + "\n";
  	            if (_this._peekIndentation$0() < parentIndentation)
  	              break $label0$0;
  	            if (_this._peekIndentation$0() === parentIndentation) {
  	              if (t1.peekChar$1(t4) === 47 && t1.peekChar$1(t5) === 47)
  	                _this._readIndentation$0();
  	              break;
  	            }
  	            _this._readIndentation$0();
  	          }
  	        } while (t1.scan$1("//"));
  	      t3 = buffer._contents;
  	      return _this.lastSilentComment = new A.SilentComment(t3.charCodeAt(0) == 0 ? t3 : t3, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _loudComment$0() {
  	      var t2, t3, t4, buffer, parentIndentation, t5, t6, first, beginningOfComment, t7, end, i, _1_0, _0_0, span, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expect$1("/*");
  	      t2 = new A.StringBuffer("");
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      t4 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t2, t3, t4);
  	      t2._contents = "/*";
  	      parentIndentation = _this._currentIndentation;
  	      for (t5 = t1.string, t6 = t5.length, first = true;; first = false) {
  	        if (first) {
  	          beginningOfComment = t1._string_scanner$_position;
  	          _this.spaces$0();
  	          t7 = t1.peekChar$0();
  	          if (t7 === 10 || t7 === 13 || t7 === 12) {
  	            _this._readIndentation$0();
  	            t7 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t7;
  	          } else {
  	            end = t1._string_scanner$_position;
  	            t2._contents += B.JSString_methods.substring$2(t5, beginningOfComment, end);
  	          }
  	        } else
  	          t2._contents = (t2._contents += "\n") + " * ";
  	        for (i = 3; i < _this._currentIndentation - parentIndentation; ++i) {
  	          t7 = A.Primitives_stringFromCharCode(32);
  	          t2._contents += t7;
  	        }
  	        while (t1._string_scanner$_position !== t6) {
  	          _1_0 = t1.peekChar$0();
  	          if (10 === _1_0 || 13 === _1_0 || 12 === _1_0)
  	            break;
  	          if (35 === _1_0) {
  	            if (t1.peekChar$1(1) === 123) {
  	              _0_0 = _this.singleInterpolation$0();
  	              buffer._flushText$0();
  	              t3.push(_0_0._0);
  	              t4.push(_0_0._1);
  	            } else {
  	              t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t7;
  	            }
  	            continue;
  	          }
  	          if (42 === _1_0) {
  	            if (t1.peekChar$1(1) === 47) {
  	              t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t3;
  	              t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t3;
  	              span = _this.spanFrom$1(start);
  	              _this.whitespace$1$consumeNewlines(false);
  	              for (;;) {
  	                t2 = t1.peekChar$0();
  	                if (!((t2 === 10 || t2 === 13 || t2 === 12) && _this._peekIndentation$0() > parentIndentation))
  	                  break;
  	                while (_this._lookingAtDoubleNewline$0())
  	                  _this._expectNewline$0();
  	                _this._readIndentation$0();
  	                _this.whitespace$1$consumeNewlines(false);
  	              }
  	              if (t1._string_scanner$_position !== t6) {
  	                t2 = t1.peekChar$0();
  	                t2 = !(t2 === 10 || t2 === 13 || t2 === 12);
  	              } else
  	                t2 = false;
  	              if (t2) {
  	                t2 = t1._string_scanner$_position;
  	                for (;;) {
  	                  if (t1._string_scanner$_position !== t6) {
  	                    t3 = t1.peekChar$0();
  	                    t3 = !(t3 === 10 || t3 === 13 || t3 === 12);
  	                  } else
  	                    t3 = false;
  	                  if (!t3)
  	                    break;
  	                  t1.readChar$0();
  	                }
  	                throw A.wrapException(A.MultiSpanSassFormatException$("Unexpected text after end of comment", _this.spanFrom$1(new A._SpanScannerState(t1, t2)), "extra text", A.LinkedHashMap_LinkedHashMap$_literal([span, "comment"], type$.FileSpan, type$.String), null));
  	              } else
  	                return new A.LoudComment(buffer.interpolation$1(span));
  	            } else {
  	              t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t7;
  	            }
  	            continue;
  	          }
  	          t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2._contents += t7;
  	        }
  	        if (_this._peekIndentation$0() <= parentIndentation)
  	          break;
  	        while (_this._lookingAtDoubleNewline$0()) {
  	          _this._expectNewline$0();
  	          t2._contents = (t2._contents += "\n") + " *";
  	        }
  	        _this._readIndentation$0();
  	      }
  	      return new A.LoudComment(buffer.interpolation$1(_this.spanFrom$1(start)));
  	    },
  	    whitespaceWithoutComments$1$consumeNewlines(consumeNewlines) {
  	      var t1, t2, next, t3;
  	      for (t1 = this.scanner, t2 = t1.string.length; t1._string_scanner$_position !== t2;) {
  	        next = t1.peekChar$0();
  	        if (consumeNewlines)
  	          t3 = !(next === 32 || next === 9 || next === 10 || next === 13 || next === 12);
  	        else
  	          t3 = !(next === 32 || next === 9);
  	        if (t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _expectNewline$1$trailingSemicolon(trailingSemicolon) {
  	      var t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (13 === _0_0) {
  	        t1.readChar$0();
  	        if (t1.peekChar$0() === 10)
  	          t1.readChar$0();
  	        return;
  	      }
  	      if (10 === _0_0 || 12 === _0_0) {
  	        t1.readChar$0();
  	        return;
  	      }
  	      t1.error$1(0, trailingSemicolon ? string$.multip : "expected newline.");
  	    },
  	    _expectNewline$0() {
  	      return this._expectNewline$1$trailingSemicolon(false);
  	    },
  	    _lookingAtDoubleNewline$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label1$1: {
  	        t2 = false;
  	        if (13 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label0$0: {
  	            if (10 === _0_0) {
  	              t1 = t1.peekChar$1(2);
  	              t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	              break $label0$0;
  	            }
  	            if (13 === _0_0 || 12 === _0_0) {
  	              t1 = true;
  	              break $label0$0;
  	            }
  	            t1 = t2;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        if (10 === _1_0 || 12 === _1_0) {
  	          t1 = t1.peekChar$1(1);
  	          t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	          break $label1$1;
  	        }
  	        t1 = t2;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    _whileIndentedLower$1(body) {
  	      var t1, t2, childIndentation, indentation, t3, t4, _this = this,
  	        parentIndentation = _this._currentIndentation;
  	      for (t1 = _this.scanner, t2 = t1._sourceFile, childIndentation = null; _this._peekIndentation$0() > parentIndentation;) {
  	        indentation = _this._readIndentation$0();
  	        if (childIndentation == null)
  	          childIndentation = indentation;
  	        if (childIndentation !== indentation) {
  	          t3 = t1._string_scanner$_position;
  	          t4 = t2.getColumn$1(t3);
  	          t1.error$3$length$position(0, "Inconsistent indentation, expected " + childIndentation + " spaces.", t2.getColumn$1(t1._string_scanner$_position), t3 - t4);
  	        }
  	        body.call$0();
  	      }
  	    },
  	    _readIndentation$0() {
  	      var t1, _this = this,
  	        currentIndentation = _this._nextIndentation;
  	      if (currentIndentation == null)
  	        currentIndentation = _this._nextIndentation = _this._peekIndentation$0();
  	      _this._currentIndentation = currentIndentation;
  	      t1 = _this._nextIndentationEnd;
  	      t1.toString;
  	      _this.scanner.set$state(t1);
  	      _this._nextIndentationEnd = _this._nextIndentation = null;
  	      return currentIndentation;
  	    },
  	    _peekIndentation$0() {
  	      var t1, t2, t3, start, containsTab, containsSpace, nextIndentation, _1_0, t4, _this = this,
  	        _0_0 = _this._nextIndentation;
  	      if (_0_0 != null)
  	        return _0_0;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      t3 = t1.string.length;
  	      if (t2 === t3) {
  	        _this._nextIndentation = 0;
  	        _this._nextIndentationEnd = new A._SpanScannerState(t1, t2);
  	        return 0;
  	      }
  	      start = new A._SpanScannerState(t1, t2);
  	      if (!_this.scanCharIf$1(new A.SassParser__peekIndentation_closure()))
  	        t1.error$2$position(0, "Expected newline.", t1._string_scanner$_position);
  	      containsTab = A._Cell$();
  	      containsSpace = A._Cell$();
  	      nextIndentation = A._Cell$();
  	      do {
  	        containsSpace.__late_helper$_value = containsTab.__late_helper$_value = false;
  	        nextIndentation.__late_helper$_value = 0;
  	        for (;;) {
  	          $label0$0: {
  	            _1_0 = t1.peekChar$0();
  	            if (32 === _1_0) {
  	              containsSpace.__late_helper$_value = true;
  	              break $label0$0;
  	            }
  	            if (9 === _1_0) {
  	              containsTab.__late_helper$_value = true;
  	              break $label0$0;
  	            }
  	            break;
  	          }
  	          t2 = nextIndentation.__late_helper$_value;
  	          if (t2 === nextIndentation)
  	            A.throwExpression(A.LateError$localNI(""));
  	          nextIndentation.__late_helper$_value = t2 + 1;
  	          t1.readChar$0();
  	        }
  	        t2 = t1._string_scanner$_position;
  	        if (t2 === t3) {
  	          _this._nextIndentation = 0;
  	          _this._nextIndentationEnd = new A._SpanScannerState(t1, t2);
  	          t1.set$state(start);
  	          return 0;
  	        }
  	      } while (_this.scanCharIf$1(new A.SassParser__peekIndentation_closure0()));
  	      t2 = containsTab._readLocal$0();
  	      t3 = containsSpace._readLocal$0();
  	      if (t2) {
  	        if (t3) {
  	          t2 = t1._string_scanner$_position;
  	          t3 = t1._sourceFile;
  	          t4 = t3.getColumn$1(t2);
  	          t1.error$3$length$position(0, "Tabs and spaces may not be mixed.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	        } else if (_this._spaces === true) {
  	          t2 = t1._string_scanner$_position;
  	          t3 = t1._sourceFile;
  	          t4 = t3.getColumn$1(t2);
  	          t1.error$3$length$position(0, "Expected spaces, was tabs.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	        }
  	      } else if (t3 && _this._spaces === false) {
  	        t2 = t1._string_scanner$_position;
  	        t3 = t1._sourceFile;
  	        t4 = t3.getColumn$1(t2);
  	        t1.error$3$length$position(0, "Expected tabs, was spaces.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	      }
  	      _this._nextIndentation = nextIndentation._readLocal$0();
  	      if (nextIndentation._readLocal$0() > 0)
  	        if (_this._spaces == null)
  	          _this._spaces = containsSpace._readLocal$0();
  	      _this._nextIndentationEnd = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.set$state(start);
  	      return nextIndentation._readLocal$0();
  	    },
  	    _tryTrailingSemicolon$0() {
  	      if (this.scanCharIf$1(new A.SassParser__tryTrailingSemicolon_closure())) {
  	        this.whitespace$1$consumeNewlines(false);
  	        return true;
  	      }
  	      return false;
  	    }
  	  };
  	  A.SassParser_styleRuleSelector_closure.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser_children_closure.prototype = {
  	    call$0() {
  	      var _0_0 = this.$this._child$1(this.child);
  	      if (_0_0 != null)
  	        this.children.push(_0_0);
  	    },
  	    $signature: 0
  	  };
  	  A.SassParser__peekIndentation_closure.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser__peekIndentation_closure0.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser__tryTrailingSemicolon_closure.prototype = {
  	    call$1(char) {
  	      return char === 59;
  	    },
  	    $signature: 31
  	  };
  	  A.ScssParser.prototype = {
  	    get$indented() {
  	      return false;
  	    },
  	    get$currentIndentation() {
  	      return 0;
  	    },
  	    styleRuleSelector$0() {
  	      return this.almostAnyValue$0();
  	    },
  	    expectStatementSeparator$1($name) {
  	      var t1, _0_0;
  	      this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      t1 = this.scanner;
  	      if (t1._string_scanner$_position === t1.string.length)
  	        return;
  	      _0_0 = t1.peekChar$0();
  	      if (59 === _0_0 || 125 === _0_0)
  	        return;
  	      t1.expectChar$1(59);
  	    },
  	    expectStatementSeparator$0() {
  	      return this.expectStatementSeparator$1(null);
  	    },
  	    atEndOfStatement$0() {
  	      var next = this.scanner.peekChar$0();
  	      return next == null || next === 59 || next === 125 || next === 123;
  	    },
  	    lookingAtChildren$0() {
  	      return this.scanner.peekChar$0() === 123;
  	    },
  	    scanElse$1(ifIndentation) {
  	      var t3, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      _this.whitespace$1$consumeNewlines(true);
  	      t3 = t1._string_scanner$_position;
  	      if (t1.scanChar$1(64)) {
  	        if (_this.scanIdentifier$2$caseSensitive("else", true))
  	          return true;
  	        if (_this.scanIdentifier$2$caseSensitive("elseif", true)) {
  	          _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_HUu, string$.x40elsei, _this.spanFrom$1(new A._SpanScannerState(t1, t3))));
  	          t1.set$position(t1._string_scanner$_position - 2);
  	          return true;
  	        }
  	      }
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      return false;
  	    },
  	    children$1(_, child) {
  	      var children, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$1(123);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      children = A._setArrayType([], type$.JSArray_Statement);
  	      for (;;)
  	        switch (t1.peekChar$0()) {
  	          case 36:
  	            children.push(_this.variableDeclarationWithoutNamespace$0());
  	            break;
  	          case 47:
  	            switch (t1.peekChar$1(1)) {
  	              case 47:
  	                children.push(_this._scss$_silentComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              case 42:
  	                children.push(_this._scss$_loudComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              default:
  	                children.push(child.call$0());
  	            }
  	            break;
  	          case 59:
  	            t1.readChar$0();
  	            _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	            break;
  	          case 125:
  	            t1.expectChar$1(125);
  	            return children;
  	          default:
  	            children.push(child.call$0());
  	        }
  	    },
  	    statements$1(statement) {
  	      var t1, t2, _0_0, _1_0, _this = this,
  	        statements = A._setArrayType([], type$.JSArray_Statement);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      for (t1 = _this.scanner, t2 = t1.string.length; t1._string_scanner$_position !== t2;)
  	        switch (t1.peekChar$0()) {
  	          case 36:
  	            statements.push(_this.variableDeclarationWithoutNamespace$0());
  	            break;
  	          case 47:
  	            switch (t1.peekChar$1(1)) {
  	              case 47:
  	                statements.push(_this._scss$_silentComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              case 42:
  	                statements.push(_this._scss$_loudComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              default:
  	                _0_0 = statement.call$0();
  	                if (_0_0 != null)
  	                  statements.push(_0_0);
  	            }
  	            break;
  	          case 59:
  	            t1.readChar$0();
  	            _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	            break;
  	          default:
  	            _1_0 = statement.call$0();
  	            if (_1_0 != null)
  	              statements.push(_1_0);
  	        }
  	      return statements;
  	    },
  	    _scss$_silentComment$0() {
  	      var t3, t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        start = new A._SpanScannerState(t1, t2);
  	      t1.expect$1("//");
  	      t3 = t1.string.length;
  	      do {
  	        for (;;) {
  	          if (t1._string_scanner$_position !== t3) {
  	            t4 = t1.readChar$0();
  	            t4 = !(t4 === 10 || t4 === 13 || t4 === 12);
  	          } else
  	            t4 = false;
  	          if (!t4)
  	            break;
  	        }
  	        if (t1._string_scanner$_position === t3)
  	          break;
  	        _this.spaces$0();
  	      } while (t1.scan$1("//"));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Silent, _this.spanFrom$1(start));
  	      return _this.lastSilentComment = new A.SilentComment(t1.substring$1(0, t2), _this.spanFrom$1(start));
  	    },
  	    _scss$_loudComment$0() {
  	      var t3, t4, t5, buffer, _0_0, t6,
  	        t1 = this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("/*");
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      t3._contents = "/*";
  	      $label0$1:
  	        for (;;)
  	          switch (t1.peekChar$0()) {
  	            case 35:
  	              if (t1.peekChar$1(1) === 123) {
  	                _0_0 = this.singleInterpolation$0();
  	                buffer._flushText$0();
  	                t4.push(_0_0._0);
  	                t5.push(_0_0._1);
  	              } else {
  	                t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	                t3._contents += t6;
  	              }
  	              break;
  	            case 42:
  	              t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t6;
  	              if (t1.peekChar$0() !== 47)
  	                continue $label0$1;
  	              t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t4;
  	              return new A.LoudComment(buffer.interpolation$1(this.spanFrom$1(new A._SpanScannerState(t1, t2))));
  	            case 13:
  	              t1.readChar$0();
  	              if (t1.peekChar$0() !== 10) {
  	                t6 = A.Primitives_stringFromCharCode(10);
  	                t3._contents += t6;
  	              }
  	              break;
  	            case 12:
  	              t1.readChar$0();
  	              t6 = A.Primitives_stringFromCharCode(10);
  	              t3._contents += t6;
  	              break;
  	            default:
  	              t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t6;
  	          }
  	    }
  	  };
  	  A.SelectorParser.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.SelectorParser_parse_closure(this));
  	    },
  	    parseCompoundSelector$0() {
  	      return this.wrapSpanFormatException$1(new A.SelectorParser_parseCompoundSelector_closure(this));
  	    },
  	    _selectorList$0() {
  	      var t4, t5, lineBreak, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = t1._sourceFile,
  	        previousLine = t3.getLine$1(t2),
  	        components = A._setArrayType([_this._complexSelector$0()], type$.JSArray_ComplexSelector);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t4 = t1.string.length; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t1.peekChar$0() === 44)
  	          continue;
  	        t5 = t1._string_scanner$_position;
  	        if (t5 === t4)
  	          break;
  	        lineBreak = t3.getLine$1(t5) !== previousLine;
  	        if (lineBreak)
  	          previousLine = t3.getLine$1(t1._string_scanner$_position);
  	        components.push(_this._complexSelector$1$lineBreak(lineBreak));
  	      }
  	      return A.SelectorList$(components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _complexSelector$1$lineBreak(lineBreak) {
  	      var t4, lastCompound, initialCombinators, _0_0, t5, result, _this = this,
  	        _s18_ = "expected selector.",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        componentStart = new A._SpanScannerState(t1, t2),
  	        t3 = type$.JSArray_CssValue_Combinator,
  	        combinators = A._setArrayType([], t3),
  	        components = A._setArrayType([], type$.JSArray_ComplexSelectorComponent);
  	      for (t4 = type$.CssValue_Combinator, lastCompound = null, initialCombinators = null;;) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _0_0 = t1.peekChar$0();
  	        if (43 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue(B.Combinator_sHB, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (62 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue(B.Combinator_iUF, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (126 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue(B.Combinator_98W, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (_0_0 == null)
  	          break;
  	        t5 = true;
  	        if (91 !== _0_0)
  	          if (46 !== _0_0)
  	            if (35 !== _0_0)
  	              if (37 !== _0_0)
  	                if (58 !== _0_0)
  	                  if (38 !== _0_0)
  	                    if (42 !== _0_0)
  	                      if (124 !== _0_0)
  	                        t5 = _this.lookingAtIdentifier$0();
  	        if (t5) {
  	          if (lastCompound != null) {
  	            t5 = _this.spanFrom$1(componentStart);
  	            result = A.List_List$from(combinators, false, t4);
  	            result.$flags = 3;
  	            components.push(new A.ComplexSelectorComponent(lastCompound, result, t5));
  	          } else if (combinators.length !== 0) {
  	            componentStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	            initialCombinators = combinators;
  	          }
  	          lastCompound = _this._compoundSelector$0();
  	          combinators = A._setArrayType([], t3);
  	          if (t1.peekChar$0() === 38)
  	            t1.error$1(0, string$.x22x26__ma);
  	          continue;
  	        }
  	        break;
  	      }
  	      t3 = combinators.length !== 0;
  	      if (t3 && _this._plainCss)
  	        t1.error$1(0, _s18_);
  	      else if (lastCompound != null) {
  	        t3 = _this.spanFrom$1(componentStart);
  	        components.push(new A.ComplexSelectorComponent(lastCompound, A.List_List$unmodifiable(combinators, t4), t3));
  	      } else if (t3)
  	        initialCombinators = combinators;
  	      else
  	        t1.error$1(0, _s18_);
  	      t3 = initialCombinators == null ? B.List_empty0 : initialCombinators;
  	      return A.ComplexSelector$(t3, components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), lineBreak);
  	    },
  	    _complexSelector$0() {
  	      return this._complexSelector$1$lineBreak(false);
  	    },
  	    _compoundSelector$0() {
  	      var t3, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        components = A._setArrayType([_this._simpleSelector$0()], type$.JSArray_SimpleSelector);
  	      for (t3 = _this._plainCss; _this._isSimpleSelectorStart$1(t1.peekChar$0());)
  	        components.push(_this._simpleSelector$1$allowParent(t3));
  	      return A.CompoundSelector$(components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _simpleSelector$1$allowParent(allowParent) {
  	      var t2, $name, text, t3, suffix, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (allowParent == null)
  	        allowParent = _this._allowParent;
  	      switch (t1.peekChar$0()) {
  	        case 91:
  	          return _this._attributeSelector$0();
  	        case 46:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(46);
  	          return new A.ClassSelector(_this.identifier$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        case 35:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(35);
  	          return new A.IDSelector(_this.identifier$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        case 37:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(37);
  	          $name = _this.identifier$0();
  	          t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          if (_this._plainCss)
  	            _this.error$2(0, string$.Placeh, _this.spanFrom$1(start));
  	          return new A.PlaceholderSelector($name, t2);
  	        case 58:
  	          return _this._pseudoSelector$0();
  	        case 38:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(38);
  	          if (_this.lookingAtIdentifierBody$0()) {
  	            text = new A.StringBuffer("");
  	            _this._identifierBody$1(text);
  	            if (text._contents.length === 0)
  	              t1.error$1(0, "Expected identifier body.");
  	            t3 = text._contents;
  	            suffix = t3.charCodeAt(0) == 0 ? t3 : t3;
  	          } else
  	            suffix = null;
  	          if (_this._plainCss && suffix != null)
  	            t1.error$3$length$position(0, string$.Parent, t1._string_scanner$_position - t2, t2);
  	          t1 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          if (!allowParent)
  	            _this.error$2(0, "Parent selectors aren't allowed here.", _this.spanFrom$1(start));
  	          return new A.ParentSelector(suffix, t1);
  	        default:
  	          return _this._typeOrUniversalSelector$0();
  	      }
  	    },
  	    _simpleSelector$0() {
  	      return this._simpleSelector$1$allowParent(null);
  	    },
  	    _attributeSelector$0() {
  	      var $name, operator, next, value, modifier, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(91);
  	      _this.whitespace$1$consumeNewlines(true);
  	      $name = _this._attributeName$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (t1.scanChar$1(93))
  	        return new A.AttributeSelector($name, _null, _null, _null, _this.spanFrom$1(start));
  	      operator = _this._attributeOperator$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      value = next === 39 || next === 34 ? _this.string$0() : _this.identifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      modifier = next != null && A.CharacterExtension_get_isAlphabetic(next) ? A.Primitives_stringFromCharCode(t1.readChar$0()) : _null;
  	      t1.expectChar$1(93);
  	      return new A.AttributeSelector($name, operator, value, modifier, _this.spanFrom$1(start));
  	    },
  	    _attributeName$0() {
  	      var nameOrNamespace, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.scanChar$1(42)) {
  	        t1.expectChar$1(124);
  	        return new A.QualifiedName(_this.identifier$0(), "*");
  	      }
  	      if (t1.scanChar$1(124))
  	        return new A.QualifiedName(_this.identifier$0(), "");
  	      nameOrNamespace = _this.identifier$0();
  	      if (t1.peekChar$0() !== 124 || t1.peekChar$1(1) === 61)
  	        return new A.QualifiedName(nameOrNamespace, null);
  	      t1.readChar$0();
  	      return new A.QualifiedName(_this.identifier$0(), nameOrNamespace);
  	    },
  	    _attributeOperator$0() {
  	      var t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      switch (t1.readChar$0()) {
  	        case 61:
  	          return B.AttributeOperator_jFZ;
  	        case 126:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_OrK;
  	        case 124:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_g5B;
  	        case 94:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_stc;
  	        case 36:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_xJ9;
  	        case 42:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_h20;
  	        default:
  	          t1.error$2$position(0, 'Expected "]".', start);
  	      }
  	    },
  	    _pseudoSelector$0() {
  	      var element, $name, unvendored, argument, selector, t2, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(58);
  	      element = t1.scanChar$1(58);
  	      $name = _this.identifier$0();
  	      if (!t1.scanChar$1(40))
  	        return A.PseudoSelector$($name, _this.spanFrom$1(start), _null, element, _null);
  	      _this.whitespace$1$consumeNewlines(true);
  	      unvendored = A.unvendor($name);
  	      argument = _null;
  	      selector = _null;
  	      if (element)
  	        if ($.selectorPseudoElements.contains$1(0, unvendored))
  	          selector = _this._selectorList$0();
  	        else
  	          argument = _this.declarationValue$1$allowEmpty(true);
  	      else if ($.selectorPseudoClasses.contains$1(0, unvendored))
  	        selector = _this._selectorList$0();
  	      else if (unvendored === "nth-child" || unvendored === "nth-last-child") {
  	        argument = _this._aNPlusB$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t2 = t1.peekChar$1(-1);
  	        if ((t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12) && t1.peekChar$0() !== 41) {
  	          _this.expectIdentifier$1("of");
  	          argument += " of";
  	          _this.whitespace$1$consumeNewlines(true);
  	          selector = _this._selectorList$0();
  	        }
  	      } else
  	        argument = B.JSString_methods.trimRight$0(_this.declarationValue$1$allowEmpty(true));
  	      t1.expectChar$1(41);
  	      return A.PseudoSelector$($name, _this.spanFrom$1(start), argument, element, selector);
  	    },
  	    _aNPlusB$0() {
  	      var t1, _0_0, t2, $self, next, _this = this;
  	      $label0$0: {
  	        t1 = _this.scanner;
  	        _0_0 = t1.peekChar$0();
  	        if (101 === _0_0 || 69 === _0_0) {
  	          _this.expectIdentifier$1("even");
  	          return "even";
  	        }
  	        if (111 === _0_0 || 79 === _0_0) {
  	          _this.expectIdentifier$1("odd");
  	          return "odd";
  	        }
  	        if (43 === _0_0 || 45 === _0_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          break $label0$0;
  	        }
  	        t2 = "";
  	      }
  	      $self = t1.peekChar$0();
  	      if ($self != null && $self >= 48 && $self <= 57) {
  	        do {
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	          $self = t1.peekChar$0();
  	        } while ($self != null && $self >= 48 && $self <= 57);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this.scanIdentChar$1(110))
  	          return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      } else
  	        _this.expectIdentChar$1(110);
  	      t2 += A.Primitives_stringFromCharCode(110);
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      if (next !== 43 && next !== 45)
  	        return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	      _this.whitespace$1$consumeNewlines(true);
  	      $self = t1.peekChar$0();
  	      if (!($self != null && $self >= 48 && $self <= 57))
  	        t1.error$1(0, "Expected a number.");
  	      do {
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        $self = t1.peekChar$0();
  	      } while ($self != null && $self >= 48 && $self <= 57);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    },
  	    _typeOrUniversalSelector$0() {
  	      var nameOrNamespace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.scanChar$1(42)) {
  	        if (!t1.scanChar$1(124))
  	          return new A.UniversalSelector(null, _this.spanFrom$1(start));
  	        return t1.scanChar$1(42) ? new A.UniversalSelector("*", _this.spanFrom$1(start)) : new A.TypeSelector(new A.QualifiedName(_this.identifier$0(), "*"), _this.spanFrom$1(start));
  	      } else if (t1.scanChar$1(124))
  	        return t1.scanChar$1(42) ? new A.UniversalSelector("", _this.spanFrom$1(start)) : new A.TypeSelector(new A.QualifiedName(_this.identifier$0(), ""), _this.spanFrom$1(start));
  	      nameOrNamespace = _this.identifier$0();
  	      if (!t1.scanChar$1(124))
  	        return new A.TypeSelector(new A.QualifiedName(nameOrNamespace, null), _this.spanFrom$1(start));
  	      else if (t1.scanChar$1(42))
  	        return new A.UniversalSelector(nameOrNamespace, _this.spanFrom$1(start));
  	      else
  	        return new A.TypeSelector(new A.QualifiedName(_this.identifier$0(), nameOrNamespace), _this.spanFrom$1(start));
  	    },
  	    _isSimpleSelectorStart$1(character) {
  	      var t1;
  	      $label0$0: {
  	        if (42 === character || 91 === character || 46 === character || 35 === character || 37 === character || 58 === character) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (38 === character) {
  	          t1 = this._plainCss;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.SelectorParser_parse_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        selector = t1._selectorList$0();
  	      t1 = t1.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length)
  	        t1.error$1(0, "expected selector.");
  	      return selector;
  	    },
  	    $signature: 450
  	  };
  	  A.SelectorParser_parseCompoundSelector_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        compound = t1._compoundSelector$0();
  	      t1 = t1.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length)
  	        t1.error$1(0, "expected selector.");
  	      return compound;
  	    },
  	    $signature: 453
  	  };
  	  A.StylesheetParser.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.StylesheetParser_parse_closure(this));
  	    },
  	    parseParameterList$0() {
  	      return this._parseSingleProduction$1$1(new A.StylesheetParser_parseParameterList_closure(this), type$.ParameterList);
  	    },
  	    parseVariableDeclaration$0() {
  	      return new A._Record_2(this._parseSingleProduction$1$1(new A.StylesheetParser_parseVariableDeclaration_closure(this), type$.VariableDeclaration), this.warnings);
  	    },
  	    parseUseRule$0() {
  	      return new A._Record_2(this._parseSingleProduction$1$1(new A.StylesheetParser_parseUseRule_closure(this), type$.UseRule), this.warnings);
  	    },
  	    _parseSingleProduction$1$1(production, $T) {
  	      return this.wrapSpanFormatException$1(new A.StylesheetParser__parseSingleProduction_closure(this, production, $T));
  	    },
  	    _statement$1$root(root) {
  	      var t2, _this = this,
  	        t1 = _this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (64 === _0_0)
  	        return _this.atRule$2$root(new A.StylesheetParser__statement_closure(_this), root);
  	      if (43 === _0_0) {
  	        if (!_this.get$indented() || !_this.lookingAtIdentifier$1(1))
  	          return _this._styleRule$0();
  	        _this._isUseAllowed = false;
  	        t2 = t1._string_scanner$_position;
  	        t1.readChar$0();
  	        return _this._includeRule$1(new A._SpanScannerState(t1, t2));
  	      }
  	      if (61 === _0_0) {
  	        if (!_this.get$indented())
  	          return _this._styleRule$0();
  	        _this._isUseAllowed = false;
  	        t2 = t1._string_scanner$_position;
  	        t1.readChar$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        return _this._mixinRule$1(new A._SpanScannerState(t1, t2));
  	      }
  	      if (125 === _0_0)
  	        t1.error$2$length(0, 'unmatched "}".', 1);
  	      return _this._inStyleRule || _this._stylesheet$_inUnknownAtRule || _this._stylesheet$_inMixin || _this._inContentBlock ? _this._declarationOrStyleRule$0() : _this._variableDeclarationOrStyleRule$0();
  	    },
  	    _statement$0() {
  	      return this._statement$1$root(false);
  	    },
  	    _variableDeclarationWithNamespace$0() {
  	      var t1 = this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        namespace = this.identifier$0();
  	      t1.expectChar$1(46);
  	      return this.variableDeclarationWithoutNamespace$2(namespace, new A._SpanScannerState(t1, t2));
  	    },
  	    variableDeclarationWithoutNamespace$2(namespace, start_) {
  	      var t1, start, $name, t2, value, flagStart, t3, guarded, global, _0_0, declaration, _this = this,
  	        precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      if (start_ == null) {
  	        t1 = _this.scanner;
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      } else
  	        start = start_;
  	      $name = _this.variableName$0();
  	      t1 = namespace != null;
  	      if (t1)
  	        _this._assertPublic$2($name, new A.StylesheetParser_variableDeclarationWithoutNamespace_closure(_this, start));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Sass_v, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(true);
  	      t2 = _this.scanner;
  	      t2.expectChar$1(58);
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._expression$0();
  	      flagStart = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      for (t3 = _this.warnings, guarded = false, global = false; t2.scanChar$1(33);) {
  	        $label0$0: {
  	          _0_0 = _this.identifier$0();
  	          if ("default" === _0_0) {
  	            if (guarded)
  	              t3.push(new A._Record_3_deprecation_message_span(B.Deprecation_nRC, string$.x21defau, _this.spanFrom$1(flagStart)));
  	            guarded = true;
  	            break $label0$0;
  	          }
  	          if ("global" === _0_0) {
  	            if (t1)
  	              _this.error$2(0, string$.x21globai, _this.spanFrom$1(flagStart));
  	            else if (global)
  	              t3.push(new A._Record_3_deprecation_message_span(B.Deprecation_nRC, string$.x21globas, _this.spanFrom$1(flagStart)));
  	            global = true;
  	            break $label0$0;
  	          }
  	          _this.error$2(0, "Invalid flag name.", _this.spanFrom$1(flagStart));
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        flagStart = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      }
  	      _this.expectStatementSeparator$1("variable declaration");
  	      declaration = A.VariableDeclaration$($name, value, _this.spanFrom$1(start), precedingComment, global, guarded, namespace);
  	      if (global)
  	        _this._globalVariables.putIfAbsent$2($name, new A.StylesheetParser_variableDeclarationWithoutNamespace_closure0(declaration));
  	      return declaration;
  	    },
  	    variableDeclarationWithoutNamespace$0() {
  	      return this.variableDeclarationWithoutNamespace$2(null, null);
  	    },
  	    _variableDeclarationOrStyleRule$0() {
  	      var t1, t2, variableOrInterpolation, t3, _this = this;
  	      if (_this.get$plainCss())
  	        return _this._styleRule$0();
  	      if (_this.get$indented() && _this.scanner.scanChar$1(92))
  	        return _this._styleRule$0();
  	      if (!_this.lookingAtIdentifier$0())
  	        return _this._styleRule$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      variableOrInterpolation = _this._variableDeclarationOrInterpolation$0();
  	      if (variableOrInterpolation instanceof A.VariableDeclaration)
  	        t1 = variableOrInterpolation;
  	      else {
  	        t3 = new A.InterpolationBuffer(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t3.addInterpolation$1(type$.Interpolation._as(variableOrInterpolation));
  	        t2 = _this._styleRule$2(t3, new A._SpanScannerState(t1, t2));
  	        t1 = t2;
  	      }
  	      return t1;
  	    },
  	    _declarationOrStyleRule$0() {
  	      var t1, t2, declarationOrBuffer, _this = this;
  	      if (_this.get$indented() && _this.scanner.scanChar$1(92))
  	        return _this._styleRule$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      declarationOrBuffer = _this._declarationOrBuffer$0();
  	      return declarationOrBuffer instanceof A.Statement ? declarationOrBuffer : _this._styleRule$2(type$.InterpolationBuffer._as(declarationOrBuffer), new A._SpanScannerState(t1, t2));
  	    },
  	    _declarationOrBuffer$0() {
  	      var midBuffer, couldBeSelector, beforeDeclaration, value, additional, t2, t3, variableOrInterpolation, $name, isCustomProperty, t4, postColonWhitespace, _0_0, _1_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        nameBuffer = new A.InterpolationBuffer(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        startsWithPunctuation = _this._lookingAtPotentialPropertyHack$0();
  	      if (startsWithPunctuation) {
  	        t2 = t1.readChar$0();
  	        t3 = nameBuffer._interpolation_buffer$_text;
  	        t2 = A.Primitives_stringFromCharCode(t2);
  	        t3._contents += t2;
  	        t2 = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure(_this));
  	        t3 = nameBuffer._interpolation_buffer$_text;
  	        t3._contents += t2;
  	      }
  	      if (!_this._lookingAtInterpolatedIdentifier$0())
  	        return nameBuffer;
  	      variableOrInterpolation = startsWithPunctuation ? _this.interpolatedIdentifier$0() : _this._variableDeclarationOrInterpolation$0();
  	      if (variableOrInterpolation instanceof A.VariableDeclaration)
  	        return variableOrInterpolation;
  	      else
  	        nameBuffer.addInterpolation$1(type$.Interpolation._as(variableOrInterpolation));
  	      _this._isUseAllowed = false;
  	      if (t1.matches$1("/*")) {
  	        t2 = _this.rawText$1(_this.get$loudComment());
  	        t3 = nameBuffer._interpolation_buffer$_text;
  	        t3._contents += t2;
  	      }
  	      midBuffer = new A.StringBuffer("");
  	      t2 = midBuffer;
  	      t3 = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure0(_this));
  	      t2._contents += t3;
  	      t3 = t1._string_scanner$_position;
  	      if (!t1.scanChar$1(58)) {
  	        if (midBuffer._contents.length !== 0) {
  	          t1 = nameBuffer._interpolation_buffer$_text;
  	          t2 = A.Primitives_stringFromCharCode(32);
  	          t1._contents += t2;
  	        }
  	        return nameBuffer;
  	      }
  	      t2 = A.Primitives_stringFromCharCode(58);
  	      midBuffer._contents += t2;
  	      $name = nameBuffer.interpolation$1(_this.spanFrom$2(start, new A._SpanScannerState(t1, t3)));
  	      isCustomProperty = B.JSString_methods.startsWith$1($name.get$initialPlain(), "--");
  	      if (!isCustomProperty)
  	        if (_this._inPlainCssFunction) {
  	          t3 = A.NullableExtension_andThen($name.get$asPlain(), new A.StylesheetParser__declarationOrBuffer_closure1());
  	          if (t3 == null)
  	            t3 = false;
  	        } else
  	          t3 = false;
  	      else
  	        t3 = true;
  	      if (t3) {
  	        if (_this.atEndOfStatement$0()) {
  	          t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	          t2 = t1.offset;
  	          t2 = A.Interpolation$(B.List_empty12, B.List_empty13, A._FileSpan$(t1.file, t2, t2));
  	          t1 = t2;
  	        } else
  	          t1 = _this._interpolatedDeclarationValue$1$silentComments(false);
  	        _this.expectStatementSeparator$1(isCustomProperty ? "custom property" : "@function result");
  	        return A.Declaration$notSassScript($name, new A.StringExpression(t1, false), _this.spanFrom$1(start));
  	      }
  	      if (t1.scanChar$1(58)) {
  	        t1 = nameBuffer;
  	        t3 = t1._interpolation_buffer$_text;
  	        t4 = A.S(midBuffer);
  	        t3._contents = (t3._contents += t4) + t2;
  	        return t1;
  	      } else if (_this.get$indented() && _this._lookingAtInterpolatedIdentifier$0()) {
  	        t1 = nameBuffer;
  	        t2 = t1._interpolation_buffer$_text;
  	        t3 = A.S(midBuffer);
  	        t2._contents += t3;
  	        return t1;
  	      }
  	      postColonWhitespace = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure2(_this));
  	      _0_0 = _this._tryDeclarationChildren$2($name, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      midBuffer._contents += postColonWhitespace;
  	      couldBeSelector = postColonWhitespace.length === 0 && _this._lookingAtInterpolatedIdentifier$0();
  	      beforeDeclaration = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      value = null;
  	      try {
  	        value = _this._expression$0();
  	        if (_this.lookingAtChildren$0()) {
  	          if (couldBeSelector)
  	            _this.expectStatementSeparator$0();
  	        } else if (!_this.atEndOfStatement$0())
  	          _this.expectStatementSeparator$0();
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception))) {
  	          if (!couldBeSelector)
  	            throw exception;
  	          t1.set$state(beforeDeclaration);
  	          additional = _this.almostAnyValue$0();
  	          if (!_this.get$indented() && t1.peekChar$0() === 59)
  	            throw exception;
  	          t1 = nameBuffer._interpolation_buffer$_text;
  	          t2 = A.S(midBuffer);
  	          t1._contents += t2;
  	          nameBuffer.addInterpolation$1(additional);
  	          return nameBuffer;
  	        } else
  	          throw exception;
  	      }
  	      _1_0 = _this._tryDeclarationChildren$3$value($name, start, value);
  	      if (_1_0 != null)
  	        return _1_0;
  	      else {
  	        _this.expectStatementSeparator$0();
  	        return A.Declaration$($name, value, _this.spanFrom$1(start));
  	      }
  	    },
  	    _variableDeclarationOrInterpolation$0() {
  	      var t1, start, identifier, buffer, _this = this;
  	      if (!_this.lookingAtIdentifier$0())
  	        return _this.interpolatedIdentifier$0();
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      identifier = _this.identifier$0();
  	      if (t1.matches$1(".$")) {
  	        t1.readChar$0();
  	        return _this.variableDeclarationWithoutNamespace$2(identifier, start);
  	      } else {
  	        t1 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1._contents = identifier;
  	        if (_this._lookingAtInterpolatedIdentifierBody$0())
  	          buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	        return buffer.interpolation$1(_this.spanFrom$1(start));
  	      }
  	    },
  	    _styleRule$2(buffer, start_) {
  	      var t1, start, interpolation, t2, _this = this;
  	      _this._isUseAllowed = false;
  	      if (start_ == null) {
  	        t1 = _this.scanner;
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      } else
  	        start = start_;
  	      t1 = {};
  	      interpolation = t1.interpolation = _this.styleRuleSelector$0();
  	      if (buffer != null) {
  	        buffer.addInterpolation$1(interpolation);
  	        t2 = t1.interpolation = buffer.interpolation$1(_this.spanFrom$1(start));
  	      } else
  	        t2 = interpolation;
  	      if (t2.contents.length === 0)
  	        _this.scanner.error$1(0, 'expected "}".');
  	      return _this._withStyleRuleChildren$1$3(t2, start, new A.StylesheetParser__styleRule_closure(t1, _this, start), type$.StyleRule);
  	    },
  	    _styleRule$0() {
  	      return this._styleRule$2(null, null);
  	    },
  	    _withStyleRuleChildren$1$3(nodeWithSpan, start, create, $T) {
  	      var _this = this,
  	        wasInStyleRule = _this._inStyleRule;
  	      _this._inStyleRule = true;
  	      return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser__withStyleRuleChildren_closure(_this, nodeWithSpan, wasInStyleRule, create, $T));
  	    },
  	    _propertyOrVariableDeclaration$0() {
  	      var t2, nameBuffer, t3, $name, variableOrInterpolation, _0_0, value, _1_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this._lookingAtPotentialPropertyHack$0()) {
  	        t2 = new A.StringBuffer("");
  	        nameBuffer = new A.InterpolationBuffer(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t2._contents += t3;
  	        t3 = _this.rawText$1(new A.StylesheetParser__propertyOrVariableDeclaration_closure(_this));
  	        t2._contents += t3;
  	        nameBuffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	        $name = nameBuffer.interpolation$1(_this.spanFrom$1(start));
  	      } else if (!_this.get$plainCss()) {
  	        variableOrInterpolation = _this._variableDeclarationOrInterpolation$0();
  	        if (variableOrInterpolation instanceof A.VariableDeclaration)
  	          return variableOrInterpolation;
  	        else
  	          type$.Interpolation._as(variableOrInterpolation);
  	        $name = variableOrInterpolation;
  	      } else
  	        $name = _this.interpolatedIdentifier$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1.expectChar$1(58);
  	      if (B.JSString_methods.startsWith$1($name.get$initialPlain(), "--"))
  	        _this.error$2(0, string$.Declarw, $name.span);
  	      _this.whitespace$1$consumeNewlines(false);
  	      _0_0 = _this._tryDeclarationChildren$2($name, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      value = _this._expression$0();
  	      _1_0 = _this._tryDeclarationChildren$3$value($name, start, value);
  	      if (_1_0 != null)
  	        return _1_0;
  	      else {
  	        _this.expectStatementSeparator$0();
  	        return A.Declaration$($name, value, _this.spanFrom$1(start));
  	      }
  	    },
  	    _tryDeclarationChildren$3$value($name, start, value) {
  	      var _this = this;
  	      if (!_this.lookingAtChildren$0())
  	        return null;
  	      if (_this.get$plainCss())
  	        _this.scanner.error$1(0, string$.Nested);
  	      return _this._withChildren$3(_this.get$_declarationChild(), start, new A.StylesheetParser__tryDeclarationChildren_closure($name, value));
  	    },
  	    _tryDeclarationChildren$2($name, start) {
  	      return this._tryDeclarationChildren$3$value($name, start, null);
  	    },
  	    _declarationChild$0() {
  	      return this.scanner.peekChar$0() === 64 ? this._declarationAtRule$0() : this._propertyOrVariableDeclaration$0();
  	    },
  	    atRule$2$root(child, root) {
  	      var $name, wasUseAllowed, value, optional, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$2$name(64, "@-rule");
  	      $name = _this.interpolatedIdentifier$0();
  	      wasUseAllowed = _this._isUseAllowed;
  	      _this._isUseAllowed = false;
  	      switch ($name.get$asPlain()) {
  	        case "at-root":
  	          return _this._atRootRule$1(start);
  	        case "content":
  	          return _this._contentRule$1(start);
  	        case "debug":
  	          return _this._debugRule$1(start);
  	        case "each":
  	          return _this._eachRule$2(start, child);
  	        case "else":
  	          return _this._disallowedAtRule$1(start);
  	        case "error":
  	          return _this._errorRule$1(start);
  	        case "extend":
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (!_this._inStyleRule && !_this._stylesheet$_inMixin && !_this._inContentBlock)
  	            _this.error$2(0, string$.x40exten, _this.spanFrom$1(start));
  	          value = _this.almostAnyValue$0();
  	          optional = t1.scanChar$1(33);
  	          if (optional) {
  	            _this.expectIdentifier$1("optional");
  	            _this.whitespace$1$consumeNewlines(false);
  	          }
  	          _this.expectStatementSeparator$1("@extend rule");
  	          return new A.ExtendRule(value, optional, _this.spanFrom$1(start));
  	        case "for":
  	          return _this._forRule$2(start, child);
  	        case "forward":
  	          _this._isUseAllowed = wasUseAllowed;
  	          if (!root)
  	            _this._disallowedAtRule$1(start);
  	          return _this._forwardRule$1(start);
  	        case "function":
  	          return _this._functionRule$2(start, $name);
  	        case "if":
  	          return _this._ifRule$2(start, child);
  	        case "import":
  	          return _this._importRule$1(start);
  	        case "include":
  	          return _this._includeRule$1(start);
  	        case "media":
  	          return _this.mediaRule$1(start);
  	        case "mixin":
  	          return _this._mixinRule$1(start);
  	        case "-moz-document":
  	          return _this.mozDocumentRule$2(start, $name);
  	        case "return":
  	          return _this._disallowedAtRule$1(start);
  	        case "supports":
  	          return _this.supportsRule$1(start);
  	        case "use":
  	          _this._isUseAllowed = wasUseAllowed;
  	          if (!root)
  	            _this._disallowedAtRule$1(start);
  	          return _this._useRule$1(start);
  	        case "warn":
  	          return _this._warnRule$1(start);
  	        case "while":
  	          return _this._whileRule$2(start, child);
  	        default:
  	          return _this.unknownAtRule$2(start, $name);
  	      }
  	    },
  	    _declarationAtRule$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        _0_0 = _this._plainAtRuleName$0();
  	      $label0$0: {
  	        if ("content" === _0_0) {
  	          t1 = _this._contentRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("debug" === _0_0) {
  	          t1 = _this._debugRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("each" === _0_0) {
  	          t1 = _this._eachRule$2(start, _this.get$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("else" === _0_0)
  	          _this._disallowedAtRule$1(start);
  	        if ("error" === _0_0) {
  	          t1 = _this._errorRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("for" === _0_0) {
  	          t1 = _this._forRule$2(start, _this.get$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("if" === _0_0) {
  	          t1 = _this._ifRule$2(start, _this.get$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("include" === _0_0) {
  	          t1 = _this._includeRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("warn" === _0_0) {
  	          t1 = _this._warnRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("while" === _0_0) {
  	          t1 = _this._whileRule$2(start, _this.get$_declarationChild());
  	          break $label0$0;
  	        }
  	        t1 = _this._disallowedAtRule$1(start);
  	      }
  	      return t1;
  	    },
  	    _functionChild$0() {
  	      var state, variableDeclarationError, stackTrace, statement, t2, t3, start, _0_0, value, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$0() !== 64) {
  	        state = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        try {
  	          t2 = _this._variableDeclarationWithNamespace$0();
  	          return t2;
  	        } catch (exception) {
  	          t2 = A.unwrapException(exception);
  	          t3 = type$.SourceSpanFormatException;
  	          if (t3._is(t2)) {
  	            variableDeclarationError = t2;
  	            stackTrace = A.getTraceFromException(exception);
  	            t1.set$state(state);
  	            statement = null;
  	            try {
  	              statement = _this._declarationOrStyleRule$0();
  	            } catch (exception) {
  	              if (t3._is(A.unwrapException(exception)))
  	                throw A.wrapException(variableDeclarationError);
  	              else
  	                throw exception;
  	            }
  	            t2 = statement instanceof A.StyleRule ? "style rules" : "declarations";
  	            _this.error$3(0, "@function rules may not contain " + t2 + ".", J.get$span$x(statement), stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      }
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      _0_0 = _this._plainAtRuleName$0();
  	      $label0$0: {
  	        if ("debug" === _0_0) {
  	          t1 = _this._debugRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("each" === _0_0) {
  	          t1 = _this._eachRule$2(start, _this.get$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("else" === _0_0)
  	          _this._disallowedAtRule$1(start);
  	        if ("error" === _0_0) {
  	          t1 = _this._errorRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("for" === _0_0) {
  	          t1 = _this._forRule$2(start, _this.get$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("if" === _0_0) {
  	          t1 = _this._ifRule$2(start, _this.get$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("return" === _0_0) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          value = _this._expression$0();
  	          _this.expectStatementSeparator$1("@return rule");
  	          t1 = new A.ReturnRule(value, _this.spanFrom$1(start));
  	          break $label0$0;
  	        }
  	        if ("warn" === _0_0) {
  	          t1 = _this._warnRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("while" === _0_0) {
  	          t1 = _this._whileRule$2(start, _this.get$_functionChild());
  	          break $label0$0;
  	        }
  	        t1 = _this._disallowedAtRule$1(start);
  	      }
  	      return t1;
  	    },
  	    _plainAtRuleName$0() {
  	      this.scanner.expectChar$2$name(64, "@-rule");
  	      return this.identifier$0();
  	    },
  	    _atRootRule$1(start) {
  	      var t1, t2, t3, buffer, t4, _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = _this.scanner;
  	      if (t1.peekChar$0() === 40) {
  	        t2 = t1._string_scanner$_position;
  	        t3 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1.expectChar$1(40);
  	        t4 = A.Primitives_stringFromCharCode(40);
  	        t3._contents += t4;
  	        _this.whitespace$1$consumeNewlines(true);
  	        _this._addOrInject$2(buffer, _this._expression$1$consumeNewlines(true));
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t4 = A.Primitives_stringFromCharCode(58);
  	          t3._contents += t4;
  	          t4 = A.Primitives_stringFromCharCode(32);
  	          t3._contents += t4;
  	          _this._addOrInject$2(buffer, _this._expression$1$consumeNewlines(true));
  	        }
  	        t1.expectChar$1(41);
  	        _this.whitespace$1$consumeNewlines(false);
  	        t4 = A.Primitives_stringFromCharCode(41);
  	        t3._contents += t4;
  	        return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser__atRootRule_closure(buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)))));
  	      } else {
  	        if (!_this.lookingAtChildren$0())
  	          t1 = _this.get$indented() && _this.atEndOfStatement$0();
  	        else
  	          t1 = true;
  	        if (t1)
  	          return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser__atRootRule_closure0());
  	        else
  	          return A.AtRootRule$(A._setArrayType([_this._styleRule$0()], type$.JSArray_Statement), _this.spanFrom$1(start), null);
  	      }
  	    },
  	    _contentRule$1(start) {
  	      var t1, beforeWhitespace, $arguments, _this = this;
  	      if (!_this._stylesheet$_inMixin)
  	        _this.error$2(0, string$.x40conte, _this.spanFrom$1(start));
  	      t1 = _this.scanner;
  	      beforeWhitespace = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40) {
  	        $arguments = _this._argumentInvocation$1$mixin(true);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else {
  	        t1 = beforeWhitespace.offset;
  	        $arguments = A.ArgumentList$empty(A._FileSpan$(beforeWhitespace.file, t1, t1));
  	      }
  	      _this.expectStatementSeparator$1("@content rule");
  	      return new A.ContentRule($arguments, _this.spanFrom$1(start));
  	    },
  	    _debugRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@debug rule");
  	      return new A.DebugRule(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _eachRule$2(start, child) {
  	      var wasInControlDirective, variables, t1, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._inControlDirective;
  	      _this._inControlDirective = true;
  	      variables = A._setArrayType([_this.variableName$0()], type$.JSArray_String);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t1 = _this.scanner; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(36);
  	        variables.push(_this.identifier$1$normalize(true));
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("in");
  	      _this.whitespace$1$consumeNewlines(true);
  	      return _this._withChildren$3(child, start, new A.StylesheetParser__eachRule_closure(_this, wasInControlDirective, variables, _this._expression$0()));
  	    },
  	    _errorRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@error rule");
  	      return new A.ErrorRule(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _functionRule$2(start, atRuleName) {
  	      var precedingComment, t1, beforeName, $name, _1_0, parameters, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      t1 = _this.scanner;
  	      beforeName = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.matches$1("--"))
  	        return _this.unknownAtRule$2(start, atRuleName);
  	      $name = _this.identifier$0();
  	      if (A.equalsIgnoreCase($name, "type"))
  	        _this.error$2(0, string$.This_n, _this.spanFrom$1(beforeName));
  	      $label0$0: {
  	        if ("expression" === $name || "url" === $name || "and" === $name || "or" === $name || "not" === $name) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = A.unvendor($name) === "element";
  	        break $label0$0;
  	      }
  	      if (t1)
  	        _this.error$2(0, "Invalid function name.", _this.spanFrom$1(beforeName));
  	      else {
  	        _1_0 = $name.toLowerCase();
  	        $label1$1: {
  	          if ("expression" === _1_0 || "url" === _1_0) {
  	            t1 = true;
  	            break $label1$1;
  	          }
  	          t1 = A.unvendor(_1_0) === "element";
  	          break $label1$1;
  	        }
  	        if (t1)
  	          _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_H4k, string$.Customf, _this.spanFrom$1(beforeName)));
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      parameters = _this._parameterList$0();
  	      if (_this._stylesheet$_inMixin || _this._inContentBlock)
  	        _this.error$2(0, string$.Mixinscf, _this.spanFrom$1(start));
  	      else if (_this._inControlDirective)
  	        _this.error$2(0, string$.Functi, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._withChildren$3(_this.get$_functionChild(), start, new A.StylesheetParser__functionRule_closure($name, parameters, precedingComment));
  	    },
  	    _forRule$2(start, child) {
  	      var wasInControlDirective, variable, from, _this = this, t1 = {};
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._inControlDirective;
  	      _this._inControlDirective = true;
  	      variable = _this.variableName$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("from");
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1.exclusive = null;
  	      from = _this._expression$2$consumeNewlines$until(true, new A.StylesheetParser__forRule_closure(t1, _this));
  	      if (t1.exclusive == null)
  	        _this.scanner.error$1(0, 'Expected "to" or "through".');
  	      _this.whitespace$1$consumeNewlines(true);
  	      return _this._withChildren$3(child, start, new A.StylesheetParser__forRule_closure0(t1, _this, wasInControlDirective, variable, from, _this._expression$0()));
  	    },
  	    _forwardRule$1(start) {
  	      var url, prefix, hiddenMixinsAndFunctions, hiddenVariables, _0_0, shownMixinsAndFunctions, shownVariables, _1_0, configuration, span, t1, t2, t3, t4, _this = this, _null = null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      url = _this._urlString$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (_this.scanIdentifier$1("as")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        prefix = _this.identifier$1$normalize(true);
  	        _this.scanner.expectChar$1(42);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else
  	        prefix = _null;
  	      hiddenMixinsAndFunctions = _null;
  	      hiddenVariables = _null;
  	      if (_this.scanIdentifier$1("show")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _0_0 = _this._memberList$0();
  	        shownMixinsAndFunctions = _0_0._0;
  	        shownVariables = _0_0._1;
  	      } else {
  	        if (_this.scanIdentifier$1("hide")) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          _1_0 = _this._memberList$0();
  	          hiddenMixinsAndFunctions = _1_0._0;
  	          hiddenVariables = _1_0._1;
  	        }
  	        shownVariables = _null;
  	        shownMixinsAndFunctions = shownVariables;
  	      }
  	      configuration = _this._stylesheet$_configuration$1$allowGuarded(true);
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this.expectStatementSeparator$1("@forward rule");
  	      span = _this.spanFrom$1(start);
  	      if (!_this._isUseAllowed)
  	        _this.error$2(0, string$.x40forwa, span);
  	      if (shownMixinsAndFunctions != null) {
  	        shownVariables.toString;
  	        t1 = type$.String;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(shownMixinsAndFunctions, t1);
  	        t3 = type$.UnmodifiableSetView_String;
  	        t1 = A.LinkedHashSet_LinkedHashSet$of(shownVariables, t1);
  	        t4 = configuration == null ? B.List_empty11 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable);
  	        return new A.ForwardRule(url, new A.UnmodifiableSetView0(t2, t3), new A.UnmodifiableSetView0(t1, t3), _null, _null, prefix, t4, span);
  	      } else if (hiddenMixinsAndFunctions != null) {
  	        hiddenVariables.toString;
  	        t1 = type$.String;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(hiddenMixinsAndFunctions, t1);
  	        t3 = type$.UnmodifiableSetView_String;
  	        t1 = A.LinkedHashSet_LinkedHashSet$of(hiddenVariables, t1);
  	        t4 = configuration == null ? B.List_empty11 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable);
  	        return new A.ForwardRule(url, _null, _null, new A.UnmodifiableSetView0(t2, t3), new A.UnmodifiableSetView0(t1, t3), prefix, t4, span);
  	      } else
  	        return new A.ForwardRule(url, _null, _null, _null, _null, prefix, configuration == null ? B.List_empty11 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable), span);
  	    },
  	    _memberList$0() {
  	      var _this = this,
  	        t1 = type$.String,
  	        identifiers = A.LinkedHashSet_LinkedHashSet$_empty(t1),
  	        variables = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      t1 = _this.scanner;
  	      do {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _this.withErrorMessage$2(string$.Expectv, new A.StylesheetParser__memberList_closure(_this, variables, identifiers));
  	        _this.whitespace$1$consumeNewlines(false);
  	      } while (t1.scanChar$1(44));
  	      return new A._Record_2(identifiers, variables);
  	    },
  	    _ifRule$2(start, child) {
  	      var ifIndentation, wasInControlDirective, condition, children, clauses, lastClause, span, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      ifIndentation = _this.get$currentIndentation();
  	      wasInControlDirective = _this._inControlDirective;
  	      _this._inControlDirective = true;
  	      condition = _this._expression$0();
  	      children = _this.children$1(0, child);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      clauses = A._setArrayType([A.IfClause$(condition, children)], type$.JSArray_IfClause);
  	      for (;;) {
  	        if (!_this.scanElse$1(ifIndentation)) {
  	          lastClause = null;
  	          break;
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (_this.scanIdentifier$1("if")) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          clauses.push(A.IfClause$(_this._expression$0(), _this.children$1(0, child)));
  	        } else {
  	          lastClause = A.ElseClause$(_this.children$1(0, child));
  	          break;
  	        }
  	      }
  	      _this._inControlDirective = wasInControlDirective;
  	      span = _this.spanFrom$1(start);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      return new A.IfRule(A.List_List$unmodifiable(clauses, type$.IfClause), lastClause, span);
  	    },
  	    _importRule$1(start) {
  	      var argument, t3, _this = this,
  	        imports = A._setArrayType([], type$.JSArray_Import),
  	        t1 = _this.scanner,
  	        t2 = _this.warnings;
  	      do {
  	        _this.whitespace$1$consumeNewlines(false);
  	        argument = _this.importArgument$0();
  	        t3 = argument instanceof A.DynamicImport;
  	        if (t3)
  	          t2.push(new A._Record_3_deprecation_message_span(B.Deprecation_6BW, string$.Sass__i, argument.span));
  	        if ((_this._inControlDirective || _this._stylesheet$_inMixin) && t3)
  	          _this._disallowedAtRule$1(start);
  	        imports.push(argument);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } while (t1.scanChar$1(44));
  	      _this.expectStatementSeparator$1("@import rule");
  	      t1 = _this.spanFrom$1(start);
  	      return new A.ImportRule(A.List_List$unmodifiable(imports, type$.Import), t1);
  	    },
  	    importArgument$0() {
  	      var url, urlSpan, innerError, stackTrace, modifiers, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        _0_0 = t1.peekChar$0();
  	      if (117 === _0_0 || 85 === _0_0) {
  	        url = _this.dynamicUrl$0();
  	        _this.whitespace$1$consumeNewlines(false);
  	        modifiers = _this.tryImportModifiers$0();
  	        t1 = url instanceof A.StringExpression ? url.text : A.Interpolation$(A._setArrayType([url], type$.JSArray_Object), A._setArrayType([url.get$span(url)], type$.JSArray_nullable_FileSpan), url.get$span(url));
  	        return new A.StaticImport(t1, modifiers, _this.spanFrom$1(start));
  	      }
  	      url = _this.string$0();
  	      urlSpan = _this.spanFrom$1(start);
  	      _this.whitespace$1$consumeNewlines(false);
  	      modifiers = _this.tryImportModifiers$0();
  	      if (_this.isPlainImportUrl$1(url) || modifiers != null)
  	        return new A.StaticImport(new A.Interpolation(A.List_List$unmodifiable([urlSpan.get$text()], type$.Object), B.List_null, urlSpan), modifiers, _this.spanFrom$1(start));
  	      else
  	        try {
  	          t1 = _this.parseImportUrl$1(url);
  	          return new A.DynamicImport(t1, urlSpan);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.FormatException._is(t1)) {
  	            innerError = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), urlSpan, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	    },
  	    parseImportUrl$1(url) {
  	      var t1 = $.$get$windows();
  	      if (t1.style.rootLength$1(url) > 0 && !$.$get$url().style.isRootRelative$1(url))
  	        return t1.toUri$1(url).toString$0(0);
  	      A.Uri_parse(url);
  	      return url;
  	    },
  	    isPlainImportUrl$1(url) {
  	      var _0_0, t1;
  	      if (url.length < 5)
  	        return false;
  	      if (B.JSString_methods.endsWith$1(url, ".css"))
  	        return true;
  	      _0_0 = url.charCodeAt(0);
  	      $label0$0: {
  	        if (47 === _0_0) {
  	          t1 = url.charCodeAt(1) === 47;
  	          break $label0$0;
  	        }
  	        if (104 === _0_0) {
  	          t1 = B.JSString_methods.startsWith$1(url, "http://") || B.JSString_methods.startsWith$1(url, "https://");
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    tryImportModifiers$0() {
  	      var t1, start, t2, t3, t4, buffer, t5, identifier, $name, query, t6, _this = this;
  	      if (!_this._lookingAtInterpolatedIdentifier$0() && _this.scanner.peekChar$0() !== 40)
  	        return null;
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t2 = new A.StringBuffer("");
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      t4 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t2, t3, t4);
  	      for (;;)
  	        if (_this._lookingAtInterpolatedIdentifier$0()) {
  	          if (!(t3.length === 0 && t2._contents.length === 0)) {
  	            t5 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t5;
  	          }
  	          identifier = _this.interpolatedIdentifier$0();
  	          buffer.addInterpolation$1(identifier);
  	          t5 = identifier.get$asPlain();
  	          $name = t5 == null ? null : t5.toLowerCase();
  	          if ($name !== "and" && t1.scanChar$1(40)) {
  	            if ($name === "supports") {
  	              query = _this._importSupportsQuery$0();
  	              t5 = !(query instanceof A.SupportsDeclaration);
  	              if (t5) {
  	                t6 = A.Primitives_stringFromCharCode(40);
  	                t2._contents += t6;
  	              }
  	              t6 = query.get$span(query);
  	              buffer._flushText$0();
  	              t3.push(new A.SupportsExpression(query));
  	              t4.push(t6);
  	              if (t5) {
  	                t5 = A.Primitives_stringFromCharCode(41);
  	                t2._contents += t5;
  	              }
  	            } else {
  	              t5 = A.Primitives_stringFromCharCode(40);
  	              t2._contents += t5;
  	              buffer.addInterpolation$1(_this._interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true));
  	              t5 = A.Primitives_stringFromCharCode(41);
  	              t2._contents += t5;
  	            }
  	            t1.expectChar$1(41);
  	            _this.whitespace$1$consumeNewlines(false);
  	          } else {
  	            _this.whitespace$1$consumeNewlines(false);
  	            if (t1.scanChar$1(44)) {
  	              t2._contents += ", ";
  	              buffer.addInterpolation$1(_this._mediaQueryList$0());
  	              return buffer.interpolation$1(_this.spanFrom$1(start));
  	            }
  	          }
  	        } else if (t1.peekChar$0() === 40) {
  	          if (!(t3.length === 0 && t2._contents.length === 0)) {
  	            t1 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t1;
  	          }
  	          buffer.addInterpolation$1(_this._mediaQueryList$0());
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        } else
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	    },
  	    _importSupportsQuery$0() {
  	      var t1, t2, _0_0, $name, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1 = _this.scanner;
  	        t2 = t1._string_scanner$_position;
  	        return new A.SupportsNegation(_this._supportsConditionInParens$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      } else {
  	        t1 = _this.scanner;
  	        if (t1.peekChar$0() === 40)
  	          return _this._supportsCondition$1$inParentheses(true);
  	        else {
  	          _0_0 = _this._tryImportSupportsFunction$0();
  	          if (_0_0 != null)
  	            return _0_0;
  	          t2 = t1._string_scanner$_position;
  	          $name = _this._expression$1$consumeNewlines(true);
  	          t1.expectChar$1(58);
  	          return new A.SupportsDeclaration($name, _this._supportsDeclarationValue$1($name), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        }
  	      }
  	    },
  	    _tryImportSupportsFunction$0() {
  	      var t1, start, $name, value, _this = this;
  	      if (!_this._lookingAtInterpolatedIdentifier$0())
  	        return null;
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      $name = _this.interpolatedIdentifier$0();
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      value = _this._interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      t1.expectChar$1(41);
  	      return new A.SupportsFunction($name, value, _this.spanFrom$1(start));
  	    },
  	    _includeRule$1(start) {
  	      var $name, t1, name0, namespace, $arguments, t2, t3, contentParameters, contentParameters_, wasInContentBlock, $content, span, _this = this, _null = null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      $name = _this.identifier$0();
  	      t1 = _this.scanner;
  	      if (t1.scanChar$1(46)) {
  	        name0 = _this._publicIdentifier$0();
  	        namespace = $name;
  	        $name = name0;
  	      } else
  	        namespace = _null;
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40)
  	        $arguments = _this._argumentInvocation$1$mixin(true);
  	      else {
  	        t2 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	        t3 = t2.offset;
  	        $arguments = A.ArgumentList$empty(A._FileSpan$(t2.file, t3, t3));
  	      }
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (_this.scanIdentifier$1("using")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        contentParameters = _this._parameterList$0();
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else
  	        contentParameters = _null;
  	      t2 = contentParameters == null;
  	      if (!t2 || _this.lookingAtChildren$0()) {
  	        if (t2) {
  	          t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	          t2 = t1.offset;
  	          contentParameters_ = new A.ParameterList(B.List_empty14, _null, A._FileSpan$(t1.file, t2, t2));
  	        } else
  	          contentParameters_ = contentParameters;
  	        wasInContentBlock = _this._inContentBlock;
  	        _this._inContentBlock = true;
  	        $content = _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser__includeRule_closure(contentParameters_));
  	        _this._inContentBlock = wasInContentBlock;
  	      } else {
  	        _this.expectStatementSeparator$0();
  	        $content = _null;
  	      }
  	      t1 = _this.spanFrom$2(start, start);
  	      t2 = $content == null ? $arguments : $content;
  	      span = t1.expand$1(0, t2.get$span(t2));
  	      return new A.IncludeRule(namespace, A.stringReplaceAllUnchecked($name, "_", "-"), $name, $arguments, $content, span);
  	    },
  	    mediaRule$1(start) {
  	      var _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser_mediaRule_closure(_this._mediaQueryList$0()));
  	    },
  	    _mixinRule$1(start) {
  	      var precedingComment, t1, t2, $name, parameters, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      $name = _this.identifier$0();
  	      if (B.JSString_methods.startsWith$1($name, "--"))
  	        _this.error$2(0, string$.Sass__m, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40)
  	        parameters = _this._parameterList$0();
  	      else {
  	        t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	        t2 = t1.offset;
  	        parameters = new A.ParameterList(B.List_empty14, null, A._FileSpan$(t1.file, t2, t2));
  	      }
  	      if (_this._stylesheet$_inMixin || _this._inContentBlock)
  	        _this.error$2(0, string$.Mixinscm, _this.spanFrom$1(start));
  	      else if (_this._inControlDirective)
  	        _this.error$2(0, string$.Mixinsb, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this._stylesheet$_inMixin = true;
  	      return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser__mixinRule_closure(_this, $name, parameters, precedingComment));
  	    },
  	    mozDocumentRule$2(start, $name) {
  	      var t1, t2, t3, t4, t5, buffer, _0_0, identifierStart, identifier, _1_0, argument, t6, trailing, start0, end, _this = this, _box_0 = {};
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      _box_0.needsDeprecationWarning = false;
  	      for (;;) {
  	        if (t1.peekChar$0() === 35) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          _box_0.needsDeprecationWarning = true;
  	        } else {
  	          identifierStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	          identifier = _this.identifier$0();
  	          $label0$0: {
  	            if ("url" === identifier || "url-prefix" === identifier || "domain" === identifier) {
  	              _1_0 = _this._tryUrlContents$2$name(identifierStart, identifier);
  	              if (_1_0 != null)
  	                buffer.addInterpolation$1(_1_0);
  	              else {
  	                t1.expectChar$1(40);
  	                _this.whitespace$1$consumeNewlines(false);
  	                argument = _this.interpolatedStringToken$0();
  	                t1.expectChar$1(41);
  	                t3._contents += identifier;
  	                t6 = A.Primitives_stringFromCharCode(40);
  	                t3._contents += t6;
  	                buffer.addInterpolation$1(argument);
  	                t6 = A.Primitives_stringFromCharCode(41);
  	                t3._contents += t6;
  	              }
  	              t6 = t3._contents;
  	              trailing = t6.charCodeAt(0) == 0 ? t6 : t6;
  	              if (!B.JSString_methods.endsWith$1(trailing, "url-prefix()") && !B.JSString_methods.endsWith$1(trailing, "url-prefix('')") && !B.JSString_methods.endsWith$1(trailing, 'url-prefix("")'))
  	                _box_0.needsDeprecationWarning = true;
  	              break $label0$0;
  	            }
  	            if ("regexp" === identifier) {
  	              t3._contents += "regexp(";
  	              t1.expectChar$1(40);
  	              buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	              t1.expectChar$1(41);
  	              t6 = A.Primitives_stringFromCharCode(41);
  	              t3._contents += t6;
  	              _box_0.needsDeprecationWarning = true;
  	              break $label0$0;
  	            }
  	            _this.error$2(0, "Invalid function name.", _this.spanFrom$1(identifierStart));
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        t6 = A.Primitives_stringFromCharCode(44);
  	        t3._contents += t6;
  	        start0 = t1._string_scanner$_position;
  	        new A.StylesheetParser_mozDocumentRule_closure(_this).call$0();
  	        end = t1._string_scanner$_position;
  	        t3._contents += B.JSString_methods.substring$2(t1.string, start0, end);
  	      }
  	      return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser_mozDocumentRule_closure0(_box_0, _this, $name, buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)))));
  	    },
  	    supportsRule$1(start) {
  	      var condition, _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      condition = _this._supportsCondition$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser_supportsRule_closure(condition));
  	    },
  	    _useRule$1(start) {
  	      var url, namespace, configuration, span, t1, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      url = _this._urlString$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      namespace = _this._useNamespace$2(url, start);
  	      _this.whitespace$1$consumeNewlines(false);
  	      configuration = _this._stylesheet$_configuration$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      span = _this.spanFrom$1(start);
  	      if (!_this._isUseAllowed)
  	        _this.error$2(0, string$.x40use_r, span);
  	      _this.expectStatementSeparator$1("@use rule");
  	      t1 = new A.UseRule(url, namespace, configuration == null ? B.List_empty11 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable), span);
  	      t1.UseRule$4$configuration(url, namespace, span, configuration);
  	      return t1;
  	    },
  	    _useNamespace$2(url, start) {
  	      var namespace, basename, dot, t1, _this = this;
  	      if (_this.scanIdentifier$1("as")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        return _this.scanner.scanChar$1(42) ? null : _this.identifier$0();
  	      }
  	      basename = url.get$pathSegments().length === 0 ? "" : B.JSArray_methods.get$last(url.get$pathSegments());
  	      dot = B.JSString_methods.indexOf$1(basename, ".");
  	      t1 = B.JSString_methods.startsWith$1(basename, "_") ? 1 : 0;
  	      namespace = B.JSString_methods.substring$2(basename, t1, dot === -1 ? basename.length : dot);
  	      try {
  	        t1 = new A.Parser(A.SpanScanner$(namespace, null), null)._parseIdentifier$0();
  	        return t1;
  	      } catch (exception) {
  	        if (type$.SassFormatException._is(A.unwrapException(exception)))
  	          _this.error$2(0, 'The default namespace "' + A.S(namespace) + string$.x22x20is_n, _this.spanFrom$1(start));
  	        else
  	          throw exception;
  	      }
  	    },
  	    _stylesheet$_configuration$1$allowGuarded(allowGuarded) {
  	      var variableNames, configuration, t1, t2, variableStart, $name, expression, t3, guarded, span, _this = this;
  	      if (!_this.scanIdentifier$1("with"))
  	        return null;
  	      variableNames = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      configuration = A._setArrayType([], type$.JSArray_ConfiguredVariable);
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1 = _this.scanner;
  	      t1.expectChar$1(40);
  	      for (t2 = _this.warnings;;) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        variableStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        t1.expectChar$1(36);
  	        $name = _this.identifier$1$normalize(true);
  	        if (B.JSString_methods.startsWith$1($name, "-"))
  	          t2.push(new A._Record_3_deprecation_message_span(B.Deprecation_mXO, string$.Config, _this.spanFrom$1(variableStart)));
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this.expressionUntilComma$0();
  	        t3 = t1._string_scanner$_position;
  	        if (allowGuarded && t1.scanChar$1(33)) {
  	          guarded = _this.identifier$0() === "default";
  	          if (guarded)
  	            _this.whitespace$1$consumeNewlines(true);
  	          else
  	            _this.error$2(0, "Invalid flag name.", _this.spanFrom$1(new A._SpanScannerState(t1, t3)));
  	        } else
  	          guarded = false;
  	        span = _this.spanFrom$1(variableStart);
  	        if (variableNames.contains$1(0, $name))
  	          _this.error$2(0, string$.The_sa, span);
  	        variableNames.add$1(0, $name);
  	        configuration.push(new A.ConfiguredVariable($name, expression, guarded, span));
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this._lookingAtExpression$0())
  	          break;
  	      }
  	      t1.expectChar$1(41);
  	      return configuration;
  	    },
  	    _stylesheet$_configuration$0() {
  	      return this._stylesheet$_configuration$1$allowGuarded(false);
  	    },
  	    _warnRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@warn rule");
  	      return new A.WarnRule(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _whileRule$2(start, child) {
  	      var wasInControlDirective, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._inControlDirective;
  	      _this._inControlDirective = true;
  	      return _this._withChildren$3(child, start, new A.StylesheetParser__whileRule_closure(_this, wasInControlDirective, _this._expression$0()));
  	    },
  	    unknownAtRule$2(start, $name) {
  	      var wasInPlainCssFunction, t2, _0_0, t3, _this = this, t1 = {},
  	        wasInUnknownAtRule = _this._stylesheet$_inUnknownAtRule;
  	      _this._stylesheet$_inUnknownAtRule = true;
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1.value = null;
  	      t2 = _this.scanner.peekChar$0() !== 33 && !_this.atEndOfStatement$0() ? t1.value = _this._interpolatedDeclarationValue$1$allowOpenBrace(false) : null;
  	      wasInPlainCssFunction = _this._inPlainCssFunction;
  	      _0_0 = $name.get$asPlain();
  	      if (_0_0 != null)
  	        t3 = A.equalsIgnoreCase(_0_0, "function");
  	      else
  	        t3 = false;
  	      if (t3)
  	        _this._inPlainCssFunction = true;
  	      try {
  	        if (_this.lookingAtChildren$0()) {
  	          t1 = _this._withChildren$3(_this.get$_statement(), start, new A.StylesheetParser_unknownAtRule_closure(t1, $name));
  	          return t1;
  	        } else {
  	          _this.expectStatementSeparator$0();
  	          t1 = A.AtRule$($name, _this.spanFrom$1(start), null, t2);
  	          return t1;
  	        }
  	      } finally {
  	        _this._stylesheet$_inUnknownAtRule = wasInUnknownAtRule;
  	        _this._inPlainCssFunction = wasInPlainCssFunction;
  	      }
  	    },
  	    _disallowedAtRule$1(start) {
  	      var _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this._interpolatedDeclarationValue$2$allowEmpty$allowOpenBrace(true, false);
  	      _this.error$2(0, "This at-rule is not allowed here.", _this.spanFrom$1(start));
  	    },
  	    _parameterList$0() {
  	      var parameters, named, restParameter, t3, $name, defaultValue, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      parameters = A._setArrayType([], type$.JSArray_Parameter);
  	      named = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      while (restParameter = null, t1.peekChar$0() === 36) {
  	        t3 = t1._string_scanner$_position;
  	        t1.expectChar$1(36);
  	        $name = _this.identifier$1$normalize(true);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          defaultValue = _this.expressionUntilComma$0();
  	        } else {
  	          if (t1.scanChar$1(46)) {
  	            t1.expectChar$1(46);
  	            t1.expectChar$1(46);
  	            _this.whitespace$1$consumeNewlines(true);
  	            if (t1.scanChar$1(44))
  	              _this.whitespace$1$consumeNewlines(true);
  	            restParameter = $name;
  	            break;
  	          }
  	          defaultValue = null;
  	        }
  	        parameters.push(new A.Parameter($name, defaultValue, _this.spanFrom$1(new A._SpanScannerState(t1, t3))));
  	        if (!named.add$1(0, $name))
  	          _this.error$2(0, "Duplicate parameter.", B.JSArray_methods.get$last(parameters).span);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1.expectChar$1(41);
  	      t1 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      return new A.ParameterList(A.List_List$unmodifiable(parameters, type$.Parameter), restParameter, t1);
  	    },
  	    _argumentInvocation$2$allowEmptySecondArg$mixin(allowEmptySecondArg, mixin) {
  	      var positional, t3, named, namedSpans, t4, t5, t6, rest, emittedRestDeprecation, keywordRest, expression, emittedRestDeprecation0, t7, value, t8, result, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      positional = A._setArrayType([], type$.JSArray_Expression);
  	      t3 = type$.String;
  	      named = A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.Expression);
  	      namedSpans = A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.FileSpan);
  	      for (t4 = !mixin, t5 = _this.warnings, t6 = type$.SourceSpan, rest = null, emittedRestDeprecation = false; keywordRest = null, _this._lookingAtExpression$0();) {
  	        expression = _this.expressionUntilComma$1$singleEquals(t4);
  	        _this.whitespace$1$consumeNewlines(true);
  	        emittedRestDeprecation0 = true;
  	        if (expression instanceof A.VariableExpression && t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t7 = expression.name;
  	          if (named.containsKey$1(t7))
  	            _this.error$2(0, "Duplicate argument.", expression.span);
  	          value = _this.expressionUntilComma$1$singleEquals(t4);
  	          named.$indexSet(0, t7, value);
  	          t8 = expression.span;
  	          namedSpans.$indexSet(0, t7, t8.expand$1(0, value.get$span(value)));
  	          if (rest != null && !emittedRestDeprecation) {
  	            t5.push(new A._Record_3_deprecation_message_span(B.Deprecation_8Zg, string$.Named_, new A.MultiSpan(_this.spanFromPosition$1(t8.get$start(t8).offset), "named argument", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([rest.get$span(rest), "rest argument"], t6, t3), t6, t3))));
  	            emittedRestDeprecation = emittedRestDeprecation0;
  	          }
  	        } else if (t1.scanChar$1(46)) {
  	          t1.expectChar$1(46);
  	          t1.expectChar$1(46);
  	          if (rest != null) {
  	            _this.whitespace$1$consumeNewlines(true);
  	            if (t1.scanChar$1(44))
  	              _this.whitespace$1$consumeNewlines(true);
  	            keywordRest = expression;
  	            break;
  	          }
  	          rest = expression;
  	        } else if (named.__js_helper$_length !== 0)
  	          _this.error$2(0, string$.Positik, expression.get$span(expression));
  	        else {
  	          positional.push(expression);
  	          if (rest != null && !emittedRestDeprecation) {
  	            t5.push(new A._Record_3_deprecation_message_span(B.Deprecation_8Zg, string$.Positir, new A.MultiSpan(expression.get$span(expression), "positional argument", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([rest.get$span(rest), "rest argument"], t6, t3), t6, t3))));
  	            emittedRestDeprecation = emittedRestDeprecation0;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (allowEmptySecondArg && positional.length === 1 && named.__js_helper$_length === 0 && rest == null && t1.peekChar$0() === 41) {
  	          t3 = t1._sourceFile;
  	          t4 = t1._string_scanner$_position;
  	          new A.FileLocation(t3, t4).FileLocation$_$2(t3, t4);
  	          t5 = new A._FileSpan(t3, t4, t4);
  	          t5._FileSpan$3(t3, t4, t4);
  	          result = A.List_List$from([""], false, type$.Object);
  	          result.$flags = 3;
  	          positional.push(new A.StringExpression(new A.Interpolation(result, B.List_null, t5), false));
  	          break;
  	        }
  	      }
  	      t1.expectChar$1(41);
  	      return A.ArgumentList$(positional, named, namedSpans, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), keywordRest, rest);
  	    },
  	    _argumentInvocation$0() {
  	      return this._argumentInvocation$2$allowEmptySecondArg$mixin(false, false);
  	    },
  	    _argumentInvocation$1$allowEmptySecondArg(allowEmptySecondArg) {
  	      return this._argumentInvocation$2$allowEmptySecondArg$mixin(allowEmptySecondArg, false);
  	    },
  	    _argumentInvocation$1$mixin(mixin) {
  	      return this._argumentInvocation$2$allowEmptySecondArg$mixin(false, mixin);
  	    },
  	    _expression$4$bracketList$consumeNewlines$singleEquals$until(bracketList, consumeNewlines, singleEquals, until) {
  	      var t2, beforeBracket, start, wasInExpression, wasInParentheses, resetState, resolveOneOperation, resolveOperations, addSingleExpression, addOperator, resolveSpaceExpressions, t3, t4, _3_0, _1_0, t5, _3_28, _2_0, _3_32, _3_40, commaExpressions, spaceExpressions, singleExpression, _this = this,
  	        _s20_ = "Expected expression.",
  	        _box_0 = {},
  	        t1 = until != null;
  	      if (t1 && until.call$0())
  	        _this.scanner.error$1(0, _s20_);
  	      if (bracketList) {
  	        t2 = _this.scanner;
  	        beforeBracket = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	        t2.expectChar$1(91);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t2.scanChar$1(93)) {
  	          t1 = A._setArrayType([], type$.JSArray_Expression);
  	          t2 = _this.spanFrom$1(beforeBracket);
  	          return new A.ListExpression(A.List_List$unmodifiable(t1, type$.Expression), B.ListSeparator_undecided_null_3_undecided, true, t2);
  	        }
  	      } else
  	        beforeBracket = null;
  	      t2 = _this.scanner;
  	      start = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      wasInExpression = _this._inExpression;
  	      wasInParentheses = _this._inParentheses;
  	      _this._inExpression = true;
  	      _box_0.operands_ = _box_0.operators_ = _box_0.spaceExpressions_ = _box_0.commaExpressions_ = null;
  	      _box_0.allowSlash = true;
  	      _box_0.singleExpression_ = _this._singleExpression$0();
  	      resetState = new A.StylesheetParser__expression_resetState(_box_0, _this, start);
  	      resolveOneOperation = new A.StylesheetParser__expression_resolveOneOperation(_box_0, _this);
  	      resolveOperations = new A.StylesheetParser__expression_resolveOperations(_box_0, resolveOneOperation);
  	      addSingleExpression = new A.StylesheetParser__expression_addSingleExpression(_box_0, _this, resetState, resolveOperations);
  	      addOperator = new A.StylesheetParser__expression_addOperator(_box_0, _this, resolveOneOperation, addSingleExpression);
  	      resolveSpaceExpressions = new A.StylesheetParser__expression_resolveSpaceExpressions(_box_0, _this, resolveOperations);
  	      for (t3 = !consumeNewlines, t4 = type$.JSArray_Expression;;) {
  	        _this.whitespace$1$consumeNewlines(!t3 || bracketList);
  	        if (t1 && until.call$0())
  	          break;
  	        _3_0 = t2.peekChar$0();
  	        if (_3_0 == null)
  	          break;
  	        if (40 === _3_0) {
  	          addSingleExpression.call$1(_this.parentheses$0());
  	          continue;
  	        }
  	        if (91 === _3_0) {
  	          addSingleExpression.call$1(_this._expression$1$bracketList(true));
  	          continue;
  	        }
  	        if (36 === _3_0) {
  	          addSingleExpression.call$1(_this._variable$0());
  	          continue;
  	        }
  	        if (38 === _3_0) {
  	          addSingleExpression.call$1(_this._selector$0());
  	          continue;
  	        }
  	        if (39 === _3_0 || 34 === _3_0) {
  	          addSingleExpression.call$1(_this.interpolatedString$0());
  	          continue;
  	        }
  	        if (35 === _3_0) {
  	          addSingleExpression.call$1(_this._hashExpression$0());
  	          continue;
  	        }
  	        if (61 === _3_0) {
  	          t2.readChar$0();
  	          if (singleEquals && t2.peekChar$0() !== 61)
  	            addOperator.call$1(B.BinaryOperator_g6F);
  	          else {
  	            t2.expectChar$1(61);
  	            addOperator.call$1(B.BinaryOperator_K7S);
  	          }
  	          continue;
  	        }
  	        if (33 === _3_0) {
  	          $label0$1: {
  	            _1_0 = t2.peekChar$1(1);
  	            if (61 === _1_0) {
  	              t2.readChar$0();
  	              t2.readChar$0();
  	              addOperator.call$1(B.BinaryOperator_Fv2);
  	              break $label0$1;
  	            }
  	            t5 = true;
  	            if (_1_0 != null)
  	              if (105 !== _1_0)
  	                if (73 !== _1_0)
  	                  t5 = _1_0 === 32 || _1_0 === 9 || _1_0 === 10 || _1_0 === 13 || _1_0 === 12;
  	            if (t5) {
  	              addSingleExpression.call$1(_this._importantExpression$0());
  	              break $label0$1;
  	            }
  	            break;
  	          }
  	          continue;
  	        }
  	        if (60 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(t2.scanChar$1(61) ? B.BinaryOperator_f2c : B.BinaryOperator_CG2);
  	          continue;
  	        }
  	        if (62 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(t2.scanChar$1(61) ? B.BinaryOperator_YGt : B.BinaryOperator_Tic);
  	          continue;
  	        }
  	        if (42 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_wkM);
  	          continue;
  	        }
  	        _3_28 = 43 === _3_0;
  	        if (_3_28 && _box_0.singleExpression_ == null) {
  	          addSingleExpression.call$1(_this._unaryOperation$0());
  	          continue;
  	        }
  	        if (_3_28) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_jCK);
  	          continue;
  	        }
  	        if (45 === _3_0) {
  	          _2_0 = t2.peekChar$1(1);
  	          if (A._isInt(_2_0) && _2_0 >= 48 && _2_0 <= 57 || 46 === _2_0)
  	            if (_box_0.singleExpression_ != null) {
  	              t5 = t2.peekChar$1(-1);
  	              t5 = t5 === 32 || t5 === 9 || t5 === 10 || t5 === 13 || t5 === 12;
  	            } else
  	              t5 = true;
  	          else
  	            t5 = false;
  	          if (t5)
  	            addSingleExpression.call$1(_this._number$0());
  	          else if (_this._lookingAtInterpolatedIdentifier$0())
  	            addSingleExpression.call$1(_this.identifierLike$0());
  	          else if (_box_0.singleExpression_ == null)
  	            addSingleExpression.call$1(_this._unaryOperation$0());
  	          else {
  	            t2.readChar$0();
  	            addOperator.call$1(B.BinaryOperator_tDf);
  	          }
  	          continue;
  	        }
  	        _3_32 = 47 === _3_0;
  	        if (_3_32 && _box_0.singleExpression_ == null) {
  	          addSingleExpression.call$1(_this._unaryOperation$0());
  	          continue;
  	        }
  	        if (_3_32) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_ehp);
  	          continue;
  	        }
  	        if (37 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_bgA);
  	          continue;
  	        }
  	        if (_3_0 >= 48 && _3_0 <= 57) {
  	          addSingleExpression.call$1(_this._number$0());
  	          continue;
  	        }
  	        _3_40 = 46 === _3_0;
  	        if (_3_40 && t2.peekChar$1(1) === 46)
  	          break;
  	        if (_3_40) {
  	          addSingleExpression.call$1(_this._number$0());
  	          continue;
  	        }
  	        if (97 === _3_0 && !_this.get$plainCss() && _this.scanIdentifier$1("and")) {
  	          addOperator.call$1(B.BinaryOperator_5vK);
  	          continue;
  	        }
  	        if (111 === _3_0 && !_this.get$plainCss() && _this.scanIdentifier$1("or")) {
  	          addOperator.call$1(B.BinaryOperator_OOf);
  	          continue;
  	        }
  	        if ((117 === _3_0 || 85 === _3_0) && t2.peekChar$1(1) === 43) {
  	          addSingleExpression.call$1(_this._unicodeRange$0());
  	          continue;
  	        }
  	        if (!(_3_0 >= 97 && _3_0 <= 122))
  	          t5 = _3_0 >= 65 && _3_0 <= 90 || 95 === _3_0 || 92 === _3_0 || _3_0 >= 128;
  	        else
  	          t5 = true;
  	        if (t5) {
  	          addSingleExpression.call$1(_this.identifierLike$0());
  	          continue;
  	        }
  	        if (44 === _3_0) {
  	          if (_this._inParentheses) {
  	            _this._inParentheses = false;
  	            if (_box_0.allowSlash) {
  	              resetState.call$0();
  	              continue;
  	            }
  	          }
  	          commaExpressions = _box_0.commaExpressions_;
  	          if (commaExpressions == null)
  	            commaExpressions = _box_0.commaExpressions_ = A._setArrayType([], t4);
  	          if (_box_0.singleExpression_ == null)
  	            t2.error$1(0, _s20_);
  	          resolveSpaceExpressions.call$0();
  	          t5 = _box_0.singleExpression_;
  	          t5.toString;
  	          commaExpressions.push(t5);
  	          t2.readChar$0();
  	          _box_0.allowSlash = true;
  	          _box_0.singleExpression_ = null;
  	          continue;
  	        }
  	        break;
  	      }
  	      if (bracketList)
  	        t2.expectChar$1(93);
  	      commaExpressions = _box_0.commaExpressions_;
  	      spaceExpressions = _box_0.spaceExpressions_;
  	      if (commaExpressions != null) {
  	        resolveSpaceExpressions.call$0();
  	        _this._inParentheses = wasInParentheses;
  	        singleExpression = _box_0.singleExpression_;
  	        if (singleExpression != null)
  	          commaExpressions.push(singleExpression);
  	        _this._inExpression = wasInExpression;
  	        t1 = _this.spanFrom$1(beforeBracket == null ? start : beforeBracket);
  	        return new A.ListExpression(A.List_List$unmodifiable(commaExpressions, type$.Expression), B.ListSeparator_z0K, bracketList, t1);
  	      } else if (bracketList && spaceExpressions != null) {
  	        resolveOperations.call$0();
  	        _this._inExpression = wasInExpression;
  	        t1 = _box_0.singleExpression_;
  	        t1.toString;
  	        spaceExpressions.push(t1);
  	        beforeBracket.toString;
  	        t1 = _this.spanFrom$1(beforeBracket);
  	        return new A.ListExpression(A.List_List$unmodifiable(spaceExpressions, type$.Expression), B.ListSeparator_SrV, true, t1);
  	      } else {
  	        resolveSpaceExpressions.call$0();
  	        if (bracketList) {
  	          t1 = _box_0.singleExpression_;
  	          t1.toString;
  	          t4 = A._setArrayType([t1], t4);
  	          beforeBracket.toString;
  	          t1 = _this.spanFrom$1(beforeBracket);
  	          _box_0.singleExpression_ = new A.ListExpression(A.List_List$unmodifiable(t4, type$.Expression), B.ListSeparator_undecided_null_3_undecided, true, t1);
  	        }
  	        _this._inExpression = wasInExpression;
  	        t1 = _box_0.singleExpression_;
  	        t1.toString;
  	        return t1;
  	      }
  	    },
  	    _expression$0() {
  	      return this._expression$4$bracketList$consumeNewlines$singleEquals$until(false, false, false, null);
  	    },
  	    _expression$1$consumeNewlines(consumeNewlines) {
  	      return this._expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, false, null);
  	    },
  	    _expression$3$consumeNewlines$singleEquals$until(consumeNewlines, singleEquals, until) {
  	      return this._expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, singleEquals, until);
  	    },
  	    _expression$1$bracketList(bracketList) {
  	      return this._expression$4$bracketList$consumeNewlines$singleEquals$until(bracketList, false, false, null);
  	    },
  	    _expression$2$consumeNewlines$until(consumeNewlines, until) {
  	      return this._expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, false, until);
  	    },
  	    expressionUntilComma$1$singleEquals(singleEquals) {
  	      return this._expression$3$consumeNewlines$singleEquals$until(true, singleEquals, new A.StylesheetParser_expressionUntilComma_closure(this));
  	    },
  	    expressionUntilComma$0() {
  	      return this.expressionUntilComma$1$singleEquals(false);
  	    },
  	    _isSlashOperand$1(expression) {
  	      var t1 = true;
  	      if (!(expression instanceof A.NumberExpression))
  	        if (!(expression instanceof A.FunctionExpression))
  	          t1 = expression instanceof A.BinaryOperationExpression && expression.allowsSlash;
  	      return t1;
  	    },
  	    _singleExpression$0() {
  	      var next, t2, _this = this,
  	        _s20_ = "Expected expression.",
  	        t1 = _this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (_0_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (40 === _0_0) {
  	          t1 = _this.parentheses$0();
  	          break $label0$0;
  	        }
  	        if (47 === _0_0) {
  	          t1 = _this._unaryOperation$0();
  	          break $label0$0;
  	        }
  	        if (46 === _0_0) {
  	          t1 = _this._number$0();
  	          break $label0$0;
  	        }
  	        if (91 === _0_0) {
  	          t1 = _this._expression$1$bracketList(true);
  	          break $label0$0;
  	        }
  	        if (36 === _0_0) {
  	          t1 = _this._variable$0();
  	          break $label0$0;
  	        }
  	        if (38 === _0_0) {
  	          t1 = _this._selector$0();
  	          break $label0$0;
  	        }
  	        if (39 === _0_0 || 34 === _0_0) {
  	          t1 = _this.interpolatedString$0();
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = _this._hashExpression$0();
  	          break $label0$0;
  	        }
  	        if (43 === _0_0) {
  	          next = t1.peekChar$1(1);
  	          t1 = next != null && next >= 48 && next <= 57 || next === 46 ? _this._number$0() : _this._unaryOperation$0();
  	          break $label0$0;
  	        }
  	        if (45 === _0_0) {
  	          t1 = _this._minusExpression$0();
  	          break $label0$0;
  	        }
  	        if (33 === _0_0) {
  	          t1 = _this._importantExpression$0();
  	          break $label0$0;
  	        }
  	        if (37 === _0_0) {
  	          t2 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          t2 = new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable(["%"], type$.Object), B.List_null, t2), false);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if ((117 === _0_0 || 85 === _0_0) && t1.peekChar$1(1) === 43) {
  	          t1 = _this._unicodeRange$0();
  	          break $label0$0;
  	        }
  	        if (_0_0 >= 48 && _0_0 <= 57) {
  	          t1 = _this._number$0();
  	          break $label0$0;
  	        }
  	        if (!(_0_0 >= 97 && _0_0 <= 122))
  	          t2 = _0_0 >= 65 && _0_0 <= 90 || 95 === _0_0 || 92 === _0_0 || _0_0 >= 128;
  	        else
  	          t2 = true;
  	        if (t2) {
  	          t1 = _this.identifierLike$0();
  	          break $label0$0;
  	        }
  	        t1 = t1.error$1(0, _s20_);
  	      }
  	      return t1;
  	    },
  	    parentheses$0() {
  	      var start, inside, first, expressions, list, t1, t2, _this = this,
  	        wasInParentheses = _this._inParentheses;
  	      _this._inParentheses = true;
  	      try {
  	        t1 = _this.scanner;
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        inside = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        if (!_this._lookingAtExpression$0()) {
  	          t1.expectChar$1(41);
  	          t1 = A._setArrayType([], type$.JSArray_Expression);
  	          t2 = _this.spanFrom$1(start);
  	          t1 = A.List_List$unmodifiable(t1, type$.Expression);
  	          return new A.ListExpression(t1, B.ListSeparator_undecided_null_3_undecided, false, t2);
  	        }
  	        first = _this.expressionUntilComma$0();
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t1 = _this._stylesheet$_map$2(first, start);
  	          return t1;
  	        }
  	        if (!t1.scanChar$1(44)) {
  	          t1.expectChar$1(41);
  	          t1 = _this.spanFrom$1(start);
  	          return new A.ParenthesizedExpression(first, t1);
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        expressions = A._setArrayType([first], type$.JSArray_Expression);
  	        for (;;) {
  	          if (!_this._lookingAtExpression$0())
  	            break;
  	          J.add$1$ax(expressions, _this.expressionUntilComma$0());
  	          if (!t1.scanChar$1(44))
  	            break;
  	          _this.whitespace$1$consumeNewlines(true);
  	        }
  	        t2 = _this.spanFrom$1(inside);
  	        list = new A.ListExpression(A.List_List$unmodifiable(expressions, type$.Expression), B.ListSeparator_z0K, false, t2);
  	        t1.expectChar$1(41);
  	        t1 = _this.spanFrom$1(start);
  	        return new A.ParenthesizedExpression(list, t1);
  	      } finally {
  	        _this._inParentheses = wasInParentheses;
  	      }
  	    },
  	    _stylesheet$_map$2(first, start) {
  	      var t1, key, _this = this,
  	        pairs = A._setArrayType([new A._Record_2(first, _this.expressionUntilComma$0())], type$.JSArray_Record_2_Expression_and_Expression);
  	      for (t1 = _this.scanner; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this._lookingAtExpression$0())
  	          break;
  	        key = _this.expressionUntilComma$0();
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        pairs.push(new A._Record_2(key, _this.expressionUntilComma$0()));
  	      }
  	      t1.expectChar$1(41);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.MapExpression(A.List_List$unmodifiable(pairs, type$.Record_2_Expression_and_Expression), t1);
  	    },
  	    _hashExpression$0() {
  	      var start, t2, identifier, buffer, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$1(1) === 123)
  	        return _this.identifierLike$0();
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(35);
  	      t2 = t1.peekChar$0();
  	      if (t2 == null)
  	        t2 = null;
  	      else
  	        t2 = t2 >= 48 && t2 <= 57;
  	      if (t2 === true)
  	        return new A.ColorExpression(_this._hexColorContents$1(start), _this.spanFrom$1(start));
  	      t2 = t1._string_scanner$_position;
  	      identifier = _this.interpolatedIdentifier$0();
  	      if (_this._isHexColor$1(identifier)) {
  	        t1.set$state(new A._SpanScannerState(t1, t2));
  	        return new A.ColorExpression(_this._hexColorContents$1(start), _this.spanFrom$1(start));
  	      }
  	      t1 = new A.StringBuffer("");
  	      buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t2 = A.Primitives_stringFromCharCode(35);
  	      t1._contents += t2;
  	      buffer.addInterpolation$1(identifier);
  	      return new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	    },
  	    _hexColorContents$1(start) {
  	      var red, green, blue, alpha, digit4, t2, t3, t4, _this = this,
  	        digit1 = _this._hexDigit$0(),
  	        digit2 = _this._hexDigit$0(),
  	        digit3 = _this._hexDigit$0(),
  	        t1 = _this.scanner,
  	        $self = t1.peekChar$0();
  	      if (!($self != null && A.CharacterExtension_get_isHex($self))) {
  	        red = (digit1 << 4 >>> 0) + digit1;
  	        green = (digit2 << 4 >>> 0) + digit2;
  	        blue = (digit3 << 4 >>> 0) + digit3;
  	        alpha = null;
  	      } else {
  	        digit4 = _this._hexDigit$0();
  	        $self = t1.peekChar$0();
  	        t2 = $self != null && A.CharacterExtension_get_isHex($self);
  	        t3 = digit1 << 4 >>> 0;
  	        t4 = digit3 << 4 >>> 0;
  	        if (!t2) {
  	          red = t3 + digit1;
  	          green = (digit2 << 4 >>> 0) + digit2;
  	          blue = t4 + digit3;
  	          alpha = ((digit4 << 4 >>> 0) + digit4) / 255;
  	        } else {
  	          red = t3 + digit2;
  	          green = t4 + digit4;
  	          blue = (_this._hexDigit$0() << 4 >>> 0) + _this._hexDigit$0();
  	          $self = t1.peekChar$0();
  	          alpha = $self != null && A.CharacterExtension_get_isHex($self) ? ((_this._hexDigit$0() << 4 >>> 0) + _this._hexDigit$0()) / 255 : null;
  	        }
  	      }
  	      t1 = alpha == null;
  	      t2 = t1 ? 1 : alpha;
  	      return A.SassColor_SassColor$rgbInternal(red, green, blue, t2, t1 ? new A.SpanColorFormat(_this.spanFrom$1(start)) : null);
  	    },
  	    _isHexColor$1(interpolation) {
  	      var _0_2, t1,
  	        plain = interpolation.get$asPlain();
  	      if (typeof plain == "string") {
  	        _0_2 = plain.length;
  	        t1 = true;
  	        if (3 !== _0_2)
  	          if (4 !== _0_2)
  	            if (6 !== _0_2)
  	              t1 = 8 === _0_2;
  	      } else
  	        t1 = false;
  	      if (t1) {
  	        t1 = new A.CodeUnits(plain);
  	        return t1.every$1(t1, new A.StylesheetParser__isHexColor_closure());
  	      } else
  	        return false;
  	    },
  	    _hexDigit$0() {
  	      var t1 = this.scanner,
  	        t2 = t1.peekChar$0();
  	      t2 = t2 == null ? null : A.CharacterExtension_get_isHex(t2);
  	      return t2 === true ? A.asHex(t1.readChar$0()) : t1.error$1(0, "Expected hex digit.");
  	    },
  	    _minusExpression$0() {
  	      var _this = this,
  	        _0_0 = _this.scanner.peekChar$1(1);
  	      if (A._isInt(_0_0) && _0_0 >= 48 && _0_0 <= 57 || 46 === _0_0)
  	        return _this._number$0();
  	      if (_this._lookingAtInterpolatedIdentifier$0())
  	        return _this.identifierLike$0();
  	      return _this._unaryOperation$0();
  	    },
  	    _importantExpression$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.readChar$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("important");
  	      t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      return new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable(["!important"], type$.Object), B.List_null, t2), false);
  	    },
  	    _unaryOperation$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        operator = _this._unaryOperatorFor$1(t1.readChar$0());
  	      if (operator == null)
  	        t1.error$2$position(0, "Expected unary operator.", t1._string_scanner$_position - 1);
  	      else if (_this.get$plainCss() && operator !== B.UnaryOperator_Y93)
  	        t1.error$3$length$position(0, "Operators aren't allowed in plain CSS.", 1, t1._string_scanner$_position - 1);
  	      _this.whitespace$1$consumeNewlines(true);
  	      return new A.UnaryOperationExpression(operator, _this._singleExpression$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _unaryOperatorFor$1(character) {
  	      var t1;
  	      $label0$0: {
  	        if (43 === character) {
  	          t1 = B.UnaryOperator_n2K;
  	          break $label0$0;
  	        }
  	        if (45 === character) {
  	          t1 = B.UnaryOperator_hCO;
  	          break $label0$0;
  	        }
  	        if (47 === character) {
  	          t1 = B.UnaryOperator_Y93;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _number$0() {
  	      var number, unit, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        first = t1.peekChar$0(),
  	        t3 = first !== 43;
  	      if (!t3 || first === 45)
  	        t1.readChar$0();
  	      if (t1.peekChar$0() !== 46)
  	        _this._consumeNaturalNumber$0();
  	      _this._tryDecimal$1$allowTrailingDot(t1._string_scanner$_position !== t2 && t3 && first !== 45);
  	      _this._tryExponent$0();
  	      number = A.double_parse(t1.substring$1(0, t2));
  	      if (t1.scanChar$1(37))
  	        unit = "%";
  	      else {
  	        if (_this.lookingAtIdentifier$0())
  	          t3 = t1.peekChar$0() !== 45 || t1.peekChar$1(1) !== 45;
  	        else
  	          t3 = false;
  	        unit = t3 ? _this.identifier$1$unit(true) : null;
  	      }
  	      return new A.NumberExpression(number, unit, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _consumeNaturalNumber$0() {
  	      var $self,
  	        t1 = this.scanner,
  	        t2 = t1.readChar$0();
  	      if (!(t2 >= 48 && t2 <= 57))
  	        t1.error$2$position(0, "Expected digit.", t1._string_scanner$_position - 1);
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _tryDecimal$1$allowTrailingDot(allowTrailingDot) {
  	      var $self,
  	        t1 = this.scanner;
  	      if (t1.peekChar$0() !== 46)
  	        return;
  	      $self = t1.peekChar$1(1);
  	      if (!($self != null && $self >= 48 && $self <= 57)) {
  	        if (allowTrailingDot)
  	          return;
  	        t1.error$2$position(0, "Expected digit.", t1._string_scanner$_position + 1);
  	      }
  	      t1.readChar$0();
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _tryExponent$0() {
  	      var next, $self,
  	        t1 = this.scanner,
  	        first = t1.peekChar$0();
  	      if (first !== 101 && first !== 69)
  	        return;
  	      next = t1.peekChar$1(1);
  	      if (!(next != null && next >= 48 && next <= 57) && next !== 45 && next !== 43)
  	        return;
  	      t1.readChar$0();
  	      if (43 === next || 45 === next)
  	        t1.readChar$0();
  	      $self = t1.peekChar$0();
  	      if (!($self != null && $self >= 48 && $self <= 57))
  	        t1.error$1(0, "Expected digit.");
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _unicodeRange$0() {
  	      var firstRangeLength, hasQuestionMark, t3, secondRangeLength, _this = this,
  	        _s26_ = "Expected at most 6 digits.",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        start = new A._SpanScannerState(t1, t2);
  	      _this.expectIdentChar$1(117);
  	      t1.expectChar$1(43);
  	      for (firstRangeLength = 0; _this.scanCharIf$1(new A.StylesheetParser__unicodeRange_closure());)
  	        ++firstRangeLength;
  	      for (hasQuestionMark = false; t1.scanChar$1(63); hasQuestionMark = true)
  	        ++firstRangeLength;
  	      if (firstRangeLength === 0)
  	        t1.error$1(0, 'Expected hex digit or "?".');
  	      else if (firstRangeLength > 6)
  	        _this.error$2(0, _s26_, _this.spanFrom$1(start));
  	      else if (hasQuestionMark) {
  	        t1 = t1.substring$1(0, t2);
  	        t2 = _this.spanFrom$1(start);
  	        return new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable([t1], type$.Object), B.List_null, t2), false);
  	      }
  	      if (t1.scanChar$1(45)) {
  	        t3 = t1._string_scanner$_position;
  	        for (secondRangeLength = 0; _this.scanCharIf$1(new A.StylesheetParser__unicodeRange_closure0());)
  	          ++secondRangeLength;
  	        if (secondRangeLength === 0)
  	          t1.error$1(0, "Expected hex digit.");
  	        else if (secondRangeLength > 6)
  	          _this.error$2(0, _s26_, _this.spanFrom$1(new A._SpanScannerState(t1, t3)));
  	      }
  	      if (_this._lookingAtInterpolatedIdentifierBody$0())
  	        t1.error$1(0, "Expected end of identifier.");
  	      t1 = t1.substring$1(0, t2);
  	      t2 = _this.spanFrom$1(start);
  	      return new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable([t1], type$.Object), B.List_null, t2), false);
  	    },
  	    _variable$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        $name = _this.variableName$0();
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Sass_v, _this.spanFrom$1(start));
  	      return new A.VariableExpression(null, $name, _this.spanFrom$1(start));
  	    },
  	    _selector$0() {
  	      var t1, start, _this = this;
  	      if (_this.get$plainCss())
  	        _this.scanner.error$2$length(0, string$.The_pa, 1);
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(38);
  	      if (t1.scanChar$1(38)) {
  	        _this.warnings.push(new A._Record_3_deprecation_message_span(null, string$.In_Sas, _this.spanFrom$1(start)));
  	        t1.set$position(t1._string_scanner$_position - 1);
  	      }
  	      return new A.SelectorExpression(_this.spanFrom$1(start));
  	    },
  	    interpolatedString$0() {
  	      var t3, t4, t5, buffer, _1_0, second, t6, _0_0,
  	        t1 = this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t2);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 === quote) {
  	          t1.readChar$0();
  	          break;
  	        }
  	        if (_1_0 == null || _1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	          t1.error$1(0, "Expected " + A.Primitives_stringFromCharCode(quote) + ".");
  	        if (92 === _1_0) {
  	          second = t1.peekChar$1(1);
  	          if (second === 10 || second === 13 || second === 12) {
  	            t1.readChar$0();
  	            t1.readChar$0();
  	            if (second === 13)
  	              t1.scanChar$1(10);
  	          } else {
  	            t6 = A.Primitives_stringFromCharCode(A.consumeEscapedCharacter(t1));
  	            t3._contents += t6;
  	          }
  	          continue;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = this.singleInterpolation$0();
  	          buffer._flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t3._contents += t6;
  	      }
  	      return new A.StringExpression(buffer.interpolation$1(this.spanFrom$1(new A._SpanScannerState(t1, t2))), true);
  	    },
  	    interpolatedStringToken$0() {
  	      var t3, t4, t5, buffer, t6, _1_0, second, t7, start, end, _0_0, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t2);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      t6 = A.Primitives_stringFromCharCode(quote);
  	      t3._contents += t6;
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 === quote) {
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t4;
  	          break;
  	        }
  	        if (_1_0 == null || _1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	          t1.error$1(0, "Expected " + t6 + ".");
  	        if (92 === _1_0) {
  	          second = t1.peekChar$1(1);
  	          if (second === 10 || second === 13 || second === 12) {
  	            t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t7;
  	            t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t7;
  	            if (second === 13)
  	              if (t1.scanChar$1(10)) {
  	                t7 = A.Primitives_stringFromCharCode(10);
  	                t3._contents += t7;
  	              }
  	          } else {
  	            start = t1._string_scanner$_position;
  	            new A.StylesheetParser_interpolatedStringToken_closure(_this).call$0();
  	            end = t1._string_scanner$_position;
  	            t3._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          }
  	          continue;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t3._contents += t7;
  	      }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    identifierLike$0() {
  	      var beforeParen, invocation, expression, t1, _0_0, suggestion, _1_0, t4, _2_0, _3_0, _3_2, _3_4, _this = this,
  	        t2 = _this.scanner,
  	        start = new A._SpanScannerState(t2, t2._string_scanner$_position),
  	        identifier = _this.interpolatedIdentifier$0(),
  	        plain = identifier.get$asPlain(),
  	        lower = A._Cell$(),
  	        t3 = plain != null;
  	      if (t3) {
  	        if (plain === "if" && t2.peekChar$0() === 40) {
  	          beforeParen = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	          try {
  	            invocation = _this._argumentInvocation$0();
  	            expression = new A.LegacyIfExpression(invocation, identifier.span.expand$1(0, invocation.span));
  	            t1 = null;
  	            _0_0 = expression.get$modernSuggestion();
  	            $label0$0: {
  	              suggestion = null;
  	              if (_0_0 != null) {
  	                suggestion = _0_0;
  	                t1 = "Suggestion: " + A.S(suggestion) + "\n\n";
  	                break $label0$0;
  	              }
  	              t1 = "";
  	              break $label0$0;
  	            }
  	            _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_qPD, B.JSString_methods.$add(string$.The_Sa, t1) + string$.More_i, expression.span));
  	            return expression;
  	          } catch (exception) {
  	            if (type$.FormatException._is(A.unwrapException(exception))) {
  	              t2.set$state(beforeParen);
  	              return _this.ifExpression$1(start);
  	            } else
  	              throw exception;
  	          }
  	        } else if (plain.toLowerCase() === "if" && t2.peekChar$0() === 40)
  	          return _this.ifExpression$1(start);
  	        else if (plain === "not") {
  	          _this.whitespace$1$consumeNewlines(true);
  	          expression = _this._singleExpression$0();
  	          return new A.UnaryOperationExpression(B.UnaryOperator_not_not_3_not, expression, identifier.span.expand$1(0, expression.get$span(expression)));
  	        }
  	        lower.__late_helper$_value = plain.toLowerCase();
  	        if (t2.peekChar$0() !== 40) {
  	          switch (plain) {
  	            case "false":
  	              return new A.BooleanExpression(false, identifier.span);
  	            case "null":
  	              return new A.NullExpression(identifier.span);
  	            case "true":
  	              return new A.BooleanExpression(true, identifier.span);
  	          }
  	          _1_0 = $.$get$colorsByName().$index(0, lower._readLocal$0());
  	          if (_1_0 != null) {
  	            t1 = B.JSNumber_methods.round$0(_1_0._legacyChannel$2(B.RgbColorSpace_i0P, "red"));
  	            t2 = B.JSNumber_methods.round$0(_1_0._legacyChannel$2(B.RgbColorSpace_i0P, "green"));
  	            t3 = B.JSNumber_methods.round$0(_1_0._legacyChannel$2(B.RgbColorSpace_i0P, "blue"));
  	            t4 = _1_0.alphaOrNull;
  	            if (t4 == null)
  	              t4 = 0;
  	            return new A.ColorExpression(A.SassColor_SassColor$rgbInternal(t1, t2, t3, t4, new A.SpanColorFormat(identifier.span)), identifier.span);
  	          }
  	        }
  	        _2_0 = _this.trySpecialFunction$2(lower._readLocal$0(), start);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      _3_0 = t2.peekChar$0();
  	      _3_2 = 46 === _3_0;
  	      if (_3_2 && t2.peekChar$1(1) === 46)
  	        return new A.StringExpression(identifier, false);
  	      if (_3_2) {
  	        t2.readChar$0();
  	        if (t3)
  	          return _this.namespacedExpression$2(plain, start);
  	        _this.error$2(0, string$.Interpn, identifier.span);
  	      }
  	      _3_4 = 40 === _3_0;
  	      if (_3_4 && t3) {
  	        t1 = _this._argumentInvocation$1$allowEmptySecondArg(J.$eq$(lower._readLocal$0(), "var"));
  	        t2 = _this.spanFrom$1(start);
  	        return new A.FunctionExpression(null, A.stringReplaceAllUnchecked(plain, "_", "-"), plain, t1, t2);
  	      }
  	      if (_3_4)
  	        return new A.InterpolatedFunctionExpression(identifier, _this._argumentInvocation$0(), _this.spanFrom$1(start));
  	      return new A.StringExpression(identifier, false);
  	    },
  	    ifExpression$1(start) {
  	      var branches, condition, t2, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      branches = A._setArrayType([], type$.JSArray_Record_2_nullable_IfConditionExpression_and_Expression);
  	      while (t1.peekChar$0() !== 41) {
  	        condition = _this.scanIdentifier$1("else") ? null : _this._ifConditionExpression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        branches.push(new A._Record_2(condition, _this._expression$1$consumeNewlines(true)));
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!t1.scanChar$1(59))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1.expectChar$1(41);
  	      t1 = t1.spanFrom$1(start);
  	      t2 = A.List_List$unmodifiable(branches, type$.Record_2_nullable_IfConditionExpression_and_Expression);
  	      if (t2.length === 0)
  	        A.throwExpression(A.ArgumentError$value(t2, "branches", "may not be empty"));
  	      return new A.IfExpression(t2, t1);
  	    },
  	    _ifConditionExpression$0() {
  	      var groups, op, _0_0, single, result, _2_0, _this = this,
  	        _s44_ = string$.Whitesa,
  	        _s11_ = "expressions",
  	        _s21_ = "must have length >= 2",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      if (_this.scanIdentifier$1("not")) {
  	        if (t1.peekChar$0() === 40)
  	          t1.error$1(0, string$.Whitesn);
  	        _this.whitespace$1$consumeNewlines(true);
  	        return new A.IfConditionNegation(_this._ifGroup$0(), t1.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      }
  	      groups = A._setArrayType([_this._ifGroup$0()], type$.JSArray_IfConditionExpression);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (op = null;;) {
  	        if (op !== B.BooleanOperator_1 && _this.scanIdentifier$1("and")) {
  	          if (t1.peekChar$0() === 40)
  	            t1.error$1(0, _s44_);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_0;
  	          groups.push(_this._ifGroup$0());
  	        } else if (op !== B.BooleanOperator_0 && _this.scanIdentifier$1("or")) {
  	          if (t1.peekChar$0() === 40)
  	            t1.error$1(0, _s44_);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_1;
  	          groups.push(_this._ifGroup$0());
  	        } else {
  	          _0_0 = t1.peekChar$0();
  	          if (_0_0 != null && _0_0 !== 41 && _0_0 !== 58 && B.JSArray_methods.get$last(groups).get$isArbitrarySubstitution()) {
  	            $label0$0: {
  	              if (groups.length === 1) {
  	                single = groups[0];
  	                t1 = single;
  	                break $label0$0;
  	              }
  	              op.toString;
  	              result = A.List_List$from(groups, false, type$.IfConditionExpression);
  	              result.$flags = 3;
  	              t1 = result;
  	              t2 = new A.IfConditionOperation(t1, op);
  	              if (t1.length < 2)
  	                A.throwExpression(A.ArgumentError$value(t1, _s11_, _s21_));
  	              t1 = t2;
  	              break $label0$0;
  	            }
  	            return _this._ifConditionRaw$2(t1, _this._ifGroup$0());
  	          } else {
  	            _2_0 = _this._tryArbitrarySubstitution$0();
  	            if (_2_0 != null) {
  	              $label1$1: {
  	                if (groups.length === 1) {
  	                  single = groups[0];
  	                  t1 = single;
  	                  break $label1$1;
  	                }
  	                op.toString;
  	                result = A.List_List$from(groups, false, type$.IfConditionExpression);
  	                result.$flags = 3;
  	                t1 = result;
  	                t2 = new A.IfConditionOperation(t1, op);
  	                if (t1.length < 2)
  	                  A.throwExpression(A.ArgumentError$value(t1, _s11_, _s21_));
  	                t1 = t2;
  	                break $label1$1;
  	              }
  	              return _this._ifConditionRaw$2(t1, _2_0);
  	            } else
  	              break;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      $label2$3: {
  	        if (groups.length === 1) {
  	          single = groups[0];
  	          t1 = single;
  	          break $label2$3;
  	        }
  	        op.toString;
  	        t1 = A.IfConditionOperation$(groups, op);
  	        break $label2$3;
  	      }
  	      return t1;
  	    },
  	    _ifConditionRaw$2(preceding, next) {
  	      var t1, t2, _0_5, _0_6, t3, last, buffer, op, t4, lastGroup, lastGroup0, _1_0, _2_0, _this = this, _null = null;
  	      $label0$0: {
  	        if (preceding.get$isArbitrarySubstitution()) {
  	          t1 = preceding;
  	          break $label0$0;
  	        }
  	        t1 = _null;
  	        t2 = false;
  	        if (preceding instanceof A.IfConditionOperation) {
  	          _0_5 = preceding.expressions;
  	          _0_6 = _0_5.length;
  	          t3 = _0_6;
  	          if (t3 >= 1) {
  	            last = _0_5[_0_6 - 1];
  	            t1 = last.get$isArbitrarySubstitution();
  	          } else {
  	            last = t1;
  	            t1 = t2;
  	          }
  	        } else {
  	          last = t1;
  	          t1 = t2;
  	        }
  	        if (t1) {
  	          t1 = last;
  	          break $label0$0;
  	        }
  	        t1 = next.get$isArbitrarySubstitution();
  	        if (t1) {
  	          t1 = next;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$("Either " + preceding.toString$0(0) + string$.x20must_e + next.toString$0(0) + " must be one.", _null));
  	      }
  	      t2 = new A.StringBuffer("");
  	      buffer = new A.InterpolationBuffer(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      buffer.addInterpolation$1(preceding.toInterpolation$1(t1));
  	      t3 = A.Primitives_stringFromCharCode(32);
  	      t2._contents += t3;
  	      buffer.addInterpolation$1(next.toInterpolation$1(t1));
  	      op = preceding instanceof A.IfConditionOperation ? preceding.op : _null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t4 = _this.scanner, lastGroup = next;;) {
  	        if (op !== B.BooleanOperator_1 && _this.scanIdentifier$1("and")) {
  	          if (t4.peekChar$0() === 40)
  	            t4.error$1(0, string$.Whitesa);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_0;
  	          lastGroup0 = _this._ifGroup$0();
  	          t2._contents += " and ";
  	          buffer.addInterpolation$1(lastGroup0.toInterpolation$1(t1));
  	        } else if (op !== B.BooleanOperator_0 && _this.scanIdentifier$1("or")) {
  	          if (t4.peekChar$0() === 40)
  	            t4.error$1(0, string$.Whiteso);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_1;
  	          lastGroup = _this._ifGroup$0();
  	          _this.whitespace$1$consumeNewlines(true);
  	          t2._contents += " or ";
  	          buffer.addInterpolation$1(lastGroup.toInterpolation$1(t1));
  	        } else {
  	          _1_0 = t4.peekChar$0();
  	          if (_1_0 != null && _1_0 !== 41 && _1_0 !== 58 && lastGroup.get$isArbitrarySubstitution()) {
  	            lastGroup = _this._ifGroup$0();
  	            t2._contents += t3;
  	            buffer.addInterpolation$1(lastGroup.toInterpolation$1(t1));
  	          } else {
  	            _2_0 = _this._tryArbitrarySubstitution$0();
  	            if (_2_0 != null) {
  	              t2._contents += t3;
  	              buffer.addInterpolation$1(_2_0.toInterpolation$1(t1));
  	            } else
  	              break;
  	            lastGroup = _2_0;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1 = preceding.get$span(preceding);
  	      t4 = A.FileLocation$_(t4._sourceFile, t4._string_scanner$_position);
  	      t2 = t4.offset;
  	      return new A.IfConditionRaw(buffer.interpolation$1(t1.expand$1(0, A._FileSpan$(t4.file, t2, t2))));
  	    },
  	    _ifGroup$0() {
  	      var expression, t2, identifier, _0_1, _0_6, plain, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (40 === t1.peekChar$0()) {
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this._ifConditionExpression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(41);
  	        return new A.IfConditionParenthesized(expression, t1.spanFrom$1(start));
  	      }
  	      t2 = _this.scanIdentifier$2$caseSensitive("sass", true);
  	      if (t2) {
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this._expression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(41);
  	        if (_this.get$plainCss())
  	          _this.error$2(0, string$.sass__, t1.spanFrom$1(start));
  	        else
  	          return new A.IfConditionSass(expression, t1.spanFrom$1(start));
  	      }
  	      identifier = _this.interpolatedIdentifier$0();
  	      _0_1 = identifier.contents;
  	      if (_0_1.length === 1)
  	        t2 = _0_1[0] instanceof A.Expression && t1.peekChar$0() !== 40;
  	      else
  	        t2 = false;
  	      if (t2)
  	        return new A.IfConditionRaw(identifier);
  	      _0_6 = identifier.get$asPlain();
  	      if (_0_6 != null) {
  	        plain = _0_6 == null ? A._asString(_0_6) : _0_6;
  	        t2 = B.Set_6V2Gi.contains$1(0, plain.toLowerCase()) && t1.peekChar$0() === 40;
  	      } else
  	        t2 = false;
  	      if (t2)
  	        t1.error$1(0, 'Whitespace is required between "' + identifier.toString$0(0) + '" and "("');
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      expression = _this._interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1.expectChar$1(41);
  	      return new A.IfConditionFunction(identifier, expression, t1.spanFrom$1(start));
  	    },
  	    _tryArbitrarySubstitution$0() {
  	      var _0_0, span, start, t2, $arguments, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$0() === 35) {
  	        _0_0 = _this.singleInterpolation$0();
  	        span = _0_0._1;
  	        t1 = new A.InterpolationBuffer(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1.add$2(0, _0_0._0, span);
  	        return new A.IfConditionRaw(t1.interpolation$1(span));
  	      }
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      $label0$0: {
  	        t2 = _this.scanIdentifier$1("if");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation(A.List_List$unmodifiable(["if"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = _this.scanIdentifier$1("var");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation(A.List_List$unmodifiable(["var"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = _this.scanIdentifier$1("attr");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation(A.List_List$unmodifiable(["attr"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = t1.matches$1("--");
  	        if (t2) {
  	          t2 = _this.interpolatedIdentifier$0();
  	          break $label0$0;
  	        }
  	        t2 = null;
  	        break $label0$0;
  	      }
  	      if (t2 == null)
  	        return null;
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      $arguments = _this._interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      t1.expectChar$1(41);
  	      return new A.IfConditionFunction(t2, $arguments, t1.spanFrom$1(start));
  	    },
  	    namespacedExpression$2(namespace, start) {
  	      var $name, t1, t2, t3, _this = this;
  	      if (_this.scanner.peekChar$0() === 36) {
  	        $name = _this.variableName$0();
  	        _this._assertPublic$2($name, new A.StylesheetParser_namespacedExpression_closure(_this, start));
  	        return new A.VariableExpression(namespace, $name, _this.spanFrom$1(start));
  	      }
  	      t1 = _this._publicIdentifier$0();
  	      t2 = _this._argumentInvocation$0();
  	      t3 = _this.spanFrom$1(start);
  	      return new A.FunctionExpression(namespace, A.stringReplaceAllUnchecked(t1, "_", "-"), t1, t2, t3);
  	    },
  	    trySpecialFunction$2($name, start) {
  	      var invalidSassScript, nonCssSassScript, argument, t1, buffer, t2, normalized, vendored, _0_2, t3, value, suggestion, next, _this = this;
  	      if ($name === "type" && _this.scanner.scanChar$1(40)) {
  	        t1 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1._contents = $name;
  	        t2 = A.Primitives_stringFromCharCode(40);
  	        t1._contents += t2;
  	      } else {
  	        normalized = A.unvendor($name);
  	        t1 = normalized === $name;
  	        vendored = !t1;
  	        $label0$0: {
  	          _0_2 = "expression" === normalized;
  	          if (_0_2 && vendored && _this.scanner.scanChar$1(40)) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t2;
  	            t2 = _this.scanner;
  	            t3 = t2._string_scanner$_position;
  	            invalidSassScript = false;
  	            nonCssSassScript = false;
  	            try {
  	              argument = _this._expression$0();
  	              nonCssSassScript = !argument.accept$1(new A.IsPlainCssVisitor(true));
  	            } catch (exception) {
  	              if (A.unwrapException(exception) instanceof A.StringScannerException)
  	                invalidSassScript = true;
  	              else
  	                throw exception;
  	            }
  	            t2.set$state(new A._SpanScannerState(t2, t3));
  	            value = _this._interpolatedDeclarationValue$1$allowEmpty(true);
  	            buffer.addInterpolation$1(value);
  	            t2.expectChar$1(41);
  	            t2 = A.Primitives_stringFromCharCode(41);
  	            t1._contents += t2;
  	            if (invalidSassScript || nonCssSassScript) {
  	              suggestion = new A.StringExpression(value, true).asInterpolation$0();
  	              t1 = invalidSassScript ? "be parsed as SassScript. " : "no longer be valid syntax. ";
  	              _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_H4k, "Vendor-prefixed " + normalized + string$.x28__fun + t1 + ("To preserve current behavior:\n\n" + $name + "(#{" + suggestion.toString$0(0) + string$.x7dx29__Mo), _this.spanFrom$1(start)));
  	            }
  	            return new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	          }
  	          t2 = true;
  	          if (!("calc" === normalized && vendored && _this.scanner.scanChar$1(40)))
  	            if (!(_0_2 && t1 && _this.scanner.scanChar$1(40)))
  	              t1 = "element" === normalized && _this.scanner.scanChar$1(40);
  	            else
  	              t1 = t2;
  	          else
  	            t1 = t2;
  	          if (t1) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t2;
  	            break $label0$0;
  	          }
  	          if ("progid" === normalized && _this.scanner.scanChar$1(58)) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(58);
  	            t1._contents += t2;
  	            t2 = _this.scanner;
  	            next = t2.peekChar$0();
  	            for (;;) {
  	              if (next != null) {
  	                if (!(next >= 97 && next <= 122))
  	                  t3 = next >= 65 && next <= 90;
  	                else
  	                  t3 = true;
  	                t3 = t3 || next === 46;
  	              } else
  	                t3 = false;
  	              if (!t3)
  	                break;
  	              t3 = A.Primitives_stringFromCharCode(t2.readChar$0());
  	              t1._contents += t3;
  	              next = t2.peekChar$0();
  	            }
  	            t2.expectChar$1(40);
  	            t3 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t3;
  	            buffer.addInterpolation$1(_this._interpolatedDeclarationValue$1$allowEmpty(true));
  	            t2.expectChar$1(41);
  	            t2 = A.Primitives_stringFromCharCode(41);
  	            t1._contents += t2;
  	            if (vendored)
  	              _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_H4k, string$.Vendorp + new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), true).asInterpolation$0().toString$0(0) + string$.x7dx0a_Mor, _this.spanFrom$1(start)));
  	            return new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	          }
  	          if ("url" === normalized)
  	            return A.NullableExtension_andThen(_this._tryUrlContents$2$vendored(start, vendored), new A.StylesheetParser_trySpecialFunction_closure());
  	          return null;
  	        }
  	      }
  	      buffer.addInterpolation$1(_this._interpolatedDeclarationValue$1$allowEmpty(true));
  	      _this.scanner.expectChar$1(41);
  	      t1 = buffer._interpolation_buffer$_text;
  	      t2 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t2;
  	      return new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	    },
  	    _tryUrlContents$3$name$vendored(start, $name, vendored) {
  	      var invalidSassScript, t3, t4, t5, buffer, t6, _1_0, _1_6, _0_0, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      if (!t1.scanChar$1(40))
  	        return null;
  	      invalidSassScript = false;
  	      if (vendored) {
  	        t3 = t1._string_scanner$_position;
  	        try {
  	          _this._expression$0();
  	        } catch (exception) {
  	          if (A.unwrapException(exception) instanceof A.StringScannerException)
  	            invalidSassScript = true;
  	          else
  	            throw exception;
  	        }
  	        t1.set$state(new A._SpanScannerState(t1, t3));
  	      }
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer(t3, t4, t5);
  	      t3._contents = $name == null ? "url" : $name;
  	      t6 = A.Primitives_stringFromCharCode(40);
  	      t3._contents += t6;
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        if (92 === _1_0) {
  	          t6 = _this.escape$0();
  	          t3._contents += t6;
  	          continue;
  	        }
  	        _1_6 = 35 === _1_0;
  	        if (_1_6 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t6 = true;
  	        if (33 !== _1_0)
  	          if (37 !== _1_0)
  	            if (38 !== _1_0)
  	              if (!_1_6)
  	                t6 = _1_0 >= 42 && _1_0 <= 126 || _1_0 >= 128;
  	        if (t6) {
  	          t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t6;
  	          continue;
  	        }
  	        if (_1_0 === 32 || _1_0 === 9 || _1_0 === 10 || _1_0 === 13 || _1_0 === 12) {
  	          _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	          if (t1.peekChar$0() !== 41)
  	            break;
  	          continue;
  	        }
  	        if (41 === _1_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t2;
  	          if (vendored && invalidSassScript)
  	            _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_H4k, string$.Vendoru + A.S($name) + "(#{" + new A.StringExpression(buffer.interpolation$1(_this.spanFrom$1(start)), true).asInterpolation$0().toString$0(0) + string$.x7dx29__Mo, _this.spanFrom$1(start)));
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        }
  	        break;
  	      }
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      return null;
  	    },
  	    _tryUrlContents$2$vendored(start, vendored) {
  	      return this._tryUrlContents$3$name$vendored(start, null, vendored);
  	    },
  	    _tryUrlContents$2$name(start, $name) {
  	      return this._tryUrlContents$3$name$vendored(start, $name, false);
  	    },
  	    _tryUrlContents$1(start) {
  	      return this._tryUrlContents$3$name$vendored(start, null, false);
  	    },
  	    dynamicUrl$0() {
  	      var _0_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      _this.expectIdentifier$1("url");
  	      _0_0 = _this._tryUrlContents$1(start);
  	      if (_0_0 != null)
  	        return new A.StringExpression(_0_0, false);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.InterpolatedFunctionExpression(new A.Interpolation(A.List_List$unmodifiable(["url"], type$.Object), B.List_null, t1), _this._argumentInvocation$0(), _this.spanFrom$1(start));
  	    },
  	    almostAnyValue$1$omitComments(omitComments) {
  	      var t4, t5, t6, t7, _2_0, t8, _0_0, _0_2, start, end, _0_4, identifier, _1_0, bracket, char, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t4 = t1.string, t5 = t4.length, t6 = !omitComments, t7 = _this.get$loudComment();;)
  	        $label0$0: {
  	          _2_0 = t1.peekChar$0();
  	          if (92 === _2_0) {
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (34 === _2_0 || 39 === _2_0) {
  	            buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	            break $label0$0;
  	          }
  	          if (47 === _2_0) {
  	            $label1$1: {
  	              _0_0 = t1.peekChar$1(1);
  	              _0_2 = 42 === _0_0;
  	              if (_0_2 && t6) {
  	                start = t1._string_scanner$_position;
  	                t7.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t4, start, end);
  	                break $label1$1;
  	              }
  	              if (_0_2) {
  	                _this.loudComment$0();
  	                break $label1$1;
  	              }
  	              _0_4 = 47 === _0_0;
  	              if (_0_4 && t6) {
  	                t8 = _this.get$silentComment();
  	                start = t1._string_scanner$_position;
  	                t8.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t4, start, end);
  	                break $label1$1;
  	              }
  	              if (_0_4) {
  	                _this.silentComment$0();
  	                break $label1$1;
  	              }
  	              t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t8;
  	            }
  	            break $label0$0;
  	          }
  	          if (35 === _2_0 && t1.peekChar$1(1) === 123) {
  	            buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	            break $label0$0;
  	          }
  	          if (13 === _2_0 || 10 === _2_0 || 12 === _2_0) {
  	            if (_this.get$indented() && brackets.length === 0)
  	              break;
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (33 === _2_0 || 59 === _2_0 || 123 === _2_0 || 125 === _2_0)
  	            break;
  	          if (117 === _2_0 || 85 === _2_0) {
  	            t8 = t1._string_scanner$_position;
  	            identifier = _this.identifier$0();
  	            if (identifier !== "url" && identifier !== "url-prefix") {
  	              t3._contents += identifier;
  	              continue;
  	            }
  	            _1_0 = _this._tryUrlContents$2$name(new A._SpanScannerState(t1, t8), identifier);
  	            if (_1_0 != null)
  	              buffer.addInterpolation$1(_1_0);
  	            else {
  	              if ((t8 === 0 ? 1 / t8 < 0 : t8 < 0) || t8 > t5)
  	                A.throwExpression(A.ArgumentError$("Invalid position " + t8, null));
  	              t1._string_scanner$_position = t8;
  	              t1._lastMatch = null;
  	              t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t8;
  	            }
  	            break $label0$0;
  	          }
  	          if (40 === _2_0 || 91 === _2_0) {
  	            bracket = t1.readChar$0();
  	            t8 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t8;
  	            brackets.push(A.opposite(bracket));
  	            break $label0$0;
  	          }
  	          if (41 === _2_0 || 93 === _2_0) {
  	            t8 = _2_0 != null;
  	            char = t8 ? _2_0 : null;
  	          } else {
  	            char = null;
  	            t8 = false;
  	          }
  	          if (t8) {
  	            if (brackets.length === 0)
  	              t1.error$1(0, 'Unexpected "' + A.Primitives_stringFromCharCode(char) + '".');
  	            bracket = brackets.pop();
  	            t1.expectChar$1(bracket);
  	            t8 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (_2_0 == null)
  	            break;
  	          t8 = _this.lookingAtIdentifier$0();
  	          if (t8) {
  	            t8 = _this.identifier$0();
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t8;
  	        }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    almostAnyValue$0() {
  	      return this.almostAnyValue$1$omitComments(false);
  	    },
  	    _interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(allowColon, allowEmpty, allowOpenBrace, allowSemicolon, consumeNewlines, endAfterOf, silentComments) {
  	      var t5, t6, t7, t8, t9, t10, t11, wroteNewline, _2_0, wroteNewline0, t12, _0_0, start, end, _2_12, _2_14_isSet, _2_14, t13, _2_16, _2_18_isSet, _2_20, _2_18, _2_20_isSet, _2_22, bracket, identifier, _1_0, of, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        t4 = A._setArrayType([], type$.JSArray_Object),
  	        buffer = new A.InterpolationBuffer(t3, t4, A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t5 = !consumeNewlines, t6 = !allowOpenBrace, t7 = t1.string, t8 = t7.length, t9 = !allowColon, t10 = !allowSemicolon, t11 = _this.get$loudComment(), wroteNewline = false;;)
  	        $label0$0: {
  	          _2_0 = t1.peekChar$0();
  	          wroteNewline0 = false;
  	          if (92 === _2_0) {
  	            t12 = _this.escape$1$identifierStart(true);
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (34 === _2_0 || 39 === _2_0) {
  	            buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (47 === _2_0) {
  	            $label1$1: {
  	              _0_0 = t1.peekChar$1(1);
  	              if (42 === _0_0) {
  	                start = t1._string_scanner$_position;
  	                t11.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t7, start, end);
  	                break $label1$1;
  	              }
  	              if (47 === _0_0 && silentComments) {
  	                _this.silentComment$0();
  	                break $label1$1;
  	              }
  	              t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t12;
  	            }
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (35 === _2_0 && t1.peekChar$1(1) === 123) {
  	            buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          _2_12 = 32 === _2_0;
  	          _2_14_isSet = !_2_12;
  	          if (_2_14_isSet) {
  	            _2_14 = 9 === _2_0;
  	            t12 = _2_14;
  	          } else {
  	            _2_14 = _null;
  	            t12 = true;
  	          }
  	          t13 = false;
  	          if (t12)
  	            if (!wroteNewline) {
  	              t12 = t1.peekChar$1(1);
  	              t12 = t12 === 32 || t12 === 9 || t12 === 10 || t12 === 13 || t12 === 12;
  	            } else
  	              t12 = t13;
  	          else
  	            t12 = t13;
  	          if (t12) {
  	            t1.readChar$0();
  	            break $label0$0;
  	          }
  	          if (!_2_12)
  	            t12 = _2_14_isSet ? _2_14 : 9 === _2_0;
  	          else
  	            t12 = true;
  	          if (t12) {
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            break $label0$0;
  	          }
  	          _2_16 = 10 === _2_0;
  	          _2_18_isSet = !_2_16;
  	          _2_20 = _null;
  	          t12 = true;
  	          if (_2_18_isSet) {
  	            _2_18 = 13 === _2_0;
  	            _2_20_isSet = !_2_18;
  	            if (_2_20_isSet) {
  	              _2_20 = 12 === _2_0;
  	              t12 = _2_20;
  	            }
  	          } else {
  	            _2_18 = _null;
  	            _2_20_isSet = false;
  	          }
  	          if (t12 && _this.get$indented() && t5 && brackets.length === 0)
  	            break;
  	          t12 = true;
  	          if (!_2_16)
  	            if (!(_2_18_isSet ? _2_18 : 13 === _2_0))
  	              t12 = _2_20_isSet ? _2_20 : 12 === _2_0;
  	          if (t12) {
  	            t12 = t1.peekChar$1(-1);
  	            if (!(t12 === 10 || t12 === 13 || t12 === 12))
  	              t3._contents += "\n";
  	            t1.readChar$0();
  	            wroteNewline = true;
  	            break $label0$0;
  	          }
  	          _2_22 = 123 === _2_0;
  	          if (_2_22 && t6)
  	            break;
  	          if (40 !== _2_0)
  	            t12 = _2_22 || 91 === _2_0;
  	          else
  	            t12 = true;
  	          if (t12) {
  	            bracket = t1.readChar$0();
  	            t12 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t12;
  	            brackets.push(A.opposite(bracket));
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (41 === _2_0 || 125 === _2_0 || 93 === _2_0) {
  	            if (brackets.length === 0)
  	              break;
  	            bracket = brackets.pop();
  	            t1.expectChar$1(bracket);
  	            t12 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (59 === _2_0) {
  	            if (t10 && brackets.length === 0)
  	              break;
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (58 === _2_0) {
  	            if (t9 && brackets.length === 0)
  	              break;
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (117 === _2_0 || 85 === _2_0) {
  	            t12 = t1._string_scanner$_position;
  	            identifier = _this.identifier$0();
  	            if (identifier !== "url" && identifier !== "url-prefix") {
  	              t3._contents += identifier;
  	              wroteNewline = wroteNewline0;
  	              continue;
  	            }
  	            _1_0 = _this._tryUrlContents$2$name(new A._SpanScannerState(t1, t12), identifier);
  	            if (_1_0 != null)
  	              buffer.addInterpolation$1(_1_0);
  	            else {
  	              if ((t12 === 0 ? 1 / t12 < 0 : t12 < 0) || t12 > t8)
  	                A.throwExpression(A.ArgumentError$("Invalid position " + t12, _null));
  	              t1._string_scanner$_position = t12;
  	              t1._lastMatch = null;
  	              t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t12;
  	            }
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (111 === _2_0 || 79 === _2_0) {
  	            if (endAfterOf && brackets.length === 0) {
  	              start = t1._string_scanner$_position;
  	              new A.StylesheetParser__interpolatedDeclarationValue_closure(_this).call$0();
  	              end = t1._string_scanner$_position;
  	              of = B.JSString_methods.substring$2(t7, start, end);
  	              if (of !== "") {
  	                t3._contents += of;
  	                break;
  	              }
  	            }
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (_2_0 == null)
  	            break;
  	          t12 = _this.lookingAtIdentifier$0();
  	          if (t12) {
  	            t12 = _this.identifier$0();
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t12;
  	          wroteNewline = wroteNewline0;
  	        }
  	      if (brackets.length !== 0)
  	        t1.expectChar$1(B.JSArray_methods.get$last(brackets));
  	      if (!allowEmpty && t4.length === 0 && t3._contents.length === 0)
  	        t1.error$1(0, "Expected token.");
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _interpolatedDeclarationValue$1$allowEmpty(allowEmpty) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, true, false, false, false, true);
  	    },
  	    _interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(allowEmpty, allowSemicolon, consumeNewlines) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, true, allowSemicolon, consumeNewlines, false, true);
  	    },
  	    _interpolatedDeclarationValue$4$allowColon$allowEmpty$allowSemicolon$consumeNewlines(allowColon, allowEmpty, allowSemicolon, consumeNewlines) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(allowColon, allowEmpty, true, allowSemicolon, consumeNewlines, false, true);
  	    },
  	    _interpolatedDeclarationValue$0() {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, true, false, false, false, true);
  	    },
  	    _interpolatedDeclarationValue$1$allowOpenBrace(allowOpenBrace) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, allowOpenBrace, false, false, false, true);
  	    },
  	    _interpolatedDeclarationValue$2$allowEmpty$allowOpenBrace(allowEmpty, allowOpenBrace) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, allowOpenBrace, false, false, false, true);
  	    },
  	    _interpolatedDeclarationValue$1$silentComments(silentComments) {
  	      return this._interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, true, false, false, false, silentComments);
  	    },
  	    interpolatedIdentifier$0() {
  	      var t3, _1_0, _0_0, _this = this,
  	        _s20_ = "Expected identifier.",
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        t2 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      if (t1.scanChar$1(45)) {
  	        t3 = A.Primitives_stringFromCharCode(45);
  	        t2._contents += t3;
  	        if (t1.scanChar$1(45)) {
  	          t2._contents += t3;
  	          _this._interpolatedIdentifierBodyHelper$1(buffer);
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        }
  	      }
  	      $label0$0: {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (_1_0 === 95 || A.CharacterExtension_get_isAlphabetic(_1_0) || _1_0 >= 128) {
  	          t1 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2._contents += t1;
  	          break $label0$0;
  	        }
  	        if (92 === _1_0) {
  	          t1 = _this.escape$1$identifierStart(true);
  	          t2._contents += t1;
  	          break $label0$0;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer.add$2(0, _0_0._0, _0_0._1);
  	          break $label0$0;
  	        }
  	        t1.error$1(0, _s20_);
  	      }
  	      _this._interpolatedIdentifierBodyHelper$1(buffer);
  	      return buffer.interpolation$1(_this.spanFrom$1(start));
  	    },
  	    _interpolatedIdentifierBodyHelper$1(buffer) {
  	      var t1, t2, t3, t4, _1_0, t5, _0_0;
  	      for (t1 = buffer._interpolation_buffer$_contents, t2 = buffer._spans, t3 = this.scanner, t4 = buffer._interpolation_buffer$_text;;) {
  	        _1_0 = t3.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        t5 = true;
  	        if (95 !== _1_0)
  	          if (45 !== _1_0) {
  	            if (!(_1_0 >= 97 && _1_0 <= 122))
  	              t5 = _1_0 >= 65 && _1_0 <= 90;
  	            else
  	              t5 = true;
  	            if (!t5)
  	              t5 = _1_0 >= 48 && _1_0 <= 57;
  	            else
  	              t5 = true;
  	            t5 = t5 || _1_0 >= 128;
  	          }
  	        if (t5) {
  	          t5 = A.Primitives_stringFromCharCode(t3.readChar$0());
  	          t4._contents += t5;
  	          continue;
  	        }
  	        if (92 === _1_0) {
  	          t5 = this.escape$0();
  	          t4._contents += t5;
  	          continue;
  	        }
  	        if (35 === _1_0 && t3.peekChar$1(1) === 123) {
  	          _0_0 = this.singleInterpolation$0();
  	          buffer._flushText$0();
  	          t1.push(_0_0._0);
  	          t2.push(_0_0._1);
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    singleInterpolation$0() {
  	      var contents, span, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("#{");
  	      _this.whitespace$1$consumeNewlines(true);
  	      contents = _this._expression$1$consumeNewlines(true);
  	      t1.expectChar$1(125);
  	      span = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Interpp, span);
  	      return new A._Record_2(contents, span);
  	    },
  	    _mediaQueryList$0() {
  	      var t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      for (;;) {
  	        _this.whitespace$1$consumeNewlines(false);
  	        _this._stylesheet$_mediaQuery$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        t4 = A.Primitives_stringFromCharCode(44);
  	        t3._contents += t4;
  	        t4 = A.Primitives_stringFromCharCode(32);
  	        t3._contents += t4;
  	      }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet$_mediaQuery$1(buffer) {
  	      var identifier1, t1, t2, identifier2, _this = this, _s3_ = "and";
  	      if (_this.scanner.peekChar$0() === 40) {
  	        _this._stylesheet$_mediaInParens$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          buffer._interpolation_buffer$_text._contents += " and ";
  	          _this.expectWhitespace$0();
  	          _this._stylesheet$_mediaLogicSequence$2(buffer, _s3_);
  	        } else if (_this.scanIdentifier$1("or")) {
  	          buffer._interpolation_buffer$_text._contents += " or ";
  	          _this.expectWhitespace$0();
  	          _this._stylesheet$_mediaLogicSequence$2(buffer, "or");
  	        }
  	        return;
  	      }
  	      identifier1 = _this.interpolatedIdentifier$0();
  	      if (A.equalsIgnoreCase(identifier1.get$asPlain(), "not")) {
  	        _this.expectWhitespace$0();
  	        if (!_this._lookingAtInterpolatedIdentifier$0()) {
  	          buffer._interpolation_buffer$_text._contents += "not ";
  	          _this._mediaOrInterp$1(buffer);
  	          return;
  	        }
  	      }
  	      _this.whitespace$1$consumeNewlines(false);
  	      buffer.addInterpolation$1(identifier1);
  	      if (!_this._lookingAtInterpolatedIdentifier$0())
  	        return;
  	      t1 = buffer._interpolation_buffer$_text;
  	      t2 = A.Primitives_stringFromCharCode(32);
  	      t1._contents += t2;
  	      identifier2 = _this.interpolatedIdentifier$0();
  	      if (A.equalsIgnoreCase(identifier2.get$asPlain(), _s3_)) {
  	        _this.expectWhitespace$0();
  	        t1._contents += " and ";
  	      } else {
  	        _this.whitespace$1$consumeNewlines(false);
  	        buffer.addInterpolation$1(identifier2);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          _this.expectWhitespace$0();
  	          t1._contents += " and ";
  	        } else
  	          return;
  	      }
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.expectWhitespace$0();
  	        t1._contents += "not ";
  	        _this._mediaOrInterp$1(buffer);
  	        return;
  	      }
  	      _this._stylesheet$_mediaLogicSequence$2(buffer, _s3_);
  	      return;
  	    },
  	    _stylesheet$_mediaLogicSequence$2(buffer, operator) {
  	      var t1, t2, t3, _this = this;
  	      for (t1 = buffer._interpolation_buffer$_text;;) {
  	        _this._mediaOrInterp$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!_this.scanIdentifier$1(operator))
  	          return;
  	        _this.expectWhitespace$1$consumeNewlines(false);
  	        t2 = A.Primitives_stringFromCharCode(32);
  	        t3 = (t1._contents += t2) + operator;
  	        t1._contents = t3;
  	        t1._contents = t3 + t2;
  	      }
  	    },
  	    _mediaOrInterp$1(buffer) {
  	      var _0_0;
  	      if (this.scanner.peekChar$0() === 35) {
  	        _0_0 = this.singleInterpolation$0();
  	        buffer.add$2(0, _0_0._0, _0_0._1);
  	      } else
  	        this._stylesheet$_mediaInParens$1(buffer);
  	    },
  	    _stylesheet$_mediaInParens$1(buffer) {
  	      var t2, t3, expressionBefore, expressionAfter, next, t4, t5, expressionMiddle, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$2$name(40, "media condition in parentheses");
  	      t2 = buffer._interpolation_buffer$_text;
  	      t3 = A.Primitives_stringFromCharCode(40);
  	      t2._contents += t3;
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (t1.peekChar$0() === 40) {
  	        _this._stylesheet$_mediaInParens$1(buffer);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1("and")) {
  	          t2._contents += " and ";
  	          _this.expectWhitespace$1$consumeNewlines(true);
  	          _this._stylesheet$_mediaLogicSequence$2(buffer, "and");
  	        } else if (_this.scanIdentifier$1("or")) {
  	          t2._contents += " or ";
  	          _this.expectWhitespace$1$consumeNewlines(true);
  	          _this._stylesheet$_mediaLogicSequence$2(buffer, "or");
  	        }
  	      } else if (_this.scanIdentifier$1("not")) {
  	        t2._contents += "not ";
  	        _this.expectWhitespace$1$consumeNewlines(true);
  	        _this._mediaOrInterp$1(buffer);
  	      } else {
  	        expressionBefore = _this._expressionUntilComparison$0();
  	        buffer.add$2(0, expressionBefore, expressionBefore.get$span(expressionBefore));
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t3 = A.Primitives_stringFromCharCode(58);
  	          t2._contents += t3;
  	          t3 = A.Primitives_stringFromCharCode(32);
  	          t2._contents += t3;
  	          expressionAfter = _this._expression$1$consumeNewlines(true);
  	          buffer.add$2(0, expressionAfter, expressionAfter.get$span(expressionAfter));
  	        } else {
  	          next = t1.peekChar$0();
  	          t3 = 60 !== next;
  	          if (!t3 || 62 === next || 61 === next) {
  	            t4 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t4;
  	            t5 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t2._contents += t5;
  	            if ((!t3 || 62 === next) && t1.scanChar$1(61)) {
  	              t5 = A.Primitives_stringFromCharCode(61);
  	              t2._contents += t5;
  	            }
  	            t2._contents += t4;
  	            _this.whitespace$1$consumeNewlines(true);
  	            expressionMiddle = _this._expressionUntilComparison$0();
  	            buffer.add$2(0, expressionMiddle, expressionMiddle.get$span(expressionMiddle));
  	            if (!t3 || 62 === next) {
  	              next.toString;
  	              t3 = t1.scanChar$1(next);
  	            } else
  	              t3 = false;
  	            if (t3) {
  	              t2._contents += t4;
  	              t3 = A.Primitives_stringFromCharCode(next);
  	              t2._contents += t3;
  	              if (t1.scanChar$1(61)) {
  	                t3 = A.Primitives_stringFromCharCode(61);
  	                t2._contents += t3;
  	              }
  	              t2._contents += t4;
  	              _this.whitespace$1$consumeNewlines(true);
  	              expressionAfter = _this._expressionUntilComparison$0();
  	              buffer.add$2(0, expressionAfter, expressionAfter.get$span(expressionAfter));
  	            }
  	          }
  	        }
  	      }
  	      t1.expectChar$1(41);
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = A.Primitives_stringFromCharCode(41);
  	      t2._contents += t1;
  	    },
  	    _expressionUntilComparison$0() {
  	      return this._expression$2$consumeNewlines$until(true, new A.StylesheetParser__expressionUntilComparison_closure(this));
  	    },
  	    _supportsCondition$1$inParentheses(inParentheses) {
  	      var condition, operator, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	        return new A.SupportsNegation(_this._supportsConditionInParens$0(), _this.spanFrom$1(start));
  	      }
  	      condition = _this._supportsConditionInParens$0();
  	      _this.whitespace$1$consumeNewlines(inParentheses);
  	      for (operator = null; _this.lookingAtIdentifier$0();) {
  	        if (operator != null)
  	          _this.expectIdentifier$1(operator._name);
  	        else if (_this.scanIdentifier$1("or"))
  	          operator = B.BooleanOperator_1;
  	        else {
  	          _this.expectIdentifier$1("and");
  	          operator = B.BooleanOperator_0;
  	        }
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	        condition = new A.SupportsOperation(condition, _this._supportsConditionInParens$0(), operator, _this.spanFrom$1(start));
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	      }
  	      return condition;
  	    },
  	    _supportsCondition$0() {
  	      return this._supportsCondition$1$inParentheses(false);
  	    },
  	    _supportsConditionInParens$0() {
  	      var $name, nameStart, wasInParentheses, identifier, _1_0, operation, contents, identifier0, t2, $arguments, _0_0, _0_4_isSet, _0_4, condition, value, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this._lookingAtInterpolatedIdentifier$0()) {
  	        identifier0 = _this.interpolatedIdentifier$0();
  	        t2 = identifier0.get$asPlain();
  	        if ((t2 == null ? null : t2.toLowerCase()) === "not")
  	          _this.error$2(0, '"not" is not a valid identifier here.', identifier0.span);
  	        if (t1.scanChar$1(40)) {
  	          $arguments = _this._interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	          t1.expectChar$1(41);
  	          return new A.SupportsFunction(identifier0, $arguments, _this.spanFrom$1(start));
  	        } else {
  	          _0_0 = identifier0.contents;
  	          _0_4_isSet = _0_0.length === 1;
  	          if (_0_4_isSet) {
  	            _0_4 = _0_0[0];
  	            t2 = _0_4 instanceof A.Expression;
  	          } else {
  	            _0_4 = null;
  	            t2 = false;
  	          }
  	          if (t2) {
  	            t1 = _0_4_isSet ? _0_4 : _0_0[0];
  	            return new A.SupportsInterpolation(type$.Expression._as(t1), _this.spanFrom$1(start));
  	          } else
  	            _this.error$2(0, "Expected @supports condition.", identifier0.span);
  	        }
  	      }
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        condition = _this._supportsConditionInParens$0();
  	        t1.expectChar$1(41);
  	        return new A.SupportsNegation(condition, _this.spanFrom$1(start));
  	      } else if (t1.peekChar$0() === 40) {
  	        condition = _this._supportsCondition$1$inParentheses(true);
  	        t1.expectChar$1(41);
  	        return condition.withSpan$1(_this.spanFrom$1(start));
  	      }
  	      $name = null;
  	      nameStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      wasInParentheses = _this._inParentheses;
  	      try {
  	        $name = _this._expression$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception))) {
  	          t1.set$state(nameStart);
  	          _this._inParentheses = wasInParentheses;
  	          identifier = _this.interpolatedIdentifier$0();
  	          _1_0 = _this._trySupportsOperation$2(identifier, nameStart);
  	          operation = null;
  	          if (_1_0 != null) {
  	            operation = _1_0;
  	            t1.expectChar$1(41);
  	            t1 = operation;
  	            t2 = _this.spanFrom$1(start);
  	            return new A.SupportsOperation(t1.left, t1.right, t1.operator, t2);
  	          }
  	          t2 = new A.InterpolationBuffer(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	          t2.addInterpolation$1(identifier);
  	          t2.addInterpolation$1(_this._interpolatedDeclarationValue$4$allowColon$allowEmpty$allowSemicolon$consumeNewlines(false, true, true, true));
  	          contents = t2.interpolation$1(_this.spanFrom$1(nameStart));
  	          if (t1.peekChar$0() === 58)
  	            throw exception;
  	          t1.expectChar$1(41);
  	          return new A.SupportsAnything(contents, _this.spanFrom$1(start));
  	        } else
  	          throw exception;
  	      }
  	      value = _this._supportsDeclarationValue$1($name);
  	      t1.expectChar$1(41);
  	      return new A.SupportsDeclaration($name, value, _this.spanFrom$1(start));
  	    },
  	    _supportsDeclarationValue$1($name) {
  	      var t1 = false;
  	      if ($name instanceof A.StringExpression)
  	        if (!$name.hasQuotes)
  	          t1 = B.JSString_methods.startsWith$1($name.text.get$initialPlain(), "--");
  	      if (t1)
  	        return new A.StringExpression(this._interpolatedDeclarationValue$0(), false);
  	      else {
  	        this.whitespace$1$consumeNewlines(true);
  	        return this._expression$1$consumeNewlines(true);
  	      }
  	    },
  	    _trySupportsOperation$2(interpolation, start) {
  	      var expression, t2, t3, operator, operation, right, t4, _this = this, _null = null,
  	        t1 = interpolation.contents;
  	      if (t1.length !== 1)
  	        return _null;
  	      expression = B.JSArray_methods.get$first(t1);
  	      if (!(expression instanceof A.Expression))
  	        return _null;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t3 = interpolation.span, operator = _null, operation = operator; _this.lookingAtIdentifier$0();) {
  	        if (operator != null)
  	          _this.expectIdentifier$1(operator._name);
  	        else if (_this.scanIdentifier$1("and"))
  	          operator = B.BooleanOperator_0;
  	        else {
  	          if (!_this.scanIdentifier$1("or")) {
  	            if ((t2 === 0 ? 1 / t2 < 0 : t2 < 0) || t2 > t1.string.length)
  	              A.throwExpression(A.ArgumentError$("Invalid position " + t2, _null));
  	            t1._string_scanner$_position = t2;
  	            return t1._lastMatch = null;
  	          }
  	          operator = B.BooleanOperator_1;
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        right = _this._supportsConditionInParens$0();
  	        t4 = operation == null ? new A.SupportsInterpolation(expression, t3) : operation;
  	        operation = new A.SupportsOperation(t4, right, operator, _this.spanFrom$1(start));
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      return operation;
  	    },
  	    _lookingAtInterpolatedIdentifier$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = false;
  	        if (_1_0 == null) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (_1_0 === 95 || A.CharacterExtension_get_isAlphabetic(_1_0) || _1_0 >= 128 || 92 === _1_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _1_0) {
  	          t1 = t1.peekChar$1(1) === 123;
  	          break $label0$0;
  	        }
  	        if (45 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (_0_0 == null) {
  	              t1 = t2;
  	              break $label1$1;
  	            }
  	            if (35 === _0_0) {
  	              t1 = t1.peekChar$1(2) === 123;
  	              break $label1$1;
  	            }
  	            if (_0_0 === 95 || A.CharacterExtension_get_isAlphabetic(_0_0) || _0_0 >= 128 || 92 === _0_0 || 45 === _0_0) {
  	              t1 = true;
  	              break $label1$1;
  	            }
  	            t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _lookingAtPotentialPropertyHack$0() {
  	      var t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (58 === _0_0 || 42 === _0_0 || 46 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = t1.peekChar$1(1) !== 123;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _lookingAtInterpolatedIdentifierBody$0() {
  	      var t2, t3,
  	        t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = false;
  	        if (_0_0 == null) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (!(_0_0 === 95 || A.CharacterExtension_get_isAlphabetic(_0_0) || _0_0 >= 128))
  	          t3 = _0_0 >= 48 && _0_0 <= 57 || _0_0 === 45;
  	        else
  	          t3 = true;
  	        if (t3 || 92 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = t1.peekChar$1(1) === 123;
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _lookingAtExpression$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = true;
  	        if (_1_0 == null) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        if (46 === _1_0) {
  	          t1 = t1.peekChar$1(1) !== 46;
  	          break $label0$0;
  	        }
  	        if (33 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (_0_0 != null)
  	              if (105 !== _0_0)
  	                if (73 !== _0_0)
  	                  t1 = _0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12;
  	                else
  	                  t1 = t2;
  	              else
  	                t1 = t2;
  	            else
  	              t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        if (40 !== _1_0)
  	          if (47 !== _1_0)
  	            if (91 !== _1_0)
  	              if (39 !== _1_0)
  	                if (34 !== _1_0)
  	                  if (35 !== _1_0)
  	                    if (43 !== _1_0)
  	                      if (45 !== _1_0)
  	                        if (92 !== _1_0)
  	                          if (36 !== _1_0)
  	                            if (38 !== _1_0)
  	                              if (37 !== _1_0)
  	                                if (!(_1_0 === 95 || A.CharacterExtension_get_isAlphabetic(_1_0) || _1_0 >= 128))
  	                                  t1 = _1_0 >= 48 && _1_0 <= 57;
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _withChildren$1$3(child, start, create) {
  	      var result = create.call$2(this.children$1(0, child), this.spanFrom$1(start));
  	      this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      return result;
  	    },
  	    _withChildren$3(child, start, create) {
  	      return this._withChildren$1$3(child, start, create, type$.dynamic);
  	    },
  	    _urlString$0() {
  	      var innerError, stackTrace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        url = _this.string$0();
  	      try {
  	        t1 = A.Uri_parse(url);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.FormatException._is(t1)) {
  	          innerError = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), _this.spanFrom$1(start), stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _publicIdentifier$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        result = _this.identifier$0();
  	      _this._assertPublic$2(result, new A.StylesheetParser__publicIdentifier_closure(_this, new A._SpanScannerState(t1, t2)));
  	      return result;
  	    },
  	    _assertPublic$2(identifier, span) {
  	      var first = identifier.charCodeAt(0);
  	      if (!(first === 45 || first === 95))
  	        return;
  	      this.error$2(0, string$.Privat, span.call$0());
  	    },
  	    _addOrInject$2(buffer, expression) {
  	      if (expression instanceof A.StringExpression && !expression.hasQuotes)
  	        buffer.addInterpolation$1(expression.text);
  	      else
  	        buffer.add$2(0, expression, expression.get$span(expression));
  	    },
  	    get$plainCss() {
  	      return false;
  	    }
  	  };
  	  A.StylesheetParser_parse_closure.prototype = {
  	    call$0() {
  	      var statements,
  	        t1 = this.$this,
  	        t2 = t1.scanner,
  	        t3 = t2._string_scanner$_position;
  	      t2.scanChar$1(65279);
  	      statements = t1.statements$1(new A.StylesheetParser_parse__closure(t1));
  	      t2.expectDone$0();
  	      return A.Stylesheet$internal(statements, t1.spanFrom$1(new A._SpanScannerState(t2, t3)), t1.warnings, t1._globalVariables, t1.get$plainCss());
  	    },
  	    $signature: 487
  	  };
  	  A.StylesheetParser_parse__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (t1.scanner.scan$1("@charset")) {
  	        t1.whitespace$1$consumeNewlines(false);
  	        t1.string$0();
  	        return null;
  	      }
  	      return t1._statement$1$root(true);
  	    },
  	    $signature: 531
  	  };
  	  A.StylesheetParser_parseParameterList_closure.prototype = {
  	    call$0() {
  	      var parameters,
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      t2.expectChar$2$name(64, "@-rule");
  	      t1.identifier$0();
  	      t1.whitespace$1$consumeNewlines(true);
  	      t1.identifier$0();
  	      parameters = t1._parameterList$0();
  	      t1.whitespace$1$consumeNewlines(true);
  	      t2.expectChar$1(123);
  	      return parameters;
  	    },
  	    $signature: 540
  	  };
  	  A.StylesheetParser_parseVariableDeclaration_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1.lookingAtIdentifier$0() ? t1._variableDeclarationWithNamespace$0() : t1.variableDeclarationWithoutNamespace$0();
  	    },
  	    $signature: 547
  	  };
  	  A.StylesheetParser_parseUseRule_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1.scanner,
  	        t3 = t2._string_scanner$_position;
  	      t2.expectChar$2$name(64, "@-rule");
  	      t1.expectIdentifier$1("use");
  	      t1.whitespace$1$consumeNewlines(true);
  	      return t1._useRule$1(new A._SpanScannerState(t2, t3));
  	    },
  	    $signature: 548
  	  };
  	  A.StylesheetParser__parseSingleProduction_closure.prototype = {
  	    call$0() {
  	      var result = this.production.call$0();
  	      this.$this.scanner.expectDone$0();
  	      return result;
  	    },
  	    $signature() {
  	      return this.T._eval$1("0()");
  	    }
  	  };
  	  A.StylesheetParser__statement_closure.prototype = {
  	    call$0() {
  	      return this.$this._statement$0();
  	    },
  	    $signature: 125
  	  };
  	  A.StylesheetParser_variableDeclarationWithoutNamespace_closure.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser_variableDeclarationWithoutNamespace_closure0.prototype = {
  	    call$0() {
  	      return this.declaration.span;
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure0.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure1.prototype = {
  	    call$1($name) {
  	      return A.equalsIgnoreCase($name, "result");
  	    },
  	    $signature: 4
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure2.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__styleRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.StyleRule$(this._box_0.interpolation, children, this.$this.spanFrom$1(this.start));
  	    },
  	    $signature: 549
  	  };
  	  A.StylesheetParser__withStyleRuleChildren_closure.prototype = {
  	    call$2(children, span) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (t1.get$indented() && children.length === 0) {
  	        t2 = _this.nodeWithSpan;
  	        t1.warnings.push(new A._Record_3_deprecation_message_span(null, string$.This_s, t2.get$span(t2)));
  	      }
  	      t1._inStyleRule = _this.wasInStyleRule;
  	      return _this.create.call$2(children, span);
  	    },
  	    $signature() {
  	      return this.T._eval$1("0(List<Statement>,FileSpan)");
  	    }
  	  };
  	  A.StylesheetParser__propertyOrVariableDeclaration_closure.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__tryDeclarationChildren_closure.prototype = {
  	    call$2(children, span) {
  	      return A.Declaration$nested(this.name, children, span, this.value);
  	    },
  	    $signature: 551
  	  };
  	  A.StylesheetParser__atRootRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.AtRootRule$(children, span, this.query);
  	    },
  	    $signature: 160
  	  };
  	  A.StylesheetParser__atRootRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.AtRootRule$(children, span, null);
  	    },
  	    $signature: 160
  	  };
  	  A.StylesheetParser__eachRule_closure.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      _this.$this._inControlDirective = _this.wasInControlDirective;
  	      return A.EachRule$(_this.variables, _this.list, children, span);
  	    },
  	    $signature: 608
  	  };
  	  A.StylesheetParser__functionRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.FunctionRule$(this.name, this.parameters, children, span, this.precedingComment);
  	    },
  	    $signature: 624
  	  };
  	  A.StylesheetParser__forRule_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (!t1.lookingAtIdentifier$0())
  	        return false;
  	      if (t1.scanIdentifier$1("to"))
  	        return this._box_0.exclusive = true;
  	      else if (t1.scanIdentifier$1("through")) {
  	        this._box_0.exclusive = false;
  	        return true;
  	      } else
  	        return false;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__forRule_closure0.prototype = {
  	    call$2(children, span) {
  	      var t1, _this = this;
  	      _this.$this._inControlDirective = _this.wasInControlDirective;
  	      t1 = _this._box_0.exclusive;
  	      t1.toString;
  	      return A.ForRule$(_this.variable, _this.from, _this.to, children, span, t1);
  	    },
  	    $signature: 278
  	  };
  	  A.StylesheetParser__memberList_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (t1.scanner.peekChar$0() === 36)
  	        this.variables.add$1(0, t1.variableName$0());
  	      else
  	        this.identifiers.add$1(0, t1.identifier$1$normalize(true));
  	    },
  	    $signature: 1
  	  };
  	  A.StylesheetParser__includeRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.ContentBlock$(this.contentParameters_, children, span);
  	    },
  	    $signature: 282
  	  };
  	  A.StylesheetParser_mediaRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.MediaRule$(this.query, children, span);
  	    },
  	    $signature: 297
  	  };
  	  A.StylesheetParser__mixinRule_closure.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      _this.$this._stylesheet$_inMixin = false;
  	      return A.MixinRule$(_this.name, _this.parameters, children, span, _this.precedingComment);
  	    },
  	    $signature: 299
  	  };
  	  A.StylesheetParser_mozDocumentRule_closure.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_mozDocumentRule_closure0.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      if (_this._box_0.needsDeprecationWarning)
  	        _this.$this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_PmQ, string$.x40_moz_, span));
  	      return A.AtRule$(_this.name, span, children, _this.value);
  	    },
  	    $signature: 161
  	  };
  	  A.StylesheetParser_supportsRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.SupportsRule$(this.condition, children, span);
  	    },
  	    $signature: 302
  	  };
  	  A.StylesheetParser__whileRule_closure.prototype = {
  	    call$2(children, span) {
  	      this.$this._inControlDirective = this.wasInControlDirective;
  	      return A.WhileRule$(this.condition, children, span);
  	    },
  	    $signature: 303
  	  };
  	  A.StylesheetParser_unknownAtRule_closure.prototype = {
  	    call$2(children, span) {
  	      return A.AtRule$(this.name, span, children, this._box_0.value);
  	    },
  	    $signature: 161
  	  };
  	  A.StylesheetParser__expression_resetState.prototype = {
  	    call$0() {
  	      var t2,
  	        t1 = this._box_0;
  	      t1.operands_ = t1.operators_ = t1.spaceExpressions_ = t1.commaExpressions_ = null;
  	      t2 = this.$this;
  	      t2.scanner.set$state(this.start);
  	      t1.allowSlash = true;
  	      t1.singleExpression_ = t2._singleExpression$0();
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_resolveOneOperation.prototype = {
  	    call$0() {
  	      var t2, t3, t4, t5, t6, t7, _this = this,
  	        t1 = _this._box_0,
  	        operator = t1.operators_.pop(),
  	        left = t1.operands_.pop(),
  	        right = t1.singleExpression_;
  	      if (right == null) {
  	        t2 = _this.$this.scanner;
  	        t3 = operator.operator.length;
  	        t2.error$3$length$position(0, "Expected expression.", t3, t2._string_scanner$_position - t3);
  	      }
  	      if (t1.allowSlash) {
  	        t2 = _this.$this;
  	        t2 = !t2._inParentheses && operator === B.BinaryOperator_ehp && t2._isSlashOperand$1(left) && t2._isSlashOperand$1(right);
  	      } else
  	        t2 = false;
  	      if (t2)
  	        t1.singleExpression_ = new A.BinaryOperationExpression(B.BinaryOperator_ehp, left, right, true);
  	      else {
  	        t1.singleExpression_ = new A.BinaryOperationExpression(operator, left, right, false);
  	        t2 = t1.allowSlash = false;
  	        if (B.BinaryOperator_jCK === operator || B.BinaryOperator_tDf === operator) {
  	          t3 = _this.$this;
  	          t4 = t3.scanner.string;
  	          t5 = right.get$span(right);
  	          t5 = t5.get$start(t5);
  	          t6 = right.get$span(right);
  	          t7 = operator.operator;
  	          if (B.JSString_methods.substring$2(t4, t5.offset - 1, t6.get$start(t6).offset) === t7) {
  	            t2 = left.get$span(left);
  	            t2 = t4.charCodeAt(t2.get$end(t2).offset);
  	            t2 = t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12;
  	          }
  	          if (t2) {
  	            t2 = left.toString$0(0);
  	            t4 = right.toString$0(0);
  	            t5 = left.toString$0(0);
  	            t6 = right.toString$0(0);
  	            t1 = t1.singleExpression_;
  	            t3.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_K9u, "This operation is parsed as:\n\n    " + t2 + " " + t7 + " " + t4 + string$.x0a_but_ + t5 + " (" + t7 + t6 + ")\n\nAdd a space after " + t7 + string$.x20to_cl, t1.get$span(t1)));
  	          }
  	        }
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_resolveOperations.prototype = {
  	    call$0() {
  	      var t1,
  	        operators = this._box_0.operators_;
  	      if (operators == null)
  	        return;
  	      for (t1 = this.resolveOneOperation; operators.length !== 0;)
  	        t1.call$0();
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_addSingleExpression.prototype = {
  	    call$1(expression) {
  	      var t2, spaceExpressions, _this = this,
  	        t1 = _this._box_0;
  	      if (t1.singleExpression_ != null) {
  	        t2 = _this.$this;
  	        if (t2._inParentheses) {
  	          t2._inParentheses = false;
  	          if (t1.allowSlash) {
  	            _this.resetState.call$0();
  	            return;
  	          }
  	        }
  	        spaceExpressions = t1.spaceExpressions_;
  	        if (spaceExpressions == null)
  	          spaceExpressions = t1.spaceExpressions_ = A._setArrayType([], type$.JSArray_Expression);
  	        _this.resolveOperations.call$0();
  	        t2 = t1.singleExpression_;
  	        t2.toString;
  	        spaceExpressions.push(t2);
  	        t1.allowSlash = true;
  	      }
  	      t1.singleExpression_ = expression;
  	    },
  	    $signature: 305
  	  };
  	  A.StylesheetParser__expression_addOperator.prototype = {
  	    call$1(operator) {
  	      var t2, t3, operators, operands, t4, singleExpression, operatorEnd, _this = this,
  	        t1 = _this.$this;
  	      if (t1.get$plainCss() && operator !== B.BinaryOperator_g6F && operator !== B.BinaryOperator_jCK && operator !== B.BinaryOperator_tDf && operator !== B.BinaryOperator_wkM && operator !== B.BinaryOperator_ehp) {
  	        t2 = t1.scanner;
  	        t3 = operator.operator.length;
  	        t2.error$3$length$position(0, "Operators aren't allowed in plain CSS.", t3, t2._string_scanner$_position - t3);
  	      }
  	      t2 = _this._box_0;
  	      t2.allowSlash = t2.allowSlash && operator === B.BinaryOperator_ehp;
  	      operators = t2.operators_;
  	      if (operators == null)
  	        operators = t2.operators_ = A._setArrayType([], type$.JSArray_BinaryOperator);
  	      operands = t2.operands_;
  	      if (operands == null)
  	        operands = t2.operands_ = A._setArrayType([], type$.JSArray_Expression);
  	      t3 = _this.resolveOneOperation;
  	      t4 = operator.precedence;
  	      for (;;) {
  	        if (!(operators.length !== 0 && B.JSArray_methods.get$last(operators).precedence >= t4))
  	          break;
  	        t3.call$0();
  	      }
  	      singleExpression = t2.singleExpression_;
  	      if (singleExpression == null) {
  	        t3 = t1.scanner;
  	        t4 = operator.operator.length;
  	        t3.error$3$length$position(0, "Expected expression.", t4, t3._string_scanner$_position - t4);
  	      }
  	      operatorEnd = t1.scanner._string_scanner$_position;
  	      t1.whitespace$1$consumeNewlines(true);
  	      if (operator === B.BinaryOperator_bgA && !t1._lookingAtExpression$0()) {
  	        t1 = t1.spanFromPosition$2(operatorEnd - 1, operatorEnd);
  	        _this.addSingleExpression.call$1(new A.StringExpression(new A.Interpolation(A.List_List$unmodifiable(["%"], type$.Object), B.List_null, t1), false));
  	      } else {
  	        operators.push(operator);
  	        operands.push(singleExpression);
  	        t2.singleExpression_ = t1._singleExpression$0();
  	      }
  	    },
  	    $signature: 308
  	  };
  	  A.StylesheetParser__expression_resolveSpaceExpressions.prototype = {
  	    call$0() {
  	      var t1, spaceExpressions, singleExpression, t2;
  	      this.resolveOperations.call$0();
  	      t1 = this._box_0;
  	      spaceExpressions = t1.spaceExpressions_;
  	      if (spaceExpressions == null)
  	        return;
  	      singleExpression = t1.singleExpression_;
  	      if (singleExpression == null)
  	        this.$this.scanner.error$1(0, "Expected expression.");
  	      spaceExpressions.push(singleExpression);
  	      t2 = B.JSArray_methods.get$first(spaceExpressions);
  	      t2 = t2.get$span(t2).expand$1(0, singleExpression.get$span(singleExpression));
  	      t1.singleExpression_ = new A.ListExpression(A.List_List$unmodifiable(spaceExpressions, type$.Expression), B.ListSeparator_SrV, false, t2);
  	      t1.spaceExpressions_ = null;
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_expressionUntilComma_closure.prototype = {
  	    call$0() {
  	      return this.$this.scanner.peekChar$0() === 44;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__isHexColor_closure.prototype = {
  	    call$1(char) {
  	      return A.CharacterExtension_get_isHex(char);
  	    },
  	    $signature: 50
  	  };
  	  A.StylesheetParser__unicodeRange_closure.prototype = {
  	    call$1(char) {
  	      return char != null && A.CharacterExtension_get_isHex(char);
  	    },
  	    $signature: 31
  	  };
  	  A.StylesheetParser__unicodeRange_closure0.prototype = {
  	    call$1(char) {
  	      return char != null && A.CharacterExtension_get_isHex(char);
  	    },
  	    $signature: 31
  	  };
  	  A.StylesheetParser_interpolatedStringToken_closure.prototype = {
  	    call$0() {
  	      return A.consumeEscapedCharacter(this.$this.scanner);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_namespacedExpression_closure.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser_trySpecialFunction_closure.prototype = {
  	    call$1(contents) {
  	      return new A.StringExpression(contents, false);
  	    },
  	    $signature: 316
  	  };
  	  A.StylesheetParser__interpolatedDeclarationValue_closure.prototype = {
  	    call$0() {
  	      return this.$this.scanIdentifier$2$caseSensitive("of", false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expressionUntilComparison_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (61 === _0_0) {
  	          t1 = t1.peekChar$1(1) !== 61;
  	          break $label0$0;
  	        }
  	        if (60 === _0_0 || 62 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__publicIdentifier_closure.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetGraph.prototype = {
  	    modifiedSince$3(url, since, baseImporter) {
  	      var node = this._stylesheet_graph$_add$3(url, baseImporter, null);
  	      if (node == null)
  	        return true;
  	      return new A.StylesheetGraph_modifiedSince_transitiveModificationTime(this, A.LinkedHashSet_LinkedHashSet$_empty(type$.StylesheetNode)).call$1(node).isAfter$1(since);
  	    },
  	    _stylesheet_graph$_add$3(url, baseImporter, baseUrl) {
  	      var importer, canonicalUrl, _this = this,
  	        result = _this._ignoreErrors$1(new A.StylesheetGraph__add_closure(_this, url, baseImporter, baseUrl));
  	      if (type$.Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl._is(result)) {
  	        importer = result._0;
  	        canonicalUrl = result._1;
  	        _this.addCanonical$3(importer, canonicalUrl, result._2);
  	        return _this._nodes.$index(0, canonicalUrl);
  	      } else
  	        return null;
  	    },
  	    addCanonical$4$recanonicalize(importer, canonicalUrl, originalUrl, recanonicalize) {
  	      var stylesheet, _this = this,
  	        t1 = _this._nodes;
  	      if (t1.$index(0, canonicalUrl) != null)
  	        return B.Set_empty4;
  	      stylesheet = _this._ignoreErrors$1(new A.StylesheetGraph_addCanonical_closure(_this, importer, canonicalUrl, originalUrl));
  	      if (stylesheet == null)
  	        return B.Set_empty4;
  	      t1.$indexSet(0, canonicalUrl, A.StylesheetNode$_(stylesheet, importer, canonicalUrl, _this._upstreamNodes$3(stylesheet, importer, canonicalUrl)));
  	      return recanonicalize ? _this._recanonicalizeImports$2(importer, canonicalUrl) : B.Set_empty4;
  	    },
  	    addCanonical$3(importer, canonicalUrl, originalUrl) {
  	      return this.addCanonical$4$recanonicalize(importer, canonicalUrl, originalUrl, true);
  	    },
  	    _upstreamNodes$4(stylesheet, baseImporter, baseUrl, active) {
  	      var t1, t2, t3, t4, t5, t6, t7, t8;
  	      if (active == null)
  	        active = A.LinkedHashSet_LinkedHashSet$_literal([baseUrl], type$.Uri);
  	      t1 = type$.Uri;
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      t4 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      t5 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      new A._FindDependenciesVisitor(t2, t3, t4, t5, A.LinkedHashSet_LinkedHashSet$_empty(type$.nullable_String)).visitChildren$1(stylesheet.children);
  	      t6 = type$.UnmodifiableSetView_Uri;
  	      t7 = type$.nullable_StylesheetNode;
  	      t8 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t7);
  	      for (t2 = new A.UnionSet(A.LinkedHashSet_LinkedHashSet$_literal([new A.UnmodifiableSetView0(t2, t6), new A.UnmodifiableSetView0(t3, t6), new A.UnmodifiableSetView0(t4, t6)], type$.Set_Uri), type$.UnionSet_Uri).get$_union_set$_iterable(), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t8.$indexSet(0, t3, this._nodeFor$4(t3, baseImporter, baseUrl, active));
  	      }
  	      t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t7);
  	      for (t2 = t5.get$iterator(0); t2.moveNext$0();) {
  	        t3 = t2.get$current(0);
  	        t1.$indexSet(0, t3, this._nodeFor$5$forImport(t3, baseImporter, baseUrl, active, true));
  	      }
  	      return new A._Record_2_imports_modules(t1, t8);
  	    },
  	    _upstreamNodes$3(stylesheet, baseImporter, baseUrl) {
  	      return this._upstreamNodes$4(stylesheet, baseImporter, baseUrl, null);
  	    },
  	    reload$1(canonicalUrl) {
  	      var stylesheet, upstream, _this = this,
  	        node = _this._nodes.$index(0, canonicalUrl);
  	      if (node == null)
  	        throw A.wrapException(A.StateError$(canonicalUrl.toString$0(0) + " is not in the dependency graph."));
  	      _this._transitiveModificationTimes.clear$0(0);
  	      _this.importCache.clearImport$1(canonicalUrl);
  	      stylesheet = _this._ignoreErrors$1(new A.StylesheetGraph_reload_closure(_this, node, canonicalUrl));
  	      if (stylesheet == null)
  	        return false;
  	      node._stylesheet = stylesheet;
  	      upstream = _this._upstreamNodes$3(stylesheet, node.importer, canonicalUrl);
  	      node._replaceUpstream$2(upstream._1, upstream._0);
  	      return true;
  	    },
  	    reloadAllModified$0() {
  	      var node, modified, loadTime, t2, t3, _i, t4, t5, t6, t7, modified0, _this = this,
  	        t1 = _this._nodes;
  	      t1 = A.List_List$_of(new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>")), type$.StylesheetNode);
  	      t2 = t1.length;
  	      t3 = _this.importCache._loadTimes;
  	      _i = 0;
  	      for (; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        node = t1[_i];
  	        modified = false;
  	        try {
  	          loadTime = t3.$index(0, node.canonicalUrl);
  	          if (loadTime != null) {
  	            t4 = node.importer.modificationTime$1(node.canonicalUrl);
  	            t5 = loadTime;
  	            t6 = t4._value;
  	            t7 = t5._value;
  	            if (t6 <= t7) {
  	              t4 = t6 === t7 && t4._microsecond > t5._microsecond;
  	              modified0 = t4;
  	            } else
  	              modified0 = true;
  	          } else
  	            modified0 = false;
  	          modified = modified0;
  	        } catch (exception) {
  	          if (A.unwrapException(exception) instanceof A.FileSystemException)
  	            modified = true;
  	          else
  	            throw exception;
  	        }
  	        if (modified)
  	          if (!_this.reload$1(node.canonicalUrl))
  	            _this.remove$2(0, node.importer, node.canonicalUrl);
  	      }
  	    },
  	    remove$2(_, importer, canonicalUrl) {
  	      var toRecompile, _this = this,
  	        node = _this._nodes.remove$1(0, canonicalUrl),
  	        t1 = node != null;
  	      if (t1) {
  	        _this._transitiveModificationTimes.clear$0(0);
  	        _this.importCache.clearImport$1(canonicalUrl);
  	        node._stylesheet_graph$_remove$0();
  	      }
  	      toRecompile = _this._recanonicalizeImports$2(importer, canonicalUrl);
  	      if (t1)
  	        toRecompile.addAll$1(0, node._downstream);
  	      return toRecompile;
  	    },
  	    _recanonicalizeImports$2(importer, canonicalUrl) {
  	      var changed, t1, t2, t3, t4, t5, newUpstream, newUpstreamImports, _this = this;
  	      _this.importCache.clearCanonicalize$1(canonicalUrl);
  	      changed = A.LinkedHashSet_LinkedHashSet$_empty(type$.StylesheetNode);
  	      for (t1 = _this._nodes.get$values(0).get$iterator(0), t2 = type$.UnmodifiableMapView_of_Uri_and_nullable_StylesheetNode, t3 = type$.Uri, t4 = type$.nullable_StylesheetNode; t1.moveNext$0();) {
  	        t5 = t1.get$current(0);
  	        newUpstream = _this._recanonicalizeImportsForNode$4$forImport(t5, importer, canonicalUrl, false);
  	        newUpstreamImports = _this._recanonicalizeImportsForNode$4$forImport(t5, importer, canonicalUrl, true);
  	        if (newUpstream.__js_helper$_length !== 0 || newUpstreamImports.__js_helper$_length !== 0) {
  	          changed.add$1(0, t5);
  	          t5._replaceUpstream$2(A.mergeMaps(new A.UnmodifiableMapView(t5._upstream, t2), newUpstream, t3, t4), A.mergeMaps(new A.UnmodifiableMapView(t5._upstreamImports, t2), newUpstreamImports, t3, t4));
  	        }
  	      }
  	      if (changed._collection$_length !== 0)
  	        _this._transitiveModificationTimes.clear$0(0);
  	      return changed;
  	    },
  	    _recanonicalizeImportsForNode$4$forImport(node, importer, canonicalUrl, forImport) {
  	      var url, result, t2, newMap, t3, t4, t5, t6, upstream, newCanonicalUrl,
  	        t1 = type$.UnmodifiableMapView_of_Uri_and_nullable_StylesheetNode,
  	        map = forImport ? new A.UnmodifiableMapView(node._upstreamImports, t1) : new A.UnmodifiableMapView(node._upstream, t1);
  	      t1 = type$.Uri;
  	      t2 = type$.nullable_StylesheetNode;
  	      newMap = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      for (t1 = A.MapExtensions_get_pairs(map, t1, t2), t1 = t1.get$iterator(t1), t2 = this._nodes, t3 = this.importCache, t4 = node.importer, t5 = node.canonicalUrl; t1.moveNext$0();) {
  	        t6 = t1.get$current(t1);
  	        url = null;
  	        url = t6._0;
  	        upstream = t6._1;
  	        if (!importer.couldCanonicalize$2(url, canonicalUrl))
  	          continue;
  	        result = null;
  	        try {
  	          result = t3.canonicalize$4$baseImporter$baseUrl$forImport(0, url, t4, t5, forImport);
  	        } catch (exception) {
  	        }
  	        t6 = result;
  	        newCanonicalUrl = t6 == null ? null : t6._1;
  	        if (J.$eq$(newCanonicalUrl, upstream == null ? null : upstream.canonicalUrl))
  	          continue;
  	        t6 = url;
  	        newMap.$indexSet(0, t6, result == null ? null : t2.$index(0, newCanonicalUrl));
  	      }
  	      return newMap;
  	    },
  	    _nodeFor$5$forImport(url, baseImporter, baseUrl, active, forImport) {
  	      var canonicalUrl, t2, _1_0, stylesheet, t3, t4, node, _this = this, t1 = {},
  	        result = _this._ignoreErrors$1(new A.StylesheetGraph__nodeFor_closure(_this, url, baseImporter, baseUrl, forImport));
  	      if (result == null)
  	        return null;
  	      t1.originalUrl = t1.canonicalUrl = t1.importer = null;
  	      t1.importer = result._0;
  	      canonicalUrl = t1.canonicalUrl = result._1;
  	      t1.originalUrl = result._2;
  	      t2 = _this._nodes;
  	      _1_0 = t2.$index(0, canonicalUrl);
  	      if (_1_0 != null)
  	        return _1_0;
  	      if (active.contains$1(0, canonicalUrl))
  	        return null;
  	      stylesheet = _this._ignoreErrors$1(new A.StylesheetGraph__nodeFor_closure0(t1, _this));
  	      if (stylesheet == null)
  	        return null;
  	      active.add$1(0, t1.canonicalUrl);
  	      t3 = t1.importer;
  	      t4 = t1.canonicalUrl;
  	      node = A.StylesheetNode$_(stylesheet, t3, t4, _this._upstreamNodes$4(stylesheet, t3, t4, active));
  	      active.remove$1(0, t1.canonicalUrl);
  	      t2.$indexSet(0, t1.canonicalUrl, node);
  	      return node;
  	    },
  	    _nodeFor$4(url, baseImporter, baseUrl, active) {
  	      return this._nodeFor$5$forImport(url, baseImporter, baseUrl, active, false);
  	    },
  	    _ignoreErrors$1$1(callback) {
  	      var t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        return null;
  	      }
  	    },
  	    _ignoreErrors$1(callback) {
  	      return this._ignoreErrors$1$1(callback, type$.dynamic);
  	    }
  	  };
  	  A.StylesheetGraph_modifiedSince_transitiveModificationTime.prototype = {
  	    call$1(node) {
  	      var t1 = this.seenNodes;
  	      t1.add$1(0, node);
  	      return this.$this._transitiveModificationTimes.putIfAbsent$2(node.canonicalUrl, new A.StylesheetGraph_modifiedSince_transitiveModificationTime_closure(node, t1, this));
  	    },
  	    $signature: 317
  	  };
  	  A.StylesheetGraph_modifiedSince_transitiveModificationTime_closure.prototype = {
  	    call$0() {
  	      var t2, t3, t4, t5, t6,
  	        t1 = this.node,
  	        latest = t1.importer.modificationTime$1(t1.canonicalUrl);
  	      for (t1 = t1._upstream.get$values(0).followedBy$1(0, t1._upstreamImports.get$values(0)).get$iterator(0), t2 = this.transitiveModificationTime, t3 = this.seenNodes; t1.moveNext$0();) {
  	        t4 = t1.get$current(0);
  	        $label0$0: {
  	          if (t4 == null) {
  	            t4 = new A.DateTime(Date.now(), 0, false);
  	            break $label0$0;
  	          }
  	          t5 = t3.contains$1(0, t4);
  	          if (t5) {
  	            t4 = new A.DateTime(A.DateTime__validate(0, 0, false), 0, false);
  	            break $label0$0;
  	          }
  	          t4 = t2.call$1(t4);
  	          break $label0$0;
  	        }
  	        t5 = t4._value;
  	        t6 = latest._value;
  	        if (t5 <= t6)
  	          t5 = t5 === t6 && t4._microsecond > latest._microsecond;
  	        else
  	          t5 = true;
  	        if (t5)
  	          latest = t4;
  	      }
  	      return latest;
  	    },
  	    $signature: 155
  	  };
  	  A.StylesheetGraph__add_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return _this.$this.importCache.canonicalize$3$baseImporter$baseUrl(0, _this.url, _this.baseImporter, _this.baseUrl);
  	    },
  	    $signature: 128
  	  };
  	  A.StylesheetGraph_addCanonical_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return _this.$this.importCache.importCanonical$3$originalUrl(_this.importer, _this.canonicalUrl, _this.originalUrl);
  	    },
  	    $signature: 86
  	  };
  	  A.StylesheetGraph_reload_closure.prototype = {
  	    call$0() {
  	      return this.$this.importCache.importCanonical$2(this.node.importer, this.canonicalUrl);
  	    },
  	    $signature: 86
  	  };
  	  A.StylesheetGraph__nodeFor_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return _this.$this.importCache.canonicalize$4$baseImporter$baseUrl$forImport(0, _this.url, _this.baseImporter, _this.baseUrl, _this.forImport);
  	    },
  	    $signature: 128
  	  };
  	  A.StylesheetGraph__nodeFor_closure0.prototype = {
  	    call$0() {
  	      var t1 = this._box_0;
  	      return this.$this.importCache.importCanonical$3$originalUrl(t1.importer, t1.canonicalUrl, t1.originalUrl);
  	    },
  	    $signature: 86
  	  };
  	  A.StylesheetNode.prototype = {
  	    StylesheetNode$_$4(_stylesheet, importer, canonicalUrl, allUpstream) {
  	      var t1, t2;
  	      for (t1 = this._upstream.get$values(0).followedBy$1(0, this._upstreamImports.get$values(0)).get$iterator(0); t1.moveNext$0();) {
  	        t2 = t1.get$current(0);
  	        if (t2 != null)
  	          t2._downstream.add$1(0, this);
  	      }
  	    },
  	    _replaceUpstream$2(newUpstream, newUpstreamImports) {
  	      var t3, oldUpstream, newUpstreamSet, _this = this,
  	        t1 = type$.nullable_StylesheetNode,
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(_this._upstream.get$values(0), t1);
  	      t2.addAll$1(0, _this._upstreamImports.get$values(0));
  	      t3 = type$.StylesheetNode;
  	      oldUpstream = A.SetExtension_removeNull(t2, t3);
  	      t1 = A.LinkedHashSet_LinkedHashSet$of(new A.LinkedHashMapValuesIterable(newUpstream, A._instanceType(newUpstream)._eval$1("LinkedHashMapValuesIterable<2>")), t1);
  	      t1.addAll$1(0, new A.LinkedHashMapValuesIterable(newUpstreamImports, A._instanceType(newUpstreamImports)._eval$1("LinkedHashMapValuesIterable<2>")));
  	      newUpstreamSet = A.SetExtension_removeNull(t1, t3);
  	      for (t1 = oldUpstream.difference$1(newUpstreamSet), t1 = t1.get$iterator(t1); t1.moveNext$0();)
  	        t1.get$current(t1)._downstream.remove$1(0, _this);
  	      for (t1 = newUpstreamSet.difference$1(oldUpstream), t1 = t1.get$iterator(t1); t1.moveNext$0();)
  	        t1.get$current(t1)._downstream.add$1(0, _this);
  	      _this._upstream = newUpstream;
  	      _this._upstreamImports = newUpstreamImports;
  	    },
  	    _stylesheet_graph$_remove$0() {
  	      var t1, t2, t3, t4, _i, url, _this = this;
  	      for (t1 = A.LinkedHashSet_LinkedHashSet$of(_this._upstream.get$values(0), type$.nullable_StylesheetNode), t1.addAll$1(0, _this._upstreamImports.get$values(0)), t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, A._instanceType(t1)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        if (t3 == null)
  	          continue;
  	        t3._downstream.remove$1(0, _this);
  	      }
  	      for (t1 = _this._downstream.get$iterator(0); t1.moveNext$0();) {
  	        t2 = t1.get$current(0);
  	        t3 = t2._upstream;
  	        t4 = A._instanceType(t3)._eval$1("LinkedHashMapKeysIterable<1>");
  	        t3 = A.List_List$_of(new A.LinkedHashMapKeysIterable(t3, t4), t4._eval$1("Iterable.E"));
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t3.length; t3.length === t4 || (0, A.throwConcurrentModificationError)(t3), ++_i) {
  	          url = t3[_i];
  	          if (t2._upstream.$index(0, url) === _this) {
  	            t2._upstream.$indexSet(0, url, null);
  	            break;
  	          }
  	        }
  	        t3 = t2._upstreamImports;
  	        t4 = A._instanceType(t3)._eval$1("LinkedHashMapKeysIterable<1>");
  	        t3 = A.List_List$_of(new A.LinkedHashMapKeysIterable(t3, t4), t4._eval$1("Iterable.E"));
  	        t4 = t3.length;
  	        _i = 0;
  	        for (; _i < t3.length; t3.length === t4 || (0, A.throwConcurrentModificationError)(t3), ++_i) {
  	          url = t3[_i];
  	          if (t2._upstreamImports.$index(0, url) === _this) {
  	            t2._upstreamImports.$indexSet(0, url, null);
  	            break;
  	          }
  	        }
  	      }
  	    },
  	    toString$0(_) {
  	      var t1 = this._stylesheet.span;
  	      t1 = A.NullableExtension_andThen(t1.get$sourceUrl(t1), A.path__prettyUri$closure());
  	      return t1 == null ? "<unknown>" : t1;
  	    }
  	  };
  	  A.Syntax.prototype = {
  	    _enumToString$0() {
  	      return "Syntax." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._syntax$_name;
  	    }
  	  };
  	  A.Box.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return this.$ti._is(other) && other._box$_inner === this._box$_inner;
  	    },
  	    get$hashCode(_) {
  	      return A.Primitives_objectHashCode(this._box$_inner);
  	    },
  	    toString$0(_) {
  	      return "<box: " + this._box$_inner.value.toString$0(0) + ">";
  	    }
  	  };
  	  A.ModifiableBox.prototype = {
  	    toString$0(_) {
  	      return "<modifiable box: " + this.value.toString$0(0) + ">";
  	    }
  	  };
  	  A.LazyFileSpan.prototype = {
  	    get$span(_) {
  	      var t1 = this._lazy_file_span$_span;
  	      return t1 == null ? this._lazy_file_span$_span = this._builder.call$0() : t1;
  	    },
  	    compareTo$1(_, other) {
  	      return this.get$span(0).compareTo$1(0, other);
  	    },
  	    get$context(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$context(t1);
  	    },
  	    get$end(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$end(t1);
  	    },
  	    expand$1(_, other) {
  	      return this.get$span(0).expand$1(0, other);
  	    },
  	    get$file(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$file(t1);
  	    },
  	    highlight$1$color(color) {
  	      return this.get$span(0).highlight$1$color(color);
  	    },
  	    get$length(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$length(t1);
  	    },
  	    message$2$color(_, message, color) {
  	      return this.get$span(0).message$2$color(0, message, color);
  	    },
  	    message$1(_, message) {
  	      return this.message$2$color(0, message, null);
  	    },
  	    get$sourceUrl(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    get$start(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$start(t1);
  	    },
  	    get$text() {
  	      return this.get$span(0).get$text();
  	    },
  	    $isComparable: 1,
  	    $isFileSpan: 1,
  	    $isSourceSpan: 1,
  	    $isSourceSpanWithContext: 1
  	  };
  	  A.LimitedMapView.prototype = {
  	    get$keys(_) {
  	      return this._limited_map_view$_keys;
  	    },
  	    get$length(_) {
  	      return this._limited_map_view$_keys._collection$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._limited_map_view$_keys._collection$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._limited_map_view$_keys._collection$_length !== 0;
  	    },
  	    $index(_, key) {
  	      return this._limited_map_view$_keys.contains$1(0, key) ? this._limited_map_view$_map.$index(0, key) : null;
  	    },
  	    containsKey$1(key) {
  	      return this._limited_map_view$_keys.contains$1(0, key);
  	    },
  	    remove$1(_, key) {
  	      return this._limited_map_view$_keys.contains$1(0, key) ? this._limited_map_view$_map.remove$1(0, key) : null;
  	    }
  	  };
  	  A.MapExtensions_get_pairs_closure.prototype = {
  	    call$1(e) {
  	      return new A._Record_2(e.key, e.value);
  	    },
  	    $signature() {
  	      return this.K._eval$1("@<0>")._bind$1(this.V)._eval$1("+(1,2)(MapEntry<1,2>)");
  	    }
  	  };
  	  A.MergedMapView.prototype = {
  	    get$keys(_) {
  	      var t1 = this._mapsByKey;
  	      return new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>"));
  	    },
  	    get$length(_) {
  	      return this._mapsByKey.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._mapsByKey.__js_helper$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._mapsByKey.__js_helper$_length !== 0;
  	    },
  	    MergedMapView$1(maps, $K, $V) {
  	      var t1, t2, _i, map, t3, t4;
  	      for (t1 = maps.length, t2 = this._mapsByKey, _i = 0; _i < maps.length; maps.length === t1 || (0, A.throwConcurrentModificationError)(maps), ++_i) {
  	        map = maps[_i];
  	        if (map instanceof A.MergedMapView)
  	          for (t3 = map._mapsByKey, t3 = new A.LinkedHashMapValueIterator(t3, t3._modifications, t3._first); t3.moveNext$0();) {
  	            t4 = t3.__js_helper$_current;
  	            A.setAll(t2, t4.get$keys(t4), t4);
  	          }
  	        else
  	          A.setAll(t2, map.get$keys(map), map);
  	      }
  	    },
  	    $index(_, key) {
  	      var t1 = this._mapsByKey.$index(0, this.$ti._precomputed1._as(key));
  	      return t1 == null ? null : t1.$index(0, key);
  	    },
  	    $indexSet(_, key, value) {
  	      var _0_0 = this._mapsByKey.$index(0, key);
  	      if (_0_0 != null)
  	        _0_0.$indexSet(0, key, value);
  	      else
  	        throw A.wrapException(A.UnsupportedError$(string$.New_en));
  	    },
  	    remove$1(_, key) {
  	      throw A.wrapException(A.UnsupportedError$(string$.Entrie));
  	    },
  	    containsKey$1(key) {
  	      return this._mapsByKey.containsKey$1(key);
  	    }
  	  };
  	  A.MultiDirWatcher.prototype = {
  	    watch$1(_, directory) {
  	      var t1, t2, t3, t4, isParentOfExistingDir, _i, t5, _0_1, t6, future, stream, completer;
  	      for (t1 = this._watchers, t2 = A.MapExtensions_get_pairs(t1, type$.nullable_String, type$.Stream_WatchEvent).toList$0(0), t3 = t2.length, t1 = t1._map, t4 = this._group, isParentOfExistingDir = false, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t5 = t2[_i];
  	        _0_1 = t5._0;
  	        _0_1.toString;
  	        if (!isParentOfExistingDir) {
  	          t6 = $.$get$context();
  	          t6 = t6._isWithinOrEquals$2(_0_1, directory) === B._PathRelation_equal || t6._isWithinOrEquals$2(_0_1, directory) === B._PathRelation_within;
  	        } else
  	          t6 = false;
  	        if (t6) {
  	          t1 = new A._Future($.Zone__current, type$._Future_void);
  	          t1._asyncComplete$1(null);
  	          return t1;
  	        }
  	        if ($.$get$context()._isWithinOrEquals$2(directory, _0_1) === B._PathRelation_within) {
  	          t1.remove$1(0, _0_1);
  	          t4.remove$1(0, t5._1);
  	          isParentOfExistingDir = true;
  	        }
  	      }
  	      future = A.watchDir(directory, this._poll);
  	      stream = new A._CompleterStream(type$._CompleterStream_WatchEvent);
  	      completer = new A.StreamCompleter(stream, type$.StreamCompleter_WatchEvent);
  	      future.then$1$2$onError(0, completer.get$setSourceStream(), completer.get$setError(), type$.void);
  	      t1.$indexSet(0, directory, stream);
  	      t4.add$1(0, stream);
  	      return future;
  	    }
  	  };
  	  A.MultiSpan.prototype = {
  	    get$start(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$start(t1);
  	    },
  	    get$end(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$end(t1);
  	    },
  	    get$text() {
  	      return this._multi_span$_primary.get$text();
  	    },
  	    get$context(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$context(t1);
  	    },
  	    get$file(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$file(t1);
  	    },
  	    get$length(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$length(t1);
  	    },
  	    get$sourceUrl(_) {
  	      var t1 = this._multi_span$_primary;
  	      return t1.get$sourceUrl(t1);
  	    },
  	    compareTo$1(_, other) {
  	      return this._multi_span$_primary.compareTo$1(0, other);
  	    },
  	    toString$0(_) {
  	      return this._multi_span$_primary.toString$0(0);
  	    },
  	    expand$1(_, other) {
  	      return new A.MultiSpan(this._multi_span$_primary.expand$1(0, other), this.primaryLabel, this.secondarySpans);
  	    },
  	    highlight$1$color(color) {
  	      return A.Highlighter$multiple(this._multi_span$_primary, this.primaryLabel, this.secondarySpans, color === true, null, null).highlight$0();
  	    },
  	    message$2$color(_, message, color) {
  	      var t1 = J.$eq$(color, true) || typeof color == "string",
  	        t2 = typeof color == "string" ? color : null;
  	      return A.SourceSpanExtension_messageMultiple(this._multi_span$_primary, message, this.primaryLabel, this.secondarySpans, t1, t2, null);
  	    },
  	    message$1(_, message) {
  	      return this.message$2$color(0, message, null);
  	    },
  	    $isComparable: 1,
  	    $isFileSpan: 1,
  	    $isSourceSpan: 1,
  	    $isSourceSpanWithContext: 1
  	  };
  	  A.NoSourceMapBuffer.prototype = {
  	    get$length(_) {
  	      return this._no_source_map_buffer$_buffer._contents.length;
  	    },
  	    forSpan$1$2(span, callback) {
  	      return callback.call$0();
  	    },
  	    forSpan$2(span, callback) {
  	      return this.forSpan$1$2(span, callback, type$.dynamic);
  	    },
  	    write$1(_, object) {
  	      var t1 = this._no_source_map_buffer$_buffer,
  	        t2 = A.S(object);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = this._no_source_map_buffer$_buffer,
  	        t2 = A.Primitives_stringFromCharCode(charCode);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    toString$0(_) {
  	      var t1 = this._no_source_map_buffer$_buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    buildSourceMap$1$prefix(prefix) {
  	      return A.throwExpression(A.UnsupportedError$(string$.NoSour));
  	    }
  	  };
  	  A.PrefixedMapView.prototype = {
  	    get$keys(_) {
  	      return new A._PrefixedKeys(this);
  	    },
  	    get$length(_) {
  	      var t1 = this._prefixed_map_view$_map;
  	      return t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._prefixed_map_view$_map;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._prefixed_map_view$_map;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    $index(_, key) {
  	      return typeof key == "string" && B.JSString_methods.startsWith$1(key, this._prefix) ? this._prefixed_map_view$_map.$index(0, B.JSString_methods.substring$1(key, this._prefix.length)) : null;
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && B.JSString_methods.startsWith$1(key, this._prefix) && this._prefixed_map_view$_map.containsKey$1(B.JSString_methods.substring$1(key, this._prefix.length));
  	    }
  	  };
  	  A._PrefixedKeys.prototype = {
  	    get$length(_) {
  	      var t1 = this._view._prefixed_map_view$_map;
  	      return t1.get$length(t1);
  	    },
  	    get$iterator(_) {
  	      var t1 = this._view._prefixed_map_view$_map;
  	      t1 = t1.get$keys(t1);
  	      t1 = t1.map$1$1(t1, new A._PrefixedKeys_iterator_closure(this), type$.String);
  	      return t1.get$iterator(t1);
  	    },
  	    contains$1(_, key) {
  	      return this._view.containsKey$1(key);
  	    }
  	  };
  	  A._PrefixedKeys_iterator_closure.prototype = {
  	    call$1(key) {
  	      return this.$this._view._prefix + key;
  	    },
  	    $signature: 6
  	  };
  	  A.PublicMemberMapView.prototype = {
  	    get$keys(_) {
  	      var t1 = this._public_member_map_view$_inner;
  	      t1 = t1.get$keys(t1);
  	      return t1.where$1(t1, A.utils__isPublic$closure());
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && A.isPublic(key) && this._public_member_map_view$_inner.containsKey$1(key);
  	    },
  	    $index(_, key) {
  	      if (typeof key == "string" && A.isPublic(key))
  	        return this._public_member_map_view$_inner.$index(0, key);
  	      return null;
  	    }
  	  };
  	  A.SourceMapBuffer.prototype = {
  	    get$_targetLocation() {
  	      var t1 = this._source_map_buffer$_buffer._contents,
  	        t2 = this._line;
  	      return A.SourceLocation$(t1.length, this._column, t2, null);
  	    },
  	    get$length(_) {
  	      return this._source_map_buffer$_buffer._contents.length;
  	    },
  	    forSpan$1$2(span, callback) {
  	      var t1, _this = this,
  	        wasInSpan = _this._inSpan;
  	      _this._inSpan = true;
  	      _this._addEntry$2(span.get$start(span), _this.get$_targetLocation());
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        _this._inSpan = wasInSpan;
  	      }
  	    },
  	    forSpan$2(span, callback) {
  	      return this.forSpan$1$2(span, callback, type$.dynamic);
  	    },
  	    _addEntry$2(source, target) {
  	      var entry, t2,
  	        t1 = this._entries;
  	      if (t1.length !== 0) {
  	        entry = B.JSArray_methods.get$last(t1);
  	        t2 = entry.source;
  	        if (t2.file.getLine$1(t2.offset) === source.file.getLine$1(source.offset) && entry.target.line === target.line)
  	          return;
  	        if (entry.target.offset === target.offset)
  	          return;
  	      }
  	      t1.push(new A.Entry(source, target, null));
  	    },
  	    write$1(_, object) {
  	      var t1, i,
  	        string = J.toString$0$(object);
  	      this._source_map_buffer$_buffer._contents += string;
  	      for (t1 = string.length, i = 0; i < t1; ++i)
  	        if (string.charCodeAt(i) === 10)
  	          this._source_map_buffer$_writeLine$0();
  	        else
  	          ++this._column;
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = this._source_map_buffer$_buffer,
  	        t2 = A.Primitives_stringFromCharCode(charCode);
  	      t1._contents += t2;
  	      if (charCode === 10)
  	        this._source_map_buffer$_writeLine$0();
  	      else
  	        ++this._column;
  	    },
  	    _source_map_buffer$_writeLine$0() {
  	      var _this = this,
  	        t1 = _this._entries;
  	      if (B.JSArray_methods.get$last(t1).target.line === _this._line && B.JSArray_methods.get$last(t1).target.column === _this._column)
  	        t1.pop();
  	      ++_this._line;
  	      _this._column = 0;
  	      if (_this._inSpan)
  	        t1.push(new A.Entry(B.JSArray_methods.get$last(t1).source, _this.get$_targetLocation(), null));
  	    },
  	    toString$0(_) {
  	      var t1 = this._source_map_buffer$_buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    buildSourceMap$1$prefix(prefix) {
  	      var i, t2, prefixColumn, _box_0 = {},
  	        t1 = prefix.length;
  	      if (t1 === 0)
  	        return A.SingleMapping_SingleMapping$fromEntries(this._entries);
  	      _box_0.prefixColumn = _box_0.prefixLines = 0;
  	      for (i = 0, t2 = 0; i < t1; ++i)
  	        if (prefix.charCodeAt(i) === 10) {
  	          ++_box_0.prefixLines;
  	          _box_0.prefixColumn = 0;
  	          t2 = 0;
  	        } else {
  	          prefixColumn = t2 + 1;
  	          _box_0.prefixColumn = prefixColumn;
  	          t2 = prefixColumn;
  	        }
  	      t2 = this._entries;
  	      return A.SingleMapping_SingleMapping$fromEntries(new A.MappedListIterable(t2, new A.SourceMapBuffer_buildSourceMap_closure(_box_0, t1), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Entry>")));
  	    }
  	  };
  	  A.SourceMapBuffer_buildSourceMap_closure.prototype = {
  	    call$1(entry) {
  	      var t1 = entry.target,
  	        t2 = t1.line,
  	        t3 = this._box_0,
  	        t4 = t3.prefixLines;
  	      t3 = t2 === 0 ? t3.prefixColumn : 0;
  	      return new A.Entry(entry.source, A.SourceLocation$(t1.offset + this.prefixLength, t1.column + t3, t2 + t4, null), entry.identifierName);
  	    },
  	    $signature: 164
  	  };
  	  A.UnprefixedMapView.prototype = {
  	    get$keys(_) {
  	      return new A._UnprefixedKeys(this);
  	    },
  	    $index(_, key) {
  	      return typeof key == "string" ? this._unprefixed_map_view$_map.$index(0, this._unprefixed_map_view$_prefix + key) : null;
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && this._unprefixed_map_view$_map.containsKey$1(this._unprefixed_map_view$_prefix + key);
  	    },
  	    remove$1(_, key) {
  	      return typeof key == "string" ? this._unprefixed_map_view$_map.remove$1(0, this._unprefixed_map_view$_prefix + key) : null;
  	    }
  	  };
  	  A._UnprefixedKeys.prototype = {
  	    get$iterator(_) {
  	      var t1 = this._unprefixed_map_view$_view._unprefixed_map_view$_map;
  	      t1 = t1.get$keys(t1);
  	      t1 = t1.where$1(t1, new A._UnprefixedKeys_iterator_closure(this)).map$1$1(0, new A._UnprefixedKeys_iterator_closure0(this), type$.String);
  	      return t1.get$iterator(t1);
  	    },
  	    contains$1(_, key) {
  	      return this._unprefixed_map_view$_view.containsKey$1(key);
  	    }
  	  };
  	  A._UnprefixedKeys_iterator_closure.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, this.$this._unprefixed_map_view$_view._unprefixed_map_view$_prefix);
  	    },
  	    $signature: 4
  	  };
  	  A._UnprefixedKeys_iterator_closure0.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.substring$1(key, this.$this._unprefixed_map_view$_view._unprefixed_map_view$_prefix.length);
  	    },
  	    $signature: 6
  	  };
  	  A.indent_closure.prototype = {
  	    call$1(line) {
  	      return B.JSString_methods.$mul(" ", this.indentation) + line;
  	    },
  	    $signature: 6
  	  };
  	  A.flattenVertically_closure.prototype = {
  	    call$1(inner) {
  	      return A.QueueList_QueueList$from(inner, this.T);
  	    },
  	    $signature() {
  	      return this.T._eval$1("QueueList<0>(Iterable<0>)");
  	    }
  	  };
  	  A.flattenVertically_closure0.prototype = {
  	    call$1(queue) {
  	      this.result.push(queue.removeFirst$0());
  	      return queue.get$length(0) === 0;
  	    },
  	    $signature() {
  	      return this.T._eval$1("bool(QueueList<0>)");
  	    }
  	  };
  	  A.longestCommonSubsequence_backtrack.prototype = {
  	    call$2(i, j) {
  	      var selection, t1, _this = this;
  	      if (i === -1 || j === -1)
  	        return A._setArrayType([], _this.T._eval$1("JSArray<0>"));
  	      selection = _this.selections[i][j];
  	      if (selection != null) {
  	        t1 = _this.call$2(i - 1, j - 1);
  	        J.add$1$ax(t1, selection);
  	        return t1;
  	      }
  	      t1 = _this.lengths;
  	      return t1[i + 1][j] > t1[i][j + 1] ? _this.call$2(i, j - 1) : _this.call$2(i - 1, j);
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<0>(int,int)");
  	    }
  	  };
  	  A.mapAddAll2_closure.prototype = {
  	    call$2(key, inner) {
  	      var t1 = this.destination,
  	        _0_0 = t1.$index(0, key);
  	      if (_0_0 != null)
  	        _0_0.addAll$1(0, inner);
  	      else
  	        t1.$indexSet(0, key, inner);
  	    },
  	    $signature() {
  	      return this.K1._eval$1("@<0>")._bind$1(this.K2)._bind$1(this.V)._eval$1("~(1,Map<2,3>)");
  	    }
  	  };
  	  A.Value.prototype = {
  	    get$isTruthy() {
  	      return true;
  	    },
  	    get$separator(_) {
  	      return B.ListSeparator_undecided_null_3_undecided;
  	    },
  	    get$hasBrackets() {
  	      return false;
  	    },
  	    get$asList() {
  	      return A._setArrayType([this], type$.JSArray_Value);
  	    },
  	    get$lengthAsList() {
  	      return 1;
  	    },
  	    get$isBlank() {
  	      return false;
  	    },
  	    get$isSpecialNumber() {
  	      return false;
  	    },
  	    get$isSpecialVariable() {
  	      return false;
  	    },
  	    get$realNull() {
  	      return this;
  	    },
  	    sassIndexToListIndex$2(sassIndex, $name) {
  	      var t1, index,
  	        indexValue = sassIndex.assertNumber$1($name);
  	      if (indexValue.get$hasUnits()) {
  	        t1 = indexValue.get$unitString();
  	        A.warnForDeprecation("$" + $name + ": Passing a number with unit " + t1 + string$.x20is_de + indexValue.unitSuggestion$1($name) + string$.x0a_Morex3af, B.Deprecation_7TE);
  	      }
  	      index = indexValue.assertInt$1($name);
  	      if (index === 0)
  	        throw A.wrapException(A.SassScriptException$("List index may not be 0.", $name));
  	      if (Math.abs(index) > this.get$lengthAsList())
  	        throw A.wrapException(A.SassScriptException$("Invalid index " + sassIndex.toString$0(0) + " for a list with " + this.get$lengthAsList() + " elements.", $name));
  	      return index < 0 ? this.get$lengthAsList() + index : index - 1;
  	    },
  	    assertCalculation$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a calculation.", $name));
  	    },
  	    assertColor$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a color.", $name));
  	    },
  	    assertFunction$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a function reference.", $name));
  	    },
  	    assertMixin$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a mixin reference.", $name));
  	    },
  	    assertMap$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a map.", $name));
  	    },
  	    tryMap$0() {
  	      return null;
  	    },
  	    assertNumber$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a number.", $name));
  	    },
  	    assertNumber$0() {
  	      return this.assertNumber$1(null);
  	    },
  	    assertString$1($name) {
  	      return A.throwExpression(A.SassScriptException$(this.toString$0(0) + " is not a string.", $name));
  	    },
  	    assertCommonListStyle$2$allowSlash($name, allowSlash) {
  	      var invalidSeparator, buffer, t1, _this = this,
  	        _s8_ = "Expected",
  	        _s23_ = "Expected an unbracketed";
  	      if (_this.get$separator(_this) !== B.ListSeparator_z0K)
  	        invalidSeparator = !allowSlash && _this.get$separator(_this) === B.ListSeparator_Lul;
  	      else
  	        invalidSeparator = true;
  	      if (!invalidSeparator && !_this.get$hasBrackets())
  	        return _this.get$asList();
  	      buffer = new A.StringBuffer(_s8_);
  	      if (_this.get$hasBrackets()) {
  	        buffer._contents = _s23_;
  	        t1 = _s23_;
  	      } else
  	        t1 = _s8_;
  	      if (invalidSeparator) {
  	        t1 += _this.get$hasBrackets() ? "," : " a";
  	        buffer._contents = t1;
  	        t1 = buffer._contents = t1 + " space-";
  	        t1 = buffer._contents = (allowSlash ? buffer._contents = t1 + " or slash-" : t1) + "separated";
  	      }
  	      buffer._contents = t1 + (" list, was " + _this.toString$0(0));
  	      throw A.wrapException(A.SassScriptException$(buffer.toString$0(0), $name));
  	    },
  	    _selectorString$1($name) {
  	      var _0_0 = this._selectorStringOrNull$0();
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$(this.toString$0(0) + string$.x20is_noav, $name));
  	    },
  	    _selectorStringOrNull$0() {
  	      var t1, t2, result, _1_0, _i, complex, string, compound, _this = this, _null = null;
  	      if (_this instanceof A.SassString)
  	        return _this._string$_text;
  	      if (!(_this instanceof A.SassList))
  	        return _null;
  	      t1 = _this._list$_contents;
  	      t2 = t1.length;
  	      if (t2 === 0)
  	        return _null;
  	      result = A._setArrayType([], type$.JSArray_String);
  	      $label0$1: {
  	        _1_0 = _this._separator;
  	        if (B.ListSeparator_z0K === _1_0) {
  	          for (_i = 0; _i < t2; ++_i) {
  	            complex = t1[_i];
  	            if (complex instanceof A.SassString) {
  	              result.push(complex._string$_text);
  	              continue;
  	            }
  	            if (complex instanceof A.SassList && B.ListSeparator_SrV === complex._separator) {
  	              string = complex._selectorStringOrNull$0();
  	              if (string == null)
  	                return _null;
  	              result.push(string);
  	              continue;
  	            }
  	            return _null;
  	          }
  	          break $label0$1;
  	        }
  	        if (B.ListSeparator_Lul === _1_0)
  	          return _null;
  	        for (_i = 0; _i < t2; ++_i) {
  	          compound = t1[_i];
  	          if (!(compound instanceof A.SassString))
  	            return _null;
  	          result.push(compound._string$_text);
  	        }
  	      }
  	      return B.JSArray_methods.join$1(result, _1_0 === B.ListSeparator_z0K ? ", " : " ");
  	    },
  	    withListContents$2$separator(contents, separator) {
  	      var t1 = separator == null ? this.get$separator(this) : separator,
  	        t2 = this.get$hasBrackets();
  	      return A.SassList$(contents, t1, t2);
  	    },
  	    withListContents$1(contents) {
  	      return this.withListContents$2$separator(contents, null);
  	    },
  	    greaterThan$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " > " + other.toString$0(0) + '".', null));
  	    },
  	    greaterThanOrEquals$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " >= " + other.toString$0(0) + '".', null));
  	    },
  	    lessThan$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " < " + other.toString$0(0) + '".', null));
  	    },
  	    lessThanOrEquals$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " <= " + other.toString$0(0) + '".', null));
  	    },
  	    times$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " * " + other.toString$0(0) + '".', null));
  	    },
  	    modulo$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " % " + other.toString$0(0) + '".', null));
  	    },
  	    plus$1(other) {
  	      var t1;
  	      $label0$0: {
  	        if (other instanceof A.SassString) {
  	          t1 = new A.SassString(A.serializeValue(this, false, true) + other._string$_text, other._hasQuotes);
  	          break $label0$0;
  	        }
  	        if (other instanceof A.SassCalculation)
  	          A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	        t1 = new A.SassString(A.serializeValue(this, false, true) + A.serializeValue(other, false, true), false);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    minus$1(other) {
  	      return other instanceof A.SassCalculation ? A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null)) : new A.SassString(A.serializeValue(this, false, true) + "-" + A.serializeValue(other, false, true), false);
  	    },
  	    dividedBy$1(other) {
  	      return new A.SassString(A.serializeValue(this, false, true) + "/" + A.serializeValue(other, false, true), false);
  	    },
  	    unaryPlus$0() {
  	      return new A.SassString("+" + A.serializeValue(this, false, true), false);
  	    },
  	    unaryMinus$0() {
  	      return new A.SassString("-" + A.serializeValue(this, false, true), false);
  	    },
  	    unaryNot$0() {
  	      return B.SassBoolean_false;
  	    },
  	    withoutSlash$0() {
  	      return this;
  	    },
  	    toCssString$1$quote(quote) {
  	      return A.serializeValue(this, false, quote);
  	    },
  	    toCssString$0() {
  	      return this.toCssString$1$quote(true);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue(this, true, true);
  	    }
  	  };
  	  A.SassArgumentList.prototype = {};
  	  A.SassBoolean.prototype = {
  	    get$isTruthy() {
  	      return this.value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor._serialize$_buffer.write$1(0, String(this.value));
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unaryNot$0() {
  	      return this.value ? B.SassBoolean_false : B.SassBoolean_true;
  	    }
  	  };
  	  A.SassCalculation.prototype = {
  	    get$isSpecialNumber() {
  	      return true;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCalculation$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertCalculation$1($name) {
  	      return this;
  	    },
  	    plus$1(other) {
  	      if (other instanceof A.SassString)
  	        return this.super$Value$plus(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    unaryPlus$0() {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "+' + this.toString$0(0) + '".', null));
  	    },
  	    unaryMinus$0() {
  	      return A.throwExpression(A.SassScriptException$('Undefined operation "-' + this.toString$0(0) + '".', null));
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassCalculation && this.name === other.name && B.C_ListEquality.equals$2(0, this.$arguments, other.$arguments);
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name) ^ B.C_ListEquality0.hash$1(this.$arguments);
  	    }
  	  };
  	  A.SassCalculation__verifyLength_closure.prototype = {
  	    call$1(arg) {
  	      return arg instanceof A.SassString;
  	    },
  	    $signature: 73
  	  };
  	  A.CalculationOperation.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CalculationOperation && this._operator === other._operator && J.$eq$(this._left, other._left) && J.$eq$(this._right, other._right);
  	    },
  	    get$hashCode(_) {
  	      return (A.Primitives_objectHashCode(this._operator) ^ J.get$hashCode$(this._left) ^ J.get$hashCode$(this._right)) >>> 0;
  	    },
  	    toString$0(_) {
  	      var parenthesized = A.serializeValue(new A.SassCalculation("", A._setArrayType([this], type$.JSArray_Object)), true, true);
  	      return B.JSString_methods.substring$2(parenthesized, 1, parenthesized.length - 1);
  	    }
  	  };
  	  A.CalculationOperator.prototype = {
  	    _enumToString$0() {
  	      return "CalculationOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.SassColor.prototype = {
  	    get$channels() {
  	      var t2, t3,
  	        t1 = this.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = this.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = this.channel2OrNull;
  	      return A.List_List$unmodifiable([t1, t2, t3 == null ? 0 : t3], type$.double);
  	    },
  	    get$channelsOrNull() {
  	      return A.List_List$unmodifiable([this.channel0OrNull, this.channel1OrNull, this.channel2OrNull], type$.nullable_double);
  	    },
  	    get$isChannel0Powerless() {
  	      var t1, t2, _this = this,
  	        _0_0 = _this._space;
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ2 === _0_0) {
  	          t1 = _this.channel1OrNull;
  	          t1 = A.fuzzyEquals(t1 == null ? 0 : t1, 0);
  	          break $label0$0;
  	        }
  	        if (B.HwbColorSpace_guQ === _0_0) {
  	          t1 = _this.channel1OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          t2 = _this.channel2OrNull;
  	          t1 += t2 == null ? 0 : t2;
  	          t1 = t1 > 100 || A.fuzzyEquals(t1, 100);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isChannel2Powerless() {
  	      var t1,
  	        _0_0 = this._space;
  	      $label0$0: {
  	        if (B.LchColorSpace_Bpv === _0_0 || B.OklchColorSpace_9Gj === _0_0) {
  	          t1 = this.channel1OrNull;
  	          t1 = A.fuzzyEquals(t1 == null ? 0 : t1, 0);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isInGamut() {
  	      var t2, t3, _this = this,
  	        t1 = _this._space;
  	      if (!t1.get$isBoundedInternal())
  	        return true;
  	      t2 = _this.channel0OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t1 = t1._channels;
  	      t3 = false;
  	      if (_this._isChannelInGamut$2(t2, t1[0])) {
  	        t2 = _this.channel1OrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        if (_this._isChannelInGamut$2(t2, t1[1])) {
  	          t2 = _this.channel2OrNull;
  	          if (t2 == null)
  	            t2 = 0;
  	          t1 = _this._isChannelInGamut$2(t2, t1[2]);
  	        } else
  	          t1 = t3;
  	      } else
  	        t1 = t3;
  	      return t1;
  	    },
  	    _isChannelInGamut$2(value, channel) {
  	      var min, max, t1;
  	      $label0$0: {
  	        if (channel instanceof A.LinearChannel) {
  	          min = channel.min;
  	          max = channel.max;
  	          if (value < max || A.fuzzyEquals(value, max))
  	            t1 = value > min || A.fuzzyEquals(value, min);
  	          else
  	            t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitColor$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertColor$1($name) {
  	      return this;
  	    },
  	    assertLegacy$1($name) {
  	      if (this._space.get$isLegacyInternal())
  	        return;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + string$.x20to_be, $name));
  	    },
  	    channel$1(_, channel) {
  	      var t1, _this = this,
  	        channels = _this._space._channels;
  	      if (channel === channels[0].name) {
  	        t1 = _this.channel0OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === channels[1].name) {
  	        t1 = _this.channel1OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === channels[2].name) {
  	        t1 = _this.channel2OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === "alpha") {
  	        t1 = _this.alphaOrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      throw A.wrapException(A.SassScriptException$("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', null));
  	    },
  	    isChannelMissing$3$channelName$colorName(channel, channelName, colorName) {
  	      var _this = this,
  	        channels = _this._space._channels;
  	      if (channel === channels[0].name)
  	        return _this.channel0OrNull == null;
  	      if (channel === channels[1].name)
  	        return _this.channel1OrNull == null;
  	      if (channel === channels[2].name)
  	        return _this.channel2OrNull == null;
  	      if (channel === "alpha")
  	        return _this.alphaOrNull == null;
  	      throw A.wrapException(A.SassScriptException$("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', channelName));
  	    },
  	    isChannelMissing$1(channel) {
  	      return this.isChannelMissing$3$channelName$colorName(channel, null, null);
  	    },
  	    isChannelPowerless$3$channelName$colorName(channel, channelName, colorName) {
  	      var _this = this,
  	        channels = _this._space._channels;
  	      if (channel === channels[0].name)
  	        return _this.get$isChannel0Powerless();
  	      if (channel === channels[1].name)
  	        return false;
  	      if (channel === channels[2].name)
  	        return _this.get$isChannel2Powerless();
  	      if (channel === "alpha")
  	        return false;
  	      throw A.wrapException(A.SassScriptException$("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', channelName));
  	    },
  	    _legacyChannel$2(space, channel) {
  	      if (!this._space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$("color." + channel + string$.x28__is_oc, null));
  	      return this.toSpace$1(space).channel$1(0, channel);
  	    },
  	    toSpace$2$legacyMissing(space, legacyMissing) {
  	      var t2, converted, t3, t4, _this = this,
  	        t1 = _this._space;
  	      if (t1 === space)
  	        return _this;
  	      t2 = _this.alphaOrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      converted = t1.convert$5(space, _this.channel0OrNull, _this.channel1OrNull, _this.channel2OrNull, t2);
  	      t1 = false;
  	      if (!legacyMissing)
  	        if (converted._space.get$isLegacyInternal())
  	          t1 = converted.channel0OrNull == null || converted.channel1OrNull == null || converted.channel2OrNull == null || converted.alphaOrNull == null;
  	      if (t1) {
  	        t1 = converted.channel0OrNull;
  	        if (t1 == null)
  	          t1 = 0;
  	        t2 = converted.channel1OrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        t3 = converted.channel2OrNull;
  	        if (t3 == null)
  	          t3 = 0;
  	        t4 = converted.alphaOrNull;
  	        if (t4 == null)
  	          t4 = 0;
  	        t4 = A.SassColor_SassColor$forSpaceInternal(converted._space, t1, t2, t3, t4);
  	        t1 = t4;
  	      } else
  	        t1 = converted;
  	      return t1;
  	    },
  	    toSpace$1(space) {
  	      return this.toSpace$2$legacyMissing(space, true);
  	    },
  	    changeHsl$3$hue$lightness$saturation(hue, lightness, saturation) {
  	      var t2, t3, t4, t5, _this = this, _null = null,
  	        t1 = _this._space;
  	      if (!t1.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$(string$.color_c, _null));
  	      t2 = hue == null ? _null : hue;
  	      if (t2 == null)
  	        t2 = _this._legacyChannel$2(B.HslColorSpace_JQ2, "hue");
  	      t3 = saturation == null ? _null : saturation;
  	      if (t3 == null)
  	        t3 = _this._legacyChannel$2(B.HslColorSpace_JQ2, "saturation");
  	      t4 = lightness == null ? _null : lightness;
  	      if (t4 == null)
  	        t4 = _this._legacyChannel$2(B.HslColorSpace_JQ2, "lightness");
  	      t5 = _this.alphaOrNull;
  	      if (t5 == null)
  	        t5 = 0;
  	      return A.SassColor_SassColor$hsl(t2, t3, t4, t5).toSpace$1(t1);
  	    },
  	    changeHsl$1$saturation(saturation) {
  	      return this.changeHsl$3$hue$lightness$saturation(null, null, saturation);
  	    },
  	    changeHsl$1$lightness(lightness) {
  	      return this.changeHsl$3$hue$lightness$saturation(null, lightness, null);
  	    },
  	    changeHsl$1$hue(hue) {
  	      return this.changeHsl$3$hue$lightness$saturation(hue, null, null);
  	    },
  	    changeAlpha$1(alpha) {
  	      var t2, t3, _this = this,
  	        t1 = _this.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = _this.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = _this.channel2OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      return A.SassColor_SassColor$forSpaceInternal(_this._space, t1, t2, t3, alpha);
  	    },
  	    interpolate$4$legacyMissing$weight(other, method, legacyMissing, weight) {
  	      var t1, color1, color2, missing1_0, missing1_1, missing1_2, missing2_0, missing2_1, missing2_2, channel1_0, channel1_1, channel1_2, channel2_0, channel2_1, channel2_2, alpha1, t2, t3, alpha10, alpha2, alpha20, thisMultiplier, t4, t5, otherMultiplier, mixedAlpha, mixed0, mixed1, mixed2, _this = this, _null = null;
  	      if (A.fuzzyEquals(weight, 0))
  	        return other;
  	      if (A.fuzzyEquals(weight, 1))
  	        return _this;
  	      t1 = method.space;
  	      color1 = _this.toSpace$1(t1);
  	      color2 = other.toSpace$1(t1);
  	      if (weight < 0 || weight > 1)
  	        throw A.wrapException(A.RangeError$range(weight, 0, 1, "weight", _null));
  	      missing1_0 = _this._isAnalogousChannelMissing$3(_this, color1, 0);
  	      missing1_1 = _this._isAnalogousChannelMissing$3(_this, color1, 1);
  	      missing1_2 = _this._isAnalogousChannelMissing$3(_this, color1, 2);
  	      missing2_0 = _this._isAnalogousChannelMissing$3(other, color2, 0);
  	      missing2_1 = _this._isAnalogousChannelMissing$3(other, color2, 1);
  	      missing2_2 = _this._isAnalogousChannelMissing$3(other, color2, 2);
  	      channel1_0 = (missing1_0 ? color2 : color1).channel0OrNull;
  	      if (channel1_0 == null)
  	        channel1_0 = 0;
  	      channel1_1 = (missing1_1 ? color2 : color1).channel1OrNull;
  	      if (channel1_1 == null)
  	        channel1_1 = 0;
  	      channel1_2 = (missing1_2 ? color2 : color1).channel2OrNull;
  	      if (channel1_2 == null)
  	        channel1_2 = 0;
  	      channel2_0 = (missing2_0 ? color1 : color2).channel0OrNull;
  	      if (channel2_0 == null)
  	        channel2_0 = 0;
  	      channel2_1 = (missing2_1 ? color1 : color2).channel1OrNull;
  	      if (channel2_1 == null)
  	        channel2_1 = 0;
  	      channel2_2 = (missing2_2 ? color1 : color2).channel2OrNull;
  	      if (channel2_2 == null)
  	        channel2_2 = 0;
  	      alpha1 = _this.alphaOrNull;
  	      t2 = alpha1 == null;
  	      if (t2) {
  	        t3 = other.alphaOrNull;
  	        alpha10 = t3 == null ? 0 : t3;
  	      } else
  	        alpha10 = alpha1;
  	      alpha2 = other.alphaOrNull;
  	      t3 = alpha2 == null;
  	      if (t3)
  	        alpha20 = t2 ? 0 : alpha1;
  	      else
  	        alpha20 = alpha2;
  	      thisMultiplier = (t2 ? 1 : alpha1) * weight;
  	      t4 = t3 ? 1 : alpha2;
  	      t5 = 1 - weight;
  	      otherMultiplier = t4 * t5;
  	      mixedAlpha = t2 && t3 ? _null : alpha10 * weight + alpha20 * t5;
  	      if (missing1_0 && missing2_0)
  	        mixed0 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed0 = (channel1_0 * thisMultiplier + channel2_0 * otherMultiplier) / t2;
  	      }
  	      if (missing1_1 && missing2_1)
  	        mixed1 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed1 = (channel1_1 * thisMultiplier + channel2_1 * otherMultiplier) / t2;
  	      }
  	      if (missing1_2 && missing2_2)
  	        mixed2 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed2 = (channel1_2 * thisMultiplier + channel2_2 * otherMultiplier) / t2;
  	      }
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ2 === t1 || B.HwbColorSpace_guQ === t1) {
  	          if (missing1_0 && missing2_0)
  	            t2 = _null;
  	          else {
  	            t2 = method.hue;
  	            t2.toString;
  	            t2 = _this._interpolateHues$4(channel1_0, channel2_0, t2, weight);
  	          }
  	          t2 = A.SassColor_SassColor$forSpaceInternal(t1, t2, mixed1, mixed2, mixedAlpha);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.LchColorSpace_Bpv === t1 || B.OklchColorSpace_9Gj === t1) {
  	          if (missing1_2 && missing2_2)
  	            t2 = _null;
  	          else {
  	            t2 = method.hue;
  	            t2.toString;
  	            t2 = _this._interpolateHues$4(channel1_2, channel2_2, t2, weight);
  	          }
  	          t2 = A.SassColor_SassColor$forSpaceInternal(t1, mixed0, mixed1, t2, mixedAlpha);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = A.SassColor_SassColor$forSpaceInternal(t1, mixed0, mixed1, mixed2, mixedAlpha);
  	        break $label0$0;
  	      }
  	      return t1.toSpace$2$legacyMissing(_this._space, false);
  	    },
  	    _isAnalogousChannelMissing$3(original, output, outputChannelIndex) {
  	      var originalChannel;
  	      if (output.get$channelsOrNull()[outputChannelIndex] == null)
  	        return true;
  	      if (original === output)
  	        return false;
  	      originalChannel = A.IterableExtension_firstWhereOrNull(original._space._channels, output._space._channels[outputChannelIndex].get$isAnalogous());
  	      if (originalChannel == null)
  	        return false;
  	      return original.isChannelMissing$1(originalChannel.name);
  	    },
  	    _interpolateHues$4(hue1, hue2, method, weight) {
  	      var _0_0, _1_0;
  	      $label1$1: {
  	        if (B.HueInterpolationMethod_0 === method) {
  	          $label0$0: {
  	            _0_0 = hue2 - hue1;
  	            if (_0_0 > 180) {
  	              hue1 += 360;
  	              break $label0$0;
  	            }
  	            if (_0_0 < -180)
  	              hue2 += 360;
  	          }
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_1 === method) {
  	          $label2$2: {
  	            _1_0 = hue2 - hue1;
  	            if (_1_0 > 0 && _1_0 < 180) {
  	              hue2 += 360;
  	              break $label2$2;
  	            }
  	            if (_1_0 > -180 && _1_0 <= 0)
  	              hue1 += 360;
  	          }
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_2 === method && hue2 < hue1) {
  	          hue2 += 360;
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_3 === method && hue1 < hue2) {
  	          hue1 += 360;
  	          break $label1$1;
  	        }
  	      }
  	      return hue1 * weight + hue2 * (1 - weight);
  	    },
  	    plus$1(other) {
  	      if (!(other instanceof A.SassNumber) && !(other instanceof A.SassColor))
  	        return this.super$Value$plus(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      if (!(other instanceof A.SassNumber) && !(other instanceof A.SassColor))
  	        return this.super$Value$minus(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    dividedBy$1(other) {
  	      if (!(other instanceof A.SassNumber) && !(other instanceof A.SassColor))
  	        return this.super$Value$dividedBy(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " / " + other.toString$0(0) + '".', null));
  	    },
  	    $eq(_, other) {
  	      var t1, t2, _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassColor))
  	        return false;
  	      t1 = _this._space;
  	      if (t1.get$isLegacyInternal()) {
  	        t2 = other._space;
  	        if (!t2.get$isLegacyInternal())
  	          return false;
  	        if (!A.fuzzyEqualsNullable(_this.alphaOrNull, other.alphaOrNull))
  	          return false;
  	        if (t1 === t2)
  	          return A.fuzzyEqualsNullable(_this.channel0OrNull, other.channel0OrNull) && A.fuzzyEqualsNullable(_this.channel1OrNull, other.channel1OrNull) && A.fuzzyEqualsNullable(_this.channel2OrNull, other.channel2OrNull);
  	        else
  	          return _this.toSpace$1(B.RgbColorSpace_i0P).$eq(0, other.toSpace$1(B.RgbColorSpace_i0P));
  	      }
  	      return t1 === other._space && A.fuzzyEqualsNullable(_this.channel0OrNull, other.channel0OrNull) && A.fuzzyEqualsNullable(_this.channel1OrNull, other.channel1OrNull) && A.fuzzyEqualsNullable(_this.channel2OrNull, other.channel2OrNull) && A.fuzzyEqualsNullable(_this.alphaOrNull, other.alphaOrNull);
  	    },
  	    get$hashCode(_) {
  	      var rgb, t2, t3, t4, t5, _this = this,
  	        t1 = _this._space;
  	      if (t1.get$isLegacyInternal()) {
  	        rgb = _this.toSpace$1(B.RgbColorSpace_i0P);
  	        t1 = rgb.channel0OrNull;
  	        t1 = A.fuzzyHashCode(t1 == null ? 0 : t1);
  	        t2 = rgb.channel1OrNull;
  	        t2 = A.fuzzyHashCode(t2 == null ? 0 : t2);
  	        t3 = rgb.channel2OrNull;
  	        t3 = A.fuzzyHashCode(t3 == null ? 0 : t3);
  	        t4 = _this.alphaOrNull;
  	        return t1 ^ t2 ^ t3 ^ A.fuzzyHashCode(t4 == null ? 0 : t4);
  	      } else {
  	        t1 = A.Primitives_objectHashCode(t1);
  	        t2 = _this.channel0OrNull;
  	        t2 = A.fuzzyHashCode(t2 == null ? 0 : t2);
  	        t3 = _this.channel1OrNull;
  	        t3 = A.fuzzyHashCode(t3 == null ? 0 : t3);
  	        t4 = _this.channel2OrNull;
  	        t4 = A.fuzzyHashCode(t4 == null ? 0 : t4);
  	        t5 = _this.alphaOrNull;
  	        return (t1 ^ t2 ^ t3 ^ t4 ^ A.fuzzyHashCode(t5 == null ? 0 : t5)) >>> 0;
  	      }
  	    }
  	  };
  	  A.SassColor$_forSpace_closure.prototype = {
  	    call$1(alpha) {
  	      return A.fuzzyAssertRange(alpha, 0, 1, "alpha");
  	    },
  	    $signature: 12
  	  };
  	  A._ColorFormatEnum.prototype = {
  	    toString$0(_) {
  	      return "rgbFunction";
  	    }
  	  };
  	  A.SpanColorFormat.prototype = {};
  	  A.ColorChannel.prototype = {
  	    isAnalogous$1(other) {
  	      var _0_6_isSet, t1, _0_60, t2, _0_6_isSet0,
  	        _0_1 = this.name,
  	        _0_6 = other.name;
  	      $label0$0: {
  	        if ("red" !== _0_1)
  	          _0_6_isSet = "x" === _0_1;
  	        else
  	          _0_6_isSet = true;
  	        if (_0_6_isSet) {
  	          if ("red" !== _0_6)
  	            t1 = "x" === _0_6;
  	          else
  	            t1 = true;
  	          _0_60 = _0_6;
  	        } else {
  	          _0_60 = null;
  	          t1 = false;
  	        }
  	        t2 = true;
  	        if (!t1) {
  	          if ("green" !== _0_1)
  	            t1 = "y" === _0_1;
  	          else
  	            t1 = true;
  	          if (t1) {
  	            _0_6_isSet0 = true;
  	            if (_0_6_isSet)
  	              t1 = _0_60;
  	            else {
  	              t1 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t1;
  	            }
  	            if ("green" !== t1) {
  	              if (_0_6_isSet)
  	                t1 = _0_60;
  	              else {
  	                t1 = _0_6;
  	                _0_6_isSet = _0_6_isSet0;
  	                _0_60 = t1;
  	              }
  	              t1 = "y" === t1;
  	            } else
  	              t1 = true;
  	          } else
  	            t1 = false;
  	          if (!t1) {
  	            if ("blue" !== _0_1)
  	              t1 = "z" === _0_1;
  	            else
  	              t1 = true;
  	            if (t1) {
  	              _0_6_isSet0 = true;
  	              if (_0_6_isSet)
  	                t1 = _0_60;
  	              else {
  	                t1 = _0_6;
  	                _0_6_isSet = _0_6_isSet0;
  	                _0_60 = t1;
  	              }
  	              if ("blue" !== t1) {
  	                if (_0_6_isSet)
  	                  t1 = _0_60;
  	                else {
  	                  t1 = _0_6;
  	                  _0_6_isSet = _0_6_isSet0;
  	                  _0_60 = t1;
  	                }
  	                t1 = "z" === t1;
  	              } else
  	                t1 = true;
  	            } else
  	              t1 = false;
  	            if (!t1) {
  	              if ("chroma" !== _0_1)
  	                t1 = "saturation" === _0_1;
  	              else
  	                t1 = true;
  	              if (t1) {
  	                _0_6_isSet0 = true;
  	                if (_0_6_isSet)
  	                  t1 = _0_60;
  	                else {
  	                  t1 = _0_6;
  	                  _0_6_isSet = _0_6_isSet0;
  	                  _0_60 = t1;
  	                }
  	                if ("chroma" !== t1) {
  	                  if (_0_6_isSet)
  	                    t1 = _0_60;
  	                  else {
  	                    t1 = _0_6;
  	                    _0_6_isSet = _0_6_isSet0;
  	                    _0_60 = t1;
  	                  }
  	                  t1 = "saturation" === t1;
  	                } else
  	                  t1 = true;
  	              } else
  	                t1 = false;
  	              if (!t1) {
  	                if ("lightness" === _0_1) {
  	                  if (_0_6_isSet)
  	                    t1 = _0_60;
  	                  else {
  	                    t1 = _0_6;
  	                    _0_60 = t1;
  	                    _0_6_isSet = true;
  	                  }
  	                  t1 = "lightness" === t1;
  	                } else
  	                  t1 = false;
  	                if (!t1)
  	                  if ("hue" === _0_1)
  	                    t1 = "hue" === (_0_6_isSet ? _0_60 : _0_6);
  	                  else
  	                    t1 = false;
  	                else
  	                  t1 = t2;
  	              } else
  	                t1 = t2;
  	            } else
  	              t1 = t2;
  	          } else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.LinearChannel.prototype = {};
  	  A.GamutMapMethod.prototype = {
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.ClipGamutMap.prototype = {
  	    map$1(_, color) {
  	      var t1 = color._space,
  	        t2 = t1._channels;
  	      return A.SassColor_SassColor$forSpaceInternal(t1, this._clampChannel$2(color.channel0OrNull, t2[0]), this._clampChannel$2(color.channel1OrNull, t2[1]), this._clampChannel$2(color.channel2OrNull, t2[2]), color.alphaOrNull);
  	    },
  	    _clampChannel$2(value, channel) {
  	      var t1, min;
  	      if (value == null)
  	        t1 = null;
  	      else
  	        $label0$0: {
  	          if (channel instanceof A.LinearChannel) {
  	            min = channel.min;
  	            t1 = isNaN(value) ? min : B.JSNumber_methods.clamp$2(value, min, channel.max);
  	            break $label0$0;
  	          }
  	          t1 = value;
  	          break $label0$0;
  	        }
  	      return t1;
  	    }
  	  };
  	  A.LocalMindeGamutMap.prototype = {
  	    map$1(_, color) {
  	      var clipped, max, min, minInGamut, chroma, current, e,
  	        originOklch = color.toSpace$1(B.OklchColorSpace_9Gj),
  	        lightness = originOklch.channel0OrNull,
  	        hue = originOklch.channel2OrNull,
  	        alpha = originOklch.alphaOrNull,
  	        t1 = lightness == null,
  	        t2 = t1 ? 0 : lightness;
  	      if (t2 > 1 || A.fuzzyEquals(t2, 1)) {
  	        t1 = color._space;
  	        t2 = color.alphaOrNull;
  	        return t1.get$isLegacyInternal() ? A.SassColor_SassColor$rgbInternal(255, 255, 255, t2, null).toSpace$1(t1) : A.SassColor_SassColor$forSpaceInternal(t1, 1, 1, 1, t2);
  	      } else {
  	        t1 = t1 ? 0 : lightness;
  	        if (t1 < 0 || A.fuzzyEquals(t1, 0))
  	          return A.SassColor_SassColor$rgbInternal(0, 0, 0, color.alphaOrNull, null).toSpace$1(color._space);
  	      }
  	      clipped = color.get$isInGamut() ? color : B.ClipGamutMap_clip.map$1(0, color);
  	      if (this._deltaEOK$2(clipped, color) < 0.02)
  	        return clipped;
  	      max = originOklch.channel1OrNull;
  	      if (max == null)
  	        max = 0;
  	      for (t1 = color._space, min = 0, minInGamut = true; max - min > 0.0001;) {
  	        chroma = (min + max) / 2;
  	        current = B.OklchColorSpace_9Gj.convert$5(t1, lightness, chroma, hue, alpha);
  	        if (minInGamut && current.get$isInGamut()) {
  	          min = chroma;
  	          continue;
  	        }
  	        clipped = current.get$isInGamut() ? current : B.ClipGamutMap_clip.map$1(0, current);
  	        e = this._deltaEOK$2(clipped, current);
  	        if (e < 0.02) {
  	          if (0.02 - e < 0.0001)
  	            return clipped;
  	          min = chroma;
  	          minInGamut = false;
  	        } else
  	          max = chroma;
  	      }
  	      return clipped;
  	    },
  	    _deltaEOK$2(color1, color2) {
  	      var t2, t3, t4,
  	        lab1 = color1.toSpace$1(B.OklabColorSpace_540),
  	        lab2 = color2.toSpace$1(B.OklabColorSpace_540),
  	        t1 = lab1.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = lab2.channel0OrNull;
  	      t1 = Math.pow(t1 - (t2 == null ? 0 : t2), 2);
  	      t2 = lab1.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = lab2.channel1OrNull;
  	      t2 = Math.pow(t2 - (t3 == null ? 0 : t3), 2);
  	      t3 = lab1.channel2OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      t4 = lab2.channel2OrNull;
  	      return Math.sqrt(t1 + t2 + Math.pow(t3 - (t4 == null ? 0 : t4), 2));
  	    }
  	  };
  	  A.InterpolationMethod.prototype = {
  	    toString$0(_) {
  	      var t1 = this.hue;
  	      t1 = t1 == null ? "" : " " + t1.toString$0(0) + " hue";
  	      return this.space.name + t1;
  	    }
  	  };
  	  A.HueInterpolationMethod.prototype = {
  	    _enumToString$0() {
  	      return "HueInterpolationMethod." + this._name;
  	    }
  	  };
  	  A.ColorSpace.prototype = {
  	    get$isLegacyInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return false;
  	    },
  	    convert$5(dest, channel0, channel1, channel2, alpha) {
  	      return this.convertLinear$5(dest, channel0, channel1, channel2, alpha);
  	    },
  	    convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var t1, t2, transformedBlue, transformedGreen, transformedRed, linearRed, linearGreen, linearBlue, matrix, _this = this;
  	      $label0$0: {
  	        t1 = B.HslColorSpace_JQ2 !== dest;
  	        if (!t1 || B.HwbColorSpace_guQ === dest) {
  	          t2 = B.SrgbColorSpace_thf;
  	          break $label0$0;
  	        }
  	        if (B.LabColorSpace_2nT === dest || B.LchColorSpace_Bpv === dest) {
  	          t2 = B.XyzD50ColorSpace_2OB;
  	          break $label0$0;
  	        }
  	        if (B.OklabColorSpace_540 === dest || B.OklchColorSpace_9Gj === dest) {
  	          t2 = B.LmsColorSpace_Os3;
  	          break $label0$0;
  	        }
  	        t2 = dest;
  	        break $label0$0;
  	      }
  	      if (t2 === _this) {
  	        transformedBlue = blue;
  	        transformedGreen = green;
  	        transformedRed = red;
  	      } else {
  	        linearRed = _this.toLinear$1(red == null ? 0 : red);
  	        linearGreen = _this.toLinear$1(green == null ? 0 : green);
  	        linearBlue = _this.toLinear$1(blue == null ? 0 : blue);
  	        matrix = _this.transformationMatrix$1(t2);
  	        transformedRed = t2.fromLinear$1(matrix[0] * linearRed + matrix[1] * linearGreen + matrix[2] * linearBlue);
  	        transformedGreen = t2.fromLinear$1(matrix[3] * linearRed + matrix[4] * linearGreen + matrix[5] * linearBlue);
  	        transformedBlue = t2.fromLinear$1(matrix[6] * linearRed + matrix[7] * linearGreen + matrix[8] * linearBlue);
  	      }
  	      $label1$1: {
  	        if (!t1 || B.HwbColorSpace_guQ === dest) {
  	          t1 = B.SrgbColorSpace_thf.convert$8$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        if (B.LabColorSpace_2nT === dest || B.LchColorSpace_Bpv === dest) {
  	          t1 = B.XyzD50ColorSpace_2OB.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        if (B.OklabColorSpace_540 === dest || B.OklchColorSpace_9Gj === dest) {
  	          t1 = B.LmsColorSpace_Os3.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        t1 = red == null ? null : transformedRed;
  	        t2 = green == null ? null : transformedGreen;
  	        t1 = A.SassColor_SassColor$forSpaceInternal(dest, t1, t2, blue == null ? null : transformedBlue, alpha);
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    convertLinear$5(dest, red, green, blue, alpha) {
  	      return this.convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, false, false, false, false);
  	    },
  	    toLinear$1(channel) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space " + this.toString$0(0) + " doesn't support linear conversions."));
  	    },
  	    fromLinear$1(channel) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space " + this.toString$0(0) + " doesn't support linear conversions."));
  	    },
  	    transformationMatrix$1(dest) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space conversion from " + this.toString$0(0) + " to " + dest.toString$0(0) + " not implemented."));
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.A98RgbColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      return J.get$sign$in(channel) * Math.pow(Math.abs(channel), 2.19921875);
  	    },
  	    fromLinear$1(channel) {
  	      return J.get$sign$in(channel) * Math.pow(Math.abs(channel), 0.4547069271758437);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$linearA98RgbToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$linearA98RgbToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearA98RgbToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearA98RgbToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearA98RgbToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearA98RgbToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearA98RgbToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.DisplayP3ColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1;
  	      if (dest === B.DisplayP3LinearColorSpace_PrP) {
  	        t1 = this.get$toLinear();
  	        t1 = A.SassColor_SassColor$forSpaceInternal(dest, A.NullableExtension_andThen(red, t1), A.NullableExtension_andThen(green, t1), A.NullableExtension_andThen(blue, t1), alpha);
  	      } else
  	        t1 = this.super$ColorSpace$convertLinear(dest, red, green, blue, alpha, false, false, false, false, false);
  	      return t1;
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear(channel);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear(channel);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.DisplayP3LinearColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      return dest === B.DisplayP3ColorSpace_MmT ? A.SassColor_SassColor$forSpaceInternal(dest, A.NullableExtension_andThen(red, A.utils0__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen(green, A.utils0__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen(blue, A.utils0__srgbAndDisplayP3FromLinear$closure()), alpha) : this.super$ColorSpace$convert(dest, red, green, blue, alpha);
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.HslColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, hue, saturation, lightness, alpha) {
  	      var t1 = hue == null,
  	        scaledHue = B.JSNumber_methods.$mod((t1 ? 0 : hue) / 360, 1),
  	        t2 = saturation == null,
  	        scaledSaturation = (t2 ? 0 : saturation) / 100,
  	        t3 = lightness == null,
  	        scaledLightness = (t3 ? 0 : lightness) / 100,
  	        m2 = scaledLightness <= 0.5 ? scaledLightness * (scaledSaturation + 1) : scaledLightness + scaledSaturation - scaledLightness * scaledSaturation,
  	        m1 = scaledLightness * 2 - m2;
  	      return B.SrgbColorSpace_thf.convert$8$missingChroma$missingHue$missingLightness(dest, A.hueToRgb(m1, m2, scaledHue + 0.3333333333333333), A.hueToRgb(m1, m2, scaledHue), A.hueToRgb(m1, m2, scaledHue - 0.3333333333333333), alpha, t2, t1, t3);
  	    }
  	  };
  	  A.HwbColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, hue, whiteness, blackness, alpha) {
  	      var t3, t1 = {},
  	        t2 = hue == null,
  	        scaledHue = B.JSNumber_methods.$mod(t2 ? 0 : hue, 360) / 360,
  	        scaledWhiteness = t1.scaledWhiteness = (whiteness == null ? 0 : whiteness) / 100,
  	        scaledBlackness = (blackness == null ? 0 : blackness) / 100,
  	        sum = scaledWhiteness + scaledBlackness;
  	      if (sum > 1) {
  	        t3 = t1.scaledWhiteness = scaledWhiteness / sum;
  	        scaledBlackness /= sum;
  	      } else
  	        t3 = scaledWhiteness;
  	      t3 = new A.HwbColorSpace_convert_toRgb(t1, 1 - t3 - scaledBlackness);
  	      return B.SrgbColorSpace_thf.convert$6$missingHue(dest, t3.call$1(scaledHue + 0.3333333333333333), t3.call$1(scaledHue), t3.call$1(scaledHue - 0.3333333333333333), alpha, t2);
  	    }
  	  };
  	  A.HwbColorSpace_convert_toRgb.prototype = {
  	    call$1(hue) {
  	      return A.hueToRgb(0, 1, hue) * this.factor + this._box_0.scaledWhiteness;
  	    },
  	    $signature: 12
  	  };
  	  A.LabColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var powerlessAB, t1, missingLightness, f1, t2, t3, t4;
  	      switch (dest) {
  	        case B.LabColorSpace_2nT:
  	          powerlessAB = lightness == null || A.fuzzyEquals(lightness, 0);
  	          t1 = a == null || powerlessAB ? null : a;
  	          return A.SassColor$_forSpace(B.LabColorSpace_2nT, lightness, t1, b == null || powerlessAB ? null : b, alpha, null);
  	        case B.LchColorSpace_Bpv:
  	          return A.labToLch(dest, lightness, a, b, alpha, false, false);
  	        default:
  	          missingLightness = lightness == null;
  	          if (missingLightness)
  	            lightness = 0;
  	          f1 = (lightness + 16) / 116;
  	          t1 = a == null;
  	          t2 = this._convertFToXorZ$1((t1 ? 0 : a) / 500 + f1);
  	          t3 = lightness > 8 ? Math.pow(f1, 3) : lightness / 903.2962962962963;
  	          t4 = b == null;
  	          return B.XyzD50ColorSpace_2OB.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, t2 * 0.9642956764295677, t3, this._convertFToXorZ$1(f1 - (t4 ? 0 : b) / 200) * 0.8251046025104602, alpha, t1, t4, missingChroma, missingHue, missingLightness);
  	      }
  	    },
  	    convert$5(dest, lightness, a, b, alpha) {
  	      return this.convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, false, false);
  	    },
  	    _convertFToXorZ$1(component) {
  	      var cubed = Math.pow(component, 3) + 0;
  	      return cubed > 0.008856451679035631 ? cubed : (116 * component - 16) / 903.2962962962963;
  	    }
  	  };
  	  A.LchColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, lightness, chroma, hue, alpha) {
  	      var t1 = hue == null,
  	        hueRadians = (t1 ? 0 : hue) * 3.141592653589793 / 180,
  	        t2 = chroma == null,
  	        t3 = t2 ? 0 : chroma,
  	        t4 = Math.cos(hueRadians),
  	        t5 = t2 ? 0 : chroma;
  	      return B.LabColorSpace_2nT.convert$7$missingChroma$missingHue(dest, lightness, t3 * t4, t5 * Math.sin(hueRadians), alpha, t2, t1);
  	    }
  	  };
  	  A.LmsColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, long, medium, short, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var t1, longScaled, mediumScaled, shortScaled, lightness, t2, t3, _null = null;
  	      switch (dest) {
  	        case B.OklabColorSpace_540:
  	          t1 = long == null ? 0 : long;
  	          longScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = medium == null ? 0 : medium;
  	          mediumScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = short == null ? 0 : short;
  	          shortScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = $.$get$lmsToOklab();
  	          lightness = t1[0] * longScaled + t1[1] * mediumScaled + t1[2] * shortScaled;
  	          t2 = missingLightness ? _null : lightness;
  	          t3 = missingA ? _null : t1[3] * longScaled + t1[4] * mediumScaled + t1[5] * shortScaled;
  	          return A.SassColor$_forSpace(B.OklabColorSpace_540, t2, t3, missingB ? _null : t1[6] * longScaled + t1[7] * mediumScaled + t1[8] * shortScaled, alpha, _null);
  	        case B.OklchColorSpace_9Gj:
  	          t1 = long == null ? 0 : long;
  	          longScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = medium == null ? 0 : medium;
  	          mediumScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = short == null ? 0 : short;
  	          shortScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          if (missingLightness)
  	            t1 = _null;
  	          else {
  	            t1 = $.$get$lmsToOklab();
  	            t1 = t1[0] * longScaled + t1[1] * mediumScaled + t1[2] * shortScaled;
  	          }
  	          t2 = $.$get$lmsToOklab();
  	          return A.labToLch(dest, t1, t2[3] * longScaled + t2[4] * mediumScaled + t2[5] * shortScaled, t2[6] * longScaled + t2[7] * mediumScaled + t2[8] * shortScaled, alpha, missingChroma, missingHue);
  	        default:
  	          return this.super$ColorSpace$convertLinear(dest, long, medium, short, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	      }
  	    },
  	    convert$5(dest, long, medium, short, alpha) {
  	      return this.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, long, medium, short, alpha, false, false, false, false, false);
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$lmsToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$lmsToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$lmsToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$lmsToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$lmsToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$lmsToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$lmsToXyzD50();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.OklabColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var missingLightness, missingA, missingB, t1;
  	      if (dest === B.OklchColorSpace_9Gj)
  	        return A.labToLch(dest, lightness, a, b, alpha, missingChroma, missingHue);
  	      missingLightness = lightness == null;
  	      missingA = a == null;
  	      missingB = b == null;
  	      if (missingLightness)
  	        lightness = 0;
  	      if (missingA)
  	        a = 0;
  	      if (missingB)
  	        b = 0;
  	      t1 = $.$get$oklabToLms();
  	      return B.LmsColorSpace_Os3.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, Math.pow(t1[0] * lightness + t1[1] * a + t1[2] * b, 3) + 0, Math.pow(t1[3] * lightness + t1[4] * a + t1[5] * b, 3) + 0, Math.pow(t1[6] * lightness + t1[7] * a + t1[8] * b, 3) + 0, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, lightness, a, b, alpha) {
  	      return this.convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, false, false);
  	    }
  	  };
  	  A.OklchColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, lightness, chroma, hue, alpha) {
  	      var t1 = hue == null,
  	        hueRadians = (t1 ? 0 : hue) * 3.141592653589793 / 180,
  	        t2 = chroma == null,
  	        t3 = t2 ? 0 : chroma,
  	        t4 = Math.cos(hueRadians),
  	        t5 = t2 ? 0 : chroma;
  	      return B.OklabColorSpace_540.convert$7$missingChroma$missingHue(dest, lightness, t3 * t4, t5 * Math.sin(hueRadians), alpha, t2, t1);
  	    }
  	  };
  	  A.ProphotoRgbColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.03125 ? channel / 16 : J.get$sign$in(channel) * Math.pow(abs, 1.8);
  	    },
  	    fromLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs >= 0.001953125 ? J.get$sign$in(channel) * Math.pow(abs, 0.5555555555555556) : 16 * channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearProphotoRgbToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearProphotoRgbToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.Rec2020ColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs < 0.08124285829863151 ? channel / 4.5 : J.get$sign$in(channel) * Math.pow((abs + 1.09929682680944 - 1) / 1.09929682680944, 2.2222222222222223);
  	    },
  	    fromLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs > 0.018053968510807 ? J.get$sign$in(channel) * (1.09929682680944 * Math.pow(abs, 0.45) - 0.09929682680944008) : 4.5 * channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$linearRec2020ToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearRec2020ToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$linearRec2020ToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearRec2020ToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearRec2020ToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearRec2020ToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearRec2020ToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.RgbColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1 = red == null ? null : red / 255,
  	        t2 = green == null ? null : green / 255;
  	      return B.SrgbColorSpace_thf.convert$5(dest, t1, t2, blue == null ? null : blue / 255, alpha);
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear(channel / 255);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear(channel) * 255;
  	    }
  	  };
  	  A.SrgbColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, missingChroma, missingHue, missingLightness) {
  	      var max, min, delta, hue, lightness, saturation, t1, t2, whiteness, blackness, _null = null;
  	      if (B.HslColorSpace_JQ2 === dest || B.HwbColorSpace_guQ === dest) {
  	        if (red == null)
  	          red = 0;
  	        if (green == null)
  	          green = 0;
  	        if (blue == null)
  	          blue = 0;
  	        max = Math.max(Math.max(red, green), blue);
  	        min = Math.min(Math.min(red, green), blue);
  	        delta = max - min;
  	        if (max === min)
  	          hue = 0;
  	        else if (max === red)
  	          hue = 60 * (green - blue) / delta + 360;
  	        else
  	          hue = max === green ? 60 * (blue - red) / delta + 120 : 60 * (red - green) / delta + 240;
  	        if (dest === B.HslColorSpace_JQ2) {
  	          lightness = (min + max) / 2;
  	          saturation = lightness === 0 || lightness === 1 ? 0 : 100 * (max - lightness) / Math.min(lightness, 1 - lightness);
  	          if (saturation < 0) {
  	            hue += 180;
  	            saturation = Math.abs(saturation);
  	          }
  	          t1 = missingHue || A.fuzzyEquals(saturation, 0) ? _null : B.JSNumber_methods.$mod(hue, 360);
  	          t2 = missingChroma ? _null : saturation;
  	          return A.SassColor_SassColor$forSpaceInternal(dest, t1, t2, missingLightness ? _null : lightness * 100, alpha);
  	        } else {
  	          whiteness = min * 100;
  	          blackness = 100 - max * 100;
  	          if (!missingHue) {
  	            t1 = whiteness + blackness;
  	            t1 = t1 > 100 || A.fuzzyEquals(t1, 100);
  	          } else
  	            t1 = true;
  	          return A.SassColor_SassColor$forSpaceInternal(dest, t1 ? _null : B.JSNumber_methods.$mod(hue, 360), whiteness, blackness, alpha);
  	        }
  	      }
  	      if (B.RgbColorSpace_i0P === dest) {
  	        t1 = red == null ? _null : red * 255;
  	        t2 = green == null ? _null : green * 255;
  	        return A.SassColor_SassColor$rgbInternal(t1, t2, blue == null ? _null : blue * 255, alpha, _null);
  	      }
  	      if (B.SrgbLinearColorSpace_kUj === dest) {
  	        t1 = this.get$toLinear();
  	        return A.SassColor_SassColor$forSpaceInternal(dest, A.NullableExtension_andThen(red, t1), A.NullableExtension_andThen(green, t1), A.NullableExtension_andThen(blue, t1), alpha);
  	      }
  	      return this.super$ColorSpace$convertLinear(dest, red, green, blue, alpha, false, false, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      return this.convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, false, false);
  	    },
  	    convert$6$missingHue(dest, red, green, blue, alpha, missingHue) {
  	      return this.convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, missingHue, false);
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear(channel);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear(channel);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$linearSrgbToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearSrgbToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearSrgbToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearSrgbToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearSrgbToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearSrgbToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearSrgbToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.SrgbLinearColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1;
  	      $label0$0: {
  	        if (B.RgbColorSpace_i0P === dest || B.HslColorSpace_JQ2 === dest || B.HwbColorSpace_guQ === dest || B.SrgbColorSpace_thf === dest) {
  	          t1 = B.SrgbColorSpace_thf.convert$5(dest, A.NullableExtension_andThen(red, A.utils0__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen(green, A.utils0__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen(blue, A.utils0__srgbAndDisplayP3FromLinear$closure()), alpha);
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$convert(dest, red, green, blue, alpha);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$linearSrgbToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$linearSrgbToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$linearSrgbToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$linearSrgbToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$linearSrgbToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$linearSrgbToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$linearSrgbToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.XyzD50ColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, x, y, z, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var f0, f1, f2, lightness, a, b, t1, _this = this, _null = null;
  	      if (B.LabColorSpace_2nT === dest || B.LchColorSpace_Bpv === dest) {
  	        f0 = _this._convertComponentToLabF$1((x == null ? 0 : x) / 0.9642956764295677);
  	        f1 = _this._convertComponentToLabF$1((y == null ? 0 : y) / 1);
  	        f2 = _this._convertComponentToLabF$1((z == null ? 0 : z) / 0.8251046025104602);
  	        lightness = missingLightness ? _null : 116 * f1 - 16;
  	        a = 500 * (f0 - f1);
  	        b = 200 * (f1 - f2);
  	        if (dest === B.LabColorSpace_2nT) {
  	          t1 = missingA ? _null : a;
  	          t1 = A.SassColor$_forSpace(B.LabColorSpace_2nT, lightness, t1, missingB ? _null : b, alpha, _null);
  	        } else
  	          t1 = A.labToLch(B.LchColorSpace_Bpv, lightness, a, b, alpha, missingChroma, missingHue);
  	        return t1;
  	      }
  	      return _this.super$ColorSpace$convertLinear(dest, x, y, z, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, x, y, z, alpha) {
  	      return this.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, x, y, z, alpha, false, false, false, false, false);
  	    },
  	    _convertComponentToLabF$1(component) {
  	      return component > 0.008856451679035631 ? Math.pow(component, 0.3333333333333333) + 0 : (903.2962962962963 * component + 16) / 116;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$xyzD50ToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$xyzD50ToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$xyzD50ToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$xyzD50ToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$xyzD50ToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ === dest) {
  	          t1 = $.$get$xyzD50ToXyzD65();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$xyzD50ToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.XyzD65ColorSpace.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj === dest || B.SrgbColorSpace_thf === dest || B.RgbColorSpace_i0P === dest) {
  	          t1 = $.$get$xyzD65ToLinearSrgb();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf2 === dest) {
  	          t1 = $.$get$xyzD65ToLinearA98Rgb();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz === dest) {
  	          t1 = $.$get$xyzD65ToLinearProphotoRgb();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT === dest || B.DisplayP3LinearColorSpace_PrP === dest) {
  	          t1 = $.$get$xyzD65ToLinearDisplayP3();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo === dest) {
  	          t1 = $.$get$xyzD65ToLinearRec2020();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB === dest) {
  	          t1 = $.$get$xyzD65ToXyzD50();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os3 === dest) {
  	          t1 = $.$get$xyzD65ToLms();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.SassFunction.prototype = {
  	    accept$1$1(visitor) {
  	      var t1, t2;
  	      if (!visitor._inspect)
  	        A.throwExpression(A.SassScriptException$(this.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = visitor._serialize$_buffer;
  	      t1.write$1(0, "get-function(");
  	      t2 = this.callable;
  	      visitor._visitQuotedString$1(t2.get$name(t2));
  	      t1.writeCharCode$1(41);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertFunction$1($name) {
  	      return this;
  	    },
  	    assertCompileContext$1(compileContext) {
  	      var t1 = this._function$_compileContext !== compileContext;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$(this.toString$0(0) + " does not belong to current compilation.", null));
  	      return this;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassFunction && this.callable.$eq(0, other.callable);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.callable;
  	      return t1.get$hashCode(t1);
  	    }
  	  };
  	  A.SassList.prototype = {
  	    get$separator(_) {
  	      return this._separator;
  	    },
  	    get$hasBrackets() {
  	      return this._hasBrackets;
  	    },
  	    get$isBlank() {
  	      return !this._hasBrackets && B.JSArray_methods.every$1(this._list$_contents, new A.SassList_isBlank_closure());
  	    },
  	    get$asList() {
  	      return this._list$_contents;
  	    },
  	    get$lengthAsList() {
  	      return this._list$_contents.length;
  	    },
  	    SassList$3$brackets(contents, _separator, brackets) {
  	      if (this._separator === B.ListSeparator_undecided_null_3_undecided && this._list$_contents.length > 1)
  	        throw A.wrapException(A.ArgumentError$(string$.A_list, null));
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = true;
  	      if (!_this._hasBrackets) {
  	        t2 = _this._list$_contents.length;
  	        if (t2 !== 0)
  	          t1 = t2 === 1 && _this._separator === B.ListSeparator_z0K;
  	      }
  	      if (t1)
  	        return _this.super$Value$toString(0);
  	      return "(" + _this.super$Value$toString(0) + ")";
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitList$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMap$1($name) {
  	      return this._list$_contents.length === 0 ? B.SassMap_Map_empty : this.super$Value$assertMap($name);
  	    },
  	    tryMap$0() {
  	      return this._list$_contents.length === 0 ? B.SassMap_Map_empty : null;
  	    },
  	    $eq(_, other) {
  	      var t1, _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassList && other._separator === _this._separator && other._hasBrackets === _this._hasBrackets && B.C_ListEquality.equals$2(0, other._list$_contents, _this._list$_contents)))
  	        t1 = _this._list$_contents.length === 0 && other instanceof A.SassMap && other.get$asList().length === 0;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this._list$_contents);
  	    }
  	  };
  	  A.SassList_isBlank_closure.prototype = {
  	    call$1(element) {
  	      return element.get$isBlank();
  	    },
  	    $signature: 79
  	  };
  	  A.ListSeparator.prototype = {
  	    _enumToString$0() {
  	      return "ListSeparator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._list$_name;
  	    }
  	  };
  	  A.SassMap.prototype = {
  	    get$separator(_) {
  	      var t1 = this._map$_contents;
  	      return t1.get$isEmpty(t1) ? B.ListSeparator_undecided_null_3_undecided : B.ListSeparator_z0K;
  	    },
  	    get$asList() {
  	      var t3, t4, t5, result,
  	        t1 = type$.JSArray_Value,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = type$.Value, t4 = A.MapExtensions_get_pairs(this._map$_contents, t3, t3), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        result = A.List_List$from(A._setArrayType([t5._0, t5._1], t1), false, t3);
  	        result.$flags = 3;
  	        t2.push(new A.SassList(result, B.ListSeparator_SrV, false));
  	      }
  	      return t2;
  	    },
  	    get$lengthAsList() {
  	      var t1 = this._map$_contents;
  	      return t1.get$length(t1);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitMap$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMap$1($name) {
  	      return this;
  	    },
  	    tryMap$0() {
  	      return this;
  	    },
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassMap && B.C_MapEquality.equals$2(0, other._map$_contents, this._map$_contents))) {
  	        t1 = this._map$_contents;
  	        t1 = t1.get$isEmpty(t1) && other instanceof A.SassList && other._list$_contents.length === 0;
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._map$_contents;
  	      return t1.get$isEmpty(t1) ? B.C_ListEquality0.hash$1(B.List_empty8) : B.C_MapEquality.hash$1(t1);
  	    }
  	  };
  	  A.SassMixin.prototype = {
  	    accept$1$1(visitor) {
  	      var t1, t2;
  	      if (!visitor._inspect)
  	        A.throwExpression(A.SassScriptException$(this.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = visitor._serialize$_buffer;
  	      t1.write$1(0, "get-mixin(");
  	      t2 = this.callable;
  	      visitor._visitQuotedString$1(t2.get$name(t2));
  	      t1.writeCharCode$1(41);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMixin$1($name) {
  	      return this;
  	    },
  	    assertCompileContext$1(compileContext) {
  	      var t1 = this._mixin$_compileContext !== compileContext;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$(this.toString$0(0) + " does not belong to current compilation.", null));
  	      return this;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassMixin && this.callable.$eq(0, other.callable);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.callable;
  	      return t1.get$hashCode(t1);
  	    }
  	  };
  	  A._SassNull.prototype = {
  	    get$isTruthy() {
  	      return false;
  	    },
  	    get$isBlank() {
  	      return true;
  	    },
  	    get$realNull() {
  	      return null;
  	    },
  	    accept$1$1(visitor) {
  	      if (visitor._inspect)
  	        visitor._serialize$_buffer.write$1(0, "null");
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unaryNot$0() {
  	      return B.SassBoolean_true;
  	    }
  	  };
  	  A.SassNumber.prototype = {
  	    get$unitString() {
  	      var _this = this;
  	      return _this.get$hasUnits() ? _this._unitString$2(_this.get$numeratorUnits(_this), _this.get$denominatorUnits(_this)) : "";
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitNumber$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    withoutSlash$0() {
  	      var _this = this;
  	      return _this.asSlash == null ? _this : _this.withValue$1(_this._number$_value);
  	    },
  	    assertNumber$1($name) {
  	      return this;
  	    },
  	    assertNumber$0() {
  	      return this.assertNumber$1(null);
  	    },
  	    assertInt$1($name) {
  	      var _0_0 = A.fuzzyAsInt(this._number$_value);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$(this.toString$0(0) + " is not an int.", $name));
  	    },
  	    assertInt$0() {
  	      return this.assertInt$1(null);
  	    },
  	    valueInRange$3(min, max, $name) {
  	      var _this = this,
  	        _0_0 = A.fuzzyCheckRange(_this._number$_value, min, max);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$("Expected " + _this.toString$0(0) + " to be within " + min + _this.get$unitString() + " and " + max + _this.get$unitString() + ".", $name));
  	    },
  	    valueInRangeWithUnit$4(min, max, $name, unit) {
  	      var _0_0 = A.fuzzyCheckRange(this._number$_value, min, max);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + " to be within " + min + unit + " and " + max + unit + ".", $name));
  	    },
  	    hasCompatibleUnits$1(other) {
  	      var _this = this;
  	      if (_this.get$numeratorUnits(_this).length !== other.get$numeratorUnits(other).length)
  	        return false;
  	      if (_this.get$denominatorUnits(_this).length !== other.get$denominatorUnits(other).length)
  	        return false;
  	      return _this.isComparableTo$1(other);
  	    },
  	    assertUnit$2(unit, $name) {
  	      if (this.hasUnit$1(unit))
  	        return;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + ' to have unit "' + unit + '".', $name));
  	    },
  	    assertNoUnits$1($name) {
  	      if (!this.get$hasUnits())
  	        return;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + " to have no units.", $name));
  	    },
  	    assertNoUnits$0() {
  	      return this.assertNoUnits$1(null);
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      return this._coerceOrConvertValue$6$coerceUnitless$name$other$otherName(other.get$numeratorUnits(other), other.get$denominatorUnits(other), false, $name, other, otherName);
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$3(newNumerators, newDenominators, $name) {
  	      return A.SassNumber_SassNumber$withUnits(this.coerceValue$3(newNumerators, newDenominators, $name), newDenominators, newNumerators);
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      return this.coerce$3(newNumerators, newDenominators, null);
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      return this._coerceOrConvertValue$4$coerceUnitless$name(newNumerators, newDenominators, true, $name);
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      var t1 = type$.JSArray_String;
  	      return this.coerceValue$3(A._setArrayType([unit], t1), A._setArrayType([], t1), $name);
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    coerceToMatch$3(other, $name, otherName) {
  	      var t1 = this.coerceValueToMatch$3(other, $name, otherName),
  	        t2 = other.get$numeratorUnits(other);
  	      return A.SassNumber_SassNumber$withUnits(t1, other.get$denominatorUnits(other), t2);
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      return this._coerceOrConvertValue$6$coerceUnitless$name$other$otherName(other.get$numeratorUnits(other), other.get$denominatorUnits(other), true, $name, other, otherName);
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    _coerceOrConvertValue$6$coerceUnitless$name$other$otherName(newNumerators, newDenominators, coerceUnitless, $name, other, otherName) {
  	      var otherHasUnits, t1, compatibilityException, oldNumerators, _i, oldDenominators, _this = this, _box_0 = {};
  	      if (B.C_ListEquality.equals$2(0, _this.get$numeratorUnits(_this), newNumerators) && B.C_ListEquality.equals$2(0, _this.get$denominatorUnits(_this), newDenominators))
  	        return _this._number$_value;
  	      otherHasUnits = newNumerators.length !== 0 || newDenominators.length !== 0;
  	      if (coerceUnitless)
  	        t1 = !_this.get$hasUnits() || !otherHasUnits;
  	      else
  	        t1 = false;
  	      if (t1)
  	        return _this._number$_value;
  	      compatibilityException = new A.SassNumber__coerceOrConvertValue_compatibilityException(_this, other, otherName, otherHasUnits, $name, newNumerators, newDenominators);
  	      _box_0.value = _this._number$_value;
  	      t1 = _this.get$numeratorUnits(_this);
  	      oldNumerators = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      for (t1 = newNumerators.length, _i = 0; _i < newNumerators.length; newNumerators.length === t1 || (0, A.throwConcurrentModificationError)(newNumerators), ++_i)
  	        A.removeFirstWhere(oldNumerators, new A.SassNumber__coerceOrConvertValue_closure(_box_0, newNumerators[_i]), new A.SassNumber__coerceOrConvertValue_closure0(compatibilityException));
  	      t1 = _this.get$denominatorUnits(_this);
  	      oldDenominators = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      for (t1 = newDenominators.length, _i = 0; _i < newDenominators.length; newDenominators.length === t1 || (0, A.throwConcurrentModificationError)(newDenominators), ++_i)
  	        A.removeFirstWhere(oldDenominators, new A.SassNumber__coerceOrConvertValue_closure1(_box_0, newDenominators[_i]), new A.SassNumber__coerceOrConvertValue_closure2(compatibilityException));
  	      if (oldNumerators.length !== 0 || oldDenominators.length !== 0)
  	        throw A.wrapException(compatibilityException.call$0());
  	      return _box_0.value;
  	    },
  	    _coerceOrConvertValue$4$coerceUnitless$name(newNumerators, newDenominators, coerceUnitless, $name) {
  	      return this._coerceOrConvertValue$6$coerceUnitless$name$other$otherName(newNumerators, newDenominators, coerceUnitless, $name, null, null);
  	    },
  	    isComparableTo$1(other) {
  	      if (!this.get$hasUnits() || !other.get$hasUnits())
  	        return true;
  	      try {
  	        this.greaterThan$1(other);
  	        return true;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.SassScriptException)
  	          return false;
  	        else
  	          throw exception;
  	      }
  	    },
  	    greaterThan$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return this._coerceUnits$2(other, A.number0__fuzzyGreaterThan$closure()) ? B.SassBoolean_true : B.SassBoolean_false;
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " > " + other.toString$0(0) + '".', null));
  	    },
  	    greaterThanOrEquals$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return this._coerceUnits$2(other, A.number0__fuzzyGreaterThanOrEquals$closure()) ? B.SassBoolean_true : B.SassBoolean_false;
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " >= " + other.toString$0(0) + '".', null));
  	    },
  	    lessThan$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return this._coerceUnits$2(other, A.number0__fuzzyLessThan$closure()) ? B.SassBoolean_true : B.SassBoolean_false;
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " < " + other.toString$0(0) + '".', null));
  	    },
  	    lessThanOrEquals$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return this._coerceUnits$2(other, A.number0__fuzzyLessThanOrEquals$closure()) ? B.SassBoolean_true : B.SassBoolean_false;
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " <= " + other.toString$0(0) + '".', null));
  	    },
  	    modulo$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return this.withValue$1(this._coerceUnits$2(other, A.number0__moduloLikeSass$closure()));
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + this.toString$0(0) + " % " + other.toString$0(0) + '".', null));
  	    },
  	    plus$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber)
  	        return _this.withValue$1(_this._coerceUnits$2(other, new A.SassNumber_plus_closure()));
  	      if (!(other instanceof A.SassColor))
  	        return _this.super$Value$plus(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + _this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber)
  	        return _this.withValue$1(_this._coerceUnits$2(other, new A.SassNumber_minus_closure()));
  	      if (!(other instanceof A.SassColor))
  	        return _this.super$Value$minus(other);
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + _this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    times$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber) {
  	        if (!other.get$hasUnits())
  	          return _this.withValue$1(_this._number$_value * other._number$_value);
  	        return _this.multiplyUnits$3(_this._number$_value * other._number$_value, other.get$numeratorUnits(other), other.get$denominatorUnits(other));
  	      }
  	      throw A.wrapException(A.SassScriptException$('Undefined operation "' + _this.toString$0(0) + " * " + other.toString$0(0) + '".', null));
  	    },
  	    dividedBy$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber) {
  	        if (!other.get$hasUnits())
  	          return _this.withValue$1(_this._number$_value / other._number$_value);
  	        return _this.multiplyUnits$3(_this._number$_value / other._number$_value, other.get$denominatorUnits(other), other.get$numeratorUnits(other));
  	      }
  	      return _this.super$Value$dividedBy(other);
  	    },
  	    unaryPlus$0() {
  	      return this;
  	    },
  	    _coerceUnits$1$2(other, operation) {
  	      var t1;
  	      try {
  	        t1 = operation.call$2(this._number$_value, other.coerceValueToMatch$1(this));
  	        return t1;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.SassScriptException) {
  	          this.coerceValueToMatch$1(other);
  	          throw exception;
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _coerceUnits$2(other, operation) {
  	      return this._coerceUnits$1$2(other, operation, type$.dynamic);
  	    },
  	    multiplyUnits$3(value, otherNumerators, otherDenominators) {
  	      var t1, _0_1, _0_6, _0_3, _0_9, _0_9_isSet, _0_7, _0_7_isSet, t2, _0_2, t3, denominators_case_0, _0_11_isSet, _0_11, _0_13, _0_13_isSet, numerators_case_0, t4, t5, t6, t7, numerators_case_1, denominators_case_1, t0, newNumerators, mutableOtherDenominators, _i, numerator, mutableDenominatorUnits, _this = this, _null = null, _box_0 = {};
  	      _box_0.value = value;
  	      t1 = [_this.get$numeratorUnits(_this), _this.get$denominatorUnits(_this), otherNumerators, otherDenominators];
  	      _0_1 = t1[0];
  	      _0_6 = _null;
  	      _0_3 = _null;
  	      _0_9 = _null;
  	      _0_9_isSet = false;
  	      _0_7 = _null;
  	      _0_7_isSet = false;
  	      t2 = false;
  	      _0_2 = t1[1];
  	      _0_3 = t1[2];
  	      _0_6 = _0_3.length <= 0;
  	      t3 = _0_6;
  	      if (t3) {
  	        _0_7 = t1[3];
  	        _0_9 = _0_7.length <= 0;
  	        t2 = _0_9;
  	        _0_9_isSet = true;
  	        _0_7_isSet = true;
  	      }
  	      denominators_case_0 = _0_2;
  	      _0_11_isSet = !t2;
  	      _0_11 = _null;
  	      _0_13 = _null;
  	      _0_13_isSet = false;
  	      t2 = true;
  	      if (_0_11_isSet) {
  	        _0_11 = _0_1.length <= 0;
  	        t3 = _0_11;
  	        if (t3) {
  	          _0_13 = _0_2.length <= 0;
  	          t3 = _0_13;
  	          if (t3) {
  	            if (_0_7_isSet)
  	              denominators_case_0 = _0_7;
  	            else {
  	              _0_7 = t1[3];
  	              denominators_case_0 = _0_7;
  	              _0_7_isSet = true;
  	            }
  	            numerators_case_0 = _0_3;
  	          } else {
  	            numerators_case_0 = _0_1;
  	            t2 = false;
  	          }
  	          _0_13_isSet = true;
  	        } else {
  	          numerators_case_0 = _0_1;
  	          t2 = false;
  	        }
  	      } else
  	        numerators_case_0 = _0_1;
  	      if (t2) {
  	        t4 = denominators_case_0;
  	        t3 = numerators_case_0;
  	      } else {
  	        t4 = _null;
  	        t3 = t4;
  	      }
  	      if (!t2) {
  	        t2 = _null;
  	        t5 = _null;
  	        if (_0_11_isSet)
  	          t6 = _0_11;
  	        else {
  	          _0_11 = _0_1.length <= 0;
  	          t6 = _0_11;
  	        }
  	        t7 = false;
  	        if (t6) {
  	          if (_0_9_isSet)
  	            t2 = _0_9;
  	          else {
  	            if (_0_7_isSet)
  	              t2 = _0_7;
  	            else {
  	              _0_7 = t1[3];
  	              t2 = _0_7;
  	              _0_7_isSet = true;
  	            }
  	            _0_9 = t2.length <= 0;
  	            t2 = _0_9;
  	          }
  	          numerators_case_1 = _0_3;
  	          denominators_case_1 = _0_2;
  	        } else {
  	          numerators_case_1 = t2;
  	          t2 = t7;
  	          denominators_case_1 = t5;
  	        }
  	        if (!t2) {
  	          t2 = false;
  	          if (_0_13_isSet)
  	            t5 = _0_13;
  	          else {
  	            _0_13 = _0_2.length <= 0;
  	            t5 = _0_13;
  	          }
  	          if (t5)
  	            if (_0_6) {
  	              denominators_case_1 = _0_7_isSet ? _0_7 : t1[3];
  	              t1 = true;
  	            } else
  	              t1 = t2;
  	          else
  	            t1 = t2;
  	          numerators_case_1 = _0_1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = !_this._areAnyConvertible$2(numerators_case_1, denominators_case_1);
  	          if (t1) {
  	            t3 = denominators_case_1;
  	            t2 = numerators_case_1;
  	          } else {
  	            t2 = t3;
  	            t3 = t4;
  	          }
  	          t0 = t3;
  	          t3 = t1;
  	          t1 = t2;
  	          t2 = t0;
  	        } else {
  	          t2 = t4;
  	          t1 = t3;
  	          t3 = false;
  	        }
  	      } else {
  	        t2 = t4;
  	        t1 = t3;
  	        t3 = true;
  	      }
  	      if (t3)
  	        return A.SassNumber_SassNumber$withUnits(value, t2, t1);
  	      newNumerators = A._setArrayType([], type$.JSArray_String);
  	      mutableOtherDenominators = A._setArrayType(otherDenominators.slice(0), A._arrayInstanceType(otherDenominators));
  	      for (t1 = _this.get$numeratorUnits(_this), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        numerator = t1[_i];
  	        A.removeFirstWhere(mutableOtherDenominators, new A.SassNumber_multiplyUnits_closure(_box_0, numerator), new A.SassNumber_multiplyUnits_closure0(newNumerators, numerator));
  	      }
  	      t1 = _this.get$denominatorUnits(_this);
  	      mutableDenominatorUnits = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      for (t1 = otherNumerators.length, _i = 0; _i < t1; ++_i) {
  	        numerator = otherNumerators[_i];
  	        A.removeFirstWhere(mutableDenominatorUnits, new A.SassNumber_multiplyUnits_closure1(_box_0, numerator), new A.SassNumber_multiplyUnits_closure2(newNumerators, numerator));
  	      }
  	      t1 = _box_0.value;
  	      B.JSArray_methods.addAll$1(mutableDenominatorUnits, mutableOtherDenominators);
  	      return A.SassNumber_SassNumber$withUnits(t1, mutableDenominatorUnits, newNumerators);
  	    },
  	    _areAnyConvertible$2(units1, units2) {
  	      return B.JSArray_methods.any$1(units1, new A.SassNumber__areAnyConvertible_closure(units2));
  	    },
  	    _unitString$2(numerators, denominators) {
  	      var _0_4, _0_7, _0_6, _0_5, t1, _0_9, _0_10, denominator, _null = null;
  	      $label0$0: {
  	        _0_4 = numerators.length <= 0;
  	        _0_7 = _null;
  	        _0_6 = _null;
  	        _0_5 = _null;
  	        if (_0_4) {
  	          _0_6 = denominators.length;
  	          t1 = _0_6;
  	          _0_7 = t1 <= 0;
  	          t1 = _0_7;
  	          _0_5 = denominators;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = "no units";
  	          break $label0$0;
  	        }
  	        _0_9 = _null;
  	        if (_0_4) {
  	          t1 = _0_6;
  	          _0_9 = t1 === 1;
  	          t1 = _0_9;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          _0_10 = (_0_4 ? _0_5 : denominators)[0];
  	          denominator = _0_10;
  	          t1 = denominator + "^-1";
  	          break $label0$0;
  	        }
  	        if (_0_4) {
  	          t1 = "(" + B.JSArray_methods.join$1(denominators, "*") + ")^-1";
  	          break $label0$0;
  	        }
  	        t1 = denominators;
  	        _0_5 = t1;
  	        _0_6 = t1.length;
  	        t1 = _0_6;
  	        _0_7 = t1 <= 0;
  	        t1 = _0_7;
  	        if (t1) {
  	          t1 = B.JSArray_methods.join$1(numerators, "*");
  	          break $label0$0;
  	        }
  	        t1 = _0_6;
  	        _0_9 = t1 === 1;
  	        t1 = _0_9;
  	        if (t1) {
  	          _0_10 = _0_5[0];
  	          denominator = _0_10;
  	          t1 = B.JSArray_methods.join$1(numerators, "*") + "/" + denominator;
  	          break $label0$0;
  	        }
  	        t1 = B.JSArray_methods.join$1(numerators, "*") + "/(" + B.JSArray_methods.join$1(denominators, "*") + ")";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassNumber))
  	        return false;
  	      if (_this.get$numeratorUnits(_this).length !== other.get$numeratorUnits(other).length || _this.get$denominatorUnits(_this).length !== other.get$denominatorUnits(other).length)
  	        return false;
  	      if (!_this.get$hasUnits())
  	        return A.fuzzyEquals(_this._number$_value, other._number$_value);
  	      if (!B.C_ListEquality.equals$2(0, _this._canonicalizeUnitList$1(_this.get$numeratorUnits(_this)), _this._canonicalizeUnitList$1(other.get$numeratorUnits(other))) || !B.C_ListEquality.equals$2(0, _this._canonicalizeUnitList$1(_this.get$denominatorUnits(_this)), _this._canonicalizeUnitList$1(other.get$denominatorUnits(other))))
  	        return false;
  	      return A.fuzzyEquals(_this._number$_value * _this._canonicalMultiplier$1(_this.get$numeratorUnits(_this)) / _this._canonicalMultiplier$1(_this.get$denominatorUnits(_this)), other._number$_value * _this._canonicalMultiplier$1(other.get$numeratorUnits(other)) / _this._canonicalMultiplier$1(other.get$denominatorUnits(other)));
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.hashCache;
  	      return t1 == null ? _this.hashCache = A.fuzzyHashCode(_this._number$_value * _this._canonicalMultiplier$1(_this.get$numeratorUnits(_this)) / _this._canonicalMultiplier$1(_this.get$denominatorUnits(_this))) : t1;
  	    },
  	    _canonicalizeUnitList$1(units) {
  	      var type,
  	        t1 = units.length;
  	      if (t1 === 0)
  	        return units;
  	      if (t1 === 1) {
  	        type = $.$get$_typesByUnit().$index(0, B.JSArray_methods.get$first(units));
  	        if (type == null)
  	          t1 = units;
  	        else {
  	          t1 = B.Map_Sr65K.$index(0, type);
  	          t1.toString;
  	          t1 = A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_String);
  	        }
  	        return t1;
  	      }
  	      t1 = A._arrayInstanceType(units)._eval$1("MappedListIterable<1,String>");
  	      t1 = A.List_List$_of(new A.MappedListIterable(units, new A.SassNumber__canonicalizeUnitList_closure(), t1), t1._eval$1("ListIterable.E"));
  	      B.JSArray_methods.sort$0(t1);
  	      return t1;
  	    },
  	    _canonicalMultiplier$1(units) {
  	      return B.JSArray_methods.fold$2(units, 1, new A.SassNumber__canonicalMultiplier_closure(this));
  	    },
  	    canonicalMultiplierForUnit$1(unit) {
  	      var t1,
  	        innerMap = B.Map_NtHoP.$index(0, unit);
  	      if (innerMap == null)
  	        t1 = 1;
  	      else {
  	        t1 = innerMap.get$values(innerMap);
  	        t1 = 1 / t1.get$first(t1);
  	      }
  	      return t1;
  	    },
  	    unitSuggestion$2($name, unit) {
  	      var t2, t3, result, _this = this,
  	        t1 = _this.get$denominatorUnits(_this);
  	      t1 = new A.MappedListIterable(t1, new A.SassNumber_unitSuggestion_closure(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	      t2 = _this.get$numeratorUnits(_this);
  	      t2 = new A.MappedListIterable(t2, new A.SassNumber_unitSuggestion_closure0(), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	      t3 = unit == null ? "" : " * 1" + unit;
  	      result = "$" + $name + t1 + t2 + t3;
  	      return _this.get$numeratorUnits(_this).length === 0 ? result : "calc(" + result + ")";
  	    },
  	    unitSuggestion$1($name) {
  	      return this.unitSuggestion$2($name, null);
  	    }
  	  };
  	  A.SassNumber__coerceOrConvertValue_compatibilityException.prototype = {
  	    call$0() {
  	      var t2, t3, message, t4, type, unit, _this = this,
  	        t1 = _this.other;
  	      if (t1 != null) {
  	        t2 = _this.$this;
  	        t3 = t2.toString$0(0) + " and";
  	        message = new A.StringBuffer(t3);
  	        t4 = _this.otherName;
  	        if (t4 != null)
  	          t3 = message._contents = t3 + (" $" + t4 + ":");
  	        t1 = t3 + (" " + t1.toString$0(0) + " have incompatible units");
  	        message._contents = t1;
  	        if (!t2.get$hasUnits() || !_this.otherHasUnits)
  	          message._contents = t1 + " (one has units and the other doesn't)";
  	        t1 = message.toString$0(0) + ".";
  	        t2 = _this.name;
  	        return new A.SassScriptException(t2 == null ? t1 : "$" + t2 + ": " + t1);
  	      } else if (!_this.otherHasUnits) {
  	        t1 = "Expected " + _this.$this.toString$0(0) + " to have no units.";
  	        t2 = _this.name;
  	        return new A.SassScriptException(t2 == null ? t1 : "$" + t2 + ": " + t1);
  	      } else {
  	        t1 = _this.newNumerators;
  	        if (t1.length === 1 && _this.newDenominators.length === 0) {
  	          type = $.$get$_typesByUnit().$index(0, B.JSArray_methods.get$first(t1));
  	          if (type != null) {
  	            t1 = _this.$this.toString$0(0);
  	            t2 = B.JSArray_methods.contains$1(A._setArrayType([97, 101, 105, 111, 117], type$.JSArray_int), type.charCodeAt(0)) ? "an " + type : "a " + type;
  	            t3 = B.Map_Sr65K.$index(0, type);
  	            t3.toString;
  	            t3 = "Expected " + t1 + " to have " + t2 + " unit (" + B.JSArray_methods.join$1(t3, ", ") + ").";
  	            t2 = _this.name;
  	            return new A.SassScriptException(t2 == null ? t3 : "$" + t2 + ": " + t3);
  	          }
  	        }
  	        t2 = _this.newDenominators;
  	        unit = A.pluralize("unit", t1.length + t2.length, null);
  	        t3 = _this.$this;
  	        t2 = "Expected " + t3.toString$0(0) + " to have " + unit + " " + t3._unitString$2(t1, t2) + ".";
  	        t1 = _this.name;
  	        return new A.SassScriptException(t1 == null ? t2 : "$" + t1 + ": " + t2);
  	      }
  	    },
  	    $signature: 328
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure.prototype = {
  	    call$1(oldNumerator) {
  	      var factor = A.conversionFactor(this.newNumerator, oldNumerator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value *= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure0.prototype = {
  	    call$0() {
  	      return A.throwExpression(this.compatibilityException.call$0());
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure1.prototype = {
  	    call$1(oldDenominator) {
  	      var factor = A.conversionFactor(this.newDenominator, oldDenominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure2.prototype = {
  	    call$0() {
  	      return A.throwExpression(this.compatibilityException.call$0());
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber_plus_closure.prototype = {
  	    call$2(num1, num2) {
  	      return num1 + num2;
  	    },
  	    $signature: 57
  	  };
  	  A.SassNumber_minus_closure.prototype = {
  	    call$2(num1, num2) {
  	      return num1 - num2;
  	    },
  	    $signature: 57
  	  };
  	  A.SassNumber_multiplyUnits_closure.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor(this.numerator, denominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber_multiplyUnits_closure0.prototype = {
  	    call$0() {
  	      return this.newNumerators.push(this.numerator);
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber_multiplyUnits_closure1.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor(this.numerator, denominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber_multiplyUnits_closure2.prototype = {
  	    call$0() {
  	      return this.newNumerators.push(this.numerator);
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber__areAnyConvertible_closure.prototype = {
  	    call$1(unit1) {
  	      var t1,
  	        _0_0 = B.Map_NtHoP.$index(0, unit1);
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = B.JSArray_methods.any$1(this.units2, _0_0.get$containsKey());
  	          break $label0$0;
  	        }
  	        t1 = B.JSArray_methods.contains$1(this.units2, unit1);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__canonicalizeUnitList_closure.prototype = {
  	    call$1(unit) {
  	      var t1,
  	        type = $.$get$_typesByUnit().$index(0, unit);
  	      if (type == null)
  	        t1 = unit;
  	      else {
  	        t1 = B.Map_Sr65K.$index(0, type);
  	        t1.toString;
  	        t1 = B.JSArray_methods.get$first(t1);
  	      }
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.SassNumber__canonicalMultiplier_closure.prototype = {
  	    call$2(multiplier, unit) {
  	      return multiplier * this.$this.canonicalMultiplierForUnit$1(unit);
  	    },
  	    $signature: 165
  	  };
  	  A.SassNumber_unitSuggestion_closure.prototype = {
  	    call$1(unit) {
  	      return " * 1" + unit;
  	    },
  	    $signature: 6
  	  };
  	  A.SassNumber_unitSuggestion_closure0.prototype = {
  	    call$1(unit) {
  	      return " / 1" + unit;
  	    },
  	    $signature: 6
  	  };
  	  A.ComplexSassNumber.prototype = {
  	    get$numeratorUnits(_) {
  	      return this._numeratorUnits;
  	    },
  	    get$denominatorUnits(_) {
  	      return this._denominatorUnits;
  	    },
  	    get$hasUnits() {
  	      return true;
  	    },
  	    get$hasComplexUnits() {
  	      return true;
  	    },
  	    hasUnit$1(unit) {
  	      return false;
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return false;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      throw A.wrapException(A.UnimplementedError$(string$.Comple));
  	    },
  	    withValue$1(value) {
  	      return new A.ComplexSassNumber(this._numeratorUnits, this._denominatorUnits, value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.ComplexSassNumber(this._numeratorUnits, this._denominatorUnits, this._number$_value, new A._Record_2(numerator, denominator));
  	    }
  	  };
  	  A.SingleUnitSassNumber.prototype = {
  	    get$numeratorUnits(_) {
  	      return A.List_List$unmodifiable([this._unit], type$.String);
  	    },
  	    get$denominatorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$hasUnits() {
  	      return true;
  	    },
  	    get$hasComplexUnits() {
  	      return false;
  	    },
  	    withValue$1(value) {
  	      return new A.SingleUnitSassNumber(this._unit, value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.SingleUnitSassNumber(this._unit, this._number$_value, new A._Record_2(numerator, denominator));
  	    },
  	    hasUnit$1(unit) {
  	      return unit === this._unit;
  	    },
  	    hasCompatibleUnits$1(other) {
  	      return other instanceof A.SingleUnitSassNumber && A.conversionFactor(this._unit, other._unit) != null;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      var t1, knownCompatibilities, otherUnit;
  	      if (!(other instanceof A.SingleUnitSassNumber))
  	        return false;
  	      t1 = $.$get$_knownCompatibilitiesByUnit();
  	      knownCompatibilities = t1.$index(0, this._unit.toLowerCase());
  	      if (knownCompatibilities == null)
  	        return true;
  	      otherUnit = other._unit.toLowerCase();
  	      return knownCompatibilities.contains$1(0, otherUnit) || !t1.containsKey$1(otherUnit);
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return A.conversionFactor(this._unit, unit) != null;
  	    },
  	    coerceToMatch$1(other) {
  	      var t1 = other instanceof A.SingleUnitSassNumber ? this._coerceToUnit$1(other._unit) : null;
  	      return t1 == null ? this.super$SassNumber$coerceToMatch(other, null, null) : t1;
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber ? this._coerceValueToUnit$1(other._unit) : null;
  	      return t1 == null ? this.super$SassNumber$coerceValueToMatch(other, $name, otherName) : t1;
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber ? this._coerceValueToUnit$1(other._unit) : null;
  	      return t1 == null ? this.super$SassNumber$convertValueToMatch(other, $name, otherName) : t1;
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      var t1 = newNumerators.length === 1 && newDenominators.length === 0 ? this._coerceToUnit$1(newNumerators[0]) : null;
  	      return t1 == null ? this.super$SassNumber$coerce(newNumerators, newDenominators, null) : t1;
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      var t1 = newNumerators.length === 1 && newDenominators.length === 0 ? this._coerceValueToUnit$1(newNumerators[0]) : null;
  	      return t1 == null ? this.super$SassNumber$coerceValue(newNumerators, newDenominators, $name) : t1;
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      var t1 = this._coerceValueToUnit$1(unit);
  	      return t1 == null ? this.super$SassNumber$coerceValueToUnit(unit, $name) : t1;
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    _coerceToUnit$1(unit) {
  	      var t1 = this._unit;
  	      if (t1 === unit)
  	        return this;
  	      return A.NullableExtension_andThen(A.conversionFactor(unit, t1), new A.SingleUnitSassNumber__coerceToUnit_closure(this, unit));
  	    },
  	    _coerceValueToUnit$1(unit) {
  	      return A.NullableExtension_andThen(A.conversionFactor(unit, this._unit), new A.SingleUnitSassNumber__coerceValueToUnit_closure(this));
  	    },
  	    multiplyUnits$3(value, otherNumerators, otherDenominators) {
  	      var mutableOtherDenominators, t1 = {};
  	      t1.value = value;
  	      t1.newNumerators = otherNumerators;
  	      mutableOtherDenominators = A._setArrayType(otherDenominators.slice(0), A._arrayInstanceType(otherDenominators));
  	      A.removeFirstWhere(mutableOtherDenominators, new A.SingleUnitSassNumber_multiplyUnits_closure(t1, this), new A.SingleUnitSassNumber_multiplyUnits_closure0(t1, this));
  	      return A.SassNumber_SassNumber$withUnits(t1.value, mutableOtherDenominators, t1.newNumerators);
  	    },
  	    unaryMinus$0() {
  	      return new A.SingleUnitSassNumber(this._unit, -this._number$_value, null);
  	    },
  	    $eq(_, other) {
  	      var factor;
  	      if (other == null)
  	        return false;
  	      if (other instanceof A.SingleUnitSassNumber) {
  	        factor = A.conversionFactor(other._unit, this._unit);
  	        return factor != null && A.fuzzyEquals(this._number$_value * factor, other._number$_value);
  	      } else
  	        return false;
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.hashCache;
  	      return t1 == null ? _this.hashCache = A.fuzzyHashCode(_this._number$_value * _this.canonicalMultiplierForUnit$1(_this._unit)) : t1;
  	    }
  	  };
  	  A.SingleUnitSassNumber__coerceToUnit_closure.prototype = {
  	    call$1(factor) {
  	      return new A.SingleUnitSassNumber(this.unit, this.$this._number$_value * factor, null);
  	    },
  	    $signature: 336
  	  };
  	  A.SingleUnitSassNumber__coerceValueToUnit_closure.prototype = {
  	    call$1(factor) {
  	      return this.$this._number$_value * factor;
  	    },
  	    $signature: 12
  	  };
  	  A.SingleUnitSassNumber_multiplyUnits_closure.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor(denominator, this.$this._unit);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value *= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SingleUnitSassNumber_multiplyUnits_closure0.prototype = {
  	    call$0() {
  	      var t1 = A._setArrayType([this.$this._unit], type$.JSArray_String),
  	        t2 = this._box_0;
  	      B.JSArray_methods.addAll$1(t1, t2.newNumerators);
  	      t2.newNumerators = t1;
  	    },
  	    $signature: 0
  	  };
  	  A.UnitlessSassNumber.prototype = {
  	    get$numeratorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$denominatorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$hasUnits() {
  	      return false;
  	    },
  	    get$hasComplexUnits() {
  	      return false;
  	    },
  	    withValue$1(value) {
  	      return new A.UnitlessSassNumber(value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.UnitlessSassNumber(this._number$_value, new A._Record_2(numerator, denominator));
  	    },
  	    hasUnit$1(unit) {
  	      return false;
  	    },
  	    hasCompatibleUnits$1(other) {
  	      return other instanceof A.UnitlessSassNumber;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      return other instanceof A.UnitlessSassNumber;
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return true;
  	    },
  	    coerceToMatch$1(other) {
  	      return other.withValue$1(this._number$_value);
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      return this._number$_value;
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      return other.get$hasUnits() ? this.super$SassNumber$convertValueToMatch(other, $name, otherName) : this._number$_value;
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      return A.SassNumber_SassNumber$withUnits(this._number$_value, newDenominators, newNumerators);
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      return this._number$_value;
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      return this._number$_value;
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    greaterThan$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber) {
  	        t1 = this._number$_value;
  	        t2 = other._number$_value;
  	        return t1 > t2 && !A.fuzzyEquals(t1, t2) ? B.SassBoolean_true : B.SassBoolean_false;
  	      }
  	      return this.super$SassNumber$greaterThan(other);
  	    },
  	    greaterThanOrEquals$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber) {
  	        t1 = this._number$_value;
  	        t2 = other._number$_value;
  	        return t1 > t2 || A.fuzzyEquals(t1, t2) ? B.SassBoolean_true : B.SassBoolean_false;
  	      }
  	      return this.super$SassNumber$greaterThanOrEquals(other);
  	    },
  	    lessThan$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber) {
  	        t1 = this._number$_value;
  	        t2 = other._number$_value;
  	        return t1 < t2 && !A.fuzzyEquals(t1, t2) ? B.SassBoolean_true : B.SassBoolean_false;
  	      }
  	      return this.super$SassNumber$lessThan(other);
  	    },
  	    lessThanOrEquals$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber) {
  	        t1 = this._number$_value;
  	        t2 = other._number$_value;
  	        return t1 < t2 || A.fuzzyEquals(t1, t2) ? B.SassBoolean_true : B.SassBoolean_false;
  	      }
  	      return this.super$SassNumber$lessThanOrEquals(other);
  	    },
  	    modulo$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return other.withValue$1(A.moduloLikeSass(this._number$_value, other._number$_value));
  	      return this.super$SassNumber$modulo(other);
  	    },
  	    plus$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return other.withValue$1(this._number$_value + other._number$_value);
  	      return this.super$SassNumber$plus(other);
  	    },
  	    minus$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return other.withValue$1(this._number$_value - other._number$_value);
  	      return this.super$SassNumber$minus(other);
  	    },
  	    times$1(other) {
  	      if (other instanceof A.SassNumber)
  	        return other.withValue$1(this._number$_value * other._number$_value);
  	      return this.super$SassNumber$times(other);
  	    },
  	    dividedBy$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber) {
  	        t1 = this._number$_value / other._number$_value;
  	        if (other.get$hasUnits()) {
  	          t2 = other.get$denominatorUnits(other);
  	          t2 = A.SassNumber_SassNumber$withUnits(t1, other.get$numeratorUnits(other), t2);
  	          t1 = t2;
  	        } else
  	          t1 = new A.UnitlessSassNumber(t1, null);
  	        return t1;
  	      }
  	      return this.super$SassNumber$dividedBy(other);
  	    },
  	    unaryMinus$0() {
  	      return new A.UnitlessSassNumber(-this._number$_value, null);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.UnitlessSassNumber && A.fuzzyEquals(this._number$_value, other._number$_value);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.hashCache;
  	      return t1 == null ? this.hashCache = A.fuzzyHashCode(this._number$_value) : t1;
  	    }
  	  };
  	  A.SassString.prototype = {
  	    get$_sassLength() {
  	      var result, _this = this,
  	        value = _this.__SassString__sassLength_FI;
  	      if (value === $) {
  	        result = new A.Runes(_this._string$_text).get$length(0);
  	        _this.__SassString__sassLength_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__SassString__sassLength_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$isSpecialNumber() {
  	      var t1, _2_0, t2, _0_0, _1_0;
  	      if (this._hasQuotes)
  	        return false;
  	      t1 = this._string$_text;
  	      if (t1.length < 6)
  	        return false;
  	      _2_0 = t1.charCodeAt(0);
  	      $label0$0: {
  	        t2 = false;
  	        if (97 === _2_0 || 65 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 116 && (t1.charCodeAt(2) | 32) === 116 && (t1.charCodeAt(3) | 32) === 114 && t1.charCodeAt(4) === 40;
  	          break $label0$0;
  	        }
  	        if (99 === _2_0 || 67 === _2_0) {
  	          _0_0 = t1.charCodeAt(1);
  	          $label1$1: {
  	            if (108 === _0_0 || 76 === _0_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 97 && (t1.charCodeAt(3) | 32) === 109 && (t1.charCodeAt(4) | 32) === 112 && t1.charCodeAt(5) === 40;
  	              break $label1$1;
  	            }
  	            if (97 === _0_0 || 65 === _0_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 108 && (t1.charCodeAt(3) | 32) === 99 && t1.charCodeAt(4) === 40;
  	              break $label1$1;
  	            }
  	            t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        if (118 === _2_0 || 86 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 97 && (t1.charCodeAt(2) | 32) === 114 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        if (101 === _2_0 || 69 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 110 && (t1.charCodeAt(2) | 32) === 118 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        if (109 === _2_0 || 77 === _2_0) {
  	          _1_0 = t1.charCodeAt(1);
  	          $label2$2: {
  	            if (97 === _1_0 || 65 === _1_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 120 && t1.charCodeAt(3) === 40;
  	              break $label2$2;
  	            }
  	            if (105 === _1_0 || 73 === _1_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 110 && t1.charCodeAt(3) === 40;
  	              break $label2$2;
  	            }
  	            t1 = t2;
  	            break $label2$2;
  	          }
  	          break $label0$0;
  	        }
  	        if (105 === _2_0 || 73 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 102 && t1.charCodeAt(2) === 40;
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isSpecialVariable() {
  	      var t1, _0_0;
  	      if (this._hasQuotes)
  	        return false;
  	      t1 = this._string$_text;
  	      if (t1.length < 6)
  	        return false;
  	      _0_0 = t1.charCodeAt(0);
  	      $label0$0: {
  	        if (97 === _0_0 || 65 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 116 && (t1.charCodeAt(2) | 32) === 116 && (t1.charCodeAt(3) | 32) === 114 && t1.charCodeAt(4) === 40;
  	          break $label0$0;
  	        }
  	        if (105 === _0_0 || 73 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 102 && t1.charCodeAt(2) === 40;
  	          break $label0$0;
  	        }
  	        if (118 === _0_0 || 86 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 97 && (t1.charCodeAt(2) | 32) === 114 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isBlank() {
  	      return !this._hasQuotes && this._string$_text.length === 0;
  	    },
  	    assertQuoted$1($name) {
  	      if (this._hasQuotes)
  	        return;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + " to be a quoted string.", $name));
  	    },
  	    assertUnquoted$1($name) {
  	      if (!this._hasQuotes)
  	        return;
  	      throw A.wrapException(A.SassScriptException$("Expected " + this.toString$0(0) + " to be an unquoted string.", $name));
  	    },
  	    assertUnquoted$0() {
  	      return this.assertUnquoted$1(null);
  	    },
  	    accept$1$1(visitor) {
  	      var t1 = visitor._quote && this._hasQuotes,
  	        t2 = this._string$_text;
  	      if (t1)
  	        visitor._visitQuotedString$1(t2);
  	      else
  	        visitor._visitUnquotedString$1(t2);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertString$1($name) {
  	      return this;
  	    },
  	    plus$1(other) {
  	      var t1 = this._string$_text,
  	        t2 = this._hasQuotes;
  	      return other instanceof A.SassString ? new A.SassString(t1 + other._string$_text, t2) : new A.SassString(t1 + A.serializeValue(other, false, true), t2);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassString && this._string$_text === other._string$_text;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._hashCache;
  	      return t1 == null ? this._hashCache = B.JSString_methods.get$hashCode(this._string$_text) : t1;
  	    }
  	  };
  	  A.AnySelectorVisitor.prototype = {
  	    visitComplexSelector$1(complex) {
  	      return B.JSArray_methods.any$1(complex.components, new A.AnySelectorVisitor_visitComplexSelector_closure(this));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      return B.JSArray_methods.any$1(compound.components, new A.AnySelectorVisitor_visitCompoundSelector_closure(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var selector = pseudo.selector;
  	      return selector == null ? false : this.visitSelectorList$1(selector);
  	    },
  	    visitSelectorList$1(list) {
  	      return B.JSArray_methods.any$1(list.components, this.get$visitComplexSelector());
  	    },
  	    visitAttributeSelector$1(_, attribute) {
  	      return false;
  	    },
  	    visitClassSelector$1(_, klass) {
  	      return false;
  	    },
  	    visitIDSelector$1(_, id) {
  	      return false;
  	    },
  	    visitParentSelector$1(_, $parent) {
  	      return false;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return false;
  	    },
  	    visitTypeSelector$1(_, type) {
  	      return false;
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      return false;
  	    }
  	  };
  	  A.AnySelectorVisitor_visitComplexSelector_closure.prototype = {
  	    call$1(component) {
  	      return this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 54
  	  };
  	  A.AnySelectorVisitor_visitCompoundSelector_closure.prototype = {
  	    call$1(simple) {
  	      return simple.accept$1(this.$this);
  	    },
  	    $signature: 14
  	  };
  	  A._EvaluateVisitor0.prototype = {
  	    get$_async_evaluate$_hasCssNesting() {
  	      var _0_0, t1, grandparent,
  	        $parent = this._async_evaluate$_atRootExcludingStyleRule ? null : this._async_evaluate$_styleRuleIgnoringAtRoot;
  	      for (;; $parent = grandparent) {
  	        _0_0 = $parent == null ? null : $parent._parent;
  	        if (_0_0 instanceof A.ModifiableCssStyleRule)
  	          return true;
  	        t1 = _0_0 != null;
  	        grandparent = t1 ? _0_0 : null;
  	        if (t1)
  	          continue;
  	        return false;
  	      }
  	    },
  	    _EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap0(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t2, metaModule, t3, _i, module, $function, t4, _this = this,
  	        _s20_ = "$name, $module: null",
  	        _s9_ = "sass:meta",
  	        _s7_ = "$module",
  	        t1 = type$.JSArray_AsyncBuiltInCallable,
  	        metaFunctions = A._setArrayType([A.BuiltInCallable$function("global-variable-exists", _s20_, new A._EvaluateVisitor_closure12(_this), _s9_), A.BuiltInCallable$function("variable-exists", "$name", new A._EvaluateVisitor_closure13(_this), _s9_), A.BuiltInCallable$function("function-exists", _s20_, new A._EvaluateVisitor_closure14(_this), _s9_), A.BuiltInCallable$function("mixin-exists", _s20_, new A._EvaluateVisitor_closure15(_this), _s9_), A.BuiltInCallable$function("content-exists", "", new A._EvaluateVisitor_closure16(_this), _s9_), A.BuiltInCallable$function("module-variables", _s7_, new A._EvaluateVisitor_closure17(_this), _s9_), A.BuiltInCallable$function("module-functions", _s7_, new A._EvaluateVisitor_closure18(_this), _s9_), A.BuiltInCallable$function("module-mixins", _s7_, new A._EvaluateVisitor_closure19(_this), _s9_), A.BuiltInCallable$function("get-function", "$name, $css: false, $module: null", new A._EvaluateVisitor_closure20(_this), _s9_), A.BuiltInCallable$function("get-mixin", _s20_, new A._EvaluateVisitor_closure21(_this), _s9_), new A.AsyncBuiltInCallable("call", A.ScssParser$("@function call($function, $args...) {", false, _s9_).parseParameterList$0(), new A._EvaluateVisitor_closure22(_this), false)], t1),
  	        metaMixins = A._setArrayType([A.AsyncBuiltInCallable$mixin("load-css", "$url, $with: null", new A._EvaluateVisitor_closure23(_this), false, _s9_), A.AsyncBuiltInCallable$mixin("apply", "$mixin, $args...", new A._EvaluateVisitor_closure24(_this), true, _s9_)], t1);
  	      t1 = type$.AsyncBuiltInCallable;
  	      t2 = A.List_List$_of($.$get$moduleFunctions(), t1);
  	      B.JSArray_methods.addAll$1(t2, metaFunctions);
  	      metaModule = A.BuiltInModule$("meta", t2, metaMixins, null, t1);
  	      t1 = A.List_List$_of($.$get$coreModules(), type$.BuiltInModule_AsyncCallable);
  	      t1.push(metaModule);
  	      t2 = t1.length;
  	      t3 = _this._async_evaluate$_builtInModules;
  	      _i = 0;
  	      for (; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        module = t1[_i];
  	        t3.$indexSet(0, module.url, module);
  	      }
  	      t1 = type$.JSArray_AsyncCallable;
  	      t2 = A._setArrayType([], t1);
  	      B.JSArray_methods.addAll$1(t2, $.$get$globalFunctions());
  	      t1 = A._setArrayType([], t1);
  	      for (_i = 0; _i < 11; ++_i)
  	        t1.push(metaFunctions[_i].withDeprecationWarning$1("meta"));
  	      B.JSArray_methods.addAll$1(t2, t1);
  	      for (t1 = t2.length, t3 = _this._async_evaluate$_builtInFunctions, _i = 0; _i < t2.length; t2.length === t1 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $function = t2[_i];
  	        t4 = $function.get$name($function);
  	        t3.$indexSet(0, A.stringReplaceAllUnchecked(t4, "_", "-"), $function);
  	      }
  	    },
  	    run$2(_, importer, node) {
  	      return this.run$body$_EvaluateVisitor(0, importer, node);
  	    },
  	    run$body$_EvaluateVisitor(_, importer, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, $async$exception;
  	      var $async$run$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = type$.nullable_Object;
  	              t1 = A.runZoned(new A._EvaluateVisitor_run_closure0($async$self, node, importer), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext0($async$self, node)], t1, t1), type$.FutureOr_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet);
  	              $async$goto = 7;
  	              return A._asyncAwait(type$.Future_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet._is(t1) ? t1 : A._Future$value(t1, type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet), $async$run$2);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace(error.withLoadedUrls$1($async$self._async_evaluate$_loadedUrls), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$run$2, $async$completer);
  	    },
  	    _async_evaluate$_assertInModule$1$2(value, $name) {
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.StateError$("Can't access " + $name + " outside of a module."));
  	    },
  	    _async_evaluate$_assertInModule$2(value, $name) {
  	      return this._async_evaluate$_assertInModule$1$2(value, $name, type$.dynamic);
  	    },
  	    _async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      return this._loadModule$body$_EvaluateVisitor(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors);
  	    },
  	    _async_evaluate$_loadModule$5$configuration(url, stackFrame, nodeWithSpan, callback, configuration) {
  	      return this._async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, configuration, false);
  	    },
  	    _async_evaluate$_loadModule$4(url, stackFrame, nodeWithSpan, callback) {
  	      return this._async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, null, false);
  	    },
  	    _loadModule$body$_EvaluateVisitor(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, t2, _0_0, t1;
  	      var $async$_async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _0_0 = $async$self._async_evaluate$_builtInModules.$index(0, url);
  	              t1 = {};
  	              t1.builtInModule = null;
  	              $async$goto = _0_0 != null ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              t1.builtInModule = _0_0;
  	              if (configuration instanceof A.ExplicitConfiguration) {
  	                t1 = namesInErrors ? "Built-in module " + url.toString$0(0) + " can't be configured." : "Built-in modules can't be configured.";
  	                t2 = configuration.nodeWithSpan;
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(t1, t2.get$span(t2)));
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(nodeWithSpan, new A._EvaluateVisitor__loadModule_closure1(t1, callback), type$.void), $async$_async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withStackFrame$1$3(stackFrame, nodeWithSpan, new A._EvaluateVisitor__loadModule_closure2($async$self, url, nodeWithSpan, baseUrl, namesInErrors, configuration, callback), type$.Null), $async$_async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors, $async$completer);
  	    },
  	    _async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      return this._execute$body$_EvaluateVisitor(importer, stylesheet, configuration, namesInErrors, nodeWithSpan);
  	    },
  	    _async_evaluate$_execute$2(importer, stylesheet) {
  	      return this._async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, null, false, null);
  	    },
  	    _execute$body$_EvaluateVisitor(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Module_AsyncCallable),
  	        $async$returnValue, $async$self = this, currentConfiguration, t2, _0_0, t3, message, existingSpan, configurationSpan, environment, css, preModuleComments, extensionStore, module, t1, url;
  	      var $async$_async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = stylesheet.span;
  	              url = t1.get$sourceUrl(t1);
  	              t1 = configuration == null;
  	              currentConfiguration = t1 ? $async$self._async_evaluate$_configuration : configuration;
  	              t2 = $async$self._async_evaluate$_modules;
  	              _0_0 = t2.$index(0, url);
  	              if (_0_0 != null) {
  	                t2 = $async$self._async_evaluate$_moduleConfigurations.$index(0, url);
  	                t3 = t2.__originalConfiguration;
  	                t2 = t3 == null ? t2 : t3;
  	                t3 = currentConfiguration.__originalConfiguration;
  	                if (t2 !== (t3 == null ? currentConfiguration : t3) && currentConfiguration instanceof A.ExplicitConfiguration && _0_0.couldHaveBeenConfigured$1(new A.MapKeySet(new A.UnmodifiableMapView(currentConfiguration._configuration$_values, type$.UnmodifiableMapView_String_ConfiguredValue), type$.MapKeySet_String))) {
  	                  if (namesInErrors) {
  	                    t2 = $.$get$context();
  	                    url.toString;
  	                    message = t2.prettyUri$1(url) + string$.x20was_a;
  	                  } else
  	                    message = string$.This_mw;
  	                  t2 = $async$self._async_evaluate$_moduleNodes.$index(0, url);
  	                  existingSpan = t2 == null ? null : t2.get$span(t2);
  	                  if (t1) {
  	                    t1 = currentConfiguration.nodeWithSpan;
  	                    configurationSpan = t1.get$span(t1);
  	                  } else
  	                    configurationSpan = null;
  	                  t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	                  if (existingSpan != null)
  	                    t1.$indexSet(0, existingSpan, "original load");
  	                  if (configurationSpan != null)
  	                    t1.$indexSet(0, configurationSpan, "configuration");
  	                  throw A.wrapException(t1.get$isEmpty(0) ? $async$self._async_evaluate$_exception$1(message) : $async$self._async_evaluate$_multiSpanException$3(message, "new load", t1));
  	                }
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              environment = A.AsyncEnvironment$();
  	              css = A._Cell$();
  	              preModuleComments = A._Cell$();
  	              extensionStore = A.ExtensionStore$();
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_withEnvironment$1$2(environment, new A._EvaluateVisitor__execute_closure0($async$self, importer, stylesheet, extensionStore, configuration, css, preModuleComments), type$.Null), $async$_async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan);
  	            case 3:
  	              // returning from await.
  	              t1 = css._readLocal$0();
  	              t3 = preModuleComments._readLocal$0();
  	              module = environment.toModule$3(t1, t3 == null ? B.Map_empty7 : t3, extensionStore);
  	              if (url != null) {
  	                t2.$indexSet(0, url, module);
  	                $async$self._async_evaluate$_moduleConfigurations.$indexSet(0, url, currentConfiguration);
  	                if (nodeWithSpan != null)
  	                  $async$self._async_evaluate$_moduleNodes.$indexSet(0, url, nodeWithSpan);
  	              }
  	              $async$returnValue = module;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan, $async$completer);
  	    },
  	    _async_evaluate$_addOutOfOrderImports$0() {
  	      var t1, t2, _this = this, _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        _0_0 = _this._async_evaluate$_outOfOrderImports;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_).children;
  	          break $label0$0;
  	        }
  	        t1 = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_).children;
  	        t1 = A.List_List$_of(A.SubListIterable$(t1, 0, A.checkNotNullable(_this._async_evaluate$_assertInModule$2(_this._async_evaluate$__endOfImports, _s13_), "count", type$.int), t1.$ti._eval$1("ListBase.E")), type$.ModifiableCssNode);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t2 = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_).children;
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(t2, _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__endOfImports, _s13_), null, t2.$ti._eval$1("ListBase.E")));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _async_evaluate$_combineCss$2$clone(root, clone) {
  	      var selectors, _0_0, t1, imports, css, sorted, t2;
  	      if (!B.JSArray_methods.any$1(root.get$upstream(), new A._EvaluateVisitor__combineCss_closure1())) {
  	        selectors = root.get$extensionStore().get$simpleSelectors();
  	        _0_0 = A.IterableExtension_get_firstOrNull(root.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__combineCss_closure2(selectors)));
  	        if (_0_0 != null)
  	          this._async_evaluate$_throwForUnsatisfiedExtension$1(_0_0);
  	        return root.get$css(root);
  	      }
  	      t1 = type$.JSArray_CssNode;
  	      imports = A._setArrayType([], t1);
  	      css = A._setArrayType([], t1);
  	      t1 = type$.Module_AsyncCallable;
  	      sorted = A.ListQueue$(t1);
  	      new A._EvaluateVisitor__combineCss_visitModule0(this, A.LinkedHashSet_LinkedHashSet$_empty(t1), clone, css, imports, sorted).call$1(root);
  	      if (root.get$transitivelyContainsExtensions())
  	        this._async_evaluate$_extendModules$1(sorted);
  	      t1 = B.JSArray_methods.$add(imports, css);
  	      t2 = root.get$css(root);
  	      return new A.CssStylesheet(new A.UnmodifiableListView(t1, type$.UnmodifiableListView_CssNode), t2.get$span(t2));
  	    },
  	    _async_evaluate$_combineCss$1(root) {
  	      return this._async_evaluate$_combineCss$2$clone(root, false);
  	    },
  	    _async_evaluate$_extendModules$1(sortedModules) {
  	      var t1, t2, t3, originalSelectors, $self, t4, t5, _i, upstream, _0_0,
  	        downstreamExtensionStores = A.LinkedHashMap_LinkedHashMap$_empty(type$.Uri, type$.List_ExtensionStore),
  	        unsatisfiedExtensions = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_Extension);
  	      for (t1 = A._ListQueueIterator$(sortedModules, sortedModules.$ti._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        originalSelectors = t3.get$extensionStore().get$simpleSelectors().toSet$0(0);
  	        unsatisfiedExtensions.addAll$1(0, t3.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__extendModules_closure1(originalSelectors)));
  	        $self = downstreamExtensionStores.$index(0, t3.get$url(t3));
  	        t4 = t3.get$extensionStore().get$addExtensions();
  	        if ($self != null)
  	          t4.call$1($self);
  	        t4 = t3.get$extensionStore();
  	        if (t4.get$isEmpty(t4))
  	          continue;
  	        for (t4 = t3.get$upstream(), t5 = t4.length, _i = 0; _i < t4.length; t4.length === t5 || (0, A.throwConcurrentModificationError)(t4), ++_i) {
  	          upstream = t4[_i];
  	          _0_0 = upstream.get$url(upstream);
  	          if (_0_0 != null)
  	            J.add$1$ax(downstreamExtensionStores.putIfAbsent$2(_0_0, new A._EvaluateVisitor__extendModules_closure2()), t3.get$extensionStore());
  	        }
  	        unsatisfiedExtensions.removeAll$1(t3.get$extensionStore().extensionsWhereTarget$1(originalSelectors.get$contains(originalSelectors)));
  	      }
  	      if (unsatisfiedExtensions._collection$_length !== 0)
  	        this._async_evaluate$_throwForUnsatisfiedExtension$1(unsatisfiedExtensions.get$first(0));
  	    },
  	    _async_evaluate$_throwForUnsatisfiedExtension$1(extension) {
  	      throw A.wrapException(A.SassException$(string$.The_ta + extension.target.toString$0(0) + ' !optional" to avoid this error.', extension.span, null));
  	    },
  	    _async_evaluate$_indexAfterImports$1(statements) {
  	      var t1, lastImport, i, _0_0;
  	      for (t1 = J.getInterceptor$asx(statements), lastImport = -1, i = 0; i < t1.get$length(statements); ++i) {
  	        $label0$0: {
  	          _0_0 = t1.$index(statements, i);
  	          if (_0_0 instanceof A.ModifiableCssImport)
  	            break $label0$0;
  	          if (_0_0 instanceof A.ModifiableCssComment)
  	            continue;
  	          break;
  	        }
  	        lastImport = i;
  	      }
  	      return lastImport + 1;
  	    },
  	    visitStylesheet$1(_, node) {
  	      return this.visitStylesheet$body$_EvaluateVisitor(0, node);
  	    },
  	    visitStylesheet$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, warning, _i, $name, span;
  	      var $async$visitStylesheet$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              for (t1 = node.parseTimeWarnings, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	                warning = t1.__internal$_current;
  	                if (warning == null)
  	                  warning = t2._as(warning);
  	                $async$self._async_evaluate$_warn$3(warning._1, warning._2, warning._0);
  	              }
  	              t1 = node.children, t2 = t1.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t1[_i].accept$1($async$self), $async$visitStylesheet$1);
  	            case 6:
  	              // returning from await.
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              for (t1 = A.MapExtensions_get_pairs(node.globalVariables, type$.String, type$.FileSpan), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	                t2 = t1.get$current(t1);
  	                $name = t2._0;
  	                span = t2._1;
  	                $async$self.visitVariableDeclaration$1(0, new A.VariableDeclaration(null, $name, new A.NullExpression(span), true, false, span));
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStylesheet$1, $async$completer);
  	    },
  	    visitAtRootRule$1(_, node) {
  	      return this.visitAtRootRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitAtRootRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, _1_0, resolved, query, $parent, included, t1, _2_0, root, first, rest, innerCopy, outerCopy, _i, copy, _0_0;
  	      var $async$visitAtRootRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _0_0 = node.query;
  	              $async$goto = _0_0 != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationWithMap$2$warnForColor(_0_0, true), $async$visitAtRootRule$1);
  	            case 6:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              resolved = _1_0._0;
  	              _1_0._1;
  	              query = new A.AtRootQueryParser(A.SpanScanner$(resolved, null), null).parse$0(0);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              query = B.AtRootQuery_bfj;
  	            case 4:
  	              // join
  	              $parent = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent");
  	              included = A._setArrayType([], type$.JSArray_ModifiableCssParentNode);
  	              for (t1 = type$.CssStylesheet; !t1._is($parent); $parent = _2_0) {
  	                if (!query.excludes$1($parent))
  	                  included.push($parent);
  	                _2_0 = $parent._parent;
  	                if (_2_0 == null)
  	                  throw A.wrapException(A.StateError$(string$.CssNod));
  	              }
  	              root = $async$self._async_evaluate$_trimIncluded$1(included);
  	              $async$goto = root === $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate$_environment.scope$1$2$when(new A._EvaluateVisitor_visitAtRootRule_closure1($async$self, node), node.hasDeclarations, type$.Null), $async$visitAtRootRule$1);
  	            case 9:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 8:
  	              // join
  	              if (included.length >= 1) {
  	                first = included[0];
  	                rest = B.JSArray_methods.sublist$1(included, 1);
  	                innerCopy = first.copyWithoutChildren$0();
  	                for (t1 = rest.length, outerCopy = innerCopy, _i = 0; _i < rest.length; rest.length === t1 || (0, A.throwConcurrentModificationError)(rest), ++_i, outerCopy = copy) {
  	                  copy = rest[_i].copyWithoutChildren$0();
  	                  copy.addChild$1(outerCopy);
  	                }
  	                root.addChild$1(outerCopy);
  	              } else
  	                innerCopy = root;
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate$_scopeForAtRoot$4(node, innerCopy, query, included).call$1(new A._EvaluateVisitor_visitAtRootRule_closure2($async$self, node)), $async$visitAtRootRule$1);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitAtRootRule$1, $async$completer);
  	    },
  	    _async_evaluate$_trimIncluded$1(nodes) {
  	      var $parent, t1, innermostContiguous, i, t2, _0_0, _1_0, root, _this = this, _null = null, _s5_ = "_root",
  	        _s22_ = " to be an ancestor of ";
  	      if (nodes.length === 0)
  	        return _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_);
  	      $parent = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__parent, "__parent");
  	      for (t1 = nodes.length, innermostContiguous = _null, i = 0; i < t1; ++i, $parent = _1_0) {
  	        for (; t2 = nodes[i], $parent !== t2; innermostContiguous = _null, $parent = _0_0) {
  	          _0_0 = $parent._parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	        }
  	        if (innermostContiguous == null)
  	          innermostContiguous = i;
  	        _1_0 = $parent._parent;
  	        if (_1_0 == null)
  	          throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	      }
  	      if ($parent !== _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_))
  	        return _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_);
  	      innermostContiguous.toString;
  	      root = nodes[innermostContiguous];
  	      B.JSArray_methods.removeRange$2(nodes, innermostContiguous, nodes.length);
  	      return root;
  	    },
  	    _async_evaluate$_scopeForAtRoot$4(node, newParent, query, included) {
  	      var _this = this,
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure5(_this, newParent, node),
  	        t1 = query._all || query._at_root_query$_rule;
  	      if (t1 !== query.include)
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure6(_this, scope);
  	      if (_this._async_evaluate$_mediaQueries != null && query.excludesName$1("media"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure7(_this, scope);
  	      if (_this._async_evaluate$_inKeyframes && query.excludesName$1("keyframes"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure8(_this, scope);
  	      return _this._async_evaluate$_inUnknownAtRule && !B.JSArray_methods.any$1(included, new A._EvaluateVisitor__scopeForAtRoot_closure9()) ? new A._EvaluateVisitor__scopeForAtRoot_closure10(_this, scope) : scope;
  	    },
  	    visitContentBlock$1(_, node) {
  	      return A.throwExpression(A.UnsupportedError$(string$.Evalua));
  	    },
  	    visitContentRule$1(_, node) {
  	      return this.visitContentRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitContentRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, $content;
  	      var $async$visitContentRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $content = $async$self._async_evaluate$_environment._async_environment$_content;
  	              if ($content == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_runUserDefinedCallable$1$4(node.$arguments, $content, node, new A._EvaluateVisitor_visitContentRule_closure0($async$self, $content), type$.Null), $async$visitContentRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitContentRule$1, $async$completer);
  	    },
  	    visitDebugRule$1(_, node) {
  	      return this.visitDebugRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitDebugRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, value, t1;
  	      var $async$visitDebugRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitDebugRule$1);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              t1 = value instanceof A.SassString ? value._string$_text : A.serializeValue(value, true, true);
  	              $async$self._async_evaluate$_logger.debug$2(0, t1, node.span);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitDebugRule$1, $async$completer);
  	    },
  	    visitDeclaration$1(_, node) {
  	      return this.visitDeclaration$body$_EvaluateVisitor(0, node);
  	    },
  	    visitDeclaration$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, $name, _0_0, _1_0, value, t2, t3, _2_0, oldDeclarationName;
  	      var $async$visitDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (($async$self._async_evaluate$_atRootExcludingStyleRule ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot) == null && !$async$self._async_evaluate$_inUnknownAtRule && !$async$self._async_evaluate$_inKeyframes)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Declarm, node.span));
  	              if ($async$self._async_evaluate$_declarationName != null && !node.parsedAsSassScript) {
  	                t1 = B.JSString_methods.startsWith$1(node.name.get$initialPlain(), "--") ? string$.Declarw : string$.Declarp;
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(t1, node.span));
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_interpolationToValue$2$warnForColor(node.name, true), $async$visitDeclaration$1);
  	            case 3:
  	              // returning from await.
  	              $name = $async$result;
  	              _0_0 = $async$self._async_evaluate$_declarationName;
  	              if (_0_0 != null)
  	                $name = new A.CssValue(_0_0 + "-" + $name.value, $name.span, type$.CssValue_String);
  	              _1_0 = node.value;
  	              $async$goto = _1_0 != null ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait(_1_0.accept$1($async$self), $async$visitDeclaration$1);
  	            case 6:
  	              // returning from await.
  	              value = $async$result;
  	              if (!value.get$isBlank() || value.get$asList().length === 0 || B.JSString_methods.startsWith$1($name.value, "--")) {
  	                $async$self._async_evaluate$_copyParentAfterSibling$0();
  	                t1 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent");
  	                t2 = _1_0.get$span(_1_0);
  	                if ($async$self._async_evaluate$_sourceMap) {
  	                  t3 = A.NullableExtension_andThen(_1_0, $async$self.get$_async_evaluate$_expressionNode());
  	                  t3 = t3 == null ? null : J.get$span$x(t3);
  	                } else
  	                  t3 = null;
  	                t1.addChild$1(A.ModifiableCssDeclaration$($name, new A.CssValue(value, t2, type$.CssValue_Value), node.span, node.parsedAsSassScript, t3));
  	              }
  	            case 5:
  	              // join
  	              _2_0 = node.children;
  	              t1 = {};
  	              t1.children = null;
  	              $async$goto = _2_0 != null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              t1.children = _2_0;
  	              oldDeclarationName = $async$self._async_evaluate$_declarationName;
  	              $async$self._async_evaluate$_declarationName = $name.value;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate$_environment.scope$1$2$when(new A._EvaluateVisitor_visitDeclaration_closure0(t1, $async$self), node.hasDeclarations, type$.Null), $async$visitDeclaration$1);
  	            case 9:
  	              // returning from await.
  	              $async$self._async_evaluate$_declarationName = oldDeclarationName;
  	            case 8:
  	              // join
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitDeclaration$1, $async$completer);
  	    },
  	    visitEachRule$1(_, node) {
  	      return this.visitEachRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitEachRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, list, nodeWithSpan, _0_0;
  	      var $async$visitEachRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.list;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1.accept$1($async$self), $async$visitEachRule$1);
  	            case 3:
  	              // returning from await.
  	              list = $async$result;
  	              nodeWithSpan = $async$self._async_evaluate$_expressionNode$1(t1);
  	              _0_0 = node.variables;
  	              $label0$0: {
  	                t1 = {};
  	                t1.variable = null;
  	                if (_0_0.length === 1) {
  	                  t1.variable = _0_0[0];
  	                  t1 = new A._EvaluateVisitor_visitEachRule_closure2(t1, $async$self, nodeWithSpan);
  	                  break $label0$0;
  	                }
  	                t1 = {};
  	                t1.variables = null;
  	                t1.variables = _0_0;
  	                t1 = new A._EvaluateVisitor_visitEachRule_closure3(t1, $async$self, nodeWithSpan);
  	                break $label0$0;
  	              }
  	              $async$returnValue = $async$self._async_evaluate$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitEachRule_closure4($async$self, list, t1, node), true, type$.nullable_Value);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitEachRule$1, $async$completer);
  	    },
  	    _async_evaluate$_setMultipleVariables$3(variables, value, nodeWithSpan) {
  	      var i,
  	        list = value.get$asList(),
  	        t1 = variables.length,
  	        minLength = Math.min(t1, list.length);
  	      for (i = 0; i < minLength; ++i)
  	        this._async_evaluate$_environment.setLocalVariable$3(variables[i], this._async_evaluate$_withoutSlash$2(list[i], nodeWithSpan), nodeWithSpan);
  	      for (i = minLength; i < t1; ++i)
  	        this._async_evaluate$_environment.setLocalVariable$3(variables[i], B.C__SassNull, nodeWithSpan);
  	    },
  	    visitErrorRule$1(_, node) {
  	      return this.visitErrorRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitErrorRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$self = this, $async$temp1, $async$temp2;
  	      var $async$visitErrorRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$temp2 = J;
  	              $async$goto = 2;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitErrorRule$1);
  	            case 2:
  	              // returning from await.
  	              throw $async$temp1.wrapException($async$self._async_evaluate$_exception$2($async$temp2.toString$0$($async$result), node.span));
  	          }
  	      });
  	      return A._asyncStartSync($async$visitErrorRule$1, $async$completer);
  	    },
  	    visitExtendRule$1(_, node) {
  	      return this.visitExtendRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitExtendRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, _0_0, targetText, targetMap, compound, simple, styleRule;
  	      var $async$visitExtendRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              styleRule = $async$self._async_evaluate$_atRootExcludingStyleRule ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              if (styleRule == null || $async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.x40exten, node.span));
  	              for (t1 = styleRule.originalSelector.components, t2 = t1.length, t3 = node.span, t4 = type$.SourceSpan, t5 = type$.String, _i = 0; _i < t2; ++_i) {
  	                complex = t1[_i];
  	                if (!complex.accept$1(B._IsBogusVisitor_true))
  	                  continue;
  	                visitor = A._SerializeVisitor$(null, true, null, null, true, false, null, true);
  	                complex.accept$1(visitor);
  	                t6 = B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0));
  	                t7 = complex.accept$1(B.C__IsUselessVisitor) ? "can't" : "shouldn't";
  	                $async$self._async_evaluate$_warn$3('The selector "' + t6 + '" is invalid CSS and ' + t7 + string$.x20be_an, new A.MultiSpan(A.SpanExtensions_trimRight(complex.span), "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t3, "@extend rule"], t4, t5), t4, t5)), B.Deprecation_0rM);
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationWithMap$2$warnForColor(node.selector, true), $async$visitExtendRule$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              targetText = _0_0._0;
  	              targetMap = _0_0._1;
  	              for (t1 = A.SelectorList_SelectorList$parse(A.trimAscii(targetText, true), false, targetMap, false).components, t2 = t1.length, t3 = styleRule._style_rule$_selector._box$_inner, _i = 0; _i < t2; ++_i) {
  	                complex = t1[_i];
  	                compound = complex.get$singleCompound();
  	                if (compound == null)
  	                  throw A.wrapException(A.SassFormatException$("complex selectors may not be extended.", complex.span, null));
  	                t4 = compound.components;
  	                simple = t4.length === 1 ? B.JSArray_methods.get$first(t4) : null;
  	                if (simple == null)
  	                  throw A.wrapException(A.SassFormatException$(string$.compou + B.JSArray_methods.join$1(t4, ", ") + string$.x60_inst, compound.span, null));
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__extensionStore, "_extensionStore").addExtension$4(t3.value, simple, node, $async$self._async_evaluate$_mediaQueries);
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitExtendRule$1, $async$completer);
  	    },
  	    visitAtRule$1(_, node) {
  	      return this.visitAtRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitAtRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, $name, t1, value, children, wasInKeyframes, wasInUnknownAtRule, rule;
  	      var $async$visitAtRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.At_rul, node.span));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_interpolationToValue$1(node.name), $async$visitAtRule$1);
  	            case 3:
  	              // returning from await.
  	              $name = $async$result;
  	              t1 = A.NullableExtension_andThen(node.value, new A._EvaluateVisitor_visitAtRule_closure3($async$self));
  	              $async$goto = 4;
  	              return A._asyncAwait(type$.Future_nullable_CssValue_String._is(t1) ? t1 : A._Future$value(t1, type$.nullable_CssValue_String), $async$visitAtRule$1);
  	            case 4:
  	              // returning from await.
  	              value = $async$result;
  	              children = node.children;
  	              if (children == null) {
  	                $async$self._async_evaluate$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$($name, node.span, true, value));
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              wasInKeyframes = $async$self._async_evaluate$_inKeyframes;
  	              wasInUnknownAtRule = $async$self._async_evaluate$_inUnknownAtRule;
  	              if (A.unvendor($name.value) === "keyframes")
  	                $async$self._async_evaluate$_inKeyframes = true;
  	              else
  	                $async$self._async_evaluate$_inUnknownAtRule = true;
  	              rule = A.ModifiableCssAtRule$($name, node.span, false, value);
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 5 : 6;
  	              break;
  	            case 5:
  	              // then
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitAtRule_closure4($async$self, children), node.hasDeclarations, type$.ModifiableCssAtRule, type$.Null), $async$visitAtRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$self._async_evaluate$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate$_inKeyframes = wasInKeyframes;
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 6:
  	              // join
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitAtRule_closure5($async$self, $name, children), node.hasDeclarations, new A._EvaluateVisitor_visitAtRule_closure6(), type$.ModifiableCssAtRule, type$.Null), $async$visitAtRule$1);
  	            case 8:
  	              // returning from await.
  	              $async$self._async_evaluate$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate$_inKeyframes = wasInKeyframes;
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitAtRule$1, $async$completer);
  	    },
  	    visitForRule$1(_, node) {
  	      return this.visitForRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitForRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, fromNumber, t4, toNumber, from, to, direction;
  	      var $async$visitForRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              t2 = node.from;
  	              t3 = type$.SassNumber;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(t2, new A._EvaluateVisitor_visitForRule_closure4($async$self, node), t3), $async$visitForRule$1);
  	            case 3:
  	              // returning from await.
  	              fromNumber = $async$result;
  	              t4 = node.to;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(t4, new A._EvaluateVisitor_visitForRule_closure5($async$self, node), t3), $async$visitForRule$1);
  	            case 4:
  	              // returning from await.
  	              toNumber = $async$result;
  	              from = $async$self._async_evaluate$_addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure6(fromNumber));
  	              to = t1.to = $async$self._async_evaluate$_addExceptionSpan$2(t4, new A._EvaluateVisitor_visitForRule_closure7(toNumber, fromNumber));
  	              direction = from > to ? -1 : 1;
  	              if (from === (!node.isExclusive ? t1.to = to + direction : to)) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$returnValue = $async$self._async_evaluate$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitForRule_closure8(t1, $async$self, node, from, direction, fromNumber), true, type$.nullable_Value);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitForRule$1, $async$completer);
  	    },
  	    visitForwardRule$1(_, node) {
  	      return this.visitForwardRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitForwardRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, newConfiguration, t4, _i, variable, $name, oldConfiguration, adjustedConfiguration, t1, t2, t3;
  	      var $async$visitForwardRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldConfiguration = $async$self._async_evaluate$_configuration;
  	              adjustedConfiguration = oldConfiguration.throughForward$1(node);
  	              t1 = node.configuration;
  	              t2 = t1.length;
  	              t3 = node.url;
  	              $async$goto = t2 !== 0 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_addForwardConfiguration$2(adjustedConfiguration, node), $async$visitForwardRule$1);
  	            case 6:
  	              // returning from await.
  	              newConfiguration = $async$result;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_loadModule$5$configuration(t3, "@forward", node, new A._EvaluateVisitor_visitForwardRule_closure1($async$self, node), newConfiguration), $async$visitForwardRule$1);
  	            case 7:
  	              // returning from await.
  	              t3 = type$.String;
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	              for (_i = 0; _i < t2; ++_i) {
  	                variable = t1[_i];
  	                if (!variable.isGuarded)
  	                  t4.add$1(0, variable.name);
  	              }
  	              $async$self._async_evaluate$_removeUsedConfiguration$3$except(adjustedConfiguration, newConfiguration, t4);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	              for (_i = 0; _i < t2; ++_i)
  	                t3.add$1(0, t1[_i].name);
  	              for (t1 = newConfiguration._configuration$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t4 = t2.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	                $name = t2[_i];
  	                if (!t3.contains$1(0, $name))
  	                  if (!t1.get$isEmpty(t1))
  	                    t1.remove$1(0, $name);
  	              }
  	              $async$self._async_evaluate$_assertConfigurationIsEmpty$1(newConfiguration);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              $async$self._async_evaluate$_configuration = adjustedConfiguration;
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate$_loadModule$4(t3, "@forward", node, new A._EvaluateVisitor_visitForwardRule_closure2($async$self, node)), $async$visitForwardRule$1);
  	            case 8:
  	              // returning from await.
  	              $async$self._async_evaluate$_configuration = oldConfiguration;
  	            case 4:
  	              // join
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitForwardRule$1, $async$completer);
  	    },
  	    _async_evaluate$_addForwardConfiguration$2(configuration, node) {
  	      return this._addForwardConfiguration$body$_EvaluateVisitor(configuration, node);
  	    },
  	    _addForwardConfiguration$body$_EvaluateVisitor(configuration, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Configuration),
  	        $async$returnValue, $async$self = this, t2, t3, t4, t5, _i, variable, t6, _0_0, t7, oldValue, variableNodeWithSpan, t1, newValues, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$_async_evaluate$_addForwardConfiguration$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = configuration._configuration$_values;
  	              newValues = A.LinkedHashMap_LinkedHashMap$of(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue), type$.String, type$.ConfiguredValue);
  	              t2 = node.configuration, t3 = t2.length, t4 = type$._Future_Value, t5 = type$.Future_Value, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              variable = t2[_i];
  	              if (variable.isGuarded) {
  	                t6 = variable.name;
  	                _0_0 = t1.get$isEmpty(t1) ? null : t1.remove$1(0, t6);
  	                if (_0_0 != null) {
  	                  t7 = !_0_0.value.$eq(0, B.C__SassNull);
  	                  oldValue = _0_0;
  	                } else {
  	                  oldValue = null;
  	                  t7 = false;
  	                }
  	                if (t7) {
  	                  newValues.$indexSet(0, t6, oldValue);
  	                  // goto for update
  	                  $async$goto = 4;
  	                  break;
  	                }
  	              }
  	              t6 = variable.expression;
  	              variableNodeWithSpan = $async$self._async_evaluate$_expressionNode$1(t6);
  	              t6 = t6.accept$1($async$self);
  	              if (!t5._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t4);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$temp1 = newValues;
  	              $async$temp2 = variable.name;
  	              $async$temp3 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait(t6, $async$_async_evaluate$_addForwardConfiguration$2);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, new $async$temp3.ConfiguredValue($async$self._async_evaluate$_withoutSlash$2($async$result, variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              if (configuration instanceof A.ExplicitConfiguration || t1.get$isEmpty(t1)) {
  	                $async$returnValue = new A.ExplicitConfiguration(node, newValues, null);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else {
  	                $async$returnValue = new A.Configuration(newValues, null);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_addForwardConfiguration$2, $async$completer);
  	    },
  	    _async_evaluate$_registerCommentsForModule$1(module) {
  	      var _this = this, _s5_ = "_root",
  	        t1 = _this._async_evaluate$__root;
  	      if (t1 == null)
  	        return;
  	      if (_this._async_evaluate$_assertInModule$2(t1, _s5_).children.get$length(0) === 0 || !module.get$transitivelyContainsCss())
  	        return;
  	      t1 = _this._async_evaluate$_preModuleComments;
  	      if (t1 == null)
  	        t1 = _this._async_evaluate$_preModuleComments = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable, type$.List_CssComment);
  	      J.addAll$1$ax(t1.putIfAbsent$2(module, new A._EvaluateVisitor__registerCommentsForModule_closure0()), new A.UnmodifiableListView(J.cast$1$0$ax(_this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_).children._collection$_source, type$.CssComment), type$.UnmodifiableListView_CssComment));
  	      _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__root, _s5_).clearChildren$0();
  	      _this._async_evaluate$__endOfImports = 0;
  	    },
  	    _async_evaluate$_removeUsedConfiguration$3$except(upstream, downstream, except) {
  	      var t1, t2, t3, t4, _i, $name;
  	      for (t1 = upstream._configuration$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t3 = t2.length, t4 = downstream._configuration$_values, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $name = t2[_i];
  	        if (except.contains$1(0, $name))
  	          continue;
  	        if (!t4.containsKey$1($name))
  	          if (!t1.get$isEmpty(t1))
  	            t1.remove$1(0, $name);
  	      }
  	    },
  	    _async_evaluate$_assertConfigurationIsEmpty$2$nameInError(configuration, nameInError) {
  	      var t1, _0_0;
  	      if (!(configuration instanceof A.ExplicitConfiguration))
  	        return;
  	      t1 = configuration._configuration$_values;
  	      if (t1.get$isEmpty(t1))
  	        return;
  	      t1 = A.MapExtensions_get_pairs(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue), type$.String, type$.ConfiguredValue);
  	      _0_0 = t1.get$first(t1);
  	      t1 = nameInError ? "$" + _0_0._0 + string$.x20was_n : string$.This_v;
  	      throw A.wrapException(this._async_evaluate$_exception$2(t1, _0_0._1.configurationSpan));
  	    },
  	    _async_evaluate$_assertConfigurationIsEmpty$1(configuration) {
  	      return this._async_evaluate$_assertConfigurationIsEmpty$2$nameInError(configuration, false);
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return this.visitFunctionRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitFunctionRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, index, t5;
  	      var $async$visitFunctionRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate$_environment;
  	              t2 = t1.closure$0();
  	              t3 = $async$self._async_evaluate$_inDependency;
  	              t4 = t1._async_environment$_functions;
  	              index = t4.length - 1;
  	              t5 = node.name;
  	              t1._async_environment$_functionIndices.$indexSet(0, t5, index);
  	              t4[index].$indexSet(0, t5, new A.UserDefinedCallable(node, t2, t3, type$.UserDefinedCallable_AsyncEnvironment));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitFunctionRule$1, $async$completer);
  	    },
  	    visitIfRule$1(_, node) {
  	      return this.visitIfRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, _i, clauseToCheck, clause;
  	      var $async$visitIfRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              clause = node.lastClause;
  	              t1 = node.clauses, t2 = t1.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              clauseToCheck = t1[_i];
  	              $async$goto = 6;
  	              return A._asyncAwait(clauseToCheck.expression.accept$1($async$self), $async$visitIfRule$1);
  	            case 6:
  	              // returning from await.
  	              if ($async$result.get$isTruthy()) {
  	                clause = clauseToCheck;
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = A.NullableExtension_andThen(clause, new A._EvaluateVisitor_visitIfRule_closure0($async$self));
  	              $async$goto = 7;
  	              return A._asyncAwait(type$.Future_nullable_Value._is(t1) ? t1 : A._Future$value(t1, type$.nullable_Value), $async$visitIfRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfRule$1, $async$completer);
  	    },
  	    visitImportRule$1(_, node) {
  	      return this.visitImportRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitImportRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i, $import;
  	      var $async$visitImportRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.imports, t2 = t1.length, t3 = type$.StaticImport, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $import = t1[_i];
  	              $async$goto = $import instanceof A.DynamicImport ? 6 : 8;
  	              break;
  	            case 6:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate$_visitDynamicImport$1($import), $async$visitImportRule$1);
  	            case 9:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // else
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._visitStaticImport$1(t3._as($import)), $async$visitImportRule$1);
  	            case 10:
  	              // returning from await.
  	            case 7:
  	              // join
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitImportRule$1, $async$completer);
  	    },
  	    _async_evaluate$_visitDynamicImport$1($import) {
  	      return this._async_evaluate$_withStackFrame$1$3("@import", $import, new A._EvaluateVisitor__visitDynamicImport_closure0(this, $import), type$.void);
  	    },
  	    _async_evaluate$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, forImport) {
  	      return this._loadStylesheet$body$_EvaluateVisitor(url, span, baseUrl, forImport);
  	    },
  	    _async_evaluate$_loadStylesheet$3$baseUrl(url, span, baseUrl) {
  	      return this._async_evaluate$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, false);
  	    },
  	    _async_evaluate$_loadStylesheet$3$forImport(url, span, forImport) {
  	      return this._async_evaluate$_loadStylesheet$4$baseUrl$forImport(url, span, null, forImport);
  	    },
  	    _loadStylesheet$body$_EvaluateVisitor(url, span, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, _0_0, importCache, _1_0, importer, canonicalUrl, originalUrl, isDependency, _2_0, stylesheet, error, stackTrace, error0, stackTrace0, t1, t2, $async$exception;
  	      var $async$_async_evaluate$_loadStylesheet$4$baseUrl$forImport = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              baseUrl = baseUrl;
  	              $async$handler = 4;
  	              $async$self._async_evaluate$_importSpan = span;
  	              _0_0 = $async$self._async_evaluate$_importCache;
  	              importCache = null;
  	              $async$goto = _0_0 != null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              importCache = _0_0;
  	              if (baseUrl == null) {
  	                t1 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").span;
  	                baseUrl = t1.get$sourceUrl(t1);
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(J.canonicalize$4$baseImporter$baseUrl$forImport$x(importCache, A.Uri_parse(url), $async$self._async_evaluate$_importer, baseUrl, forImport), $async$_async_evaluate$_loadStylesheet$4$baseUrl$forImport);
  	            case 9:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              importer = null;
  	              canonicalUrl = null;
  	              originalUrl = null;
  	              $async$goto = type$.Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl._is(_1_0) ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              importer = _1_0._0;
  	              canonicalUrl = _1_0._1;
  	              originalUrl = _1_0._2;
  	              if (canonicalUrl.get$scheme() === "")
  	                A.WarnForDeprecation_warnForDeprecation($async$self._async_evaluate$_logger, B.Deprecation_IqB, "Importer " + A.S(importer) + " canonicalized " + url + " to " + A.S(canonicalUrl) + string$.x2e_Rela, null, null);
  	              $async$self._async_evaluate$_loadedUrls.add$1(0, canonicalUrl);
  	              isDependency = $async$self._async_evaluate$_inDependency || !J.$eq$(importer, $async$self._async_evaluate$_importer);
  	              $async$goto = 12;
  	              return A._asyncAwait(importCache.importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl), $async$_async_evaluate$_loadStylesheet$4$baseUrl$forImport);
  	            case 12:
  	              // returning from await.
  	              _2_0 = $async$result;
  	              stylesheet = null;
  	              if (_2_0 != null) {
  	                stylesheet = _2_0;
  	                t1 = stylesheet;
  	                t2 = importer;
  	                $async$returnValue = new A._Record_3_importer_isDependency(t1, t2, isDependency);
  	                $async$next = [1];
  	                // goto finally
  	                $async$goto = 5;
  	                break;
  	              }
  	            case 11:
  	              // join
  	            case 8:
  	              // join
  	              t1 = B.JSString_methods.startsWith$1(url, "package:");
  	              if (t1)
  	                throw A.wrapException(string$.x22packa);
  	              else
  	                throw A.wrapException("Can't find stylesheet to import.");
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException)
  	                throw $async$exception;
  	              else if (t1 instanceof A.ArgumentError) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace($async$self._async_evaluate$_exception$1(J.toString$0$(error)), error, stackTrace);
  	              } else {
  	                error0 = t1;
  	                stackTrace0 = A.getTraceFromException($async$exception);
  	                A.throwWithTrace($async$self._async_evaluate$_exception$1($async$self._async_evaluate$_getErrorMessage$1(error0)), error0, stackTrace0);
  	              }
  	              $async$next.push(6);
  	              // goto finally
  	              $async$goto = 5;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [2];
  	            case 5:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_evaluate$_importSpan = null;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_loadStylesheet$4$baseUrl$forImport, $async$completer);
  	    },
  	    _visitStaticImport$1($import) {
  	      return this._visitStaticImport$body$_EvaluateVisitor($import);
  	    },
  	    _visitStaticImport$body$_EvaluateVisitor($import) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, node, $async$temp1, $async$temp2;
  	      var $async$_visitStaticImport$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate$_interpolationToValue$1($import.url), $async$_visitStaticImport$1);
  	            case 2:
  	              // returning from await.
  	              t1 = $async$result;
  	              t2 = A.NullableExtension_andThen($import.modifiers, $async$self.get$_async_evaluate$_interpolationToValue());
  	              $async$temp1 = A;
  	              $async$temp2 = t1;
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_nullable_CssValue_String._is(t2) ? t2 : A._Future$value(t2, type$.nullable_CssValue_String), $async$_visitStaticImport$1);
  	            case 3:
  	              // returning from await.
  	              node = new $async$temp1.ModifiableCssImport($async$temp2, $async$result, $import.span);
  	              if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") !== $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root")) {
  	                $async$self._async_evaluate$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(node);
  	              } else if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").children._collection$_source)) {
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").addChild$1(node);
  	                $async$self._async_evaluate$__endOfImports = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") + 1;
  	              } else {
  	                t1 = $async$self._async_evaluate$_outOfOrderImports;
  	                (t1 == null ? $async$self._async_evaluate$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport) : t1).push(node);
  	              }
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_visitStaticImport$1, $async$completer);
  	    },
  	    _async_evaluate$_applyMixin$5(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      return this._applyMixin$body$_EvaluateVisitor(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent);
  	    },
  	    _applyMixin$body$_EvaluateVisitor(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, _0_0, t2, _1_8, t3;
  	      var $async$_async_evaluate$_applyMixin$5 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (mixin == null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2("Undefined mixin.", nodeWithSpan.get$span(nodeWithSpan)));
  	              t1 = type$.AsyncBuiltInCallable._is(mixin);
  	              $async$goto = t1 && !mixin.get$acceptsContent() && contentCallable != null ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_evaluateArguments$1($arguments), $async$_async_evaluate$_applyMixin$5);
  	            case 5:
  	              // returning from await.
  	              t1 = $async$result._values;
  	              _0_0 = mixin.callbackFor$2(J.get$length$asx(t1[2]), new A.MapKeySet(t1[0], type$.MapKeySet_String));
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$("Mixin doesn't accept a content block.", nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_0_0._0.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), null));
  	            case 4:
  	              // join
  	              $async$goto = t1 ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate$_environment.withContent$2(contentCallable, new A._EvaluateVisitor__applyMixin_closure1($async$self, $arguments, mixin, nodeWithSpanWithoutContent)), $async$_async_evaluate$_applyMixin$5);
  	            case 8:
  	              // returning from await.
  	              // goto break $label0$0
  	              $async$goto = 2;
  	              break;
  	            case 7:
  	              // join
  	              t1 = type$.UserDefinedCallable_AsyncEnvironment._is(mixin);
  	              t2 = false;
  	              if (t1) {
  	                _1_8 = mixin.declaration;
  	                t3 = _1_8;
  	                if (t3 instanceof A.MixinRule)
  	                  t2 = !type$.MixinRule._as(_1_8).get$hasContent() && contentCallable != null;
  	              }
  	              if (t2)
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$("Mixin doesn't accept a content block.", nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([mixin.declaration.parameters.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), null));
  	              $async$goto = t1 ? 9 : 10;
  	              break;
  	            case 9:
  	              // then
  	              $async$goto = 11;
  	              return A._asyncAwait($async$self._async_evaluate$_runUserDefinedCallable$1$4($arguments, mixin, nodeWithSpanWithoutContent, new A._EvaluateVisitor__applyMixin_closure2($async$self, contentCallable, mixin, nodeWithSpanWithoutContent), type$.Null), $async$_async_evaluate$_applyMixin$5);
  	            case 11:
  	              // returning from await.
  	              // goto break $label0$0
  	              $async$goto = 2;
  	              break;
  	            case 10:
  	              // join
  	              throw A.wrapException(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	            case 2:
  	              // break $label0$0
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_applyMixin$5, $async$completer);
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return this.visitIncludeRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIncludeRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, mixin;
  	      var $async$visitIncludeRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              mixin = $async$self._async_evaluate$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitIncludeRule_closure2($async$self, node));
  	              if (B.JSString_methods.startsWith$1(node.originalName, "--") && mixin instanceof A.UserDefinedCallable && !B.JSString_methods.startsWith$1(mixin.declaration.originalName, "--"))
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Sass__m, node.get$nameSpan()));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_applyMixin$5(mixin, A.NullableExtension_andThen(node.content, new A._EvaluateVisitor_visitIncludeRule_closure3($async$self)), node.$arguments, node, new A._FakeAstNode(new A._EvaluateVisitor_visitIncludeRule_closure4(node))), $async$visitIncludeRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIncludeRule$1, $async$completer);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return this.visitMixinRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitMixinRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, index, t5;
  	      var $async$visitMixinRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate$_environment;
  	              t2 = t1.closure$0();
  	              t3 = $async$self._async_evaluate$_inDependency;
  	              t4 = t1._async_environment$_mixins;
  	              index = t4.length - 1;
  	              t5 = node.name;
  	              t1._async_environment$_mixinIndices.$indexSet(0, t5, index);
  	              t4[index].$indexSet(0, t5, new A.UserDefinedCallable(node, t2, t3, type$.UserDefinedCallable_AsyncEnvironment));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMixinRule$1, $async$completer);
  	    },
  	    visitLoudComment$1(_, node) {
  	      return this.visitLoudComment$body$_EvaluateVisitor(0, node);
  	    },
  	    visitLoudComment$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, text;
  	      var $async$visitLoudComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_inFunction) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") === $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root") && $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").children._collection$_source))
  	                $async$self._async_evaluate$__endOfImports = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") + 1;
  	              t1 = node.text;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(t1), $async$visitLoudComment$1);
  	            case 3:
  	              // returning from await.
  	              text = $async$result;
  	              if (!B.JSString_methods.endsWith$1(text, "*/"))
  	                text += " */";
  	              $async$self._async_evaluate$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(new A.ModifiableCssComment(text, t1.span));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitLoudComment$1, $async$completer);
  	    },
  	    visitMediaRule$1(_, node) {
  	      return this.visitMediaRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitMediaRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, queries, mergedQueries, t1, mergedSources, t2, t3;
  	      var $async$visitMediaRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Media_, node.span));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._visitMediaQueries$1(node.query), $async$visitMediaRule$1);
  	            case 3:
  	              // returning from await.
  	              queries = $async$result;
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$(queries, node.span), new A._EvaluateVisitor_visitMediaRule_closure3($async$self, node), false, type$.ModifiableCssMediaRule, type$.Null), $async$visitMediaRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              mergedQueries = A.NullableExtension_andThen($async$self._async_evaluate$_mediaQueries, new A._EvaluateVisitor_visitMediaRule_closure4($async$self, queries));
  	              t1 = mergedQueries == null;
  	              if (!t1 && J.get$isEmpty$asx(mergedQueries)) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (t1)
  	                mergedSources = B.Set_empty2;
  	              else {
  	                t2 = $async$self._async_evaluate$_mediaQuerySources;
  	                t2.toString;
  	                t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery);
  	                t3 = $async$self._async_evaluate$_mediaQueries;
  	                t3.toString;
  	                t2.addAll$1(0, t3);
  	                t2.addAll$1(0, queries);
  	                mergedSources = t2;
  	              }
  	              t1 = t1 ? queries : mergedQueries;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$(t1, node.span), new A._EvaluateVisitor_visitMediaRule_closure5($async$self, mergedQueries, queries, mergedSources, node), node.hasDeclarations, new A._EvaluateVisitor_visitMediaRule_closure6(mergedSources), type$.ModifiableCssMediaRule, type$.Null), $async$visitMediaRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMediaRule$1, $async$completer);
  	    },
  	    _visitMediaQueries$1(interpolation) {
  	      return this._visitMediaQueries$body$_EvaluateVisitor(interpolation);
  	    },
  	    _visitMediaQueries$body$_EvaluateVisitor(interpolation) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.List_CssMediaQuery),
  	        $async$returnValue, $async$self = this, _0_0, resolved, map;
  	      var $async$_visitMediaQueries$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationWithMap$2$warnForColor(interpolation, true), $async$_visitMediaQueries$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              resolved = _0_0._0;
  	              map = _0_0._1;
  	              $async$returnValue = new A.MediaQueryParser(A.SpanScanner$(resolved, null), map).parse$0(0);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_visitMediaQueries$1, $async$completer);
  	    },
  	    _async_evaluate$_mergeMediaQueries$2(queries1, queries2) {
  	      var t1, t2, t3, t4, _0_0, t5, result,
  	        queries = A._setArrayType([], type$.JSArray_CssMediaQuery);
  	      for (t1 = J.get$iterator$ax(queries1), t2 = J.getInterceptor$ax(queries2); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        for (t4 = t2.get$iterator(queries2); t4.moveNext$0();) {
  	          _0_0 = t3.merge$1(t4.get$current(t4));
  	          if (B._SingletonCssMediaQueryMergeResult_0 === _0_0)
  	            continue;
  	          if (B._SingletonCssMediaQueryMergeResult_1 === _0_0)
  	            return null;
  	          t5 = _0_0 instanceof A.MediaQuerySuccessfulMergeResult;
  	          result = t5 ? _0_0 : null;
  	          if (t5)
  	            queries.push(result.query);
  	        }
  	      }
  	      return queries;
  	    },
  	    visitReturnRule$1(_, node) {
  	      return this.visitReturnRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitReturnRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t1, t2;
  	      var $async$visitReturnRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.expression;
  	              t2 = t1.accept$1($async$self);
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value._is(t2) ? t2 : A._Future$value(t2, type$.Value), $async$visitReturnRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate$_withoutSlash$2($async$result, t1);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitReturnRule$1, $async$completer);
  	    },
  	    visitSilentComment$1(_, node) {
  	      return this.visitSilentComment$body$_EvaluateVisitor(0, node);
  	    },
  	    visitSilentComment$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue;
  	      var $async$visitSilentComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSilentComment$1, $async$completer);
  	    },
  	    visitStyleRule$1(_, node) {
  	      return this.visitStyleRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitStyleRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, _0_0, selectorText, selectorMap, parsedSelector, _1_0, t2, t3, _i, _2_0, first, t4, rule, oldAtRootExcludingStyleRule;
  	      var $async$visitStyleRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Style_n, node.span));
  	              else if ($async$self._async_evaluate$_inKeyframes && $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") instanceof A.ModifiableCssKeyframeBlock)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Style_k, node.span));
  	              t1 = node.selector;
  	              t1.toString;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationWithMap$2$warnForColor(t1, true), $async$visitStyleRule$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              selectorText = _0_0._0;
  	              selectorMap = _0_0._1;
  	              $async$goto = $async$self._async_evaluate$_inKeyframes ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$(new A.CssValue(A.List_List$unmodifiable(new A.KeyframeSelectorParser(A.SpanScanner$(selectorText, null), selectorMap).parse$0(0), type$.String), t1.span, type$.CssValue_List_String), node.span), new A._EvaluateVisitor_visitStyleRule_closure3($async$self, node), node.hasDeclarations, new A._EvaluateVisitor_visitStyleRule_closure4(), type$.ModifiableCssKeyframeBlock, type$.Null), $async$visitStyleRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              parsedSelector = A.SelectorList_SelectorList$parse(selectorText, true, selectorMap, $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss);
  	              _1_0 = $async$self._async_evaluate$_atRootExcludingStyleRule ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $label0$0: {
  	                if (_1_0 == null) {
  	                  t1 = true;
  	                  break $label0$0;
  	                }
  	                if (_1_0.fromPlainCss) {
  	                  t1 = false;
  	                  break $label0$0;
  	                }
  	                t1 = !($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss && parsedSelector.accept$1(B.C__ContainsParentSelectorVisitor));
  	                break $label0$0;
  	              }
  	              if (t1) {
  	                if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss)
  	                  for (t2 = parsedSelector.components, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	                    _2_0 = t2[_i].leadingCombinators;
  	                    if (_2_0.length >= 1) {
  	                      first = _2_0[0];
  	                      t4 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss;
  	                    } else {
  	                      first = null;
  	                      t4 = false;
  	                    }
  	                    if (t4)
  	                      throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Top_le, first.span));
  	                  }
  	                t2 = $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	                t2 = t2 == null ? null : t2.originalSelector;
  	                parsedSelector = parsedSelector.nestWithin$3$implicitParent$preserveParentSelectors(t2, !$async$self._async_evaluate$_atRootExcludingStyleRule, $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss);
  	              }
  	              rule = A.ModifiableCssStyleRule$($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__extensionStore, "_extensionStore").addSelector$2(parsedSelector, $async$self._async_evaluate$_mediaQueries), node.span, $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss, parsedSelector);
  	              oldAtRootExcludingStyleRule = $async$self._async_evaluate$_atRootExcludingStyleRule;
  	              t2 = $async$self._async_evaluate$_atRootExcludingStyleRule = false;
  	              t1 = t1 ? new A._EvaluateVisitor_visitStyleRule_closure5() : null;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitStyleRule_closure6($async$self, rule, node), node.hasDeclarations, t1, type$.ModifiableCssStyleRule, type$.Null), $async$visitStyleRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$self._async_evaluate$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              $async$self._async_evaluate$_warnForBogusCombinators$1(rule);
  	              if (($async$self._async_evaluate$_atRootExcludingStyleRule ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot) == null) {
  	                t1 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").children;
  	                t1 = !t1.get$isEmpty(t1);
  	              } else
  	                t1 = t2;
  	              if (t1) {
  	                t1 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").children;
  	                t1.get$last(t1).isGroupEnd = true;
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStyleRule$1, $async$completer);
  	    },
  	    _async_evaluate$_warnForBogusCombinators$1(rule) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, t8, t9, _this = this, _null = null;
  	      if (!rule.accept$1(B._IsInvisibleVisitor_false_false))
  	        for (t1 = rule._style_rule$_selector._box$_inner.value.components, t2 = t1.length, t3 = type$.SourceSpan, t4 = type$.String, t5 = rule.children, _i = 0; _i < t2; ++_i) {
  	          complex = t1[_i];
  	          if (!complex.accept$1(B._IsBogusVisitor_true))
  	            continue;
  	          if (complex.accept$1(B.C__IsUselessVisitor)) {
  	            visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            _this._async_evaluate$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0)) + string$.x22x20is_ix20, A.SpanExtensions_trimRight(complex.span), B.Deprecation_0rM);
  	          } else if (complex.leadingCombinators.length !== 0) {
  	            if (!_this._async_evaluate$_assertInModule$2(_this._async_evaluate$__stylesheet, "_stylesheet").plainCss) {
  	              visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	              complex.accept$1(visitor);
  	              _this._async_evaluate$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0)) + string$.x22x20is_ix0a, A.SpanExtensions_trimRight(complex.span), B.Deprecation_0rM);
  	            }
  	          } else {
  	            visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            t6 = B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0));
  	            t7 = complex.accept$1(B._IsBogusVisitor_false) ? string$.x20It_wi : "";
  	            t8 = A.SpanExtensions_trimRight(complex.span);
  	            if (t5.get$length(0) === 0)
  	              A.throwExpression(A.IterableElementError_noElement());
  	            t9 = J.get$span$x(t5.$index(0, 0));
  	            _this._async_evaluate$_warn$3('The selector "' + t6 + string$.x22x20is_o + t7 + string$.x0aThis_, new A.MultiSpan(t8, "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t9, "this is not a style rule" + (t5.every$1(t5, new A._EvaluateVisitor__warnForBogusCombinators_closure0()) ? "\n(try converting to a //-style comment)" : "")], t3, t4), t3, t4)), B.Deprecation_0rM);
  	          }
  	        }
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return this.visitSupportsRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitSupportsRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, rule, $async$temp1, $async$temp2;
  	      var $async$visitSupportsRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Suppor, node.span));
  	              t1 = node.condition;
  	              $async$temp1 = A;
  	              $async$temp2 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_visitSupportsCondition$1(t1), $async$visitSupportsRule$1);
  	            case 3:
  	              // returning from await.
  	              rule = $async$temp1.ModifiableCssSupportsRule$(new $async$temp2.CssValue($async$result, t1.get$span(t1), type$.CssValue_String), node.span);
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitSupportsRule_closure2($async$self, node), node.hasDeclarations, type$.ModifiableCssSupportsRule, type$.Null), $async$visitSupportsRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitSupportsRule_closure3($async$self, node), node.hasDeclarations, new A._EvaluateVisitor_visitSupportsRule_closure4(), type$.ModifiableCssSupportsRule, type$.Null), $async$visitSupportsRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSupportsRule$1, $async$completer);
  	    },
  	    _async_evaluate$_visitSupportsCondition$1(condition) {
  	      return this._visitSupportsCondition$body$_EvaluateVisitor(condition);
  	    },
  	    _visitSupportsCondition$body$_EvaluateVisitor(condition) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, $async$temp1, $async$temp2;
  	      var $async$_async_evaluate$_visitSupportsCondition$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = condition instanceof A.SupportsOperation ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              t1 = condition.operator;
  	              $async$temp1 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_parenthesize$2(condition.left, t1), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 6:
  	              // returning from await.
  	              $async$temp1 = $async$temp1.S($async$result) + " " + t1.toString$0(0) + " ";
  	              $async$temp2 = A;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_parenthesize$2(condition.right, t1), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$temp1 + $async$temp2.S($async$result);
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // join
  	              $async$goto = condition instanceof A.SupportsNegation ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate$_parenthesize$1(condition.condition), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 10:
  	              // returning from await.
  	              t1 = "not " + $async$temp1.S($async$result);
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 9:
  	              // join
  	              $async$goto = condition instanceof A.SupportsInterpolation ? 11 : 12;
  	              break;
  	            case 11:
  	              // then
  	              $async$goto = 13;
  	              return A._asyncAwait($async$self._evaluateToCss$2$quote(condition.expression, false), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 13:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 12:
  	              // join
  	              t1 = {};
  	              t1.declaration = null;
  	              $async$goto = condition instanceof A.SupportsDeclaration ? 14 : 15;
  	              break;
  	            case 14:
  	              // then
  	              t1.declaration = condition;
  	              $async$goto = 16;
  	              return A._asyncAwait($async$self._async_evaluate$_withSupportsDeclaration$1$1(new A._EvaluateVisitor__visitSupportsCondition_closure0(t1, $async$self), type$.String), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 16:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 15:
  	              // join
  	              $async$goto = condition instanceof A.SupportsFunction ? 17 : 18;
  	              break;
  	            case 17:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 19;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(condition.name), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 19:
  	              // returning from await.
  	              $async$temp1 = $async$temp1.S($async$result) + "(";
  	              $async$temp2 = A;
  	              $async$goto = 20;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(condition.$arguments), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 20:
  	              // returning from await.
  	              t1 = $async$temp1 + $async$temp2.S($async$result) + ")";
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 18:
  	              // join
  	              $async$goto = condition instanceof A.SupportsAnything ? 21 : 22;
  	              break;
  	            case 21:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 23;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(condition.contents), $async$_async_evaluate$_visitSupportsCondition$1);
  	            case 23:
  	              // returning from await.
  	              t1 = "(" + $async$temp1.S($async$result) + ")";
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 22:
  	              // join
  	              t1 = A.throwExpression(A.ArgumentError$("Unknown supports condition type " + A.getRuntimeTypeOfDartObject(condition).toString$0(0) + ".", null));
  	            case 3:
  	              // break $label0$0
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_visitSupportsCondition$1, $async$completer);
  	    },
  	    _async_evaluate$_withSupportsDeclaration$1$1(callback, $T) {
  	      return this._withSupportsDeclaration$body$_EvaluateVisitor(callback, $T, $T);
  	    },
  	    _withSupportsDeclaration$body$_EvaluateVisitor(callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, t1, oldInSupportsDeclaration;
  	      var $async$_async_evaluate$_withSupportsDeclaration$1$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInSupportsDeclaration = $async$self._async_evaluate$_inSupportsDeclaration;
  	              $async$self._async_evaluate$_inSupportsDeclaration = true;
  	              $async$handler = 3;
  	              t1 = callback.call$0();
  	              $async$goto = 6;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_async_evaluate$_withSupportsDeclaration$1$1);
  	            case 6:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 4;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [2];
  	            case 4:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_evaluate$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 5:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withSupportsDeclaration$1$1, $async$completer);
  	    },
  	    _async_evaluate$_parenthesize$2(condition, operator) {
  	      return this._parenthesize$body$_EvaluateVisitor(condition, operator);
  	    },
  	    _async_evaluate$_parenthesize$1(condition) {
  	      return this._async_evaluate$_parenthesize$2(condition, null);
  	    },
  	    _parenthesize$body$_EvaluateVisitor(condition, operator) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, $async$temp1;
  	      var $async$_async_evaluate$_parenthesize$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (!(condition instanceof A.SupportsNegation))
  	                if (condition instanceof A.SupportsOperation)
  	                  t1 = operator == null || operator !== condition.operator;
  	                else
  	                  t1 = false;
  	              else
  	                t1 = true;
  	              $async$goto = t1 ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_visitSupportsCondition$1(condition), $async$_async_evaluate$_parenthesize$2);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = "(" + $async$temp1.S($async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_visitSupportsCondition$1(condition), $async$_async_evaluate$_parenthesize$2);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_parenthesize$2, $async$completer);
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      return this.visitVariableDeclaration$body$_EvaluateVisitor(0, node);
  	    },
  	    visitVariableDeclaration$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, value, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitVariableDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (node.isGuarded) {
  	                if (node.namespace == null && $async$self._async_evaluate$_environment._async_environment$_variables.length === 1) {
  	                  t1 = node.name;
  	                  $async$self._async_evaluate$_environment._async_environment$_configurableVariables.add$1(0, t1);
  	                  t2 = $async$self._async_evaluate$_configuration._configuration$_values;
  	                  _0_0 = t2.get$isEmpty(t2) ? null : t2.remove$1(0, t1);
  	                  t1 = {};
  	                  t1.override = null;
  	                  if (_0_0 != null) {
  	                    t1.override = _0_0;
  	                    t2 = !_0_0.value.$eq(0, B.C__SassNull);
  	                  } else
  	                    t2 = false;
  	                  if (t2) {
  	                    $async$self._async_evaluate$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure2(t1, $async$self, node));
  	                    $async$returnValue = null;
  	                    // goto return
  	                    $async$goto = 1;
  	                    break;
  	                  }
  	                }
  	                value = $async$self._async_evaluate$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure3($async$self, node));
  	                if (value != null && !value.$eq(0, B.C__SassNull)) {
  	                  $async$returnValue = null;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	              }
  	              if (node.isGlobal && !$async$self._async_evaluate$_environment.globalVariableExists$1(node.name)) {
  	                t1 = $async$self._async_evaluate$_environment._async_environment$_variables.length === 1 ? string$.As_of_S : string$.As_of_R + A.declarationName(node.span) + ": null` at the stylesheet root.";
  	                $async$self._async_evaluate$_warn$3(t1, node.span, B.Deprecation_jGw);
  	              }
  	              t1 = node.expression;
  	              t2 = t1.accept$1($async$self);
  	              $async$temp1 = node;
  	              $async$temp2 = A;
  	              $async$temp3 = node;
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value._is(t2) ? t2 : A._Future$value(t2, type$.Value), $async$visitVariableDeclaration$1);
  	            case 3:
  	              // returning from await.
  	              $async$self._async_evaluate$_addExceptionSpan$2($async$temp1, new $async$temp2._EvaluateVisitor_visitVariableDeclaration_closure4($async$self, $async$temp3, $async$self._async_evaluate$_withoutSlash$2($async$result, t1)));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitVariableDeclaration$1, $async$completer);
  	    },
  	    visitUseRule$1(_, node) {
  	      return this.visitUseRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitUseRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, values, t3, t4, _i, variable, t5, variableNodeWithSpan, t6, configuration, t1, t2, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitUseRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.configuration;
  	              t2 = t1.length;
  	              $async$goto = t2 !== 0 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue);
  	              t3 = type$._Future_Value, t4 = type$.Future_Value, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              variable = t1[_i];
  	              t5 = variable.expression;
  	              variableNodeWithSpan = $async$self._async_evaluate$_expressionNode$1(t5);
  	              t5 = t5.accept$1($async$self);
  	              if (!t4._is(t5)) {
  	                t6 = new A._Future($.Zone__current, t3);
  	                t6._state = 8;
  	                t6._resultOrListeners = t5;
  	                t5 = t6;
  	              }
  	              $async$temp1 = values;
  	              $async$temp2 = variable.name;
  	              $async$temp3 = A;
  	              $async$goto = 9;
  	              return A._asyncAwait(t5, $async$visitUseRule$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, new $async$temp3.ConfiguredValue($async$self._async_evaluate$_withoutSlash$2($async$result, variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	              configuration = new A.ExplicitConfiguration(node, values, null);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              configuration = B.Configuration_Map_empty_null;
  	            case 4:
  	              // join
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate$_loadModule$5$configuration(node.url, "@use", node, new A._EvaluateVisitor_visitUseRule_closure0($async$self, node), configuration), $async$visitUseRule$1);
  	            case 10:
  	              // returning from await.
  	              $async$self._async_evaluate$_assertConfigurationIsEmpty$1(configuration);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitUseRule$1, $async$completer);
  	    },
  	    visitWarnRule$1(_, node) {
  	      return this.visitWarnRule$body$_EvaluateVisitor(0, node);
  	    },
  	    visitWarnRule$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, value, t1, t2;
  	      var $async$visitWarnRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor_visitWarnRule_closure0($async$self, node), type$.Value), $async$visitWarnRule$1);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              t1 = value instanceof A.SassString ? value._string$_text : $async$self._async_evaluate$_serialize$2(value, node.expression);
  	              t2 = $async$self._async_evaluate$_stackTrace$1(node.span);
  	              $async$self._async_evaluate$_logger.internalWarn$4$deprecation$span$trace(t1, null, null, t2);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitWarnRule$1, $async$completer);
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this._async_evaluate$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitWhileRule_closure0(this, node), true, node.hasDeclarations, type$.nullable_Value);
  	    },
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, _this = this;
  	      if (_this._async_evaluate$_assertInModule$2(_this._async_evaluate$__stylesheet, "_stylesheet").plainCss) {
  	        t1 = node.operator;
  	        t1 = t1 !== B.BinaryOperator_g6F && t1 !== B.BinaryOperator_ehp;
  	      } else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(_this._async_evaluate$_exception$2("Operators aren't allowed in plain CSS.", node.get$operatorSpan()));
  	      return _this._addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor_visitBinaryOperationExpression_closure0(_this, node), type$.Value);
  	    },
  	    _async_evaluate$_slash$3(left, right, node) {
  	      var left0, _1_2,
  	        result = left.dividedBy$1(right),
  	        _1_2_isSet = left instanceof A.SassNumber,
  	        right0 = null,
  	        t1 = false;
  	      if (_1_2_isSet) {
  	        if (right instanceof A.SassNumber) {
  	          t1 = node.allowsSlash && this._async_evaluate$_operandAllowsSlash$1(node.left) && this._async_evaluate$_operandAllowsSlash$1(node.right);
  	          right0 = right;
  	        }
  	        left0 = left;
  	        _1_2 = right;
  	      } else {
  	        _1_2 = null;
  	        left0 = null;
  	      }
  	      if (t1)
  	        return type$.SassNumber._as(result).withSlash$2(left0, right0);
  	      if (left instanceof A.SassNumber)
  	        t1 = (_1_2_isSet ? _1_2 : right) instanceof A.SassNumber;
  	      else
  	        t1 = false;
  	      if (t1) {
  	        this._async_evaluate$_warn$3(string$.Using__o + A.S(new A._EvaluateVisitor__slash_recommendation0().call$1(node)) + " or " + A.expressionToCalc(node).toString$0(0) + string$.x0a_Morex20, node.get$span(0), B.Deprecation_qZ1);
  	        return result;
  	      }
  	      return result;
  	    },
  	    _async_evaluate$_operandAllowsSlash$1(node) {
  	      var t1;
  	      if (node instanceof A.FunctionExpression)
  	        if (node.namespace == null) {
  	          t1 = node.name;
  	          t1 = B.Set_Pr3yj.contains$1(0, t1.toLowerCase()) && this._async_evaluate$_environment.getFunction$1(t1) == null;
  	        } else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return this.visitValueExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitValueExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue;
  	      var $async$visitValueExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitValueExpression$1, $async$completer);
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return this.visitVariableExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitVariableExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, result;
  	      var $async$visitVariableExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              result = $async$self._async_evaluate$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableExpression_closure0($async$self, node));
  	              if (result != null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              throw A.wrapException($async$self._async_evaluate$_exception$2("Undefined variable.", node.span));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitVariableExpression$1, $async$completer);
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return this.visitUnaryOperationExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitUnaryOperationExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitUnaryOperationExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = node;
  	              $async$temp2 = A;
  	              $async$temp3 = node;
  	              $async$goto = 3;
  	              return A._asyncAwait(node.operand.accept$1($async$self), $async$visitUnaryOperationExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate$_addExceptionSpan$2($async$temp1, new $async$temp2._EvaluateVisitor_visitUnaryOperationExpression_closure0($async$temp3, $async$result));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitUnaryOperationExpression$1, $async$completer);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return this.visitBooleanExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitBooleanExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassBoolean),
  	        $async$returnValue;
  	      var $async$visitBooleanExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value ? B.SassBoolean_true : B.SassBoolean_false;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitBooleanExpression$1, $async$completer);
  	    },
  	    visitIfExpression$1(_, node) {
  	      return this.visitIfExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, results, _i, t7, condition, expression, t8, result, _1_2, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitIfExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.branches, t2 = t1.length, t3 = type$._Future_nullable_Object, t4 = type$._Future_Value, t5 = type$.Future_Value, t6 = type$.JSArray_Record_2_String_and_Value, results = null, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t7 = t1[_i];
  	              condition = t7._0;
  	              expression = t7._1;
  	              t7 = condition == null ? null : condition.accept$1($async$self);
  	              if (!(t7 instanceof A._Future)) {
  	                t8 = new A._Future($.Zone__current, t3);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              if (result == null)
  	                result = true;
  	              t7 = typeof result == "string";
  	              condition = t7 ? result : null;
  	              $async$goto = t7 ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              if (results == null)
  	                results = A._setArrayType([], t6);
  	              t7 = expression.accept$1($async$self);
  	              if (!t5._is(t7)) {
  	                t8 = new A._Future($.Zone__current, t4);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$temp1 = results;
  	              $async$temp2 = A;
  	              $async$temp3 = condition;
  	              $async$goto = 9;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.push(new $async$temp2._Record_2($async$temp3, $async$result));
  	              // goto for update
  	              $async$goto = 4;
  	              break;
  	            case 8:
  	              // join
  	              _1_2 = true === result;
  	              $async$goto = _1_2 && results != null ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              t7 = expression.accept$1($async$self);
  	              if (!t5._is(t7)) {
  	                t8 = new A._Future($.Zone__current, t4);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$temp1 = results;
  	              $async$temp2 = A;
  	              $async$goto = 12;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 12:
  	              // returning from await.
  	              $async$temp1.push(new $async$temp2._Record_2("else", $async$result));
  	              // goto for update
  	              $async$goto = 4;
  	              break;
  	            case 11:
  	              // join
  	              $async$goto = _1_2 ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              t1 = expression.accept$1($async$self);
  	              if (!t5._is(t1)) {
  	                t2 = new A._Future($.Zone__current, t4);
  	                t2._state = 8;
  	                t2._resultOrListeners = t1;
  	                t1 = t2;
  	              }
  	              $async$goto = 15;
  	              return A._asyncAwait(t1, $async$visitIfExpression$1);
  	            case 15:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 14:
  	              // join
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              if (results == null) {
  	                $async$returnValue = B.C__SassNull;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$returnValue = new A.SassString("if(" + new A.MappedListIterable(results, new A._EvaluateVisitor_visitIfExpression_closure0(), A._arrayInstanceType(results)._eval$1("MappedListIterable<1,String>")).join$1(0, "; ") + ")", false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfExpression$1, $async$completer);
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return this.visitIfConditionParenthesized$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionParenthesized$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, _0_0;
  	      var $async$visitIfConditionParenthesized$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionParenthesized$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label0$0: {
  	                if (typeof _0_0 == "string") {
  	                  t1 = "(" + _0_0 + ")";
  	                  break $label0$0;
  	                }
  	                t1 = _0_0;
  	                break $label0$0;
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionParenthesized$1, $async$completer);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return this.visitIfConditionNegation$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionNegation$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, _0_0;
  	      var $async$visitIfConditionNegation$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionNegation$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label0$0: {
  	                if (typeof _0_0 == "string") {
  	                  t1 = "not " + _0_0;
  	                  break $label0$0;
  	                }
  	                if (A._isBool(_0_0)) {
  	                  t1 = !_0_0;
  	                  break $label0$0;
  	                }
  	                t1 = A.throwExpression(A.UnsupportedError$("unreachable"));
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionNegation$1, $async$completer);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      return this.visitIfConditionOperation$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionOperation$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, values, _i, expression, _0_0, t7, right, _1_6_isSet, _1_6, string;
  	      var $async$visitIfConditionOperation$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.expressions, t2 = t1.length, t3 = node.op, t4 = t3 === B.BooleanOperator_0, t5 = t3 === B.BooleanOperator_1, t6 = type$.JSArray_Record_2_IfConditionExpression_and_String, values = null, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              expression = t1[_i];
  	              $async$goto = 6;
  	              return A._asyncAwait(expression.accept$1($async$self), $async$visitIfConditionOperation$1);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              t7 = typeof _0_0 == "string";
  	              right = t7 ? _0_0 : null;
  	              if (t7) {
  	                if (values == null)
  	                  values = A._setArrayType([], t6);
  	                values.push(new A._Record_2(expression, right));
  	                // goto for update
  	                $async$goto = 4;
  	                break;
  	              }
  	              if (false === _0_0 && t4) {
  	                $async$returnValue = false;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (true === _0_0 && t5) {
  	                $async$returnValue = true;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $label0$1: {
  	                if (values == null) {
  	                  t1 = t4;
  	                  break $label0$1;
  	                }
  	                _1_6_isSet = values.length === 1;
  	                if (_1_6_isSet) {
  	                  _1_6 = values[0];
  	                  t1 = _1_6._0 instanceof A.IfConditionParenthesized;
  	                } else {
  	                  _1_6 = null;
  	                  t1 = false;
  	                }
  	                if (t1) {
  	                  string = (_1_6_isSet ? _1_6 : values[0])._1;
  	                  t1 = B.JSString_methods.substring$2(string, 1, string.length - 1);
  	                  break $label0$1;
  	                }
  	                t1 = new A.MappedListIterable(values, new A._EvaluateVisitor_visitIfConditionOperation_closure0(), A._arrayInstanceType(values)._eval$1("MappedListIterable<1,String>")).join$1(0, " " + t3.toString$0(0) + " ");
  	                break $label0$1;
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionOperation$1, $async$completer);
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return this.visitIfConditionFunction$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionFunction$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, $async$temp1, $async$temp2;
  	      var $async$visitIfConditionFunction$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = B.JSString_methods;
  	              $async$temp2 = J;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(node.name), $async$visitIfConditionFunction$1);
  	            case 3:
  	              // returning from await.
  	              $async$temp2 = $async$temp2.$add$ansx($async$result, "(");
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(node.$arguments), $async$visitIfConditionFunction$1);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.$add($async$temp2, $async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionFunction$1, $async$completer);
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return this.visitIfConditionSass$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionSass$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this;
  	      var $async$visitIfConditionSass$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionSass$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.get$isTruthy();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionSass$1, $async$completer);
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return this.visitIfConditionRaw$body$_EvaluateVisitor(0, node);
  	    },
  	    visitIfConditionRaw$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this;
  	      var $async$visitIfConditionRaw$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(node.text), $async$visitIfConditionRaw$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionRaw$1, $async$completer);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return this.visitLegacyIfExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitLegacyIfExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, condition, t1, ifTrue, ifFalse, result, _0_0, positional, named;
  	      var $async$visitLegacyIfExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_evaluateMacroArguments$1(node), $async$visitLegacyIfExpression$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              positional = _0_0._0;
  	              named = _0_0._1;
  	              $async$self._async_evaluate$_verifyArguments$4(J.get$length$asx(positional), named, $.$get$LegacyIfExpression_declaration(), node);
  	              condition = A.ListExtensions_elementAtOrNull(positional, 0);
  	              if (condition == null) {
  	                t1 = named.$index(0, "condition");
  	                t1.toString;
  	                condition = t1;
  	              }
  	              ifTrue = A.ListExtensions_elementAtOrNull(positional, 1);
  	              if (ifTrue == null) {
  	                t1 = named.$index(0, "if-true");
  	                t1.toString;
  	                ifTrue = t1;
  	              }
  	              ifFalse = A.ListExtensions_elementAtOrNull(positional, 2);
  	              if (ifFalse == null) {
  	                t1 = named.$index(0, "if-false");
  	                t1.toString;
  	                ifFalse = t1;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(condition.accept$1($async$self), $async$visitLegacyIfExpression$1);
  	            case 4:
  	              // returning from await.
  	              result = $async$result.get$isTruthy() ? ifTrue : ifFalse;
  	              t1 = result.accept$1($async$self);
  	              $async$goto = 5;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$visitLegacyIfExpression$1);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate$_withoutSlash$2($async$result, $async$self._async_evaluate$_expressionNode$1(result));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitLegacyIfExpression$1, $async$completer);
  	    },
  	    visitNullExpression$1(_, node) {
  	      return this.visitNullExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitNullExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue;
  	      var $async$visitNullExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = B.C__SassNull;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitNullExpression$1, $async$completer);
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return this.visitNumberExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitNumberExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber),
  	        $async$returnValue;
  	      var $async$visitNumberExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = A.SassNumber_SassNumber(node.value, node.unit);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitNumberExpression$1, $async$completer);
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      var _this = this;
  	      return _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__stylesheet, "_stylesheet").plainCss ? A.throwExpression(_this._async_evaluate$_exception$2("Parentheses aren't allowed in plain CSS.", node.span)) : node.expression.accept$1(_this);
  	    },
  	    visitColorExpression$1(_, node) {
  	      return this.visitColorExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitColorExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassColor),
  	        $async$returnValue;
  	      var $async$visitColorExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitColorExpression$1, $async$completer);
  	    },
  	    visitListExpression$1(_, node) {
  	      return this.visitListExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitListExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassList),
  	        $async$returnValue, $async$self = this, $async$temp1;
  	      var $async$visitListExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait(A.mapAsync(node.contents, new A._EvaluateVisitor_visitListExpression_closure0($async$self), type$.Expression, type$.Value), $async$visitListExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.SassList$($async$result, node.separator, node.hasBrackets);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitListExpression$1, $async$completer);
  	    },
  	    visitMapExpression$1(_, node) {
  	      return this.visitMapExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitMapExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassMap),
  	        $async$returnValue, $async$self = this, t2, t3, _i, t4, key, keyValue, valueValue, oldValueSpan, t1, map, keyNodes;
  	      var $async$visitMapExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Value;
  	              map = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	              keyNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode);
  	              t2 = node.pairs, t3 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t4 = t2[_i];
  	              key = t4._0;
  	              $async$goto = 6;
  	              return A._asyncAwait(key.accept$1($async$self), $async$visitMapExpression$1);
  	            case 6:
  	              // returning from await.
  	              keyValue = $async$result;
  	              $async$goto = 7;
  	              return A._asyncAwait(t4._1.accept$1($async$self), $async$visitMapExpression$1);
  	            case 7:
  	              // returning from await.
  	              valueValue = $async$result;
  	              if (map.containsKey$1(keyValue)) {
  	                t1 = keyNodes.$index(0, keyValue);
  	                oldValueSpan = t1 == null ? null : t1.get$span(t1);
  	                t1 = key.get$span(key);
  	                t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	                if (oldValueSpan != null)
  	                  t2.$indexSet(0, oldValueSpan, "first key");
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$("Duplicate key.", t1, "second key", t2, $async$self._async_evaluate$_stackTrace$1(key.get$span(key)), null));
  	              }
  	              map.$indexSet(0, keyValue, valueValue);
  	              keyNodes.$indexSet(0, keyValue, key);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = new A.SassMap(A.ConstantMap_ConstantMap$from(map, t1, t1));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMapExpression$1, $async$completer);
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return this.visitFunctionExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitFunctionExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t2, _0_0, t3, t4, $name, oldInFunction, result, t1, $function;
  	      var $async$visitFunctionExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              $function = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss ? null : $async$self._async_evaluate$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure2($async$self, node));
  	              t1.$function = $function;
  	              $async$goto = $function == null || B.JSString_methods.startsWith$1(node.originalName, "--") ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              if (node.namespace != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2("Undefined function.", node.span));
  	              t2 = node.name;
  	              _0_0 = t2.toLowerCase();
  	              t3 = false;
  	              if ("min" === _0_0 || "max" === _0_0 || "round" === _0_0 || "abs" === _0_0) {
  	                t3 = node.$arguments;
  	                t4 = t3.named;
  	                t3 = t4.get$isEmpty(t4) && t3.rest == null && B.JSArray_methods.every$1(t3.positional, new A._EvaluateVisitor_visitFunctionExpression_closure3());
  	                $name = _0_0;
  	              } else
  	                $name = null;
  	              $async$goto = t3 ? 5 : 6;
  	              break;
  	            case 5:
  	              // then
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate$_visitCalculation$2$inLegacySassFunction(node, $name), $async$visitFunctionExpression$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 6:
  	              // join
  	              $async$goto = "calc" === _0_0 || "clamp" === _0_0 || "hypot" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "sqrt" === _0_0 || "exp" === _0_0 || "sign" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "atan2" === _0_0 || "pow" === _0_0 || "log" === _0_0 || "calc-size" === _0_0 ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate$_visitCalculation$1(node), $async$visitFunctionExpression$1);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 9:
  	              // join
  	              $function = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__stylesheet, "_stylesheet").plainCss ? null : $async$self._async_evaluate$_builtInFunctions.$index(0, t2);
  	              t1.$function = $function == null ? new A.PlainCssCallable(node.originalName) : $function;
  	            case 4:
  	              // join
  	              oldInFunction = $async$self._async_evaluate$_inFunction;
  	              $async$self._async_evaluate$_inFunction = true;
  	              $async$goto = 11;
  	              return A._asyncAwait($async$self._async_evaluate$_addErrorSpan$1$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure4(t1, $async$self, node), type$.Value), $async$visitFunctionExpression$1);
  	            case 11:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_inFunction = oldInFunction;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitFunctionExpression$1, $async$completer);
  	    },
  	    _async_evaluate$_visitCalculation$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      return this._visitCalculation$body$_EvaluateVisitor(node, inLegacySassFunction);
  	    },
  	    _async_evaluate$_visitCalculation$1(node) {
  	      return this._async_evaluate$_visitCalculation$2$inLegacySassFunction(node, null);
  	    },
  	    _visitCalculation$body$_EvaluateVisitor(node, inLegacySassFunction) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, $arguments, oldCallableNode, t1, _0_0, error, stackTrace, t4, _i, t2, t3, $async$temp1;
  	      var $async$_async_evaluate$_visitCalculation$2$inLegacySassFunction = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t2 = node.$arguments;
  	              t3 = t2.named;
  	              if (t3.get$isNotEmpty(t3))
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Keywor, node.span));
  	              else if (t2.rest != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Rest_a, node.span));
  	              $async$self._async_evaluate$_checkCalculationArguments$1(node);
  	              t3 = A._setArrayType([], type$.JSArray_Object);
  	              t2 = t2.positional, t4 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t4)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$temp1 = t3;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction), $async$_async_evaluate$_visitCalculation$2$inLegacySassFunction);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $arguments = t3;
  	              if ($async$self._async_evaluate$_inSupportsDeclaration) {
  	                $async$returnValue = new A.SassCalculation(node.name, A.List_List$unmodifiable($arguments, type$.Object));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              oldCallableNode = $async$self._async_evaluate$_callableNode;
  	              $async$self._async_evaluate$_callableNode = node;
  	              try {
  	                t1 = null;
  	                t3 = node.name;
  	                _0_0 = t3.toLowerCase();
  	                $label0$0: {
  	                  if ("calc" === _0_0) {
  	                    t1 = A.SassCalculation_calc(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("sqrt" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("sqrt", J.$index$asx($arguments, 0), A.number0__sqrt$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("sin" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("sin", J.$index$asx($arguments, 0), A.number0__sin$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("cos" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("cos", J.$index$asx($arguments, 0), A.number0__cos$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("tan" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("tan", J.$index$asx($arguments, 0), A.number0__tan$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("asin" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("asin", J.$index$asx($arguments, 0), A.number0__asin$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("acos" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("acos", J.$index$asx($arguments, 0), A.number0__acos$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("atan" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument("atan", J.$index$asx($arguments, 0), A.number0__atan$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("abs" === _0_0) {
  	                    t1 = A.SassCalculation_abs(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("exp" === _0_0) {
  	                    t1 = A.SassCalculation_exp(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("sign" === _0_0) {
  	                    t1 = A.SassCalculation_sign(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("min" === _0_0) {
  	                    t1 = A.SassCalculation_min($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("max" === _0_0) {
  	                    t1 = A.SassCalculation_max($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("hypot" === _0_0) {
  	                    t1 = A.SassCalculation_hypot($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("pow" === _0_0) {
  	                    t1 = A.SassCalculation_pow(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("atan2" === _0_0) {
  	                    t1 = A.SassCalculation_atan2(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("log" === _0_0) {
  	                    t1 = A.SassCalculation_log(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("mod" === _0_0) {
  	                    t1 = A.SassCalculation_mod(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("rem" === _0_0) {
  	                    t1 = A.SassCalculation_rem(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("round" === _0_0) {
  	                    t1 = A.SassCalculation_roundInternal(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2), inLegacySassFunction, node.span, new A._EvaluateVisitor__visitCalculation_closure0($async$self, node));
  	                    break $label0$0;
  	                  }
  	                  if ("clamp" === _0_0) {
  	                    t1 = A.SassCalculation_clamp(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2));
  	                    break $label0$0;
  	                  }
  	                  if ("calc-size" === _0_0) {
  	                    t1 = A.SassCalculation_calcSize(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  t3 = A.UnsupportedError$('Unknown calculation name "' + t3 + '".');
  	                  t1 = A.throwExpression(t3);
  	                }
  	                t1 = t1;
  	                $async$returnValue = t1;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } catch (exception) {
  	                t1 = A.unwrapException(exception);
  	                if (t1 instanceof A.SassScriptException) {
  	                  error = t1;
  	                  stackTrace = A.getTraceFromException(exception);
  	                  if (B.JSString_methods.contains$1(error.message, "compatible"))
  	                    $async$self._async_evaluate$_verifyCompatibleNumbers$2($arguments, t2);
  	                  A.throwWithTrace($async$self._async_evaluate$_exception$2(error.message, node.span), error, stackTrace);
  	                } else
  	                  throw exception;
  	              } finally {
  	                $async$self._async_evaluate$_callableNode = oldCallableNode;
  	              }
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_visitCalculation$2$inLegacySassFunction, $async$completer);
  	    },
  	    _async_evaluate$_checkCalculationArguments$1(node) {
  	      var t1, _0_0,
  	        check = new A._EvaluateVisitor__checkCalculationArguments_check0(this, node);
  	      $label0$0: {
  	        t1 = node.name;
  	        _0_0 = t1.toLowerCase();
  	        if ("calc" === _0_0 || "sqrt" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "abs" === _0_0 || "exp" === _0_0 || "sign" === _0_0) {
  	          check.call$1(1);
  	          break $label0$0;
  	        }
  	        if ("min" === _0_0 || "max" === _0_0 || "hypot" === _0_0) {
  	          check.call$0();
  	          break $label0$0;
  	        }
  	        if ("pow" === _0_0 || "atan2" === _0_0 || "log" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "calc-size" === _0_0) {
  	          check.call$1(2);
  	          break $label0$0;
  	        }
  	        if ("round" === _0_0 || "clamp" === _0_0) {
  	          check.call$1(3);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$('Unknown calculation name "' + t1 + '".'));
  	      }
  	    },
  	    _async_evaluate$_verifyCompatibleNumbers$2(args, nodesWithSpans) {
  	      var i, t1, _0_0, arg, t2, number1, j, number2, t3, t4, t5, t6;
  	      for (i = 0; t1 = args.length, i < t1; ++i) {
  	        _0_0 = args[i];
  	        if (_0_0 instanceof A.SassNumber) {
  	          t1 = _0_0.get$hasComplexUnits();
  	          arg = _0_0;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.S(arg);
  	          t2 = nodesWithSpans[i];
  	          throw A.wrapException(this._async_evaluate$_exception$2("Number " + t1 + " isn't compatible with CSS calculations.", t2.get$span(t2)));
  	        }
  	      }
  	      for (i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          t1 = number1.toString$0(0);
  	          t2 = number2.toString$0(0);
  	          t3 = nodesWithSpans[i];
  	          t3 = t3.get$span(t3);
  	          t4 = number1.toString$0(0);
  	          t5 = nodesWithSpans[j];
  	          t5 = A.LinkedHashMap_LinkedHashMap$_literal([t5.get$span(t5), number2.toString$0(0)], type$.FileSpan, type$.String);
  	          t6 = nodesWithSpans[i];
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$(t1 + " and " + t2 + " are incompatible.", t3, t4, t5, this._async_evaluate$_stackTrace$1(t6.get$span(t6)), null));
  	        }
  	      }
  	    },
  	    _async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      return this._visitCalculationExpression$body$_EvaluateVisitor(node, inLegacySassFunction);
  	    },
  	    _visitCalculationExpression$body$_EvaluateVisitor(node, inLegacySassFunction) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, result, t2, _0_0, _box_0, _1_0, t3, _i, i, t1, inner, $async$temp1;
  	      var $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node instanceof A.ParenthesizedExpression;
  	              inner = t1 ? node.expression : null;
  	              $async$goto = t1 ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(inner, inLegacySassFunction), $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	              $async$returnValue = result instanceof A.SassString ? new A.SassString("(" + result._string$_text + ")", false) : result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = node instanceof A.StringExpression && node.accept$1(B.C_IsCalculationSafeVisitor) ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              t1 = node.text;
  	              t2 = t1.get$asPlain();
  	              _0_0 = t2 == null ? null : t2.toLowerCase();
  	              if ("pi" === _0_0) {
  	                t1 = A.SassNumber_SassNumber(3.141592653589793, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("e" === _0_0) {
  	                t1 = A.SassNumber_SassNumber(2.718281828459045, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("infinity" === _0_0) {
  	                t1 = A.SassNumber_SassNumber(1 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("-infinity" === _0_0) {
  	                t1 = A.SassNumber_SassNumber(-1 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("nan" === _0_0) {
  	                t1 = A.SassNumber_SassNumber(0 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$temp1 = A;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(t1), $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 9:
  	              // returning from await.
  	              t1 = new $async$temp1.SassString($async$result, false);
  	              // goto break $label0$0
  	              $async$goto = 8;
  	              break;
  	            case 8:
  	              // break $label0$0
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 7:
  	              // join
  	              _box_0 = {};
  	              _box_0.right = _box_0.left = _box_0.operator = null;
  	              t1 = node instanceof A.BinaryOperationExpression;
  	              if (t1) {
  	                _box_0.operator = node.operator;
  	                _box_0.left = node.left;
  	                _box_0.right = node.right;
  	              }
  	              $async$goto = t1 ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              $async$self._async_evaluate$_checkWhitespaceAroundCalculationOperator$1(node);
  	              $async$goto = 12;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor__visitCalculationExpression_closure0(_box_0, $async$self, node, inLegacySassFunction), type$.Object), $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 12:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 11:
  	              // join
  	              $async$goto = node instanceof A.NumberExpression || node instanceof A.VariableExpression || node instanceof A.FunctionExpression || node instanceof A.LegacyIfExpression ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              $async$goto = 15;
  	              return A._asyncAwait(node.accept$1($async$self), $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 15:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              $label1$1: {
  	                if (_1_0 instanceof A.SassNumber) {
  	                  t1 = _1_0;
  	                  break $label1$1;
  	                }
  	                if (_1_0 instanceof A.SassCalculation) {
  	                  t1 = _1_0;
  	                  break $label1$1;
  	                }
  	                if (_1_0 instanceof A.SassString) {
  	                  t1 = !_1_0._hasQuotes;
  	                  result = _1_0;
  	                } else {
  	                  result = null;
  	                  t1 = false;
  	                }
  	                if (t1) {
  	                  t1 = result;
  	                  break $label1$1;
  	                }
  	                t1 = A.throwExpression($async$self._async_evaluate$_exception$2("Value " + _1_0.toString$0(0) + " can't be used in a calculation.", node.get$span(node)));
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 14:
  	              // join
  	              $async$goto = node instanceof A.ListExpression && !node.hasBrackets && B.ListSeparator_SrV === node.separator && node.contents.length >= 2 ? 16 : 17;
  	              break;
  	            case 16:
  	              // then
  	              t1 = A._setArrayType([], type$.JSArray_Object);
  	              t2 = node.contents, t3 = t2.length, _i = 0;
  	            case 18:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 20;
  	                break;
  	              }
  	              $async$temp1 = t1;
  	              $async$goto = 21;
  	              return A._asyncAwait($async$self._async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction), $async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 21:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 19:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 18;
  	              break;
  	            case 20:
  	              // after for
  	              $async$self._async_evaluate$_checkAdjacentCalculationValues$2(t1, node);
  	              for (i = 0; i < t1.length; ++i) {
  	                t3 = t1[i];
  	                if (t3 instanceof A.CalculationOperation && t2[i] instanceof A.ParenthesizedExpression)
  	                  t1[i] = new A.SassString("(" + t3.toString$0(0) + ")", false);
  	              }
  	              $async$returnValue = new A.SassString(B.JSArray_methods.join$1(t1, " "), false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 17:
  	              // join
  	              throw A.wrapException($async$self._async_evaluate$_exception$2(string$.This_e, node.get$span(node)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_visitCalculationExpression$2$inLegacySassFunction, $async$completer);
  	    },
  	    _async_evaluate$_checkWhitespaceAroundCalculationOperator$1(node) {
  	      var t2, t3, t4, textBetweenOperands, first, last,
  	        t1 = node.operator;
  	      if (t1 !== B.BinaryOperator_jCK && t1 !== B.BinaryOperator_tDf)
  	        return;
  	      t1 = node.left;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = node.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 !== t4.get$file(t4))
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$end(t2);
  	      t4 = t3.get$span(t3);
  	      if (t2.offset >= t4.get$start(t4).offset)
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t1 = t1.get$span(t1);
  	      t1 = t1.get$end(t1);
  	      t3 = t3.get$span(t3);
  	      textBetweenOperands = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2._decodedChars, t1.offset, t3.get$start(t3).offset), 0, null);
  	      first = textBetweenOperands.charCodeAt(0);
  	      last = textBetweenOperands.charCodeAt(textBetweenOperands.length - 1);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47)
  	        t1 = !(last === 32 || last === 9 || last === 10 || last === 13 || last === 12 || last === 47);
  	      else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(this._async_evaluate$_exception$2(string$.x22x2b__an, node.get$operatorSpan()));
  	    },
  	    _async_evaluate$_binaryOperatorToCalculationOperator$2(operator, node) {
  	      var t1;
  	      $label0$0: {
  	        if (B.BinaryOperator_jCK === operator) {
  	          t1 = B.CalculationOperator_dpX;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_tDf === operator) {
  	          t1 = B.CalculationOperator_KrC;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_wkM === operator) {
  	          t1 = B.CalculationOperator_LPB;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_ehp === operator) {
  	          t1 = B.CalculationOperator_wFL;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(this._async_evaluate$_exception$2(string$.This_o, node.get$operatorSpan()));
  	      }
  	      return t1;
  	    },
  	    _async_evaluate$_checkAdjacentCalculationValues$2(elements, node) {
  	      var t1, i, t2, previous, current, previousNode, currentNode, _0_2;
  	      for (t1 = elements.length, i = 1; i < t1; ++i) {
  	        t2 = i - 1;
  	        previous = elements[t2];
  	        current = elements[i];
  	        if (previous instanceof A.SassString || current instanceof A.SassString)
  	          continue;
  	        t1 = node.contents;
  	        previousNode = t1[t2];
  	        currentNode = t1[i];
  	        if (currentNode instanceof A.UnaryOperationExpression) {
  	          _0_2 = currentNode.operator;
  	          if (B.UnaryOperator_hCO !== _0_2)
  	            t1 = B.UnaryOperator_n2K === _0_2;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (!t1)
  	          t1 = currentNode instanceof A.NumberExpression && currentNode.value < 0;
  	        else
  	          t1 = true;
  	        if (t1)
  	          throw A.wrapException(this._async_evaluate$_exception$2(string$.x22x2b__an, A.FileSpanExtension_subspan(currentNode.get$span(currentNode), 0, 1)));
  	        else
  	          throw A.wrapException(this._async_evaluate$_exception$2("Missing math operator.", previousNode.get$span(previousNode).expand$1(0, currentNode.get$span(currentNode))));
  	      }
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return this.visitInterpolatedFunctionExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitInterpolatedFunctionExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, result, t1, oldInFunction;
  	      var $async$visitInterpolatedFunctionExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$1(node.name), $async$visitInterpolatedFunctionExpression$1);
  	            case 3:
  	              // returning from await.
  	              t1 = $async$result;
  	              oldInFunction = $async$self._async_evaluate$_inFunction;
  	              $async$self._async_evaluate$_inFunction = true;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate$_addErrorSpan$1$2(node, new A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure0($async$self, node, new A.PlainCssCallable(t1)), type$.Value), $async$visitInterpolatedFunctionExpression$1);
  	            case 4:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_inFunction = oldInFunction;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitInterpolatedFunctionExpression$1, $async$completer);
  	    },
  	    _async_evaluate$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, run, $V) {
  	      return this._runUserDefinedCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan, run, $V, $V);
  	    },
  	    _runUserDefinedCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan, run, $V, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldInDependency, result, evaluated, $name;
  	      var $async$_async_evaluate$_runUserDefinedCallable$1$4 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_evaluateArguments$1($arguments), $async$_async_evaluate$_runUserDefinedCallable$1$4);
  	            case 3:
  	              // returning from await.
  	              evaluated = $async$result;
  	              $name = callable.declaration.name;
  	              if ($name !== "@content")
  	                $name += "()";
  	              oldInDependency = $async$self._async_evaluate$_inDependency;
  	              $async$self._async_evaluate$_inDependency = callable.inDependency;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate$_withStackFrame$1$3($name, nodeWithSpan, new A._EvaluateVisitor__runUserDefinedCallable_closure0($async$self, callable, evaluated, nodeWithSpan, run, $V), $V), $async$_async_evaluate$_runUserDefinedCallable$1$4);
  	            case 4:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_inDependency = oldInDependency;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_runUserDefinedCallable$1$4, $async$completer);
  	    },
  	    _async_evaluate$_runFunctionCallable$3($arguments, callable, nodeWithSpan) {
  	      return this._runFunctionCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan);
  	    },
  	    _runFunctionCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, buffer, first, argument, restArg, rest, error, t1, t2, _i, t3, t4, $async$exception, $async$temp1;
  	      var $async$_async_evaluate$_runFunctionCallable$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = type$.AsyncBuiltInCallable._is(callable) ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_runBuiltInCallable$3($arguments, callable, nodeWithSpan), $async$_async_evaluate$_runFunctionCallable$3);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate$_withoutSlash$2($async$result, nodeWithSpan);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // else
  	              $async$goto = type$.UserDefinedCallable_AsyncEnvironment._is(callable) ? 7 : 9;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, new A._EvaluateVisitor__runFunctionCallable_closure0($async$self, callable), type$.Value), $async$_async_evaluate$_runFunctionCallable$3);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 9:
  	              // else
  	              $async$goto = callable instanceof A.PlainCssCallable ? 11 : 13;
  	              break;
  	            case 11:
  	              // then
  	              t1 = $arguments.named;
  	              if (t1.get$isNotEmpty(t1) || $arguments.keywordRest != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Plain_, nodeWithSpan.get$span(nodeWithSpan)));
  	              buffer = new A.StringBuffer(callable.name + "(");
  	              $async$handler = 15;
  	              first = true;
  	              t1 = $arguments.positional, t2 = t1.length, _i = 0;
  	            case 18:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 20;
  	                break;
  	              }
  	              argument = t1[_i];
  	              if (first)
  	                first = false;
  	              else
  	                buffer._contents += ", ";
  	              t3 = buffer;
  	              $async$temp1 = A;
  	              $async$goto = 21;
  	              return A._asyncAwait($async$self._evaluateToCss$1(argument), $async$_async_evaluate$_runFunctionCallable$3);
  	            case 21:
  	              // returning from await.
  	              t4 = $async$temp1.S($async$result);
  	              t3._contents += t4;
  	            case 19:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 18;
  	              break;
  	            case 20:
  	              // after for
  	              restArg = $arguments.rest;
  	              $async$goto = restArg != null ? 22 : 23;
  	              break;
  	            case 22:
  	              // then
  	              $async$goto = 24;
  	              return A._asyncAwait(restArg.accept$1($async$self), $async$_async_evaluate$_runFunctionCallable$3);
  	            case 24:
  	              // returning from await.
  	              rest = $async$result;
  	              if (!first)
  	                buffer._contents += ", ";
  	              t1 = buffer;
  	              t2 = $async$self._async_evaluate$_serialize$2(rest, restArg);
  	              t1._contents += t2;
  	            case 23:
  	              // join
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 17;
  	              break;
  	            case 15:
  	              // catch
  	              $async$handler = 14;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException._is(t1)) {
  	                error = t1;
  	                if (!B.JSString_methods.endsWith$1(error._span_exception$_message, "isn't a valid CSS value."))
  	                  throw $async$exception;
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$(error._span_exception$_message, J.get$span$x(error), "value", A.LinkedHashMap_LinkedHashMap$_literal([nodeWithSpan.get$span(nodeWithSpan), "unknown function treated as plain CSS"], type$.FileSpan, type$.String), J.get$trace$z(error), null));
  	              } else
  	                throw $async$exception;
  	            case 14:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 17:
  	              // after finally
  	              t1 = buffer;
  	              t2 = A.Primitives_stringFromCharCode(41);
  	              t1._contents += t2;
  	              t2 = buffer._contents;
  	              $async$returnValue = new A.SassString(t2.charCodeAt(0) == 0 ? t2 : t2, false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 13:
  	              // else
  	              throw A.wrapException(A.ArgumentError$("Unknown callable type " + J.get$runtimeType$(callable).toString$0(0) + ".", null));
  	            case 12:
  	              // join
  	            case 8:
  	              // join
  	            case 4:
  	              // join
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_runFunctionCallable$3, $async$completer);
  	    },
  	    _async_evaluate$_runBuiltInCallable$3($arguments, callable, nodeWithSpan) {
  	      return this._runBuiltInCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan);
  	    },
  	    _runBuiltInCallable$body$_EvaluateVisitor($arguments, callable, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, result, error, stackTrace, namedSet, _0_0, parameters, i, t1, t2, t3, parameter, t4, t5, t6, t7, rest, argumentList, _box_0, evaluated, oldCallableNode, $async$exception;
  	      var $async$_async_evaluate$_runBuiltInCallable$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _box_0 = {};
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_evaluateArguments$1($arguments), $async$_async_evaluate$_runBuiltInCallable$3);
  	            case 3:
  	              // returning from await.
  	              evaluated = $async$result;
  	              oldCallableNode = $async$self._async_evaluate$_callableNode;
  	              $async$self._async_evaluate$_callableNode = nodeWithSpan;
  	              namedSet = new A.MapKeySet(evaluated._values[0], type$.MapKeySet_String);
  	              _box_0.callback = _box_0.overload = null;
  	              _0_0 = callable.callbackFor$2(J.get$length$asx(evaluated._values[2]), namedSet);
  	              _box_0.overload = _0_0._0;
  	              _box_0.callback = _0_0._1;
  	              $async$self._async_evaluate$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure2(_box_0, evaluated, namedSet));
  	              parameters = _box_0.overload.parameters;
  	              i = J.get$length$asx(evaluated._values[2]), t1 = parameters.length, t2 = type$._Future_Value, t3 = type$.Future_Value;
  	            case 4:
  	              // for condition
  	              if (!(i < t1)) {
  	                // goto after for
  	                $async$goto = 6;
  	                break;
  	              }
  	              parameter = parameters[i];
  	              t4 = evaluated._values[2];
  	              t5 = evaluated._values[0].remove$1(0, parameter.name);
  	              $async$goto = t5 == null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              t5 = parameter.defaultValue;
  	              t6 = t5.accept$1($async$self);
  	              if (!t3._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t2);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t6, $async$_async_evaluate$_runBuiltInCallable$3);
  	            case 9:
  	              // returning from await.
  	              t5 = $async$self._async_evaluate$_withoutSlash$2($async$result, t5);
  	            case 8:
  	              // join
  	              J.add$1$ax(t4, t5);
  	            case 5:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 4;
  	              break;
  	            case 6:
  	              // after for
  	              if (_box_0.overload.restParameter != null) {
  	                if (J.get$length$asx(evaluated._values[2]) > t1) {
  	                  rest = J.sublist$1$ax(evaluated._values[2], t1);
  	                  J.removeRange$2$ax(evaluated._values[2], t1, J.get$length$asx(evaluated._values[2]));
  	                } else
  	                  rest = B.List_empty8;
  	                t1 = evaluated._values[0];
  	                argumentList = A.SassArgumentList$(rest, t1, evaluated._values[4] === B.ListSeparator_undecided_null_3_undecided ? B.ListSeparator_z0K : evaluated._values[4]);
  	                J.add$1$ax(evaluated._values[2], argumentList);
  	              } else
  	                argumentList = null;
  	              result = null;
  	              $async$handler = 11;
  	              $async$goto = 14;
  	              return A._asyncAwait($async$self._addExceptionSpanAsync$1$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure3(_box_0, evaluated), type$.Value), $async$_async_evaluate$_runBuiltInCallable$3);
  	            case 14:
  	              // returning from await.
  	              result = $async$result;
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 13;
  	              break;
  	            case 11:
  	              // catch
  	              $async$handler = 10;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException)
  	                throw $async$exception;
  	              else {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace($async$self._async_evaluate$_exception$2($async$self._async_evaluate$_getErrorMessage$1(error), nodeWithSpan.get$span(nodeWithSpan)), error, stackTrace);
  	              }
  	              // goto after finally
  	              $async$goto = 13;
  	              break;
  	            case 10:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 13:
  	              // after finally
  	              $async$self._async_evaluate$_callableNode = oldCallableNode;
  	              if (argumentList == null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = evaluated._values[0];
  	              if (t1.get$isEmpty(t1)) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (argumentList._wereKeywordsAccessed) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = evaluated._values[0];
  	              t1 = t1.get$keys(t1);
  	              t1 = A.pluralize("parameter", t1.get$length(t1), null);
  	              t2 = evaluated._values[0];
  	              t2 = t2.get$keys(t2);
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$("No " + t1 + " named " + A.toSentence(t2.map$1$1(t2, new A._EvaluateVisitor__runBuiltInCallable_closure4(), type$.Object), "or") + ".", nodeWithSpan.get$span(nodeWithSpan), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_box_0.overload.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan)), null));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_runBuiltInCallable$3, $async$completer);
  	    },
  	    _async_evaluate$_evaluateArguments$1($arguments) {
  	      return this._evaluateArguments$body$_EvaluateVisitor($arguments);
  	    },
  	    _evaluateArguments$body$_EvaluateVisitor($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_5_Map_String_Value_named_and_Map_String_AstNode_namedNodes_and_List_Value_positional_and_List_AstNode_positionalNodes_and_ListSeparator_separator),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, _i, expression, nodeForSpan, t5, t6, named, namedNodes, $name, value, t7, restArgs, rest, restNodeForSpan, separator, keywordRestArgs, keywordRest, keywordRestNodeForSpan, positional, positionalNodes, $async$temp1, $async$temp2;
  	      var $async$_async_evaluate$_evaluateArguments$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              positional = A._setArrayType([], type$.JSArray_Value);
  	              positionalNodes = A._setArrayType([], type$.JSArray_AstNode);
  	              t1 = $arguments.positional, t2 = t1.length, t3 = type$._Future_Value, t4 = type$.Future_Value, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              expression = t1[_i];
  	              nodeForSpan = $async$self._async_evaluate$_expressionNode$1(expression);
  	              t5 = expression.accept$1($async$self);
  	              if (!t4._is(t5)) {
  	                t6 = new A._Future($.Zone__current, t3);
  	                t6._state = 8;
  	                t6._resultOrListeners = t5;
  	                t5 = t6;
  	              }
  	              $async$temp1 = positional;
  	              $async$goto = 6;
  	              return A._asyncAwait(t5, $async$_async_evaluate$_evaluateArguments$1);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$self._async_evaluate$_withoutSlash$2($async$result, nodeForSpan));
  	              positionalNodes.push(nodeForSpan);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = type$.String;
  	              named = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value);
  	              t2 = type$.AstNode;
  	              namedNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	              t5 = A.MapExtensions_get_pairs($arguments.named, t1, type$.Expression), t5 = t5.get$iterator(t5);
  	            case 7:
  	              // for condition
  	              if (!t5.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              t6 = t5.get$current(t5);
  	              $name = t6._0;
  	              value = t6._1;
  	              nodeForSpan = $async$self._async_evaluate$_expressionNode$1(value);
  	              t6 = value.accept$1($async$self);
  	              if (!t4._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t3);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$temp1 = named;
  	              $async$temp2 = $name;
  	              $async$goto = 9;
  	              return A._asyncAwait(t6, $async$_async_evaluate$_evaluateArguments$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, $async$self._async_evaluate$_withoutSlash$2($async$result, nodeForSpan));
  	              namedNodes.$indexSet(0, $name, nodeForSpan);
  	              // goto for condition
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // after for
  	              restArgs = $arguments.rest;
  	              if (restArgs == null) {
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, B.ListSeparator_undecided_null_3_undecided]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 10;
  	              return A._asyncAwait(restArgs.accept$1($async$self), $async$_async_evaluate$_evaluateArguments$1);
  	            case 10:
  	              // returning from await.
  	              rest = $async$result;
  	              restNodeForSpan = $async$self._async_evaluate$_expressionNode$1(restArgs);
  	              if (rest instanceof A.SassMap) {
  	                $async$self._async_evaluate$_addRestMap$4(named, rest, restArgs, new A._EvaluateVisitor__evaluateArguments_closure3());
  	                t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	                for (t4 = rest._map$_contents, t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4), t5 = type$.SassString; t4.moveNext$0();)
  	                  t3.$indexSet(0, t5._as(t4.get$current(t4))._string$_text, restNodeForSpan);
  	                namedNodes.addAll$1(0, t3);
  	                separator = B.ListSeparator_undecided_null_3_undecided;
  	              } else if (rest instanceof A.SassList) {
  	                t3 = rest._list$_contents;
  	                B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t3, new A._EvaluateVisitor__evaluateArguments_closure4($async$self, restNodeForSpan), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,Value>")));
  	                B.JSArray_methods.addAll$1(positionalNodes, A.List_List$filled(t3.length, restNodeForSpan, false, t2));
  	                separator = rest._separator;
  	                if (rest instanceof A.SassArgumentList) {
  	                  rest._wereKeywordsAccessed = true;
  	                  rest._keywords.forEach$1(0, new A._EvaluateVisitor__evaluateArguments_closure5($async$self, named, restNodeForSpan, namedNodes));
  	                }
  	              } else {
  	                positional.push($async$self._async_evaluate$_withoutSlash$2(rest, restNodeForSpan));
  	                positionalNodes.push(restNodeForSpan);
  	                separator = B.ListSeparator_undecided_null_3_undecided;
  	              }
  	              keywordRestArgs = $arguments.keywordRest;
  	              if (keywordRestArgs == null) {
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 11;
  	              return A._asyncAwait(keywordRestArgs.accept$1($async$self), $async$_async_evaluate$_evaluateArguments$1);
  	            case 11:
  	              // returning from await.
  	              keywordRest = $async$result;
  	              keywordRestNodeForSpan = $async$self._async_evaluate$_expressionNode$1(keywordRestArgs);
  	              if (keywordRest instanceof A.SassMap) {
  	                $async$self._async_evaluate$_addRestMap$4(named, keywordRest, keywordRestArgs, new A._EvaluateVisitor__evaluateArguments_closure6());
  	                t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	                for (t2 = keywordRest._map$_contents, t2 = t2.get$keys(t2), t2 = t2.get$iterator(t2), t3 = type$.SassString; t2.moveNext$0();)
  	                  t1.$indexSet(0, t3._as(t2.get$current(t2))._string$_text, keywordRestNodeForSpan);
  	                namedNodes.addAll$1(0, t1);
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs.get$span(keywordRestArgs)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_evaluateArguments$1, $async$completer);
  	    },
  	    _async_evaluate$_evaluateMacroArguments$1(invocation) {
  	      return this._evaluateMacroArguments$body$_EvaluateVisitor(invocation);
  	    },
  	    _evaluateMacroArguments$body$_EvaluateVisitor(invocation) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_List_Expression_and_Map_String_Expression),
  	        $async$returnValue, $async$self = this, t2, positional, named, rest, restNodeForSpan, keywordRestArgs_, keywordRest, keywordRestNodeForSpan, t1, restArgs_;
  	      var $async$_async_evaluate$_evaluateMacroArguments$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = invocation.$arguments;
  	              restArgs_ = t1.rest;
  	              if (restArgs_ == null) {
  	                $async$returnValue = new A._Record_2(t1.positional, t1.named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t2 = t1.positional;
  	              positional = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	              named = A.LinkedHashMap_LinkedHashMap$of(t1.named, type$.String, type$.Expression);
  	              $async$goto = 3;
  	              return A._asyncAwait(restArgs_.accept$1($async$self), $async$_async_evaluate$_evaluateMacroArguments$1);
  	            case 3:
  	              // returning from await.
  	              rest = $async$result;
  	              restNodeForSpan = $async$self._async_evaluate$_expressionNode$1(restArgs_);
  	              if (rest instanceof A.SassMap)
  	                $async$self._async_evaluate$_addRestMap$4(named, rest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure3(restArgs_));
  	              else if (rest instanceof A.SassList) {
  	                t2 = rest._list$_contents;
  	                B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t2, new A._EvaluateVisitor__evaluateMacroArguments_closure4($async$self, restNodeForSpan, restArgs_), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Expression>")));
  	                if (rest instanceof A.SassArgumentList) {
  	                  rest._wereKeywordsAccessed = true;
  	                  rest._keywords.forEach$1(0, new A._EvaluateVisitor__evaluateMacroArguments_closure5($async$self, named, restNodeForSpan, restArgs_));
  	                }
  	              } else
  	                positional.push(new A.ValueExpression($async$self._async_evaluate$_withoutSlash$2(rest, restNodeForSpan), restArgs_.get$span(restArgs_)));
  	              keywordRestArgs_ = t1.keywordRest;
  	              if (keywordRestArgs_ == null) {
  	                $async$returnValue = new A._Record_2(positional, named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(keywordRestArgs_.accept$1($async$self), $async$_async_evaluate$_evaluateMacroArguments$1);
  	            case 4:
  	              // returning from await.
  	              keywordRest = $async$result;
  	              keywordRestNodeForSpan = $async$self._async_evaluate$_expressionNode$1(keywordRestArgs_);
  	              if (keywordRest instanceof A.SassMap) {
  	                $async$self._async_evaluate$_addRestMap$4(named, keywordRest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure6($async$self, keywordRestNodeForSpan, keywordRestArgs_));
  	                $async$returnValue = new A._Record_2(positional, named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs_.get$span(keywordRestArgs_)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_evaluateMacroArguments$1, $async$completer);
  	    },
  	    _async_evaluate$_addRestMap$1$4(values, map, nodeWithSpan, convert) {
  	      map._map$_contents.forEach$1(0, new A._EvaluateVisitor__addRestMap_closure0(this, values, convert, this._async_evaluate$_expressionNode$1(nodeWithSpan), map, nodeWithSpan));
  	    },
  	    _async_evaluate$_addRestMap$4(values, map, nodeWithSpan, convert) {
  	      return this._async_evaluate$_addRestMap$1$4(values, map, nodeWithSpan, convert, type$.dynamic);
  	    },
  	    _async_evaluate$_verifyArguments$4(positional, named, parameters, nodeWithSpan) {
  	      return this._async_evaluate$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__verifyArguments_closure0(parameters, positional, named));
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return this.visitSelectorExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitSelectorExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$visitSelectorExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              t1 = t1 == null ? null : t1.originalSelector.get$asSassList();
  	              $async$returnValue = t1 == null ? B.C__SassNull : t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSelectorExpression$1, $async$completer);
  	    },
  	    visitStringExpression$1(_, node) {
  	      return this.visitStringExpression$body$_EvaluateVisitor(0, node);
  	    },
  	    visitStringExpression$body$_EvaluateVisitor(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassString),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i, value, t4, _0_0, text, oldInSupportsDeclaration;
  	      var $async$visitStringExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInSupportsDeclaration = $async$self._async_evaluate$_inSupportsDeclaration;
  	              $async$self._async_evaluate$_inSupportsDeclaration = false;
  	              t1 = A._setArrayType([], type$.JSArray_String);
  	              t2 = node.text.contents, t3 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              value = t2[_i];
  	              if (typeof value == "string") {
  	                t4 = value;
  	                // goto break $label0$0
  	                $async$goto = 6;
  	                break;
  	              }
  	              $async$goto = value instanceof A.Expression ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait(value.accept$1($async$self), $async$visitStringExpression$1);
  	            case 9:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label1$1: {
  	                if (_0_0 instanceof A.SassString) {
  	                  text = _0_0._string$_text;
  	                  t4 = text;
  	                  break $label1$1;
  	                }
  	                t4 = $async$self._async_evaluate$_serialize$3$quote(_0_0, value, false);
  	                break $label1$1;
  	              }
  	              // goto break $label0$0
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // join
  	              t4 = A.throwExpression(A.UnsupportedError$("Unknown interpolation value " + A.S(value)));
  	            case 6:
  	              // break $label0$0
  	              t1.push(t4);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = B.JSArray_methods.join$0(t1);
  	              $async$self._async_evaluate$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              $async$returnValue = new A.SassString(t1, node.hasQuotes);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStringExpression$1, $async$completer);
  	    },
  	    visitSupportsExpression$1(_, expression) {
  	      return this.visitSupportsExpression$body$_EvaluateVisitor(0, expression);
  	    },
  	    visitSupportsExpression$body$_EvaluateVisitor(_, expression) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassString),
  	        $async$returnValue, $async$self = this, $async$temp1;
  	      var $async$visitSupportsExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_visitSupportsCondition$1(expression.condition), $async$visitSupportsExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = new $async$temp1.SassString($async$result, false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSupportsExpression$1, $async$completer);
  	    },
  	    visitCssAtRule$1(node) {
  	      return this.visitCssAtRule$body$_EvaluateVisitor(node);
  	    },
  	    visitCssAtRule$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, wasInKeyframes, wasInUnknownAtRule, t1, rule;
  	      var $async$visitCssAtRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.At_rul, node.span));
  	              if (node.isChildless) {
  	                $async$self._async_evaluate$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$(node.name, node.span, true, node.value));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              wasInKeyframes = $async$self._async_evaluate$_inKeyframes;
  	              wasInUnknownAtRule = $async$self._async_evaluate$_inUnknownAtRule;
  	              t1 = node.name;
  	              if (A.unvendor(t1.value) === "keyframes")
  	                $async$self._async_evaluate$_inKeyframes = true;
  	              else
  	                $async$self._async_evaluate$_inUnknownAtRule = true;
  	              rule = A.ModifiableCssAtRule$(t1, node.span, false, node.value);
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssAtRule_closure2($async$self, node), false, type$.ModifiableCssAtRule, type$.Null), $async$visitCssAtRule$1);
  	            case 5:
  	              // returning from await.
  	              $async$self._async_evaluate$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate$_inKeyframes = wasInKeyframes;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssAtRule_closure3($async$self, node), false, new A._EvaluateVisitor_visitCssAtRule_closure4(), type$.ModifiableCssAtRule, type$.Null), $async$visitCssAtRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$self._async_evaluate$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate$_inKeyframes = wasInKeyframes;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssAtRule$1, $async$completer);
  	    },
  	    visitCssComment$1(node) {
  	      return this.visitCssComment$body$_EvaluateVisitor(node);
  	    },
  	    visitCssComment$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") === $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root") && $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").children._collection$_source))
  	                $async$self._async_evaluate$__endOfImports = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") + 1;
  	              $async$self._async_evaluate$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(new A.ModifiableCssComment(node.text, node.span));
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssComment$1, $async$completer);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this.visitCssDeclaration$body$_EvaluateVisitor(node);
  	    },
  	    visitCssDeclaration$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$self._async_evaluate$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(A.ModifiableCssDeclaration$(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap));
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssDeclaration$1, $async$completer);
  	    },
  	    visitCssImport$1(node) {
  	      return this.visitCssImport$body$_EvaluateVisitor(node);
  	    },
  	    visitCssImport$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, modifiableNode;
  	      var $async$visitCssImport$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              modifiableNode = new A.ModifiableCssImport(node.url, node.modifiers, node.span);
  	              if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") !== $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root")) {
  	                $async$self._async_evaluate$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").addChild$1(modifiableNode);
  	              } else if ($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").children._collection$_source)) {
  	                $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__root, "_root").addChild$1(modifiableNode);
  	                $async$self._async_evaluate$__endOfImports = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__endOfImports, "_endOfImports") + 1;
  	              } else {
  	                t1 = $async$self._async_evaluate$_outOfOrderImports;
  	                (t1 == null ? $async$self._async_evaluate$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport) : t1).push(modifiableNode);
  	              }
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssImport$1, $async$completer);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      return this.visitCssKeyframeBlock$body$_EvaluateVisitor(node);
  	    },
  	    visitCssKeyframeBlock$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssKeyframeBlock$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$(node.selector, node.span), new A._EvaluateVisitor_visitCssKeyframeBlock_closure1($async$self, node), false, new A._EvaluateVisitor_visitCssKeyframeBlock_closure2(), type$.ModifiableCssKeyframeBlock, type$.Null), $async$visitCssKeyframeBlock$1);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssKeyframeBlock$1, $async$completer);
  	    },
  	    visitCssMediaRule$1(node) {
  	      return this.visitCssMediaRule$body$_EvaluateVisitor(node);
  	    },
  	    visitCssMediaRule$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, mergedQueries, t1, mergedSources, t2, t3;
  	      var $async$visitCssMediaRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Media_, node.span));
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$(node.queries, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure3($async$self, node), false, type$.ModifiableCssMediaRule, type$.Null), $async$visitCssMediaRule$1);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              mergedQueries = A.NullableExtension_andThen($async$self._async_evaluate$_mediaQueries, new A._EvaluateVisitor_visitCssMediaRule_closure4($async$self, node));
  	              t1 = mergedQueries == null;
  	              if (!t1 && J.get$isEmpty$asx(mergedQueries)) {
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (t1)
  	                mergedSources = B.Set_empty2;
  	              else {
  	                t2 = $async$self._async_evaluate$_mediaQuerySources;
  	                t2.toString;
  	                t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery);
  	                t3 = $async$self._async_evaluate$_mediaQueries;
  	                t3.toString;
  	                t2.addAll$1(0, t3);
  	                t2.addAll$1(0, node.queries);
  	                mergedSources = t2;
  	              }
  	              t1 = t1 ? node.queries : mergedQueries;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$(t1, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure5($async$self, mergedQueries, node, mergedSources), false, new A._EvaluateVisitor_visitCssMediaRule_closure6(mergedSources), type$.ModifiableCssMediaRule, type$.Null), $async$visitCssMediaRule$1);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssMediaRule$1, $async$completer);
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this.visitCssStyleRule$body$_EvaluateVisitor(node);
  	    },
  	    visitCssStyleRule$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, styleRule, _0_0, t2, t3, originalSelector, rule, oldAtRootExcludingStyleRule, _1_1, lastChild;
  	      var $async$visitCssStyleRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Style_n, node.span));
  	              else if ($async$self._async_evaluate$_inKeyframes && $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent") instanceof A.ModifiableCssKeyframeBlock)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Style_k, node.span));
  	              t1 = $async$self._async_evaluate$_atRootExcludingStyleRule;
  	              styleRule = t1 ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              _0_0 = t1 ? null : $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $label0$0: {
  	                if (_0_0 == null) {
  	                  t1 = true;
  	                  break $label0$0;
  	                }
  	                if (_0_0.fromPlainCss) {
  	                  t1 = false;
  	                  break $label0$0;
  	                }
  	                t1 = !(node.fromPlainCss && node._style_rule$_selector._box$_inner.value.accept$1(B.C__ContainsParentSelectorVisitor));
  	                break $label0$0;
  	              }
  	              t2 = node._style_rule$_selector._box$_inner;
  	              if (t1) {
  	                t2 = t2.value;
  	                t3 = styleRule == null ? null : styleRule.originalSelector;
  	                originalSelector = t2.nestWithin$3$implicitParent$preserveParentSelectors(t3, !$async$self._async_evaluate$_atRootExcludingStyleRule, node.fromPlainCss);
  	              } else
  	                originalSelector = t2.value;
  	              rule = A.ModifiableCssStyleRule$($async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__extensionStore, "_extensionStore").addSelector$2(originalSelector, $async$self._async_evaluate$_mediaQueries), node.span, node.fromPlainCss, originalSelector);
  	              oldAtRootExcludingStyleRule = $async$self._async_evaluate$_atRootExcludingStyleRule;
  	              $async$self._async_evaluate$_atRootExcludingStyleRule = false;
  	              t1 = t1 ? new A._EvaluateVisitor_visitCssStyleRule_closure1() : null;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssStyleRule_closure2($async$self, rule, node), false, t1, type$.ModifiableCssStyleRule, type$.Null), $async$visitCssStyleRule$1);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_evaluate$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              t1 = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent").children._collection$_source;
  	              t2 = J.getInterceptor$asx(t1);
  	              _1_1 = t2.get$length(t1);
  	              if (_1_1 >= 1) {
  	                lastChild = t2.elementAt$1(t1, _1_1 - 1);
  	                t1 = styleRule == null;
  	              } else {
  	                lastChild = null;
  	                t1 = false;
  	              }
  	              if (t1)
  	                lastChild.isGroupEnd = true;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssStyleRule$1, $async$completer);
  	    },
  	    visitCssStylesheet$1(node) {
  	      return this.visitCssStylesheet$body$_EvaluateVisitor(node);
  	    },
  	    visitCssStylesheet$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$visitCssStylesheet$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.get$iterator$ax(node.get$children(node));
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(t1.get$current(t1).accept$1($async$self), $async$visitCssStylesheet$1);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssStylesheet$1, $async$completer);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this.visitCssSupportsRule$body$_EvaluateVisitor(node);
  	    },
  	    visitCssSupportsRule$body$_EvaluateVisitor(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, rule;
  	      var $async$visitCssSupportsRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate$_exception$2(string$.Suppor, node.span));
  	              rule = A.ModifiableCssSupportsRule$(node.condition, node.span);
  	              $async$goto = $async$self.get$_async_evaluate$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure2($async$self, node), false, type$.ModifiableCssSupportsRule, type$.Null), $async$visitCssSupportsRule$1);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure3($async$self, node), false, new A._EvaluateVisitor_visitCssSupportsRule_closure4(), type$.ModifiableCssSupportsRule, type$.Null), $async$visitCssSupportsRule$1);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssSupportsRule$1, $async$completer);
  	    },
  	    _async_evaluate$_handleReturn$1$2(list, callback) {
  	      return this._handleReturn$body$_EvaluateVisitor(list, callback);
  	    },
  	    _async_evaluate$_handleReturn$2(list, callback) {
  	      return this._async_evaluate$_handleReturn$1$2(list, callback, type$.dynamic);
  	    },
  	    _handleReturn$body$_EvaluateVisitor(list, callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, t1, _i, _0_0;
  	      var $async$_async_evaluate$_handleReturn$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = list.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < list.length)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(callback.call$1(list[_i]), $async$_async_evaluate$_handleReturn$1$2);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              list.length === t1 || (0, A.throwConcurrentModificationError)(list), ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_handleReturn$1$2, $async$completer);
  	    },
  	    _async_evaluate$_withEnvironment$1$2(environment, callback, $T) {
  	      return this._withEnvironment$body$_EvaluateVisitor(environment, callback, $T, $T);
  	    },
  	    _withEnvironment$body$_EvaluateVisitor(environment, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldEnvironment;
  	      var $async$_async_evaluate$_withEnvironment$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldEnvironment = $async$self._async_evaluate$_environment;
  	              $async$self._async_evaluate$_environment = environment;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate$_withEnvironment$1$2);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_environment = oldEnvironment;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withEnvironment$1$2, $async$completer);
  	    },
  	    _async_evaluate$_interpolationToValue$3$trim$warnForColor(interpolation, trim, warnForColor) {
  	      return this._interpolationToValue$body$_EvaluateVisitor(interpolation, trim, warnForColor);
  	    },
  	    _async_evaluate$_interpolationToValue$1(interpolation) {
  	      return this._async_evaluate$_interpolationToValue$3$trim$warnForColor(interpolation, false, false);
  	    },
  	    _async_evaluate$_interpolationToValue$2$warnForColor(interpolation, warnForColor) {
  	      return this._async_evaluate$_interpolationToValue$3$trim$warnForColor(interpolation, false, warnForColor);
  	    },
  	    _interpolationToValue$body$_EvaluateVisitor(interpolation, trim, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CssValue_String),
  	        $async$returnValue, $async$self = this, result, t1;
  	      var $async$_async_evaluate$_interpolationToValue$3$trim$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolation$2$warnForColor(interpolation, warnForColor), $async$_async_evaluate$_interpolationToValue$3$trim$warnForColor);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              t1 = trim ? A.trimAscii(result, true) : result;
  	              $async$returnValue = new A.CssValue(t1, interpolation.span, type$.CssValue_String);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_interpolationToValue$3$trim$warnForColor, $async$completer);
  	    },
  	    _async_evaluate$_performInterpolation$2$warnForColor(interpolation, warnForColor) {
  	      return this._performInterpolation$body$_EvaluateVisitor(interpolation, warnForColor);
  	    },
  	    _async_evaluate$_performInterpolation$1(interpolation) {
  	      return this._async_evaluate$_performInterpolation$2$warnForColor(interpolation, false);
  	    },
  	    _performInterpolation$body$_EvaluateVisitor(interpolation, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this;
  	      var $async$_async_evaluate$_performInterpolation$2$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, false, warnForColor), $async$_async_evaluate$_performInterpolation$2$warnForColor);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result._0;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_performInterpolation$2$warnForColor, $async$completer);
  	    },
  	    _async_evaluate$_performInterpolationWithMap$2$warnForColor(interpolation, warnForColor) {
  	      return this._performInterpolationWithMap$body$_EvaluateVisitor(interpolation, true);
  	    },
  	    _performInterpolationWithMap$body$_EvaluateVisitor(interpolation, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_String_and_InterpolationMap),
  	        $async$returnValue, $async$self = this, _0_0, result, map;
  	      var $async$_async_evaluate$_performInterpolationWithMap$2$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, true, true), $async$_async_evaluate$_performInterpolationWithMap$2$warnForColor);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              result = _0_0._0;
  	              map = _0_0._1;
  	              map.toString;
  	              $async$returnValue = new A._Record_2(result, map);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_performInterpolationWithMap$2$warnForColor, $async$completer);
  	    },
  	    _async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, sourceMap, warnForColor) {
  	      return this._performInterpolationHelper$body$_EvaluateVisitor(interpolation, sourceMap, warnForColor);
  	    },
  	    _performInterpolationHelper$body$_EvaluateVisitor(interpolation, sourceMap, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_String_and_nullable_InterpolationMap),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, first, _i, t7, value, result, result0, t8, targetOffsets, oldInSupportsDeclaration;
  	      var $async$_async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              targetOffsets = sourceMap ? A._setArrayType([], type$.JSArray_int) : null;
  	              oldInSupportsDeclaration = $async$self._async_evaluate$_inSupportsDeclaration;
  	              $async$self._async_evaluate$_inSupportsDeclaration = false;
  	              t1 = interpolation.contents, t2 = t1.length, t3 = type$.Expression, t4 = targetOffsets == null, t5 = interpolation.span, t6 = type$.Object, first = true, _i = 0, t7 = "";
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              value = t1[_i];
  	              if (!first)
  	                if (!t4)
  	                  targetOffsets.push(t7.length);
  	              if (typeof value == "string") {
  	                t7 += value;
  	                // goto for update
  	                $async$goto = 4;
  	                break;
  	              }
  	              t3._as(value);
  	              $async$goto = 6;
  	              return A._asyncAwait(value.accept$1($async$self), $async$_async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              if (warnForColor && $.$get$namesByColor().containsKey$1(result)) {
  	                result0 = A.List_List$from([""], false, t6);
  	                result0.$flags = 3;
  	                t8 = $.$get$namesByColor();
  	                $async$self._async_evaluate$_warn$2(string$.You_pr + A.S(t8.$index(0, result)) + string$.x20in_in + result.toString$0(0) + string$.x2c_whicw + A.S(t8.$index(0, result)) + string$.x22x29__If + new A.BinaryOperationExpression(B.BinaryOperator_jCK, new A.StringExpression(new A.Interpolation(result0, B.List_null, t5), true), value, false).toString$0(0) + "'.", value.get$span(value));
  	              }
  	              t7 += $async$self._async_evaluate$_serialize$3$quote(result, value, false);
  	            case 4:
  	              // for update
  	              ++_i, first = false;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$self._async_evaluate$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              $async$returnValue = new A._Record_2(t7.charCodeAt(0) == 0 ? t7 : t7, A.NullableExtension_andThen(targetOffsets, new A._EvaluateVisitor__performInterpolationHelper_closure0(interpolation)));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_performInterpolationHelper$3$sourceMap$warnForColor, $async$completer);
  	    },
  	    _evaluateToCss$2$quote(expression, quote) {
  	      return this._evaluateToCss$body$_EvaluateVisitor(expression, quote);
  	    },
  	    _evaluateToCss$1(expression) {
  	      return this._evaluateToCss$2$quote(expression, true);
  	    },
  	    _evaluateToCss$body$_EvaluateVisitor(expression, quote) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$_evaluateToCss$2$quote = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = expression.accept$1($async$self);
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$_evaluateToCss$2$quote);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate$_serialize$3$quote($async$result, expression, quote);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_evaluateToCss$2$quote, $async$completer);
  	    },
  	    _async_evaluate$_serialize$3$quote(value, nodeWithSpan, quote) {
  	      return this._async_evaluate$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__serialize_closure0(value, quote));
  	    },
  	    _async_evaluate$_serialize$2(value, nodeWithSpan) {
  	      return this._async_evaluate$_serialize$3$quote(value, nodeWithSpan, true);
  	    },
  	    _async_evaluate$_expressionNode$1(expression) {
  	      var t1;
  	      if (expression instanceof A.VariableExpression) {
  	        t1 = this._async_evaluate$_addExceptionSpan$2(expression, new A._EvaluateVisitor__expressionNode_closure0(this, expression));
  	        return t1 == null ? expression : t1;
  	      } else
  	        return expression;
  	    },
  	    _async_evaluate$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, through, $S, $T) {
  	      return this._withParent$body$_EvaluateVisitor(node, callback, scopeWhen, through, $S, $T, $T);
  	    },
  	    _async_evaluate$_withParent$2$3$scopeWhen(node, callback, scopeWhen, $S, $T) {
  	      return this._async_evaluate$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, null, $S, $T);
  	    },
  	    _async_evaluate$_withParent$2$2(node, callback, $S, $T) {
  	      return this._async_evaluate$_withParent$2$4$scopeWhen$through(node, callback, true, null, $S, $T);
  	    },
  	    _withParent$body$_EvaluateVisitor(node, callback, scopeWhen, through, $S, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldParent, result;
  	      var $async$_async_evaluate$_withParent$2$4$scopeWhen$through = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$self._async_evaluate$_addChild$2$through(node, through);
  	              oldParent = $async$self._async_evaluate$_assertInModule$2($async$self._async_evaluate$__parent, "__parent");
  	              $async$self._async_evaluate$__parent = node;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate$_environment.scope$1$2$when(callback, scopeWhen, $T), $async$_async_evaluate$_withParent$2$4$scopeWhen$through);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$__parent = oldParent;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withParent$2$4$scopeWhen$through, $async$completer);
  	    },
  	    _async_evaluate$_copyParentAfterSibling$0() {
  	      var t1, grandparent, newParent, _this = this,
  	        _s8_ = "__parent",
  	        _0_0 = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__parent, _s8_)._parent;
  	      if (_0_0 != null) {
  	        t1 = _0_0.children;
  	        t1 = t1.get$last(t1) !== _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__parent, _s8_);
  	        grandparent = _0_0;
  	      } else {
  	        grandparent = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        newParent = _this._async_evaluate$_assertInModule$2(_this._async_evaluate$__parent, _s8_).copyWithoutChildren$0();
  	        grandparent.addChild$1(newParent);
  	        _this._async_evaluate$__parent = newParent;
  	      }
  	    },
  	    _async_evaluate$_addChild$2$through(node, through) {
  	      var _0_0, grandparent, t1,
  	        $parent = this._async_evaluate$_assertInModule$2(this._async_evaluate$__parent, "__parent");
  	      if (through != null) {
  	        for (; through.call$1($parent); $parent = _0_0) {
  	          _0_0 = $parent._parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$(string$.throug + node.toString$0(0) + ".", null));
  	        }
  	        if ($parent.get$hasFollowingSibling()) {
  	          grandparent = $parent._parent;
  	          t1 = grandparent.children;
  	          if ($parent.equalsIgnoringChildren$1(t1.get$last(t1)))
  	            $parent = type$.ModifiableCssParentNode._as(t1.get$last(t1));
  	          else {
  	            $parent = $parent.copyWithoutChildren$0();
  	            grandparent.addChild$1($parent);
  	          }
  	        }
  	      }
  	      $parent.addChild$1(node);
  	    },
  	    _async_evaluate$_addChild$1(node) {
  	      return this._async_evaluate$_addChild$2$through(node, null);
  	    },
  	    _async_evaluate$_withStyleRule$1$2(rule, callback, $T) {
  	      return this._withStyleRule$body$_EvaluateVisitor(rule, callback, $T, $T);
  	    },
  	    _withStyleRule$body$_EvaluateVisitor(rule, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldRule;
  	      var $async$_async_evaluate$_withStyleRule$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldRule = $async$self._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$self._async_evaluate$_styleRuleIgnoringAtRoot = rule;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate$_withStyleRule$1$2);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_styleRuleIgnoringAtRoot = oldRule;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withStyleRule$1$2, $async$completer);
  	    },
  	    _async_evaluate$_withMediaQueries$1$3(queries, sources, callback, $T) {
  	      return this._withMediaQueries$body$_EvaluateVisitor(queries, sources, callback, $T, $T);
  	    },
  	    _withMediaQueries$body$_EvaluateVisitor(queries, sources, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldMediaQueries, oldSources;
  	      var $async$_async_evaluate$_withMediaQueries$1$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldMediaQueries = $async$self._async_evaluate$_mediaQueries;
  	              oldSources = $async$self._async_evaluate$_mediaQuerySources;
  	              $async$self._async_evaluate$_mediaQueries = queries;
  	              $async$self._async_evaluate$_mediaQuerySources = sources;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate$_withMediaQueries$1$3);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_mediaQueries = oldMediaQueries;
  	              $async$self._async_evaluate$_mediaQuerySources = oldSources;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withMediaQueries$1$3, $async$completer);
  	    },
  	    _async_evaluate$_withStackFrame$1$3(member, nodeWithSpan, callback, $T) {
  	      return this._withStackFrame$body$_EvaluateVisitor(member, nodeWithSpan, callback, $T, $T);
  	    },
  	    _withStackFrame$body$_EvaluateVisitor(member, nodeWithSpan, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldMember, result, t1;
  	      var $async$_async_evaluate$_withStackFrame$1$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate$_stack;
  	              t1.push(new A._Record_2($async$self._async_evaluate$_member, nodeWithSpan));
  	              oldMember = $async$self._async_evaluate$_member;
  	              $async$self._async_evaluate$_member = member;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate$_withStackFrame$1$3);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate$_member = oldMember;
  	              t1.pop();
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_withStackFrame$1$3, $async$completer);
  	    },
  	    _async_evaluate$_withoutSlash$2(value, nodeForSpan) {
  	      var t1;
  	      if (value instanceof A.SassNumber)
  	        t1 = value.asSlash != null;
  	      else
  	        t1 = false;
  	      if (t1)
  	        this._async_evaluate$_warn$3(string$.Using__i + A.S(new A._EvaluateVisitor__withoutSlash_recommendation0().call$1(value)) + string$.x0a_Morex20, nodeForSpan.get$span(nodeForSpan), B.Deprecation_qZ1);
  	      return value.withoutSlash$0();
  	    },
  	    _async_evaluate$_stackFrame$2(member, span) {
  	      return A.frameForSpan(span, member, A.NullableExtension_andThen(span.get$sourceUrl(span), new A._EvaluateVisitor__stackFrame_closure0(this)));
  	    },
  	    _async_evaluate$_stackTrace$1(span) {
  	      var t2, t3, _i, t4, nodeWithSpan, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Frame);
  	      for (t2 = _this._async_evaluate$_stack, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = t2[_i];
  	        nodeWithSpan = t4._1;
  	        t1.push(_this._async_evaluate$_stackFrame$2(t4._0, nodeWithSpan.get$span(nodeWithSpan)));
  	      }
  	      if (span != null)
  	        t1.push(_this._async_evaluate$_stackFrame$2(_this._async_evaluate$_member, span));
  	      return A.Trace$(new A.ReversedListIterable(t1, type$.ReversedListIterable_Frame), null);
  	    },
  	    _async_evaluate$_stackTrace$0() {
  	      return this._async_evaluate$_stackTrace$1(null);
  	    },
  	    _async_evaluate$_warn$3(message, span, deprecation) {
  	      var trace, t1, _this = this;
  	      if (_this._async_evaluate$_quietDeps && _this._async_evaluate$_inDependency)
  	        return;
  	      if (!_this._async_evaluate$_warningsEmitted.add$1(0, new A._Record_2(message, span)))
  	        return;
  	      trace = _this._async_evaluate$_stackTrace$1(span);
  	      t1 = _this._async_evaluate$_logger;
  	      if (deprecation == null)
  	        t1.internalWarn$4$deprecation$span$trace(message, null, span, trace);
  	      else
  	        A.WarnForDeprecation_warnForDeprecation(t1, deprecation, message, span, trace);
  	    },
  	    _async_evaluate$_warn$2(message, span) {
  	      return this._async_evaluate$_warn$3(message, span, null);
  	    },
  	    _async_evaluate$_exception$2(message, span) {
  	      var t1, t2;
  	      if (span == null) {
  	        t1 = B.JSArray_methods.get$last(this._async_evaluate$_stack)._1;
  	        t1 = t1.get$span(t1);
  	      } else
  	        t1 = span;
  	      t2 = this._async_evaluate$_stackTrace$1(span);
  	      return new A.SassRuntimeException(t2, B.Set_empty, message, t1);
  	    },
  	    _async_evaluate$_exception$1(message) {
  	      return this._async_evaluate$_exception$2(message, null);
  	    },
  	    _async_evaluate$_multiSpanException$3(message, primaryLabel, secondaryLabels) {
  	      var t1 = B.JSArray_methods.get$last(this._async_evaluate$_stack)._1;
  	      return A.MultiSpanSassRuntimeException$(message, t1.get$span(t1), primaryLabel, secondaryLabels, this._async_evaluate$_stackTrace$0(), null);
  	    },
  	    _async_evaluate$_addExceptionSpan$1$2(nodeWithSpan, callback) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	          A.throwWithTrace(t1.withTrace$1(this._async_evaluate$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan) )), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _async_evaluate$_addExceptionSpan$2(nodeWithSpan, callback) {
  	      return this._async_evaluate$_addExceptionSpan$1$2(nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _addExceptionSpanAsync$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame, $T) {
  	      return this._addExceptionSpanAsync$body$_EvaluateVisitor(nodeWithSpan, callback, addStackFrame, $T, $T);
  	    },
  	    _addExceptionSpanAsync$1$2(nodeWithSpan, callback, $T) {
  	      return this._addExceptionSpanAsync$1$3$addStackFrame(nodeWithSpan, callback, true, $T);
  	    },
  	    _addExceptionSpanAsync$body$_EvaluateVisitor(nodeWithSpan, callback, addStackFrame, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, $async$exception;
  	      var $async$_addExceptionSpanAsync$1$3$addStackFrame = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = callback.call$0();
  	              $async$goto = 7;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_addExceptionSpanAsync$1$3$addStackFrame);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassScriptException) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	                A.throwWithTrace(t1.withTrace$1($async$self._async_evaluate$_stackTrace$1(addStackFrame ? nodeWithSpan.get$span(nodeWithSpan) : null)), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_addExceptionSpanAsync$1$3$addStackFrame, $async$completer);
  	    },
  	    _async_evaluate$_addExceptionTrace$1$1(callback, $T) {
  	      return this._addExceptionTrace$body$_EvaluateVisitor(callback, $T, $T);
  	    },
  	    _addExceptionTrace$body$_EvaluateVisitor(callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, t2, $async$exception;
  	      var $async$_async_evaluate$_addExceptionTrace$1$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = callback.call$0();
  	              $async$goto = 7;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_async_evaluate$_addExceptionTrace$1$1);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException._is(t1))
  	                throw $async$exception;
  	              else if (t1 instanceof A.SassException) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                t1 = error;
  	                t2 = J.getInterceptor$x(t1);
  	                A.throwWithTrace(error.withTrace$1($async$self._async_evaluate$_stackTrace$1(A.SourceSpanException.prototype.get$span.call(t2, t1))), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_addExceptionTrace$1$1, $async$completer);
  	    },
  	    _async_evaluate$_addErrorSpan$1$2(nodeWithSpan, callback, $T) {
  	      return this._addErrorSpan$body$_EvaluateVisitor(nodeWithSpan, callback, $T, $T);
  	    },
  	    _addErrorSpan$body$_EvaluateVisitor(nodeWithSpan, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, t2, t3, $async$exception;
  	      var $async$_async_evaluate$_addErrorSpan$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              $async$goto = 7;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate$_addErrorSpan$1$2);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException._is(t1)) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                if (!B.JSString_methods.startsWith$1(J.get$span$x(error).get$text(), "@error"))
  	                  throw $async$exception;
  	                t1 = error._span_exception$_message;
  	                t2 = nodeWithSpan.get$span(nodeWithSpan);
  	                t3 = $async$self._async_evaluate$_stackTrace$0();
  	                A.throwWithTrace(new A.SassRuntimeException(t3, B.Set_empty, t1, t2), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate$_addErrorSpan$1$2, $async$completer);
  	    },
  	    _async_evaluate$_getErrorMessage$1(error) {
  	      var t1;
  	      if (type$.Error._is(error))
  	        return error.toString$0(0);
  	      try {
  	        t1 = A._asString(J.get$message$x(error));
  	        return t1;
  	      } catch (exception) {
  	        t1 = J.toString$0$(error);
  	        return t1;
  	      }
  	    }
  	  };
  	  A._EvaluateVisitor_closure12.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._async_evaluate$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string$_text, "_", "-");
  	      return t1.globalVariableExists$2$namespace(t2, module == null ? null : module._string$_text) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure13.prototype = {
  	    call$1($arguments) {
  	      var variable = J.$index$asx($arguments, 0).assertString$1("name"),
  	        t1 = this.$this._async_evaluate$_environment;
  	      return t1.getVariable$1(A.stringReplaceAllUnchecked(variable._string$_text, "_", "-")) != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure14.prototype = {
  	    call$1($arguments) {
  	      var module, t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate$_environment;
  	      t3 = variable._string$_text;
  	      t4 = A.stringReplaceAllUnchecked(t3, "_", "-");
  	      return t2.getFunction$2$namespace(t4, module == null ? null : module._string$_text) != null || t1._async_evaluate$_builtInFunctions.containsKey$1(t3) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure15.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._async_evaluate$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string$_text, "_", "-");
  	      return t1.getMixin$2$namespace(t2, module == null ? null : module._string$_text) != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure16.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.$this._async_evaluate$_environment;
  	      if (!t1._async_environment$_inMixin)
  	        throw A.wrapException(A.SassScriptException$(string$.conten, null));
  	      return t1._async_environment$_content != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure17.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = this.$this._async_evaluate$_environment._async_environment$_modules.$index(0, t1);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t1 + '".');
  	      t1 = type$.Value;
  	      t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t3 = A.MapExtensions_get_pairs(module.get$variables(), type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        t2.$indexSet(0, new A.SassString(t4._0, true), t4._1);
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure18.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = t1._async_evaluate$_environment._async_environment$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs(module.get$functions(module), type$.String, type$.AsyncCallable), t4 = t4.get$iterator(t4), t1 = t1._async_evaluate$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString(t5._0, true), new A.SassFunction(t5._1, t1));
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure19.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = t1._async_evaluate$_environment._async_environment$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs(module.get$mixins(), type$.String, type$.AsyncCallable), t4 = t4.get$iterator(t4), t1 = t1._async_evaluate$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString(t5._0, true), new A.SassMixin(t5._1, t1));
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure20.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name"),
  	        css = t1.$index($arguments, 1).get$isTruthy();
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      if (css) {
  	        if (module != null)
  	          throw A.wrapException(string$.x24css_a);
  	        return new A.SassFunction(new A.PlainCssCallable($name._string$_text), this.$this._async_evaluate$_compileContext);
  	      }
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate$_callableNode;
  	      t2.toString;
  	      callable = t1._async_evaluate$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure6(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Function not found: " + $name.toString$0(0));
  	      return new A.SassFunction(callable, t1._async_evaluate$_compileContext);
  	    },
  	    $signature: 167
  	  };
  	  A._EvaluateVisitor__closure6.prototype = {
  	    call$0() {
  	      var local,
  	        normalizedName = A.stringReplaceAllUnchecked(this.name._string$_text, "_", "-"),
  	        t1 = this.module,
  	        namespace = t1 == null ? null : t1._string$_text;
  	      t1 = this.$this;
  	      local = t1._async_evaluate$_environment.getFunction$2$namespace(normalizedName, namespace);
  	      if (local != null || namespace != null)
  	        return local;
  	      return t1._async_evaluate$_builtInFunctions.$index(0, normalizedName);
  	    },
  	    $signature: 103
  	  };
  	  A._EvaluateVisitor_closure21.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate$_callableNode;
  	      t2.toString;
  	      callable = t1._async_evaluate$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure5(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Mixin not found: " + $name.toString$0(0));
  	      return new A.SassMixin(callable, t1._async_evaluate$_compileContext);
  	    },
  	    $signature: 168
  	  };
  	  A._EvaluateVisitor__closure5.prototype = {
  	    call$0() {
  	      var t1 = this.$this._async_evaluate$_environment,
  	        t2 = A.stringReplaceAllUnchecked(this.name._string$_text, "_", "-"),
  	        t3 = this.module;
  	      return t1.getMixin$2$namespace(t2, t3 == null ? null : t3._string$_text);
  	    },
  	    $signature: 103
  	  };
  	  A._EvaluateVisitor_closure22.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure1($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure1($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, callableNode, t2, t3, t4, t5, t6, t7, invocation, t1, $function, args;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              $function = t1.$index($arguments, 0);
  	              args = type$.SassArgumentList._as(t1.$index($arguments, 1));
  	              t1 = $async$self.$this;
  	              callableNode = t1._async_evaluate$_callableNode;
  	              t2 = callableNode.get$span(callableNode);
  	              t3 = callableNode.get$span(callableNode);
  	              args._wereKeywordsAccessed = true;
  	              t4 = args._keywords;
  	              if (t4.get$isEmpty(t4))
  	                t4 = null;
  	              else {
  	                t5 = type$.Value;
  	                t6 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t5);
  	                for (args._wereKeywordsAccessed = true, t4 = A.MapExtensions_get_pairs(t4, type$.String, t5), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	                  t7 = t4.get$current(t4);
  	                  t6.$indexSet(0, new A.SassString(t7._0, false), t7._1);
  	                }
  	                t4 = new A.ValueExpression(new A.SassMap(A.ConstantMap_ConstantMap$from(t6, t5, t5)), callableNode.get$span(callableNode));
  	              }
  	              invocation = A.ArgumentList$(B.List_empty9, B.Map_empty4, B.Map_empty5, t2, t4, new A.ValueExpression(args, t3));
  	              $async$goto = $function instanceof A.SassString ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              A.warnForDeprecation(string$.Passina + $function.toString$0(0) + "))", B.Deprecation_c4i);
  	              callableNode = t1._async_evaluate$_callableNode;
  	              t2 = $function._string$_text;
  	              t3 = callableNode.get$span(callableNode);
  	              t1 = t1.visitFunctionExpression$1(0, new A.FunctionExpression(null, A.stringReplaceAllUnchecked(t2, "_", "-"), t2, invocation, t3));
  	              $async$goto = 5;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$1);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              t2 = $function.assertFunction$1("function").assertCompileContext$1(t1._async_evaluate$_compileContext);
  	              t3 = t1._async_evaluate$_callableNode;
  	              t3.toString;
  	              $async$goto = 6;
  	              return A._asyncAwait(t1._async_evaluate$_runFunctionCallable$3(invocation, t2.callable, t3), $async$call$1);
  	            case 6:
  	              // returning from await.
  	              t3 = $async$result;
  	              $async$returnValue = t3;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 190
  	  };
  	  A._EvaluateVisitor_closure23.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure0($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure0($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, withMap, t2, t3, values, span, configuration, t1, url;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              url = A.Uri_parse(t1.$index($arguments, 0).assertString$1("url")._string$_text);
  	              t1 = t1.$index($arguments, 1).get$realNull();
  	              withMap = t1 == null ? null : t1.assertMap$1("with")._map$_contents;
  	              t1 = $async$self.$this;
  	              t2 = t1._async_evaluate$_callableNode;
  	              t2.toString;
  	              if (withMap != null) {
  	                t3 = {};
  	                values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue);
  	                span = t2.get$span(t2);
  	                t3.privateDeprecation = false;
  	                withMap.forEach$1(0, new A._EvaluateVisitor__closure3(t3, values, span, t2));
  	                configuration = new A.ExplicitConfiguration(t2, values, null);
  	              } else
  	                configuration = B.Configuration_Map_empty_null;
  	              t3 = t2.get$span(t2);
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_loadModule$7$baseUrl$configuration$namesInErrors(url, "load-css()", t2, new A._EvaluateVisitor__closure4(t1), t3.get$sourceUrl(t3), configuration, true), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate$_assertConfigurationIsEmpty$2$nameInError(configuration, true);
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 169
  	  };
  	  A._EvaluateVisitor__closure3.prototype = {
  	    call$2(variable, value) {
  	      var _this = this,
  	        t1 = variable.assertString$1("with key"),
  	        $name = A.stringReplaceAllUnchecked(t1._string$_text, "_", "-");
  	      t1 = _this.values;
  	      if (t1.containsKey$1($name))
  	        throw A.wrapException("The variable $" + $name + " was configured twice.");
  	      else if (B.JSString_methods.startsWith$1($name, "-") && !_this._box_0.privateDeprecation) {
  	        _this._box_0.privateDeprecation = true;
  	        A.warnForDeprecation("Configuring private variables (such as $" + $name + string$.x29x20is_dT, B.Deprecation_mXO);
  	      }
  	      t1.$indexSet(0, $name, new A.ConfiguredValue(value, _this.span, _this.callableNode));
  	    },
  	    $signature: 99
  	  };
  	  A._EvaluateVisitor__closure4.prototype = {
  	    call$2(module, _) {
  	      var t1 = this.$this;
  	      return t1._async_evaluate$_combineCss$2$clone(module, true).accept$1(t1);
  	    },
  	    $signature: 363
  	  };
  	  A._EvaluateVisitor_closure24.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, callableNode, invocation, t1, mixin, args;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              mixin = t1.$index($arguments, 0);
  	              args = type$.SassArgumentList._as(t1.$index($arguments, 1));
  	              t1 = $async$self.$this;
  	              callableNode = t1._async_evaluate$_callableNode;
  	              invocation = A.ArgumentList$(B.List_empty9, B.Map_empty4, B.Map_empty5, callableNode.get$span(callableNode), null, new A.ValueExpression(args, callableNode.get$span(callableNode)));
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_applyMixin$5(mixin.assertMixin$1("mixin").assertCompileContext$1(t1._async_evaluate$_compileContext).callable, t1._async_evaluate$_environment._async_environment$_content, invocation, callableNode, callableNode), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 169
  	  };
  	  A._EvaluateVisitor_run_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet),
  	        $async$returnValue, $async$self = this, module, t1, t2, _0_0, url;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node;
  	              t2 = t1.span;
  	              _0_0 = t2.get$sourceUrl(t2);
  	              url = null;
  	              if (_0_0 != null) {
  	                url = _0_0;
  	                t2 = $async$self.$this;
  	                t2._async_evaluate$_activeModules.$indexSet(0, url, null);
  	                t2._async_evaluate$_loadedUrls.add$1(0, url);
  	              }
  	              t2 = $async$self.$this;
  	              $async$goto = 3;
  	              return A._asyncAwait(t2._async_evaluate$_addExceptionTrace$1$1(new A._EvaluateVisitor_run__closure0(t2, $async$self.importer, t1), type$.Module_AsyncCallable), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              module = $async$result;
  	              $async$returnValue = new A._Record_2_loadedUrls_stylesheet(t2._async_evaluate$_loadedUrls, t2._async_evaluate$_combineCss$1(module));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 365
  	  };
  	  A._EvaluateVisitor_run__closure0.prototype = {
  	    call$0() {
  	      return this.$this._async_evaluate$_execute$2(this.importer, this.node);
  	    },
  	    $signature: 366
  	  };
  	  A._EvaluateVisitor__loadModule_closure1.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_0.builtInModule, false);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__loadModule_closure2.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__loadModule_closure();
  	    },
  	    $call$body$_EvaluateVisitor__loadModule_closure() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$handler = 1, $async$errorStack = [], $async$next = [], $async$self = this, canonicalUrl, oldInDependency, isDependency, t4, message, t1, stylesheet, importer, t2, t3, _1_0, $async$temp1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              stylesheet = null;
  	              importer = null;
  	              t2 = $async$self.$this;
  	              t3 = $async$self.nodeWithSpan;
  	              $async$goto = 2;
  	              return A._asyncAwait(t2._async_evaluate$_loadStylesheet$3$baseUrl($async$self.url.toString$0(0), t3.get$span(t3), $async$self.baseUrl), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              stylesheet = _1_0._0;
  	              importer = _1_0._1;
  	              isDependency = _1_0._2;
  	              t4 = stylesheet.span;
  	              canonicalUrl = t4.get$sourceUrl(t4);
  	              if (canonicalUrl != null) {
  	                t4 = t2._async_evaluate$_activeModules;
  	                if (t4.containsKey$1(canonicalUrl)) {
  	                  message = $async$self.namesInErrors ? "Module loop: " + $.$get$context().prettyUri$1(canonicalUrl) + " is already being loaded." : string$.Modulel;
  	                  t1 = A.NullableExtension_andThen(t4.$index(0, canonicalUrl), new A._EvaluateVisitor__loadModule__closure1(t2, message));
  	                  throw A.wrapException(t1 == null ? t2._async_evaluate$_exception$1(message) : t1);
  	                } else
  	                  t4.$indexSet(0, canonicalUrl, t3);
  	              }
  	              t4 = t2._async_evaluate$_modules.containsKey$1(canonicalUrl);
  	              oldInDependency = t2._async_evaluate$_inDependency;
  	              t2._async_evaluate$_inDependency = isDependency;
  	              t1.module = null;
  	              $async$handler = 3;
  	              $async$temp1 = t1;
  	              $async$goto = 6;
  	              return A._asyncAwait(t2._async_evaluate$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, $async$self.configuration, $async$self.namesInErrors, t3), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.module = $async$result;
  	              $async$next.push(5);
  	              // goto finally
  	              $async$goto = 4;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [1];
  	            case 4:
  	              // finally
  	              $async$handler = 1;
  	              t2._async_evaluate$_activeModules.remove$1(0, canonicalUrl);
  	              t2._async_evaluate$_inDependency = oldInDependency;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 5:
  	              // after finally
  	              $async$goto = 7;
  	              return A._asyncAwait(t2._addExceptionSpanAsync$1$3$addStackFrame(t3, new A._EvaluateVisitor__loadModule__closure2(t1, $async$self.callback, !t4), false, type$.void), $async$call$0);
  	            case 7:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	            case 1:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__loadModule__closure1.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._async_evaluate$_multiSpanException$3(this.message, "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 111
  	  };
  	  A._EvaluateVisitor__loadModule__closure2.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_1.module, this.firstLoad);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__execute_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t3, t4, t5, t6, t1, oldImporter, oldStylesheet, oldRoot, oldPreModuleComments, oldParent, oldEndOfImports, oldOutOfOrderImports, oldExtensionStore, t2, oldStyleRule, oldMediaQueries, oldDeclarationName, oldInUnknownAtRule, oldInKeyframes, oldConfiguration;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldImporter = t1._async_evaluate$_importer;
  	              oldStylesheet = t1._async_evaluate$__stylesheet;
  	              oldRoot = t1._async_evaluate$__root;
  	              oldPreModuleComments = t1._async_evaluate$_preModuleComments;
  	              oldParent = t1._async_evaluate$__parent;
  	              oldEndOfImports = t1._async_evaluate$__endOfImports;
  	              oldOutOfOrderImports = t1._async_evaluate$_outOfOrderImports;
  	              oldExtensionStore = t1._async_evaluate$__extensionStore;
  	              t2 = t1._async_evaluate$_atRootExcludingStyleRule;
  	              oldStyleRule = t2 ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              oldMediaQueries = t1._async_evaluate$_mediaQueries;
  	              oldDeclarationName = t1._async_evaluate$_declarationName;
  	              oldInUnknownAtRule = t1._async_evaluate$_inUnknownAtRule;
  	              oldInKeyframes = t1._async_evaluate$_inKeyframes;
  	              oldConfiguration = t1._async_evaluate$_configuration;
  	              t1._async_evaluate$_importer = $async$self.importer;
  	              t3 = t1._async_evaluate$__stylesheet = $async$self.stylesheet;
  	              t4 = t3.span;
  	              t5 = t1._async_evaluate$__parent = t1._async_evaluate$__root = A.ModifiableCssStylesheet$(t4);
  	              t1._async_evaluate$__endOfImports = 0;
  	              t1._async_evaluate$_outOfOrderImports = null;
  	              t1._async_evaluate$__extensionStore = $async$self.extensionStore;
  	              t1._async_evaluate$_declarationName = t1._async_evaluate$_mediaQueries = t1._async_evaluate$_styleRuleIgnoringAtRoot = null;
  	              t1._async_evaluate$_inKeyframes = t1._async_evaluate$_atRootExcludingStyleRule = t1._async_evaluate$_inUnknownAtRule = false;
  	              t6 = $async$self.configuration;
  	              if (t6 != null)
  	                t1._async_evaluate$_configuration = t6;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, t3), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              t3 = t1._async_evaluate$_outOfOrderImports == null ? t5 : new A.CssStylesheet(new A.UnmodifiableListView(t1._async_evaluate$_addOutOfOrderImports$0(), type$.UnmodifiableListView_CssNode), t4);
  	              $async$self.css.__late_helper$_value = t3;
  	              $async$self.preModuleComments.__late_helper$_value = t1._async_evaluate$_preModuleComments;
  	              t1._async_evaluate$_importer = oldImporter;
  	              t1._async_evaluate$__stylesheet = oldStylesheet;
  	              t1._async_evaluate$__root = oldRoot;
  	              t1._async_evaluate$_preModuleComments = oldPreModuleComments;
  	              t1._async_evaluate$__parent = oldParent;
  	              t1._async_evaluate$__endOfImports = oldEndOfImports;
  	              t1._async_evaluate$_outOfOrderImports = oldOutOfOrderImports;
  	              t1._async_evaluate$__extensionStore = oldExtensionStore;
  	              t1._async_evaluate$_styleRuleIgnoringAtRoot = oldStyleRule;
  	              t1._async_evaluate$_mediaQueries = oldMediaQueries;
  	              t1._async_evaluate$_declarationName = oldDeclarationName;
  	              t1._async_evaluate$_inUnknownAtRule = oldInUnknownAtRule;
  	              t1._async_evaluate$_atRootExcludingStyleRule = t2;
  	              t1._async_evaluate$_inKeyframes = oldInKeyframes;
  	              t1._async_evaluate$_configuration = oldConfiguration;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__combineCss_closure1.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 102
  	  };
  	  A._EvaluateVisitor__combineCss_closure2.prototype = {
  	    call$1(target) {
  	      return !this.selectors.contains$1(0, target);
  	    },
  	    $signature: 14
  	  };
  	  A._EvaluateVisitor__combineCss_visitModule0.prototype = {
  	    call$1(module) {
  	      var t1, t2, t3, t4, _i, upstream, _1_0, statements, index, _this = this;
  	      if (!_this.seen.add$1(0, module))
  	        return;
  	      if (_this.clone)
  	        module = module.cloneCss$0();
  	      for (t1 = module.get$upstream(), t2 = t1.length, t3 = _this.css, t4 = _this.imports, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        upstream = t1[_i];
  	        if (upstream.get$transitivelyContainsCss()) {
  	          _1_0 = module.get$preModuleComments().$index(0, upstream);
  	          if (_1_0 != null)
  	            B.JSArray_methods.addAll$1(t3.length === 0 ? t4 : t3, _1_0);
  	          _this.call$1(upstream);
  	        }
  	      }
  	      _this.sorted.addFirst$1(module);
  	      t1 = module.get$css(module);
  	      statements = t1.get$children(t1);
  	      index = _this.$this._async_evaluate$_indexAfterImports$1(statements);
  	      t1 = J.getInterceptor$ax(statements);
  	      B.JSArray_methods.addAll$1(t4, t1.getRange$2(statements, 0, index));
  	      B.JSArray_methods.addAll$1(t3, t1.getRange$2(statements, index, t1.get$length(statements)));
  	    },
  	    $signature: 374
  	  };
  	  A._EvaluateVisitor__extendModules_closure1.prototype = {
  	    call$1(target) {
  	      return !this.originalSelectors.contains$1(0, target);
  	    },
  	    $signature: 14
  	  };
  	  A._EvaluateVisitor__extendModules_closure2.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_ExtensionStore);
  	    },
  	    $signature: 170
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure1.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure5.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, oldParent;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldParent = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__parent, "__parent");
  	              t1._async_evaluate$__parent = $async$self.newParent;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_environment.scope$1$2$when(callback, $async$self.node.hasDeclarations, type$.void), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate$__parent = oldParent;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure6.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, oldAtRootExcludingStyleRule;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldAtRootExcludingStyleRule = t1._async_evaluate$_atRootExcludingStyleRule;
  	              t1._async_evaluate$_atRootExcludingStyleRule = true;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure7.prototype = {
  	    call$1(callback) {
  	      return this.$this._async_evaluate$_withMediaQueries$1$3(null, null, new A._EvaluateVisitor__scopeForAtRoot__closure0(this.innerScope, callback), type$.Null);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot__closure0.prototype = {
  	    call$0() {
  	      return this.innerScope.call$1(this.callback);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure8.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, wasInKeyframes;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              wasInKeyframes = t1._async_evaluate$_inKeyframes;
  	              t1._async_evaluate$_inKeyframes = false;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate$_inKeyframes = wasInKeyframes;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure9.prototype = {
  	    call$1($parent) {
  	      return $parent instanceof A.ModifiableCssAtRule;
  	    },
  	    $signature: 172
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure10.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, wasInUnknownAtRule;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              wasInUnknownAtRule = t1._async_evaluate$_inUnknownAtRule;
  	              t1._async_evaluate$_inUnknownAtRule = false;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate$_inUnknownAtRule = wasInUnknownAtRule;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor_visitContentRule_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.content.declaration.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 6:
  	              // returning from await.
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitDeclaration_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._box_0.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure2.prototype = {
  	    call$1(value) {
  	      var t1 = this.$this,
  	        t2 = this.nodeWithSpan;
  	      return t1._async_evaluate$_environment.setLocalVariable$3(this._box_0.variable, t1._async_evaluate$_withoutSlash$2(value, t2), t2);
  	    },
  	    $signature: 58
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure3.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate$_setMultipleVariables$3(this._box_1.variables, value, this.nodeWithSpan);
  	    },
  	    $signature: 58
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure4.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      return t1._async_evaluate$_handleReturn$2(_this.list.get$asList(), new A._EvaluateVisitor_visitEachRule__closure0(t1, _this.setVariables, _this.node));
  	    },
  	    $signature: 69
  	  };
  	  A._EvaluateVisitor_visitEachRule__closure0.prototype = {
  	    call$1(element) {
  	      var t1;
  	      this.setVariables.call$1(element);
  	      t1 = this.$this;
  	      return t1._async_evaluate$_handleReturn$2(this.node.children, new A._EvaluateVisitor_visitEachRule___closure0(t1));
  	    },
  	    $signature: 418
  	  };
  	  A._EvaluateVisitor_visitEachRule___closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 87
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure3.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate$_interpolationToValue$3$trim$warnForColor(value, true, true);
  	    },
  	    $signature: 348
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure4.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, styleRule;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              styleRule = t1._async_evaluate$_atRootExcludingStyleRule ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$goto = styleRule == null || t1._async_evaluate$_inKeyframes || $async$self.name.value === "font-face" ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              t2 = $async$self.children, t3 = t2.length, _i = 0;
  	            case 5:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              $async$goto = 8;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	            case 6:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 5;
  	              break;
  	            case 7:
  	              // after for
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              $async$goto = 9;
  	              return A._asyncAwait(t1._async_evaluate$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(styleRule._style_rule$_selector, styleRule.span, false, styleRule.originalSelector), new A._EvaluateVisitor_visitAtRule__closure0(t1, $async$self.children), false, type$.ModifiableCssStyleRule, type$.Null), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure6.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitForRule_closure4.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber),
  	        $async$returnValue, $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self.node.from.accept$1($async$self.$this), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.assertNumber$0();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 175
  	  };
  	  A._EvaluateVisitor_visitForRule_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber),
  	        $async$returnValue, $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self.node.to.accept$1($async$self.$this), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.assertNumber$0();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 175
  	  };
  	  A._EvaluateVisitor_visitForRule_closure6.prototype = {
  	    call$0() {
  	      return this.fromNumber.assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure7.prototype = {
  	    call$0() {
  	      var t1 = this.fromNumber;
  	      return this.toNumber.coerce$2(t1.get$numeratorUnits(t1), t1.get$denominatorUnits(t1)).assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure8.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, i, t3, t4, t5, t6, t7, t8, _0_0, t1, t2, nodeWithSpan;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.node;
  	              nodeWithSpan = t1._async_evaluate$_expressionNode$1(t2.from);
  	              i = $async$self.from, t3 = $async$self._box_0, t4 = $async$self.direction, t5 = t2.variable, t6 = $async$self.fromNumber, t2 = t2.children;
  	            case 3:
  	              // for condition
  	              if (!(i !== t3.to)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t7 = t1._async_evaluate$_environment;
  	              t8 = t6.get$numeratorUnits(t6);
  	              t7.setLocalVariable$3(t5, A.SassNumber_SassNumber$withUnits(i, t6.get$denominatorUnits(t6), t8), nodeWithSpan);
  	              $async$goto = 6;
  	              return A._asyncAwait(t1._async_evaluate$_handleReturn$2(t2, new A._EvaluateVisitor_visitForRule__closure0(t1)), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              i += t4;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 69
  	  };
  	  A._EvaluateVisitor_visitForRule__closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 87
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure1.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._async_evaluate$_registerCommentsForModule$1(module);
  	      this.$this._async_evaluate$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 141
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure2.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._async_evaluate$_registerCommentsForModule$1(module);
  	      this.$this._async_evaluate$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 141
  	  };
  	  A._EvaluateVisitor__registerCommentsForModule_closure0.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_CssComment);
  	    },
  	    $signature: 177
  	  };
  	  A._EvaluateVisitor_visitIfRule_closure0.prototype = {
  	    call$1(clause) {
  	      var t1 = this.$this;
  	      return t1._async_evaluate$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitIfRule__closure0(t1, clause), true, clause.hasDeclarations, type$.nullable_Value);
  	    },
  	    $signature: 449
  	  };
  	  A._EvaluateVisitor_visitIfRule__closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._async_evaluate$_handleReturn$2(this.clause.children, new A._EvaluateVisitor_visitIfRule___closure0(t1));
  	    },
  	    $signature: 69
  	  };
  	  A._EvaluateVisitor_visitIfRule___closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 87
  	  };
  	  A._EvaluateVisitor__visitDynamicImport_closure0.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__visitDynamicImport_closure();
  	    },
  	    $call$body$_EvaluateVisitor__visitDynamicImport_closure() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, stylesheet, importer, isDependency, t3, url, oldImporter, oldStylesheet, oldInDependency, loadsUserDefinedModules, children, t4, t5, t6, t7, t8, t9, t10, t11, environment, module, visitor, _box_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _box_0 = {};
  	              _box_0.isDependency = _box_0.importer = _box_0.stylesheet = null;
  	              t1 = $async$self.$this;
  	              t2 = $async$self.$import;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_evaluate$_loadStylesheet$3$forImport(t2.urlString, t2.span, true), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              stylesheet = _box_0.stylesheet = _0_0._0;
  	              importer = _0_0._1;
  	              _box_0.importer = importer;
  	              isDependency = _0_0._2;
  	              _box_0.isDependency = isDependency;
  	              t3 = stylesheet.span;
  	              url = t3.get$sourceUrl(t3);
  	              if (url != null) {
  	                t3 = t1._async_evaluate$_activeModules;
  	                if (t3.containsKey$1(url)) {
  	                  t2 = A.NullableExtension_andThen(t3.$index(0, url), new A._EvaluateVisitor__visitDynamicImport__closure3(t1));
  	                  throw A.wrapException(t2 == null ? t1._async_evaluate$_exception$1("This file is already being loaded.") : t2);
  	                }
  	                t3.$indexSet(0, url, t2);
  	              }
  	              t2 = stylesheet._uses;
  	              t3 = type$.UnmodifiableListView_UseRule;
  	              $async$goto = new A.UnmodifiableListView(t2, t3).get$length(0) === 0 && new A.UnmodifiableListView(stylesheet._forwards, type$.UnmodifiableListView_ForwardRule).get$length(0) === 0 ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              oldImporter = t1._async_evaluate$_importer;
  	              oldStylesheet = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__stylesheet, "_stylesheet");
  	              oldInDependency = t1._async_evaluate$_inDependency;
  	              t1._async_evaluate$_importer = importer;
  	              t1._async_evaluate$__stylesheet = stylesheet;
  	              t1._async_evaluate$_inDependency = isDependency;
  	              $async$goto = 6;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, stylesheet), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              t1._async_evaluate$_importer = oldImporter;
  	              t1._async_evaluate$__stylesheet = oldStylesheet;
  	              t1._async_evaluate$_inDependency = oldInDependency;
  	              t1._async_evaluate$_activeModules.remove$1(0, url);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              t2 = new A.UnmodifiableListView(t2, t3);
  	              if (!t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure4())) {
  	                t2 = new A.UnmodifiableListView(stylesheet._forwards, type$.UnmodifiableListView_ForwardRule);
  	                loadsUserDefinedModules = t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure5());
  	              } else
  	                loadsUserDefinedModules = true;
  	              children = A._Cell$();
  	              t2 = t1._async_evaluate$_environment;
  	              t3 = type$.String;
  	              t4 = type$.Module_AsyncCallable;
  	              t5 = type$.AstNode;
  	              t6 = t2._async_environment$_nestedForwardedModules;
  	              t7 = A._setArrayType([], type$.JSArray_Module_AsyncCallable);
  	              t8 = t2._async_environment$_variables;
  	              t8 = A._setArrayType(t8.slice(0), A._arrayInstanceType(t8));
  	              t9 = t2._async_environment$_variableNodes;
  	              t9 = A._setArrayType(t9.slice(0), A._arrayInstanceType(t9));
  	              t10 = t2._async_environment$_functions;
  	              t10 = A._setArrayType(t10.slice(0), A._arrayInstanceType(t10));
  	              t11 = t2._async_environment$_mixins;
  	              t11 = A._setArrayType(t11.slice(0), A._arrayInstanceType(t11));
  	              environment = A.AsyncEnvironment$_(A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t3, t5), A.LinkedHashMap_LinkedHashMap$_empty(t4, t5), t2._async_environment$_importedModules, null, t6, t7, t8, t9, t10, t11, t2._async_environment$_content, t2._async_environment$_configurableVariables);
  	              $async$goto = 7;
  	              return A._asyncAwait(t1._async_evaluate$_withEnvironment$1$2(environment, new A._EvaluateVisitor__visitDynamicImport__closure6(_box_0, t1, loadsUserDefinedModules, environment, children), type$.Null), $async$call$0);
  	            case 7:
  	              // returning from await.
  	              module = environment.toDummyModule$0();
  	              t1._async_evaluate$_environment.importForwards$1(module);
  	              $async$goto = loadsUserDefinedModules ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$goto = module.transitivelyContainsCss ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              $async$goto = 12;
  	              return A._asyncAwait(t1._async_evaluate$_combineCss$2$clone(module, module.transitivelyContainsExtensions).accept$1(t1), $async$call$0);
  	            case 12:
  	              // returning from await.
  	            case 11:
  	              // join
  	              visitor = new A._ImportedCssVisitor0(t1);
  	              for (t2 = J.get$iterator$ax(children._readLocal$0()); t2.moveNext$0();)
  	                t2.get$current(t2).accept$1(visitor);
  	            case 9:
  	              // join
  	              t1._async_evaluate$_activeModules.remove$1(0, url);
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure3.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._async_evaluate$_multiSpanException$3("This file is already being loaded.", "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 111
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure4.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 178
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure5.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 179
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t3, t4, t1, oldImporter, oldStylesheet, oldRoot, oldParent, oldEndOfImports, oldOutOfOrderImports, oldConfiguration, oldInDependency, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldImporter = t1._async_evaluate$_importer;
  	              oldStylesheet = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__stylesheet, "_stylesheet");
  	              oldRoot = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__root, "_root");
  	              oldParent = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__parent, "__parent");
  	              oldEndOfImports = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__endOfImports, "_endOfImports");
  	              oldOutOfOrderImports = t1._async_evaluate$_outOfOrderImports;
  	              oldConfiguration = t1._async_evaluate$_configuration;
  	              oldInDependency = t1._async_evaluate$_inDependency;
  	              t2 = $async$self._box_0;
  	              t1._async_evaluate$_importer = t2.importer;
  	              t3 = t2.stylesheet;
  	              t1._async_evaluate$__stylesheet = t3;
  	              t4 = $async$self.loadsUserDefinedModules;
  	              if (t4) {
  	                t3 = A.ModifiableCssStylesheet$(t3.span);
  	                t1._async_evaluate$__root = t3;
  	                t1._async_evaluate$__parent = t1._async_evaluate$_assertInModule$2(t3, "_root");
  	                t1._async_evaluate$__endOfImports = 0;
  	                t1._async_evaluate$_outOfOrderImports = null;
  	              }
  	              t1._async_evaluate$_inDependency = t2.isDependency;
  	              t3 = new A.UnmodifiableListView(t2.stylesheet._forwards, type$.UnmodifiableListView_ForwardRule);
  	              if (!t3.get$isEmpty(t3))
  	                t1._async_evaluate$_configuration = $async$self.environment.toImplicitConfiguration$0();
  	              $async$goto = 2;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, t2.stylesheet), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              t2 = t4 ? t1._async_evaluate$_addOutOfOrderImports$0() : A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	              $async$self.children.__late_helper$_value = t2;
  	              t1._async_evaluate$_importer = oldImporter;
  	              t1._async_evaluate$__stylesheet = oldStylesheet;
  	              if (t4) {
  	                t1._async_evaluate$__root = oldRoot;
  	                t1._async_evaluate$__parent = oldParent;
  	                t1._async_evaluate$__endOfImports = oldEndOfImports;
  	                t1._async_evaluate$_outOfOrderImports = oldOutOfOrderImports;
  	              }
  	              t1._async_evaluate$_configuration = oldConfiguration;
  	              t1._async_evaluate$_inDependency = oldInDependency;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__applyMixin_closure1.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin__closure2(t1, $async$self.$arguments, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.$this._async_evaluate$_runBuiltInCallable$3($async$self.$arguments, $async$self.mixin, $async$self.nodeWithSpanWithoutContent), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_environment.withContent$2($async$self.contentCallable, new A._EvaluateVisitor__applyMixin__closure1(t1, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__applyMixin__closure1.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin___closure0(t1, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin___closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, t3, t4, t5, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.mixin.declaration.children, t2 = t1.length, t3 = $async$self.$this, t4 = $async$self.nodeWithSpanWithoutContent, t5 = type$.nullable_Value, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t3._async_evaluate$_addErrorSpan$1$2(t4, new A._EvaluateVisitor__applyMixin____closure0(t3, t1[_i]), t5), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin____closure0.prototype = {
  	    call$0() {
  	      return this.statement.accept$1(this.$this);
  	    },
  	    $signature: 69
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_environment.getMixin$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 103
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure3.prototype = {
  	    call$1($content) {
  	      var t1 = this.$this;
  	      return new A.UserDefinedCallable($content, t1._async_evaluate$_environment.closure$0(), t1._async_evaluate$_inDependency, type$.UserDefinedCallable_AsyncEnvironment);
  	    },
  	    $signature: 454
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure4.prototype = {
  	    call$0() {
  	      return this.node.get$spanWithoutContent();
  	    },
  	    $signature: 16
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure4.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._async_evaluate$_mergeMediaQueries$2(mediaQueries, this.queries);
  	    },
  	    $signature: 89
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.mergedQueries;
  	              if (t2 == null)
  	                t2 = $async$self.queries;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_withMediaQueries$1$3(t2, $async$self.mergedSources, new A._EvaluateVisitor_visitMediaRule__closure0(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate$_atRootExcludingStyleRule ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitMediaRule___closure0(t1, $async$self.node), false, type$.ModifiableCssStyleRule, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.length, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule___closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure6.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure4.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_withStyleRule$1$2($async$self.rule, new A._EvaluateVisitor_visitStyleRule__closure0(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure5.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__warnForBogusCombinators_closure0.prototype = {
  	    call$1(child) {
  	      return child instanceof A.ModifiableCssComment;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate$_atRootExcludingStyleRule ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate$_withParent$2$2(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitSupportsRule__closure0(t1, $async$self.node), type$.ModifiableCssStyleRule, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.length, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure4.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__visitSupportsCondition_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, $async$temp1, $async$temp2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self._box_0;
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._evaluateToCss$1(t2.declaration.name), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              t3 = $async$temp1.S($async$result);
  	              t4 = t2.declaration.get$isCustomProperty() ? "" : " ";
  	              $async$temp1 = "(" + t3 + ":" + t4;
  	              $async$temp2 = A;
  	              $async$goto = 4;
  	              return A._asyncAwait(t1._evaluateToCss$1(t2.declaration.value), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1 + $async$temp2.S($async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 181
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.$this._async_evaluate$_environment,
  	        t2 = this._box_0.override;
  	      t1.setVariable$4$global(this.node.name, t2.value, t2.assignmentNode, true);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure3.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure4.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      t1._async_evaluate$_environment.setVariable$5$global$namespace(t2.name, this.value, t1._async_evaluate$_expressionNode$1(t2.expression), t2.isGlobal, t2.namespace);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitUseRule_closure0.prototype = {
  	    call$2(module, firstLoad) {
  	      var t1, t2, t3, _0_0, t4, t5, span;
  	      if (firstLoad)
  	        this.$this._async_evaluate$_registerCommentsForModule$1(module);
  	      t1 = this.$this._async_evaluate$_environment;
  	      t2 = this.node;
  	      t3 = t2.namespace;
  	      if (t3 == null) {
  	        t1._async_environment$_globalModules.$indexSet(0, module, t2);
  	        t1._async_environment$_allModules.push(module);
  	        t1 = B.JSArray_methods.get$first(t1._async_environment$_variables);
  	        _0_0 = A.IterableExtension_firstWhereOrNull(t1.get$keys(t1), module.get$variables().get$containsKey());
  	        if (_0_0 != null)
  	          A.throwExpression(A.SassScriptException$(string$.This_ma + _0_0 + '".', null));
  	      } else {
  	        t4 = t1._async_environment$_modules;
  	        if (t4.containsKey$1(t3)) {
  	          t5 = t1._async_environment$_namespaceNodes.$index(0, t3);
  	          span = t5 == null ? null : t5.span;
  	          t5 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (span != null)
  	            t5.$indexSet(0, span, "original @use");
  	          A.throwExpression(A.MultiSpanSassScriptException$(string$.There_ + t3 + '".', "new @use", t5));
  	        }
  	        t4.$indexSet(0, t3, module);
  	        t1._async_environment$_namespaceNodes.$indexSet(0, t3, t2);
  	        t1._async_environment$_allModules.push(module);
  	      }
  	    },
  	    $signature: 141
  	  };
  	  A._EvaluateVisitor_visitWarnRule_closure0.prototype = {
  	    call$0() {
  	      return this.node.expression.accept$1(this.$this);
  	    },
  	    $signature: 72
  	  };
  	  A._EvaluateVisitor_visitWhileRule_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node, t2 = t1.condition, t3 = $async$self.$this, t1 = t1.children;
  	            case 3:
  	              // for condition
  	              $async$goto = 5;
  	              return A._asyncAwait(t2.accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              if (!$async$result.get$isTruthy()) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t3._async_evaluate$_handleReturn$2(t1, new A._EvaluateVisitor_visitWhileRule__closure0(t3)), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 69
  	  };
  	  A._EvaluateVisitor_visitWhileRule__closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 87
  	  };
  	  A._EvaluateVisitor_visitBinaryOperationExpression_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t3, t1, t2, left, $async$temp1, $async$temp2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node;
  	              t2 = $async$self.$this;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1.left.accept$1(t2), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              left = $async$result;
  	            case 4:
  	              // switch
  	              switch (t1.operator.index) {
  	                case 0:
  	                  // goto case
  	                  $async$goto = 6;
  	                  break;
  	                case 1:
  	                  // goto case
  	                  $async$goto = 7;
  	                  break;
  	                case 2:
  	                  // goto case
  	                  $async$goto = 8;
  	                  break;
  	                case 3:
  	                  // goto case
  	                  $async$goto = 9;
  	                  break;
  	                case 4:
  	                  // goto case
  	                  $async$goto = 10;
  	                  break;
  	                case 5:
  	                  // goto case
  	                  $async$goto = 11;
  	                  break;
  	                case 6:
  	                  // goto case
  	                  $async$goto = 12;
  	                  break;
  	                case 7:
  	                  // goto case
  	                  $async$goto = 13;
  	                  break;
  	                case 8:
  	                  // goto case
  	                  $async$goto = 14;
  	                  break;
  	                case 9:
  	                  // goto case
  	                  $async$goto = 15;
  	                  break;
  	                case 10:
  	                  // goto case
  	                  $async$goto = 16;
  	                  break;
  	                case 11:
  	                  // goto case
  	                  $async$goto = 17;
  	                  break;
  	                case 12:
  	                  // goto case
  	                  $async$goto = 18;
  	                  break;
  	                case 13:
  	                  // goto case
  	                  $async$goto = 19;
  	                  break;
  	                default:
  	                  // goto default
  	                  $async$goto = 20;
  	                  break;
  	              }
  	              break;
  	            case 6:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 21;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 21:
  	              // returning from await.
  	              t1 = $async$result;
  	              t1 = new A.SassString(A.serializeValue(left, false, true) + "=" + A.serializeValue(t1, false, true), false);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 7:
  	              // case
  	              $async$goto = left.get$isTruthy() ? 22 : 24;
  	              break;
  	            case 22:
  	              // then
  	              t1 = left;
  	              // goto join
  	              $async$goto = 23;
  	              break;
  	            case 24:
  	              // else
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 25;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 25:
  	              // returning from await.
  	              t1 = $async$result;
  	            case 23:
  	              // join
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 8:
  	              // case
  	              $async$goto = left.get$isTruthy() ? 26 : 28;
  	              break;
  	            case 26:
  	              // then
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 29;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 29:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto join
  	              $async$goto = 27;
  	              break;
  	            case 28:
  	              // else
  	              t1 = left;
  	            case 27:
  	              // join
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 9:
  	              // case
  	              $async$temp1 = left;
  	              $async$goto = 30;
  	              return A._asyncAwait(t1.right.accept$1(t2), $async$call$0);
  	            case 30:
  	              // returning from await.
  	              t1 = $async$temp1.$eq(0, $async$result) ? B.SassBoolean_true : B.SassBoolean_false;
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 10:
  	              // case
  	              $async$temp1 = left;
  	              $async$goto = 31;
  	              return A._asyncAwait(t1.right.accept$1(t2), $async$call$0);
  	            case 31:
  	              // returning from await.
  	              t1 = !$async$temp1.$eq(0, $async$result) ? B.SassBoolean_true : B.SassBoolean_false;
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 11:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 32;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 32:
  	              // returning from await.
  	              t1 = $async$temp1.greaterThan$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 12:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 33;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 33:
  	              // returning from await.
  	              t1 = $async$temp1.greaterThanOrEquals$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 13:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 34;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 34:
  	              // returning from await.
  	              t1 = $async$temp1.lessThan$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 14:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 35;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 35:
  	              // returning from await.
  	              t1 = $async$temp1.lessThanOrEquals$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 15:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 36;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 36:
  	              // returning from await.
  	              t1 = $async$temp1.plus$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 16:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 37;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 37:
  	              // returning from await.
  	              t1 = $async$temp1.minus$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 17:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 38;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 38:
  	              // returning from await.
  	              t1 = $async$temp1.times$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 18:
  	              // case
  	              t3 = t1.right.accept$1(t2);
  	              $async$temp1 = t2;
  	              $async$temp2 = left;
  	              $async$goto = 39;
  	              return A._asyncAwait(type$.Future_Value._is(t3) ? t3 : A._Future$value(t3, type$.Value), $async$call$0);
  	            case 39:
  	              // returning from await.
  	              t1 = $async$temp1._async_evaluate$_slash$3($async$temp2, $async$result, t1);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 19:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 40;
  	              return A._asyncAwait(type$.Future_Value._is(t1) ? t1 : A._Future$value(t1, type$.Value), $async$call$0);
  	            case 40:
  	              // returning from await.
  	              t1 = $async$temp1.modulo$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 20:
  	              // default
  	              t1 = null;
  	            case 5:
  	              // after switch
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 72
  	  };
  	  A._EvaluateVisitor__slash_recommendation0.prototype = {
  	    call$1(expression) {
  	      var t1;
  	      $label0$0: {
  	        if (expression instanceof A.BinaryOperationExpression && B.BinaryOperator_ehp === expression.operator) {
  	          t1 = "math.div(" + A.S(this.call$1(expression.left)) + ", " + A.S(this.call$1(expression.right)) + ")";
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.ParenthesizedExpression) {
  	          t1 = expression.expression.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = expression.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 133
  	  };
  	  A._EvaluateVisitor_visitVariableExpression_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitUnaryOperationExpression_closure0.prototype = {
  	    call$0() {
  	      var t1, _this = this;
  	      switch (_this.node.operator.index) {
  	        case 0:
  	          t1 = _this.operand.unaryPlus$0();
  	          break;
  	        case 1:
  	          t1 = _this.operand.unaryMinus$0();
  	          break;
  	        case 2:
  	          t1 = new A.SassString("/" + A.serializeValue(_this.operand, false, true), false);
  	          break;
  	        case 3:
  	          t1 = _this.operand.unaryNot$0();
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_visitIfExpression_closure0.prototype = {
  	    call$1(pair) {
  	      return pair._0 + ": " + pair._1.toString$0(0);
  	    },
  	    $signature: 183
  	  };
  	  A._EvaluateVisitor_visitIfConditionOperation_closure0.prototype = {
  	    call$1(pair) {
  	      return pair._1;
  	    },
  	    $signature: 184
  	  };
  	  A._EvaluateVisitor_visitListExpression_closure0.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 493
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_environment.getFunction$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 103
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure3.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(B.C_IsCalculationSafeVisitor);
  	    },
  	    $signature: 74
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure4.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_runFunctionCallable$3(t1.$arguments, this._box_0.$function, t1);
  	    },
  	    $signature: 72
  	  };
  	  A._EvaluateVisitor__visitCalculation_closure0.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._async_evaluate$_warn$3(message, this.node.span, deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 105
  	  };
  	  A._EvaluateVisitor__checkCalculationArguments_check0.prototype = {
  	    call$1(maxArgs) {
  	      var t1 = this.node,
  	        t2 = t1.$arguments.positional.length;
  	      if (t2 === 0)
  	        throw A.wrapException(this.$this._async_evaluate$_exception$2("Missing argument.", t1.span));
  	      else if (maxArgs != null && t2 > maxArgs)
  	        throw A.wrapException(this.$this._async_evaluate$_exception$2("Only " + A.S(maxArgs) + " " + A.pluralize("argument", maxArgs, null) + " allowed, but " + t2 + " " + A.pluralize("was", t2, "were") + " passed.", t1.span));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    $signature: 82
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self._box_0;
  	              t3 = $async$self.node;
  	              t4 = $async$self.inLegacySassFunction;
  	              $async$temp1 = A;
  	              $async$temp2 = t1._async_evaluate$_binaryOperatorToCalculationOperator$2(t2.operator, t3);
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(t2.left, t4), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$temp3 = $async$result;
  	              $async$goto = 4;
  	              return A._asyncAwait(t1._async_evaluate$_visitCalculationExpression$2$inLegacySassFunction(t2.right, t4), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.SassCalculation_operateInternal($async$temp2, $async$temp3, $async$result, t4, !t1._async_evaluate$_inSupportsDeclaration, new A._EvaluateVisitor__visitCalculationExpression__closure0(t1, t3));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 185
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression__closure0.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._async_evaluate$_warn$3(message, this.node.get$span(0), deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 105
  	  };
  	  A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate$_runFunctionCallable$3(t1.$arguments, this.$function, t1);
  	    },
  	    $signature: 72
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable_closure0.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.callable,
  	        t3 = _this.V;
  	      return t1._async_evaluate$_withEnvironment$1$2(t2.environment.closure$0(), new A._EvaluateVisitor__runUserDefinedCallable__closure0(t1, _this.evaluated, t2, _this.nodeWithSpan, _this.run, t3), t3);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable__closure0.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.V;
  	      return t1._async_evaluate$_environment.scope$1$1(new A._EvaluateVisitor__runUserDefinedCallable___closure0(t1, _this.evaluated, _this.callable, _this.nodeWithSpan, _this.run, t2), t2);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable___closure0.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__runUserDefinedCallable___closure(this.V);
  	    },
  	    $call$body$_EvaluateVisitor__runUserDefinedCallable___closure($async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, parameters, t5, minLength, i, parameter, t6, value, t7, t8, restParameter, rest, argumentList, result, parameterWord, t1, t2, t3, t4, $async$temp1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.evaluated._values;
  	              t3 = $async$self.callable.declaration.parameters;
  	              t4 = $async$self.nodeWithSpan;
  	              t1._async_evaluate$_verifyArguments$4(J.get$length$asx(t2[2]), t2[0], t3, t4);
  	              parameters = t3.parameters;
  	              t5 = parameters.length;
  	              minLength = Math.min(J.get$length$asx(t2[2]), t5);
  	              for (i = 0; i < minLength; ++i)
  	                t1._async_evaluate$_environment.setLocalVariable$3(parameters[i].name, J.$index$asx(t2[2], i), J.$index$asx(t2[3], i));
  	              i = J.get$length$asx(t2[2]);
  	            case 3:
  	              // for condition
  	              if (!(i < t5)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              parameter = parameters[i];
  	              t6 = parameter.name;
  	              value = t2[0].remove$1(0, t6);
  	              $async$goto = value == null ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              t7 = parameter.defaultValue;
  	              $async$temp1 = t1;
  	              $async$goto = 8;
  	              return A._asyncAwait(t7.accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              value = $async$temp1._async_evaluate$_withoutSlash$2($async$result, t1._async_evaluate$_expressionNode$1(t7));
  	            case 7:
  	              // join
  	              t7 = t1._async_evaluate$_environment;
  	              t8 = t2[1].$index(0, t6);
  	              if (t8 == null) {
  	                t8 = parameter.defaultValue;
  	                t8.toString;
  	                t8 = t1._async_evaluate$_expressionNode$1(t8);
  	              }
  	              t7.setLocalVariable$3(t6, value, t8);
  	            case 4:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              restParameter = t3.restParameter;
  	              if (restParameter != null) {
  	                rest = J.get$length$asx(t2[2]) > t5 ? J.sublist$1$ax(t2[2], t5) : B.List_empty8;
  	                t5 = t2[0];
  	                t6 = t2[4];
  	                argumentList = A.SassArgumentList$(rest, t5, t6 === B.ListSeparator_undecided_null_3_undecided ? B.ListSeparator_z0K : t6);
  	                t1._async_evaluate$_environment.setLocalVariable$3(restParameter, argumentList, t4);
  	              } else
  	                argumentList = null;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self.run.call$0(), $async$call$0);
  	            case 9:
  	              // returning from await.
  	              result = $async$result;
  	              if (argumentList == null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t5 = t2[0];
  	              if (t5.get$isEmpty(t5)) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (argumentList._wereKeywordsAccessed) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t5 = t2[0];
  	              t5 = t5.get$keys(t5);
  	              parameterWord = A.pluralize("parameter", t5.get$length(t5), null);
  	              t2 = t2[0];
  	              t2 = t2.get$keys(t2);
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$("No " + parameterWord + " named " + A.toSentence(t2.map$1$1(t2, new A._EvaluateVisitor__runUserDefinedCallable____closure0(), type$.Object), "or") + ".", t4.get$span(t4), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([t3.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), t1._async_evaluate$_stackTrace$1(t4.get$span(t4)), null));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable____closure0.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__runFunctionCallable_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, _i, $returnValue;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.callable.declaration, t2 = t1.children, t3 = t2.length, t4 = $async$self.$this, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t2[_i].accept$1(t4), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              $returnValue = $async$result;
  	              if ($returnValue instanceof A.Value) {
  	                $async$returnValue = $returnValue;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              throw A.wrapException(t4._async_evaluate$_exception$2("Function finished without @return.", t1.span));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 72
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure2.prototype = {
  	    call$0() {
  	      return this._box_0.overload.verify$2(J.get$length$asx(this.evaluated._values[2]), this.namedSet);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure3.prototype = {
  	    call$0() {
  	      return this._box_0.callback.call$1(this.evaluated._values[2]);
  	    },
  	    $signature: 533
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure4.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure3.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure4.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate$_withoutSlash$2(value, this.restNodeForSpan);
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure5.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restNodeForSpan;
  	      _this.named.$indexSet(0, key, _this.$this._async_evaluate$_withoutSlash$2(value, t1));
  	      _this.namedNodes.$indexSet(0, key, t1);
  	    },
  	    $signature: 109
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure6.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure3.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression(value, t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure4.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression(this.$this._async_evaluate$_withoutSlash$2(value, this.restNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure5.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restArgs;
  	      _this.named.$indexSet(0, key, new A.ValueExpression(_this.$this._async_evaluate$_withoutSlash$2(value, _this.restNodeForSpan), t1.get$span(t1)));
  	    },
  	    $signature: 109
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure6.prototype = {
  	    call$1(value) {
  	      var t1 = this.keywordRestArgs;
  	      return new A.ValueExpression(this.$this._async_evaluate$_withoutSlash$2(value, this.keywordRestNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__addRestMap_closure0.prototype = {
  	    call$2(key, value) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (key instanceof A.SassString)
  	        _this.values.$indexSet(0, key._string$_text, _this.convert.call$1(t1._async_evaluate$_withoutSlash$2(value, _this.expressionNode)));
  	      else {
  	        t2 = _this.nodeWithSpan;
  	        throw A.wrapException(t1._async_evaluate$_exception$2(string$.Variab_ + key.toString$0(0) + " is not a string in " + _this.map.toString$0(0) + ".", t2.get$span(t2)));
  	      }
  	    },
  	    $signature: 99
  	  };
  	  A._EvaluateVisitor__verifyArguments_closure0.prototype = {
  	    call$0() {
  	      return this.parameters.verify$2(this.positional, new A.MapKeySet(this.named, type$.MapKeySet_String));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure4.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure1.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure2.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure4.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._async_evaluate$_mergeMediaQueries$2(mediaQueries, this.node.queries);
  	    },
  	    $signature: 89
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.mergedQueries;
  	              if (t2 == null)
  	                t2 = $async$self.node.queries;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_withMediaQueries$1$3(t2, $async$self.mergedSources, new A._EvaluateVisitor_visitCssMediaRule__closure0(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, t4, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate$_atRootExcludingStyleRule ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssMediaRule___closure0(t1, $async$self.node), false, type$.ModifiableCssStyleRule, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E");
  	            case 6:
  	              // for condition
  	              if (!t2.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              t4 = t2.__internal$_current;
  	              $async$goto = 8;
  	              return A._asyncAwait((t4 == null ? t3._as(t4) : t4).accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule___closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure6.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate$_withStyleRule$1$2($async$self.rule, new A._EvaluateVisitor_visitCssStyleRule__closure0(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure3.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, t4, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate$_atRootExcludingStyleRule ? null : t1._async_evaluate$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate$_withParent$2$2(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssSupportsRule__closure0(t1, $async$self.node), type$.ModifiableCssStyleRule, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E");
  	            case 6:
  	              // for condition
  	              if (!t2.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              t4 = t2.__internal$_current;
  	              $async$goto = 8;
  	              return A._asyncAwait((t4 == null ? t3._as(t4) : t4).accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule__closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure4.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__performInterpolationHelper_closure0.prototype = {
  	    call$1(targetOffsets) {
  	      return A.InterpolationMap$(this.interpolation, targetOffsets);
  	    },
  	    $signature: 143
  	  };
  	  A._EvaluateVisitor__serialize_closure0.prototype = {
  	    call$0() {
  	      return A.serializeValue(this.value, false, this.quote);
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor__expressionNode_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.expression;
  	      return this.$this._async_evaluate$_environment.getVariableNode$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 188
  	  };
  	  A._EvaluateVisitor__withoutSlash_recommendation0.prototype = {
  	    call$1(number) {
  	      var before, after, t1,
  	        _1_0 = number.asSlash;
  	      $label0$0: {
  	        if (type$.Record_2_nullable_Object_and_nullable_Object._is(_1_0)) {
  	          before = _1_0._0;
  	          after = _1_0._1;
  	          t1 = "math.div(" + A.S(this.call$1(before)) + ", " + A.S(this.call$1(after)) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.serializeValue(number, true, true);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 189
  	  };
  	  A._EvaluateVisitor__stackFrame_closure0.prototype = {
  	    call$1(url) {
  	      var t1 = this.$this._async_evaluate$_importCache;
  	      t1 = t1 == null ? null : t1.humanize$1(url);
  	      return t1 == null ? url : t1;
  	    },
  	    $signature: 49
  	  };
  	  A._ImportedCssVisitor0.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless ? null : new A._ImportedCssVisitor_visitCssAtRule_closure0();
  	      this._async_evaluate$_visitor._async_evaluate$_addChild$2$through(node, t1);
  	    },
  	    visitCssComment$1(node) {
  	      return this._async_evaluate$_visitor._async_evaluate$_addChild$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this._async_evaluate$_visitor._async_evaluate$_addChild$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      var t2,
  	        _s13_ = "_endOfImports",
  	        t1 = this._async_evaluate$_visitor;
  	      if (t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__parent, "__parent") !== t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__root, "_root"))
  	        t1._async_evaluate$_addChild$1(node);
  	      else if (t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__endOfImports, _s13_) === J.get$length$asx(t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__root, "_root").children._collection$_source)) {
  	        t1._async_evaluate$_addChild$1(node);
  	        t1._async_evaluate$__endOfImports = t1._async_evaluate$_assertInModule$2(t1._async_evaluate$__endOfImports, _s13_) + 1;
  	      } else {
  	        t2 = t1._async_evaluate$_outOfOrderImports;
  	        (t2 == null ? t1._async_evaluate$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport) : t2).push(node);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = this._async_evaluate$_visitor,
  	        mediaQueries = t1._async_evaluate$_mediaQueries;
  	      t1._async_evaluate$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssMediaRule_closure0(mediaQueries == null || t1._async_evaluate$_mergeMediaQueries$2(mediaQueries, node.queries) != null));
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this._async_evaluate$_visitor._async_evaluate$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssStyleRule_closure0());
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3;
  	      for (t1 = node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        (t3 == null ? t2._as(t3) : t3).accept$1(this);
  	      }
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._async_evaluate$_visitor._async_evaluate$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssSupportsRule_closure0());
  	    }
  	  };
  	  A._ImportedCssVisitor_visitCssAtRule_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssMediaRule_closure0.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule))
  	        t1 = this.hasBeenMerged && node instanceof A.ModifiableCssMediaRule;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssStyleRule_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssSupportsRule_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluationContext0.prototype = {
  	    get$currentCallableSpan() {
  	      var _0_0 = this._async_evaluate$_visitor._async_evaluate$_callableNode;
  	      if (_0_0 != null)
  	        return _0_0.get$span(_0_0);
  	      throw A.wrapException(A.StateError$(string$.No_Sasc));
  	    },
  	    warn$2(_, message, deprecation) {
  	      var t1 = this._async_evaluate$_visitor,
  	        t2 = t1._async_evaluate$_importSpan;
  	      if (t2 == null) {
  	        t2 = t1._async_evaluate$_callableNode;
  	        t2 = t2 == null ? null : t2.get$span(t2);
  	      }
  	      t1._async_evaluate$_warn$3(message, t2 == null ? this._async_evaluate$_defaultWarnNodeWithSpan.span : t2, deprecation);
  	    },
  	    $isEvaluationContext: 1
  	  };
  	  A._CloneCssVisitor.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless,
  	        rule = A.ModifiableCssAtRule$(node.name, node.span, t1, node.value);
  	      return t1 ? rule : this._visitChildren$2(rule, node);
  	    },
  	    visitCssComment$1(node) {
  	      return new A.ModifiableCssComment(node.text, node.span);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return A.ModifiableCssDeclaration$(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap);
  	    },
  	    visitCssImport$1(node) {
  	      return new A.ModifiableCssImport(node.url, node.modifiers, node.span);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      return this._visitChildren$2(A.ModifiableCssKeyframeBlock$(node.selector, node.span), node);
  	    },
  	    visitCssMediaRule$1(node) {
  	      return this._visitChildren$2(A.ModifiableCssMediaRule$(node.queries, node.span), node);
  	    },
  	    visitCssStyleRule$1(node) {
  	      var _0_0 = this._oldToNewSelectors.$index(0, node._style_rule$_selector._box$_inner.value);
  	      if (_0_0 != null)
  	        return this._visitChildren$2(A.ModifiableCssStyleRule$(_0_0, node.span, false, node.originalSelector), node);
  	      else
  	        throw A.wrapException(A.StateError$(string$.The_Ex));
  	    },
  	    visitCssStylesheet$1(node) {
  	      return this._visitChildren$2(A.ModifiableCssStylesheet$(node.get$span(node)), node);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._visitChildren$2(A.ModifiableCssSupportsRule$(node.condition, node.span), node);
  	    },
  	    _visitChildren$1$2(newParent, oldParent) {
  	      var t1, t2, newChild;
  	      for (t1 = J.get$iterator$ax(oldParent.get$children(oldParent)); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        newChild = t2.accept$1(this);
  	        newChild.isGroupEnd = t2.get$isGroupEnd();
  	        newParent.addChild$1(newChild);
  	      }
  	      return newParent;
  	    },
  	    _visitChildren$2(newParent, oldParent) {
  	      return this._visitChildren$1$2(newParent, oldParent, type$.ModifiableCssParentNode);
  	    }
  	  };
  	  A.Evaluator.prototype = {};
  	  A._EvaluateVisitor.prototype = {
  	    get$_hasCssNesting() {
  	      var _0_0, t1, grandparent,
  	        $parent = this._atRootExcludingStyleRule ? null : this._styleRuleIgnoringAtRoot;
  	      for (;; $parent = grandparent) {
  	        _0_0 = $parent == null ? null : $parent._parent;
  	        if (_0_0 instanceof A.ModifiableCssStyleRule)
  	          return true;
  	        t1 = _0_0 != null;
  	        grandparent = t1 ? _0_0 : null;
  	        if (t1)
  	          continue;
  	        return false;
  	      }
  	    },
  	    _EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t2, metaModule, t3, _i, module, $function, t4, _this = this,
  	        _s20_ = "$name, $module: null",
  	        _s9_ = "sass:meta",
  	        _s7_ = "$module",
  	        t1 = type$.JSArray_BuiltInCallable,
  	        metaFunctions = A._setArrayType([A.BuiltInCallable$function("global-variable-exists", _s20_, new A._EvaluateVisitor_closure(_this), _s9_), A.BuiltInCallable$function("variable-exists", "$name", new A._EvaluateVisitor_closure0(_this), _s9_), A.BuiltInCallable$function("function-exists", _s20_, new A._EvaluateVisitor_closure1(_this), _s9_), A.BuiltInCallable$function("mixin-exists", _s20_, new A._EvaluateVisitor_closure2(_this), _s9_), A.BuiltInCallable$function("content-exists", "", new A._EvaluateVisitor_closure3(_this), _s9_), A.BuiltInCallable$function("module-variables", _s7_, new A._EvaluateVisitor_closure4(_this), _s9_), A.BuiltInCallable$function("module-functions", _s7_, new A._EvaluateVisitor_closure5(_this), _s9_), A.BuiltInCallable$function("module-mixins", _s7_, new A._EvaluateVisitor_closure6(_this), _s9_), A.BuiltInCallable$function("get-function", "$name, $css: false, $module: null", new A._EvaluateVisitor_closure7(_this), _s9_), A.BuiltInCallable$function("get-mixin", _s20_, new A._EvaluateVisitor_closure8(_this), _s9_), A.BuiltInCallable$function("call", "$function, $args...", new A._EvaluateVisitor_closure9(_this), _s9_)], t1),
  	        metaMixins = A._setArrayType([A.BuiltInCallable$mixin("load-css", "$url, $with: null", new A._EvaluateVisitor_closure10(_this), false, _s9_), A.BuiltInCallable$mixin("apply", "$mixin, $args...", new A._EvaluateVisitor_closure11(_this), true, _s9_)], t1);
  	      t1 = type$.BuiltInCallable;
  	      t2 = A.List_List$_of($.$get$moduleFunctions(), t1);
  	      B.JSArray_methods.addAll$1(t2, metaFunctions);
  	      metaModule = A.BuiltInModule$("meta", t2, metaMixins, null, t1);
  	      t1 = A.List_List$_of($.$get$coreModules(), type$.BuiltInModule_Callable);
  	      t1.push(metaModule);
  	      t2 = t1.length;
  	      t3 = _this._builtInModules;
  	      _i = 0;
  	      for (; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        module = t1[_i];
  	        t3.$indexSet(0, module.url, module);
  	      }
  	      t1 = type$.JSArray_Callable;
  	      t2 = A._setArrayType([], t1);
  	      B.JSArray_methods.addAll$1(t2, $.$get$globalFunctions());
  	      t1 = A._setArrayType([], t1);
  	      for (_i = 0; _i < 11; ++_i)
  	        t1.push(metaFunctions[_i].withDeprecationWarning$1("meta"));
  	      B.JSArray_methods.addAll$1(t2, t1);
  	      for (t1 = t2.length, t3 = _this._builtInFunctions, _i = 0; _i < t2.length; t2.length === t1 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $function = t2[_i];
  	        t4 = $function.get$name($function);
  	        t3.$indexSet(0, A.stringReplaceAllUnchecked(t4, "_", "-"), $function);
  	      }
  	    },
  	    run$2(_, importer, node) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = type$.nullable_Object;
  	        t1 = A.runZoned(new A._EvaluateVisitor_run_closure(this, node, importer), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext(this, node)], t1, t1), type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace(error.withLoadedUrls$1(this._loadedUrls), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    runExpression$2(importer, expression) {
  	      var t1 = type$.nullable_Object;
  	      return A.runZoned(new A._EvaluateVisitor_runExpression_closure(this, importer, expression), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext(this, expression)], t1, t1), type$.Value);
  	    },
  	    runStatement$2(importer, statement) {
  	      var t1 = type$.nullable_Object;
  	      return A.runZoned(new A._EvaluateVisitor_runStatement_closure(this, importer, statement), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext(this, statement)], t1, t1), type$.void);
  	    },
  	    _assertInModule$1$2(value, $name) {
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.StateError$("Can't access " + $name + " outside of a module."));
  	    },
  	    _assertInModule$2(value, $name) {
  	      return this._assertInModule$1$2(value, $name, type$.dynamic);
  	    },
  	    _withFakeStylesheet$1$3(importer, nodeWithSpan, callback) {
  	      var t1, _this = this,
  	        oldImporter = _this._importer;
  	      _this._importer = importer;
  	      _this.__stylesheet = A.Stylesheet$(B.List_empty16, nodeWithSpan.get$span(nodeWithSpan));
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        _this._importer = oldImporter;
  	        _this.__stylesheet = null;
  	      }
  	    },
  	    _withFakeStylesheet$3(importer, nodeWithSpan, callback) {
  	      return this._withFakeStylesheet$1$3(importer, nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      var t2, _this = this,
  	        _0_0 = _this._builtInModules.$index(0, url),
  	        t1 = {};
  	      t1.builtInModule = null;
  	      if (_0_0 != null) {
  	        t1.builtInModule = _0_0;
  	        if (configuration instanceof A.ExplicitConfiguration) {
  	          t1 = namesInErrors ? "Built-in module " + url.toString$0(0) + " can't be configured." : "Built-in modules can't be configured.";
  	          t2 = configuration.nodeWithSpan;
  	          throw A.wrapException(_this._evaluate$_exception$2(t1, t2.get$span(t2)));
  	        }
  	        _this._addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__loadModule_closure(t1, callback));
  	        return;
  	      }
  	      _this._withStackFrame$3(stackFrame, nodeWithSpan, new A._EvaluateVisitor__loadModule_closure0(_this, url, nodeWithSpan, baseUrl, namesInErrors, configuration, callback));
  	    },
  	    _loadModule$5$configuration(url, stackFrame, nodeWithSpan, callback, configuration) {
  	      return this._loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, configuration, false);
  	    },
  	    _loadModule$4(url, stackFrame, nodeWithSpan, callback) {
  	      return this._loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, null, false);
  	    },
  	    _execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      var currentConfiguration, t2, _0_0, t3, message, existingSpan, configurationSpan, environment, css, preModuleComments, extensionStore, module, _this = this,
  	        t1 = stylesheet.span,
  	        url = t1.get$sourceUrl(t1);
  	      t1 = configuration == null;
  	      currentConfiguration = t1 ? _this._configuration : configuration;
  	      t2 = _this._modules;
  	      _0_0 = t2.$index(0, url);
  	      if (_0_0 != null) {
  	        t2 = _this._moduleConfigurations.$index(0, url);
  	        t3 = t2.__originalConfiguration;
  	        t2 = t3 == null ? t2 : t3;
  	        t3 = currentConfiguration.__originalConfiguration;
  	        if (t2 !== (t3 == null ? currentConfiguration : t3) && currentConfiguration instanceof A.ExplicitConfiguration && _0_0.couldHaveBeenConfigured$1(new A.MapKeySet(new A.UnmodifiableMapView(currentConfiguration._configuration$_values, type$.UnmodifiableMapView_String_ConfiguredValue), type$.MapKeySet_String))) {
  	          if (namesInErrors) {
  	            t2 = $.$get$context();
  	            url.toString;
  	            message = t2.prettyUri$1(url) + string$.x20was_a;
  	          } else
  	            message = string$.This_mw;
  	          t2 = _this._moduleNodes.$index(0, url);
  	          existingSpan = t2 == null ? null : t2.get$span(t2);
  	          if (t1) {
  	            t1 = currentConfiguration.nodeWithSpan;
  	            configurationSpan = t1.get$span(t1);
  	          } else
  	            configurationSpan = null;
  	          t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (existingSpan != null)
  	            t1.$indexSet(0, existingSpan, "original load");
  	          if (configurationSpan != null)
  	            t1.$indexSet(0, configurationSpan, "configuration");
  	          throw A.wrapException(t1.get$isEmpty(0) ? _this._evaluate$_exception$1(message) : _this._multiSpanException$3(message, "new load", t1));
  	        }
  	        return _0_0;
  	      }
  	      environment = A.Environment$();
  	      css = A._Cell$();
  	      preModuleComments = A._Cell$();
  	      extensionStore = A.ExtensionStore$();
  	      _this._withEnvironment$2(environment, new A._EvaluateVisitor__execute_closure(_this, importer, stylesheet, extensionStore, configuration, css, preModuleComments));
  	      t1 = css._readLocal$0();
  	      t3 = preModuleComments._readLocal$0();
  	      module = environment.toModule$3(t1, t3 == null ? B.Map_empty : t3, extensionStore);
  	      if (url != null) {
  	        t2.$indexSet(0, url, module);
  	        _this._moduleConfigurations.$indexSet(0, url, currentConfiguration);
  	        if (nodeWithSpan != null)
  	          _this._moduleNodes.$indexSet(0, url, nodeWithSpan);
  	      }
  	      return module;
  	    },
  	    _execute$2(importer, stylesheet) {
  	      return this._execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, null, false, null);
  	    },
  	    _addOutOfOrderImports$0() {
  	      var t1, t2, _this = this, _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        _0_0 = _this._outOfOrderImports;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = _this._assertInModule$2(_this.__root, _s5_).children;
  	          break $label0$0;
  	        }
  	        t1 = _this._assertInModule$2(_this.__root, _s5_).children;
  	        t1 = A.List_List$_of(A.SubListIterable$(t1, 0, A.checkNotNullable(_this._assertInModule$2(_this.__endOfImports, _s13_), "count", type$.int), t1.$ti._eval$1("ListBase.E")), type$.ModifiableCssNode);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t2 = _this._assertInModule$2(_this.__root, _s5_).children;
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(t2, _this._assertInModule$2(_this.__endOfImports, _s13_), null, t2.$ti._eval$1("ListBase.E")));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _combineCss$2$clone(root, clone) {
  	      var selectors, _0_0, t1, imports, css, sorted, t2;
  	      if (!B.JSArray_methods.any$1(root.get$upstream(), new A._EvaluateVisitor__combineCss_closure())) {
  	        selectors = root.get$extensionStore().get$simpleSelectors();
  	        _0_0 = A.IterableExtension_get_firstOrNull(root.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__combineCss_closure0(selectors)));
  	        if (_0_0 != null)
  	          this._throwForUnsatisfiedExtension$1(_0_0);
  	        return root.get$css(root);
  	      }
  	      t1 = type$.JSArray_CssNode;
  	      imports = A._setArrayType([], t1);
  	      css = A._setArrayType([], t1);
  	      t1 = type$.Module_Callable;
  	      sorted = A.ListQueue$(t1);
  	      new A._EvaluateVisitor__combineCss_visitModule(this, A.LinkedHashSet_LinkedHashSet$_empty(t1), clone, css, imports, sorted).call$1(root);
  	      if (root.get$transitivelyContainsExtensions())
  	        this._extendModules$1(sorted);
  	      t1 = B.JSArray_methods.$add(imports, css);
  	      t2 = root.get$css(root);
  	      return new A.CssStylesheet(new A.UnmodifiableListView(t1, type$.UnmodifiableListView_CssNode), t2.get$span(t2));
  	    },
  	    _combineCss$1(root) {
  	      return this._combineCss$2$clone(root, false);
  	    },
  	    _extendModules$1(sortedModules) {
  	      var t1, t2, t3, originalSelectors, $self, t4, t5, _i, upstream, _0_0,
  	        downstreamExtensionStores = A.LinkedHashMap_LinkedHashMap$_empty(type$.Uri, type$.List_ExtensionStore),
  	        unsatisfiedExtensions = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_Extension);
  	      for (t1 = A._ListQueueIterator$(sortedModules, sortedModules.$ti._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        originalSelectors = t3.get$extensionStore().get$simpleSelectors().toSet$0(0);
  	        unsatisfiedExtensions.addAll$1(0, t3.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__extendModules_closure(originalSelectors)));
  	        $self = downstreamExtensionStores.$index(0, t3.get$url(t3));
  	        t4 = t3.get$extensionStore().get$addExtensions();
  	        if ($self != null)
  	          t4.call$1($self);
  	        t4 = t3.get$extensionStore();
  	        if (t4.get$isEmpty(t4))
  	          continue;
  	        for (t4 = t3.get$upstream(), t5 = t4.length, _i = 0; _i < t4.length; t4.length === t5 || (0, A.throwConcurrentModificationError)(t4), ++_i) {
  	          upstream = t4[_i];
  	          _0_0 = upstream.get$url(upstream);
  	          if (_0_0 != null)
  	            J.add$1$ax(downstreamExtensionStores.putIfAbsent$2(_0_0, new A._EvaluateVisitor__extendModules_closure0()), t3.get$extensionStore());
  	        }
  	        unsatisfiedExtensions.removeAll$1(t3.get$extensionStore().extensionsWhereTarget$1(originalSelectors.get$contains(originalSelectors)));
  	      }
  	      if (unsatisfiedExtensions._collection$_length !== 0)
  	        this._throwForUnsatisfiedExtension$1(unsatisfiedExtensions.get$first(0));
  	    },
  	    _throwForUnsatisfiedExtension$1(extension) {
  	      throw A.wrapException(A.SassException$(string$.The_ta + extension.target.toString$0(0) + ' !optional" to avoid this error.', extension.span, null));
  	    },
  	    _indexAfterImports$1(statements) {
  	      var t1, lastImport, i, _0_0;
  	      for (t1 = J.getInterceptor$asx(statements), lastImport = -1, i = 0; i < t1.get$length(statements); ++i) {
  	        $label0$0: {
  	          _0_0 = t1.$index(statements, i);
  	          if (_0_0 instanceof A.ModifiableCssImport)
  	            break $label0$0;
  	          if (_0_0 instanceof A.ModifiableCssComment)
  	            continue;
  	          break;
  	        }
  	        lastImport = i;
  	      }
  	      return lastImport + 1;
  	    },
  	    visitStylesheet$1(_, node) {
  	      var t1, t2, warning, _i, $name, span;
  	      for (t1 = node.parseTimeWarnings, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        warning = t1.__internal$_current;
  	        if (warning == null)
  	          warning = t2._as(warning);
  	        this._warn$3(warning._1, warning._2, warning._0);
  	      }
  	      for (t1 = node.children, t2 = t1.length, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(this);
  	      for (t1 = A.MapExtensions_get_pairs(node.globalVariables, type$.String, type$.FileSpan), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        $name = t2._0;
  	        span = t2._1;
  	        this.visitVariableDeclaration$1(0, new A.VariableDeclaration(null, $name, new A.NullExpression(span), true, false, span));
  	      }
  	      return null;
  	    },
  	    visitAtRootRule$1(_, node) {
  	      var t1, _2_0, root, first, rest, innerCopy, outerCopy, _i, copy, _this = this, _null = null,
  	        _s8_ = "__parent",
  	        _0_0 = node.query,
  	        query = _0_0 != null ? new A.AtRootQueryParser(A.SpanScanner$(_this._performInterpolationWithMap$2$warnForColor(_0_0, true)._0, _null), _null).parse$0(0) : B.AtRootQuery_bfj,
  	        $parent = _this._assertInModule$2(_this.__parent, _s8_),
  	        included = A._setArrayType([], type$.JSArray_ModifiableCssParentNode);
  	      for (t1 = type$.CssStylesheet; !t1._is($parent); $parent = _2_0) {
  	        if (!query.excludes$1($parent))
  	          included.push($parent);
  	        _2_0 = $parent._parent;
  	        if (_2_0 == null)
  	          throw A.wrapException(A.StateError$(string$.CssNod));
  	      }
  	      root = _this._trimIncluded$1(included);
  	      if (root === _this._assertInModule$2(_this.__parent, _s8_)) {
  	        _this._environment.scope$1$2$when(new A._EvaluateVisitor_visitAtRootRule_closure(_this, node), node.hasDeclarations, type$.Null);
  	        return _null;
  	      }
  	      if (included.length >= 1) {
  	        first = included[0];
  	        rest = B.JSArray_methods.sublist$1(included, 1);
  	        innerCopy = first.copyWithoutChildren$0();
  	        for (t1 = rest.length, outerCopy = innerCopy, _i = 0; _i < rest.length; rest.length === t1 || (0, A.throwConcurrentModificationError)(rest), ++_i, outerCopy = copy) {
  	          copy = rest[_i].copyWithoutChildren$0();
  	          copy.addChild$1(outerCopy);
  	        }
  	        root.addChild$1(outerCopy);
  	      } else
  	        innerCopy = root;
  	      _this._scopeForAtRoot$4(node, innerCopy, query, included).call$1(new A._EvaluateVisitor_visitAtRootRule_closure0(_this, node));
  	      return _null;
  	    },
  	    _trimIncluded$1(nodes) {
  	      var $parent, t1, innermostContiguous, i, t2, _0_0, _1_0, root, _this = this, _null = null, _s5_ = "_root",
  	        _s22_ = " to be an ancestor of ";
  	      if (nodes.length === 0)
  	        return _this._assertInModule$2(_this.__root, _s5_);
  	      $parent = _this._assertInModule$2(_this.__parent, "__parent");
  	      for (t1 = nodes.length, innermostContiguous = _null, i = 0; i < t1; ++i, $parent = _1_0) {
  	        for (; t2 = nodes[i], $parent !== t2; innermostContiguous = _null, $parent = _0_0) {
  	          _0_0 = $parent._parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	        }
  	        if (innermostContiguous == null)
  	          innermostContiguous = i;
  	        _1_0 = $parent._parent;
  	        if (_1_0 == null)
  	          throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	      }
  	      if ($parent !== _this._assertInModule$2(_this.__root, _s5_))
  	        return _this._assertInModule$2(_this.__root, _s5_);
  	      innermostContiguous.toString;
  	      root = nodes[innermostContiguous];
  	      B.JSArray_methods.removeRange$2(nodes, innermostContiguous, nodes.length);
  	      return root;
  	    },
  	    _scopeForAtRoot$4(node, newParent, query, included) {
  	      var _this = this,
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure(_this, newParent, node),
  	        t1 = query._all || query._at_root_query$_rule;
  	      if (t1 !== query.include)
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure0(_this, scope);
  	      if (_this._mediaQueries != null && query.excludesName$1("media"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure1(_this, scope);
  	      if (_this._inKeyframes && query.excludesName$1("keyframes"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure2(_this, scope);
  	      return _this._inUnknownAtRule && !B.JSArray_methods.any$1(included, new A._EvaluateVisitor__scopeForAtRoot_closure3()) ? new A._EvaluateVisitor__scopeForAtRoot_closure4(_this, scope) : scope;
  	    },
  	    visitContentBlock$1(_, node) {
  	      return A.throwExpression(A.UnsupportedError$(string$.Evalua));
  	    },
  	    visitContentRule$1(_, node) {
  	      var $content = this._environment._content;
  	      if ($content == null)
  	        return null;
  	      this._runUserDefinedCallable$1$4(node.$arguments, $content, node, new A._EvaluateVisitor_visitContentRule_closure(this, $content), type$.Null);
  	      return null;
  	    },
  	    visitDebugRule$1(_, node) {
  	      var value = node.expression.accept$1(this),
  	        t1 = value instanceof A.SassString ? value._string$_text : A.serializeValue(value, true, true);
  	      this._logger.debug$2(0, t1, node.span);
  	      return null;
  	    },
  	    visitDeclaration$1(_, node) {
  	      var t1, $name, _0_0, _1_0, value, t2, t3, _2_0, oldDeclarationName, _this = this, _null = null;
  	      if ((_this._atRootExcludingStyleRule ? _null : _this._styleRuleIgnoringAtRoot) == null && !_this._inUnknownAtRule && !_this._inKeyframes)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Declarm, node.span));
  	      if (_this._declarationName != null && !node.parsedAsSassScript) {
  	        t1 = B.JSString_methods.startsWith$1(node.name.get$initialPlain(), "--") ? string$.Declarw : string$.Declarp;
  	        throw A.wrapException(_this._evaluate$_exception$2(t1, node.span));
  	      }
  	      $name = _this._interpolationToValue$2$warnForColor(node.name, true);
  	      _0_0 = _this._declarationName;
  	      if (_0_0 != null)
  	        $name = new A.CssValue(_0_0 + "-" + $name.value, $name.span, type$.CssValue_String);
  	      _1_0 = node.value;
  	      if (_1_0 != null) {
  	        value = _1_0.accept$1(_this);
  	        if (!value.get$isBlank() || value.get$asList().length === 0 || B.JSString_methods.startsWith$1($name.value, "--")) {
  	          _this._copyParentAfterSibling$0();
  	          t1 = _this._assertInModule$2(_this.__parent, "__parent");
  	          t2 = _1_0.get$span(_1_0);
  	          if (_this._sourceMap) {
  	            t3 = A.NullableExtension_andThen(_1_0, _this.get$_expressionNode());
  	            t3 = t3 == null ? _null : J.get$span$x(t3);
  	          } else
  	            t3 = _null;
  	          t1.addChild$1(A.ModifiableCssDeclaration$($name, new A.CssValue(value, t2, type$.CssValue_Value), node.span, node.parsedAsSassScript, t3));
  	        }
  	      }
  	      _2_0 = node.children;
  	      t1 = {};
  	      t1.children = null;
  	      if (_2_0 != null) {
  	        t1.children = _2_0;
  	        oldDeclarationName = _this._declarationName;
  	        _this._declarationName = $name.value;
  	        _this._environment.scope$1$2$when(new A._EvaluateVisitor_visitDeclaration_closure(t1, _this), node.hasDeclarations, type$.Null);
  	        _this._declarationName = oldDeclarationName;
  	      }
  	      return _null;
  	    },
  	    visitEachRule$1(_, node) {
  	      var _this = this,
  	        t1 = node.list,
  	        list = t1.accept$1(_this),
  	        nodeWithSpan = _this._expressionNode$1(t1),
  	        _0_0 = node.variables;
  	      $label0$0: {
  	        t1 = {};
  	        t1.variable = null;
  	        if (_0_0.length === 1) {
  	          t1.variable = _0_0[0];
  	          t1 = new A._EvaluateVisitor_visitEachRule_closure(t1, _this, nodeWithSpan);
  	          break $label0$0;
  	        }
  	        t1 = {};
  	        t1.variables = null;
  	        t1.variables = _0_0;
  	        t1 = new A._EvaluateVisitor_visitEachRule_closure0(t1, _this, nodeWithSpan);
  	        break $label0$0;
  	      }
  	      return _this._environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitEachRule_closure1(_this, list, t1, node), true, type$.nullable_Value);
  	    },
  	    _setMultipleVariables$3(variables, value, nodeWithSpan) {
  	      var i,
  	        list = value.get$asList(),
  	        t1 = variables.length,
  	        minLength = Math.min(t1, list.length);
  	      for (i = 0; i < minLength; ++i)
  	        this._environment.setLocalVariable$3(variables[i], this._withoutSlash$2(list[i], nodeWithSpan), nodeWithSpan);
  	      for (i = minLength; i < t1; ++i)
  	        this._environment.setLocalVariable$3(variables[i], B.C__SassNull, nodeWithSpan);
  	    },
  	    visitErrorRule$1(_, node) {
  	      throw A.wrapException(this._evaluate$_exception$2(node.expression.accept$1(this).toString$0(0), node.span));
  	    },
  	    visitExtendRule$1(_, node) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, _0_0, compound, simple, _this = this, _null = null,
  	        styleRule = _this._atRootExcludingStyleRule ? _null : _this._styleRuleIgnoringAtRoot;
  	      if (styleRule == null || _this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.x40exten, node.span));
  	      for (t1 = styleRule.originalSelector.components, t2 = t1.length, t3 = node.span, t4 = type$.SourceSpan, t5 = type$.String, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        if (!complex.accept$1(B._IsBogusVisitor_true))
  	          continue;
  	        visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	        complex.accept$1(visitor);
  	        t6 = B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0));
  	        t7 = complex.accept$1(B.C__IsUselessVisitor) ? "can't" : "shouldn't";
  	        _this._warn$3('The selector "' + t6 + '" is invalid CSS and ' + t7 + string$.x20be_an, new A.MultiSpan(A.SpanExtensions_trimRight(complex.span), "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t3, "@extend rule"], t4, t5), t4, t5)), B.Deprecation_0rM);
  	      }
  	      _0_0 = _this._performInterpolationWithMap$2$warnForColor(node.selector, true);
  	      for (t1 = A.SelectorList_SelectorList$parse(A.trimAscii(_0_0._0, true), false, _0_0._1, false).components, t2 = t1.length, t3 = styleRule._style_rule$_selector._box$_inner, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        compound = complex.get$singleCompound();
  	        if (compound == null)
  	          throw A.wrapException(A.SassFormatException$("complex selectors may not be extended.", complex.span, _null));
  	        t4 = compound.components;
  	        simple = t4.length === 1 ? B.JSArray_methods.get$first(t4) : _null;
  	        if (simple == null)
  	          throw A.wrapException(A.SassFormatException$(string$.compou + B.JSArray_methods.join$1(t4, ", ") + string$.x60_inst, compound.span, _null));
  	        _this._assertInModule$2(_this.__extensionStore, "_extensionStore").addExtension$4(t3.value, simple, node, _this._mediaQueries);
  	      }
  	      return _null;
  	    },
  	    visitAtRule$1(_, node) {
  	      var $name, value, children, wasInKeyframes, wasInUnknownAtRule, rule, _this = this;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.At_rul, node.span));
  	      $name = _this._interpolationToValue$1(node.name);
  	      value = A.NullableExtension_andThen(node.value, new A._EvaluateVisitor_visitAtRule_closure(_this));
  	      children = node.children;
  	      if (children == null) {
  	        _this._copyParentAfterSibling$0();
  	        _this._assertInModule$2(_this.__parent, "__parent").addChild$1(A.ModifiableCssAtRule$($name, node.span, true, value));
  	        return null;
  	      }
  	      wasInKeyframes = _this._inKeyframes;
  	      wasInUnknownAtRule = _this._inUnknownAtRule;
  	      if (A.unvendor($name.value) === "keyframes")
  	        _this._inKeyframes = true;
  	      else
  	        _this._inUnknownAtRule = true;
  	      rule = A.ModifiableCssAtRule$($name, node.span, false, value);
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitAtRule_closure0(_this, children), node.hasDeclarations, type$.ModifiableCssAtRule, type$.Null);
  	        _this._inUnknownAtRule = wasInUnknownAtRule;
  	        _this._inKeyframes = wasInKeyframes;
  	        return null;
  	      }
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitAtRule_closure1(_this, $name, children), node.hasDeclarations, new A._EvaluateVisitor_visitAtRule_closure2(), type$.ModifiableCssAtRule, type$.Null);
  	      _this._inUnknownAtRule = wasInUnknownAtRule;
  	      _this._inKeyframes = wasInKeyframes;
  	      return null;
  	    },
  	    visitForRule$1(_, node) {
  	      var _this = this, t1 = {},
  	        t2 = node.from,
  	        fromNumber = _this._addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure(_this, node)),
  	        t3 = node.to,
  	        toNumber = _this._addExceptionSpan$2(t3, new A._EvaluateVisitor_visitForRule_closure0(_this, node)),
  	        from = _this._addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure1(fromNumber)),
  	        to = t1.to = _this._addExceptionSpan$2(t3, new A._EvaluateVisitor_visitForRule_closure2(toNumber, fromNumber)),
  	        direction = from > to ? -1 : 1;
  	      if (from === (!node.isExclusive ? t1.to = to + direction : to))
  	        return null;
  	      return _this._environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitForRule_closure3(t1, _this, node, from, direction, fromNumber), true, type$.nullable_Value);
  	    },
  	    visitForwardRule$1(_, node) {
  	      var newConfiguration, t4, _i, variable, $name, _this = this,
  	        _s8_ = "@forward",
  	        oldConfiguration = _this._configuration,
  	        adjustedConfiguration = oldConfiguration.throughForward$1(node),
  	        t1 = node.configuration,
  	        t2 = t1.length,
  	        t3 = node.url;
  	      if (t2 !== 0) {
  	        newConfiguration = _this._addForwardConfiguration$2(adjustedConfiguration, node);
  	        _this._loadModule$5$configuration(t3, _s8_, node, new A._EvaluateVisitor_visitForwardRule_closure(_this, node), newConfiguration);
  	        t3 = type$.String;
  	        t4 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	        for (_i = 0; _i < t2; ++_i) {
  	          variable = t1[_i];
  	          if (!variable.isGuarded)
  	            t4.add$1(0, variable.name);
  	        }
  	        _this._removeUsedConfiguration$3$except(adjustedConfiguration, newConfiguration, t4);
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	        for (_i = 0; _i < t2; ++_i)
  	          t3.add$1(0, t1[_i].name);
  	        for (t1 = newConfiguration._configuration$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t4 = t2.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	          $name = t2[_i];
  	          if (!t3.contains$1(0, $name))
  	            if (!t1.get$isEmpty(t1))
  	              t1.remove$1(0, $name);
  	        }
  	        _this._assertConfigurationIsEmpty$1(newConfiguration);
  	      } else {
  	        _this._configuration = adjustedConfiguration;
  	        _this._loadModule$4(t3, _s8_, node, new A._EvaluateVisitor_visitForwardRule_closure0(_this, node));
  	        _this._configuration = oldConfiguration;
  	      }
  	      return null;
  	    },
  	    _addForwardConfiguration$2(configuration, node) {
  	      var t2, t3, _i, variable, t4, _0_0, t5, oldValue, variableNodeWithSpan, _null = null,
  	        t1 = configuration._configuration$_values,
  	        newValues = A.LinkedHashMap_LinkedHashMap$of(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue), type$.String, type$.ConfiguredValue);
  	      for (t2 = node.configuration, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        variable = t2[_i];
  	        if (variable.isGuarded) {
  	          t4 = variable.name;
  	          _0_0 = t1.get$isEmpty(t1) ? _null : t1.remove$1(0, t4);
  	          if (_0_0 != null) {
  	            t5 = !_0_0.value.$eq(0, B.C__SassNull);
  	            oldValue = _0_0;
  	          } else {
  	            oldValue = _null;
  	            t5 = false;
  	          }
  	          if (t5) {
  	            newValues.$indexSet(0, t4, oldValue);
  	            continue;
  	          }
  	        }
  	        t4 = variable.expression;
  	        variableNodeWithSpan = this._expressionNode$1(t4);
  	        newValues.$indexSet(0, variable.name, new A.ConfiguredValue(this._withoutSlash$2(t4.accept$1(this), variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	      }
  	      if (configuration instanceof A.ExplicitConfiguration || t1.get$isEmpty(t1))
  	        return new A.ExplicitConfiguration(node, newValues, _null);
  	      else
  	        return new A.Configuration(newValues, _null);
  	    },
  	    _registerCommentsForModule$1(module) {
  	      var _this = this, _s5_ = "_root",
  	        t1 = _this.__root;
  	      if (t1 == null)
  	        return;
  	      if (_this._assertInModule$2(t1, _s5_).children.get$length(0) === 0 || !module.get$transitivelyContainsCss())
  	        return;
  	      t1 = _this._preModuleComments;
  	      if (t1 == null)
  	        t1 = _this._preModuleComments = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable, type$.List_CssComment);
  	      J.addAll$1$ax(t1.putIfAbsent$2(module, new A._EvaluateVisitor__registerCommentsForModule_closure()), new A.UnmodifiableListView(J.cast$1$0$ax(_this._assertInModule$2(_this.__root, _s5_).children._collection$_source, type$.CssComment), type$.UnmodifiableListView_CssComment));
  	      _this._assertInModule$2(_this.__root, _s5_).clearChildren$0();
  	      _this.__endOfImports = 0;
  	    },
  	    _removeUsedConfiguration$3$except(upstream, downstream, except) {
  	      var t1, t2, t3, t4, _i, $name;
  	      for (t1 = upstream._configuration$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t3 = t2.length, t4 = downstream._configuration$_values, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $name = t2[_i];
  	        if (except.contains$1(0, $name))
  	          continue;
  	        if (!t4.containsKey$1($name))
  	          if (!t1.get$isEmpty(t1))
  	            t1.remove$1(0, $name);
  	      }
  	    },
  	    _assertConfigurationIsEmpty$2$nameInError(configuration, nameInError) {
  	      var t1, _0_0;
  	      if (!(configuration instanceof A.ExplicitConfiguration))
  	        return;
  	      t1 = configuration._configuration$_values;
  	      if (t1.get$isEmpty(t1))
  	        return;
  	      t1 = A.MapExtensions_get_pairs(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue), type$.String, type$.ConfiguredValue);
  	      _0_0 = t1.get$first(t1);
  	      t1 = nameInError ? "$" + _0_0._0 + string$.x20was_n : string$.This_v;
  	      throw A.wrapException(this._evaluate$_exception$2(t1, _0_0._1.configurationSpan));
  	    },
  	    _assertConfigurationIsEmpty$1(configuration) {
  	      return this._assertConfigurationIsEmpty$2$nameInError(configuration, false);
  	    },
  	    visitFunctionRule$1(_, node) {
  	      var t1 = this._environment,
  	        t2 = t1.closure$0(),
  	        t3 = this._inDependency,
  	        t4 = t1._functions,
  	        index = t4.length - 1,
  	        t5 = node.name;
  	      t1._functionIndices.$indexSet(0, t5, index);
  	      t4[index].$indexSet(0, t5, new A.UserDefinedCallable(node, t2, t3, type$.UserDefinedCallable_Environment));
  	      return null;
  	    },
  	    visitIfRule$1(_, node) {
  	      var t1, t2, _i, clauseToCheck,
  	        clause = node.lastClause;
  	      for (t1 = node.clauses, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        clauseToCheck = t1[_i];
  	        if (clauseToCheck.expression.accept$1(this).get$isTruthy()) {
  	          clause = clauseToCheck;
  	          break;
  	        }
  	      }
  	      return A.NullableExtension_andThen(clause, new A._EvaluateVisitor_visitIfRule_closure(this));
  	    },
  	    visitImportRule$1(_, node) {
  	      var t1, t2, t3, t4, t5, t6, _i, $import, t7, _0_0, $self, t8, _this = this,
  	        _s8_ = "__parent",
  	        _s5_ = "_root",
  	        _s13_ = "_endOfImports";
  	      for (t1 = node.imports, t2 = t1.length, t3 = type$.CssValue_String, t4 = _this.get$_interpolationToValue(), t5 = type$.StaticImport, t6 = type$.JSArray_ModifiableCssImport, _i = 0; _i < t2; ++_i) {
  	        $import = t1[_i];
  	        if ($import instanceof A.DynamicImport)
  	          _this._visitDynamicImport$1($import);
  	        else {
  	          t5._as($import);
  	          t7 = $import.url;
  	          _0_0 = _this._performInterpolationHelper$3$sourceMap$warnForColor(t7, false, false);
  	          $self = $import.modifiers;
  	          t8 = $self == null ? null : t4.call$1($self);
  	          node = new A.ModifiableCssImport(new A.CssValue(_0_0._0, t7.span, t3), t8, $import.span);
  	          if (_this._assertInModule$2(_this.__parent, _s8_) !== _this._assertInModule$2(_this.__root, _s5_)) {
  	            _this._copyParentAfterSibling$0();
  	            _this._assertInModule$2(_this.__parent, _s8_).addChild$1(node);
  	          } else if (_this._assertInModule$2(_this.__endOfImports, _s13_) === J.get$length$asx(_this._assertInModule$2(_this.__root, _s5_).children._collection$_source)) {
  	            t7 = _this._assertInModule$2(_this.__root, _s5_);
  	            node._parent = t7;
  	            t7 = t7._children;
  	            node._indexInParent = t7.length;
  	            t7.push(node);
  	            _this.__endOfImports = _this._assertInModule$2(_this.__endOfImports, _s13_) + 1;
  	          } else {
  	            t7 = _this._outOfOrderImports;
  	            (t7 == null ? _this._outOfOrderImports = A._setArrayType([], t6) : t7).push(node);
  	          }
  	        }
  	      }
  	      return null;
  	    },
  	    _visitDynamicImport$1($import) {
  	      return this._withStackFrame$3("@import", $import, new A._EvaluateVisitor__visitDynamicImport_closure(this, $import));
  	    },
  	    _loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, forImport) {
  	      var _0_0, importCache, _1_0, importer, canonicalUrl, originalUrl, isDependency, _2_0, stylesheet, error, stackTrace, error0, stackTrace0, t1, t2, _this = this;
  	      baseUrl = baseUrl;
  	      try {
  	        _this._importSpan = span;
  	        _0_0 = _this._evaluate$_importCache;
  	        importCache = null;
  	        if (_0_0 != null) {
  	          importCache = _0_0;
  	          if (baseUrl == null) {
  	            t1 = _this._assertInModule$2(_this.__stylesheet, "_stylesheet").span;
  	            baseUrl = t1.get$sourceUrl(t1);
  	          }
  	          _1_0 = J.canonicalize$4$baseImporter$baseUrl$forImport$x(importCache, A.Uri_parse(url), _this._importer, baseUrl, forImport);
  	          importer = null;
  	          canonicalUrl = null;
  	          originalUrl = null;
  	          if (type$.Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl._is(_1_0)) {
  	            importer = _1_0._0;
  	            canonicalUrl = _1_0._1;
  	            originalUrl = _1_0._2;
  	            if (canonicalUrl.get$scheme() === "")
  	              A.WarnForDeprecation_warnForDeprecation(_this._logger, B.Deprecation_IqB, "Importer " + A.S(importer) + " canonicalized " + url + " to " + A.S(canonicalUrl) + string$.x2e_Rela, null, null);
  	            _this._loadedUrls.add$1(0, canonicalUrl);
  	            isDependency = _this._inDependency || !J.$eq$(importer, _this._importer);
  	            _2_0 = importCache.importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl);
  	            stylesheet = null;
  	            if (_2_0 != null) {
  	              stylesheet = _2_0;
  	              t1 = stylesheet;
  	              t2 = importer;
  	              return new A._Record_3_importer_isDependency(t1, t2, isDependency);
  	            }
  	          }
  	        }
  	        t1 = B.JSString_methods.startsWith$1(url, "package:");
  	        if (t1)
  	          throw A.wrapException(string$.x22packa);
  	        else
  	          throw A.wrapException("Can't find stylesheet to import.");
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException)
  	          throw exception;
  	        else if (t1 instanceof A.ArgumentError) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace(_this._evaluate$_exception$1(J.toString$0$(error)), error, stackTrace);
  	        } else {
  	          error0 = t1;
  	          stackTrace0 = A.getTraceFromException(exception);
  	          A.throwWithTrace(_this._evaluate$_exception$1(_this._getErrorMessage$1(error0)), error0, stackTrace0);
  	        }
  	      } finally {
  	        _this._importSpan = null;
  	      }
  	    },
  	    _loadStylesheet$3$baseUrl(url, span, baseUrl) {
  	      return this._loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, false);
  	    },
  	    _loadStylesheet$3$forImport(url, span, forImport) {
  	      return this._loadStylesheet$4$baseUrl$forImport(url, span, null, forImport);
  	    },
  	    _applyMixin$5(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      var t1, _0_0, t2, _1_8, t3, _this = this, _null = null,
  	        _s37_ = "Mixin doesn't accept a content block.",
  	        _s10_ = "invocation";
  	      $label0$0: {
  	        if (mixin == null)
  	          throw A.wrapException(_this._evaluate$_exception$2("Undefined mixin.", nodeWithSpan.get$span(nodeWithSpan)));
  	        t1 = mixin instanceof A.BuiltInCallable;
  	        if (t1 && !mixin.acceptsContent && contentCallable != null) {
  	          t1 = _this._evaluateArguments$1($arguments)._values;
  	          _0_0 = mixin.callbackFor$2(t1[2].length, new A.MapKeySet(t1[0], type$.MapKeySet_String));
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$(_s37_, nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_0_0._0.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), _null));
  	        }
  	        if (t1) {
  	          _this._environment.withContent$2(contentCallable, new A._EvaluateVisitor__applyMixin_closure(_this, $arguments, mixin, nodeWithSpanWithoutContent));
  	          break $label0$0;
  	        }
  	        t1 = type$.UserDefinedCallable_Environment._is(mixin);
  	        t2 = false;
  	        if (t1) {
  	          _1_8 = mixin.declaration;
  	          t3 = _1_8;
  	          if (t3 instanceof A.MixinRule)
  	            t2 = !type$.MixinRule._as(_1_8).get$hasContent() && contentCallable != null;
  	        }
  	        if (t2)
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$(_s37_, nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), _s10_, A.LinkedHashMap_LinkedHashMap$_literal([mixin.declaration.parameters.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), _null));
  	        if (t1) {
  	          _this._runUserDefinedCallable$1$4($arguments, mixin, nodeWithSpanWithoutContent, new A._EvaluateVisitor__applyMixin_closure0(_this, contentCallable, mixin, nodeWithSpanWithoutContent), type$.Null);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	      }
  	    },
  	    visitIncludeRule$1(_, node) {
  	      var _this = this,
  	        mixin = _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitIncludeRule_closure(_this, node));
  	      if (B.JSString_methods.startsWith$1(node.originalName, "--") && mixin instanceof A.UserDefinedCallable && !B.JSString_methods.startsWith$1(mixin.declaration.originalName, "--"))
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Sass__m, node.get$nameSpan()));
  	      _this._applyMixin$5(mixin, A.NullableExtension_andThen(node.content, new A._EvaluateVisitor_visitIncludeRule_closure0(_this)), node.$arguments, node, new A._FakeAstNode(new A._EvaluateVisitor_visitIncludeRule_closure1(node)));
  	      return null;
  	    },
  	    visitMixinRule$1(_, node) {
  	      var t1 = this._environment,
  	        t2 = t1.closure$0(),
  	        t3 = this._inDependency,
  	        t4 = t1._mixins,
  	        index = t4.length - 1,
  	        t5 = node.name;
  	      t1._mixinIndices.$indexSet(0, t5, index);
  	      t4[index].$indexSet(0, t5, new A.UserDefinedCallable(node, t2, t3, type$.UserDefinedCallable_Environment));
  	      return null;
  	    },
  	    visitLoudComment$1(_, node) {
  	      var t1, text, _this = this,
  	        _s8_ = "__parent",
  	        _s13_ = "_endOfImports";
  	      if (_this._inFunction)
  	        return null;
  	      if (_this._assertInModule$2(_this.__parent, _s8_) === _this._assertInModule$2(_this.__root, "_root") && _this._assertInModule$2(_this.__endOfImports, _s13_) === J.get$length$asx(_this._assertInModule$2(_this.__root, "_root").children._collection$_source))
  	        _this.__endOfImports = _this._assertInModule$2(_this.__endOfImports, _s13_) + 1;
  	      t1 = node.text;
  	      text = _this._performInterpolation$1(t1);
  	      if (!B.JSString_methods.endsWith$1(text, "*/"))
  	        text += " */";
  	      _this._copyParentAfterSibling$0();
  	      _this._assertInModule$2(_this.__parent, _s8_).addChild$1(new A.ModifiableCssComment(text, t1.span));
  	      return null;
  	    },
  	    visitMediaRule$1(_, node) {
  	      var _0_0, queries, mergedQueries, t1, mergedSources, t2, t3, _this = this, _null = null;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Media_, node.span));
  	      _0_0 = _this._performInterpolationWithMap$2$warnForColor(node.query, true);
  	      queries = new A.MediaQueryParser(A.SpanScanner$(_0_0._0, _null), _0_0._1).parse$0(0);
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$(queries, node.span), new A._EvaluateVisitor_visitMediaRule_closure(_this, node), false, type$.ModifiableCssMediaRule, type$.Null);
  	        return _null;
  	      }
  	      mergedQueries = A.NullableExtension_andThen(_this._mediaQueries, new A._EvaluateVisitor_visitMediaRule_closure0(_this, queries));
  	      t1 = mergedQueries == null;
  	      if (!t1 && J.get$isEmpty$asx(mergedQueries))
  	        return _null;
  	      if (t1)
  	        mergedSources = B.Set_empty2;
  	      else {
  	        t2 = _this._mediaQuerySources;
  	        t2.toString;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery);
  	        t3 = _this._mediaQueries;
  	        t3.toString;
  	        t2.addAll$1(0, t3);
  	        t2.addAll$1(0, queries);
  	        mergedSources = t2;
  	      }
  	      t1 = t1 ? queries : mergedQueries;
  	      _this._withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$(t1, node.span), new A._EvaluateVisitor_visitMediaRule_closure1(_this, mergedQueries, queries, mergedSources, node), node.hasDeclarations, new A._EvaluateVisitor_visitMediaRule_closure2(mergedSources), type$.ModifiableCssMediaRule, type$.Null);
  	      return _null;
  	    },
  	    _mergeMediaQueries$2(queries1, queries2) {
  	      var t1, t2, t3, t4, _0_0, t5, result,
  	        queries = A._setArrayType([], type$.JSArray_CssMediaQuery);
  	      for (t1 = J.get$iterator$ax(queries1), t2 = J.getInterceptor$ax(queries2); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        for (t4 = t2.get$iterator(queries2); t4.moveNext$0();) {
  	          _0_0 = t3.merge$1(t4.get$current(t4));
  	          if (B._SingletonCssMediaQueryMergeResult_0 === _0_0)
  	            continue;
  	          if (B._SingletonCssMediaQueryMergeResult_1 === _0_0)
  	            return null;
  	          t5 = _0_0 instanceof A.MediaQuerySuccessfulMergeResult;
  	          result = t5 ? _0_0 : null;
  	          if (t5)
  	            queries.push(result.query);
  	        }
  	      }
  	      return queries;
  	    },
  	    visitReturnRule$1(_, node) {
  	      var t1 = node.expression;
  	      return this._withoutSlash$2(t1.accept$1(this), t1);
  	    },
  	    visitSilentComment$1(_, node) {
  	      return null;
  	    },
  	    visitStyleRule$1(_, node) {
  	      var t1, _0_0, selectorText, selectorMap, parsedSelector, _1_0, t2, t3, _i, _2_0, first, t4, rule, oldAtRootExcludingStyleRule, _this = this, _null = null,
  	        _s8_ = "__parent",
  	        _s11_ = "_stylesheet";
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Style_n, node.span));
  	      else if (_this._inKeyframes && _this._assertInModule$2(_this.__parent, _s8_) instanceof A.ModifiableCssKeyframeBlock)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Style_k, node.span));
  	      t1 = node.selector;
  	      t1.toString;
  	      _0_0 = _this._performInterpolationWithMap$2$warnForColor(t1, true);
  	      selectorText = _0_0._0;
  	      selectorMap = _0_0._1;
  	      if (_this._inKeyframes) {
  	        _this._withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$(new A.CssValue(A.List_List$unmodifiable(new A.KeyframeSelectorParser(A.SpanScanner$(selectorText, _null), selectorMap).parse$0(0), type$.String), t1.span, type$.CssValue_List_String), node.span), new A._EvaluateVisitor_visitStyleRule_closure(_this, node), node.hasDeclarations, new A._EvaluateVisitor_visitStyleRule_closure0(), type$.ModifiableCssKeyframeBlock, type$.Null);
  	        return _null;
  	      }
  	      parsedSelector = A.SelectorList_SelectorList$parse(selectorText, true, selectorMap, _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss);
  	      _1_0 = _this._atRootExcludingStyleRule ? _null : _this._styleRuleIgnoringAtRoot;
  	      $label0$0: {
  	        if (_1_0 == null) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (_1_0.fromPlainCss) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = !(_this._assertInModule$2(_this.__stylesheet, _s11_).plainCss && parsedSelector.accept$1(B.C__ContainsParentSelectorVisitor));
  	        break $label0$0;
  	      }
  	      if (t1) {
  	        if (_this._assertInModule$2(_this.__stylesheet, _s11_).plainCss)
  	          for (t2 = parsedSelector.components, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	            _2_0 = t2[_i].leadingCombinators;
  	            if (_2_0.length >= 1) {
  	              first = _2_0[0];
  	              t4 = _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss;
  	            } else {
  	              first = _null;
  	              t4 = false;
  	            }
  	            if (t4)
  	              throw A.wrapException(_this._evaluate$_exception$2(string$.Top_le, first.span));
  	          }
  	        t2 = _this._styleRuleIgnoringAtRoot;
  	        t2 = t2 == null ? _null : t2.originalSelector;
  	        parsedSelector = parsedSelector.nestWithin$3$implicitParent$preserveParentSelectors(t2, !_this._atRootExcludingStyleRule, _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss);
  	      }
  	      rule = A.ModifiableCssStyleRule$(_this._assertInModule$2(_this.__extensionStore, "_extensionStore").addSelector$2(parsedSelector, _this._mediaQueries), node.span, _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss, parsedSelector);
  	      oldAtRootExcludingStyleRule = _this._atRootExcludingStyleRule;
  	      t2 = _this._atRootExcludingStyleRule = false;
  	      t1 = t1 ? new A._EvaluateVisitor_visitStyleRule_closure1() : _null;
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitStyleRule_closure2(_this, rule, node), node.hasDeclarations, t1, type$.ModifiableCssStyleRule, type$.Null);
  	      _this._atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	      _this._warnForBogusCombinators$1(rule);
  	      if ((_this._atRootExcludingStyleRule ? _null : _this._styleRuleIgnoringAtRoot) == null) {
  	        t1 = _this._assertInModule$2(_this.__parent, _s8_).children;
  	        t1 = !t1.get$isEmpty(t1);
  	      } else
  	        t1 = t2;
  	      if (t1) {
  	        t1 = _this._assertInModule$2(_this.__parent, _s8_).children;
  	        t1.get$last(t1).isGroupEnd = true;
  	      }
  	      return _null;
  	    },
  	    _warnForBogusCombinators$1(rule) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, t8, t9, _this = this, _null = null;
  	      if (!rule.accept$1(B._IsInvisibleVisitor_false_false))
  	        for (t1 = rule._style_rule$_selector._box$_inner.value.components, t2 = t1.length, t3 = type$.SourceSpan, t4 = type$.String, t5 = rule.children, _i = 0; _i < t2; ++_i) {
  	          complex = t1[_i];
  	          if (!complex.accept$1(B._IsBogusVisitor_true))
  	            continue;
  	          if (complex.accept$1(B.C__IsUselessVisitor)) {
  	            visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            _this._warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0)) + string$.x22x20is_ix20, A.SpanExtensions_trimRight(complex.span), B.Deprecation_0rM);
  	          } else if (complex.leadingCombinators.length !== 0) {
  	            if (!_this._assertInModule$2(_this.__stylesheet, "_stylesheet").plainCss) {
  	              visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	              complex.accept$1(visitor);
  	              _this._warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0)) + string$.x22x20is_ix0a, A.SpanExtensions_trimRight(complex.span), B.Deprecation_0rM);
  	            }
  	          } else {
  	            visitor = A._SerializeVisitor$(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            t6 = B.JSString_methods.trim$0(visitor._serialize$_buffer.toString$0(0));
  	            t7 = complex.accept$1(B._IsBogusVisitor_false) ? string$.x20It_wi : "";
  	            t8 = A.SpanExtensions_trimRight(complex.span);
  	            if (t5.get$length(0) === 0)
  	              A.throwExpression(A.IterableElementError_noElement());
  	            t9 = J.get$span$x(t5.$index(0, 0));
  	            _this._warn$3('The selector "' + t6 + string$.x22x20is_o + t7 + string$.x0aThis_, new A.MultiSpan(t8, "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t9, "this is not a style rule" + (t5.every$1(t5, new A._EvaluateVisitor__warnForBogusCombinators_closure()) ? "\n(try converting to a //-style comment)" : "")], t3, t4), t3, t4)), B.Deprecation_0rM);
  	          }
  	        }
  	    },
  	    visitSupportsRule$1(_, node) {
  	      var t1, rule, _this = this;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Suppor, node.span));
  	      t1 = node.condition;
  	      rule = A.ModifiableCssSupportsRule$(new A.CssValue(_this._visitSupportsCondition$1(t1), t1.get$span(t1), type$.CssValue_String), node.span);
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitSupportsRule_closure(_this, node), node.hasDeclarations, type$.ModifiableCssSupportsRule, type$.Null);
  	        return null;
  	      }
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitSupportsRule_closure0(_this, node), node.hasDeclarations, new A._EvaluateVisitor_visitSupportsRule_closure1(), type$.ModifiableCssSupportsRule, type$.Null);
  	      return null;
  	    },
  	    _visitSupportsCondition$1(condition) {
  	      var t1, _this = this;
  	      $label0$0: {
  	        if (condition instanceof A.SupportsOperation) {
  	          t1 = condition.operator;
  	          t1 = _this._evaluate$_parenthesize$2(condition.left, t1) + " " + t1.toString$0(0) + " " + _this._evaluate$_parenthesize$2(condition.right, t1);
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsNegation) {
  	          t1 = "not " + _this._evaluate$_parenthesize$1(condition.condition);
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsInterpolation) {
  	          t1 = condition.expression;
  	          t1 = _this._evaluate$_serialize$3$quote(t1.accept$1(_this), t1, false);
  	          break $label0$0;
  	        }
  	        t1 = {};
  	        t1.declaration = null;
  	        if (condition instanceof A.SupportsDeclaration) {
  	          t1.declaration = condition;
  	          t1 = _this._withSupportsDeclaration$1(new A._EvaluateVisitor__visitSupportsCondition_closure(t1, _this));
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsFunction) {
  	          t1 = _this._performInterpolation$1(condition.name) + "(" + _this._performInterpolation$1(condition.$arguments) + ")";
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsAnything) {
  	          t1 = "(" + _this._performInterpolation$1(condition.contents) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$("Unknown supports condition type " + A.getRuntimeTypeOfDartObject(condition).toString$0(0) + ".", null));
  	      }
  	      return t1;
  	    },
  	    _withSupportsDeclaration$1$1(callback) {
  	      var t1,
  	        oldInSupportsDeclaration = this._inSupportsDeclaration;
  	      this._inSupportsDeclaration = true;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        this._inSupportsDeclaration = oldInSupportsDeclaration;
  	      }
  	    },
  	    _withSupportsDeclaration$1(callback) {
  	      return this._withSupportsDeclaration$1$1(callback, type$.dynamic);
  	    },
  	    _evaluate$_parenthesize$2(condition, operator) {
  	      var t1;
  	      if (!(condition instanceof A.SupportsNegation))
  	        if (condition instanceof A.SupportsOperation)
  	          t1 = operator == null || operator !== condition.operator;
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      if (t1)
  	        return "(" + this._visitSupportsCondition$1(condition) + ")";
  	      return this._visitSupportsCondition$1(condition);
  	    },
  	    _evaluate$_parenthesize$1(condition) {
  	      return this._evaluate$_parenthesize$2(condition, null);
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      var t1, t2, _0_0, value, _this = this, _null = null;
  	      if (node.isGuarded) {
  	        if (node.namespace == null && _this._environment._variables.length === 1) {
  	          t1 = node.name;
  	          _this._environment._configurableVariables.add$1(0, t1);
  	          t2 = _this._configuration._configuration$_values;
  	          _0_0 = t2.get$isEmpty(t2) ? _null : t2.remove$1(0, t1);
  	          t1 = {};
  	          t1.override = null;
  	          if (_0_0 != null) {
  	            t1.override = _0_0;
  	            t2 = !_0_0.value.$eq(0, B.C__SassNull);
  	          } else
  	            t2 = false;
  	          if (t2) {
  	            _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure(t1, _this, node));
  	            return _null;
  	          }
  	        }
  	        value = _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure0(_this, node));
  	        if (value != null && !value.$eq(0, B.C__SassNull))
  	          return _null;
  	      }
  	      if (node.isGlobal && !_this._environment.globalVariableExists$1(node.name)) {
  	        t1 = _this._environment._variables.length === 1 ? string$.As_of_S : string$.As_of_R + A.declarationName(node.span) + ": null` at the stylesheet root.";
  	        _this._warn$3(t1, node.span, B.Deprecation_jGw);
  	      }
  	      t1 = node.expression;
  	      _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure1(_this, node, _this._withoutSlash$2(t1.accept$1(_this), t1)));
  	      return _null;
  	    },
  	    visitUseRule$1(_, node) {
  	      var values, _i, variable, t3, variableNodeWithSpan, configuration, _this = this,
  	        t1 = node.configuration,
  	        t2 = t1.length;
  	      if (t2 !== 0) {
  	        values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue);
  	        for (_i = 0; _i < t2; ++_i) {
  	          variable = t1[_i];
  	          t3 = variable.expression;
  	          variableNodeWithSpan = _this._expressionNode$1(t3);
  	          values.$indexSet(0, variable.name, new A.ConfiguredValue(_this._withoutSlash$2(t3.accept$1(_this), variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	        }
  	        configuration = new A.ExplicitConfiguration(node, values, null);
  	      } else
  	        configuration = B.Configuration_Map_empty_null;
  	      _this._loadModule$5$configuration(node.url, "@use", node, new A._EvaluateVisitor_visitUseRule_closure(_this, node), configuration);
  	      _this._assertConfigurationIsEmpty$1(configuration);
  	      return null;
  	    },
  	    visitWarnRule$1(_, node) {
  	      var _this = this,
  	        value = _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitWarnRule_closure(_this, node)),
  	        t1 = value instanceof A.SassString ? value._string$_text : _this._evaluate$_serialize$2(value, node.expression),
  	        t2 = _this._evaluate$_stackTrace$1(node.span);
  	      _this._logger.internalWarn$4$deprecation$span$trace(t1, null, null, t2);
  	      return null;
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this._environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitWhileRule_closure(this, node), true, node.hasDeclarations, type$.nullable_Value);
  	    },
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, _this = this;
  	      if (_this._assertInModule$2(_this.__stylesheet, "_stylesheet").plainCss) {
  	        t1 = node.operator;
  	        t1 = t1 !== B.BinaryOperator_g6F && t1 !== B.BinaryOperator_ehp;
  	      } else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(_this._evaluate$_exception$2("Operators aren't allowed in plain CSS.", node.get$operatorSpan()));
  	      return _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitBinaryOperationExpression_closure(_this, node));
  	    },
  	    _slash$3(left, right, node) {
  	      var left0, _1_2,
  	        result = left.dividedBy$1(right),
  	        _1_2_isSet = left instanceof A.SassNumber,
  	        right0 = null,
  	        t1 = false;
  	      if (_1_2_isSet) {
  	        if (right instanceof A.SassNumber) {
  	          t1 = node.allowsSlash && this._operandAllowsSlash$1(node.left) && this._operandAllowsSlash$1(node.right);
  	          right0 = right;
  	        }
  	        left0 = left;
  	        _1_2 = right;
  	      } else {
  	        _1_2 = null;
  	        left0 = null;
  	      }
  	      if (t1)
  	        return type$.SassNumber._as(result).withSlash$2(left0, right0);
  	      if (left instanceof A.SassNumber)
  	        t1 = (_1_2_isSet ? _1_2 : right) instanceof A.SassNumber;
  	      else
  	        t1 = false;
  	      if (t1) {
  	        this._warn$3(string$.Using__o + A.S(new A._EvaluateVisitor__slash_recommendation().call$1(node)) + " or " + A.expressionToCalc(node).toString$0(0) + string$.x0a_Morex20, node.get$span(0), B.Deprecation_qZ1);
  	        return result;
  	      }
  	      return result;
  	    },
  	    _operandAllowsSlash$1(node) {
  	      var t1;
  	      if (node instanceof A.FunctionExpression)
  	        if (node.namespace == null) {
  	          t1 = node.name;
  	          t1 = B.Set_Pr3yj.contains$1(0, t1.toLowerCase()) && this._environment.getFunction$1(t1) == null;
  	        } else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return node.value;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      var result = this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableExpression_closure(this, node));
  	      if (result != null)
  	        return result;
  	      throw A.wrapException(this._evaluate$_exception$2("Undefined variable.", node.span));
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitUnaryOperationExpression_closure(node, node.operand.accept$1(this)));
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return node.value ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    visitIfExpression$1(_, node) {
  	      var t1, t2, t3, results, _i, t4, condition, expression, result, _1_2, _this = this;
  	      for (t1 = node.branches, t2 = t1.length, t3 = type$.JSArray_Record_2_String_and_Value, results = null, _i = 0; _i < t2; ++_i) {
  	        t4 = t1[_i];
  	        condition = t4._0;
  	        expression = t4._1;
  	        result = condition == null ? null : condition.accept$1(_this);
  	        if (result == null)
  	          result = true;
  	        t4 = typeof result == "string";
  	        condition = t4 ? result : null;
  	        if (t4) {
  	          if (results == null)
  	            results = A._setArrayType([], t3);
  	          results.push(new A._Record_2(condition, expression.accept$1(_this)));
  	          continue;
  	        }
  	        _1_2 = true === result;
  	        if (_1_2 && results != null) {
  	          results.push(new A._Record_2("else", expression.accept$1(_this)));
  	          continue;
  	        }
  	        if (_1_2)
  	          return expression.accept$1(_this);
  	      }
  	      if (results == null)
  	        return B.C__SassNull;
  	      return new A.SassString("if(" + new A.MappedListIterable(results, new A._EvaluateVisitor_visitIfExpression_closure(), A._arrayInstanceType(results)._eval$1("MappedListIterable<1,String>")).join$1(0, "; ") + ")", false);
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      var t1,
  	        _0_0 = node.expression.accept$1(this);
  	      $label0$0: {
  	        if (typeof _0_0 == "string") {
  	          t1 = "(" + _0_0 + ")";
  	          break $label0$0;
  	        }
  	        t1 = _0_0;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      var t1,
  	        _0_0 = node.expression.accept$1(this);
  	      $label0$0: {
  	        if (typeof _0_0 == "string") {
  	          t1 = "not " + _0_0;
  	          break $label0$0;
  	        }
  	        if (A._isBool(_0_0)) {
  	          t1 = !_0_0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("unreachable"));
  	      }
  	      return t1;
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      var t1, t2, t3, t4, t5, t6, values, _i, expression, _0_0, t7, right, _1_6_isSet, _1_6, string;
  	      for (t1 = node.expressions, t2 = t1.length, t3 = node.op, t4 = t3 === B.BooleanOperator_0, t5 = t3 === B.BooleanOperator_1, t6 = type$.JSArray_Record_2_IfConditionExpression_and_String, values = null, _i = 0; _i < t2; ++_i) {
  	        expression = t1[_i];
  	        _0_0 = expression.accept$1(this);
  	        t7 = typeof _0_0 == "string";
  	        right = t7 ? _0_0 : null;
  	        if (t7) {
  	          if (values == null)
  	            values = A._setArrayType([], t6);
  	          values.push(new A._Record_2(expression, right));
  	          continue;
  	        }
  	        if (false === _0_0 && t4)
  	          return false;
  	        if (true === _0_0 && t5)
  	          return true;
  	      }
  	      $label0$1: {
  	        if (values == null) {
  	          t1 = t4;
  	          break $label0$1;
  	        }
  	        _1_6_isSet = values.length === 1;
  	        if (_1_6_isSet) {
  	          _1_6 = values[0];
  	          t1 = _1_6._0 instanceof A.IfConditionParenthesized;
  	        } else {
  	          _1_6 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          string = (_1_6_isSet ? _1_6 : values[0])._1;
  	          t1 = B.JSString_methods.substring$2(string, 1, string.length - 1);
  	          break $label0$1;
  	        }
  	        t1 = new A.MappedListIterable(values, new A._EvaluateVisitor_visitIfConditionOperation_closure(), A._arrayInstanceType(values)._eval$1("MappedListIterable<1,String>")).join$1(0, " " + t3.toString$0(0) + " ");
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return this._performInterpolation$1(node.name) + "(" + this._performInterpolation$1(node.$arguments) + ")";
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return node.expression.accept$1(this).get$isTruthy();
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return this._performInterpolation$1(node.text);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      var condition, t1, ifTrue, ifFalse, result, _this = this,
  	        _0_0 = _this._evaluateMacroArguments$1(node),
  	        positional = _0_0._0,
  	        named = _0_0._1;
  	      _this._verifyArguments$4(positional.length, named, $.$get$LegacyIfExpression_declaration(), node);
  	      condition = A.ListExtensions_elementAtOrNull(positional, 0);
  	      if (condition == null) {
  	        t1 = named.$index(0, "condition");
  	        t1.toString;
  	        condition = t1;
  	      }
  	      ifTrue = A.ListExtensions_elementAtOrNull(positional, 1);
  	      if (ifTrue == null) {
  	        t1 = named.$index(0, "if-true");
  	        t1.toString;
  	        ifTrue = t1;
  	      }
  	      ifFalse = A.ListExtensions_elementAtOrNull(positional, 2);
  	      if (ifFalse == null) {
  	        t1 = named.$index(0, "if-false");
  	        t1.toString;
  	        ifFalse = t1;
  	      }
  	      result = condition.accept$1(_this).get$isTruthy() ? ifTrue : ifFalse;
  	      return _this._withoutSlash$2(result.accept$1(_this), _this._expressionNode$1(result));
  	    },
  	    visitNullExpression$1(_, node) {
  	      return B.C__SassNull;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return A.SassNumber_SassNumber(node.value, node.unit);
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      var _this = this;
  	      return _this._assertInModule$2(_this.__stylesheet, "_stylesheet").plainCss ? A.throwExpression(_this._evaluate$_exception$2("Parentheses aren't allowed in plain CSS.", node.span)) : node.expression.accept$1(_this);
  	    },
  	    visitColorExpression$1(_, node) {
  	      return node.value;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return A.SassList$(new A.MappedListIterable(t1, new A._EvaluateVisitor_visitListExpression_closure(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value>")), node.separator, node.hasBrackets);
  	    },
  	    visitMapExpression$1(_, node) {
  	      var t2, t3, _i, t4, key, keyValue, valueValue, oldValueSpan,
  	        t1 = type$.Value,
  	        map = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1),
  	        keyNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode);
  	      for (t2 = node.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        key = t4._0;
  	        keyValue = key.accept$1(this);
  	        valueValue = t4._1.accept$1(this);
  	        if (map.containsKey$1(keyValue)) {
  	          t1 = keyNodes.$index(0, keyValue);
  	          oldValueSpan = t1 == null ? null : t1.get$span(t1);
  	          t1 = key.get$span(key);
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (oldValueSpan != null)
  	            t2.$indexSet(0, oldValueSpan, "first key");
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$("Duplicate key.", t1, "second key", t2, this._evaluate$_stackTrace$1(key.get$span(key)), null));
  	        }
  	        map.$indexSet(0, keyValue, valueValue);
  	        keyNodes.$indexSet(0, keyValue, key);
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(map, t1, t1));
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      var t2, _0_0, t3, t4, $name, oldInFunction, result, _this = this,
  	        _s11_ = "_stylesheet",
  	        t1 = {},
  	        $function = _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss ? null : _this._addExceptionSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure(_this, node));
  	      t1.$function = $function;
  	      if ($function == null || B.JSString_methods.startsWith$1(node.originalName, "--")) {
  	        if (node.namespace != null)
  	          throw A.wrapException(_this._evaluate$_exception$2("Undefined function.", node.span));
  	        t2 = node.name;
  	        _0_0 = t2.toLowerCase();
  	        t3 = false;
  	        if ("min" === _0_0 || "max" === _0_0 || "round" === _0_0 || "abs" === _0_0) {
  	          t3 = node.$arguments;
  	          t4 = t3.named;
  	          t3 = t4.get$isEmpty(t4) && t3.rest == null && B.JSArray_methods.every$1(t3.positional, new A._EvaluateVisitor_visitFunctionExpression_closure0());
  	          $name = _0_0;
  	        } else
  	          $name = null;
  	        if (t3)
  	          return _this._visitCalculation$2$inLegacySassFunction(node, $name);
  	        if ("calc" === _0_0 || "clamp" === _0_0 || "hypot" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "sqrt" === _0_0 || "exp" === _0_0 || "sign" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "atan2" === _0_0 || "pow" === _0_0 || "log" === _0_0 || "calc-size" === _0_0)
  	          return _this._visitCalculation$1(node);
  	        $function = _this._assertInModule$2(_this.__stylesheet, _s11_).plainCss ? null : _this._builtInFunctions.$index(0, t2);
  	        t1.$function = $function == null ? new A.PlainCssCallable(node.originalName) : $function;
  	      }
  	      oldInFunction = _this._inFunction;
  	      _this._inFunction = true;
  	      result = _this._addErrorSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure1(t1, _this, node));
  	      _this._inFunction = oldInFunction;
  	      return result;
  	    },
  	    _visitCalculation$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      var $arguments, oldCallableNode, t1, _0_0, error, stackTrace, t4, _i, _this = this,
  	        t2 = node.$arguments,
  	        t3 = t2.named;
  	      if (t3.get$isNotEmpty(t3))
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Keywor, node.span));
  	      else if (t2.rest != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Rest_a, node.span));
  	      _this._checkCalculationArguments$1(node);
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      for (t2 = t2.positional, t4 = t2.length, _i = 0; _i < t4; ++_i)
  	        t3.push(_this._visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction));
  	      $arguments = t3;
  	      if (_this._inSupportsDeclaration)
  	        return new A.SassCalculation(node.name, A.List_List$unmodifiable($arguments, type$.Object));
  	      oldCallableNode = _this._callableNode;
  	      _this._callableNode = node;
  	      try {
  	        t1 = null;
  	        t3 = node.name;
  	        _0_0 = t3.toLowerCase();
  	        $label0$0: {
  	          if ("calc" === _0_0) {
  	            t1 = A.SassCalculation_calc(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("sqrt" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("sqrt", J.$index$asx($arguments, 0), A.number0__sqrt$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("sin" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("sin", J.$index$asx($arguments, 0), A.number0__sin$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("cos" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("cos", J.$index$asx($arguments, 0), A.number0__cos$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("tan" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("tan", J.$index$asx($arguments, 0), A.number0__tan$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("asin" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("asin", J.$index$asx($arguments, 0), A.number0__asin$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("acos" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("acos", J.$index$asx($arguments, 0), A.number0__acos$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("atan" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument("atan", J.$index$asx($arguments, 0), A.number0__atan$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("abs" === _0_0) {
  	            t1 = A.SassCalculation_abs(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("exp" === _0_0) {
  	            t1 = A.SassCalculation_exp(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("sign" === _0_0) {
  	            t1 = A.SassCalculation_sign(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("min" === _0_0) {
  	            t1 = A.SassCalculation_min($arguments);
  	            break $label0$0;
  	          }
  	          if ("max" === _0_0) {
  	            t1 = A.SassCalculation_max($arguments);
  	            break $label0$0;
  	          }
  	          if ("hypot" === _0_0) {
  	            t1 = A.SassCalculation_hypot($arguments);
  	            break $label0$0;
  	          }
  	          if ("pow" === _0_0) {
  	            t1 = A.SassCalculation_pow(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("atan2" === _0_0) {
  	            t1 = A.SassCalculation_atan2(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("log" === _0_0) {
  	            t1 = A.SassCalculation_log(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("mod" === _0_0) {
  	            t1 = A.SassCalculation_mod(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("rem" === _0_0) {
  	            t1 = A.SassCalculation_rem(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("round" === _0_0) {
  	            t1 = A.SassCalculation_roundInternal(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2), inLegacySassFunction, node.span, new A._EvaluateVisitor__visitCalculation_closure(_this, node));
  	            break $label0$0;
  	          }
  	          if ("clamp" === _0_0) {
  	            t1 = A.SassCalculation_clamp(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2));
  	            break $label0$0;
  	          }
  	          if ("calc-size" === _0_0) {
  	            t1 = A.SassCalculation_calcSize(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          t3 = A.UnsupportedError$('Unknown calculation name "' + t3 + '".');
  	          t1 = A.throwExpression(t3);
  	        }
  	        t1 = t1;
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          if (B.JSString_methods.contains$1(error.message, "compatible"))
  	            _this._verifyCompatibleNumbers$2($arguments, t2);
  	          A.throwWithTrace(_this._evaluate$_exception$2(error.message, node.span), error, stackTrace);
  	        } else
  	          throw exception;
  	      } finally {
  	        _this._callableNode = oldCallableNode;
  	      }
  	    },
  	    _visitCalculation$1(node) {
  	      return this._visitCalculation$2$inLegacySassFunction(node, null);
  	    },
  	    _checkCalculationArguments$1(node) {
  	      var t1, _0_0,
  	        check = new A._EvaluateVisitor__checkCalculationArguments_check(this, node);
  	      $label0$0: {
  	        t1 = node.name;
  	        _0_0 = t1.toLowerCase();
  	        if ("calc" === _0_0 || "sqrt" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "abs" === _0_0 || "exp" === _0_0 || "sign" === _0_0) {
  	          check.call$1(1);
  	          break $label0$0;
  	        }
  	        if ("min" === _0_0 || "max" === _0_0 || "hypot" === _0_0) {
  	          check.call$0();
  	          break $label0$0;
  	        }
  	        if ("pow" === _0_0 || "atan2" === _0_0 || "log" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "calc-size" === _0_0) {
  	          check.call$1(2);
  	          break $label0$0;
  	        }
  	        if ("round" === _0_0 || "clamp" === _0_0) {
  	          check.call$1(3);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$('Unknown calculation name "' + t1 + '".'));
  	      }
  	    },
  	    _verifyCompatibleNumbers$2(args, nodesWithSpans) {
  	      var i, t1, _0_0, arg, t2, number1, j, number2, t3, t4, t5, t6;
  	      for (i = 0; t1 = args.length, i < t1; ++i) {
  	        _0_0 = args[i];
  	        if (_0_0 instanceof A.SassNumber) {
  	          t1 = _0_0.get$hasComplexUnits();
  	          arg = _0_0;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.S(arg);
  	          t2 = nodesWithSpans[i];
  	          throw A.wrapException(this._evaluate$_exception$2("Number " + t1 + " isn't compatible with CSS calculations.", t2.get$span(t2)));
  	        }
  	      }
  	      for (i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          t1 = number1.toString$0(0);
  	          t2 = number2.toString$0(0);
  	          t3 = nodesWithSpans[i];
  	          t3 = t3.get$span(t3);
  	          t4 = number1.toString$0(0);
  	          t5 = nodesWithSpans[j];
  	          t5 = A.LinkedHashMap_LinkedHashMap$_literal([t5.get$span(t5), number2.toString$0(0)], type$.FileSpan, type$.String);
  	          t6 = nodesWithSpans[i];
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$(t1 + " and " + t2 + " are incompatible.", t3, t4, t5, this._evaluate$_stackTrace$1(t6.get$span(t6)), null));
  	        }
  	      }
  	    },
  	    _visitCalculationExpression$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      var result, t2, _0_0, _box_0, _1_0, t3, _i, i, _this = this, _null = null,
  	        t1 = node instanceof A.ParenthesizedExpression,
  	        inner = t1 ? node.expression : _null;
  	      if (t1) {
  	        result = _this._visitCalculationExpression$2$inLegacySassFunction(inner, inLegacySassFunction);
  	        return result instanceof A.SassString ? new A.SassString("(" + result._string$_text + ")", false) : result;
  	      }
  	      if (node instanceof A.StringExpression && node.accept$1(B.C_IsCalculationSafeVisitor)) {
  	        t1 = node.text;
  	        t2 = t1.get$asPlain();
  	        _0_0 = t2 == null ? _null : t2.toLowerCase();
  	        $label0$0: {
  	          if ("pi" === _0_0) {
  	            t1 = A.SassNumber_SassNumber(3.141592653589793, _null);
  	            break $label0$0;
  	          }
  	          if ("e" === _0_0) {
  	            t1 = A.SassNumber_SassNumber(2.718281828459045, _null);
  	            break $label0$0;
  	          }
  	          if ("infinity" === _0_0) {
  	            t1 = A.SassNumber_SassNumber(1 / 0, _null);
  	            break $label0$0;
  	          }
  	          if ("-infinity" === _0_0) {
  	            t1 = A.SassNumber_SassNumber(-1 / 0, _null);
  	            break $label0$0;
  	          }
  	          if ("nan" === _0_0) {
  	            t1 = A.SassNumber_SassNumber(0 / 0, _null);
  	            break $label0$0;
  	          }
  	          t1 = new A.SassString(_this._performInterpolation$1(t1), false);
  	          break $label0$0;
  	        }
  	        return t1;
  	      }
  	      _box_0 = {};
  	      _box_0.right = _box_0.left = _box_0.operator = null;
  	      t1 = node instanceof A.BinaryOperationExpression;
  	      if (t1) {
  	        _box_0.operator = node.operator;
  	        _box_0.left = node.left;
  	        _box_0.right = node.right;
  	      }
  	      if (t1) {
  	        _this._checkWhitespaceAroundCalculationOperator$1(node);
  	        return _this._addExceptionSpan$2(node, new A._EvaluateVisitor__visitCalculationExpression_closure(_box_0, _this, node, inLegacySassFunction));
  	      }
  	      if (node instanceof A.NumberExpression || node instanceof A.VariableExpression || node instanceof A.FunctionExpression || node instanceof A.LegacyIfExpression) {
  	        _1_0 = node.accept$1(_this);
  	        $label1$1: {
  	          if (_1_0 instanceof A.SassNumber) {
  	            t1 = _1_0;
  	            break $label1$1;
  	          }
  	          if (_1_0 instanceof A.SassCalculation) {
  	            t1 = _1_0;
  	            break $label1$1;
  	          }
  	          if (_1_0 instanceof A.SassString) {
  	            t1 = !_1_0._hasQuotes;
  	            result = _1_0;
  	          } else {
  	            result = _null;
  	            t1 = false;
  	          }
  	          if (t1) {
  	            t1 = result;
  	            break $label1$1;
  	          }
  	          t1 = A.throwExpression(_this._evaluate$_exception$2("Value " + _1_0.toString$0(0) + " can't be used in a calculation.", node.get$span(node)));
  	        }
  	        return t1;
  	      }
  	      if (node instanceof A.ListExpression && !node.hasBrackets && B.ListSeparator_SrV === node.separator && node.contents.length >= 2) {
  	        t1 = A._setArrayType([], type$.JSArray_Object);
  	        for (t2 = node.contents, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t1.push(_this._visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction));
  	        _this._checkAdjacentCalculationValues$2(t1, node);
  	        for (i = 0; i < t1.length; ++i) {
  	          t3 = t1[i];
  	          if (t3 instanceof A.CalculationOperation && t2[i] instanceof A.ParenthesizedExpression)
  	            t1[i] = new A.SassString("(" + t3.toString$0(0) + ")", false);
  	        }
  	        return new A.SassString(B.JSArray_methods.join$1(t1, " "), false);
  	      }
  	      throw A.wrapException(_this._evaluate$_exception$2(string$.This_e, node.get$span(node)));
  	    },
  	    _checkWhitespaceAroundCalculationOperator$1(node) {
  	      var t2, t3, t4, textBetweenOperands, first, last,
  	        t1 = node.operator;
  	      if (t1 !== B.BinaryOperator_jCK && t1 !== B.BinaryOperator_tDf)
  	        return;
  	      t1 = node.left;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = node.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 !== t4.get$file(t4))
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$end(t2);
  	      t4 = t3.get$span(t3);
  	      if (t2.offset >= t4.get$start(t4).offset)
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t1 = t1.get$span(t1);
  	      t1 = t1.get$end(t1);
  	      t3 = t3.get$span(t3);
  	      textBetweenOperands = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2._decodedChars, t1.offset, t3.get$start(t3).offset), 0, null);
  	      first = textBetweenOperands.charCodeAt(0);
  	      last = textBetweenOperands.charCodeAt(textBetweenOperands.length - 1);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47)
  	        t1 = !(last === 32 || last === 9 || last === 10 || last === 13 || last === 12 || last === 47);
  	      else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(this._evaluate$_exception$2(string$.x22x2b__an, node.get$operatorSpan()));
  	    },
  	    _binaryOperatorToCalculationOperator$2(operator, node) {
  	      var t1;
  	      $label0$0: {
  	        if (B.BinaryOperator_jCK === operator) {
  	          t1 = B.CalculationOperator_dpX;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_tDf === operator) {
  	          t1 = B.CalculationOperator_KrC;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_wkM === operator) {
  	          t1 = B.CalculationOperator_LPB;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_ehp === operator) {
  	          t1 = B.CalculationOperator_wFL;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(this._evaluate$_exception$2(string$.This_o, node.get$operatorSpan()));
  	      }
  	      return t1;
  	    },
  	    _checkAdjacentCalculationValues$2(elements, node) {
  	      var t1, i, t2, previous, current, previousNode, currentNode, _0_2;
  	      for (t1 = elements.length, i = 1; i < t1; ++i) {
  	        t2 = i - 1;
  	        previous = elements[t2];
  	        current = elements[i];
  	        if (previous instanceof A.SassString || current instanceof A.SassString)
  	          continue;
  	        t1 = node.contents;
  	        previousNode = t1[t2];
  	        currentNode = t1[i];
  	        if (currentNode instanceof A.UnaryOperationExpression) {
  	          _0_2 = currentNode.operator;
  	          if (B.UnaryOperator_hCO !== _0_2)
  	            t1 = B.UnaryOperator_n2K === _0_2;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (!t1)
  	          t1 = currentNode instanceof A.NumberExpression && currentNode.value < 0;
  	        else
  	          t1 = true;
  	        if (t1)
  	          throw A.wrapException(this._evaluate$_exception$2(string$.x22x2b__an, A.FileSpanExtension_subspan(currentNode.get$span(currentNode), 0, 1)));
  	        else
  	          throw A.wrapException(this._evaluate$_exception$2("Missing math operator.", previousNode.get$span(previousNode).expand$1(0, currentNode.get$span(currentNode))));
  	      }
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      var result, _this = this,
  	        t1 = _this._performInterpolation$1(node.name),
  	        oldInFunction = _this._inFunction;
  	      _this._inFunction = true;
  	      result = _this._addErrorSpan$2(node, new A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure(_this, node, new A.PlainCssCallable(t1)));
  	      _this._inFunction = oldInFunction;
  	      return result;
  	    },
  	    _runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, run, $V) {
  	      var oldInDependency, result, _this = this,
  	        evaluated = _this._evaluateArguments$1($arguments),
  	        $name = callable.declaration.name;
  	      if ($name !== "@content")
  	        $name += "()";
  	      oldInDependency = _this._inDependency;
  	      _this._inDependency = callable.inDependency;
  	      result = _this._withStackFrame$3($name, nodeWithSpan, new A._EvaluateVisitor__runUserDefinedCallable_closure(_this, callable, evaluated, nodeWithSpan, run, $V));
  	      _this._inDependency = oldInDependency;
  	      return result;
  	    },
  	    _runFunctionCallable$3($arguments, callable, nodeWithSpan) {
  	      var buffer, first, argument, restArg, rest, error, t1, t2, _i, t3, t4, _this = this;
  	      if (callable instanceof A.BuiltInCallable)
  	        return _this._withoutSlash$2(_this._runBuiltInCallable$3($arguments, callable, nodeWithSpan), nodeWithSpan);
  	      else if (type$.UserDefinedCallable_Environment._is(callable))
  	        return _this._runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, new A._EvaluateVisitor__runFunctionCallable_closure(_this, callable), type$.Value);
  	      else if (callable instanceof A.PlainCssCallable) {
  	        t1 = $arguments.named;
  	        if (t1.get$isNotEmpty(t1) || $arguments.keywordRest != null)
  	          throw A.wrapException(_this._evaluate$_exception$2(string$.Plain_, nodeWithSpan.get$span(nodeWithSpan)));
  	        buffer = new A.StringBuffer(callable.name + "(");
  	        try {
  	          first = true;
  	          for (t1 = $arguments.positional, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	            argument = t1[_i];
  	            if (first)
  	              first = false;
  	            else
  	              buffer._contents += ", ";
  	            t3 = buffer;
  	            t4 = argument;
  	            t4 = _this._evaluate$_serialize$3$quote(t4.accept$1(_this), t4, true);
  	            t3._contents += t4;
  	          }
  	          restArg = $arguments.rest;
  	          if (restArg != null) {
  	            rest = restArg.accept$1(_this);
  	            if (!first)
  	              buffer._contents += ", ";
  	            t1 = buffer;
  	            t2 = _this._evaluate$_serialize$2(rest, restArg);
  	            t1._contents += t2;
  	          }
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.SassRuntimeException._is(t1)) {
  	            error = t1;
  	            if (!B.JSString_methods.endsWith$1(error._span_exception$_message, "isn't a valid CSS value."))
  	              throw exception;
  	            throw A.wrapException(A.MultiSpanSassRuntimeException$(error._span_exception$_message, J.get$span$x(error), "value", A.LinkedHashMap_LinkedHashMap$_literal([nodeWithSpan.get$span(nodeWithSpan), "unknown function treated as plain CSS"], type$.FileSpan, type$.String), J.get$trace$z(error), null));
  	          } else
  	            throw exception;
  	        }
  	        t1 = buffer;
  	        t2 = A.Primitives_stringFromCharCode(41);
  	        t1._contents += t2;
  	        t2 = buffer._contents;
  	        return new A.SassString(t2.charCodeAt(0) == 0 ? t2 : t2, false);
  	      } else
  	        throw A.wrapException(A.ArgumentError$("Unknown callable type " + J.get$runtimeType$(callable).toString$0(0) + ".", null));
  	    },
  	    _runBuiltInCallable$3($arguments, callable, nodeWithSpan) {
  	      var result, error, stackTrace, namedSet, _0_0, parameters, i, t1, parameter, t2, t3, rest, argumentList, _this = this, _box_0 = {},
  	        evaluated = _this._evaluateArguments$1($arguments),
  	        oldCallableNode = _this._callableNode;
  	      _this._callableNode = nodeWithSpan;
  	      namedSet = new A.MapKeySet(evaluated._values[0], type$.MapKeySet_String);
  	      _box_0.callback = _box_0.overload = null;
  	      _0_0 = callable.callbackFor$2(evaluated._values[2].length, namedSet);
  	      _box_0.overload = _0_0._0;
  	      _box_0.callback = _0_0._1;
  	      _this._addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure(_box_0, evaluated, namedSet));
  	      parameters = _box_0.overload.parameters;
  	      for (i = evaluated._values[2].length, t1 = parameters.length; i < t1; ++i) {
  	        parameter = parameters[i];
  	        t2 = evaluated._values[2];
  	        t3 = evaluated._values[0].remove$1(0, parameter.name);
  	        if (t3 == null) {
  	          t3 = parameter.defaultValue;
  	          t3 = _this._withoutSlash$2(t3.accept$1(_this), t3);
  	        }
  	        t2.push(t3);
  	      }
  	      if (_box_0.overload.restParameter != null) {
  	        if (evaluated._values[2].length > t1) {
  	          rest = B.JSArray_methods.sublist$1(evaluated._values[2], t1);
  	          B.JSArray_methods.removeRange$2(evaluated._values[2], t1, evaluated._values[2].length);
  	        } else
  	          rest = B.List_empty8;
  	        t1 = evaluated._values[0];
  	        argumentList = A.SassArgumentList$(rest, t1, evaluated._values[4] === B.ListSeparator_undecided_null_3_undecided ? B.ListSeparator_z0K : evaluated._values[4]);
  	        evaluated._values[2].push(argumentList);
  	      } else
  	        argumentList = null;
  	      result = null;
  	      try {
  	        result = _this._addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure0(_box_0, evaluated));
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException)
  	          throw exception;
  	        else {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace(_this._evaluate$_exception$2(_this._getErrorMessage$1(error), nodeWithSpan.get$span(nodeWithSpan)), error, stackTrace);
  	        }
  	      }
  	      _this._callableNode = oldCallableNode;
  	      if (argumentList == null)
  	        return result;
  	      if (evaluated._values[0].__js_helper$_length === 0)
  	        return result;
  	      if (argumentList._wereKeywordsAccessed)
  	        return result;
  	      throw A.wrapException(A.MultiSpanSassRuntimeException$("No " + A.pluralize("parameter", evaluated._values[0].get$keys(0).get$length(0), null) + " named " + A.toSentence(evaluated._values[0].get$keys(0).map$1$1(0, new A._EvaluateVisitor__runBuiltInCallable_closure1(), type$.Object), "or") + ".", nodeWithSpan.get$span(nodeWithSpan), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_box_0.overload.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan)), null));
  	    },
  	    _evaluateArguments$1($arguments) {
  	      var t1, t2, _i, expression, nodeForSpan, named, namedNodes, t3, t4, $name, value, restArgs, rest, restNodeForSpan, t5, separator, keywordRestArgs, keywordRest, keywordRestNodeForSpan, _this = this,
  	        positional = A._setArrayType([], type$.JSArray_Value),
  	        positionalNodes = A._setArrayType([], type$.JSArray_AstNode);
  	      for (t1 = $arguments.positional, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        expression = t1[_i];
  	        nodeForSpan = _this._expressionNode$1(expression);
  	        positional.push(_this._withoutSlash$2(expression.accept$1(_this), nodeForSpan));
  	        positionalNodes.push(nodeForSpan);
  	      }
  	      t1 = type$.String;
  	      named = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value);
  	      t2 = type$.AstNode;
  	      namedNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      for (t3 = A.MapExtensions_get_pairs($arguments.named, t1, type$.Expression), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        $name = t4._0;
  	        value = t4._1;
  	        nodeForSpan = _this._expressionNode$1(value);
  	        named.$indexSet(0, $name, _this._withoutSlash$2(value.accept$1(_this), nodeForSpan));
  	        namedNodes.$indexSet(0, $name, nodeForSpan);
  	      }
  	      restArgs = $arguments.rest;
  	      if (restArgs == null)
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, B.ListSeparator_undecided_null_3_undecided]);
  	      rest = restArgs.accept$1(_this);
  	      restNodeForSpan = _this._expressionNode$1(restArgs);
  	      if (rest instanceof A.SassMap) {
  	        _this._addRestMap$4(named, rest, restArgs, new A._EvaluateVisitor__evaluateArguments_closure());
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t4 = rest._map$_contents, t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4), t5 = type$.SassString; t4.moveNext$0();)
  	          t3.$indexSet(0, t5._as(t4.get$current(t4))._string$_text, restNodeForSpan);
  	        namedNodes.addAll$1(0, t3);
  	        separator = B.ListSeparator_undecided_null_3_undecided;
  	      } else if (rest instanceof A.SassList) {
  	        t3 = rest._list$_contents;
  	        B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t3, new A._EvaluateVisitor__evaluateArguments_closure0(_this, restNodeForSpan), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,Value>")));
  	        B.JSArray_methods.addAll$1(positionalNodes, A.List_List$filled(t3.length, restNodeForSpan, false, t2));
  	        separator = rest._separator;
  	        if (rest instanceof A.SassArgumentList) {
  	          rest._wereKeywordsAccessed = true;
  	          rest._keywords.forEach$1(0, new A._EvaluateVisitor__evaluateArguments_closure1(_this, named, restNodeForSpan, namedNodes));
  	        }
  	      } else {
  	        positional.push(_this._withoutSlash$2(rest, restNodeForSpan));
  	        positionalNodes.push(restNodeForSpan);
  	        separator = B.ListSeparator_undecided_null_3_undecided;
  	      }
  	      keywordRestArgs = $arguments.keywordRest;
  	      if (keywordRestArgs == null)
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	      keywordRest = keywordRestArgs.accept$1(_this);
  	      keywordRestNodeForSpan = _this._expressionNode$1(keywordRestArgs);
  	      if (keywordRest instanceof A.SassMap) {
  	        _this._addRestMap$4(named, keywordRest, keywordRestArgs, new A._EvaluateVisitor__evaluateArguments_closure2());
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t2 = keywordRest._map$_contents, t2 = t2.get$keys(t2), t2 = t2.get$iterator(t2), t3 = type$.SassString; t2.moveNext$0();)
  	          t1.$indexSet(0, t3._as(t2.get$current(t2))._string$_text, keywordRestNodeForSpan);
  	        namedNodes.addAll$1(0, t1);
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	      } else
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs.get$span(keywordRestArgs)));
  	    },
  	    _evaluateMacroArguments$1(invocation) {
  	      var t2, positional, named, rest, restNodeForSpan, keywordRestArgs_, keywordRest, keywordRestNodeForSpan, _this = this,
  	        t1 = invocation.$arguments,
  	        restArgs_ = t1.rest;
  	      if (restArgs_ == null)
  	        return new A._Record_2(t1.positional, t1.named);
  	      t2 = t1.positional;
  	      positional = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	      named = A.LinkedHashMap_LinkedHashMap$of(t1.named, type$.String, type$.Expression);
  	      rest = restArgs_.accept$1(_this);
  	      restNodeForSpan = _this._expressionNode$1(restArgs_);
  	      if (rest instanceof A.SassMap)
  	        _this._addRestMap$4(named, rest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure(restArgs_));
  	      else if (rest instanceof A.SassList) {
  	        t2 = rest._list$_contents;
  	        B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t2, new A._EvaluateVisitor__evaluateMacroArguments_closure0(_this, restNodeForSpan, restArgs_), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Expression>")));
  	        if (rest instanceof A.SassArgumentList) {
  	          rest._wereKeywordsAccessed = true;
  	          rest._keywords.forEach$1(0, new A._EvaluateVisitor__evaluateMacroArguments_closure1(_this, named, restNodeForSpan, restArgs_));
  	        }
  	      } else
  	        positional.push(new A.ValueExpression(_this._withoutSlash$2(rest, restNodeForSpan), restArgs_.get$span(restArgs_)));
  	      keywordRestArgs_ = t1.keywordRest;
  	      if (keywordRestArgs_ == null)
  	        return new A._Record_2(positional, named);
  	      keywordRest = keywordRestArgs_.accept$1(_this);
  	      keywordRestNodeForSpan = _this._expressionNode$1(keywordRestArgs_);
  	      if (keywordRest instanceof A.SassMap) {
  	        _this._addRestMap$4(named, keywordRest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure2(_this, keywordRestNodeForSpan, keywordRestArgs_));
  	        return new A._Record_2(positional, named);
  	      } else
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs_.get$span(keywordRestArgs_)));
  	    },
  	    _addRestMap$1$4(values, map, nodeWithSpan, convert) {
  	      map._map$_contents.forEach$1(0, new A._EvaluateVisitor__addRestMap_closure(this, values, convert, this._expressionNode$1(nodeWithSpan), map, nodeWithSpan));
  	    },
  	    _addRestMap$4(values, map, nodeWithSpan, convert) {
  	      return this._addRestMap$1$4(values, map, nodeWithSpan, convert, type$.dynamic);
  	    },
  	    _verifyArguments$4(positional, named, parameters, nodeWithSpan) {
  	      return this._addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__verifyArguments_closure(parameters, positional, named));
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      var t1 = this._styleRuleIgnoringAtRoot;
  	      t1 = t1 == null ? null : t1.originalSelector.get$asSassList();
  	      return t1 == null ? B.C__SassNull : t1;
  	    },
  	    visitStringExpression$1(_, node) {
  	      var t1, t2, t3, _i, value, t4, _0_0, text, _this = this,
  	        oldInSupportsDeclaration = _this._inSupportsDeclaration;
  	      _this._inSupportsDeclaration = false;
  	      t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = node.text.contents, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        value = t2[_i];
  	        $label0$0: {
  	          if (typeof value == "string") {
  	            t4 = value;
  	            break $label0$0;
  	          }
  	          if (value instanceof A.Expression) {
  	            _0_0 = value.accept$1(_this);
  	            $label1$1: {
  	              if (_0_0 instanceof A.SassString) {
  	                text = _0_0._string$_text;
  	                t4 = text;
  	                break $label1$1;
  	              }
  	              t4 = _this._evaluate$_serialize$3$quote(_0_0, value, false);
  	              break $label1$1;
  	            }
  	            break $label0$0;
  	          }
  	          t4 = A.throwExpression(A.UnsupportedError$("Unknown interpolation value " + A.S(value)));
  	        }
  	        t1.push(t4);
  	      }
  	      t1 = B.JSArray_methods.join$0(t1);
  	      _this._inSupportsDeclaration = oldInSupportsDeclaration;
  	      return new A.SassString(t1, node.hasQuotes);
  	    },
  	    visitSupportsExpression$1(_, expression) {
  	      return new A.SassString(this._visitSupportsCondition$1(expression.condition), false);
  	    },
  	    visitCssAtRule$1(node) {
  	      var wasInKeyframes, wasInUnknownAtRule, t1, rule, _this = this;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.At_rul, node.span));
  	      if (node.isChildless) {
  	        _this._copyParentAfterSibling$0();
  	        _this._assertInModule$2(_this.__parent, "__parent").addChild$1(A.ModifiableCssAtRule$(node.name, node.span, true, node.value));
  	        return;
  	      }
  	      wasInKeyframes = _this._inKeyframes;
  	      wasInUnknownAtRule = _this._inUnknownAtRule;
  	      t1 = node.name;
  	      if (A.unvendor(t1.value) === "keyframes")
  	        _this._inKeyframes = true;
  	      else
  	        _this._inUnknownAtRule = true;
  	      rule = A.ModifiableCssAtRule$(t1, node.span, false, node.value);
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssAtRule_closure(_this, node), false, type$.ModifiableCssAtRule, type$.Null);
  	        _this._inUnknownAtRule = wasInUnknownAtRule;
  	        _this._inKeyframes = wasInKeyframes;
  	        return;
  	      }
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssAtRule_closure0(_this, node), false, new A._EvaluateVisitor_visitCssAtRule_closure1(), type$.ModifiableCssAtRule, type$.Null);
  	      _this._inUnknownAtRule = wasInUnknownAtRule;
  	      _this._inKeyframes = wasInKeyframes;
  	    },
  	    visitCssComment$1(node) {
  	      var _this = this,
  	        _s8_ = "__parent",
  	        _s13_ = "_endOfImports";
  	      if (_this._assertInModule$2(_this.__parent, _s8_) === _this._assertInModule$2(_this.__root, "_root") && _this._assertInModule$2(_this.__endOfImports, _s13_) === J.get$length$asx(_this._assertInModule$2(_this.__root, "_root").children._collection$_source))
  	        _this.__endOfImports = _this._assertInModule$2(_this.__endOfImports, _s13_) + 1;
  	      _this._copyParentAfterSibling$0();
  	      _this._assertInModule$2(_this.__parent, _s8_).addChild$1(new A.ModifiableCssComment(node.text, node.span));
  	    },
  	    visitCssDeclaration$1(node) {
  	      this._copyParentAfterSibling$0();
  	      this._assertInModule$2(this.__parent, "__parent").addChild$1(A.ModifiableCssDeclaration$(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap));
  	    },
  	    visitCssImport$1(node) {
  	      var t1, _this = this,
  	        _s8_ = "__parent",
  	        _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        modifiableNode = new A.ModifiableCssImport(node.url, node.modifiers, node.span);
  	      if (_this._assertInModule$2(_this.__parent, _s8_) !== _this._assertInModule$2(_this.__root, _s5_)) {
  	        _this._copyParentAfterSibling$0();
  	        _this._assertInModule$2(_this.__parent, _s8_).addChild$1(modifiableNode);
  	      } else if (_this._assertInModule$2(_this.__endOfImports, _s13_) === J.get$length$asx(_this._assertInModule$2(_this.__root, _s5_).children._collection$_source)) {
  	        _this._assertInModule$2(_this.__root, _s5_).addChild$1(modifiableNode);
  	        _this.__endOfImports = _this._assertInModule$2(_this.__endOfImports, _s13_) + 1;
  	      } else {
  	        t1 = _this._outOfOrderImports;
  	        (t1 == null ? _this._outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport) : t1).push(modifiableNode);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      this._withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$(node.selector, node.span), new A._EvaluateVisitor_visitCssKeyframeBlock_closure(this, node), false, new A._EvaluateVisitor_visitCssKeyframeBlock_closure0(), type$.ModifiableCssKeyframeBlock, type$.Null);
  	    },
  	    visitCssMediaRule$1(node) {
  	      var mergedQueries, t1, mergedSources, t2, t3, _this = this;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Media_, node.span));
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$(node.queries, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure(_this, node), false, type$.ModifiableCssMediaRule, type$.Null);
  	        return;
  	      }
  	      mergedQueries = A.NullableExtension_andThen(_this._mediaQueries, new A._EvaluateVisitor_visitCssMediaRule_closure0(_this, node));
  	      t1 = mergedQueries == null;
  	      if (!t1 && J.get$isEmpty$asx(mergedQueries))
  	        return;
  	      if (t1)
  	        mergedSources = B.Set_empty2;
  	      else {
  	        t2 = _this._mediaQuerySources;
  	        t2.toString;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery);
  	        t3 = _this._mediaQueries;
  	        t3.toString;
  	        t2.addAll$1(0, t3);
  	        t2.addAll$1(0, node.queries);
  	        mergedSources = t2;
  	      }
  	      t1 = t1 ? node.queries : mergedQueries;
  	      _this._withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$(t1, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure1(_this, mergedQueries, node, mergedSources), false, new A._EvaluateVisitor_visitCssMediaRule_closure2(mergedSources), type$.ModifiableCssMediaRule, type$.Null);
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1, styleRule, _0_0, t2, t3, originalSelector, rule, oldAtRootExcludingStyleRule, _1_1, lastChild, _this = this, _null = null,
  	        _s8_ = "__parent";
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Style_n, node.span));
  	      else if (_this._inKeyframes && _this._assertInModule$2(_this.__parent, _s8_) instanceof A.ModifiableCssKeyframeBlock)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Style_k, node.span));
  	      t1 = _this._atRootExcludingStyleRule;
  	      styleRule = t1 ? _null : _this._styleRuleIgnoringAtRoot;
  	      _0_0 = t1 ? _null : _this._styleRuleIgnoringAtRoot;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (_0_0.fromPlainCss) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = !(node.fromPlainCss && node._style_rule$_selector._box$_inner.value.accept$1(B.C__ContainsParentSelectorVisitor));
  	        break $label0$0;
  	      }
  	      t2 = node._style_rule$_selector._box$_inner;
  	      if (t1) {
  	        t2 = t2.value;
  	        t3 = styleRule == null ? _null : styleRule.originalSelector;
  	        originalSelector = t2.nestWithin$3$implicitParent$preserveParentSelectors(t3, !_this._atRootExcludingStyleRule, node.fromPlainCss);
  	      } else
  	        originalSelector = t2.value;
  	      rule = A.ModifiableCssStyleRule$(_this._assertInModule$2(_this.__extensionStore, "_extensionStore").addSelector$2(originalSelector, _this._mediaQueries), node.span, node.fromPlainCss, originalSelector);
  	      oldAtRootExcludingStyleRule = _this._atRootExcludingStyleRule;
  	      _this._atRootExcludingStyleRule = false;
  	      t1 = t1 ? new A._EvaluateVisitor_visitCssStyleRule_closure() : _null;
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssStyleRule_closure0(_this, rule, node), false, t1, type$.ModifiableCssStyleRule, type$.Null);
  	      _this._atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	      t1 = _this._assertInModule$2(_this.__parent, _s8_).children._collection$_source;
  	      t2 = J.getInterceptor$asx(t1);
  	      _1_1 = t2.get$length(t1);
  	      if (_1_1 >= 1) {
  	        lastChild = t2.elementAt$1(t1, _1_1 - 1);
  	        t1 = styleRule == null;
  	      } else {
  	        lastChild = _null;
  	        t1 = false;
  	      }
  	      if (t1)
  	        lastChild.isGroupEnd = true;
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1;
  	      for (t1 = J.get$iterator$ax(node.get$children(node)); t1.moveNext$0();)
  	        t1.get$current(t1).accept$1(this);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var rule, _this = this;
  	      if (_this._declarationName != null)
  	        throw A.wrapException(_this._evaluate$_exception$2(string$.Suppor, node.span));
  	      rule = A.ModifiableCssSupportsRule$(node.condition, node.span);
  	      if (_this.get$_hasCssNesting()) {
  	        _this._withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure(_this, node), false, type$.ModifiableCssSupportsRule, type$.Null);
  	        return;
  	      }
  	      _this._withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure0(_this, node), false, new A._EvaluateVisitor_visitCssSupportsRule_closure1(), type$.ModifiableCssSupportsRule, type$.Null);
  	    },
  	    _handleReturn$1$2(list, callback) {
  	      var t1, _i, _0_0;
  	      for (t1 = list.length, _i = 0; _i < list.length; list.length === t1 || (0, A.throwConcurrentModificationError)(list), ++_i) {
  	        _0_0 = callback.call$1(list[_i]);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    _handleReturn$2(list, callback) {
  	      return this._handleReturn$1$2(list, callback, type$.dynamic);
  	    },
  	    _withEnvironment$1$2(environment, callback) {
  	      var result,
  	        oldEnvironment = this._environment;
  	      this._environment = environment;
  	      result = callback.call$0();
  	      this._environment = oldEnvironment;
  	      return result;
  	    },
  	    _withEnvironment$2(environment, callback) {
  	      return this._withEnvironment$1$2(environment, callback, type$.dynamic);
  	    },
  	    _interpolationToValue$3$trim$warnForColor(interpolation, trim, warnForColor) {
  	      var result = this._performInterpolation$2$warnForColor(interpolation, warnForColor),
  	        t1 = trim ? A.trimAscii(result, true) : result;
  	      return new A.CssValue(t1, interpolation.span, type$.CssValue_String);
  	    },
  	    _interpolationToValue$1(interpolation) {
  	      return this._interpolationToValue$3$trim$warnForColor(interpolation, false, false);
  	    },
  	    _interpolationToValue$2$warnForColor(interpolation, warnForColor) {
  	      return this._interpolationToValue$3$trim$warnForColor(interpolation, false, warnForColor);
  	    },
  	    _performInterpolation$2$warnForColor(interpolation, warnForColor) {
  	      return this._performInterpolationHelper$3$sourceMap$warnForColor(interpolation, false, warnForColor)._0;
  	    },
  	    _performInterpolation$1(interpolation) {
  	      return this._performInterpolation$2$warnForColor(interpolation, false);
  	    },
  	    _performInterpolationWithMap$2$warnForColor(interpolation, warnForColor) {
  	      var _0_0 = this._performInterpolationHelper$3$sourceMap$warnForColor(interpolation, true, true),
  	        map = _0_0._1;
  	      map.toString;
  	      return new A._Record_2(_0_0._0, map);
  	    },
  	    _performInterpolationHelper$3$sourceMap$warnForColor(interpolation, sourceMap, warnForColor) {
  	      var t1, t2, t3, t4, t5, t6, first, _i, t7, value, result, result0, t8, _this = this,
  	        targetOffsets = sourceMap ? A._setArrayType([], type$.JSArray_int) : null,
  	        oldInSupportsDeclaration = _this._inSupportsDeclaration;
  	      _this._inSupportsDeclaration = false;
  	      for (t1 = interpolation.contents, t2 = t1.length, t3 = type$.Expression, t4 = targetOffsets == null, t5 = interpolation.span, t6 = type$.Object, first = true, _i = 0, t7 = ""; _i < t2; ++_i, first = false) {
  	        value = t1[_i];
  	        if (!first)
  	          if (!t4)
  	            targetOffsets.push(t7.length);
  	        if (typeof value == "string") {
  	          t7 += value;
  	          continue;
  	        }
  	        t3._as(value);
  	        result = value.accept$1(_this);
  	        if (warnForColor && $.$get$namesByColor().containsKey$1(result)) {
  	          result0 = A.List_List$from([""], false, t6);
  	          result0.$flags = 3;
  	          t8 = $.$get$namesByColor();
  	          _this._warn$2(string$.You_pr + A.S(t8.$index(0, result)) + string$.x20in_in + result.toString$0(0) + string$.x2c_whicw + A.S(t8.$index(0, result)) + string$.x22x29__If + new A.BinaryOperationExpression(B.BinaryOperator_jCK, new A.StringExpression(new A.Interpolation(result0, B.List_null, t5), true), value, false).toString$0(0) + "'.", value.get$span(value));
  	        }
  	        t7 += _this._evaluate$_serialize$3$quote(result, value, false);
  	      }
  	      _this._inSupportsDeclaration = oldInSupportsDeclaration;
  	      return new A._Record_2(t7.charCodeAt(0) == 0 ? t7 : t7, A.NullableExtension_andThen(targetOffsets, new A._EvaluateVisitor__performInterpolationHelper_closure(interpolation)));
  	    },
  	    _evaluate$_serialize$3$quote(value, nodeWithSpan, quote) {
  	      return this._addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__serialize_closure(value, quote));
  	    },
  	    _evaluate$_serialize$2(value, nodeWithSpan) {
  	      return this._evaluate$_serialize$3$quote(value, nodeWithSpan, true);
  	    },
  	    _expressionNode$1(expression) {
  	      var t1;
  	      if (expression instanceof A.VariableExpression) {
  	        t1 = this._addExceptionSpan$2(expression, new A._EvaluateVisitor__expressionNode_closure(this, expression));
  	        return t1 == null ? expression : t1;
  	      } else
  	        return expression;
  	    },
  	    _withParent$2$4$scopeWhen$through(node, callback, scopeWhen, through, $S, $T) {
  	      var oldParent, result, _this = this;
  	      _this._addChild$2$through(node, through);
  	      oldParent = _this._assertInModule$2(_this.__parent, "__parent");
  	      _this.__parent = node;
  	      result = _this._environment.scope$1$2$when(callback, scopeWhen, $T);
  	      _this.__parent = oldParent;
  	      return result;
  	    },
  	    _withParent$2$3$scopeWhen(node, callback, scopeWhen, $S, $T) {
  	      return this._withParent$2$4$scopeWhen$through(node, callback, scopeWhen, null, $S, $T);
  	    },
  	    _withParent$2$2(node, callback, $S, $T) {
  	      return this._withParent$2$4$scopeWhen$through(node, callback, true, null, $S, $T);
  	    },
  	    _copyParentAfterSibling$0() {
  	      var t1, grandparent, newParent, _this = this,
  	        _s8_ = "__parent",
  	        _0_0 = _this._assertInModule$2(_this.__parent, _s8_)._parent;
  	      if (_0_0 != null) {
  	        t1 = _0_0.children;
  	        t1 = t1.get$last(t1) !== _this._assertInModule$2(_this.__parent, _s8_);
  	        grandparent = _0_0;
  	      } else {
  	        grandparent = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        newParent = _this._assertInModule$2(_this.__parent, _s8_).copyWithoutChildren$0();
  	        grandparent.addChild$1(newParent);
  	        _this.__parent = newParent;
  	      }
  	    },
  	    _addChild$2$through(node, through) {
  	      var _0_0, grandparent, t1,
  	        $parent = this._assertInModule$2(this.__parent, "__parent");
  	      if (through != null) {
  	        for (; through.call$1($parent); $parent = _0_0) {
  	          _0_0 = $parent._parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$(string$.throug + node.toString$0(0) + ".", null));
  	        }
  	        if ($parent.get$hasFollowingSibling()) {
  	          grandparent = $parent._parent;
  	          t1 = grandparent.children;
  	          if ($parent.equalsIgnoringChildren$1(t1.get$last(t1)))
  	            $parent = type$.ModifiableCssParentNode._as(t1.get$last(t1));
  	          else {
  	            $parent = $parent.copyWithoutChildren$0();
  	            grandparent.addChild$1($parent);
  	          }
  	        }
  	      }
  	      $parent.addChild$1(node);
  	    },
  	    _addChild$1(node) {
  	      return this._addChild$2$through(node, null);
  	    },
  	    _withStyleRule$1$2(rule, callback) {
  	      var result,
  	        oldRule = this._styleRuleIgnoringAtRoot;
  	      this._styleRuleIgnoringAtRoot = rule;
  	      result = callback.call$0();
  	      this._styleRuleIgnoringAtRoot = oldRule;
  	      return result;
  	    },
  	    _withStyleRule$2(rule, callback) {
  	      return this._withStyleRule$1$2(rule, callback, type$.dynamic);
  	    },
  	    _withMediaQueries$1$3(queries, sources, callback) {
  	      var result, _this = this,
  	        oldMediaQueries = _this._mediaQueries,
  	        oldSources = _this._mediaQuerySources;
  	      _this._mediaQueries = queries;
  	      _this._mediaQuerySources = sources;
  	      result = callback.call$0();
  	      _this._mediaQueries = oldMediaQueries;
  	      _this._mediaQuerySources = oldSources;
  	      return result;
  	    },
  	    _withMediaQueries$3(queries, sources, callback) {
  	      return this._withMediaQueries$1$3(queries, sources, callback, type$.dynamic);
  	    },
  	    _withStackFrame$1$3(member, nodeWithSpan, callback) {
  	      var oldMember, result, _this = this,
  	        t1 = _this._stack;
  	      t1.push(new A._Record_2(_this._member, nodeWithSpan));
  	      oldMember = _this._member;
  	      _this._member = member;
  	      result = callback.call$0();
  	      _this._member = oldMember;
  	      t1.pop();
  	      return result;
  	    },
  	    _withStackFrame$3(member, nodeWithSpan, callback) {
  	      return this._withStackFrame$1$3(member, nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _withoutSlash$2(value, nodeForSpan) {
  	      var t1;
  	      if (value instanceof A.SassNumber)
  	        t1 = value.asSlash != null;
  	      else
  	        t1 = false;
  	      if (t1)
  	        this._warn$3(string$.Using__i + A.S(new A._EvaluateVisitor__withoutSlash_recommendation().call$1(value)) + string$.x0a_Morex20, nodeForSpan.get$span(nodeForSpan), B.Deprecation_qZ1);
  	      return value.withoutSlash$0();
  	    },
  	    _stackFrame$2(member, span) {
  	      return A.frameForSpan(span, member, A.NullableExtension_andThen(span.get$sourceUrl(span), new A._EvaluateVisitor__stackFrame_closure(this)));
  	    },
  	    _evaluate$_stackTrace$1(span) {
  	      var t2, t3, _i, t4, nodeWithSpan, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Frame);
  	      for (t2 = _this._stack, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = t2[_i];
  	        nodeWithSpan = t4._1;
  	        t1.push(_this._stackFrame$2(t4._0, nodeWithSpan.get$span(nodeWithSpan)));
  	      }
  	      if (span != null)
  	        t1.push(_this._stackFrame$2(_this._member, span));
  	      return A.Trace$(new A.ReversedListIterable(t1, type$.ReversedListIterable_Frame), null);
  	    },
  	    _evaluate$_stackTrace$0() {
  	      return this._evaluate$_stackTrace$1(null);
  	    },
  	    _warn$3(message, span, deprecation) {
  	      var trace, t1, _this = this;
  	      if (_this._quietDeps && _this._inDependency)
  	        return;
  	      if (!_this._warningsEmitted.add$1(0, new A._Record_2(message, span)))
  	        return;
  	      trace = _this._evaluate$_stackTrace$1(span);
  	      t1 = _this._logger;
  	      if (deprecation == null)
  	        t1.internalWarn$4$deprecation$span$trace(message, null, span, trace);
  	      else
  	        A.WarnForDeprecation_warnForDeprecation(t1, deprecation, message, span, trace);
  	    },
  	    _warn$2(message, span) {
  	      return this._warn$3(message, span, null);
  	    },
  	    _evaluate$_exception$2(message, span) {
  	      var t1, t2;
  	      if (span == null) {
  	        t1 = B.JSArray_methods.get$last(this._stack)._1;
  	        t1 = t1.get$span(t1);
  	      } else
  	        t1 = span;
  	      t2 = this._evaluate$_stackTrace$1(span);
  	      return new A.SassRuntimeException(t2, B.Set_empty, message, t1);
  	    },
  	    _evaluate$_exception$1(message) {
  	      return this._evaluate$_exception$2(message, null);
  	    },
  	    _multiSpanException$3(message, primaryLabel, secondaryLabels) {
  	      var t1 = B.JSArray_methods.get$last(this._stack)._1;
  	      return A.MultiSpanSassRuntimeException$(message, t1.get$span(t1), primaryLabel, secondaryLabels, this._evaluate$_stackTrace$0(), null);
  	    },
  	    _addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	          A.throwWithTrace(t1.withTrace$1(this._evaluate$_stackTrace$1(addStackFrame ? nodeWithSpan.get$span(nodeWithSpan) : null)), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _addExceptionSpan$2(nodeWithSpan, callback) {
  	      return this._addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, true, type$.dynamic);
  	    },
  	    _addExceptionSpan$3$addStackFrame(nodeWithSpan, callback, addStackFrame) {
  	      return this._addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame, type$.dynamic);
  	    },
  	    _addExceptionTrace$1$1(callback) {
  	      var error, stackTrace, t1, t2;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassRuntimeException._is(t1))
  	          throw exception;
  	        else if (t1 instanceof A.SassException) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error;
  	          t2 = J.getInterceptor$x(t1);
  	          A.throwWithTrace(error.withTrace$1(this._evaluate$_stackTrace$1(A.SourceSpanException.prototype.get$span.call(t2, t1))), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _addExceptionTrace$1(callback) {
  	      return this._addExceptionTrace$1$1(callback, type$.dynamic);
  	    },
  	    _addErrorSpan$1$2(nodeWithSpan, callback) {
  	      var error, stackTrace, t1, t2, t3;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassRuntimeException._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          if (!B.JSString_methods.startsWith$1(J.get$span$x(error).get$text(), "@error"))
  	            throw exception;
  	          t1 = error._span_exception$_message;
  	          t2 = nodeWithSpan.get$span(nodeWithSpan);
  	          t3 = this._evaluate$_stackTrace$0();
  	          A.throwWithTrace(new A.SassRuntimeException(t3, B.Set_empty, t1, t2), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _addErrorSpan$2(nodeWithSpan, callback) {
  	      return this._addErrorSpan$1$2(nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _getErrorMessage$1(error) {
  	      var t1;
  	      if (type$.Error._is(error))
  	        return error.toString$0(0);
  	      try {
  	        t1 = A._asString(J.get$message$x(error));
  	        return t1;
  	      } catch (exception) {
  	        t1 = J.toString$0$(error);
  	        return t1;
  	      }
  	    }
  	  };
  	  A._EvaluateVisitor_closure.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string$_text, "_", "-");
  	      return t1.globalVariableExists$2$namespace(t2, module == null ? null : module._string$_text) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure0.prototype = {
  	    call$1($arguments) {
  	      var variable = J.$index$asx($arguments, 0).assertString$1("name"),
  	        t1 = this.$this._environment;
  	      return t1.getVariable$1(A.stringReplaceAllUnchecked(variable._string$_text, "_", "-")) != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure1.prototype = {
  	    call$1($arguments) {
  	      var module, t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._environment;
  	      t3 = variable._string$_text;
  	      t4 = A.stringReplaceAllUnchecked(t3, "_", "-");
  	      return t2.getFunction$2$namespace(t4, module == null ? null : module._string$_text) != null || t1._builtInFunctions.containsKey$1(t3) ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure2.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string$_text, "_", "-");
  	      return t1.getMixin$2$namespace(t2, module == null ? null : module._string$_text) != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure3.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.$this._environment;
  	      if (!t1._inMixin)
  	        throw A.wrapException(A.SassScriptException$(string$.conten, null));
  	      return t1._content != null ? B.SassBoolean_true : B.SassBoolean_false;
  	    },
  	    $signature: 11
  	  };
  	  A._EvaluateVisitor_closure4.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = this.$this._environment._environment$_modules.$index(0, t1);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t1 + '".');
  	      t1 = type$.Value;
  	      t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t3 = A.MapExtensions_get_pairs(module.get$variables(), type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        t2.$indexSet(0, new A.SassString(t4._0, true), t4._1);
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure5.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = t1._environment._environment$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs(module.get$functions(module), type$.String, type$.Callable), t4 = t4.get$iterator(t4), t1 = t1._compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString(t5._0, true), new A.SassFunction(t5._1, t1));
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure6.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string$_text,
  	        module = t1._environment._environment$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs(module.get$mixins(), type$.String, type$.Callable), t4 = t4.get$iterator(t4), t1 = t1._compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString(t5._0, true), new A.SassMixin(t5._1, t1));
  	      }
  	      return new A.SassMap(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 38
  	  };
  	  A._EvaluateVisitor_closure7.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name"),
  	        css = t1.$index($arguments, 1).get$isTruthy();
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      if (css) {
  	        if (module != null)
  	          throw A.wrapException(string$.x24css_a);
  	        return new A.SassFunction(new A.PlainCssCallable($name._string$_text), this.$this._compileContext);
  	      }
  	      t1 = this.$this;
  	      t2 = t1._callableNode;
  	      t2.toString;
  	      callable = t1._addExceptionSpan$2(t2, new A._EvaluateVisitor__closure2(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Function not found: " + $name.toString$0(0));
  	      return new A.SassFunction(callable, t1._compileContext);
  	    },
  	    $signature: 167
  	  };
  	  A._EvaluateVisitor__closure2.prototype = {
  	    call$0() {
  	      var local,
  	        normalizedName = A.stringReplaceAllUnchecked(this.name._string$_text, "_", "-"),
  	        t1 = this.module,
  	        namespace = t1 == null ? null : t1._string$_text;
  	      t1 = this.$this;
  	      local = t1._environment.getFunction$2$namespace(normalizedName, namespace);
  	      if (local != null || namespace != null)
  	        return local;
  	      return t1._builtInFunctions.$index(0, normalizedName);
  	    },
  	    $signature: 113
  	  };
  	  A._EvaluateVisitor_closure8.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._callableNode;
  	      t2.toString;
  	      callable = t1._addExceptionSpan$2(t2, new A._EvaluateVisitor__closure1(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Mixin not found: " + $name.toString$0(0));
  	      return new A.SassMixin(callable, t1._compileContext);
  	    },
  	    $signature: 168
  	  };
  	  A._EvaluateVisitor__closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this._environment,
  	        t2 = A.stringReplaceAllUnchecked(this.name._string$_text, "_", "-"),
  	        t3 = this.module;
  	      return t1.getMixin$2$namespace(t2, t3 == null ? null : t3._string$_text);
  	    },
  	    $signature: 113
  	  };
  	  A._EvaluateVisitor_closure9.prototype = {
  	    call$1($arguments) {
  	      var callableNode, t2, t3, t4, t5, t6, t7, invocation, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $function = t1.$index($arguments, 0),
  	        args = type$.SassArgumentList._as(t1.$index($arguments, 1));
  	      t1 = this.$this;
  	      callableNode = t1._callableNode;
  	      t2 = callableNode.get$span(callableNode);
  	      t3 = callableNode.get$span(callableNode);
  	      args._wereKeywordsAccessed = true;
  	      t4 = args._keywords;
  	      if (t4.get$isEmpty(t4))
  	        t4 = null;
  	      else {
  	        t5 = type$.Value;
  	        t6 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t5);
  	        for (args._wereKeywordsAccessed = true, t4 = A.MapExtensions_get_pairs(t4, type$.String, t5), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	          t7 = t4.get$current(t4);
  	          t6.$indexSet(0, new A.SassString(t7._0, false), t7._1);
  	        }
  	        t4 = new A.ValueExpression(new A.SassMap(A.ConstantMap_ConstantMap$from(t6, t5, t5)), callableNode.get$span(callableNode));
  	      }
  	      invocation = A.ArgumentList$(B.List_empty9, B.Map_empty4, B.Map_empty5, t2, t4, new A.ValueExpression(args, t3));
  	      if ($function instanceof A.SassString) {
  	        A.warnForDeprecation(string$.Passina + $function.toString$0(0) + "))", B.Deprecation_c4i);
  	        callableNode = t1._callableNode;
  	        t2 = $function._string$_text;
  	        t3 = callableNode.get$span(callableNode);
  	        return t1.visitFunctionExpression$1(0, new A.FunctionExpression(null, A.stringReplaceAllUnchecked(t2, "_", "-"), t2, invocation, t3));
  	      }
  	      callable = $function.assertFunction$1("function").assertCompileContext$1(t1._compileContext).callable;
  	      if (type$.Callable._is(callable)) {
  	        t2 = t1._callableNode;
  	        t2.toString;
  	        return t1._runFunctionCallable$3(invocation, callable, t2);
  	      } else
  	        throw A.wrapException(A.SassScriptException$("The function " + callable.get$name(callable) + string$.x20is_as, null));
  	    },
  	    $signature: 5
  	  };
  	  A._EvaluateVisitor_closure10.prototype = {
  	    call$1($arguments) {
  	      var withMap, t2, t3, values, span, configuration,
  	        t1 = J.getInterceptor$asx($arguments),
  	        url = A.Uri_parse(t1.$index($arguments, 0).assertString$1("url")._string$_text);
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      withMap = t1 == null ? null : t1.assertMap$1("with")._map$_contents;
  	      t1 = this.$this;
  	      t2 = t1._callableNode;
  	      t2.toString;
  	      if (withMap != null) {
  	        t3 = {};
  	        values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue);
  	        span = t2.get$span(t2);
  	        t3.privateDeprecation = false;
  	        withMap.forEach$1(0, new A._EvaluateVisitor__closure(t3, values, span, t2));
  	        configuration = new A.ExplicitConfiguration(t2, values, null);
  	      } else
  	        configuration = B.Configuration_Map_empty_null;
  	      t3 = t2.get$span(t2);
  	      t1._loadModule$7$baseUrl$configuration$namesInErrors(url, "load-css()", t2, new A._EvaluateVisitor__closure0(t1), t3.get$sourceUrl(t3), configuration, true);
  	      t1._assertConfigurationIsEmpty$2$nameInError(configuration, true);
  	    },
  	    $signature: 191
  	  };
  	  A._EvaluateVisitor__closure.prototype = {
  	    call$2(variable, value) {
  	      var _this = this,
  	        t1 = variable.assertString$1("with key"),
  	        $name = A.stringReplaceAllUnchecked(t1._string$_text, "_", "-");
  	      t1 = _this.values;
  	      if (t1.containsKey$1($name))
  	        throw A.wrapException("The variable $" + $name + " was configured twice.");
  	      else if (B.JSString_methods.startsWith$1($name, "-") && !_this._box_0.privateDeprecation) {
  	        _this._box_0.privateDeprecation = true;
  	        A.warnForDeprecation("Configuring private variables (such as $" + $name + string$.x29x20is_dT, B.Deprecation_mXO);
  	      }
  	      t1.$indexSet(0, $name, new A.ConfiguredValue(value, _this.span, _this.callableNode));
  	    },
  	    $signature: 99
  	  };
  	  A._EvaluateVisitor__closure0.prototype = {
  	    call$2(module, _) {
  	      var t1 = this.$this;
  	      return t1._combineCss$2$clone(module, true).accept$1(t1);
  	    },
  	    $signature: 114
  	  };
  	  A._EvaluateVisitor_closure11.prototype = {
  	    call$1($arguments) {
  	      var callableNode, invocation, callable, $content,
  	        t1 = J.getInterceptor$asx($arguments),
  	        mixin = t1.$index($arguments, 0),
  	        args = type$.SassArgumentList._as(t1.$index($arguments, 1));
  	      t1 = this.$this;
  	      callableNode = t1._callableNode;
  	      invocation = A.ArgumentList$(B.List_empty9, B.Map_empty4, B.Map_empty5, callableNode.get$span(callableNode), null, new A.ValueExpression(args, callableNode.get$span(callableNode)));
  	      callable = mixin.assertMixin$1("mixin").assertCompileContext$1(t1._compileContext).callable;
  	      $content = t1._environment._content;
  	      if (type$.Callable._is(callable))
  	        t1._applyMixin$5(callable, $content, invocation, callableNode, callableNode);
  	      else
  	        throw A.wrapException(A.SassScriptException$("The mixin " + callable.get$name(callable) + string$.x20is_as, null));
  	    },
  	    $signature: 191
  	  };
  	  A._EvaluateVisitor_run_closure.prototype = {
  	    call$0() {
  	      var module, _this = this,
  	        t1 = _this.node,
  	        t2 = t1.span,
  	        _0_0 = t2.get$sourceUrl(t2),
  	        url = null;
  	      if (_0_0 != null) {
  	        url = _0_0;
  	        t2 = _this.$this;
  	        t2._activeModules.$indexSet(0, url, null);
  	        t2._loadedUrls.add$1(0, url);
  	      }
  	      t2 = _this.$this;
  	      module = t2._addExceptionTrace$1(new A._EvaluateVisitor_run__closure(t2, _this.importer, t1));
  	      return new A._Record_2_loadedUrls_stylesheet(t2._loadedUrls, t2._combineCss$1(module));
  	    },
  	    $signature: 589
  	  };
  	  A._EvaluateVisitor_run__closure.prototype = {
  	    call$0() {
  	      return this.$this._execute$2(this.importer, this.node);
  	    },
  	    $signature: 601
  	  };
  	  A._EvaluateVisitor_runExpression_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.expression;
  	      return t1._withFakeStylesheet$3(this.importer, t2, new A._EvaluateVisitor_runExpression__closure(t1, t2));
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_runExpression__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._addExceptionTrace$1(new A._EvaluateVisitor_runExpression___closure(t1, this.expression));
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_runExpression___closure.prototype = {
  	    call$0() {
  	      return this.expression.accept$1(this.$this);
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_runStatement_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.statement;
  	      return t1._withFakeStylesheet$3(this.importer, t2, new A._EvaluateVisitor_runStatement__closure(t1, t2));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_runStatement__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._addExceptionTrace$1(new A._EvaluateVisitor_runStatement___closure(t1, this.statement));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_runStatement___closure.prototype = {
  	    call$0() {
  	      return this.statement.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__loadModule_closure.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_0.builtInModule, false);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__loadModule_closure0.prototype = {
  	    call$0() {
  	      var canonicalUrl, oldInDependency, t4, message, _this = this, t1 = {}, stylesheet = null, importer = null,
  	        t2 = _this.$this,
  	        t3 = _this.nodeWithSpan,
  	        _1_0 = t2._loadStylesheet$3$baseUrl(_this.url.toString$0(0), t3.get$span(t3), _this.baseUrl);
  	      stylesheet = _1_0._0;
  	      importer = _1_0._1;
  	      t4 = stylesheet.span;
  	      canonicalUrl = t4.get$sourceUrl(t4);
  	      if (canonicalUrl != null) {
  	        t4 = t2._activeModules;
  	        if (t4.containsKey$1(canonicalUrl)) {
  	          message = _this.namesInErrors ? "Module loop: " + $.$get$context().prettyUri$1(canonicalUrl) + " is already being loaded." : string$.Modulel;
  	          t1 = A.NullableExtension_andThen(t4.$index(0, canonicalUrl), new A._EvaluateVisitor__loadModule__closure(t2, message));
  	          throw A.wrapException(t1 == null ? t2._evaluate$_exception$1(message) : t1);
  	        } else
  	          t4.$indexSet(0, canonicalUrl, t3);
  	      }
  	      t4 = t2._modules.containsKey$1(canonicalUrl);
  	      oldInDependency = t2._inDependency;
  	      t2._inDependency = _1_0._2;
  	      t1.module = null;
  	      try {
  	        t1.module = t2._execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, _this.configuration, _this.namesInErrors, t3);
  	      } finally {
  	        t2._activeModules.remove$1(0, canonicalUrl);
  	        t2._inDependency = oldInDependency;
  	      }
  	      t2._addExceptionSpan$3$addStackFrame(t3, new A._EvaluateVisitor__loadModule__closure0(t1, _this.callback, !t4), false);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__loadModule__closure.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._multiSpanException$3(this.message, "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 111
  	  };
  	  A._EvaluateVisitor__loadModule__closure0.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_1.module, this.firstLoad);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__execute_closure.prototype = {
  	    call$0() {
  	      var t3, t4, t5, t6, _this = this,
  	        t1 = _this.$this,
  	        oldImporter = t1._importer,
  	        oldStylesheet = t1.__stylesheet,
  	        oldRoot = t1.__root,
  	        oldPreModuleComments = t1._preModuleComments,
  	        oldParent = t1.__parent,
  	        oldEndOfImports = t1.__endOfImports,
  	        oldOutOfOrderImports = t1._outOfOrderImports,
  	        oldExtensionStore = t1.__extensionStore,
  	        t2 = t1._atRootExcludingStyleRule,
  	        oldStyleRule = t2 ? null : t1._styleRuleIgnoringAtRoot,
  	        oldMediaQueries = t1._mediaQueries,
  	        oldDeclarationName = t1._declarationName,
  	        oldInUnknownAtRule = t1._inUnknownAtRule,
  	        oldInKeyframes = t1._inKeyframes,
  	        oldConfiguration = t1._configuration;
  	      t1._importer = _this.importer;
  	      t3 = t1.__stylesheet = _this.stylesheet;
  	      t4 = t3.span;
  	      t5 = t1.__parent = t1.__root = A.ModifiableCssStylesheet$(t4);
  	      t1.__endOfImports = 0;
  	      t1._outOfOrderImports = null;
  	      t1.__extensionStore = _this.extensionStore;
  	      t1._declarationName = t1._mediaQueries = t1._styleRuleIgnoringAtRoot = null;
  	      t1._inKeyframes = t1._atRootExcludingStyleRule = t1._inUnknownAtRule = false;
  	      t6 = _this.configuration;
  	      if (t6 != null)
  	        t1._configuration = t6;
  	      t1.visitStylesheet$1(0, t3);
  	      t3 = t1._outOfOrderImports == null ? t5 : new A.CssStylesheet(new A.UnmodifiableListView(t1._addOutOfOrderImports$0(), type$.UnmodifiableListView_CssNode), t4);
  	      _this.css.__late_helper$_value = t3;
  	      _this.preModuleComments.__late_helper$_value = t1._preModuleComments;
  	      t1._importer = oldImporter;
  	      t1.__stylesheet = oldStylesheet;
  	      t1.__root = oldRoot;
  	      t1._preModuleComments = oldPreModuleComments;
  	      t1.__parent = oldParent;
  	      t1.__endOfImports = oldEndOfImports;
  	      t1._outOfOrderImports = oldOutOfOrderImports;
  	      t1.__extensionStore = oldExtensionStore;
  	      t1._styleRuleIgnoringAtRoot = oldStyleRule;
  	      t1._mediaQueries = oldMediaQueries;
  	      t1._declarationName = oldDeclarationName;
  	      t1._inUnknownAtRule = oldInUnknownAtRule;
  	      t1._atRootExcludingStyleRule = t2;
  	      t1._inKeyframes = oldInKeyframes;
  	      t1._configuration = oldConfiguration;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__combineCss_closure.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 95
  	  };
  	  A._EvaluateVisitor__combineCss_closure0.prototype = {
  	    call$1(target) {
  	      return !this.selectors.contains$1(0, target);
  	    },
  	    $signature: 14
  	  };
  	  A._EvaluateVisitor__combineCss_visitModule.prototype = {
  	    call$1(module) {
  	      var t1, t2, t3, t4, _i, upstream, _1_0, statements, index, _this = this;
  	      if (!_this.seen.add$1(0, module))
  	        return;
  	      if (_this.clone)
  	        module = module.cloneCss$0();
  	      for (t1 = module.get$upstream(), t2 = t1.length, t3 = _this.css, t4 = _this.imports, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        upstream = t1[_i];
  	        if (upstream.get$transitivelyContainsCss()) {
  	          _1_0 = module.get$preModuleComments().$index(0, upstream);
  	          if (_1_0 != null)
  	            B.JSArray_methods.addAll$1(t3.length === 0 ? t4 : t3, _1_0);
  	          _this.call$1(upstream);
  	        }
  	      }
  	      _this.sorted.addFirst$1(module);
  	      t1 = module.get$css(module);
  	      statements = t1.get$children(t1);
  	      index = _this.$this._indexAfterImports$1(statements);
  	      t1 = J.getInterceptor$ax(statements);
  	      B.JSArray_methods.addAll$1(t4, t1.getRange$2(statements, 0, index));
  	      B.JSArray_methods.addAll$1(t3, t1.getRange$2(statements, index, t1.get$length(statements)));
  	    },
  	    $signature: 604
  	  };
  	  A._EvaluateVisitor__extendModules_closure.prototype = {
  	    call$1(target) {
  	      return !this.originalSelectors.contains$1(0, target);
  	    },
  	    $signature: 14
  	  };
  	  A._EvaluateVisitor__extendModules_closure0.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_ExtensionStore);
  	    },
  	    $signature: 170
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure0.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        oldParent = t1._assertInModule$2(t1.__parent, "__parent");
  	      t1.__parent = this.newParent;
  	      t1._environment.scope$1$2$when(callback, this.node.hasDeclarations, type$.void);
  	      t1.__parent = oldParent;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure0.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        oldAtRootExcludingStyleRule = t1._atRootExcludingStyleRule;
  	      t1._atRootExcludingStyleRule = true;
  	      this.innerScope.call$1(callback);
  	      t1._atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure1.prototype = {
  	    call$1(callback) {
  	      return this.$this._withMediaQueries$3(null, null, new A._EvaluateVisitor__scopeForAtRoot__closure(this.innerScope, callback));
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot__closure.prototype = {
  	    call$0() {
  	      return this.innerScope.call$1(this.callback);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure2.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        wasInKeyframes = t1._inKeyframes;
  	      t1._inKeyframes = false;
  	      this.innerScope.call$1(callback);
  	      t1._inKeyframes = wasInKeyframes;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure3.prototype = {
  	    call$1($parent) {
  	      return $parent instanceof A.ModifiableCssAtRule;
  	    },
  	    $signature: 172
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure4.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        wasInUnknownAtRule = t1._inUnknownAtRule;
  	      t1._inUnknownAtRule = false;
  	      this.innerScope.call$1(callback);
  	      t1._inUnknownAtRule = wasInUnknownAtRule;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor_visitContentRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.content.declaration.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	      return null;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitDeclaration_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this._box_0.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure.prototype = {
  	    call$1(value) {
  	      var t1 = this.$this,
  	        t2 = this.nodeWithSpan;
  	      return t1._environment.setLocalVariable$3(this._box_0.variable, t1._withoutSlash$2(value, t2), t2);
  	    },
  	    $signature: 58
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure0.prototype = {
  	    call$1(value) {
  	      return this.$this._setMultipleVariables$3(this._box_1.variables, value, this.nodeWithSpan);
  	    },
  	    $signature: 58
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      return t1._handleReturn$2(_this.list.get$asList(), new A._EvaluateVisitor_visitEachRule__closure(t1, _this.setVariables, _this.node));
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitEachRule__closure.prototype = {
  	    call$1(element) {
  	      var t1;
  	      this.setVariables.call$1(element);
  	      t1 = this.$this;
  	      return t1._handleReturn$2(this.node.children, new A._EvaluateVisitor_visitEachRule___closure(t1));
  	    },
  	    $signature: 605
  	  };
  	  A._EvaluateVisitor_visitEachRule___closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 116
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure.prototype = {
  	    call$1(value) {
  	      return this.$this._interpolationToValue$3$trim$warnForColor(value, true, true);
  	    },
  	    $signature: 618
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure0.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure1.prototype = {
  	    call$0() {
  	      var t2, t3, _i, _this = this,
  	        t1 = _this.$this,
  	        styleRule = t1._atRootExcludingStyleRule ? null : t1._styleRuleIgnoringAtRoot;
  	      if (styleRule == null || t1._inKeyframes || _this.name.value === "font-face")
  	        for (t2 = _this.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	      else
  	        t1._withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(styleRule._style_rule$_selector, styleRule.span, false, styleRule.originalSelector), new A._EvaluateVisitor_visitAtRule__closure(t1, _this.children), false, type$.ModifiableCssStyleRule, type$.Null);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule__closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure2.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitForRule_closure.prototype = {
  	    call$0() {
  	      return this.node.from.accept$1(this.$this).assertNumber$0();
  	    },
  	    $signature: 193
  	  };
  	  A._EvaluateVisitor_visitForRule_closure0.prototype = {
  	    call$0() {
  	      return this.node.to.accept$1(this.$this).assertNumber$0();
  	    },
  	    $signature: 193
  	  };
  	  A._EvaluateVisitor_visitForRule_closure1.prototype = {
  	    call$0() {
  	      return this.fromNumber.assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.fromNumber;
  	      return this.toNumber.coerce$2(t1.get$numeratorUnits(t1), t1.get$denominatorUnits(t1)).assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure3.prototype = {
  	    call$0() {
  	      var i, t3, t4, t5, t6, t7, t8, _0_0, _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.node,
  	        nodeWithSpan = t1._expressionNode$1(t2.from);
  	      for (i = _this.from, t3 = _this._box_0, t4 = _this.direction, t5 = t2.variable, t6 = _this.fromNumber, t2 = t2.children; i !== t3.to; i += t4) {
  	        t7 = t1._environment;
  	        t8 = t6.get$numeratorUnits(t6);
  	        t7.setLocalVariable$3(t5, A.SassNumber_SassNumber$withUnits(i, t6.get$denominatorUnits(t6), t8), nodeWithSpan);
  	        _0_0 = t1._handleReturn$2(t2, new A._EvaluateVisitor_visitForRule__closure(t1));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitForRule__closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 116
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._registerCommentsForModule$1(module);
  	      this.$this._environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 114
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure0.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._registerCommentsForModule$1(module);
  	      this.$this._environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 114
  	  };
  	  A._EvaluateVisitor__registerCommentsForModule_closure.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_CssComment);
  	    },
  	    $signature: 177
  	  };
  	  A._EvaluateVisitor_visitIfRule_closure.prototype = {
  	    call$1(clause) {
  	      var t1 = this.$this;
  	      return t1._environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitIfRule__closure(t1, clause), true, clause.hasDeclarations, type$.nullable_Value);
  	    },
  	    $signature: 626
  	  };
  	  A._EvaluateVisitor_visitIfRule__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._handleReturn$2(this.clause.children, new A._EvaluateVisitor_visitIfRule___closure(t1));
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitIfRule___closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 116
  	  };
  	  A._EvaluateVisitor__visitDynamicImport_closure.prototype = {
  	    call$0() {
  	      var t1, t2, _0_0, stylesheet, importer, isDependency, t3, url, oldImporter, oldStylesheet, oldInDependency, loadsUserDefinedModules, children, t4, t5, t6, t7, t8, t9, t10, t11, environment, module, visitor, _box_0 = {};
  	      _box_0.isDependency = _box_0.importer = _box_0.stylesheet = null;
  	      t1 = this.$this;
  	      t2 = this.$import;
  	      _0_0 = t1._loadStylesheet$3$forImport(t2.urlString, t2.span, true);
  	      stylesheet = _box_0.stylesheet = _0_0._0;
  	      importer = _0_0._1;
  	      _box_0.importer = importer;
  	      isDependency = _0_0._2;
  	      _box_0.isDependency = isDependency;
  	      t3 = stylesheet.span;
  	      url = t3.get$sourceUrl(t3);
  	      if (url != null) {
  	        t3 = t1._activeModules;
  	        if (t3.containsKey$1(url)) {
  	          t2 = A.NullableExtension_andThen(t3.$index(0, url), new A._EvaluateVisitor__visitDynamicImport__closure(t1));
  	          throw A.wrapException(t2 == null ? t1._evaluate$_exception$1("This file is already being loaded.") : t2);
  	        }
  	        t3.$indexSet(0, url, t2);
  	      }
  	      t2 = stylesheet._uses;
  	      t3 = type$.UnmodifiableListView_UseRule;
  	      if (new A.UnmodifiableListView(t2, t3).get$length(0) === 0 && new A.UnmodifiableListView(stylesheet._forwards, type$.UnmodifiableListView_ForwardRule).get$length(0) === 0) {
  	        oldImporter = t1._importer;
  	        oldStylesheet = t1._assertInModule$2(t1.__stylesheet, "_stylesheet");
  	        oldInDependency = t1._inDependency;
  	        t1._importer = importer;
  	        t1.__stylesheet = stylesheet;
  	        t1._inDependency = isDependency;
  	        t1.visitStylesheet$1(0, stylesheet);
  	        t1._importer = oldImporter;
  	        t1.__stylesheet = oldStylesheet;
  	        t1._inDependency = oldInDependency;
  	        t1._activeModules.remove$1(0, url);
  	        return;
  	      }
  	      t2 = new A.UnmodifiableListView(t2, t3);
  	      if (!t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure0())) {
  	        t2 = new A.UnmodifiableListView(stylesheet._forwards, type$.UnmodifiableListView_ForwardRule);
  	        loadsUserDefinedModules = t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure1());
  	      } else
  	        loadsUserDefinedModules = true;
  	      children = A._Cell$();
  	      t2 = t1._environment;
  	      t3 = type$.String;
  	      t4 = type$.Module_Callable;
  	      t5 = type$.AstNode;
  	      t6 = t2._nestedForwardedModules;
  	      t7 = A._setArrayType([], type$.JSArray_Module_Callable);
  	      t8 = t2._variables;
  	      t8 = A._setArrayType(t8.slice(0), A._arrayInstanceType(t8));
  	      t9 = t2._variableNodes;
  	      t9 = A._setArrayType(t9.slice(0), A._arrayInstanceType(t9));
  	      t10 = t2._functions;
  	      t10 = A._setArrayType(t10.slice(0), A._arrayInstanceType(t10));
  	      t11 = t2._mixins;
  	      t11 = A._setArrayType(t11.slice(0), A._arrayInstanceType(t11));
  	      environment = A.Environment$_(A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t3, t5), A.LinkedHashMap_LinkedHashMap$_empty(t4, t5), t2._importedModules, null, t6, t7, t8, t9, t10, t11, t2._content, t2._configurableVariables);
  	      t1._withEnvironment$2(environment, new A._EvaluateVisitor__visitDynamicImport__closure2(_box_0, t1, loadsUserDefinedModules, environment, children));
  	      module = environment.toDummyModule$0();
  	      t1._environment.importForwards$1(module);
  	      if (loadsUserDefinedModules) {
  	        if (module.transitivelyContainsCss)
  	          t1._combineCss$2$clone(module, module.transitivelyContainsExtensions).accept$1(t1);
  	        visitor = new A._ImportedCssVisitor(t1);
  	        for (t2 = J.get$iterator$ax(children._readLocal$0()); t2.moveNext$0();)
  	          t2.get$current(t2).accept$1(visitor);
  	      }
  	      t1._activeModules.remove$1(0, url);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._multiSpanException$3("This file is already being loaded.", "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 111
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure0.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 178
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure1.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 179
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure2.prototype = {
  	    call$0() {
  	      var t3, t4, _this = this,
  	        t1 = _this.$this,
  	        oldImporter = t1._importer,
  	        oldStylesheet = t1._assertInModule$2(t1.__stylesheet, "_stylesheet"),
  	        oldRoot = t1._assertInModule$2(t1.__root, "_root"),
  	        oldParent = t1._assertInModule$2(t1.__parent, "__parent"),
  	        oldEndOfImports = t1._assertInModule$2(t1.__endOfImports, "_endOfImports"),
  	        oldOutOfOrderImports = t1._outOfOrderImports,
  	        oldConfiguration = t1._configuration,
  	        oldInDependency = t1._inDependency,
  	        t2 = _this._box_0;
  	      t1._importer = t2.importer;
  	      t3 = t2.stylesheet;
  	      t1.__stylesheet = t3;
  	      t4 = _this.loadsUserDefinedModules;
  	      if (t4) {
  	        t3 = A.ModifiableCssStylesheet$(t3.span);
  	        t1.__root = t3;
  	        t1.__parent = t1._assertInModule$2(t3, "_root");
  	        t1.__endOfImports = 0;
  	        t1._outOfOrderImports = null;
  	      }
  	      t1._inDependency = t2.isDependency;
  	      t3 = new A.UnmodifiableListView(t2.stylesheet._forwards, type$.UnmodifiableListView_ForwardRule);
  	      if (!t3.get$isEmpty(t3))
  	        t1._configuration = _this.environment.toImplicitConfiguration$0();
  	      t1.visitStylesheet$1(0, t2.stylesheet);
  	      t2 = t4 ? t1._addOutOfOrderImports$0() : A._setArrayType([], type$.JSArray_ModifiableCssNode);
  	      _this.children.__late_helper$_value = t2;
  	      t1._importer = oldImporter;
  	      t1.__stylesheet = oldStylesheet;
  	      if (t4) {
  	        t1.__root = oldRoot;
  	        t1.__parent = oldParent;
  	        t1.__endOfImports = oldEndOfImports;
  	        t1._outOfOrderImports = oldOutOfOrderImports;
  	      }
  	      t1._configuration = oldConfiguration;
  	      t1._inDependency = oldInDependency;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__applyMixin_closure.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      t1._environment.asMixin$1(new A._EvaluateVisitor__applyMixin__closure0(t1, _this.$arguments, _this.mixin, _this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin__closure0.prototype = {
  	    call$0() {
  	      var _this = this;
  	      _this.$this._runBuiltInCallable$3(_this.$arguments, _this.mixin, _this.nodeWithSpanWithoutContent);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin_closure0.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      t1._environment.withContent$2(_this.contentCallable, new A._EvaluateVisitor__applyMixin__closure(t1, _this.mixin, _this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__applyMixin__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._environment.asMixin$1(new A._EvaluateVisitor__applyMixin___closure(t1, this.mixin, this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin___closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4, _i;
  	      for (t1 = this.mixin.declaration.children, t2 = t1.length, t3 = this.$this, t4 = this.nodeWithSpanWithoutContent, _i = 0; _i < t2; ++_i)
  	        t3._addErrorSpan$2(t4, new A._EvaluateVisitor__applyMixin____closure(t3, t1[_i]));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin____closure.prototype = {
  	    call$0() {
  	      return this.statement.accept$1(this.$this);
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._environment.getMixin$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 113
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure0.prototype = {
  	    call$1($content) {
  	      var t1 = this.$this;
  	      return new A.UserDefinedCallable($content, t1._environment.closure$0(), t1._inDependency, type$.UserDefinedCallable_Environment);
  	    },
  	    $signature: 633
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure1.prototype = {
  	    call$0() {
  	      return this.node.get$spanWithoutContent();
  	    },
  	    $signature: 16
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure0.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._mergeMediaQueries$2(mediaQueries, this.queries);
  	    },
  	    $signature: 89
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.mergedQueries;
  	      if (t2 == null)
  	        t2 = _this.queries;
  	      t1._withMediaQueries$3(t2, _this.mergedSources, new A._EvaluateVisitor_visitMediaRule__closure(t1, _this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule__closure.prototype = {
  	    call$0() {
  	      var t2, t3, _i,
  	        t1 = this.$this,
  	        _0_0 = t1._atRootExcludingStyleRule ? null : t1._styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitMediaRule___closure(t1, this.node), false, type$.ModifiableCssStyleRule, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule___closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure2.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._withStyleRule$2(this.rule, new A._EvaluateVisitor_visitStyleRule__closure(t1, this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule__closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__warnForBogusCombinators_closure.prototype = {
  	    call$1(child) {
  	      return child instanceof A.ModifiableCssComment;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure0.prototype = {
  	    call$0() {
  	      var t2, t3, _i,
  	        t1 = this.$this,
  	        _0_0 = t1._atRootExcludingStyleRule ? null : t1._styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._withParent$2$2(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitSupportsRule__closure(t1, this.node), type$.ModifiableCssStyleRule, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule__closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__visitSupportsCondition_closure.prototype = {
  	    call$0() {
  	      var t4,
  	        t1 = this.$this,
  	        t2 = this._box_0,
  	        t3 = t2.declaration.name;
  	      t3 = t1._evaluate$_serialize$3$quote(t3.accept$1(t1), t3, true);
  	      t4 = t2.declaration.get$isCustomProperty() ? "" : " ";
  	      t2 = t2.declaration.value;
  	      return "(" + t3 + ":" + t4 + t1._evaluate$_serialize$3$quote(t2.accept$1(t1), t2, true) + ")";
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._environment,
  	        t2 = this._box_0.override;
  	      t1.setVariable$4$global(this.node.name, t2.value, t2.assignmentNode, true);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      t1._environment.setVariable$5$global$namespace(t2.name, this.value, t1._expressionNode$1(t2.expression), t2.isGlobal, t2.namespace);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitUseRule_closure.prototype = {
  	    call$2(module, firstLoad) {
  	      var t1, t2, t3, _0_0, t4, t5, span;
  	      if (firstLoad)
  	        this.$this._registerCommentsForModule$1(module);
  	      t1 = this.$this._environment;
  	      t2 = this.node;
  	      t3 = t2.namespace;
  	      if (t3 == null) {
  	        t1._globalModules.$indexSet(0, module, t2);
  	        t1._allModules.push(module);
  	        t1 = B.JSArray_methods.get$first(t1._variables);
  	        _0_0 = A.IterableExtension_firstWhereOrNull(t1.get$keys(t1), module.get$variables().get$containsKey());
  	        if (_0_0 != null)
  	          A.throwExpression(A.SassScriptException$(string$.This_ma + _0_0 + '".', null));
  	      } else {
  	        t4 = t1._environment$_modules;
  	        if (t4.containsKey$1(t3)) {
  	          t5 = t1._namespaceNodes.$index(0, t3);
  	          span = t5 == null ? null : t5.span;
  	          t5 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (span != null)
  	            t5.$indexSet(0, span, "original @use");
  	          A.throwExpression(A.MultiSpanSassScriptException$(string$.There_ + t3 + '".', "new @use", t5));
  	        }
  	        t4.$indexSet(0, t3, module);
  	        t1._namespaceNodes.$indexSet(0, t3, t2);
  	        t1._allModules.push(module);
  	      }
  	    },
  	    $signature: 114
  	  };
  	  A._EvaluateVisitor_visitWarnRule_closure.prototype = {
  	    call$0() {
  	      return this.node.expression.accept$1(this.$this);
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_visitWhileRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _0_0;
  	      for (t1 = this.node, t2 = t1.condition, t3 = this.$this, t1 = t1.children; t2.accept$1(t3).get$isTruthy();) {
  	        _0_0 = t3._handleReturn$2(t1, new A._EvaluateVisitor_visitWhileRule__closure(t3));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitWhileRule__closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 116
  	  };
  	  A._EvaluateVisitor_visitBinaryOperationExpression_closure.prototype = {
  	    call$0() {
  	      var t1 = this.node,
  	        t2 = this.$this,
  	        left = t1.left.accept$1(t2);
  	      switch (t1.operator.index) {
  	        case 0:
  	          t1 = t1.right.accept$1(t2);
  	          t1 = new A.SassString(A.serializeValue(left, false, true) + "=" + A.serializeValue(t1, false, true), false);
  	          break;
  	        case 1:
  	          t1 = left.get$isTruthy() ? left : t1.right.accept$1(t2);
  	          break;
  	        case 2:
  	          t1 = left.get$isTruthy() ? t1.right.accept$1(t2) : left;
  	          break;
  	        case 3:
  	          t1 = left.$eq(0, t1.right.accept$1(t2)) ? B.SassBoolean_true : B.SassBoolean_false;
  	          break;
  	        case 4:
  	          t1 = !left.$eq(0, t1.right.accept$1(t2)) ? B.SassBoolean_true : B.SassBoolean_false;
  	          break;
  	        case 5:
  	          t1 = left.greaterThan$1(t1.right.accept$1(t2));
  	          break;
  	        case 6:
  	          t1 = left.greaterThanOrEquals$1(t1.right.accept$1(t2));
  	          break;
  	        case 7:
  	          t1 = left.lessThan$1(t1.right.accept$1(t2));
  	          break;
  	        case 8:
  	          t1 = left.lessThanOrEquals$1(t1.right.accept$1(t2));
  	          break;
  	        case 9:
  	          t1 = left.plus$1(t1.right.accept$1(t2));
  	          break;
  	        case 10:
  	          t1 = left.minus$1(t1.right.accept$1(t2));
  	          break;
  	        case 11:
  	          t1 = left.times$1(t1.right.accept$1(t2));
  	          break;
  	        case 12:
  	          t1 = t2._slash$3(left, t1.right.accept$1(t2), t1);
  	          break;
  	        case 13:
  	          t1 = left.modulo$1(t1.right.accept$1(t2));
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor__slash_recommendation.prototype = {
  	    call$1(expression) {
  	      var t1;
  	      $label0$0: {
  	        if (expression instanceof A.BinaryOperationExpression && B.BinaryOperator_ehp === expression.operator) {
  	          t1 = "math.div(" + A.S(this.call$1(expression.left)) + ", " + A.S(this.call$1(expression.right)) + ")";
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.ParenthesizedExpression) {
  	          t1 = expression.expression.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = expression.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 133
  	  };
  	  A._EvaluateVisitor_visitVariableExpression_closure.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 44
  	  };
  	  A._EvaluateVisitor_visitUnaryOperationExpression_closure.prototype = {
  	    call$0() {
  	      var t1, _this = this;
  	      switch (_this.node.operator.index) {
  	        case 0:
  	          t1 = _this.operand.unaryPlus$0();
  	          break;
  	        case 1:
  	          t1 = _this.operand.unaryMinus$0();
  	          break;
  	        case 2:
  	          t1 = new A.SassString("/" + A.serializeValue(_this.operand, false, true), false);
  	          break;
  	        case 3:
  	          t1 = _this.operand.unaryNot$0();
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor_visitIfExpression_closure.prototype = {
  	    call$1(pair) {
  	      return pair._0 + ": " + pair._1.toString$0(0);
  	    },
  	    $signature: 183
  	  };
  	  A._EvaluateVisitor_visitIfConditionOperation_closure.prototype = {
  	    call$1(pair) {
  	      return pair._1;
  	    },
  	    $signature: 184
  	  };
  	  A._EvaluateVisitor_visitListExpression_closure.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 653
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._environment.getFunction$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 113
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure0.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(B.C_IsCalculationSafeVisitor);
  	    },
  	    $signature: 74
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._runFunctionCallable$3(t1.$arguments, this._box_0.$function, t1);
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor__visitCalculation_closure.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._warn$3(message, this.node.span, deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 105
  	  };
  	  A._EvaluateVisitor__checkCalculationArguments_check.prototype = {
  	    call$1(maxArgs) {
  	      var t1 = this.node,
  	        t2 = t1.$arguments.positional.length;
  	      if (t2 === 0)
  	        throw A.wrapException(this.$this._evaluate$_exception$2("Missing argument.", t1.span));
  	      else if (maxArgs != null && t2 > maxArgs)
  	        throw A.wrapException(this.$this._evaluate$_exception$2("Only " + A.S(maxArgs) + " " + A.pluralize("argument", maxArgs, null) + " allowed, but " + t2 + " " + A.pluralize("was", t2, "were") + " passed.", t1.span));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    $signature: 82
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression_closure.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this._box_0,
  	        t3 = _this.node,
  	        t4 = _this.inLegacySassFunction;
  	      return A.SassCalculation_operateInternal(t1._binaryOperatorToCalculationOperator$2(t2.operator, t3), t1._visitCalculationExpression$2$inLegacySassFunction(t2.left, t4), t1._visitCalculationExpression$2$inLegacySassFunction(t2.right, t4), t4, !t1._inSupportsDeclaration, new A._EvaluateVisitor__visitCalculationExpression__closure(t1, t3));
  	    },
  	    $signature: 83
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression__closure.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._warn$3(message, this.node.get$span(0), deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 105
  	  };
  	  A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._runFunctionCallable$3(t1.$arguments, this.$function, t1);
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable_closure.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.callable;
  	      return t1._withEnvironment$2(t2.environment.closure$0(), new A._EvaluateVisitor__runUserDefinedCallable__closure(t1, _this.evaluated, t2, _this.nodeWithSpan, _this.run, _this.V));
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable__closure.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.V;
  	      return t1._environment.scope$1$1(new A._EvaluateVisitor__runUserDefinedCallable___closure(t1, _this.evaluated, _this.callable, _this.nodeWithSpan, _this.run, t2), t2);
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable___closure.prototype = {
  	    call$0() {
  	      var parameters, t5, minLength, i, parameter, t6, value, t7, t8, restParameter, rest, argumentList, result, parameterWord, _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.evaluated._values,
  	        t3 = _this.callable.declaration.parameters,
  	        t4 = _this.nodeWithSpan;
  	      t1._verifyArguments$4(t2[2].length, t2[0], t3, t4);
  	      parameters = t3.parameters;
  	      t5 = parameters.length;
  	      minLength = Math.min(t2[2].length, t5);
  	      for (i = 0; i < minLength; ++i)
  	        t1._environment.setLocalVariable$3(parameters[i].name, t2[2][i], t2[3][i]);
  	      for (i = t2[2].length; i < t5; ++i) {
  	        parameter = parameters[i];
  	        t6 = parameter.name;
  	        value = t2[0].remove$1(0, t6);
  	        if (value == null) {
  	          t7 = parameter.defaultValue;
  	          value = t1._withoutSlash$2(t7.accept$1(t1), t1._expressionNode$1(t7));
  	        }
  	        t7 = t1._environment;
  	        t8 = t2[1].$index(0, t6);
  	        if (t8 == null) {
  	          t8 = parameter.defaultValue;
  	          t8.toString;
  	          t8 = t1._expressionNode$1(t8);
  	        }
  	        t7.setLocalVariable$3(t6, value, t8);
  	      }
  	      restParameter = t3.restParameter;
  	      if (restParameter != null) {
  	        t6 = t2[2];
  	        rest = t6.length > t5 ? B.JSArray_methods.sublist$1(t6, t5) : B.List_empty8;
  	        t5 = t2[0];
  	        t6 = t2[4];
  	        argumentList = A.SassArgumentList$(rest, t5, t6 === B.ListSeparator_undecided_null_3_undecided ? B.ListSeparator_z0K : t6);
  	        t1._environment.setLocalVariable$3(restParameter, argumentList, t4);
  	      } else
  	        argumentList = null;
  	      result = _this.run.call$0();
  	      if (argumentList == null)
  	        return result;
  	      t5 = t2[0].__js_helper$_length;
  	      if (t5 === 0)
  	        return result;
  	      if (argumentList._wereKeywordsAccessed)
  	        return result;
  	      parameterWord = A.pluralize("parameter", t5, null);
  	      t2 = t2[0];
  	      t5 = A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>");
  	      throw A.wrapException(A.MultiSpanSassRuntimeException$("No " + parameterWord + " named " + A.toSentence(A.MappedIterable_MappedIterable(new A.LinkedHashMapKeysIterable(t2, t5), new A._EvaluateVisitor__runUserDefinedCallable____closure(), t5._eval$1("Iterable.E"), type$.Object), "or") + ".", t4.get$span(t4), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([t3.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), t1._evaluate$_stackTrace$1(t4.get$span(t4)), null));
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable____closure.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__runFunctionCallable_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4, _i, $returnValue;
  	      for (t1 = this.callable.declaration, t2 = t1.children, t3 = t2.length, t4 = this.$this, _i = 0; _i < t3; ++_i) {
  	        $returnValue = t2[_i].accept$1(t4);
  	        if ($returnValue instanceof A.Value)
  	          return $returnValue;
  	      }
  	      throw A.wrapException(t4._evaluate$_exception$2("Function finished without @return.", t1.span));
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure.prototype = {
  	    call$0() {
  	      return this._box_0.overload.verify$2(this.evaluated._values[2].length, this.namedSet);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure0.prototype = {
  	    call$0() {
  	      return this._box_0.callback.call$1(this.evaluated._values[2]);
  	    },
  	    $signature: 33
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure1.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure0.prototype = {
  	    call$1(value) {
  	      return this.$this._withoutSlash$2(value, this.restNodeForSpan);
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure1.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restNodeForSpan;
  	      _this.named.$indexSet(0, key, _this.$this._withoutSlash$2(value, t1));
  	      _this.namedNodes.$indexSet(0, key, t1);
  	    },
  	    $signature: 109
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure2.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 43
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression(value, t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure0.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression(this.$this._withoutSlash$2(value, this.restNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure1.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restArgs;
  	      _this.named.$indexSet(0, key, new A.ValueExpression(_this.$this._withoutSlash$2(value, _this.restNodeForSpan), t1.get$span(t1)));
  	    },
  	    $signature: 109
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure2.prototype = {
  	    call$1(value) {
  	      var t1 = this.keywordRestArgs;
  	      return new A.ValueExpression(this.$this._withoutSlash$2(value, this.keywordRestNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 60
  	  };
  	  A._EvaluateVisitor__addRestMap_closure.prototype = {
  	    call$2(key, value) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (key instanceof A.SassString)
  	        _this.values.$indexSet(0, key._string$_text, _this.convert.call$1(t1._withoutSlash$2(value, _this.expressionNode)));
  	      else {
  	        t2 = _this.nodeWithSpan;
  	        throw A.wrapException(t1._evaluate$_exception$2(string$.Variab_ + key.toString$0(0) + " is not a string in " + _this.map.toString$0(0) + ".", t2.get$span(t2)));
  	      }
  	    },
  	    $signature: 99
  	  };
  	  A._EvaluateVisitor__verifyArguments_closure.prototype = {
  	    call$0() {
  	      return this.parameters.verify$2(this.positional, new A.MapKeySet(this.named, type$.MapKeySet_String));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure0.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure0.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._mergeMediaQueries$2(mediaQueries, this.node.queries);
  	    },
  	    $signature: 89
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.mergedQueries;
  	      if (t2 == null)
  	        t2 = _this.node.queries;
  	      t1._withMediaQueries$3(t2, _this.mergedSources, new A._EvaluateVisitor_visitCssMediaRule__closure(t1, _this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule__closure.prototype = {
  	    call$0() {
  	      var t2, t3, t4,
  	        t1 = this.$this,
  	        _0_0 = t1._atRootExcludingStyleRule ? null : t1._styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssMediaRule___closure(t1, this.node), false, type$.ModifiableCssStyleRule, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	          t4 = t2.__internal$_current;
  	          (t4 == null ? t3._as(t4) : t4).accept$1(t1);
  	        }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule___closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure2.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._withStyleRule$2(this.rule, new A._EvaluateVisitor_visitCssStyleRule__closure(t1, this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule__closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure0.prototype = {
  	    call$0() {
  	      var t2, t3, t4,
  	        t1 = this.$this,
  	        _0_0 = t1._atRootExcludingStyleRule ? null : t1._styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._withParent$2$2(A.ModifiableCssStyleRule$(_0_0._style_rule$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssSupportsRule__closure(t1, this.node), type$.ModifiableCssStyleRule, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	          t4 = t2.__internal$_current;
  	          (t4 == null ? t3._as(t4) : t4).accept$1(t1);
  	        }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule__closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluateVisitor__performInterpolationHelper_closure.prototype = {
  	    call$1(targetOffsets) {
  	      return A.InterpolationMap$(this.interpolation, targetOffsets);
  	    },
  	    $signature: 143
  	  };
  	  A._EvaluateVisitor__serialize_closure.prototype = {
  	    call$0() {
  	      return A.serializeValue(this.value, false, this.quote);
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor__expressionNode_closure.prototype = {
  	    call$0() {
  	      var t1 = this.expression;
  	      return this.$this._environment.getVariableNode$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 188
  	  };
  	  A._EvaluateVisitor__withoutSlash_recommendation.prototype = {
  	    call$1(number) {
  	      var before, after, t1,
  	        _1_0 = number.asSlash;
  	      $label0$0: {
  	        if (type$.Record_2_nullable_Object_and_nullable_Object._is(_1_0)) {
  	          before = _1_0._0;
  	          after = _1_0._1;
  	          t1 = "math.div(" + A.S(this.call$1(before)) + ", " + A.S(this.call$1(after)) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.serializeValue(number, true, true);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 189
  	  };
  	  A._EvaluateVisitor__stackFrame_closure.prototype = {
  	    call$1(url) {
  	      var t1 = this.$this._evaluate$_importCache;
  	      t1 = t1 == null ? null : t1.humanize$1(url);
  	      return t1 == null ? url : t1;
  	    },
  	    $signature: 49
  	  };
  	  A._ImportedCssVisitor.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless ? null : new A._ImportedCssVisitor_visitCssAtRule_closure();
  	      this._visitor._addChild$2$through(node, t1);
  	    },
  	    visitCssComment$1(node) {
  	      return this._visitor._addChild$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this._visitor._addChild$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      var t2,
  	        _s13_ = "_endOfImports",
  	        t1 = this._visitor;
  	      if (t1._assertInModule$2(t1.__parent, "__parent") !== t1._assertInModule$2(t1.__root, "_root"))
  	        t1._addChild$1(node);
  	      else if (t1._assertInModule$2(t1.__endOfImports, _s13_) === J.get$length$asx(t1._assertInModule$2(t1.__root, "_root").children._collection$_source)) {
  	        t1._addChild$1(node);
  	        t1.__endOfImports = t1._assertInModule$2(t1.__endOfImports, _s13_) + 1;
  	      } else {
  	        t2 = t1._outOfOrderImports;
  	        (t2 == null ? t1._outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport) : t2).push(node);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = this._visitor,
  	        mediaQueries = t1._mediaQueries;
  	      t1._addChild$2$through(node, new A._ImportedCssVisitor_visitCssMediaRule_closure(mediaQueries == null || t1._mergeMediaQueries$2(mediaQueries, node.queries) != null));
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this._visitor._addChild$2$through(node, new A._ImportedCssVisitor_visitCssStyleRule_closure());
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3;
  	      for (t1 = node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        (t3 == null ? t2._as(t3) : t3).accept$1(this);
  	      }
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._visitor._addChild$2$through(node, new A._ImportedCssVisitor_visitCssSupportsRule_closure());
  	    }
  	  };
  	  A._ImportedCssVisitor_visitCssAtRule_closure.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssMediaRule_closure.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule))
  	        t1 = this.hasBeenMerged && node instanceof A.ModifiableCssMediaRule;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssStyleRule_closure.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._ImportedCssVisitor_visitCssSupportsRule_closure.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule;
  	    },
  	    $signature: 7
  	  };
  	  A._EvaluationContext.prototype = {
  	    get$currentCallableSpan() {
  	      var _0_0 = this._visitor._callableNode;
  	      if (_0_0 != null)
  	        return _0_0.get$span(_0_0);
  	      throw A.wrapException(A.StateError$(string$.No_Sasc));
  	    },
  	    warn$2(_, message, deprecation) {
  	      var t1 = this._visitor,
  	        t2 = t1._importSpan;
  	      if (t2 == null) {
  	        t2 = t1._callableNode;
  	        t2 = t2 == null ? null : t2.get$span(t2);
  	      }
  	      if (t2 == null) {
  	        t2 = this._defaultWarnNodeWithSpan;
  	        t2 = t2.get$span(t2);
  	      }
  	      t1._warn$3(message, t2, deprecation);
  	    },
  	    $isEvaluationContext: 1
  	  };
  	  A.EveryCssVisitor.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssAtRule_closure(this));
  	    },
  	    visitCssComment$1(node) {
  	      return false;
  	    },
  	    visitCssDeclaration$1(node) {
  	      return false;
  	    },
  	    visitCssImport$1(node) {
  	      return false;
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssKeyframeBlock_closure(this));
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssMediaRule_closure(this));
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssStyleRule_closure(this));
  	    },
  	    visitCssStylesheet$1(node) {
  	      return J.every$1$ax(node.get$children(node), new A.EveryCssVisitor_visitCssStylesheet_closure(this));
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssSupportsRule_closure(this));
  	    }
  	  };
  	  A.EveryCssVisitor_visitCssAtRule_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A.EveryCssVisitor_visitCssKeyframeBlock_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A.EveryCssVisitor_visitCssMediaRule_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A.EveryCssVisitor_visitCssStyleRule_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A.EveryCssVisitor_visitCssStylesheet_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A.EveryCssVisitor_visitCssSupportsRule_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 7
  	  };
  	  A._MakeExpressionCalculationSafe.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, t2;
  	      if (node.operator === B.BinaryOperator_bgA) {
  	        t1 = A.ArgumentList$(A._setArrayType([node], type$.JSArray_Expression), B.Map_empty4, B.Map_empty5, node.get$span(0), null, null);
  	        t2 = node.get$span(0);
  	        t1 = new A.FunctionExpression("math", A.stringReplaceAllUnchecked("max", "_", "-"), "max", t1, t2);
  	      } else
  	        t1 = this.super$ReplaceExpressionVisitor$visitBinaryOperationExpression(0, node);
  	      return t1;
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return node;
  	    },
  	    visitIfExpression$1(_, node) {
  	      return node;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      var t1,
  	        _0_0 = node.operator;
  	      $label0$0: {
  	        if (B.UnaryOperator_n2K === _0_0) {
  	          t1 = node.operand;
  	          break $label0$0;
  	        }
  	        if (B.UnaryOperator_hCO === _0_0) {
  	          t1 = new A.BinaryOperationExpression(B.BinaryOperator_wkM, new A.NumberExpression(-1, null, node.span), node.operand, false);
  	          break $label0$0;
  	        }
  	        t1 = this.super$ReplaceExpressionVisitor$visitUnaryOperationExpression(0, node);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor.prototype = {};
  	  A._FindDependenciesVisitor.prototype = {
  	    visitEachRule$1(_, node) {
  	    },
  	    visitForRule$1(_, node) {
  	    },
  	    visitIfRule$1(_, node) {
  	    },
  	    visitWhileRule$1(_, node) {
  	    },
  	    visitUseRule$1(_, node) {
  	      var t1 = node.url;
  	      if (t1.get$scheme() !== "sass")
  	        this._find_dependencies$_uses.add$1(0, t1);
  	      else if (t1.toString$0(0) === "sass:meta")
  	        this._metaNamespaces.add$1(0, node.namespace);
  	    },
  	    visitForwardRule$1(_, node) {
  	      var t1 = node.url;
  	      if (t1.get$scheme() !== "sass")
  	        this._find_dependencies$_forwards.add$1(0, t1);
  	    },
  	    visitImportRule$1(_, node) {
  	      var t1, t2, t3, _i, $import;
  	      for (t1 = node.imports, t2 = t1.length, t3 = this._imports, _i = 0; _i < t2; ++_i) {
  	        $import = t1[_i];
  	        if ($import instanceof A.DynamicImport)
  	          t3.add$1(0, A.Uri_parse($import.urlString));
  	      }
  	    },
  	    visitIncludeRule$1(_, node) {
  	      var url, _0_0, _0_4_isSet, _0_7, t1, _0_4, _0_7_isSet, url0;
  	      if (node.name !== "load-css")
  	        return;
  	      if (!this._metaNamespaces.contains$1(0, node.namespace))
  	        return;
  	      _0_0 = node.$arguments.positional;
  	      url = null;
  	      _0_4_isSet = _0_0.length === 1;
  	      _0_7 = null;
  	      t1 = false;
  	      if (_0_4_isSet) {
  	        _0_4 = _0_0[0];
  	        _0_7_isSet = _0_4 instanceof A.StringExpression;
  	        if (_0_7_isSet) {
  	          type$.StringExpression._as(_0_4);
  	          _0_7 = _0_4.text.get$asPlain();
  	          t1 = _0_7;
  	          t1 = t1 != null;
  	        }
  	      } else {
  	        _0_4 = null;
  	        _0_7_isSet = false;
  	      }
  	      if (t1) {
  	        if (_0_7_isSet)
  	          url0 = _0_7;
  	        else {
  	          t1 = _0_4_isSet ? _0_4 : _0_0[0];
  	          _0_7 = type$.StringExpression._as(t1).text.get$asPlain();
  	          url0 = _0_7;
  	        }
  	        url = url0 == null ? A._asString(url0) : url0;
  	        try {
  	          this._metaLoadCss.add$1(0, A.Uri_parse(url));
  	        } catch (exception) {
  	          if (!type$.FormatException._is(A.unwrapException(exception)))
  	            throw exception;
  	        }
  	      }
  	    }
  	  };
  	  A.__FindDependenciesVisitor_Object_RecursiveStatementVisitor.prototype = {};
  	  A.IsCalculationSafeVisitor.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return B.Set_xkEMv.contains$1(0, node.operator) && node.left.accept$1(this) && node.right.accept$1(this);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return false;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return true;
  	    },
  	    visitIfExpression$1(_, node) {
  	      return true;
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return true;
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return true;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = false;
  	      if (node.separator === B.ListSeparator_SrV)
  	        if (!node.hasBrackets) {
  	          t1 = node.contents;
  	          t1 = t1.length > 1 && B.JSArray_methods.every$1(t1, new A.IsCalculationSafeVisitor_visitListExpression_closure(this));
  	        }
  	      return t1;
  	    },
  	    visitMapExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNullExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return true;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitStringExpression$1(_, node) {
  	      var text, t1, t2;
  	      if (node.hasQuotes)
  	        return false;
  	      text = node.text.get$initialPlain();
  	      t1 = false;
  	      if (!B.JSString_methods.startsWith$1(text, "!"))
  	        if (!B.JSString_methods.startsWith$1(text, "#")) {
  	          t2 = text.length;
  	          if ((1 >= t2 ? null : text.charCodeAt(1)) !== 43)
  	            t1 = (3 >= t2 ? null : text.charCodeAt(3)) !== 40;
  	        }
  	      return t1;
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return false;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return false;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return true;
  	    }
  	  };
  	  A.IsCalculationSafeVisitor_visitListExpression_closure.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 74
  	  };
  	  A.IsPlainCssVisitor.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return false;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return true;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return node.namespace == null && this._visitArgumentList$1(node.$arguments);
  	    },
  	    visitIfExpression$1(_, node) {
  	      return B.JSArray_methods.every$1(node.branches, new A.IsPlainCssVisitor_visitIfExpression_closure(this));
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      var t1 = this._visitArgumentList$1(node.$arguments);
  	      return t1;
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return false;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return (t1.length !== 0 || node.hasBrackets) && B.JSArray_methods.every$1(t1, new A.IsPlainCssVisitor_visitListExpression_closure(this));
  	    },
  	    visitMapExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNullExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return true;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitStringExpression$1(_, node) {
  	      return true;
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return false;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return false;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return false;
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      return B.JSArray_methods.every$1(node.expressions, new A.IsPlainCssVisitor_visitIfConditionOperation_closure(this));
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return true;
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return false;
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return true;
  	    },
  	    _visitArgumentList$1(node) {
  	      var t1 = node.named;
  	      return t1.get$isEmpty(t1) && node.rest == null && B.JSArray_methods.every$1(node.positional, new A.IsPlainCssVisitor__visitArgumentList_closure(this));
  	    }
  	  };
  	  A.IsPlainCssVisitor_visitIfExpression_closure.prototype = {
  	    call$1(pair) {
  	      var _0_1, condition, t1;
  	      $label0$0: {
  	        _0_1 = pair._0;
  	        if (_0_1 != null) {
  	          condition = _0_1 == null ? type$.IfConditionExpression._as(_0_1) : _0_1;
  	          t1 = this.$this;
  	          t1 = condition.accept$1(t1) && pair._1.accept$1(t1);
  	          break $label0$0;
  	        }
  	        t1 = pair._1.accept$1(this.$this);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 669
  	  };
  	  A.IsPlainCssVisitor_visitListExpression_closure.prototype = {
  	    call$1(element) {
  	      return element.accept$1(this.$this);
  	    },
  	    $signature: 74
  	  };
  	  A.IsPlainCssVisitor_visitIfConditionOperation_closure.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 672
  	  };
  	  A.IsPlainCssVisitor__visitArgumentList_closure.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(this.$this);
  	    },
  	    $signature: 74
  	  };
  	  A.RecursiveStatementVisitor.prototype = {
  	    visitAtRootRule$1(_, node) {
  	      this.visitChildren$1(node.children);
  	    },
  	    visitAtRule$1(_, node) {
  	      return A.NullableExtension_andThen(node.children, this.get$visitChildren());
  	    },
  	    visitContentBlock$1(_, node) {
  	      return null;
  	    },
  	    visitContentRule$1(_, node) {
  	    },
  	    visitDebugRule$1(_, node) {
  	    },
  	    visitDeclaration$1(_, node) {
  	      return A.NullableExtension_andThen(node.children, this.get$visitChildren());
  	    },
  	    visitEachRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitErrorRule$1(_, node) {
  	    },
  	    visitExtendRule$1(_, node) {
  	    },
  	    visitForRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitForwardRule$1(_, node) {
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return null;
  	    },
  	    visitIfRule$1(_, node) {
  	      var t1, t2, _i, t3, t4, _i0, _0_0;
  	      for (t1 = node.clauses, t2 = t1.length, _i = 0; _i < t2; ++_i)
  	        for (t3 = t1[_i].children, t4 = t3.length, _i0 = 0; _i0 < t4; ++_i0)
  	          t3[_i0].accept$1(this);
  	      _0_0 = node.lastClause;
  	      if (_0_0 != null)
  	        for (t1 = _0_0.children, t2 = t1.length, _i = 0; _i < t2; ++_i)
  	          t1[_i].accept$1(this);
  	    },
  	    visitImportRule$1(_, node) {
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return A.NullableExtension_andThen(node.content, this.get$visitContentBlock(this));
  	    },
  	    visitLoudComment$1(_, node) {
  	    },
  	    visitMediaRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return null;
  	    },
  	    visitReturnRule$1(_, node) {
  	    },
  	    visitSilentComment$1(_, node) {
  	    },
  	    visitStyleRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitStylesheet$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitUseRule$1(_, node) {
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	    },
  	    visitWarnRule$1(_, node) {
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitChildren$1(children) {
  	      var t1;
  	      for (t1 = J.get$iterator$ax(children); t1.moveNext$0();)
  	        t1.get$current(t1).accept$1(this);
  	    }
  	  };
  	  A.ReplaceExpressionVisitor.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return new A.BinaryOperationExpression(node.operator, node.left.accept$1(this), node.right.accept$1(this), false);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return node;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return node;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      var t1 = node.originalName,
  	        t2 = this.visitArgumentList$1(node.$arguments);
  	      return new A.FunctionExpression(node.namespace, A.stringReplaceAllUnchecked(t1, "_", "-"), t1, t2, node.span);
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return new A.InterpolatedFunctionExpression(this.visitInterpolation$1(node.name), this.visitArgumentList$1(node.$arguments), node.span);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return new A.LegacyIfExpression(this.visitArgumentList$1(node.$arguments), node.span);
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return new A.ListExpression(A.List_List$unmodifiable(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitListExpression_closure(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Expression>")), type$.Expression), node.separator, node.hasBrackets, node.span);
  	    },
  	    visitMapExpression$1(_, node) {
  	      var t2, t3, _i, t4,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_Expression_and_Expression);
  	      for (t2 = node.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        t1.push(new A._Record_2(t4._0.accept$1(this), t4._1.accept$1(this)));
  	      }
  	      return new A.MapExpression(A.List_List$unmodifiable(t1, type$.Record_2_Expression_and_Expression), node.span);
  	    },
  	    visitNullExpression$1(_, node) {
  	      return node;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return node;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return new A.ParenthesizedExpression(node.expression.accept$1(this), node.span);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return node;
  	    },
  	    visitStringExpression$1(_, node) {
  	      return new A.StringExpression(this.visitInterpolation$1(node.text), node.hasQuotes);
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return new A.SupportsExpression(this.visitSupportsCondition$1(node.condition));
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return new A.UnaryOperationExpression(node.operator, node.operand.accept$1(this), node.span);
  	    },
  	    visitValueExpression$1(_, node) {
  	      return node;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return node;
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return new A.IfConditionParenthesized(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return new A.IfConditionNegation(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      var t1 = node.expressions;
  	      return A.IfConditionOperation$(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitIfConditionOperation_closure(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,IfConditionExpression>")), node.op);
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return new A.IfConditionFunction(this.visitInterpolation$1(node.name), this.visitInterpolation$1(node.$arguments), node.span);
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return new A.IfConditionSass(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return new A.IfConditionRaw(this.visitInterpolation$1(node.text));
  	    },
  	    visitArgumentList$1(invocation) {
  	      var _this = this,
  	        t1 = invocation.positional,
  	        t2 = type$.String,
  	        t3 = type$.Expression,
  	        t4 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	      for (t2 = A.MapExtensions_get_pairs(invocation.named, t2, t3), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t4.$indexSet(0, t3._0, t3._1.accept$1(_this));
  	      }
  	      t2 = invocation.rest;
  	      t2 = t2 == null ? null : t2.accept$1(_this);
  	      t3 = invocation.keywordRest;
  	      t3 = t3 == null ? null : t3.accept$1(_this);
  	      return A.ArgumentList$(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitArgumentList_closure(_this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Expression>")), t4, invocation.namedSpans, invocation.span, t3, t2);
  	    },
  	    visitSupportsCondition$1(condition) {
  	      var _this = this;
  	      if (condition instanceof A.SupportsOperation)
  	        return new A.SupportsOperation(_this.visitSupportsCondition$1(condition.left), _this.visitSupportsCondition$1(condition.right), condition.operator, condition.span);
  	      else if (condition instanceof A.SupportsNegation)
  	        return new A.SupportsNegation(_this.visitSupportsCondition$1(condition.condition), condition.span);
  	      else if (condition instanceof A.SupportsInterpolation)
  	        return new A.SupportsInterpolation(condition.expression.accept$1(_this), condition.span);
  	      else if (condition instanceof A.SupportsDeclaration)
  	        return new A.SupportsDeclaration(condition.name.accept$1(_this), condition.value.accept$1(_this), condition.span);
  	      else
  	        throw A.wrapException(A.SassException$("BUG: Unknown SupportsCondition " + condition.toString$0(0) + ".", condition.get$span(condition), null));
  	    },
  	    visitInterpolation$1(interpolation) {
  	      var t1 = interpolation.contents;
  	      return A.Interpolation$(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitInterpolation_closure(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Object>")), interpolation.spans, interpolation.span);
  	    }
  	  };
  	  A.ReplaceExpressionVisitor_visitListExpression_closure.prototype = {
  	    call$1(item) {
  	      return item.accept$1(this.$this);
  	    },
  	    $signature: 194
  	  };
  	  A.ReplaceExpressionVisitor_visitIfConditionOperation_closure.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 279
  	  };
  	  A.ReplaceExpressionVisitor_visitArgumentList_closure.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 194
  	  };
  	  A.ReplaceExpressionVisitor_visitInterpolation_closure.prototype = {
  	    call$1(node) {
  	      return node instanceof A.Expression ? node.accept$1(this.$this) : node;
  	    },
  	    $signature: 75
  	  };
  	  A.SelectorSearchVisitor.prototype = {
  	    visitAttributeSelector$1(_, attribute) {
  	      return null;
  	    },
  	    visitClassSelector$1(_, klass) {
  	      return null;
  	    },
  	    visitIDSelector$1(_, id) {
  	      return null;
  	    },
  	    visitParentSelector$1(_, placeholder) {
  	      return null;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return null;
  	    },
  	    visitTypeSelector$1(_, type) {
  	      return null;
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      return null;
  	    },
  	    visitComplexSelector$1(complex) {
  	      return A.IterableExtension_search(complex.components, new A.SelectorSearchVisitor_visitComplexSelector_closure(this));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      return A.IterableExtension_search(compound.components, new A.SelectorSearchVisitor_visitCompoundSelector_closure(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      return A.NullableExtension_andThen(pseudo.selector, this.get$visitSelectorList());
  	    },
  	    visitSelectorList$1(list) {
  	      return A.IterableExtension_search(list.components, this.get$visitComplexSelector());
  	    }
  	  };
  	  A.SelectorSearchVisitor_visitComplexSelector_closure.prototype = {
  	    call$1(component) {
  	      return this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("SelectorSearchVisitor.T?(ComplexSelectorComponent)");
  	    }
  	  };
  	  A.SelectorSearchVisitor_visitCompoundSelector_closure.prototype = {
  	    call$1(simple) {
  	      return simple.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("SelectorSearchVisitor.T?(SimpleSelector)");
  	    }
  	  };
  	  A.serialize_closure.prototype = {
  	    call$1(codeUnit) {
  	      return codeUnit > 127;
  	    },
  	    $signature: 50
  	  };
  	  A._SerializeVisitor.prototype = {
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3, t4, t5, t6, previous, previous0, t7, _this = this;
  	      for (t1 = J.get$iterator$ax(node.get$children(node)), t2 = !_this._inspect, t3 = _this._style === B.OutputStyle_1, t4 = !t3, t5 = type$.CssParentNode, t6 = _this._serialize$_buffer, previous = null; t1.moveNext$0();) {
  	        previous0 = t1.get$current(t1);
  	        if (t2)
  	          t7 = t3 ? previous0.accept$1(B._IsInvisibleVisitor_true_true) : previous0.accept$1(B._IsInvisibleVisitor_true_false);
  	        else
  	          t7 = false;
  	        if (t7)
  	          continue;
  	        if (previous != null) {
  	          if (t5._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment))
  	            t6.writeCharCode$1(59);
  	          if (_this._isTrailingComment$2(previous0, previous)) {
  	            if (t4)
  	              t6.writeCharCode$1(32);
  	          } else {
  	            if (t4)
  	              t6.write$1(0, "\n");
  	            if (previous.get$isGroupEnd())
  	              if (t4)
  	                t6.write$1(0, "\n");
  	          }
  	        }
  	        previous0.accept$1(_this);
  	        previous = previous0;
  	      }
  	      if (previous != null)
  	        t1 = (t5._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment)) && t4;
  	      else
  	        t1 = false;
  	      if (t1)
  	        t6.writeCharCode$1(59);
  	    },
  	    visitCssComment$1(node) {
  	      this._serialize$_buffer.forSpan$2(node.span, new A._SerializeVisitor_visitCssComment_closure(this, node));
  	    },
  	    visitCssAtRule$1(node) {
  	      var t1, _this = this;
  	      _this._writeIndentation$0();
  	      t1 = _this._serialize$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssAtRule_closure(_this, node));
  	      if (!node.isChildless) {
  	        if (_this._style !== B.OutputStyle_1)
  	          t1.writeCharCode$1(32);
  	        _this._serialize$_visitChildren$1(node);
  	      }
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1, _this = this;
  	      _this._writeIndentation$0();
  	      t1 = _this._serialize$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssMediaRule_closure(_this, node));
  	      if (_this._style !== B.OutputStyle_1)
  	        t1.writeCharCode$1(32);
  	      _this._serialize$_visitChildren$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      this._writeIndentation$0();
  	      this._serialize$_buffer.forSpan$2(node.span, new A._SerializeVisitor_visitCssImport_closure(this, node));
  	    },
  	    _writeImportUrl$1(url) {
  	      var urlContents, maybeQuote, _this = this;
  	      if (_this._style !== B.OutputStyle_1 || url.charCodeAt(0) !== 117) {
  	        _this._serialize$_buffer.write$1(0, url);
  	        return;
  	      }
  	      urlContents = B.JSString_methods.substring$2(url, 4, url.length - 1);
  	      maybeQuote = urlContents.charCodeAt(0);
  	      if (maybeQuote === 39 || maybeQuote === 34)
  	        _this._serialize$_buffer.write$1(0, urlContents);
  	      else
  	        _this._visitQuotedString$1(urlContents);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      var t1, _this = this;
  	      _this._writeIndentation$0();
  	      t1 = _this._serialize$_buffer;
  	      t1.forSpan$2(node.selector.span, new A._SerializeVisitor_visitCssKeyframeBlock_closure(_this, node));
  	      if (_this._style !== B.OutputStyle_1)
  	        t1.writeCharCode$1(32);
  	      _this._serialize$_visitChildren$1(node);
  	    },
  	    _visitMediaQuery$1(query) {
  	      var t1, _1_0, _2_0, condition, operator, t2, _this = this,
  	        _0_0 = query.modifier;
  	      if (_0_0 != null) {
  	        t1 = _this._serialize$_buffer;
  	        t1.write$1(0, _0_0);
  	        t1.writeCharCode$1(32);
  	      }
  	      _1_0 = query.type;
  	      if (_1_0 != null) {
  	        t1 = _this._serialize$_buffer;
  	        t1.write$1(0, _1_0);
  	        if (query.conditions.length !== 0)
  	          t1.write$1(0, " and ");
  	      }
  	      _2_0 = query.conditions;
  	      if (_2_0.length === 1)
  	        t1 = B.JSString_methods.startsWith$1(_2_0[0], "(not ");
  	      else
  	        t1 = false;
  	      if (t1) {
  	        t1 = _this._serialize$_buffer;
  	        t1.write$1(0, "not ");
  	        condition = B.JSArray_methods.get$first(_2_0);
  	        t1.write$1(0, B.JSString_methods.substring$2(condition, 5, condition.length - 1));
  	      } else {
  	        operator = query.conjunction ? "and" : "or";
  	        t1 = _this._style === B.OutputStyle_1 ? operator + " " : " " + operator + " ";
  	        t2 = _this._serialize$_buffer;
  	        _this._writeBetween$3(_2_0, t1, t2.get$write(t2));
  	      }
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1, _this = this;
  	      _this._writeIndentation$0();
  	      t1 = _this._serialize$_buffer;
  	      t1.forSpan$2(node._style_rule$_selector._box$_inner.value.span, new A._SerializeVisitor_visitCssStyleRule_closure(_this, node));
  	      if (_this._style !== B.OutputStyle_1)
  	        t1.writeCharCode$1(32);
  	      _this._serialize$_visitChildren$1(node);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var t1, _this = this;
  	      _this._writeIndentation$0();
  	      t1 = _this._serialize$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssSupportsRule_closure(_this, node));
  	      if (_this._style !== B.OutputStyle_1)
  	        t1.writeCharCode$1(32);
  	      _this._serialize$_visitChildren$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      var error, stackTrace, error0, stackTrace0, t1, _this = this;
  	      _this._writeIndentation$0();
  	      _this._serialize$_write$1(node.name);
  	      t1 = _this._serialize$_buffer;
  	      t1.writeCharCode$1(58);
  	      if (!node.parsedAsSassScript)
  	        t1.forSpan$2(node.value.span, new A._SerializeVisitor_visitCssDeclaration_closure(_this, node));
  	      else {
  	        if (_this._style !== B.OutputStyle_1)
  	          t1.writeCharCode$1(32);
  	        try {
  	          t1.forSpan$2(node.valueSpanForMap, new A._SerializeVisitor_visitCssDeclaration_closure0(_this, node));
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (t1 instanceof A.MultiSpanSassScriptException) {
  	            error = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            A.throwWithTrace(A.MultiSpanSassException$(error.message, node.value.span, error.primaryLabel, error.secondarySpans, null), error, stackTrace);
  	          } else if (t1 instanceof A.SassScriptException) {
  	            error0 = t1;
  	            stackTrace0 = A.getTraceFromException(exception);
  	            t1 = error0.message;
  	            A.throwWithTrace(new A.SassException(B.Set_empty, t1, node.value.span), error0, stackTrace0);
  	          } else
  	            throw exception;
  	        }
  	      }
  	    },
  	    _writeFoldedValue$1(node) {
  	      var t1, t2, next, t3,
  	        scanner = A.StringScanner$(type$.SassString._as(node.value.value)._string$_text, null, null);
  	      for (t1 = scanner.string.length, t2 = this._serialize$_buffer; scanner._string_scanner$_position !== t1;) {
  	        next = scanner.readChar$0();
  	        if (next !== 10) {
  	          t2.writeCharCode$1(next);
  	          continue;
  	        }
  	        t2.writeCharCode$1(32);
  	        for (;;) {
  	          t3 = scanner.peekChar$0();
  	          if (!(t3 === 32 || t3 === 9 || t3 === 10 || t3 === 13 || t3 === 12))
  	            break;
  	          scanner.readChar$0();
  	        }
  	      }
  	    },
  	    _writeReindentedValue$1(node) {
  	      var _0_0, t1, _this = this,
  	        value = type$.SassString._as(node.value.value)._string$_text;
  	      $label0$0: {
  	        _0_0 = _this._minimumIndentation$1(value);
  	        if (_0_0 == null) {
  	          _this._serialize$_buffer.write$1(0, value);
  	          break $label0$0;
  	        }
  	        if (-1 === _0_0) {
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, A.trimAsciiRight(value, true));
  	          t1.writeCharCode$1(32);
  	          break $label0$0;
  	        }
  	        t1 = node.name.span;
  	        t1 = t1.get$start(t1);
  	        _this._writeWithIndent$2(value, Math.min(_0_0, t1.file.getColumn$1(t1.offset)));
  	      }
  	    },
  	    _minimumIndentation$1(text) {
  	      var character, t2, min, next, min0,
  	        scanner = A.LineScanner$(text),
  	        t1 = scanner.string.length;
  	      for (;;) {
  	        if (scanner._string_scanner$_position !== t1) {
  	          character = scanner.super$StringScanner$readChar();
  	          scanner._adjustLineAndColumn$1(character);
  	          t2 = character !== 10;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	      }
  	      if (scanner._string_scanner$_position === t1)
  	        return scanner.peekChar$1(-1) === 10 ? -1 : null;
  	      for (min = null; scanner._string_scanner$_position !== t1;) {
  	        while (scanner._string_scanner$_position !== t1) {
  	          next = scanner.peekChar$0();
  	          if (next !== 32 && next !== 9)
  	            break;
  	          scanner._adjustLineAndColumn$1(scanner.super$StringScanner$readChar());
  	        }
  	        if (scanner._string_scanner$_position === t1 || scanner.scanChar$1(10))
  	          continue;
  	        min0 = scanner._line_scanner$_column;
  	        min = min == null ? min0 : Math.min(min, min0);
  	        for (;;) {
  	          if (scanner._string_scanner$_position !== t1) {
  	            character = scanner.super$StringScanner$readChar();
  	            scanner._adjustLineAndColumn$1(character);
  	            t2 = character !== 10;
  	          } else
  	            t2 = false;
  	          if (!t2)
  	            break;
  	        }
  	      }
  	      return min == null ? -1 : min;
  	    },
  	    _writeWithIndent$2(text, minimumIndentation) {
  	      var t1, t2, t3, character, lineStart, newlines, end,
  	        scanner = A.LineScanner$(text);
  	      for (t1 = scanner.string, t2 = t1.length, t3 = this._serialize$_buffer; scanner._string_scanner$_position !== t2;) {
  	        character = scanner.super$StringScanner$readChar();
  	        scanner._adjustLineAndColumn$1(character);
  	        if (character === 10)
  	          break;
  	        t3.writeCharCode$1(character);
  	      }
  	      for (;;) {
  	        lineStart = scanner._string_scanner$_position;
  	        for (newlines = 1;;) {
  	          if (scanner._string_scanner$_position === t2) {
  	            t3.writeCharCode$1(32);
  	            return;
  	          }
  	          $label0$2: {
  	            character = scanner.super$StringScanner$readChar();
  	            scanner._adjustLineAndColumn$1(character);
  	            if (32 === character || 9 === character)
  	              continue;
  	            if (10 === character) {
  	              lineStart = scanner._string_scanner$_position;
  	              ++newlines;
  	              break $label0$2;
  	            }
  	            break;
  	          }
  	        }
  	        this._writeTimes$2(10, newlines);
  	        this._writeIndentation$0();
  	        end = scanner._string_scanner$_position;
  	        t3.write$1(0, B.JSString_methods.substring$2(t1, lineStart + minimumIndentation, end));
  	        for (;;) {
  	          if (scanner._string_scanner$_position === t2)
  	            return;
  	          character = scanner.super$StringScanner$readChar();
  	          scanner._adjustLineAndColumn$1(character);
  	          if (character === 10)
  	            break;
  	          t3.writeCharCode$1(character);
  	        }
  	      }
  	    },
  	    visitCalculation$1(value) {
  	      var t2, _this = this,
  	        t1 = _this._serialize$_buffer;
  	      t1.write$1(0, value.name);
  	      t1.writeCharCode$1(40);
  	      t2 = _this._style === B.OutputStyle_1 ? "," : ", ";
  	      _this._writeBetween$3(value.$arguments, t2, _this.get$_writeCalculationValue());
  	      t1.writeCharCode$1(41);
  	    },
  	    _writeCalculationValue$1(value) {
  	      var t1, _0_0, _1_0, first, rest, left, right, operator, parenthesizeLeft, operatorWhitespace, parenthesizeRight, t2, _this = this;
  	      $label1$1: {
  	        t1 = value instanceof A.SassNumber;
  	        if (t1 && !isFinite(value._number$_value)) {
  	          $label0$0: {
  	            _0_0 = value._number$_value;
  	            if (1 / 0 === _0_0) {
  	              _this._serialize$_buffer.write$1(0, "infinity");
  	              break $label0$0;
  	            }
  	            if (-1 / 0 === _0_0) {
  	              _this._serialize$_buffer.write$1(0, "-infinity");
  	              break $label0$0;
  	            }
  	            if (isNaN(_0_0))
  	              _this._serialize$_buffer.write$1(0, "NaN");
  	          }
  	          _this._writeCalculationUnits$2(value.get$numeratorUnits(value), value.get$denominatorUnits(value));
  	          break $label1$1;
  	        }
  	        if (t1 && value.get$hasComplexUnits()) {
  	          _this._writeNumber$1(value._number$_value);
  	          _1_0 = value.get$numeratorUnits(value);
  	          if (_1_0.length >= 1) {
  	            first = _1_0[0];
  	            rest = B.JSArray_methods.sublist$1(_1_0, 1);
  	            _this._serialize$_buffer.write$1(0, first);
  	            _this._writeCalculationUnits$2(rest, value.get$denominatorUnits(value));
  	          } else
  	            _this._writeCalculationUnits$2(A._setArrayType([], type$.JSArray_String), value.get$denominatorUnits(value));
  	          break $label1$1;
  	        }
  	        if (value instanceof A.Value) {
  	          value.accept$1(_this);
  	          break $label1$1;
  	        }
  	        t1 = value instanceof A.CalculationOperation;
  	        left = null;
  	        right = null;
  	        if (t1) {
  	          operator = value._operator;
  	          left = value._left;
  	          right = value._right;
  	        } else
  	          operator = null;
  	        if (t1) {
  	          parenthesizeLeft = left instanceof A.CalculationOperation && left._operator.precedence < operator.precedence;
  	          if (parenthesizeLeft)
  	            _this._serialize$_buffer.writeCharCode$1(40);
  	          _this._writeCalculationValue$1(left);
  	          if (parenthesizeLeft)
  	            _this._serialize$_buffer.writeCharCode$1(41);
  	          operatorWhitespace = _this._style !== B.OutputStyle_1 || operator.precedence === 1;
  	          if (operatorWhitespace)
  	            _this._serialize$_buffer.writeCharCode$1(32);
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, operator.operator);
  	          if (operatorWhitespace)
  	            t1.writeCharCode$1(32);
  	          if (!(right instanceof A.CalculationOperation && _this._parenthesizeCalculationRhs$2(operator, right._operator))) {
  	            parenthesizeRight = false;
  	            if (operator === B.CalculationOperator_wFL) {
  	              if (right instanceof A.SassNumber)
  	                t2 = isFinite(right._number$_value) ? right.get$hasComplexUnits() : right.get$hasUnits();
  	              else
  	                t2 = parenthesizeRight;
  	              parenthesizeRight = t2;
  	            }
  	          } else
  	            parenthesizeRight = true;
  	          if (parenthesizeRight)
  	            t1.writeCharCode$1(40);
  	          _this._writeCalculationValue$1(right);
  	          if (parenthesizeRight)
  	            t1.writeCharCode$1(41);
  	        }
  	      }
  	    },
  	    _writeCalculationUnits$2(numeratorUnits, denominatorUnits) {
  	      var t1, t2, t3, t4;
  	      for (t1 = J.get$iterator$ax(numeratorUnits), t2 = this._serialize$_buffer, t3 = this._style !== B.OutputStyle_1; t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(42);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(49);
  	        t2.write$1(0, t4);
  	      }
  	      for (t1 = J.get$iterator$ax(denominatorUnits); t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(47);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(49);
  	        t2.write$1(0, t4);
  	      }
  	    },
  	    _parenthesizeCalculationRhs$2(outer, right) {
  	      var t1;
  	      $label0$0: {
  	        if (B.CalculationOperator_wFL === outer) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (B.CalculationOperator_dpX === outer) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = right === B.CalculationOperator_dpX || right === B.CalculationOperator_KrC;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    visitColor$1(value) {
  	      var _0_0, _0_2, _0_6, t1, _0_4, _0_6_isSet, t2, _0_10_isSet, _0_10, _0_12_isSet, _0_14, _0_12, _0_14_isSet, t3, _0_10_isSet0, polar, t4, t5, _this = this, _null = null;
  	      $label0$0: {
  	        _0_0 = value._space;
  	        _0_2 = B.RgbColorSpace_i0P === _0_0;
  	        _0_6 = _null;
  	        t1 = true;
  	        if (!_0_2) {
  	          _0_4 = B.HslColorSpace_JQ2 === _0_0;
  	          _0_6_isSet = !_0_4;
  	          if (_0_6_isSet) {
  	            _0_6 = B.HwbColorSpace_guQ === _0_0;
  	            t1 = _0_6;
  	          }
  	        } else {
  	          _0_4 = _null;
  	          _0_6_isSet = false;
  	        }
  	        if (t1 && value.channel0OrNull != null && value.channel1OrNull != null && value.channel2OrNull != null && value.alphaOrNull != null) {
  	          _this._writeLegacyColor$1(value);
  	          break $label0$0;
  	        }
  	        if (_0_2) {
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, "rgb(");
  	          _this._writeChannel$1(value.channel0OrNull);
  	          t1.writeCharCode$1(32);
  	          _this._writeChannel$1(value.channel1OrNull);
  	          t1.writeCharCode$1(32);
  	          _this._writeChannel$1(value.channel2OrNull);
  	          _this._maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        if (!_0_4)
  	          t1 = _0_6_isSet ? _0_6 : B.HwbColorSpace_guQ === _0_0;
  	        else
  	          t1 = true;
  	        if (t1) {
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, _0_0);
  	          t1.writeCharCode$1(40);
  	          t2 = _this._style === B.OutputStyle_1 ? _null : "deg";
  	          _this._writeChannel$2(value.channel0OrNull, t2);
  	          t1.writeCharCode$1(32);
  	          _this._writeChannel$2(value.channel1OrNull, "%");
  	          t1.writeCharCode$1(32);
  	          _this._writeChannel$2(value.channel2OrNull, "%");
  	          _this._maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        _0_10_isSet = B.LabColorSpace_2nT !== _0_0;
  	        if (_0_10_isSet) {
  	          _0_10 = B.LchColorSpace_Bpv === _0_0;
  	          t1 = _0_10;
  	        } else {
  	          _0_10 = _null;
  	          t1 = true;
  	        }
  	        t2 = false;
  	        if (t1)
  	          if (!_this._inspect) {
  	            t1 = value.channel0OrNull;
  	            if (t1 == null)
  	              t1 = 0;
  	            if (t1 > 0 || A.fuzzyEquals(t1, 0))
  	              t1 = t1 < 100 || A.fuzzyEquals(t1, 100);
  	            else
  	              t1 = false;
  	            t1 = !t1 && value.channel1OrNull != null && value.channel2OrNull != null;
  	          } else
  	            t1 = t2;
  	        else
  	          t1 = t2;
  	        _0_12_isSet = !t1;
  	        _0_14 = _null;
  	        if (_0_12_isSet) {
  	          _0_12 = B.OklabColorSpace_540 === _0_0;
  	          t1 = false;
  	          _0_14_isSet = !_0_12;
  	          if (_0_14_isSet) {
  	            _0_14 = B.OklchColorSpace_9Gj === _0_0;
  	            t2 = _0_14;
  	          } else
  	            t2 = true;
  	          t3 = false;
  	          if (t2)
  	            if (!_this._inspect) {
  	              t2 = value.channel0OrNull;
  	              if (t2 == null)
  	                t2 = 0;
  	              if (t2 > 0 || A.fuzzyEquals(t2, 0))
  	                t2 = t2 < 1 || A.fuzzyEquals(t2, 1);
  	              else
  	                t2 = false;
  	              t2 = !t2 && value.channel1OrNull != null && value.channel2OrNull != null;
  	            } else
  	              t2 = t3;
  	          else
  	            t2 = t3;
  	          if (!t2) {
  	            if (_0_10_isSet) {
  	              t2 = _0_10;
  	              _0_10_isSet0 = _0_10_isSet;
  	            } else {
  	              _0_10 = B.LchColorSpace_Bpv === _0_0;
  	              t2 = _0_10;
  	              _0_10_isSet0 = true;
  	            }
  	            if (!t2)
  	              if (_0_14_isSet)
  	                t2 = _0_14;
  	              else {
  	                _0_14 = B.OklchColorSpace_9Gj === _0_0;
  	                t2 = _0_14;
  	                _0_14_isSet = true;
  	              }
  	            else
  	              t2 = true;
  	            if (t2)
  	              if (!_this._inspect) {
  	                t1 = value.channel1OrNull;
  	                t2 = t1 == null;
  	                if (t2)
  	                  t1 = 0;
  	                t1 = t1 < 0 && !A.fuzzyEquals(t1, 0) && value.channel0OrNull != null && !t2;
  	              }
  	          } else {
  	            _0_10_isSet0 = _0_10_isSet;
  	            t1 = true;
  	          }
  	        } else {
  	          _0_12 = _null;
  	          _0_10_isSet0 = _0_10_isSet;
  	          _0_14_isSet = false;
  	          t1 = true;
  	        }
  	        if (t1) {
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, "color-mix(in ");
  	          t1.write$1(0, _0_0);
  	          t2 = _this._style === B.OutputStyle_1;
  	          t1.write$1(0, t2 ? "," : ", ");
  	          _this._writeColorFunction$1(value.toSpace$1(B.XyzD65ColorSpace_WiJ));
  	          if (!t2)
  	            t1.writeCharCode$1(32);
  	          t1.write$1(0, "100%");
  	          t1.write$1(0, t2 ? "," : ", ");
  	          t1.write$1(0, t2 ? "red" : "black");
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        if (_0_10_isSet)
  	          if (!(_0_12_isSet ? _0_12 : B.OklabColorSpace_540 === _0_0))
  	            if (!(_0_10_isSet0 ? _0_10 : B.LchColorSpace_Bpv === _0_0))
  	              t1 = _0_14_isSet ? _0_14 : B.OklchColorSpace_9Gj === _0_0;
  	        if (t1) {
  	          t1 = _this._serialize$_buffer;
  	          t1.write$1(0, _0_0);
  	          t1.writeCharCode$1(40);
  	          t2 = _0_0._channels;
  	          polar = t2[2].isPolarAngle;
  	          t3 = false;
  	          if (!_this._inspect) {
  	            t4 = value.channel0OrNull;
  	            if (t4 == null)
  	              t4 = 0;
  	            if (t4 > 0 || A.fuzzyEquals(t4, 0))
  	              t4 = t4 < 100 || A.fuzzyEquals(t4, 100);
  	            else
  	              t4 = false;
  	            if (t4) {
  	              if (polar) {
  	                t3 = value.channel1OrNull;
  	                if (t3 == null)
  	                  t3 = 0;
  	                t3 = t3 < 0 && !A.fuzzyEquals(t3, 0);
  	              }
  	            } else
  	              t3 = true;
  	          }
  	          if (t3) {
  	            t1.write$1(0, "from ");
  	            t1.write$1(0, _this._style === B.OutputStyle_1 ? "red" : "black");
  	            t1.writeCharCode$1(32);
  	          }
  	          t3 = _this._style !== B.OutputStyle_1;
  	          t4 = t3 && value.channel0OrNull != null;
  	          t5 = value.channel0OrNull;
  	          if (t4) {
  	            t2 = type$.LinearChannel._as(t2[0]);
  	            _this._writeNumber$1((t5 == null ? 0 : t5) * 100 / t2.max);
  	            t1.writeCharCode$1(37);
  	          } else
  	            _this._writeChannel$1(t5);
  	          t1.writeCharCode$1(32);
  	          _this._writeChannel$1(value.channel1OrNull);
  	          t1.writeCharCode$1(32);
  	          t2 = polar && t3 ? "deg" : _null;
  	          _this._writeChannel$2(value.channel2OrNull, t2);
  	          _this._maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        _this._writeColorFunction$1(value);
  	      }
  	    },
  	    _writeChannel$2(channel, unit) {
  	      var _this = this;
  	      if (channel == null)
  	        _this._serialize$_buffer.write$1(0, "none");
  	      else if (isFinite(channel)) {
  	        _this._writeNumber$1(channel);
  	        if (unit != null)
  	          _this._serialize$_buffer.write$1(0, unit);
  	      } else
  	        _this.visitNumber$1(A.SassNumber_SassNumber(channel, unit));
  	    },
  	    _writeChannel$1(channel) {
  	      return this._writeChannel$2(channel, null);
  	    },
  	    _writeLegacyColor$1(color) {
  	      var rgb, t3, red, green, blue, hsl, hue, saturation, lightness, hwb, _0_0, format, _1_0, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals(t2 ? 0 : t1, 1);
  	      if (!color.get$isInGamut() && !_this._inspect) {
  	        _this._writeHsl$1(color);
  	        return;
  	      }
  	      if (_this._style === B.OutputStyle_1) {
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P);
  	        if (opaque && _this._tryIntegerRgb$1(rgb))
  	          return;
  	        t3 = rgb.channel0OrNull;
  	        red = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = rgb.channel1OrNull;
  	        green = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = rgb.channel2OrNull;
  	        blue = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ2);
  	        t3 = hsl.channel0OrNull;
  	        hue = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = hsl.channel1OrNull;
  	        saturation = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = hsl.channel2OrNull;
  	        lightness = _this._writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = _this._serialize$_buffer;
  	        if (red.length + green.length + blue.length <= hue.length + saturation.length + lightness.length + 2) {
  	          t3.write$1(0, opaque ? "rgb(" : "rgba(");
  	          t3.write$1(0, red);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, green);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, blue);
  	        } else {
  	          t3.write$1(0, opaque ? "hsl(" : "hsla(");
  	          t3.write$1(0, hue);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, saturation);
  	          t3.write$1(0, "%,");
  	          t3.write$1(0, lightness);
  	          t3.writeCharCode$1(37);
  	        }
  	        if (!opaque) {
  	          t3.writeCharCode$1(44);
  	          _this._writeNumber$1(t2 ? 0 : t1);
  	        }
  	        t3.writeCharCode$1(41);
  	        return;
  	      }
  	      t3 = color._space;
  	      if (t3 === B.HslColorSpace_JQ2) {
  	        _this._writeHsl$1(color);
  	        return;
  	      } else if (_this._inspect && t3 === B.HwbColorSpace_guQ) {
  	        t3 = _this._serialize$_buffer;
  	        t3.write$1(0, "hwb(");
  	        hwb = color.toSpace$1(B.HwbColorSpace_guQ);
  	        _this._writeNumber$1(hwb.channel$1(0, "hue"));
  	        t3.writeCharCode$1(32);
  	        _this._writeNumber$1(hwb.channel$1(0, "whiteness"));
  	        t3.writeCharCode$1(37);
  	        t3.writeCharCode$1(32);
  	        _this._writeNumber$1(hwb.channel$1(0, "blackness"));
  	        t3.writeCharCode$1(37);
  	        if (!A.fuzzyEquals(t2 ? 0 : t1, 1)) {
  	          t3.write$1(0, " / ");
  	          _this._writeNumber$1(t2 ? 0 : t1);
  	        }
  	        t3.writeCharCode$1(41);
  	        return;
  	      }
  	      _0_0 = color.format;
  	      if (B.C__ColorFormatEnum === _0_0) {
  	        _this._writeRgb$1(color);
  	        return;
  	      }
  	      t1 = _0_0 instanceof A.SpanColorFormat;
  	      format = t1 ? _0_0 : null;
  	      if (t1) {
  	        _this._serialize$_buffer.write$1(0, format._color$_span.get$text());
  	        return;
  	      }
  	      if (opaque) {
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P);
  	        _1_0 = $.$get$namesByColor().$index(0, rgb);
  	        if (_1_0 != null) {
  	          _this._serialize$_buffer.write$1(0, _1_0);
  	          return;
  	        }
  	        if (_this._canUseHex$1(rgb)) {
  	          _this._serialize$_buffer.writeCharCode$1(35);
  	          t1 = rgb.channel0OrNull;
  	          _this._writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          t1 = rgb.channel1OrNull;
  	          _this._writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          t1 = rgb.channel2OrNull;
  	          _this._writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          return;
  	        }
  	      }
  	      if (t3 === B.HwbColorSpace_guQ)
  	        _this._writeHsl$1(color);
  	      else
  	        _this._writeRgb$1(color);
  	    },
  	    _tryIntegerRgb$1(rgb) {
  	      var t1, redInt, greenInt, blueInt, shortHex, _0_0, t2, t3, $name, _this = this;
  	      if (!_this._canUseHex$1(rgb))
  	        return false;
  	      t1 = rgb.channel0OrNull;
  	      redInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = rgb.channel1OrNull;
  	      greenInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = rgb.channel2OrNull;
  	      blueInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = redInt & 15;
  	      shortHex = t1 === B.JSInt_methods._shrOtherPositive$1(redInt, 4) && (greenInt & 15) === B.JSInt_methods._shrOtherPositive$1(greenInt, 4) && (blueInt & 15) === B.JSInt_methods._shrOtherPositive$1(blueInt, 4);
  	      _0_0 = $.$get$namesByColor().$index(0, rgb);
  	      t2 = false;
  	      if (_0_0 != null) {
  	        t3 = _0_0.length;
  	        t2 = t3 <= (shortHex ? 4 : 7);
  	        $name = _0_0;
  	      } else
  	        $name = null;
  	      if (t2)
  	        _this._serialize$_buffer.write$1(0, $name);
  	      else {
  	        t2 = _this._serialize$_buffer;
  	        if (shortHex) {
  	          t2.writeCharCode$1(35);
  	          t2.writeCharCode$1(A.hexCharFor(t1));
  	          t2.writeCharCode$1(A.hexCharFor(greenInt & 15));
  	          t2.writeCharCode$1(A.hexCharFor(blueInt & 15));
  	        } else {
  	          t2.writeCharCode$1(35);
  	          _this._writeHexComponent$1(redInt);
  	          _this._writeHexComponent$1(greenInt);
  	          _this._writeHexComponent$1(blueInt);
  	        }
  	      }
  	      return true;
  	    },
  	    _canUseHex$1(rgb) {
  	      var t2,
  	        t1 = rgb.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      if (A.fuzzyIsInt(t1))
  	        t1 = (t1 > 0 || A.fuzzyEquals(t1, 0)) && t1 < 256 && !A.fuzzyEquals(t1, 256);
  	      else
  	        t1 = false;
  	      t2 = false;
  	      if (t1) {
  	        t1 = rgb.channel1OrNull;
  	        if (t1 == null)
  	          t1 = 0;
  	        if (A.fuzzyIsInt(t1))
  	          t1 = (t1 > 0 || A.fuzzyEquals(t1, 0)) && t1 < 256 && !A.fuzzyEquals(t1, 256);
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = rgb.channel2OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          if (A.fuzzyIsInt(t1))
  	            t1 = (t1 > 0 || A.fuzzyEquals(t1, 0)) && t1 < 256 && !A.fuzzyEquals(t1, 256);
  	          else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	      } else
  	        t1 = t2;
  	      return t1;
  	    },
  	    _writeRgb$1(color) {
  	      var t4, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals(t2 ? 0 : t1, 1),
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P),
  	        t3 = _this._serialize$_buffer;
  	      t3.write$1(0, opaque ? "rgb(" : "rgba(");
  	      _this._writeNumber$1(rgb.channel$1(0, "red"));
  	      t4 = _this._style === B.OutputStyle_1;
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._writeNumber$1(rgb.channel$1(0, "green"));
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._writeNumber$1(rgb.channel$1(0, "blue"));
  	      if (!opaque) {
  	        t3.write$1(0, t4 ? "," : ", ");
  	        _this._writeNumber$1(t2 ? 0 : t1);
  	      }
  	      t3.writeCharCode$1(41);
  	    },
  	    _writeHsl$1(color) {
  	      var t4, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals(t2 ? 0 : t1, 1),
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ2),
  	        t3 = _this._serialize$_buffer;
  	      t3.write$1(0, opaque ? "hsl(" : "hsla(");
  	      _this._writeChannel$1(hsl.channel$1(0, "hue"));
  	      t4 = _this._style === B.OutputStyle_1;
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._writeChannel$2(hsl.channel$1(0, "saturation"), "%");
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._writeChannel$2(hsl.channel$1(0, "lightness"), "%");
  	      if (!opaque) {
  	        t3.write$1(0, t4 ? "," : ", ");
  	        _this._writeNumber$1(t2 ? 0 : t1);
  	      }
  	      t3.writeCharCode$1(41);
  	    },
  	    _writeColorFunction$1(color) {
  	      var _this = this,
  	        t1 = _this._serialize$_buffer;
  	      t1.write$1(0, "color(");
  	      t1.write$1(0, color._space);
  	      t1.writeCharCode$1(32);
  	      _this._writeBetween$3(color.get$channelsOrNull(), " ", _this.get$_writeChannel());
  	      _this._maybeWriteSlashAlpha$1(color);
  	      t1.writeCharCode$1(41);
  	    },
  	    _writeHexComponent$1(color) {
  	      var t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(A.hexCharFor(B.JSInt_methods._shrOtherPositive$1(color, 4)));
  	      t1.writeCharCode$1(A.hexCharFor(color & 15));
  	    },
  	    _maybeWriteSlashAlpha$1(color) {
  	      var t2, t3, _this = this,
  	        t1 = color.alphaOrNull;
  	      if (A.fuzzyEquals(t1 == null ? 0 : t1, 1))
  	        return;
  	      t2 = _this._style !== B.OutputStyle_1;
  	      if (t2)
  	        _this._serialize$_buffer.writeCharCode$1(32);
  	      t3 = _this._serialize$_buffer;
  	      t3.writeCharCode$1(47);
  	      if (t2)
  	        t3.writeCharCode$1(32);
  	      _this._writeChannel$1(t1);
  	    },
  	    visitList$1(value) {
  	      var t2, singleton, t3, t4, t5, _this = this,
  	        t1 = value._hasBrackets;
  	      if (t1)
  	        _this._serialize$_buffer.writeCharCode$1(91);
  	      else if (value._list$_contents.length === 0) {
  	        if (!_this._inspect)
  	          throw A.wrapException(A.SassScriptException$("() isn't a valid CSS value.", null));
  	        _this._serialize$_buffer.write$1(0, "()");
  	        return;
  	      }
  	      t2 = _this._inspect;
  	      singleton = false;
  	      if (t2)
  	        if (value._list$_contents.length === 1) {
  	          t3 = value._separator;
  	          t3 = t3 === B.ListSeparator_z0K || t3 === B.ListSeparator_Lul;
  	          singleton = t3;
  	        }
  	      if (singleton && !t1)
  	        _this._serialize$_buffer.writeCharCode$1(40);
  	      t3 = value._list$_contents;
  	      t3 = t2 ? t3 : new A.WhereIterable(t3, new A._SerializeVisitor_visitList_closure(), A._arrayInstanceType(t3)._eval$1("WhereIterable<1>"));
  	      t4 = value._separator;
  	      t5 = _this._separatorString$1(t4);
  	      _this._writeBetween$3(t3, t5, t2 ? new A._SerializeVisitor_visitList_closure0(_this, value) : new A._SerializeVisitor_visitList_closure1(_this));
  	      if (singleton) {
  	        t2 = _this._serialize$_buffer;
  	        t2.write$1(0, t4.separator);
  	        if (!t1)
  	          t2.writeCharCode$1(41);
  	      }
  	      if (t1)
  	        _this._serialize$_buffer.writeCharCode$1(93);
  	    },
  	    _separatorString$1(separator) {
  	      var t1;
  	      $label0$0: {
  	        if (B.ListSeparator_z0K === separator) {
  	          t1 = this._style === B.OutputStyle_1 ? "," : ", ";
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_Lul === separator) {
  	          t1 = this._style === B.OutputStyle_1 ? "/" : " / ";
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_SrV === separator) {
  	          t1 = " ";
  	          break $label0$0;
  	        }
  	        t1 = "";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _elementNeedsParens$2(separator, value) {
  	      var t1;
  	      $label1$1: {
  	        if (value instanceof A.SassList && value._list$_contents.length > 1 && !value._hasBrackets) {
  	          $label0$0: {
  	            if (B.ListSeparator_z0K === separator) {
  	              t1 = value._separator === B.ListSeparator_z0K;
  	              break $label0$0;
  	            }
  	            if (B.ListSeparator_Lul === separator) {
  	              t1 = value._separator;
  	              t1 = t1 === B.ListSeparator_z0K || t1 === B.ListSeparator_Lul;
  	              break $label0$0;
  	            }
  	            t1 = value._separator !== B.ListSeparator_undecided_null_3_undecided;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        t1 = false;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    visitMap$1(map) {
  	      var t1, t2, _this = this;
  	      if (!_this._inspect)
  	        throw A.wrapException(A.SassScriptException$(map.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = _this._serialize$_buffer;
  	      t1.writeCharCode$1(40);
  	      t2 = map._map$_contents;
  	      _this._writeBetween$3(t2.get$entries(t2), ", ", new A._SerializeVisitor_visitMap_closure(_this));
  	      t1.writeCharCode$1(41);
  	    },
  	    _writeMapElement$1(value) {
  	      var needsParens = value instanceof A.SassList && value._separator === B.ListSeparator_z0K && !value._hasBrackets;
  	      if (needsParens)
  	        this._serialize$_buffer.writeCharCode$1(40);
  	      value.accept$1(this);
  	      if (needsParens)
  	        this._serialize$_buffer.writeCharCode$1(41);
  	    },
  	    visitNumber$1(value) {
  	      var before, after, t1, _1_0, _this = this,
  	        _0_0 = value.asSlash;
  	      if (type$.Record_2_nullable_Object_and_nullable_Object._is(_0_0)) {
  	        before = _0_0._0;
  	        after = _0_0._1;
  	        _this.visitNumber$1(before);
  	        _this._serialize$_buffer.writeCharCode$1(47);
  	        _this.visitNumber$1(after);
  	        return;
  	      }
  	      t1 = value._number$_value;
  	      if (!isFinite(t1)) {
  	        _this.visitCalculation$1(new A.SassCalculation("calc", A.List_List$unmodifiable(A._setArrayType([value], type$.JSArray_Object), type$.Object)));
  	        return;
  	      }
  	      if (value.get$hasComplexUnits())
  	        _this.visitCalculation$1(new A.SassCalculation("calc", A.List_List$unmodifiable(A._setArrayType([value], type$.JSArray_Object), type$.Object)));
  	      else {
  	        _this._writeNumber$1(t1);
  	        _1_0 = value.get$numeratorUnits(value);
  	        if (_1_0.length === 1)
  	          _this._serialize$_buffer.write$1(0, _1_0[0]);
  	      }
  	    },
  	    _writeNumberToString$1(number) {
  	      var t1 = new A.StringBuffer("");
  	      this._writeNumber$2(number, new A.NoSourceMapBuffer(t1));
  	      t1 = t1._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _writeNumber$2(number, buffer) {
  	      var _0_0, t1, integer, text, _this = this;
  	      if (buffer == null)
  	        buffer = _this._serialize$_buffer;
  	      _0_0 = A.fuzzyAsInt(number);
  	      t1 = false;
  	      if (_0_0 != null) {
  	        t1 = !_this._inspect || number === _0_0;
  	        integer = _0_0;
  	      } else
  	        integer = null;
  	      if (t1) {
  	        buffer.write$1(0, _this._removeExponent$1(J.toString$0$(integer)));
  	        return;
  	      }
  	      text = _this._removeExponent$1(B.JSNumber_methods.toString$0(number));
  	      if (_this._inspect) {
  	        buffer.write$1(0, text);
  	        return;
  	      }
  	      if (text.length < 12) {
  	        buffer.write$1(0, _this._style === B.OutputStyle_1 && text.charCodeAt(0) === 48 ? B.JSString_methods.substring$1(text, 1) : text);
  	        return;
  	      }
  	      _this._writeRounded$2(text, buffer);
  	    },
  	    _writeNumber$1(number) {
  	      return this._writeNumber$2(number, null);
  	    },
  	    _removeExponent$1(text) {
  	      var buffer, t2, t3, additionalZeroes,
  	        negative = text.charCodeAt(0) === 45,
  	        exponent = A._Cell$(),
  	        t1 = text.length,
  	        i = 0;
  	      for (;;) {
  	        if (!(i < t1)) {
  	          buffer = null;
  	          break;
  	        }
  	        c$0: {
  	          if (text.charCodeAt(i) !== 101)
  	            break c$0;
  	          buffer = new A.StringBuffer("");
  	          t2 = buffer._contents = A.Primitives_stringFromCharCode(text.charCodeAt(0));
  	          if (negative) {
  	            t2 += A.Primitives_stringFromCharCode(text.charCodeAt(1));
  	            buffer._contents = t2;
  	            if (i > 3)
  	              buffer._contents = t2 + B.JSString_methods.substring$2(text, 3, i);
  	          } else if (i > 2)
  	            buffer._contents = t2 + B.JSString_methods.substring$2(text, 2, i);
  	          exponent.__late_helper$_value = A.int_parse(B.JSString_methods.substring$2(text, i + 1, t1), null);
  	          break;
  	        }
  	        ++i;
  	      }
  	      if (buffer == null)
  	        return text;
  	      if (exponent._readLocal$0() > 0) {
  	        t1 = exponent._readLocal$0();
  	        t2 = buffer._contents;
  	        t3 = negative ? 1 : 0;
  	        additionalZeroes = t1 - (t2.length - 1 - t3);
  	        for (t1 = t2, i = 0; i < additionalZeroes; ++i) {
  	          t1 = A.Primitives_stringFromCharCode(48);
  	          t1 = buffer._contents += t1;
  	        }
  	        return t1.charCodeAt(0) == 0 ? t1 : t1;
  	      } else {
  	        negative = text.charCodeAt(0) === 45;
  	        t1 = (negative ? A.Primitives_stringFromCharCode(45) : "") + "0.";
  	        i = -1;
  	        for (;;) {
  	          t2 = exponent.__late_helper$_value;
  	          if (t2 === exponent)
  	            A.throwExpression(A.LateError$localNI(""));
  	          if (!(i > t2))
  	            break;
  	          t1 += A.Primitives_stringFromCharCode(48);
  	          --i;
  	        }
  	        if (negative) {
  	          t2 = buffer._contents;
  	          t2 = B.JSString_methods.substring$1(t2.charCodeAt(0) == 0 ? t2 : t2, 1);
  	        } else
  	          t2 = buffer;
  	        t2 = t1 + A.S(t2);
  	        return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      }
  	    },
  	    _writeRounded$2(text, buffer) {
  	      var t1, digits, negative, textIndex, digitsIndex, textIndex0, codeUnit, digitsIndex0, indexAfterPrecision, digitsIndex1, newDigit, writtenIndex;
  	      if (B.JSString_methods.endsWith$1(text, ".0")) {
  	        buffer.write$1(0, B.JSString_methods.substring$2(text, 0, text.length - 2));
  	        return;
  	      }
  	      t1 = text.length;
  	      digits = new Uint8Array(t1 + 1);
  	      negative = text.charCodeAt(0) === 45;
  	      textIndex = negative ? 1 : 0;
  	      for (digitsIndex = 1;; textIndex = textIndex0, digitsIndex = digitsIndex0) {
  	        if (textIndex === t1) {
  	          buffer.write$1(0, text);
  	          return;
  	        }
  	        textIndex0 = textIndex + 1;
  	        codeUnit = text.charCodeAt(textIndex);
  	        if (codeUnit === 46) {
  	          textIndex = textIndex0;
  	          break;
  	        }
  	        digitsIndex0 = digitsIndex + 1;
  	        digits[digitsIndex] = codeUnit - 48;
  	      }
  	      indexAfterPrecision = textIndex + 10;
  	      if (indexAfterPrecision >= t1) {
  	        buffer.write$1(0, text);
  	        return;
  	      }
  	      for (digitsIndex0 = digitsIndex; textIndex < indexAfterPrecision; textIndex = textIndex0, digitsIndex0 = digitsIndex1) {
  	        digitsIndex1 = digitsIndex0 + 1;
  	        textIndex0 = textIndex + 1;
  	        digits[digitsIndex0] = text.charCodeAt(textIndex) - 48;
  	      }
  	      if (text.charCodeAt(textIndex) - 48 >= 5)
  	        for (;; digitsIndex0 = digitsIndex1) {
  	          digitsIndex1 = digitsIndex0 - 1;
  	          newDigit = digits[digitsIndex1] + 1;
  	          digits[digitsIndex1] = newDigit;
  	          if (newDigit !== 10)
  	            break;
  	        }
  	      for (; digitsIndex0 < digitsIndex; ++digitsIndex0)
  	        digits[digitsIndex0] = 0;
  	      for (;;) {
  	        t1 = digitsIndex0 > digitsIndex;
  	        if (!(t1 && digits[digitsIndex0 - 1] === 0))
  	          break;
  	        --digitsIndex0;
  	      }
  	      if (digitsIndex0 === 2 && digits[0] === 0 && digits[1] === 0) {
  	        buffer.writeCharCode$1(48);
  	        return;
  	      }
  	      if (negative)
  	        buffer.writeCharCode$1(45);
  	      if (digits[0] === 0)
  	        writtenIndex = this._style === B.OutputStyle_1 && digits[1] === 0 ? 2 : 1;
  	      else
  	        writtenIndex = 0;
  	      for (; writtenIndex < digitsIndex; ++writtenIndex)
  	        buffer.writeCharCode$1(48 + digits[writtenIndex]);
  	      if (t1) {
  	        buffer.writeCharCode$1(46);
  	        for (; writtenIndex < digitsIndex0; ++writtenIndex)
  	          buffer.writeCharCode$1(48 + digits[writtenIndex]);
  	      }
  	    },
  	    _visitQuotedString$2$forceDoubleQuote(string, forceDoubleQuote) {
  	      var t1, includesSingleQuote, includesDoubleQuote, i, char, _1_2, _1_4, _0_0, quote, _this = this,
  	        buffer = forceDoubleQuote ? _this._serialize$_buffer : new A.StringBuffer("");
  	      if (forceDoubleQuote)
  	        buffer.writeCharCode$1(34);
  	      for (t1 = string.length, includesSingleQuote = false, includesDoubleQuote = false, i = 0; i < t1; ++i) {
  	        char = string.charCodeAt(i);
  	        _1_2 = 39 === char;
  	        if (_1_2 && forceDoubleQuote) {
  	          buffer.writeCharCode$1(39);
  	          continue;
  	        }
  	        if (_1_2 && includesDoubleQuote) {
  	          _this._visitQuotedString$2$forceDoubleQuote(string, true);
  	          return;
  	        }
  	        if (_1_2) {
  	          buffer.writeCharCode$1(39);
  	          includesSingleQuote = true;
  	          continue;
  	        }
  	        _1_4 = 34 === char;
  	        if (_1_4 && forceDoubleQuote) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(34);
  	          continue;
  	        }
  	        if (_1_4 && includesSingleQuote) {
  	          _this._visitQuotedString$2$forceDoubleQuote(string, true);
  	          return;
  	        }
  	        if (_1_4) {
  	          buffer.writeCharCode$1(34);
  	          includesDoubleQuote = true;
  	          continue;
  	        }
  	        if (0 === char || 1 === char || 2 === char || 3 === char || 4 === char || 5 === char || 6 === char || 7 === char || 8 === char || 10 === char || 11 === char || 12 === char || 13 === char || 14 === char || 15 === char || 16 === char || 17 === char || 18 === char || 19 === char || 20 === char || 21 === char || 22 === char || 23 === char || 24 === char || 25 === char || 26 === char || 27 === char || 28 === char || 29 === char || 30 === char || 31 === char || 127 === char) {
  	          _this._writeEscape$4(buffer, char, string, i);
  	          continue;
  	        }
  	        if (92 === char) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(92);
  	          continue;
  	        }
  	        _0_0 = _this._tryPrivateUseCharacter$4(buffer, char, string, i);
  	        if (_0_0 != null)
  	          i = _0_0;
  	        else
  	          buffer.writeCharCode$1(char);
  	      }
  	      if (forceDoubleQuote)
  	        buffer.writeCharCode$1(34);
  	      else {
  	        quote = includesDoubleQuote ? 39 : 34;
  	        t1 = _this._serialize$_buffer;
  	        t1.writeCharCode$1(quote);
  	        t1.write$1(0, buffer);
  	        t1.writeCharCode$1(quote);
  	      }
  	    },
  	    _visitQuotedString$1(string) {
  	      return this._visitQuotedString$2$forceDoubleQuote(string, false);
  	    },
  	    _visitUnquotedString$1(string) {
  	      var t1, t2, afterNewline, i, _1_0, _0_0;
  	      for (t1 = string.length, t2 = this._serialize$_buffer, afterNewline = false, i = 0; i < t1; ++i) {
  	        _1_0 = string.charCodeAt(i);
  	        if (10 === _1_0) {
  	          t2.writeCharCode$1(32);
  	          afterNewline = true;
  	          continue;
  	        }
  	        if (32 === _1_0) {
  	          if (!afterNewline)
  	            t2.writeCharCode$1(32);
  	          continue;
  	        }
  	        _0_0 = this._tryPrivateUseCharacter$4(t2, _1_0, string, i);
  	        if (_0_0 != null)
  	          i = _0_0;
  	        else
  	          t2.writeCharCode$1(_1_0);
  	        afterNewline = false;
  	      }
  	    },
  	    _tryPrivateUseCharacter$4(buffer, codeUnit, string, i) {
  	      var t1;
  	      if (this._style === B.OutputStyle_1)
  	        return null;
  	      if (codeUnit >= 57344 && codeUnit <= 63743) {
  	        this._writeEscape$4(buffer, codeUnit, string, i);
  	        return i;
  	      }
  	      if (codeUnit >>> 7 === 439 && string.length > i + 1) {
  	        t1 = i + 1;
  	        this._writeEscape$4(buffer, 65536 + ((codeUnit & 1023) << 10) + (string.charCodeAt(t1) & 1023), string, t1);
  	        return t1;
  	      }
  	      return null;
  	    },
  	    _writeEscape$4(buffer, character, string, i) {
  	      var t1, next;
  	      buffer.writeCharCode$1(92);
  	      buffer.write$1(0, B.JSInt_methods.toRadixString$1(character, 16));
  	      t1 = i + 1;
  	      if (string.length === t1)
  	        return;
  	      next = string.charCodeAt(t1);
  	      if (A.CharacterExtension_get_isHex(next) || 32 === next || 9 === next)
  	        buffer.writeCharCode$1(32);
  	    },
  	    visitAttributeSelector$1(_, attribute) {
  	      var _0_0, t2,
  	        t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(91);
  	      t1.write$1(0, attribute.name);
  	      _0_0 = attribute.value;
  	      if (_0_0 != null) {
  	        t1.write$1(0, attribute.op);
  	        if (A.Parser_isIdentifier(_0_0) && !B.JSString_methods.startsWith$1(_0_0, "--")) {
  	          t1.write$1(0, _0_0);
  	          t2 = attribute.modifier;
  	          if (t2 != null)
  	            t1.writeCharCode$1(32);
  	        } else {
  	          this._visitQuotedString$1(_0_0);
  	          t2 = attribute.modifier;
  	          if (t2 != null)
  	            if (this._style !== B.OutputStyle_1)
  	              t1.writeCharCode$1(32);
  	        }
  	        A.NullableExtension_andThen(t2, t1.get$write(t1));
  	      }
  	      t1.writeCharCode$1(93);
  	    },
  	    visitClassSelector$1(_, klass) {
  	      var t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(46);
  	      t1.write$1(0, klass.name);
  	    },
  	    visitComplexSelector$1(complex) {
  	      var t2, t3, t4, t5, t6, i, component, t7, t8, t9, _this = this,
  	        t1 = complex.leadingCombinators;
  	      _this._writeCombinators$1(t1);
  	      if (t1.length >= 1 && complex.components.length >= 1)
  	        if (_this._style !== B.OutputStyle_1)
  	          _this._serialize$_buffer.writeCharCode$1(32);
  	      for (t1 = complex.components, t2 = t1.length, t3 = t2 - 1, t4 = _this._serialize$_buffer, t5 = _this._style === B.OutputStyle_1, t6 = !t5, i = 0; i < t2; ++i) {
  	        component = t1[i];
  	        _this.visitCompoundSelector$1(component.selector);
  	        t7 = component.combinators;
  	        t8 = t7.length === 0;
  	        if (!t8)
  	          if (t6)
  	            t4.writeCharCode$1(32);
  	        t9 = t5 ? "" : " ";
  	        _this._writeBetween$3(t7, t9, t4.get$write(t4));
  	        if (i !== t3)
  	          t7 = !t5 || t8;
  	        else
  	          t7 = false;
  	        if (t7)
  	          t4.writeCharCode$1(32);
  	      }
  	    },
  	    _writeCombinators$1(combinators) {
  	      var t1 = this._style === B.OutputStyle_1 ? "" : " ",
  	        t2 = this._serialize$_buffer;
  	      return this._writeBetween$3(combinators, t1, t2.get$write(t2));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      var t2, t3, _i,
  	        t1 = this._serialize$_buffer,
  	        start = t1.get$length(t1);
  	      for (t2 = compound.components, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t2[_i].accept$1(this);
  	      if (t1.get$length(t1) === start)
  	        t1.writeCharCode$1(42);
  	    },
  	    visitIDSelector$1(_, id) {
  	      var t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(35);
  	      t1.write$1(0, id.name);
  	    },
  	    visitSelectorList$1(list) {
  	      var t1, t2, t3, first, t4, _this = this,
  	        complexes = list.components;
  	      for (t1 = J.get$iterator$ax(_this._inspect ? complexes : new A.WhereIterable(complexes, new A._SerializeVisitor_visitSelectorList_closure(), A._arrayInstanceType(complexes)._eval$1("WhereIterable<1>"))), t2 = _this._style !== B.OutputStyle_1, t3 = _this._serialize$_buffer, first = true; t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        if (first)
  	          first = false;
  	        else {
  	          t3.writeCharCode$1(44);
  	          if (t4.lineBreak) {
  	            if (t2)
  	              t3.write$1(0, "\n");
  	            _this._writeIndentation$0();
  	          } else if (t2)
  	            t3.writeCharCode$1(32);
  	        }
  	        _this.visitComplexSelector$1(t4);
  	      }
  	    },
  	    visitParentSelector$1(_, $parent) {
  	      var t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(38);
  	      A.NullableExtension_andThen($parent.suffix, t1.get$write(t1));
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      var t1 = this._serialize$_buffer;
  	      t1.writeCharCode$1(37);
  	      t1.write$1(0, placeholder.name);
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var _0_4, t3,
  	        t1 = pseudo.name,
  	        t2 = false;
  	      if ("not" === t1) {
  	        _0_4 = pseudo.selector;
  	        if (_0_4 instanceof A.SelectorList)
  	          t2 = (_0_4 == null ? type$.SelectorList._as(_0_4) : _0_4).accept$1(B._IsInvisibleVisitor_true);
  	      }
  	      if (t2)
  	        return;
  	      t2 = this._serialize$_buffer;
  	      t2.writeCharCode$1(58);
  	      if (!pseudo.isSyntacticClass)
  	        t2.writeCharCode$1(58);
  	      t2.write$1(0, t1);
  	      t1 = pseudo.argument;
  	      t3 = t1 == null;
  	      if (t3 && pseudo.selector == null)
  	        return;
  	      t2.writeCharCode$1(40);
  	      if (!t3) {
  	        t2.write$1(0, t1);
  	        if (pseudo.selector != null)
  	          t2.writeCharCode$1(32);
  	      }
  	      A.NullableExtension_andThen(pseudo.selector, this.get$visitSelectorList());
  	      t2.writeCharCode$1(41);
  	    },
  	    visitTypeSelector$1(_, type) {
  	      this._serialize$_buffer.write$1(0, type.name);
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      var t2,
  	        t1 = universal.namespace;
  	      if (t1 != null) {
  	        t2 = this._serialize$_buffer;
  	        t2.write$1(0, t1);
  	        t2.writeCharCode$1(124);
  	      }
  	      this._serialize$_buffer.writeCharCode$1(42);
  	    },
  	    _serialize$_write$1(value) {
  	      return this._serialize$_buffer.forSpan$2(value.span, new A._SerializeVisitor__write_closure(this, value));
  	    },
  	    _serialize$_visitChildren$1($parent) {
  	      var t2, t3, t4, t5, t6, t7, prePrevious, previous, t8, previous0, t9, savedIndentation, _this = this,
  	        t1 = _this._serialize$_buffer;
  	      t1.writeCharCode$1(123);
  	      for (t2 = $parent.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t4 = _this._style === B.OutputStyle_1, t5 = !t4, t6 = _this.get$_requiresSemicolon(), t7 = !_this._inspect, t3 = t3._eval$1("ListBase.E"), prePrevious = null, previous = null; t2.moveNext$0();) {
  	        t8 = t2.__internal$_current;
  	        previous0 = t8 == null ? t3._as(t8) : t8;
  	        if (t7)
  	          t8 = t4 ? previous0.accept$1(B._IsInvisibleVisitor_true_true) : previous0.accept$1(B._IsInvisibleVisitor_true_false);
  	        else
  	          t8 = false;
  	        if (t8)
  	          continue;
  	        t8 = previous == null;
  	        t9 = t8 ? null : t6.call$1(previous);
  	        if (t9 == null ? false : t9)
  	          t1.writeCharCode$1(59);
  	        if (_this._isTrailingComment$2(previous0, t8 ? $parent : previous)) {
  	          if (t5)
  	            t1.writeCharCode$1(32);
  	          savedIndentation = _this._indentation;
  	          _this._indentation = 0;
  	          new A._SerializeVisitor__visitChildren_closure(_this, previous0).call$0();
  	          _this._indentation = savedIndentation;
  	        } else {
  	          if (t5)
  	            t1.write$1(0, "\n");
  	          ++_this._indentation;
  	          new A._SerializeVisitor__visitChildren_closure0(_this, previous0).call$0();
  	          --_this._indentation;
  	        }
  	        prePrevious = previous;
  	        previous = previous0;
  	      }
  	      if (previous != null) {
  	        if ((type$.CssParentNode._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment)) && t5)
  	          t1.writeCharCode$1(59);
  	        if (prePrevious == null && _this._isTrailingComment$2(previous, $parent)) {
  	          if (t5)
  	            t1.writeCharCode$1(32);
  	        } else {
  	          _this._writeLineFeed$0();
  	          _this._writeIndentation$0();
  	        }
  	      }
  	      t1.writeCharCode$1(125);
  	    },
  	    _requiresSemicolon$1(node) {
  	      return type$.CssParentNode._is(node) ? node.get$isChildless() : !(node instanceof A.ModifiableCssComment);
  	    },
  	    _isTrailingComment$2(node, previous) {
  	      var t1, t2, t3, searchFrom, endOffset, t4, span;
  	      if (this._style === B.OutputStyle_1)
  	        return false;
  	      if (!(node instanceof A.ModifiableCssComment))
  	        return false;
  	      t1 = node.span;
  	      t2 = t1.get$sourceUrl(t1);
  	      t3 = previous.get$span(previous);
  	      if (!J.$eq$(t2, t3.get$sourceUrl(t3)))
  	        return false;
  	      t2 = previous.get$span(previous);
  	      if (!(J.$eq$(t2.get$file(t2).url, t1.get$file(t1).url) && t2.get$start(t2).offset <= t1.get$start(t1).offset && t2.get$end(t2).offset >= t1.get$end(t1).offset)) {
  	        t1 = t1.get$start(t1);
  	        t1 = t1.file.getLine$1(t1.offset);
  	        t2 = previous.get$span(previous);
  	        t2 = t2.get$end(t2);
  	        return t1 === t2.file.getLine$1(t2.offset);
  	      }
  	      t2 = t1.get$start(t1);
  	      t3 = previous.get$span(previous);
  	      searchFrom = t2.offset - t3.get$start(t3).offset - 1;
  	      if (searchFrom < 0)
  	        return false;
  	      endOffset = Math.max(0, B.JSString_methods.lastIndexOf$2(previous.get$span(previous).get$text(), "{", searchFrom));
  	      t2 = previous.get$span(previous);
  	      t2 = t2.get$file(t2);
  	      t3 = previous.get$span(previous);
  	      t3 = t3.get$start(t3);
  	      t4 = previous.get$span(previous);
  	      span = t2.span$2(0, t3.offset, t4.get$start(t4).offset + endOffset);
  	      t1 = t1.get$start(t1);
  	      t1 = t1.file.getLine$1(t1.offset);
  	      t4 = A.FileLocation$_(span.file, span._end);
  	      return t1 === t4.file.getLine$1(t4.offset);
  	    },
  	    _writeLineFeed$0() {
  	      if (this._style !== B.OutputStyle_1)
  	        this._serialize$_buffer.write$1(0, "\n");
  	    },
  	    _writeIndentation$0() {
  	      var _this = this;
  	      if (_this._style === B.OutputStyle_1)
  	        return;
  	      _this._writeTimes$2(_this._indentCharacter, _this._indentation * _this._indentWidth);
  	    },
  	    _writeTimes$2(char, times) {
  	      var t1, i;
  	      for (t1 = this._serialize$_buffer, i = 0; i < times; ++i)
  	        t1.writeCharCode$1(char);
  	    },
  	    _writeBetween$1$3(iterable, text, callback) {
  	      var t1, t2, first, value;
  	      for (t1 = J.get$iterator$ax(iterable), t2 = this._serialize$_buffer, first = true; t1.moveNext$0();) {
  	        value = t1.get$current(t1);
  	        if (first)
  	          first = false;
  	        else
  	          t2.write$1(0, text);
  	        callback.call$1(value);
  	      }
  	    },
  	    _writeBetween$3(iterable, text, callback) {
  	      return this._writeBetween$1$3(iterable, text, callback, type$.dynamic);
  	    }
  	  };
  	  A._SerializeVisitor_visitCssComment_closure.prototype = {
  	    call$0() {
  	      var t2, t3, _0_0, minimumIndentation,
  	        t1 = this.$this;
  	      if (t1._style === B.OutputStyle_1 && this.node.text.charCodeAt(2) !== 33)
  	        return;
  	      t2 = this.node;
  	      t3 = t2.text;
  	      if (B.JSString_methods.startsWith$1(t3, A.RegExp_RegExp("/\\*# source(Mapping)?URL=", false)))
  	        return;
  	      _0_0 = t1._minimumIndentation$1(t3);
  	      if (_0_0 != null) {
  	        t2 = t2.span;
  	        t2 = t2.get$start(t2);
  	        minimumIndentation = Math.min(_0_0, t2.file.getColumn$1(t2.offset));
  	        t1._writeIndentation$0();
  	        t1._writeWithIndent$2(t3, minimumIndentation);
  	      } else {
  	        t1._writeIndentation$0();
  	        t1._serialize$_buffer.write$1(0, t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssAtRule_closure.prototype = {
  	    call$0() {
  	      var t3, _0_0,
  	        t1 = this.$this,
  	        t2 = t1._serialize$_buffer;
  	      t2.writeCharCode$1(64);
  	      t3 = this.node;
  	      t1._serialize$_write$1(t3.name);
  	      _0_0 = t3.value;
  	      if (_0_0 != null) {
  	        t2.writeCharCode$1(32);
  	        t1._serialize$_write$1(_0_0);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssMediaRule_closure.prototype = {
  	    call$0() {
  	      var t3, firstQuery, t4, t5,
  	        t1 = this.$this,
  	        t2 = t1._serialize$_buffer;
  	      t2.write$1(0, "@media");
  	      t3 = this.node.queries;
  	      firstQuery = B.JSArray_methods.get$first(t3);
  	      t4 = t1._style === B.OutputStyle_1;
  	      t5 = true;
  	      if (t4)
  	        if (firstQuery.modifier == null)
  	          if (firstQuery.type == null) {
  	            t5 = firstQuery.conditions;
  	            t5 = t5.length === 1 && B.JSString_methods.startsWith$1(B.JSArray_methods.get$first(t5), "(not ");
  	          }
  	      if (t5)
  	        t2.writeCharCode$1(32);
  	      t2 = t4 ? "," : ", ";
  	      t1._writeBetween$3(t3, t2, t1.get$_visitMediaQuery());
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssImport_closure.prototype = {
  	    call$0() {
  	      var t3, t4, _0_0,
  	        t1 = this.$this,
  	        t2 = t1._serialize$_buffer;
  	      t2.write$1(0, "@import");
  	      t3 = t1._style !== B.OutputStyle_1;
  	      if (t3)
  	        t2.writeCharCode$1(32);
  	      t4 = this.node;
  	      t2.forSpan$2(t4.url.span, new A._SerializeVisitor_visitCssImport__closure(t1, t4));
  	      _0_0 = t4.modifiers;
  	      if (_0_0 != null) {
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.write$1(0, _0_0);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssImport__closure.prototype = {
  	    call$0() {
  	      return this.$this._writeImportUrl$1(this.node.url.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssKeyframeBlock_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._style === B.OutputStyle_1 ? "," : ", ",
  	        t3 = t1._serialize$_buffer;
  	      return t1._writeBetween$3(this.node.selector.value, t2, t3.get$write(t3));
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssStyleRule_closure.prototype = {
  	    call$0() {
  	      return this.$this.visitSelectorList$1(this.node._style_rule$_selector._box$_inner.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssSupportsRule_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._serialize$_buffer;
  	      t2.write$1(0, "@supports");
  	      if (!(t1._style === B.OutputStyle_1 && this.node.condition.value.charCodeAt(0) === 40))
  	        t2.writeCharCode$1(32);
  	      t1._serialize$_write$1(this.node.condition);
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssDeclaration_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      if (t1._style === B.OutputStyle_1)
  	        t1._writeFoldedValue$1(t2);
  	      else
  	        t1._writeReindentedValue$1(t2);
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssDeclaration_closure0.prototype = {
  	    call$0() {
  	      return this.node.value.value.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitList_closure.prototype = {
  	    call$1(element) {
  	      return !element.get$isBlank();
  	    },
  	    $signature: 79
  	  };
  	  A._SerializeVisitor_visitList_closure0.prototype = {
  	    call$1(element) {
  	      var t1 = this.$this,
  	        needsParens = t1._elementNeedsParens$2(this.value._separator, element);
  	      if (needsParens)
  	        t1._serialize$_buffer.writeCharCode$1(40);
  	      element.accept$1(t1);
  	      if (needsParens)
  	        t1._serialize$_buffer.writeCharCode$1(41);
  	    },
  	    $signature: 58
  	  };
  	  A._SerializeVisitor_visitList_closure1.prototype = {
  	    call$1(element) {
  	      element.accept$1(this.$this);
  	    },
  	    $signature: 58
  	  };
  	  A._SerializeVisitor_visitMap_closure.prototype = {
  	    call$1(entry) {
  	      var t1 = this.$this;
  	      t1._writeMapElement$1(entry.key);
  	      t1._serialize$_buffer.write$1(0, ": ");
  	      t1._writeMapElement$1(entry.value);
  	    },
  	    $signature: 284
  	  };
  	  A._SerializeVisitor_visitSelectorList_closure.prototype = {
  	    call$1(complex) {
  	      return !complex.accept$1(B._IsInvisibleVisitor_true);
  	    },
  	    $signature: 21
  	  };
  	  A._SerializeVisitor__write_closure.prototype = {
  	    call$0() {
  	      return this.$this._serialize$_buffer.write$1(0, this.value.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor__visitChildren_closure.prototype = {
  	    call$0() {
  	      return this.child.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor__visitChildren_closure0.prototype = {
  	    call$0() {
  	      this.child.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A.OutputStyle.prototype = {
  	    _enumToString$0() {
  	      return "OutputStyle." + this._name;
  	    }
  	  };
  	  A.LineFeed.prototype = {
  	    _enumToString$0() {
  	      return "LineFeed." + this._name;
  	    },
  	    toString$0(_) {
  	      return "lf";
  	    }
  	  };
  	  A.StatementSearchVisitor.prototype = {
  	    visitAtRootRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitAtRule$1(_, node) {
  	      return A.NullableExtension_andThen(node.children, this.get$visitChildren());
  	    },
  	    visitContentBlock$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitContentRule$1(_, node) {
  	      return null;
  	    },
  	    visitDebugRule$1(_, node) {
  	      return null;
  	    },
  	    visitDeclaration$1(_, node) {
  	      return A.NullableExtension_andThen(node.children, this.get$visitChildren());
  	    },
  	    visitEachRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitErrorRule$1(_, node) {
  	      return null;
  	    },
  	    visitExtendRule$1(_, node) {
  	      return null;
  	    },
  	    visitForRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitForwardRule$1(_, node) {
  	      return null;
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitIfRule$1(_, node) {
  	      var t1 = A.IterableExtension_search(node.clauses, new A.StatementSearchVisitor_visitIfRule_closure(this));
  	      return t1 == null ? A.NullableExtension_andThen(node.lastClause, new A.StatementSearchVisitor_visitIfRule_closure0(this)) : t1;
  	    },
  	    visitImportRule$1(_, node) {
  	      return null;
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return A.NullableExtension_andThen(node.content, this.get$visitContentBlock(this));
  	    },
  	    visitLoudComment$1(_, node) {
  	      return null;
  	    },
  	    visitMediaRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitReturnRule$1(_, node) {
  	      return null;
  	    },
  	    visitSilentComment$1(_, node) {
  	      return null;
  	    },
  	    visitStyleRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitStylesheet$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitUseRule$1(_, node) {
  	      return null;
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      return null;
  	    },
  	    visitWarnRule$1(_, node) {
  	      return null;
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitChildren$1(children) {
  	      return A.IterableExtension_search(children, new A.StatementSearchVisitor_visitChildren_closure(this));
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule_closure.prototype = {
  	    call$1(clause) {
  	      return A.IterableExtension_search(clause.children, new A.StatementSearchVisitor_visitIfRule__closure0(this.$this));
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor.T?(IfClause)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule__closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor.T?(Statement)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule_closure0.prototype = {
  	    call$1(lastClause) {
  	      return A.IterableExtension_search(lastClause.children, new A.StatementSearchVisitor_visitIfRule__closure(this.$this));
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor.T?(ElseClause)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule__closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor.T?(Statement)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitChildren_closure.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor.T?(Statement)");
  	    }
  	  };
  	  A.Entry.prototype = {
  	    compareTo$1(_, other) {
  	      var t1, t2,
  	        res = this.target.compareTo$1(0, other.target);
  	      if (res !== 0)
  	        return res;
  	      t1 = this.source;
  	      t2 = other.source;
  	      res = B.JSString_methods.compareTo$1(J.toString$0$(t1.file.url), J.toString$0$(t2.file.url));
  	      if (res !== 0)
  	        return res;
  	      return t1.compareTo$1(0, t2);
  	    },
  	    $isComparable: 1
  	  };
  	  A.Mapping.prototype = {};
  	  A.SingleMapping.prototype = {
  	    toJson$1$includeSourceContents(includeSourceContents) {
  	      var t1, t2, line, column, srcLine, srcColumn, srcUrlId, srcNameId, first, _i, entry, nextLine, i, t3, t4, column0, t5, newUrlId, srcLine0, srcColumn0, srcNameId0, result, _this = this,
  	        buff = new A.StringBuffer("");
  	      for (t1 = _this.lines, t2 = t1.length, line = 0, column = 0, srcLine = 0, srcColumn = 0, srcUrlId = 0, srcNameId = 0, first = true, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        entry = t1[_i];
  	        nextLine = entry.line;
  	        if (nextLine > line) {
  	          for (i = line; i < nextLine; ++i)
  	            buff._contents += ";";
  	          line = nextLine;
  	          column = 0;
  	          first = true;
  	        }
  	        for (t3 = J.get$iterator$ax(entry.entries); t3.moveNext$0(); column = column0, first = false) {
  	          t4 = t3.get$current(t3);
  	          if (!first)
  	            buff._contents += ",";
  	          column0 = t4.column;
  	          t5 = A.encodeVlq(column0 - column);
  	          t5 = A.StringBuffer__writeAll(buff._contents, t5, "");
  	          buff._contents = t5;
  	          newUrlId = t4.sourceUrlId;
  	          t5 = A.StringBuffer__writeAll(t5, A.encodeVlq(newUrlId - srcUrlId), "");
  	          buff._contents = t5;
  	          srcLine0 = t4.sourceLine;
  	          t5 = A.StringBuffer__writeAll(t5, A.encodeVlq(srcLine0 - srcLine), "");
  	          buff._contents = t5;
  	          srcColumn0 = t4.sourceColumn;
  	          t5 = A.StringBuffer__writeAll(t5, A.encodeVlq(srcColumn0 - srcColumn), "");
  	          buff._contents = t5;
  	          srcNameId0 = t4.sourceNameId;
  	          if (srcNameId0 == null) {
  	            srcUrlId = newUrlId;
  	            srcColumn = srcColumn0;
  	            srcLine = srcLine0;
  	            continue;
  	          }
  	          buff._contents = A.StringBuffer__writeAll(t5, A.encodeVlq(srcNameId0 - srcNameId), "");
  	          srcNameId = srcNameId0;
  	          srcUrlId = newUrlId;
  	          srcColumn = srcColumn0;
  	          srcLine = srcLine0;
  	        }
  	      }
  	      t1 = _this.sourceRoot;
  	      if (t1 == null)
  	        t1 = "";
  	      t2 = buff._contents;
  	      result = A.LinkedHashMap_LinkedHashMap$_literal(["version", 3, "sourceRoot", t1, "sources", _this.urls, "names", _this.names, "mappings", t2.charCodeAt(0) == 0 ? t2 : t2], type$.String, type$.dynamic);
  	      t1 = _this.targetUrl;
  	      if (t1 != null)
  	        result.$indexSet(0, "file", t1);
  	      if (includeSourceContents) {
  	        t1 = _this.files;
  	        t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String?>");
  	        t1 = A.List_List$_of(new A.MappedListIterable(t1, new A.SingleMapping_toJson_closure(), t2), t2._eval$1("ListIterable.E"));
  	        result.$indexSet(0, "sourcesContent", t1);
  	      }
  	      _this.extensions.forEach$1(0, new A.SingleMapping_toJson_closure0(result));
  	      return result;
  	    },
  	    toJson$0() {
  	      return this.toJson$1$includeSourceContents(false);
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        t1 = A.getRuntimeTypeOfDartObject(_this).toString$0(0) + " : [targetUrl: " + A.S(_this.targetUrl) + ", sourceRoot: " + A.S(_this.sourceRoot) + ", urls: " + A.S(_this.urls) + ", names: " + A.S(_this.names) + ", lines: " + A.S(_this.lines) + "]";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.SingleMapping_SingleMapping$fromEntries_closure.prototype = {
  	    call$0() {
  	      return this.urls.__js_helper$_length;
  	    },
  	    $signature: 10
  	  };
  	  A.SingleMapping_SingleMapping$fromEntries_closure0.prototype = {
  	    call$0() {
  	      return this.sourceEntry.source.file;
  	    },
  	    $signature: 285
  	  };
  	  A.SingleMapping_SingleMapping$fromEntries_closure1.prototype = {
  	    call$1(i) {
  	      return this.files.$index(0, i);
  	    },
  	    $signature: 286
  	  };
  	  A.SingleMapping_toJson_closure.prototype = {
  	    call$1(file) {
  	      return file == null ? null : A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(file._decodedChars, 0, null), 0, null);
  	    },
  	    $signature: 287
  	  };
  	  A.SingleMapping_toJson_closure0.prototype = {
  	    call$2($name, value) {
  	      this.result.$indexSet(0, $name, value);
  	      return value;
  	    },
  	    $signature: 140
  	  };
  	  A.TargetLineEntry.prototype = {
  	    toString$0(_) {
  	      return A.getRuntimeTypeOfDartObject(this).toString$0(0) + ": " + this.line + " " + A.S(this.entries);
  	    }
  	  };
  	  A.TargetEntry.prototype = {
  	    toString$0(_) {
  	      var _this = this;
  	      return A.getRuntimeTypeOfDartObject(_this).toString$0(0) + ": (" + _this.column + ", " + _this.sourceUrlId + ", " + _this.sourceLine + ", " + _this.sourceColumn + ", " + A.S(_this.sourceNameId) + ")";
  	    }
  	  };
  	  A.SourceFile.prototype = {
  	    get$length(_) {
  	      return this._decodedChars.length;
  	    },
  	    get$lines() {
  	      return this._lineStarts.length;
  	    },
  	    SourceFile$_fromList$2$url(decodedChars, url) {
  	      var t1, t2, t3, t4, t5, i, c, j;
  	      for (t1 = this._decodedChars, t2 = t1.length, t3 = J.getInterceptor$asx(decodedChars), t4 = t1.$flags | 0, t5 = this._lineStarts, i = 0; i < t2; ++i) {
  	        c = t3.$index(decodedChars, i);
  	        t4 & 2 && A.throwUnsupportedOperation(t1);
  	        t1[i] = c;
  	        if (c === 13) {
  	          j = i + 1;
  	          if (j >= t3.get$length(decodedChars) || t3.$index(decodedChars, j) !== 10)
  	            c = 10;
  	        }
  	        if (c === 10)
  	          t5.push(i + 1);
  	      }
  	    },
  	    span$2(_, start, end) {
  	      return A._FileSpan$(this, start, end == null ? this._decodedChars.length : end);
  	    },
  	    span$1(_, start) {
  	      return this.span$2(0, start, null);
  	    },
  	    getLine$1(offset) {
  	      var t1, _this = this;
  	      if (offset < 0)
  	        throw A.wrapException(A.RangeError$("Offset may not be negative, was " + offset + "."));
  	      else if (offset > _this._decodedChars.length)
  	        throw A.wrapException(A.RangeError$("Offset " + offset + string$.x20must_n + _this.get$length(0) + "."));
  	      t1 = _this._lineStarts;
  	      if (offset < B.JSArray_methods.get$first(t1))
  	        return -1;
  	      if (offset >= B.JSArray_methods.get$last(t1))
  	        return t1.length - 1;
  	      if (_this._isNearCachedLine$1(offset)) {
  	        t1 = _this._cachedLine;
  	        t1.toString;
  	        return t1;
  	      }
  	      return _this._cachedLine = _this._binarySearch$1(offset) - 1;
  	    },
  	    _isNearCachedLine$1(offset) {
  	      var t2, t3,
  	        t1 = this._cachedLine;
  	      if (t1 == null)
  	        return false;
  	      t2 = this._lineStarts;
  	      if (offset < t2[t1])
  	        return false;
  	      t3 = t2.length;
  	      if (t1 >= t3 - 1 || offset < t2[t1 + 1])
  	        return true;
  	      if (t1 >= t3 - 2 || offset < t2[t1 + 2]) {
  	        this._cachedLine = t1 + 1;
  	        return true;
  	      }
  	      return false;
  	    },
  	    _binarySearch$1(offset) {
  	      var min, half,
  	        t1 = this._lineStarts,
  	        max = t1.length - 1;
  	      for (min = 0; min < max;) {
  	        half = min + B.JSInt_methods._tdivFast$1(max - min, 2);
  	        if (t1[half] > offset)
  	          max = half;
  	        else
  	          min = half + 1;
  	      }
  	      return max;
  	    },
  	    getColumn$1(offset) {
  	      var line, lineStart, _this = this;
  	      if (offset < 0)
  	        throw A.wrapException(A.RangeError$("Offset may not be negative, was " + offset + "."));
  	      else if (offset > _this._decodedChars.length)
  	        throw A.wrapException(A.RangeError$("Offset " + offset + " must be not be greater than the number of characters in the file, " + _this.get$length(0) + "."));
  	      line = _this.getLine$1(offset);
  	      lineStart = _this._lineStarts[line];
  	      if (lineStart > offset)
  	        throw A.wrapException(A.RangeError$("Line " + line + " comes after offset " + offset + "."));
  	      return offset - lineStart;
  	    },
  	    getOffset$1(line) {
  	      var t1, t2, result, t3;
  	      if (line < 0)
  	        throw A.wrapException(A.RangeError$("Line may not be negative, was " + line + "."));
  	      else {
  	        t1 = this._lineStarts;
  	        t2 = t1.length;
  	        if (line >= t2)
  	          throw A.wrapException(A.RangeError$("Line " + line + " must be less than the number of lines in the file, " + this.get$lines() + "."));
  	      }
  	      result = t1[line];
  	      if (result <= this._decodedChars.length) {
  	        t3 = line + 1;
  	        t1 = t3 < t2 && result >= t1[t3];
  	      } else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(A.RangeError$("Line " + line + " doesn't have 0 columns."));
  	      return result;
  	    }
  	  };
  	  A.FileLocation.prototype = {
  	    get$sourceUrl(_) {
  	      return this.file.url;
  	    },
  	    get$line() {
  	      return this.file.getLine$1(this.offset);
  	    },
  	    get$column() {
  	      return this.file.getColumn$1(this.offset);
  	    },
  	    FileLocation$_$2(file, offset) {
  	      var t2,
  	        t1 = this.offset;
  	      if (t1 < 0)
  	        throw A.wrapException(A.RangeError$("Offset may not be negative, was " + t1 + "."));
  	      else {
  	        t2 = this.file;
  	        if (t1 > t2._decodedChars.length)
  	          throw A.wrapException(A.RangeError$("Offset " + t1 + string$.x20must_n + t2.get$length(0) + "."));
  	      }
  	    },
  	    pointSpan$0() {
  	      var t1 = this.offset;
  	      return A._FileSpan$(this.file, t1, t1);
  	    },
  	    get$offset() {
  	      return this.offset;
  	    }
  	  };
  	  A._FileSpan.prototype = {
  	    get$sourceUrl(_) {
  	      return this.file.url;
  	    },
  	    get$length(_) {
  	      return this._end - this._file$_start;
  	    },
  	    get$start(_) {
  	      return A.FileLocation$_(this.file, this._file$_start);
  	    },
  	    get$end(_) {
  	      return A.FileLocation$_(this.file, this._end);
  	    },
  	    get$text() {
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(this.file._decodedChars, this._file$_start, this._end), 0, null);
  	    },
  	    get$context(_) {
  	      var _this = this,
  	        t1 = _this.file,
  	        endOffset = _this._end,
  	        endLine = t1.getLine$1(endOffset);
  	      if (t1.getColumn$1(endOffset) === 0 && endLine !== 0) {
  	        if (endOffset - _this._file$_start === 0)
  	          return endLine === t1._lineStarts.length - 1 ? "" : A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1._decodedChars, t1.getOffset$1(endLine), t1.getOffset$1(endLine + 1)), 0, null);
  	      } else
  	        endOffset = endLine === t1._lineStarts.length - 1 ? t1._decodedChars.length : t1.getOffset$1(endLine + 1);
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1._decodedChars, t1.getOffset$1(t1.getLine$1(_this._file$_start)), endOffset), 0, null);
  	    },
  	    _FileSpan$3(file, _start, _end) {
  	      var t3,
  	        t1 = this._end,
  	        t2 = this._file$_start;
  	      if (t1 < t2)
  	        throw A.wrapException(A.ArgumentError$("End " + t1 + " must come after start " + t2 + ".", null));
  	      else {
  	        t3 = this.file;
  	        if (t1 > t3._decodedChars.length)
  	          throw A.wrapException(A.RangeError$("End " + t1 + string$.x20must_n + t3.get$length(0) + "."));
  	        else if (t2 < 0)
  	          throw A.wrapException(A.RangeError$("Start may not be negative, was " + t2 + "."));
  	      }
  	    },
  	    compareTo$1(_, other) {
  	      var result;
  	      if (!(other instanceof A._FileSpan))
  	        return this.super$SourceSpanMixin$compareTo(0, other);
  	      result = B.JSInt_methods.compareTo$1(this._file$_start, other._file$_start);
  	      return result === 0 ? B.JSInt_methods.compareTo$1(this._end, other._end) : result;
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      if (!type$.FileSpan._is(other))
  	        return _this.super$SourceSpanMixin$$eq(0, other);
  	      if (!(other instanceof A._FileSpan))
  	        return _this.super$SourceSpanMixin$$eq(0, other) && J.$eq$(_this.file.url, other.get$sourceUrl(other));
  	      return _this._file$_start === other._file$_start && _this._end === other._end && J.$eq$(_this.file.url, other.file.url);
  	    },
  	    get$hashCode(_) {
  	      return A.Object_hash(this._file$_start, this._end, this.file.url, B.C_SentinelValue);
  	    },
  	    expand$1(_, other) {
  	      var t2, t3, _this = this,
  	        t1 = _this.file;
  	      if (!J.$eq$(t1.url, other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(_this.get$sourceUrl(0)) + '" and  "' + A.S(other.get$sourceUrl(other)) + "\" don't match.", null));
  	      t2 = _this._file$_start;
  	      t3 = _this._end;
  	      if (other instanceof A._FileSpan)
  	        return A._FileSpan$(t1, Math.min(t2, other._file$_start), Math.max(t3, other._end));
  	      else
  	        return A._FileSpan$(t1, Math.min(t2, other.get$start(other).offset), Math.max(t3, other.get$end(other).offset));
  	    },
  	    $isFileSpan: 1,
  	    $isSourceSpanWithContext: 1,
  	    get$file(receiver) {
  	      return this.file;
  	    }
  	  };
  	  A.Highlighter.prototype = {
  	    highlight$0() {
  	      var t2, highlightsByColumn, t3, t4, i, line, lastLine, t5, t6, t7, t8, t9, t10, t11, index, primaryIdx, primary, _i, highlight, _this = this, _null = null,
  	        t1 = _this._lines;
  	      _this._writeFileStart$1(B.JSArray_methods.get$first(t1).url);
  	      t2 = _this._maxMultilineSpans;
  	      highlightsByColumn = A.List_List$filled(t2, _null, false, type$.nullable__Highlight);
  	      for (t3 = _this._highlighter$_buffer, t2 = t2 !== 0, t4 = _this._primaryColor, i = 0; i < t1.length; ++i) {
  	        line = t1[i];
  	        if (i > 0) {
  	          lastLine = t1[i - 1];
  	          t5 = line.url;
  	          if (!J.$eq$(lastLine.url, t5)) {
  	            _this._writeSidebar$1$end($._glyphs.get$upEnd());
  	            t3._contents += "\n";
  	            _this._writeFileStart$1(t5);
  	          } else if (lastLine.number + 1 !== line.number) {
  	            _this._writeSidebar$1$text("...");
  	            t3._contents += "\n";
  	          }
  	        }
  	        for (t5 = line.highlights, t6 = A._arrayInstanceType(t5)._eval$1("ReversedListIterable<1>"), t7 = new A.ReversedListIterable(t5, t6), t7 = new A.ListIterator(t7, t7.get$length(0), t6._eval$1("ListIterator<ListIterable.E>")), t6 = t6._eval$1("ListIterable.E"), t8 = line.number, t9 = line.text; t7.moveNext$0();) {
  	          t10 = t7.__internal$_current;
  	          if (t10 == null)
  	            t10 = t6._as(t10);
  	          t11 = t10.span;
  	          if (t11.get$start(t11).get$line() !== t11.get$end(t11).get$line() && t11.get$start(t11).get$line() === t8 && _this._isOnlyWhitespace$1(B.JSString_methods.substring$2(t9, 0, t11.get$start(t11).get$column()))) {
  	            index = B.JSArray_methods.indexOf$1(highlightsByColumn, _null);
  	            if (index < 0)
  	              A.throwExpression(A.ArgumentError$(A.S(highlightsByColumn) + " contains no null elements.", _null));
  	            highlightsByColumn[index] = t10;
  	          }
  	        }
  	        _this._writeSidebar$1$line(t8);
  	        t3._contents += " ";
  	        _this._writeMultilineHighlights$2(line, highlightsByColumn);
  	        if (t2)
  	          t3._contents += " ";
  	        primaryIdx = B.JSArray_methods.indexWhere$1(t5, new A.Highlighter_highlight_closure());
  	        primary = primaryIdx === -1 ? _null : t5[primaryIdx];
  	        t6 = primary != null;
  	        if (t6) {
  	          t7 = primary.span;
  	          t10 = t7.get$start(t7).get$line() === t8 ? t7.get$start(t7).get$column() : 0;
  	          _this._writeHighlightedText$4$color(t9, t10, t7.get$end(t7).get$line() === t8 ? t7.get$end(t7).get$column() : t9.length, t4);
  	        } else
  	          _this._writeText$1(t9);
  	        t3._contents += "\n";
  	        if (t6)
  	          _this._writeIndicator$3(line, primary, highlightsByColumn);
  	        for (t6 = t5.length, _i = 0; _i < t5.length; t5.length === t6 || (0, A.throwConcurrentModificationError)(t5), ++_i) {
  	          highlight = t5[_i];
  	          if (highlight.isPrimary)
  	            continue;
  	          _this._writeIndicator$3(line, highlight, highlightsByColumn);
  	        }
  	      }
  	      _this._writeSidebar$1$end($._glyphs.get$upEnd());
  	      t1 = t3._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _writeFileStart$1(url) {
  	      var _this = this,
  	        t1 = !_this._multipleFiles || !type$.Uri._is(url),
  	        t2 = $._glyphs;
  	      if (t1)
  	        _this._writeSidebar$1$end(t2.get$downEnd());
  	      else {
  	        _this._writeSidebar$1$end(t2.get$topLeftCorner());
  	        _this._colorize$2$color(new A.Highlighter__writeFileStart_closure(_this), "\x1b[34m");
  	        t1 = _this._highlighter$_buffer;
  	        t2 = " " + $.$get$context().prettyUri$1(url);
  	        t1._contents += t2;
  	      }
  	      _this._highlighter$_buffer._contents += "\n";
  	    },
  	    _writeMultilineHighlights$3$current(line, highlightsByColumn, current) {
  	      var t1, currentColor, t2, t3, t4, t5, foundCurrent, _i, highlight, t6, startLine, t7, endLine, _this = this, _box_0 = {};
  	      _box_0.openedOnThisLine = false;
  	      _box_0.openedOnThisLineColor = null;
  	      t1 = current == null;
  	      if (t1)
  	        currentColor = null;
  	      else
  	        currentColor = current.isPrimary ? _this._primaryColor : _this._secondaryColor;
  	      for (t2 = highlightsByColumn.length, t3 = _this._secondaryColor, t1 = !t1, t4 = _this._primaryColor, t5 = _this._highlighter$_buffer, foundCurrent = false, _i = 0; _i < t2; ++_i) {
  	        highlight = highlightsByColumn[_i];
  	        t6 = highlight == null;
  	        if (t6)
  	          startLine = null;
  	        else {
  	          t7 = highlight.span;
  	          startLine = t7.get$start(t7).get$line();
  	        }
  	        if (t6)
  	          endLine = null;
  	        else {
  	          t7 = highlight.span;
  	          endLine = t7.get$end(t7).get$line();
  	        }
  	        if (t1 && highlight === current) {
  	          _this._colorize$2$color(new A.Highlighter__writeMultilineHighlights_closure(_this, startLine, line), currentColor);
  	          foundCurrent = true;
  	        } else if (foundCurrent)
  	          _this._colorize$2$color(new A.Highlighter__writeMultilineHighlights_closure0(_this, highlight), currentColor);
  	        else if (t6)
  	          if (_box_0.openedOnThisLine)
  	            _this._colorize$2$color(new A.Highlighter__writeMultilineHighlights_closure1(_this), _box_0.openedOnThisLineColor);
  	          else
  	            t5._contents += " ";
  	        else {
  	          t6 = highlight.isPrimary ? t4 : t3;
  	          _this._colorize$2$color(new A.Highlighter__writeMultilineHighlights_closure2(_box_0, _this, current, startLine, line, highlight, endLine), t6);
  	        }
  	      }
  	    },
  	    _writeMultilineHighlights$2(line, highlightsByColumn) {
  	      return this._writeMultilineHighlights$3$current(line, highlightsByColumn, null);
  	    },
  	    _writeHighlightedText$4$color(text, startColumn, endColumn, color) {
  	      var _this = this;
  	      _this._writeText$1(B.JSString_methods.substring$2(text, 0, startColumn));
  	      _this._colorize$2$color(new A.Highlighter__writeHighlightedText_closure(_this, text, startColumn, endColumn), color);
  	      _this._writeText$1(B.JSString_methods.substring$2(text, endColumn, text.length));
  	    },
  	    _writeIndicator$3(line, highlight, highlightsByColumn) {
  	      var t2, coversWholeLine, _this = this,
  	        color = highlight.isPrimary ? _this._primaryColor : _this._secondaryColor,
  	        t1 = highlight.span;
  	      if (t1.get$start(t1).get$line() === t1.get$end(t1).get$line()) {
  	        _this._writeSidebar$0();
  	        t1 = _this._highlighter$_buffer;
  	        t1._contents += " ";
  	        _this._writeMultilineHighlights$3$current(line, highlightsByColumn, highlight);
  	        if (highlightsByColumn.length !== 0)
  	          t1._contents += " ";
  	        _this._writeLabel$3(highlight, highlightsByColumn, _this._colorize$2$color(new A.Highlighter__writeIndicator_closure(_this, line, highlight), color));
  	      } else {
  	        t2 = line.number;
  	        if (t1.get$start(t1).get$line() === t2) {
  	          if (B.JSArray_methods.contains$1(highlightsByColumn, highlight))
  	            return;
  	          A.replaceFirstNull(highlightsByColumn, highlight);
  	          _this._writeSidebar$0();
  	          t1 = _this._highlighter$_buffer;
  	          t1._contents += " ";
  	          _this._writeMultilineHighlights$3$current(line, highlightsByColumn, highlight);
  	          _this._colorize$2$color(new A.Highlighter__writeIndicator_closure0(_this, line, highlight), color);
  	          t1._contents += "\n";
  	        } else if (t1.get$end(t1).get$line() === t2) {
  	          coversWholeLine = t1.get$end(t1).get$column() === line.text.length;
  	          if (coversWholeLine && highlight.label == null) {
  	            A.replaceWithNull(highlightsByColumn, highlight);
  	            return;
  	          }
  	          _this._writeSidebar$0();
  	          _this._highlighter$_buffer._contents += " ";
  	          _this._writeMultilineHighlights$3$current(line, highlightsByColumn, highlight);
  	          _this._writeLabel$3(highlight, highlightsByColumn, _this._colorize$2$color(new A.Highlighter__writeIndicator_closure1(_this, coversWholeLine, line, highlight), color));
  	          A.replaceWithNull(highlightsByColumn, highlight);
  	        }
  	      }
  	    },
  	    _writeArrow$3$beginning(line, column, beginning) {
  	      var t2,
  	        t1 = beginning ? 0 : 1,
  	        tabs = this._countTabs$1(B.JSString_methods.substring$2(line.text, 0, column + t1));
  	      t1 = this._highlighter$_buffer;
  	      t2 = B.JSString_methods.$mul($._glyphs.get$horizontalLine(), 1 + column + tabs * 3);
  	      t1._contents = (t1._contents += t2) + "^";
  	    },
  	    _writeArrow$2(line, column) {
  	      return this._writeArrow$3$beginning(line, column, true);
  	    },
  	    _writeLabel$3(highlight, highlightsByColumn, underlineLength) {
  	      var lines, color, t1, t2, t3, t4, t5, t6, _i, columnHighlight, _this = this,
  	        label = highlight.label;
  	      if (label == null) {
  	        _this._highlighter$_buffer._contents += "\n";
  	        return;
  	      }
  	      lines = A._setArrayType(label.split("\n"), type$.JSArray_String);
  	      color = highlight.isPrimary ? _this._primaryColor : _this._secondaryColor;
  	      _this._colorize$2$color(new A.Highlighter__writeLabel_closure(_this, lines), color);
  	      t1 = _this._highlighter$_buffer;
  	      t1._contents += "\n";
  	      for (t2 = A.SubListIterable$(lines, 1, null, type$.String), t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListIterable.E>")), t4 = highlightsByColumn.length, t3 = t3._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	        t5 = t2.__internal$_current;
  	        if (t5 == null)
  	          t5 = t3._as(t5);
  	        _this._writeSidebar$0();
  	        t6 = t1._contents += " ";
  	        for (_i = 0; _i < t4; ++_i) {
  	          columnHighlight = highlightsByColumn[_i];
  	          if (columnHighlight == null || columnHighlight === highlight) {
  	            t6 += " ";
  	            t1._contents = t6;
  	          } else {
  	            t6 = $._glyphs.get$verticalLine();
  	            t6 = t1._contents += t6;
  	          }
  	        }
  	        t1._contents = t6 + B.JSString_methods.$mul(" ", underlineLength);
  	        _this._colorize$2$color(new A.Highlighter__writeLabel_closure0(_this, t5), color);
  	        t1._contents += "\n";
  	      }
  	    },
  	    _writeText$1(text) {
  	      var t1, t2, t3, t4;
  	      for (t1 = new A.CodeUnits(text), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this._highlighter$_buffer, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        if (t4 == null)
  	          t4 = t2._as(t4);
  	        if (t4 === 9)
  	          t3._contents += B.JSString_methods.$mul(" ", 4);
  	        else {
  	          t4 = A.Primitives_stringFromCharCode(t4);
  	          t3._contents += t4;
  	        }
  	      }
  	    },
  	    _writeSidebar$3$end$line$text(end, line, text) {
  	      var t1 = {};
  	      t1.text = text;
  	      if (line != null)
  	        t1.text = B.JSInt_methods.toString$0(line + 1);
  	      this._colorize$2$color(new A.Highlighter__writeSidebar_closure(t1, this, end), "\x1b[34m");
  	    },
  	    _writeSidebar$1$end(end) {
  	      return this._writeSidebar$3$end$line$text(end, null, null);
  	    },
  	    _writeSidebar$1$text(text) {
  	      return this._writeSidebar$3$end$line$text(null, null, text);
  	    },
  	    _writeSidebar$1$line(line) {
  	      return this._writeSidebar$3$end$line$text(null, line, null);
  	    },
  	    _writeSidebar$0() {
  	      return this._writeSidebar$3$end$line$text(null, null, null);
  	    },
  	    _countTabs$1(text) {
  	      var t1, t2, count, t3;
  	      for (t1 = new A.CodeUnits(text), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"), count = 0; t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if ((t3 == null ? t2._as(t3) : t3) === 9)
  	          ++count;
  	      }
  	      return count;
  	    },
  	    _isOnlyWhitespace$1(text) {
  	      var t1, t2, t3;
  	      for (t1 = new A.CodeUnits(text), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        if (t3 !== 32 && t3 !== 9)
  	          return false;
  	      }
  	      return true;
  	    },
  	    _colorize$1$2$color(callback, color) {
  	      var result,
  	        t1 = this._primaryColor != null;
  	      if (t1 && color != null)
  	        this._highlighter$_buffer._contents += color;
  	      result = callback.call$0();
  	      if (t1 && color != null)
  	        this._highlighter$_buffer._contents += "\x1b[0m";
  	      return result;
  	    },
  	    _colorize$2$color(callback, color) {
  	      return this._colorize$1$2$color(callback, color, type$.dynamic);
  	    }
  	  };
  	  A.Highlighter_closure.prototype = {
  	    call$0() {
  	      var t1 = this.color,
  	        t2 = J.getInterceptor$(t1);
  	      if (t2.$eq(t1, true))
  	        return "\x1b[31m";
  	      if (t2.$eq(t1, false))
  	        return null;
  	      return A._asStringQ(t1);
  	    },
  	    $signature: 47
  	  };
  	  A.Highlighter$__closure.prototype = {
  	    call$1(line) {
  	      var t1 = line.highlights;
  	      return new A.WhereIterable(t1, new A.Highlighter$___closure(), A._arrayInstanceType(t1)._eval$1("WhereIterable<1>")).get$length(0);
  	    },
  	    $signature: 288
  	  };
  	  A.Highlighter$___closure.prototype = {
  	    call$1(highlight) {
  	      var t1 = highlight.span;
  	      return t1.get$start(t1).get$line() !== t1.get$end(t1).get$line();
  	    },
  	    $signature: 122
  	  };
  	  A.Highlighter$__closure0.prototype = {
  	    call$1(line) {
  	      return line.url;
  	    },
  	    $signature: 290
  	  };
  	  A.Highlighter__collateLines_closure.prototype = {
  	    call$1(highlight) {
  	      var t1 = highlight.span;
  	      t1 = t1.get$sourceUrl(t1);
  	      return t1 == null ? new A.Object() : t1;
  	    },
  	    $signature: 291
  	  };
  	  A.Highlighter__collateLines_closure0.prototype = {
  	    call$2(highlight1, highlight2) {
  	      return highlight1.span.compareTo$1(0, highlight2.span);
  	    },
  	    $signature: 292
  	  };
  	  A.Highlighter__collateLines_closure1.prototype = {
  	    call$1(entry) {
  	      var t1, t2, t3, t4, context, t5, linesBeforeSpan, lineNumber, _i, line, activeHighlights, flags, highlightIndex, oldHighlightLength, t6, t7,
  	        url = entry.key,
  	        highlightsForFile = entry.value,
  	        lines = A._setArrayType([], type$.JSArray__Line);
  	      for (t1 = J.getInterceptor$ax(highlightsForFile), t2 = t1.get$iterator(highlightsForFile), t3 = type$.JSArray__Highlight; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2).span;
  	        context = t4.get$context(t4);
  	        t5 = A.findLineStart(context, t4.get$text(), t4.get$start(t4).get$column());
  	        t5.toString;
  	        linesBeforeSpan = B.JSString_methods.allMatches$1("\n", B.JSString_methods.substring$2(context, 0, t5)).get$length(0);
  	        lineNumber = t4.get$start(t4).get$line() - linesBeforeSpan;
  	        for (t4 = context.split("\n"), t5 = t4.length, _i = 0; _i < t5; ++_i) {
  	          line = t4[_i];
  	          if (lines.length === 0 || lineNumber > B.JSArray_methods.get$last(lines).number)
  	            lines.push(new A._Line(line, lineNumber, url, A._setArrayType([], t3)));
  	          ++lineNumber;
  	        }
  	      }
  	      activeHighlights = A._setArrayType([], t3);
  	      for (t2 = lines.length, flags = activeHighlights.$flags | 0, highlightIndex = 0, _i = 0; _i < lines.length; lines.length === t2 || (0, A.throwConcurrentModificationError)(lines), ++_i) {
  	        line = lines[_i];
  	        flags & 1 && A.throwUnsupportedOperation(activeHighlights, 16);
  	        B.JSArray_methods._removeWhere$2(activeHighlights, new A.Highlighter__collateLines__closure(line), true);
  	        oldHighlightLength = activeHighlights.length;
  	        for (t3 = t1.skip$1(highlightsForFile, highlightIndex), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t5 = line.number, t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	          t6 = t3.__internal$_current;
  	          if (t6 == null)
  	            t6 = t4._as(t6);
  	          t7 = t6.span;
  	          if (t7.get$start(t7).get$line() > t5)
  	            break;
  	          activeHighlights.push(t6);
  	        }
  	        highlightIndex += activeHighlights.length - oldHighlightLength;
  	        B.JSArray_methods.addAll$1(line.highlights, activeHighlights);
  	      }
  	      return lines;
  	    },
  	    $signature: 293
  	  };
  	  A.Highlighter__collateLines__closure.prototype = {
  	    call$1(highlight) {
  	      var t1 = highlight.span;
  	      return t1.get$end(t1).get$line() < this.line.number;
  	    },
  	    $signature: 122
  	  };
  	  A.Highlighter_highlight_closure.prototype = {
  	    call$1(highlight) {
  	      return highlight.isPrimary;
  	    },
  	    $signature: 122
  	  };
  	  A.Highlighter__writeFileStart_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = B.JSString_methods.$mul($._glyphs.get$horizontalLine(), 2) + ">";
  	      t1._contents += t2;
  	      return null;
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeMultilineHighlights_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = $._glyphs;
  	      t2 = this.startLine === this.line.number ? t2.get$topLeftCorner() : t2.get$bottomLeftCorner();
  	      t1._contents += t2;
  	    },
  	    $signature: 1
  	  };
  	  A.Highlighter__writeMultilineHighlights_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = $._glyphs;
  	      t2 = this.highlight == null ? t2.get$horizontalLine() : t2.get$cross();
  	      t1._contents += t2;
  	    },
  	    $signature: 1
  	  };
  	  A.Highlighter__writeMultilineHighlights_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = $._glyphs.get$horizontalLine();
  	      t1._contents += t2;
  	      return null;
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeMultilineHighlights_closure2.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this._box_0,
  	        t2 = t1.openedOnThisLine,
  	        t3 = $._glyphs,
  	        vertical = t2 ? t3.get$cross() : t3.get$verticalLine();
  	      if (_this.current != null)
  	        _this.$this._highlighter$_buffer._contents += vertical;
  	      else {
  	        t2 = _this.line;
  	        t3 = t2.number;
  	        if (_this.startLine === t3) {
  	          t2 = _this.$this;
  	          t2._colorize$2$color(new A.Highlighter__writeMultilineHighlights__closure(t1, t2), t1.openedOnThisLineColor);
  	          t1.openedOnThisLine = true;
  	          if (t1.openedOnThisLineColor == null)
  	            t1.openedOnThisLineColor = _this.highlight.isPrimary ? t2._primaryColor : t2._secondaryColor;
  	        } else {
  	          if (_this.endLine === t3) {
  	            t3 = _this.highlight.span;
  	            t2 = t3.get$end(t3).get$column() === t2.text.length;
  	          } else
  	            t2 = false;
  	          t3 = _this.$this;
  	          if (t2) {
  	            t1 = t3._highlighter$_buffer;
  	            t2 = _this.highlight.label == null ? $._glyphs.glyphOrAscii$2("\u2514", "\\") : vertical;
  	            t1._contents += t2;
  	          } else
  	            t3._colorize$2$color(new A.Highlighter__writeMultilineHighlights__closure0(t3, vertical), t1.openedOnThisLineColor);
  	        }
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A.Highlighter__writeMultilineHighlights__closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = this._box_0.openedOnThisLine ? "\u252c" : "\u250c";
  	      t2 = $._glyphs.glyphOrAscii$2(t2, "/");
  	      t1._contents += t2;
  	    },
  	    $signature: 1
  	  };
  	  A.Highlighter__writeMultilineHighlights__closure0.prototype = {
  	    call$0() {
  	      this.$this._highlighter$_buffer._contents += this.vertical;
  	    },
  	    $signature: 1
  	  };
  	  A.Highlighter__writeHighlightedText_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return _this.$this._writeText$1(B.JSString_methods.substring$2(_this.text, _this.startColumn, _this.endColumn));
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeIndicator_closure.prototype = {
  	    call$0() {
  	      var startColumn, endColumn, tabsBefore, tabsInside,
  	        t1 = this.$this,
  	        t2 = t1._highlighter$_buffer,
  	        t3 = t2._contents,
  	        t4 = this.highlight,
  	        t5 = t4.span;
  	      t4 = t4.isPrimary ? "^" : $._glyphs.get$horizontalLineBold();
  	      startColumn = t5.get$start(t5).get$column();
  	      endColumn = t5.get$end(t5).get$column();
  	      t5 = this.line.text;
  	      tabsBefore = t1._countTabs$1(B.JSString_methods.substring$2(t5, 0, startColumn));
  	      tabsInside = t1._countTabs$1(B.JSString_methods.substring$2(t5, startColumn, endColumn));
  	      startColumn += tabsBefore * 3;
  	      t4 = (t2._contents += B.JSString_methods.$mul(" ", startColumn)) + B.JSString_methods.$mul(t4, Math.max(endColumn + (tabsBefore + tabsInside) * 3 - startColumn, 1));
  	      t2._contents = t4;
  	      return t4.length - t3.length;
  	    },
  	    $signature: 10
  	  };
  	  A.Highlighter__writeIndicator_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.highlight.span;
  	      return this.$this._writeArrow$2(this.line, t1.get$start(t1).get$column());
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeIndicator_closure1.prototype = {
  	    call$0() {
  	      var t4, _this = this,
  	        t1 = _this.$this,
  	        t2 = t1._highlighter$_buffer,
  	        t3 = t2._contents;
  	      if (_this.coversWholeLine) {
  	        t1 = B.JSString_methods.$mul($._glyphs.get$horizontalLine(), 3);
  	        t2._contents += t1;
  	      } else {
  	        t4 = _this.highlight.span;
  	        t1._writeArrow$3$beginning(_this.line, Math.max(t4.get$end(t4).get$column() - 1, 0), false);
  	      }
  	      return t2._contents.length - t3.length;
  	    },
  	    $signature: 10
  	  };
  	  A.Highlighter__writeLabel_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this._highlighter$_buffer,
  	        t2 = " " + B.JSArray_methods.get$first(this.lines);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeLabel_closure0.prototype = {
  	    call$0() {
  	      this.$this._highlighter$_buffer._contents += " " + this.text;
  	      return null;
  	    },
  	    $signature: 0
  	  };
  	  A.Highlighter__writeSidebar_closure.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._highlighter$_buffer,
  	        t3 = this._box_0.text;
  	      if (t3 == null)
  	        t3 = "";
  	      t1 = B.JSString_methods.padRight$1(t3, t1._paddingBeforeSidebar);
  	      t2._contents += t1;
  	      t1 = this.end;
  	      if (t1 == null)
  	        t1 = $._glyphs.get$verticalLine();
  	      t2._contents += t1;
  	    },
  	    $signature: 1
  	  };
  	  A._Highlight.prototype = {
  	    toString$0(_) {
  	      var t1 = this.isPrimary ? "primary " : "",
  	        t2 = this.span;
  	      t2 = t1 + ("" + t2.get$start(t2).get$line() + ":" + t2.get$start(t2).get$column() + "-" + t2.get$end(t2).get$line() + ":" + t2.get$end(t2).get$column());
  	      t1 = this.label;
  	      t1 = t1 != null ? t2 + (" (" + t1 + ")") : t2;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A._Highlight_closure.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4,
  	        newSpan = this.span;
  	      if (!(type$.SourceSpanWithContext._is(newSpan) && A.findLineStart(newSpan.get$context(newSpan), newSpan.get$text(), newSpan.get$start(newSpan).get$column()) != null)) {
  	        t1 = A.SourceLocation$(newSpan.get$start(newSpan).get$offset(), 0, 0, newSpan.get$sourceUrl(newSpan));
  	        t2 = newSpan.get$end(newSpan).get$offset();
  	        t3 = newSpan.get$sourceUrl(newSpan);
  	        t4 = A.countCodeUnits(newSpan.get$text(), 10);
  	        newSpan = A.SourceSpanWithContext$(t1, A.SourceLocation$(t2, A._Highlight__lastLineLength(newSpan.get$text()), t4, t3), newSpan.get$text(), newSpan.get$text());
  	      }
  	      return A._Highlight__normalizeEndOfLine(A._Highlight__normalizeTrailingNewline(A._Highlight__normalizeNewlines(newSpan)));
  	    },
  	    $signature: 294
  	  };
  	  A._Line.prototype = {
  	    toString$0(_) {
  	      return "" + this.number + ': "' + this.text + '" (' + B.JSArray_methods.join$1(this.highlights, ", ") + ")";
  	    }
  	  };
  	  A.SourceLocation.prototype = {
  	    distance$1(other) {
  	      var t1 = this.sourceUrl;
  	      if (!J.$eq$(t1, other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(t1) + '" and "' + A.S(other.get$sourceUrl(other)) + "\" don't match.", null));
  	      return Math.abs(this.offset - other.get$offset());
  	    },
  	    compareTo$1(_, other) {
  	      var t1 = this.sourceUrl;
  	      if (!J.$eq$(t1, other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(t1) + '" and "' + A.S(other.get$sourceUrl(other)) + "\" don't match.", null));
  	      return this.offset - other.get$offset();
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return type$.SourceLocation._is(other) && J.$eq$(this.sourceUrl, other.get$sourceUrl(other)) && this.offset === other.get$offset();
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.sourceUrl;
  	      t1 = t1 == null ? null : t1.get$hashCode(t1);
  	      if (t1 == null)
  	        t1 = 0;
  	      return t1 + this.offset;
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        t1 = A.getRuntimeTypeOfDartObject(_this).toString$0(0),
  	        source = _this.sourceUrl;
  	      return "<" + t1 + ": " + _this.offset + " " + (A.S(source == null ? "unknown source" : source) + ":" + (_this.line + 1) + ":" + (_this.column + 1)) + ">";
  	    },
  	    $isComparable: 1,
  	    get$sourceUrl(receiver) {
  	      return this.sourceUrl;
  	    },
  	    get$offset() {
  	      return this.offset;
  	    },
  	    get$line() {
  	      return this.line;
  	    },
  	    get$column() {
  	      return this.column;
  	    }
  	  };
  	  A.SourceLocationMixin.prototype = {
  	    distance$1(other) {
  	      if (!J.$eq$(this.file.url, other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(this.get$sourceUrl(0)) + '" and "' + A.S(other.get$sourceUrl(other)) + "\" don't match.", null));
  	      return Math.abs(this.offset - other.get$offset());
  	    },
  	    compareTo$1(_, other) {
  	      if (!J.$eq$(this.file.url, other.get$sourceUrl(other)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(this.get$sourceUrl(0)) + '" and "' + A.S(other.get$sourceUrl(other)) + "\" don't match.", null));
  	      return this.offset - other.get$offset();
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return type$.SourceLocation._is(other) && J.$eq$(this.file.url, other.get$sourceUrl(other)) && this.offset === other.get$offset();
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.file.url;
  	      t1 = t1 == null ? null : t1.get$hashCode(t1);
  	      if (t1 == null)
  	        t1 = 0;
  	      return t1 + this.offset;
  	    },
  	    toString$0(_) {
  	      var t1 = A.getRuntimeTypeOfDartObject(this).toString$0(0),
  	        t2 = this.offset,
  	        t3 = this.file,
  	        source = t3.url;
  	      return "<" + t1 + ": " + t2 + " " + (A.S(source == null ? "unknown source" : source) + ":" + (t3.getLine$1(t2) + 1) + ":" + (t3.getColumn$1(t2) + 1)) + ">";
  	    },
  	    $isComparable: 1,
  	    $isSourceLocation: 1
  	  };
  	  A.SourceSpanBase.prototype = {
  	    SourceSpanBase$3(start, end, text) {
  	      var t3,
  	        t1 = this.end,
  	        t2 = this.start;
  	      if (!J.$eq$(t1.get$sourceUrl(t1), t2.get$sourceUrl(t2)))
  	        throw A.wrapException(A.ArgumentError$('Source URLs "' + A.S(t2.get$sourceUrl(t2)) + '" and  "' + A.S(t1.get$sourceUrl(t1)) + "\" don't match.", null));
  	      else if (t1.get$offset() < t2.get$offset())
  	        throw A.wrapException(A.ArgumentError$("End " + t1.toString$0(0) + " must come after start " + t2.toString$0(0) + ".", null));
  	      else {
  	        t3 = this.text;
  	        if (t3.length !== t2.distance$1(t1))
  	          throw A.wrapException(A.ArgumentError$('Text "' + t3 + '" must be ' + t2.distance$1(t1) + " characters long.", null));
  	      }
  	    },
  	    get$start(receiver) {
  	      return this.start;
  	    },
  	    get$end(receiver) {
  	      return this.end;
  	    },
  	    get$text() {
  	      return this.text;
  	    }
  	  };
  	  A.SourceSpanException.prototype = {
  	    get$message(_) {
  	      return this._span_exception$_message;
  	    },
  	    get$span(_) {
  	      return this._span;
  	    },
  	    toString$1$color(_, color) {
  	      var _this = this;
  	      _this.get$span(_this);
  	      return "Error on " + _this.get$span(_this).message$2$color(0, _this._span_exception$_message, color);
  	    },
  	    toString$0(_) {
  	      return this.toString$1$color(0, null);
  	    },
  	    $isException: 1
  	  };
  	  A.SourceSpanFormatException.prototype = {$isFormatException: 1,
  	    get$source() {
  	      return this.source;
  	    }
  	  };
  	  A.MultiSourceSpanException.prototype = {
  	    toString$0(_) {
  	      var _this = this;
  	      return "Error on " + A.SourceSpanExtension_messageMultiple(_this._span, _this._span_exception$_message, _this.primaryLabel, _this.secondarySpans, false, null, null);
  	    },
  	    get$primaryLabel() {
  	      return this.primaryLabel;
  	    },
  	    get$secondarySpans() {
  	      return this.secondarySpans;
  	    }
  	  };
  	  A.MultiSourceSpanFormatException.prototype = {$isFormatException: 1};
  	  A.SourceSpanMixin.prototype = {
  	    get$sourceUrl(_) {
  	      var t1 = this.get$start(this);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    get$length(_) {
  	      var _this = this;
  	      return _this.get$end(_this).get$offset() - _this.get$start(_this).get$offset();
  	    },
  	    compareTo$1(_, other) {
  	      var _this = this,
  	        result = _this.get$start(_this).compareTo$1(0, other.get$start(other));
  	      return result === 0 ? _this.get$end(_this).compareTo$1(0, other.get$end(other)) : result;
  	    },
  	    message$2$color(_, message, color) {
  	      var t2, t3, highlight, _this = this,
  	        t1 = "line " + (_this.get$start(_this).get$line() + 1) + ", column " + (_this.get$start(_this).get$column() + 1);
  	      if (_this.get$sourceUrl(_this) != null) {
  	        t2 = _this.get$sourceUrl(_this);
  	        t3 = $.$get$context();
  	        t2.toString;
  	        t2 = t1 + (" of " + t3.prettyUri$1(t2));
  	        t1 = t2;
  	      }
  	      t1 += ": " + message;
  	      highlight = _this.highlight$1$color(color);
  	      if (highlight.length !== 0)
  	        t1 = t1 + "\n" + highlight;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    message$1(_, message) {
  	      return this.message$2$color(0, message, null);
  	    },
  	    highlight$1$color(color) {
  	      var _this = this;
  	      if (!type$.SourceSpanWithContext._is(_this) && _this.get$length(_this) === 0)
  	        return "";
  	      return A.Highlighter$(_this, color).highlight$0();
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return type$.SourceSpan._is(other) && _this.get$start(_this).$eq(0, other.get$start(other)) && _this.get$end(_this).$eq(0, other.get$end(other));
  	    },
  	    get$hashCode(_) {
  	      var _this = this;
  	      return A.Object_hash(_this.get$start(_this), _this.get$end(_this), B.C_SentinelValue, B.C_SentinelValue);
  	    },
  	    toString$0(_) {
  	      var _this = this;
  	      return "<" + A.getRuntimeTypeOfDartObject(_this).toString$0(0) + ": from " + _this.get$start(_this).toString$0(0) + " to " + _this.get$end(_this).toString$0(0) + ' "' + _this.get$text() + '">';
  	    },
  	    $isComparable: 1,
  	    $isSourceSpan: 1
  	  };
  	  A.SourceSpanWithContext.prototype = {
  	    get$context(_) {
  	      return this._context;
  	    }
  	  };
  	  A.Chain.prototype = {
  	    toTrace$0() {
  	      var t1 = this.traces;
  	      return A.Trace$(new A.ExpandIterable(t1, new A.Chain_toTrace_closure(), A._arrayInstanceType(t1)._eval$1("ExpandIterable<1,Frame>")), null);
  	    },
  	    toString$0(_) {
  	      var t1 = this.traces,
  	        t2 = A._arrayInstanceType(t1);
  	      return new A.MappedListIterable(t1, new A.Chain_toString_closure(new A.MappedListIterable(t1, new A.Chain_toString_closure0(), t2._eval$1("MappedListIterable<1,int>")).fold$2(0, 0, B.CONSTANT)), t2._eval$1("MappedListIterable<1,String>")).join$1(0, string$.x3d_____);
  	    },
  	    $isStackTrace: 1
  	  };
  	  A.Chain_Chain$parse_closure.prototype = {
  	    call$1(line) {
  	      return line.length !== 0;
  	    },
  	    $signature: 4
  	  };
  	  A.Chain_toTrace_closure.prototype = {
  	    call$1(trace) {
  	      return trace.get$frames();
  	    },
  	    $signature: 295
  	  };
  	  A.Chain_toString_closure0.prototype = {
  	    call$1(trace) {
  	      var t1 = trace.get$frames();
  	      return new A.MappedListIterable(t1, new A.Chain_toString__closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,int>")).fold$2(0, 0, B.CONSTANT);
  	    },
  	    $signature: 296
  	  };
  	  A.Chain_toString__closure0.prototype = {
  	    call$1(frame) {
  	      return frame.get$location().length;
  	    },
  	    $signature: 196
  	  };
  	  A.Chain_toString_closure.prototype = {
  	    call$1(trace) {
  	      var t1 = trace.get$frames();
  	      return new A.MappedListIterable(t1, new A.Chain_toString__closure(this.longest), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	    },
  	    $signature: 298
  	  };
  	  A.Chain_toString__closure.prototype = {
  	    call$1(frame) {
  	      return B.JSString_methods.padRight$1(frame.get$location(), this.longest) + "  " + A.S(frame.get$member()) + "\n";
  	    },
  	    $signature: 197
  	  };
  	  A.Frame.prototype = {
  	    get$isCore() {
  	      return this.uri.get$scheme() === "dart";
  	    },
  	    get$library() {
  	      var t1 = this.uri;
  	      if (t1.get$scheme() === "data")
  	        return "data:...";
  	      return $.$get$context().prettyUri$1(t1);
  	    },
  	    get$$package() {
  	      var t1 = this.uri;
  	      if (t1.get$scheme() !== "package")
  	        return null;
  	      return B.JSArray_methods.get$first(t1.get$path(t1).split("/"));
  	    },
  	    get$location() {
  	      var t2, _this = this,
  	        t1 = _this.line;
  	      if (t1 == null)
  	        return _this.get$library();
  	      t2 = _this.column;
  	      if (t2 == null)
  	        return _this.get$library() + " " + A.S(t1);
  	      return _this.get$library() + " " + A.S(t1) + ":" + A.S(t2);
  	    },
  	    toString$0(_) {
  	      return this.get$location() + " in " + A.S(this.member);
  	    },
  	    get$uri() {
  	      return this.uri;
  	    },
  	    get$line() {
  	      return this.line;
  	    },
  	    get$column() {
  	      return this.column;
  	    },
  	    get$member() {
  	      return this.member;
  	    }
  	  };
  	  A.Frame_Frame$parseVM_closure.prototype = {
  	    call$0() {
  	      var match, t2, t3, member, uri, lineAndColumn, line, _null = null,
  	        t1 = this.frame;
  	      if (t1 === "...")
  	        return new A.Frame(A._Uri__Uri(_null, _null, _null, _null), _null, _null, "...");
  	      match = $.$get$_vmFrame().firstMatch$1(t1);
  	      if (match == null)
  	        return new A.UnparsedFrame(A._Uri__Uri(_null, "unparsed", _null, _null), t1);
  	      t1 = match._match;
  	      t2 = t1[1];
  	      t2.toString;
  	      t3 = $.$get$_asyncBody();
  	      t2 = A.stringReplaceAllUnchecked(t2, t3, "<async>");
  	      member = A.stringReplaceAllUnchecked(t2, "<anonymous closure>", "<fn>");
  	      t2 = t1[2];
  	      t3 = t2;
  	      t3.toString;
  	      if (B.JSString_methods.startsWith$1(t3, "<data:"))
  	        uri = A.Uri_Uri$dataFromString("", _null, _null);
  	      else {
  	        t2 = t2;
  	        t2.toString;
  	        uri = A.Uri_parse(t2);
  	      }
  	      lineAndColumn = t1[3].split(":");
  	      t1 = lineAndColumn.length;
  	      line = t1 > 1 ? A.int_parse(lineAndColumn[1], _null) : _null;
  	      return new A.Frame(uri, line, t1 > 2 ? A.int_parse(lineAndColumn[2], _null) : _null, member);
  	    },
  	    $signature: 76
  	  };
  	  A.Frame_Frame$parseV8_closure.prototype = {
  	    call$0() {
  	      var member, uri, t2, functionOffset, t3, _s4_ = "<fn>",
  	        t1 = this.frame,
  	        match = $.$get$_v8WasmFrame().firstMatch$1(t1);
  	      if (match != null) {
  	        member = match.namedGroup$1("member");
  	        t1 = match.namedGroup$1("uri");
  	        t1.toString;
  	        uri = A.Frame__uriOrPathToUri(t1);
  	        t1 = match.namedGroup$1("index");
  	        t1.toString;
  	        t2 = match.namedGroup$1("offset");
  	        t2.toString;
  	        functionOffset = A.int_parse(t2, 16);
  	        if (!(member == null))
  	          t1 = member;
  	        return new A.Frame(uri, 1, functionOffset + 1, t1);
  	      }
  	      match = $.$get$_v8JsFrame().firstMatch$1(t1);
  	      if (match != null) {
  	        t1 = new A.Frame_Frame$parseV8_closure_parseJsLocation(t1);
  	        t2 = match._match;
  	        t3 = t2[2];
  	        if (t3 != null) {
  	          t3 = t3;
  	          t3.toString;
  	          t2 = t2[1];
  	          t2.toString;
  	          t2 = A.stringReplaceAllUnchecked(t2, "<anonymous>", _s4_);
  	          t2 = A.stringReplaceAllUnchecked(t2, "Anonymous function", _s4_);
  	          return t1.call$2(t3, A.stringReplaceAllUnchecked(t2, "(anonymous function)", _s4_));
  	        } else {
  	          t2 = t2[3];
  	          t2.toString;
  	          return t1.call$2(t2, _s4_);
  	        }
  	      }
  	      return new A.UnparsedFrame(A._Uri__Uri(null, "unparsed", null, null), t1);
  	    },
  	    $signature: 76
  	  };
  	  A.Frame_Frame$parseV8_closure_parseJsLocation.prototype = {
  	    call$2($location, member) {
  	      var t2, urlMatch, uri, line, columnMatch, _null = null,
  	        t1 = $.$get$_v8EvalLocation(),
  	        evalMatch = t1.firstMatch$1($location);
  	      for (; evalMatch != null; $location = t2) {
  	        t2 = evalMatch._match[1];
  	        t2.toString;
  	        evalMatch = t1.firstMatch$1(t2);
  	      }
  	      if ($location === "native")
  	        return new A.Frame(A.Uri_parse("native"), _null, _null, member);
  	      urlMatch = $.$get$_v8JsUrlLocation().firstMatch$1($location);
  	      if (urlMatch == null)
  	        return new A.UnparsedFrame(A._Uri__Uri(_null, "unparsed", _null, _null), this.frame);
  	      t1 = urlMatch._match;
  	      t2 = t1[1];
  	      t2.toString;
  	      uri = A.Frame__uriOrPathToUri(t2);
  	      t2 = t1[2];
  	      t2.toString;
  	      line = A.int_parse(t2, _null);
  	      columnMatch = t1[3];
  	      return new A.Frame(uri, line, columnMatch != null ? A.int_parse(columnMatch, _null) : _null, member);
  	    },
  	    $signature: 301
  	  };
  	  A.Frame_Frame$_parseFirefoxEval_closure.prototype = {
  	    call$0() {
  	      var t2, member, uri, line, _null = null,
  	        t1 = this.frame,
  	        match = $.$get$_firefoxEvalLocation().firstMatch$1(t1);
  	      if (match == null)
  	        return new A.UnparsedFrame(A._Uri__Uri(_null, "unparsed", _null, _null), t1);
  	      t1 = match._match;
  	      t2 = t1[1];
  	      t2.toString;
  	      member = A.stringReplaceAllUnchecked(t2, "/<", "");
  	      t2 = t1[2];
  	      t2.toString;
  	      uri = A.Frame__uriOrPathToUri(t2);
  	      t1 = t1[3];
  	      t1.toString;
  	      line = A.int_parse(t1, _null);
  	      return new A.Frame(uri, line, _null, member.length === 0 || member === "anonymous" ? "<fn>" : member);
  	    },
  	    $signature: 76
  	  };
  	  A.Frame_Frame$parseFirefox_closure.prototype = {
  	    call$0() {
  	      var t2, t3, t4, uri, member, line, column, functionOffset, _null = null,
  	        t1 = this.frame,
  	        match = $.$get$_firefoxSafariJSFrame().firstMatch$1(t1);
  	      if (match != null) {
  	        t2 = match._match;
  	        t3 = t2[3];
  	        t4 = t3;
  	        t4.toString;
  	        if (B.JSString_methods.contains$1(t4, " line "))
  	          return A.Frame_Frame$_parseFirefoxEval(t1);
  	        t1 = t3;
  	        t1.toString;
  	        uri = A.Frame__uriOrPathToUri(t1);
  	        member = t2[1];
  	        if (member != null) {
  	          t1 = t2[2];
  	          t1.toString;
  	          member += B.JSArray_methods.join$0(A.List_List$filled(B.JSString_methods.allMatches$1("/", t1).get$length(0), ".<fn>", false, type$.String));
  	          if (member === "")
  	            member = "<fn>";
  	          member = B.JSString_methods.replaceFirst$2(member, $.$get$_initialDot(), "");
  	        } else
  	          member = "<fn>";
  	        t1 = t2[4];
  	        if (t1 === "")
  	          line = _null;
  	        else {
  	          t1 = t1;
  	          t1.toString;
  	          line = A.int_parse(t1, _null);
  	        }
  	        t1 = t2[5];
  	        if (t1 == null || t1 === "")
  	          column = _null;
  	        else {
  	          t1 = t1;
  	          t1.toString;
  	          column = A.int_parse(t1, _null);
  	        }
  	        return new A.Frame(uri, line, column, member);
  	      }
  	      match = $.$get$_firefoxWasmFrame().firstMatch$1(t1);
  	      if (match != null) {
  	        t1 = match.namedGroup$1("member");
  	        t1.toString;
  	        t2 = match.namedGroup$1("uri");
  	        t2.toString;
  	        uri = A.Frame__uriOrPathToUri(t2);
  	        t2 = match.namedGroup$1("index");
  	        t2.toString;
  	        t3 = match.namedGroup$1("offset");
  	        t3.toString;
  	        functionOffset = A.int_parse(t3, 16);
  	        if (!(t1.length !== 0))
  	          t1 = t2;
  	        return new A.Frame(uri, 1, functionOffset + 1, t1);
  	      }
  	      match = $.$get$_safariWasmFrame().firstMatch$1(t1);
  	      if (match != null) {
  	        t1 = match.namedGroup$1("member");
  	        t1.toString;
  	        return new A.Frame(A._Uri__Uri(_null, "wasm code", _null, _null), _null, _null, t1);
  	      }
  	      return new A.UnparsedFrame(A._Uri__Uri(_null, "unparsed", _null, _null), t1);
  	    },
  	    $signature: 76
  	  };
  	  A.Frame_Frame$parseFriendly_closure.prototype = {
  	    call$0() {
  	      var t2, uri, line, column, _null = null,
  	        t1 = this.frame,
  	        match = $.$get$_friendlyFrame().firstMatch$1(t1);
  	      if (match == null)
  	        throw A.wrapException(A.FormatException$("Couldn't parse package:stack_trace stack trace line '" + t1 + "'.", _null, _null));
  	      t1 = match._match;
  	      t2 = t1[1];
  	      if (t2 === "data:...")
  	        uri = A.Uri_Uri$dataFromString("", _null, _null);
  	      else {
  	        t2 = t2;
  	        t2.toString;
  	        uri = A.Uri_parse(t2);
  	      }
  	      if (uri.get$scheme() === "") {
  	        t2 = $.$get$context();
  	        uri = t2.toUri$1(A.absolute(t2.style.pathFromUri$1(A._parseUri(uri)), _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null));
  	      }
  	      t2 = t1[2];
  	      if (t2 == null)
  	        line = _null;
  	      else {
  	        t2 = t2;
  	        t2.toString;
  	        line = A.int_parse(t2, _null);
  	      }
  	      t2 = t1[3];
  	      if (t2 == null)
  	        column = _null;
  	      else {
  	        t2 = t2;
  	        t2.toString;
  	        column = A.int_parse(t2, _null);
  	      }
  	      return new A.Frame(uri, line, column, t1[4]);
  	    },
  	    $signature: 76
  	  };
  	  A.LazyTrace.prototype = {
  	    get$_lazy_trace$_trace() {
  	      var result, _this = this,
  	        value = _this.__LazyTrace__trace_FI;
  	      if (value === $) {
  	        result = _this._thunk.call$0();
  	        _this.__LazyTrace__trace_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this.__LazyTrace__trace_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$frames() {
  	      return this.get$_lazy_trace$_trace().get$frames();
  	    },
  	    get$terse() {
  	      return new A.LazyTrace(new A.LazyTrace_terse_closure(this));
  	    },
  	    toString$0(_) {
  	      return this.get$_lazy_trace$_trace().toString$0(0);
  	    },
  	    $isStackTrace: 1,
  	    $isTrace: 1
  	  };
  	  A.LazyTrace_terse_closure.prototype = {
  	    call$0() {
  	      return this.$this.get$_lazy_trace$_trace().get$terse();
  	    },
  	    $signature: 199
  	  };
  	  A.Trace.prototype = {
  	    get$terse() {
  	      return this.foldFrames$2$terse(new A.Trace_terse_closure(), true);
  	    },
  	    foldFrames$2$terse(predicate, terse) {
  	      var newFrames, t1, t2, t3, _box_0 = {};
  	      _box_0.predicate = predicate;
  	      _box_0.predicate = new A.Trace_foldFrames_closure(predicate);
  	      newFrames = A._setArrayType([], type$.JSArray_Frame);
  	      for (t1 = this.frames, t2 = A._arrayInstanceType(t1)._eval$1("ReversedListIterable<1>"), t1 = new A.ReversedListIterable(t1, t2), t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListIterable.E>")), t2 = t2._eval$1("ListIterable.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        if (t3 instanceof A.UnparsedFrame || !_box_0.predicate.call$1(t3))
  	          newFrames.push(t3);
  	        else if (newFrames.length === 0 || !_box_0.predicate.call$1(B.JSArray_methods.get$last(newFrames)))
  	          newFrames.push(new A.Frame(t3.get$uri(), t3.get$line(), t3.get$column(), t3.get$member()));
  	      }
  	      t1 = type$.MappedListIterable_Frame_Frame;
  	      newFrames = A.List_List$_of(new A.MappedListIterable(newFrames, new A.Trace_foldFrames_closure0(_box_0), t1), t1._eval$1("ListIterable.E"));
  	      if (newFrames.length > 1 && _box_0.predicate.call$1(B.JSArray_methods.get$first(newFrames)))
  	        B.JSArray_methods.removeAt$1(newFrames, 0);
  	      return A.Trace$(new A.ReversedListIterable(newFrames, A._arrayInstanceType(newFrames)._eval$1("ReversedListIterable<1>")), this.original._stackTrace);
  	    },
  	    toString$0(_) {
  	      var t1 = this.frames,
  	        t2 = A._arrayInstanceType(t1);
  	      return new A.MappedListIterable(t1, new A.Trace_toString_closure(new A.MappedListIterable(t1, new A.Trace_toString_closure0(), t2._eval$1("MappedListIterable<1,int>")).fold$2(0, 0, B.CONSTANT)), t2._eval$1("MappedListIterable<1,String>")).join$0(0);
  	    },
  	    $isStackTrace: 1,
  	    get$frames() {
  	      return this.frames;
  	    }
  	  };
  	  A.Trace_Trace$from_closure.prototype = {
  	    call$0() {
  	      return A.Trace_Trace$parse(this.trace.toString$0(0));
  	    },
  	    $signature: 199
  	  };
  	  A.Trace__parseVM_closure.prototype = {
  	    call$1(line) {
  	      return line.length !== 0;
  	    },
  	    $signature: 4
  	  };
  	  A.Trace$parseV8_closure.prototype = {
  	    call$1(line) {
  	      return !B.JSString_methods.startsWith$1(line, $.$get$_v8TraceLine());
  	    },
  	    $signature: 4
  	  };
  	  A.Trace$parseJSCore_closure.prototype = {
  	    call$1(line) {
  	      return line !== "\tat ";
  	    },
  	    $signature: 4
  	  };
  	  A.Trace$parseFirefox_closure.prototype = {
  	    call$1(line) {
  	      return line.length !== 0 && line !== "[native code]";
  	    },
  	    $signature: 4
  	  };
  	  A.Trace$parseFriendly_closure.prototype = {
  	    call$1(line) {
  	      return !B.JSString_methods.startsWith$1(line, "=====");
  	    },
  	    $signature: 4
  	  };
  	  A.Trace_terse_closure.prototype = {
  	    call$1(_) {
  	      return false;
  	    },
  	    $signature: 200
  	  };
  	  A.Trace_foldFrames_closure.prototype = {
  	    call$1(frame) {
  	      var t1;
  	      if (this.oldPredicate.call$1(frame))
  	        return true;
  	      if (frame.get$isCore())
  	        return true;
  	      if (frame.get$$package() === "stack_trace")
  	        return true;
  	      t1 = frame.get$member();
  	      t1.toString;
  	      if (!B.JSString_methods.contains$1(t1, "<async>"))
  	        return false;
  	      return frame.get$line() == null;
  	    },
  	    $signature: 200
  	  };
  	  A.Trace_foldFrames_closure0.prototype = {
  	    call$1(frame) {
  	      var t1, t2;
  	      if (frame instanceof A.UnparsedFrame || !this._box_0.predicate.call$1(frame))
  	        return frame;
  	      t1 = frame.get$library();
  	      t2 = $.$get$_terseRegExp();
  	      return new A.Frame(A.Uri_parse(A.stringReplaceAllUnchecked(t1, t2, "")), null, null, frame.get$member());
  	    },
  	    $signature: 304
  	  };
  	  A.Trace_toString_closure0.prototype = {
  	    call$1(frame) {
  	      return frame.get$location().length;
  	    },
  	    $signature: 196
  	  };
  	  A.Trace_toString_closure.prototype = {
  	    call$1(frame) {
  	      if (frame instanceof A.UnparsedFrame)
  	        return frame.toString$0(0) + "\n";
  	      return B.JSString_methods.padRight$1(frame.get$location(), this.longest) + "  " + A.S(frame.get$member()) + "\n";
  	    },
  	    $signature: 197
  	  };
  	  A.UnparsedFrame.prototype = {
  	    toString$0(_) {
  	      return this.member;
  	    },
  	    $isFrame: 1,
  	    get$uri() {
  	      return this.uri;
  	    },
  	    get$line() {
  	      return null;
  	    },
  	    get$column() {
  	      return null;
  	    },
  	    get$isCore() {
  	      return false;
  	    },
  	    get$library() {
  	      return "unparsed";
  	    },
  	    get$$package() {
  	      return null;
  	    },
  	    get$location() {
  	      return "unparsed";
  	    },
  	    get$member() {
  	      return this.member;
  	    }
  	  };
  	  A.TransformByHandlers_transformByHandlers_closure.prototype = {
  	    call$0() {
  	      var t2, subscription, t3, t4, _this = this, t1 = {};
  	      t1.valuesDone = false;
  	      t2 = _this.controller;
  	      subscription = _this._this.listen$3$onDone$onError(0, new A.TransformByHandlers_transformByHandlers__closure(_this.onData, t2, _this.S), new A.TransformByHandlers_transformByHandlers__closure0(t1, _this.handleDone, t2), new A.TransformByHandlers_transformByHandlers__closure1(_this.handleError, t2));
  	      t3 = _this._box_1;
  	      t3.subscription = subscription;
  	      t2.set$onPause(subscription.get$pause(subscription));
  	      t4 = t3.subscription;
  	      t2.set$onResume(t4.get$resume(t4));
  	      t2.set$onCancel(new A.TransformByHandlers_transformByHandlers__closure2(t3, t1));
  	    },
  	    $signature: 0
  	  };
  	  A.TransformByHandlers_transformByHandlers__closure.prototype = {
  	    call$1(value) {
  	      return this.onData.call$2(value, this.controller);
  	    },
  	    $signature() {
  	      return this.S._eval$1("~(0)");
  	    }
  	  };
  	  A.TransformByHandlers_transformByHandlers__closure1.prototype = {
  	    call$2(error, stackTrace) {
  	      this.handleError.call$3(error, stackTrace, this.controller);
  	    },
  	    $signature: 51
  	  };
  	  A.TransformByHandlers_transformByHandlers__closure0.prototype = {
  	    call$0() {
  	      this._box_0.valuesDone = true;
  	      this.handleDone.call$1(this.controller);
  	    },
  	    $signature: 0
  	  };
  	  A.TransformByHandlers_transformByHandlers__closure2.prototype = {
  	    call$0() {
  	      var t1 = this._box_1,
  	        toCancel = t1.subscription;
  	      t1.subscription = null;
  	      if (!this._box_0.valuesDone)
  	        return toCancel.cancel$0();
  	      return null;
  	    },
  	    $signature: 226
  	  };
  	  A.RateLimit__debounceAggregate_closure.prototype = {
  	    call$2(value, sink) {
  	      var _this = this,
  	        t1 = _this._box_0,
  	        t2 = new A.RateLimit__debounceAggregate_closure_emit(t1, sink, _this.S),
  	        t3 = t1.timer;
  	      if (t3 != null)
  	        t3.cancel$0();
  	      t1.soFar = _this.collect.call$2(value, t1.soFar);
  	      t1.hasPending = true;
  	      if (t1.timer == null && _this.leading) {
  	        t1.emittedLatestAsLeading = true;
  	        t2.call$0();
  	      } else
  	        t1.emittedLatestAsLeading = false;
  	      t1.timer = A.Timer_Timer(_this.duration, new A.RateLimit__debounceAggregate__closure(t1, _this.trailing, t2, sink));
  	    },
  	    $signature() {
  	      return this.T._eval$1("@<0>")._bind$1(this.S)._eval$1("~(1,EventSink<2>)");
  	    }
  	  };
  	  A.RateLimit__debounceAggregate_closure_emit.prototype = {
  	    call$0() {
  	      var t1 = this._box_0,
  	        t2 = t1.soFar;
  	      if (t2 == null)
  	        t2 = this.S._as(t2);
  	      this.sink.add$1(0, t2);
  	      t1.soFar = null;
  	      t1.hasPending = false;
  	    },
  	    $signature: 0
  	  };
  	  A.RateLimit__debounceAggregate__closure.prototype = {
  	    call$0() {
  	      var t1 = this._box_0,
  	        t2 = t1.emittedLatestAsLeading;
  	      if (!t2)
  	        this.emit.call$0();
  	      if (t1.shouldClose)
  	        this.sink.close$0(0);
  	      t1.timer = null;
  	    },
  	    $signature: 0
  	  };
  	  A.RateLimit__debounceAggregate_closure0.prototype = {
  	    call$1(sink) {
  	      var t1 = this._box_0;
  	      if (t1.hasPending && this.trailing)
  	        t1.shouldClose = true;
  	      else {
  	        t1 = t1.timer;
  	        if (t1 != null)
  	          t1.cancel$0();
  	        sink.close$0(0);
  	      }
  	    },
  	    $signature() {
  	      return this.S._eval$1("~(EventSink<0>)");
  	    }
  	  };
  	  A.StringScannerException.prototype = {
  	    get$source() {
  	      return A._asString(this.source);
  	    }
  	  };
  	  A.LineScanner.prototype = {
  	    scanChar$1(character) {
  	      if (!this.super$StringScanner$scanChar(character))
  	        return false;
  	      this._adjustLineAndColumn$1(character);
  	      return true;
  	    },
  	    readChar$0() {
  	      var character = this.super$StringScanner$readChar();
  	      this._adjustLineAndColumn$1(character);
  	      return character;
  	    },
  	    _adjustLineAndColumn$1(character) {
  	      var t1, _this = this;
  	      if (character !== 10)
  	        t1 = character === 13 && _this.peekChar$0() !== 10;
  	      else
  	        t1 = true;
  	      if (t1) {
  	        ++_this._line_scanner$_line;
  	        _this._line_scanner$_column = 0;
  	      } else {
  	        t1 = _this._line_scanner$_column;
  	        _this._line_scanner$_column = t1 + (character >= 65536 && character <= 1114111 ? 2 : 1);
  	      }
  	    },
  	    scan$1(pattern) {
  	      var t1, newlines, t2, _this = this;
  	      if (!_this.super$StringScanner$scan(pattern))
  	        return false;
  	      t1 = _this.get$lastMatch();
  	      newlines = _this._newlinesIn$2$endPosition(t1.pattern, _this._string_scanner$_position);
  	      t1 = _this._line_scanner$_line;
  	      t2 = newlines.length;
  	      _this._line_scanner$_line = t1 + t2;
  	      if (t2 === 0) {
  	        t1 = _this._line_scanner$_column;
  	        t2 = _this.get$lastMatch();
  	        _this._line_scanner$_column = t1 + t2.pattern.length;
  	      } else {
  	        t1 = _this.get$lastMatch();
  	        t1 = t1.pattern;
  	        t2 = B.JSArray_methods.get$last(newlines);
  	        _this._line_scanner$_column = t1.length - t2.get$end(t2);
  	      }
  	      return true;
  	    },
  	    _newlinesIn$2$endPosition(text, endPosition) {
  	      var t1 = $.$get$_newlineRegExp().allMatches$1(0, text),
  	        newlines = A.List_List$_of(t1, A._instanceType(t1)._eval$1("Iterable.E"));
  	      t1 = this.string;
  	      if (endPosition < t1.length && B.JSString_methods.endsWith$1(text, "\r") && t1[endPosition] === "\n")
  	        newlines.pop();
  	      return newlines;
  	    }
  	  };
  	  A.SpanScanner.prototype = {
  	    set$state(state) {
  	      if (state._scanner !== this)
  	        throw A.wrapException(A.ArgumentError$("The given LineScannerState was not returned by this LineScanner.", null));
  	      this.set$position(state.position);
  	    },
  	    spanFrom$2(startState, endState) {
  	      var endPosition = endState == null ? this._string_scanner$_position : endState.position;
  	      return this._sourceFile.span$2(0, startState.position, endPosition);
  	    },
  	    spanFrom$1(startState) {
  	      return this.spanFrom$2(startState, null);
  	    },
  	    spanFromPosition$2(startPosition, endPosition) {
  	      var t1 = endPosition == null ? this._string_scanner$_position : endPosition;
  	      return this._sourceFile.span$2(0, startPosition, t1);
  	    },
  	    matches$1(pattern) {
  	      var t1, t2, _this = this;
  	      if (!_this.super$StringScanner$matches(pattern))
  	        return false;
  	      t1 = _this._string_scanner$_position;
  	      t2 = _this.get$lastMatch();
  	      _this._sourceFile.span$2(0, t1, t2.start + t2.pattern.length);
  	      return true;
  	    },
  	    error$3$length$position(_, message, $length, position) {
  	      var match, t2, _this = this,
  	        t1 = _this.string;
  	      A.validateErrorArgs(t1, null, position, $length);
  	      match = position == null && $length == null ? _this.get$lastMatch() : null;
  	      if (position == null)
  	        position = match == null ? _this._string_scanner$_position : match.start;
  	      if ($length == null)
  	        if (match == null)
  	          $length = 0;
  	        else {
  	          t2 = match.start;
  	          $length = t2 + match.pattern.length - t2;
  	        }
  	      throw A.wrapException(A.StringScannerException$(message, _this._sourceFile.span$2(0, position, position + $length), t1));
  	    },
  	    error$1(_, message) {
  	      return this.error$3$length$position(0, message, null, null);
  	    },
  	    error$2$position(_, message, position) {
  	      return this.error$3$length$position(0, message, null, position);
  	    },
  	    error$2$length(_, message, $length) {
  	      return this.error$3$length$position(0, message, $length, null);
  	    }
  	  };
  	  A._SpanScannerState.prototype = {};
  	  A.StringScanner.prototype = {
  	    set$position(position) {
  	      if (B.JSInt_methods.get$isNegative(position) || position > this.string.length)
  	        throw A.wrapException(A.ArgumentError$("Invalid position " + position, null));
  	      this._string_scanner$_position = position;
  	      this._lastMatch = null;
  	    },
  	    get$lastMatch() {
  	      var _this = this;
  	      if (_this._string_scanner$_position !== _this._lastMatchPosition)
  	        _this._lastMatch = null;
  	      return _this._lastMatch;
  	    },
  	    readChar$0() {
  	      var _this = this,
  	        t1 = _this.string;
  	      if (_this._string_scanner$_position === t1.length)
  	        _this._fail$1("more input");
  	      return t1.charCodeAt(_this._string_scanner$_position++);
  	    },
  	    peekChar$1(offset) {
  	      var index;
  	      if (offset == null)
  	        offset = 0;
  	      index = this._string_scanner$_position + offset;
  	      if (index < 0 || index >= this.string.length)
  	        return null;
  	      return this.string.charCodeAt(index);
  	    },
  	    peekChar$0() {
  	      return this.peekChar$1(null);
  	    },
  	    scanChar$1(character) {
  	      var t1, t2, t3, t4, _this = this;
  	      if (character >= 65536 && character <= 1114111) {
  	        t1 = _this._string_scanner$_position;
  	        t2 = t1 + 1;
  	        t3 = _this.string;
  	        if (t2 < t3.length) {
  	          t4 = character - 65536;
  	          t2 = t3.charCodeAt(t1) !== B.JSInt_methods._shrOtherPositive$1(t4, 10) + 55296 || t3.charCodeAt(t2) !== (t4 & 1023) + 56320;
  	        } else
  	          t2 = true;
  	        if (t2)
  	          return false;
  	        else {
  	          _this._string_scanner$_position = t1 + 2;
  	          return true;
  	        }
  	      } else {
  	        t1 = _this._string_scanner$_position;
  	        t2 = _this.string;
  	        if (t1 === t2.length)
  	          return false;
  	        if (t2.charCodeAt(t1) !== character)
  	          return false;
  	        _this._string_scanner$_position = t1 + 1;
  	        return true;
  	      }
  	    },
  	    expectChar$2$name(character, $name) {
  	      if (this.scanChar$1(character))
  	        return;
  	      if ($name == null)
  	        if (character === 92)
  	          $name = '"\\"';
  	        else
  	          $name = character === 34 ? '"\\""' : '"' + A.Primitives_stringFromCharCode(character) + '"';
  	      this._fail$1($name);
  	    },
  	    expectChar$1(character) {
  	      return this.expectChar$2$name(character, null);
  	    },
  	    scan$1(pattern) {
  	      var t1, _this = this,
  	        success = _this.matches$1(pattern);
  	      if (success) {
  	        t1 = _this._lastMatch;
  	        _this._lastMatchPosition = _this._string_scanner$_position = t1.start + t1.pattern.length;
  	      }
  	      return success;
  	    },
  	    expect$1(pattern) {
  	      var t1, $name;
  	      if (this.scan$1(pattern))
  	        return;
  	      t1 = A.stringReplaceAllUnchecked(pattern, "\\", "\\\\");
  	      $name = '"' + A.stringReplaceAllUnchecked(t1, '"', '\\"') + '"';
  	      this._fail$1($name);
  	    },
  	    expectDone$0() {
  	      if (this._string_scanner$_position === this.string.length)
  	        return;
  	      this._fail$1("no more input");
  	    },
  	    matches$1(pattern) {
  	      var _this = this,
  	        t1 = B.JSString_methods.matchAsPrefix$2(pattern, _this.string, _this._string_scanner$_position);
  	      _this._lastMatch = t1;
  	      _this._lastMatchPosition = _this._string_scanner$_position;
  	      return t1 != null;
  	    },
  	    substring$1(_, start) {
  	      var end = this._string_scanner$_position;
  	      return B.JSString_methods.substring$2(this.string, start, end);
  	    },
  	    error$3$length$position(_, message, $length, position) {
  	      var match, t2, _this = this,
  	        t1 = _this.string;
  	      A.validateErrorArgs(t1, null, position, $length);
  	      match = position == null && $length == null ? _this.get$lastMatch() : null;
  	      if (position == null)
  	        position = match == null ? _this._string_scanner$_position : match.start;
  	      if ($length == null)
  	        if (match == null)
  	          $length = 0;
  	        else {
  	          t2 = match.start;
  	          $length = t2 + match.pattern.length - t2;
  	        }
  	      throw A.wrapException(A.StringScannerException$(message, A.SourceFile$fromString(t1, _this.sourceUrl).span$2(0, position, position + $length), t1));
  	    },
  	    error$1(_, message) {
  	      return this.error$3$length$position(0, message, null, null);
  	    },
  	    _fail$1($name) {
  	      this.error$3$length$position(0, "expected " + $name + ".", 0, this._string_scanner$_position);
  	    }
  	  };
  	  A.AsciiGlyphSet.prototype = {
  	    glyphOrAscii$2(glyph, alternative) {
  	      return alternative;
  	    },
  	    get$horizontalLine() {
  	      return "-";
  	    },
  	    get$verticalLine() {
  	      return "|";
  	    },
  	    get$topLeftCorner() {
  	      return ",";
  	    },
  	    get$bottomLeftCorner() {
  	      return "'";
  	    },
  	    get$cross() {
  	      return "+";
  	    },
  	    get$upEnd() {
  	      return "'";
  	    },
  	    get$downEnd() {
  	      return ",";
  	    },
  	    get$horizontalLineBold() {
  	      return "=";
  	    }
  	  };
  	  A.UnicodeGlyphSet.prototype = {
  	    glyphOrAscii$2(glyph, alternative) {
  	      return glyph;
  	    },
  	    get$horizontalLine() {
  	      return "\u2500";
  	    },
  	    get$verticalLine() {
  	      return "\u2502";
  	    },
  	    get$topLeftCorner() {
  	      return "\u250c";
  	    },
  	    get$bottomLeftCorner() {
  	      return "\u2514";
  	    },
  	    get$cross() {
  	      return "\u253c";
  	    },
  	    get$upEnd() {
  	      return "\u2575";
  	    },
  	    get$downEnd() {
  	      return "\u2577";
  	    },
  	    get$horizontalLineBold() {
  	      return "\u2501";
  	    }
  	  };
  	  A.WatchEvent.prototype = {
  	    toString$0(_) {
  	      return this.type.toString$0(0) + " " + this.path;
  	    }
  	  };
  	  A.ChangeType.prototype = {
  	    toString$0(_) {
  	      return this._watch_event$_name;
  	    }
  	  };
  	  A.A98RgbColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      return J.get$sign$in(channel) * Math.pow(Math.abs(channel), 2.19921875);
  	    },
  	    fromLinear$1(channel) {
  	      return J.get$sign$in(channel) * Math.pow(Math.abs(channel), 0.4547069271758437);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$linearA98RgbToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$linearA98RgbToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearA98RgbToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearA98RgbToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearA98RgbToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearA98RgbToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearA98RgbToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.AnySelectorVisitor0.prototype = {
  	    visitComplexSelector$1(complex) {
  	      return B.JSArray_methods.any$1(complex.components, new A.AnySelectorVisitor_visitComplexSelector_closure0(this));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      return B.JSArray_methods.any$1(compound.components, new A.AnySelectorVisitor_visitCompoundSelector_closure0(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var selector = pseudo.selector;
  	      return selector == null ? false : this.visitSelectorList$1(selector);
  	    },
  	    visitSelectorList$1(list) {
  	      return B.JSArray_methods.any$1(list.components, this.get$visitComplexSelector());
  	    },
  	    visitAttributeSelector$1(_, attribute) {
  	      return false;
  	    },
  	    visitClassSelector$1(_, klass) {
  	      return false;
  	    },
  	    visitIDSelector$1(_, id) {
  	      return false;
  	    },
  	    visitParentSelector$1(_, $parent) {
  	      return false;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return false;
  	    },
  	    visitTypeSelector$1(_, type) {
  	      return false;
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      return false;
  	    }
  	  };
  	  A.AnySelectorVisitor_visitComplexSelector_closure0.prototype = {
  	    call$1(component) {
  	      return this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 55
  	  };
  	  A.AnySelectorVisitor_visitCompoundSelector_closure0.prototype = {
  	    call$1(simple) {
  	      return simple.accept$1(this.$this);
  	    },
  	    $signature: 15
  	  };
  	  A.SupportsAnything0.prototype = {
  	    toInterpolation$0() {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = this.span,
  	        t4 = this.contents,
  	        t5 = t4.span,
  	        t6 = A.SpanExtensions_before(t3, t5);
  	      t6 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t6.file._decodedChars, t6._file$_start, t6._end), 0, null);
  	      t1._contents += t6;
  	      t2.addInterpolation$1(t4);
  	      t5 = A.SpanExtensions_after(t3, t5);
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, null);
  	      t1._contents += t5;
  	      return t2.interpolation$1(t3);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsAnything0(this.contents, span);
  	    },
  	    toString$0(_) {
  	      return "(" + this.contents.toString$0(0) + ")";
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ArgumentList0.prototype = {
  	    get$isEmpty(_) {
  	      var t1;
  	      if (this.positional.length === 0) {
  	        t1 = this.named;
  	        t1 = t1.get$isEmpty(t1) && this.rest == null;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i, _1_0, _2_0, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = _this.positional, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t1.push(_this._argument_list0$_parenthesizeArgument$1(t2[_i]));
  	      for (t2 = A.MapExtensions_get_pairs0(_this.named, type$.String, type$.Expression_2), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push("$" + t3._0 + ": " + _this._argument_list0$_parenthesizeArgument$1(t3._1));
  	      }
  	      _1_0 = _this.rest;
  	      if (_1_0 != null)
  	        t1.push(_this._argument_list0$_parenthesizeArgument$1(_1_0) + "...");
  	      _2_0 = _this.keywordRest;
  	      if (_2_0 != null)
  	        t1.push(_this._argument_list0$_parenthesizeArgument$1(_2_0) + "...");
  	      return "(" + B.JSArray_methods.join$1(t1, ", ") + ")";
  	    },
  	    _argument_list0$_parenthesizeArgument$1(argument) {
  	      var t1;
  	      $label0$0: {
  	        if (argument instanceof A.ListExpression0 && B.ListSeparator_z0K0 === argument.separator && !argument.hasBrackets && argument.contents.length >= 2) {
  	          t1 = "(" + argument.toString$0(0) + ")";
  	          break $label0$0;
  	        }
  	        t1 = argument.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.argumentListClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassArgumentList", new A.argumentListClass__closure()));
  	      A.defineGetter(J.get$$prototype$x(jsClass), "keywords", new A.argumentListClass__closure0(), null);
  	      A.JSClassExtension_injectSuperclass(t1._as(A.SassArgumentList$0(A._setArrayType([], type$.JSArray_Value_2), A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.Value_2), B.ListSeparator_undecided_null_3_undecided0).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.argumentListClass__closure.prototype = {
  	    call$4($self, contents, keywords, separator) {
  	      var t3,
  	        t1 = self.immutable.isOrderedMap(contents) ? J.toArray$0$x(type$.ImmutableList._as(contents)) : type$.List_dynamic._as(contents),
  	        t2 = type$.Value_2;
  	      t1 = J.cast$1$0$ax(t1, t2);
  	      t3 = self.immutable.isOrderedMap(keywords) ? A.immutableMapToDartMap(type$.ImmutableMap._as(keywords)) : A.objectToMap(keywords);
  	      return A.SassArgumentList$0(t1, t3.cast$2$0(0, type$.String, t2), A.jsToDartSeparator(separator));
  	    },
  	    call$3($self, contents, keywords) {
  	      return this.call$4($self, contents, keywords, ",");
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [","];
  	    },
  	    $signature: 309
  	  };
  	  A.argumentListClass__closure0.prototype = {
  	    call$1($self) {
  	      $self._argument_list$_wereKeywordsAccessed = true;
  	      return A.dartMapToImmutableMap($self._argument_list$_keywords);
  	    },
  	    $signature: 310
  	  };
  	  A.SassArgumentList0.prototype = {};
  	  A.JSArray1.prototype = {};
  	  A.AsyncImporter0.prototype = {
  	    isNonCanonicalScheme$1(scheme) {
  	      return false;
  	    }
  	  };
  	  A.JSToDartAsyncImporter.prototype = {
  	    canonicalize$1(_, url) {
  	      return this.canonicalize$body$JSToDartAsyncImporter(0, url);
  	    },
  	    canonicalize$body$JSToDartAsyncImporter(_, url) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Uri),
  	        $async$returnValue, $async$self = this, t1, result;
  	      var $async$canonicalize$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              result = A.wrapJSExceptions(new A.JSToDartAsyncImporter_canonicalize_closure($async$self, url));
  	              $async$goto = result != null && result instanceof self.Promise ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(A.promiseToFuture0(type$.Promise._as(result), type$.nullable_Object), $async$canonicalize$1);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	            case 4:
  	              // join
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = self.URL;
  	              if (result instanceof t1) {
  	                $async$returnValue = A.Uri_parse(J.toString$0$(type$.JSUrl._as(result)));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              A.jsThrow(new self.Error(string$.The_ca));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$canonicalize$1, $async$completer);
  	    },
  	    load$1(_, url) {
  	      return this.load$body$JSToDartAsyncImporter(0, url);
  	    },
  	    load$body$JSToDartAsyncImporter(_, url) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_ImporterResult_2),
  	        $async$returnValue, $async$self = this, t1, contents, syntax, t2, result;
  	      var $async$load$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              result = A.wrapJSExceptions(new A.JSToDartAsyncImporter_load_closure($async$self, url));
  	              $async$goto = result != null && result instanceof self.Promise ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(A.promiseToFuture0(type$.Promise._as(result), type$.nullable_Object), $async$load$1);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	            case 4:
  	              // join
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              type$.JSImporterResult._as(result);
  	              t1 = J.getInterceptor$x(result);
  	              contents = t1.get$contents(result);
  	              if (A._asString(new self.Function("value", "return typeof value").call$1(contents)) !== "string")
  	                A.jsThrow(new A.ArgumentError(true, contents, "contents", "must be a string but was: " + A.jsType(contents)));
  	              syntax = t1.get$syntax(result);
  	              if (contents == null || syntax == null)
  	                A.jsThrow(new self.Error(string$.The_lo));
  	              t2 = A.parseSyntax(syntax);
  	              $async$returnValue = A.ImporterResult$(contents, A.NullableExtension_andThen0(t1.get$sourceMapUrl(result), A.utils3__jsToDartUrl$closure()), t2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$load$1, $async$completer);
  	    },
  	    isNonCanonicalScheme$1(scheme) {
  	      return this._nonCanonicalSchemes.contains$1(0, scheme);
  	    }
  	  };
  	  A.JSToDartAsyncImporter_canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.$this._async0$_canonicalize.call$2(this.url.toString$0(0), A.canonicalizeContext0());
  	    },
  	    $signature: 36
  	  };
  	  A.JSToDartAsyncImporter_load_closure.prototype = {
  	    call$0() {
  	      return this.$this._load.call$1(new self.URL(this.url.toString$0(0)));
  	    },
  	    $signature: 36
  	  };
  	  A.AsyncBuiltInCallable0.prototype = {
  	    callbackFor$2(positional, names) {
  	      return new A._Record_2(this._async_built_in0$_parameters, this._async_built_in0$_callback);
  	    },
  	    withDeprecationWarning$1(module) {
  	      return new A.AsyncBuiltInCallable0(this.name, this._async_built_in0$_parameters, new A.AsyncBuiltInCallable_withDeprecationWarning_closure0(this, module, null), false);
  	    },
  	    $isAsyncCallable0: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    },
  	    get$acceptsContent() {
  	      return this.acceptsContent;
  	    }
  	  };
  	  A.AsyncBuiltInCallable$mixin_closure0.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$AsyncBuiltInCallable$mixin_closure0($arguments);
  	    },
  	    $call$body$AsyncBuiltInCallable$mixin_closure0($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.callback.call$1($arguments);
  	              $async$goto = 3;
  	              return A._asyncAwait(t1 instanceof A._Future ? t1 : A._Future$value(t1, type$.void), $async$call$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = B.C__SassNull0;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 92
  	  };
  	  A.AsyncBuiltInCallable_withDeprecationWarning_closure0.prototype = {
  	    call$1(args) {
  	      var t1 = this.$this;
  	      A.warnForDeprecation0(string$.Global + this.module + "." + t1.name + string$.x20inste, B.Deprecation_SGB);
  	      return t1._async_built_in0$_callback.call$1(args);
  	    },
  	    $signature: 313
  	  };
  	  A._compileStylesheet_closure2.prototype = {
  	    call$1(url) {
  	      var t1;
  	      if (url === "") {
  	        t1 = this.stylesheet.span;
  	        t1 = A.Uri_Uri$dataFromString(A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null), B.C_Utf8Codec, null).get$_text();
  	      } else
  	        t1 = this.importCache.sourceMapUrl$1(0, A.Uri_parse(url)).toString$0(0);
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.AsyncEnvironment0.prototype = {
  	    closure$0() {
  	      var t4, t5, t6, _this = this,
  	        t1 = _this._async_environment0$_forwardedModules,
  	        t2 = _this._async_environment0$_nestedForwardedModules,
  	        t3 = _this._async_environment0$_variables;
  	      t3 = A._setArrayType(t3.slice(0), A._arrayInstanceType(t3));
  	      t4 = _this._async_environment0$_variableNodes;
  	      t4 = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	      t5 = _this._async_environment0$_functions;
  	      t5 = A._setArrayType(t5.slice(0), A._arrayInstanceType(t5));
  	      t6 = _this._async_environment0$_mixins;
  	      t6 = A._setArrayType(t6.slice(0), A._arrayInstanceType(t6));
  	      return A.AsyncEnvironment$_0(_this._async_environment0$_modules, _this._async_environment0$_namespaceNodes, _this._async_environment0$_globalModules, _this._async_environment0$_importedModules, t1, t2, _this._async_environment0$_allModules, t3, t4, t5, t6, _this._async_environment0$_content, B.Set_empty1);
  	    },
  	    forwardModule$2(module, rule) {
  	      var view, t1, t2, _this = this,
  	        forwardedModules = _this._async_environment0$_forwardedModules;
  	      if (forwardedModules == null)
  	        forwardedModules = _this._async_environment0$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable_2, type$.AstNode_2);
  	      view = A.ForwardedModuleView_ifNecessary0(module, rule, type$.AsyncCallable_2);
  	      for (t1 = new A.LinkedHashMapKeyIterator(forwardedModules, forwardedModules._modifications, forwardedModules._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        _this._async_environment0$_assertNoConflicts$5(view.get$variables(), t2.get$variables(), view, t2, "variable");
  	        _this._async_environment0$_assertNoConflicts$5(view.get$functions(view), t2.get$functions(t2), view, t2, "function");
  	        _this._async_environment0$_assertNoConflicts$5(view.get$mixins(), t2.get$mixins(), view, t2, "mixin");
  	      }
  	      _this._async_environment0$_allModules.push(module);
  	      forwardedModules.$indexSet(0, view, rule);
  	    },
  	    _async_environment0$_assertNoConflicts$5(newMembers, oldMembers, newModule, oldModule, type) {
  	      var larger, smaller, t1, t2, t3, t4, $name, small, large, span;
  	      if (newMembers.get$length(newMembers) < oldMembers.get$length(oldMembers)) {
  	        larger = oldMembers;
  	        smaller = newMembers;
  	      } else {
  	        larger = newMembers;
  	        smaller = oldMembers;
  	      }
  	      for (t1 = type$.String, t2 = A.MapExtensions_get_pairs0(smaller, t1, type$.Object), t2 = t2.get$iterator(t2), t3 = type === "variable"; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        $name = t4._0;
  	        small = t4._1;
  	        large = larger.$index(0, $name);
  	        if (large == null)
  	          continue;
  	        if (t3 ? newModule.variableIdentity$1($name) === oldModule.variableIdentity$1($name) : J.$eq$(large, small))
  	          continue;
  	        if (t3)
  	          $name = "$" + $name;
  	        t2 = this._async_environment0$_forwardedModules;
  	        if (t2 == null)
  	          span = null;
  	        else {
  	          t2 = t2.$index(0, oldModule);
  	          span = t2 == null ? null : t2.get$span(t2);
  	        }
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, t1);
  	        if (span != null)
  	          t2.$indexSet(0, span, "original @forward");
  	        throw A.wrapException(A.MultiSpanSassScriptException$0("Two forwarded modules both define a " + type + " named " + $name + ".", "new @forward", t2));
  	      }
  	    },
  	    importForwards$1(module) {
  	      var forwardedModules, t1, t2, t3, t4, node, t5, t6, t7, t8, t9, t10, _i, t11, shadowed, t12, t13, _length, _list, _this = this,
  	        forwarded = module._async_environment0$_environment._async_environment0$_forwardedModules;
  	      if (forwarded == null)
  	        return;
  	      forwardedModules = _this._async_environment0$_forwardedModules;
  	      if (forwardedModules != null) {
  	        t1 = type$.Module_AsyncCallable_2;
  	        t2 = type$.AstNode_2;
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t1 = A.MapExtensions_get_pairs0(forwarded, t1, t2), t1 = t1.get$iterator(t1), t2 = _this._async_environment0$_globalModules; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          module = t4._0;
  	          node = t4._1;
  	          if (!forwardedModules.containsKey$1(module) || !t2.containsKey$1(module))
  	            t3.$indexSet(0, module, node);
  	        }
  	        forwarded = t3;
  	      } else
  	        forwardedModules = _this._async_environment0$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable_2, type$.AstNode_2);
  	      t1 = type$.String;
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t3 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t3.moveNext$0();)
  	        for (t4 = t3.__js_helper$_current.get$variables(), t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4); t4.moveNext$0();)
  	          t2.add$1(0, t4.get$current(t4));
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();) {
  	        t5 = t4.__js_helper$_current;
  	        for (t5 = t5.get$functions(t5), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t3.add$1(0, t5.get$current(t5));
  	      }
  	      t1 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();)
  	        for (t5 = t4.__js_helper$_current.get$mixins(), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t1.add$1(0, t5.get$current(t5));
  	      t4 = _this._async_environment0$_variables;
  	      t5 = t4.length;
  	      if (t5 === 1) {
  	        for (t5 = _this._async_environment0$_importedModules, t6 = type$.Module_AsyncCallable_2, t7 = type$.AstNode_2, t8 = A.MapExtensions_get_pairs0(t5, t6, t7).toList$0(0), t9 = t8.length, t10 = type$.AsyncCallable_2, _i = 0; _i < t8.length; t8.length === t9 || (0, A.throwConcurrentModificationError)(t8), ++_i) {
  	          t11 = t8[_i];
  	          module = t11._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary0(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            t5.remove$1(0, module);
  	            t12 = shadowed.variables;
  	            t13 = false;
  	            if (t12.get$isEmpty(t12)) {
  	              t12 = shadowed.functions;
  	              if (t12.get$isEmpty(t12)) {
  	                t12 = shadowed.mixins;
  	                if (t12.get$isEmpty(t12)) {
  	                  t12 = shadowed._shadowed_view0$_inner;
  	                  t12 = t12.get$css(t12);
  	                  t12 = J.get$isEmpty$asx(t12.get$children(t12));
  	                } else
  	                  t12 = t13;
  	              } else
  	                t12 = t13;
  	            } else
  	              t12 = t13;
  	            if (!t12)
  	              t5.$indexSet(0, shadowed, t11._1);
  	          }
  	        }
  	        for (t6 = A.MapExtensions_get_pairs0(forwardedModules, t6, t7).toList$0(0), t7 = t6.length, _i = 0; _i < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i) {
  	          t8 = t6[_i];
  	          module = t8._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary0(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            forwardedModules.remove$1(0, module);
  	            t9 = shadowed.variables;
  	            t11 = false;
  	            if (t9.get$isEmpty(t9)) {
  	              t9 = shadowed.functions;
  	              if (t9.get$isEmpty(t9)) {
  	                t9 = shadowed.mixins;
  	                if (t9.get$isEmpty(t9)) {
  	                  t9 = shadowed._shadowed_view0$_inner;
  	                  t9 = t9.get$css(t9);
  	                  t9 = J.get$isEmpty$asx(t9.get$children(t9));
  	                } else
  	                  t9 = t11;
  	              } else
  	                t9 = t11;
  	            } else
  	              t9 = t11;
  	            if (!t9)
  	              forwardedModules.$indexSet(0, shadowed, t8._1);
  	          }
  	        }
  	        t5.addAll$1(0, forwarded);
  	        forwardedModules.addAll$1(0, forwarded);
  	      } else {
  	        t6 = _this._async_environment0$_nestedForwardedModules;
  	        if (t6 == null) {
  	          _length = t5 - 1;
  	          _list = J.JSArray_JSArray$allocateGrowable(_length, type$.List_Module_AsyncCallable_2);
  	          for (t5 = type$.JSArray_Module_AsyncCallable_2, _i = 0; _i < _length; ++_i)
  	            _list[_i] = A._setArrayType([], t5);
  	          _this._async_environment0$_nestedForwardedModules = _list;
  	          t5 = _list;
  	        } else
  	          t5 = t6;
  	        B.JSArray_methods.addAll$1(B.JSArray_methods.get$last(t5), new A.LinkedHashMapKeysIterable(forwarded, A._instanceType(forwarded)._eval$1("LinkedHashMapKeysIterable<1>")));
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, t2.$ti._precomputed1), t5 = _this._async_environment0$_variableIndices, t6 = _this._async_environment0$_variableNodes, t7 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t8 = t2._collection$_current;
  	        if (t8 == null)
  	          t8 = t7._as(t8);
  	        t5.remove$1(0, t8);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t8);
  	        B.JSArray_methods.get$last(t6).remove$1(0, t8);
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, t3.$ti._precomputed1), t3 = _this._async_environment0$_functionIndices, t4 = _this._async_environment0$_functions, t5 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t6 = t2._collection$_current;
  	        if (t6 == null)
  	          t6 = t5._as(t6);
  	        t3.remove$1(0, t6);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t6);
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, t1.$ti._precomputed1), t2 = _this._async_environment0$_mixinIndices, t3 = _this._async_environment0$_mixins, t4 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t5 = t1._collection$_current;
  	        if (t5 == null)
  	          t5 = t4._as(t5);
  	        t2.remove$1(0, t5);
  	        B.JSArray_methods.get$last(t3).remove$1(0, t5);
  	      }
  	    },
  	    getVariable$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment0$_getModule$1(namespace).get$variables().$index(0, $name);
  	      if (_this._async_environment0$_lastVariableName === $name) {
  	        t1 = _this._async_environment0$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._async_environment0$_variables[t1].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getVariableFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._async_environment0$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._async_environment0$_lastVariableName = $name;
  	        _this._async_environment0$_lastVariableIndex = _0_0;
  	        t1 = _this._async_environment0$_variables[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getVariableFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment0$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._async_environment0$_lastVariableName = $name;
  	          _this._async_environment0$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment0$_variables[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment0$_getVariableFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment0$_getVariableFromGlobalModule$1($name);
  	      }
  	    },
  	    getVariable$1($name) {
  	      return this.getVariable$2$namespace($name, null);
  	    },
  	    _async_environment0$_getVariableFromGlobalModule$1($name) {
  	      return this._async_environment0$_fromOneModule$3($name, "variable", new A.AsyncEnvironment__getVariableFromGlobalModule_closure0($name));
  	    },
  	    getVariableNode$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment0$_getModule$1(namespace).get$variableNodes().$index(0, $name);
  	      if (_this._async_environment0$_lastVariableName === $name) {
  	        t1 = _this._async_environment0$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._async_environment0$_variableNodes[t1].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._async_environment0$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._async_environment0$_lastVariableName = $name;
  	        _this._async_environment0$_lastVariableIndex = _0_0;
  	        t1 = _this._async_environment0$_variableNodes[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment0$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._async_environment0$_lastVariableName = $name;
  	          _this._async_environment0$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment0$_variableNodes[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment0$_getVariableNodeFromGlobalModule$1($name);
  	      }
  	    },
  	    _async_environment0$_getVariableNodeFromGlobalModule$1($name) {
  	      var t1, t2, _0_0;
  	      for (t1 = this._async_environment0$_importedModules, t2 = this._async_environment0$_globalModules, t2 = new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")).followedBy$1(0, new A.LinkedHashMapKeysIterable(t2, A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>"))), t2 = new A.FollowedByIterator(J.get$iterator$ax(t2.__internal$_first), t2._second); t2.moveNext$0();) {
  	        t1 = t2._currentIterator;
  	        _0_0 = t1.get$current(t1).get$variableNodes().$index(0, $name);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    globalVariableExists$2$namespace($name, namespace) {
  	      if (namespace != null)
  	        return this._async_environment0$_getModule$1(namespace).get$variables().containsKey$1($name);
  	      if (B.JSArray_methods.get$first(this._async_environment0$_variables).containsKey$1($name))
  	        return true;
  	      return this._async_environment0$_getVariableFromGlobalModule$1($name) != null;
  	    },
  	    globalVariableExists$1($name) {
  	      return this.globalVariableExists$2$namespace($name, null);
  	    },
  	    _async_environment0$_variableIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment0$_variables, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    setVariable$5$global$namespace($name, value, nodeWithSpan, global, namespace) {
  	      var t1, moduleWithName, nestedForwardedModules, t2, t3, t4, t5, index, _this = this;
  	      if (namespace != null) {
  	        _this._async_environment0$_getModule$1(namespace).setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      if (global || _this._async_environment0$_variables.length === 1) {
  	        _this._async_environment0$_variableIndices.putIfAbsent$2($name, new A.AsyncEnvironment_setVariable_closure2(_this, $name));
  	        t1 = _this._async_environment0$_variables;
  	        if (!B.JSArray_methods.get$first(t1).containsKey$1($name)) {
  	          moduleWithName = _this._async_environment0$_fromOneModule$3($name, "variable", new A.AsyncEnvironment_setVariable_closure3($name));
  	          if (moduleWithName != null) {
  	            moduleWithName.setVariable$3($name, value, nodeWithSpan);
  	            return;
  	          }
  	        }
  	        B.JSArray_methods.get$first(t1).$indexSet(0, $name, value);
  	        B.JSArray_methods.get$first(_this._async_environment0$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	        return;
  	      }
  	      nestedForwardedModules = _this._async_environment0$_nestedForwardedModules;
  	      if (nestedForwardedModules != null && !_this._async_environment0$_variableIndices.containsKey$1($name) && _this._async_environment0$_variableIndex$1($name) == null)
  	        for (t1 = A._arrayInstanceType(nestedForwardedModules)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(nestedForwardedModules, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            if (t5 == null)
  	              t5 = t4._as(t5);
  	            if (t5.get$variables().containsKey$1($name)) {
  	              t5.setVariable$3($name, value, nodeWithSpan);
  	              return;
  	            }
  	          }
  	        }
  	      if (_this._async_environment0$_lastVariableName === $name) {
  	        t1 = _this._async_environment0$_lastVariableIndex;
  	        t1.toString;
  	        index = t1;
  	      } else
  	        index = _this._async_environment0$_variableIndices.putIfAbsent$2($name, new A.AsyncEnvironment_setVariable_closure4(_this, $name));
  	      if (!_this._async_environment0$_inSemiGlobalScope && index === 0) {
  	        index = _this._async_environment0$_variables.length - 1;
  	        _this._async_environment0$_variableIndices.$indexSet(0, $name, index);
  	      }
  	      _this._async_environment0$_lastVariableName = $name;
  	      _this._async_environment0$_lastVariableIndex = index;
  	      _this._async_environment0$_variables[index].$indexSet(0, $name, value);
  	      _this._async_environment0$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    setVariable$4$global($name, value, nodeWithSpan, global) {
  	      return this.setVariable$5$global$namespace($name, value, nodeWithSpan, global, null);
  	    },
  	    setLocalVariable$3($name, value, nodeWithSpan) {
  	      var index, _this = this,
  	        t1 = _this._async_environment0$_variables,
  	        t2 = t1.length;
  	      _this._async_environment0$_lastVariableName = $name;
  	      index = _this._async_environment0$_lastVariableIndex = t2 - 1;
  	      _this._async_environment0$_variableIndices.$indexSet(0, $name, index);
  	      t1[index].$indexSet(0, $name, value);
  	      _this._async_environment0$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    getFunction$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null) {
  	        t1 = _this._async_environment0$_getModule$1(namespace);
  	        return t1.get$functions(t1).$index(0, $name);
  	      }
  	      t1 = _this._async_environment0$_functionIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._async_environment0$_functions[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getFunctionFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment0$_functionIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment0$_functions[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment0$_getFunctionFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment0$_getFunctionFromGlobalModule$1($name);
  	      }
  	    },
  	    getFunction$1($name) {
  	      return this.getFunction$2$namespace($name, null);
  	    },
  	    _async_environment0$_getFunctionFromGlobalModule$1($name) {
  	      return this._async_environment0$_fromOneModule$3($name, "function", new A.AsyncEnvironment__getFunctionFromGlobalModule_closure0($name));
  	    },
  	    _async_environment0$_functionIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment0$_functions, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    getMixin$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._async_environment0$_getModule$1(namespace).get$mixins().$index(0, $name);
  	      t1 = _this._async_environment0$_mixinIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._async_environment0$_mixins[_0_0].$index(0, $name);
  	        return t1 == null ? _this._async_environment0$_getMixinFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._async_environment0$_mixinIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._async_environment0$_mixins[_1_0].$index(0, $name);
  	          return t1 == null ? _this._async_environment0$_getMixinFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._async_environment0$_getMixinFromGlobalModule$1($name);
  	      }
  	    },
  	    _async_environment0$_getMixinFromGlobalModule$1($name) {
  	      return this._async_environment0$_fromOneModule$3($name, "mixin", new A.AsyncEnvironment__getMixinFromGlobalModule_closure0($name));
  	    },
  	    _async_environment0$_mixinIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._async_environment0$_mixins, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    withContent$2($content, callback) {
  	      return this.withContent$body$AsyncEnvironment0($content, callback);
  	    },
  	    withContent$body$AsyncEnvironment0($content, callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, oldContent;
  	      var $async$withContent$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldContent = $async$self._async_environment0$_content;
  	              $async$self._async_environment0$_content = $content;
  	              $async$goto = 2;
  	              return A._asyncAwait(callback.call$0(), $async$withContent$2);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_environment0$_content = oldContent;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$withContent$2, $async$completer);
  	    },
  	    asMixin$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, oldInMixin;
  	      var $async$asMixin$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInMixin = $async$self._async_environment0$_inMixin;
  	              $async$self._async_environment0$_inMixin = true;
  	              $async$goto = 2;
  	              return A._asyncAwait(callback.call$0(), $async$asMixin$1);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_environment0$_inMixin = oldInMixin;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$asMixin$1, $async$completer);
  	    },
  	    scope$1$3$semiGlobal$when(callback, semiGlobal, when, $T) {
  	      return this.scope$body$AsyncEnvironment0(callback, semiGlobal, when, $T, $T);
  	    },
  	    scope$1$1(callback, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, true, $T);
  	    },
  	    scope$1$2$when(callback, when, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, when, $T);
  	    },
  	    scope$1$2$semiGlobal(callback, semiGlobal, $T) {
  	      return this.scope$1$3$semiGlobal$when(callback, semiGlobal, true, $T);
  	    },
  	    scope$body$AsyncEnvironment0(callback, semiGlobal, when, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, wasInSemiGlobalScope, $name, name0, name1, t1, t2, t3, t4, t5, t6;
  	      var $async$scope$1$3$semiGlobal$when = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              semiGlobal = semiGlobal && $async$self._async_environment0$_inSemiGlobalScope;
  	              wasInSemiGlobalScope = $async$self._async_environment0$_inSemiGlobalScope;
  	              $async$self._async_environment0$_inSemiGlobalScope = semiGlobal;
  	              $async$goto = !when ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$handler = 5;
  	              $async$goto = 8;
  	              return A._asyncAwait(callback.call$0(), $async$scope$1$3$semiGlobal$when);
  	            case 8:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 6;
  	              break;
  	            case 5:
  	              // uncaught
  	              $async$next = [2];
  	            case 6:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_environment0$_inSemiGlobalScope = wasInSemiGlobalScope;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 7:
  	              // after finally
  	            case 4:
  	              // join
  	              t1 = $async$self._async_environment0$_variables;
  	              t2 = type$.String;
  	              B.JSArray_methods.add$1(t1, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.Value_2));
  	              t3 = $async$self._async_environment0$_variableNodes;
  	              B.JSArray_methods.add$1(t3, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.AstNode_2));
  	              t4 = $async$self._async_environment0$_functions;
  	              t5 = type$.AsyncCallable_2;
  	              B.JSArray_methods.add$1(t4, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	              t6 = $async$self._async_environment0$_mixins;
  	              B.JSArray_methods.add$1(t6, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	              t5 = $async$self._async_environment0$_nestedForwardedModules;
  	              if (t5 != null)
  	                t5.push(A._setArrayType([], type$.JSArray_Module_AsyncCallable_2));
  	              $async$handler = 9;
  	              $async$goto = 12;
  	              return A._asyncAwait(callback.call$0(), $async$scope$1$3$semiGlobal$when);
  	            case 12:
  	              // returning from await.
  	              t2 = $async$result;
  	              $async$returnValue = t2;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 10;
  	              break;
  	            case 9:
  	              // uncaught
  	              $async$next = [2];
  	            case 10:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_environment0$_inSemiGlobalScope = wasInSemiGlobalScope;
  	              $async$self._async_environment0$_lastVariableIndex = $async$self._async_environment0$_lastVariableName = null;
  	              for (t1 = B.JSArray_methods.removeLast$0(t1), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment0$_variableIndices; t1.moveNext$0();) {
  	                $name = t1.get$current(t1);
  	                t2.remove$1(0, $name);
  	              }
  	              B.JSArray_methods.removeLast$0(t3);
  	              for (t1 = B.JSArray_methods.removeLast$0(t4), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment0$_functionIndices; t1.moveNext$0();) {
  	                name0 = t1.get$current(t1);
  	                t2.remove$1(0, name0);
  	              }
  	              for (t1 = B.JSArray_methods.removeLast$0(t6), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = $async$self._async_environment0$_mixinIndices; t1.moveNext$0();) {
  	                name1 = t1.get$current(t1);
  	                t2.remove$1(0, name1);
  	              }
  	              t1 = $async$self._async_environment0$_nestedForwardedModules;
  	              if (t1 != null)
  	                t1.pop();
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 11:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$scope$1$3$semiGlobal$when, $async$completer);
  	    },
  	    toImplicitConfiguration$0() {
  	      var t2, t3, t4, t5, t6, i, modules, t7, t8, t9, t10, $name, value, values, nodes, _this = this, _null = null,
  	        t1 = type$.String,
  	        configuration = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.ConfiguredValue_2);
  	      for (t2 = _this._async_environment0$_variables, t3 = type$.Value_2, t4 = _this._async_environment0$_variableNodes, t5 = _this._async_environment0$_importedModules, t6 = A._instanceType(t5)._eval$1("LinkedHashMapKeysIterable<1>"), i = 0; i < t2.length; ++i) {
  	        if (i === 0)
  	          modules = new A.LinkedHashMapKeysIterable(t5, t6);
  	        else {
  	          t7 = _this._async_environment0$_nestedForwardedModules;
  	          modules = t7 == null ? _null : t7[i - 1];
  	        }
  	        t7 = J.get$iterator$ax(modules == null ? B.List_empty30 : modules);
  	        while (t7.moveNext$0()) {
  	          t8 = t7.get$current(t7);
  	          for (t9 = A.MapExtensions_get_pairs0(t8.get$variables(), t1, t3), t9 = t9.get$iterator(t9); t9.moveNext$0();) {
  	            t10 = t9.get$current(t9);
  	            $name = t10._0;
  	            value = t10._1;
  	            t10 = t8.get$variableNodes().$index(0, $name);
  	            t10.toString;
  	            configuration.$indexSet(0, $name, new A.ConfiguredValue0(value, _null, t10));
  	          }
  	        }
  	        values = t2[i];
  	        nodes = t4[i];
  	        for (t7 = A.MapExtensions_get_pairs0(values, t1, t3), t7 = t7.get$iterator(t7); t7.moveNext$0();) {
  	          t8 = t7.get$current(t7);
  	          $name = t8._0;
  	          value = t8._1;
  	          t8 = nodes.$index(0, $name);
  	          t8.toString;
  	          configuration.$indexSet(0, $name, new A.ConfiguredValue0(value, _null, t8));
  	        }
  	      }
  	      return new A.Configuration0(configuration, _null);
  	    },
  	    toModule$3(css, preModuleComments, extensionStore) {
  	      return A._EnvironmentModule__EnvironmentModule2(this, css, preModuleComments, extensionStore, A.NullableExtension_andThen0(this._async_environment0$_forwardedModules, new A.AsyncEnvironment_toModule_closure0()));
  	    },
  	    toDummyModule$0() {
  	      return A._EnvironmentModule__EnvironmentModule2(this, new A.CssStylesheet0(new A.UnmodifiableListView(B.List_empty20, type$.UnmodifiableListView_CssNode_2), A.SourceFile$decoded(B.List_empty4, "<dummy module>").span$1(0, 0)), B.Map_empty16, B.C_EmptyExtensionStore0, A.NullableExtension_andThen0(this._async_environment0$_forwardedModules, new A.AsyncEnvironment_toDummyModule_closure0()));
  	    },
  	    _async_environment0$_getModule$1(namespace) {
  	      var _0_0 = this._async_environment0$_modules.$index(0, namespace);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0('There is no module with the namespace "' + namespace + '".', null));
  	    },
  	    _async_environment0$_fromOneModule$1$3($name, type, callback) {
  	      var t1, t2, t3, t4, t5, _1_0, _2_0, value, identity, valueInModule, identityFromModule, module, node,
  	        _0_0 = this._async_environment0$_nestedForwardedModules;
  	      if (_0_0 != null)
  	        for (t1 = A._arrayInstanceType(_0_0)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(_0_0, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            _1_0 = callback.call$1(t5 == null ? t4._as(t5) : t5);
  	            if (_1_0 != null)
  	              return _1_0;
  	          }
  	        }
  	      for (t1 = this._async_environment0$_importedModules, t1 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first); t1.moveNext$0();) {
  	        _2_0 = callback.call$1(t1.__js_helper$_current);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      for (t1 = this._async_environment0$_globalModules, t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first), t3 = type$.AsyncCallable_2, value = null, identity = null; t2.moveNext$0();) {
  	        t4 = t2.__js_helper$_current;
  	        valueInModule = callback.call$1(t4);
  	        if (valueInModule == null)
  	          continue;
  	        identityFromModule = t3._is(valueInModule) ? valueInModule : t4.variableIdentity$1($name);
  	        if (identityFromModule.$eq(0, identity))
  	          continue;
  	        if (value != null) {
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          for (t3 = A.MapExtensions_get_pairs0(t1, type$.Module_AsyncCallable_2, type$.AstNode_2), t3 = t3.get$iterator(t3), t4 = "includes " + type; t3.moveNext$0();) {
  	            t1 = t3.get$current(t3);
  	            module = t1._0;
  	            node = t1._1;
  	            if (callback.call$1(module) != null)
  	              t2.$indexSet(0, node.get$span(node), t4);
  	          }
  	          throw A.wrapException(A.MultiSpanSassScriptException$0("This " + type + string$.x20is_av, type + " use", t2));
  	        }
  	        identity = identityFromModule;
  	        value = valueInModule;
  	      }
  	      return value;
  	    },
  	    _async_environment0$_fromOneModule$3($name, type, callback) {
  	      return this._async_environment0$_fromOneModule$1$3($name, type, callback, type$.dynamic);
  	    }
  	  };
  	  A.AsyncEnvironment__getVariableFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$variables().$index(0, this.name);
  	    },
  	    $signature: 314
  	  };
  	  A.AsyncEnvironment_setVariable_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._async_environment0$_lastVariableName = this.name;
  	      return t1._async_environment0$_lastVariableIndex = 0;
  	    },
  	    $signature: 10
  	  };
  	  A.AsyncEnvironment_setVariable_closure3.prototype = {
  	    call$1(module) {
  	      return module.get$variables().containsKey$1(this.name) ? module : null;
  	    },
  	    $signature: 315
  	  };
  	  A.AsyncEnvironment_setVariable_closure4.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._async_environment0$_variableIndex$1(this.name);
  	      return t2 == null ? t1._async_environment0$_variables.length - 1 : t2;
  	    },
  	    $signature: 10
  	  };
  	  A.AsyncEnvironment__getFunctionFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module).$index(0, this.name);
  	    },
  	    $signature: 203
  	  };
  	  A.AsyncEnvironment__getMixinFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$mixins().$index(0, this.name);
  	    },
  	    $signature: 203
  	  };
  	  A.AsyncEnvironment_toModule_closure0.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_AsyncCallable_2);
  	    },
  	    $signature: 204
  	  };
  	  A.AsyncEnvironment_toDummyModule_closure0.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_AsyncCallable_2);
  	    },
  	    $signature: 204
  	  };
  	  A._EnvironmentModule2.prototype = {
  	    get$url(_) {
  	      var t1 = this.css;
  	      t1 = t1.get$span(t1);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t1, t2,
  	        _0_0 = this._async_environment0$_modulesByVariable.$index(0, $name);
  	      if (_0_0 != null) {
  	        _0_0.setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      t1 = this._async_environment0$_environment;
  	      t2 = t1._async_environment0$_variables;
  	      if (!B.JSArray_methods.get$first(t2).containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$0("Undefined variable.", null));
  	      B.JSArray_methods.get$first(t2).$indexSet(0, $name, value);
  	      B.JSArray_methods.get$first(t1._async_environment0$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	      return;
  	    },
  	    variableIdentity$1($name) {
  	      var module = this._async_environment0$_modulesByVariable.$index(0, $name);
  	      return module == null ? this : module.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t2, t3, _0_0, variable, module,
  	        t1 = this._async_environment0$_environment._async_environment0$_configurableVariables;
  	      if (!(variables.get$length(variables) < t1.get$length(t1) ? variables.any$1(0, t1.get$contains(t1)) : t1.any$1(0, variables.get$contains(variables)))) {
  	        t1 = this._async_environment0$_modulesByVariable;
  	        t2 = type$.Module_AsyncCallable_2;
  	        if (variables.get$length(variables) < t1.get$length(t1)) {
  	          t2 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t3 = variables.get$iterator(variables); t3.moveNext$0();) {
  	            _0_0 = t1.$index(0, t3.get$current(t3));
  	            if (_0_0 != null)
  	              t2.add$1(0, _0_0);
  	          }
  	          t1 = t2;
  	        } else {
  	          t3 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t1 = A.MapExtensions_get_pairs0(t1, type$.String, t2), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	            t2 = t1.get$current(t1);
  	            variable = t2._0;
  	            module = t2._1;
  	            if (variables.contains$1(0, variable))
  	              t3.add$1(0, module);
  	          }
  	          t1 = t3;
  	        }
  	        t1 = t1.any$1(0, new A._EnvironmentModule_couldHaveBeenConfigured_closure2(variables));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    cloneCss$0() {
  	      var _0_0, _this = this;
  	      if (!_this.transitivelyContainsCss)
  	        return _this;
  	      _0_0 = A.cloneCssStylesheet0(_this.css, _this.extensionStore);
  	      return A._EnvironmentModule$_2(_this._async_environment0$_environment, _0_0._0, _this.preModuleComments, _0_0._1, _this._async_environment0$_modulesByVariable, _this.variables, _this.variableNodes, _this.functions, _this.mixins, true, _this.transitivelyContainsExtensions);
  	    },
  	    toString$0(_) {
  	      var t1 = this.css,
  	        t2 = t1.get$span(t1);
  	      if (t2.get$sourceUrl(t2) == null)
  	        t1 = "<unknown url>";
  	      else {
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$sourceUrl(t1);
  	        t2 = $.$get$context();
  	        t1.toString;
  	        t1 = t2.prettyUri$1(t1);
  	      }
  	      return t1;
  	    },
  	    $isModule1: 1,
  	    get$upstream() {
  	      return this.upstream;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$extensionStore() {
  	      return this.extensionStore;
  	    },
  	    get$css(receiver) {
  	      return this.css;
  	    },
  	    get$preModuleComments() {
  	      return this.preModuleComments;
  	    },
  	    get$transitivelyContainsCss() {
  	      return this.transitivelyContainsCss;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this.transitivelyContainsExtensions;
  	    }
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure17.prototype = {
  	    call$1(module) {
  	      return module.get$variables();
  	    },
  	    $signature: 318
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure18.prototype = {
  	    call$1(module) {
  	      return module.get$variableNodes();
  	    },
  	    $signature: 319
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure19.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module);
  	    },
  	    $signature: 205
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure20.prototype = {
  	    call$1(module) {
  	      return module.get$mixins();
  	    },
  	    $signature: 205
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure21.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 118
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure22.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsExtensions();
  	    },
  	    $signature: 118
  	  };
  	  A._EnvironmentModule_couldHaveBeenConfigured_closure2.prototype = {
  	    call$1(module) {
  	      return module.couldHaveBeenConfigured$1(this.variables);
  	    },
  	    $signature: 118
  	  };
  	  A._EvaluateVisitor2.prototype = {
  	    get$_async_evaluate0$_hasCssNesting() {
  	      var _0_0, t1, grandparent,
  	        $parent = this._async_evaluate0$_atRootExcludingStyleRule ? null : this._async_evaluate0$_styleRuleIgnoringAtRoot;
  	      for (;; $parent = grandparent) {
  	        _0_0 = $parent == null ? null : $parent._node$_parent;
  	        if (_0_0 instanceof A.ModifiableCssStyleRule0)
  	          return true;
  	        t1 = _0_0 != null;
  	        grandparent = t1 ? _0_0 : null;
  	        if (t1)
  	          continue;
  	        return false;
  	      }
  	    },
  	    _EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap2(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t2, metaModule, t3, _i, module, $function, t4, _this = this,
  	        _s20_ = "$name, $module: null",
  	        _s9_ = "sass:meta",
  	        _s7_ = "$module",
  	        t1 = type$.JSArray_AsyncBuiltInCallable_2,
  	        metaFunctions = A._setArrayType([A.BuiltInCallable$function0("global-variable-exists", _s20_, new A._EvaluateVisitor_closure38(_this), _s9_), A.BuiltInCallable$function0("variable-exists", "$name", new A._EvaluateVisitor_closure39(_this), _s9_), A.BuiltInCallable$function0("function-exists", _s20_, new A._EvaluateVisitor_closure40(_this), _s9_), A.BuiltInCallable$function0("mixin-exists", _s20_, new A._EvaluateVisitor_closure41(_this), _s9_), A.BuiltInCallable$function0("content-exists", "", new A._EvaluateVisitor_closure42(_this), _s9_), A.BuiltInCallable$function0("module-variables", _s7_, new A._EvaluateVisitor_closure43(_this), _s9_), A.BuiltInCallable$function0("module-functions", _s7_, new A._EvaluateVisitor_closure44(_this), _s9_), A.BuiltInCallable$function0("module-mixins", _s7_, new A._EvaluateVisitor_closure45(_this), _s9_), A.BuiltInCallable$function0("get-function", "$name, $css: false, $module: null", new A._EvaluateVisitor_closure46(_this), _s9_), A.BuiltInCallable$function0("get-mixin", _s20_, new A._EvaluateVisitor_closure47(_this), _s9_), new A.AsyncBuiltInCallable0("call", A.ScssParser$0("@function call($function, $args...) {", false, _s9_).parseParameterList$0(), new A._EvaluateVisitor_closure48(_this), false)], t1),
  	        metaMixins = A._setArrayType([A.AsyncBuiltInCallable$mixin0("load-css", "$url, $with: null", new A._EvaluateVisitor_closure49(_this), false, _s9_), A.AsyncBuiltInCallable$mixin0("apply", "$mixin, $args...", new A._EvaluateVisitor_closure50(_this), true, _s9_)], t1);
  	      t1 = type$.AsyncBuiltInCallable_2;
  	      t2 = A.List_List$_of($.$get$moduleFunctions0(), t1);
  	      B.JSArray_methods.addAll$1(t2, metaFunctions);
  	      metaModule = A.BuiltInModule$0("meta", t2, metaMixins, null, t1);
  	      t1 = A.List_List$_of($.$get$coreModules0(), type$.BuiltInModule_AsyncCallable_2);
  	      t1.push(metaModule);
  	      t2 = t1.length;
  	      t3 = _this._async_evaluate0$_builtInModules;
  	      _i = 0;
  	      for (; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        module = t1[_i];
  	        t3.$indexSet(0, module.url, module);
  	      }
  	      t1 = type$.JSArray_AsyncCallable_2;
  	      t2 = A._setArrayType([], t1);
  	      B.JSArray_methods.addAll$1(t2, functions);
  	      B.JSArray_methods.addAll$1(t2, $.$get$globalFunctions0());
  	      t1 = A._setArrayType([], t1);
  	      for (_i = 0; _i < 11; ++_i)
  	        t1.push(metaFunctions[_i].withDeprecationWarning$1("meta"));
  	      B.JSArray_methods.addAll$1(t2, t1);
  	      for (t1 = t2.length, t3 = _this._async_evaluate0$_builtInFunctions, _i = 0; _i < t2.length; t2.length === t1 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $function = t2[_i];
  	        t4 = $function.get$name($function);
  	        t3.$indexSet(0, A.stringReplaceAllUnchecked(t4, "_", "-"), $function);
  	      }
  	    },
  	    run$2(_, importer, node) {
  	      return this.run$body$_EvaluateVisitor0(0, importer, node);
  	    },
  	    run$body$_EvaluateVisitor0(_, importer, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, $async$exception;
  	      var $async$run$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = type$.nullable_Object;
  	              t1 = A.runZoned(new A._EvaluateVisitor_run_closure2($async$self, node, importer), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext2($async$self, node)], t1, t1), type$.FutureOr_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2);
  	              $async$goto = 7;
  	              return A._asyncAwait(type$.Future_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2._is(t1) ? t1 : A._Future$value(t1, type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2), $async$run$2);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException0) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace0(error.withLoadedUrls$1($async$self._async_evaluate0$_loadedUrls), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$run$2, $async$completer);
  	    },
  	    _async_evaluate0$_assertInModule$1$2(value, $name) {
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.StateError$("Can't access " + $name + " outside of a module."));
  	    },
  	    _async_evaluate0$_assertInModule$2(value, $name) {
  	      return this._async_evaluate0$_assertInModule$1$2(value, $name, type$.dynamic);
  	    },
  	    _async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      return this._loadModule$body$_EvaluateVisitor0(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors);
  	    },
  	    _async_evaluate0$_loadModule$5$configuration(url, stackFrame, nodeWithSpan, callback, configuration) {
  	      return this._async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, configuration, false);
  	    },
  	    _async_evaluate0$_loadModule$4(url, stackFrame, nodeWithSpan, callback) {
  	      return this._async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, null, false);
  	    },
  	    _loadModule$body$_EvaluateVisitor0(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, t2, _0_0, t1;
  	      var $async$_async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _0_0 = $async$self._async_evaluate0$_builtInModules.$index(0, url);
  	              t1 = {};
  	              t1.builtInModule = null;
  	              $async$goto = _0_0 != null ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              t1.builtInModule = _0_0;
  	              if (configuration instanceof A.ExplicitConfiguration0) {
  	                t1 = namesInErrors ? "Built-in module " + url.toString$0(0) + " can't be configured." : "Built-in modules can't be configured.";
  	                t2 = configuration.nodeWithSpan;
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(t1, t2.get$span(t2)));
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(nodeWithSpan, new A._EvaluateVisitor__loadModule_closure5(t1, callback), type$.void), $async$_async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withStackFrame$1$3(stackFrame, nodeWithSpan, new A._EvaluateVisitor__loadModule_closure6($async$self, url, nodeWithSpan, baseUrl, namesInErrors, configuration, callback), type$.Null), $async$_async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors, $async$completer);
  	    },
  	    _async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      return this._execute$body$_EvaluateVisitor0(importer, stylesheet, configuration, namesInErrors, nodeWithSpan);
  	    },
  	    _async_evaluate0$_execute$2(importer, stylesheet) {
  	      return this._async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, null, false, null);
  	    },
  	    _execute$body$_EvaluateVisitor0(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Module_AsyncCallable_2),
  	        $async$returnValue, $async$self = this, currentConfiguration, t2, _0_0, t3, message, existingSpan, configurationSpan, environment, css, preModuleComments, extensionStore, module, t1, url;
  	      var $async$_async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = stylesheet.span;
  	              url = t1.get$sourceUrl(t1);
  	              t1 = configuration == null;
  	              currentConfiguration = t1 ? $async$self._async_evaluate0$_configuration : configuration;
  	              t2 = $async$self._async_evaluate0$_modules;
  	              _0_0 = t2.$index(0, url);
  	              if (_0_0 != null) {
  	                t2 = $async$self._async_evaluate0$_moduleConfigurations.$index(0, url);
  	                t3 = t2._configuration0$__originalConfiguration;
  	                t2 = t3 == null ? t2 : t3;
  	                t3 = currentConfiguration._configuration0$__originalConfiguration;
  	                if (t2 !== (t3 == null ? currentConfiguration : t3) && currentConfiguration instanceof A.ExplicitConfiguration0 && _0_0.couldHaveBeenConfigured$1(new A.MapKeySet(new A.UnmodifiableMapView(currentConfiguration._configuration0$_values, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.MapKeySet_String))) {
  	                  if (namesInErrors) {
  	                    t2 = $.$get$context();
  	                    url.toString;
  	                    message = t2.prettyUri$1(url) + string$.x20was_a;
  	                  } else
  	                    message = string$.This_mw;
  	                  t2 = $async$self._async_evaluate0$_moduleNodes.$index(0, url);
  	                  existingSpan = t2 == null ? null : t2.get$span(t2);
  	                  if (t1) {
  	                    t1 = currentConfiguration.nodeWithSpan;
  	                    configurationSpan = t1.get$span(t1);
  	                  } else
  	                    configurationSpan = null;
  	                  t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	                  if (existingSpan != null)
  	                    t1.$indexSet(0, existingSpan, "original load");
  	                  if (configurationSpan != null)
  	                    t1.$indexSet(0, configurationSpan, "configuration");
  	                  throw A.wrapException(t1.get$isEmpty(0) ? $async$self._async_evaluate0$_exception$1(message) : $async$self._async_evaluate0$_multiSpanException$3(message, "new load", t1));
  	                }
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              environment = A.AsyncEnvironment$0();
  	              css = A._Cell$();
  	              preModuleComments = A._Cell$();
  	              extensionStore = A.ExtensionStore$0();
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_withEnvironment$1$2(environment, new A._EvaluateVisitor__execute_closure2($async$self, importer, stylesheet, extensionStore, configuration, css, preModuleComments), type$.Null), $async$_async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan);
  	            case 3:
  	              // returning from await.
  	              t1 = css._readLocal$0();
  	              t3 = preModuleComments._readLocal$0();
  	              module = environment.toModule$3(t1, t3 == null ? B.Map_empty16 : t3, extensionStore);
  	              if (url != null) {
  	                t2.$indexSet(0, url, module);
  	                $async$self._async_evaluate0$_moduleConfigurations.$indexSet(0, url, currentConfiguration);
  	                if (nodeWithSpan != null)
  	                  $async$self._async_evaluate0$_moduleNodes.$indexSet(0, url, nodeWithSpan);
  	              }
  	              $async$returnValue = module;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan, $async$completer);
  	    },
  	    _async_evaluate0$_addOutOfOrderImports$0() {
  	      var t1, t2, _this = this, _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        _0_0 = _this._async_evaluate0$_outOfOrderImports;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_).children;
  	          break $label0$0;
  	        }
  	        t1 = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_).children;
  	        t1 = A.List_List$_of(A.SubListIterable$(t1, 0, A.checkNotNullable(_this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__endOfImports, _s13_), "count", type$.int), t1.$ti._eval$1("ListBase.E")), type$.ModifiableCssNode_2);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t2 = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_).children;
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(t2, _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__endOfImports, _s13_), null, t2.$ti._eval$1("ListBase.E")));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _async_evaluate0$_combineCss$2$clone(root, clone) {
  	      var selectors, _0_0, t1, imports, css, sorted, t2;
  	      if (!B.JSArray_methods.any$1(root.get$upstream(), new A._EvaluateVisitor__combineCss_closure5())) {
  	        selectors = root.get$extensionStore().get$simpleSelectors();
  	        _0_0 = A.IterableExtension_get_firstOrNull(root.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__combineCss_closure6(selectors)));
  	        if (_0_0 != null)
  	          this._async_evaluate0$_throwForUnsatisfiedExtension$1(_0_0);
  	        return root.get$css(root);
  	      }
  	      t1 = type$.JSArray_CssNode_2;
  	      imports = A._setArrayType([], t1);
  	      css = A._setArrayType([], t1);
  	      t1 = type$.Module_AsyncCallable_2;
  	      sorted = A.ListQueue$(t1);
  	      new A._EvaluateVisitor__combineCss_visitModule2(this, A.LinkedHashSet_LinkedHashSet$_empty(t1), clone, css, imports, sorted).call$1(root);
  	      if (root.get$transitivelyContainsExtensions())
  	        this._async_evaluate0$_extendModules$1(sorted);
  	      t1 = B.JSArray_methods.$add(imports, css);
  	      t2 = root.get$css(root);
  	      return new A.CssStylesheet0(new A.UnmodifiableListView(t1, type$.UnmodifiableListView_CssNode_2), t2.get$span(t2));
  	    },
  	    _async_evaluate0$_combineCss$1(root) {
  	      return this._async_evaluate0$_combineCss$2$clone(root, false);
  	    },
  	    _async_evaluate0$_extendModules$1(sortedModules) {
  	      var t1, t2, t3, originalSelectors, $self, t4, t5, _i, upstream, _0_0,
  	        downstreamExtensionStores = A.LinkedHashMap_LinkedHashMap$_empty(type$.Uri, type$.List_ExtensionStore_2),
  	        unsatisfiedExtensions = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_Extension_2);
  	      for (t1 = A._ListQueueIterator$(sortedModules, sortedModules.$ti._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        originalSelectors = t3.get$extensionStore().get$simpleSelectors().toSet$0(0);
  	        unsatisfiedExtensions.addAll$1(0, t3.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__extendModules_closure5(originalSelectors)));
  	        $self = downstreamExtensionStores.$index(0, t3.get$url(t3));
  	        t4 = t3.get$extensionStore().get$addExtensions();
  	        if ($self != null)
  	          t4.call$1($self);
  	        t4 = t3.get$extensionStore();
  	        if (t4.get$isEmpty(t4))
  	          continue;
  	        for (t4 = t3.get$upstream(), t5 = t4.length, _i = 0; _i < t4.length; t4.length === t5 || (0, A.throwConcurrentModificationError)(t4), ++_i) {
  	          upstream = t4[_i];
  	          _0_0 = upstream.get$url(upstream);
  	          if (_0_0 != null)
  	            J.add$1$ax(downstreamExtensionStores.putIfAbsent$2(_0_0, new A._EvaluateVisitor__extendModules_closure6()), t3.get$extensionStore());
  	        }
  	        unsatisfiedExtensions.removeAll$1(t3.get$extensionStore().extensionsWhereTarget$1(originalSelectors.get$contains(originalSelectors)));
  	      }
  	      if (unsatisfiedExtensions._collection$_length !== 0)
  	        this._async_evaluate0$_throwForUnsatisfiedExtension$1(unsatisfiedExtensions.get$first(0));
  	    },
  	    _async_evaluate0$_throwForUnsatisfiedExtension$1(extension) {
  	      throw A.wrapException(A.SassException$0(string$.The_ta + extension.target.toString$0(0) + ' !optional" to avoid this error.', extension.span, null));
  	    },
  	    _async_evaluate0$_indexAfterImports$1(statements) {
  	      var t1, lastImport, i, _0_0;
  	      for (t1 = J.getInterceptor$asx(statements), lastImport = -1, i = 0; i < t1.get$length(statements); ++i) {
  	        $label0$0: {
  	          _0_0 = t1.$index(statements, i);
  	          if (_0_0 instanceof A.ModifiableCssImport0)
  	            break $label0$0;
  	          if (_0_0 instanceof A.ModifiableCssComment0)
  	            continue;
  	          break;
  	        }
  	        lastImport = i;
  	      }
  	      return lastImport + 1;
  	    },
  	    visitStylesheet$1(_, node) {
  	      return this.visitStylesheet$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitStylesheet$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, warning, _i, $name, span;
  	      var $async$visitStylesheet$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              for (t1 = node.parseTimeWarnings, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	                warning = t1.__internal$_current;
  	                if (warning == null)
  	                  warning = t2._as(warning);
  	                $async$self._async_evaluate0$_warn$3(warning._1, warning._2, warning._0);
  	              }
  	              t1 = node.children, t2 = t1.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t1[_i].accept$1($async$self), $async$visitStylesheet$1);
  	            case 6:
  	              // returning from await.
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              for (t1 = A.MapExtensions_get_pairs0(node.globalVariables, type$.String, type$.FileSpan), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	                t2 = t1.get$current(t1);
  	                $name = t2._0;
  	                span = t2._1;
  	                $async$self.visitVariableDeclaration$1(0, new A.VariableDeclaration0(null, $name, new A.NullExpression0(span), true, false, span));
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStylesheet$1, $async$completer);
  	    },
  	    visitAtRootRule$1(_, node) {
  	      return this.visitAtRootRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitAtRootRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, _1_0, resolved, query, $parent, included, t1, _2_0, root, first, rest, innerCopy, outerCopy, _i, copy, _0_0;
  	      var $async$visitAtRootRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _0_0 = node.query;
  	              $async$goto = _0_0 != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationWithMap$2$warnForColor(_0_0, true), $async$visitAtRootRule$1);
  	            case 6:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              resolved = _1_0._0;
  	              _1_0._1;
  	              query = new A.AtRootQueryParser0(A.SpanScanner$(resolved, null), null).parse$0(0);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              query = B.AtRootQuery_bfj0;
  	            case 4:
  	              // join
  	              $parent = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent");
  	              included = A._setArrayType([], type$.JSArray_ModifiableCssParentNode_2);
  	              for (t1 = type$.CssStylesheet_2; !t1._is($parent); $parent = _2_0) {
  	                if (!query.excludes$1($parent))
  	                  included.push($parent);
  	                _2_0 = $parent._node$_parent;
  	                if (_2_0 == null)
  	                  throw A.wrapException(A.StateError$(string$.CssNod));
  	              }
  	              root = $async$self._async_evaluate0$_trimIncluded$1(included);
  	              $async$goto = root === $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate0$_environment.scope$1$2$when(new A._EvaluateVisitor_visitAtRootRule_closure5($async$self, node), node.hasDeclarations, type$.Null), $async$visitAtRootRule$1);
  	            case 9:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 8:
  	              // join
  	              if (included.length >= 1) {
  	                first = included[0];
  	                rest = B.JSArray_methods.sublist$1(included, 1);
  	                innerCopy = first.copyWithoutChildren$0();
  	                for (t1 = rest.length, outerCopy = innerCopy, _i = 0; _i < rest.length; rest.length === t1 || (0, A.throwConcurrentModificationError)(rest), ++_i, outerCopy = copy) {
  	                  copy = rest[_i].copyWithoutChildren$0();
  	                  copy.addChild$1(outerCopy);
  	                }
  	                root.addChild$1(outerCopy);
  	              } else
  	                innerCopy = root;
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_scopeForAtRoot$4(node, innerCopy, query, included).call$1(new A._EvaluateVisitor_visitAtRootRule_closure6($async$self, node)), $async$visitAtRootRule$1);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitAtRootRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_trimIncluded$1(nodes) {
  	      var $parent, t1, innermostContiguous, i, t2, _0_0, _1_0, root, _this = this, _null = null, _s5_ = "_root",
  	        _s22_ = " to be an ancestor of ";
  	      if (nodes.length === 0)
  	        return _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_);
  	      $parent = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__parent, "__parent");
  	      for (t1 = nodes.length, innermostContiguous = _null, i = 0; i < t1; ++i, $parent = _1_0) {
  	        for (; t2 = nodes[i], $parent !== t2; innermostContiguous = _null, $parent = _0_0) {
  	          _0_0 = $parent._node$_parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	        }
  	        if (innermostContiguous == null)
  	          innermostContiguous = i;
  	        _1_0 = $parent._node$_parent;
  	        if (_1_0 == null)
  	          throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	      }
  	      if ($parent !== _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_))
  	        return _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_);
  	      innermostContiguous.toString;
  	      root = nodes[innermostContiguous];
  	      B.JSArray_methods.removeRange$2(nodes, innermostContiguous, nodes.length);
  	      return root;
  	    },
  	    _async_evaluate0$_scopeForAtRoot$4(node, newParent, query, included) {
  	      var _this = this,
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure17(_this, newParent, node),
  	        t1 = query._at_root_query0$_all || query._at_root_query0$_rule;
  	      if (t1 !== query.include)
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure18(_this, scope);
  	      if (_this._async_evaluate0$_mediaQueries != null && query.excludesName$1("media"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure19(_this, scope);
  	      if (_this._async_evaluate0$_inKeyframes && query.excludesName$1("keyframes"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure20(_this, scope);
  	      return _this._async_evaluate0$_inUnknownAtRule && !B.JSArray_methods.any$1(included, new A._EvaluateVisitor__scopeForAtRoot_closure21()) ? new A._EvaluateVisitor__scopeForAtRoot_closure22(_this, scope) : scope;
  	    },
  	    visitContentBlock$1(_, node) {
  	      return A.throwExpression(A.UnsupportedError$(string$.Evalua));
  	    },
  	    visitContentRule$1(_, node) {
  	      return this.visitContentRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitContentRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, $content;
  	      var $async$visitContentRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $content = $async$self._async_evaluate0$_environment._async_environment0$_content;
  	              if ($content == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_runUserDefinedCallable$1$4(node.$arguments, $content, node, new A._EvaluateVisitor_visitContentRule_closure2($async$self, $content), type$.Null), $async$visitContentRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitContentRule$1, $async$completer);
  	    },
  	    visitDebugRule$1(_, node) {
  	      return this.visitDebugRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitDebugRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, value, t1;
  	      var $async$visitDebugRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitDebugRule$1);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              t1 = value instanceof A.SassString0 ? value._string0$_text : A.serializeValue0(value, true, true);
  	              $async$self._async_evaluate0$_logger.debug$2(0, t1, node.span);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitDebugRule$1, $async$completer);
  	    },
  	    visitDeclaration$1(_, node) {
  	      return this.visitDeclaration$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitDeclaration$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, $name, _0_0, _1_0, value, t2, t3, _2_0, oldDeclarationName;
  	      var $async$visitDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (($async$self._async_evaluate0$_atRootExcludingStyleRule ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot) == null && !$async$self._async_evaluate0$_inUnknownAtRule && !$async$self._async_evaluate0$_inKeyframes)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Declarm, node.span));
  	              if ($async$self._async_evaluate0$_declarationName != null && !node.parsedAsSassScript) {
  	                t1 = B.JSString_methods.startsWith$1(node.name.get$initialPlain(), "--") ? string$.Declarw : string$.Declarp;
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(t1, node.span));
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_interpolationToValue$2$warnForColor(node.name, true), $async$visitDeclaration$1);
  	            case 3:
  	              // returning from await.
  	              $name = $async$result;
  	              _0_0 = $async$self._async_evaluate0$_declarationName;
  	              if (_0_0 != null)
  	                $name = new A.CssValue0(_0_0 + "-" + $name.value, $name.span, type$.CssValue_String_2);
  	              _1_0 = node.value;
  	              $async$goto = _1_0 != null ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait(_1_0.accept$1($async$self), $async$visitDeclaration$1);
  	            case 6:
  	              // returning from await.
  	              value = $async$result;
  	              if (!value.get$isBlank() || value.get$asList().length === 0 || B.JSString_methods.startsWith$1($name.value, "--")) {
  	                $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	                t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent");
  	                t2 = _1_0.get$span(_1_0);
  	                if ($async$self._async_evaluate0$_sourceMap) {
  	                  t3 = A.NullableExtension_andThen0(_1_0, $async$self.get$_async_evaluate0$_expressionNode());
  	                  t3 = t3 == null ? null : J.get$span$x(t3);
  	                } else
  	                  t3 = null;
  	                t1.addChild$1(A.ModifiableCssDeclaration$0($name, new A.CssValue0(value, t2, type$.CssValue_Value_2), node.span, node.parsedAsSassScript, t3));
  	              }
  	            case 5:
  	              // join
  	              _2_0 = node.children;
  	              t1 = {};
  	              t1.children = null;
  	              $async$goto = _2_0 != null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              t1.children = _2_0;
  	              oldDeclarationName = $async$self._async_evaluate0$_declarationName;
  	              $async$self._async_evaluate0$_declarationName = $name.value;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate0$_environment.scope$1$2$when(new A._EvaluateVisitor_visitDeclaration_closure2(t1, $async$self), node.hasDeclarations, type$.Null), $async$visitDeclaration$1);
  	            case 9:
  	              // returning from await.
  	              $async$self._async_evaluate0$_declarationName = oldDeclarationName;
  	            case 8:
  	              // join
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitDeclaration$1, $async$completer);
  	    },
  	    visitEachRule$1(_, node) {
  	      return this.visitEachRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitEachRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, list, nodeWithSpan, _0_0;
  	      var $async$visitEachRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.list;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1.accept$1($async$self), $async$visitEachRule$1);
  	            case 3:
  	              // returning from await.
  	              list = $async$result;
  	              nodeWithSpan = $async$self._async_evaluate0$_expressionNode$1(t1);
  	              _0_0 = node.variables;
  	              $label0$0: {
  	                t1 = {};
  	                t1.variable = null;
  	                if (_0_0.length === 1) {
  	                  t1.variable = _0_0[0];
  	                  t1 = new A._EvaluateVisitor_visitEachRule_closure8(t1, $async$self, nodeWithSpan);
  	                  break $label0$0;
  	                }
  	                t1 = {};
  	                t1.variables = null;
  	                t1.variables = _0_0;
  	                t1 = new A._EvaluateVisitor_visitEachRule_closure9(t1, $async$self, nodeWithSpan);
  	                break $label0$0;
  	              }
  	              $async$returnValue = $async$self._async_evaluate0$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitEachRule_closure10($async$self, list, t1, node), true, type$.nullable_Value_2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitEachRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_setMultipleVariables$3(variables, value, nodeWithSpan) {
  	      var i,
  	        list = value.get$asList(),
  	        t1 = variables.length,
  	        minLength = Math.min(t1, list.length);
  	      for (i = 0; i < minLength; ++i)
  	        this._async_evaluate0$_environment.setLocalVariable$3(variables[i], this._async_evaluate0$_withoutSlash$2(list[i], nodeWithSpan), nodeWithSpan);
  	      for (i = minLength; i < t1; ++i)
  	        this._async_evaluate0$_environment.setLocalVariable$3(variables[i], B.C__SassNull0, nodeWithSpan);
  	    },
  	    visitErrorRule$1(_, node) {
  	      return this.visitErrorRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitErrorRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$self = this, $async$temp1, $async$temp2;
  	      var $async$visitErrorRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$temp2 = J;
  	              $async$goto = 2;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitErrorRule$1);
  	            case 2:
  	              // returning from await.
  	              throw $async$temp1.wrapException($async$self._async_evaluate0$_exception$2($async$temp2.toString$0$($async$result), node.span));
  	          }
  	      });
  	      return A._asyncStartSync($async$visitErrorRule$1, $async$completer);
  	    },
  	    visitExtendRule$1(_, node) {
  	      return this.visitExtendRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitExtendRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, _0_0, targetText, targetMap, compound, simple, styleRule;
  	      var $async$visitExtendRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              styleRule = $async$self._async_evaluate0$_atRootExcludingStyleRule ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              if (styleRule == null || $async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.x40exten, node.span));
  	              for (t1 = styleRule.originalSelector.components, t2 = t1.length, t3 = node.span, t4 = type$.SourceSpan, t5 = type$.String, _i = 0; _i < t2; ++_i) {
  	                complex = t1[_i];
  	                if (!complex.accept$1(B._IsBogusVisitor_true0))
  	                  continue;
  	                visitor = A._SerializeVisitor$0(null, true, null, null, true, false, null, true);
  	                complex.accept$1(visitor);
  	                t6 = B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0));
  	                t7 = complex.accept$1(B.C__IsUselessVisitor0) ? "can't" : "shouldn't";
  	                $async$self._async_evaluate0$_warn$3('The selector "' + t6 + '" is invalid CSS and ' + t7 + string$.x20be_an, new A.MultiSpan0(A.SpanExtensions_trimRight0(complex.span), "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t3, "@extend rule"], t4, t5), t4, t5)), B.Deprecation_2PR);
  	              }
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationWithMap$2$warnForColor(node.selector, true), $async$visitExtendRule$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              targetText = _0_0._0;
  	              targetMap = _0_0._1;
  	              for (t1 = A.SelectorList_SelectorList$parse0(A.trimAscii0(targetText, true), false, targetMap, false).components, t2 = t1.length, t3 = styleRule._style_rule0$_selector._box0$_inner, _i = 0; _i < t2; ++_i) {
  	                complex = t1[_i];
  	                compound = complex.get$singleCompound();
  	                if (compound == null)
  	                  throw A.wrapException(A.SassFormatException$0("complex selectors may not be extended.", complex.span, null));
  	                t4 = compound.components;
  	                simple = t4.length === 1 ? B.JSArray_methods.get$first(t4) : null;
  	                if (simple == null)
  	                  throw A.wrapException(A.SassFormatException$0(string$.compou + B.JSArray_methods.join$1(t4, ", ") + string$.x60_inst, compound.span, null));
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__extensionStore, "_extensionStore").addExtension$4(t3.value, simple, node, $async$self._async_evaluate0$_mediaQueries);
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitExtendRule$1, $async$completer);
  	    },
  	    visitAtRule$1(_, node) {
  	      return this.visitAtRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitAtRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, $name, t1, value, children, wasInKeyframes, wasInUnknownAtRule, rule;
  	      var $async$visitAtRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.At_rul, node.span));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_interpolationToValue$1(node.name), $async$visitAtRule$1);
  	            case 3:
  	              // returning from await.
  	              $name = $async$result;
  	              t1 = A.NullableExtension_andThen0(node.value, new A._EvaluateVisitor_visitAtRule_closure11($async$self));
  	              $async$goto = 4;
  	              return A._asyncAwait(type$.Future_nullable_CssValue_String_2._is(t1) ? t1 : A._Future$value(t1, type$.nullable_CssValue_String_2), $async$visitAtRule$1);
  	            case 4:
  	              // returning from await.
  	              value = $async$result;
  	              children = node.children;
  	              if (children == null) {
  	                $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$0($name, node.span, true, value));
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              wasInKeyframes = $async$self._async_evaluate0$_inKeyframes;
  	              wasInUnknownAtRule = $async$self._async_evaluate0$_inUnknownAtRule;
  	              if (A.unvendor0($name.value) === "keyframes")
  	                $async$self._async_evaluate0$_inKeyframes = true;
  	              else
  	                $async$self._async_evaluate0$_inUnknownAtRule = true;
  	              rule = A.ModifiableCssAtRule$0($name, node.span, false, value);
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 5 : 6;
  	              break;
  	            case 5:
  	              // then
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitAtRule_closure12($async$self, children), node.hasDeclarations, type$.ModifiableCssAtRule_2, type$.Null), $async$visitAtRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$self._async_evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate0$_inKeyframes = wasInKeyframes;
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 6:
  	              // join
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitAtRule_closure13($async$self, $name, children), node.hasDeclarations, new A._EvaluateVisitor_visitAtRule_closure14(), type$.ModifiableCssAtRule_2, type$.Null), $async$visitAtRule$1);
  	            case 8:
  	              // returning from await.
  	              $async$self._async_evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate0$_inKeyframes = wasInKeyframes;
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitAtRule$1, $async$completer);
  	    },
  	    visitForRule$1(_, node) {
  	      return this.visitForRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitForRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, fromNumber, t4, toNumber, from, to, direction;
  	      var $async$visitForRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              t2 = node.from;
  	              t3 = type$.SassNumber_2;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(t2, new A._EvaluateVisitor_visitForRule_closure14($async$self, node), t3), $async$visitForRule$1);
  	            case 3:
  	              // returning from await.
  	              fromNumber = $async$result;
  	              t4 = node.to;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(t4, new A._EvaluateVisitor_visitForRule_closure15($async$self, node), t3), $async$visitForRule$1);
  	            case 4:
  	              // returning from await.
  	              toNumber = $async$result;
  	              from = $async$self._async_evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure16(fromNumber));
  	              to = t1.to = $async$self._async_evaluate0$_addExceptionSpan$2(t4, new A._EvaluateVisitor_visitForRule_closure17(toNumber, fromNumber));
  	              direction = from > to ? -1 : 1;
  	              if (from === (!node.isExclusive ? t1.to = to + direction : to)) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$returnValue = $async$self._async_evaluate0$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitForRule_closure18(t1, $async$self, node, from, direction, fromNumber), true, type$.nullable_Value_2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitForRule$1, $async$completer);
  	    },
  	    visitForwardRule$1(_, node) {
  	      return this.visitForwardRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitForwardRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, newConfiguration, t4, _i, variable, $name, oldConfiguration, adjustedConfiguration, t1, t2, t3;
  	      var $async$visitForwardRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldConfiguration = $async$self._async_evaluate0$_configuration;
  	              adjustedConfiguration = oldConfiguration.throughForward$1(node);
  	              t1 = node.configuration;
  	              t2 = t1.length;
  	              t3 = node.url;
  	              $async$goto = t2 !== 0 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_addForwardConfiguration$2(adjustedConfiguration, node), $async$visitForwardRule$1);
  	            case 6:
  	              // returning from await.
  	              newConfiguration = $async$result;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_loadModule$5$configuration(t3, "@forward", node, new A._EvaluateVisitor_visitForwardRule_closure5($async$self, node), newConfiguration), $async$visitForwardRule$1);
  	            case 7:
  	              // returning from await.
  	              t3 = type$.String;
  	              t4 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	              for (_i = 0; _i < t2; ++_i) {
  	                variable = t1[_i];
  	                if (!variable.isGuarded)
  	                  t4.add$1(0, variable.name);
  	              }
  	              $async$self._async_evaluate0$_removeUsedConfiguration$3$except(adjustedConfiguration, newConfiguration, t4);
  	              t3 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	              for (_i = 0; _i < t2; ++_i)
  	                t3.add$1(0, t1[_i].name);
  	              for (t1 = newConfiguration._configuration0$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t4 = t2.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	                $name = t2[_i];
  	                if (!t3.contains$1(0, $name))
  	                  if (!t1.get$isEmpty(t1))
  	                    t1.remove$1(0, $name);
  	              }
  	              $async$self._async_evaluate0$_assertConfigurationIsEmpty$1(newConfiguration);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              $async$self._async_evaluate0$_configuration = adjustedConfiguration;
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate0$_loadModule$4(t3, "@forward", node, new A._EvaluateVisitor_visitForwardRule_closure6($async$self, node)), $async$visitForwardRule$1);
  	            case 8:
  	              // returning from await.
  	              $async$self._async_evaluate0$_configuration = oldConfiguration;
  	            case 4:
  	              // join
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitForwardRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_addForwardConfiguration$2(configuration, node) {
  	      return this._addForwardConfiguration$body$_EvaluateVisitor0(configuration, node);
  	    },
  	    _addForwardConfiguration$body$_EvaluateVisitor0(configuration, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Configuration_2),
  	        $async$returnValue, $async$self = this, t2, t3, t4, t5, _i, variable, t6, _0_0, t7, oldValue, variableNodeWithSpan, t1, newValues, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$_async_evaluate0$_addForwardConfiguration$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = configuration._configuration0$_values;
  	              newValues = A.LinkedHashMap_LinkedHashMap$of(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.String, type$.ConfiguredValue_2);
  	              t2 = node.configuration, t3 = t2.length, t4 = type$._Future_Value_2, t5 = type$.Future_Value_2, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              variable = t2[_i];
  	              if (variable.isGuarded) {
  	                t6 = variable.name;
  	                _0_0 = t1.get$isEmpty(t1) ? null : t1.remove$1(0, t6);
  	                if (_0_0 != null) {
  	                  t7 = !_0_0.value.$eq(0, B.C__SassNull0);
  	                  oldValue = _0_0;
  	                } else {
  	                  oldValue = null;
  	                  t7 = false;
  	                }
  	                if (t7) {
  	                  newValues.$indexSet(0, t6, oldValue);
  	                  // goto for update
  	                  $async$goto = 4;
  	                  break;
  	                }
  	              }
  	              t6 = variable.expression;
  	              variableNodeWithSpan = $async$self._async_evaluate0$_expressionNode$1(t6);
  	              t6 = t6.accept$1($async$self);
  	              if (!t5._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t4);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$temp1 = newValues;
  	              $async$temp2 = variable.name;
  	              $async$temp3 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait(t6, $async$_async_evaluate0$_addForwardConfiguration$2);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, new $async$temp3.ConfiguredValue0($async$self._async_evaluate0$_withoutSlash$2($async$result, variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              if (configuration instanceof A.ExplicitConfiguration0 || t1.get$isEmpty(t1)) {
  	                $async$returnValue = new A.ExplicitConfiguration0(node, newValues, null);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else {
  	                $async$returnValue = new A.Configuration0(newValues, null);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_addForwardConfiguration$2, $async$completer);
  	    },
  	    _async_evaluate0$_registerCommentsForModule$1(module) {
  	      var _this = this, _s5_ = "_root",
  	        t1 = _this._async_evaluate0$__root;
  	      if (t1 == null)
  	        return;
  	      if (_this._async_evaluate0$_assertInModule$2(t1, _s5_).children.get$length(0) === 0 || !module.get$transitivelyContainsCss())
  	        return;
  	      t1 = _this._async_evaluate0$_preModuleComments;
  	      if (t1 == null)
  	        t1 = _this._async_evaluate0$_preModuleComments = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_AsyncCallable_2, type$.List_CssComment_2);
  	      J.addAll$1$ax(t1.putIfAbsent$2(module, new A._EvaluateVisitor__registerCommentsForModule_closure2()), new A.UnmodifiableListView(J.cast$1$0$ax(_this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_).children._collection$_source, type$.CssComment_2), type$.UnmodifiableListView_CssComment_2));
  	      _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__root, _s5_).clearChildren$0();
  	      _this._async_evaluate0$__endOfImports = 0;
  	    },
  	    _async_evaluate0$_removeUsedConfiguration$3$except(upstream, downstream, except) {
  	      var t1, t2, t3, t4, _i, $name;
  	      for (t1 = upstream._configuration0$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t3 = t2.length, t4 = downstream._configuration0$_values, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $name = t2[_i];
  	        if (except.contains$1(0, $name))
  	          continue;
  	        if (!t4.containsKey$1($name))
  	          if (!t1.get$isEmpty(t1))
  	            t1.remove$1(0, $name);
  	      }
  	    },
  	    _async_evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, nameInError) {
  	      var t1, _0_0;
  	      if (!(configuration instanceof A.ExplicitConfiguration0))
  	        return;
  	      t1 = configuration._configuration0$_values;
  	      if (t1.get$isEmpty(t1))
  	        return;
  	      t1 = A.MapExtensions_get_pairs0(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.String, type$.ConfiguredValue_2);
  	      _0_0 = t1.get$first(t1);
  	      t1 = nameInError ? "$" + _0_0._0 + string$.x20was_n : string$.This_v;
  	      throw A.wrapException(this._async_evaluate0$_exception$2(t1, _0_0._1.configurationSpan));
  	    },
  	    _async_evaluate0$_assertConfigurationIsEmpty$1(configuration) {
  	      return this._async_evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, false);
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return this.visitFunctionRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitFunctionRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, index, t5;
  	      var $async$visitFunctionRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate0$_environment;
  	              t2 = t1.closure$0();
  	              t3 = $async$self._async_evaluate0$_inDependency;
  	              t4 = t1._async_environment0$_functions;
  	              index = t4.length - 1;
  	              t5 = node.name;
  	              t1._async_environment0$_functionIndices.$indexSet(0, t5, index);
  	              t4[index].$indexSet(0, t5, new A.UserDefinedCallable0(node, t2, t3, type$.UserDefinedCallable_AsyncEnvironment_2));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitFunctionRule$1, $async$completer);
  	    },
  	    visitIfRule$1(_, node) {
  	      return this.visitIfRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, _i, clauseToCheck, clause;
  	      var $async$visitIfRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              clause = node.lastClause;
  	              t1 = node.clauses, t2 = t1.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              clauseToCheck = t1[_i];
  	              $async$goto = 6;
  	              return A._asyncAwait(clauseToCheck.expression.accept$1($async$self), $async$visitIfRule$1);
  	            case 6:
  	              // returning from await.
  	              if ($async$result.get$isTruthy()) {
  	                clause = clauseToCheck;
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = A.NullableExtension_andThen0(clause, new A._EvaluateVisitor_visitIfRule_closure2($async$self));
  	              $async$goto = 7;
  	              return A._asyncAwait(type$.Future_nullable_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.nullable_Value_2), $async$visitIfRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfRule$1, $async$completer);
  	    },
  	    visitImportRule$1(_, node) {
  	      return this.visitImportRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitImportRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i, $import;
  	      var $async$visitImportRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.imports, t2 = t1.length, t3 = type$.StaticImport_2, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $import = t1[_i];
  	              $async$goto = $import instanceof A.DynamicImport0 ? 6 : 8;
  	              break;
  	            case 6:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitDynamicImport$1($import), $async$visitImportRule$1);
  	            case 9:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // else
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitStaticImport$1(t3._as($import)), $async$visitImportRule$1);
  	            case 10:
  	              // returning from await.
  	            case 7:
  	              // join
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitImportRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_visitDynamicImport$1($import) {
  	      return this._async_evaluate0$_withStackFrame$1$3("@import", $import, new A._EvaluateVisitor__visitDynamicImport_closure2(this, $import), type$.void);
  	    },
  	    _async_evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, forImport) {
  	      return this._loadStylesheet$body$_EvaluateVisitor0(url, span, baseUrl, forImport);
  	    },
  	    _async_evaluate0$_loadStylesheet$3$baseUrl(url, span, baseUrl) {
  	      return this._async_evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, false);
  	    },
  	    _async_evaluate0$_loadStylesheet$3$forImport(url, span, forImport) {
  	      return this._async_evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, null, forImport);
  	    },
  	    _loadStylesheet$body$_EvaluateVisitor0(url, span, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency_2),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, _0_0, importCache, _1_0, importer, canonicalUrl, originalUrl, isDependency, _2_0, stylesheet, _3_0, result, error, stackTrace, error0, stackTrace0, t1, t2, $async$exception;
  	      var $async$_async_evaluate0$_loadStylesheet$4$baseUrl$forImport = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              baseUrl = baseUrl;
  	              $async$handler = 4;
  	              $async$self._async_evaluate0$_importSpan = span;
  	              _0_0 = $async$self._async_evaluate0$_importCache;
  	              importCache = null;
  	              $async$goto = _0_0 != null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              importCache = _0_0;
  	              if (baseUrl == null) {
  	                t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").span;
  	                baseUrl = t1.get$sourceUrl(t1);
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(J.canonicalize$4$baseImporter$baseUrl$forImport$x(importCache, A.Uri_parse(url), $async$self._async_evaluate0$_importer, baseUrl, forImport), $async$_async_evaluate0$_loadStylesheet$4$baseUrl$forImport);
  	            case 9:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              importer = null;
  	              canonicalUrl = null;
  	              originalUrl = null;
  	              $async$goto = type$.Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl._is(_1_0) ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              importer = _1_0._0;
  	              canonicalUrl = _1_0._1;
  	              originalUrl = _1_0._2;
  	              if (canonicalUrl.get$scheme() === "")
  	                A.WarnForDeprecation_warnForDeprecation0($async$self._async_evaluate0$_logger, B.Deprecation_Vc9, "Importer " + A.S(importer) + " canonicalized " + url + " to " + A.S(canonicalUrl) + string$.x2e_Rela, null, null);
  	              $async$self._async_evaluate0$_loadedUrls.add$1(0, canonicalUrl);
  	              isDependency = $async$self._async_evaluate0$_inDependency || !J.$eq$(importer, $async$self._async_evaluate0$_importer);
  	              $async$goto = 12;
  	              return A._asyncAwait(importCache.importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl), $async$_async_evaluate0$_loadStylesheet$4$baseUrl$forImport);
  	            case 12:
  	              // returning from await.
  	              _2_0 = $async$result;
  	              stylesheet = null;
  	              if (_2_0 != null) {
  	                stylesheet = _2_0;
  	                t1 = stylesheet;
  	                t2 = importer;
  	                $async$returnValue = new A._Record_3_importer_isDependency(t1, t2, isDependency);
  	                $async$next = [1];
  	                // goto finally
  	                $async$goto = 5;
  	                break;
  	              }
  	            case 11:
  	              // join
  	            case 8:
  	              // join
  	              $async$goto = $async$self._async_evaluate0$_nodeImporter != null ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              t1 = baseUrl;
  	              if (t1 == null) {
  	                t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").span;
  	                t1 = t1.get$sourceUrl(t1);
  	              }
  	              $async$goto = 15;
  	              return A._asyncAwait($async$self._async_evaluate0$_importLikeNode$3(url, t1, forImport), $async$_async_evaluate0$_loadStylesheet$4$baseUrl$forImport);
  	            case 15:
  	              // returning from await.
  	              _3_0 = $async$result;
  	              result = null;
  	              if (_3_0 != null) {
  	                result = _3_0;
  	                t1 = result._0.span;
  	                t2 = $async$self._async_evaluate0$_loadedUrls;
  	                A.NullableExtension_andThen0(t1.get$sourceUrl(t1), t2.get$add(t2));
  	                t2 = result;
  	                $async$returnValue = t2;
  	                $async$next = [1];
  	                // goto finally
  	                $async$goto = 5;
  	                break;
  	              }
  	            case 14:
  	              // join
  	              t1 = B.JSString_methods.startsWith$1(url, "package:");
  	              if (t1)
  	                throw A.wrapException(string$.x22packa);
  	              else
  	                throw A.wrapException("Can't find stylesheet to import.");
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException0)
  	                throw $async$exception;
  	              else if (t1 instanceof A.ArgumentError) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace0($async$self._async_evaluate0$_exception$1(J.toString$0$(error)), error, stackTrace);
  	              } else {
  	                error0 = t1;
  	                stackTrace0 = A.getTraceFromException($async$exception);
  	                A.throwWithTrace0($async$self._async_evaluate0$_exception$1($async$self._async_evaluate0$_getErrorMessage$1(error0)), error0, stackTrace0);
  	              }
  	              $async$next.push(6);
  	              // goto finally
  	              $async$goto = 5;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [2];
  	            case 5:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_evaluate0$_importSpan = null;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_loadStylesheet$4$baseUrl$forImport, $async$completer);
  	    },
  	    _async_evaluate0$_importLikeNode$3(originalUrl, previous, forImport) {
  	      return this._importLikeNode$body$_EvaluateVisitor(originalUrl, previous, forImport);
  	    },
  	    _importLikeNode$body$_EvaluateVisitor(originalUrl, previous, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency),
  	        $async$returnValue, $async$self = this, isDependency, url, t1, result;
  	      var $async$_async_evaluate0$_importLikeNode$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate0$_nodeImporter;
  	              result = t1.loadRelative$3(originalUrl, previous, forImport);
  	              $async$goto = result != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              isDependency = $async$self._async_evaluate0$_inDependency;
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              $async$goto = 6;
  	              return A._asyncAwait(t1.loadAsync$3(originalUrl, previous, forImport), $async$_async_evaluate0$_importLikeNode$3);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              isDependency = true;
  	            case 4:
  	              // join
  	              url = result._1;
  	              t1 = B.JSString_methods.startsWith$1(url, "file") ? A.Syntax_forPath0(url) : B.Syntax_SCSS_0_scss0;
  	              $async$returnValue = new A._Record_3_importer_isDependency(A.Stylesheet_Stylesheet$parse0(result._0, t1, false, url), null, isDependency);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_importLikeNode$3, $async$completer);
  	    },
  	    _async_evaluate0$_visitStaticImport$1($import) {
  	      return this._visitStaticImport$body$_EvaluateVisitor0($import);
  	    },
  	    _visitStaticImport$body$_EvaluateVisitor0($import) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, node, $async$temp1, $async$temp2;
  	      var $async$_async_evaluate0$_visitStaticImport$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate0$_interpolationToValue$1($import.url), $async$_async_evaluate0$_visitStaticImport$1);
  	            case 2:
  	              // returning from await.
  	              t1 = $async$result;
  	              t2 = A.NullableExtension_andThen0($import.modifiers, $async$self.get$_async_evaluate0$_interpolationToValue());
  	              $async$temp1 = A;
  	              $async$temp2 = t1;
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_nullable_CssValue_String_2._is(t2) ? t2 : A._Future$value(t2, type$.nullable_CssValue_String_2), $async$_async_evaluate0$_visitStaticImport$1);
  	            case 3:
  	              // returning from await.
  	              node = new $async$temp1.ModifiableCssImport0($async$temp2, $async$result, $import.span);
  	              if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") !== $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root")) {
  	                $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(node);
  	              } else if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").children._collection$_source)) {
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").addChild$1(node);
  	                $async$self._async_evaluate0$__endOfImports = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") + 1;
  	              } else {
  	                t1 = $async$self._async_evaluate0$_outOfOrderImports;
  	                (t1 == null ? $async$self._async_evaluate0$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport_2) : t1).push(node);
  	              }
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_visitStaticImport$1, $async$completer);
  	    },
  	    _async_evaluate0$_applyMixin$5(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      return this._applyMixin$body$_EvaluateVisitor0(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent);
  	    },
  	    _applyMixin$body$_EvaluateVisitor0(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, _0_0, t2, _1_8, t3;
  	      var $async$_async_evaluate0$_applyMixin$5 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (mixin == null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2("Undefined mixin.", nodeWithSpan.get$span(nodeWithSpan)));
  	              t1 = type$.AsyncBuiltInCallable_2._is(mixin);
  	              $async$goto = t1 && !mixin.get$acceptsContent() && contentCallable != null ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateArguments$1($arguments), $async$_async_evaluate0$_applyMixin$5);
  	            case 5:
  	              // returning from await.
  	              t1 = $async$result._values;
  	              _0_0 = mixin.callbackFor$2(J.get$length$asx(t1[2]), new A.MapKeySet(t1[0], type$.MapKeySet_String));
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$0("Mixin doesn't accept a content block.", nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_0_0._0.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate0$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), null));
  	            case 4:
  	              // join
  	              $async$goto = t1 ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              $async$goto = 8;
  	              return A._asyncAwait($async$self._async_evaluate0$_environment.withContent$2(contentCallable, new A._EvaluateVisitor__applyMixin_closure5($async$self, $arguments, mixin, nodeWithSpanWithoutContent)), $async$_async_evaluate0$_applyMixin$5);
  	            case 8:
  	              // returning from await.
  	              // goto break $label0$0
  	              $async$goto = 2;
  	              break;
  	            case 7:
  	              // join
  	              t1 = type$.UserDefinedCallable_AsyncEnvironment_2._is(mixin);
  	              t2 = false;
  	              if (t1) {
  	                _1_8 = mixin.declaration;
  	                t3 = _1_8;
  	                if (t3 instanceof A.MixinRule0)
  	                  t2 = !type$.MixinRule_2._as(_1_8).get$hasContent() && contentCallable != null;
  	              }
  	              if (t2)
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$0("Mixin doesn't accept a content block.", nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([mixin.declaration.parameters.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate0$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), null));
  	              $async$goto = t1 ? 9 : 10;
  	              break;
  	            case 9:
  	              // then
  	              $async$goto = 11;
  	              return A._asyncAwait($async$self._async_evaluate0$_runUserDefinedCallable$1$4($arguments, mixin, nodeWithSpanWithoutContent, new A._EvaluateVisitor__applyMixin_closure6($async$self, contentCallable, mixin, nodeWithSpanWithoutContent), type$.Null), $async$_async_evaluate0$_applyMixin$5);
  	            case 11:
  	              // returning from await.
  	              // goto break $label0$0
  	              $async$goto = 2;
  	              break;
  	            case 10:
  	              // join
  	              throw A.wrapException(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	            case 2:
  	              // break $label0$0
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_applyMixin$5, $async$completer);
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return this.visitIncludeRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIncludeRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, mixin;
  	      var $async$visitIncludeRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              mixin = $async$self._async_evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitIncludeRule_closure8($async$self, node));
  	              if (B.JSString_methods.startsWith$1(node.originalName, "--") && mixin instanceof A.UserDefinedCallable0 && !B.JSString_methods.startsWith$1(mixin.declaration.originalName, "--"))
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Sass__m, node.get$nameSpan()));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_applyMixin$5(mixin, A.NullableExtension_andThen0(node.content, new A._EvaluateVisitor_visitIncludeRule_closure9($async$self)), node.$arguments, node, new A._FakeAstNode0(new A._EvaluateVisitor_visitIncludeRule_closure10(node))), $async$visitIncludeRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIncludeRule$1, $async$completer);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return this.visitMixinRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitMixinRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, index, t5;
  	      var $async$visitMixinRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate0$_environment;
  	              t2 = t1.closure$0();
  	              t3 = $async$self._async_evaluate0$_inDependency;
  	              t4 = t1._async_environment0$_mixins;
  	              index = t4.length - 1;
  	              t5 = node.name;
  	              t1._async_environment0$_mixinIndices.$indexSet(0, t5, index);
  	              t4[index].$indexSet(0, t5, new A.UserDefinedCallable0(node, t2, t3, type$.UserDefinedCallable_AsyncEnvironment_2));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMixinRule$1, $async$completer);
  	    },
  	    visitLoudComment$1(_, node) {
  	      return this.visitLoudComment$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitLoudComment$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, text;
  	      var $async$visitLoudComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_inFunction) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") === $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root") && $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").children._collection$_source))
  	                $async$self._async_evaluate0$__endOfImports = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") + 1;
  	              t1 = node.text;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(t1), $async$visitLoudComment$1);
  	            case 3:
  	              // returning from await.
  	              text = $async$result;
  	              if (!B.JSString_methods.endsWith$1(text, "*/"))
  	                text += " */";
  	              $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(new A.ModifiableCssComment0(text, t1.span));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitLoudComment$1, $async$completer);
  	    },
  	    visitMediaRule$1(_, node) {
  	      return this.visitMediaRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitMediaRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, queries, mergedQueries, t1, mergedSources, t2, t3;
  	      var $async$visitMediaRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Media_, node.span));
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitMediaQueries$1(node.query), $async$visitMediaRule$1);
  	            case 3:
  	              // returning from await.
  	              queries = $async$result;
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$0(queries, node.span), new A._EvaluateVisitor_visitMediaRule_closure11($async$self, node), false, type$.ModifiableCssMediaRule_2, type$.Null), $async$visitMediaRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              mergedQueries = A.NullableExtension_andThen0($async$self._async_evaluate0$_mediaQueries, new A._EvaluateVisitor_visitMediaRule_closure12($async$self, queries));
  	              t1 = mergedQueries == null;
  	              if (!t1 && J.get$isEmpty$asx(mergedQueries)) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (t1)
  	                mergedSources = B.Set_empty6;
  	              else {
  	                t2 = $async$self._async_evaluate0$_mediaQuerySources;
  	                t2.toString;
  	                t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery_2);
  	                t3 = $async$self._async_evaluate0$_mediaQueries;
  	                t3.toString;
  	                t2.addAll$1(0, t3);
  	                t2.addAll$1(0, queries);
  	                mergedSources = t2;
  	              }
  	              t1 = t1 ? queries : mergedQueries;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$0(t1, node.span), new A._EvaluateVisitor_visitMediaRule_closure13($async$self, mergedQueries, queries, mergedSources, node), node.hasDeclarations, new A._EvaluateVisitor_visitMediaRule_closure14(mergedSources), type$.ModifiableCssMediaRule_2, type$.Null), $async$visitMediaRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMediaRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_visitMediaQueries$1(interpolation) {
  	      return this._visitMediaQueries$body$_EvaluateVisitor0(interpolation);
  	    },
  	    _visitMediaQueries$body$_EvaluateVisitor0(interpolation) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.List_CssMediaQuery_2),
  	        $async$returnValue, $async$self = this, _0_0, resolved, map;
  	      var $async$_async_evaluate0$_visitMediaQueries$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationWithMap$2$warnForColor(interpolation, true), $async$_async_evaluate0$_visitMediaQueries$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              resolved = _0_0._0;
  	              map = _0_0._1;
  	              $async$returnValue = new A.MediaQueryParser0(A.SpanScanner$(resolved, null), map).parse$0(0);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_visitMediaQueries$1, $async$completer);
  	    },
  	    _async_evaluate0$_mergeMediaQueries$2(queries1, queries2) {
  	      var t1, t2, t3, t4, _0_0, t5, result,
  	        queries = A._setArrayType([], type$.JSArray_CssMediaQuery_2);
  	      for (t1 = J.get$iterator$ax(queries1), t2 = J.getInterceptor$ax(queries2); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        for (t4 = t2.get$iterator(queries2); t4.moveNext$0();) {
  	          _0_0 = t3.merge$1(t4.get$current(t4));
  	          if (B._SingletonCssMediaQueryMergeResult_00 === _0_0)
  	            continue;
  	          if (B._SingletonCssMediaQueryMergeResult_10 === _0_0)
  	            return null;
  	          t5 = _0_0 instanceof A.MediaQuerySuccessfulMergeResult0;
  	          result = t5 ? _0_0 : null;
  	          if (t5)
  	            queries.push(result.query);
  	        }
  	      }
  	      return queries;
  	    },
  	    visitReturnRule$1(_, node) {
  	      return this.visitReturnRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitReturnRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1, t2;
  	      var $async$visitReturnRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.expression;
  	              t2 = t1.accept$1($async$self);
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value_2._is(t2) ? t2 : A._Future$value(t2, type$.Value_2), $async$visitReturnRule$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate0$_withoutSlash$2($async$result, t1);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitReturnRule$1, $async$completer);
  	    },
  	    visitSilentComment$1(_, node) {
  	      return this.visitSilentComment$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitSilentComment$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue;
  	      var $async$visitSilentComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSilentComment$1, $async$completer);
  	    },
  	    visitStyleRule$1(_, node) {
  	      return this.visitStyleRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitStyleRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, _0_0, selectorText, selectorMap, parsedSelector, _1_0, t2, t3, _i, _2_0, first, t4, rule, oldAtRootExcludingStyleRule;
  	      var $async$visitStyleRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Style_n, node.span));
  	              else if ($async$self._async_evaluate0$_inKeyframes && $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") instanceof A.ModifiableCssKeyframeBlock0)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Style_k, node.span));
  	              t1 = node.selector;
  	              t1.toString;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationWithMap$2$warnForColor(t1, true), $async$visitStyleRule$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              selectorText = _0_0._0;
  	              selectorMap = _0_0._1;
  	              $async$goto = $async$self._async_evaluate0$_inKeyframes ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$0(new A.CssValue0(A.List_List$unmodifiable(new A.KeyframeSelectorParser0(A.SpanScanner$(selectorText, null), selectorMap).parse$0(0), type$.String), t1.span, type$.CssValue_List_String_2), node.span), new A._EvaluateVisitor_visitStyleRule_closure11($async$self, node), node.hasDeclarations, new A._EvaluateVisitor_visitStyleRule_closure12(), type$.ModifiableCssKeyframeBlock_2, type$.Null), $async$visitStyleRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              parsedSelector = A.SelectorList_SelectorList$parse0(selectorText, true, selectorMap, $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss);
  	              _1_0 = $async$self._async_evaluate0$_atRootExcludingStyleRule ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $label0$0: {
  	                if (_1_0 == null) {
  	                  t1 = true;
  	                  break $label0$0;
  	                }
  	                if (_1_0.fromPlainCss) {
  	                  t1 = false;
  	                  break $label0$0;
  	                }
  	                t1 = !($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss && parsedSelector.accept$1(B.C__ContainsParentSelectorVisitor0));
  	                break $label0$0;
  	              }
  	              if (t1) {
  	                if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss)
  	                  for (t2 = parsedSelector.components, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	                    _2_0 = t2[_i].leadingCombinators;
  	                    if (_2_0.length >= 1) {
  	                      first = _2_0[0];
  	                      t4 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss;
  	                    } else {
  	                      first = null;
  	                      t4 = false;
  	                    }
  	                    if (t4)
  	                      throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Top_le, first.span));
  	                  }
  	                t2 = $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	                t2 = t2 == null ? null : t2.originalSelector;
  	                parsedSelector = parsedSelector.nestWithin$3$implicitParent$preserveParentSelectors(t2, !$async$self._async_evaluate0$_atRootExcludingStyleRule, $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss);
  	              }
  	              rule = A.ModifiableCssStyleRule$0($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__extensionStore, "_extensionStore").addSelector$2(parsedSelector, $async$self._async_evaluate0$_mediaQueries), node.span, $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss, parsedSelector);
  	              oldAtRootExcludingStyleRule = $async$self._async_evaluate0$_atRootExcludingStyleRule;
  	              t2 = $async$self._async_evaluate0$_atRootExcludingStyleRule = false;
  	              t1 = t1 ? new A._EvaluateVisitor_visitStyleRule_closure13() : null;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitStyleRule_closure14($async$self, rule, node), node.hasDeclarations, t1, type$.ModifiableCssStyleRule_2, type$.Null), $async$visitStyleRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$self._async_evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              $async$self._async_evaluate0$_warnForBogusCombinators$1(rule);
  	              if (($async$self._async_evaluate0$_atRootExcludingStyleRule ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot) == null) {
  	                t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").children;
  	                t1 = !t1.get$isEmpty(t1);
  	              } else
  	                t1 = t2;
  	              if (t1) {
  	                t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").children;
  	                t1.get$last(t1).isGroupEnd = true;
  	              }
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStyleRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_warnForBogusCombinators$1(rule) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, t8, t9, _this = this, _null = null;
  	      if (!rule.accept$1(B._IsInvisibleVisitor_false_false0))
  	        for (t1 = rule._style_rule0$_selector._box0$_inner.value.components, t2 = t1.length, t3 = type$.SourceSpan, t4 = type$.String, t5 = rule.children, _i = 0; _i < t2; ++_i) {
  	          complex = t1[_i];
  	          if (!complex.accept$1(B._IsBogusVisitor_true0))
  	            continue;
  	          if (complex.accept$1(B.C__IsUselessVisitor0)) {
  	            visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            _this._async_evaluate0$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0)) + string$.x22x20is_ix20, A.SpanExtensions_trimRight0(complex.span), B.Deprecation_2PR);
  	          } else if (complex.leadingCombinators.length !== 0) {
  	            if (!_this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__stylesheet, "_stylesheet").plainCss) {
  	              visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	              complex.accept$1(visitor);
  	              _this._async_evaluate0$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0)) + string$.x22x20is_ix0a, A.SpanExtensions_trimRight0(complex.span), B.Deprecation_2PR);
  	            }
  	          } else {
  	            visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            t6 = B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0));
  	            t7 = complex.accept$1(B._IsBogusVisitor_false0) ? string$.x20It_wi : "";
  	            t8 = A.SpanExtensions_trimRight0(complex.span);
  	            if (t5.get$length(0) === 0)
  	              A.throwExpression(A.IterableElementError_noElement());
  	            t9 = J.get$span$x(t5.$index(0, 0));
  	            _this._async_evaluate0$_warn$3('The selector "' + t6 + string$.x22x20is_o + t7 + string$.x0aThis_, new A.MultiSpan0(t8, "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t9, "this is not a style rule" + (t5.every$1(t5, new A._EvaluateVisitor__warnForBogusCombinators_closure2()) ? "\n(try converting to a //-style comment)" : "")], t3, t4), t3, t4)), B.Deprecation_2PR);
  	          }
  	        }
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return this.visitSupportsRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitSupportsRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, rule, $async$temp1, $async$temp2;
  	      var $async$visitSupportsRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Suppor, node.span));
  	              t1 = node.condition;
  	              $async$temp1 = A;
  	              $async$temp2 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitSupportsCondition$1(t1), $async$visitSupportsRule$1);
  	            case 3:
  	              // returning from await.
  	              rule = $async$temp1.ModifiableCssSupportsRule$0(new $async$temp2.CssValue0($async$result, t1.get$span(t1), type$.CssValue_String_2), node.span);
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitSupportsRule_closure8($async$self, node), node.hasDeclarations, type$.ModifiableCssSupportsRule_2, type$.Null), $async$visitSupportsRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitSupportsRule_closure9($async$self, node), node.hasDeclarations, new A._EvaluateVisitor_visitSupportsRule_closure10(), type$.ModifiableCssSupportsRule_2, type$.Null), $async$visitSupportsRule$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSupportsRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_visitSupportsCondition$1(condition) {
  	      return this._visitSupportsCondition$body$_EvaluateVisitor0(condition);
  	    },
  	    _visitSupportsCondition$body$_EvaluateVisitor0(condition) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, $async$temp1, $async$temp2;
  	      var $async$_async_evaluate0$_visitSupportsCondition$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = condition instanceof A.SupportsOperation0 ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              t1 = condition.operator;
  	              $async$temp1 = A;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_parenthesize$2(condition.left, t1), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 6:
  	              // returning from await.
  	              $async$temp1 = $async$temp1.S($async$result) + " " + t1.toString$0(0) + " ";
  	              $async$temp2 = A;
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_parenthesize$2(condition.right, t1), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$temp1 + $async$temp2.S($async$result);
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // join
  	              $async$goto = condition instanceof A.SupportsNegation0 ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_parenthesize$1(condition.condition), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 10:
  	              // returning from await.
  	              t1 = "not " + $async$temp1.S($async$result);
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 9:
  	              // join
  	              $async$goto = condition instanceof A.SupportsInterpolation0 ? 11 : 12;
  	              break;
  	            case 11:
  	              // then
  	              $async$goto = 13;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateToCss$2$quote(condition.expression, false), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 13:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 12:
  	              // join
  	              t1 = {};
  	              t1.declaration = null;
  	              $async$goto = condition instanceof A.SupportsDeclaration0 ? 14 : 15;
  	              break;
  	            case 14:
  	              // then
  	              t1.declaration = condition;
  	              $async$goto = 16;
  	              return A._asyncAwait($async$self._async_evaluate0$_withSupportsDeclaration$1$1(new A._EvaluateVisitor__visitSupportsCondition_closure2(t1, $async$self), type$.String), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 16:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 15:
  	              // join
  	              $async$goto = condition instanceof A.SupportsFunction0 ? 17 : 18;
  	              break;
  	            case 17:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 19;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(condition.name), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 19:
  	              // returning from await.
  	              $async$temp1 = $async$temp1.S($async$result) + "(";
  	              $async$temp2 = A;
  	              $async$goto = 20;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(condition.$arguments), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 20:
  	              // returning from await.
  	              t1 = $async$temp1 + $async$temp2.S($async$result) + ")";
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 18:
  	              // join
  	              $async$goto = condition instanceof A.SupportsAnything0 ? 21 : 22;
  	              break;
  	            case 21:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 23;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(condition.contents), $async$_async_evaluate0$_visitSupportsCondition$1);
  	            case 23:
  	              // returning from await.
  	              t1 = "(" + $async$temp1.S($async$result) + ")";
  	              // goto break $label0$0
  	              $async$goto = 3;
  	              break;
  	            case 22:
  	              // join
  	              t1 = A.throwExpression(A.ArgumentError$("Unknown supports condition type " + A.getRuntimeTypeOfDartObject(condition).toString$0(0) + ".", null));
  	            case 3:
  	              // break $label0$0
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_visitSupportsCondition$1, $async$completer);
  	    },
  	    _async_evaluate0$_withSupportsDeclaration$1$1(callback, $T) {
  	      return this._withSupportsDeclaration$body$_EvaluateVisitor0(callback, $T, $T);
  	    },
  	    _withSupportsDeclaration$body$_EvaluateVisitor0(callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, t1, oldInSupportsDeclaration;
  	      var $async$_async_evaluate0$_withSupportsDeclaration$1$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInSupportsDeclaration = $async$self._async_evaluate0$_inSupportsDeclaration;
  	              $async$self._async_evaluate0$_inSupportsDeclaration = true;
  	              $async$handler = 3;
  	              t1 = callback.call$0();
  	              $async$goto = 6;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_async_evaluate0$_withSupportsDeclaration$1$1);
  	            case 6:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              $async$next = [1];
  	              // goto finally
  	              $async$goto = 4;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [2];
  	            case 4:
  	              // finally
  	              $async$handler = 2;
  	              $async$self._async_evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 5:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withSupportsDeclaration$1$1, $async$completer);
  	    },
  	    _async_evaluate0$_parenthesize$2(condition, operator) {
  	      return this._parenthesize$body$_EvaluateVisitor0(condition, operator);
  	    },
  	    _async_evaluate0$_parenthesize$1(condition) {
  	      return this._async_evaluate0$_parenthesize$2(condition, null);
  	    },
  	    _parenthesize$body$_EvaluateVisitor0(condition, operator) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, $async$temp1;
  	      var $async$_async_evaluate0$_parenthesize$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (!(condition instanceof A.SupportsNegation0))
  	                if (condition instanceof A.SupportsOperation0)
  	                  t1 = operator == null || operator !== condition.operator;
  	                else
  	                  t1 = false;
  	              else
  	                t1 = true;
  	              $async$goto = t1 ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$temp1 = A;
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitSupportsCondition$1(condition), $async$_async_evaluate0$_parenthesize$2);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = "(" + $async$temp1.S($async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitSupportsCondition$1(condition), $async$_async_evaluate0$_parenthesize$2);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_parenthesize$2, $async$completer);
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      return this.visitVariableDeclaration$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitVariableDeclaration$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, value, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitVariableDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (node.isGuarded) {
  	                if (node.namespace == null && $async$self._async_evaluate0$_environment._async_environment0$_variables.length === 1) {
  	                  t1 = node.name;
  	                  $async$self._async_evaluate0$_environment._async_environment0$_configurableVariables.add$1(0, t1);
  	                  t2 = $async$self._async_evaluate0$_configuration._configuration0$_values;
  	                  _0_0 = t2.get$isEmpty(t2) ? null : t2.remove$1(0, t1);
  	                  t1 = {};
  	                  t1.override = null;
  	                  if (_0_0 != null) {
  	                    t1.override = _0_0;
  	                    t2 = !_0_0.value.$eq(0, B.C__SassNull0);
  	                  } else
  	                    t2 = false;
  	                  if (t2) {
  	                    $async$self._async_evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure8(t1, $async$self, node));
  	                    $async$returnValue = null;
  	                    // goto return
  	                    $async$goto = 1;
  	                    break;
  	                  }
  	                }
  	                value = $async$self._async_evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure9($async$self, node));
  	                if (value != null && !value.$eq(0, B.C__SassNull0)) {
  	                  $async$returnValue = null;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	              }
  	              if (node.isGlobal && !$async$self._async_evaluate0$_environment.globalVariableExists$1(node.name)) {
  	                t1 = $async$self._async_evaluate0$_environment._async_environment0$_variables.length === 1 ? string$.As_of_S : string$.As_of_R + A.declarationName0(node.span) + ": null` at the stylesheet root.";
  	                $async$self._async_evaluate0$_warn$3(t1, node.span, B.Deprecation_pwd);
  	              }
  	              t1 = node.expression;
  	              t2 = t1.accept$1($async$self);
  	              $async$temp1 = node;
  	              $async$temp2 = A;
  	              $async$temp3 = node;
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value_2._is(t2) ? t2 : A._Future$value(t2, type$.Value_2), $async$visitVariableDeclaration$1);
  	            case 3:
  	              // returning from await.
  	              $async$self._async_evaluate0$_addExceptionSpan$2($async$temp1, new $async$temp2._EvaluateVisitor_visitVariableDeclaration_closure10($async$self, $async$temp3, $async$self._async_evaluate0$_withoutSlash$2($async$result, t1)));
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitVariableDeclaration$1, $async$completer);
  	    },
  	    visitUseRule$1(_, node) {
  	      return this.visitUseRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitUseRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, values, t3, t4, _i, variable, t5, variableNodeWithSpan, t6, configuration, t1, t2, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitUseRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.configuration;
  	              t2 = t1.length;
  	              $async$goto = t2 !== 0 ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue_2);
  	              t3 = type$._Future_Value_2, t4 = type$.Future_Value_2, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              variable = t1[_i];
  	              t5 = variable.expression;
  	              variableNodeWithSpan = $async$self._async_evaluate0$_expressionNode$1(t5);
  	              t5 = t5.accept$1($async$self);
  	              if (!t4._is(t5)) {
  	                t6 = new A._Future($.Zone__current, t3);
  	                t6._state = 8;
  	                t6._resultOrListeners = t5;
  	                t5 = t6;
  	              }
  	              $async$temp1 = values;
  	              $async$temp2 = variable.name;
  	              $async$temp3 = A;
  	              $async$goto = 9;
  	              return A._asyncAwait(t5, $async$visitUseRule$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, new $async$temp3.ConfiguredValue0($async$self._async_evaluate0$_withoutSlash$2($async$result, variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	              configuration = new A.ExplicitConfiguration0(node, values, null);
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              configuration = B.Configuration_Map_empty_null0;
  	            case 4:
  	              // join
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_loadModule$5$configuration(node.url, "@use", node, new A._EvaluateVisitor_visitUseRule_closure2($async$self, node), configuration), $async$visitUseRule$1);
  	            case 10:
  	              // returning from await.
  	              $async$self._async_evaluate0$_assertConfigurationIsEmpty$1(configuration);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitUseRule$1, $async$completer);
  	    },
  	    visitWarnRule$1(_, node) {
  	      return this.visitWarnRule$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitWarnRule$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, value, t1, t2;
  	      var $async$visitWarnRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor_visitWarnRule_closure2($async$self, node), type$.Value_2), $async$visitWarnRule$1);
  	            case 3:
  	              // returning from await.
  	              value = $async$result;
  	              t1 = value instanceof A.SassString0 ? value._string0$_text : $async$self._async_evaluate0$_serialize$2(value, node.expression);
  	              t2 = $async$self._async_evaluate0$_stackTrace$1(node.span);
  	              $async$self._async_evaluate0$_logger.internalWarn$4$deprecation$span$trace(t1, null, null, t2);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitWarnRule$1, $async$completer);
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this._async_evaluate0$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitWhileRule_closure2(this, node), true, node.hasDeclarations, type$.nullable_Value_2);
  	    },
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, _this = this;
  	      if (_this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__stylesheet, "_stylesheet").plainCss) {
  	        t1 = node.operator;
  	        t1 = t1 !== B.BinaryOperator_g6F0 && t1 !== B.BinaryOperator_ehp0;
  	      } else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(_this._async_evaluate0$_exception$2("Operators aren't allowed in plain CSS.", node.get$operatorSpan()));
  	      return _this._async_evaluate0$_addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor_visitBinaryOperationExpression_closure2(_this, node), type$.Value_2);
  	    },
  	    _async_evaluate0$_slash$3(left, right, node) {
  	      var left0, _1_2,
  	        result = left.dividedBy$1(right),
  	        _1_2_isSet = left instanceof A.SassNumber0,
  	        right0 = null,
  	        t1 = false;
  	      if (_1_2_isSet) {
  	        if (right instanceof A.SassNumber0) {
  	          t1 = node.allowsSlash && this._async_evaluate0$_operandAllowsSlash$1(node.left) && this._async_evaluate0$_operandAllowsSlash$1(node.right);
  	          right0 = right;
  	        }
  	        left0 = left;
  	        _1_2 = right;
  	      } else {
  	        _1_2 = null;
  	        left0 = null;
  	      }
  	      if (t1)
  	        return type$.SassNumber_2._as(result).withSlash$2(left0, right0);
  	      if (left instanceof A.SassNumber0)
  	        t1 = (_1_2_isSet ? _1_2 : right) instanceof A.SassNumber0;
  	      else
  	        t1 = false;
  	      if (t1) {
  	        this._async_evaluate0$_warn$3(string$.Using__o + A.S(new A._EvaluateVisitor__slash_recommendation2().call$1(node)) + " or " + A.expressionToCalc0(node).toString$0(0) + string$.x0a_Morex20, node.get$span(0), B.Deprecation_v81);
  	        return result;
  	      }
  	      return result;
  	    },
  	    _async_evaluate0$_operandAllowsSlash$1(node) {
  	      var t1;
  	      if (node instanceof A.FunctionExpression0)
  	        if (node.namespace == null) {
  	          t1 = node.name;
  	          t1 = B.Set_Pr3yj.contains$1(0, t1.toLowerCase()) && this._async_evaluate0$_environment.getFunction$1(t1) == null;
  	        } else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return this.visitValueExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitValueExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue;
  	      var $async$visitValueExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitValueExpression$1, $async$completer);
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return this.visitVariableExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitVariableExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, result;
  	      var $async$visitVariableExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              result = $async$self._async_evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableExpression_closure2($async$self, node));
  	              if (result != null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              throw A.wrapException($async$self._async_evaluate0$_exception$2("Undefined variable.", node.span));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitVariableExpression$1, $async$completer);
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return this.visitUnaryOperationExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitUnaryOperationExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitUnaryOperationExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = node;
  	              $async$temp2 = A;
  	              $async$temp3 = node;
  	              $async$goto = 3;
  	              return A._asyncAwait(node.operand.accept$1($async$self), $async$visitUnaryOperationExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate0$_addExceptionSpan$2($async$temp1, new $async$temp2._EvaluateVisitor_visitUnaryOperationExpression_closure2($async$temp3, $async$result));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitUnaryOperationExpression$1, $async$completer);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return this.visitBooleanExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitBooleanExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassBoolean_2),
  	        $async$returnValue;
  	      var $async$visitBooleanExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitBooleanExpression$1, $async$completer);
  	    },
  	    visitIfExpression$1(_, node) {
  	      return this.visitIfExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, results, _i, t7, condition, expression, t8, result, _1_2, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$visitIfExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.branches, t2 = t1.length, t3 = type$._Future_nullable_Object, t4 = type$._Future_Value_2, t5 = type$.Future_Value_2, t6 = type$.JSArray_Record_2_String_and_Value_2, results = null, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t7 = t1[_i];
  	              condition = t7._0;
  	              expression = t7._1;
  	              t7 = condition == null ? null : condition.accept$1($async$self);
  	              if (!(t7 instanceof A._Future)) {
  	                t8 = new A._Future($.Zone__current, t3);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              if (result == null)
  	                result = true;
  	              t7 = typeof result == "string";
  	              condition = t7 ? result : null;
  	              $async$goto = t7 ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              if (results == null)
  	                results = A._setArrayType([], t6);
  	              t7 = expression.accept$1($async$self);
  	              if (!t5._is(t7)) {
  	                t8 = new A._Future($.Zone__current, t4);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$temp1 = results;
  	              $async$temp2 = A;
  	              $async$temp3 = condition;
  	              $async$goto = 9;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.push(new $async$temp2._Record_2($async$temp3, $async$result));
  	              // goto for update
  	              $async$goto = 4;
  	              break;
  	            case 8:
  	              // join
  	              _1_2 = true === result;
  	              $async$goto = _1_2 && results != null ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              t7 = expression.accept$1($async$self);
  	              if (!t5._is(t7)) {
  	                t8 = new A._Future($.Zone__current, t4);
  	                t8._state = 8;
  	                t8._resultOrListeners = t7;
  	                t7 = t8;
  	              }
  	              $async$temp1 = results;
  	              $async$temp2 = A;
  	              $async$goto = 12;
  	              return A._asyncAwait(t7, $async$visitIfExpression$1);
  	            case 12:
  	              // returning from await.
  	              $async$temp1.push(new $async$temp2._Record_2("else", $async$result));
  	              // goto for update
  	              $async$goto = 4;
  	              break;
  	            case 11:
  	              // join
  	              $async$goto = _1_2 ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              t1 = expression.accept$1($async$self);
  	              if (!t5._is(t1)) {
  	                t2 = new A._Future($.Zone__current, t4);
  	                t2._state = 8;
  	                t2._resultOrListeners = t1;
  	                t1 = t2;
  	              }
  	              $async$goto = 15;
  	              return A._asyncAwait(t1, $async$visitIfExpression$1);
  	            case 15:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 14:
  	              // join
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              if (results == null) {
  	                $async$returnValue = B.C__SassNull0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$returnValue = new A.SassString0("if(" + new A.MappedListIterable(results, new A._EvaluateVisitor_visitIfExpression_closure2(), A._arrayInstanceType(results)._eval$1("MappedListIterable<1,String>")).join$1(0, "; ") + ")", false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfExpression$1, $async$completer);
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return this.visitIfConditionParenthesized$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionParenthesized$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, _0_0;
  	      var $async$visitIfConditionParenthesized$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionParenthesized$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label0$0: {
  	                if (typeof _0_0 == "string") {
  	                  t1 = "(" + _0_0 + ")";
  	                  break $label0$0;
  	                }
  	                t1 = _0_0;
  	                break $label0$0;
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionParenthesized$1, $async$completer);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return this.visitIfConditionNegation$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionNegation$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, _0_0;
  	      var $async$visitIfConditionNegation$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionNegation$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label0$0: {
  	                if (typeof _0_0 == "string") {
  	                  t1 = "not " + _0_0;
  	                  break $label0$0;
  	                }
  	                if (A._isBool(_0_0)) {
  	                  t1 = !_0_0;
  	                  break $label0$0;
  	                }
  	                t1 = A.throwExpression(A.UnsupportedError$("unreachable"));
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionNegation$1, $async$completer);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      return this.visitIfConditionOperation$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionOperation$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, values, _i, expression, _0_0, t7, right, _1_6_isSet, _1_6, string;
  	      var $async$visitIfConditionOperation$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node.expressions, t2 = t1.length, t3 = node.op, t4 = t3 === B.BooleanOperator_00, t5 = t3 === B.BooleanOperator_10, t6 = type$.JSArray_Record_2_IfConditionExpression_and_String_2, values = null, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              expression = t1[_i];
  	              $async$goto = 6;
  	              return A._asyncAwait(expression.accept$1($async$self), $async$visitIfConditionOperation$1);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              t7 = typeof _0_0 == "string";
  	              right = t7 ? _0_0 : null;
  	              if (t7) {
  	                if (values == null)
  	                  values = A._setArrayType([], t6);
  	                values.push(new A._Record_2(expression, right));
  	                // goto for update
  	                $async$goto = 4;
  	                break;
  	              }
  	              if (false === _0_0 && t4) {
  	                $async$returnValue = false;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (true === _0_0 && t5) {
  	                $async$returnValue = true;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $label0$1: {
  	                if (values == null) {
  	                  t1 = t4;
  	                  break $label0$1;
  	                }
  	                _1_6_isSet = values.length === 1;
  	                if (_1_6_isSet) {
  	                  _1_6 = values[0];
  	                  t1 = _1_6._0 instanceof A.IfConditionParenthesized0;
  	                } else {
  	                  _1_6 = null;
  	                  t1 = false;
  	                }
  	                if (t1) {
  	                  string = (_1_6_isSet ? _1_6 : values[0])._1;
  	                  t1 = B.JSString_methods.substring$2(string, 1, string.length - 1);
  	                  break $label0$1;
  	                }
  	                t1 = new A.MappedListIterable(values, new A._EvaluateVisitor_visitIfConditionOperation_closure2(), A._arrayInstanceType(values)._eval$1("MappedListIterable<1,String>")).join$1(0, " " + t3.toString$0(0) + " ");
  	                break $label0$1;
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionOperation$1, $async$completer);
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return this.visitIfConditionFunction$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionFunction$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, $async$temp1, $async$temp2;
  	      var $async$visitIfConditionFunction$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = B.JSString_methods;
  	              $async$temp2 = J;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(node.name), $async$visitIfConditionFunction$1);
  	            case 3:
  	              // returning from await.
  	              $async$temp2 = $async$temp2.$add$ansx($async$result, "(");
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(node.$arguments), $async$visitIfConditionFunction$1);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.$add($async$temp2, $async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionFunction$1, $async$completer);
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return this.visitIfConditionSass$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionSass$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this;
  	      var $async$visitIfConditionSass$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(node.expression.accept$1($async$self), $async$visitIfConditionSass$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.get$isTruthy();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionSass$1, $async$completer);
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return this.visitIfConditionRaw$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitIfConditionRaw$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this;
  	      var $async$visitIfConditionRaw$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(node.text), $async$visitIfConditionRaw$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitIfConditionRaw$1, $async$completer);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return this.visitLegacyIfExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitLegacyIfExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, condition, t1, ifTrue, ifFalse, result, _0_0, positional, named;
  	      var $async$visitLegacyIfExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateMacroArguments$1(node), $async$visitLegacyIfExpression$1);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              positional = _0_0._0;
  	              named = _0_0._1;
  	              $async$self._async_evaluate0$_verifyArguments$4(J.get$length$asx(positional), named, $.$get$LegacyIfExpression_declaration0(), node);
  	              condition = A.ListExtensions_elementAtOrNull(positional, 0);
  	              if (condition == null) {
  	                t1 = named.$index(0, "condition");
  	                t1.toString;
  	                condition = t1;
  	              }
  	              ifTrue = A.ListExtensions_elementAtOrNull(positional, 1);
  	              if (ifTrue == null) {
  	                t1 = named.$index(0, "if-true");
  	                t1.toString;
  	                ifTrue = t1;
  	              }
  	              ifFalse = A.ListExtensions_elementAtOrNull(positional, 2);
  	              if (ifFalse == null) {
  	                t1 = named.$index(0, "if-false");
  	                t1.toString;
  	                ifFalse = t1;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(condition.accept$1($async$self), $async$visitLegacyIfExpression$1);
  	            case 4:
  	              // returning from await.
  	              result = $async$result.get$isTruthy() ? ifTrue : ifFalse;
  	              t1 = result.accept$1($async$self);
  	              $async$goto = 5;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$visitLegacyIfExpression$1);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate0$_withoutSlash$2($async$result, $async$self._async_evaluate0$_expressionNode$1(result));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitLegacyIfExpression$1, $async$completer);
  	    },
  	    visitNullExpression$1(_, node) {
  	      return this.visitNullExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitNullExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue;
  	      var $async$visitNullExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = B.C__SassNull0;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitNullExpression$1, $async$completer);
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return this.visitNumberExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitNumberExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber_2),
  	        $async$returnValue;
  	      var $async$visitNumberExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = A.SassNumber_SassNumber0(node.value, node.unit);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitNumberExpression$1, $async$completer);
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      var _this = this;
  	      return _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__stylesheet, "_stylesheet").plainCss ? A.throwExpression(_this._async_evaluate0$_exception$2("Parentheses aren't allowed in plain CSS.", node.span)) : node.expression.accept$1(_this);
  	    },
  	    visitColorExpression$1(_, node) {
  	      return this.visitColorExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitColorExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassColor_2),
  	        $async$returnValue;
  	      var $async$visitColorExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = node.value;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitColorExpression$1, $async$completer);
  	    },
  	    visitListExpression$1(_, node) {
  	      return this.visitListExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitListExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassList_2),
  	        $async$returnValue, $async$self = this, $async$temp1;
  	      var $async$visitListExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait(A.mapAsync0(node.contents, new A._EvaluateVisitor_visitListExpression_closure2($async$self), type$.Expression_2, type$.Value_2), $async$visitListExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.SassList$0($async$result, node.separator, node.hasBrackets);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitListExpression$1, $async$completer);
  	    },
  	    visitMapExpression$1(_, node) {
  	      return this.visitMapExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitMapExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassMap_2),
  	        $async$returnValue, $async$self = this, t2, t3, _i, t4, key, keyValue, valueValue, oldValueSpan, t1, map, keyNodes;
  	      var $async$visitMapExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = type$.Value_2;
  	              map = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	              keyNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode_2);
  	              t2 = node.pairs, t3 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t4 = t2[_i];
  	              key = t4._0;
  	              $async$goto = 6;
  	              return A._asyncAwait(key.accept$1($async$self), $async$visitMapExpression$1);
  	            case 6:
  	              // returning from await.
  	              keyValue = $async$result;
  	              $async$goto = 7;
  	              return A._asyncAwait(t4._1.accept$1($async$self), $async$visitMapExpression$1);
  	            case 7:
  	              // returning from await.
  	              valueValue = $async$result;
  	              if (map.containsKey$1(keyValue)) {
  	                t1 = keyNodes.$index(0, keyValue);
  	                oldValueSpan = t1 == null ? null : t1.get$span(t1);
  	                t1 = key.get$span(key);
  	                t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	                if (oldValueSpan != null)
  	                  t2.$indexSet(0, oldValueSpan, "first key");
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$0("Duplicate key.", t1, "second key", t2, $async$self._async_evaluate0$_stackTrace$1(key.get$span(key)), null));
  	              }
  	              map.$indexSet(0, keyValue, valueValue);
  	              keyNodes.$indexSet(0, keyValue, key);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = new A.SassMap0(A.ConstantMap_ConstantMap$from(map, t1, t1));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitMapExpression$1, $async$completer);
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return this.visitFunctionExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitFunctionExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t2, _0_0, t3, t4, $name, oldInFunction, result, t1, $function;
  	      var $async$visitFunctionExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              $function = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss ? null : $async$self._async_evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure8($async$self, node));
  	              t1.$function = $function;
  	              $async$goto = $function == null || B.JSString_methods.startsWith$1(node.originalName, "--") ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              if (node.namespace != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2("Undefined function.", node.span));
  	              t2 = node.name;
  	              _0_0 = t2.toLowerCase();
  	              t3 = false;
  	              if ("min" === _0_0 || "max" === _0_0 || "round" === _0_0 || "abs" === _0_0) {
  	                t3 = node.$arguments;
  	                t4 = t3.named;
  	                t3 = t4.get$isEmpty(t4) && t3.rest == null && B.JSArray_methods.every$1(t3.positional, new A._EvaluateVisitor_visitFunctionExpression_closure9());
  	                $name = _0_0;
  	              } else
  	                $name = null;
  	              $async$goto = t3 ? 5 : 6;
  	              break;
  	            case 5:
  	              // then
  	              $async$goto = 7;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitCalculation$2$inLegacySassFunction(node, $name), $async$visitFunctionExpression$1);
  	            case 7:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 6:
  	              // join
  	              $async$goto = "calc" === _0_0 || "clamp" === _0_0 || "hypot" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "sqrt" === _0_0 || "exp" === _0_0 || "sign" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "atan2" === _0_0 || "pow" === _0_0 || "log" === _0_0 || "calc-size" === _0_0 ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitCalculation$1(node), $async$visitFunctionExpression$1);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 9:
  	              // join
  	              $function = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__stylesheet, "_stylesheet").plainCss ? null : $async$self._async_evaluate0$_builtInFunctions.$index(0, t2);
  	              t1.$function = $function == null ? new A.PlainCssCallable0(node.originalName) : $function;
  	            case 4:
  	              // join
  	              oldInFunction = $async$self._async_evaluate0$_inFunction;
  	              $async$self._async_evaluate0$_inFunction = true;
  	              $async$goto = 11;
  	              return A._asyncAwait($async$self._async_evaluate0$_addErrorSpan$1$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure10(t1, $async$self, node), type$.Value_2), $async$visitFunctionExpression$1);
  	            case 11:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_inFunction = oldInFunction;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitFunctionExpression$1, $async$completer);
  	    },
  	    _async_evaluate0$_visitCalculation$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      return this._visitCalculation$body$_EvaluateVisitor0(node, inLegacySassFunction);
  	    },
  	    _async_evaluate0$_visitCalculation$1(node) {
  	      return this._async_evaluate0$_visitCalculation$2$inLegacySassFunction(node, null);
  	    },
  	    _visitCalculation$body$_EvaluateVisitor0(node, inLegacySassFunction) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, $arguments, oldCallableNode, t1, _0_0, error, stackTrace, t4, _i, t2, t3, $async$temp1;
  	      var $async$_async_evaluate0$_visitCalculation$2$inLegacySassFunction = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t2 = node.$arguments;
  	              t3 = t2.named;
  	              if (t3.get$isNotEmpty(t3))
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Keywor, node.span));
  	              else if (t2.rest != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Rest_a, node.span));
  	              $async$self._async_evaluate0$_checkCalculationArguments$1(node);
  	              t3 = A._setArrayType([], type$.JSArray_Object);
  	              t2 = t2.positional, t4 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t4)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$temp1 = t3;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction), $async$_async_evaluate0$_visitCalculation$2$inLegacySassFunction);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $arguments = t3;
  	              if ($async$self._async_evaluate0$_inSupportsDeclaration) {
  	                $async$returnValue = new A.SassCalculation0(node.name, A.List_List$unmodifiable($arguments, type$.Object));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              oldCallableNode = $async$self._async_evaluate0$_callableNode;
  	              $async$self._async_evaluate0$_callableNode = node;
  	              try {
  	                t1 = null;
  	                t3 = node.name;
  	                _0_0 = t3.toLowerCase();
  	                $label0$0: {
  	                  if ("calc" === _0_0) {
  	                    t1 = A.SassCalculation_calc0(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("sqrt" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("sqrt", J.$index$asx($arguments, 0), A.number2__sqrt$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("sin" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("sin", J.$index$asx($arguments, 0), A.number2__sin$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("cos" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("cos", J.$index$asx($arguments, 0), A.number2__cos$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("tan" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("tan", J.$index$asx($arguments, 0), A.number2__tan$closure(), false);
  	                    break $label0$0;
  	                  }
  	                  if ("asin" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("asin", J.$index$asx($arguments, 0), A.number2__asin$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("acos" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("acos", J.$index$asx($arguments, 0), A.number2__acos$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("atan" === _0_0) {
  	                    t1 = A.SassCalculation__singleArgument0("atan", J.$index$asx($arguments, 0), A.number2__atan$closure(), true);
  	                    break $label0$0;
  	                  }
  	                  if ("abs" === _0_0) {
  	                    t1 = A.SassCalculation_abs0(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("exp" === _0_0) {
  	                    t1 = A.SassCalculation_exp0(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("sign" === _0_0) {
  	                    t1 = A.SassCalculation_sign0(J.$index$asx($arguments, 0));
  	                    break $label0$0;
  	                  }
  	                  if ("min" === _0_0) {
  	                    t1 = A.SassCalculation_min0($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("max" === _0_0) {
  	                    t1 = A.SassCalculation_max0($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("hypot" === _0_0) {
  	                    t1 = A.SassCalculation_hypot0($arguments);
  	                    break $label0$0;
  	                  }
  	                  if ("pow" === _0_0) {
  	                    t1 = A.SassCalculation_pow0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("atan2" === _0_0) {
  	                    t1 = A.SassCalculation_atan20(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("log" === _0_0) {
  	                    t1 = A.SassCalculation_log0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("mod" === _0_0) {
  	                    t1 = A.SassCalculation_mod0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("rem" === _0_0) {
  	                    t1 = A.SassCalculation_rem0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  if ("round" === _0_0) {
  	                    t1 = A.SassCalculation_roundInternal0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2), inLegacySassFunction, node.span, new A._EvaluateVisitor__visitCalculation_closure2($async$self, node));
  	                    break $label0$0;
  	                  }
  	                  if ("clamp" === _0_0) {
  	                    t1 = A.SassCalculation_clamp0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2));
  	                    break $label0$0;
  	                  }
  	                  if ("calc-size" === _0_0) {
  	                    t1 = A.SassCalculation_calcSize0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	                    break $label0$0;
  	                  }
  	                  t3 = A.UnsupportedError$('Unknown calculation name "' + t3 + '".');
  	                  t1 = A.throwExpression(t3);
  	                }
  	                t1 = t1;
  	                $async$returnValue = t1;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } catch (exception) {
  	                t1 = A.unwrapException(exception);
  	                if (t1 instanceof A.SassScriptException0) {
  	                  error = t1;
  	                  stackTrace = A.getTraceFromException(exception);
  	                  if (B.JSString_methods.contains$1(error.message, "compatible"))
  	                    $async$self._async_evaluate0$_verifyCompatibleNumbers$2($arguments, t2);
  	                  A.throwWithTrace0($async$self._async_evaluate0$_exception$2(error.message, node.span), error, stackTrace);
  	                } else
  	                  throw exception;
  	              } finally {
  	                $async$self._async_evaluate0$_callableNode = oldCallableNode;
  	              }
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_visitCalculation$2$inLegacySassFunction, $async$completer);
  	    },
  	    _async_evaluate0$_checkCalculationArguments$1(node) {
  	      var t1, _0_0,
  	        check = new A._EvaluateVisitor__checkCalculationArguments_check2(this, node);
  	      $label0$0: {
  	        t1 = node.name;
  	        _0_0 = t1.toLowerCase();
  	        if ("calc" === _0_0 || "sqrt" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "abs" === _0_0 || "exp" === _0_0 || "sign" === _0_0) {
  	          check.call$1(1);
  	          break $label0$0;
  	        }
  	        if ("min" === _0_0 || "max" === _0_0 || "hypot" === _0_0) {
  	          check.call$0();
  	          break $label0$0;
  	        }
  	        if ("pow" === _0_0 || "atan2" === _0_0 || "log" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "calc-size" === _0_0) {
  	          check.call$1(2);
  	          break $label0$0;
  	        }
  	        if ("round" === _0_0 || "clamp" === _0_0) {
  	          check.call$1(3);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$('Unknown calculation name "' + t1 + '".'));
  	      }
  	    },
  	    _async_evaluate0$_verifyCompatibleNumbers$2(args, nodesWithSpans) {
  	      var i, t1, _0_0, arg, t2, number1, j, number2, t3, t4, t5, t6;
  	      for (i = 0; t1 = args.length, i < t1; ++i) {
  	        _0_0 = args[i];
  	        if (_0_0 instanceof A.SassNumber0) {
  	          t1 = _0_0.get$hasComplexUnits();
  	          arg = _0_0;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.S(arg);
  	          t2 = nodesWithSpans[i];
  	          throw A.wrapException(this._async_evaluate0$_exception$2("Number " + t1 + " isn't compatible with CSS calculations.", t2.get$span(t2)));
  	        }
  	      }
  	      for (i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber0))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber0))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          t1 = number1.toString$0(0);
  	          t2 = number2.toString$0(0);
  	          t3 = nodesWithSpans[i];
  	          t3 = t3.get$span(t3);
  	          t4 = number1.toString$0(0);
  	          t5 = nodesWithSpans[j];
  	          t5 = A.LinkedHashMap_LinkedHashMap$_literal([t5.get$span(t5), number2.toString$0(0)], type$.FileSpan, type$.String);
  	          t6 = nodesWithSpans[i];
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$0(t1 + " and " + t2 + " are incompatible.", t3, t4, t5, this._async_evaluate0$_stackTrace$1(t6.get$span(t6)), null));
  	        }
  	      }
  	    },
  	    _async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      return this._visitCalculationExpression$body$_EvaluateVisitor0(node, inLegacySassFunction);
  	    },
  	    _visitCalculationExpression$body$_EvaluateVisitor0(node, inLegacySassFunction) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, result, t2, _0_0, _box_0, _1_0, t3, _i, i, t1, inner, $async$temp1;
  	      var $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = node instanceof A.ParenthesizedExpression0;
  	              inner = t1 ? node.expression : null;
  	              $async$goto = t1 ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(inner, inLegacySassFunction), $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	              $async$returnValue = result instanceof A.SassString0 ? new A.SassString0("(" + result._string0$_text + ")", false) : result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = node instanceof A.StringExpression0 && node.accept$1(B.C_IsCalculationSafeVisitor0) ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              t1 = node.text;
  	              t2 = t1.get$asPlain();
  	              _0_0 = t2 == null ? null : t2.toLowerCase();
  	              if ("pi" === _0_0) {
  	                t1 = A.SassNumber_SassNumber0(3.141592653589793, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("e" === _0_0) {
  	                t1 = A.SassNumber_SassNumber0(2.718281828459045, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("infinity" === _0_0) {
  	                t1 = A.SassNumber_SassNumber0(1 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("-infinity" === _0_0) {
  	                t1 = A.SassNumber_SassNumber0(-1 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              if ("nan" === _0_0) {
  	                t1 = A.SassNumber_SassNumber0(0 / 0, null);
  	                // goto break $label0$0
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$temp1 = A;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(t1), $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 9:
  	              // returning from await.
  	              t1 = new $async$temp1.SassString0($async$result, false);
  	              // goto break $label0$0
  	              $async$goto = 8;
  	              break;
  	            case 8:
  	              // break $label0$0
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 7:
  	              // join
  	              _box_0 = {};
  	              _box_0.right = _box_0.left = _box_0.operator = null;
  	              t1 = node instanceof A.BinaryOperationExpression0;
  	              if (t1) {
  	                _box_0.operator = node.operator;
  	                _box_0.left = node.left;
  	                _box_0.right = node.right;
  	              }
  	              $async$goto = t1 ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              $async$self._async_evaluate0$_checkWhitespaceAroundCalculationOperator$1(node);
  	              $async$goto = 12;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(node, new A._EvaluateVisitor__visitCalculationExpression_closure2(_box_0, $async$self, node, inLegacySassFunction), type$.Object), $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 12:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 11:
  	              // join
  	              $async$goto = node instanceof A.NumberExpression0 || node instanceof A.VariableExpression0 || node instanceof A.FunctionExpression0 || node instanceof A.LegacyIfExpression0 ? 13 : 14;
  	              break;
  	            case 13:
  	              // then
  	              $async$goto = 15;
  	              return A._asyncAwait(node.accept$1($async$self), $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 15:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              $label1$1: {
  	                if (_1_0 instanceof A.SassNumber0) {
  	                  t1 = _1_0;
  	                  break $label1$1;
  	                }
  	                if (_1_0 instanceof A.SassCalculation0) {
  	                  t1 = _1_0;
  	                  break $label1$1;
  	                }
  	                if (_1_0 instanceof A.SassString0) {
  	                  t1 = !_1_0._string0$_hasQuotes;
  	                  result = _1_0;
  	                } else {
  	                  result = null;
  	                  t1 = false;
  	                }
  	                if (t1) {
  	                  t1 = result;
  	                  break $label1$1;
  	                }
  	                t1 = A.throwExpression($async$self._async_evaluate0$_exception$2("Value " + _1_0.toString$0(0) + " can't be used in a calculation.", node.get$span(node)));
  	              }
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 14:
  	              // join
  	              $async$goto = node instanceof A.ListExpression0 && !node.hasBrackets && B.ListSeparator_SrV0 === node.separator && node.contents.length >= 2 ? 16 : 17;
  	              break;
  	            case 16:
  	              // then
  	              t1 = A._setArrayType([], type$.JSArray_Object);
  	              t2 = node.contents, t3 = t2.length, _i = 0;
  	            case 18:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 20;
  	                break;
  	              }
  	              $async$temp1 = t1;
  	              $async$goto = 21;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction), $async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction);
  	            case 21:
  	              // returning from await.
  	              $async$temp1.push($async$result);
  	            case 19:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 18;
  	              break;
  	            case 20:
  	              // after for
  	              $async$self._async_evaluate0$_checkAdjacentCalculationValues$2(t1, node);
  	              for (i = 0; i < t1.length; ++i) {
  	                t3 = t1[i];
  	                if (t3 instanceof A.CalculationOperation0 && t2[i] instanceof A.ParenthesizedExpression0)
  	                  t1[i] = new A.SassString0("(" + t3.toString$0(0) + ")", false);
  	              }
  	              $async$returnValue = new A.SassString0(B.JSArray_methods.join$1(t1, " "), false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 17:
  	              // join
  	              throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.This_e, node.get$span(node)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction, $async$completer);
  	    },
  	    _async_evaluate0$_checkWhitespaceAroundCalculationOperator$1(node) {
  	      var t2, t3, t4, textBetweenOperands, first, last,
  	        t1 = node.operator;
  	      if (t1 !== B.BinaryOperator_jCK0 && t1 !== B.BinaryOperator_tDf0)
  	        return;
  	      t1 = node.left;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = node.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 !== t4.get$file(t4))
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$end(t2);
  	      t4 = t3.get$span(t3);
  	      if (t2.offset >= t4.get$start(t4).offset)
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t1 = t1.get$span(t1);
  	      t1 = t1.get$end(t1);
  	      t3 = t3.get$span(t3);
  	      textBetweenOperands = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2._decodedChars, t1.offset, t3.get$start(t3).offset), 0, null);
  	      first = textBetweenOperands.charCodeAt(0);
  	      last = textBetweenOperands.charCodeAt(textBetweenOperands.length - 1);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47)
  	        t1 = !(last === 32 || last === 9 || last === 10 || last === 13 || last === 12 || last === 47);
  	      else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(this._async_evaluate0$_exception$2(string$.x22x2b__an, node.get$operatorSpan()));
  	    },
  	    _async_evaluate0$_binaryOperatorToCalculationOperator$2(operator, node) {
  	      var t1;
  	      $label0$0: {
  	        if (B.BinaryOperator_jCK0 === operator) {
  	          t1 = B.CalculationOperator_dpX0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_tDf0 === operator) {
  	          t1 = B.CalculationOperator_KrC0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_wkM0 === operator) {
  	          t1 = B.CalculationOperator_LPB0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_ehp0 === operator) {
  	          t1 = B.CalculationOperator_wFL0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(this._async_evaluate0$_exception$2(string$.This_o, node.get$operatorSpan()));
  	      }
  	      return t1;
  	    },
  	    _async_evaluate0$_checkAdjacentCalculationValues$2(elements, node) {
  	      var t1, i, t2, previous, current, previousNode, currentNode, _0_2;
  	      for (t1 = elements.length, i = 1; i < t1; ++i) {
  	        t2 = i - 1;
  	        previous = elements[t2];
  	        current = elements[i];
  	        if (previous instanceof A.SassString0 || current instanceof A.SassString0)
  	          continue;
  	        t1 = node.contents;
  	        previousNode = t1[t2];
  	        currentNode = t1[i];
  	        if (currentNode instanceof A.UnaryOperationExpression0) {
  	          _0_2 = currentNode.operator;
  	          if (B.UnaryOperator_hCO0 !== _0_2)
  	            t1 = B.UnaryOperator_n2K0 === _0_2;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (!t1)
  	          t1 = currentNode instanceof A.NumberExpression0 && currentNode.value < 0;
  	        else
  	          t1 = true;
  	        if (t1)
  	          throw A.wrapException(this._async_evaluate0$_exception$2(string$.x22x2b__an, A.FileSpanExtension_subspan(currentNode.get$span(currentNode), 0, 1)));
  	        else
  	          throw A.wrapException(this._async_evaluate0$_exception$2("Missing math operator.", previousNode.get$span(previousNode).expand$1(0, currentNode.get$span(currentNode))));
  	      }
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return this.visitInterpolatedFunctionExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitInterpolatedFunctionExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, result, t1, oldInFunction;
  	      var $async$visitInterpolatedFunctionExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$1(node.name), $async$visitInterpolatedFunctionExpression$1);
  	            case 3:
  	              // returning from await.
  	              t1 = $async$result;
  	              oldInFunction = $async$self._async_evaluate0$_inFunction;
  	              $async$self._async_evaluate0$_inFunction = true;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate0$_addErrorSpan$1$2(node, new A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure2($async$self, node, new A.PlainCssCallable0(t1)), type$.Value_2), $async$visitInterpolatedFunctionExpression$1);
  	            case 4:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_inFunction = oldInFunction;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitInterpolatedFunctionExpression$1, $async$completer);
  	    },
  	    _async_evaluate0$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, run, $V) {
  	      return this._runUserDefinedCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan, run, $V, $V);
  	    },
  	    _runUserDefinedCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan, run, $V, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldInDependency, result, evaluated, $name;
  	      var $async$_async_evaluate0$_runUserDefinedCallable$1$4 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateArguments$1($arguments), $async$_async_evaluate0$_runUserDefinedCallable$1$4);
  	            case 3:
  	              // returning from await.
  	              evaluated = $async$result;
  	              $name = callable.declaration.name;
  	              if ($name !== "@content")
  	                $name += "()";
  	              oldInDependency = $async$self._async_evaluate0$_inDependency;
  	              $async$self._async_evaluate0$_inDependency = callable.inDependency;
  	              $async$goto = 4;
  	              return A._asyncAwait($async$self._async_evaluate0$_withStackFrame$1$3($name, nodeWithSpan, new A._EvaluateVisitor__runUserDefinedCallable_closure2($async$self, callable, evaluated, nodeWithSpan, run, $V), $V), $async$_async_evaluate0$_runUserDefinedCallable$1$4);
  	            case 4:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_inDependency = oldInDependency;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_runUserDefinedCallable$1$4, $async$completer);
  	    },
  	    _async_evaluate0$_runFunctionCallable$3($arguments, callable, nodeWithSpan) {
  	      return this._runFunctionCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan);
  	    },
  	    _runFunctionCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, buffer, first, argument, restArg, rest, error, t1, t2, _i, t3, t4, $async$exception, $async$temp1;
  	      var $async$_async_evaluate0$_runFunctionCallable$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = type$.AsyncBuiltInCallable_2._is(callable) ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_runBuiltInCallable$3($arguments, callable, nodeWithSpan), $async$_async_evaluate0$_runFunctionCallable$3);
  	            case 6:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate0$_withoutSlash$2($async$result, nodeWithSpan);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // else
  	              $async$goto = type$.UserDefinedCallable_AsyncEnvironment_2._is(callable) ? 7 : 9;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_evaluate0$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, new A._EvaluateVisitor__runFunctionCallable_closure2($async$self, callable), type$.Value_2), $async$_async_evaluate0$_runFunctionCallable$3);
  	            case 10:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 9:
  	              // else
  	              $async$goto = callable instanceof A.PlainCssCallable0 ? 11 : 13;
  	              break;
  	            case 11:
  	              // then
  	              t1 = $arguments.named;
  	              if (t1.get$isNotEmpty(t1) || $arguments.keywordRest != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Plain_, nodeWithSpan.get$span(nodeWithSpan)));
  	              buffer = new A.StringBuffer(callable.name + "(");
  	              $async$handler = 15;
  	              first = true;
  	              t1 = $arguments.positional, t2 = t1.length, _i = 0;
  	            case 18:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 20;
  	                break;
  	              }
  	              argument = t1[_i];
  	              if (first)
  	                first = false;
  	              else
  	                buffer._contents += ", ";
  	              t3 = buffer;
  	              $async$temp1 = A;
  	              $async$goto = 21;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateToCss$1(argument), $async$_async_evaluate0$_runFunctionCallable$3);
  	            case 21:
  	              // returning from await.
  	              t4 = $async$temp1.S($async$result);
  	              t3._contents += t4;
  	            case 19:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 18;
  	              break;
  	            case 20:
  	              // after for
  	              restArg = $arguments.rest;
  	              $async$goto = restArg != null ? 22 : 23;
  	              break;
  	            case 22:
  	              // then
  	              $async$goto = 24;
  	              return A._asyncAwait(restArg.accept$1($async$self), $async$_async_evaluate0$_runFunctionCallable$3);
  	            case 24:
  	              // returning from await.
  	              rest = $async$result;
  	              if (!first)
  	                buffer._contents += ", ";
  	              t1 = buffer;
  	              t2 = $async$self._async_evaluate0$_serialize$2(rest, restArg);
  	              t1._contents += t2;
  	            case 23:
  	              // join
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 17;
  	              break;
  	            case 15:
  	              // catch
  	              $async$handler = 14;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException_2._is(t1)) {
  	                error = t1;
  	                if (!B.JSString_methods.endsWith$1(error._span_exception$_message, "isn't a valid CSS value."))
  	                  throw $async$exception;
  	                throw A.wrapException(A.MultiSpanSassRuntimeException$0(error._span_exception$_message, J.get$span$x(error), "value", A.LinkedHashMap_LinkedHashMap$_literal([nodeWithSpan.get$span(nodeWithSpan), "unknown function treated as plain CSS"], type$.FileSpan, type$.String), J.get$trace$z(error), null));
  	              } else
  	                throw $async$exception;
  	            case 14:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 17:
  	              // after finally
  	              t1 = buffer;
  	              t2 = A.Primitives_stringFromCharCode(41);
  	              t1._contents += t2;
  	              t2 = buffer._contents;
  	              $async$returnValue = new A.SassString0(t2.charCodeAt(0) == 0 ? t2 : t2, false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 13:
  	              // else
  	              throw A.wrapException(A.ArgumentError$("Unknown callable type " + J.get$runtimeType$(callable).toString$0(0) + ".", null));
  	            case 12:
  	              // join
  	            case 8:
  	              // join
  	            case 4:
  	              // join
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_runFunctionCallable$3, $async$completer);
  	    },
  	    _async_evaluate0$_runBuiltInCallable$3($arguments, callable, nodeWithSpan) {
  	      return this._runBuiltInCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan);
  	    },
  	    _runBuiltInCallable$body$_EvaluateVisitor0($arguments, callable, nodeWithSpan) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, result, error, stackTrace, namedSet, _0_0, parameters, i, t1, t2, t3, parameter, t4, t5, t6, t7, rest, argumentList, _box_0, evaluated, oldCallableNode, $async$exception;
  	      var $async$_async_evaluate0$_runBuiltInCallable$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _box_0 = {};
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_evaluateArguments$1($arguments), $async$_async_evaluate0$_runBuiltInCallable$3);
  	            case 3:
  	              // returning from await.
  	              evaluated = $async$result;
  	              oldCallableNode = $async$self._async_evaluate0$_callableNode;
  	              $async$self._async_evaluate0$_callableNode = nodeWithSpan;
  	              namedSet = new A.MapKeySet(evaluated._values[0], type$.MapKeySet_String);
  	              _box_0.callback = _box_0.overload = null;
  	              _0_0 = callable.callbackFor$2(J.get$length$asx(evaluated._values[2]), namedSet);
  	              _box_0.overload = _0_0._0;
  	              _box_0.callback = _0_0._1;
  	              $async$self._async_evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure8(_box_0, evaluated, namedSet));
  	              parameters = _box_0.overload.parameters;
  	              i = J.get$length$asx(evaluated._values[2]), t1 = parameters.length, t2 = type$._Future_Value_2, t3 = type$.Future_Value_2;
  	            case 4:
  	              // for condition
  	              if (!(i < t1)) {
  	                // goto after for
  	                $async$goto = 6;
  	                break;
  	              }
  	              parameter = parameters[i];
  	              t4 = evaluated._values[2];
  	              t5 = evaluated._values[0].remove$1(0, parameter.name);
  	              $async$goto = t5 == null ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              t5 = parameter.defaultValue;
  	              t6 = t5.accept$1($async$self);
  	              if (!t3._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t2);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t6, $async$_async_evaluate0$_runBuiltInCallable$3);
  	            case 9:
  	              // returning from await.
  	              t5 = $async$self._async_evaluate0$_withoutSlash$2($async$result, t5);
  	            case 8:
  	              // join
  	              J.add$1$ax(t4, t5);
  	            case 5:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 4;
  	              break;
  	            case 6:
  	              // after for
  	              if (_box_0.overload.restParameter != null) {
  	                if (J.get$length$asx(evaluated._values[2]) > t1) {
  	                  rest = J.sublist$1$ax(evaluated._values[2], t1);
  	                  J.removeRange$2$ax(evaluated._values[2], t1, J.get$length$asx(evaluated._values[2]));
  	                } else
  	                  rest = B.List_empty23;
  	                t1 = evaluated._values[0];
  	                argumentList = A.SassArgumentList$0(rest, t1, evaluated._values[4] === B.ListSeparator_undecided_null_3_undecided0 ? B.ListSeparator_z0K0 : evaluated._values[4]);
  	                J.add$1$ax(evaluated._values[2], argumentList);
  	              } else
  	                argumentList = null;
  	              result = null;
  	              $async$handler = 11;
  	              $async$goto = 14;
  	              return A._asyncAwait($async$self._async_evaluate0$_addExceptionSpanAsync$1$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure9(_box_0, evaluated), type$.Value_2), $async$_async_evaluate0$_runBuiltInCallable$3);
  	            case 14:
  	              // returning from await.
  	              result = $async$result;
  	              $async$handler = 2;
  	              // goto after finally
  	              $async$goto = 13;
  	              break;
  	            case 11:
  	              // catch
  	              $async$handler = 10;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassException0)
  	                throw $async$exception;
  	              else {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                A.throwWithTrace0($async$self._async_evaluate0$_exception$2($async$self._async_evaluate0$_getErrorMessage$1(error), nodeWithSpan.get$span(nodeWithSpan)), error, stackTrace);
  	              }
  	              // goto after finally
  	              $async$goto = 13;
  	              break;
  	            case 10:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 13:
  	              // after finally
  	              $async$self._async_evaluate0$_callableNode = oldCallableNode;
  	              if (argumentList == null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = evaluated._values[0];
  	              if (t1.get$isEmpty(t1)) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (argumentList._argument_list$_wereKeywordsAccessed) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = evaluated._values[0];
  	              t1 = t1.get$keys(t1);
  	              t1 = A.pluralize0("parameter", t1.get$length(t1), null);
  	              t2 = evaluated._values[0];
  	              t2 = t2.get$keys(t2);
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$0("No " + t1 + " named " + A.toSentence0(t2.map$1$1(t2, new A._EvaluateVisitor__runBuiltInCallable_closure10(), type$.Object), "or") + ".", nodeWithSpan.get$span(nodeWithSpan), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_box_0.overload.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), $async$self._async_evaluate0$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan)), null));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_runBuiltInCallable$3, $async$completer);
  	    },
  	    _async_evaluate0$_evaluateArguments$1($arguments) {
  	      return this._evaluateArguments$body$_EvaluateVisitor0($arguments);
  	    },
  	    _evaluateArguments$body$_EvaluateVisitor0($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_5_Map_String_Value_named_and_Map_String_AstNode_namedNodes_and_List_Value_positional_and_List_AstNode_positionalNodes_and_ListSeparator_separator_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, _i, expression, nodeForSpan, t5, t6, named, namedNodes, $name, value, t7, restArgs, rest, restNodeForSpan, separator, keywordRestArgs, keywordRest, keywordRestNodeForSpan, positional, positionalNodes, $async$temp1, $async$temp2;
  	      var $async$_async_evaluate0$_evaluateArguments$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              positional = A._setArrayType([], type$.JSArray_Value_2);
  	              positionalNodes = A._setArrayType([], type$.JSArray_AstNode_2);
  	              t1 = $arguments.positional, t2 = t1.length, t3 = type$._Future_Value_2, t4 = type$.Future_Value_2, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              expression = t1[_i];
  	              nodeForSpan = $async$self._async_evaluate0$_expressionNode$1(expression);
  	              t5 = expression.accept$1($async$self);
  	              if (!t4._is(t5)) {
  	                t6 = new A._Future($.Zone__current, t3);
  	                t6._state = 8;
  	                t6._resultOrListeners = t5;
  	                t5 = t6;
  	              }
  	              $async$temp1 = positional;
  	              $async$goto = 6;
  	              return A._asyncAwait(t5, $async$_async_evaluate0$_evaluateArguments$1);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.push($async$self._async_evaluate0$_withoutSlash$2($async$result, nodeForSpan));
  	              positionalNodes.push(nodeForSpan);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = type$.String;
  	              named = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value_2);
  	              t2 = type$.AstNode_2;
  	              namedNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	              t5 = A.MapExtensions_get_pairs0($arguments.named, t1, type$.Expression_2), t5 = t5.get$iterator(t5);
  	            case 7:
  	              // for condition
  	              if (!t5.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              t6 = t5.get$current(t5);
  	              $name = t6._0;
  	              value = t6._1;
  	              nodeForSpan = $async$self._async_evaluate0$_expressionNode$1(value);
  	              t6 = value.accept$1($async$self);
  	              if (!t4._is(t6)) {
  	                t7 = new A._Future($.Zone__current, t3);
  	                t7._state = 8;
  	                t7._resultOrListeners = t6;
  	                t6 = t7;
  	              }
  	              $async$temp1 = named;
  	              $async$temp2 = $name;
  	              $async$goto = 9;
  	              return A._asyncAwait(t6, $async$_async_evaluate0$_evaluateArguments$1);
  	            case 9:
  	              // returning from await.
  	              $async$temp1.$indexSet(0, $async$temp2, $async$self._async_evaluate0$_withoutSlash$2($async$result, nodeForSpan));
  	              namedNodes.$indexSet(0, $name, nodeForSpan);
  	              // goto for condition
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // after for
  	              restArgs = $arguments.rest;
  	              if (restArgs == null) {
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, B.ListSeparator_undecided_null_3_undecided0]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 10;
  	              return A._asyncAwait(restArgs.accept$1($async$self), $async$_async_evaluate0$_evaluateArguments$1);
  	            case 10:
  	              // returning from await.
  	              rest = $async$result;
  	              restNodeForSpan = $async$self._async_evaluate0$_expressionNode$1(restArgs);
  	              if (rest instanceof A.SassMap0) {
  	                $async$self._async_evaluate0$_addRestMap$4(named, rest, restArgs, new A._EvaluateVisitor__evaluateArguments_closure11());
  	                t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	                for (t4 = rest._map0$_contents, t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4), t5 = type$.SassString_2; t4.moveNext$0();)
  	                  t3.$indexSet(0, t5._as(t4.get$current(t4))._string0$_text, restNodeForSpan);
  	                namedNodes.addAll$1(0, t3);
  	                separator = B.ListSeparator_undecided_null_3_undecided0;
  	              } else if (rest instanceof A.SassList0) {
  	                t3 = rest._list1$_contents;
  	                B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t3, new A._EvaluateVisitor__evaluateArguments_closure12($async$self, restNodeForSpan), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,Value0>")));
  	                B.JSArray_methods.addAll$1(positionalNodes, A.List_List$filled(t3.length, restNodeForSpan, false, t2));
  	                separator = rest._list1$_separator;
  	                if (rest instanceof A.SassArgumentList0) {
  	                  rest._argument_list$_wereKeywordsAccessed = true;
  	                  rest._argument_list$_keywords.forEach$1(0, new A._EvaluateVisitor__evaluateArguments_closure13($async$self, named, restNodeForSpan, namedNodes));
  	                }
  	              } else {
  	                positional.push($async$self._async_evaluate0$_withoutSlash$2(rest, restNodeForSpan));
  	                positionalNodes.push(restNodeForSpan);
  	                separator = B.ListSeparator_undecided_null_3_undecided0;
  	              }
  	              keywordRestArgs = $arguments.keywordRest;
  	              if (keywordRestArgs == null) {
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 11;
  	              return A._asyncAwait(keywordRestArgs.accept$1($async$self), $async$_async_evaluate0$_evaluateArguments$1);
  	            case 11:
  	              // returning from await.
  	              keywordRest = $async$result;
  	              keywordRestNodeForSpan = $async$self._async_evaluate0$_expressionNode$1(keywordRestArgs);
  	              if (keywordRest instanceof A.SassMap0) {
  	                $async$self._async_evaluate0$_addRestMap$4(named, keywordRest, keywordRestArgs, new A._EvaluateVisitor__evaluateArguments_closure14());
  	                t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	                for (t2 = keywordRest._map0$_contents, t2 = t2.get$keys(t2), t2 = t2.get$iterator(t2), t3 = type$.SassString_2; t2.moveNext$0();)
  	                  t1.$indexSet(0, t3._as(t2.get$current(t2))._string0$_text, keywordRestNodeForSpan);
  	                namedNodes.addAll$1(0, t1);
  	                $async$returnValue = new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs.get$span(keywordRestArgs)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_evaluateArguments$1, $async$completer);
  	    },
  	    _async_evaluate0$_evaluateMacroArguments$1(invocation) {
  	      return this._evaluateMacroArguments$body$_EvaluateVisitor0(invocation);
  	    },
  	    _evaluateMacroArguments$body$_EvaluateVisitor0(invocation) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_List_Expression_and_Map_String_Expression_2),
  	        $async$returnValue, $async$self = this, t2, positional, named, rest, restNodeForSpan, keywordRestArgs_, keywordRest, keywordRestNodeForSpan, t1, restArgs_;
  	      var $async$_async_evaluate0$_evaluateMacroArguments$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = invocation.$arguments;
  	              restArgs_ = t1.rest;
  	              if (restArgs_ == null) {
  	                $async$returnValue = new A._Record_2(t1.positional, t1.named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t2 = t1.positional;
  	              positional = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	              named = A.LinkedHashMap_LinkedHashMap$of(t1.named, type$.String, type$.Expression_2);
  	              $async$goto = 3;
  	              return A._asyncAwait(restArgs_.accept$1($async$self), $async$_async_evaluate0$_evaluateMacroArguments$1);
  	            case 3:
  	              // returning from await.
  	              rest = $async$result;
  	              restNodeForSpan = $async$self._async_evaluate0$_expressionNode$1(restArgs_);
  	              if (rest instanceof A.SassMap0)
  	                $async$self._async_evaluate0$_addRestMap$4(named, rest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure11(restArgs_));
  	              else if (rest instanceof A.SassList0) {
  	                t2 = rest._list1$_contents;
  	                B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t2, new A._EvaluateVisitor__evaluateMacroArguments_closure12($async$self, restNodeForSpan, restArgs_), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Expression0>")));
  	                if (rest instanceof A.SassArgumentList0) {
  	                  rest._argument_list$_wereKeywordsAccessed = true;
  	                  rest._argument_list$_keywords.forEach$1(0, new A._EvaluateVisitor__evaluateMacroArguments_closure13($async$self, named, restNodeForSpan, restArgs_));
  	                }
  	              } else
  	                positional.push(new A.ValueExpression0($async$self._async_evaluate0$_withoutSlash$2(rest, restNodeForSpan), restArgs_.get$span(restArgs_)));
  	              keywordRestArgs_ = t1.keywordRest;
  	              if (keywordRestArgs_ == null) {
  	                $async$returnValue = new A._Record_2(positional, named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(keywordRestArgs_.accept$1($async$self), $async$_async_evaluate0$_evaluateMacroArguments$1);
  	            case 4:
  	              // returning from await.
  	              keywordRest = $async$result;
  	              keywordRestNodeForSpan = $async$self._async_evaluate0$_expressionNode$1(keywordRestArgs_);
  	              if (keywordRest instanceof A.SassMap0) {
  	                $async$self._async_evaluate0$_addRestMap$4(named, keywordRest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure14($async$self, keywordRestNodeForSpan, keywordRestArgs_));
  	                $async$returnValue = new A._Record_2(positional, named);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              } else
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs_.get$span(keywordRestArgs_)));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_evaluateMacroArguments$1, $async$completer);
  	    },
  	    _async_evaluate0$_addRestMap$1$4(values, map, nodeWithSpan, convert) {
  	      map._map0$_contents.forEach$1(0, new A._EvaluateVisitor__addRestMap_closure2(this, values, convert, this._async_evaluate0$_expressionNode$1(nodeWithSpan), map, nodeWithSpan));
  	    },
  	    _async_evaluate0$_addRestMap$4(values, map, nodeWithSpan, convert) {
  	      return this._async_evaluate0$_addRestMap$1$4(values, map, nodeWithSpan, convert, type$.dynamic);
  	    },
  	    _async_evaluate0$_verifyArguments$4(positional, named, parameters, nodeWithSpan) {
  	      return this._async_evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__verifyArguments_closure2(parameters, positional, named));
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return this.visitSelectorExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitSelectorExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$visitSelectorExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              t1 = t1 == null ? null : t1.originalSelector.get$asSassList();
  	              $async$returnValue = t1 == null ? B.C__SassNull0 : t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSelectorExpression$1, $async$completer);
  	    },
  	    visitStringExpression$1(_, node) {
  	      return this.visitStringExpression$body$_EvaluateVisitor0(0, node);
  	    },
  	    visitStringExpression$body$_EvaluateVisitor0(_, node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassString_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i, value, t4, _0_0, text, oldInSupportsDeclaration;
  	      var $async$visitStringExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldInSupportsDeclaration = $async$self._async_evaluate0$_inSupportsDeclaration;
  	              $async$self._async_evaluate0$_inSupportsDeclaration = false;
  	              t1 = A._setArrayType([], type$.JSArray_String);
  	              t2 = node.text.contents, t3 = t2.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              value = t2[_i];
  	              if (typeof value == "string") {
  	                t4 = value;
  	                // goto break $label0$0
  	                $async$goto = 6;
  	                break;
  	              }
  	              $async$goto = value instanceof A.Expression0 ? 7 : 8;
  	              break;
  	            case 7:
  	              // then
  	              $async$goto = 9;
  	              return A._asyncAwait(value.accept$1($async$self), $async$visitStringExpression$1);
  	            case 9:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              $label1$1: {
  	                if (_0_0 instanceof A.SassString0) {
  	                  text = _0_0._string0$_text;
  	                  t4 = text;
  	                  break $label1$1;
  	                }
  	                t4 = $async$self._async_evaluate0$_serialize$3$quote(_0_0, value, false);
  	                break $label1$1;
  	              }
  	              // goto break $label0$0
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // join
  	              t4 = A.throwExpression(A.UnsupportedError$("Unknown interpolation value " + A.S(value)));
  	            case 6:
  	              // break $label0$0
  	              t1.push(t4);
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              t1 = B.JSArray_methods.join$0(t1);
  	              $async$self._async_evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              $async$returnValue = new A.SassString0(t1, node.hasQuotes);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitStringExpression$1, $async$completer);
  	    },
  	    visitSupportsExpression$1(_, expression) {
  	      return this.visitSupportsExpression$body$_EvaluateVisitor0(0, expression);
  	    },
  	    visitSupportsExpression$body$_EvaluateVisitor0(_, expression) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassString_2),
  	        $async$returnValue, $async$self = this, $async$temp1;
  	      var $async$visitSupportsExpression$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_visitSupportsCondition$1(expression.condition), $async$visitSupportsExpression$1);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = new $async$temp1.SassString0($async$result, false);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitSupportsExpression$1, $async$completer);
  	    },
  	    visitCssAtRule$1(node) {
  	      return this.visitCssAtRule$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssAtRule$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, wasInKeyframes, wasInUnknownAtRule, t1, rule;
  	      var $async$visitCssAtRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.At_rul, node.span));
  	              if (node.isChildless) {
  	                $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$0(node.name, node.span, true, node.value));
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              wasInKeyframes = $async$self._async_evaluate0$_inKeyframes;
  	              wasInUnknownAtRule = $async$self._async_evaluate0$_inUnknownAtRule;
  	              t1 = node.name;
  	              if (A.unvendor0(t1.value) === "keyframes")
  	                $async$self._async_evaluate0$_inKeyframes = true;
  	              else
  	                $async$self._async_evaluate0$_inUnknownAtRule = true;
  	              rule = A.ModifiableCssAtRule$0(t1, node.span, false, node.value);
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssAtRule_closure8($async$self, node), false, type$.ModifiableCssAtRule_2, type$.Null), $async$visitCssAtRule$1);
  	            case 5:
  	              // returning from await.
  	              $async$self._async_evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate0$_inKeyframes = wasInKeyframes;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssAtRule_closure9($async$self, node), false, new A._EvaluateVisitor_visitCssAtRule_closure10(), type$.ModifiableCssAtRule_2, type$.Null), $async$visitCssAtRule$1);
  	            case 6:
  	              // returning from await.
  	              $async$self._async_evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	              $async$self._async_evaluate0$_inKeyframes = wasInKeyframes;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssAtRule$1, $async$completer);
  	    },
  	    visitCssComment$1(node) {
  	      return this.visitCssComment$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssComment$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssComment$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") === $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root") && $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").children._collection$_source))
  	                $async$self._async_evaluate0$__endOfImports = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") + 1;
  	              $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(new A.ModifiableCssComment0(node.text, node.span));
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssComment$1, $async$completer);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this.visitCssDeclaration$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssDeclaration$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssDeclaration$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	              $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssDeclaration$0(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap));
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssDeclaration$1, $async$completer);
  	    },
  	    visitCssImport$1(node) {
  	      return this.visitCssImport$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssImport$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, modifiableNode;
  	      var $async$visitCssImport$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              modifiableNode = new A.ModifiableCssImport0(node.url, node.modifiers, node.span);
  	              if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") !== $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root")) {
  	                $async$self._async_evaluate0$_copyParentAfterSibling$0();
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").addChild$1(modifiableNode);
  	              } else if ($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") === J.get$length$asx($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").children._collection$_source)) {
  	                $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__root, "_root").addChild$1(modifiableNode);
  	                $async$self._async_evaluate0$__endOfImports = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__endOfImports, "_endOfImports") + 1;
  	              } else {
  	                t1 = $async$self._async_evaluate0$_outOfOrderImports;
  	                (t1 == null ? $async$self._async_evaluate0$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport_2) : t1).push(modifiableNode);
  	              }
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssImport$1, $async$completer);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      return this.visitCssKeyframeBlock$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssKeyframeBlock$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$visitCssKeyframeBlock$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$0(node.selector, node.span), new A._EvaluateVisitor_visitCssKeyframeBlock_closure5($async$self, node), false, new A._EvaluateVisitor_visitCssKeyframeBlock_closure6(), type$.ModifiableCssKeyframeBlock_2, type$.Null), $async$visitCssKeyframeBlock$1);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssKeyframeBlock$1, $async$completer);
  	    },
  	    visitCssMediaRule$1(node) {
  	      return this.visitCssMediaRule$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssMediaRule$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, mergedQueries, t1, mergedSources, t2, t3;
  	      var $async$visitCssMediaRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Media_, node.span));
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$0(node.queries, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure11($async$self, node), false, type$.ModifiableCssMediaRule_2, type$.Null), $async$visitCssMediaRule$1);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              mergedQueries = A.NullableExtension_andThen0($async$self._async_evaluate0$_mediaQueries, new A._EvaluateVisitor_visitCssMediaRule_closure12($async$self, node));
  	              t1 = mergedQueries == null;
  	              if (!t1 && J.get$isEmpty$asx(mergedQueries)) {
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (t1)
  	                mergedSources = B.Set_empty6;
  	              else {
  	                t2 = $async$self._async_evaluate0$_mediaQuerySources;
  	                t2.toString;
  	                t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery_2);
  	                t3 = $async$self._async_evaluate0$_mediaQueries;
  	                t3.toString;
  	                t2.addAll$1(0, t3);
  	                t2.addAll$1(0, node.queries);
  	                mergedSources = t2;
  	              }
  	              t1 = t1 ? node.queries : mergedQueries;
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$0(t1, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure13($async$self, mergedQueries, node, mergedSources), false, new A._EvaluateVisitor_visitCssMediaRule_closure14(mergedSources), type$.ModifiableCssMediaRule_2, type$.Null), $async$visitCssMediaRule$1);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssMediaRule$1, $async$completer);
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this.visitCssStyleRule$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssStyleRule$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, styleRule, _0_0, t2, t3, originalSelector, rule, oldAtRootExcludingStyleRule, _1_1, lastChild;
  	      var $async$visitCssStyleRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Style_n, node.span));
  	              else if ($async$self._async_evaluate0$_inKeyframes && $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent") instanceof A.ModifiableCssKeyframeBlock0)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Style_k, node.span));
  	              t1 = $async$self._async_evaluate0$_atRootExcludingStyleRule;
  	              styleRule = t1 ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              _0_0 = t1 ? null : $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $label0$0: {
  	                if (_0_0 == null) {
  	                  t1 = true;
  	                  break $label0$0;
  	                }
  	                if (_0_0.fromPlainCss) {
  	                  t1 = false;
  	                  break $label0$0;
  	                }
  	                t1 = !(node.fromPlainCss && node._style_rule0$_selector._box0$_inner.value.accept$1(B.C__ContainsParentSelectorVisitor0));
  	                break $label0$0;
  	              }
  	              t2 = node._style_rule0$_selector._box0$_inner;
  	              if (t1) {
  	                t2 = t2.value;
  	                t3 = styleRule == null ? null : styleRule.originalSelector;
  	                originalSelector = t2.nestWithin$3$implicitParent$preserveParentSelectors(t3, !$async$self._async_evaluate0$_atRootExcludingStyleRule, node.fromPlainCss);
  	              } else
  	                originalSelector = t2.value;
  	              rule = A.ModifiableCssStyleRule$0($async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__extensionStore, "_extensionStore").addSelector$2(originalSelector, $async$self._async_evaluate0$_mediaQueries), node.span, node.fromPlainCss, originalSelector);
  	              oldAtRootExcludingStyleRule = $async$self._async_evaluate0$_atRootExcludingStyleRule;
  	              $async$self._async_evaluate0$_atRootExcludingStyleRule = false;
  	              t1 = t1 ? new A._EvaluateVisitor_visitCssStyleRule_closure5() : null;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssStyleRule_closure6($async$self, rule, node), false, t1, type$.ModifiableCssStyleRule_2, type$.Null), $async$visitCssStyleRule$1);
  	            case 2:
  	              // returning from await.
  	              $async$self._async_evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              t1 = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent").children._collection$_source;
  	              t2 = J.getInterceptor$asx(t1);
  	              _1_1 = t2.get$length(t1);
  	              if (_1_1 >= 1) {
  	                lastChild = t2.elementAt$1(t1, _1_1 - 1);
  	                t1 = styleRule == null;
  	              } else {
  	                lastChild = null;
  	                t1 = false;
  	              }
  	              if (t1)
  	                lastChild.isGroupEnd = true;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssStyleRule$1, $async$completer);
  	    },
  	    visitCssStylesheet$1(node) {
  	      return this.visitCssStylesheet$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssStylesheet$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$visitCssStylesheet$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.get$iterator$ax(node.get$children(node));
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              $async$goto = 4;
  	              return A._asyncAwait(t1.get$current(t1).accept$1($async$self), $async$visitCssStylesheet$1);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssStylesheet$1, $async$completer);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this.visitCssSupportsRule$body$_EvaluateVisitor0(node);
  	    },
  	    visitCssSupportsRule$body$_EvaluateVisitor0(node) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, rule;
  	      var $async$visitCssSupportsRule$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if ($async$self._async_evaluate0$_declarationName != null)
  	                throw A.wrapException($async$self._async_evaluate0$_exception$2(string$.Suppor, node.span));
  	              rule = A.ModifiableCssSupportsRule$0(node.condition, node.span);
  	              $async$goto = $async$self.get$_async_evaluate0$_hasCssNesting() ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure8($async$self, node), false, type$.ModifiableCssSupportsRule_2, type$.Null), $async$visitCssSupportsRule$1);
  	            case 5:
  	              // returning from await.
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._async_evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure9($async$self, node), false, new A._EvaluateVisitor_visitCssSupportsRule_closure10(), type$.ModifiableCssSupportsRule_2, type$.Null), $async$visitCssSupportsRule$1);
  	            case 6:
  	              // returning from await.
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$visitCssSupportsRule$1, $async$completer);
  	    },
  	    _async_evaluate0$_handleReturn$1$2(list, callback) {
  	      return this._handleReturn$body$_EvaluateVisitor0(list, callback);
  	    },
  	    _async_evaluate0$_handleReturn$2(list, callback) {
  	      return this._async_evaluate0$_handleReturn$1$2(list, callback, type$.dynamic);
  	    },
  	    _handleReturn$body$_EvaluateVisitor0(list, callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, t1, _i, _0_0;
  	      var $async$_async_evaluate0$_handleReturn$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = list.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < list.length)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(callback.call$1(list[_i]), $async$_async_evaluate0$_handleReturn$1$2);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              list.length === t1 || (0, A.throwConcurrentModificationError)(list), ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_handleReturn$1$2, $async$completer);
  	    },
  	    _async_evaluate0$_withEnvironment$1$2(environment, callback, $T) {
  	      return this._withEnvironment$body$_EvaluateVisitor0(environment, callback, $T, $T);
  	    },
  	    _withEnvironment$body$_EvaluateVisitor0(environment, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldEnvironment;
  	      var $async$_async_evaluate0$_withEnvironment$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldEnvironment = $async$self._async_evaluate0$_environment;
  	              $async$self._async_evaluate0$_environment = environment;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate0$_withEnvironment$1$2);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_environment = oldEnvironment;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withEnvironment$1$2, $async$completer);
  	    },
  	    _async_evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, trim, warnForColor) {
  	      return this._interpolationToValue$body$_EvaluateVisitor0(interpolation, trim, warnForColor);
  	    },
  	    _async_evaluate0$_interpolationToValue$1(interpolation) {
  	      return this._async_evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, false, false);
  	    },
  	    _async_evaluate0$_interpolationToValue$2$warnForColor(interpolation, warnForColor) {
  	      return this._async_evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, false, warnForColor);
  	    },
  	    _interpolationToValue$body$_EvaluateVisitor0(interpolation, trim, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.CssValue_String_2),
  	        $async$returnValue, $async$self = this, result, t1;
  	      var $async$_async_evaluate0$_interpolationToValue$3$trim$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolation$2$warnForColor(interpolation, warnForColor), $async$_async_evaluate0$_interpolationToValue$3$trim$warnForColor);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              t1 = trim ? A.trimAscii0(result, true) : result;
  	              $async$returnValue = new A.CssValue0(t1, interpolation.span, type$.CssValue_String_2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_interpolationToValue$3$trim$warnForColor, $async$completer);
  	    },
  	    _async_evaluate0$_performInterpolation$2$warnForColor(interpolation, warnForColor) {
  	      return this._performInterpolation$body$_EvaluateVisitor0(interpolation, warnForColor);
  	    },
  	    _async_evaluate0$_performInterpolation$1(interpolation) {
  	      return this._async_evaluate0$_performInterpolation$2$warnForColor(interpolation, false);
  	    },
  	    _performInterpolation$body$_EvaluateVisitor0(interpolation, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this;
  	      var $async$_async_evaluate0$_performInterpolation$2$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, false, warnForColor), $async$_async_evaluate0$_performInterpolation$2$warnForColor);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result._0;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_performInterpolation$2$warnForColor, $async$completer);
  	    },
  	    _async_evaluate0$_performInterpolationWithMap$2$warnForColor(interpolation, warnForColor) {
  	      return this._performInterpolationWithMap$body$_EvaluateVisitor0(interpolation, true);
  	    },
  	    _performInterpolationWithMap$body$_EvaluateVisitor0(interpolation, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_String_and_InterpolationMap_2),
  	        $async$returnValue, $async$self = this, _0_0, result, map;
  	      var $async$_async_evaluate0$_performInterpolationWithMap$2$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, true, true), $async$_async_evaluate0$_performInterpolationWithMap$2$warnForColor);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              result = _0_0._0;
  	              map = _0_0._1;
  	              map.toString;
  	              $async$returnValue = new A._Record_2(result, map);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_performInterpolationWithMap$2$warnForColor, $async$completer);
  	    },
  	    _async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, sourceMap, warnForColor) {
  	      return this._performInterpolationHelper$body$_EvaluateVisitor0(interpolation, sourceMap, warnForColor);
  	    },
  	    _performInterpolationHelper$body$_EvaluateVisitor0(interpolation, sourceMap, warnForColor) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_String_and_nullable_InterpolationMap_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, t5, t6, first, _i, t7, value, result, result0, t8, targetOffsets, oldInSupportsDeclaration;
  	      var $async$_async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              targetOffsets = sourceMap ? A._setArrayType([], type$.JSArray_int) : null;
  	              oldInSupportsDeclaration = $async$self._async_evaluate0$_inSupportsDeclaration;
  	              $async$self._async_evaluate0$_inSupportsDeclaration = false;
  	              t1 = interpolation.contents, t2 = t1.length, t3 = type$.Expression_2, t4 = targetOffsets == null, t5 = interpolation.span, t6 = type$.Object, first = true, _i = 0, t7 = "";
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              value = t1[_i];
  	              if (!first)
  	                if (!t4)
  	                  targetOffsets.push(t7.length);
  	              if (typeof value == "string") {
  	                t7 += value;
  	                // goto for update
  	                $async$goto = 4;
  	                break;
  	              }
  	              t3._as(value);
  	              $async$goto = 6;
  	              return A._asyncAwait(value.accept$1($async$self), $async$_async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor);
  	            case 6:
  	              // returning from await.
  	              result = $async$result;
  	              if (warnForColor && $.$get$namesByColor0().containsKey$1(result)) {
  	                result0 = A.List_List$from([""], false, t6);
  	                result0.$flags = 3;
  	                t8 = $.$get$namesByColor0();
  	                $async$self._async_evaluate0$_warn$2(string$.You_pr + A.S(t8.$index(0, result)) + string$.x20in_in + result.toString$0(0) + string$.x2c_whicw + A.S(t8.$index(0, result)) + string$.x22x29__If + new A.BinaryOperationExpression0(B.BinaryOperator_jCK0, new A.StringExpression0(new A.Interpolation0(result0, B.List_null, t5), true), value, false).toString$0(0) + "'.", value.get$span(value));
  	              }
  	              t7 += $async$self._async_evaluate0$_serialize$3$quote(result, value, false);
  	            case 4:
  	              // for update
  	              ++_i, first = false;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$self._async_evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	              $async$returnValue = new A._Record_2(t7.charCodeAt(0) == 0 ? t7 : t7, A.NullableExtension_andThen0(targetOffsets, new A._EvaluateVisitor__performInterpolationHelper_closure2(interpolation)));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor, $async$completer);
  	    },
  	    _async_evaluate0$_evaluateToCss$2$quote(expression, quote) {
  	      return this._evaluateToCss$body$_EvaluateVisitor0(expression, quote);
  	    },
  	    _async_evaluate0$_evaluateToCss$1(expression) {
  	      return this._async_evaluate0$_evaluateToCss$2$quote(expression, true);
  	    },
  	    _evaluateToCss$body$_EvaluateVisitor0(expression, quote) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1;
  	      var $async$_async_evaluate0$_evaluateToCss$2$quote = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = expression.accept$1($async$self);
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$_async_evaluate0$_evaluateToCss$2$quote);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$self._async_evaluate0$_serialize$3$quote($async$result, expression, quote);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_evaluateToCss$2$quote, $async$completer);
  	    },
  	    _async_evaluate0$_serialize$3$quote(value, nodeWithSpan, quote) {
  	      return this._async_evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__serialize_closure2(value, quote));
  	    },
  	    _async_evaluate0$_serialize$2(value, nodeWithSpan) {
  	      return this._async_evaluate0$_serialize$3$quote(value, nodeWithSpan, true);
  	    },
  	    _async_evaluate0$_expressionNode$1(expression) {
  	      var t1;
  	      if (expression instanceof A.VariableExpression0) {
  	        t1 = this._async_evaluate0$_addExceptionSpan$2(expression, new A._EvaluateVisitor__expressionNode_closure2(this, expression));
  	        return t1 == null ? expression : t1;
  	      } else
  	        return expression;
  	    },
  	    _async_evaluate0$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, through, $S, $T) {
  	      return this._withParent$body$_EvaluateVisitor0(node, callback, scopeWhen, through, $S, $T, $T);
  	    },
  	    _async_evaluate0$_withParent$2$3$scopeWhen(node, callback, scopeWhen, $S, $T) {
  	      return this._async_evaluate0$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, null, $S, $T);
  	    },
  	    _async_evaluate0$_withParent$2$2(node, callback, $S, $T) {
  	      return this._async_evaluate0$_withParent$2$4$scopeWhen$through(node, callback, true, null, $S, $T);
  	    },
  	    _withParent$body$_EvaluateVisitor0(node, callback, scopeWhen, through, $S, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldParent, result;
  	      var $async$_async_evaluate0$_withParent$2$4$scopeWhen$through = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$self._async_evaluate0$_addChild$2$through(node, through);
  	              oldParent = $async$self._async_evaluate0$_assertInModule$2($async$self._async_evaluate0$__parent, "__parent");
  	              $async$self._async_evaluate0$__parent = node;
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self._async_evaluate0$_environment.scope$1$2$when(callback, scopeWhen, $T), $async$_async_evaluate0$_withParent$2$4$scopeWhen$through);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$__parent = oldParent;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withParent$2$4$scopeWhen$through, $async$completer);
  	    },
  	    _async_evaluate0$_copyParentAfterSibling$0() {
  	      var t1, grandparent, newParent, _this = this,
  	        _s8_ = "__parent",
  	        _0_0 = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__parent, _s8_)._node$_parent;
  	      if (_0_0 != null) {
  	        t1 = _0_0.children;
  	        t1 = t1.get$last(t1) !== _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__parent, _s8_);
  	        grandparent = _0_0;
  	      } else {
  	        grandparent = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        newParent = _this._async_evaluate0$_assertInModule$2(_this._async_evaluate0$__parent, _s8_).copyWithoutChildren$0();
  	        grandparent.addChild$1(newParent);
  	        _this._async_evaluate0$__parent = newParent;
  	      }
  	    },
  	    _async_evaluate0$_addChild$2$through(node, through) {
  	      var _0_0, grandparent, t1,
  	        $parent = this._async_evaluate0$_assertInModule$2(this._async_evaluate0$__parent, "__parent");
  	      if (through != null) {
  	        for (; through.call$1($parent); $parent = _0_0) {
  	          _0_0 = $parent._node$_parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$(string$.throug + node.toString$0(0) + ".", null));
  	        }
  	        if ($parent.get$hasFollowingSibling()) {
  	          grandparent = $parent._node$_parent;
  	          t1 = grandparent.children;
  	          if ($parent.equalsIgnoringChildren$1(t1.get$last(t1)))
  	            $parent = type$.ModifiableCssParentNode_2._as(t1.get$last(t1));
  	          else {
  	            $parent = $parent.copyWithoutChildren$0();
  	            grandparent.addChild$1($parent);
  	          }
  	        }
  	      }
  	      $parent.addChild$1(node);
  	    },
  	    _async_evaluate0$_addChild$1(node) {
  	      return this._async_evaluate0$_addChild$2$through(node, null);
  	    },
  	    _async_evaluate0$_withStyleRule$1$2(rule, callback, $T) {
  	      return this._withStyleRule$body$_EvaluateVisitor0(rule, callback, $T, $T);
  	    },
  	    _withStyleRule$body$_EvaluateVisitor0(rule, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldRule;
  	      var $async$_async_evaluate0$_withStyleRule$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldRule = $async$self._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$self._async_evaluate0$_styleRuleIgnoringAtRoot = rule;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate0$_withStyleRule$1$2);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_styleRuleIgnoringAtRoot = oldRule;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withStyleRule$1$2, $async$completer);
  	    },
  	    _async_evaluate0$_withMediaQueries$1$3(queries, sources, callback, $T) {
  	      return this._withMediaQueries$body$_EvaluateVisitor0(queries, sources, callback, $T, $T);
  	    },
  	    _withMediaQueries$body$_EvaluateVisitor0(queries, sources, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, result, oldMediaQueries, oldSources;
  	      var $async$_async_evaluate0$_withMediaQueries$1$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              oldMediaQueries = $async$self._async_evaluate0$_mediaQueries;
  	              oldSources = $async$self._async_evaluate0$_mediaQuerySources;
  	              $async$self._async_evaluate0$_mediaQueries = queries;
  	              $async$self._async_evaluate0$_mediaQuerySources = sources;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate0$_withMediaQueries$1$3);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_mediaQueries = oldMediaQueries;
  	              $async$self._async_evaluate0$_mediaQuerySources = oldSources;
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withMediaQueries$1$3, $async$completer);
  	    },
  	    _async_evaluate0$_withStackFrame$1$3(member, nodeWithSpan, callback, $T) {
  	      return this._withStackFrame$body$_EvaluateVisitor0(member, nodeWithSpan, callback, $T, $T);
  	    },
  	    _withStackFrame$body$_EvaluateVisitor0(member, nodeWithSpan, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, oldMember, result, t1;
  	      var $async$_async_evaluate0$_withStackFrame$1$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._async_evaluate0$_stack;
  	              t1.push(new A._Record_2($async$self._async_evaluate0$_member, nodeWithSpan));
  	              oldMember = $async$self._async_evaluate0$_member;
  	              $async$self._async_evaluate0$_member = member;
  	              $async$goto = 3;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate0$_withStackFrame$1$3);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              $async$self._async_evaluate0$_member = oldMember;
  	              t1.pop();
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_withStackFrame$1$3, $async$completer);
  	    },
  	    _async_evaluate0$_withoutSlash$2(value, nodeForSpan) {
  	      var t1;
  	      if (value instanceof A.SassNumber0)
  	        t1 = value.asSlash != null;
  	      else
  	        t1 = false;
  	      if (t1)
  	        this._async_evaluate0$_warn$3(string$.Using__i + A.S(new A._EvaluateVisitor__withoutSlash_recommendation2().call$1(value)) + string$.x0a_Morex20, nodeForSpan.get$span(nodeForSpan), B.Deprecation_v81);
  	      return value.withoutSlash$0();
  	    },
  	    _async_evaluate0$_stackFrame$2(member, span) {
  	      return A.frameForSpan0(span, member, A.NullableExtension_andThen0(span.get$sourceUrl(span), new A._EvaluateVisitor__stackFrame_closure2(this)));
  	    },
  	    _async_evaluate0$_stackTrace$1(span) {
  	      var t2, t3, _i, t4, nodeWithSpan, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Frame);
  	      for (t2 = _this._async_evaluate0$_stack, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = t2[_i];
  	        nodeWithSpan = t4._1;
  	        t1.push(_this._async_evaluate0$_stackFrame$2(t4._0, nodeWithSpan.get$span(nodeWithSpan)));
  	      }
  	      if (span != null)
  	        t1.push(_this._async_evaluate0$_stackFrame$2(_this._async_evaluate0$_member, span));
  	      return A.Trace$(new A.ReversedListIterable(t1, type$.ReversedListIterable_Frame), null);
  	    },
  	    _async_evaluate0$_stackTrace$0() {
  	      return this._async_evaluate0$_stackTrace$1(null);
  	    },
  	    _async_evaluate0$_warn$3(message, span, deprecation) {
  	      var trace, t1, _this = this;
  	      if (_this._async_evaluate0$_quietDeps && _this._async_evaluate0$_inDependency)
  	        return;
  	      if (!_this._async_evaluate0$_warningsEmitted.add$1(0, new A._Record_2(message, span)))
  	        return;
  	      trace = _this._async_evaluate0$_stackTrace$1(span);
  	      t1 = _this._async_evaluate0$_logger;
  	      if (deprecation == null)
  	        t1.internalWarn$4$deprecation$span$trace(message, null, span, trace);
  	      else
  	        A.WarnForDeprecation_warnForDeprecation0(t1, deprecation, message, span, trace);
  	    },
  	    _async_evaluate0$_warn$2(message, span) {
  	      return this._async_evaluate0$_warn$3(message, span, null);
  	    },
  	    _async_evaluate0$_exception$2(message, span) {
  	      var t1, t2;
  	      if (span == null) {
  	        t1 = B.JSArray_methods.get$last(this._async_evaluate0$_stack)._1;
  	        t1 = t1.get$span(t1);
  	      } else
  	        t1 = span;
  	      t2 = this._async_evaluate0$_stackTrace$1(span);
  	      return new A.SassRuntimeException0(t2, B.Set_empty, message, t1);
  	    },
  	    _async_evaluate0$_exception$1(message) {
  	      return this._async_evaluate0$_exception$2(message, null);
  	    },
  	    _async_evaluate0$_multiSpanException$3(message, primaryLabel, secondaryLabels) {
  	      var t1 = B.JSArray_methods.get$last(this._async_evaluate0$_stack)._1;
  	      return A.MultiSpanSassRuntimeException$0(message, t1.get$span(t1), primaryLabel, secondaryLabels, this._async_evaluate0$_stackTrace$0(), null);
  	    },
  	    _async_evaluate0$_addExceptionSpan$1$2(nodeWithSpan, callback) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	          A.throwWithTrace0(t1.withTrace$1(this._async_evaluate0$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan) )), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _async_evaluate0$_addExceptionSpan$2(nodeWithSpan, callback) {
  	      return this._async_evaluate0$_addExceptionSpan$1$2(nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame, $T) {
  	      return this._addExceptionSpanAsync$body$_EvaluateVisitor0(nodeWithSpan, callback, addStackFrame, $T, $T);
  	    },
  	    _async_evaluate0$_addExceptionSpanAsync$1$2(nodeWithSpan, callback, $T) {
  	      return this._async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame(nodeWithSpan, callback, true, $T);
  	    },
  	    _addExceptionSpanAsync$body$_EvaluateVisitor0(nodeWithSpan, callback, addStackFrame, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, $async$exception;
  	      var $async$_async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = callback.call$0();
  	              $async$goto = 7;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (t1 instanceof A.SassScriptException0) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	                A.throwWithTrace0(t1.withTrace$1($async$self._async_evaluate0$_stackTrace$1(addStackFrame ? nodeWithSpan.get$span(nodeWithSpan) : null)), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame, $async$completer);
  	    },
  	    _async_evaluate0$_addExceptionTrace$1$1(callback, $T) {
  	      return this._addExceptionTrace$body$_EvaluateVisitor0(callback, $T, $T);
  	    },
  	    _addExceptionTrace$body$_EvaluateVisitor0(callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, t2, $async$exception;
  	      var $async$_async_evaluate0$_addExceptionTrace$1$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              t1 = callback.call$0();
  	              $async$goto = 7;
  	              return A._asyncAwait($T._eval$1("Future<0>")._is(t1) ? t1 : A._Future$value(t1, $T), $async$_async_evaluate0$_addExceptionTrace$1$1);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException_2._is(t1))
  	                throw $async$exception;
  	              else if (t1 instanceof A.SassException0) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                t1 = error;
  	                t2 = J.getInterceptor$x(t1);
  	                A.throwWithTrace0(error.withTrace$1($async$self._async_evaluate0$_stackTrace$1(A.SourceSpanException.prototype.get$span.call(t2, t1))), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_addExceptionTrace$1$1, $async$completer);
  	    },
  	    _async_evaluate0$_addErrorSpan$1$2(nodeWithSpan, callback, $T) {
  	      return this._addErrorSpan$body$_EvaluateVisitor0(nodeWithSpan, callback, $T, $T);
  	    },
  	    _addErrorSpan$body$_EvaluateVisitor0(nodeWithSpan, callback, $T, $async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$self = this, error, stackTrace, t1, t2, t3, $async$exception;
  	      var $async$_async_evaluate0$_addErrorSpan$1$2 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$handler = 4;
  	              $async$goto = 7;
  	              return A._asyncAwait(callback.call$0(), $async$_async_evaluate0$_addErrorSpan$1$2);
  	            case 7:
  	              // returning from await.
  	              t1 = $async$result;
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // catch
  	              $async$handler = 3;
  	              $async$exception = $async$errorStack.pop();
  	              t1 = A.unwrapException($async$exception);
  	              if (type$.SassRuntimeException_2._is(t1)) {
  	                error = t1;
  	                stackTrace = A.getTraceFromException($async$exception);
  	                if (!B.JSString_methods.startsWith$1(J.get$span$x(error).get$text(), "@error"))
  	                  throw $async$exception;
  	                t1 = error._span_exception$_message;
  	                t2 = nodeWithSpan.get$span(nodeWithSpan);
  	                t3 = $async$self._async_evaluate0$_stackTrace$0();
  	                A.throwWithTrace0(new A.SassRuntimeException0(t3, B.Set_empty, t1, t2), error, stackTrace);
  	              } else
  	                throw $async$exception;
  	              // goto after finally
  	              $async$goto = 6;
  	              break;
  	            case 3:
  	              // uncaught
  	              // goto rethrow
  	              $async$goto = 2;
  	              break;
  	            case 6:
  	              // after finally
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	            case 2:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_evaluate0$_addErrorSpan$1$2, $async$completer);
  	    },
  	    _async_evaluate0$_getErrorMessage$1(error) {
  	      var t1;
  	      if (type$.Error._is(error))
  	        return error.toString$0(0);
  	      try {
  	        t1 = A._asString(J.get$message$x(error));
  	        return t1;
  	      } catch (exception) {
  	        t1 = J.toString$0$(error);
  	        return t1;
  	      }
  	    },
  	    $isExpressionVisitor: 1,
  	    $isIfConditionExpressionVisitor: 1,
  	    $isStatementVisitor: 1
  	  };
  	  A._EvaluateVisitor_closure38.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._async_evaluate0$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-");
  	      return t1.globalVariableExists$2$namespace(t2, module == null ? null : module._string0$_text) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure39.prototype = {
  	    call$1($arguments) {
  	      var variable = J.$index$asx($arguments, 0).assertString$1("name"),
  	        t1 = this.$this._async_evaluate0$_environment;
  	      return t1.getVariable$1(A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-")) != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure40.prototype = {
  	    call$1($arguments) {
  	      var module, t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate0$_environment;
  	      t3 = variable._string0$_text;
  	      t4 = A.stringReplaceAllUnchecked(t3, "_", "-");
  	      return t2.getFunction$2$namespace(t4, module == null ? null : module._string0$_text) != null || t1._async_evaluate0$_builtInFunctions.containsKey$1(t3) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure41.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._async_evaluate0$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-");
  	      return t1.getMixin$2$namespace(t2, module == null ? null : module._string0$_text) != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure42.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.$this._async_evaluate0$_environment;
  	      if (!t1._async_environment0$_inMixin)
  	        throw A.wrapException(A.SassScriptException$0(string$.conten, null));
  	      return t1._async_environment0$_content != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure43.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = this.$this._async_evaluate0$_environment._async_environment0$_modules.$index(0, t1);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t1 + '".');
  	      t1 = type$.Value_2;
  	      t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t3 = A.MapExtensions_get_pairs0(module.get$variables(), type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        t2.$indexSet(0, new A.SassString0(t4._0, true), t4._1);
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure44.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = t1._async_evaluate0$_environment._async_environment0$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value_2;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs0(module.get$functions(module), type$.String, type$.AsyncCallable_2), t4 = t4.get$iterator(t4), t1 = t1._async_evaluate0$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString0(t5._0, true), new A.SassFunction0(t5._1, t1));
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure45.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = t1._async_evaluate0$_environment._async_environment0$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value_2;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs0(module.get$mixins(), type$.String, type$.AsyncCallable_2), t4 = t4.get$iterator(t4), t1 = t1._async_evaluate0$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString0(t5._0, true), new A.SassMixin0(t5._1, t1));
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure46.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name"),
  	        css = t1.$index($arguments, 1).get$isTruthy();
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      if (css) {
  	        if (module != null)
  	          throw A.wrapException(string$.x24css_a);
  	        return new A.SassFunction0(new A.PlainCssCallable0($name._string0$_text), this.$this._async_evaluate0$_compileContext);
  	      }
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate0$_callableNode;
  	      t2.toString;
  	      callable = t1._async_evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure14(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Function not found: " + $name.toString$0(0));
  	      return new A.SassFunction0(callable, t1._async_evaluate0$_compileContext);
  	    },
  	    $signature: 207
  	  };
  	  A._EvaluateVisitor__closure14.prototype = {
  	    call$0() {
  	      var local,
  	        normalizedName = A.stringReplaceAllUnchecked(this.name._string0$_text, "_", "-"),
  	        t1 = this.module,
  	        namespace = t1 == null ? null : t1._string0$_text;
  	      t1 = this.$this;
  	      local = t1._async_evaluate0$_environment.getFunction$2$namespace(normalizedName, namespace);
  	      if (local != null || namespace != null)
  	        return local;
  	      return t1._async_evaluate0$_builtInFunctions.$index(0, normalizedName);
  	    },
  	    $signature: 96
  	  };
  	  A._EvaluateVisitor_closure47.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._async_evaluate0$_callableNode;
  	      t2.toString;
  	      callable = t1._async_evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure13(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Mixin not found: " + $name.toString$0(0));
  	      return new A.SassMixin0(callable, t1._async_evaluate0$_compileContext);
  	    },
  	    $signature: 208
  	  };
  	  A._EvaluateVisitor__closure13.prototype = {
  	    call$0() {
  	      var t1 = this.$this._async_evaluate0$_environment,
  	        t2 = A.stringReplaceAllUnchecked(this.name._string0$_text, "_", "-"),
  	        t3 = this.module;
  	      return t1.getMixin$2$namespace(t2, t3 == null ? null : t3._string0$_text);
  	    },
  	    $signature: 96
  	  };
  	  A._EvaluateVisitor_closure48.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure4($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure4($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, callableNode, t2, t3, t4, t5, t6, t7, invocation, t1, $function, args;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              $function = t1.$index($arguments, 0);
  	              args = type$.SassArgumentList_2._as(t1.$index($arguments, 1));
  	              t1 = $async$self.$this;
  	              callableNode = t1._async_evaluate0$_callableNode;
  	              t2 = callableNode.get$span(callableNode);
  	              t3 = callableNode.get$span(callableNode);
  	              args._argument_list$_wereKeywordsAccessed = true;
  	              t4 = args._argument_list$_keywords;
  	              if (t4.get$isEmpty(t4))
  	                t4 = null;
  	              else {
  	                t5 = type$.Value_2;
  	                t6 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t5);
  	                for (args._argument_list$_wereKeywordsAccessed = true, t4 = A.MapExtensions_get_pairs0(t4, type$.String, t5), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	                  t7 = t4.get$current(t4);
  	                  t6.$indexSet(0, new A.SassString0(t7._0, false), t7._1);
  	                }
  	                t4 = new A.ValueExpression0(new A.SassMap0(A.ConstantMap_ConstantMap$from(t6, t5, t5)), callableNode.get$span(callableNode));
  	              }
  	              invocation = A.ArgumentList$0(B.List_empty24, B.Map_empty14, B.Map_empty5, t2, t4, new A.ValueExpression0(args, t3));
  	              $async$goto = $function instanceof A.SassString0 ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              A.warnForDeprecation0(string$.Passina + $function.toString$0(0) + "))", B.Deprecation_LIY);
  	              callableNode = t1._async_evaluate0$_callableNode;
  	              t2 = $function._string0$_text;
  	              t3 = callableNode.get$span(callableNode);
  	              t1 = t1.visitFunctionExpression$1(0, new A.FunctionExpression0(null, A.stringReplaceAllUnchecked(t2, "_", "-"), t2, invocation, t3));
  	              $async$goto = 5;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$1);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              t2 = $function.assertFunction$1("function").assertCompileContext$1(t1._async_evaluate0$_compileContext);
  	              t3 = t1._async_evaluate0$_callableNode;
  	              t3.toString;
  	              $async$goto = 6;
  	              return A._asyncAwait(t1._async_evaluate0$_runFunctionCallable$3(invocation, t2.callable, t3), $async$call$1);
  	            case 6:
  	              // returning from await.
  	              t3 = $async$result;
  	              $async$returnValue = t3;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 92
  	  };
  	  A._EvaluateVisitor_closure49.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure3($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure3($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, withMap, t2, t3, values, span, configuration, t1, url;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              url = A.Uri_parse(t1.$index($arguments, 0).assertString$1("url")._string0$_text);
  	              t1 = t1.$index($arguments, 1).get$realNull();
  	              withMap = t1 == null ? null : t1.assertMap$1("with")._map0$_contents;
  	              t1 = $async$self.$this;
  	              t2 = t1._async_evaluate0$_callableNode;
  	              t2.toString;
  	              if (withMap != null) {
  	                t3 = {};
  	                values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue_2);
  	                span = t2.get$span(t2);
  	                t3.privateDeprecation = false;
  	                withMap.forEach$1(0, new A._EvaluateVisitor__closure11(t3, values, span, t2));
  	                configuration = new A.ExplicitConfiguration0(t2, values, null);
  	              } else
  	                configuration = B.Configuration_Map_empty_null0;
  	              t3 = t2.get$span(t2);
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, "load-css()", t2, new A._EvaluateVisitor__closure12(t1), t3.get$sourceUrl(t3), configuration, true), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, true);
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 209
  	  };
  	  A._EvaluateVisitor__closure11.prototype = {
  	    call$2(variable, value) {
  	      var _this = this,
  	        t1 = variable.assertString$1("with key"),
  	        $name = A.stringReplaceAllUnchecked(t1._string0$_text, "_", "-");
  	      t1 = _this.values;
  	      if (t1.containsKey$1($name))
  	        throw A.wrapException("The variable $" + $name + " was configured twice.");
  	      else if (B.JSString_methods.startsWith$1($name, "-") && !_this._box_0.privateDeprecation) {
  	        _this._box_0.privateDeprecation = true;
  	        A.warnForDeprecation0("Configuring private variables (such as $" + $name + string$.x29x20is_dT, B.Deprecation_lkJ);
  	      }
  	      t1.$indexSet(0, $name, new A.ConfiguredValue0(value, _this.span, _this.callableNode));
  	    },
  	    $signature: 117
  	  };
  	  A._EvaluateVisitor__closure12.prototype = {
  	    call$2(module, _) {
  	      var t1 = this.$this;
  	      return t1._async_evaluate0$_combineCss$2$clone(module, true).accept$1(t1);
  	    },
  	    $signature: 331
  	  };
  	  A._EvaluateVisitor_closure50.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_EvaluateVisitor_closure2($arguments);
  	    },
  	    $call$body$_EvaluateVisitor_closure2($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, callableNode, invocation, t1, mixin, args;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = J.getInterceptor$asx($arguments);
  	              mixin = t1.$index($arguments, 0);
  	              args = type$.SassArgumentList_2._as(t1.$index($arguments, 1));
  	              t1 = $async$self.$this;
  	              callableNode = t1._async_evaluate0$_callableNode;
  	              invocation = A.ArgumentList$0(B.List_empty24, B.Map_empty14, B.Map_empty5, callableNode.get$span(callableNode), null, new A.ValueExpression0(args, callableNode.get$span(callableNode)));
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_applyMixin$5(mixin.assertMixin$1("mixin").assertCompileContext$1(t1._async_evaluate0$_compileContext).callable, t1._async_evaluate0$_environment._async_environment0$_content, invocation, callableNode, callableNode), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 209
  	  };
  	  A._EvaluateVisitor_run_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2),
  	        $async$returnValue, $async$self = this, module, t1, t2, _0_0, url;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node;
  	              t2 = t1.span;
  	              _0_0 = t2.get$sourceUrl(t2);
  	              url = null;
  	              if (_0_0 != null) {
  	                url = _0_0;
  	                t2 = $async$self.$this;
  	                t2._async_evaluate0$_activeModules.$indexSet(0, url, null);
  	                if (!(t2._async_evaluate0$_nodeImporter != null && J.toString$0$(url) === "stdin"))
  	                  t2._async_evaluate0$_loadedUrls.add$1(0, url);
  	              }
  	              t2 = $async$self.$this;
  	              $async$goto = 3;
  	              return A._asyncAwait(t2._async_evaluate0$_addExceptionTrace$1$1(new A._EvaluateVisitor_run__closure2(t2, $async$self.importer, t1), type$.Module_AsyncCallable_2), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              module = $async$result;
  	              $async$returnValue = new A._Record_2_loadedUrls_stylesheet(t2._async_evaluate0$_loadedUrls, t2._async_evaluate0$_combineCss$1(module));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 332
  	  };
  	  A._EvaluateVisitor_run__closure2.prototype = {
  	    call$0() {
  	      return this.$this._async_evaluate0$_execute$2(this.importer, this.node);
  	    },
  	    $signature: 333
  	  };
  	  A._EvaluateVisitor__loadModule_closure5.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_0.builtInModule, false);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__loadModule_closure6.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__loadModule_closure0();
  	    },
  	    $call$body$_EvaluateVisitor__loadModule_closure0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$handler = 1, $async$errorStack = [], $async$next = [], $async$self = this, canonicalUrl, oldInDependency, isDependency, t4, message, t1, stylesheet, importer, t2, t3, _1_0, $async$temp1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1) {
  	          $async$errorStack.push($async$result);
  	          $async$goto = $async$handler;
  	        }
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = {};
  	              stylesheet = null;
  	              importer = null;
  	              t2 = $async$self.$this;
  	              t3 = $async$self.nodeWithSpan;
  	              $async$goto = 2;
  	              return A._asyncAwait(t2._async_evaluate0$_loadStylesheet$3$baseUrl($async$self.url.toString$0(0), t3.get$span(t3), $async$self.baseUrl), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              _1_0 = $async$result;
  	              stylesheet = _1_0._0;
  	              importer = _1_0._1;
  	              isDependency = _1_0._2;
  	              t4 = stylesheet.span;
  	              canonicalUrl = t4.get$sourceUrl(t4);
  	              if (canonicalUrl != null) {
  	                t4 = t2._async_evaluate0$_activeModules;
  	                if (t4.containsKey$1(canonicalUrl)) {
  	                  message = $async$self.namesInErrors ? "Module loop: " + $.$get$context().prettyUri$1(canonicalUrl) + " is already being loaded." : string$.Modulel;
  	                  t1 = A.NullableExtension_andThen0(t4.$index(0, canonicalUrl), new A._EvaluateVisitor__loadModule__closure5(t2, message));
  	                  throw A.wrapException(t1 == null ? t2._async_evaluate0$_exception$1(message) : t1);
  	                } else
  	                  t4.$indexSet(0, canonicalUrl, t3);
  	              }
  	              t4 = t2._async_evaluate0$_modules.containsKey$1(canonicalUrl);
  	              oldInDependency = t2._async_evaluate0$_inDependency;
  	              t2._async_evaluate0$_inDependency = isDependency;
  	              t1.module = null;
  	              $async$handler = 3;
  	              $async$temp1 = t1;
  	              $async$goto = 6;
  	              return A._asyncAwait(t2._async_evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, $async$self.configuration, $async$self.namesInErrors, t3), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              $async$temp1.module = $async$result;
  	              $async$next.push(5);
  	              // goto finally
  	              $async$goto = 4;
  	              break;
  	            case 3:
  	              // uncaught
  	              $async$next = [1];
  	            case 4:
  	              // finally
  	              $async$handler = 1;
  	              t2._async_evaluate0$_activeModules.remove$1(0, canonicalUrl);
  	              t2._async_evaluate0$_inDependency = oldInDependency;
  	              // goto the next finally handler
  	              $async$goto = $async$next.pop();
  	              break;
  	            case 5:
  	              // after finally
  	              $async$goto = 7;
  	              return A._asyncAwait(t2._async_evaluate0$_addExceptionSpanAsync$1$3$addStackFrame(t3, new A._EvaluateVisitor__loadModule__closure6(t1, $async$self.callback, !t4), false, type$.void), $async$call$0);
  	            case 7:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	            case 1:
  	              // rethrow
  	              return A._asyncRethrow($async$errorStack.at(-1), $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__loadModule__closure5.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._async_evaluate0$_multiSpanException$3(this.message, "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 98
  	  };
  	  A._EvaluateVisitor__loadModule__closure6.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_1.module, this.firstLoad);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__execute_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t3, t4, t5, t6, t1, oldImporter, oldStylesheet, oldRoot, oldPreModuleComments, oldParent, oldEndOfImports, oldOutOfOrderImports, oldExtensionStore, t2, oldStyleRule, oldMediaQueries, oldDeclarationName, oldInUnknownAtRule, oldInKeyframes, oldConfiguration;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldImporter = t1._async_evaluate0$_importer;
  	              oldStylesheet = t1._async_evaluate0$__stylesheet;
  	              oldRoot = t1._async_evaluate0$__root;
  	              oldPreModuleComments = t1._async_evaluate0$_preModuleComments;
  	              oldParent = t1._async_evaluate0$__parent;
  	              oldEndOfImports = t1._async_evaluate0$__endOfImports;
  	              oldOutOfOrderImports = t1._async_evaluate0$_outOfOrderImports;
  	              oldExtensionStore = t1._async_evaluate0$__extensionStore;
  	              t2 = t1._async_evaluate0$_atRootExcludingStyleRule;
  	              oldStyleRule = t2 ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              oldMediaQueries = t1._async_evaluate0$_mediaQueries;
  	              oldDeclarationName = t1._async_evaluate0$_declarationName;
  	              oldInUnknownAtRule = t1._async_evaluate0$_inUnknownAtRule;
  	              oldInKeyframes = t1._async_evaluate0$_inKeyframes;
  	              oldConfiguration = t1._async_evaluate0$_configuration;
  	              t1._async_evaluate0$_importer = $async$self.importer;
  	              t3 = t1._async_evaluate0$__stylesheet = $async$self.stylesheet;
  	              t4 = t3.span;
  	              t5 = t1._async_evaluate0$__parent = t1._async_evaluate0$__root = A.ModifiableCssStylesheet$0(t4);
  	              t1._async_evaluate0$__endOfImports = 0;
  	              t1._async_evaluate0$_outOfOrderImports = null;
  	              t1._async_evaluate0$__extensionStore = $async$self.extensionStore;
  	              t1._async_evaluate0$_declarationName = t1._async_evaluate0$_mediaQueries = t1._async_evaluate0$_styleRuleIgnoringAtRoot = null;
  	              t1._async_evaluate0$_inKeyframes = t1._async_evaluate0$_atRootExcludingStyleRule = t1._async_evaluate0$_inUnknownAtRule = false;
  	              t6 = $async$self.configuration;
  	              if (t6 != null)
  	                t1._async_evaluate0$_configuration = t6;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, t3), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              t3 = t1._async_evaluate0$_outOfOrderImports == null ? t5 : new A.CssStylesheet0(new A.UnmodifiableListView(t1._async_evaluate0$_addOutOfOrderImports$0(), type$.UnmodifiableListView_CssNode_2), t4);
  	              $async$self.css.__late_helper$_value = t3;
  	              $async$self.preModuleComments.__late_helper$_value = t1._async_evaluate0$_preModuleComments;
  	              t1._async_evaluate0$_importer = oldImporter;
  	              t1._async_evaluate0$__stylesheet = oldStylesheet;
  	              t1._async_evaluate0$__root = oldRoot;
  	              t1._async_evaluate0$_preModuleComments = oldPreModuleComments;
  	              t1._async_evaluate0$__parent = oldParent;
  	              t1._async_evaluate0$__endOfImports = oldEndOfImports;
  	              t1._async_evaluate0$_outOfOrderImports = oldOutOfOrderImports;
  	              t1._async_evaluate0$__extensionStore = oldExtensionStore;
  	              t1._async_evaluate0$_styleRuleIgnoringAtRoot = oldStyleRule;
  	              t1._async_evaluate0$_mediaQueries = oldMediaQueries;
  	              t1._async_evaluate0$_declarationName = oldDeclarationName;
  	              t1._async_evaluate0$_inUnknownAtRule = oldInUnknownAtRule;
  	              t1._async_evaluate0$_atRootExcludingStyleRule = t2;
  	              t1._async_evaluate0$_inKeyframes = oldInKeyframes;
  	              t1._async_evaluate0$_configuration = oldConfiguration;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__combineCss_closure5.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 118
  	  };
  	  A._EvaluateVisitor__combineCss_closure6.prototype = {
  	    call$1(target) {
  	      return !this.selectors.contains$1(0, target);
  	    },
  	    $signature: 15
  	  };
  	  A._EvaluateVisitor__combineCss_visitModule2.prototype = {
  	    call$1(module) {
  	      var t1, t2, t3, t4, _i, upstream, _1_0, statements, index, _this = this;
  	      if (!_this.seen.add$1(0, module))
  	        return;
  	      if (_this.clone)
  	        module = module.cloneCss$0();
  	      for (t1 = module.get$upstream(), t2 = t1.length, t3 = _this.css, t4 = _this.imports, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        upstream = t1[_i];
  	        if (upstream.get$transitivelyContainsCss()) {
  	          _1_0 = module.get$preModuleComments().$index(0, upstream);
  	          if (_1_0 != null)
  	            B.JSArray_methods.addAll$1(t3.length === 0 ? t4 : t3, _1_0);
  	          _this.call$1(upstream);
  	        }
  	      }
  	      _this.sorted.addFirst$1(module);
  	      t1 = module.get$css(module);
  	      statements = t1.get$children(t1);
  	      index = _this.$this._async_evaluate0$_indexAfterImports$1(statements);
  	      t1 = J.getInterceptor$ax(statements);
  	      B.JSArray_methods.addAll$1(t4, t1.getRange$2(statements, 0, index));
  	      B.JSArray_methods.addAll$1(t3, t1.getRange$2(statements, index, t1.get$length(statements)));
  	    },
  	    $signature: 335
  	  };
  	  A._EvaluateVisitor__extendModules_closure5.prototype = {
  	    call$1(target) {
  	      return !this.originalSelectors.contains$1(0, target);
  	    },
  	    $signature: 15
  	  };
  	  A._EvaluateVisitor__extendModules_closure6.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_ExtensionStore_2);
  	    },
  	    $signature: 211
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure17.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, oldParent;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldParent = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__parent, "__parent");
  	              t1._async_evaluate0$__parent = $async$self.newParent;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_environment.scope$1$2$when(callback, $async$self.node.hasDeclarations, type$.void), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate0$__parent = oldParent;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure18.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, oldAtRootExcludingStyleRule;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldAtRootExcludingStyleRule = t1._async_evaluate0$_atRootExcludingStyleRule;
  	              t1._async_evaluate0$_atRootExcludingStyleRule = true;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure19.prototype = {
  	    call$1(callback) {
  	      return this.$this._async_evaluate0$_withMediaQueries$1$3(null, null, new A._EvaluateVisitor__scopeForAtRoot__closure2(this.innerScope, callback), type$.Null);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot__closure2.prototype = {
  	    call$0() {
  	      return this.innerScope.call$1(this.callback);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure20.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, wasInKeyframes;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              wasInKeyframes = t1._async_evaluate0$_inKeyframes;
  	              t1._async_evaluate0$_inKeyframes = false;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate0$_inKeyframes = wasInKeyframes;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure21.prototype = {
  	    call$1($parent) {
  	      return $parent instanceof A.ModifiableCssAtRule0;
  	    },
  	    $signature: 212
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure22.prototype = {
  	    call$1(callback) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, wasInUnknownAtRule;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              wasInUnknownAtRule = t1._async_evaluate0$_inUnknownAtRule;
  	              t1._async_evaluate0$_inUnknownAtRule = false;
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.innerScope.call$1(callback), $async$call$1);
  	            case 2:
  	              // returning from await.
  	              t1._async_evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 40
  	  };
  	  A._EvaluateVisitor_visitContentRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.content.declaration.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 6:
  	              // returning from await.
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitDeclaration_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self._box_0.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure8.prototype = {
  	    call$1(value) {
  	      var t1 = this.$this,
  	        t2 = this.nodeWithSpan;
  	      return t1._async_evaluate0$_environment.setLocalVariable$3(this._box_0.variable, t1._async_evaluate0$_withoutSlash$2(value, t2), t2);
  	    },
  	    $signature: 63
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure9.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate0$_setMultipleVariables$3(this._box_1.variables, value, this.nodeWithSpan);
  	    },
  	    $signature: 63
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure10.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      return t1._async_evaluate0$_handleReturn$2(_this.list.get$asList(), new A._EvaluateVisitor_visitEachRule__closure2(t1, _this.setVariables, _this.node));
  	    },
  	    $signature: 78
  	  };
  	  A._EvaluateVisitor_visitEachRule__closure2.prototype = {
  	    call$1(element) {
  	      var t1;
  	      this.setVariables.call$1(element);
  	      t1 = this.$this;
  	      return t1._async_evaluate0$_handleReturn$2(this.node.children, new A._EvaluateVisitor_visitEachRule___closure2(t1));
  	    },
  	    $signature: 340
  	  };
  	  A._EvaluateVisitor_visitEachRule___closure2.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 101
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure11.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate0$_interpolationToValue$3$trim$warnForColor(value, true, true);
  	    },
  	    $signature: 342
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure12.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure13.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, styleRule;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              styleRule = t1._async_evaluate0$_atRootExcludingStyleRule ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$goto = styleRule == null || t1._async_evaluate0$_inKeyframes || $async$self.name.value === "font-face" ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              t2 = $async$self.children, t3 = t2.length, _i = 0;
  	            case 5:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              $async$goto = 8;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	            case 6:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 5;
  	              break;
  	            case 7:
  	              // after for
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              $async$goto = 9;
  	              return A._asyncAwait(t1._async_evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(styleRule._style_rule0$_selector, styleRule.span, false, styleRule.originalSelector), new A._EvaluateVisitor_visitAtRule__closure2(t1, $async$self.children), false, type$.ModifiableCssStyleRule_2, type$.Null), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure14.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitForRule_closure14.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber_2),
  	        $async$returnValue, $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self.node.from.accept$1($async$self.$this), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.assertNumber$0();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 214
  	  };
  	  A._EvaluateVisitor_visitForRule_closure15.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.SassNumber_2),
  	        $async$returnValue, $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait($async$self.node.to.accept$1($async$self.$this), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result.assertNumber$0();
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 214
  	  };
  	  A._EvaluateVisitor_visitForRule_closure16.prototype = {
  	    call$0() {
  	      return this.fromNumber.assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure17.prototype = {
  	    call$0() {
  	      var t1 = this.fromNumber;
  	      return this.toNumber.coerce$2(t1.get$numeratorUnits(t1), t1.get$denominatorUnits(t1)).assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure18.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, i, t3, t4, t5, t6, t7, t8, _0_0, t1, t2, nodeWithSpan;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.node;
  	              nodeWithSpan = t1._async_evaluate0$_expressionNode$1(t2.from);
  	              i = $async$self.from, t3 = $async$self._box_0, t4 = $async$self.direction, t5 = t2.variable, t6 = $async$self.fromNumber, t2 = t2.children;
  	            case 3:
  	              // for condition
  	              if (!(i !== t3.to)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              t7 = t1._async_evaluate0$_environment;
  	              t8 = t6.get$numeratorUnits(t6);
  	              t7.setLocalVariable$3(t5, A.SassNumber_SassNumber$withUnits0(i, t6.get$denominatorUnits(t6), t8), nodeWithSpan);
  	              $async$goto = 6;
  	              return A._asyncAwait(t1._async_evaluate0$_handleReturn$2(t2, new A._EvaluateVisitor_visitForRule__closure2(t1)), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              i += t4;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 78
  	  };
  	  A._EvaluateVisitor_visitForRule__closure2.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 101
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure5.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._async_evaluate0$_registerCommentsForModule$1(module);
  	      this.$this._async_evaluate0$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 121
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure6.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._async_evaluate0$_registerCommentsForModule$1(module);
  	      this.$this._async_evaluate0$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 121
  	  };
  	  A._EvaluateVisitor__registerCommentsForModule_closure2.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_CssComment_2);
  	    },
  	    $signature: 215
  	  };
  	  A._EvaluateVisitor_visitIfRule_closure2.prototype = {
  	    call$1(clause) {
  	      var t1 = this.$this;
  	      return t1._async_evaluate0$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitIfRule__closure2(t1, clause), true, clause.hasDeclarations, type$.nullable_Value_2);
  	    },
  	    $signature: 347
  	  };
  	  A._EvaluateVisitor_visitIfRule__closure2.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._async_evaluate0$_handleReturn$2(this.clause.children, new A._EvaluateVisitor_visitIfRule___closure2(t1));
  	    },
  	    $signature: 78
  	  };
  	  A._EvaluateVisitor_visitIfRule___closure2.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 101
  	  };
  	  A._EvaluateVisitor__visitDynamicImport_closure2.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__visitDynamicImport_closure0();
  	    },
  	    $call$body$_EvaluateVisitor__visitDynamicImport_closure0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, stylesheet, importer, isDependency, t3, url, oldImporter, oldStylesheet, oldInDependency, loadsUserDefinedModules, children, t4, t5, t6, t7, t8, t9, t10, t11, environment, module, visitor, _box_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              _box_0 = {};
  	              _box_0.isDependency = _box_0.importer = _box_0.stylesheet = null;
  	              t1 = $async$self.$this;
  	              t2 = $async$self.$import;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_evaluate0$_loadStylesheet$3$forImport(t2.urlString, t2.span, true), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              stylesheet = _box_0.stylesheet = _0_0._0;
  	              importer = _0_0._1;
  	              _box_0.importer = importer;
  	              isDependency = _0_0._2;
  	              _box_0.isDependency = isDependency;
  	              t3 = stylesheet.span;
  	              url = t3.get$sourceUrl(t3);
  	              if (url != null) {
  	                t3 = t1._async_evaluate0$_activeModules;
  	                if (t3.containsKey$1(url)) {
  	                  t2 = A.NullableExtension_andThen0(t3.$index(0, url), new A._EvaluateVisitor__visitDynamicImport__closure11(t1));
  	                  throw A.wrapException(t2 == null ? t1._async_evaluate0$_exception$1("This file is already being loaded.") : t2);
  	                }
  	                t3.$indexSet(0, url, t2);
  	              }
  	              t2 = stylesheet._stylesheet1$_uses;
  	              t3 = type$.UnmodifiableListView_UseRule_2;
  	              $async$goto = new A.UnmodifiableListView(t2, t3).get$length(0) === 0 && new A.UnmodifiableListView(stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2).get$length(0) === 0 ? 4 : 5;
  	              break;
  	            case 4:
  	              // then
  	              oldImporter = t1._async_evaluate0$_importer;
  	              oldStylesheet = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__stylesheet, "_stylesheet");
  	              oldInDependency = t1._async_evaluate0$_inDependency;
  	              t1._async_evaluate0$_importer = importer;
  	              t1._async_evaluate0$__stylesheet = stylesheet;
  	              t1._async_evaluate0$_inDependency = isDependency;
  	              $async$goto = 6;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, stylesheet), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              t1._async_evaluate0$_importer = oldImporter;
  	              t1._async_evaluate0$__stylesheet = oldStylesheet;
  	              t1._async_evaluate0$_inDependency = oldInDependency;
  	              t1._async_evaluate0$_activeModules.remove$1(0, url);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 5:
  	              // join
  	              t2 = new A.UnmodifiableListView(t2, t3);
  	              if (!t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure12())) {
  	                t2 = new A.UnmodifiableListView(stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2);
  	                loadsUserDefinedModules = t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure13());
  	              } else
  	                loadsUserDefinedModules = true;
  	              children = A._Cell$();
  	              t2 = t1._async_evaluate0$_environment;
  	              t3 = type$.String;
  	              t4 = type$.Module_AsyncCallable_2;
  	              t5 = type$.AstNode_2;
  	              t6 = t2._async_environment0$_nestedForwardedModules;
  	              t7 = A._setArrayType([], type$.JSArray_Module_AsyncCallable_2);
  	              t8 = t2._async_environment0$_variables;
  	              t8 = A._setArrayType(t8.slice(0), A._arrayInstanceType(t8));
  	              t9 = t2._async_environment0$_variableNodes;
  	              t9 = A._setArrayType(t9.slice(0), A._arrayInstanceType(t9));
  	              t10 = t2._async_environment0$_functions;
  	              t10 = A._setArrayType(t10.slice(0), A._arrayInstanceType(t10));
  	              t11 = t2._async_environment0$_mixins;
  	              t11 = A._setArrayType(t11.slice(0), A._arrayInstanceType(t11));
  	              environment = A.AsyncEnvironment$_0(A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t3, t5), A.LinkedHashMap_LinkedHashMap$_empty(t4, t5), t2._async_environment0$_importedModules, null, t6, t7, t8, t9, t10, t11, t2._async_environment0$_content, t2._async_environment0$_configurableVariables);
  	              $async$goto = 7;
  	              return A._asyncAwait(t1._async_evaluate0$_withEnvironment$1$2(environment, new A._EvaluateVisitor__visitDynamicImport__closure14(_box_0, t1, loadsUserDefinedModules, environment, children), type$.Null), $async$call$0);
  	            case 7:
  	              // returning from await.
  	              module = environment.toDummyModule$0();
  	              t1._async_evaluate0$_environment.importForwards$1(module);
  	              $async$goto = loadsUserDefinedModules ? 8 : 9;
  	              break;
  	            case 8:
  	              // then
  	              $async$goto = module.transitivelyContainsCss ? 10 : 11;
  	              break;
  	            case 10:
  	              // then
  	              $async$goto = 12;
  	              return A._asyncAwait(t1._async_evaluate0$_combineCss$2$clone(module, module.transitivelyContainsExtensions).accept$1(t1), $async$call$0);
  	            case 12:
  	              // returning from await.
  	            case 11:
  	              // join
  	              visitor = new A._ImportedCssVisitor2(t1);
  	              for (t2 = J.get$iterator$ax(children._readLocal$0()); t2.moveNext$0();)
  	                t2.get$current(t2).accept$1(visitor);
  	            case 9:
  	              // join
  	              t1._async_evaluate0$_activeModules.remove$1(0, url);
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure11.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._async_evaluate0$_multiSpanException$3("This file is already being loaded.", "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 98
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure12.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 142
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure13.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 216
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure14.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t3, t4, t1, oldImporter, oldStylesheet, oldRoot, oldParent, oldEndOfImports, oldOutOfOrderImports, oldConfiguration, oldInDependency, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              oldImporter = t1._async_evaluate0$_importer;
  	              oldStylesheet = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__stylesheet, "_stylesheet");
  	              oldRoot = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__root, "_root");
  	              oldParent = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__parent, "__parent");
  	              oldEndOfImports = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__endOfImports, "_endOfImports");
  	              oldOutOfOrderImports = t1._async_evaluate0$_outOfOrderImports;
  	              oldConfiguration = t1._async_evaluate0$_configuration;
  	              oldInDependency = t1._async_evaluate0$_inDependency;
  	              t2 = $async$self._box_0;
  	              t1._async_evaluate0$_importer = t2.importer;
  	              t3 = t2.stylesheet;
  	              t1._async_evaluate0$__stylesheet = t3;
  	              t4 = $async$self.loadsUserDefinedModules;
  	              if (t4) {
  	                t3 = A.ModifiableCssStylesheet$0(t3.span);
  	                t1._async_evaluate0$__root = t3;
  	                t1._async_evaluate0$__parent = t1._async_evaluate0$_assertInModule$2(t3, "_root");
  	                t1._async_evaluate0$__endOfImports = 0;
  	                t1._async_evaluate0$_outOfOrderImports = null;
  	              }
  	              t1._async_evaluate0$_inDependency = t2.isDependency;
  	              t3 = new A.UnmodifiableListView(t2.stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2);
  	              if (!t3.get$isEmpty(t3))
  	                t1._async_evaluate0$_configuration = $async$self.environment.toImplicitConfiguration$0();
  	              $async$goto = 2;
  	              return A._asyncAwait(t1.visitStylesheet$1(0, t2.stylesheet), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              t2 = t4 ? t1._async_evaluate0$_addOutOfOrderImports$0() : A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	              $async$self.children.__late_helper$_value = t2;
  	              t1._async_evaluate0$_importer = oldImporter;
  	              t1._async_evaluate0$__stylesheet = oldStylesheet;
  	              if (t4) {
  	                t1._async_evaluate0$__root = oldRoot;
  	                t1._async_evaluate0$__parent = oldParent;
  	                t1._async_evaluate0$__endOfImports = oldEndOfImports;
  	                t1._async_evaluate0$_outOfOrderImports = oldOutOfOrderImports;
  	              }
  	              t1._async_evaluate0$_configuration = oldConfiguration;
  	              t1._async_evaluate0$_inDependency = oldInDependency;
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__applyMixin_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin__closure6(t1, $async$self.$arguments, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin__closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 2;
  	              return A._asyncAwait($async$self.$this._async_evaluate0$_runBuiltInCallable$3($async$self.$arguments, $async$self.mixin, $async$self.nodeWithSpanWithoutContent), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin_closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_environment.withContent$2($async$self.contentCallable, new A._EvaluateVisitor__applyMixin__closure5(t1, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor__applyMixin__closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin___closure2(t1, $async$self.mixin, $async$self.nodeWithSpanWithoutContent)), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin___closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.void),
  	        $async$self = this, t1, t2, t3, t4, t5, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.mixin.declaration.children, t2 = t1.length, t3 = $async$self.$this, t4 = $async$self.nodeWithSpanWithoutContent, t5 = type$.nullable_Value_2, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t3._async_evaluate0$_addErrorSpan$1$2(t4, new A._EvaluateVisitor__applyMixin____closure2(t3, t1[_i]), t5), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 32
  	  };
  	  A._EvaluateVisitor__applyMixin____closure2.prototype = {
  	    call$0() {
  	      return this.statement.accept$1(this.$this);
  	    },
  	    $signature: 78
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure8.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_environment.getMixin$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 96
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure9.prototype = {
  	    call$1($content) {
  	      var t1 = this.$this;
  	      return new A.UserDefinedCallable0($content, t1._async_evaluate0$_environment.closure$0(), t1._async_evaluate0$_inDependency, type$.UserDefinedCallable_AsyncEnvironment_2);
  	    },
  	    $signature: 350
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure10.prototype = {
  	    call$0() {
  	      return this.node.get$spanWithoutContent();
  	    },
  	    $signature: 16
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure11.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure12.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._async_evaluate0$_mergeMediaQueries$2(mediaQueries, this.queries);
  	    },
  	    $signature: 104
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure13.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.mergedQueries;
  	              if (t2 == null)
  	                t2 = $async$self.queries;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_withMediaQueries$1$3(t2, $async$self.mergedSources, new A._EvaluateVisitor_visitMediaRule__closure2(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate0$_atRootExcludingStyleRule ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitMediaRule___closure2(t1, $async$self.node), false, type$.ModifiableCssStyleRule_2, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.length, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule___closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure14.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule0 && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure11.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure12.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure14.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_withStyleRule$1$2($async$self.rule, new A._EvaluateVisitor_visitStyleRule__closure2(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure13.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__warnForBogusCombinators_closure2.prototype = {
  	    call$1(child) {
  	      return child instanceof A.ModifiableCssComment0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure8.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure9.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, _i, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate0$_atRootExcludingStyleRule ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate0$_withParent$2$2(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitSupportsRule__closure2(t1, $async$self.node), type$.ModifiableCssStyleRule_2, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.length, _i = 0;
  	            case 6:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              $async$goto = 9;
  	              return A._asyncAwait(t2[_i].accept$1(t1), $async$call$0);
  	            case 9:
  	              // returning from await.
  	            case 7:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, _i;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.length, t3 = $async$self.$this, _i = 0;
  	            case 2:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 5;
  	              return A._asyncAwait(t1[_i].accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	            case 3:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 4:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure10.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__visitSupportsCondition_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.String),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, $async$temp1, $async$temp2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self._box_0;
  	              $async$temp1 = A;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_evaluate0$_evaluateToCss$1(t2.declaration.name), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              t3 = $async$temp1.S($async$result);
  	              t4 = t2.declaration.get$isCustomProperty() ? "" : " ";
  	              $async$temp1 = "(" + t3 + ":" + t4;
  	              $async$temp2 = A;
  	              $async$goto = 4;
  	              return A._asyncAwait(t1._async_evaluate0$_evaluateToCss$1(t2.declaration.value), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1 + $async$temp2.S($async$result) + ")";
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 181
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure8.prototype = {
  	    call$0() {
  	      var t1 = this.$this._async_evaluate0$_environment,
  	        t2 = this._box_0.override;
  	      t1.setVariable$4$global(this.node.name, t2.value, t2.assignmentNode, true);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure9.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure10.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      t1._async_evaluate0$_environment.setVariable$5$global$namespace(t2.name, this.value, t1._async_evaluate0$_expressionNode$1(t2.expression), t2.isGlobal, t2.namespace);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitUseRule_closure2.prototype = {
  	    call$2(module, firstLoad) {
  	      var t1, t2, t3, _0_0, t4, t5, span;
  	      if (firstLoad)
  	        this.$this._async_evaluate0$_registerCommentsForModule$1(module);
  	      t1 = this.$this._async_evaluate0$_environment;
  	      t2 = this.node;
  	      t3 = t2.namespace;
  	      if (t3 == null) {
  	        t1._async_environment0$_globalModules.$indexSet(0, module, t2);
  	        t1._async_environment0$_allModules.push(module);
  	        t1 = B.JSArray_methods.get$first(t1._async_environment0$_variables);
  	        _0_0 = A.IterableExtension_firstWhereOrNull(t1.get$keys(t1), module.get$variables().get$containsKey());
  	        if (_0_0 != null)
  	          A.throwExpression(A.SassScriptException$0(string$.This_ma + _0_0 + '".', null));
  	      } else {
  	        t4 = t1._async_environment0$_modules;
  	        if (t4.containsKey$1(t3)) {
  	          t5 = t1._async_environment0$_namespaceNodes.$index(0, t3);
  	          span = t5 == null ? null : t5.span;
  	          t5 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (span != null)
  	            t5.$indexSet(0, span, "original @use");
  	          A.throwExpression(A.MultiSpanSassScriptException$0(string$.There_ + t3 + '".', "new @use", t5));
  	        }
  	        t4.$indexSet(0, t3, module);
  	        t1._async_environment0$_namespaceNodes.$indexSet(0, t3, t2);
  	        t1._async_environment0$_allModules.push(module);
  	      }
  	    },
  	    $signature: 121
  	  };
  	  A._EvaluateVisitor_visitWarnRule_closure2.prototype = {
  	    call$0() {
  	      return this.node.expression.accept$1(this.$this);
  	    },
  	    $signature: 80
  	  };
  	  A._EvaluateVisitor_visitWhileRule_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node, t2 = t1.condition, t3 = $async$self.$this, t1 = t1.children;
  	            case 3:
  	              // for condition
  	              $async$goto = 5;
  	              return A._asyncAwait(t2.accept$1(t3), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              if (!$async$result.get$isTruthy()) {
  	                // goto after for
  	                $async$goto = 4;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t3._async_evaluate0$_handleReturn$2(t1, new A._EvaluateVisitor_visitWhileRule__closure2(t3)), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = _0_0;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // after for
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 78
  	  };
  	  A._EvaluateVisitor_visitWhileRule__closure2.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 101
  	  };
  	  A._EvaluateVisitor_visitBinaryOperationExpression_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t3, t1, t2, left, $async$temp1, $async$temp2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node;
  	              t2 = $async$self.$this;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1.left.accept$1(t2), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              left = $async$result;
  	            case 4:
  	              // switch
  	              switch (t1.operator.index) {
  	                case 0:
  	                  // goto case
  	                  $async$goto = 6;
  	                  break;
  	                case 1:
  	                  // goto case
  	                  $async$goto = 7;
  	                  break;
  	                case 2:
  	                  // goto case
  	                  $async$goto = 8;
  	                  break;
  	                case 3:
  	                  // goto case
  	                  $async$goto = 9;
  	                  break;
  	                case 4:
  	                  // goto case
  	                  $async$goto = 10;
  	                  break;
  	                case 5:
  	                  // goto case
  	                  $async$goto = 11;
  	                  break;
  	                case 6:
  	                  // goto case
  	                  $async$goto = 12;
  	                  break;
  	                case 7:
  	                  // goto case
  	                  $async$goto = 13;
  	                  break;
  	                case 8:
  	                  // goto case
  	                  $async$goto = 14;
  	                  break;
  	                case 9:
  	                  // goto case
  	                  $async$goto = 15;
  	                  break;
  	                case 10:
  	                  // goto case
  	                  $async$goto = 16;
  	                  break;
  	                case 11:
  	                  // goto case
  	                  $async$goto = 17;
  	                  break;
  	                case 12:
  	                  // goto case
  	                  $async$goto = 18;
  	                  break;
  	                case 13:
  	                  // goto case
  	                  $async$goto = 19;
  	                  break;
  	                default:
  	                  // goto default
  	                  $async$goto = 20;
  	                  break;
  	              }
  	              break;
  	            case 6:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 21;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 21:
  	              // returning from await.
  	              t1 = $async$result;
  	              t1 = new A.SassString0(A.serializeValue0(left, false, true) + "=" + A.serializeValue0(t1, false, true), false);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 7:
  	              // case
  	              $async$goto = left.get$isTruthy() ? 22 : 24;
  	              break;
  	            case 22:
  	              // then
  	              t1 = left;
  	              // goto join
  	              $async$goto = 23;
  	              break;
  	            case 24:
  	              // else
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 25;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 25:
  	              // returning from await.
  	              t1 = $async$result;
  	            case 23:
  	              // join
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 8:
  	              // case
  	              $async$goto = left.get$isTruthy() ? 26 : 28;
  	              break;
  	            case 26:
  	              // then
  	              t1 = t1.right.accept$1(t2);
  	              $async$goto = 29;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 29:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto join
  	              $async$goto = 27;
  	              break;
  	            case 28:
  	              // else
  	              t1 = left;
  	            case 27:
  	              // join
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 9:
  	              // case
  	              $async$temp1 = left;
  	              $async$goto = 30;
  	              return A._asyncAwait(t1.right.accept$1(t2), $async$call$0);
  	            case 30:
  	              // returning from await.
  	              t1 = $async$temp1.$eq(0, $async$result) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 10:
  	              // case
  	              $async$temp1 = left;
  	              $async$goto = 31;
  	              return A._asyncAwait(t1.right.accept$1(t2), $async$call$0);
  	            case 31:
  	              // returning from await.
  	              t1 = !$async$temp1.$eq(0, $async$result) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 11:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 32;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 32:
  	              // returning from await.
  	              t1 = $async$temp1.greaterThan$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 12:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 33;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 33:
  	              // returning from await.
  	              t1 = $async$temp1.greaterThanOrEquals$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 13:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 34;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 34:
  	              // returning from await.
  	              t1 = $async$temp1.lessThan$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 14:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 35;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 35:
  	              // returning from await.
  	              t1 = $async$temp1.lessThanOrEquals$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 15:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 36;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 36:
  	              // returning from await.
  	              t1 = $async$temp1.plus$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 16:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 37;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 37:
  	              // returning from await.
  	              t1 = $async$temp1.minus$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 17:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 38;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 38:
  	              // returning from await.
  	              t1 = $async$temp1.times$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 18:
  	              // case
  	              t3 = t1.right.accept$1(t2);
  	              $async$temp1 = t2;
  	              $async$temp2 = left;
  	              $async$goto = 39;
  	              return A._asyncAwait(type$.Future_Value_2._is(t3) ? t3 : A._Future$value(t3, type$.Value_2), $async$call$0);
  	            case 39:
  	              // returning from await.
  	              t1 = $async$temp1._async_evaluate0$_slash$3($async$temp2, $async$result, t1);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 19:
  	              // case
  	              t1 = t1.right.accept$1(t2);
  	              $async$temp1 = left;
  	              $async$goto = 40;
  	              return A._asyncAwait(type$.Future_Value_2._is(t1) ? t1 : A._Future$value(t1, type$.Value_2), $async$call$0);
  	            case 40:
  	              // returning from await.
  	              t1 = $async$temp1.modulo$1($async$result);
  	              // goto after switch
  	              $async$goto = 5;
  	              break;
  	            case 20:
  	              // default
  	              t1 = null;
  	            case 5:
  	              // after switch
  	              $async$returnValue = t1;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 80
  	  };
  	  A._EvaluateVisitor__slash_recommendation2.prototype = {
  	    call$1(expression) {
  	      var t1;
  	      $label0$0: {
  	        if (expression instanceof A.BinaryOperationExpression0 && B.BinaryOperator_ehp0 === expression.operator) {
  	          t1 = "math.div(" + A.S(this.call$1(expression.left)) + ", " + A.S(this.call$1(expression.right)) + ")";
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.ParenthesizedExpression0) {
  	          t1 = expression.expression.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = expression.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 120
  	  };
  	  A._EvaluateVisitor_visitVariableExpression_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitUnaryOperationExpression_closure2.prototype = {
  	    call$0() {
  	      var t1, _this = this;
  	      switch (_this.node.operator.index) {
  	        case 0:
  	          t1 = _this.operand.unaryPlus$0();
  	          break;
  	        case 1:
  	          t1 = _this.operand.unaryMinus$0();
  	          break;
  	        case 2:
  	          t1 = new A.SassString0("/" + A.serializeValue0(_this.operand, false, true), false);
  	          break;
  	        case 3:
  	          t1 = _this.operand.unaryNot$0();
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor_visitIfExpression_closure2.prototype = {
  	    call$1(pair) {
  	      return pair._0 + ": " + pair._1.toString$0(0);
  	    },
  	    $signature: 217
  	  };
  	  A._EvaluateVisitor_visitIfConditionOperation_closure2.prototype = {
  	    call$1(pair) {
  	      return pair._1;
  	    },
  	    $signature: 218
  	  };
  	  A._EvaluateVisitor_visitListExpression_closure2.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 358
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure8.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_environment.getFunction$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 96
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure9.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(B.C_IsCalculationSafeVisitor0);
  	    },
  	    $signature: 81
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure10.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_runFunctionCallable$3(t1.$arguments, this._box_0.$function, t1);
  	    },
  	    $signature: 80
  	  };
  	  A._EvaluateVisitor__visitCalculation_closure2.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._async_evaluate0$_warn$3(message, this.node.span, deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 110
  	  };
  	  A._EvaluateVisitor__checkCalculationArguments_check2.prototype = {
  	    call$1(maxArgs) {
  	      var t1 = this.node,
  	        t2 = t1.$arguments.positional.length;
  	      if (t2 === 0)
  	        throw A.wrapException(this.$this._async_evaluate0$_exception$2("Missing argument.", t1.span));
  	      else if (maxArgs != null && t2 > maxArgs)
  	        throw A.wrapException(this.$this._async_evaluate0$_exception$2("Only " + A.S(maxArgs) + " " + A.pluralize0("argument", maxArgs, null) + " allowed, but " + t2 + " " + A.pluralize0("was", t2, "were") + " passed.", t1.span));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    $signature: 82
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Object),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, $async$temp1, $async$temp2, $async$temp3;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self._box_0;
  	              t3 = $async$self.node;
  	              t4 = $async$self.inLegacySassFunction;
  	              $async$temp1 = A;
  	              $async$temp2 = t1._async_evaluate0$_binaryOperatorToCalculationOperator$2(t2.operator, t3);
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2.left, t4), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              $async$temp3 = $async$result;
  	              $async$goto = 4;
  	              return A._asyncAwait(t1._async_evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2.right, t4), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              $async$returnValue = $async$temp1.SassCalculation_operateInternal0($async$temp2, $async$temp3, $async$result, t4, !t1._async_evaluate0$_inSupportsDeclaration, new A._EvaluateVisitor__visitCalculationExpression__closure2(t1, t3));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 185
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression__closure2.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._async_evaluate0$_warn$3(message, this.node.get$span(0), deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 110
  	  };
  	  A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._async_evaluate0$_runFunctionCallable$3(t1.$arguments, this.$function, t1);
  	    },
  	    $signature: 80
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable_closure2.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.callable,
  	        t3 = _this.V;
  	      return t1._async_evaluate0$_withEnvironment$1$2(t2.environment.closure$0(), new A._EvaluateVisitor__runUserDefinedCallable__closure2(t1, _this.evaluated, t2, _this.nodeWithSpan, _this.run, t3), t3);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable__closure2.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.V;
  	      return t1._async_evaluate0$_environment.scope$1$1(new A._EvaluateVisitor__runUserDefinedCallable___closure2(t1, _this.evaluated, _this.callable, _this.nodeWithSpan, _this.run, t2), t2);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable___closure2.prototype = {
  	    call$0() {
  	      return this.$call$body$_EvaluateVisitor__runUserDefinedCallable___closure0(this.V);
  	    },
  	    $call$body$_EvaluateVisitor__runUserDefinedCallable___closure0($async$type) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter($async$type),
  	        $async$returnValue, $async$self = this, parameters, t5, minLength, i, parameter, t6, value, t7, t8, restParameter, rest, argumentList, result, parameterWord, t1, t2, t3, t4, $async$temp1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.evaluated._values;
  	              t3 = $async$self.callable.declaration.parameters;
  	              t4 = $async$self.nodeWithSpan;
  	              t1._async_evaluate0$_verifyArguments$4(J.get$length$asx(t2[2]), t2[0], t3, t4);
  	              parameters = t3.parameters;
  	              t5 = parameters.length;
  	              minLength = Math.min(J.get$length$asx(t2[2]), t5);
  	              for (i = 0; i < minLength; ++i)
  	                t1._async_evaluate0$_environment.setLocalVariable$3(parameters[i].name, J.$index$asx(t2[2], i), J.$index$asx(t2[3], i));
  	              i = J.get$length$asx(t2[2]);
  	            case 3:
  	              // for condition
  	              if (!(i < t5)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              parameter = parameters[i];
  	              t6 = parameter.name;
  	              value = t2[0].remove$1(0, t6);
  	              $async$goto = value == null ? 6 : 7;
  	              break;
  	            case 6:
  	              // then
  	              t7 = parameter.defaultValue;
  	              $async$temp1 = t1;
  	              $async$goto = 8;
  	              return A._asyncAwait(t7.accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              value = $async$temp1._async_evaluate0$_withoutSlash$2($async$result, t1._async_evaluate0$_expressionNode$1(t7));
  	            case 7:
  	              // join
  	              t7 = t1._async_evaluate0$_environment;
  	              t8 = t2[1].$index(0, t6);
  	              if (t8 == null) {
  	                t8 = parameter.defaultValue;
  	                t8.toString;
  	                t8 = t1._async_evaluate0$_expressionNode$1(t8);
  	              }
  	              t7.setLocalVariable$3(t6, value, t8);
  	            case 4:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              restParameter = t3.restParameter;
  	              if (restParameter != null) {
  	                rest = J.get$length$asx(t2[2]) > t5 ? J.sublist$1$ax(t2[2], t5) : B.List_empty23;
  	                t5 = t2[0];
  	                t6 = t2[4];
  	                argumentList = A.SassArgumentList$0(rest, t5, t6 === B.ListSeparator_undecided_null_3_undecided0 ? B.ListSeparator_z0K0 : t6);
  	                t1._async_evaluate0$_environment.setLocalVariable$3(restParameter, argumentList, t4);
  	              } else
  	                argumentList = null;
  	              $async$goto = 9;
  	              return A._asyncAwait($async$self.run.call$0(), $async$call$0);
  	            case 9:
  	              // returning from await.
  	              result = $async$result;
  	              if (argumentList == null) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t5 = t2[0];
  	              if (t5.get$isEmpty(t5)) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (argumentList._argument_list$_wereKeywordsAccessed) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t5 = t2[0];
  	              t5 = t5.get$keys(t5);
  	              parameterWord = A.pluralize0("parameter", t5.get$length(t5), null);
  	              t2 = t2[0];
  	              t2 = t2.get$keys(t2);
  	              throw A.wrapException(A.MultiSpanSassRuntimeException$0("No " + parameterWord + " named " + A.toSentence0(t2.map$1$1(t2, new A._EvaluateVisitor__runUserDefinedCallable____closure2(), type$.Object), "or") + ".", t4.get$span(t4), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([t3.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), t1._async_evaluate0$_stackTrace$1(t4.get$span(t4)), null));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature() {
  	      return this.V._eval$1("Future<0>()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable____closure2.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__runFunctionCallable_closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, t4, _i, $returnValue;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.callable.declaration, t2 = t1.children, t3 = t2.length, t4 = $async$self.$this, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t3)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait(t2[_i].accept$1(t4), $async$call$0);
  	            case 6:
  	              // returning from await.
  	              $returnValue = $async$result;
  	              if ($returnValue instanceof A.Value0) {
  	                $async$returnValue = $returnValue;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              throw A.wrapException(t4._async_evaluate0$_exception$2("Function finished without @return.", t1.span));
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 80
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure8.prototype = {
  	    call$0() {
  	      return this._box_0.overload.verify$2(J.get$length$asx(this.evaluated._values[2]), this.namedSet);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure9.prototype = {
  	    call$0() {
  	      return this._box_0.callback.call$1(this.evaluated._values[2]);
  	    },
  	    $signature: 361
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure10.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure11.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure12.prototype = {
  	    call$1(value) {
  	      return this.$this._async_evaluate0$_withoutSlash$2(value, this.restNodeForSpan);
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure13.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restNodeForSpan;
  	      _this.named.$indexSet(0, key, _this.$this._async_evaluate0$_withoutSlash$2(value, t1));
  	      _this.namedNodes.$indexSet(0, key, t1);
  	    },
  	    $signature: 112
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure14.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure11.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression0(value, t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure12.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression0(this.$this._async_evaluate0$_withoutSlash$2(value, this.restNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure13.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restArgs;
  	      _this.named.$indexSet(0, key, new A.ValueExpression0(_this.$this._async_evaluate0$_withoutSlash$2(value, _this.restNodeForSpan), t1.get$span(t1)));
  	    },
  	    $signature: 112
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure14.prototype = {
  	    call$1(value) {
  	      var t1 = this.keywordRestArgs;
  	      return new A.ValueExpression0(this.$this._async_evaluate0$_withoutSlash$2(value, this.keywordRestNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__addRestMap_closure2.prototype = {
  	    call$2(key, value) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (key instanceof A.SassString0)
  	        _this.values.$indexSet(0, key._string0$_text, _this.convert.call$1(t1._async_evaluate0$_withoutSlash$2(value, _this.expressionNode)));
  	      else {
  	        t2 = _this.nodeWithSpan;
  	        throw A.wrapException(t1._async_evaluate0$_exception$2(string$.Variab_ + key.toString$0(0) + " is not a string in " + _this.map.toString$0(0) + ".", t2.get$span(t2)));
  	      }
  	    },
  	    $signature: 117
  	  };
  	  A._EvaluateVisitor__verifyArguments_closure2.prototype = {
  	    call$0() {
  	      return this.parameters.verify$2(this.positional, new A.MapKeySet(this.named, type$.MapKeySet_String));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure8.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure9.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure10.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure5.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure6.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure11.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure12.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._async_evaluate0$_mergeMediaQueries$2(mediaQueries, this.node.queries);
  	    },
  	    $signature: 104
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure13.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.mergedQueries;
  	              if (t2 == null)
  	                t2 = $async$self.node.queries;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_withMediaQueries$1$3(t2, $async$self.mergedSources, new A._EvaluateVisitor_visitCssMediaRule__closure2(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, t4, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate0$_atRootExcludingStyleRule ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssMediaRule___closure2(t1, $async$self.node), false, type$.ModifiableCssStyleRule_2, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E");
  	            case 6:
  	              // for condition
  	              if (!t2.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              t4 = t2.__internal$_current;
  	              $async$goto = 8;
  	              return A._asyncAwait((t4 == null ? t3._as(t4) : t4).accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule___closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure14.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule0 && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure6.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._async_evaluate0$_withStyleRule$1$2($async$self.rule, new A._EvaluateVisitor_visitCssStyleRule__closure2(t1, $async$self.node), type$.Null), $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure5.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure8.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure9.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t2, t3, t4, t1, _0_0;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              _0_0 = t1._async_evaluate0$_atRootExcludingStyleRule ? null : t1._async_evaluate0$_styleRuleIgnoringAtRoot;
  	              $async$goto = _0_0 != null ? 2 : 4;
  	              break;
  	            case 2:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1._async_evaluate0$_withParent$2$2(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssSupportsRule__closure2(t1, $async$self.node), type$.ModifiableCssStyleRule_2, type$.Null), $async$call$0);
  	            case 5:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 3;
  	              break;
  	            case 4:
  	              // else
  	              t2 = $async$self.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E");
  	            case 6:
  	              // for condition
  	              if (!t2.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 7;
  	                break;
  	              }
  	              t4 = t2.__internal$_current;
  	              $async$goto = 8;
  	              return A._asyncAwait((t4 == null ? t3._as(t4) : t4).accept$1(t1), $async$call$0);
  	            case 8:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 7:
  	              // after for
  	            case 3:
  	              // join
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule__closure2.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = $async$self.$this, t2 = t2._eval$1("ListBase.E");
  	            case 2:
  	              // for condition
  	              if (!t1.moveNext$0()) {
  	                // goto after for
  	                $async$goto = 3;
  	                break;
  	              }
  	              t4 = t1.__internal$_current;
  	              $async$goto = 4;
  	              return A._asyncAwait((t4 == null ? t2._as(t4) : t4).accept$1(t3), $async$call$0);
  	            case 4:
  	              // returning from await.
  	              // goto for condition
  	              $async$goto = 2;
  	              break;
  	            case 3:
  	              // after for
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure10.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__performInterpolationHelper_closure2.prototype = {
  	    call$1(targetOffsets) {
  	      return A.InterpolationMap$0(this.interpolation, targetOffsets);
  	    },
  	    $signature: 220
  	  };
  	  A._EvaluateVisitor__serialize_closure2.prototype = {
  	    call$0() {
  	      return A.serializeValue0(this.value, false, this.quote);
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor__expressionNode_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.expression;
  	      return this.$this._async_evaluate0$_environment.getVariableNode$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 221
  	  };
  	  A._EvaluateVisitor__withoutSlash_recommendation2.prototype = {
  	    call$1(number) {
  	      var before, after, t1,
  	        _1_0 = number.asSlash;
  	      $label0$0: {
  	        if (type$.Record_2_nullable_Object_and_nullable_Object._is(_1_0)) {
  	          before = _1_0._0;
  	          after = _1_0._1;
  	          t1 = "math.div(" + A.S(this.call$1(before)) + ", " + A.S(this.call$1(after)) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.serializeValue0(number, true, true);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 222
  	  };
  	  A._EvaluateVisitor__stackFrame_closure2.prototype = {
  	    call$1(url) {
  	      var t1 = this.$this._async_evaluate0$_importCache;
  	      t1 = t1 == null ? null : t1.humanize$1(url);
  	      return t1 == null ? url : t1;
  	    },
  	    $signature: 49
  	  };
  	  A._ImportedCssVisitor2.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless ? null : new A._ImportedCssVisitor_visitCssAtRule_closure2();
  	      this._async_evaluate0$_visitor._async_evaluate0$_addChild$2$through(node, t1);
  	    },
  	    visitCssComment$1(node) {
  	      return this._async_evaluate0$_visitor._async_evaluate0$_addChild$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this._async_evaluate0$_visitor._async_evaluate0$_addChild$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      var t2,
  	        _s13_ = "_endOfImports",
  	        t1 = this._async_evaluate0$_visitor;
  	      if (t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__parent, "__parent") !== t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__root, "_root"))
  	        t1._async_evaluate0$_addChild$1(node);
  	      else if (t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__endOfImports, _s13_) === J.get$length$asx(t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__root, "_root").children._collection$_source)) {
  	        t1._async_evaluate0$_addChild$1(node);
  	        t1._async_evaluate0$__endOfImports = t1._async_evaluate0$_assertInModule$2(t1._async_evaluate0$__endOfImports, _s13_) + 1;
  	      } else {
  	        t2 = t1._async_evaluate0$_outOfOrderImports;
  	        (t2 == null ? t1._async_evaluate0$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport_2) : t2).push(node);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = this._async_evaluate0$_visitor,
  	        mediaQueries = t1._async_evaluate0$_mediaQueries;
  	      t1._async_evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssMediaRule_closure2(mediaQueries == null || t1._async_evaluate0$_mergeMediaQueries$2(mediaQueries, node.queries) != null));
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this._async_evaluate0$_visitor._async_evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssStyleRule_closure2());
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3;
  	      for (t1 = node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        (t3 == null ? t2._as(t3) : t3).accept$1(this);
  	      }
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._async_evaluate0$_visitor._async_evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssSupportsRule_closure2());
  	    }
  	  };
  	  A._ImportedCssVisitor_visitCssAtRule_closure2.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssMediaRule_closure2.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0))
  	        t1 = this.hasBeenMerged && node instanceof A.ModifiableCssMediaRule0;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssStyleRule_closure2.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssSupportsRule_closure2.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluationContext2.prototype = {
  	    get$currentCallableSpan() {
  	      var _0_0 = this._async_evaluate0$_visitor._async_evaluate0$_callableNode;
  	      if (_0_0 != null)
  	        return _0_0.get$span(_0_0);
  	      throw A.wrapException(A.StateError$(string$.No_Sasc));
  	    },
  	    warn$2(_, message, deprecation) {
  	      var t1 = this._async_evaluate0$_visitor,
  	        t2 = t1._async_evaluate0$_importSpan;
  	      if (t2 == null) {
  	        t2 = t1._async_evaluate0$_callableNode;
  	        t2 = t2 == null ? null : t2.get$span(t2);
  	      }
  	      t1._async_evaluate0$_warn$3(message, t2 == null ? this._async_evaluate0$_defaultWarnNodeWithSpan.span : t2, deprecation);
  	    },
  	    $isEvaluationContext0: 1
  	  };
  	  A.JSToDartAsyncFileImporter.prototype = {
  	    canonicalize$1(_, url) {
  	      return this.canonicalize$body$JSToDartAsyncFileImporter(0, url);
  	    },
  	    canonicalize$body$JSToDartAsyncFileImporter(_, url) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Uri),
  	        $async$returnValue, $async$self = this, result, t1, resultUrl;
  	      var $async$canonicalize$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (url.get$scheme() === "file") {
  	                $async$returnValue = $.$get$FilesystemImporter_cwd0().canonicalize$1(0, url);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              result = A.wrapJSExceptions(new A.JSToDartAsyncFileImporter_canonicalize_closure($async$self, url));
  	              $async$goto = result != null && result instanceof self.Promise ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(A.promiseToFuture0(type$.Promise._as(result), type$.nullable_Object), $async$canonicalize$1);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	            case 4:
  	              // join
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = self.URL;
  	              if (!(result instanceof t1))
  	                A.jsThrow(new self.Error(string$.The_fie));
  	              resultUrl = A.Uri_parse(J.toString$0$(type$.JSUrl._as(result)));
  	              if (resultUrl.get$scheme() !== "file")
  	                A.jsThrow(new self.Error(string$.The_fiu + url.toString$0(0) + '".'));
  	              $async$returnValue = $.$get$FilesystemImporter_cwd0().canonicalize$1(0, resultUrl);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$canonicalize$1, $async$completer);
  	    },
  	    load$1(_, url) {
  	      return $.$get$FilesystemImporter_cwd0().load$1(0, url);
  	    },
  	    isNonCanonicalScheme$1(scheme) {
  	      return scheme !== "file";
  	    }
  	  };
  	  A.JSToDartAsyncFileImporter_canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.$this._findFileUrl.call$2(this.url.toString$0(0), A.canonicalizeContext0());
  	    },
  	    $signature: 36
  	  };
  	  A.AsyncImportCache0.prototype = {
  	    canonicalize$4$baseImporter$baseUrl$forImport(_, url, baseImporter, baseUrl, forImport) {
  	      return this.canonicalize$body$AsyncImportCache0(0, url, baseImporter, baseUrl, forImport);
  	    },
  	    canonicalize$body$AsyncImportCache0(_, url, baseImporter, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2),
  	        $async$returnValue, $async$self = this, t1, resolvedUrl, key, relativeResult, t2, t3, t4, t5, t6, cacheable, i, importer, perImporterKey, t7, _1_0, _1_2_isSet, result, _1_2, _2_0, _2_1, _2_5_isSet, _2_5, _2_3, _2_3_isSet, j;
  	      var $async$canonicalize$4$baseImporter$baseUrl$forImport = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              if (A.isBrowser())
  	                t1 = (baseImporter == null || baseImporter instanceof A.NoOpImporter0) && $async$self._async_import_cache0$_importers.length === 0;
  	              else
  	                t1 = false;
  	              if (t1)
  	                throw A.wrapException(string$.Customi);
  	              $async$goto = baseImporter != null && url.get$scheme() === "" ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              resolvedUrl = baseUrl == null ? null : baseUrl.resolveUri$1(url);
  	              if (resolvedUrl == null)
  	                resolvedUrl = url;
  	              key = new A._Record_3_forImport(baseImporter, resolvedUrl, forImport);
  	              $async$goto = 5;
  	              return A._asyncAwait(A.putIfAbsentAsync0($async$self._async_import_cache0$_perImporterCanonicalizeCache, key, new A.AsyncImportCache_canonicalize_closure0($async$self, baseImporter, resolvedUrl, baseUrl, forImport, key, url), type$.Record_3_AsyncImporter_and_Uri_and_bool_forImport_2, type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2), $async$canonicalize$4$baseImporter$baseUrl$forImport);
  	            case 5:
  	              // returning from await.
  	              relativeResult = $async$result;
  	              if (relativeResult != null) {
  	                $async$returnValue = relativeResult;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // join
  	              key = new A._Record_2_forImport(url, forImport);
  	              t1 = $async$self._async_import_cache0$_canonicalizeCache;
  	              if (t1.containsKey$1(key)) {
  	                $async$returnValue = t1.$index(0, key);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t2 = $async$self._async_import_cache0$_importers, t3 = type$.Record_1_nullable_Object, t4 = $async$self._async_import_cache0$_perImporterCanonicalizeCache, t5 = type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2, t6 = type$.Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2, cacheable = true, i = 0;
  	            case 6:
  	              // for condition
  	              if (!(i < t2.length)) {
  	                // goto after for
  	                $async$goto = 8;
  	                break;
  	              }
  	              importer = t2[i];
  	              perImporterKey = new A._Record_3_forImport(importer, url, forImport);
  	              if (t4.containsKey$1(perImporterKey)) {
  	                t7 = t4.$index(0, perImporterKey);
  	                _1_0 = new A._Record_1(t7 == null ? t5._as(t7) : t7);
  	              } else
  	                _1_0 = null;
  	              _1_2_isSet = t3._is(_1_0);
  	              result = null;
  	              if (_1_2_isSet) {
  	                _1_2 = _1_0._0;
  	                t7 = _1_2 != null;
  	                if (t7) {
  	                  t6._as(_1_2);
  	                  result = _1_2;
  	                }
  	              } else {
  	                _1_2 = null;
  	                t7 = false;
  	              }
  	              if (t7) {
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (_1_2_isSet)
  	                t7 = _1_2 == null;
  	              else
  	                t7 = false;
  	              if (t7) {
  	                // goto for update
  	                $async$goto = 7;
  	                break;
  	              }
  	              $async$goto = 10;
  	              return A._asyncAwait($async$self._async_import_cache0$_canonicalize$4(importer, url, baseUrl, forImport), $async$canonicalize$4$baseImporter$baseUrl$forImport);
  	            case 10:
  	              // returning from await.
  	              _2_0 = $async$result;
  	              _2_1 = _2_0._0;
  	              _2_5_isSet = _2_1 != null;
  	              _2_5 = null;
  	              _2_3 = null;
  	              t7 = false;
  	              if (_2_5_isSet) {
  	                result = _2_1 == null ? t6._as(_2_1) : _2_1;
  	                _2_3 = _2_0._1;
  	                t7 = _2_3;
  	                _2_5 = t7;
  	                t7 = t7 && cacheable;
  	              } else
  	                result = null;
  	              if (t7) {
  	                t1.$indexSet(0, key, result);
  	                $async$returnValue = result;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              if (_2_5_isSet) {
  	                t7 = _2_5;
  	                _2_3_isSet = _2_5_isSet;
  	              } else {
  	                _2_3 = _2_0._1;
  	                t7 = _2_3;
  	                _2_3_isSet = true;
  	              }
  	              t7 = t7 && !cacheable;
  	              if (t7) {
  	                t4.$indexSet(0, perImporterKey, _2_1);
  	                if (_2_1 != null) {
  	                  $async$returnValue = _2_1;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	                // goto break $label0$1
  	                $async$goto = 9;
  	                break;
  	              }
  	              t7 = false === (_2_3_isSet ? _2_3 : _2_0._1);
  	              if (t7) {
  	                if (cacheable) {
  	                  for (j = 0; j < i; ++j)
  	                    t4.$indexSet(0, new A._Record_3_forImport(t2[j], url, forImport), null);
  	                  cacheable = false;
  	                }
  	                if (_2_1 != null) {
  	                  $async$returnValue = _2_1;
  	                  // goto return
  	                  $async$goto = 1;
  	                  break;
  	                }
  	              }
  	            case 9:
  	              // break $label0$1
  	            case 7:
  	              // for update
  	              ++i;
  	              // goto for condition
  	              $async$goto = 6;
  	              break;
  	            case 8:
  	              // after for
  	              if (cacheable)
  	                t1.$indexSet(0, key, null);
  	              $async$returnValue = null;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$canonicalize$4$baseImporter$baseUrl$forImport, $async$completer);
  	    },
  	    _async_import_cache0$_canonicalize$4(importer, url, baseUrl, forImport) {
  	      return this._canonicalize$body$AsyncImportCache0(importer, url, baseUrl, forImport);
  	    },
  	    _canonicalize$body$AsyncImportCache0(importer, url, baseUrl, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Record_2_nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_and_bool_2),
  	        $async$returnValue, t1, passContainingUrl, canonicalizeContext, result, cacheable;
  	      var $async$_async_import_cache0$_canonicalize$4 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = baseUrl != null ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = url.get$scheme() !== "" ? 6 : 8;
  	              break;
  	            case 6:
  	              // then
  	              t1 = A._Future$value(importer.isNonCanonicalScheme$1(url.get$scheme()), type$.bool);
  	              $async$goto = 9;
  	              return A._asyncAwait(t1, $async$_async_import_cache0$_canonicalize$4);
  	            case 9:
  	              // returning from await.
  	              t1 = $async$result;
  	              passContainingUrl = t1;
  	              // goto join
  	              $async$goto = 7;
  	              break;
  	            case 8:
  	              // else
  	              passContainingUrl = true;
  	            case 7:
  	              // join
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              passContainingUrl = false;
  	            case 4:
  	              // join
  	              canonicalizeContext = new A.CanonicalizeContext0(forImport, passContainingUrl ? baseUrl : null);
  	              t1 = type$.nullable_Object;
  	              t1 = A.runZoned(new A.AsyncImportCache__canonicalize_closure0(importer, url), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__canonicalizeContext, canonicalizeContext], t1, t1), type$.FutureOr_nullable_Uri);
  	              $async$goto = 10;
  	              return A._asyncAwait(type$.Future_nullable_Uri._is(t1) ? t1 : A._Future$value(t1, type$.nullable_Uri), $async$_async_import_cache0$_canonicalize$4);
  	            case 10:
  	              // returning from await.
  	              result = $async$result;
  	              cacheable = !passContainingUrl || !canonicalizeContext._canonicalize_context$_wasContainingUrlAccessed;
  	              if (result == null) {
  	                $async$returnValue = new A._Record_2(null, cacheable);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              $async$goto = result.get$scheme() !== "" ? 11 : 13;
  	              break;
  	            case 11:
  	              // then
  	              t1 = A._Future$value(importer.isNonCanonicalScheme$1(result.get$scheme()), type$.bool);
  	              $async$goto = 14;
  	              return A._asyncAwait(t1, $async$_async_import_cache0$_canonicalize$4);
  	            case 14:
  	              // returning from await.
  	              t1 = $async$result;
  	              // goto join
  	              $async$goto = 12;
  	              break;
  	            case 13:
  	              // else
  	              t1 = false;
  	            case 12:
  	              // join
  	              if (t1)
  	                throw A.wrapException("Importer " + importer.toString$0(0) + " canonicalized " + url.toString$0(0) + " to " + result.toString$0(0) + string$.x2c_whicu);
  	              $async$returnValue = new A._Record_2(new A._Record_3_originalUrl(importer, result, url), cacheable);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_async_import_cache0$_canonicalize$4, $async$completer);
  	    },
  	    importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl) {
  	      return this.importCanonical$body$AsyncImportCache0(importer, canonicalUrl, originalUrl);
  	    },
  	    importCanonical$body$AsyncImportCache0(importer, canonicalUrl, originalUrl) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Stylesheet_2),
  	        $async$returnValue, $async$self = this;
  	      var $async$importCanonical$3$originalUrl = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$goto = 3;
  	              return A._asyncAwait(A.putIfAbsentAsync0($async$self._async_import_cache0$_importCache, canonicalUrl, new A.AsyncImportCache_importCanonical_closure0($async$self, importer, canonicalUrl, originalUrl), type$.Uri, type$.nullable_Stylesheet_2), $async$importCanonical$3$originalUrl);
  	            case 3:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$importCanonical$3$originalUrl, $async$completer);
  	    },
  	    humanize$1(canonicalUrl) {
  	      var t1 = this._async_import_cache0$_canonicalizeCache,
  	        t2 = type$.NonNullsIterable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2;
  	      t2 = A.NullableExtension_andThen0(A.minBy(new A.MappedIterable(new A.WhereIterable(new A.NonNullsIterable(new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>")), t2), new A.AsyncImportCache_humanize_closure3(canonicalUrl), t2._eval$1("WhereIterable<Iterable.E>")), new A.AsyncImportCache_humanize_closure4(), t2._eval$1("MappedIterable<Iterable.E,Uri>")), new A.AsyncImportCache_humanize_closure5()), new A.AsyncImportCache_humanize_closure6(canonicalUrl));
  	      return t2 == null ? canonicalUrl : t2;
  	    },
  	    sourceMapUrl$1(_, canonicalUrl) {
  	      var t1 = this._async_import_cache0$_resultsCache.$index(0, canonicalUrl);
  	      t1 = t1 == null ? null : t1.get$sourceMapUrl(0);
  	      return t1 == null ? canonicalUrl : t1;
  	    }
  	  };
  	  A.AsyncImportCache_canonicalize_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2),
  	        $async$returnValue, $async$self = this, t1, t2, _0_0, result;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.$this;
  	              t2 = $async$self.baseUrl;
  	              $async$goto = 3;
  	              return A._asyncAwait(t1._async_import_cache0$_canonicalize$4($async$self.baseImporter, $async$self.resolvedUrl, t2, $async$self.forImport), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              result = _0_0._0;
  	              _0_0._1;
  	              if (t2 != null)
  	                t1._async_import_cache0$_nonCanonicalRelativeUrls.$indexSet(0, $async$self.key, $async$self.url);
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 368
  	  };
  	  A.AsyncImportCache__canonicalize_closure0.prototype = {
  	    call$0() {
  	      return this.importer.canonicalize$1(0, this.url);
  	    },
  	    $signature: 182
  	  };
  	  A.AsyncImportCache_importCanonical_closure0.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Stylesheet_2),
  	        $async$returnValue, $async$self = this, t1, t2, t3, result;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = Date.now();
  	              t2 = $async$self.canonicalUrl;
  	              t3 = $async$self.importer.load$1(0, t2);
  	              $async$goto = 3;
  	              return A._asyncAwait(type$.Future_nullable_ImporterResult._is(t3) ? t3 : A._Future$value(t3, type$.nullable_ImporterResult_2), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              if (result == null) {
  	                $async$returnValue = null;
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t3 = $async$self.$this;
  	              t3._async_import_cache0$_loadTimes.$indexSet(0, t2, new A.DateTime(t1, 0, false));
  	              t3._async_import_cache0$_resultsCache.$indexSet(0, t2, result);
  	              t3 = result.contents;
  	              t1 = result.syntax;
  	              t2 = $async$self.originalUrl.resolveUri$1(t2);
  	              $async$returnValue = A.Stylesheet_Stylesheet$parse0(t3, t1, false, t2);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 369
  	  };
  	  A.AsyncImportCache_humanize_closure3.prototype = {
  	    call$1(result) {
  	      return result._1.$eq(0, this.canonicalUrl);
  	    },
  	    $signature: 370
  	  };
  	  A.AsyncImportCache_humanize_closure4.prototype = {
  	    call$1(result) {
  	      return result._2;
  	    },
  	    $signature: 371
  	  };
  	  A.AsyncImportCache_humanize_closure5.prototype = {
  	    call$1(url) {
  	      return url.get$path(url).length;
  	    },
  	    $signature: 107
  	  };
  	  A.AsyncImportCache_humanize_closure6.prototype = {
  	    call$1(url) {
  	      var t1 = $.$get$url(),
  	        t2 = this.canonicalUrl;
  	      return url.resolve$1(0, A.ParsedPath_ParsedPath$parse(t2.get$path(t2), t1.style).get$basename());
  	    },
  	    $signature: 49
  	  };
  	  A.AtRootQueryParser0.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.AtRootQueryParser_parse_closure0(this));
  	    }
  	  };
  	  A.AtRootQueryParser_parse_closure0.prototype = {
  	    call$0() {
  	      var include, atRules,
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      t2.expectChar$1(40);
  	      t1.whitespace$1$consumeNewlines(true);
  	      include = t1.scanIdentifier$1("with");
  	      if (!include)
  	        t1.expectIdentifier$2$name("without", '"with" or "without"');
  	      t1.whitespace$1$consumeNewlines(true);
  	      t2.expectChar$1(58);
  	      t1.whitespace$1$consumeNewlines(true);
  	      atRules = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      do {
  	        atRules.add$1(0, t1.identifier$0().toLowerCase());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t1.lookingAtIdentifier$0());
  	      t2.expectChar$1(41);
  	      t2.expectDone$0();
  	      return new A.AtRootQuery0(include, atRules, atRules.contains$1(0, "all"), atRules.contains$1(0, "rule"));
  	    },
  	    $signature: 372
  	  };
  	  A.AtRootQuery0.prototype = {
  	    excludes$1(node) {
  	      var t1, _this = this;
  	      if (_this._at_root_query0$_all)
  	        return !_this.include;
  	      $label0$0: {
  	        if (node instanceof A.ModifiableCssStyleRule0) {
  	          t1 = _this._at_root_query0$_rule !== _this.include;
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssMediaRule0) {
  	          t1 = _this.excludesName$1("media");
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssSupportsRule0) {
  	          t1 = _this.excludesName$1("supports");
  	          break $label0$0;
  	        }
  	        if (node instanceof A.ModifiableCssAtRule0) {
  	          t1 = _this.excludesName$1(node.name.value.toLowerCase());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    excludesName$1($name) {
  	      var t1 = this._at_root_query0$_all || this.names.contains$1(0, $name);
  	      return t1 !== this.include;
  	    }
  	  };
  	  A.AtRootRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAtRootRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var buffer = new A.StringBuffer("@at-root "),
  	        t1 = this.query;
  	      if (t1 != null)
  	        buffer._contents = "@at-root " + (t1.toString$0(0) + " ");
  	      return buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssAtRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssAtRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.ModifiableCssAtRule0) {
  	        t1 = this.name;
  	        t2 = other.name;
  	        t1 = t1.$ti._is(t2) && J.$eq$(t2.value, t1.value) && J.$eq$(this.value, other.value) && this.isChildless === other.isChildless;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      var _this = this;
  	      return A.ModifiableCssAtRule$0(_this.name, _this.span, _this.isChildless, _this.value);
  	    },
  	    addChild$1(child) {
  	      this.super$ModifiableCssParentNode$addChild0(child);
  	    },
  	    get$isChildless() {
  	      return this.isChildless;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.AtRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAtRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var children,
  	        t1 = "@" + this.name.toString$0(0),
  	        buffer = new A.StringBuffer(t1),
  	        t2 = this.value;
  	      if (t2 != null)
  	        buffer._contents = t1 + (" " + t2.toString$0(0));
  	      children = this.children;
  	      return children == null ? buffer.toString$0(0) + ";" : buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.InterpolatedAttributeSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return J.visitAttributeSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        result = "[" + _this.name.toString$0(0),
  	        t1 = _this.op;
  	      if (t1 != null) {
  	        result += t1.toString$0(0) + A.S(_this.value);
  	        t1 = _this.modifier;
  	        if (t1 != null)
  	          result += " " + t1.toString$0(0);
  	      }
  	      return result;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.AttributeSelector0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitAttributeSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A.AttributeSelector0 && other.name.$eq(0, _this.name) && other.op == _this.op && other.value == _this.value && other.modifier == _this.modifier;
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.name;
  	      return (B.JSString_methods.get$hashCode(t1.name) ^ J.get$hashCode$(t1.namespace) ^ J.get$hashCode$(_this.op) ^ J.get$hashCode$(_this.value) ^ J.get$hashCode$(_this.modifier)) >>> 0;
  	    }
  	  };
  	  A.AttributeOperator0.prototype = {
  	    _enumToString$0() {
  	      return "AttributeOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._attribute0$_text;
  	    }
  	  };
  	  A.BinaryOperationExpression0.prototype = {
  	    get$span(_) {
  	      var right,
  	        left = this.left;
  	      while (left instanceof A.BinaryOperationExpression0)
  	        left = left.left;
  	      right = this.right;
  	      while (right instanceof A.BinaryOperationExpression0)
  	        right = right.right;
  	      return left.get$span(left).expand$1(0, right.get$span(right));
  	    },
  	    get$operatorSpan() {
  	      var t3, t4,
  	        t1 = this.left,
  	        t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = this.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 === t4.get$file(t4)) {
  	        t2 = t1.get$span(t1);
  	        t2 = t2.get$end(t2);
  	        t4 = t3.get$span(t3);
  	        t4 = t2.offset < t4.get$start(t4).offset;
  	        t2 = t4;
  	      } else
  	        t2 = false;
  	      if (t2) {
  	        t2 = t1.get$span(t1);
  	        t2 = t2.get$file(t2);
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$end(t1);
  	        t3 = t3.get$span(t3);
  	        t3 = A.SpanExtensions_trimRight0(A.SpanExtensions_trimLeft0(t2.span$2(0, t1.offset, t3.get$start(t3).offset)));
  	        t1 = t3;
  	      } else
  	        t1 = this.get$span(0);
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitBinaryOperationExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1, t2, t3, right, operator, _this = this,
  	        _0_0 = _this.left;
  	      $label0$0: {
  	        if (_0_0 instanceof A.BinaryOperationExpression0) {
  	          t1 = _0_0.operator.precedence < _this.operator.precedence;
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.ListExpression0 && !_0_0.hasBrackets && _0_0.contents.length >= 2) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      t2 = t1 ? A.Primitives_stringFromCharCode(40) : "";
  	      t2 += _0_0.toString$0(0);
  	      t1 = t1 ? t2 + A.Primitives_stringFromCharCode(41) : t2;
  	      t2 = A.Primitives_stringFromCharCode(32);
  	      t3 = _this.operator;
  	      t2 = t1 + t2 + t3.operator + t2;
  	      right = _this.right;
  	      $label1$1: {
  	        t1 = false;
  	        if (right instanceof A.BinaryOperationExpression0) {
  	          operator = right.operator;
  	          if (operator.precedence <= t3.precedence)
  	            t1 = !(operator === t3 && operator.isAssociative);
  	          break $label1$1;
  	        }
  	        if (right instanceof A.ListExpression0 && !right.hasBrackets && right.contents.length >= 2) {
  	          t1 = true;
  	          break $label1$1;
  	        }
  	        break $label1$1;
  	      }
  	      if (t1)
  	        t2 += A.Primitives_stringFromCharCode(40);
  	      t2 += right.toString$0(0);
  	      t1 = t1 ? t2 + A.Primitives_stringFromCharCode(41) : t2;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.BinaryOperator0.prototype = {
  	    _enumToString$0() {
  	      return "BinaryOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.BooleanExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitBooleanExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return String(this.value);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.booleanClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassBoolean", new A.booleanClass__closure()));
  	      A.JSClassExtension_injectSuperclass(t1._as(B.SassBoolean_true0.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.booleanClass__closure.prototype = {
  	    call$2($self, _) {
  	      A.jsThrow(new self.Error("new sass.SassBoolean() isn't allowed.\nUse sass.sassTrue or sass.sassFalse instead."));
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 223
  	  };
  	  A.legacyBooleanClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.types.Boolean", new A.legacyBooleanClass__closure()));
  	      J.get$$prototype$x(jsClass).getValue = A.allowInteropCaptureThisNamed("getValue", new A.legacyBooleanClass__closure0());
  	      jsClass.TRUE = B.SassBoolean_true0;
  	      jsClass.FALSE = B.SassBoolean_false0;
  	      A.JSClassExtension_injectSuperclass(t1._as(B.SassBoolean_true0.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.legacyBooleanClass__closure.prototype = {
  	    call$2(_, __) {
  	      throw A.wrapException("new sass.types.Boolean() isn't allowed.\nUse sass.types.Boolean.TRUE or sass.types.Boolean.FALSE instead.");
  	    },
  	    call$1(_) {
  	      return this.call$2(_, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 224
  	  };
  	  A.legacyBooleanClass__closure0.prototype = {
  	    call$1($self) {
  	      return $self === B.SassBoolean_true0;
  	    },
  	    $signature: 73
  	  };
  	  A.SassBoolean0.prototype = {
  	    get$isTruthy() {
  	      return this.value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor._serialize0$_buffer.write$1(0, String(this.value));
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertBoolean$1($name) {
  	      return this;
  	    },
  	    unaryNot$0() {
  	      return this.value ? B.SassBoolean_false0 : B.SassBoolean_true0;
  	    }
  	  };
  	  A.BooleanOperator0.prototype = {
  	    _enumToString$0() {
  	      return "BooleanOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._name;
  	    }
  	  };
  	  A.Box0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return this.$ti._is(other) && other._box0$_inner === this._box0$_inner;
  	    },
  	    get$hashCode(_) {
  	      return A.Primitives_objectHashCode(this._box0$_inner);
  	    },
  	    toString$0(_) {
  	      return "<box: " + this._box0$_inner.value.toString$0(0) + ">";
  	    }
  	  };
  	  A.ModifiableBox0.prototype = {
  	    toString$0(_) {
  	      return "<modifiable box: " + this.value.toString$0(0) + ">";
  	    }
  	  };
  	  A.BuiltInCallable0.prototype = {
  	    callbackFor$2(positional, names) {
  	      var t1, t2, fuzzyMatch, minMismatchDistance, _i, overload, t3, mismatchDistance, t4;
  	      for (t1 = this._built_in$_overloads, t2 = t1.length, fuzzyMatch = null, minMismatchDistance = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        overload = t1[_i];
  	        t3 = overload._0;
  	        if (t3.matches$2(positional, names))
  	          return overload;
  	        mismatchDistance = t3.parameters.length - positional;
  	        if (minMismatchDistance != null) {
  	          t3 = Math.abs(mismatchDistance);
  	          t4 = Math.abs(minMismatchDistance);
  	          if (t3 > t4)
  	            continue;
  	          if (t3 === t4 && mismatchDistance < 0)
  	            continue;
  	        }
  	        minMismatchDistance = mismatchDistance;
  	        fuzzyMatch = overload;
  	      }
  	      if (fuzzyMatch != null)
  	        return fuzzyMatch;
  	      throw A.wrapException(A.StateError$("BuiltInCallable " + this.name + " may not have empty overloads."));
  	    },
  	    withName$1($name) {
  	      return new A.BuiltInCallable0($name, this._built_in$_overloads, this.acceptsContent);
  	    },
  	    withDeprecationWarning$2(module, newName) {
  	      var t2, t3, _i, t4, t5, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2);
  	      for (t2 = _this._built_in$_overloads, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = {};
  	        t5 = t2[_i];
  	        t4.$function = null;
  	        t4.$function = t5._1;
  	        t1.push(new A._Record_2(t5._0, new A.BuiltInCallable_withDeprecationWarning_closure0(t4, _this, module, newName)));
  	      }
  	      return new A.BuiltInCallable0(_this.name, t1, _this.acceptsContent);
  	    },
  	    withDeprecationWarning$1(module) {
  	      return this.withDeprecationWarning$2(module, null);
  	    },
  	    $isAsyncCallable0: 1,
  	    $isAsyncBuiltInCallable0: 1,
  	    $isCallable: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    },
  	    get$acceptsContent() {
  	      return this.acceptsContent;
  	    }
  	  };
  	  A.BuiltInCallable$mixin_closure0.prototype = {
  	    call$1($arguments) {
  	      this.callback.call$1($arguments);
  	      return B.C__SassNull0;
  	    },
  	    $signature: 3
  	  };
  	  A.BuiltInCallable_withDeprecationWarning_closure0.prototype = {
  	    call$1(args) {
  	      var _this = this,
  	        t1 = _this.newName;
  	      if (t1 == null)
  	        t1 = _this.$this.name;
  	      A.warnForDeprecation0(string$.Global + _this.module + "." + t1 + string$.x20inste, B.Deprecation_SGB);
  	      return _this._box_0.$function.call$1(args);
  	    },
  	    $signature: 3
  	  };
  	  A.BuiltInModule0.prototype = {
  	    get$upstream() {
  	      return B.List_empty22;
  	    },
  	    get$variableNodes() {
  	      return B.Map_empty13;
  	    },
  	    get$extensionStore() {
  	      return B.C_EmptyExtensionStore0;
  	    },
  	    get$css(_) {
  	      return new A.CssStylesheet0(B.List_empty20, A.SourceFile$decoded(B.List_empty4, this.url).span$2(0, 0, 0));
  	    },
  	    get$preModuleComments() {
  	      return B.Map_empty12;
  	    },
  	    get$transitivelyContainsCss() {
  	      return false;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return false;
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      if (!this.variables.containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$0("Undefined variable.", null));
  	      throw A.wrapException(A.SassScriptException$0("Cannot modify built-in variable.", null));
  	    },
  	    variableIdentity$1($name) {
  	      return this;
  	    },
  	    couldHaveBeenConfigured$1(_) {
  	      return false;
  	    },
  	    cloneCss$0() {
  	      return this;
  	    },
  	    $isModule1: 1,
  	    get$url(receiver) {
  	      return this.url;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    }
  	  };
  	  A.calculationClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassCalculation", new A.calculationClass__closure())),
  	        t2 = type$.String,
  	        t3 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["calc", new A.calculationClass__closure0(), "min", new A.calculationClass__closure1(), "max", new A.calculationClass__closure2(), "clamp", new A.calculationClass__closure3()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineStaticMethod(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["assertCalculation", new A.calculationClass__closure4()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["arguments", new A.calculationClass__closure5()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.SassCalculation0("calc", A.List_List$unmodifiable(A._setArrayType([A.SassNumber_SassNumber0(1, null)], type$.JSArray_Object), type$.Object)).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.calculationClass__closure.prototype = {
  	    call$2($self, _) {
  	      A.jsThrow0(new self.Error("new sass.SassCalculation() isn't allowed"));
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 223
  	  };
  	  A.calculationClass__closure0.prototype = {
  	    call$1(argument) {
  	      A._assertCalculationValue(argument);
  	      return new A.SassCalculation0("calc", A.List_List$unmodifiable(A._setArrayType([argument], type$.JSArray_Object), type$.Object));
  	    },
  	    $signature: 119
  	  };
  	  A.calculationClass__closure1.prototype = {
  	    call$1($arguments) {
  	      var t1 = self.immutable.isOrderedMap($arguments) ? J.toArray$0$x(type$.ImmutableList_2._as($arguments)) : type$.List_dynamic._as($arguments),
  	        t2 = type$.Object,
  	        argList = J.cast$1$0$ax(t1, t2);
  	      argList.forEach$1(argList, A.calculation1___assertCalculationValue$closure());
  	      return new A.SassCalculation0("min", A.List_List$unmodifiable(argList, t2));
  	    },
  	    $signature: 119
  	  };
  	  A.calculationClass__closure2.prototype = {
  	    call$1($arguments) {
  	      var t1 = self.immutable.isOrderedMap($arguments) ? J.toArray$0$x(type$.ImmutableList_2._as($arguments)) : type$.List_dynamic._as($arguments),
  	        t2 = type$.Object,
  	        argList = J.cast$1$0$ax(t1, t2);
  	      argList.forEach$1(argList, A.calculation1___assertCalculationValue$closure());
  	      return new A.SassCalculation0("max", A.List_List$unmodifiable(argList, t2));
  	    },
  	    $signature: 119
  	  };
  	  A.calculationClass__closure3.prototype = {
  	    call$3(min, value, max) {
  	      var t1;
  	      if (!(value == null && !A._isValidClampArg(min)))
  	        t1 = max == null && !B.JSArray_methods.any$1([min, value], A.calculation1___isValidClampArg$closure());
  	      else
  	        t1 = true;
  	      if (t1)
  	        A.jsThrow0(new self.Error("Expected at least one SassString or CalculationInterpolation in `" + new A.NonNullsIterable([min, value, max], type$.NonNullsIterable_Object).toString$0(0) + "`"));
  	      t1 = type$.NonNullsIterable_Object;
  	      new A.NonNullsIterable([min, value, max], t1).forEach$1(0, A.calculation1___assertCalculationValue$closure());
  	      return new A.SassCalculation0("clamp", A.List_List$unmodifiable(new A.NonNullsIterable([min, value, max], t1), type$.Object));
  	    },
  	    call$1(min) {
  	      return this.call$3(min, null, null);
  	    },
  	    call$2(min, value) {
  	      return this.call$3(min, value, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 377
  	  };
  	  A.calculationClass__closure4.prototype = {
  	    call$2($self, $name) {
  	      return $self;
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 378
  	  };
  	  A.calculationClass__closure5.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.$arguments);
  	    },
  	    $signature: 379
  	  };
  	  A.calculationOperationClass_closure.prototype = {
  	    call$0() {
  	      var _null = null,
  	        t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.CalculationOperation", new A.calculationOperationClass__closure())),
  	        t2 = type$.String,
  	        t3 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["equals", new A.calculationOperationClass__closure0(), "hashCode", new A.calculationOperationClass__closure1()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["operator", new A.calculationOperationClass__closure2(), "left", new A.calculationOperationClass__closure3(), "right", new A.calculationOperationClass__closure4()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(A.SassCalculation_operateInternal0(B.CalculationOperator_dpX0, A.SassNumber_SassNumber0(1, _null), A.SassNumber_SassNumber0(1, _null), _null, false, _null).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.calculationOperationClass__closure.prototype = {
  	    call$4($self, strOperator, left, right) {
  	      var operator = A.IterableExtension_firstWhereOrNull(B.List_UqK, new A.calculationOperationClass___closure(strOperator));
  	      if (operator == null)
  	        A.jsThrow0(new self.Error("Invalid operator: " + strOperator));
  	      A._assertCalculationValue(left);
  	      A._assertCalculationValue(right);
  	      return A.SassCalculation_operateInternal0(operator, left, right, null, false, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 4,
  	    $signature: 380
  	  };
  	  A.calculationOperationClass___closure.prototype = {
  	    call$1(value) {
  	      return value.operator === this.strOperator;
  	    },
  	    $signature: 381
  	  };
  	  A.calculationOperationClass__closure0.prototype = {
  	    call$2($self, other) {
  	      return $self.$eq(0, other);
  	    },
  	    $signature: 382
  	  };
  	  A.calculationOperationClass__closure1.prototype = {
  	    call$1($self) {
  	      return $self.get$hashCode(0);
  	    },
  	    $signature: 383
  	  };
  	  A.calculationOperationClass__closure2.prototype = {
  	    call$1($self) {
  	      return $self._calculation0$_operator.operator;
  	    },
  	    $signature: 384
  	  };
  	  A.calculationOperationClass__closure3.prototype = {
  	    call$1($self) {
  	      return $self._calculation0$_left;
  	    },
  	    $signature: 225
  	  };
  	  A.calculationOperationClass__closure4.prototype = {
  	    call$1($self) {
  	      return $self._calculation0$_right;
  	    },
  	    $signature: 225
  	  };
  	  A.calculationInterpolationClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.CalculationInterpolation", new A.calculationInterpolationClass__closure())),
  	        t2 = type$.String,
  	        t3 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["equals", new A.calculationInterpolationClass__closure0(), "hashCode", new A.calculationInterpolationClass__closure1()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["value", new A.calculationInterpolationClass__closure2()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.CalculationInterpolation("").constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.calculationInterpolationClass__closure.prototype = {
  	    call$2($self, value) {
  	      return new A.CalculationInterpolation(value);
  	    },
  	    $signature: 386
  	  };
  	  A.calculationInterpolationClass__closure0.prototype = {
  	    call$2($self, other) {
  	      return other instanceof A.CalculationInterpolation && $self._calculation0$_value === other._calculation0$_value;
  	    },
  	    $signature: 387
  	  };
  	  A.calculationInterpolationClass__closure1.prototype = {
  	    call$1($self) {
  	      return B.JSString_methods.get$hashCode($self._calculation0$_value);
  	    },
  	    $signature: 388
  	  };
  	  A.calculationInterpolationClass__closure2.prototype = {
  	    call$1($self) {
  	      return $self._calculation0$_value;
  	    },
  	    $signature: 389
  	  };
  	  A.SassCalculation0.prototype = {
  	    get$isSpecialNumber() {
  	      return true;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCalculation$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertCalculation$1($name) {
  	      return this;
  	    },
  	    plus$1(other) {
  	      if (other instanceof A.SassString0)
  	        return this.super$Value$plus0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    unaryPlus$0() {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "+' + this.toString$0(0) + '".', null));
  	    },
  	    unaryMinus$0() {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "-' + this.toString$0(0) + '".', null));
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassCalculation0 && this.name === other.name && B.C_ListEquality.equals$2(0, this.$arguments, other.$arguments);
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name) ^ B.C_ListEquality0.hash$1(this.$arguments);
  	    }
  	  };
  	  A.SassCalculation__verifyLength_closure0.prototype = {
  	    call$1(arg) {
  	      return arg instanceof A.SassString0;
  	    },
  	    $signature: 73
  	  };
  	  A.CalculationOperation0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CalculationOperation0 && this._calculation0$_operator === other._calculation0$_operator && J.$eq$(this._calculation0$_left, other._calculation0$_left) && J.$eq$(this._calculation0$_right, other._calculation0$_right);
  	    },
  	    get$hashCode(_) {
  	      return (A.Primitives_objectHashCode(this._calculation0$_operator) ^ J.get$hashCode$(this._calculation0$_left) ^ J.get$hashCode$(this._calculation0$_right)) >>> 0;
  	    },
  	    toString$0(_) {
  	      var parenthesized = A.serializeValue0(new A.SassCalculation0("", A._setArrayType([this], type$.JSArray_Object)), true, true);
  	      return B.JSString_methods.substring$2(parenthesized, 1, parenthesized.length - 1);
  	    }
  	  };
  	  A.CalculationOperator0.prototype = {
  	    _enumToString$0() {
  	      return "CalculationOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.CalculationInterpolation.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CalculationInterpolation && this._calculation0$_value === other._calculation0$_value;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this._calculation0$_value);
  	    },
  	    toString$0(_) {
  	      return this._calculation0$_value;
  	    }
  	  };
  	  A.CallableDeclaration0.prototype = {
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.updateCanonicalizeContextPrototype_closure.prototype = {
  	    call$1($self) {
  	      return $self._canonicalize_context$_fromImport;
  	    },
  	    $signature: 390
  	  };
  	  A.updateCanonicalizeContextPrototype_closure0.prototype = {
  	    call$1($self) {
  	      $self._canonicalize_context$_wasContainingUrlAccessed = true;
  	      return A.NullableExtension_andThen0($self._canonicalize_context$_containingUrl, A.utils3__dartToJSUrl$closure());
  	    },
  	    $signature: 391
  	  };
  	  A.CanonicalizeContext0.prototype = {
  	    withFromImport$1$2(fromImport, callback) {
  	      var t1,
  	        oldFromImport = this._canonicalize_context$_fromImport;
  	      this._canonicalize_context$_fromImport = true;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        this._canonicalize_context$_fromImport = oldFromImport;
  	      }
  	    },
  	    withFromImport$2(fromImport, callback) {
  	      return this.withFromImport$1$2(fromImport, callback, type$.dynamic);
  	    }
  	  };
  	  A.ColorChannel0.prototype = {
  	    isAnalogous$1(other) {
  	      var _0_6_isSet, t1, _0_60, t2, _0_6_isSet0,
  	        _0_1 = this.name,
  	        _0_6 = other.name;
  	      $label0$0: {
  	        if ("red" !== _0_1)
  	          _0_6_isSet = "x" === _0_1;
  	        else
  	          _0_6_isSet = true;
  	        if (_0_6_isSet) {
  	          if ("red" !== _0_6)
  	            t1 = "x" === _0_6;
  	          else
  	            t1 = true;
  	          _0_60 = _0_6;
  	        } else {
  	          _0_60 = null;
  	          t1 = false;
  	        }
  	        t2 = true;
  	        if (!t1) {
  	          if ("green" !== _0_1)
  	            t1 = "y" === _0_1;
  	          else
  	            t1 = true;
  	          if (t1) {
  	            _0_6_isSet0 = true;
  	            if (_0_6_isSet)
  	              t1 = _0_60;
  	            else {
  	              t1 = _0_6;
  	              _0_6_isSet = _0_6_isSet0;
  	              _0_60 = t1;
  	            }
  	            if ("green" !== t1) {
  	              if (_0_6_isSet)
  	                t1 = _0_60;
  	              else {
  	                t1 = _0_6;
  	                _0_6_isSet = _0_6_isSet0;
  	                _0_60 = t1;
  	              }
  	              t1 = "y" === t1;
  	            } else
  	              t1 = true;
  	          } else
  	            t1 = false;
  	          if (!t1) {
  	            if ("blue" !== _0_1)
  	              t1 = "z" === _0_1;
  	            else
  	              t1 = true;
  	            if (t1) {
  	              _0_6_isSet0 = true;
  	              if (_0_6_isSet)
  	                t1 = _0_60;
  	              else {
  	                t1 = _0_6;
  	                _0_6_isSet = _0_6_isSet0;
  	                _0_60 = t1;
  	              }
  	              if ("blue" !== t1) {
  	                if (_0_6_isSet)
  	                  t1 = _0_60;
  	                else {
  	                  t1 = _0_6;
  	                  _0_6_isSet = _0_6_isSet0;
  	                  _0_60 = t1;
  	                }
  	                t1 = "z" === t1;
  	              } else
  	                t1 = true;
  	            } else
  	              t1 = false;
  	            if (!t1) {
  	              if ("chroma" !== _0_1)
  	                t1 = "saturation" === _0_1;
  	              else
  	                t1 = true;
  	              if (t1) {
  	                _0_6_isSet0 = true;
  	                if (_0_6_isSet)
  	                  t1 = _0_60;
  	                else {
  	                  t1 = _0_6;
  	                  _0_6_isSet = _0_6_isSet0;
  	                  _0_60 = t1;
  	                }
  	                if ("chroma" !== t1) {
  	                  if (_0_6_isSet)
  	                    t1 = _0_60;
  	                  else {
  	                    t1 = _0_6;
  	                    _0_6_isSet = _0_6_isSet0;
  	                    _0_60 = t1;
  	                  }
  	                  t1 = "saturation" === t1;
  	                } else
  	                  t1 = true;
  	              } else
  	                t1 = false;
  	              if (!t1) {
  	                if ("lightness" === _0_1) {
  	                  if (_0_6_isSet)
  	                    t1 = _0_60;
  	                  else {
  	                    t1 = _0_6;
  	                    _0_60 = t1;
  	                    _0_6_isSet = true;
  	                  }
  	                  t1 = "lightness" === t1;
  	                } else
  	                  t1 = false;
  	                if (!t1)
  	                  if ("hue" === _0_1)
  	                    t1 = "hue" === (_0_6_isSet ? _0_60 : _0_6);
  	                  else
  	                    t1 = false;
  	                else
  	                  t1 = t2;
  	              } else
  	                t1 = t2;
  	            } else
  	              t1 = t2;
  	          } else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.LinearChannel0.prototype = {};
  	  A.Chokidar0.prototype = {};
  	  A.ChokidarOptions0.prototype = {};
  	  A.ChokidarWatcher0.prototype = {};
  	  A.InterpolatedClassSelector.prototype = {
  	    get$span(_) {
  	      var t1 = this.name.span;
  	      return t1.get$file(t1).span$2(0, t1.get$start(t1).offset - 1, t1.get$end(t1).offset);
  	    },
  	    accept$1$1(visitor) {
  	      return J.visitClassSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "." + this.name.toString$0(0);
  	    }
  	  };
  	  A.ClassSelector0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ClassSelector0 && other.name === this.name;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitClassSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.ClassSelector0(this.name + suffix, this.span);
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.ClipGamutMap0.prototype = {
  	    map$1(_, color) {
  	      var t1 = color._color0$_space,
  	        t2 = t1._space$_channels;
  	      return A.SassColor_SassColor$forSpaceInternal0(t1, this._clip$_clampChannel$2(color.channel0OrNull, t2[0]), this._clip$_clampChannel$2(color.channel1OrNull, t2[1]), this._clip$_clampChannel$2(color.channel2OrNull, t2[2]), color.alphaOrNull);
  	    },
  	    _clip$_clampChannel$2(value, channel) {
  	      var t1, min;
  	      if (value == null)
  	        t1 = null;
  	      else
  	        $label0$0: {
  	          if (channel instanceof A.LinearChannel0) {
  	            min = channel.min;
  	            t1 = isNaN(value) ? min : B.JSNumber_methods.clamp$2(value, min, channel.max);
  	            break $label0$0;
  	          }
  	          t1 = value;
  	          break $label0$0;
  	        }
  	      return t1;
  	    }
  	  };
  	  A._CloneCssVisitor0.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless,
  	        rule = A.ModifiableCssAtRule$0(node.name, node.span, t1, node.value);
  	      return t1 ? rule : this._clone_css$_visitChildren$2(rule, node);
  	    },
  	    visitCssComment$1(node) {
  	      return new A.ModifiableCssComment0(node.text, node.span);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return A.ModifiableCssDeclaration$0(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap);
  	    },
  	    visitCssImport$1(node) {
  	      return new A.ModifiableCssImport0(node.url, node.modifiers, node.span);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      return this._clone_css$_visitChildren$2(A.ModifiableCssKeyframeBlock$0(node.selector, node.span), node);
  	    },
  	    visitCssMediaRule$1(node) {
  	      return this._clone_css$_visitChildren$2(A.ModifiableCssMediaRule$0(node.queries, node.span), node);
  	    },
  	    visitCssStyleRule$1(node) {
  	      var _0_0 = this._clone_css$_oldToNewSelectors.$index(0, node._style_rule0$_selector._box0$_inner.value);
  	      if (_0_0 != null)
  	        return this._clone_css$_visitChildren$2(A.ModifiableCssStyleRule$0(_0_0, node.span, false, node.originalSelector), node);
  	      else
  	        throw A.wrapException(A.StateError$(string$.The_Ex));
  	    },
  	    visitCssStylesheet$1(node) {
  	      return this._clone_css$_visitChildren$2(A.ModifiableCssStylesheet$0(node.get$span(node)), node);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._clone_css$_visitChildren$2(A.ModifiableCssSupportsRule$0(node.condition, node.span), node);
  	    },
  	    _clone_css$_visitChildren$1$2(newParent, oldParent) {
  	      var t1, t2, newChild;
  	      for (t1 = J.get$iterator$ax(oldParent.get$children(oldParent)); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        newChild = t2.accept$1(this);
  	        newChild.isGroupEnd = t2.get$isGroupEnd();
  	        newParent.addChild$1(newChild);
  	      }
  	      return newParent;
  	    },
  	    _clone_css$_visitChildren$2(newParent, oldParent) {
  	      return this._clone_css$_visitChildren$1$2(newParent, oldParent, type$.ModifiableCssParentNode_2);
  	    }
  	  };
  	  A.ColorExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitColorExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue0(this.value, true, true);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.global_closure44.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "red"));
  	    },
  	    $signature: 39
  	  };
  	  A.global_closure45.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "green"));
  	    },
  	    $signature: 39
  	  };
  	  A.global_closure46.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "blue"));
  	    },
  	    $signature: 39
  	  };
  	  A.global_closure47.prototype = {
  	    call$1($arguments) {
  	      return A._rgb0("rgb", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure48.prototype = {
  	    call$1($arguments) {
  	      return A._rgb0("rgb", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure49.prototype = {
  	    call$1($arguments) {
  	      return A._rgbTwoArg0("rgb", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure50.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("rgb", J.$index$asx($arguments, 0), "channels", B.RgbColorSpace_i0P0);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure51.prototype = {
  	    call$1($arguments) {
  	      return A._rgb0("rgba", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure52.prototype = {
  	    call$1($arguments) {
  	      return A._rgb0("rgba", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure53.prototype = {
  	    call$1($arguments) {
  	      return A._rgbTwoArg0("rgba", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure54.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("rgba", J.$index$asx($arguments, 0), "channels", B.RgbColorSpace_i0P0);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure55.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (!(t1.$index($arguments, 0) instanceof A.SassNumber0) && !t1.$index($arguments, 0).get$isSpecialNumber())
  	        A.warnForDeprecation0(string$.Globalci, B.Deprecation_SGB);
  	      return A._invert0($arguments, true);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure56.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "hue");
  	    },
  	    $signature: 30
  	  };
  	  A.global_closure57.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "saturation");
  	    },
  	    $signature: 30
  	  };
  	  A.global_closure58.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "lightness");
  	    },
  	    $signature: 30
  	  };
  	  A.global_closure59.prototype = {
  	    call$1($arguments) {
  	      return A._hsl0("hsl", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure60.prototype = {
  	    call$1($arguments) {
  	      return A._hsl0("hsl", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure61.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).get$isSpecialVariable() || t1.$index($arguments, 1).get$isSpecialVariable())
  	        return A._functionString0("hsl", $arguments);
  	      else
  	        throw A.wrapException(A.SassScriptException$0("Missing argument $lightness.", null));
  	    },
  	    $signature: 18
  	  };
  	  A.global_closure62.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("hsl", J.$index$asx($arguments, 0), "channels", B.HslColorSpace_JQ20);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure63.prototype = {
  	    call$1($arguments) {
  	      return A._hsl0("hsla", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure64.prototype = {
  	    call$1($arguments) {
  	      return A._hsl0("hsla", $arguments);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure65.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).get$isSpecialVariable() || t1.$index($arguments, 1).get$isSpecialVariable())
  	        return A._functionString0("hsla", $arguments);
  	      else
  	        throw A.wrapException(A.SassScriptException$0("Missing argument $lightness.", null));
  	    },
  	    $signature: 18
  	  };
  	  A.global_closure66.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("hsla", J.$index$asx($arguments, 0), "channels", B.HslColorSpace_JQ20);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure67.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber0 || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString0("grayscale", $arguments);
  	      else {
  	        A.warnForDeprecation0(string$.Globalcg, B.Deprecation_SGB);
  	        return A._grayscale0(t1.$index($arguments, 0));
  	      }
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure68.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        degrees = A._angleValue0(t1.$index($arguments, 1), "degrees");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.adjusto, null));
  	      A.warnForDeprecation0(string$.adjustd + A.serializeValue0(A.SassNumber_SassNumber0(degrees, "deg"), false, true) + string$.x29x0a_Mor_, B.Deprecation_hJG);
  	      return color.changeHsl$1$hue(color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "hue") + degrees);
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure69.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s9_ = "lightness",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.lighte, null));
  	      t1 = color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, _s9_) + amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$lightness(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation0("lighten() is deprecated. " + A._suggestScaleAndAdjust0(color, amount._number1$_value, _s9_) + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure70.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s9_ = "lightness",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.darken, null));
  	      t1 = color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, _s9_) - amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$lightness(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation0("darken() is deprecated. " + A._suggestScaleAndAdjust0(color, -amount._number1$_value, _s9_) + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure71.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber0 || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString0("saturate", $arguments);
  	      return new A.SassString0("saturate(" + A.serializeValue0(t1.$index($arguments, 0).assertNumber$1("amount"), false, true) + ")", false);
  	    },
  	    $signature: 18
  	  };
  	  A.global_closure72.prototype = {
  	    call$1($arguments) {
  	      var t1, color, amount, result,
  	        _s10_ = "saturation";
  	      A.warnForDeprecation0(string$.Globalcad, B.Deprecation_SGB);
  	      t1 = J.getInterceptor$asx($arguments);
  	      color = t1.$index($arguments, 0).assertColor$1("color");
  	      amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.satura, null));
  	      t1 = color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, _s10_) + amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$saturation(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation0("saturate() is deprecated. " + A._suggestScaleAndAdjust0(color, amount._number1$_value, _s10_) + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure73.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _s10_ = "saturation",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        amount = t1.$index($arguments, 1).assertNumber$1("amount");
  	      if (!color._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.desatu, null));
  	      t1 = color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, _s10_) - amount.valueInRange$3(0, 100, "amount");
  	      result = color.changeHsl$1$saturation(isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 100));
  	      A.warnForDeprecation0("desaturate() is deprecated. " + A._suggestScaleAndAdjust0(color, -amount._number1$_value, _s10_) + string$.x0a_Morex3ac, B.Deprecation_hJG);
  	      return result;
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure74.prototype = {
  	    call$1($arguments) {
  	      return A._opacify0("opacify", $arguments);
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure75.prototype = {
  	    call$1($arguments) {
  	      return A._opacify0("fade-in", $arguments);
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure76.prototype = {
  	    call$1($arguments) {
  	      return A._transparentize0("transparentize", $arguments);
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure77.prototype = {
  	    call$1($arguments) {
  	      return A._transparentize0("fade-out", $arguments);
  	    },
  	    $signature: 26
  	  };
  	  A.global_closure78.prototype = {
  	    call$1($arguments) {
  	      var _0_0 = J.$index$asx($arguments, 0),
  	        t1 = false;
  	      if (_0_0 instanceof A.SassString0)
  	        if (!_0_0._string0$_hasQuotes)
  	          t1 = B.JSString_methods.contains$1(_0_0._string0$_text, $.$get$_microsoftFilterStart0());
  	      if (t1)
  	        return A._functionString0("alpha", $arguments);
  	      if (_0_0 instanceof A.SassColor0 && !_0_0._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.alpha_, null));
  	      A.warnForDeprecation0(string$.Globalcal, B.Deprecation_SGB);
  	      t1 = _0_0.assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber0(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure79.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        argList = J.$index$asx($arguments, 0).get$asList();
  	      if (argList.length !== 0 && B.JSArray_methods.every$1(argList, new A.global__closure0()))
  	        return A._functionString0("alpha", $arguments);
  	      t1 = argList.length;
  	      if (t1 === 0)
  	        throw A.wrapException(A.SassScriptException$0("Missing argument $color.", null));
  	      else
  	        throw A.wrapException(A.SassScriptException$0("Only 1 argument allowed, but " + t1 + " were passed.", null));
  	    },
  	    $signature: 18
  	  };
  	  A.global__closure0.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.SassString0 && !argument._string0$_hasQuotes && B.JSString_methods.contains$1(argument._string0$_text, $.$get$_microsoftFilterStart0());
  	    },
  	    $signature: 56
  	  };
  	  A.global_closure80.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber0 || t1.$index($arguments, 0).get$isSpecialNumber())
  	        return A._functionString0("opacity", $arguments);
  	      A.warnForDeprecation0(string$.Globalco, B.Deprecation_SGB);
  	      t1 = t1.$index($arguments, 0).assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber0(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure81.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("color", J.$index$asx($arguments, 0), "description", null);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure82.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("hwb", J.$index$asx($arguments, 0), "channels", B.HwbColorSpace_guQ0);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure83.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("lab", J.$index$asx($arguments, 0), "channels", B.LabColorSpace_2nT0);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure84.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("lch", J.$index$asx($arguments, 0), "channels", B.LchColorSpace_Bpv0);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure85.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("oklab", J.$index$asx($arguments, 0), "channels", B.OklabColorSpace_5400);
  	    },
  	    $signature: 3
  	  };
  	  A.global_closure86.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("oklch", J.$index$asx($arguments, 0), "channels", B.OklchColorSpace_9Gj0);
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure27.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "red"));
  	    },
  	    $signature: 39
  	  };
  	  A.module_closure28.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "green"));
  	    },
  	    $signature: 39
  	  };
  	  A.module_closure29.prototype = {
  	    call$1(color) {
  	      return B.JSNumber_methods.round$0(color._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "blue"));
  	    },
  	    $signature: 39
  	  };
  	  A.module_closure30.prototype = {
  	    call$1($arguments) {
  	      var result = A._invert0($arguments, false);
  	      if (result instanceof A.SassString0)
  	        A.warnForDeprecation0("Passing a number (" + J.$index$asx($arguments, 0).toString$0(0) + string$.x29x20to_cli + result.toString$0(0), B.Deprecation_mqF);
  	      return result;
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure31.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "hue");
  	    },
  	    $signature: 30
  	  };
  	  A.module_closure32.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "saturation");
  	    },
  	    $signature: 30
  	  };
  	  A.module_closure33.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "lightness");
  	    },
  	    $signature: 30
  	  };
  	  A.module_closure34.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber0) {
  	        result = A._functionString0("grayscale", t1.take$1($arguments, 1));
  	        A.warnForDeprecation0("Passing a number (" + t1.$index($arguments, 0).toString$0(0) + string$.x29x20to_clg + result.toString$0(0), B.Deprecation_mqF);
  	        return result;
  	      }
  	      return A._grayscale0(t1.$index($arguments, 0));
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure35.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        t2 = type$.JSArray_Value_2;
  	      return A._parseChannels0("hwb", A.SassList$0(A._setArrayType([A.SassList$0(A._setArrayType([t1.$index($arguments, 0), t1.$index($arguments, 1), t1.$index($arguments, 2)], t2), B.ListSeparator_SrV0, false), t1.$index($arguments, 3)], t2), B.ListSeparator_Lul0, false), null, B.HwbColorSpace_guQ0);
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure36.prototype = {
  	    call$1($arguments) {
  	      return A._parseChannels0("hwb", J.$index$asx($arguments, 0), "channels", B.HwbColorSpace_guQ0);
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure37.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HwbColorSpace_guQ0, "whiteness");
  	    },
  	    $signature: 30
  	  };
  	  A.module_closure38.prototype = {
  	    call$1(color) {
  	      return color._color0$_legacyChannel$2(B.HwbColorSpace_guQ0, "blackness");
  	    },
  	    $signature: 30
  	  };
  	  A.module_closure39.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        _0_0 = J.$index$asx($arguments, 0),
  	        t1 = false;
  	      if (_0_0 instanceof A.SassString0)
  	        if (!_0_0._string0$_hasQuotes)
  	          t1 = B.JSString_methods.contains$1(_0_0._string0$_text, $.$get$_microsoftFilterStart0());
  	      if (t1) {
  	        result = A._functionString0("alpha", $arguments);
  	        A.warnForDeprecation0(string$.Using_c + result.toString$0(0), B.Deprecation_mqF);
  	        return result;
  	      }
  	      if (_0_0 instanceof A.SassColor0 && !_0_0._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.color_a, null));
  	      t1 = _0_0.assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber0(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure40.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (B.JSArray_methods.every$1(t1.$index($arguments, 0).get$asList(), new A.module__closure6())) {
  	        result = A._functionString0("alpha", $arguments);
  	        A.warnForDeprecation0(string$.Using_c + result.toString$0(0), B.Deprecation_mqF);
  	        return result;
  	      }
  	      throw A.wrapException(A.SassScriptException$0("Only 1 argument allowed, but " + t1.get$length($arguments) + " were passed.", null));
  	    },
  	    $signature: 18
  	  };
  	  A.module__closure6.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.SassString0 && !argument._string0$_hasQuotes && B.JSString_methods.contains$1(argument._string0$_text, $.$get$_microsoftFilterStart0());
  	    },
  	    $signature: 56
  	  };
  	  A.module_closure41.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0) instanceof A.SassNumber0) {
  	        result = A._functionString0("opacity", $arguments);
  	        A.warnForDeprecation0("Passing a number (" + t1.$index($arguments, 0).toString$0(0) + string$.x20to_co + result.toString$0(0), B.Deprecation_mqF);
  	        return result;
  	      }
  	      t1 = t1.$index($arguments, 0).assertColor$1("color").alphaOrNull;
  	      return A.SassNumber_SassNumber0(t1 == null ? 0 : t1, null);
  	    },
  	    $signature: 3
  	  };
  	  A.module_closure42.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString0(J.get$first$ax($arguments).assertColor$1("color")._color0$_space.name, false);
  	    },
  	    $signature: 18
  	  };
  	  A.module_closure43.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace0(t1.$index($arguments, 0), t1.$index($arguments, 1), false);
  	    },
  	    $signature: 26
  	  };
  	  A.module_closure44.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).assertColor$1("color")._color0$_space.get$isLegacyInternal() ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A.module_closure45.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).assertColor$1("color").isChannelMissing$3$channelName$colorName(A._channelName0(t1.$index($arguments, 1)), "channel", "color") ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A.module_closure46.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace0(t1.$index($arguments, 0), t1.$index($arguments, 1), true).get$isInGamut() ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A.module_closure47.prototype = {
  	    call$1($arguments) {
  	      var space, method, _s5_ = "space", _s6_ = "method",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        t2 = t1.$index($arguments, 1);
  	      if (t2.$eq(0, B.C__SassNull0))
  	        space = color._color0$_space;
  	      else {
  	        t2 = t2.assertString$1(_s5_);
  	        t2.assertUnquoted$1(_s5_);
  	        space = A.ColorSpace_fromName0(t2._string0$_text, _s5_);
  	      }
  	      if (t1.$index($arguments, 2).$eq(0, B.C__SassNull0))
  	        throw A.wrapException(A.SassScriptException$0(string$.color_t, _s6_));
  	      t1 = t1.$index($arguments, 2).assertString$1(_s6_);
  	      t1.assertUnquoted$1(_s6_);
  	      method = A.GamutMapMethod_GamutMapMethod$fromName0(t1._string0$_text);
  	      if (!space.get$isBoundedInternal())
  	        return color;
  	      t1 = color.toSpace$1(space);
  	      t1 = t1.get$isInGamut() ? t1 : method.map$1(0, t1);
  	      return t1.toSpace$2$legacyMissing(color._color0$_space, false);
  	    },
  	    $signature: 26
  	  };
  	  A.module_closure48.prototype = {
  	    call$1($arguments) {
  	      var channelIndex, channelInfo, channelValue, unit,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = A._colorInSpace0(t1.$index($arguments, 0), t1.$index($arguments, 2), true),
  	        channelName = A._channelName0(t1.$index($arguments, 1));
  	      if (channelName === "alpha") {
  	        t1 = color.alphaOrNull;
  	        return A.SassNumber_SassNumber0(t1 == null ? 0 : t1, null);
  	      }
  	      t1 = color._color0$_space._space$_channels;
  	      channelIndex = B.JSArray_methods.indexWhere$1(t1, new A.module__closure5(channelName));
  	      if (channelIndex === -1)
  	        throw A.wrapException(A.SassScriptException$0("Color " + color.toString$0(0) + " has no channel named " + channelName + ".", "channel"));
  	      channelInfo = t1[channelIndex];
  	      channelValue = color.get$channels()[channelIndex];
  	      unit = channelInfo.associatedUnit;
  	      return A.SassNumber_SassNumber0(unit === "%" ? channelValue * 100 / type$.LinearChannel_2._as(channelInfo).max : channelValue, unit);
  	    },
  	    $signature: 25
  	  };
  	  A.module__closure5.prototype = {
  	    call$1(channel) {
  	      return channel.name === this.channelName;
  	    },
  	    $signature: 67
  	  };
  	  A.module_closure49.prototype = {
  	    call$1($arguments) {
  	      var t2, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        color1 = t1.$index($arguments, 0).assertColor$1("color1"),
  	        color2 = t1.$index($arguments, 1).assertColor$1("color2");
  	      t1 = new A.module_closure_toXyzNoMissing0();
  	      if (color1._color0$_space === color2._color0$_space) {
  	        t1 = color1.channel0OrNull;
  	        t2 = false;
  	        if (t1 == null)
  	          t1 = 0;
  	        t3 = color2.channel0OrNull;
  	        if (A.fuzzyEquals0(t1, t3 == null ? 0 : t3)) {
  	          t1 = color1.channel1OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          t3 = color2.channel1OrNull;
  	          if (A.fuzzyEquals0(t1, t3 == null ? 0 : t3)) {
  	            t1 = color1.channel2OrNull;
  	            if (t1 == null)
  	              t1 = 0;
  	            t3 = color2.channel2OrNull;
  	            if (A.fuzzyEquals0(t1, t3 == null ? 0 : t3)) {
  	              t1 = color1.alphaOrNull;
  	              if (t1 == null)
  	                t1 = 0;
  	              t2 = color2.alphaOrNull;
  	              t1 = A.fuzzyEquals0(t1, t2 == null ? 0 : t2);
  	            } else
  	              t1 = t2;
  	          } else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	      } else
  	        t1 = J.$eq$(t1.call$1(color1), t1.call$1(color2));
  	      return t1 ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A.module_closure_toXyzNoMissing0.prototype = {
  	    call$1(color) {
  	      var _1_1, _1_3, t1, _1_7, channel0, _1_8, channel1, _1_9, channel2, _1_10, alpha, _null = null;
  	      $label0$0: {
  	        _1_1 = color._color0$_space;
  	        _1_3 = B.XyzD65ColorSpace_WiJ0 === _1_1;
  	        t1 = _1_3;
  	        if (t1)
  	          t1 = !(color.channel0OrNull == null || color.channel1OrNull == null || color.channel2OrNull == null || color.alphaOrNull == null);
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = color;
  	          break $label0$0;
  	        }
  	        if (_1_3) {
  	          _1_7 = color.channel0OrNull;
  	          if (_1_7 == null)
  	            _1_7 = 0;
  	          channel0 = _1_7;
  	          _1_8 = color.channel1OrNull;
  	          if (_1_8 == null)
  	            _1_8 = 0;
  	          channel1 = _1_8;
  	          _1_9 = color.channel2OrNull;
  	          if (_1_9 == null)
  	            _1_9 = 0;
  	          channel2 = _1_9;
  	          _1_10 = color.alphaOrNull;
  	          if (_1_10 == null)
  	            _1_10 = 0;
  	          alpha = _1_10;
  	          t1 = A.SassColor$_forSpace0(B.XyzD65ColorSpace_WiJ0, channel0, channel1, channel2, alpha, _null);
  	          break $label0$0;
  	        }
  	        _1_7 = color.channel0OrNull;
  	        if (_1_7 == null)
  	          _1_7 = 0;
  	        channel0 = _1_7;
  	        _1_8 = color.channel1OrNull;
  	        if (_1_8 == null)
  	          _1_8 = 0;
  	        channel1 = _1_8;
  	        _1_9 = color.channel2OrNull;
  	        if (_1_9 == null)
  	          _1_9 = 0;
  	        channel2 = _1_9;
  	        _1_10 = color.alphaOrNull;
  	        if (_1_10 == null)
  	          _1_10 = 0;
  	        alpha = _1_10;
  	        t1 = _1_1.convert$5(B.XyzD65ColorSpace_WiJ0, channel0, channel1, channel2, alpha);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 399
  	  };
  	  A.module_closure50.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._colorInSpace0(t1.$index($arguments, 0), t1.$index($arguments, 2), true).isChannelPowerless$3$channelName$colorName(A._channelName0(t1.$index($arguments, 1)), "channel", "color") ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._mix_closure0.prototype = {
  	    call$1($arguments) {
  	      var _s6_ = "weight",
  	        _s41_ = string$.To_usem,
  	        _s29_ = ", you must provide a $method.",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color1 = t1.$index($arguments, 0).assertColor$1("color1"),
  	        color2 = t1.$index($arguments, 1).assertColor$1("color2"),
  	        weight = t1.$index($arguments, 2).assertNumber$1(_s6_);
  	      if (!t1.$index($arguments, 3).$eq(0, B.C__SassNull0))
  	        return color1.interpolate$4$legacyMissing$weight(color2, A.InterpolationMethod_InterpolationMethod$fromValue0(t1.$index($arguments, 3), "method"), false, weight.valueInRangeWithUnit$4(0, 100, _s6_, "%") / 100);
  	      A._checkPercent0(weight, _s6_);
  	      if (!color1._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(_s41_ + color1.toString$0(0) + _s29_, "color1"));
  	      else if (!color2._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(_s41_ + color2.toString$0(0) + _s29_, "color2"));
  	      return A._mixLegacy0(color1, color2, weight);
  	    },
  	    $signature: 26
  	  };
  	  A._complement_closure0.prototype = {
  	    call$1($arguments) {
  	      var space, t3, colorInSpace, t4, t5, t6, _s5_ = "space",
  	        t1 = J.getInterceptor$asx($arguments),
  	        color = t1.$index($arguments, 0).assertColor$1("color"),
  	        t2 = color._color0$_space;
  	      if (t2.get$isLegacyInternal() && t1.$index($arguments, 1).$eq(0, B.C__SassNull0))
  	        space = B.HslColorSpace_JQ20;
  	      else {
  	        t3 = t1.$index($arguments, 1).assertString$1(_s5_);
  	        t3.assertUnquoted$1(_s5_);
  	        space = A.ColorSpace_fromName0(t3._string0$_text, _s5_);
  	      }
  	      if (!space.get$isPolarInternal())
  	        throw A.wrapException(A.SassScriptException$0("Color space " + space.toString$0(0) + " doesn't have a hue channel.", _s5_));
  	      colorInSpace = color.toSpace$2$legacyMissing(space, !t1.$index($arguments, 1).$eq(0, B.C__SassNull0));
  	      t1 = space._space$_channels;
  	      t3 = colorInSpace.channel0OrNull;
  	      t4 = colorInSpace.channel1OrNull;
  	      t5 = colorInSpace.channel2OrNull;
  	      t6 = colorInSpace.alphaOrNull;
  	      return (space.get$isLegacyInternal() ? A.SassColor_SassColor$forSpaceInternal0(space, A._adjustChannel0(colorInSpace, t1[0], t3, A.SassNumber_SassNumber0(180, null)), t4, t5, t6) : A.SassColor_SassColor$forSpaceInternal0(space, t3, t4, A._adjustChannel0(colorInSpace, t1[2], t5, A.SassNumber_SassNumber0(180, null)), t6)).toSpace$2$legacyMissing(t2, false);
  	    },
  	    $signature: 26
  	  };
  	  A._adjust_closure0.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents0($arguments, true, false, false);
  	    },
  	    $signature: 26
  	  };
  	  A._scale_closure0.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents0($arguments, false, false, true);
  	    },
  	    $signature: 26
  	  };
  	  A._change_closure0.prototype = {
  	    call$1($arguments) {
  	      return A._updateComponents0($arguments, false, true, false);
  	    },
  	    $signature: 26
  	  };
  	  A._ieHexStr_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, t3, t4, t5,
  	        color = J.$index$asx($arguments, 0).assertColor$1("color").toSpace$1(B.RgbColorSpace_i0P0);
  	      color = color.get$isInGamut() ? color : B.LocalMindeGamutMap_A2x0.map$1(0, color);
  	      t1 = new A._ieHexStr_closure_hexString0();
  	      t2 = color.alphaOrNull;
  	      t2 = A.S(t1.call$1((t2 == null ? 0 : t2) * 255));
  	      t3 = color.channel0OrNull;
  	      t3 = A.S(t1.call$1(t3 == null ? 0 : t3));
  	      t4 = color.channel1OrNull;
  	      t4 = A.S(t1.call$1(t4 == null ? 0 : t4));
  	      t5 = color.channel2OrNull;
  	      return new A.SassString0("#" + t2 + t3 + t4 + A.S(t1.call$1(t5 == null ? 0 : t5)), false);
  	    },
  	    $signature: 18
  	  };
  	  A._ieHexStr_closure_hexString0.prototype = {
  	    call$1(component) {
  	      return B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(A.fuzzyRound0(component), 16), 2, "0").toUpperCase();
  	    },
  	    $signature: 275
  	  };
  	  A._updateComponents_closure1.prototype = {
  	    call$1(space) {
  	      return this.originalColor.toSpace$2$legacyMissing(space, false);
  	    },
  	    $signature: 400
  	  };
  	  A._updateComponents_closure2.prototype = {
  	    call$1(info) {
  	      return this._box_0.name === info.name;
  	    },
  	    $signature: 67
  	  };
  	  A._changeColor_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.alphaArg;
  	      A.warnForDeprecation0("$alpha: Passing a unit other than % (" + t1.toString$0(0) + string$.x29x20is_d_ + t1.unitSuggestion$1("alpha") + string$.x0a_See_, B.Deprecation_PHd);
  	      return t1.valueInRange$3(0, 1, "alpha");
  	    },
  	    $signature: 240
  	  };
  	  A._adjustColor_closure0.prototype = {
  	    call$1(alpha) {
  	      return isNaN(alpha) ? 0 : B.JSNumber_methods.clamp$2(alpha, 0, 1);
  	    },
  	    $signature: 12
  	  };
  	  A._functionString_closure0.prototype = {
  	    call$1(argument) {
  	      return A.serializeValue0(argument, false, true);
  	    },
  	    $signature: 228
  	  };
  	  A._removedColorFunction_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.name,
  	        t2 = J.getInterceptor$asx($arguments),
  	        t3 = t2.$index($arguments, 0).toString$0(0),
  	        t4 = this.negative ? "-" : "";
  	      throw A.wrapException(A.SassScriptException$0("The function " + t1 + string$.x28__isn + t3 + ", $" + this.argument + ": " + t4 + t2.$index($arguments, 1).toString$0(0) + string$.x29x0a_Moro + t1, null));
  	    },
  	    $signature: 402
  	  };
  	  A._rgb_closure0.prototype = {
  	    call$1(alpha) {
  	      var t1 = A._percentageOrUnitless0(alpha.assertNumber$1("alpha"), 1, "alpha");
  	      return isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1);
  	    },
  	    $signature: 229
  	  };
  	  A._hsl_closure0.prototype = {
  	    call$1(alpha) {
  	      var t1 = A._percentageOrUnitless0(alpha.assertNumber$1("alpha"), 1, "alpha");
  	      return isNaN(t1) ? 0 : B.JSNumber_methods.clamp$2(t1, 0, 1);
  	    },
  	    $signature: 229
  	  };
  	  A._parseChannels_closure1.prototype = {
  	    call$1($name) {
  	      return $name + " channel";
  	    },
  	    $signature: 6
  	  };
  	  A._parseChannels_closure2.prototype = {
  	    call$1(channel) {
  	      return channel.get$isSpecialNumber();
  	    },
  	    $signature: 56
  	  };
  	  A._colorFromChannels_closure1.prototype = {
  	    call$1(channel0) {
  	      return A._angleValue0(channel0, "hue");
  	    },
  	    $signature: 100
  	  };
  	  A._colorFromChannels_closure2.prototype = {
  	    call$1(channel0) {
  	      return A._angleValue0(channel0, "hue");
  	    },
  	    $signature: 100
  	  };
  	  A._channelFromValue_closure0.prototype = {
  	    call$1(value) {
  	      var t1, _0_8, t2, _0_5, _0_8_isSet, upperClamped, t3,
  	        _0_0 = this.channel;
  	      $label0$0: {
  	        t1 = _0_0 instanceof A.LinearChannel0;
  	        if (t1 && _0_0.requiresPercent && !value.hasUnit$1("%"))
  	          A.throwExpression(A.SassScriptException$0("Expected " + value.toString$0(0) + ' to have unit "%".', _0_0.name));
  	        _0_8 = null;
  	        t2 = false;
  	        if (t1) {
  	          _0_5 = _0_0.lowerClamped;
  	          _0_8_isSet = !_0_5;
  	          if (_0_8_isSet) {
  	            _0_8 = _0_0.upperClamped;
  	            t2 = !_0_8;
  	          }
  	        } else {
  	          _0_5 = null;
  	          _0_8_isSet = false;
  	        }
  	        if (t2) {
  	          t1 = A._percentageOrUnitless0(value, _0_0.max, _0_0.name);
  	          break $label0$0;
  	        }
  	        if (t1 && !this.clamp) {
  	          t1 = A._percentageOrUnitless0(value, _0_0.max, _0_0.name);
  	          break $label0$0;
  	        }
  	        if (t1) {
  	          upperClamped = _0_8_isSet ? _0_8 : _0_0.upperClamped;
  	          t1 = _0_0.max;
  	          t2 = A._percentageOrUnitless0(value, t1, _0_0.name);
  	          t3 = _0_5 ? _0_0.min : -1 / 0;
  	          t1 = upperClamped ? t1 : 1 / 0;
  	          t1 = isNaN(t2) ? t3 : B.JSNumber_methods.clamp$2(t2, t3, t1);
  	          break $label0$0;
  	        }
  	        t1 = B.JSNumber_methods.$mod(value.coerceValueToUnit$2("deg", _0_0.name), 360);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 100
  	  };
  	  A._channelFunction_closure0.prototype = {
  	    call$1($arguments) {
  	      var _this = this,
  	        result = A.SassNumber_SassNumber0(_this.getter.call$1(J.get$first$ax($arguments).assertColor$1("color")), _this.unit),
  	        t1 = _this.global ? "" : "color.",
  	        t2 = _this.name;
  	      A.warnForDeprecation0(t1 + t2 + string$.x28__is_d + t2 + '", $space: ' + _this.space.toString$0(0) + string$.x29x0a_Mor_, B.Deprecation_hJG);
  	      return result;
  	    },
  	    $signature: 25
  	  };
  	  A._suggestScaleAndAdjust_closure0.prototype = {
  	    call$1(channel) {
  	      return channel.name === this.channelName;
  	    },
  	    $signature: 67
  	  };
  	  A.colorClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassColor", new A.colorClass__closure())),
  	        t2 = type$.String,
  	        t3 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["equals", new A.colorClass__closure0(), "hashCode", new A.colorClass__closure1(), "toSpace", new A.colorClass__closure2(), "isInGamut", new A.colorClass__closure3(), "toGamut", new A.colorClass__closure4(), "channel", new A.colorClass__closure5(), "isChannelMissing", new A.colorClass__closure6(), "isChannelPowerless", new A.colorClass__closure7(), "change", new A.colorClass__closure8(), "interpolate", new A.colorClass__closure9()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["red", new A.colorClass__closure10(), "green", new A.colorClass__closure11(), "blue", new A.colorClass__closure12(), "hue", new A.colorClass__closure13(), "saturation", new A.colorClass__closure14(), "lightness", new A.colorClass__closure15(), "whiteness", new A.colorClass__closure16(), "blackness", new A.colorClass__closure17(), "alpha", new A.colorClass__closure18(), "space", new A.colorClass__closure19(), "isLegacy", new A.colorClass__closure20(), "channelsOrNull", new A.colorClass__closure21(), "channels", new A.colorClass__closure22()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(A.SassColor_SassColor$rgbInternal0(0, 0, 0, 1, null).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.colorClass__closure.prototype = {
  	    call$2($self, options) {
  	      var t1, t2, t3, t4, _null = null;
  	      switch (A._constructionSpace(options)) {
  	        case B.RgbColorSpace_i0P0:
  	          A._checkNullAlphaDeprecation(options);
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor_SassColor$rgbInternal0(t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.HslColorSpace_JQ20:
  	          A._checkNullAlphaDeprecation(options);
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$hue(options);
  	          t3 = t1.get$saturation(options);
  	          t4 = t1.get$lightness(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor_SassColor$hsl0(t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1);
  	        case B.HwbColorSpace_guQ0:
  	          A._checkNullAlphaDeprecation(options);
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$hue(options);
  	          t3 = t1.get$whiteness(options);
  	          t4 = t1.get$blackness(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor_SassColor$hwb0(t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1);
  	        case B.LabColorSpace_2nT0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$lightness(options);
  	          t3 = t1.get$a(options);
  	          t4 = t1.get$b(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.LabColorSpace_2nT0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.OklabColorSpace_5400:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$lightness(options);
  	          t3 = t1.get$a(options);
  	          t4 = t1.get$b(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.OklabColorSpace_5400, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.LchColorSpace_Bpv0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$lightness(options);
  	          t3 = t1.get$chroma(options);
  	          t4 = t1.get$hue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor_SassColor$forSpaceInternal0(B.LchColorSpace_Bpv0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1);
  	        case B.OklchColorSpace_9Gj0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$lightness(options);
  	          t3 = t1.get$chroma(options);
  	          t4 = t1.get$hue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor_SassColor$forSpaceInternal0(B.OklchColorSpace_9Gj0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1);
  	        case B.SrgbColorSpace_thf0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.SrgbColorSpace_thf0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.SrgbLinearColorSpace_kUj0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.SrgbLinearColorSpace_kUj0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.DisplayP3ColorSpace_MmT0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.DisplayP3ColorSpace_MmT0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.DisplayP3LinearColorSpace_PrP0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.DisplayP3LinearColorSpace_PrP0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.A98RgbColorSpace_lf20:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.A98RgbColorSpace_lf20, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.ProphotoRgbColorSpace_BDz0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.ProphotoRgbColorSpace_BDz0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.Rec2020ColorSpace_6oo0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$red(options);
  	          t3 = t1.get$green(options);
  	          t4 = t1.get$blue(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.Rec2020ColorSpace_6oo0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.XyzD50ColorSpace_2OB0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$x(options);
  	          t3 = t1.get$y(options);
  	          t4 = t1.get$z(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.XyzD50ColorSpace_2OB0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        case B.XyzD65ColorSpace_WiJ0:
  	          t1 = J.getInterceptor$x(options);
  	          t2 = t1.get$x(options);
  	          t3 = t1.get$y(options);
  	          t4 = t1.get$z(options);
  	          t1 = t1.get$alpha(options);
  	          return A.SassColor$_forSpace0(B.XyzD65ColorSpace_WiJ0, t2, t3, t4, A._asBool($.$get$_isUndefined().call$1(t1)) ? 1 : t1, _null);
  	        default:
  	          throw A.wrapException("Unreachable");
  	      }
  	    },
  	    $signature: 405
  	  };
  	  A.colorClass__closure0.prototype = {
  	    call$2($self, other) {
  	      return $self.$eq(0, other);
  	    },
  	    $signature: 406
  	  };
  	  A.colorClass__closure1.prototype = {
  	    call$1($self) {
  	      return $self.get$hashCode(0);
  	    },
  	    $signature: 39
  	  };
  	  A.colorClass__closure2.prototype = {
  	    call$2($self, space) {
  	      return A._toSpace($self, space);
  	    },
  	    $signature: 407
  	  };
  	  A.colorClass__closure3.prototype = {
  	    call$2($self, space) {
  	      return A._toSpace($self, space).get$isInGamut();
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 408
  	  };
  	  A.colorClass__closure4.prototype = {
  	    call$2($self, options) {
  	      var t1 = J.getInterceptor$x(options),
  	        t2 = A._toSpace($self, t1.get$space(options));
  	      t1 = A.GamutMapMethod_GamutMapMethod$fromName0(t1.get$method(options));
  	      t1 = t2.get$isInGamut() ? t2 : t1.map$1(0, t2);
  	      return t1.toSpace$1($self._color0$_space);
  	    },
  	    $signature: 409
  	  };
  	  A.colorClass__closure5.prototype = {
  	    call$3($self, channel, options) {
  	      return A._toSpace($self, options == null ? null : J.get$space$x(options)).channel$1(0, channel);
  	    },
  	    call$2($self, channel) {
  	      return this.call$3($self, channel, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 410
  	  };
  	  A.colorClass__closure6.prototype = {
  	    call$2($self, channel) {
  	      return $self.isChannelMissing$1(channel);
  	    },
  	    $signature: 411
  	  };
  	  A.colorClass__closure7.prototype = {
  	    call$3($self, channel, options) {
  	      return A._toSpace($self, options == null ? null : J.get$space$x(options)).isChannelPowerless$1(channel);
  	    },
  	    call$2($self, channel) {
  	      return this.call$3($self, channel, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 412
  	  };
  	  A.colorClass__closure8.prototype = {
  	    call$2($self, options) {
  	      var t3, space, t4, t5, t6, color, changedValue, _0_2, changedColor, _0_4, _0_6, _null = null,
  	        _s9_ = "whiteness",
  	        _s9_0 = "blackness",
  	        _s3_ = "hue",
  	        _s10_ = "saturation",
  	        _s9_1 = "lightness",
  	        _s3_0 = "red", _s5_ = "green", _s4_ = "blue", _s5_0 = "alpha",
  	        _s106_ = string$.Passin_,
  	        _s105_ = "Passing `hue: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api",
  	        t1 = J.getInterceptor$x(options),
  	        t2 = t1.get$space(options) == null,
  	        spaceSetExplicitly = !t2;
  	      if (spaceSetExplicitly) {
  	        t3 = t1.get$space(options);
  	        t3.toString;
  	        space = A.ColorSpace_fromName0(t3, _null);
  	      } else
  	        space = $self._color0$_space;
  	      t3 = $self._color0$_space;
  	      if (t3.get$isLegacyInternal() && t2) {
  	        if ("whiteness" in options || "blackness" in options)
  	          space = B.HwbColorSpace_guQ0;
  	        else if ("hue" in options && t3 === B.HwbColorSpace_guQ0)
  	          space = B.HwbColorSpace_guQ0;
  	        else if ("hue" in options || "saturation" in options || "lightness" in options)
  	          space = B.HslColorSpace_JQ20;
  	        else if ("red" in options || "green" in options || "blue" in options)
  	          space = B.RgbColorSpace_i0P0;
  	        if (space !== t3)
  	          A.warnForDeprecationFromApi("Changing a channel not in this color's space without explicitly specifying the `space` option is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      }
  	      for (t2 = J.get$iterator$ax(self.Object.keys(options)), t4 = space._space$_channels, t5 = type$.JSArray_String; t2.moveNext$0();) {
  	        t6 = t2.get$current(t2);
  	        if (B.JSArray_methods.contains$1(A._setArrayType(["alpha", "space"], t5), t6))
  	          continue;
  	        if (!B.JSArray_methods.any$1(t4, new A.colorClass___closure(t6)))
  	          A.jsThrow(new self.Error("`" + t6 + "` is not a valid channel in `" + space.toString$0(0) + "`."));
  	      }
  	      color = $self.toSpace$1(space);
  	      changedValue = new A.colorClass__closure_changedValue(color, options);
  	      $label0$2: {
  	        _0_2 = B.HslColorSpace_JQ20 === space;
  	        if (_0_2 && spaceSetExplicitly) {
  	          changedColor = A.SassColor_SassColor$hsl0(changedValue.call$1(_s3_), changedValue.call$1(_s10_), changedValue.call$1(_s9_1), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        if (_0_2) {
  	          t2 = t1.get$hue(options);
  	          t4 = $.$get$_isNull();
  	          if (A._asBool(t4.call$1(t2)))
  	            A.warnForDeprecationFromApi(_s105_, B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$saturation(options))))
  	            A.warnForDeprecationFromApi("Passing `saturation: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$lightness(options))))
  	            A.warnForDeprecationFromApi("Passing `lightness: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          if (A._asBool(t4.call$1(t1.get$alpha(options))))
  	            A.warnForDeprecationFromApi(_s106_, B.Deprecation_ox0);
  	          t2 = t1.get$hue(options);
  	          if (t2 == null)
  	            t2 = color.channel$1(0, _s3_);
  	          t4 = t1.get$saturation(options);
  	          if (t4 == null)
  	            t4 = color.channel$1(0, _s10_);
  	          t5 = t1.get$lightness(options);
  	          if (t5 == null)
  	            t5 = color.channel$1(0, _s9_1);
  	          t1 = t1.get$alpha(options);
  	          changedColor = A.SassColor_SassColor$hsl0(t2, t4, t5, t1 == null ? color.channel$1(0, _s5_0) : t1);
  	          break $label0$2;
  	        }
  	        _0_4 = B.HwbColorSpace_guQ0 === space;
  	        if (_0_4 && spaceSetExplicitly) {
  	          changedColor = A.SassColor_SassColor$hwb0(changedValue.call$1(_s3_), changedValue.call$1(_s9_), changedValue.call$1(_s9_0), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        if (_0_4) {
  	          t2 = t1.get$hue(options);
  	          t4 = $.$get$_isNull();
  	          if (A._asBool(t4.call$1(t2)))
  	            A.warnForDeprecationFromApi(_s105_, B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$whiteness(options))))
  	            A.warnForDeprecationFromApi("Passing `whiteness: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$blackness(options))))
  	            A.warnForDeprecationFromApi("Passing `blackness: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          if (A._asBool(t4.call$1(t1.get$alpha(options))))
  	            A.warnForDeprecationFromApi(_s106_, B.Deprecation_ox0);
  	          t2 = t1.get$hue(options);
  	          if (t2 == null)
  	            t2 = color.channel$1(0, _s3_);
  	          t4 = t1.get$whiteness(options);
  	          if (t4 == null)
  	            t4 = color.channel$1(0, _s9_);
  	          t5 = t1.get$blackness(options);
  	          if (t5 == null)
  	            t5 = color.channel$1(0, _s9_0);
  	          t1 = t1.get$alpha(options);
  	          changedColor = A.SassColor_SassColor$hwb0(t2, t4, t5, t1 == null ? color.channel$1(0, _s5_0) : t1);
  	          break $label0$2;
  	        }
  	        _0_6 = B.RgbColorSpace_i0P0 === space;
  	        if (_0_6 && spaceSetExplicitly) {
  	          changedColor = A.SassColor_SassColor$rgbInternal0(changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (_0_6) {
  	          t2 = t1.get$red(options);
  	          t4 = $.$get$_isNull();
  	          if (A._asBool(t4.call$1(t2)))
  	            A.warnForDeprecationFromApi("Passing `red: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$green(options))))
  	            A.warnForDeprecationFromApi("Passing `green: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          else if (A._asBool(t4.call$1(t1.get$blue(options))))
  	            A.warnForDeprecationFromApi("Passing `blue: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	          if (A._asBool(t4.call$1(t1.get$alpha(options))))
  	            A.warnForDeprecationFromApi(_s106_, B.Deprecation_ox0);
  	          t2 = t1.get$red(options);
  	          if (t2 == null)
  	            t2 = color.channel$1(0, _s3_0);
  	          t4 = t1.get$green(options);
  	          if (t4 == null)
  	            t4 = color.channel$1(0, _s5_);
  	          t5 = t1.get$blue(options);
  	          if (t5 == null)
  	            t5 = color.channel$1(0, _s4_);
  	          t1 = t1.get$alpha(options);
  	          changedColor = A.SassColor_SassColor$rgbInternal0(t2, t4, t5, t1 == null ? color.channel$1(0, _s5_0) : t1, _null);
  	          break $label0$2;
  	        }
  	        if (B.LabColorSpace_2nT0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.LabColorSpace_2nT0, changedValue.call$1(_s9_1), changedValue.call$1("a"), changedValue.call$1("b"), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.OklabColorSpace_5400 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.OklabColorSpace_5400, changedValue.call$1(_s9_1), changedValue.call$1("a"), changedValue.call$1("b"), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.LchColorSpace_Bpv0 === space) {
  	          changedColor = A.SassColor_SassColor$forSpaceInternal0(B.LchColorSpace_Bpv0, changedValue.call$1(_s9_1), changedValue.call$1("chroma"), changedValue.call$1(_s3_), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        if (B.OklchColorSpace_9Gj0 === space) {
  	          changedColor = A.SassColor_SassColor$forSpaceInternal0(B.OklchColorSpace_9Gj0, changedValue.call$1(_s9_1), changedValue.call$1("chroma"), changedValue.call$1(_s3_), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.A98RgbColorSpace_lf20, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.DisplayP3ColorSpace_MmT0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.DisplayP3LinearColorSpace_PrP0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.DisplayP3LinearColorSpace_PrP0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.ProphotoRgbColorSpace_BDz0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.Rec2020ColorSpace_6oo0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.SrgbColorSpace_thf0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.SrgbColorSpace_thf0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.SrgbLinearColorSpace_kUj0 === space) {
  	          changedColor = A.SassColor$_forSpace0(B.SrgbLinearColorSpace_kUj0, changedValue.call$1(_s3_0), changedValue.call$1(_s5_), changedValue.call$1(_s4_), changedValue.call$1(_s5_0), _null);
  	          break $label0$2;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === space) {
  	          changedColor = A.SassColor_SassColor$forSpaceInternal0(space, changedValue.call$1("x"), changedValue.call$1("y"), changedValue.call$1("z"), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === space) {
  	          changedColor = A.SassColor_SassColor$forSpaceInternal0(space, changedValue.call$1("x"), changedValue.call$1("y"), changedValue.call$1("z"), changedValue.call$1(_s5_0));
  	          break $label0$2;
  	        }
  	        throw A.wrapException("No space set");
  	      }
  	      return changedColor.toSpace$1(t3);
  	    },
  	    $signature: 413
  	  };
  	  A.colorClass___closure.prototype = {
  	    call$1(channel) {
  	      return channel.name === this.key;
  	    },
  	    $signature: 67
  	  };
  	  A.colorClass__closure_changedValue.prototype = {
  	    call$1(channel) {
  	      var t2,
  	        t1 = this.options;
  	      if (channel in t1) {
  	        t2 = t1[channel];
  	        t2 = !A._asBool($.$get$_isUndefined().call$1(t2));
  	      } else
  	        t2 = false;
  	      return t2 ? t1[channel] : this.color.channel$1(0, channel);
  	    },
  	    $signature: 414
  	  };
  	  A.colorClass__closure9.prototype = {
  	    call$3($self, color2, options) {
  	      var interpolationMethod, t2,
  	        t1 = options == null,
  	        _1_0 = t1 ? null : J.get$method$x(options);
  	      if (_1_0 != null)
  	        interpolationMethod = A.InterpolationMethod$0($self._color0$_space, A.EnumByName_byName(B.List_mRc, _1_0));
  	      else {
  	        t2 = $self._color0$_space;
  	        interpolationMethod = !t2.get$isPolarInternal() ? A.InterpolationMethod$0(t2, null) : A.InterpolationMethod$0(t2, B.HueInterpolationMethod_00);
  	      }
  	      return $self.interpolate$3$weight(color2, interpolationMethod, t1 ? null : J.get$weight$x(options));
  	    },
  	    call$2($self, color2) {
  	      return this.call$3($self, color2, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 415
  	  };
  	  A.colorClass__closure10.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("red is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return B.JSNumber_methods.round$0($self._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "red"));
  	    },
  	    $signature: 39
  	  };
  	  A.colorClass__closure11.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("green is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return B.JSNumber_methods.round$0($self._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "green"));
  	    },
  	    $signature: 39
  	  };
  	  A.colorClass__closure12.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("blue is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return B.JSNumber_methods.round$0($self._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "blue"));
  	    },
  	    $signature: 39
  	  };
  	  A.colorClass__closure13.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("hue is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return $self._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "hue");
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure14.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("saturation is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return $self._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "saturation");
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure15.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("lightness is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return $self._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "lightness");
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure16.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("whiteness is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return $self._color0$_legacyChannel$2(B.HwbColorSpace_guQ0, "whiteness");
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure17.prototype = {
  	    call$1($self) {
  	      A.warnForDeprecationFromApi("blackness is deprecated, use `channel` instead.\nMore info: https://sass-lang.com/d/color-4-api", B.Deprecation_alT);
  	      return $self._color0$_legacyChannel$2(B.HwbColorSpace_guQ0, "blackness");
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure18.prototype = {
  	    call$1($self) {
  	      var t1 = $self.alphaOrNull;
  	      return t1 == null ? 0 : t1;
  	    },
  	    $signature: 30
  	  };
  	  A.colorClass__closure19.prototype = {
  	    call$1($self) {
  	      return $self._color0$_space.name;
  	    },
  	    $signature: 416
  	  };
  	  A.colorClass__closure20.prototype = {
  	    call$1($self) {
  	      return $self._color0$_space.get$isLegacyInternal();
  	    },
  	    $signature: 417
  	  };
  	  A.colorClass__closure21.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.get$channelsOrNull());
  	    },
  	    $signature: 230
  	  };
  	  A.colorClass__closure22.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.get$channels());
  	    },
  	    $signature: 230
  	  };
  	  A._Channels.prototype = {};
  	  A._ConstructionOptions.prototype = {};
  	  A._ChannelOptions.prototype = {};
  	  A._ToGamutOptions.prototype = {};
  	  A._InterpolationOptions.prototype = {};
  	  A._NodeSassColor.prototype = {};
  	  A.legacyColorClass_closure.prototype = {
  	    call$6(thisArg, redOrArgb, green, blue, alpha, dartValue) {
  	      var red, t1, t2, t3, t4;
  	      if (dartValue != null) {
  	        J.set$dartValue$x(thisArg, dartValue);
  	        return;
  	      }
  	      if (green == null || blue == null) {
  	        A._asInt(redOrArgb);
  	        alpha = B.JSInt_methods._shrOtherPositive$1(redOrArgb, 24) / 255;
  	        red = B.JSInt_methods.$mod(B.JSInt_methods._shrOtherPositive$1(redOrArgb, 16), 256);
  	        green = B.JSInt_methods.$mod(B.JSInt_methods._shrOtherPositive$1(redOrArgb, 8), 256);
  	        blue = B.JSInt_methods.$mod(redOrArgb, 256);
  	      } else {
  	        redOrArgb.toString;
  	        red = redOrArgb;
  	      }
  	      t1 = A.fuzzyRound0(isNaN(red) ? 0 : B.JSNumber_methods.clamp$2(red, 0, 255));
  	      t2 = A.fuzzyRound0(isNaN(green) ? 0 : B.JSNumber_methods.clamp$2(green, 0, 255));
  	      t3 = A.fuzzyRound0(isNaN(blue) ? 0 : B.JSNumber_methods.clamp$2(blue, 0, 255));
  	      t4 = A.NullableExtension_andThen0(alpha, new A.legacyColorClass__closure());
  	      J.set$dartValue$x(thisArg, A.SassColor_SassColor$rgbInternal0(t1, t2, t3, t4 == null ? 1 : t4, null));
  	    },
  	    call$2(thisArg, redOrArgb) {
  	      var _null = null;
  	      return this.call$6(thisArg, redOrArgb, _null, _null, _null, _null);
  	    },
  	    call$3(thisArg, redOrArgb, green) {
  	      return this.call$6(thisArg, redOrArgb, green, null, null, null);
  	    },
  	    call$4(thisArg, redOrArgb, green, blue) {
  	      return this.call$6(thisArg, redOrArgb, green, blue, null, null);
  	    },
  	    call$5(thisArg, redOrArgb, green, blue, alpha) {
  	      return this.call$6(thisArg, redOrArgb, green, blue, alpha, null);
  	    },
  	    "call*": "call$6",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null, null, null];
  	    },
  	    $signature: 419
  	  };
  	  A.legacyColorClass__closure.prototype = {
  	    call$1(alpha) {
  	      return isNaN(alpha) ? 0 : B.JSNumber_methods.clamp$2(alpha, 0, 1);
  	    },
  	    $signature: 420
  	  };
  	  A.legacyColorClass_closure0.prototype = {
  	    call$1(thisArg) {
  	      return B.JSNumber_methods.round$0(J.get$dartValue$x(thisArg)._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "red"));
  	    },
  	    $signature: 124
  	  };
  	  A.legacyColorClass_closure1.prototype = {
  	    call$1(thisArg) {
  	      return B.JSNumber_methods.round$0(J.get$dartValue$x(thisArg)._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "green"));
  	    },
  	    $signature: 124
  	  };
  	  A.legacyColorClass_closure2.prototype = {
  	    call$1(thisArg) {
  	      return B.JSNumber_methods.round$0(J.get$dartValue$x(thisArg)._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "blue"));
  	    },
  	    $signature: 124
  	  };
  	  A.legacyColorClass_closure3.prototype = {
  	    call$1(thisArg) {
  	      var t1 = J.get$dartValue$x(thisArg).alphaOrNull;
  	      return t1 == null ? 0 : t1;
  	    },
  	    $signature: 422
  	  };
  	  A.legacyColorClass_closure4.prototype = {
  	    call$2(thisArg, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg);
  	      t1.set$dartValue(thisArg, t2.changeRgb$1$red(A.fuzzyRound0(isNaN(value) ? 0 : B.JSNumber_methods.clamp$2(value, 0, 255))));
  	    },
  	    $signature: 106
  	  };
  	  A.legacyColorClass_closure5.prototype = {
  	    call$2(thisArg, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg);
  	      t1.set$dartValue(thisArg, t2.changeRgb$1$green(A.fuzzyRound0(isNaN(value) ? 0 : B.JSNumber_methods.clamp$2(value, 0, 255))));
  	    },
  	    $signature: 106
  	  };
  	  A.legacyColorClass_closure6.prototype = {
  	    call$2(thisArg, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg);
  	      t1.set$dartValue(thisArg, t2.changeRgb$1$blue(A.fuzzyRound0(isNaN(value) ? 0 : B.JSNumber_methods.clamp$2(value, 0, 255))));
  	    },
  	    $signature: 106
  	  };
  	  A.legacyColorClass_closure7.prototype = {
  	    call$2(thisArg, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg);
  	      t1.set$dartValue(thisArg, t2.changeRgb$1$alpha(isNaN(value) ? 0 : B.JSNumber_methods.clamp$2(value, 0, 1)));
  	    },
  	    $signature: 106
  	  };
  	  A.SassColor0.prototype = {
  	    get$channels() {
  	      var t2, t3,
  	        t1 = this.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = this.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = this.channel2OrNull;
  	      return A.List_List$unmodifiable([t1, t2, t3 == null ? 0 : t3], type$.double);
  	    },
  	    get$channelsOrNull() {
  	      return A.List_List$unmodifiable([this.channel0OrNull, this.channel1OrNull, this.channel2OrNull], type$.nullable_double);
  	    },
  	    get$isChannel0Powerless() {
  	      var t1, t2, _this = this,
  	        _0_0 = _this._color0$_space;
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ20 === _0_0) {
  	          t1 = _this.channel1OrNull;
  	          t1 = A.fuzzyEquals0(t1 == null ? 0 : t1, 0);
  	          break $label0$0;
  	        }
  	        if (B.HwbColorSpace_guQ0 === _0_0) {
  	          t1 = _this.channel1OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          t2 = _this.channel2OrNull;
  	          t1 += t2 == null ? 0 : t2;
  	          t1 = t1 > 100 || A.fuzzyEquals0(t1, 100);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isChannel2Powerless() {
  	      var t1,
  	        _0_0 = this._color0$_space;
  	      $label0$0: {
  	        if (B.LchColorSpace_Bpv0 === _0_0 || B.OklchColorSpace_9Gj0 === _0_0) {
  	          t1 = this.channel1OrNull;
  	          t1 = A.fuzzyEquals0(t1 == null ? 0 : t1, 0);
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isInGamut() {
  	      var t2, t3, _this = this,
  	        t1 = _this._color0$_space;
  	      if (!t1.get$isBoundedInternal())
  	        return true;
  	      t2 = _this.channel0OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t1 = t1._space$_channels;
  	      t3 = false;
  	      if (_this._color0$_isChannelInGamut$2(t2, t1[0])) {
  	        t2 = _this.channel1OrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        if (_this._color0$_isChannelInGamut$2(t2, t1[1])) {
  	          t2 = _this.channel2OrNull;
  	          if (t2 == null)
  	            t2 = 0;
  	          t1 = _this._color0$_isChannelInGamut$2(t2, t1[2]);
  	        } else
  	          t1 = t3;
  	      } else
  	        t1 = t3;
  	      return t1;
  	    },
  	    _color0$_isChannelInGamut$2(value, channel) {
  	      var min, max, t1;
  	      $label0$0: {
  	        if (channel instanceof A.LinearChannel0) {
  	          min = channel.min;
  	          max = channel.max;
  	          if (value < max || A.fuzzyEquals0(value, max))
  	            t1 = value > min || A.fuzzyEquals0(value, min);
  	          else
  	            t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitColor$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertColor$1($name) {
  	      return this;
  	    },
  	    assertLegacy$1($name) {
  	      if (this._color0$_space.get$isLegacyInternal())
  	        return;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + string$.x20to_be, $name));
  	    },
  	    channel$1(_, channel) {
  	      var t1, _this = this,
  	        channels = _this._color0$_space._space$_channels;
  	      if (channel === channels[0].name) {
  	        t1 = _this.channel0OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === channels[1].name) {
  	        t1 = _this.channel1OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === channels[2].name) {
  	        t1 = _this.channel2OrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      if (channel === "alpha") {
  	        t1 = _this.alphaOrNull;
  	        return t1 == null ? 0 : t1;
  	      }
  	      throw A.wrapException(A.SassScriptException$0("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', null));
  	    },
  	    isChannelMissing$3$channelName$colorName(channel, channelName, colorName) {
  	      var _this = this,
  	        channels = _this._color0$_space._space$_channels;
  	      if (channel === channels[0].name)
  	        return _this.channel0OrNull == null;
  	      if (channel === channels[1].name)
  	        return _this.channel1OrNull == null;
  	      if (channel === channels[2].name)
  	        return _this.channel2OrNull == null;
  	      if (channel === "alpha")
  	        return _this.alphaOrNull == null;
  	      throw A.wrapException(A.SassScriptException$0("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', channelName));
  	    },
  	    isChannelMissing$1(channel) {
  	      return this.isChannelMissing$3$channelName$colorName(channel, null, null);
  	    },
  	    isChannelPowerless$3$channelName$colorName(channel, channelName, colorName) {
  	      var _this = this,
  	        channels = _this._color0$_space._space$_channels;
  	      if (channel === channels[0].name)
  	        return _this.get$isChannel0Powerless();
  	      if (channel === channels[1].name)
  	        return false;
  	      if (channel === channels[2].name)
  	        return _this.get$isChannel2Powerless();
  	      if (channel === "alpha")
  	        return false;
  	      throw A.wrapException(A.SassScriptException$0("Color " + _this.toString$0(0) + " doesn't have a channel named \"" + channel + '".', channelName));
  	    },
  	    isChannelPowerless$1(channel) {
  	      return this.isChannelPowerless$3$channelName$colorName(channel, null, null);
  	    },
  	    _color0$_legacyChannel$2(space, channel) {
  	      if (!this._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0("color." + channel + string$.x28__is_oc, null));
  	      return this.toSpace$1(space).channel$1(0, channel);
  	    },
  	    toSpace$2$legacyMissing(space, legacyMissing) {
  	      var t2, converted, t3, t4, _this = this,
  	        t1 = _this._color0$_space;
  	      if (t1 === space)
  	        return _this;
  	      t2 = _this.alphaOrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      converted = t1.convert$5(space, _this.channel0OrNull, _this.channel1OrNull, _this.channel2OrNull, t2);
  	      t1 = false;
  	      if (!legacyMissing)
  	        if (converted._color0$_space.get$isLegacyInternal())
  	          t1 = converted.channel0OrNull == null || converted.channel1OrNull == null || converted.channel2OrNull == null || converted.alphaOrNull == null;
  	      if (t1) {
  	        t1 = converted.channel0OrNull;
  	        if (t1 == null)
  	          t1 = 0;
  	        t2 = converted.channel1OrNull;
  	        if (t2 == null)
  	          t2 = 0;
  	        t3 = converted.channel2OrNull;
  	        if (t3 == null)
  	          t3 = 0;
  	        t4 = converted.alphaOrNull;
  	        if (t4 == null)
  	          t4 = 0;
  	        t4 = A.SassColor_SassColor$forSpaceInternal0(converted._color0$_space, t1, t2, t3, t4);
  	        t1 = t4;
  	      } else
  	        t1 = converted;
  	      return t1;
  	    },
  	    toSpace$1(space) {
  	      return this.toSpace$2$legacyMissing(space, true);
  	    },
  	    changeRgb$4$alpha$blue$green$red(alpha, blue, green, red) {
  	      var t1, t2, t3, t4, _this = this, _null = null;
  	      if (!_this._color0$_space.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0("color.changeRgb() is only supported for legacy colors. Please use color.changeChannels() instead with an explicit $space argument.", _null));
  	      t1 = red == null ? _null : red;
  	      if (t1 == null)
  	        t1 = _this.channel$1(0, "red");
  	      t2 = green == null ? _null : green;
  	      if (t2 == null)
  	        t2 = _this.channel$1(0, "green");
  	      t3 = blue == null ? _null : blue;
  	      if (t3 == null)
  	        t3 = _this.channel$1(0, "blue");
  	      t4 = alpha == null ? _null : alpha;
  	      if (t4 == null) {
  	        t4 = _this.alphaOrNull;
  	        if (t4 == null)
  	          t4 = 0;
  	      }
  	      return A.SassColor_SassColor$rgbInternal0(t1, t2, t3, t4, _null);
  	    },
  	    changeRgb$1$alpha(alpha) {
  	      return this.changeRgb$4$alpha$blue$green$red(alpha, null, null, null);
  	    },
  	    changeRgb$1$blue(blue) {
  	      return this.changeRgb$4$alpha$blue$green$red(null, blue, null, null);
  	    },
  	    changeRgb$1$green(green) {
  	      return this.changeRgb$4$alpha$blue$green$red(null, null, green, null);
  	    },
  	    changeRgb$1$red(red) {
  	      return this.changeRgb$4$alpha$blue$green$red(null, null, null, red);
  	    },
  	    changeHsl$3$hue$lightness$saturation(hue, lightness, saturation) {
  	      var t2, t3, t4, t5, _this = this, _null = null,
  	        t1 = _this._color0$_space;
  	      if (!t1.get$isLegacyInternal())
  	        throw A.wrapException(A.SassScriptException$0(string$.color_c, _null));
  	      t2 = hue == null ? _null : hue;
  	      if (t2 == null)
  	        t2 = _this._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "hue");
  	      t3 = saturation == null ? _null : saturation;
  	      if (t3 == null)
  	        t3 = _this._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "saturation");
  	      t4 = lightness == null ? _null : lightness;
  	      if (t4 == null)
  	        t4 = _this._color0$_legacyChannel$2(B.HslColorSpace_JQ20, "lightness");
  	      t5 = _this.alphaOrNull;
  	      if (t5 == null)
  	        t5 = 0;
  	      return A.SassColor_SassColor$hsl0(t2, t3, t4, t5).toSpace$1(t1);
  	    },
  	    changeHsl$1$saturation(saturation) {
  	      return this.changeHsl$3$hue$lightness$saturation(null, null, saturation);
  	    },
  	    changeHsl$1$lightness(lightness) {
  	      return this.changeHsl$3$hue$lightness$saturation(null, lightness, null);
  	    },
  	    changeHsl$1$hue(hue) {
  	      return this.changeHsl$3$hue$lightness$saturation(hue, null, null);
  	    },
  	    changeAlpha$1(alpha) {
  	      var t2, t3, _this = this,
  	        t1 = _this.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = _this.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = _this.channel2OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      return A.SassColor_SassColor$forSpaceInternal0(_this._color0$_space, t1, t2, t3, alpha);
  	    },
  	    interpolate$4$legacyMissing$weight(other, method, legacyMissing, weight) {
  	      var t1, color1, color2, missing1_0, missing1_1, missing1_2, missing2_0, missing2_1, missing2_2, channel1_0, channel1_1, channel1_2, channel2_0, channel2_1, channel2_2, alpha1, t2, t3, alpha10, alpha2, alpha20, thisMultiplier, t4, t5, otherMultiplier, mixedAlpha, mixed0, mixed1, mixed2, _this = this, _null = null;
  	      if (weight == null)
  	        weight = 0.5;
  	      if (A.fuzzyEquals0(weight, 0))
  	        return other;
  	      if (A.fuzzyEquals0(weight, 1))
  	        return _this;
  	      t1 = method.space;
  	      color1 = _this.toSpace$1(t1);
  	      color2 = other.toSpace$1(t1);
  	      if (weight < 0 || weight > 1)
  	        throw A.wrapException(A.RangeError$range(weight, 0, 1, "weight", _null));
  	      missing1_0 = _this._color0$_isAnalogousChannelMissing$3(_this, color1, 0);
  	      missing1_1 = _this._color0$_isAnalogousChannelMissing$3(_this, color1, 1);
  	      missing1_2 = _this._color0$_isAnalogousChannelMissing$3(_this, color1, 2);
  	      missing2_0 = _this._color0$_isAnalogousChannelMissing$3(other, color2, 0);
  	      missing2_1 = _this._color0$_isAnalogousChannelMissing$3(other, color2, 1);
  	      missing2_2 = _this._color0$_isAnalogousChannelMissing$3(other, color2, 2);
  	      channel1_0 = (missing1_0 ? color2 : color1).channel0OrNull;
  	      if (channel1_0 == null)
  	        channel1_0 = 0;
  	      channel1_1 = (missing1_1 ? color2 : color1).channel1OrNull;
  	      if (channel1_1 == null)
  	        channel1_1 = 0;
  	      channel1_2 = (missing1_2 ? color2 : color1).channel2OrNull;
  	      if (channel1_2 == null)
  	        channel1_2 = 0;
  	      channel2_0 = (missing2_0 ? color1 : color2).channel0OrNull;
  	      if (channel2_0 == null)
  	        channel2_0 = 0;
  	      channel2_1 = (missing2_1 ? color1 : color2).channel1OrNull;
  	      if (channel2_1 == null)
  	        channel2_1 = 0;
  	      channel2_2 = (missing2_2 ? color1 : color2).channel2OrNull;
  	      if (channel2_2 == null)
  	        channel2_2 = 0;
  	      alpha1 = _this.alphaOrNull;
  	      t2 = alpha1 == null;
  	      if (t2) {
  	        t3 = other.alphaOrNull;
  	        alpha10 = t3 == null ? 0 : t3;
  	      } else
  	        alpha10 = alpha1;
  	      alpha2 = other.alphaOrNull;
  	      t3 = alpha2 == null;
  	      if (t3)
  	        alpha20 = t2 ? 0 : alpha1;
  	      else
  	        alpha20 = alpha2;
  	      thisMultiplier = (t2 ? 1 : alpha1) * weight;
  	      t4 = t3 ? 1 : alpha2;
  	      t5 = 1 - weight;
  	      otherMultiplier = t4 * t5;
  	      mixedAlpha = t2 && t3 ? _null : alpha10 * weight + alpha20 * t5;
  	      if (missing1_0 && missing2_0)
  	        mixed0 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed0 = (channel1_0 * thisMultiplier + channel2_0 * otherMultiplier) / t2;
  	      }
  	      if (missing1_1 && missing2_1)
  	        mixed1 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed1 = (channel1_1 * thisMultiplier + channel2_1 * otherMultiplier) / t2;
  	      }
  	      if (missing1_2 && missing2_2)
  	        mixed2 = _null;
  	      else {
  	        t2 = mixedAlpha == null ? 1 : mixedAlpha;
  	        mixed2 = (channel1_2 * thisMultiplier + channel2_2 * otherMultiplier) / t2;
  	      }
  	      $label0$0: {
  	        if (B.HslColorSpace_JQ20 === t1 || B.HwbColorSpace_guQ0 === t1) {
  	          if (missing1_0 && missing2_0)
  	            t2 = _null;
  	          else {
  	            t2 = method.hue;
  	            t2.toString;
  	            t2 = _this._color0$_interpolateHues$4(channel1_0, channel2_0, t2, weight);
  	          }
  	          t2 = A.SassColor_SassColor$forSpaceInternal0(t1, t2, mixed1, mixed2, mixedAlpha);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (B.LchColorSpace_Bpv0 === t1 || B.OklchColorSpace_9Gj0 === t1) {
  	          if (missing1_2 && missing2_2)
  	            t2 = _null;
  	          else {
  	            t2 = method.hue;
  	            t2.toString;
  	            t2 = _this._color0$_interpolateHues$4(channel1_2, channel2_2, t2, weight);
  	          }
  	          t2 = A.SassColor_SassColor$forSpaceInternal0(t1, mixed0, mixed1, t2, mixedAlpha);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = A.SassColor_SassColor$forSpaceInternal0(t1, mixed0, mixed1, mixed2, mixedAlpha);
  	        break $label0$0;
  	      }
  	      return t1.toSpace$2$legacyMissing(_this._color0$_space, legacyMissing);
  	    },
  	    interpolate$3$weight(other, method, weight) {
  	      return this.interpolate$4$legacyMissing$weight(other, method, true, weight);
  	    },
  	    _color0$_isAnalogousChannelMissing$3(original, output, outputChannelIndex) {
  	      var originalChannel;
  	      if (output.get$channelsOrNull()[outputChannelIndex] == null)
  	        return true;
  	      if (original === output)
  	        return false;
  	      originalChannel = A.IterableExtension_firstWhereOrNull(original._color0$_space._space$_channels, output._color0$_space._space$_channels[outputChannelIndex].get$isAnalogous());
  	      if (originalChannel == null)
  	        return false;
  	      return original.isChannelMissing$1(originalChannel.name);
  	    },
  	    _color0$_interpolateHues$4(hue1, hue2, method, weight) {
  	      var _0_0, _1_0;
  	      $label1$1: {
  	        if (B.HueInterpolationMethod_00 === method) {
  	          $label0$0: {
  	            _0_0 = hue2 - hue1;
  	            if (_0_0 > 180) {
  	              hue1 += 360;
  	              break $label0$0;
  	            }
  	            if (_0_0 < -180)
  	              hue2 += 360;
  	          }
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_10 === method) {
  	          $label2$2: {
  	            _1_0 = hue2 - hue1;
  	            if (_1_0 > 0 && _1_0 < 180) {
  	              hue2 += 360;
  	              break $label2$2;
  	            }
  	            if (_1_0 > -180 && _1_0 <= 0)
  	              hue1 += 360;
  	          }
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_20 === method && hue2 < hue1) {
  	          hue2 += 360;
  	          break $label1$1;
  	        }
  	        if (B.HueInterpolationMethod_30 === method && hue1 < hue2) {
  	          hue1 += 360;
  	          break $label1$1;
  	        }
  	      }
  	      return hue1 * weight + hue2 * (1 - weight);
  	    },
  	    plus$1(other) {
  	      if (!(other instanceof A.SassNumber0) && !(other instanceof A.SassColor0))
  	        return this.super$Value$plus0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      if (!(other instanceof A.SassNumber0) && !(other instanceof A.SassColor0))
  	        return this.super$Value$minus0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    dividedBy$1(other) {
  	      if (!(other instanceof A.SassNumber0) && !(other instanceof A.SassColor0))
  	        return this.super$Value$dividedBy0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " / " + other.toString$0(0) + '".', null));
  	    },
  	    $eq(_, other) {
  	      var t1, t2, _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassColor0))
  	        return false;
  	      t1 = _this._color0$_space;
  	      if (t1.get$isLegacyInternal()) {
  	        t2 = other._color0$_space;
  	        if (!t2.get$isLegacyInternal())
  	          return false;
  	        if (!A.fuzzyEqualsNullable0(_this.alphaOrNull, other.alphaOrNull))
  	          return false;
  	        if (t1 === t2)
  	          return A.fuzzyEqualsNullable0(_this.channel0OrNull, other.channel0OrNull) && A.fuzzyEqualsNullable0(_this.channel1OrNull, other.channel1OrNull) && A.fuzzyEqualsNullable0(_this.channel2OrNull, other.channel2OrNull);
  	        else
  	          return _this.toSpace$1(B.RgbColorSpace_i0P0).$eq(0, other.toSpace$1(B.RgbColorSpace_i0P0));
  	      }
  	      return t1 === other._color0$_space && A.fuzzyEqualsNullable0(_this.channel0OrNull, other.channel0OrNull) && A.fuzzyEqualsNullable0(_this.channel1OrNull, other.channel1OrNull) && A.fuzzyEqualsNullable0(_this.channel2OrNull, other.channel2OrNull) && A.fuzzyEqualsNullable0(_this.alphaOrNull, other.alphaOrNull);
  	    },
  	    get$hashCode(_) {
  	      var rgb, t2, t3, t4, t5, _this = this,
  	        t1 = _this._color0$_space;
  	      if (t1.get$isLegacyInternal()) {
  	        rgb = _this.toSpace$1(B.RgbColorSpace_i0P0);
  	        t1 = rgb.channel0OrNull;
  	        t1 = A.fuzzyHashCode0(t1 == null ? 0 : t1);
  	        t2 = rgb.channel1OrNull;
  	        t2 = A.fuzzyHashCode0(t2 == null ? 0 : t2);
  	        t3 = rgb.channel2OrNull;
  	        t3 = A.fuzzyHashCode0(t3 == null ? 0 : t3);
  	        t4 = _this.alphaOrNull;
  	        return t1 ^ t2 ^ t3 ^ A.fuzzyHashCode0(t4 == null ? 0 : t4);
  	      } else {
  	        t1 = A.Primitives_objectHashCode(t1);
  	        t2 = _this.channel0OrNull;
  	        t2 = A.fuzzyHashCode0(t2 == null ? 0 : t2);
  	        t3 = _this.channel1OrNull;
  	        t3 = A.fuzzyHashCode0(t3 == null ? 0 : t3);
  	        t4 = _this.channel2OrNull;
  	        t4 = A.fuzzyHashCode0(t4 == null ? 0 : t4);
  	        t5 = _this.alphaOrNull;
  	        return (t1 ^ t2 ^ t3 ^ t4 ^ A.fuzzyHashCode0(t5 == null ? 0 : t5)) >>> 0;
  	      }
  	    }
  	  };
  	  A.SassColor$_forSpace_closure0.prototype = {
  	    call$1(alpha) {
  	      return A.fuzzyAssertRange0(alpha, 0, 1, "alpha");
  	    },
  	    $signature: 12
  	  };
  	  A._ColorFormatEnum0.prototype = {
  	    toString$0(_) {
  	      return "rgbFunction";
  	    }
  	  };
  	  A.SpanColorFormat0.prototype = {};
  	  A.Combinator0.prototype = {
  	    _enumToString$0() {
  	      return "Combinator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._combinator0$_text;
  	    }
  	  };
  	  A.ModifiableCssComment0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssComment$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $isCssComment0: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.compileAsync_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.NodeCompileResult),
  	        $async$returnValue, $async$self = this, t5, t6, t7, t8, t9, t10, t11, t12, t13, result, t1, t2, t3, t4;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.options;
  	              t2 = t1 == null;
  	              t3 = t2 ? null : J.get$loadPaths$x(t1);
  	              t4 = t2 ? null : J.get$quietDeps$x(t1);
  	              if (t4 == null)
  	                t4 = false;
  	              t5 = A._parseOutputStyle0(t2 ? null : J.get$style$x(t1));
  	              t6 = t2 ? null : J.get$verbose$x(t1);
  	              if (t6 == null)
  	                t6 = false;
  	              t7 = t2 ? null : J.get$charset$x(t1);
  	              if (t7 == null)
  	                t7 = true;
  	              t8 = t2 ? null : J.get$sourceMap$x(t1);
  	              if (t8 == null)
  	                t8 = false;
  	              t9 = $async$self.logger;
  	              if (t2)
  	                t10 = null;
  	              else {
  	                t10 = J.get$importers$x(t1);
  	                t10 = t10 == null ? null : J.map$1$1$ax(t10, new A.compileAsync__closure(), type$.AsyncImporter);
  	              }
  	              t11 = A._parseFunctions0(t2 ? null : J.get$functions$x(t1), true);
  	              t12 = A.parseDeprecations(t9, t2 ? null : J.get$fatalDeprecations$x(t1), true);
  	              t13 = A.parseDeprecations(t9, t2 ? null : J.get$silenceDeprecations$x(t1), false);
  	              $async$goto = 3;
  	              return A._asyncAwait(A.compileAsync0($async$self.path, t7, t12, t11, A.parseDeprecations(t9, t2 ? null : J.get$futureDeprecations$x(t1), false), A.AsyncImportCache$(t10, t3, null), null, null, t9, null, t4, t13, t8, t5, null, true, t6), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              t1 = t2 ? null : J.get$sourceMapIncludeSources$x(t1);
  	              $async$returnValue = A._convertResult(result, t1 == null ? false : t1);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 232
  	  };
  	  A.compileAsync__closure.prototype = {
  	    call$1(importer) {
  	      return A._parseAsyncImporter(importer);
  	    },
  	    $signature: 233
  	  };
  	  A.compileStringAsync_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.NodeCompileResult),
  	        $async$returnValue, $async$self = this, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, result, t1, t2, t3, t4, t5, t6;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.options;
  	              t2 = t1 == null;
  	              t3 = A.parseSyntax(t2 ? null : J.get$syntax$x(t1));
  	              t4 = t2 ? null : A.NullableExtension_andThen0(J.get$url$x(t1), A.utils3__jsToDartUrl$closure());
  	              t5 = t2 ? null : J.get$loadPaths$x(t1);
  	              t6 = t2 ? null : J.get$quietDeps$x(t1);
  	              if (t6 == null)
  	                t6 = false;
  	              t7 = A._parseOutputStyle0(t2 ? null : J.get$style$x(t1));
  	              t8 = t2 ? null : J.get$verbose$x(t1);
  	              if (t8 == null)
  	                t8 = false;
  	              t9 = t2 ? null : J.get$charset$x(t1);
  	              if (t9 == null)
  	                t9 = true;
  	              t10 = t2 ? null : J.get$sourceMap$x(t1);
  	              if (t10 == null)
  	                t10 = false;
  	              t11 = $async$self.logger;
  	              if (t2)
  	                t12 = null;
  	              else {
  	                t12 = J.get$importers$x(t1);
  	                t12 = t12 == null ? null : J.map$1$1$ax(t12, new A.compileStringAsync__closure(), type$.AsyncImporter);
  	              }
  	              t13 = t2 ? null : A.NullableExtension_andThen0(J.get$importer$x(t1), new A.compileStringAsync__closure0());
  	              if (t13 == null)
  	                t13 = (t2 ? null : J.get$url$x(t1)) == null ? new A.NoOpImporter0() : null;
  	              t14 = A._parseFunctions0(t2 ? null : J.get$functions$x(t1), true);
  	              t15 = A.parseDeprecations(t11, t2 ? null : J.get$fatalDeprecations$x(t1), true);
  	              t16 = A.parseDeprecations(t11, t2 ? null : J.get$silenceDeprecations$x(t1), false);
  	              $async$goto = 3;
  	              return A._asyncAwait(A.compileStringAsync0($async$self.text, t9, t15, t14, A.parseDeprecations(t11, t2 ? null : J.get$futureDeprecations$x(t1), false), A.AsyncImportCache$(t12, t5, null), t13, null, null, t11, null, t6, t16, t10, t7, t3, t4, true, t8), $async$call$0);
  	            case 3:
  	              // returning from await.
  	              result = $async$result;
  	              t1 = t2 ? null : J.get$sourceMapIncludeSources$x(t1);
  	              $async$returnValue = A._convertResult(result, t1 == null ? false : t1);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 232
  	  };
  	  A.compileStringAsync__closure.prototype = {
  	    call$1(importer) {
  	      return A._parseAsyncImporter(importer);
  	    },
  	    $signature: 233
  	  };
  	  A.compileStringAsync__closure0.prototype = {
  	    call$1(importer) {
  	      return A._parseAsyncImporter(importer);
  	    },
  	    $signature: 426
  	  };
  	  A._wrapAsyncSassExceptions_closure.prototype = {
  	    call$1(error) {
  	      var t1;
  	      if (error instanceof A.SassException0)
  	        t1 = A.throwNodeException(error, this.ascii, this.color, null);
  	      else
  	        t1 = A.jsThrow(error == null ? A._asObject(error) : error);
  	      return t1;
  	    },
  	    $signature: 427
  	  };
  	  A._parseFunctions_closure0.prototype = {
  	    call$2(signature, callback) {
  	      var callable,
  	        t1 = this.result;
  	      if (!this.asynch) {
  	        callable = A._Cell$();
  	        callable.__late_helper$_value = A.Callable_Callable$fromSignature(signature, new A._parseFunctions__closure2(callback, callable), true);
  	        t1.push(callable._readLocal$0());
  	      } else {
  	        callable = A._Cell$();
  	        callable.__late_helper$_value = A.AsyncCallable_AsyncCallable$fromSignature(signature, new A._parseFunctions__closure3(callback, callable), true);
  	        t1.push(callable._readLocal$0());
  	      }
  	    },
  	    $signature: 126
  	  };
  	  A._parseFunctions__closure2.prototype = {
  	    call$1($arguments) {
  	      var t1, t2,
  	        _s42_ = string$.Invali,
  	        result = A.wrapJSExceptions(new A._parseFunctions___closure6(this.callback, $arguments));
  	      if (result instanceof A.Value0)
  	        return A._simplifyValue(result);
  	      t1 = result != null && result instanceof self.Promise;
  	      t2 = this.callable;
  	      if (t1) {
  	        t1 = t2.readLocal$0();
  	        throw A.wrapException(_s42_ + t1.get$name(t1) + '":\nPromises may only be returned for sass.compileAsync() and sass.compileStringAsync().');
  	      } else {
  	        t1 = t2.readLocal$0();
  	        throw A.wrapException(_s42_ + t1.get$name(t1) + '": ' + A.S(result) + " is not a sass.Value.");
  	      }
  	    },
  	    $signature: 3
  	  };
  	  A._parseFunctions___closure6.prototype = {
  	    call$0() {
  	      return type$.Function._as(this.callback).call$1(A.toJSArray(this.$arguments));
  	    },
  	    $signature: 64
  	  };
  	  A._parseFunctions__closure3.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_parseFunctions__closure0($arguments);
  	    },
  	    $call$body$_parseFunctions__closure0($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, t1, result;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              result = A.wrapJSExceptions(new A._parseFunctions___closure5($async$self.callback, $arguments));
  	              $async$goto = result != null && result instanceof self.Promise ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(A.promiseToFuture0(type$.Promise._as(result), type$.Object), $async$call$1);
  	            case 5:
  	              // returning from await.
  	              result = $async$result;
  	            case 4:
  	              // join
  	              if (result instanceof A.Value0) {
  	                $async$returnValue = A._simplifyValue(result);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	              t1 = $async$self.callable.readLocal$0();
  	              throw A.wrapException(string$.Invali + t1.get$name(t1) + '": ' + A.S(result) + " is not a sass.Value.");
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 92
  	  };
  	  A._parseFunctions___closure5.prototype = {
  	    call$0() {
  	      return type$.Function._as(this.callback).call$1(A.toJSArray(this.$arguments));
  	    },
  	    $signature: 64
  	  };
  	  A.nodePackageImporterClass_closure.prototype = {
  	    call$0() {
  	      return type$.JSClass._as(A.allowInteropCaptureThisNamed("sass.NodePackageImporter", new A.nodePackageImporterClass__closure()));
  	    },
  	    $signature: 17
  	  };
  	  A.nodePackageImporterClass__closure.prototype = {
  	    call$2($self, entrypointDirectory) {
  	      var t1, t2, _null = null,
  	        _0_3 = A.entrypointFilename();
  	      $label0$0: {
  	        if (entrypointDirectory != null) {
  	          t1 = entrypointDirectory;
  	          break $label0$0;
  	        }
  	        if (_0_3 != null) {
  	          t1 = $.$get$context().dirname$1(_0_3);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression("The Node package importer cannot determine an entry point because `require.main.filename` is not defined. Please provide an `entryPointDirectory` to the `NodePackageImporter`.");
  	      }
  	      t2 = new A.NodePackageImporter0();
  	      if (A.isBrowser())
  	        A.throwExpression(string$.The_No);
  	      t2._node_package$__NodePackageImporter__entryPointDirectory_F = A.absolute(t1, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	      return t2;
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 429
  	  };
  	  A._compileStylesheet_closure1.prototype = {
  	    call$1(url) {
  	      var t1;
  	      if (url === "") {
  	        t1 = this.stylesheet.span;
  	        t1 = A.Uri_Uri$dataFromString(A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null), B.C_Utf8Codec, null).get$_text();
  	      } else
  	        t1 = this.importCache.sourceMapUrl$1(0, A.Uri_parse(url)).toString$0(0);
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.CompileOptions.prototype = {};
  	  A.CompileStringOptions.prototype = {};
  	  A.NodeCompileResult.prototype = {};
  	  A.CompileResult0.prototype = {};
  	  A.Compiler.prototype = {};
  	  A.AsyncCompiler.prototype = {
  	    addCompilation$1(compilation) {
  	      this.compilations.add$1(0, A.promiseToFuture(compilation, type$.dynamic).catchError$1(new A.AsyncCompiler_addCompilation_closure()));
  	    }
  	  };
  	  A.AsyncCompiler_addCompilation_closure.prototype = {
  	    call$1(err) {
  	    },
  	    $signature: 62
  	  };
  	  A.compilerClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.Compiler", new A.compilerClass__closure()));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["compile", new A.compilerClass__closure0(), "compileString", new A.compilerClass__closure1(), "dispose", new A.compilerClass__closure2()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.Compiler().constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.compilerClass__closure.prototype = {
  	    call$1($self) {
  	      return A.LinkedHashSet_LinkedHashSet$_literal([A.jsThrow(new self.Error("Compiler can not be directly constructed. Please use `sass.initCompiler()` instead."))], type$.Never);
  	    },
  	    $signature: 234
  	  };
  	  A.compilerClass__closure0.prototype = {
  	    call$3($self, path, options) {
  	      if ($self._disposed)
  	        A.jsThrow(new self.Error("Compiler has already been disposed."));
  	      return A.compile0(path, options);
  	    },
  	    call$2($self, path) {
  	      return this.call$3($self, path, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 431
  	  };
  	  A.compilerClass__closure1.prototype = {
  	    call$3($self, source, options) {
  	      if ($self._disposed)
  	        A.jsThrow(new self.Error("Compiler has already been disposed."));
  	      return A.compileString0(source, options);
  	    },
  	    call$2($self, source) {
  	      return this.call$3($self, source, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 432
  	  };
  	  A.compilerClass__closure2.prototype = {
  	    call$1($self) {
  	      $self._disposed = true;
  	    },
  	    $signature: 433
  	  };
  	  A.asyncCompilerClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.AsyncCompiler", new A.asyncCompilerClass__closure()));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["compileAsync", new A.asyncCompilerClass__closure0(), "compileStringAsync", new A.asyncCompilerClass__closure1(), "dispose", new A.asyncCompilerClass__closure2()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.AsyncCompiler(new A.FutureGroup(new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_List_void), type$._AsyncCompleter_List_void), [], type$.FutureGroup_void)).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.asyncCompilerClass__closure.prototype = {
  	    call$1($self) {
  	      return A.LinkedHashSet_LinkedHashSet$_literal([A.jsThrow(new self.Error("AsyncCompiler can not be directly constructed. Please use `sass.initAsyncCompiler()` instead."))], type$.Never);
  	    },
  	    $signature: 234
  	  };
  	  A.asyncCompilerClass__closure0.prototype = {
  	    call$3($self, path, options) {
  	      var compilation;
  	      if ($self._disposed)
  	        A.jsThrow(new self.Error("Compiler has already been disposed."));
  	      compilation = A.compileAsync1(path, options);
  	      $self.addCompilation$1(compilation);
  	      return compilation;
  	    },
  	    call$2($self, path) {
  	      return this.call$3($self, path, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 434
  	  };
  	  A.asyncCompilerClass__closure1.prototype = {
  	    call$3($self, source, options) {
  	      var compilation;
  	      if ($self._disposed)
  	        A.jsThrow(new self.Error("Compiler has already been disposed."));
  	      compilation = A.compileStringAsync1(source, options);
  	      $self.addCompilation$1(compilation);
  	      return compilation;
  	    },
  	    call$2($self, source) {
  	      return this.call$3($self, source, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 435
  	  };
  	  A.asyncCompilerClass__closure2.prototype = {
  	    call$1($self) {
  	      $self._disposed = true;
  	      return A.futureToPromise0(new A.asyncCompilerClass___closure($self).call$0());
  	    },
  	    $signature: 436
  	  };
  	  A.asyncCompilerClass___closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
  	        $async$self = this, t1;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = $async$self.self.compilations;
  	              t1.close$0(0);
  	              $async$goto = 2;
  	              return A._asyncAwait(t1._future_group$_completer.future, $async$call$0);
  	            case 2:
  	              // returning from await.
  	              // implicit return
  	              return A._asyncReturn(null, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 2
  	  };
  	  A.initAsyncCompiler_closure.prototype = {
  	    call$0() {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.AsyncCompiler),
  	        $async$returnValue;
  	      var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              $async$returnValue = new A.AsyncCompiler(new A.FutureGroup(new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_List_void), type$._AsyncCompleter_List_void), [], type$.FutureGroup_void));
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$0, $async$completer);
  	    },
  	    $signature: 437
  	  };
  	  A.InterpolatedComplexSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitComplexSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.components, " ");
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ComplexSassNumber0.prototype = {
  	    get$numeratorUnits(_) {
  	      return this._complex0$_numeratorUnits;
  	    },
  	    get$denominatorUnits(_) {
  	      return this._complex0$_denominatorUnits;
  	    },
  	    get$hasUnits() {
  	      return true;
  	    },
  	    get$hasComplexUnits() {
  	      return true;
  	    },
  	    hasUnit$1(unit) {
  	      return false;
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return false;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      throw A.wrapException(A.UnimplementedError$(string$.Comple));
  	    },
  	    withValue$1(value) {
  	      return new A.ComplexSassNumber0(this._complex0$_numeratorUnits, this._complex0$_denominatorUnits, value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.ComplexSassNumber0(this._complex0$_numeratorUnits, this._complex0$_denominatorUnits, this._number1$_value, new A._Record_2(numerator, denominator));
  	    }
  	  };
  	  A.ComplexSelector0.prototype = {
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this._complex$__ComplexSelector_specificity_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.fold$2(_this.components, 0, new A.ComplexSelector_specificity_closure0());
  	        _this._complex$__ComplexSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._complex$__ComplexSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$singleCompound() {
  	      var _0_0, t1, _0_4, selector;
  	      if (this.leadingCombinators.length !== 0)
  	        return null;
  	      _0_0 = this.components;
  	      $label0$0: {
  	        t1 = false;
  	        if (_0_0.length === 1) {
  	          _0_4 = _0_0[0];
  	          selector = _0_4.selector;
  	          t1 = _0_4.combinators.length <= 0;
  	        } else
  	          selector = null;
  	        if (t1) {
  	          t1 = selector;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitComplexSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    isSuperselector$1(other) {
  	      return this.leadingCombinators.length === 0 && other.leadingCombinators.length === 0 && A.complexIsSuperselector0(this.components, other.components);
  	    },
  	    withAdditionalCombinators$1(combinators) {
  	      var _0_0, _0_1, t1, initial, last, _this = this;
  	      if (combinators.length === 0)
  	        return _this;
  	      _0_0 = _this.components;
  	      $label0$0: {
  	        _0_1 = _0_0.length;
  	        if (_0_1 >= 1) {
  	          t1 = _0_1 - 1;
  	          initial = B.JSArray_methods.sublist$2(_0_0, 0, t1);
  	          last = _0_0[t1];
  	          t1 = A.List_List$_of(initial, type$.ComplexSelectorComponent_2);
  	          t1.push(last.withAdditionalCombinators$1(combinators));
  	          t1 = A.ComplexSelector$0(_this.leadingCombinators, t1, _this.span, _this.lineBreak);
  	          break $label0$0;
  	        }
  	        if (_0_1 <= 0) {
  	          t1 = A.List_List$_of(_this.leadingCombinators, type$.CssValue_Combinator_2);
  	          B.JSArray_methods.addAll$1(t1, combinators);
  	          t1 = A.ComplexSelector$0(t1, B.List_empty19, _this.span, _this.lineBreak);
  	          break $label0$0;
  	        }
  	        t1 = null;
  	      }
  	      return t1;
  	    },
  	    concatenate$3$forceLineBreak(child, span, forceLineBreak) {
  	      var t2, _0_1, initial, last, _this = this,
  	        t1 = child.leadingCombinators,
  	        _0_0 = _this.components;
  	      if (t1.length === 0) {
  	        t1 = A.List_List$_of(_0_0, type$.ComplexSelectorComponent_2);
  	        B.JSArray_methods.addAll$1(t1, child.components);
  	        t2 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	        return A.ComplexSelector$0(_this.leadingCombinators, t1, span, t2);
  	      } else {
  	        _0_1 = _0_0.length;
  	        if (_0_1 >= 1) {
  	          t2 = _0_1 - 1;
  	          initial = B.JSArray_methods.sublist$2(_0_0, 0, t2);
  	          last = _0_0[t2];
  	          t2 = A.List_List$_of(initial, type$.ComplexSelectorComponent_2);
  	          t2.push(last.withAdditionalCombinators$1(t1));
  	          B.JSArray_methods.addAll$1(t2, child.components);
  	          t1 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	          return A.ComplexSelector$0(_this.leadingCombinators, t2, span, t1);
  	        } else {
  	          t2 = A.List_List$_of(_this.leadingCombinators, type$.CssValue_Combinator_2);
  	          B.JSArray_methods.addAll$1(t2, t1);
  	          t1 = _this.lineBreak || child.lineBreak || forceLineBreak;
  	          return A.ComplexSelector$0(t2, child.components, span, t1);
  	        }
  	      }
  	    },
  	    concatenate$2(child, span) {
  	      return this.concatenate$3$forceLineBreak(child, span, false);
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.leadingCombinators) ^ B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ComplexSelector0 && B.C_ListEquality.equals$2(0, this.leadingCombinators, other.leadingCombinators) && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.ComplexSelector_specificity_closure0.prototype = {
  	    call$2(sum, component) {
  	      return sum + component.selector.get$specificity();
  	    },
  	    $signature: 438
  	  };
  	  A.InterpolatedComplexSelectorComponent.prototype = {
  	    toString$0(_) {
  	      var t1,
  	        _0_0 = this.combinator;
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = this.selector.toString$0(0) + " " + _0_0.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = B.JSArray_methods.join$1(this.selector.components, "");
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ComplexSelectorComponent0.prototype = {
  	    withAdditionalCombinators$1(combinators) {
  	      var t1, t2, _this = this;
  	      if (combinators.length === 0)
  	        t1 = _this;
  	      else {
  	        t1 = type$.CssValue_Combinator_2;
  	        t2 = A.List_List$_of(_this.combinators, t1);
  	        B.JSArray_methods.addAll$1(t2, combinators);
  	        t1 = new A.ComplexSelectorComponent0(_this.selector, A.List_List$unmodifiable(t2, t1), _this.span);
  	      }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.selector.components) ^ B.C_ListEquality0.hash$1(this.combinators);
  	    },
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      if (other instanceof A.ComplexSelectorComponent0) {
  	        t1 = B.C_ListEquality.equals$2(0, this.selector.components, other.selector.components);
  	        t1 = t1 && B.C_ListEquality.equals$2(0, this.combinators, other.combinators);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    toString$0(_) {
  	      var t1 = this.combinators;
  	      return A.serializeSelector0(this.selector, true) + new A.MappedListIterable(t1, new A.ComplexSelectorComponent_toString_closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$1(0, "");
  	    }
  	  };
  	  A.ComplexSelectorComponent_toString_closure0.prototype = {
  	    call$1(combinator) {
  	      return " " + combinator.toString$0(0);
  	    },
  	    $signature: 439
  	  };
  	  A.InterpolatedCompoundSelector.prototype = {
  	    get$span(_) {
  	      var t2,
  	        t1 = this.components;
  	      if (t1.length === 1) {
  	        t1 = B.JSArray_methods.get$first(t1);
  	        t1 = t1.get$span(t1);
  	      } else {
  	        t2 = B.JSArray_methods.get$first(t1);
  	        t2 = t2.get$span(t2);
  	        t1 = B.JSArray_methods.get$last(t1);
  	        t1 = t2.expand$1(0, t1.get$span(t1));
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCompoundSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.components, "");
  	    }
  	  };
  	  A.CompoundSelector0.prototype = {
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this._compound$__CompoundSelector_specificity_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.fold$2(_this.components, 0, new A.CompoundSelector_specificity_closure0());
  	        _this._compound$__CompoundSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._compound$__CompoundSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      var result, _this = this,
  	        value = _this._compound$__CompoundSelector_hasComplicatedSuperselectorSemantics_FI;
  	      if (value === $) {
  	        result = B.JSArray_methods.any$1(_this.components, new A.CompoundSelector_hasComplicatedSuperselectorSemantics_closure0());
  	        _this._compound$__CompoundSelector_hasComplicatedSuperselectorSemantics_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._compound$__CompoundSelector_hasComplicatedSuperselectorSemantics_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCompoundSelector$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CompoundSelector0 && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.CompoundSelector_specificity_closure0.prototype = {
  	    call$2(sum, component) {
  	      return sum + component.get$specificity();
  	    },
  	    $signature: 440
  	  };
  	  A.CompoundSelector_hasComplicatedSuperselectorSemantics_closure0.prototype = {
  	    call$1(component) {
  	      return component.get$hasComplicatedSuperselectorSemantics();
  	    },
  	    $signature: 15
  	  };
  	  A.Configuration0.prototype = {
  	    throughForward$1($forward) {
  	      var _0_0, _1_0, _2_0, t1, hiddenVariables,
  	        newValues = this._configuration0$_values;
  	      if (newValues.get$isEmpty(newValues))
  	        return this;
  	      _0_0 = $forward.prefix;
  	      if (_0_0 != null)
  	        newValues = new A.UnprefixedMapView0(newValues, _0_0, type$.UnprefixedMapView_ConfiguredValue_2);
  	      _1_0 = $forward.shownVariables;
  	      if (_1_0 != null)
  	        newValues = new A.LimitedMapView0(newValues, _1_0._base.intersection$1(new A.MapKeySet(newValues, type$.MapKeySet_nullable_Object)), type$.LimitedMapView_String_ConfiguredValue_2);
  	      else {
  	        _2_0 = $forward.hiddenVariables;
  	        if (_2_0 != null) {
  	          t1 = _2_0._base.get$isNotEmpty(0);
  	          hiddenVariables = _2_0;
  	        } else {
  	          hiddenVariables = null;
  	          t1 = false;
  	        }
  	        if (t1)
  	          newValues = A.LimitedMapView$blocklist0(newValues, hiddenVariables, type$.String, type$.ConfiguredValue_2);
  	      }
  	      return this._configuration0$_withValues$1(newValues);
  	    },
  	    _configuration0$_withValues$1(values) {
  	      var t1 = this._configuration0$__originalConfiguration;
  	      return new A.Configuration0(values, t1 == null ? this : t1);
  	    },
  	    toString$0(_) {
  	      var t2, t3,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = A.MapExtensions_get_pairs0(new A.UnmodifiableMapView(this._configuration0$_values, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.String, type$.ConfiguredValue_2), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t1.push("$" + t3._0 + ": " + t3._1.toString$0(0));
  	      }
  	      return "(" + B.JSArray_methods.join$1(t1, ",") + ")";
  	    }
  	  };
  	  A.ExplicitConfiguration0.prototype = {
  	    _configuration0$_withValues$1(values) {
  	      var t1 = this._configuration0$__originalConfiguration;
  	      if (t1 == null)
  	        t1 = this;
  	      return new A.ExplicitConfiguration0(this.nodeWithSpan, values, t1);
  	    }
  	  };
  	  A.ConfiguredValue0.prototype = {
  	    toString$0(_) {
  	      return this.value.toString$0(0);
  	    }
  	  };
  	  A.ConfiguredVariable0.prototype = {
  	    toString$0(_) {
  	      var t1 = this.expression.toString$0(0),
  	        t2 = this.isGuarded ? " !default" : "";
  	      return "$" + this.name + ": " + t1 + t2;
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ContentBlock0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitContentBlock$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.parameters;
  	      t1 = t1.parameters.length === 0 && t1.restParameter == null ? "" : " using (" + t1.toString$0(0) + ")";
  	      return t1 + (" {" + B.JSArray_methods.join$1(this.children, " ") + "}");
  	    }
  	  };
  	  A.ContentRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitContentRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.$arguments;
  	      return t1.get$isEmpty(0) ? "@content;" : "@content(" + t1.toString$0(0) + ");";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._disallowedFunctionNames_closure0.prototype = {
  	    call$1($function) {
  	      return $function.name;
  	    },
  	    $signature: 441
  	  };
  	  A.CssParser0.prototype = {
  	    get$plainCss() {
  	      return true;
  	    },
  	    silentComment$0() {
  	      var t1, t2, _this = this;
  	      if (_this._stylesheet0$_inExpression)
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.super$Parser$silentComment0();
  	      _this.error$2(0, string$.Silent, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    atRule$2$root(child, root) {
  	      var $name, _0_0, result, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(64);
  	      $name = _this.interpolatedIdentifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _0_0 = $name.get$asPlain();
  	      $label0$0: {
  	        if ("at-root" === _0_0 || "content" === _0_0 || "debug" === _0_0 || "each" === _0_0 || "error" === _0_0 || "extend" === _0_0 || "for" === _0_0 || "if" === _0_0 || "include" === _0_0 || "mixin" === _0_0 || "return" === _0_0 || "warn" === _0_0 || "while" === _0_0)
  	          _this._css$_forbiddenAtRule$1(start);
  	        if ("import" === _0_0) {
  	          t1 = _this._css$_cssImportRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("function" === _0_0) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (!t1.matches$1("--")) {
  	            _this.almostAnyValue$0();
  	            _this.error$2(0, "This at-rule isn't allowed in plain CSS.", t1.spanFrom$1(start));
  	            result = null;
  	          } else
  	            result = _this.unknownAtRule$2(start, $name);
  	          t1 = result;
  	          break $label0$0;
  	        }
  	        if ("media" === _0_0) {
  	          t1 = _this.mediaRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("-moz-document" === _0_0) {
  	          t1 = _this.mozDocumentRule$2(start, $name);
  	          break $label0$0;
  	        }
  	        if ("supports" === _0_0) {
  	          t1 = _this.supportsRule$1(start);
  	          break $label0$0;
  	        }
  	        t1 = _this.unknownAtRule$2(start, $name);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _css$_forbiddenAtRule$1(start) {
  	      this.almostAnyValue$0();
  	      this.error$2(0, "This at-rule isn't allowed in plain CSS.", this.spanFrom$1(start));
  	    },
  	    _css$_cssImportRule$1(start) {
  	      var _0_0, t3, string, $name, _0_3, _0_4, t4, _0_8, t5, modifiers, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        _1_0 = t1.peekChar$0();
  	      $label1$1: {
  	        if (117 === _1_0 || 85 === _1_0) {
  	          _0_0 = _this.dynamicUrl$0();
  	          $label0$0: {
  	            if (_0_0 instanceof A.StringExpression0) {
  	              t3 = _0_0.text;
  	              break $label0$0;
  	            }
  	            string = _null;
  	            t3 = false;
  	            if (_0_0 instanceof A.InterpolatedFunctionExpression0) {
  	              $name = _0_0.name;
  	              _0_3 = _0_0.$arguments;
  	              _0_4 = _0_3.positional;
  	              t4 = _0_4;
  	              if (t4.length === 1) {
  	                _0_8 = _0_4[0];
  	                t4 = _0_8;
  	                if (t4 instanceof A.StringExpression0) {
  	                  type$.StringExpression_2._as(_0_8);
  	                  t4 = _0_3.named;
  	                  if (t4.get$isEmpty(t4))
  	                    if (_0_3.rest == null)
  	                      t3 = _0_3.keywordRest == null;
  	                  string = _0_8;
  	                }
  	              }
  	            } else
  	              $name = _null;
  	            if (t3) {
  	              t3 = new A.StringBuffer("");
  	              t4 = new A.InterpolationBuffer0(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	              t4.addInterpolation$1($name);
  	              t5 = A.Primitives_stringFromCharCode(40);
  	              t3._contents += t5;
  	              t4.addInterpolation$1(string.asInterpolation$0());
  	              t5 = A.Primitives_stringFromCharCode(41);
  	              t3._contents += t5;
  	              t4 = t4.interpolation$1(_0_0.span);
  	              t3 = t4;
  	              break $label0$0;
  	            }
  	            t3 = _this.error$2(0, "Unsupported plain CSS import.", _0_0.get$span(_0_0));
  	          }
  	          break $label1$1;
  	        }
  	        t3 = _this.interpolatedString$0().asInterpolation$1$static(true);
  	        break $label1$1;
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      modifiers = _this.tryImportModifiers$0();
  	      _this.expectStatementSeparator$1("@import rule");
  	      t2 = A._setArrayType([new A.StaticImport0(t3, modifiers, _this.spanFrom$1(new A._SpanScannerState(t1, t2)))], type$.JSArray_Import_2);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.ImportRule0(A.List_List$unmodifiable(t2, type$.Import_2), t1);
  	    },
  	    parentheses$0() {
  	      var expression, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      expression = _this.expressionUntilComma$0();
  	      t1.expectChar$1(41);
  	      return new A.ParenthesizedExpression0(expression, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    identifierLike$0() {
  	      var t2, allowEmptySecondArg, $arguments, t3, t4, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        identifier = _this.interpolatedIdentifier$0(),
  	        plain = identifier.get$asPlain(),
  	        lower = plain.toLowerCase(),
  	        _0_0 = _this.trySpecialFunction$2(lower, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      t2 = t1._string_scanner$_position;
  	      if (t1.scanChar$1(46))
  	        return _this.namespacedExpression$2(plain, start);
  	      else if (lower === "if" && t1.peekChar$0() === 40)
  	        return _this.ifExpression$1(start);
  	      else if (!t1.scanChar$1(40))
  	        return new A.StringExpression0(identifier, false);
  	      allowEmptySecondArg = lower === "var";
  	      $arguments = A._setArrayType([], type$.JSArray_Expression_2);
  	      if (!t1.scanChar$1(41)) {
  	        do {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (allowEmptySecondArg && $arguments.length === 1 && t1.peekChar$0() === 41) {
  	            t3 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	            t4 = t3.offset;
  	            t4 = A._FileSpan$(t3.file, t4, t4);
  	            $arguments.push(new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable([""], type$.Object), B.List_null, t4), false));
  	            break;
  	          }
  	          $arguments.push(_this.expressionUntilComma$1$singleEquals(true));
  	          _this.whitespace$1$consumeNewlines(true);
  	        } while (t1.scanChar$1(44));
  	        t1.expectChar$1(41);
  	      }
  	      if ($.$get$_disallowedFunctionNames0().contains$1(0, plain))
  	        _this.error$2(0, string$.This_f, _this.spanFrom$1(start));
  	      t1 = A.ArgumentList$0($arguments, B.Map_empty14, B.Map_empty5, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), null, null);
  	      t2 = _this.spanFrom$1(start);
  	      return new A.FunctionExpression0(null, A.stringReplaceAllUnchecked(plain, "_", "-"), plain, t1, t2);
  	    },
  	    namespacedExpression$2(namespace, start) {
  	      var expression = this.super$StylesheetParser$namespacedExpression0(namespace, start);
  	      this.error$2(0, string$.Modulen, expression.get$span(expression));
  	    }
  	  };
  	  A.DebugRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitDebugRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@debug " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssDeclaration0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssDeclaration$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + ": " + this.value.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Declaration0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitDeclaration$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, _0_0, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        t1 = _this.name.toString$0(0);
  	      buffer._contents = t1;
  	      t1 = buffer._contents = t1 + A.Primitives_stringFromCharCode(58);
  	      t2 = _this.value;
  	      if (t2 != null) {
  	        if (_this.parsedAsSassScript)
  	          t1 = buffer._contents = t1 + A.Primitives_stringFromCharCode(32);
  	        buffer._contents = t1 + t2.toString$0(0);
  	      }
  	      _0_0 = _this.children;
  	      if (_0_0 != null)
  	        return buffer.toString$0(0) + " {" + B.JSArray_methods.join$1(_0_0, " ") + "}";
  	      else
  	        return buffer.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsDeclaration0.prototype = {
  	    get$isCustomProperty() {
  	      var t1,
  	        _0_0 = this.name;
  	      $label0$0: {
  	        if (_0_0 instanceof A.StringExpression0 && !_0_0.hasQuotes) {
  	          t1 = B.JSString_methods.startsWith$1(_0_0.text.get$initialPlain(), "--");
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    toInterpolation$0() {
  	      var visitor, _1_0, _null = null,
  	        t1 = new A.StringBuffer(""),
  	        t2 = type$.JSArray_Object,
  	        t3 = type$.JSArray_nullable_FileSpan,
  	        buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], t2), A._setArrayType([], t3)),
  	        t4 = this.span,
  	        t5 = this.name,
  	        t6 = A.SpanExtensions_before(t4, t5.get$span(t5));
  	      t6 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t6.file._decodedChars, t6._file$_start, t6._end), 0, _null);
  	      t1._contents += t6;
  	      if (t5 instanceof A.StringExpression0 && !t5.hasQuotes)
  	        buffer.addInterpolation$1(t5.text);
  	      else
  	        buffer.add$2(0, t5, t5.get$span(t5));
  	      t6 = this.value;
  	      t5 = A.SpanExtensions_between(t5.get$span(t5), t6.get$span(t6));
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, _null);
  	      t1._contents += t5;
  	      visitor = new A.SourceInterpolationVisitor(new A.InterpolationBuffer0(new A.StringBuffer(""), A._setArrayType([], t2), A._setArrayType([], t3)));
  	      t6.accept$1(visitor);
  	      t3 = visitor.buffer;
  	      _1_0 = t3 == null ? _null : t3.interpolation$1(t6.get$span(t6));
  	      if (_1_0 != null)
  	        buffer.addInterpolation$1(_1_0);
  	      else
  	        buffer.add$2(0, t6, t6.get$span(t6));
  	      t2 = A.SpanExtensions_after(t4, t6.get$span(t6));
  	      t2 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2.file._decodedChars, t2._file$_start, t2._end), 0, _null);
  	      t1._contents += t2;
  	      return buffer.interpolation$1(t4);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsDeclaration0(this.name, this.value, span);
  	    },
  	    toString$0(_) {
  	      return "(" + this.name.toString$0(0) + ": " + this.value.toString$0(0) + ")";
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.DefaultLogger0.prototype = {
  	    get$_default0$_inner() {
  	      var t1 = $._default0;
  	      if (t1 == null)
  	        t1 = $._default0 = new A.StderrLogger0(A.hasTerminal0() || A.isBrowser());
  	      return t1;
  	    },
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      return this.get$_default0$_inner().internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	      return this.get$_default0$_inner().debug$2(0, message, span);
  	    }
  	  };
  	  A.Deprecation0.prototype = {
  	    _enumToString$0() {
  	      return "Deprecation." + this._name;
  	    },
  	    get$deprecatedIn(_) {
  	      return A.NullableExtension_andThen0(this._deprecation$_deprecatedIn, A.version_Version___parse_tearOff$closure());
  	    },
  	    get$obsoleteIn(_) {
  	      var t1 = this._deprecation$_obsoleteIn;
  	      return t1 == null ? null : A.NullableExtension_andThen0(t1, A.version_Version___parse_tearOff$closure());
  	    },
  	    toString$0(_) {
  	      return this.id;
  	    }
  	  };
  	  A.Deprecation_fromId_closure0.prototype = {
  	    call$1(deprecation) {
  	      return deprecation.id === this.id;
  	    },
  	    $signature: 442
  	  };
  	  A.DeprecationProcessingLogger0.prototype = {
  	    validate$0() {
  	      var t1, t2, t3, t4, $self, t5, _this = this, _null = null;
  	      for (t1 = _this.fatalDeprecations, t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, A._instanceType(t1)._precomputed1), t2 = _this.silenceDeprecations, t3 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t4 = t1._collection$_current;
  	        if (t4 == null)
  	          t4 = t3._as(t4);
  	        $self = t4._deprecation$_obsoleteIn;
  	        if ($self == null)
  	          t5 = _null;
  	        else
  	          t5 = A.Version___parse_tearOff($self);
  	        if (t5 instanceof A.Version) {
  	          t4 = t4.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace(t4 + string$.x20deprex20ix2c, _null, _null, _null);
  	          continue;
  	        }
  	        t5 = t2.contains$1(0, t4);
  	        if (t5) {
  	          t4 = t4.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace("Ignoring setting to silence " + t4 + string$.x20deprex2c, _null, _null, _null);
  	          continue;
  	        }
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, A._instanceType(t2)._precomputed1), t2 = t1.$ti._precomputed1, t3 = _this.futureDeprecations; t1.moveNext$0();) {
  	        t4 = t1._collection$_current;
  	        if (t4 == null)
  	          t4 = t2._as(t4);
  	        if (B.Deprecation_kGe === t4) {
  	          _this.internalWarn$4$deprecation$span$trace(string$.User_a, _null, _null, _null);
  	          continue;
  	        }
  	        $self = t4._deprecation$_obsoleteIn;
  	        if ($self == null)
  	          t5 = _null;
  	        else
  	          t5 = A.Version___parse_tearOff($self);
  	        if (t5 instanceof A.Version) {
  	          t4 = t4.toString$0(0);
  	          _this.internalWarn$4$deprecation$span$trace(t4 + string$.x20deprex20ix2e, _null, _null, _null);
  	          continue;
  	        }
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, A._instanceType(t3)._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        t3 = (t3 == null ? t2._as(t3) : t3).toString$0(0);
  	        _this.internalWarn$4$deprecation$span$trace(t3 + string$.x20is_noaf, _null, _null, _null);
  	      }
  	    },
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      if (deprecation != null)
  	        this._deprecation_processing$_handleDeprecation$4$span$trace(deprecation, message, span, trace);
  	      else
  	        this._deprecation_processing$_inner.internalWarn$4$deprecation$span$trace(message, null, span, trace);
  	    },
  	    _deprecation_processing$_handleDeprecation$4$span$trace(deprecation, message, span, trace) {
  	      var _0_3_isSet, t1, span0, _0_3, t2, count, _this = this, _null = null;
  	      if (_this.fatalDeprecations.contains$1(0, deprecation)) {
  	        message += string$.x0a_This + deprecation.toString$0(0) + string$.x20deprex20t;
  	        $label0$0: {
  	          _0_3_isSet = span != null;
  	          t1 = false;
  	          if (_0_3_isSet) {
  	            t1 = trace != null;
  	            span0 = span;
  	            _0_3 = trace;
  	          } else {
  	            span0 = _null;
  	            _0_3 = span0;
  	          }
  	          if (t1) {
  	            if (_0_3_isSet)
  	              trace = _0_3;
  	            t1 = A.SassRuntimeException$0(message, span0, trace == null ? type$.Trace._as(trace) : trace, _null);
  	            break $label0$0;
  	          }
  	          t1 = false;
  	          if (span != null)
  	            t1 = (_0_3_isSet ? _0_3 : trace) == null;
  	          else
  	            span = _null;
  	          if (t1) {
  	            t1 = A.SassException$0(message, span, _null);
  	            break $label0$0;
  	          }
  	          t1 = A.SassScriptException$0(message, _null);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(t1);
  	      }
  	      if (_this.silenceDeprecations.contains$1(0, deprecation))
  	        return;
  	      if (_this.limitRepetition) {
  	        t1 = _this._deprecation_processing$_warningCounts;
  	        t2 = t1.$index(0, deprecation);
  	        count = (t2 == null ? 0 : t2) + 1;
  	        t1.$indexSet(0, deprecation, count);
  	        if (count > 5)
  	          return;
  	      }
  	      _this._deprecation_processing$_inner.internalWarn$4$deprecation$span$trace(message, deprecation, span, trace);
  	    },
  	    debug$2(_, message, span) {
  	      return this._deprecation_processing$_inner.debug$2(0, message, span);
  	    },
  	    summarize$1$js(js) {
  	      var t1 = this._deprecation_processing$_warningCounts,
  	        t2 = A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>"),
  	        total = A.IterableIntegerExtension_get_sum(new A.MappedIterable(new A.WhereIterable(new A.LinkedHashMapValuesIterable(t1, t2), new A.DeprecationProcessingLogger_summarize_closure1(), t2._eval$1("WhereIterable<Iterable.E>")), new A.DeprecationProcessingLogger_summarize_closure2(), t2._eval$1("MappedIterable<Iterable.E,int>")));
  	      if (total > 0) {
  	        t1 = js ? "" : string$.x0aRun_i;
  	        this._deprecation_processing$_inner.internalWarn$4$deprecation$span$trace("" + total + string$.x20repet + t1, null, null, null);
  	      }
  	    }
  	  };
  	  A.DeprecationProcessingLogger_summarize_closure1.prototype = {
  	    call$1(count) {
  	      return count > 5;
  	    },
  	    $signature: 50
  	  };
  	  A.DeprecationProcessingLogger_summarize_closure2.prototype = {
  	    call$1(count) {
  	      return count - 5;
  	    },
  	    $signature: 157
  	  };
  	  A.Deprecation1.prototype = {};
  	  A.deprecations_closure.prototype = {
  	    call$0() {
  	      var _0_8_isSet, _0_8, t1,
  	        _0_0 = this.deprecation;
  	      $label0$0: {
  	        _0_8_isSet = A.NullableExtension_andThen0(_0_0._deprecation$_deprecatedIn, A.version_Version___parse_tearOff$closure()) == null;
  	        if (_0_8_isSet) {
  	          _0_8 = _0_0.get$obsoleteIn(0) == null;
  	          t1 = _0_8;
  	        } else {
  	          _0_8 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = "user";
  	          break $label0$0;
  	        }
  	        if (_0_8_isSet ? _0_8 : _0_0.get$obsoleteIn(0) == null) {
  	          t1 = "active";
  	          break $label0$0;
  	        }
  	        t1 = "obsolete";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 29
  	  };
  	  A.parseDeprecations_closure.prototype = {
  	    call$0() {
  	      return new A._SyncStarIterable(this.$call$body$parseDeprecations_closure(), type$._SyncStarIterable_Deprecation);
  	    },
  	    $call$body$parseDeprecations_closure() {
  	      var $async$self = this;
  	      return function() {
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, t3, t4, item, t5, id, deprecation, version;
  	        return function $async$call$0($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = J.get$iterator$ax($async$self.deprecations), t2 = type$.Deprecation_2, t3 = $async$self.supportVersions, t4 = $async$self.logger;
  	              case 2:
  	                // for condition
  	                if (!t1.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 3;
  	                  break;
  	                }
  	                item = t1.get$current(t1);
  	                t5 = typeof item == "string";
  	                id = t5 ? item : null;
  	                $async$goto = t5 ? 4 : 5;
  	                break;
  	              case 4:
  	                // then
  	                deprecation = A.Deprecation_fromId0(id);
  	                $async$goto = deprecation == null ? 6 : 8;
  	                break;
  	              case 6:
  	                // then
  	                t4.internalWarn$4$deprecation$span$trace('Invalid deprecation "' + A.S(id) + '".', null, null, null);
  	                // goto join
  	                $async$goto = 7;
  	                break;
  	              case 8:
  	                // else
  	                $async$goto = 9;
  	                return $async$iterator._async$_current = deprecation, 1;
  	              case 9:
  	                // after yield
  	              case 7:
  	                // join
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 5:
  	                // join
  	                t5 = t2._is(item);
  	                id = t5 ? J.get$id$x(item) : null;
  	                $async$goto = t5 ? 10 : 11;
  	                break;
  	              case 10:
  	                // then
  	                deprecation = A.Deprecation_fromId0(id);
  	                $async$goto = deprecation == null ? 12 : 14;
  	                break;
  	              case 12:
  	                // then
  	                t4.internalWarn$4$deprecation$span$trace('Invalid deprecation "' + A.S(id) + '".', null, null, null);
  	                // goto join
  	                $async$goto = 13;
  	                break;
  	              case 14:
  	                // else
  	                $async$goto = 15;
  	                return $async$iterator._async$_current = deprecation, 1;
  	              case 15:
  	                // after yield
  	              case 13:
  	                // join
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 11:
  	                // join
  	                if (item instanceof A.Version) {
  	                  t5 = t3;
  	                  version = item;
  	                } else {
  	                  version = null;
  	                  t5 = false;
  	                }
  	                $async$goto = t5 ? 16 : 17;
  	                break;
  	              case 16:
  	                // then
  	                $async$goto = 18;
  	                return $async$iterator._yieldStar$1(A.Deprecation_forVersion0(version));
  	              case 18:
  	                // after yield
  	              case 17:
  	                // join
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 3:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    $signature: 443
  	  };
  	  A.versionClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.Version", new A.versionClass__closure()));
  	      jsClass.parse = A.allowInteropNamed("parse", new A.versionClass__closure0());
  	      A.JSClassExtension_injectSuperclass(t1._as(A.Version_Version(0, 0, 0, null).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.versionClass__closure.prototype = {
  	    call$4($self, major, minor, patch) {
  	      return A.Version_Version(major, minor, patch, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 4,
  	    $signature: 444
  	  };
  	  A.versionClass__closure0.prototype = {
  	    call$1(version) {
  	      var v = A.Version_Version$parse(version);
  	      if (v.preRelease.length !== 0 || v.build.length !== 0)
  	        throw A.wrapException(A.FormatException$("Build identifiers and prerelease versions not supported.", null, null));
  	      return v;
  	    },
  	    $signature: 235
  	  };
  	  A.DisplayP3ColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1;
  	      if (dest === B.DisplayP3LinearColorSpace_PrP0) {
  	        t1 = this.get$toLinear();
  	        t1 = A.SassColor_SassColor$forSpaceInternal0(dest, A.NullableExtension_andThen0(red, t1), A.NullableExtension_andThen0(green, t1), A.NullableExtension_andThen0(blue, t1), alpha);
  	      } else
  	        t1 = this.super$ColorSpace$convertLinear0(dest, red, green, blue, alpha, false, false, false, false, false);
  	      return t1;
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear0(channel);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear0(channel);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.DisplayP3LinearColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      return dest === B.DisplayP3ColorSpace_MmT0 ? A.SassColor_SassColor$forSpaceInternal0(dest, A.NullableExtension_andThen0(red, A.utils2__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen0(green, A.utils2__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen0(blue, A.utils2__srgbAndDisplayP3FromLinear$closure()), alpha) : this.super$ColorSpace$convert0(dest, red, green, blue, alpha);
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearDisplayP3ToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearDisplayP3ToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.DynamicImport0.prototype = {
  	    toString$0(_) {
  	      return A.StringExpression_quoteText0(this.urlString);
  	    },
  	    $isImport0: 1,
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.EachRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitEachRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.variables;
  	      return "@each " + new A.MappedListIterable(t1, new A.EachRule_toString_closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$1(0, ", ") + " in " + this.list.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.EachRule_toString_closure0.prototype = {
  	    call$1(variable) {
  	      return "$" + variable;
  	    },
  	    $signature: 6
  	  };
  	  A.EmptyExtensionStore0.prototype = {
  	    get$_extension_store$_extensions() {
  	      return A.throwExpression(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, A.JSInvocationMirror$(B.Symbol__extensions, "get$_empty_extension_store0$_extensions", 1, [], [], 0)));
  	    },
  	    get$_extension_store$_sourceSpecificity() {
  	      return A.throwExpression(A.NoSuchMethodError_NoSuchMethodError$withInvocation(this, A.JSInvocationMirror$(B.Symbol__sourceSpecificity, "get$_empty_extension_store0$_sourceSpecificity", 1, [], [], 0)));
  	    },
  	    get$isEmpty(_) {
  	      return true;
  	    },
  	    get$simpleSelectors() {
  	      return B.C_EmptyUnmodifiableSet0;
  	    },
  	    extensionsWhereTarget$1(callback) {
  	      return B.List_empty21;
  	    },
  	    addSelector$2(selector, mediaContext) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addSel));
  	    },
  	    addExtension$4(extender, target, extend, mediaContext) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addExt_));
  	    },
  	    addExtensions$1(extenders) {
  	      throw A.wrapException(A.UnsupportedError$(string$.addExts));
  	    },
  	    clone$0() {
  	      return B.Record2_EmptyExtensionStore_Map_empty0;
  	    },
  	    $isExtensionStore0: 1
  	  };
  	  A.Environment0.prototype = {
  	    closure$0() {
  	      var t4, t5, t6, _this = this,
  	        t1 = _this._environment0$_forwardedModules,
  	        t2 = _this._environment0$_nestedForwardedModules,
  	        t3 = _this._environment0$_variables;
  	      t3 = A._setArrayType(t3.slice(0), A._arrayInstanceType(t3));
  	      t4 = _this._environment0$_variableNodes;
  	      t4 = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	      t5 = _this._environment0$_functions;
  	      t5 = A._setArrayType(t5.slice(0), A._arrayInstanceType(t5));
  	      t6 = _this._environment0$_mixins;
  	      t6 = A._setArrayType(t6.slice(0), A._arrayInstanceType(t6));
  	      return A.Environment$_0(_this._environment0$_modules, _this._environment0$_namespaceNodes, _this._environment0$_globalModules, _this._environment0$_importedModules, t1, t2, _this._environment0$_allModules, t3, t4, t5, t6, _this._environment0$_content, B.Set_empty1);
  	    },
  	    forwardModule$2(module, rule) {
  	      var view, t1, t2, _this = this,
  	        forwardedModules = _this._environment0$_forwardedModules;
  	      if (forwardedModules == null)
  	        forwardedModules = _this._environment0$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable_2, type$.AstNode_2);
  	      view = A.ForwardedModuleView_ifNecessary0(module, rule, type$.Callable_2);
  	      for (t1 = new A.LinkedHashMapKeyIterator(forwardedModules, forwardedModules._modifications, forwardedModules._first); t1.moveNext$0();) {
  	        t2 = t1.__js_helper$_current;
  	        _this._environment0$_assertNoConflicts$5(view.get$variables(), t2.get$variables(), view, t2, "variable");
  	        _this._environment0$_assertNoConflicts$5(view.get$functions(view), t2.get$functions(t2), view, t2, "function");
  	        _this._environment0$_assertNoConflicts$5(view.get$mixins(), t2.get$mixins(), view, t2, "mixin");
  	      }
  	      _this._environment0$_allModules.push(module);
  	      forwardedModules.$indexSet(0, view, rule);
  	    },
  	    _environment0$_assertNoConflicts$5(newMembers, oldMembers, newModule, oldModule, type) {
  	      var larger, smaller, t1, t2, t3, t4, $name, small, large, span;
  	      if (newMembers.get$length(newMembers) < oldMembers.get$length(oldMembers)) {
  	        larger = oldMembers;
  	        smaller = newMembers;
  	      } else {
  	        larger = newMembers;
  	        smaller = oldMembers;
  	      }
  	      for (t1 = type$.String, t2 = A.MapExtensions_get_pairs0(smaller, t1, type$.Object), t2 = t2.get$iterator(t2), t3 = type === "variable"; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        $name = t4._0;
  	        small = t4._1;
  	        large = larger.$index(0, $name);
  	        if (large == null)
  	          continue;
  	        if (t3 ? newModule.variableIdentity$1($name) === oldModule.variableIdentity$1($name) : J.$eq$(large, small))
  	          continue;
  	        if (t3)
  	          $name = "$" + $name;
  	        t2 = this._environment0$_forwardedModules;
  	        if (t2 == null)
  	          span = null;
  	        else {
  	          t2 = t2.$index(0, oldModule);
  	          span = t2 == null ? null : t2.get$span(t2);
  	        }
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, t1);
  	        if (span != null)
  	          t2.$indexSet(0, span, "original @forward");
  	        throw A.wrapException(A.MultiSpanSassScriptException$0("Two forwarded modules both define a " + type + " named " + $name + ".", "new @forward", t2));
  	      }
  	    },
  	    importForwards$1(module) {
  	      var forwardedModules, t1, t2, t3, t4, node, t5, t6, t7, t8, t9, t10, _i, t11, shadowed, t12, t13, _length, _list, _this = this,
  	        forwarded = module._environment0$_environment._environment0$_forwardedModules;
  	      if (forwarded == null)
  	        return;
  	      forwardedModules = _this._environment0$_forwardedModules;
  	      if (forwardedModules != null) {
  	        t1 = type$.Module_Callable_2;
  	        t2 = type$.AstNode_2;
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t1 = A.MapExtensions_get_pairs0(forwarded, t1, t2), t1 = t1.get$iterator(t1), t2 = _this._environment0$_globalModules; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          module = t4._0;
  	          node = t4._1;
  	          if (!forwardedModules.containsKey$1(module) || !t2.containsKey$1(module))
  	            t3.$indexSet(0, module, node);
  	        }
  	        forwarded = t3;
  	      } else
  	        forwardedModules = _this._environment0$_forwardedModules = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable_2, type$.AstNode_2);
  	      t1 = type$.String;
  	      t2 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t3 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t3.moveNext$0();)
  	        for (t4 = t3.__js_helper$_current.get$variables(), t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4); t4.moveNext$0();)
  	          t2.add$1(0, t4.get$current(t4));
  	      t3 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();) {
  	        t5 = t4.__js_helper$_current;
  	        for (t5 = t5.get$functions(t5), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t3.add$1(0, t5.get$current(t5));
  	      }
  	      t1 = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      for (t4 = new A.LinkedHashMapKeyIterator(forwarded, forwarded._modifications, forwarded._first); t4.moveNext$0();)
  	        for (t5 = t4.__js_helper$_current.get$mixins(), t5 = t5.get$keys(t5), t5 = t5.get$iterator(t5); t5.moveNext$0();)
  	          t1.add$1(0, t5.get$current(t5));
  	      t4 = _this._environment0$_variables;
  	      t5 = t4.length;
  	      if (t5 === 1) {
  	        for (t5 = _this._environment0$_importedModules, t6 = type$.Module_Callable_2, t7 = type$.AstNode_2, t8 = A.MapExtensions_get_pairs0(t5, t6, t7).toList$0(0), t9 = t8.length, t10 = type$.Callable_2, _i = 0; _i < t8.length; t8.length === t9 || (0, A.throwConcurrentModificationError)(t8), ++_i) {
  	          t11 = t8[_i];
  	          module = t11._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary0(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            t5.remove$1(0, module);
  	            t12 = shadowed.variables;
  	            t13 = false;
  	            if (t12.get$isEmpty(t12)) {
  	              t12 = shadowed.functions;
  	              if (t12.get$isEmpty(t12)) {
  	                t12 = shadowed.mixins;
  	                if (t12.get$isEmpty(t12)) {
  	                  t12 = shadowed._shadowed_view0$_inner;
  	                  t12 = t12.get$css(t12);
  	                  t12 = J.get$isEmpty$asx(t12.get$children(t12));
  	                } else
  	                  t12 = t13;
  	              } else
  	                t12 = t13;
  	            } else
  	              t12 = t13;
  	            if (!t12)
  	              t5.$indexSet(0, shadowed, t11._1);
  	          }
  	        }
  	        for (t6 = A.MapExtensions_get_pairs0(forwardedModules, t6, t7).toList$0(0), t7 = t6.length, _i = 0; _i < t6.length; t6.length === t7 || (0, A.throwConcurrentModificationError)(t6), ++_i) {
  	          t8 = t6[_i];
  	          module = t8._0;
  	          shadowed = A.ShadowedModuleView_ifNecessary0(module, t3, t1, t2, t10);
  	          if (shadowed != null) {
  	            forwardedModules.remove$1(0, module);
  	            t9 = shadowed.variables;
  	            t11 = false;
  	            if (t9.get$isEmpty(t9)) {
  	              t9 = shadowed.functions;
  	              if (t9.get$isEmpty(t9)) {
  	                t9 = shadowed.mixins;
  	                if (t9.get$isEmpty(t9)) {
  	                  t9 = shadowed._shadowed_view0$_inner;
  	                  t9 = t9.get$css(t9);
  	                  t9 = J.get$isEmpty$asx(t9.get$children(t9));
  	                } else
  	                  t9 = t11;
  	              } else
  	                t9 = t11;
  	            } else
  	              t9 = t11;
  	            if (!t9)
  	              forwardedModules.$indexSet(0, shadowed, t8._1);
  	          }
  	        }
  	        t5.addAll$1(0, forwarded);
  	        forwardedModules.addAll$1(0, forwarded);
  	      } else {
  	        t6 = _this._environment0$_nestedForwardedModules;
  	        if (t6 == null) {
  	          _length = t5 - 1;
  	          _list = J.JSArray_JSArray$allocateGrowable(_length, type$.List_Module_Callable_2);
  	          for (t5 = type$.JSArray_Module_Callable_2, _i = 0; _i < _length; ++_i)
  	            _list[_i] = A._setArrayType([], t5);
  	          _this._environment0$_nestedForwardedModules = _list;
  	          t5 = _list;
  	        } else
  	          t5 = t6;
  	        B.JSArray_methods.addAll$1(B.JSArray_methods.get$last(t5), new A.LinkedHashMapKeysIterable(forwarded, A._instanceType(forwarded)._eval$1("LinkedHashMapKeysIterable<1>")));
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t2, t2._collection$_modifications, t2.$ti._precomputed1), t5 = _this._environment0$_variableIndices, t6 = _this._environment0$_variableNodes, t7 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t8 = t2._collection$_current;
  	        if (t8 == null)
  	          t8 = t7._as(t8);
  	        t5.remove$1(0, t8);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t8);
  	        B.JSArray_methods.get$last(t6).remove$1(0, t8);
  	      }
  	      for (t2 = A._LinkedHashSetIterator$(t3, t3._collection$_modifications, t3.$ti._precomputed1), t3 = _this._environment0$_functionIndices, t4 = _this._environment0$_functions, t5 = t2.$ti._precomputed1; t2.moveNext$0();) {
  	        t6 = t2._collection$_current;
  	        if (t6 == null)
  	          t6 = t5._as(t6);
  	        t3.remove$1(0, t6);
  	        B.JSArray_methods.get$last(t4).remove$1(0, t6);
  	      }
  	      for (t1 = A._LinkedHashSetIterator$(t1, t1._collection$_modifications, t1.$ti._precomputed1), t2 = _this._environment0$_mixinIndices, t3 = _this._environment0$_mixins, t4 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t5 = t1._collection$_current;
  	        if (t5 == null)
  	          t5 = t4._as(t5);
  	        t2.remove$1(0, t5);
  	        B.JSArray_methods.get$last(t3).remove$1(0, t5);
  	      }
  	    },
  	    getVariable$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._environment0$_getModule$1(namespace).get$variables().$index(0, $name);
  	      if (_this._environment0$_lastVariableName === $name) {
  	        t1 = _this._environment0$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._environment0$_variables[t1].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getVariableFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._environment0$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._environment0$_lastVariableName = $name;
  	        _this._environment0$_lastVariableIndex = _0_0;
  	        t1 = _this._environment0$_variables[_0_0].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getVariableFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._environment0$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._environment0$_lastVariableName = $name;
  	          _this._environment0$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._environment0$_variables[_1_0].$index(0, $name);
  	          return t1 == null ? _this._environment0$_getVariableFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._environment0$_getVariableFromGlobalModule$1($name);
  	      }
  	    },
  	    getVariable$1($name) {
  	      return this.getVariable$2$namespace($name, null);
  	    },
  	    _environment0$_getVariableFromGlobalModule$1($name) {
  	      return this._environment0$_fromOneModule$3($name, "variable", new A.Environment__getVariableFromGlobalModule_closure0($name));
  	    },
  	    getVariableNode$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._environment0$_getModule$1(namespace).get$variableNodes().$index(0, $name);
  	      if (_this._environment0$_lastVariableName === $name) {
  	        t1 = _this._environment0$_lastVariableIndex;
  	        t1.toString;
  	        t1 = _this._environment0$_variableNodes[t1].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      }
  	      t1 = _this._environment0$_variableIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        _this._environment0$_lastVariableName = $name;
  	        _this._environment0$_lastVariableIndex = _0_0;
  	        t1 = _this._environment0$_variableNodes[_0_0].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._environment0$_variableIndex$1($name);
  	        if (_1_0 != null) {
  	          _this._environment0$_lastVariableName = $name;
  	          _this._environment0$_lastVariableIndex = _1_0;
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._environment0$_variableNodes[_1_0].$index(0, $name);
  	          return t1 == null ? _this._environment0$_getVariableNodeFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._environment0$_getVariableNodeFromGlobalModule$1($name);
  	      }
  	    },
  	    _environment0$_getVariableNodeFromGlobalModule$1($name) {
  	      var t1, t2, _0_0;
  	      for (t1 = this._environment0$_importedModules, t2 = this._environment0$_globalModules, t2 = new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>")).followedBy$1(0, new A.LinkedHashMapKeysIterable(t2, A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>"))), t2 = new A.FollowedByIterator(J.get$iterator$ax(t2.__internal$_first), t2._second); t2.moveNext$0();) {
  	        t1 = t2._currentIterator;
  	        _0_0 = t1.get$current(t1).get$variableNodes().$index(0, $name);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    globalVariableExists$2$namespace($name, namespace) {
  	      if (namespace != null)
  	        return this._environment0$_getModule$1(namespace).get$variables().containsKey$1($name);
  	      if (B.JSArray_methods.get$first(this._environment0$_variables).containsKey$1($name))
  	        return true;
  	      return this._environment0$_getVariableFromGlobalModule$1($name) != null;
  	    },
  	    globalVariableExists$1($name) {
  	      return this.globalVariableExists$2$namespace($name, null);
  	    },
  	    _environment0$_variableIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._environment0$_variables, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    setVariable$5$global$namespace($name, value, nodeWithSpan, global, namespace) {
  	      var t1, moduleWithName, nestedForwardedModules, t2, t3, t4, t5, index, _this = this;
  	      if (namespace != null) {
  	        _this._environment0$_getModule$1(namespace).setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      if (global || _this._environment0$_variables.length === 1) {
  	        _this._environment0$_variableIndices.putIfAbsent$2($name, new A.Environment_setVariable_closure2(_this, $name));
  	        t1 = _this._environment0$_variables;
  	        if (!B.JSArray_methods.get$first(t1).containsKey$1($name)) {
  	          moduleWithName = _this._environment0$_fromOneModule$3($name, "variable", new A.Environment_setVariable_closure3($name));
  	          if (moduleWithName != null) {
  	            moduleWithName.setVariable$3($name, value, nodeWithSpan);
  	            return;
  	          }
  	        }
  	        B.JSArray_methods.get$first(t1).$indexSet(0, $name, value);
  	        B.JSArray_methods.get$first(_this._environment0$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	        return;
  	      }
  	      nestedForwardedModules = _this._environment0$_nestedForwardedModules;
  	      if (nestedForwardedModules != null && !_this._environment0$_variableIndices.containsKey$1($name) && _this._environment0$_variableIndex$1($name) == null)
  	        for (t1 = A._arrayInstanceType(nestedForwardedModules)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(nestedForwardedModules, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            if (t5 == null)
  	              t5 = t4._as(t5);
  	            if (t5.get$variables().containsKey$1($name)) {
  	              t5.setVariable$3($name, value, nodeWithSpan);
  	              return;
  	            }
  	          }
  	        }
  	      if (_this._environment0$_lastVariableName === $name) {
  	        t1 = _this._environment0$_lastVariableIndex;
  	        t1.toString;
  	        index = t1;
  	      } else
  	        index = _this._environment0$_variableIndices.putIfAbsent$2($name, new A.Environment_setVariable_closure4(_this, $name));
  	      if (!_this._environment0$_inSemiGlobalScope && index === 0) {
  	        index = _this._environment0$_variables.length - 1;
  	        _this._environment0$_variableIndices.$indexSet(0, $name, index);
  	      }
  	      _this._environment0$_lastVariableName = $name;
  	      _this._environment0$_lastVariableIndex = index;
  	      _this._environment0$_variables[index].$indexSet(0, $name, value);
  	      _this._environment0$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    setVariable$4$global($name, value, nodeWithSpan, global) {
  	      return this.setVariable$5$global$namespace($name, value, nodeWithSpan, global, null);
  	    },
  	    setLocalVariable$3($name, value, nodeWithSpan) {
  	      var index, _this = this,
  	        t1 = _this._environment0$_variables,
  	        t2 = t1.length;
  	      _this._environment0$_lastVariableName = $name;
  	      index = _this._environment0$_lastVariableIndex = t2 - 1;
  	      _this._environment0$_variableIndices.$indexSet(0, $name, index);
  	      t1[index].$indexSet(0, $name, value);
  	      _this._environment0$_variableNodes[index].$indexSet(0, $name, nodeWithSpan);
  	    },
  	    getFunction$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null) {
  	        t1 = _this._environment0$_getModule$1(namespace);
  	        return t1.get$functions(t1).$index(0, $name);
  	      }
  	      t1 = _this._environment0$_functionIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._environment0$_functions[_0_0].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getFunctionFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._environment0$_functionIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._environment0$_functions[_1_0].$index(0, $name);
  	          return t1 == null ? _this._environment0$_getFunctionFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._environment0$_getFunctionFromGlobalModule$1($name);
  	      }
  	    },
  	    getFunction$1($name) {
  	      return this.getFunction$2$namespace($name, null);
  	    },
  	    _environment0$_getFunctionFromGlobalModule$1($name) {
  	      return this._environment0$_fromOneModule$3($name, "function", new A.Environment__getFunctionFromGlobalModule_closure0($name));
  	    },
  	    _environment0$_functionIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._environment0$_functions, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    getMixin$2$namespace($name, namespace) {
  	      var t1, _0_0, _1_0, _this = this;
  	      if (namespace != null)
  	        return _this._environment0$_getModule$1(namespace).get$mixins().$index(0, $name);
  	      t1 = _this._environment0$_mixinIndices;
  	      _0_0 = t1.$index(0, $name);
  	      if (_0_0 != null) {
  	        t1 = _this._environment0$_mixins[_0_0].$index(0, $name);
  	        return t1 == null ? _this._environment0$_getMixinFromGlobalModule$1($name) : t1;
  	      } else {
  	        _1_0 = _this._environment0$_mixinIndex$1($name);
  	        if (_1_0 != null) {
  	          t1.$indexSet(0, $name, _1_0);
  	          t1 = _this._environment0$_mixins[_1_0].$index(0, $name);
  	          return t1 == null ? _this._environment0$_getMixinFromGlobalModule$1($name) : t1;
  	        } else
  	          return _this._environment0$_getMixinFromGlobalModule$1($name);
  	      }
  	    },
  	    _environment0$_getMixinFromGlobalModule$1($name) {
  	      return this._environment0$_fromOneModule$3($name, "mixin", new A.Environment__getMixinFromGlobalModule_closure0($name));
  	    },
  	    _environment0$_mixinIndex$1($name) {
  	      var t1, i;
  	      for (t1 = this._environment0$_mixins, i = t1.length - 1; i >= 0; --i)
  	        if (t1[i].containsKey$1($name))
  	          return i;
  	      return null;
  	    },
  	    withContent$2($content, callback) {
  	      var oldContent = this._environment0$_content;
  	      this._environment0$_content = $content;
  	      callback.call$0();
  	      this._environment0$_content = oldContent;
  	    },
  	    asMixin$1(callback) {
  	      var oldInMixin = this._environment0$_inMixin;
  	      this._environment0$_inMixin = true;
  	      callback.call$0();
  	      this._environment0$_inMixin = oldInMixin;
  	    },
  	    scope$1$3$semiGlobal$when(callback, semiGlobal, when) {
  	      var wasInSemiGlobalScope, $name, name0, name1, t1, t2, t3, t4, t5, t6, _this = this;
  	      semiGlobal = semiGlobal && _this._environment0$_inSemiGlobalScope;
  	      wasInSemiGlobalScope = _this._environment0$_inSemiGlobalScope;
  	      _this._environment0$_inSemiGlobalScope = semiGlobal;
  	      if (!when)
  	        try {
  	          t1 = callback.call$0();
  	          return t1;
  	        } finally {
  	          _this._environment0$_inSemiGlobalScope = wasInSemiGlobalScope;
  	        }
  	      t1 = _this._environment0$_variables;
  	      t2 = type$.String;
  	      B.JSArray_methods.add$1(t1, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.Value_2));
  	      t3 = _this._environment0$_variableNodes;
  	      B.JSArray_methods.add$1(t3, A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.AstNode_2));
  	      t4 = _this._environment0$_functions;
  	      t5 = type$.Callable_2;
  	      B.JSArray_methods.add$1(t4, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	      t6 = _this._environment0$_mixins;
  	      B.JSArray_methods.add$1(t6, A.LinkedHashMap_LinkedHashMap$_empty(t2, t5));
  	      t5 = _this._environment0$_nestedForwardedModules;
  	      if (t5 != null)
  	        t5.push(A._setArrayType([], type$.JSArray_Module_Callable_2));
  	      try {
  	        t2 = callback.call$0();
  	        return t2;
  	      } finally {
  	        _this._environment0$_inSemiGlobalScope = wasInSemiGlobalScope;
  	        _this._environment0$_lastVariableIndex = _this._environment0$_lastVariableName = null;
  	        for (t1 = B.JSArray_methods.removeLast$0(t1), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._environment0$_variableIndices; t1.moveNext$0();) {
  	          $name = t1.get$current(t1);
  	          t2.remove$1(0, $name);
  	        }
  	        B.JSArray_methods.removeLast$0(t3);
  	        for (t1 = B.JSArray_methods.removeLast$0(t4), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._environment0$_functionIndices; t1.moveNext$0();) {
  	          name0 = t1.get$current(t1);
  	          t2.remove$1(0, name0);
  	        }
  	        for (t1 = B.JSArray_methods.removeLast$0(t6), t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1), t2 = _this._environment0$_mixinIndices; t1.moveNext$0();) {
  	          name1 = t1.get$current(t1);
  	          t2.remove$1(0, name1);
  	        }
  	        t1 = _this._environment0$_nestedForwardedModules;
  	        if (t1 != null)
  	          t1.pop();
  	      }
  	    },
  	    scope$1$1(callback) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, true);
  	    },
  	    scope$1$2$when(callback, when) {
  	      return this.scope$1$3$semiGlobal$when(callback, false, when);
  	    },
  	    scope$1$2$semiGlobal(callback, semiGlobal) {
  	      return this.scope$1$3$semiGlobal$when(callback, semiGlobal, true);
  	    },
  	    toImplicitConfiguration$0() {
  	      var t2, t3, t4, t5, t6, i, modules, t7, t8, t9, t10, $name, value, values, nodes, _this = this, _null = null,
  	        t1 = type$.String,
  	        configuration = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.ConfiguredValue_2);
  	      for (t2 = _this._environment0$_variables, t3 = type$.Value_2, t4 = _this._environment0$_variableNodes, t5 = _this._environment0$_importedModules, t6 = A._instanceType(t5)._eval$1("LinkedHashMapKeysIterable<1>"), i = 0; i < t2.length; ++i) {
  	        if (i === 0)
  	          modules = new A.LinkedHashMapKeysIterable(t5, t6);
  	        else {
  	          t7 = _this._environment0$_nestedForwardedModules;
  	          modules = t7 == null ? _null : t7[i - 1];
  	        }
  	        t7 = J.get$iterator$ax(modules == null ? B.List_empty25 : modules);
  	        while (t7.moveNext$0()) {
  	          t8 = t7.get$current(t7);
  	          for (t9 = A.MapExtensions_get_pairs0(t8.get$variables(), t1, t3), t9 = t9.get$iterator(t9); t9.moveNext$0();) {
  	            t10 = t9.get$current(t9);
  	            $name = t10._0;
  	            value = t10._1;
  	            t10 = t8.get$variableNodes().$index(0, $name);
  	            t10.toString;
  	            configuration.$indexSet(0, $name, new A.ConfiguredValue0(value, _null, t10));
  	          }
  	        }
  	        values = t2[i];
  	        nodes = t4[i];
  	        for (t7 = A.MapExtensions_get_pairs0(values, t1, t3), t7 = t7.get$iterator(t7); t7.moveNext$0();) {
  	          t8 = t7.get$current(t7);
  	          $name = t8._0;
  	          value = t8._1;
  	          t8 = nodes.$index(0, $name);
  	          t8.toString;
  	          configuration.$indexSet(0, $name, new A.ConfiguredValue0(value, _null, t8));
  	        }
  	      }
  	      return new A.Configuration0(configuration, _null);
  	    },
  	    toModule$3(css, preModuleComments, extensionStore) {
  	      return A._EnvironmentModule__EnvironmentModule1(this, css, preModuleComments, extensionStore, A.NullableExtension_andThen0(this._environment0$_forwardedModules, new A.Environment_toModule_closure0()));
  	    },
  	    toDummyModule$0() {
  	      return A._EnvironmentModule__EnvironmentModule1(this, new A.CssStylesheet0(new A.UnmodifiableListView(B.List_empty20, type$.UnmodifiableListView_CssNode_2), A.SourceFile$decoded(B.List_empty4, "<dummy module>").span$1(0, 0)), B.Map_empty10, B.C_EmptyExtensionStore0, A.NullableExtension_andThen0(this._environment0$_forwardedModules, new A.Environment_toDummyModule_closure0()));
  	    },
  	    _environment0$_getModule$1(namespace) {
  	      var _0_0 = this._environment0$_modules.$index(0, namespace);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0('There is no module with the namespace "' + namespace + '".', null));
  	    },
  	    _environment0$_fromOneModule$1$3($name, type, callback) {
  	      var t1, t2, t3, t4, t5, _1_0, _2_0, value, identity, valueInModule, identityFromModule, module, node,
  	        _0_0 = this._environment0$_nestedForwardedModules;
  	      if (_0_0 != null)
  	        for (t1 = A._arrayInstanceType(_0_0)._eval$1("ReversedListIterable<1>"), t2 = new A.ReversedListIterable(_0_0, t1), t2 = new A.ListIterator(t2, t2.get$length(0), t1._eval$1("ListIterator<ListIterable.E>")), t1 = t1._eval$1("ListIterable.E"); t2.moveNext$0();) {
  	          t3 = t2.__internal$_current;
  	          for (t3 = J.get$reversed$ax(t3 == null ? t1._as(t3) : t3), t4 = t3.$ti, t3 = new A.ListIterator(t3, t3.get$length(0), t4._eval$1("ListIterator<ListIterable.E>")), t4 = t4._eval$1("ListIterable.E"); t3.moveNext$0();) {
  	            t5 = t3.__internal$_current;
  	            _1_0 = callback.call$1(t5 == null ? t4._as(t5) : t5);
  	            if (_1_0 != null)
  	              return _1_0;
  	          }
  	        }
  	      for (t1 = this._environment0$_importedModules, t1 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first); t1.moveNext$0();) {
  	        _2_0 = callback.call$1(t1.__js_helper$_current);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      for (t1 = this._environment0$_globalModules, t2 = new A.LinkedHashMapKeyIterator(t1, t1._modifications, t1._first), t3 = type$.Callable_2, value = null, identity = null; t2.moveNext$0();) {
  	        t4 = t2.__js_helper$_current;
  	        valueInModule = callback.call$1(t4);
  	        if (valueInModule == null)
  	          continue;
  	        identityFromModule = t3._is(valueInModule) ? valueInModule : t4.variableIdentity$1($name);
  	        if (identityFromModule.$eq(0, identity))
  	          continue;
  	        if (value != null) {
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          for (t3 = A.MapExtensions_get_pairs0(t1, type$.Module_Callable_2, type$.AstNode_2), t3 = t3.get$iterator(t3), t4 = "includes " + type; t3.moveNext$0();) {
  	            t1 = t3.get$current(t3);
  	            module = t1._0;
  	            node = t1._1;
  	            if (callback.call$1(module) != null)
  	              t2.$indexSet(0, node.get$span(node), t4);
  	          }
  	          throw A.wrapException(A.MultiSpanSassScriptException$0("This " + type + string$.x20is_av, type + " use", t2));
  	        }
  	        identity = identityFromModule;
  	        value = valueInModule;
  	      }
  	      return value;
  	    },
  	    _environment0$_fromOneModule$3($name, type, callback) {
  	      return this._environment0$_fromOneModule$1$3($name, type, callback, type$.dynamic);
  	    }
  	  };
  	  A.Environment__getVariableFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$variables().$index(0, this.name);
  	    },
  	    $signature: 447
  	  };
  	  A.Environment_setVariable_closure2.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._environment0$_lastVariableName = this.name;
  	      return t1._environment0$_lastVariableIndex = 0;
  	    },
  	    $signature: 10
  	  };
  	  A.Environment_setVariable_closure3.prototype = {
  	    call$1(module) {
  	      return module.get$variables().containsKey$1(this.name) ? module : null;
  	    },
  	    $signature: 448
  	  };
  	  A.Environment_setVariable_closure4.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._environment0$_variableIndex$1(this.name);
  	      return t2 == null ? t1._environment0$_variables.length - 1 : t2;
  	    },
  	    $signature: 10
  	  };
  	  A.Environment__getFunctionFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module).$index(0, this.name);
  	    },
  	    $signature: 237
  	  };
  	  A.Environment__getMixinFromGlobalModule_closure0.prototype = {
  	    call$1(module) {
  	      return module.get$mixins().$index(0, this.name);
  	    },
  	    $signature: 237
  	  };
  	  A.Environment_toModule_closure0.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_Callable_2);
  	    },
  	    $signature: 238
  	  };
  	  A.Environment_toDummyModule_closure0.prototype = {
  	    call$1(modules) {
  	      return new A.MapKeySet(modules, type$.MapKeySet_Module_Callable_2);
  	    },
  	    $signature: 238
  	  };
  	  A._EnvironmentModule1.prototype = {
  	    get$url(_) {
  	      var t1 = this.css;
  	      t1 = t1.get$span(t1);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t1, t2,
  	        _0_0 = this._environment0$_modulesByVariable.$index(0, $name);
  	      if (_0_0 != null) {
  	        _0_0.setVariable$3($name, value, nodeWithSpan);
  	        return;
  	      }
  	      t1 = this._environment0$_environment;
  	      t2 = t1._environment0$_variables;
  	      if (!B.JSArray_methods.get$first(t2).containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$0("Undefined variable.", null));
  	      B.JSArray_methods.get$first(t2).$indexSet(0, $name, value);
  	      B.JSArray_methods.get$first(t1._environment0$_variableNodes).$indexSet(0, $name, nodeWithSpan);
  	      return;
  	    },
  	    variableIdentity$1($name) {
  	      var module = this._environment0$_modulesByVariable.$index(0, $name);
  	      return module == null ? this : module.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t2, t3, _0_0, variable, module,
  	        t1 = this._environment0$_environment._environment0$_configurableVariables;
  	      if (!(variables.get$length(variables) < t1.get$length(t1) ? variables.any$1(0, t1.get$contains(t1)) : t1.any$1(0, variables.get$contains(variables)))) {
  	        t1 = this._environment0$_modulesByVariable;
  	        t2 = type$.Module_Callable_2;
  	        if (variables.get$length(variables) < t1.get$length(t1)) {
  	          t2 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t3 = variables.get$iterator(variables); t3.moveNext$0();) {
  	            _0_0 = t1.$index(0, t3.get$current(t3));
  	            if (_0_0 != null)
  	              t2.add$1(0, _0_0);
  	          }
  	          t1 = t2;
  	        } else {
  	          t3 = A.LinkedHashSet_LinkedHashSet$_empty(t2);
  	          for (t1 = A.MapExtensions_get_pairs0(t1, type$.String, t2), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	            t2 = t1.get$current(t1);
  	            variable = t2._0;
  	            module = t2._1;
  	            if (variables.contains$1(0, variable))
  	              t3.add$1(0, module);
  	          }
  	          t1 = t3;
  	        }
  	        t1 = t1.any$1(0, new A._EnvironmentModule_couldHaveBeenConfigured_closure1(variables));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    cloneCss$0() {
  	      var _0_0, _this = this;
  	      if (!_this.transitivelyContainsCss)
  	        return _this;
  	      _0_0 = A.cloneCssStylesheet0(_this.css, _this.extensionStore);
  	      return A._EnvironmentModule$_1(_this._environment0$_environment, _0_0._0, _this.preModuleComments, _0_0._1, _this._environment0$_modulesByVariable, _this.variables, _this.variableNodes, _this.functions, _this.mixins, true, _this.transitivelyContainsExtensions);
  	    },
  	    toString$0(_) {
  	      var t1 = this.css,
  	        t2 = t1.get$span(t1);
  	      if (t2.get$sourceUrl(t2) == null)
  	        t1 = "<unknown url>";
  	      else {
  	        t1 = t1.get$span(t1);
  	        t1 = t1.get$sourceUrl(t1);
  	        t2 = $.$get$context();
  	        t1.toString;
  	        t1 = t2.prettyUri$1(t1);
  	      }
  	      return t1;
  	    },
  	    $isModule1: 1,
  	    get$upstream() {
  	      return this.upstream;
  	    },
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    },
  	    get$extensionStore() {
  	      return this.extensionStore;
  	    },
  	    get$css(receiver) {
  	      return this.css;
  	    },
  	    get$preModuleComments() {
  	      return this.preModuleComments;
  	    },
  	    get$transitivelyContainsCss() {
  	      return this.transitivelyContainsCss;
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this.transitivelyContainsExtensions;
  	    }
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure11.prototype = {
  	    call$1(module) {
  	      return module.get$variables();
  	    },
  	    $signature: 451
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure12.prototype = {
  	    call$1(module) {
  	      return module.get$variableNodes();
  	    },
  	    $signature: 452
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure13.prototype = {
  	    call$1(module) {
  	      return module.get$functions(module);
  	    },
  	    $signature: 239
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure14.prototype = {
  	    call$1(module) {
  	      return module.get$mixins();
  	    },
  	    $signature: 239
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure15.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 85
  	  };
  	  A._EnvironmentModule__EnvironmentModule_closure16.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsExtensions();
  	    },
  	    $signature: 85
  	  };
  	  A._EnvironmentModule_couldHaveBeenConfigured_closure1.prototype = {
  	    call$1(module) {
  	      return module.couldHaveBeenConfigured$1(this.variables);
  	    },
  	    $signature: 85
  	  };
  	  A.ErrorRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitErrorRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@error " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._EvaluateVisitor1.prototype = {
  	    get$_evaluate0$_hasCssNesting() {
  	      var _0_0, t1, grandparent,
  	        $parent = this._evaluate0$_atRootExcludingStyleRule ? null : this._evaluate0$_styleRuleIgnoringAtRoot;
  	      for (;; $parent = grandparent) {
  	        _0_0 = $parent == null ? null : $parent._node$_parent;
  	        if (_0_0 instanceof A.ModifiableCssStyleRule0)
  	          return true;
  	        t1 = _0_0 != null;
  	        grandparent = t1 ? _0_0 : null;
  	        if (t1)
  	          continue;
  	        return false;
  	      }
  	    },
  	    _EvaluateVisitor$6$functions$importCache$logger$nodeImporter$quietDeps$sourceMap1(functions, importCache, logger, nodeImporter, quietDeps, sourceMap) {
  	      var t2, metaModule, t3, _i, module, $function, t4, _this = this,
  	        _s20_ = "$name, $module: null",
  	        _s9_ = "sass:meta",
  	        _s7_ = "$module",
  	        t1 = type$.JSArray_BuiltInCallable_2,
  	        metaFunctions = A._setArrayType([A.BuiltInCallable$function0("global-variable-exists", _s20_, new A._EvaluateVisitor_closure25(_this), _s9_), A.BuiltInCallable$function0("variable-exists", "$name", new A._EvaluateVisitor_closure26(_this), _s9_), A.BuiltInCallable$function0("function-exists", _s20_, new A._EvaluateVisitor_closure27(_this), _s9_), A.BuiltInCallable$function0("mixin-exists", _s20_, new A._EvaluateVisitor_closure28(_this), _s9_), A.BuiltInCallable$function0("content-exists", "", new A._EvaluateVisitor_closure29(_this), _s9_), A.BuiltInCallable$function0("module-variables", _s7_, new A._EvaluateVisitor_closure30(_this), _s9_), A.BuiltInCallable$function0("module-functions", _s7_, new A._EvaluateVisitor_closure31(_this), _s9_), A.BuiltInCallable$function0("module-mixins", _s7_, new A._EvaluateVisitor_closure32(_this), _s9_), A.BuiltInCallable$function0("get-function", "$name, $css: false, $module: null", new A._EvaluateVisitor_closure33(_this), _s9_), A.BuiltInCallable$function0("get-mixin", _s20_, new A._EvaluateVisitor_closure34(_this), _s9_), A.BuiltInCallable$function0("call", "$function, $args...", new A._EvaluateVisitor_closure35(_this), _s9_)], t1),
  	        metaMixins = A._setArrayType([A.BuiltInCallable$mixin0("load-css", "$url, $with: null", new A._EvaluateVisitor_closure36(_this), false, _s9_), A.BuiltInCallable$mixin0("apply", "$mixin, $args...", new A._EvaluateVisitor_closure37(_this), true, _s9_)], t1);
  	      t1 = type$.BuiltInCallable_2;
  	      t2 = A.List_List$_of($.$get$moduleFunctions0(), t1);
  	      B.JSArray_methods.addAll$1(t2, metaFunctions);
  	      metaModule = A.BuiltInModule$0("meta", t2, metaMixins, null, t1);
  	      t1 = A.List_List$_of($.$get$coreModules0(), type$.BuiltInModule_Callable_2);
  	      t1.push(metaModule);
  	      t2 = t1.length;
  	      t3 = _this._evaluate0$_builtInModules;
  	      _i = 0;
  	      for (; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        module = t1[_i];
  	        t3.$indexSet(0, module.url, module);
  	      }
  	      t1 = type$.JSArray_Callable_2;
  	      t2 = A._setArrayType([], t1);
  	      B.JSArray_methods.addAll$1(t2, functions);
  	      B.JSArray_methods.addAll$1(t2, $.$get$globalFunctions0());
  	      t1 = A._setArrayType([], t1);
  	      for (_i = 0; _i < 11; ++_i)
  	        t1.push(metaFunctions[_i].withDeprecationWarning$1("meta"));
  	      B.JSArray_methods.addAll$1(t2, t1);
  	      for (t1 = t2.length, t3 = _this._evaluate0$_builtInFunctions, _i = 0; _i < t2.length; t2.length === t1 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $function = t2[_i];
  	        t4 = $function.get$name($function);
  	        t3.$indexSet(0, A.stringReplaceAllUnchecked(t4, "_", "-"), $function);
  	      }
  	    },
  	    run$2(_, importer, node) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = type$.nullable_Object;
  	        t1 = A.runZoned(new A._EvaluateVisitor_run_closure1(this, node, importer), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__evaluationContext, new A._EvaluationContext1(this, node)], t1, t1), type$.Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace0(error.withLoadedUrls$1(this._evaluate0$_loadedUrls), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _evaluate0$_assertInModule$1$2(value, $name) {
  	      if (value != null)
  	        return value;
  	      throw A.wrapException(A.StateError$("Can't access " + $name + " outside of a module."));
  	    },
  	    _evaluate0$_assertInModule$2(value, $name) {
  	      return this._evaluate0$_assertInModule$1$2(value, $name, type$.dynamic);
  	    },
  	    _evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, baseUrl, configuration, namesInErrors) {
  	      var t2, _this = this,
  	        _0_0 = _this._evaluate0$_builtInModules.$index(0, url),
  	        t1 = {};
  	      t1.builtInModule = null;
  	      if (_0_0 != null) {
  	        t1.builtInModule = _0_0;
  	        if (configuration instanceof A.ExplicitConfiguration0) {
  	          t1 = namesInErrors ? "Built-in module " + url.toString$0(0) + " can't be configured." : "Built-in modules can't be configured.";
  	          t2 = configuration.nodeWithSpan;
  	          throw A.wrapException(_this._evaluate0$_exception$2(t1, t2.get$span(t2)));
  	        }
  	        _this._evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__loadModule_closure3(t1, callback));
  	        return;
  	      }
  	      _this._evaluate0$_withStackFrame$3(stackFrame, nodeWithSpan, new A._EvaluateVisitor__loadModule_closure4(_this, url, nodeWithSpan, baseUrl, namesInErrors, configuration, callback));
  	    },
  	    _evaluate0$_loadModule$5$configuration(url, stackFrame, nodeWithSpan, callback, configuration) {
  	      return this._evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, configuration, false);
  	    },
  	    _evaluate0$_loadModule$4(url, stackFrame, nodeWithSpan, callback) {
  	      return this._evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, stackFrame, nodeWithSpan, callback, null, null, false);
  	    },
  	    _evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, configuration, namesInErrors, nodeWithSpan) {
  	      var currentConfiguration, t2, _0_0, t3, message, existingSpan, configurationSpan, environment, css, preModuleComments, extensionStore, module, _this = this,
  	        t1 = stylesheet.span,
  	        url = t1.get$sourceUrl(t1);
  	      t1 = configuration == null;
  	      currentConfiguration = t1 ? _this._evaluate0$_configuration : configuration;
  	      t2 = _this._evaluate0$_modules;
  	      _0_0 = t2.$index(0, url);
  	      if (_0_0 != null) {
  	        t2 = _this._evaluate0$_moduleConfigurations.$index(0, url);
  	        t3 = t2._configuration0$__originalConfiguration;
  	        t2 = t3 == null ? t2 : t3;
  	        t3 = currentConfiguration._configuration0$__originalConfiguration;
  	        if (t2 !== (t3 == null ? currentConfiguration : t3) && currentConfiguration instanceof A.ExplicitConfiguration0 && _0_0.couldHaveBeenConfigured$1(new A.MapKeySet(new A.UnmodifiableMapView(currentConfiguration._configuration0$_values, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.MapKeySet_String))) {
  	          if (namesInErrors) {
  	            t2 = $.$get$context();
  	            url.toString;
  	            message = t2.prettyUri$1(url) + string$.x20was_a;
  	          } else
  	            message = string$.This_mw;
  	          t2 = _this._evaluate0$_moduleNodes.$index(0, url);
  	          existingSpan = t2 == null ? null : t2.get$span(t2);
  	          if (t1) {
  	            t1 = currentConfiguration.nodeWithSpan;
  	            configurationSpan = t1.get$span(t1);
  	          } else
  	            configurationSpan = null;
  	          t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (existingSpan != null)
  	            t1.$indexSet(0, existingSpan, "original load");
  	          if (configurationSpan != null)
  	            t1.$indexSet(0, configurationSpan, "configuration");
  	          throw A.wrapException(t1.get$isEmpty(0) ? _this._evaluate0$_exception$1(message) : _this._evaluate0$_multiSpanException$3(message, "new load", t1));
  	        }
  	        return _0_0;
  	      }
  	      environment = A.Environment$0();
  	      css = A._Cell$();
  	      preModuleComments = A._Cell$();
  	      extensionStore = A.ExtensionStore$0();
  	      _this._evaluate0$_withEnvironment$2(environment, new A._EvaluateVisitor__execute_closure1(_this, importer, stylesheet, extensionStore, configuration, css, preModuleComments));
  	      t1 = css._readLocal$0();
  	      t3 = preModuleComments._readLocal$0();
  	      module = environment.toModule$3(t1, t3 == null ? B.Map_empty10 : t3, extensionStore);
  	      if (url != null) {
  	        t2.$indexSet(0, url, module);
  	        _this._evaluate0$_moduleConfigurations.$indexSet(0, url, currentConfiguration);
  	        if (nodeWithSpan != null)
  	          _this._evaluate0$_moduleNodes.$indexSet(0, url, nodeWithSpan);
  	      }
  	      return module;
  	    },
  	    _evaluate0$_execute$2(importer, stylesheet) {
  	      return this._evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, null, false, null);
  	    },
  	    _evaluate0$_addOutOfOrderImports$0() {
  	      var t1, t2, _this = this, _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        _0_0 = _this._evaluate0$_outOfOrderImports;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children;
  	          break $label0$0;
  	        }
  	        t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children;
  	        t1 = A.List_List$_of(A.SubListIterable$(t1, 0, A.checkNotNullable(_this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_), "count", type$.int), t1.$ti._eval$1("ListBase.E")), type$.ModifiableCssNode_2);
  	        B.JSArray_methods.addAll$1(t1, _0_0);
  	        t2 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children;
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(t2, _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_), null, t2.$ti._eval$1("ListBase.E")));
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _evaluate0$_combineCss$2$clone(root, clone) {
  	      var selectors, _0_0, t1, imports, css, sorted, t2;
  	      if (!B.JSArray_methods.any$1(root.get$upstream(), new A._EvaluateVisitor__combineCss_closure3())) {
  	        selectors = root.get$extensionStore().get$simpleSelectors();
  	        _0_0 = A.IterableExtension_get_firstOrNull(root.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__combineCss_closure4(selectors)));
  	        if (_0_0 != null)
  	          this._evaluate0$_throwForUnsatisfiedExtension$1(_0_0);
  	        return root.get$css(root);
  	      }
  	      t1 = type$.JSArray_CssNode_2;
  	      imports = A._setArrayType([], t1);
  	      css = A._setArrayType([], t1);
  	      t1 = type$.Module_Callable_2;
  	      sorted = A.ListQueue$(t1);
  	      new A._EvaluateVisitor__combineCss_visitModule1(this, A.LinkedHashSet_LinkedHashSet$_empty(t1), clone, css, imports, sorted).call$1(root);
  	      if (root.get$transitivelyContainsExtensions())
  	        this._evaluate0$_extendModules$1(sorted);
  	      t1 = B.JSArray_methods.$add(imports, css);
  	      t2 = root.get$css(root);
  	      return new A.CssStylesheet0(new A.UnmodifiableListView(t1, type$.UnmodifiableListView_CssNode_2), t2.get$span(t2));
  	    },
  	    _evaluate0$_combineCss$1(root) {
  	      return this._evaluate0$_combineCss$2$clone(root, false);
  	    },
  	    _evaluate0$_extendModules$1(sortedModules) {
  	      var t1, t2, t3, originalSelectors, $self, t4, t5, _i, upstream, _0_0,
  	        downstreamExtensionStores = A.LinkedHashMap_LinkedHashMap$_empty(type$.Uri, type$.List_ExtensionStore_2),
  	        unsatisfiedExtensions = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_Extension_2);
  	      for (t1 = A._ListQueueIterator$(sortedModules, sortedModules.$ti._precomputed1), t2 = t1.$ti._precomputed1; t1.moveNext$0();) {
  	        t3 = t1._collection$_current;
  	        if (t3 == null)
  	          t3 = t2._as(t3);
  	        originalSelectors = t3.get$extensionStore().get$simpleSelectors().toSet$0(0);
  	        unsatisfiedExtensions.addAll$1(0, t3.get$extensionStore().extensionsWhereTarget$1(new A._EvaluateVisitor__extendModules_closure3(originalSelectors)));
  	        $self = downstreamExtensionStores.$index(0, t3.get$url(t3));
  	        t4 = t3.get$extensionStore().get$addExtensions();
  	        if ($self != null)
  	          t4.call$1($self);
  	        t4 = t3.get$extensionStore();
  	        if (t4.get$isEmpty(t4))
  	          continue;
  	        for (t4 = t3.get$upstream(), t5 = t4.length, _i = 0; _i < t4.length; t4.length === t5 || (0, A.throwConcurrentModificationError)(t4), ++_i) {
  	          upstream = t4[_i];
  	          _0_0 = upstream.get$url(upstream);
  	          if (_0_0 != null)
  	            J.add$1$ax(downstreamExtensionStores.putIfAbsent$2(_0_0, new A._EvaluateVisitor__extendModules_closure4()), t3.get$extensionStore());
  	        }
  	        unsatisfiedExtensions.removeAll$1(t3.get$extensionStore().extensionsWhereTarget$1(originalSelectors.get$contains(originalSelectors)));
  	      }
  	      if (unsatisfiedExtensions._collection$_length !== 0)
  	        this._evaluate0$_throwForUnsatisfiedExtension$1(unsatisfiedExtensions.get$first(0));
  	    },
  	    _evaluate0$_throwForUnsatisfiedExtension$1(extension) {
  	      throw A.wrapException(A.SassException$0(string$.The_ta + extension.target.toString$0(0) + ' !optional" to avoid this error.', extension.span, null));
  	    },
  	    _evaluate0$_indexAfterImports$1(statements) {
  	      var t1, lastImport, i, _0_0;
  	      for (t1 = J.getInterceptor$asx(statements), lastImport = -1, i = 0; i < t1.get$length(statements); ++i) {
  	        $label0$0: {
  	          _0_0 = t1.$index(statements, i);
  	          if (_0_0 instanceof A.ModifiableCssImport0)
  	            break $label0$0;
  	          if (_0_0 instanceof A.ModifiableCssComment0)
  	            continue;
  	          break;
  	        }
  	        lastImport = i;
  	      }
  	      return lastImport + 1;
  	    },
  	    visitStylesheet$1(_, node) {
  	      var t1, t2, warning, _i, $name, span;
  	      for (t1 = node.parseTimeWarnings, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        warning = t1.__internal$_current;
  	        if (warning == null)
  	          warning = t2._as(warning);
  	        this._evaluate0$_warn$3(warning._1, warning._2, warning._0);
  	      }
  	      for (t1 = node.children, t2 = t1.length, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(this);
  	      for (t1 = A.MapExtensions_get_pairs0(node.globalVariables, type$.String, type$.FileSpan), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        $name = t2._0;
  	        span = t2._1;
  	        this.visitVariableDeclaration$1(0, new A.VariableDeclaration0(null, $name, new A.NullExpression0(span), true, false, span));
  	      }
  	      return null;
  	    },
  	    visitAtRootRule$1(_, node) {
  	      var t1, _2_0, root, first, rest, innerCopy, outerCopy, _i, copy, _this = this, _null = null,
  	        _s8_ = "__parent",
  	        _0_0 = node.query,
  	        query = _0_0 != null ? new A.AtRootQueryParser0(A.SpanScanner$(_this._evaluate0$_performInterpolationWithMap$2$warnForColor(_0_0, true)._0, _null), _null).parse$0(0) : B.AtRootQuery_bfj0,
  	        $parent = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_),
  	        included = A._setArrayType([], type$.JSArray_ModifiableCssParentNode_2);
  	      for (t1 = type$.CssStylesheet_2; !t1._is($parent); $parent = _2_0) {
  	        if (!query.excludes$1($parent))
  	          included.push($parent);
  	        _2_0 = $parent._node$_parent;
  	        if (_2_0 == null)
  	          throw A.wrapException(A.StateError$(string$.CssNod));
  	      }
  	      root = _this._evaluate0$_trimIncluded$1(included);
  	      if (root === _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_)) {
  	        _this._evaluate0$_environment.scope$1$2$when(new A._EvaluateVisitor_visitAtRootRule_closure3(_this, node), node.hasDeclarations, type$.Null);
  	        return _null;
  	      }
  	      if (included.length >= 1) {
  	        first = included[0];
  	        rest = B.JSArray_methods.sublist$1(included, 1);
  	        innerCopy = first.copyWithoutChildren$0();
  	        for (t1 = rest.length, outerCopy = innerCopy, _i = 0; _i < rest.length; rest.length === t1 || (0, A.throwConcurrentModificationError)(rest), ++_i, outerCopy = copy) {
  	          copy = rest[_i].copyWithoutChildren$0();
  	          copy.addChild$1(outerCopy);
  	        }
  	        root.addChild$1(outerCopy);
  	      } else
  	        innerCopy = root;
  	      _this._evaluate0$_scopeForAtRoot$4(node, innerCopy, query, included).call$1(new A._EvaluateVisitor_visitAtRootRule_closure4(_this, node));
  	      return _null;
  	    },
  	    _evaluate0$_trimIncluded$1(nodes) {
  	      var $parent, t1, innermostContiguous, i, t2, _0_0, _1_0, root, _this = this, _null = null, _s5_ = "_root",
  	        _s22_ = " to be an ancestor of ";
  	      if (nodes.length === 0)
  	        return _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_);
  	      $parent = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, "__parent");
  	      for (t1 = nodes.length, innermostContiguous = _null, i = 0; i < t1; ++i, $parent = _1_0) {
  	        for (; t2 = nodes[i], $parent !== t2; innermostContiguous = _null, $parent = _0_0) {
  	          _0_0 = $parent._node$_parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	        }
  	        if (innermostContiguous == null)
  	          innermostContiguous = i;
  	        _1_0 = $parent._node$_parent;
  	        if (_1_0 == null)
  	          throw A.wrapException(A.ArgumentError$("Expected " + t2.toString$0(0) + _s22_ + _this.toString$0(0) + ".", _null));
  	      }
  	      if ($parent !== _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_))
  	        return _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_);
  	      innermostContiguous.toString;
  	      root = nodes[innermostContiguous];
  	      B.JSArray_methods.removeRange$2(nodes, innermostContiguous, nodes.length);
  	      return root;
  	    },
  	    _evaluate0$_scopeForAtRoot$4(node, newParent, query, included) {
  	      var _this = this,
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure11(_this, newParent, node),
  	        t1 = query._at_root_query0$_all || query._at_root_query0$_rule;
  	      if (t1 !== query.include)
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure12(_this, scope);
  	      if (_this._evaluate0$_mediaQueries != null && query.excludesName$1("media"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure13(_this, scope);
  	      if (_this._evaluate0$_inKeyframes && query.excludesName$1("keyframes"))
  	        scope = new A._EvaluateVisitor__scopeForAtRoot_closure14(_this, scope);
  	      return _this._evaluate0$_inUnknownAtRule && !B.JSArray_methods.any$1(included, new A._EvaluateVisitor__scopeForAtRoot_closure15()) ? new A._EvaluateVisitor__scopeForAtRoot_closure16(_this, scope) : scope;
  	    },
  	    visitContentBlock$1(_, node) {
  	      return A.throwExpression(A.UnsupportedError$(string$.Evalua));
  	    },
  	    visitContentRule$1(_, node) {
  	      var $content = this._evaluate0$_environment._environment0$_content;
  	      if ($content == null)
  	        return null;
  	      this._evaluate0$_runUserDefinedCallable$1$4(node.$arguments, $content, node, new A._EvaluateVisitor_visitContentRule_closure1(this, $content), type$.Null);
  	      return null;
  	    },
  	    visitDebugRule$1(_, node) {
  	      var value = node.expression.accept$1(this),
  	        t1 = value instanceof A.SassString0 ? value._string0$_text : A.serializeValue0(value, true, true);
  	      this._evaluate0$_logger.debug$2(0, t1, node.span);
  	      return null;
  	    },
  	    visitDeclaration$1(_, node) {
  	      var t1, $name, _0_0, _1_0, value, t2, t3, _2_0, oldDeclarationName, _this = this, _null = null;
  	      if ((_this._evaluate0$_atRootExcludingStyleRule ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot) == null && !_this._evaluate0$_inUnknownAtRule && !_this._evaluate0$_inKeyframes)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Declarm, node.span));
  	      if (_this._evaluate0$_declarationName != null && !node.parsedAsSassScript) {
  	        t1 = B.JSString_methods.startsWith$1(node.name.get$initialPlain(), "--") ? string$.Declarw : string$.Declarp;
  	        throw A.wrapException(_this._evaluate0$_exception$2(t1, node.span));
  	      }
  	      $name = _this._evaluate0$_interpolationToValue$2$warnForColor(node.name, true);
  	      _0_0 = _this._evaluate0$_declarationName;
  	      if (_0_0 != null)
  	        $name = new A.CssValue0(_0_0 + "-" + $name.value, $name.span, type$.CssValue_String_2);
  	      _1_0 = node.value;
  	      if (_1_0 != null) {
  	        value = _1_0.accept$1(_this);
  	        if (!value.get$isBlank() || value.get$asList().length === 0 || B.JSString_methods.startsWith$1($name.value, "--")) {
  	          _this._evaluate0$_copyParentAfterSibling$0();
  	          t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, "__parent");
  	          t2 = _1_0.get$span(_1_0);
  	          if (_this._evaluate0$_sourceMap) {
  	            t3 = A.NullableExtension_andThen0(_1_0, _this.get$_evaluate0$_expressionNode());
  	            t3 = t3 == null ? _null : J.get$span$x(t3);
  	          } else
  	            t3 = _null;
  	          t1.addChild$1(A.ModifiableCssDeclaration$0($name, new A.CssValue0(value, t2, type$.CssValue_Value_2), node.span, node.parsedAsSassScript, t3));
  	        }
  	      }
  	      _2_0 = node.children;
  	      t1 = {};
  	      t1.children = null;
  	      if (_2_0 != null) {
  	        t1.children = _2_0;
  	        oldDeclarationName = _this._evaluate0$_declarationName;
  	        _this._evaluate0$_declarationName = $name.value;
  	        _this._evaluate0$_environment.scope$1$2$when(new A._EvaluateVisitor_visitDeclaration_closure1(t1, _this), node.hasDeclarations, type$.Null);
  	        _this._evaluate0$_declarationName = oldDeclarationName;
  	      }
  	      return _null;
  	    },
  	    visitEachRule$1(_, node) {
  	      var _this = this,
  	        t1 = node.list,
  	        list = t1.accept$1(_this),
  	        nodeWithSpan = _this._evaluate0$_expressionNode$1(t1),
  	        _0_0 = node.variables;
  	      $label0$0: {
  	        t1 = {};
  	        t1.variable = null;
  	        if (_0_0.length === 1) {
  	          t1.variable = _0_0[0];
  	          t1 = new A._EvaluateVisitor_visitEachRule_closure5(t1, _this, nodeWithSpan);
  	          break $label0$0;
  	        }
  	        t1 = {};
  	        t1.variables = null;
  	        t1.variables = _0_0;
  	        t1 = new A._EvaluateVisitor_visitEachRule_closure6(t1, _this, nodeWithSpan);
  	        break $label0$0;
  	      }
  	      return _this._evaluate0$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitEachRule_closure7(_this, list, t1, node), true, type$.nullable_Value_2);
  	    },
  	    _evaluate0$_setMultipleVariables$3(variables, value, nodeWithSpan) {
  	      var i,
  	        list = value.get$asList(),
  	        t1 = variables.length,
  	        minLength = Math.min(t1, list.length);
  	      for (i = 0; i < minLength; ++i)
  	        this._evaluate0$_environment.setLocalVariable$3(variables[i], this._evaluate0$_withoutSlash$2(list[i], nodeWithSpan), nodeWithSpan);
  	      for (i = minLength; i < t1; ++i)
  	        this._evaluate0$_environment.setLocalVariable$3(variables[i], B.C__SassNull0, nodeWithSpan);
  	    },
  	    visitErrorRule$1(_, node) {
  	      throw A.wrapException(this._evaluate0$_exception$2(node.expression.accept$1(this).toString$0(0), node.span));
  	    },
  	    visitExtendRule$1(_, node) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, _0_0, compound, simple, _this = this, _null = null,
  	        styleRule = _this._evaluate0$_atRootExcludingStyleRule ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (styleRule == null || _this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.x40exten, node.span));
  	      for (t1 = styleRule.originalSelector.components, t2 = t1.length, t3 = node.span, t4 = type$.SourceSpan, t5 = type$.String, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        if (!complex.accept$1(B._IsBogusVisitor_true0))
  	          continue;
  	        visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	        complex.accept$1(visitor);
  	        t6 = B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0));
  	        t7 = complex.accept$1(B.C__IsUselessVisitor0) ? "can't" : "shouldn't";
  	        _this._evaluate0$_warn$3('The selector "' + t6 + '" is invalid CSS and ' + t7 + string$.x20be_an, new A.MultiSpan0(A.SpanExtensions_trimRight0(complex.span), "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t3, "@extend rule"], t4, t5), t4, t5)), B.Deprecation_2PR);
  	      }
  	      _0_0 = _this._evaluate0$_performInterpolationWithMap$2$warnForColor(node.selector, true);
  	      for (t1 = A.SelectorList_SelectorList$parse0(A.trimAscii0(_0_0._0, true), false, _0_0._1, false).components, t2 = t1.length, t3 = styleRule._style_rule0$_selector._box0$_inner, _i = 0; _i < t2; ++_i) {
  	        complex = t1[_i];
  	        compound = complex.get$singleCompound();
  	        if (compound == null)
  	          throw A.wrapException(A.SassFormatException$0("complex selectors may not be extended.", complex.span, _null));
  	        t4 = compound.components;
  	        simple = t4.length === 1 ? B.JSArray_methods.get$first(t4) : _null;
  	        if (simple == null)
  	          throw A.wrapException(A.SassFormatException$0(string$.compou + B.JSArray_methods.join$1(t4, ", ") + string$.x60_inst, compound.span, _null));
  	        _this._evaluate0$_assertInModule$2(_this._evaluate0$__extensionStore, "_extensionStore").addExtension$4(t3.value, simple, node, _this._evaluate0$_mediaQueries);
  	      }
  	      return _null;
  	    },
  	    visitAtRule$1(_, node) {
  	      var $name, value, children, wasInKeyframes, wasInUnknownAtRule, rule, _this = this;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.At_rul, node.span));
  	      $name = _this._evaluate0$_interpolationToValue$1(node.name);
  	      value = A.NullableExtension_andThen0(node.value, new A._EvaluateVisitor_visitAtRule_closure7(_this));
  	      children = node.children;
  	      if (children == null) {
  	        _this._evaluate0$_copyParentAfterSibling$0();
  	        _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$0($name, node.span, true, value));
  	        return null;
  	      }
  	      wasInKeyframes = _this._evaluate0$_inKeyframes;
  	      wasInUnknownAtRule = _this._evaluate0$_inUnknownAtRule;
  	      if (A.unvendor0($name.value) === "keyframes")
  	        _this._evaluate0$_inKeyframes = true;
  	      else
  	        _this._evaluate0$_inUnknownAtRule = true;
  	      rule = A.ModifiableCssAtRule$0($name, node.span, false, value);
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitAtRule_closure8(_this, children), node.hasDeclarations, type$.ModifiableCssAtRule_2, type$.Null);
  	        _this._evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	        _this._evaluate0$_inKeyframes = wasInKeyframes;
  	        return null;
  	      }
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitAtRule_closure9(_this, $name, children), node.hasDeclarations, new A._EvaluateVisitor_visitAtRule_closure10(), type$.ModifiableCssAtRule_2, type$.Null);
  	      _this._evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	      _this._evaluate0$_inKeyframes = wasInKeyframes;
  	      return null;
  	    },
  	    visitForRule$1(_, node) {
  	      var _this = this, t1 = {},
  	        t2 = node.from,
  	        fromNumber = _this._evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure9(_this, node)),
  	        t3 = node.to,
  	        toNumber = _this._evaluate0$_addExceptionSpan$2(t3, new A._EvaluateVisitor_visitForRule_closure10(_this, node)),
  	        from = _this._evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor_visitForRule_closure11(fromNumber)),
  	        to = t1.to = _this._evaluate0$_addExceptionSpan$2(t3, new A._EvaluateVisitor_visitForRule_closure12(toNumber, fromNumber)),
  	        direction = from > to ? -1 : 1;
  	      if (from === (!node.isExclusive ? t1.to = to + direction : to))
  	        return null;
  	      return _this._evaluate0$_environment.scope$1$2$semiGlobal(new A._EvaluateVisitor_visitForRule_closure13(t1, _this, node, from, direction, fromNumber), true, type$.nullable_Value_2);
  	    },
  	    visitForwardRule$1(_, node) {
  	      var newConfiguration, t4, _i, variable, $name, _this = this,
  	        _s8_ = "@forward",
  	        oldConfiguration = _this._evaluate0$_configuration,
  	        adjustedConfiguration = oldConfiguration.throughForward$1(node),
  	        t1 = node.configuration,
  	        t2 = t1.length,
  	        t3 = node.url;
  	      if (t2 !== 0) {
  	        newConfiguration = _this._evaluate0$_addForwardConfiguration$2(adjustedConfiguration, node);
  	        _this._evaluate0$_loadModule$5$configuration(t3, _s8_, node, new A._EvaluateVisitor_visitForwardRule_closure3(_this, node), newConfiguration);
  	        t3 = type$.String;
  	        t4 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	        for (_i = 0; _i < t2; ++_i) {
  	          variable = t1[_i];
  	          if (!variable.isGuarded)
  	            t4.add$1(0, variable.name);
  	        }
  	        _this._evaluate0$_removeUsedConfiguration$3$except(adjustedConfiguration, newConfiguration, t4);
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(t3);
  	        for (_i = 0; _i < t2; ++_i)
  	          t3.add$1(0, t1[_i].name);
  	        for (t1 = newConfiguration._configuration0$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t4 = t2.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	          $name = t2[_i];
  	          if (!t3.contains$1(0, $name))
  	            if (!t1.get$isEmpty(t1))
  	              t1.remove$1(0, $name);
  	        }
  	        _this._evaluate0$_assertConfigurationIsEmpty$1(newConfiguration);
  	      } else {
  	        _this._evaluate0$_configuration = adjustedConfiguration;
  	        _this._evaluate0$_loadModule$4(t3, _s8_, node, new A._EvaluateVisitor_visitForwardRule_closure4(_this, node));
  	        _this._evaluate0$_configuration = oldConfiguration;
  	      }
  	      return null;
  	    },
  	    _evaluate0$_addForwardConfiguration$2(configuration, node) {
  	      var t2, t3, _i, variable, t4, _0_0, t5, oldValue, variableNodeWithSpan, _null = null,
  	        t1 = configuration._configuration0$_values,
  	        newValues = A.LinkedHashMap_LinkedHashMap$of(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.String, type$.ConfiguredValue_2);
  	      for (t2 = node.configuration, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        variable = t2[_i];
  	        if (variable.isGuarded) {
  	          t4 = variable.name;
  	          _0_0 = t1.get$isEmpty(t1) ? _null : t1.remove$1(0, t4);
  	          if (_0_0 != null) {
  	            t5 = !_0_0.value.$eq(0, B.C__SassNull0);
  	            oldValue = _0_0;
  	          } else {
  	            oldValue = _null;
  	            t5 = false;
  	          }
  	          if (t5) {
  	            newValues.$indexSet(0, t4, oldValue);
  	            continue;
  	          }
  	        }
  	        t4 = variable.expression;
  	        variableNodeWithSpan = this._evaluate0$_expressionNode$1(t4);
  	        newValues.$indexSet(0, variable.name, new A.ConfiguredValue0(this._evaluate0$_withoutSlash$2(t4.accept$1(this), variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	      }
  	      if (configuration instanceof A.ExplicitConfiguration0 || t1.get$isEmpty(t1))
  	        return new A.ExplicitConfiguration0(node, newValues, _null);
  	      else
  	        return new A.Configuration0(newValues, _null);
  	    },
  	    _evaluate0$_registerCommentsForModule$1(module) {
  	      var _this = this, _s5_ = "_root",
  	        t1 = _this._evaluate0$__root;
  	      if (t1 == null)
  	        return;
  	      if (_this._evaluate0$_assertInModule$2(t1, _s5_).children.get$length(0) === 0 || !module.get$transitivelyContainsCss())
  	        return;
  	      t1 = _this._evaluate0$_preModuleComments;
  	      if (t1 == null)
  	        t1 = _this._evaluate0$_preModuleComments = A.LinkedHashMap_LinkedHashMap$_empty(type$.Module_Callable_2, type$.List_CssComment_2);
  	      J.addAll$1$ax(t1.putIfAbsent$2(module, new A._EvaluateVisitor__registerCommentsForModule_closure1()), new A.UnmodifiableListView(J.cast$1$0$ax(_this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children._collection$_source, type$.CssComment_2), type$.UnmodifiableListView_CssComment_2));
  	      _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).clearChildren$0();
  	      _this._evaluate0$__endOfImports = 0;
  	    },
  	    _evaluate0$_removeUsedConfiguration$3$except(upstream, downstream, except) {
  	      var t1, t2, t3, t4, _i, $name;
  	      for (t1 = upstream._configuration0$_values, t2 = t1.get$keys(t1), t2 = t2.toList$0(t2), t3 = t2.length, t4 = downstream._configuration0$_values, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        $name = t2[_i];
  	        if (except.contains$1(0, $name))
  	          continue;
  	        if (!t4.containsKey$1($name))
  	          if (!t1.get$isEmpty(t1))
  	            t1.remove$1(0, $name);
  	      }
  	    },
  	    _evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, nameInError) {
  	      var t1, _0_0;
  	      if (!(configuration instanceof A.ExplicitConfiguration0))
  	        return;
  	      t1 = configuration._configuration0$_values;
  	      if (t1.get$isEmpty(t1))
  	        return;
  	      t1 = A.MapExtensions_get_pairs0(new A.UnmodifiableMapView(t1, type$.UnmodifiableMapView_String_ConfiguredValue_2), type$.String, type$.ConfiguredValue_2);
  	      _0_0 = t1.get$first(t1);
  	      t1 = nameInError ? "$" + _0_0._0 + string$.x20was_n : string$.This_v;
  	      throw A.wrapException(this._evaluate0$_exception$2(t1, _0_0._1.configurationSpan));
  	    },
  	    _evaluate0$_assertConfigurationIsEmpty$1(configuration) {
  	      return this._evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, false);
  	    },
  	    visitFunctionRule$1(_, node) {
  	      var t1 = this._evaluate0$_environment,
  	        t2 = t1.closure$0(),
  	        t3 = this._evaluate0$_inDependency,
  	        t4 = t1._environment0$_functions,
  	        index = t4.length - 1,
  	        t5 = node.name;
  	      t1._environment0$_functionIndices.$indexSet(0, t5, index);
  	      t4[index].$indexSet(0, t5, new A.UserDefinedCallable0(node, t2, t3, type$.UserDefinedCallable_Environment_2));
  	      return null;
  	    },
  	    visitIfRule$1(_, node) {
  	      var t1, t2, _i, clauseToCheck,
  	        clause = node.lastClause;
  	      for (t1 = node.clauses, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        clauseToCheck = t1[_i];
  	        if (clauseToCheck.expression.accept$1(this).get$isTruthy()) {
  	          clause = clauseToCheck;
  	          break;
  	        }
  	      }
  	      return A.NullableExtension_andThen0(clause, new A._EvaluateVisitor_visitIfRule_closure1(this));
  	    },
  	    visitImportRule$1(_, node) {
  	      var t1, t2, t3, t4, t5, t6, _i, $import, t7, _0_0, $self, t8, _this = this,
  	        _s8_ = "__parent",
  	        _s5_ = "_root",
  	        _s13_ = "_endOfImports";
  	      for (t1 = node.imports, t2 = t1.length, t3 = type$.CssValue_String_2, t4 = _this.get$_evaluate0$_interpolationToValue(), t5 = type$.StaticImport_2, t6 = type$.JSArray_ModifiableCssImport_2, _i = 0; _i < t2; ++_i) {
  	        $import = t1[_i];
  	        if ($import instanceof A.DynamicImport0)
  	          _this._evaluate0$_visitDynamicImport$1($import);
  	        else {
  	          t5._as($import);
  	          t7 = $import.url;
  	          _0_0 = _this._evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(t7, false, false);
  	          $self = $import.modifiers;
  	          t8 = $self == null ? null : t4.call$1($self);
  	          node = new A.ModifiableCssImport0(new A.CssValue0(_0_0._0, t7.span, t3), t8, $import.span);
  	          if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) !== _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_)) {
  	            _this._evaluate0$_copyParentAfterSibling$0();
  	            _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).addChild$1(node);
  	          } else if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) === J.get$length$asx(_this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children._collection$_source)) {
  	            t7 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_);
  	            node._node$_parent = t7;
  	            t7 = t7._node$_children;
  	            node._node$_indexInParent = t7.length;
  	            t7.push(node);
  	            _this._evaluate0$__endOfImports = _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) + 1;
  	          } else {
  	            t7 = _this._evaluate0$_outOfOrderImports;
  	            (t7 == null ? _this._evaluate0$_outOfOrderImports = A._setArrayType([], t6) : t7).push(node);
  	          }
  	        }
  	      }
  	      return null;
  	    },
  	    _evaluate0$_visitDynamicImport$1($import) {
  	      return this._evaluate0$_withStackFrame$3("@import", $import, new A._EvaluateVisitor__visitDynamicImport_closure1(this, $import));
  	    },
  	    _evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, forImport) {
  	      var _0_0, importCache, _1_0, importer, canonicalUrl, originalUrl, isDependency, _2_0, stylesheet, _3_0, result, error, stackTrace, error0, stackTrace0, t1, t2, _this = this,
  	        _s11_ = "_stylesheet";
  	      baseUrl = baseUrl;
  	      try {
  	        _this._evaluate0$_importSpan = span;
  	        _0_0 = _this._evaluate0$_importCache;
  	        importCache = null;
  	        if (_0_0 != null) {
  	          importCache = _0_0;
  	          if (baseUrl == null) {
  	            t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).span;
  	            baseUrl = t1.get$sourceUrl(t1);
  	          }
  	          _1_0 = J.canonicalize$4$baseImporter$baseUrl$forImport$x(importCache, A.Uri_parse(url), _this._evaluate0$_importer, baseUrl, forImport);
  	          importer = null;
  	          canonicalUrl = null;
  	          originalUrl = null;
  	          if (type$.Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl._is(_1_0)) {
  	            importer = _1_0._0;
  	            canonicalUrl = _1_0._1;
  	            originalUrl = _1_0._2;
  	            if (canonicalUrl.get$scheme() === "")
  	              A.WarnForDeprecation_warnForDeprecation0(_this._evaluate0$_logger, B.Deprecation_Vc9, "Importer " + A.S(importer) + " canonicalized " + url + " to " + A.S(canonicalUrl) + string$.x2e_Rela, null, null);
  	            _this._evaluate0$_loadedUrls.add$1(0, canonicalUrl);
  	            isDependency = _this._evaluate0$_inDependency || !J.$eq$(importer, _this._evaluate0$_importer);
  	            _2_0 = importCache.importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl);
  	            stylesheet = null;
  	            if (_2_0 != null) {
  	              stylesheet = _2_0;
  	              t1 = stylesheet;
  	              t2 = importer;
  	              return new A._Record_3_importer_isDependency(t1, t2, isDependency);
  	            }
  	          }
  	        }
  	        if (_this._nodeImporter != null) {
  	          t1 = baseUrl;
  	          if (t1 == null) {
  	            t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).span;
  	            t1 = t1.get$sourceUrl(t1);
  	          }
  	          _3_0 = _this._importLikeNode$3(url, t1, forImport);
  	          result = null;
  	          if (_3_0 != null) {
  	            result = _3_0;
  	            t1 = result._0.span;
  	            t2 = _this._evaluate0$_loadedUrls;
  	            A.NullableExtension_andThen0(t1.get$sourceUrl(t1), t2.get$add(t2));
  	            t2 = result;
  	            return t2;
  	          }
  	        }
  	        t1 = B.JSString_methods.startsWith$1(url, "package:");
  	        if (t1)
  	          throw A.wrapException(string$.x22packa);
  	        else
  	          throw A.wrapException("Can't find stylesheet to import.");
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0)
  	          throw exception;
  	        else if (t1 instanceof A.ArgumentError) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace0(_this._evaluate0$_exception$1(J.toString$0$(error)), error, stackTrace);
  	        } else {
  	          error0 = t1;
  	          stackTrace0 = A.getTraceFromException(exception);
  	          A.throwWithTrace0(_this._evaluate0$_exception$1(_this._evaluate0$_getErrorMessage$1(error0)), error0, stackTrace0);
  	        }
  	      } finally {
  	        _this._evaluate0$_importSpan = null;
  	      }
  	    },
  	    _evaluate0$_loadStylesheet$3$baseUrl(url, span, baseUrl) {
  	      return this._evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, baseUrl, false);
  	    },
  	    _evaluate0$_loadStylesheet$3$forImport(url, span, forImport) {
  	      return this._evaluate0$_loadStylesheet$4$baseUrl$forImport(url, span, null, forImport);
  	    },
  	    _importLikeNode$3(originalUrl, previous, forImport) {
  	      var isDependency, url,
  	        t1 = this._nodeImporter,
  	        result = t1.loadRelative$3(originalUrl, previous, forImport);
  	      if (result != null)
  	        isDependency = this._evaluate0$_inDependency;
  	      else {
  	        result = t1.load$3(0, originalUrl, previous, forImport);
  	        if (result == null)
  	          return null;
  	        isDependency = true;
  	      }
  	      url = result._1;
  	      t1 = B.JSString_methods.startsWith$1(url, "file") ? A.Syntax_forPath0(url) : B.Syntax_SCSS_0_scss0;
  	      return new A._Record_3_importer_isDependency(A.Stylesheet_Stylesheet$parse0(result._0, t1, false, url), null, isDependency);
  	    },
  	    _evaluate0$_applyMixin$5(mixin, contentCallable, $arguments, nodeWithSpan, nodeWithSpanWithoutContent) {
  	      var t1, _0_0, t2, _1_8, t3, _this = this, _null = null,
  	        _s37_ = "Mixin doesn't accept a content block.",
  	        _s10_ = "invocation";
  	      $label0$0: {
  	        if (mixin == null)
  	          throw A.wrapException(_this._evaluate0$_exception$2("Undefined mixin.", nodeWithSpan.get$span(nodeWithSpan)));
  	        t1 = mixin instanceof A.BuiltInCallable0;
  	        if (t1 && !mixin.acceptsContent && contentCallable != null) {
  	          t1 = _this._evaluate0$_evaluateArguments$1($arguments)._values;
  	          _0_0 = mixin.callbackFor$2(t1[2].length, new A.MapKeySet(t1[0], type$.MapKeySet_String));
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$0(_s37_, nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_0_0._0.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate0$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), _null));
  	        }
  	        if (t1) {
  	          _this._evaluate0$_environment.withContent$2(contentCallable, new A._EvaluateVisitor__applyMixin_closure3(_this, $arguments, mixin, nodeWithSpanWithoutContent));
  	          break $label0$0;
  	        }
  	        t1 = type$.UserDefinedCallable_Environment_2._is(mixin);
  	        t2 = false;
  	        if (t1) {
  	          _1_8 = mixin.declaration;
  	          t3 = _1_8;
  	          if (t3 instanceof A.MixinRule0)
  	            t2 = !type$.MixinRule_2._as(_1_8).get$hasContent() && contentCallable != null;
  	        }
  	        if (t2)
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$0(_s37_, nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent), _s10_, A.LinkedHashMap_LinkedHashMap$_literal([mixin.declaration.parameters.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate0$_stackTrace$1(nodeWithSpanWithoutContent.get$span(nodeWithSpanWithoutContent)), _null));
  	        if (t1) {
  	          _this._evaluate0$_runUserDefinedCallable$1$4($arguments, mixin, nodeWithSpanWithoutContent, new A._EvaluateVisitor__applyMixin_closure4(_this, contentCallable, mixin, nodeWithSpanWithoutContent), type$.Null);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	      }
  	    },
  	    visitIncludeRule$1(_, node) {
  	      var _this = this,
  	        mixin = _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitIncludeRule_closure5(_this, node));
  	      if (B.JSString_methods.startsWith$1(node.originalName, "--") && mixin instanceof A.UserDefinedCallable0 && !B.JSString_methods.startsWith$1(mixin.declaration.originalName, "--"))
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Sass__m, node.get$nameSpan()));
  	      _this._evaluate0$_applyMixin$5(mixin, A.NullableExtension_andThen0(node.content, new A._EvaluateVisitor_visitIncludeRule_closure6(_this)), node.$arguments, node, new A._FakeAstNode0(new A._EvaluateVisitor_visitIncludeRule_closure7(node)));
  	      return null;
  	    },
  	    visitMixinRule$1(_, node) {
  	      var t1 = this._evaluate0$_environment,
  	        t2 = t1.closure$0(),
  	        t3 = this._evaluate0$_inDependency,
  	        t4 = t1._environment0$_mixins,
  	        index = t4.length - 1,
  	        t5 = node.name;
  	      t1._environment0$_mixinIndices.$indexSet(0, t5, index);
  	      t4[index].$indexSet(0, t5, new A.UserDefinedCallable0(node, t2, t3, type$.UserDefinedCallable_Environment_2));
  	      return null;
  	    },
  	    visitLoudComment$1(_, node) {
  	      var t1, text, _this = this,
  	        _s8_ = "__parent",
  	        _s13_ = "_endOfImports";
  	      if (_this._evaluate0$_inFunction)
  	        return null;
  	      if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) === _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, "_root") && _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) === J.get$length$asx(_this._evaluate0$_assertInModule$2(_this._evaluate0$__root, "_root").children._collection$_source))
  	        _this._evaluate0$__endOfImports = _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) + 1;
  	      t1 = node.text;
  	      text = _this._evaluate0$_performInterpolation$1(t1);
  	      if (!B.JSString_methods.endsWith$1(text, "*/"))
  	        text += " */";
  	      _this._evaluate0$_copyParentAfterSibling$0();
  	      _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).addChild$1(new A.ModifiableCssComment0(text, t1.span));
  	      return null;
  	    },
  	    visitMediaRule$1(_, node) {
  	      var _0_0, queries, mergedQueries, t1, mergedSources, t2, t3, _this = this, _null = null;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Media_, node.span));
  	      _0_0 = _this._evaluate0$_performInterpolationWithMap$2$warnForColor(node.query, true);
  	      queries = new A.MediaQueryParser0(A.SpanScanner$(_0_0._0, _null), _0_0._1).parse$0(0);
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$0(queries, node.span), new A._EvaluateVisitor_visitMediaRule_closure7(_this, node), false, type$.ModifiableCssMediaRule_2, type$.Null);
  	        return _null;
  	      }
  	      mergedQueries = A.NullableExtension_andThen0(_this._evaluate0$_mediaQueries, new A._EvaluateVisitor_visitMediaRule_closure8(_this, queries));
  	      t1 = mergedQueries == null;
  	      if (!t1 && J.get$isEmpty$asx(mergedQueries))
  	        return _null;
  	      if (t1)
  	        mergedSources = B.Set_empty6;
  	      else {
  	        t2 = _this._evaluate0$_mediaQuerySources;
  	        t2.toString;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery_2);
  	        t3 = _this._evaluate0$_mediaQueries;
  	        t3.toString;
  	        t2.addAll$1(0, t3);
  	        t2.addAll$1(0, queries);
  	        mergedSources = t2;
  	      }
  	      t1 = t1 ? queries : mergedQueries;
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$0(t1, node.span), new A._EvaluateVisitor_visitMediaRule_closure9(_this, mergedQueries, queries, mergedSources, node), node.hasDeclarations, new A._EvaluateVisitor_visitMediaRule_closure10(mergedSources), type$.ModifiableCssMediaRule_2, type$.Null);
  	      return _null;
  	    },
  	    _evaluate0$_mergeMediaQueries$2(queries1, queries2) {
  	      var t1, t2, t3, t4, _0_0, t5, result,
  	        queries = A._setArrayType([], type$.JSArray_CssMediaQuery_2);
  	      for (t1 = J.get$iterator$ax(queries1), t2 = J.getInterceptor$ax(queries2); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        for (t4 = t2.get$iterator(queries2); t4.moveNext$0();) {
  	          _0_0 = t3.merge$1(t4.get$current(t4));
  	          if (B._SingletonCssMediaQueryMergeResult_00 === _0_0)
  	            continue;
  	          if (B._SingletonCssMediaQueryMergeResult_10 === _0_0)
  	            return null;
  	          t5 = _0_0 instanceof A.MediaQuerySuccessfulMergeResult0;
  	          result = t5 ? _0_0 : null;
  	          if (t5)
  	            queries.push(result.query);
  	        }
  	      }
  	      return queries;
  	    },
  	    visitReturnRule$1(_, node) {
  	      var t1 = node.expression;
  	      return this._evaluate0$_withoutSlash$2(t1.accept$1(this), t1);
  	    },
  	    visitSilentComment$1(_, node) {
  	      return null;
  	    },
  	    visitStyleRule$1(_, node) {
  	      var t1, _0_0, selectorText, selectorMap, parsedSelector, _1_0, t2, t3, _i, _2_0, first, t4, rule, oldAtRootExcludingStyleRule, _this = this, _null = null,
  	        _s8_ = "__parent",
  	        _s11_ = "_stylesheet";
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Style_n, node.span));
  	      else if (_this._evaluate0$_inKeyframes && _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) instanceof A.ModifiableCssKeyframeBlock0)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Style_k, node.span));
  	      t1 = node.selector;
  	      t1.toString;
  	      _0_0 = _this._evaluate0$_performInterpolationWithMap$2$warnForColor(t1, true);
  	      selectorText = _0_0._0;
  	      selectorMap = _0_0._1;
  	      if (_this._evaluate0$_inKeyframes) {
  	        _this._evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$0(new A.CssValue0(A.List_List$unmodifiable(new A.KeyframeSelectorParser0(A.SpanScanner$(selectorText, _null), selectorMap).parse$0(0), type$.String), t1.span, type$.CssValue_List_String_2), node.span), new A._EvaluateVisitor_visitStyleRule_closure7(_this, node), node.hasDeclarations, new A._EvaluateVisitor_visitStyleRule_closure8(), type$.ModifiableCssKeyframeBlock_2, type$.Null);
  	        return _null;
  	      }
  	      parsedSelector = A.SelectorList_SelectorList$parse0(selectorText, true, selectorMap, _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss);
  	      _1_0 = _this._evaluate0$_atRootExcludingStyleRule ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot;
  	      $label0$0: {
  	        if (_1_0 == null) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (_1_0.fromPlainCss) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = !(_this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss && parsedSelector.accept$1(B.C__ContainsParentSelectorVisitor0));
  	        break $label0$0;
  	      }
  	      if (t1) {
  	        if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss)
  	          for (t2 = parsedSelector.components, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	            _2_0 = t2[_i].leadingCombinators;
  	            if (_2_0.length >= 1) {
  	              first = _2_0[0];
  	              t4 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss;
  	            } else {
  	              first = _null;
  	              t4 = false;
  	            }
  	            if (t4)
  	              throw A.wrapException(_this._evaluate0$_exception$2(string$.Top_le, first.span));
  	          }
  	        t2 = _this._evaluate0$_styleRuleIgnoringAtRoot;
  	        t2 = t2 == null ? _null : t2.originalSelector;
  	        parsedSelector = parsedSelector.nestWithin$3$implicitParent$preserveParentSelectors(t2, !_this._evaluate0$_atRootExcludingStyleRule, _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss);
  	      }
  	      rule = A.ModifiableCssStyleRule$0(_this._evaluate0$_assertInModule$2(_this._evaluate0$__extensionStore, "_extensionStore").addSelector$2(parsedSelector, _this._evaluate0$_mediaQueries), node.span, _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss, parsedSelector);
  	      oldAtRootExcludingStyleRule = _this._evaluate0$_atRootExcludingStyleRule;
  	      t2 = _this._evaluate0$_atRootExcludingStyleRule = false;
  	      t1 = t1 ? new A._EvaluateVisitor_visitStyleRule_closure9() : _null;
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitStyleRule_closure10(_this, rule, node), node.hasDeclarations, t1, type$.ModifiableCssStyleRule_2, type$.Null);
  	      _this._evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	      _this._evaluate0$_warnForBogusCombinators$1(rule);
  	      if ((_this._evaluate0$_atRootExcludingStyleRule ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot) == null) {
  	        t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).children;
  	        t1 = !t1.get$isEmpty(t1);
  	      } else
  	        t1 = t2;
  	      if (t1) {
  	        t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).children;
  	        t1.get$last(t1).isGroupEnd = true;
  	      }
  	      return _null;
  	    },
  	    _evaluate0$_warnForBogusCombinators$1(rule) {
  	      var t1, t2, t3, t4, t5, _i, complex, visitor, t6, t7, t8, t9, _this = this, _null = null;
  	      if (!rule.accept$1(B._IsInvisibleVisitor_false_false0))
  	        for (t1 = rule._style_rule0$_selector._box0$_inner.value.components, t2 = t1.length, t3 = type$.SourceSpan, t4 = type$.String, t5 = rule.children, _i = 0; _i < t2; ++_i) {
  	          complex = t1[_i];
  	          if (!complex.accept$1(B._IsBogusVisitor_true0))
  	            continue;
  	          if (complex.accept$1(B.C__IsUselessVisitor0)) {
  	            visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            _this._evaluate0$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0)) + string$.x22x20is_ix20, A.SpanExtensions_trimRight0(complex.span), B.Deprecation_2PR);
  	          } else if (complex.leadingCombinators.length !== 0) {
  	            if (!_this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, "_stylesheet").plainCss) {
  	              visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	              complex.accept$1(visitor);
  	              _this._evaluate0$_warn$3('The selector "' + B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0)) + string$.x22x20is_ix0a, A.SpanExtensions_trimRight0(complex.span), B.Deprecation_2PR);
  	            }
  	          } else {
  	            visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	            complex.accept$1(visitor);
  	            t6 = B.JSString_methods.trim$0(visitor._serialize0$_buffer.toString$0(0));
  	            t7 = complex.accept$1(B._IsBogusVisitor_false0) ? string$.x20It_wi : "";
  	            t8 = A.SpanExtensions_trimRight0(complex.span);
  	            if (t5.get$length(0) === 0)
  	              A.throwExpression(A.IterableElementError_noElement());
  	            t9 = J.get$span$x(t5.$index(0, 0));
  	            _this._evaluate0$_warn$3('The selector "' + t6 + string$.x22x20is_o + t7 + string$.x0aThis_, new A.MultiSpan0(t8, "invalid selector", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([t9, "this is not a style rule" + (t5.every$1(t5, new A._EvaluateVisitor__warnForBogusCombinators_closure1()) ? "\n(try converting to a //-style comment)" : "")], t3, t4), t3, t4)), B.Deprecation_2PR);
  	          }
  	        }
  	    },
  	    visitSupportsRule$1(_, node) {
  	      var t1, rule, _this = this;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Suppor, node.span));
  	      t1 = node.condition;
  	      rule = A.ModifiableCssSupportsRule$0(new A.CssValue0(_this._evaluate0$_visitSupportsCondition$1(t1), t1.get$span(t1), type$.CssValue_String_2), node.span);
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitSupportsRule_closure5(_this, node), node.hasDeclarations, type$.ModifiableCssSupportsRule_2, type$.Null);
  	        return null;
  	      }
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitSupportsRule_closure6(_this, node), node.hasDeclarations, new A._EvaluateVisitor_visitSupportsRule_closure7(), type$.ModifiableCssSupportsRule_2, type$.Null);
  	      return null;
  	    },
  	    _evaluate0$_visitSupportsCondition$1(condition) {
  	      var t1, _this = this;
  	      $label0$0: {
  	        if (condition instanceof A.SupportsOperation0) {
  	          t1 = condition.operator;
  	          t1 = _this._evaluate0$_parenthesize$2(condition.left, t1) + " " + t1.toString$0(0) + " " + _this._evaluate0$_parenthesize$2(condition.right, t1);
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsNegation0) {
  	          t1 = "not " + _this._evaluate0$_parenthesize$1(condition.condition);
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsInterpolation0) {
  	          t1 = condition.expression;
  	          t1 = _this._evaluate0$_serialize$3$quote(t1.accept$1(_this), t1, false);
  	          break $label0$0;
  	        }
  	        t1 = {};
  	        t1.declaration = null;
  	        if (condition instanceof A.SupportsDeclaration0) {
  	          t1.declaration = condition;
  	          t1 = _this._evaluate0$_withSupportsDeclaration$1(new A._EvaluateVisitor__visitSupportsCondition_closure1(t1, _this));
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsFunction0) {
  	          t1 = _this._evaluate0$_performInterpolation$1(condition.name) + "(" + _this._evaluate0$_performInterpolation$1(condition.$arguments) + ")";
  	          break $label0$0;
  	        }
  	        if (condition instanceof A.SupportsAnything0) {
  	          t1 = "(" + _this._evaluate0$_performInterpolation$1(condition.contents) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$("Unknown supports condition type " + A.getRuntimeTypeOfDartObject(condition).toString$0(0) + ".", null));
  	      }
  	      return t1;
  	    },
  	    _evaluate0$_withSupportsDeclaration$1$1(callback) {
  	      var t1,
  	        oldInSupportsDeclaration = this._evaluate0$_inSupportsDeclaration;
  	      this._evaluate0$_inSupportsDeclaration = true;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        this._evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	      }
  	    },
  	    _evaluate0$_withSupportsDeclaration$1(callback) {
  	      return this._evaluate0$_withSupportsDeclaration$1$1(callback, type$.dynamic);
  	    },
  	    _evaluate0$_parenthesize$2(condition, operator) {
  	      var t1;
  	      if (!(condition instanceof A.SupportsNegation0))
  	        if (condition instanceof A.SupportsOperation0)
  	          t1 = operator == null || operator !== condition.operator;
  	        else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      if (t1)
  	        return "(" + this._evaluate0$_visitSupportsCondition$1(condition) + ")";
  	      return this._evaluate0$_visitSupportsCondition$1(condition);
  	    },
  	    _evaluate0$_parenthesize$1(condition) {
  	      return this._evaluate0$_parenthesize$2(condition, null);
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      var t1, t2, _0_0, value, _this = this, _null = null;
  	      if (node.isGuarded) {
  	        if (node.namespace == null && _this._evaluate0$_environment._environment0$_variables.length === 1) {
  	          t1 = node.name;
  	          _this._evaluate0$_environment._environment0$_configurableVariables.add$1(0, t1);
  	          t2 = _this._evaluate0$_configuration._configuration0$_values;
  	          _0_0 = t2.get$isEmpty(t2) ? _null : t2.remove$1(0, t1);
  	          t1 = {};
  	          t1.override = null;
  	          if (_0_0 != null) {
  	            t1.override = _0_0;
  	            t2 = !_0_0.value.$eq(0, B.C__SassNull0);
  	          } else
  	            t2 = false;
  	          if (t2) {
  	            _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure5(t1, _this, node));
  	            return _null;
  	          }
  	        }
  	        value = _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure6(_this, node));
  	        if (value != null && !value.$eq(0, B.C__SassNull0))
  	          return _null;
  	      }
  	      if (node.isGlobal && !_this._evaluate0$_environment.globalVariableExists$1(node.name)) {
  	        t1 = _this._evaluate0$_environment._environment0$_variables.length === 1 ? string$.As_of_S : string$.As_of_R + A.declarationName0(node.span) + ": null` at the stylesheet root.";
  	        _this._evaluate0$_warn$3(t1, node.span, B.Deprecation_pwd);
  	      }
  	      t1 = node.expression;
  	      _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableDeclaration_closure7(_this, node, _this._evaluate0$_withoutSlash$2(t1.accept$1(_this), t1)));
  	      return _null;
  	    },
  	    visitUseRule$1(_, node) {
  	      var values, _i, variable, t3, variableNodeWithSpan, configuration, _this = this,
  	        t1 = node.configuration,
  	        t2 = t1.length;
  	      if (t2 !== 0) {
  	        values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue_2);
  	        for (_i = 0; _i < t2; ++_i) {
  	          variable = t1[_i];
  	          t3 = variable.expression;
  	          variableNodeWithSpan = _this._evaluate0$_expressionNode$1(t3);
  	          values.$indexSet(0, variable.name, new A.ConfiguredValue0(_this._evaluate0$_withoutSlash$2(t3.accept$1(_this), variableNodeWithSpan), variable.span, variableNodeWithSpan));
  	        }
  	        configuration = new A.ExplicitConfiguration0(node, values, null);
  	      } else
  	        configuration = B.Configuration_Map_empty_null0;
  	      _this._evaluate0$_loadModule$5$configuration(node.url, "@use", node, new A._EvaluateVisitor_visitUseRule_closure1(_this, node), configuration);
  	      _this._evaluate0$_assertConfigurationIsEmpty$1(configuration);
  	      return null;
  	    },
  	    visitWarnRule$1(_, node) {
  	      var _this = this,
  	        value = _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitWarnRule_closure1(_this, node)),
  	        t1 = value instanceof A.SassString0 ? value._string0$_text : _this._evaluate0$_serialize$2(value, node.expression),
  	        t2 = _this._evaluate0$_stackTrace$1(node.span);
  	      _this._evaluate0$_logger.internalWarn$4$deprecation$span$trace(t1, null, null, t2);
  	      return null;
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this._evaluate0$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitWhileRule_closure1(this, node), true, node.hasDeclarations, type$.nullable_Value_2);
  	    },
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, _this = this;
  	      if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, "_stylesheet").plainCss) {
  	        t1 = node.operator;
  	        t1 = t1 !== B.BinaryOperator_g6F0 && t1 !== B.BinaryOperator_ehp0;
  	      } else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(_this._evaluate0$_exception$2("Operators aren't allowed in plain CSS.", node.get$operatorSpan()));
  	      return _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitBinaryOperationExpression_closure1(_this, node));
  	    },
  	    _evaluate0$_slash$3(left, right, node) {
  	      var left0, _1_2,
  	        result = left.dividedBy$1(right),
  	        _1_2_isSet = left instanceof A.SassNumber0,
  	        right0 = null,
  	        t1 = false;
  	      if (_1_2_isSet) {
  	        if (right instanceof A.SassNumber0) {
  	          t1 = node.allowsSlash && this._evaluate0$_operandAllowsSlash$1(node.left) && this._evaluate0$_operandAllowsSlash$1(node.right);
  	          right0 = right;
  	        }
  	        left0 = left;
  	        _1_2 = right;
  	      } else {
  	        _1_2 = null;
  	        left0 = null;
  	      }
  	      if (t1)
  	        return type$.SassNumber_2._as(result).withSlash$2(left0, right0);
  	      if (left instanceof A.SassNumber0)
  	        t1 = (_1_2_isSet ? _1_2 : right) instanceof A.SassNumber0;
  	      else
  	        t1 = false;
  	      if (t1) {
  	        this._evaluate0$_warn$3(string$.Using__o + A.S(new A._EvaluateVisitor__slash_recommendation1().call$1(node)) + " or " + A.expressionToCalc0(node).toString$0(0) + string$.x0a_Morex20, node.get$span(0), B.Deprecation_v81);
  	        return result;
  	      }
  	      return result;
  	    },
  	    _evaluate0$_operandAllowsSlash$1(node) {
  	      var t1;
  	      if (node instanceof A.FunctionExpression0)
  	        if (node.namespace == null) {
  	          t1 = node.name;
  	          t1 = B.Set_Pr3yj.contains$1(0, t1.toLowerCase()) && this._evaluate0$_environment.getFunction$1(t1) == null;
  	        } else
  	          t1 = false;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return node.value;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      var result = this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitVariableExpression_closure1(this, node));
  	      if (result != null)
  	        return result;
  	      throw A.wrapException(this._evaluate0$_exception$2("Undefined variable.", node.span));
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitUnaryOperationExpression_closure1(node, node.operand.accept$1(this)));
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return node.value ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    visitIfExpression$1(_, node) {
  	      var t1, t2, t3, results, _i, t4, condition, expression, result, _1_2, _this = this;
  	      for (t1 = node.branches, t2 = t1.length, t3 = type$.JSArray_Record_2_String_and_Value_2, results = null, _i = 0; _i < t2; ++_i) {
  	        t4 = t1[_i];
  	        condition = t4._0;
  	        expression = t4._1;
  	        result = condition == null ? null : condition.accept$1(_this);
  	        if (result == null)
  	          result = true;
  	        t4 = typeof result == "string";
  	        condition = t4 ? result : null;
  	        if (t4) {
  	          if (results == null)
  	            results = A._setArrayType([], t3);
  	          results.push(new A._Record_2(condition, expression.accept$1(_this)));
  	          continue;
  	        }
  	        _1_2 = true === result;
  	        if (_1_2 && results != null) {
  	          results.push(new A._Record_2("else", expression.accept$1(_this)));
  	          continue;
  	        }
  	        if (_1_2)
  	          return expression.accept$1(_this);
  	      }
  	      if (results == null)
  	        return B.C__SassNull0;
  	      return new A.SassString0("if(" + new A.MappedListIterable(results, new A._EvaluateVisitor_visitIfExpression_closure1(), A._arrayInstanceType(results)._eval$1("MappedListIterable<1,String>")).join$1(0, "; ") + ")", false);
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      var t1,
  	        _0_0 = node.expression.accept$1(this);
  	      $label0$0: {
  	        if (typeof _0_0 == "string") {
  	          t1 = "(" + _0_0 + ")";
  	          break $label0$0;
  	        }
  	        t1 = _0_0;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      var t1,
  	        _0_0 = node.expression.accept$1(this);
  	      $label0$0: {
  	        if (typeof _0_0 == "string") {
  	          t1 = "not " + _0_0;
  	          break $label0$0;
  	        }
  	        if (A._isBool(_0_0)) {
  	          t1 = !_0_0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("unreachable"));
  	      }
  	      return t1;
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      var t1, t2, t3, t4, t5, t6, values, _i, expression, _0_0, t7, right, _1_6_isSet, _1_6, string;
  	      for (t1 = node.expressions, t2 = t1.length, t3 = node.op, t4 = t3 === B.BooleanOperator_00, t5 = t3 === B.BooleanOperator_10, t6 = type$.JSArray_Record_2_IfConditionExpression_and_String_2, values = null, _i = 0; _i < t2; ++_i) {
  	        expression = t1[_i];
  	        _0_0 = expression.accept$1(this);
  	        t7 = typeof _0_0 == "string";
  	        right = t7 ? _0_0 : null;
  	        if (t7) {
  	          if (values == null)
  	            values = A._setArrayType([], t6);
  	          values.push(new A._Record_2(expression, right));
  	          continue;
  	        }
  	        if (false === _0_0 && t4)
  	          return false;
  	        if (true === _0_0 && t5)
  	          return true;
  	      }
  	      $label0$1: {
  	        if (values == null) {
  	          t1 = t4;
  	          break $label0$1;
  	        }
  	        _1_6_isSet = values.length === 1;
  	        if (_1_6_isSet) {
  	          _1_6 = values[0];
  	          t1 = _1_6._0 instanceof A.IfConditionParenthesized0;
  	        } else {
  	          _1_6 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          string = (_1_6_isSet ? _1_6 : values[0])._1;
  	          t1 = B.JSString_methods.substring$2(string, 1, string.length - 1);
  	          break $label0$1;
  	        }
  	        t1 = new A.MappedListIterable(values, new A._EvaluateVisitor_visitIfConditionOperation_closure1(), A._arrayInstanceType(values)._eval$1("MappedListIterable<1,String>")).join$1(0, " " + t3.toString$0(0) + " ");
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return this._evaluate0$_performInterpolation$1(node.name) + "(" + this._evaluate0$_performInterpolation$1(node.$arguments) + ")";
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return node.expression.accept$1(this).get$isTruthy();
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return this._evaluate0$_performInterpolation$1(node.text);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      var condition, t1, ifTrue, ifFalse, result, _this = this,
  	        _0_0 = _this._evaluate0$_evaluateMacroArguments$1(node),
  	        positional = _0_0._0,
  	        named = _0_0._1;
  	      _this._evaluate0$_verifyArguments$4(positional.length, named, $.$get$LegacyIfExpression_declaration0(), node);
  	      condition = A.ListExtensions_elementAtOrNull(positional, 0);
  	      if (condition == null) {
  	        t1 = named.$index(0, "condition");
  	        t1.toString;
  	        condition = t1;
  	      }
  	      ifTrue = A.ListExtensions_elementAtOrNull(positional, 1);
  	      if (ifTrue == null) {
  	        t1 = named.$index(0, "if-true");
  	        t1.toString;
  	        ifTrue = t1;
  	      }
  	      ifFalse = A.ListExtensions_elementAtOrNull(positional, 2);
  	      if (ifFalse == null) {
  	        t1 = named.$index(0, "if-false");
  	        t1.toString;
  	        ifFalse = t1;
  	      }
  	      result = condition.accept$1(_this).get$isTruthy() ? ifTrue : ifFalse;
  	      return _this._evaluate0$_withoutSlash$2(result.accept$1(_this), _this._evaluate0$_expressionNode$1(result));
  	    },
  	    visitNullExpression$1(_, node) {
  	      return B.C__SassNull0;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return A.SassNumber_SassNumber0(node.value, node.unit);
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      var _this = this;
  	      return _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, "_stylesheet").plainCss ? A.throwExpression(_this._evaluate0$_exception$2("Parentheses aren't allowed in plain CSS.", node.span)) : node.expression.accept$1(_this);
  	    },
  	    visitColorExpression$1(_, node) {
  	      return node.value;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return A.SassList$0(new A.MappedListIterable(t1, new A._EvaluateVisitor_visitListExpression_closure1(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value0>")), node.separator, node.hasBrackets);
  	    },
  	    visitMapExpression$1(_, node) {
  	      var t2, t3, _i, t4, key, keyValue, valueValue, oldValueSpan,
  	        t1 = type$.Value_2,
  	        map = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1),
  	        keyNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.AstNode_2);
  	      for (t2 = node.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        key = t4._0;
  	        keyValue = key.accept$1(this);
  	        valueValue = t4._1.accept$1(this);
  	        if (map.containsKey$1(keyValue)) {
  	          t1 = keyNodes.$index(0, keyValue);
  	          oldValueSpan = t1 == null ? null : t1.get$span(t1);
  	          t1 = key.get$span(key);
  	          t2 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (oldValueSpan != null)
  	            t2.$indexSet(0, oldValueSpan, "first key");
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$0("Duplicate key.", t1, "second key", t2, this._evaluate0$_stackTrace$1(key.get$span(key)), null));
  	        }
  	        map.$indexSet(0, keyValue, valueValue);
  	        keyNodes.$indexSet(0, keyValue, key);
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(map, t1, t1));
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      var t2, _0_0, t3, t4, $name, oldInFunction, result, _this = this,
  	        _s11_ = "_stylesheet",
  	        t1 = {},
  	        $function = _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss ? null : _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure5(_this, node));
  	      t1.$function = $function;
  	      if ($function == null || B.JSString_methods.startsWith$1(node.originalName, "--")) {
  	        if (node.namespace != null)
  	          throw A.wrapException(_this._evaluate0$_exception$2("Undefined function.", node.span));
  	        t2 = node.name;
  	        _0_0 = t2.toLowerCase();
  	        t3 = false;
  	        if ("min" === _0_0 || "max" === _0_0 || "round" === _0_0 || "abs" === _0_0) {
  	          t3 = node.$arguments;
  	          t4 = t3.named;
  	          t3 = t4.get$isEmpty(t4) && t3.rest == null && B.JSArray_methods.every$1(t3.positional, new A._EvaluateVisitor_visitFunctionExpression_closure6());
  	          $name = _0_0;
  	        } else
  	          $name = null;
  	        if (t3)
  	          return _this._evaluate0$_visitCalculation$2$inLegacySassFunction(node, $name);
  	        if ("calc" === _0_0 || "clamp" === _0_0 || "hypot" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "sqrt" === _0_0 || "exp" === _0_0 || "sign" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "atan2" === _0_0 || "pow" === _0_0 || "log" === _0_0 || "calc-size" === _0_0)
  	          return _this._evaluate0$_visitCalculation$1(node);
  	        $function = _this._evaluate0$_assertInModule$2(_this._evaluate0$__stylesheet, _s11_).plainCss ? null : _this._evaluate0$_builtInFunctions.$index(0, t2);
  	        t1.$function = $function == null ? new A.PlainCssCallable0(node.originalName) : $function;
  	      }
  	      oldInFunction = _this._evaluate0$_inFunction;
  	      _this._evaluate0$_inFunction = true;
  	      result = _this._evaluate0$_addErrorSpan$2(node, new A._EvaluateVisitor_visitFunctionExpression_closure7(t1, _this, node));
  	      _this._evaluate0$_inFunction = oldInFunction;
  	      return result;
  	    },
  	    _evaluate0$_visitCalculation$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      var $arguments, oldCallableNode, t1, _0_0, error, stackTrace, t4, _i, _this = this,
  	        t2 = node.$arguments,
  	        t3 = t2.named;
  	      if (t3.get$isNotEmpty(t3))
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Keywor, node.span));
  	      else if (t2.rest != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Rest_a, node.span));
  	      _this._evaluate0$_checkCalculationArguments$1(node);
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      for (t2 = t2.positional, t4 = t2.length, _i = 0; _i < t4; ++_i)
  	        t3.push(_this._evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction));
  	      $arguments = t3;
  	      if (_this._evaluate0$_inSupportsDeclaration)
  	        return new A.SassCalculation0(node.name, A.List_List$unmodifiable($arguments, type$.Object));
  	      oldCallableNode = _this._evaluate0$_callableNode;
  	      _this._evaluate0$_callableNode = node;
  	      try {
  	        t1 = null;
  	        t3 = node.name;
  	        _0_0 = t3.toLowerCase();
  	        $label0$0: {
  	          if ("calc" === _0_0) {
  	            t1 = A.SassCalculation_calc0(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("sqrt" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("sqrt", J.$index$asx($arguments, 0), A.number2__sqrt$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("sin" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("sin", J.$index$asx($arguments, 0), A.number2__sin$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("cos" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("cos", J.$index$asx($arguments, 0), A.number2__cos$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("tan" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("tan", J.$index$asx($arguments, 0), A.number2__tan$closure(), false);
  	            break $label0$0;
  	          }
  	          if ("asin" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("asin", J.$index$asx($arguments, 0), A.number2__asin$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("acos" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("acos", J.$index$asx($arguments, 0), A.number2__acos$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("atan" === _0_0) {
  	            t1 = A.SassCalculation__singleArgument0("atan", J.$index$asx($arguments, 0), A.number2__atan$closure(), true);
  	            break $label0$0;
  	          }
  	          if ("abs" === _0_0) {
  	            t1 = A.SassCalculation_abs0(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("exp" === _0_0) {
  	            t1 = A.SassCalculation_exp0(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("sign" === _0_0) {
  	            t1 = A.SassCalculation_sign0(J.$index$asx($arguments, 0));
  	            break $label0$0;
  	          }
  	          if ("min" === _0_0) {
  	            t1 = A.SassCalculation_min0($arguments);
  	            break $label0$0;
  	          }
  	          if ("max" === _0_0) {
  	            t1 = A.SassCalculation_max0($arguments);
  	            break $label0$0;
  	          }
  	          if ("hypot" === _0_0) {
  	            t1 = A.SassCalculation_hypot0($arguments);
  	            break $label0$0;
  	          }
  	          if ("pow" === _0_0) {
  	            t1 = A.SassCalculation_pow0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("atan2" === _0_0) {
  	            t1 = A.SassCalculation_atan20(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("log" === _0_0) {
  	            t1 = A.SassCalculation_log0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("mod" === _0_0) {
  	            t1 = A.SassCalculation_mod0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("rem" === _0_0) {
  	            t1 = A.SassCalculation_rem0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          if ("round" === _0_0) {
  	            t1 = A.SassCalculation_roundInternal0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2), inLegacySassFunction, node.span, new A._EvaluateVisitor__visitCalculation_closure1(_this, node));
  	            break $label0$0;
  	          }
  	          if ("clamp" === _0_0) {
  	            t1 = A.SassCalculation_clamp0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1), A.ListExtensions_elementAtOrNull($arguments, 2));
  	            break $label0$0;
  	          }
  	          if ("calc-size" === _0_0) {
  	            t1 = A.SassCalculation_calcSize0(J.$index$asx($arguments, 0), A.ListExtensions_elementAtOrNull($arguments, 1));
  	            break $label0$0;
  	          }
  	          t3 = A.UnsupportedError$('Unknown calculation name "' + t3 + '".');
  	          t1 = A.throwExpression(t3);
  	        }
  	        t1 = t1;
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          if (B.JSString_methods.contains$1(error.message, "compatible"))
  	            _this._evaluate0$_verifyCompatibleNumbers$2($arguments, t2);
  	          A.throwWithTrace0(_this._evaluate0$_exception$2(error.message, node.span), error, stackTrace);
  	        } else
  	          throw exception;
  	      } finally {
  	        _this._evaluate0$_callableNode = oldCallableNode;
  	      }
  	    },
  	    _evaluate0$_visitCalculation$1(node) {
  	      return this._evaluate0$_visitCalculation$2$inLegacySassFunction(node, null);
  	    },
  	    _evaluate0$_checkCalculationArguments$1(node) {
  	      var t1, _0_0,
  	        check = new A._EvaluateVisitor__checkCalculationArguments_check1(this, node);
  	      $label0$0: {
  	        t1 = node.name;
  	        _0_0 = t1.toLowerCase();
  	        if ("calc" === _0_0 || "sqrt" === _0_0 || "sin" === _0_0 || "cos" === _0_0 || "tan" === _0_0 || "asin" === _0_0 || "acos" === _0_0 || "atan" === _0_0 || "abs" === _0_0 || "exp" === _0_0 || "sign" === _0_0) {
  	          check.call$1(1);
  	          break $label0$0;
  	        }
  	        if ("min" === _0_0 || "max" === _0_0 || "hypot" === _0_0) {
  	          check.call$0();
  	          break $label0$0;
  	        }
  	        if ("pow" === _0_0 || "atan2" === _0_0 || "log" === _0_0 || "mod" === _0_0 || "rem" === _0_0 || "calc-size" === _0_0) {
  	          check.call$1(2);
  	          break $label0$0;
  	        }
  	        if ("round" === _0_0 || "clamp" === _0_0) {
  	          check.call$1(3);
  	          break $label0$0;
  	        }
  	        throw A.wrapException(A.UnsupportedError$('Unknown calculation name "' + t1 + '".'));
  	      }
  	    },
  	    _evaluate0$_verifyCompatibleNumbers$2(args, nodesWithSpans) {
  	      var i, t1, _0_0, arg, t2, number1, j, number2, t3, t4, t5, t6;
  	      for (i = 0; t1 = args.length, i < t1; ++i) {
  	        _0_0 = args[i];
  	        if (_0_0 instanceof A.SassNumber0) {
  	          t1 = _0_0.get$hasComplexUnits();
  	          arg = _0_0;
  	        } else {
  	          arg = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          t1 = A.S(arg);
  	          t2 = nodesWithSpans[i];
  	          throw A.wrapException(this._evaluate0$_exception$2("Number " + t1 + " isn't compatible with CSS calculations.", t2.get$span(t2)));
  	        }
  	      }
  	      for (i = 0; i < t1 - 1; ++i) {
  	        number1 = args[i];
  	        if (!(number1 instanceof A.SassNumber0))
  	          continue;
  	        for (j = i + 1; t1 = args.length, j < t1; ++j) {
  	          number2 = args[j];
  	          if (!(number2 instanceof A.SassNumber0))
  	            continue;
  	          if (number1.hasPossiblyCompatibleUnits$1(number2))
  	            continue;
  	          t1 = number1.toString$0(0);
  	          t2 = number2.toString$0(0);
  	          t3 = nodesWithSpans[i];
  	          t3 = t3.get$span(t3);
  	          t4 = number1.toString$0(0);
  	          t5 = nodesWithSpans[j];
  	          t5 = A.LinkedHashMap_LinkedHashMap$_literal([t5.get$span(t5), number2.toString$0(0)], type$.FileSpan, type$.String);
  	          t6 = nodesWithSpans[i];
  	          throw A.wrapException(A.MultiSpanSassRuntimeException$0(t1 + " and " + t2 + " are incompatible.", t3, t4, t5, this._evaluate0$_stackTrace$1(t6.get$span(t6)), null));
  	        }
  	      }
  	    },
  	    _evaluate0$_visitCalculationExpression$2$inLegacySassFunction(node, inLegacySassFunction) {
  	      var result, t2, _0_0, _box_0, _1_0, t3, _i, i, _this = this, _null = null,
  	        t1 = node instanceof A.ParenthesizedExpression0,
  	        inner = t1 ? node.expression : _null;
  	      if (t1) {
  	        result = _this._evaluate0$_visitCalculationExpression$2$inLegacySassFunction(inner, inLegacySassFunction);
  	        return result instanceof A.SassString0 ? new A.SassString0("(" + result._string0$_text + ")", false) : result;
  	      }
  	      if (node instanceof A.StringExpression0 && node.accept$1(B.C_IsCalculationSafeVisitor0)) {
  	        t1 = node.text;
  	        t2 = t1.get$asPlain();
  	        _0_0 = t2 == null ? _null : t2.toLowerCase();
  	        $label0$0: {
  	          if ("pi" === _0_0) {
  	            t1 = A.SassNumber_SassNumber0(3.141592653589793, _null);
  	            break $label0$0;
  	          }
  	          if ("e" === _0_0) {
  	            t1 = A.SassNumber_SassNumber0(2.718281828459045, _null);
  	            break $label0$0;
  	          }
  	          if ("infinity" === _0_0) {
  	            t1 = A.SassNumber_SassNumber0(1 / 0, _null);
  	            break $label0$0;
  	          }
  	          if ("-infinity" === _0_0) {
  	            t1 = A.SassNumber_SassNumber0(-1 / 0, _null);
  	            break $label0$0;
  	          }
  	          if ("nan" === _0_0) {
  	            t1 = A.SassNumber_SassNumber0(0 / 0, _null);
  	            break $label0$0;
  	          }
  	          t1 = new A.SassString0(_this._evaluate0$_performInterpolation$1(t1), false);
  	          break $label0$0;
  	        }
  	        return t1;
  	      }
  	      _box_0 = {};
  	      _box_0.right = _box_0.left = _box_0.operator = null;
  	      t1 = node instanceof A.BinaryOperationExpression0;
  	      if (t1) {
  	        _box_0.operator = node.operator;
  	        _box_0.left = node.left;
  	        _box_0.right = node.right;
  	      }
  	      if (t1) {
  	        _this._evaluate0$_checkWhitespaceAroundCalculationOperator$1(node);
  	        return _this._evaluate0$_addExceptionSpan$2(node, new A._EvaluateVisitor__visitCalculationExpression_closure1(_box_0, _this, node, inLegacySassFunction));
  	      }
  	      if (node instanceof A.NumberExpression0 || node instanceof A.VariableExpression0 || node instanceof A.FunctionExpression0 || node instanceof A.LegacyIfExpression0) {
  	        _1_0 = node.accept$1(_this);
  	        $label1$1: {
  	          if (_1_0 instanceof A.SassNumber0) {
  	            t1 = _1_0;
  	            break $label1$1;
  	          }
  	          if (_1_0 instanceof A.SassCalculation0) {
  	            t1 = _1_0;
  	            break $label1$1;
  	          }
  	          if (_1_0 instanceof A.SassString0) {
  	            t1 = !_1_0._string0$_hasQuotes;
  	            result = _1_0;
  	          } else {
  	            result = _null;
  	            t1 = false;
  	          }
  	          if (t1) {
  	            t1 = result;
  	            break $label1$1;
  	          }
  	          t1 = A.throwExpression(_this._evaluate0$_exception$2("Value " + _1_0.toString$0(0) + " can't be used in a calculation.", node.get$span(node)));
  	        }
  	        return t1;
  	      }
  	      if (node instanceof A.ListExpression0 && !node.hasBrackets && B.ListSeparator_SrV0 === node.separator && node.contents.length >= 2) {
  	        t1 = A._setArrayType([], type$.JSArray_Object);
  	        for (t2 = node.contents, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t1.push(_this._evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2[_i], inLegacySassFunction));
  	        _this._evaluate0$_checkAdjacentCalculationValues$2(t1, node);
  	        for (i = 0; i < t1.length; ++i) {
  	          t3 = t1[i];
  	          if (t3 instanceof A.CalculationOperation0 && t2[i] instanceof A.ParenthesizedExpression0)
  	            t1[i] = new A.SassString0("(" + t3.toString$0(0) + ")", false);
  	        }
  	        return new A.SassString0(B.JSArray_methods.join$1(t1, " "), false);
  	      }
  	      throw A.wrapException(_this._evaluate0$_exception$2(string$.This_e, node.get$span(node)));
  	    },
  	    _evaluate0$_checkWhitespaceAroundCalculationOperator$1(node) {
  	      var t2, t3, t4, textBetweenOperands, first, last,
  	        t1 = node.operator;
  	      if (t1 !== B.BinaryOperator_jCK0 && t1 !== B.BinaryOperator_tDf0)
  	        return;
  	      t1 = node.left;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t3 = node.right;
  	      t4 = t3.get$span(t3);
  	      if (t2 !== t4.get$file(t4))
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$end(t2);
  	      t4 = t3.get$span(t3);
  	      if (t2.offset >= t4.get$start(t4).offset)
  	        return;
  	      t2 = t1.get$span(t1);
  	      t2 = t2.get$file(t2);
  	      t1 = t1.get$span(t1);
  	      t1 = t1.get$end(t1);
  	      t3 = t3.get$span(t3);
  	      textBetweenOperands = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2._decodedChars, t1.offset, t3.get$start(t3).offset), 0, null);
  	      first = textBetweenOperands.charCodeAt(0);
  	      last = textBetweenOperands.charCodeAt(textBetweenOperands.length - 1);
  	      if (first === 32 || first === 9 || first === 10 || first === 13 || first === 12 || first === 47)
  	        t1 = !(last === 32 || last === 9 || last === 10 || last === 13 || last === 12 || last === 47);
  	      else
  	        t1 = true;
  	      if (t1)
  	        throw A.wrapException(this._evaluate0$_exception$2(string$.x22x2b__an, node.get$operatorSpan()));
  	    },
  	    _evaluate0$_binaryOperatorToCalculationOperator$2(operator, node) {
  	      var t1;
  	      $label0$0: {
  	        if (B.BinaryOperator_jCK0 === operator) {
  	          t1 = B.CalculationOperator_dpX0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_tDf0 === operator) {
  	          t1 = B.CalculationOperator_KrC0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_wkM0 === operator) {
  	          t1 = B.CalculationOperator_LPB0;
  	          break $label0$0;
  	        }
  	        if (B.BinaryOperator_ehp0 === operator) {
  	          t1 = B.CalculationOperator_wFL0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(this._evaluate0$_exception$2(string$.This_o, node.get$operatorSpan()));
  	      }
  	      return t1;
  	    },
  	    _evaluate0$_checkAdjacentCalculationValues$2(elements, node) {
  	      var t1, i, t2, previous, current, previousNode, currentNode, _0_2;
  	      for (t1 = elements.length, i = 1; i < t1; ++i) {
  	        t2 = i - 1;
  	        previous = elements[t2];
  	        current = elements[i];
  	        if (previous instanceof A.SassString0 || current instanceof A.SassString0)
  	          continue;
  	        t1 = node.contents;
  	        previousNode = t1[t2];
  	        currentNode = t1[i];
  	        if (currentNode instanceof A.UnaryOperationExpression0) {
  	          _0_2 = currentNode.operator;
  	          if (B.UnaryOperator_hCO0 !== _0_2)
  	            t1 = B.UnaryOperator_n2K0 === _0_2;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (!t1)
  	          t1 = currentNode instanceof A.NumberExpression0 && currentNode.value < 0;
  	        else
  	          t1 = true;
  	        if (t1)
  	          throw A.wrapException(this._evaluate0$_exception$2(string$.x22x2b__an, A.FileSpanExtension_subspan(currentNode.get$span(currentNode), 0, 1)));
  	        else
  	          throw A.wrapException(this._evaluate0$_exception$2("Missing math operator.", previousNode.get$span(previousNode).expand$1(0, currentNode.get$span(currentNode))));
  	      }
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      var result, _this = this,
  	        t1 = _this._evaluate0$_performInterpolation$1(node.name),
  	        oldInFunction = _this._evaluate0$_inFunction;
  	      _this._evaluate0$_inFunction = true;
  	      result = _this._evaluate0$_addErrorSpan$2(node, new A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure1(_this, node, new A.PlainCssCallable0(t1)));
  	      _this._evaluate0$_inFunction = oldInFunction;
  	      return result;
  	    },
  	    _evaluate0$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, run, $V) {
  	      var oldInDependency, result, _this = this,
  	        evaluated = _this._evaluate0$_evaluateArguments$1($arguments),
  	        $name = callable.declaration.name;
  	      if ($name !== "@content")
  	        $name += "()";
  	      oldInDependency = _this._evaluate0$_inDependency;
  	      _this._evaluate0$_inDependency = callable.inDependency;
  	      result = _this._evaluate0$_withStackFrame$3($name, nodeWithSpan, new A._EvaluateVisitor__runUserDefinedCallable_closure1(_this, callable, evaluated, nodeWithSpan, run, $V));
  	      _this._evaluate0$_inDependency = oldInDependency;
  	      return result;
  	    },
  	    _evaluate0$_runFunctionCallable$3($arguments, callable, nodeWithSpan) {
  	      var buffer, first, argument, restArg, rest, error, t1, t2, _i, t3, t4, _this = this;
  	      if (callable instanceof A.BuiltInCallable0)
  	        return _this._evaluate0$_withoutSlash$2(_this._evaluate0$_runBuiltInCallable$3($arguments, callable, nodeWithSpan), nodeWithSpan);
  	      else if (type$.UserDefinedCallable_Environment_2._is(callable))
  	        return _this._evaluate0$_runUserDefinedCallable$1$4($arguments, callable, nodeWithSpan, new A._EvaluateVisitor__runFunctionCallable_closure1(_this, callable), type$.Value_2);
  	      else if (callable instanceof A.PlainCssCallable0) {
  	        t1 = $arguments.named;
  	        if (t1.get$isNotEmpty(t1) || $arguments.keywordRest != null)
  	          throw A.wrapException(_this._evaluate0$_exception$2(string$.Plain_, nodeWithSpan.get$span(nodeWithSpan)));
  	        buffer = new A.StringBuffer(callable.name + "(");
  	        try {
  	          first = true;
  	          for (t1 = $arguments.positional, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	            argument = t1[_i];
  	            if (first)
  	              first = false;
  	            else
  	              buffer._contents += ", ";
  	            t3 = buffer;
  	            t4 = argument;
  	            t4 = _this._evaluate0$_serialize$3$quote(t4.accept$1(_this), t4, true);
  	            t3._contents += t4;
  	          }
  	          restArg = $arguments.rest;
  	          if (restArg != null) {
  	            rest = restArg.accept$1(_this);
  	            if (!first)
  	              buffer._contents += ", ";
  	            t1 = buffer;
  	            t2 = _this._evaluate0$_serialize$2(rest, restArg);
  	            t1._contents += t2;
  	          }
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.SassRuntimeException_2._is(t1)) {
  	            error = t1;
  	            if (!B.JSString_methods.endsWith$1(error._span_exception$_message, "isn't a valid CSS value."))
  	              throw exception;
  	            throw A.wrapException(A.MultiSpanSassRuntimeException$0(error._span_exception$_message, J.get$span$x(error), "value", A.LinkedHashMap_LinkedHashMap$_literal([nodeWithSpan.get$span(nodeWithSpan), "unknown function treated as plain CSS"], type$.FileSpan, type$.String), J.get$trace$z(error), null));
  	          } else
  	            throw exception;
  	        }
  	        t1 = buffer;
  	        t2 = A.Primitives_stringFromCharCode(41);
  	        t1._contents += t2;
  	        t2 = buffer._contents;
  	        return new A.SassString0(t2.charCodeAt(0) == 0 ? t2 : t2, false);
  	      } else
  	        throw A.wrapException(A.ArgumentError$("Unknown callable type " + J.get$runtimeType$(callable).toString$0(0) + ".", null));
  	    },
  	    _evaluate0$_runBuiltInCallable$3($arguments, callable, nodeWithSpan) {
  	      var result, error, stackTrace, namedSet, _0_0, parameters, i, t1, parameter, t2, t3, rest, argumentList, _this = this, _box_0 = {},
  	        evaluated = _this._evaluate0$_evaluateArguments$1($arguments),
  	        oldCallableNode = _this._evaluate0$_callableNode;
  	      _this._evaluate0$_callableNode = nodeWithSpan;
  	      namedSet = new A.MapKeySet(evaluated._values[0], type$.MapKeySet_String);
  	      _box_0.callback = _box_0.overload = null;
  	      _0_0 = callable.callbackFor$2(evaluated._values[2].length, namedSet);
  	      _box_0.overload = _0_0._0;
  	      _box_0.callback = _0_0._1;
  	      _this._evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure5(_box_0, evaluated, namedSet));
  	      parameters = _box_0.overload.parameters;
  	      for (i = evaluated._values[2].length, t1 = parameters.length; i < t1; ++i) {
  	        parameter = parameters[i];
  	        t2 = evaluated._values[2];
  	        t3 = evaluated._values[0].remove$1(0, parameter.name);
  	        if (t3 == null) {
  	          t3 = parameter.defaultValue;
  	          t3 = _this._evaluate0$_withoutSlash$2(t3.accept$1(_this), t3);
  	        }
  	        t2.push(t3);
  	      }
  	      if (_box_0.overload.restParameter != null) {
  	        if (evaluated._values[2].length > t1) {
  	          rest = B.JSArray_methods.sublist$1(evaluated._values[2], t1);
  	          B.JSArray_methods.removeRange$2(evaluated._values[2], t1, evaluated._values[2].length);
  	        } else
  	          rest = B.List_empty23;
  	        t1 = evaluated._values[0];
  	        argumentList = A.SassArgumentList$0(rest, t1, evaluated._values[4] === B.ListSeparator_undecided_null_3_undecided0 ? B.ListSeparator_z0K0 : evaluated._values[4]);
  	        evaluated._values[2].push(argumentList);
  	      } else
  	        argumentList = null;
  	      result = null;
  	      try {
  	        result = _this._evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__runBuiltInCallable_closure6(_box_0, evaluated));
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0)
  	          throw exception;
  	        else {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace0(_this._evaluate0$_exception$2(_this._evaluate0$_getErrorMessage$1(error), nodeWithSpan.get$span(nodeWithSpan)), error, stackTrace);
  	        }
  	      }
  	      _this._evaluate0$_callableNode = oldCallableNode;
  	      if (argumentList == null)
  	        return result;
  	      if (evaluated._values[0].__js_helper$_length === 0)
  	        return result;
  	      if (argumentList._argument_list$_wereKeywordsAccessed)
  	        return result;
  	      throw A.wrapException(A.MultiSpanSassRuntimeException$0("No " + A.pluralize0("parameter", evaluated._values[0].get$keys(0).get$length(0), null) + " named " + A.toSentence0(evaluated._values[0].get$keys(0).map$1$1(0, new A._EvaluateVisitor__runBuiltInCallable_closure7(), type$.Object), "or") + ".", nodeWithSpan.get$span(nodeWithSpan), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([_box_0.overload.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), _this._evaluate0$_stackTrace$1(nodeWithSpan.get$span(nodeWithSpan)), null));
  	    },
  	    _evaluate0$_evaluateArguments$1($arguments) {
  	      var t1, t2, _i, expression, nodeForSpan, named, namedNodes, t3, t4, $name, value, restArgs, rest, restNodeForSpan, t5, separator, keywordRestArgs, keywordRest, keywordRestNodeForSpan, _this = this,
  	        positional = A._setArrayType([], type$.JSArray_Value_2),
  	        positionalNodes = A._setArrayType([], type$.JSArray_AstNode_2);
  	      for (t1 = $arguments.positional, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        expression = t1[_i];
  	        nodeForSpan = _this._evaluate0$_expressionNode$1(expression);
  	        positional.push(_this._evaluate0$_withoutSlash$2(expression.accept$1(_this), nodeForSpan));
  	        positionalNodes.push(nodeForSpan);
  	      }
  	      t1 = type$.String;
  	      named = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Value_2);
  	      t2 = type$.AstNode_2;
  	      namedNodes = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      for (t3 = A.MapExtensions_get_pairs0($arguments.named, t1, type$.Expression_2), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        $name = t4._0;
  	        value = t4._1;
  	        nodeForSpan = _this._evaluate0$_expressionNode$1(value);
  	        named.$indexSet(0, $name, _this._evaluate0$_withoutSlash$2(value.accept$1(_this), nodeForSpan));
  	        namedNodes.$indexSet(0, $name, nodeForSpan);
  	      }
  	      restArgs = $arguments.rest;
  	      if (restArgs == null)
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, B.ListSeparator_undecided_null_3_undecided0]);
  	      rest = restArgs.accept$1(_this);
  	      restNodeForSpan = _this._evaluate0$_expressionNode$1(restArgs);
  	      if (rest instanceof A.SassMap0) {
  	        _this._evaluate0$_addRestMap$4(named, rest, restArgs, new A._EvaluateVisitor__evaluateArguments_closure7());
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t4 = rest._map0$_contents, t4 = t4.get$keys(t4), t4 = t4.get$iterator(t4), t5 = type$.SassString_2; t4.moveNext$0();)
  	          t3.$indexSet(0, t5._as(t4.get$current(t4))._string0$_text, restNodeForSpan);
  	        namedNodes.addAll$1(0, t3);
  	        separator = B.ListSeparator_undecided_null_3_undecided0;
  	      } else if (rest instanceof A.SassList0) {
  	        t3 = rest._list1$_contents;
  	        B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t3, new A._EvaluateVisitor__evaluateArguments_closure8(_this, restNodeForSpan), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,Value0>")));
  	        B.JSArray_methods.addAll$1(positionalNodes, A.List_List$filled(t3.length, restNodeForSpan, false, t2));
  	        separator = rest._list1$_separator;
  	        if (rest instanceof A.SassArgumentList0) {
  	          rest._argument_list$_wereKeywordsAccessed = true;
  	          rest._argument_list$_keywords.forEach$1(0, new A._EvaluateVisitor__evaluateArguments_closure9(_this, named, restNodeForSpan, namedNodes));
  	        }
  	      } else {
  	        positional.push(_this._evaluate0$_withoutSlash$2(rest, restNodeForSpan));
  	        positionalNodes.push(restNodeForSpan);
  	        separator = B.ListSeparator_undecided_null_3_undecided0;
  	      }
  	      keywordRestArgs = $arguments.keywordRest;
  	      if (keywordRestArgs == null)
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	      keywordRest = keywordRestArgs.accept$1(_this);
  	      keywordRestNodeForSpan = _this._evaluate0$_expressionNode$1(keywordRestArgs);
  	      if (keywordRest instanceof A.SassMap0) {
  	        _this._evaluate0$_addRestMap$4(named, keywordRest, keywordRestArgs, new A._EvaluateVisitor__evaluateArguments_closure10());
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	        for (t2 = keywordRest._map0$_contents, t2 = t2.get$keys(t2), t2 = t2.get$iterator(t2), t3 = type$.SassString_2; t2.moveNext$0();)
  	          t1.$indexSet(0, t3._as(t2.get$current(t2))._string0$_text, keywordRestNodeForSpan);
  	        namedNodes.addAll$1(0, t1);
  	        return new A._Record_5_named_namedNodes_positional_positionalNodes_separator([named, namedNodes, positional, positionalNodes, separator]);
  	      } else
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs.get$span(keywordRestArgs)));
  	    },
  	    _evaluate0$_evaluateMacroArguments$1(invocation) {
  	      var t2, positional, named, rest, restNodeForSpan, keywordRestArgs_, keywordRest, keywordRestNodeForSpan, _this = this,
  	        t1 = invocation.$arguments,
  	        restArgs_ = t1.rest;
  	      if (restArgs_ == null)
  	        return new A._Record_2(t1.positional, t1.named);
  	      t2 = t1.positional;
  	      positional = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	      named = A.LinkedHashMap_LinkedHashMap$of(t1.named, type$.String, type$.Expression_2);
  	      rest = restArgs_.accept$1(_this);
  	      restNodeForSpan = _this._evaluate0$_expressionNode$1(restArgs_);
  	      if (rest instanceof A.SassMap0)
  	        _this._evaluate0$_addRestMap$4(named, rest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure7(restArgs_));
  	      else if (rest instanceof A.SassList0) {
  	        t2 = rest._list1$_contents;
  	        B.JSArray_methods.addAll$1(positional, new A.MappedListIterable(t2, new A._EvaluateVisitor__evaluateMacroArguments_closure8(_this, restNodeForSpan, restArgs_), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Expression0>")));
  	        if (rest instanceof A.SassArgumentList0) {
  	          rest._argument_list$_wereKeywordsAccessed = true;
  	          rest._argument_list$_keywords.forEach$1(0, new A._EvaluateVisitor__evaluateMacroArguments_closure9(_this, named, restNodeForSpan, restArgs_));
  	        }
  	      } else
  	        positional.push(new A.ValueExpression0(_this._evaluate0$_withoutSlash$2(rest, restNodeForSpan), restArgs_.get$span(restArgs_)));
  	      keywordRestArgs_ = t1.keywordRest;
  	      if (keywordRestArgs_ == null)
  	        return new A._Record_2(positional, named);
  	      keywordRest = keywordRestArgs_.accept$1(_this);
  	      keywordRestNodeForSpan = _this._evaluate0$_expressionNode$1(keywordRestArgs_);
  	      if (keywordRest instanceof A.SassMap0) {
  	        _this._evaluate0$_addRestMap$4(named, keywordRest, invocation, new A._EvaluateVisitor__evaluateMacroArguments_closure10(_this, keywordRestNodeForSpan, keywordRestArgs_));
  	        return new A._Record_2(positional, named);
  	      } else
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Variabs + keywordRest.toString$0(0) + ").", keywordRestArgs_.get$span(keywordRestArgs_)));
  	    },
  	    _evaluate0$_addRestMap$1$4(values, map, nodeWithSpan, convert) {
  	      map._map0$_contents.forEach$1(0, new A._EvaluateVisitor__addRestMap_closure1(this, values, convert, this._evaluate0$_expressionNode$1(nodeWithSpan), map, nodeWithSpan));
  	    },
  	    _evaluate0$_addRestMap$4(values, map, nodeWithSpan, convert) {
  	      return this._evaluate0$_addRestMap$1$4(values, map, nodeWithSpan, convert, type$.dynamic);
  	    },
  	    _evaluate0$_verifyArguments$4(positional, named, parameters, nodeWithSpan) {
  	      return this._evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__verifyArguments_closure1(parameters, positional, named));
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      var t1 = this._evaluate0$_styleRuleIgnoringAtRoot;
  	      t1 = t1 == null ? null : t1.originalSelector.get$asSassList();
  	      return t1 == null ? B.C__SassNull0 : t1;
  	    },
  	    visitStringExpression$1(_, node) {
  	      var t1, t2, t3, _i, value, t4, _0_0, text, _this = this,
  	        oldInSupportsDeclaration = _this._evaluate0$_inSupportsDeclaration;
  	      _this._evaluate0$_inSupportsDeclaration = false;
  	      t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = node.text.contents, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        value = t2[_i];
  	        $label0$0: {
  	          if (typeof value == "string") {
  	            t4 = value;
  	            break $label0$0;
  	          }
  	          if (value instanceof A.Expression0) {
  	            _0_0 = value.accept$1(_this);
  	            $label1$1: {
  	              if (_0_0 instanceof A.SassString0) {
  	                text = _0_0._string0$_text;
  	                t4 = text;
  	                break $label1$1;
  	              }
  	              t4 = _this._evaluate0$_serialize$3$quote(_0_0, value, false);
  	              break $label1$1;
  	            }
  	            break $label0$0;
  	          }
  	          t4 = A.throwExpression(A.UnsupportedError$("Unknown interpolation value " + A.S(value)));
  	        }
  	        t1.push(t4);
  	      }
  	      t1 = B.JSArray_methods.join$0(t1);
  	      _this._evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	      return new A.SassString0(t1, node.hasQuotes);
  	    },
  	    visitSupportsExpression$1(_, expression) {
  	      return new A.SassString0(this._evaluate0$_visitSupportsCondition$1(expression.condition), false);
  	    },
  	    visitCssAtRule$1(node) {
  	      var wasInKeyframes, wasInUnknownAtRule, t1, rule, _this = this;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.At_rul, node.span));
  	      if (node.isChildless) {
  	        _this._evaluate0$_copyParentAfterSibling$0();
  	        _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssAtRule$0(node.name, node.span, true, node.value));
  	        return;
  	      }
  	      wasInKeyframes = _this._evaluate0$_inKeyframes;
  	      wasInUnknownAtRule = _this._evaluate0$_inUnknownAtRule;
  	      t1 = node.name;
  	      if (A.unvendor0(t1.value) === "keyframes")
  	        _this._evaluate0$_inKeyframes = true;
  	      else
  	        _this._evaluate0$_inUnknownAtRule = true;
  	      rule = A.ModifiableCssAtRule$0(t1, node.span, false, node.value);
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssAtRule_closure5(_this, node), false, type$.ModifiableCssAtRule_2, type$.Null);
  	        _this._evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	        _this._evaluate0$_inKeyframes = wasInKeyframes;
  	        return;
  	      }
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssAtRule_closure6(_this, node), false, new A._EvaluateVisitor_visitCssAtRule_closure7(), type$.ModifiableCssAtRule_2, type$.Null);
  	      _this._evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	      _this._evaluate0$_inKeyframes = wasInKeyframes;
  	    },
  	    visitCssComment$1(node) {
  	      var _this = this,
  	        _s8_ = "__parent",
  	        _s13_ = "_endOfImports";
  	      if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) === _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, "_root") && _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) === J.get$length$asx(_this._evaluate0$_assertInModule$2(_this._evaluate0$__root, "_root").children._collection$_source))
  	        _this._evaluate0$__endOfImports = _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) + 1;
  	      _this._evaluate0$_copyParentAfterSibling$0();
  	      _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).addChild$1(new A.ModifiableCssComment0(node.text, node.span));
  	    },
  	    visitCssDeclaration$1(node) {
  	      this._evaluate0$_copyParentAfterSibling$0();
  	      this._evaluate0$_assertInModule$2(this._evaluate0$__parent, "__parent").addChild$1(A.ModifiableCssDeclaration$0(node.name, node.value, node.span, node.parsedAsSassScript, node.valueSpanForMap));
  	    },
  	    visitCssImport$1(node) {
  	      var t1, _this = this,
  	        _s8_ = "__parent",
  	        _s5_ = "_root",
  	        _s13_ = "_endOfImports",
  	        modifiableNode = new A.ModifiableCssImport0(node.url, node.modifiers, node.span);
  	      if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) !== _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_)) {
  	        _this._evaluate0$_copyParentAfterSibling$0();
  	        _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).addChild$1(modifiableNode);
  	      } else if (_this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) === J.get$length$asx(_this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).children._collection$_source)) {
  	        _this._evaluate0$_assertInModule$2(_this._evaluate0$__root, _s5_).addChild$1(modifiableNode);
  	        _this._evaluate0$__endOfImports = _this._evaluate0$_assertInModule$2(_this._evaluate0$__endOfImports, _s13_) + 1;
  	      } else {
  	        t1 = _this._evaluate0$_outOfOrderImports;
  	        (t1 == null ? _this._evaluate0$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport_2) : t1).push(modifiableNode);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      this._evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssKeyframeBlock$0(node.selector, node.span), new A._EvaluateVisitor_visitCssKeyframeBlock_closure3(this, node), false, new A._EvaluateVisitor_visitCssKeyframeBlock_closure4(), type$.ModifiableCssKeyframeBlock_2, type$.Null);
  	    },
  	    visitCssMediaRule$1(node) {
  	      var mergedQueries, t1, mergedSources, t2, t3, _this = this;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Media_, node.span));
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssMediaRule$0(node.queries, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure7(_this, node), false, type$.ModifiableCssMediaRule_2, type$.Null);
  	        return;
  	      }
  	      mergedQueries = A.NullableExtension_andThen0(_this._evaluate0$_mediaQueries, new A._EvaluateVisitor_visitCssMediaRule_closure8(_this, node));
  	      t1 = mergedQueries == null;
  	      if (!t1 && J.get$isEmpty$asx(mergedQueries))
  	        return;
  	      if (t1)
  	        mergedSources = B.Set_empty6;
  	      else {
  	        t2 = _this._evaluate0$_mediaQuerySources;
  	        t2.toString;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(t2, type$.CssMediaQuery_2);
  	        t3 = _this._evaluate0$_mediaQueries;
  	        t3.toString;
  	        t2.addAll$1(0, t3);
  	        t2.addAll$1(0, node.queries);
  	        mergedSources = t2;
  	      }
  	      t1 = t1 ? node.queries : mergedQueries;
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(A.ModifiableCssMediaRule$0(t1, node.span), new A._EvaluateVisitor_visitCssMediaRule_closure9(_this, mergedQueries, node, mergedSources), false, new A._EvaluateVisitor_visitCssMediaRule_closure10(mergedSources), type$.ModifiableCssMediaRule_2, type$.Null);
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1, styleRule, _0_0, t2, t3, originalSelector, rule, oldAtRootExcludingStyleRule, _1_1, lastChild, _this = this, _null = null,
  	        _s8_ = "__parent";
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Style_n, node.span));
  	      else if (_this._evaluate0$_inKeyframes && _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_) instanceof A.ModifiableCssKeyframeBlock0)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Style_k, node.span));
  	      t1 = _this._evaluate0$_atRootExcludingStyleRule;
  	      styleRule = t1 ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot;
  	      _0_0 = t1 ? _null : _this._evaluate0$_styleRuleIgnoringAtRoot;
  	      $label0$0: {
  	        if (_0_0 == null) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (_0_0.fromPlainCss) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = !(node.fromPlainCss && node._style_rule0$_selector._box0$_inner.value.accept$1(B.C__ContainsParentSelectorVisitor0));
  	        break $label0$0;
  	      }
  	      t2 = node._style_rule0$_selector._box0$_inner;
  	      if (t1) {
  	        t2 = t2.value;
  	        t3 = styleRule == null ? _null : styleRule.originalSelector;
  	        originalSelector = t2.nestWithin$3$implicitParent$preserveParentSelectors(t3, !_this._evaluate0$_atRootExcludingStyleRule, node.fromPlainCss);
  	      } else
  	        originalSelector = t2.value;
  	      rule = A.ModifiableCssStyleRule$0(_this._evaluate0$_assertInModule$2(_this._evaluate0$__extensionStore, "_extensionStore").addSelector$2(originalSelector, _this._evaluate0$_mediaQueries), node.span, node.fromPlainCss, originalSelector);
  	      oldAtRootExcludingStyleRule = _this._evaluate0$_atRootExcludingStyleRule;
  	      _this._evaluate0$_atRootExcludingStyleRule = false;
  	      t1 = t1 ? new A._EvaluateVisitor_visitCssStyleRule_closure3() : _null;
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssStyleRule_closure4(_this, rule, node), false, t1, type$.ModifiableCssStyleRule_2, type$.Null);
  	      _this._evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	      t1 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).children._collection$_source;
  	      t2 = J.getInterceptor$asx(t1);
  	      _1_1 = t2.get$length(t1);
  	      if (_1_1 >= 1) {
  	        lastChild = t2.elementAt$1(t1, _1_1 - 1);
  	        t1 = styleRule == null;
  	      } else {
  	        lastChild = _null;
  	        t1 = false;
  	      }
  	      if (t1)
  	        lastChild.isGroupEnd = true;
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1;
  	      for (t1 = J.get$iterator$ax(node.get$children(node)); t1.moveNext$0();)
  	        t1.get$current(t1).accept$1(this);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var rule, _this = this;
  	      if (_this._evaluate0$_declarationName != null)
  	        throw A.wrapException(_this._evaluate0$_exception$2(string$.Suppor, node.span));
  	      rule = A.ModifiableCssSupportsRule$0(node.condition, node.span);
  	      if (_this.get$_evaluate0$_hasCssNesting()) {
  	        _this._evaluate0$_withParent$2$3$scopeWhen(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure5(_this, node), false, type$.ModifiableCssSupportsRule_2, type$.Null);
  	        return;
  	      }
  	      _this._evaluate0$_withParent$2$4$scopeWhen$through(rule, new A._EvaluateVisitor_visitCssSupportsRule_closure6(_this, node), false, new A._EvaluateVisitor_visitCssSupportsRule_closure7(), type$.ModifiableCssSupportsRule_2, type$.Null);
  	    },
  	    _evaluate0$_handleReturn$1$2(list, callback) {
  	      var t1, _i, _0_0;
  	      for (t1 = list.length, _i = 0; _i < list.length; list.length === t1 || (0, A.throwConcurrentModificationError)(list), ++_i) {
  	        _0_0 = callback.call$1(list[_i]);
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    _evaluate0$_handleReturn$2(list, callback) {
  	      return this._evaluate0$_handleReturn$1$2(list, callback, type$.dynamic);
  	    },
  	    _evaluate0$_withEnvironment$1$2(environment, callback) {
  	      var result,
  	        oldEnvironment = this._evaluate0$_environment;
  	      this._evaluate0$_environment = environment;
  	      result = callback.call$0();
  	      this._evaluate0$_environment = oldEnvironment;
  	      return result;
  	    },
  	    _evaluate0$_withEnvironment$2(environment, callback) {
  	      return this._evaluate0$_withEnvironment$1$2(environment, callback, type$.dynamic);
  	    },
  	    _evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, trim, warnForColor) {
  	      var result = this._evaluate0$_performInterpolation$2$warnForColor(interpolation, warnForColor),
  	        t1 = trim ? A.trimAscii0(result, true) : result;
  	      return new A.CssValue0(t1, interpolation.span, type$.CssValue_String_2);
  	    },
  	    _evaluate0$_interpolationToValue$1(interpolation) {
  	      return this._evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, false, false);
  	    },
  	    _evaluate0$_interpolationToValue$2$warnForColor(interpolation, warnForColor) {
  	      return this._evaluate0$_interpolationToValue$3$trim$warnForColor(interpolation, false, warnForColor);
  	    },
  	    _evaluate0$_performInterpolation$2$warnForColor(interpolation, warnForColor) {
  	      return this._evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, false, warnForColor)._0;
  	    },
  	    _evaluate0$_performInterpolation$1(interpolation) {
  	      return this._evaluate0$_performInterpolation$2$warnForColor(interpolation, false);
  	    },
  	    _evaluate0$_performInterpolationWithMap$2$warnForColor(interpolation, warnForColor) {
  	      var _0_0 = this._evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, true, true),
  	        map = _0_0._1;
  	      map.toString;
  	      return new A._Record_2(_0_0._0, map);
  	    },
  	    _evaluate0$_performInterpolationHelper$3$sourceMap$warnForColor(interpolation, sourceMap, warnForColor) {
  	      var t1, t2, t3, t4, t5, t6, first, _i, t7, value, result, result0, t8, _this = this,
  	        targetOffsets = sourceMap ? A._setArrayType([], type$.JSArray_int) : null,
  	        oldInSupportsDeclaration = _this._evaluate0$_inSupportsDeclaration;
  	      _this._evaluate0$_inSupportsDeclaration = false;
  	      for (t1 = interpolation.contents, t2 = t1.length, t3 = type$.Expression_2, t4 = targetOffsets == null, t5 = interpolation.span, t6 = type$.Object, first = true, _i = 0, t7 = ""; _i < t2; ++_i, first = false) {
  	        value = t1[_i];
  	        if (!first)
  	          if (!t4)
  	            targetOffsets.push(t7.length);
  	        if (typeof value == "string") {
  	          t7 += value;
  	          continue;
  	        }
  	        t3._as(value);
  	        result = value.accept$1(_this);
  	        if (warnForColor && $.$get$namesByColor0().containsKey$1(result)) {
  	          result0 = A.List_List$from([""], false, t6);
  	          result0.$flags = 3;
  	          t8 = $.$get$namesByColor0();
  	          _this._evaluate0$_warn$2(string$.You_pr + A.S(t8.$index(0, result)) + string$.x20in_in + result.toString$0(0) + string$.x2c_whicw + A.S(t8.$index(0, result)) + string$.x22x29__If + new A.BinaryOperationExpression0(B.BinaryOperator_jCK0, new A.StringExpression0(new A.Interpolation0(result0, B.List_null, t5), true), value, false).toString$0(0) + "'.", value.get$span(value));
  	        }
  	        t7 += _this._evaluate0$_serialize$3$quote(result, value, false);
  	      }
  	      _this._evaluate0$_inSupportsDeclaration = oldInSupportsDeclaration;
  	      return new A._Record_2(t7.charCodeAt(0) == 0 ? t7 : t7, A.NullableExtension_andThen0(targetOffsets, new A._EvaluateVisitor__performInterpolationHelper_closure1(interpolation)));
  	    },
  	    _evaluate0$_serialize$3$quote(value, nodeWithSpan, quote) {
  	      return this._evaluate0$_addExceptionSpan$2(nodeWithSpan, new A._EvaluateVisitor__serialize_closure1(value, quote));
  	    },
  	    _evaluate0$_serialize$2(value, nodeWithSpan) {
  	      return this._evaluate0$_serialize$3$quote(value, nodeWithSpan, true);
  	    },
  	    _evaluate0$_expressionNode$1(expression) {
  	      var t1;
  	      if (expression instanceof A.VariableExpression0) {
  	        t1 = this._evaluate0$_addExceptionSpan$2(expression, new A._EvaluateVisitor__expressionNode_closure1(this, expression));
  	        return t1 == null ? expression : t1;
  	      } else
  	        return expression;
  	    },
  	    _evaluate0$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, through, $S, $T) {
  	      var oldParent, result, _this = this;
  	      _this._evaluate0$_addChild$2$through(node, through);
  	      oldParent = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, "__parent");
  	      _this._evaluate0$__parent = node;
  	      result = _this._evaluate0$_environment.scope$1$2$when(callback, scopeWhen, $T);
  	      _this._evaluate0$__parent = oldParent;
  	      return result;
  	    },
  	    _evaluate0$_withParent$2$3$scopeWhen(node, callback, scopeWhen, $S, $T) {
  	      return this._evaluate0$_withParent$2$4$scopeWhen$through(node, callback, scopeWhen, null, $S, $T);
  	    },
  	    _evaluate0$_withParent$2$2(node, callback, $S, $T) {
  	      return this._evaluate0$_withParent$2$4$scopeWhen$through(node, callback, true, null, $S, $T);
  	    },
  	    _evaluate0$_copyParentAfterSibling$0() {
  	      var t1, grandparent, newParent, _this = this,
  	        _s8_ = "__parent",
  	        _0_0 = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_)._node$_parent;
  	      if (_0_0 != null) {
  	        t1 = _0_0.children;
  	        t1 = t1.get$last(t1) !== _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_);
  	        grandparent = _0_0;
  	      } else {
  	        grandparent = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        newParent = _this._evaluate0$_assertInModule$2(_this._evaluate0$__parent, _s8_).copyWithoutChildren$0();
  	        grandparent.addChild$1(newParent);
  	        _this._evaluate0$__parent = newParent;
  	      }
  	    },
  	    _evaluate0$_addChild$2$through(node, through) {
  	      var _0_0, grandparent, t1,
  	        $parent = this._evaluate0$_assertInModule$2(this._evaluate0$__parent, "__parent");
  	      if (through != null) {
  	        for (; through.call$1($parent); $parent = _0_0) {
  	          _0_0 = $parent._node$_parent;
  	          if (_0_0 == null)
  	            throw A.wrapException(A.ArgumentError$(string$.throug + node.toString$0(0) + ".", null));
  	        }
  	        if ($parent.get$hasFollowingSibling()) {
  	          grandparent = $parent._node$_parent;
  	          t1 = grandparent.children;
  	          if ($parent.equalsIgnoringChildren$1(t1.get$last(t1)))
  	            $parent = type$.ModifiableCssParentNode_2._as(t1.get$last(t1));
  	          else {
  	            $parent = $parent.copyWithoutChildren$0();
  	            grandparent.addChild$1($parent);
  	          }
  	        }
  	      }
  	      $parent.addChild$1(node);
  	    },
  	    _evaluate0$_addChild$1(node) {
  	      return this._evaluate0$_addChild$2$through(node, null);
  	    },
  	    _evaluate0$_withStyleRule$1$2(rule, callback) {
  	      var result,
  	        oldRule = this._evaluate0$_styleRuleIgnoringAtRoot;
  	      this._evaluate0$_styleRuleIgnoringAtRoot = rule;
  	      result = callback.call$0();
  	      this._evaluate0$_styleRuleIgnoringAtRoot = oldRule;
  	      return result;
  	    },
  	    _evaluate0$_withStyleRule$2(rule, callback) {
  	      return this._evaluate0$_withStyleRule$1$2(rule, callback, type$.dynamic);
  	    },
  	    _evaluate0$_withMediaQueries$1$3(queries, sources, callback) {
  	      var result, _this = this,
  	        oldMediaQueries = _this._evaluate0$_mediaQueries,
  	        oldSources = _this._evaluate0$_mediaQuerySources;
  	      _this._evaluate0$_mediaQueries = queries;
  	      _this._evaluate0$_mediaQuerySources = sources;
  	      result = callback.call$0();
  	      _this._evaluate0$_mediaQueries = oldMediaQueries;
  	      _this._evaluate0$_mediaQuerySources = oldSources;
  	      return result;
  	    },
  	    _evaluate0$_withMediaQueries$3(queries, sources, callback) {
  	      return this._evaluate0$_withMediaQueries$1$3(queries, sources, callback, type$.dynamic);
  	    },
  	    _evaluate0$_withStackFrame$1$3(member, nodeWithSpan, callback) {
  	      var oldMember, result, _this = this,
  	        t1 = _this._evaluate0$_stack;
  	      t1.push(new A._Record_2(_this._evaluate0$_member, nodeWithSpan));
  	      oldMember = _this._evaluate0$_member;
  	      _this._evaluate0$_member = member;
  	      result = callback.call$0();
  	      _this._evaluate0$_member = oldMember;
  	      t1.pop();
  	      return result;
  	    },
  	    _evaluate0$_withStackFrame$3(member, nodeWithSpan, callback) {
  	      return this._evaluate0$_withStackFrame$1$3(member, nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _evaluate0$_withoutSlash$2(value, nodeForSpan) {
  	      var t1;
  	      if (value instanceof A.SassNumber0)
  	        t1 = value.asSlash != null;
  	      else
  	        t1 = false;
  	      if (t1)
  	        this._evaluate0$_warn$3(string$.Using__i + A.S(new A._EvaluateVisitor__withoutSlash_recommendation1().call$1(value)) + string$.x0a_Morex20, nodeForSpan.get$span(nodeForSpan), B.Deprecation_v81);
  	      return value.withoutSlash$0();
  	    },
  	    _evaluate0$_stackFrame$2(member, span) {
  	      return A.frameForSpan0(span, member, A.NullableExtension_andThen0(span.get$sourceUrl(span), new A._EvaluateVisitor__stackFrame_closure1(this)));
  	    },
  	    _evaluate0$_stackTrace$1(span) {
  	      var t2, t3, _i, t4, nodeWithSpan, _this = this,
  	        t1 = A._setArrayType([], type$.JSArray_Frame);
  	      for (t2 = _this._evaluate0$_stack, t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        t4 = t2[_i];
  	        nodeWithSpan = t4._1;
  	        t1.push(_this._evaluate0$_stackFrame$2(t4._0, nodeWithSpan.get$span(nodeWithSpan)));
  	      }
  	      if (span != null)
  	        t1.push(_this._evaluate0$_stackFrame$2(_this._evaluate0$_member, span));
  	      return A.Trace$(new A.ReversedListIterable(t1, type$.ReversedListIterable_Frame), null);
  	    },
  	    _evaluate0$_stackTrace$0() {
  	      return this._evaluate0$_stackTrace$1(null);
  	    },
  	    _evaluate0$_warn$3(message, span, deprecation) {
  	      var trace, t1, _this = this;
  	      if (_this._evaluate0$_quietDeps && _this._evaluate0$_inDependency)
  	        return;
  	      if (!_this._evaluate0$_warningsEmitted.add$1(0, new A._Record_2(message, span)))
  	        return;
  	      trace = _this._evaluate0$_stackTrace$1(span);
  	      t1 = _this._evaluate0$_logger;
  	      if (deprecation == null)
  	        t1.internalWarn$4$deprecation$span$trace(message, null, span, trace);
  	      else
  	        A.WarnForDeprecation_warnForDeprecation0(t1, deprecation, message, span, trace);
  	    },
  	    _evaluate0$_warn$2(message, span) {
  	      return this._evaluate0$_warn$3(message, span, null);
  	    },
  	    _evaluate0$_exception$2(message, span) {
  	      var t1, t2;
  	      if (span == null) {
  	        t1 = B.JSArray_methods.get$last(this._evaluate0$_stack)._1;
  	        t1 = t1.get$span(t1);
  	      } else
  	        t1 = span;
  	      t2 = this._evaluate0$_stackTrace$1(span);
  	      return new A.SassRuntimeException0(t2, B.Set_empty, message, t1);
  	    },
  	    _evaluate0$_exception$1(message) {
  	      return this._evaluate0$_exception$2(message, null);
  	    },
  	    _evaluate0$_multiSpanException$3(message, primaryLabel, secondaryLabels) {
  	      var t1 = B.JSArray_methods.get$last(this._evaluate0$_stack)._1;
  	      return A.MultiSpanSassRuntimeException$0(message, t1.get$span(t1), primaryLabel, secondaryLabels, this._evaluate0$_stackTrace$0(), null);
  	    },
  	    _evaluate0$_addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassScriptException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error.withSpan$1(nodeWithSpan.get$span(nodeWithSpan));
  	          A.throwWithTrace0(t1.withTrace$1(this._evaluate0$_stackTrace$1(addStackFrame ? nodeWithSpan.get$span(nodeWithSpan) : null)), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _evaluate0$_addExceptionSpan$2(nodeWithSpan, callback) {
  	      return this._evaluate0$_addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, true, type$.dynamic);
  	    },
  	    _evaluate0$_addExceptionSpan$3$addStackFrame(nodeWithSpan, callback, addStackFrame) {
  	      return this._evaluate0$_addExceptionSpan$1$3$addStackFrame(nodeWithSpan, callback, addStackFrame, type$.dynamic);
  	    },
  	    _evaluate0$_addExceptionTrace$1$1(callback) {
  	      var error, stackTrace, t1, t2;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassRuntimeException_2._is(t1))
  	          throw exception;
  	        else if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = error;
  	          t2 = J.getInterceptor$x(t1);
  	          A.throwWithTrace0(error.withTrace$1(this._evaluate0$_stackTrace$1(A.SourceSpanException.prototype.get$span.call(t2, t1))), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _evaluate0$_addExceptionTrace$1(callback) {
  	      return this._evaluate0$_addExceptionTrace$1$1(callback, type$.dynamic);
  	    },
  	    _evaluate0$_addErrorSpan$1$2(nodeWithSpan, callback) {
  	      var error, stackTrace, t1, t2, t3;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SassRuntimeException_2._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          if (!B.JSString_methods.startsWith$1(J.get$span$x(error).get$text(), "@error"))
  	            throw exception;
  	          t1 = error._span_exception$_message;
  	          t2 = nodeWithSpan.get$span(nodeWithSpan);
  	          t3 = this._evaluate0$_stackTrace$0();
  	          A.throwWithTrace0(new A.SassRuntimeException0(t3, B.Set_empty, t1, t2), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _evaluate0$_addErrorSpan$2(nodeWithSpan, callback) {
  	      return this._evaluate0$_addErrorSpan$1$2(nodeWithSpan, callback, type$.dynamic);
  	    },
  	    _evaluate0$_getErrorMessage$1(error) {
  	      var t1;
  	      if (type$.Error._is(error))
  	        return error.toString$0(0);
  	      try {
  	        t1 = A._asString(J.get$message$x(error));
  	        return t1;
  	      } catch (exception) {
  	        t1 = J.toString$0$(error);
  	        return t1;
  	      }
  	    },
  	    $isExpressionVisitor: 1,
  	    $isIfConditionExpressionVisitor: 1,
  	    $isStatementVisitor: 1
  	  };
  	  A._EvaluateVisitor_closure25.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._evaluate0$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-");
  	      return t1.globalVariableExists$2$namespace(t2, module == null ? null : module._string0$_text) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure26.prototype = {
  	    call$1($arguments) {
  	      var variable = J.$index$asx($arguments, 0).assertString$1("name"),
  	        t1 = this.$this._evaluate0$_environment;
  	      return t1.getVariable$1(A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-")) != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure27.prototype = {
  	    call$1($arguments) {
  	      var module, t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._evaluate0$_environment;
  	      t3 = variable._string0$_text;
  	      t4 = A.stringReplaceAllUnchecked(t3, "_", "-");
  	      return t2.getFunction$2$namespace(t4, module == null ? null : module._string0$_text) != null || t1._evaluate0$_builtInFunctions.containsKey$1(t3) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure28.prototype = {
  	    call$1($arguments) {
  	      var module, t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        variable = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this._evaluate0$_environment;
  	      t2 = A.stringReplaceAllUnchecked(variable._string0$_text, "_", "-");
  	      return t1.getMixin$2$namespace(t2, module == null ? null : module._string0$_text) != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure29.prototype = {
  	    call$1($arguments) {
  	      var t1 = this.$this._evaluate0$_environment;
  	      if (!t1._environment0$_inMixin)
  	        throw A.wrapException(A.SassScriptException$0(string$.conten, null));
  	      return t1._environment0$_content != null ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._EvaluateVisitor_closure30.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = this.$this._evaluate0$_environment._environment0$_modules.$index(0, t1);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t1 + '".');
  	      t1 = type$.Value_2;
  	      t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t3 = A.MapExtensions_get_pairs0(module.get$variables(), type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        t2.$indexSet(0, new A.SassString0(t4._0, true), t4._1);
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure31.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = t1._evaluate0$_environment._environment0$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value_2;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs0(module.get$functions(module), type$.String, type$.Callable_2), t4 = t4.get$iterator(t4), t1 = t1._evaluate0$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString0(t5._0, true), new A.SassFunction0(t5._1, t1));
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure32.prototype = {
  	    call$1($arguments) {
  	      var t3, t4, t5,
  	        t1 = this.$this,
  	        t2 = J.$index$asx($arguments, 0).assertString$1("module")._string0$_text,
  	        module = t1._evaluate0$_environment._environment0$_modules.$index(0, t2);
  	      if (module == null)
  	        throw A.wrapException('There is no module with namespace "' + t2 + '".');
  	      t2 = type$.Value_2;
  	      t3 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t4 = A.MapExtensions_get_pairs0(module.get$mixins(), type$.String, type$.Callable_2), t4 = t4.get$iterator(t4), t1 = t1._evaluate0$_compileContext; t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        t3.$indexSet(0, new A.SassString0(t5._0, true), new A.SassMixin0(t5._1, t1));
  	      }
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t3, t2, t2));
  	    },
  	    $signature: 34
  	  };
  	  A._EvaluateVisitor_closure33.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name"),
  	        css = t1.$index($arguments, 1).get$isTruthy();
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      if (css) {
  	        if (module != null)
  	          throw A.wrapException(string$.x24css_a);
  	        return new A.SassFunction0(new A.PlainCssCallable0($name._string0$_text), this.$this._evaluate0$_compileContext);
  	      }
  	      t1 = this.$this;
  	      t2 = t1._evaluate0$_callableNode;
  	      t2.toString;
  	      callable = t1._evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure10(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Function not found: " + $name.toString$0(0));
  	      return new A.SassFunction0(callable, t1._evaluate0$_compileContext);
  	    },
  	    $signature: 207
  	  };
  	  A._EvaluateVisitor__closure10.prototype = {
  	    call$0() {
  	      var local,
  	        normalizedName = A.stringReplaceAllUnchecked(this.name._string0$_text, "_", "-"),
  	        t1 = this.module,
  	        namespace = t1 == null ? null : t1._string0$_text;
  	      t1 = this.$this;
  	      local = t1._evaluate0$_environment.getFunction$2$namespace(normalizedName, namespace);
  	      if (local != null || namespace != null)
  	        return local;
  	      return t1._evaluate0$_builtInFunctions.$index(0, normalizedName);
  	    },
  	    $signature: 88
  	  };
  	  A._EvaluateVisitor_closure34.prototype = {
  	    call$1($arguments) {
  	      var module, t2, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $name = t1.$index($arguments, 0).assertString$1("name");
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      module = t1 == null ? null : t1.assertString$1("module");
  	      t1 = this.$this;
  	      t2 = t1._evaluate0$_callableNode;
  	      t2.toString;
  	      callable = t1._evaluate0$_addExceptionSpan$2(t2, new A._EvaluateVisitor__closure9(t1, $name, module));
  	      if (callable == null)
  	        throw A.wrapException("Mixin not found: " + $name.toString$0(0));
  	      return new A.SassMixin0(callable, t1._evaluate0$_compileContext);
  	    },
  	    $signature: 208
  	  };
  	  A._EvaluateVisitor__closure9.prototype = {
  	    call$0() {
  	      var t1 = this.$this._evaluate0$_environment,
  	        t2 = A.stringReplaceAllUnchecked(this.name._string0$_text, "_", "-"),
  	        t3 = this.module;
  	      return t1.getMixin$2$namespace(t2, t3 == null ? null : t3._string0$_text);
  	    },
  	    $signature: 88
  	  };
  	  A._EvaluateVisitor_closure35.prototype = {
  	    call$1($arguments) {
  	      var callableNode, t2, t3, t4, t5, t6, t7, invocation, callable,
  	        t1 = J.getInterceptor$asx($arguments),
  	        $function = t1.$index($arguments, 0),
  	        args = type$.SassArgumentList_2._as(t1.$index($arguments, 1));
  	      t1 = this.$this;
  	      callableNode = t1._evaluate0$_callableNode;
  	      t2 = callableNode.get$span(callableNode);
  	      t3 = callableNode.get$span(callableNode);
  	      args._argument_list$_wereKeywordsAccessed = true;
  	      t4 = args._argument_list$_keywords;
  	      if (t4.get$isEmpty(t4))
  	        t4 = null;
  	      else {
  	        t5 = type$.Value_2;
  	        t6 = A.LinkedHashMap_LinkedHashMap$_empty(t5, t5);
  	        for (args._argument_list$_wereKeywordsAccessed = true, t4 = A.MapExtensions_get_pairs0(t4, type$.String, t5), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	          t7 = t4.get$current(t4);
  	          t6.$indexSet(0, new A.SassString0(t7._0, false), t7._1);
  	        }
  	        t4 = new A.ValueExpression0(new A.SassMap0(A.ConstantMap_ConstantMap$from(t6, t5, t5)), callableNode.get$span(callableNode));
  	      }
  	      invocation = A.ArgumentList$0(B.List_empty24, B.Map_empty14, B.Map_empty5, t2, t4, new A.ValueExpression0(args, t3));
  	      if ($function instanceof A.SassString0) {
  	        A.warnForDeprecation0(string$.Passina + $function.toString$0(0) + "))", B.Deprecation_LIY);
  	        callableNode = t1._evaluate0$_callableNode;
  	        t2 = $function._string0$_text;
  	        t3 = callableNode.get$span(callableNode);
  	        return t1.visitFunctionExpression$1(0, new A.FunctionExpression0(null, A.stringReplaceAllUnchecked(t2, "_", "-"), t2, invocation, t3));
  	      }
  	      callable = $function.assertFunction$1("function").assertCompileContext$1(t1._evaluate0$_compileContext).callable;
  	      if (type$.Callable_2._is(callable)) {
  	        t2 = t1._evaluate0$_callableNode;
  	        t2.toString;
  	        return t1._evaluate0$_runFunctionCallable$3(invocation, callable, t2);
  	      } else
  	        throw A.wrapException(A.SassScriptException$0("The function " + callable.get$name(callable) + string$.x20is_as, null));
  	    },
  	    $signature: 3
  	  };
  	  A._EvaluateVisitor_closure36.prototype = {
  	    call$1($arguments) {
  	      var withMap, t2, t3, values, span, configuration,
  	        t1 = J.getInterceptor$asx($arguments),
  	        url = A.Uri_parse(t1.$index($arguments, 0).assertString$1("url")._string0$_text);
  	      t1 = t1.$index($arguments, 1).get$realNull();
  	      withMap = t1 == null ? null : t1.assertMap$1("with")._map0$_contents;
  	      t1 = this.$this;
  	      t2 = t1._evaluate0$_callableNode;
  	      t2.toString;
  	      if (withMap != null) {
  	        t3 = {};
  	        values = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, type$.ConfiguredValue_2);
  	        span = t2.get$span(t2);
  	        t3.privateDeprecation = false;
  	        withMap.forEach$1(0, new A._EvaluateVisitor__closure7(t3, values, span, t2));
  	        configuration = new A.ExplicitConfiguration0(t2, values, null);
  	      } else
  	        configuration = B.Configuration_Map_empty_null0;
  	      t3 = t2.get$span(t2);
  	      t1._evaluate0$_loadModule$7$baseUrl$configuration$namesInErrors(url, "load-css()", t2, new A._EvaluateVisitor__closure8(t1), t3.get$sourceUrl(t3), configuration, true);
  	      t1._evaluate0$_assertConfigurationIsEmpty$2$nameInError(configuration, true);
  	    },
  	    $signature: 241
  	  };
  	  A._EvaluateVisitor__closure7.prototype = {
  	    call$2(variable, value) {
  	      var _this = this,
  	        t1 = variable.assertString$1("with key"),
  	        $name = A.stringReplaceAllUnchecked(t1._string0$_text, "_", "-");
  	      t1 = _this.values;
  	      if (t1.containsKey$1($name))
  	        throw A.wrapException("The variable $" + $name + " was configured twice.");
  	      else if (B.JSString_methods.startsWith$1($name, "-") && !_this._box_0.privateDeprecation) {
  	        _this._box_0.privateDeprecation = true;
  	        A.warnForDeprecation0("Configuring private variables (such as $" + $name + string$.x29x20is_dT, B.Deprecation_lkJ);
  	      }
  	      t1.$indexSet(0, $name, new A.ConfiguredValue0(value, _this.span, _this.callableNode));
  	    },
  	    $signature: 117
  	  };
  	  A._EvaluateVisitor__closure8.prototype = {
  	    call$2(module, _) {
  	      var t1 = this.$this;
  	      return t1._evaluate0$_combineCss$2$clone(module, true).accept$1(t1);
  	    },
  	    $signature: 91
  	  };
  	  A._EvaluateVisitor_closure37.prototype = {
  	    call$1($arguments) {
  	      var callableNode, invocation, callable, $content,
  	        t1 = J.getInterceptor$asx($arguments),
  	        mixin = t1.$index($arguments, 0),
  	        args = type$.SassArgumentList_2._as(t1.$index($arguments, 1));
  	      t1 = this.$this;
  	      callableNode = t1._evaluate0$_callableNode;
  	      invocation = A.ArgumentList$0(B.List_empty24, B.Map_empty14, B.Map_empty5, callableNode.get$span(callableNode), null, new A.ValueExpression0(args, callableNode.get$span(callableNode)));
  	      callable = mixin.assertMixin$1("mixin").assertCompileContext$1(t1._evaluate0$_compileContext).callable;
  	      $content = t1._evaluate0$_environment._environment0$_content;
  	      if (type$.Callable_2._is(callable))
  	        t1._evaluate0$_applyMixin$5(callable, $content, invocation, callableNode, callableNode);
  	      else
  	        throw A.wrapException(A.SassScriptException$0("The mixin " + callable.get$name(callable) + string$.x20is_as, null));
  	    },
  	    $signature: 241
  	  };
  	  A._EvaluateVisitor_run_closure1.prototype = {
  	    call$0() {
  	      var module, _this = this,
  	        t1 = _this.node,
  	        t2 = t1.span,
  	        _0_0 = t2.get$sourceUrl(t2),
  	        url = null;
  	      if (_0_0 != null) {
  	        url = _0_0;
  	        t2 = _this.$this;
  	        t2._evaluate0$_activeModules.$indexSet(0, url, null);
  	        if (!(t2._nodeImporter != null && J.toString$0$(url) === "stdin"))
  	          t2._evaluate0$_loadedUrls.add$1(0, url);
  	      }
  	      t2 = _this.$this;
  	      module = t2._evaluate0$_addExceptionTrace$1(new A._EvaluateVisitor_run__closure1(t2, _this.importer, t1));
  	      return new A._Record_2_loadedUrls_stylesheet(t2._evaluate0$_loadedUrls, t2._evaluate0$_combineCss$1(module));
  	    },
  	    $signature: 459
  	  };
  	  A._EvaluateVisitor_run__closure1.prototype = {
  	    call$0() {
  	      return this.$this._evaluate0$_execute$2(this.importer, this.node);
  	    },
  	    $signature: 460
  	  };
  	  A._EvaluateVisitor__loadModule_closure3.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_0.builtInModule, false);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__loadModule_closure4.prototype = {
  	    call$0() {
  	      var canonicalUrl, oldInDependency, t4, message, _this = this, t1 = {}, stylesheet = null, importer = null,
  	        t2 = _this.$this,
  	        t3 = _this.nodeWithSpan,
  	        _1_0 = t2._evaluate0$_loadStylesheet$3$baseUrl(_this.url.toString$0(0), t3.get$span(t3), _this.baseUrl);
  	      stylesheet = _1_0._0;
  	      importer = _1_0._1;
  	      t4 = stylesheet.span;
  	      canonicalUrl = t4.get$sourceUrl(t4);
  	      if (canonicalUrl != null) {
  	        t4 = t2._evaluate0$_activeModules;
  	        if (t4.containsKey$1(canonicalUrl)) {
  	          message = _this.namesInErrors ? "Module loop: " + $.$get$context().prettyUri$1(canonicalUrl) + " is already being loaded." : string$.Modulel;
  	          t1 = A.NullableExtension_andThen0(t4.$index(0, canonicalUrl), new A._EvaluateVisitor__loadModule__closure3(t2, message));
  	          throw A.wrapException(t1 == null ? t2._evaluate0$_exception$1(message) : t1);
  	        } else
  	          t4.$indexSet(0, canonicalUrl, t3);
  	      }
  	      t4 = t2._evaluate0$_modules.containsKey$1(canonicalUrl);
  	      oldInDependency = t2._evaluate0$_inDependency;
  	      t2._evaluate0$_inDependency = _1_0._2;
  	      t1.module = null;
  	      try {
  	        t1.module = t2._evaluate0$_execute$5$configuration$namesInErrors$nodeWithSpan(importer, stylesheet, _this.configuration, _this.namesInErrors, t3);
  	      } finally {
  	        t2._evaluate0$_activeModules.remove$1(0, canonicalUrl);
  	        t2._evaluate0$_inDependency = oldInDependency;
  	      }
  	      t2._evaluate0$_addExceptionSpan$3$addStackFrame(t3, new A._EvaluateVisitor__loadModule__closure4(t1, _this.callback, !t4), false);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__loadModule__closure3.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._evaluate0$_multiSpanException$3(this.message, "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 98
  	  };
  	  A._EvaluateVisitor__loadModule__closure4.prototype = {
  	    call$0() {
  	      return this.callback.call$2(this._box_1.module, this.firstLoad);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__execute_closure1.prototype = {
  	    call$0() {
  	      var t3, t4, t5, t6, _this = this,
  	        t1 = _this.$this,
  	        oldImporter = t1._evaluate0$_importer,
  	        oldStylesheet = t1._evaluate0$__stylesheet,
  	        oldRoot = t1._evaluate0$__root,
  	        oldPreModuleComments = t1._evaluate0$_preModuleComments,
  	        oldParent = t1._evaluate0$__parent,
  	        oldEndOfImports = t1._evaluate0$__endOfImports,
  	        oldOutOfOrderImports = t1._evaluate0$_outOfOrderImports,
  	        oldExtensionStore = t1._evaluate0$__extensionStore,
  	        t2 = t1._evaluate0$_atRootExcludingStyleRule,
  	        oldStyleRule = t2 ? null : t1._evaluate0$_styleRuleIgnoringAtRoot,
  	        oldMediaQueries = t1._evaluate0$_mediaQueries,
  	        oldDeclarationName = t1._evaluate0$_declarationName,
  	        oldInUnknownAtRule = t1._evaluate0$_inUnknownAtRule,
  	        oldInKeyframes = t1._evaluate0$_inKeyframes,
  	        oldConfiguration = t1._evaluate0$_configuration;
  	      t1._evaluate0$_importer = _this.importer;
  	      t3 = t1._evaluate0$__stylesheet = _this.stylesheet;
  	      t4 = t3.span;
  	      t5 = t1._evaluate0$__parent = t1._evaluate0$__root = A.ModifiableCssStylesheet$0(t4);
  	      t1._evaluate0$__endOfImports = 0;
  	      t1._evaluate0$_outOfOrderImports = null;
  	      t1._evaluate0$__extensionStore = _this.extensionStore;
  	      t1._evaluate0$_declarationName = t1._evaluate0$_mediaQueries = t1._evaluate0$_styleRuleIgnoringAtRoot = null;
  	      t1._evaluate0$_inKeyframes = t1._evaluate0$_atRootExcludingStyleRule = t1._evaluate0$_inUnknownAtRule = false;
  	      t6 = _this.configuration;
  	      if (t6 != null)
  	        t1._evaluate0$_configuration = t6;
  	      t1.visitStylesheet$1(0, t3);
  	      t3 = t1._evaluate0$_outOfOrderImports == null ? t5 : new A.CssStylesheet0(new A.UnmodifiableListView(t1._evaluate0$_addOutOfOrderImports$0(), type$.UnmodifiableListView_CssNode_2), t4);
  	      _this.css.__late_helper$_value = t3;
  	      _this.preModuleComments.__late_helper$_value = t1._evaluate0$_preModuleComments;
  	      t1._evaluate0$_importer = oldImporter;
  	      t1._evaluate0$__stylesheet = oldStylesheet;
  	      t1._evaluate0$__root = oldRoot;
  	      t1._evaluate0$_preModuleComments = oldPreModuleComments;
  	      t1._evaluate0$__parent = oldParent;
  	      t1._evaluate0$__endOfImports = oldEndOfImports;
  	      t1._evaluate0$_outOfOrderImports = oldOutOfOrderImports;
  	      t1._evaluate0$__extensionStore = oldExtensionStore;
  	      t1._evaluate0$_styleRuleIgnoringAtRoot = oldStyleRule;
  	      t1._evaluate0$_mediaQueries = oldMediaQueries;
  	      t1._evaluate0$_declarationName = oldDeclarationName;
  	      t1._evaluate0$_inUnknownAtRule = oldInUnknownAtRule;
  	      t1._evaluate0$_atRootExcludingStyleRule = t2;
  	      t1._evaluate0$_inKeyframes = oldInKeyframes;
  	      t1._evaluate0$_configuration = oldConfiguration;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__combineCss_closure3.prototype = {
  	    call$1(module) {
  	      return module.get$transitivelyContainsCss();
  	    },
  	    $signature: 85
  	  };
  	  A._EvaluateVisitor__combineCss_closure4.prototype = {
  	    call$1(target) {
  	      return !this.selectors.contains$1(0, target);
  	    },
  	    $signature: 15
  	  };
  	  A._EvaluateVisitor__combineCss_visitModule1.prototype = {
  	    call$1(module) {
  	      var t1, t2, t3, t4, _i, upstream, _1_0, statements, index, _this = this;
  	      if (!_this.seen.add$1(0, module))
  	        return;
  	      if (_this.clone)
  	        module = module.cloneCss$0();
  	      for (t1 = module.get$upstream(), t2 = t1.length, t3 = _this.css, t4 = _this.imports, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        upstream = t1[_i];
  	        if (upstream.get$transitivelyContainsCss()) {
  	          _1_0 = module.get$preModuleComments().$index(0, upstream);
  	          if (_1_0 != null)
  	            B.JSArray_methods.addAll$1(t3.length === 0 ? t4 : t3, _1_0);
  	          _this.call$1(upstream);
  	        }
  	      }
  	      _this.sorted.addFirst$1(module);
  	      t1 = module.get$css(module);
  	      statements = t1.get$children(t1);
  	      index = _this.$this._evaluate0$_indexAfterImports$1(statements);
  	      t1 = J.getInterceptor$ax(statements);
  	      B.JSArray_methods.addAll$1(t4, t1.getRange$2(statements, 0, index));
  	      B.JSArray_methods.addAll$1(t3, t1.getRange$2(statements, index, t1.get$length(statements)));
  	    },
  	    $signature: 461
  	  };
  	  A._EvaluateVisitor__extendModules_closure3.prototype = {
  	    call$1(target) {
  	      return !this.originalSelectors.contains$1(0, target);
  	    },
  	    $signature: 15
  	  };
  	  A._EvaluateVisitor__extendModules_closure4.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_ExtensionStore_2);
  	    },
  	    $signature: 211
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure3.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRootRule_closure4.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure11.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        oldParent = t1._evaluate0$_assertInModule$2(t1._evaluate0$__parent, "__parent");
  	      t1._evaluate0$__parent = this.newParent;
  	      t1._evaluate0$_environment.scope$1$2$when(callback, this.node.hasDeclarations, type$.void);
  	      t1._evaluate0$__parent = oldParent;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure12.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        oldAtRootExcludingStyleRule = t1._evaluate0$_atRootExcludingStyleRule;
  	      t1._evaluate0$_atRootExcludingStyleRule = true;
  	      this.innerScope.call$1(callback);
  	      t1._evaluate0$_atRootExcludingStyleRule = oldAtRootExcludingStyleRule;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure13.prototype = {
  	    call$1(callback) {
  	      return this.$this._evaluate0$_withMediaQueries$3(null, null, new A._EvaluateVisitor__scopeForAtRoot__closure1(this.innerScope, callback));
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot__closure1.prototype = {
  	    call$0() {
  	      return this.innerScope.call$1(this.callback);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure14.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        wasInKeyframes = t1._evaluate0$_inKeyframes;
  	      t1._evaluate0$_inKeyframes = false;
  	      this.innerScope.call$1(callback);
  	      t1._evaluate0$_inKeyframes = wasInKeyframes;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure15.prototype = {
  	    call$1($parent) {
  	      return $parent instanceof A.ModifiableCssAtRule0;
  	    },
  	    $signature: 212
  	  };
  	  A._EvaluateVisitor__scopeForAtRoot_closure16.prototype = {
  	    call$1(callback) {
  	      var t1 = this.$this,
  	        wasInUnknownAtRule = t1._evaluate0$_inUnknownAtRule;
  	      t1._evaluate0$_inUnknownAtRule = false;
  	      this.innerScope.call$1(callback);
  	      t1._evaluate0$_inUnknownAtRule = wasInUnknownAtRule;
  	    },
  	    $signature: 35
  	  };
  	  A._EvaluateVisitor_visitContentRule_closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.content.declaration.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	      return null;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitDeclaration_closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this._box_0.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure5.prototype = {
  	    call$1(value) {
  	      var t1 = this.$this,
  	        t2 = this.nodeWithSpan;
  	      return t1._evaluate0$_environment.setLocalVariable$3(this._box_0.variable, t1._evaluate0$_withoutSlash$2(value, t2), t2);
  	    },
  	    $signature: 63
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure6.prototype = {
  	    call$1(value) {
  	      return this.$this._evaluate0$_setMultipleVariables$3(this._box_1.variables, value, this.nodeWithSpan);
  	    },
  	    $signature: 63
  	  };
  	  A._EvaluateVisitor_visitEachRule_closure7.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      return t1._evaluate0$_handleReturn$2(_this.list.get$asList(), new A._EvaluateVisitor_visitEachRule__closure1(t1, _this.setVariables, _this.node));
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitEachRule__closure1.prototype = {
  	    call$1(element) {
  	      var t1;
  	      this.setVariables.call$1(element);
  	      t1 = this.$this;
  	      return t1._evaluate0$_handleReturn$2(this.node.children, new A._EvaluateVisitor_visitEachRule___closure1(t1));
  	    },
  	    $signature: 242
  	  };
  	  A._EvaluateVisitor_visitEachRule___closure1.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 115
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure7.prototype = {
  	    call$1(value) {
  	      return this.$this._evaluate0$_interpolationToValue$3$trim$warnForColor(value, true, true);
  	    },
  	    $signature: 696
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure8.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure9.prototype = {
  	    call$0() {
  	      var t2, t3, _i, _this = this,
  	        t1 = _this.$this,
  	        styleRule = t1._evaluate0$_atRootExcludingStyleRule ? null : t1._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (styleRule == null || t1._evaluate0$_inKeyframes || _this.name.value === "font-face")
  	        for (t2 = _this.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	      else
  	        t1._evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(styleRule._style_rule0$_selector, styleRule.span, false, styleRule.originalSelector), new A._EvaluateVisitor_visitAtRule__closure1(t1, _this.children), false, type$.ModifiableCssStyleRule_2, type$.Null);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule__closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitAtRule_closure10.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitForRule_closure9.prototype = {
  	    call$0() {
  	      return this.node.from.accept$1(this.$this).assertNumber$0();
  	    },
  	    $signature: 243
  	  };
  	  A._EvaluateVisitor_visitForRule_closure10.prototype = {
  	    call$0() {
  	      return this.node.to.accept$1(this.$this).assertNumber$0();
  	    },
  	    $signature: 243
  	  };
  	  A._EvaluateVisitor_visitForRule_closure11.prototype = {
  	    call$0() {
  	      return this.fromNumber.assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure12.prototype = {
  	    call$0() {
  	      var t1 = this.fromNumber;
  	      return this.toNumber.coerce$2(t1.get$numeratorUnits(t1), t1.get$denominatorUnits(t1)).assertInt$0();
  	    },
  	    $signature: 10
  	  };
  	  A._EvaluateVisitor_visitForRule_closure13.prototype = {
  	    call$0() {
  	      var i, t3, t4, t5, t6, t7, t8, _0_0, _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.node,
  	        nodeWithSpan = t1._evaluate0$_expressionNode$1(t2.from);
  	      for (i = _this.from, t3 = _this._box_0, t4 = _this.direction, t5 = t2.variable, t6 = _this.fromNumber, t2 = t2.children; i !== t3.to; i += t4) {
  	        t7 = t1._evaluate0$_environment;
  	        t8 = t6.get$numeratorUnits(t6);
  	        t7.setLocalVariable$3(t5, A.SassNumber_SassNumber$withUnits0(i, t6.get$denominatorUnits(t6), t8), nodeWithSpan);
  	        _0_0 = t1._evaluate0$_handleReturn$2(t2, new A._EvaluateVisitor_visitForRule__closure1(t1));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitForRule__closure1.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 115
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure3.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._evaluate0$_registerCommentsForModule$1(module);
  	      this.$this._evaluate0$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 91
  	  };
  	  A._EvaluateVisitor_visitForwardRule_closure4.prototype = {
  	    call$2(module, firstLoad) {
  	      if (firstLoad)
  	        this.$this._evaluate0$_registerCommentsForModule$1(module);
  	      this.$this._evaluate0$_environment.forwardModule$2(module, this.node);
  	    },
  	    $signature: 91
  	  };
  	  A._EvaluateVisitor__registerCommentsForModule_closure1.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_CssComment_2);
  	    },
  	    $signature: 215
  	  };
  	  A._EvaluateVisitor_visitIfRule_closure1.prototype = {
  	    call$1(clause) {
  	      var t1 = this.$this;
  	      return t1._evaluate0$_environment.scope$1$3$semiGlobal$when(new A._EvaluateVisitor_visitIfRule__closure1(t1, clause), true, clause.hasDeclarations, type$.nullable_Value_2);
  	    },
  	    $signature: 466
  	  };
  	  A._EvaluateVisitor_visitIfRule__closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      return t1._evaluate0$_handleReturn$2(this.clause.children, new A._EvaluateVisitor_visitIfRule___closure1(t1));
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitIfRule___closure1.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 115
  	  };
  	  A._EvaluateVisitor__visitDynamicImport_closure1.prototype = {
  	    call$0() {
  	      var t1, t2, _0_0, stylesheet, importer, isDependency, t3, url, oldImporter, oldStylesheet, oldInDependency, loadsUserDefinedModules, children, t4, t5, t6, t7, t8, t9, t10, t11, environment, module, visitor, _box_0 = {};
  	      _box_0.isDependency = _box_0.importer = _box_0.stylesheet = null;
  	      t1 = this.$this;
  	      t2 = this.$import;
  	      _0_0 = t1._evaluate0$_loadStylesheet$3$forImport(t2.urlString, t2.span, true);
  	      stylesheet = _box_0.stylesheet = _0_0._0;
  	      importer = _0_0._1;
  	      _box_0.importer = importer;
  	      isDependency = _0_0._2;
  	      _box_0.isDependency = isDependency;
  	      t3 = stylesheet.span;
  	      url = t3.get$sourceUrl(t3);
  	      if (url != null) {
  	        t3 = t1._evaluate0$_activeModules;
  	        if (t3.containsKey$1(url)) {
  	          t2 = A.NullableExtension_andThen0(t3.$index(0, url), new A._EvaluateVisitor__visitDynamicImport__closure7(t1));
  	          throw A.wrapException(t2 == null ? t1._evaluate0$_exception$1("This file is already being loaded.") : t2);
  	        }
  	        t3.$indexSet(0, url, t2);
  	      }
  	      t2 = stylesheet._stylesheet1$_uses;
  	      t3 = type$.UnmodifiableListView_UseRule_2;
  	      if (new A.UnmodifiableListView(t2, t3).get$length(0) === 0 && new A.UnmodifiableListView(stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2).get$length(0) === 0) {
  	        oldImporter = t1._evaluate0$_importer;
  	        oldStylesheet = t1._evaluate0$_assertInModule$2(t1._evaluate0$__stylesheet, "_stylesheet");
  	        oldInDependency = t1._evaluate0$_inDependency;
  	        t1._evaluate0$_importer = importer;
  	        t1._evaluate0$__stylesheet = stylesheet;
  	        t1._evaluate0$_inDependency = isDependency;
  	        t1.visitStylesheet$1(0, stylesheet);
  	        t1._evaluate0$_importer = oldImporter;
  	        t1._evaluate0$__stylesheet = oldStylesheet;
  	        t1._evaluate0$_inDependency = oldInDependency;
  	        t1._evaluate0$_activeModules.remove$1(0, url);
  	        return;
  	      }
  	      t2 = new A.UnmodifiableListView(t2, t3);
  	      if (!t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure8())) {
  	        t2 = new A.UnmodifiableListView(stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2);
  	        loadsUserDefinedModules = t2.any$1(t2, new A._EvaluateVisitor__visitDynamicImport__closure9());
  	      } else
  	        loadsUserDefinedModules = true;
  	      children = A._Cell$();
  	      t2 = t1._evaluate0$_environment;
  	      t3 = type$.String;
  	      t4 = type$.Module_Callable_2;
  	      t5 = type$.AstNode_2;
  	      t6 = t2._environment0$_nestedForwardedModules;
  	      t7 = A._setArrayType([], type$.JSArray_Module_Callable_2);
  	      t8 = t2._environment0$_variables;
  	      t8 = A._setArrayType(t8.slice(0), A._arrayInstanceType(t8));
  	      t9 = t2._environment0$_variableNodes;
  	      t9 = A._setArrayType(t9.slice(0), A._arrayInstanceType(t9));
  	      t10 = t2._environment0$_functions;
  	      t10 = A._setArrayType(t10.slice(0), A._arrayInstanceType(t10));
  	      t11 = t2._environment0$_mixins;
  	      t11 = A._setArrayType(t11.slice(0), A._arrayInstanceType(t11));
  	      environment = A.Environment$_0(A.LinkedHashMap_LinkedHashMap$_empty(t3, t4), A.LinkedHashMap_LinkedHashMap$_empty(t3, t5), A.LinkedHashMap_LinkedHashMap$_empty(t4, t5), t2._environment0$_importedModules, null, t6, t7, t8, t9, t10, t11, t2._environment0$_content, t2._environment0$_configurableVariables);
  	      t1._evaluate0$_withEnvironment$2(environment, new A._EvaluateVisitor__visitDynamicImport__closure10(_box_0, t1, loadsUserDefinedModules, environment, children));
  	      module = environment.toDummyModule$0();
  	      t1._evaluate0$_environment.importForwards$1(module);
  	      if (loadsUserDefinedModules) {
  	        if (module.transitivelyContainsCss)
  	          t1._evaluate0$_combineCss$2$clone(module, module.transitivelyContainsExtensions).accept$1(t1);
  	        visitor = new A._ImportedCssVisitor1(t1);
  	        for (t2 = J.get$iterator$ax(children._readLocal$0()); t2.moveNext$0();)
  	          t2.get$current(t2).accept$1(visitor);
  	      }
  	      t1._evaluate0$_activeModules.remove$1(0, url);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure7.prototype = {
  	    call$1(previousLoad) {
  	      return this.$this._evaluate0$_multiSpanException$3("This file is already being loaded.", "new load", A.LinkedHashMap_LinkedHashMap$_literal([previousLoad.get$span(previousLoad), "original load"], type$.FileSpan, type$.String));
  	    },
  	    $signature: 98
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure8.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 142
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure9.prototype = {
  	    call$1(rule) {
  	      return rule.url.get$scheme() !== "sass";
  	    },
  	    $signature: 216
  	  };
  	  A._EvaluateVisitor__visitDynamicImport__closure10.prototype = {
  	    call$0() {
  	      var t3, t4, _this = this,
  	        t1 = _this.$this,
  	        oldImporter = t1._evaluate0$_importer,
  	        oldStylesheet = t1._evaluate0$_assertInModule$2(t1._evaluate0$__stylesheet, "_stylesheet"),
  	        oldRoot = t1._evaluate0$_assertInModule$2(t1._evaluate0$__root, "_root"),
  	        oldParent = t1._evaluate0$_assertInModule$2(t1._evaluate0$__parent, "__parent"),
  	        oldEndOfImports = t1._evaluate0$_assertInModule$2(t1._evaluate0$__endOfImports, "_endOfImports"),
  	        oldOutOfOrderImports = t1._evaluate0$_outOfOrderImports,
  	        oldConfiguration = t1._evaluate0$_configuration,
  	        oldInDependency = t1._evaluate0$_inDependency,
  	        t2 = _this._box_0;
  	      t1._evaluate0$_importer = t2.importer;
  	      t3 = t2.stylesheet;
  	      t1._evaluate0$__stylesheet = t3;
  	      t4 = _this.loadsUserDefinedModules;
  	      if (t4) {
  	        t3 = A.ModifiableCssStylesheet$0(t3.span);
  	        t1._evaluate0$__root = t3;
  	        t1._evaluate0$__parent = t1._evaluate0$_assertInModule$2(t3, "_root");
  	        t1._evaluate0$__endOfImports = 0;
  	        t1._evaluate0$_outOfOrderImports = null;
  	      }
  	      t1._evaluate0$_inDependency = t2.isDependency;
  	      t3 = new A.UnmodifiableListView(t2.stylesheet._stylesheet1$_forwards, type$.UnmodifiableListView_ForwardRule_2);
  	      if (!t3.get$isEmpty(t3))
  	        t1._evaluate0$_configuration = _this.environment.toImplicitConfiguration$0();
  	      t1.visitStylesheet$1(0, t2.stylesheet);
  	      t2 = t4 ? t1._evaluate0$_addOutOfOrderImports$0() : A._setArrayType([], type$.JSArray_ModifiableCssNode_2);
  	      _this.children.__late_helper$_value = t2;
  	      t1._evaluate0$_importer = oldImporter;
  	      t1._evaluate0$__stylesheet = oldStylesheet;
  	      if (t4) {
  	        t1._evaluate0$__root = oldRoot;
  	        t1._evaluate0$__parent = oldParent;
  	        t1._evaluate0$__endOfImports = oldEndOfImports;
  	        t1._evaluate0$_outOfOrderImports = oldOutOfOrderImports;
  	      }
  	      t1._evaluate0$_configuration = oldConfiguration;
  	      t1._evaluate0$_inDependency = oldInDependency;
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__applyMixin_closure3.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      t1._evaluate0$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin__closure4(t1, _this.$arguments, _this.mixin, _this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin__closure4.prototype = {
  	    call$0() {
  	      var _this = this;
  	      _this.$this._evaluate0$_runBuiltInCallable$3(_this.$arguments, _this.mixin, _this.nodeWithSpanWithoutContent);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin_closure4.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this;
  	      t1._evaluate0$_environment.withContent$2(_this.contentCallable, new A._EvaluateVisitor__applyMixin__closure3(t1, _this.mixin, _this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor__applyMixin__closure3.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._evaluate0$_environment.asMixin$1(new A._EvaluateVisitor__applyMixin___closure1(t1, this.mixin, this.nodeWithSpanWithoutContent));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin___closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4, _i;
  	      for (t1 = this.mixin.declaration.children, t2 = t1.length, t3 = this.$this, t4 = this.nodeWithSpanWithoutContent, _i = 0; _i < t2; ++_i)
  	        t3._evaluate0$_addErrorSpan$2(t4, new A._EvaluateVisitor__applyMixin____closure1(t3, t1[_i]));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__applyMixin____closure1.prototype = {
  	    call$0() {
  	      return this.statement.accept$1(this.$this);
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure5.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_environment.getMixin$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 88
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure6.prototype = {
  	    call$1($content) {
  	      var t1 = this.$this;
  	      return new A.UserDefinedCallable0($content, t1._evaluate0$_environment.closure$0(), t1._evaluate0$_inDependency, type$.UserDefinedCallable_Environment_2);
  	    },
  	    $signature: 467
  	  };
  	  A._EvaluateVisitor_visitIncludeRule_closure7.prototype = {
  	    call$0() {
  	      return this.node.get$spanWithoutContent();
  	    },
  	    $signature: 16
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure7.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure8.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._evaluate0$_mergeMediaQueries$2(mediaQueries, this.queries);
  	    },
  	    $signature: 104
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure9.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.mergedQueries;
  	      if (t2 == null)
  	        t2 = _this.queries;
  	      t1._evaluate0$_withMediaQueries$3(t2, _this.mergedSources, new A._EvaluateVisitor_visitMediaRule__closure1(t1, _this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule__closure1.prototype = {
  	    call$0() {
  	      var t2, t3, _i,
  	        t1 = this.$this,
  	        _0_0 = t1._evaluate0$_atRootExcludingStyleRule ? null : t1._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitMediaRule___closure1(t1, this.node), false, type$.ModifiableCssStyleRule_2, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule___closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitMediaRule_closure10.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule0 && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure7.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure8.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure10.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._evaluate0$_withStyleRule$2(this.rule, new A._EvaluateVisitor_visitStyleRule__closure1(t1, this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule__closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitStyleRule_closure9.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__warnForBogusCombinators_closure1.prototype = {
  	    call$1(child) {
  	      return child instanceof A.ModifiableCssComment0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure5.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure6.prototype = {
  	    call$0() {
  	      var t2, t3, _i,
  	        t1 = this.$this,
  	        _0_0 = t1._evaluate0$_atRootExcludingStyleRule ? null : t1._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._evaluate0$_withParent$2$2(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitSupportsRule__closure1(t1, this.node), type$.ModifiableCssStyleRule_2, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	          t2[_i].accept$1(t1);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule__closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _i;
  	      for (t1 = this.node.children, t2 = t1.length, t3 = this.$this, _i = 0; _i < t2; ++_i)
  	        t1[_i].accept$1(t3);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitSupportsRule_closure7.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__visitSupportsCondition_closure1.prototype = {
  	    call$0() {
  	      var t4,
  	        t1 = this.$this,
  	        t2 = this._box_0,
  	        t3 = t2.declaration.name;
  	      t3 = t1._evaluate0$_serialize$3$quote(t3.accept$1(t1), t3, true);
  	      t4 = t2.declaration.get$isCustomProperty() ? "" : " ";
  	      t2 = t2.declaration.value;
  	      return "(" + t3 + ":" + t4 + t1._evaluate0$_serialize$3$quote(t2.accept$1(t1), t2, true) + ")";
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure5.prototype = {
  	    call$0() {
  	      var t1 = this.$this._evaluate0$_environment,
  	        t2 = this._box_0.override;
  	      t1.setVariable$4$global(this.node.name, t2.value, t2.assignmentNode, true);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure6.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitVariableDeclaration_closure7.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      t1._evaluate0$_environment.setVariable$5$global$namespace(t2.name, this.value, t1._evaluate0$_expressionNode$1(t2.expression), t2.isGlobal, t2.namespace);
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitUseRule_closure1.prototype = {
  	    call$2(module, firstLoad) {
  	      var t1, t2, t3, _0_0, t4, t5, span;
  	      if (firstLoad)
  	        this.$this._evaluate0$_registerCommentsForModule$1(module);
  	      t1 = this.$this._evaluate0$_environment;
  	      t2 = this.node;
  	      t3 = t2.namespace;
  	      if (t3 == null) {
  	        t1._environment0$_globalModules.$indexSet(0, module, t2);
  	        t1._environment0$_allModules.push(module);
  	        t1 = B.JSArray_methods.get$first(t1._environment0$_variables);
  	        _0_0 = A.IterableExtension_firstWhereOrNull(t1.get$keys(t1), module.get$variables().get$containsKey());
  	        if (_0_0 != null)
  	          A.throwExpression(A.SassScriptException$0(string$.This_ma + _0_0 + '".', null));
  	      } else {
  	        t4 = t1._environment0$_modules;
  	        if (t4.containsKey$1(t3)) {
  	          t5 = t1._environment0$_namespaceNodes.$index(0, t3);
  	          span = t5 == null ? null : t5.span;
  	          t5 = A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String);
  	          if (span != null)
  	            t5.$indexSet(0, span, "original @use");
  	          A.throwExpression(A.MultiSpanSassScriptException$0(string$.There_ + t3 + '".', "new @use", t5));
  	        }
  	        t4.$indexSet(0, t3, module);
  	        t1._environment0$_namespaceNodes.$indexSet(0, t3, t2);
  	        t1._environment0$_allModules.push(module);
  	      }
  	    },
  	    $signature: 91
  	  };
  	  A._EvaluateVisitor_visitWarnRule_closure1.prototype = {
  	    call$0() {
  	      return this.node.expression.accept$1(this.$this);
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor_visitWhileRule_closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, _0_0;
  	      for (t1 = this.node, t2 = t1.condition, t3 = this.$this, t1 = t1.children; t2.accept$1(t3).get$isTruthy();) {
  	        _0_0 = t3._evaluate0$_handleReturn$2(t1, new A._EvaluateVisitor_visitWhileRule__closure1(t3));
  	        if (_0_0 != null)
  	          return _0_0;
  	      }
  	      return null;
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitWhileRule__closure1.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 115
  	  };
  	  A._EvaluateVisitor_visitBinaryOperationExpression_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.node,
  	        t2 = this.$this,
  	        left = t1.left.accept$1(t2);
  	      switch (t1.operator.index) {
  	        case 0:
  	          t1 = t1.right.accept$1(t2);
  	          t1 = new A.SassString0(A.serializeValue0(left, false, true) + "=" + A.serializeValue0(t1, false, true), false);
  	          break;
  	        case 1:
  	          t1 = left.get$isTruthy() ? left : t1.right.accept$1(t2);
  	          break;
  	        case 2:
  	          t1 = left.get$isTruthy() ? t1.right.accept$1(t2) : left;
  	          break;
  	        case 3:
  	          t1 = left.$eq(0, t1.right.accept$1(t2)) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	          break;
  	        case 4:
  	          t1 = !left.$eq(0, t1.right.accept$1(t2)) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	          break;
  	        case 5:
  	          t1 = left.greaterThan$1(t1.right.accept$1(t2));
  	          break;
  	        case 6:
  	          t1 = left.greaterThanOrEquals$1(t1.right.accept$1(t2));
  	          break;
  	        case 7:
  	          t1 = left.lessThan$1(t1.right.accept$1(t2));
  	          break;
  	        case 8:
  	          t1 = left.lessThanOrEquals$1(t1.right.accept$1(t2));
  	          break;
  	        case 9:
  	          t1 = left.plus$1(t1.right.accept$1(t2));
  	          break;
  	        case 10:
  	          t1 = left.minus$1(t1.right.accept$1(t2));
  	          break;
  	        case 11:
  	          t1 = left.times$1(t1.right.accept$1(t2));
  	          break;
  	        case 12:
  	          t1 = t2._evaluate0$_slash$3(left, t1.right.accept$1(t2), t1);
  	          break;
  	        case 13:
  	          t1 = left.modulo$1(t1.right.accept$1(t2));
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor__slash_recommendation1.prototype = {
  	    call$1(expression) {
  	      var t1;
  	      $label0$0: {
  	        if (expression instanceof A.BinaryOperationExpression0 && B.BinaryOperator_ehp0 === expression.operator) {
  	          t1 = "math.div(" + A.S(this.call$1(expression.left)) + ", " + A.S(this.call$1(expression.right)) + ")";
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.ParenthesizedExpression0) {
  	          t1 = expression.expression.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = expression.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 120
  	  };
  	  A._EvaluateVisitor_visitVariableExpression_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_environment.getVariable$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 42
  	  };
  	  A._EvaluateVisitor_visitUnaryOperationExpression_closure1.prototype = {
  	    call$0() {
  	      var t1, _this = this;
  	      switch (_this.node.operator.index) {
  	        case 0:
  	          t1 = _this.operand.unaryPlus$0();
  	          break;
  	        case 1:
  	          t1 = _this.operand.unaryMinus$0();
  	          break;
  	        case 2:
  	          t1 = new A.SassString0("/" + A.serializeValue0(_this.operand, false, true), false);
  	          break;
  	        case 3:
  	          t1 = _this.operand.unaryNot$0();
  	          break;
  	        default:
  	          t1 = null;
  	      }
  	      return t1;
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor_visitIfExpression_closure1.prototype = {
  	    call$1(pair) {
  	      return pair._0 + ": " + pair._1.toString$0(0);
  	    },
  	    $signature: 217
  	  };
  	  A._EvaluateVisitor_visitIfConditionOperation_closure1.prototype = {
  	    call$1(pair) {
  	      return pair._1;
  	    },
  	    $signature: 218
  	  };
  	  A._EvaluateVisitor_visitListExpression_closure1.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 468
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure5.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_environment.getFunction$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 88
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure6.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(B.C_IsCalculationSafeVisitor0);
  	    },
  	    $signature: 81
  	  };
  	  A._EvaluateVisitor_visitFunctionExpression_closure7.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_runFunctionCallable$3(t1.$arguments, this._box_0.$function, t1);
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor__visitCalculation_closure1.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._evaluate0$_warn$3(message, this.node.span, deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 110
  	  };
  	  A._EvaluateVisitor__checkCalculationArguments_check1.prototype = {
  	    call$1(maxArgs) {
  	      var t1 = this.node,
  	        t2 = t1.$arguments.positional.length;
  	      if (t2 === 0)
  	        throw A.wrapException(this.$this._evaluate0$_exception$2("Missing argument.", t1.span));
  	      else if (maxArgs != null && t2 > maxArgs)
  	        throw A.wrapException(this.$this._evaluate0$_exception$2("Only " + A.S(maxArgs) + " " + A.pluralize0("argument", maxArgs, null) + " allowed, but " + t2 + " " + A.pluralize0("was", t2, "were") + " passed.", t1.span));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    $signature: 82
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression_closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this._box_0,
  	        t3 = _this.node,
  	        t4 = _this.inLegacySassFunction;
  	      return A.SassCalculation_operateInternal0(t1._evaluate0$_binaryOperatorToCalculationOperator$2(t2.operator, t3), t1._evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2.left, t4), t1._evaluate0$_visitCalculationExpression$2$inLegacySassFunction(t2.right, t4), t4, !t1._evaluate0$_inSupportsDeclaration, new A._EvaluateVisitor__visitCalculationExpression__closure1(t1, t3));
  	    },
  	    $signature: 83
  	  };
  	  A._EvaluateVisitor__visitCalculationExpression__closure1.prototype = {
  	    call$2(message, deprecation) {
  	      return this.$this._evaluate0$_warn$3(message, this.node.get$span(0), deprecation);
  	    },
  	    call$1(message) {
  	      return this.call$2(message, null);
  	    },
  	    $signature: 110
  	  };
  	  A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.node;
  	      return this.$this._evaluate0$_runFunctionCallable$3(t1.$arguments, this.$function, t1);
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable_closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.callable;
  	      return t1._evaluate0$_withEnvironment$2(t2.environment.closure$0(), new A._EvaluateVisitor__runUserDefinedCallable__closure1(t1, _this.evaluated, t2, _this.nodeWithSpan, _this.run, _this.V));
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable__closure1.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.V;
  	      return t1._evaluate0$_environment.scope$1$1(new A._EvaluateVisitor__runUserDefinedCallable___closure1(t1, _this.evaluated, _this.callable, _this.nodeWithSpan, _this.run, t2), t2);
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable___closure1.prototype = {
  	    call$0() {
  	      var parameters, t5, minLength, i, parameter, t6, value, t7, t8, restParameter, rest, argumentList, result, parameterWord, _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.evaluated._values,
  	        t3 = _this.callable.declaration.parameters,
  	        t4 = _this.nodeWithSpan;
  	      t1._evaluate0$_verifyArguments$4(t2[2].length, t2[0], t3, t4);
  	      parameters = t3.parameters;
  	      t5 = parameters.length;
  	      minLength = Math.min(t2[2].length, t5);
  	      for (i = 0; i < minLength; ++i)
  	        t1._evaluate0$_environment.setLocalVariable$3(parameters[i].name, t2[2][i], t2[3][i]);
  	      for (i = t2[2].length; i < t5; ++i) {
  	        parameter = parameters[i];
  	        t6 = parameter.name;
  	        value = t2[0].remove$1(0, t6);
  	        if (value == null) {
  	          t7 = parameter.defaultValue;
  	          value = t1._evaluate0$_withoutSlash$2(t7.accept$1(t1), t1._evaluate0$_expressionNode$1(t7));
  	        }
  	        t7 = t1._evaluate0$_environment;
  	        t8 = t2[1].$index(0, t6);
  	        if (t8 == null) {
  	          t8 = parameter.defaultValue;
  	          t8.toString;
  	          t8 = t1._evaluate0$_expressionNode$1(t8);
  	        }
  	        t7.setLocalVariable$3(t6, value, t8);
  	      }
  	      restParameter = t3.restParameter;
  	      if (restParameter != null) {
  	        t6 = t2[2];
  	        rest = t6.length > t5 ? B.JSArray_methods.sublist$1(t6, t5) : B.List_empty23;
  	        t5 = t2[0];
  	        t6 = t2[4];
  	        argumentList = A.SassArgumentList$0(rest, t5, t6 === B.ListSeparator_undecided_null_3_undecided0 ? B.ListSeparator_z0K0 : t6);
  	        t1._evaluate0$_environment.setLocalVariable$3(restParameter, argumentList, t4);
  	      } else
  	        argumentList = null;
  	      result = _this.run.call$0();
  	      if (argumentList == null)
  	        return result;
  	      t5 = t2[0].__js_helper$_length;
  	      if (t5 === 0)
  	        return result;
  	      if (argumentList._argument_list$_wereKeywordsAccessed)
  	        return result;
  	      parameterWord = A.pluralize0("parameter", t5, null);
  	      t2 = t2[0];
  	      t5 = A._instanceType(t2)._eval$1("LinkedHashMapKeysIterable<1>");
  	      throw A.wrapException(A.MultiSpanSassRuntimeException$0("No " + parameterWord + " named " + A.toSentence0(A.MappedIterable_MappedIterable(new A.LinkedHashMapKeysIterable(t2, t5), new A._EvaluateVisitor__runUserDefinedCallable____closure1(), t5._eval$1("Iterable.E"), type$.Object), "or") + ".", t4.get$span(t4), "invocation", A.LinkedHashMap_LinkedHashMap$_literal([t3.get$spanWithName(), "declaration"], type$.FileSpan, type$.String), t1._evaluate0$_stackTrace$1(t4.get$span(t4)), null));
  	    },
  	    $signature() {
  	      return this.V._eval$1("0()");
  	    }
  	  };
  	  A._EvaluateVisitor__runUserDefinedCallable____closure1.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__runFunctionCallable_closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4, _i, $returnValue;
  	      for (t1 = this.callable.declaration, t2 = t1.children, t3 = t2.length, t4 = this.$this, _i = 0; _i < t3; ++_i) {
  	        $returnValue = t2[_i].accept$1(t4);
  	        if ($returnValue instanceof A.Value0)
  	          return $returnValue;
  	      }
  	      throw A.wrapException(t4._evaluate0$_exception$2("Function finished without @return.", t1.span));
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure5.prototype = {
  	    call$0() {
  	      return this._box_0.overload.verify$2(this.evaluated._values[2].length, this.namedSet);
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure6.prototype = {
  	    call$0() {
  	      return this._box_0.callback.call$1(this.evaluated._values[2]);
  	    },
  	    $signature: 46
  	  };
  	  A._EvaluateVisitor__runBuiltInCallable_closure7.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure7.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure8.prototype = {
  	    call$1(value) {
  	      return this.$this._evaluate0$_withoutSlash$2(value, this.restNodeForSpan);
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure9.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restNodeForSpan;
  	      _this.named.$indexSet(0, key, _this.$this._evaluate0$_withoutSlash$2(value, t1));
  	      _this.namedNodes.$indexSet(0, key, t1);
  	    },
  	    $signature: 112
  	  };
  	  A._EvaluateVisitor__evaluateArguments_closure10.prototype = {
  	    call$1(value) {
  	      return value;
  	    },
  	    $signature: 41
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure7.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression0(value, t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure8.prototype = {
  	    call$1(value) {
  	      var t1 = this.restArgs;
  	      return new A.ValueExpression0(this.$this._evaluate0$_withoutSlash$2(value, this.restNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure9.prototype = {
  	    call$2(key, value) {
  	      var _this = this,
  	        t1 = _this.restArgs;
  	      _this.named.$indexSet(0, key, new A.ValueExpression0(_this.$this._evaluate0$_withoutSlash$2(value, _this.restNodeForSpan), t1.get$span(t1)));
  	    },
  	    $signature: 112
  	  };
  	  A._EvaluateVisitor__evaluateMacroArguments_closure10.prototype = {
  	    call$1(value) {
  	      var t1 = this.keywordRestArgs;
  	      return new A.ValueExpression0(this.$this._evaluate0$_withoutSlash$2(value, this.keywordRestNodeForSpan), t1.get$span(t1));
  	    },
  	    $signature: 65
  	  };
  	  A._EvaluateVisitor__addRestMap_closure1.prototype = {
  	    call$2(key, value) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (key instanceof A.SassString0)
  	        _this.values.$indexSet(0, key._string0$_text, _this.convert.call$1(t1._evaluate0$_withoutSlash$2(value, _this.expressionNode)));
  	      else {
  	        t2 = _this.nodeWithSpan;
  	        throw A.wrapException(t1._evaluate0$_exception$2(string$.Variab_ + key.toString$0(0) + " is not a string in " + _this.map.toString$0(0) + ".", t2.get$span(t2)));
  	      }
  	    },
  	    $signature: 117
  	  };
  	  A._EvaluateVisitor__verifyArguments_closure1.prototype = {
  	    call$0() {
  	      return this.parameters.verify$2(this.positional, new A.MapKeySet(this.named, type$.MapKeySet_String));
  	    },
  	    $signature: 0
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure5.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure6.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssAtRule_closure7.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure3.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssKeyframeBlock_closure4.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure7.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure8.prototype = {
  	    call$1(mediaQueries) {
  	      return this.$this._evaluate0$_mergeMediaQueries$2(mediaQueries, this.node.queries);
  	    },
  	    $signature: 104
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure9.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.mergedQueries;
  	      if (t2 == null)
  	        t2 = _this.node.queries;
  	      t1._evaluate0$_withMediaQueries$3(t2, _this.mergedSources, new A._EvaluateVisitor_visitCssMediaRule__closure1(t1, _this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule__closure1.prototype = {
  	    call$0() {
  	      var t2, t3, t4,
  	        t1 = this.$this,
  	        _0_0 = t1._evaluate0$_atRootExcludingStyleRule ? null : t1._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._evaluate0$_withParent$2$3$scopeWhen(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssMediaRule___closure1(t1, this.node), false, type$.ModifiableCssStyleRule_2, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	          t4 = t2.__internal$_current;
  	          (t4 == null ? t3._as(t4) : t4).accept$1(t1);
  	        }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule___closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssMediaRule_closure10.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0)) {
  	        t1 = this.mergedSources;
  	        t1 = t1.get$isNotEmpty(t1) && node instanceof A.ModifiableCssMediaRule0 && B.JSArray_methods.every$1(node.queries, t1.get$contains(t1));
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure4.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      t1._evaluate0$_withStyleRule$2(this.rule, new A._EvaluateVisitor_visitCssStyleRule__closure1(t1, this.node));
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule__closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssStyleRule_closure3.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure5.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure6.prototype = {
  	    call$0() {
  	      var t2, t3, t4,
  	        t1 = this.$this,
  	        _0_0 = t1._evaluate0$_atRootExcludingStyleRule ? null : t1._evaluate0$_styleRuleIgnoringAtRoot;
  	      if (_0_0 != null)
  	        t1._evaluate0$_withParent$2$2(A.ModifiableCssStyleRule$0(_0_0._style_rule0$_selector, _0_0.span, false, _0_0.originalSelector), new A._EvaluateVisitor_visitCssSupportsRule__closure1(t1, this.node), type$.ModifiableCssStyleRule_2, type$.Null);
  	      else
  	        for (t2 = this.node.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	          t4 = t2.__internal$_current;
  	          (t4 == null ? t3._as(t4) : t4).accept$1(t1);
  	        }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule__closure1.prototype = {
  	    call$0() {
  	      var t1, t2, t3, t4;
  	      for (t1 = this.node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t3 = this.$this, t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t4 = t1.__internal$_current;
  	        (t4 == null ? t2._as(t4) : t4).accept$1(t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._EvaluateVisitor_visitCssSupportsRule_closure7.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluateVisitor__performInterpolationHelper_closure1.prototype = {
  	    call$1(targetOffsets) {
  	      return A.InterpolationMap$0(this.interpolation, targetOffsets);
  	    },
  	    $signature: 220
  	  };
  	  A._EvaluateVisitor__serialize_closure1.prototype = {
  	    call$0() {
  	      return A.serializeValue0(this.value, false, this.quote);
  	    },
  	    $signature: 29
  	  };
  	  A._EvaluateVisitor__expressionNode_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.expression;
  	      return this.$this._evaluate0$_environment.getVariableNode$2$namespace(t1.name, t1.namespace);
  	    },
  	    $signature: 221
  	  };
  	  A._EvaluateVisitor__withoutSlash_recommendation1.prototype = {
  	    call$1(number) {
  	      var before, after, t1,
  	        _1_0 = number.asSlash;
  	      $label0$0: {
  	        if (type$.Record_2_nullable_Object_and_nullable_Object._is(_1_0)) {
  	          before = _1_0._0;
  	          after = _1_0._1;
  	          t1 = "math.div(" + A.S(this.call$1(before)) + ", " + A.S(this.call$1(after)) + ")";
  	          break $label0$0;
  	        }
  	        t1 = A.serializeValue0(number, true, true);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 222
  	  };
  	  A._EvaluateVisitor__stackFrame_closure1.prototype = {
  	    call$1(url) {
  	      var t1 = this.$this._evaluate0$_importCache;
  	      t1 = t1 == null ? null : t1.humanize$1(url);
  	      return t1 == null ? url : t1;
  	    },
  	    $signature: 49
  	  };
  	  A._ImportedCssVisitor1.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.isChildless ? null : new A._ImportedCssVisitor_visitCssAtRule_closure1();
  	      this._evaluate0$_visitor._evaluate0$_addChild$2$through(node, t1);
  	    },
  	    visitCssComment$1(node) {
  	      return this._evaluate0$_visitor._evaluate0$_addChild$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      return this._evaluate0$_visitor._evaluate0$_addChild$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      var t2,
  	        _s13_ = "_endOfImports",
  	        t1 = this._evaluate0$_visitor;
  	      if (t1._evaluate0$_assertInModule$2(t1._evaluate0$__parent, "__parent") !== t1._evaluate0$_assertInModule$2(t1._evaluate0$__root, "_root"))
  	        t1._evaluate0$_addChild$1(node);
  	      else if (t1._evaluate0$_assertInModule$2(t1._evaluate0$__endOfImports, _s13_) === J.get$length$asx(t1._evaluate0$_assertInModule$2(t1._evaluate0$__root, "_root").children._collection$_source)) {
  	        t1._evaluate0$_addChild$1(node);
  	        t1._evaluate0$__endOfImports = t1._evaluate0$_assertInModule$2(t1._evaluate0$__endOfImports, _s13_) + 1;
  	      } else {
  	        t2 = t1._evaluate0$_outOfOrderImports;
  	        (t2 == null ? t1._evaluate0$_outOfOrderImports = A._setArrayType([], type$.JSArray_ModifiableCssImport_2) : t2).push(node);
  	      }
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = this._evaluate0$_visitor,
  	        mediaQueries = t1._evaluate0$_mediaQueries;
  	      t1._evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssMediaRule_closure1(mediaQueries == null || t1._evaluate0$_mergeMediaQueries$2(mediaQueries, node.queries) != null));
  	    },
  	    visitCssStyleRule$1(node) {
  	      return this._evaluate0$_visitor._evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssStyleRule_closure1());
  	    },
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3;
  	      for (t1 = node.children, t2 = t1.$ti, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        (t3 == null ? t2._as(t3) : t3).accept$1(this);
  	      }
  	    },
  	    visitCssSupportsRule$1(node) {
  	      return this._evaluate0$_visitor._evaluate0$_addChild$2$through(node, new A._ImportedCssVisitor_visitCssSupportsRule_closure1());
  	    }
  	  };
  	  A._ImportedCssVisitor_visitCssAtRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssMediaRule_closure1.prototype = {
  	    call$1(node) {
  	      var t1;
  	      if (!(node instanceof A.ModifiableCssStyleRule0))
  	        t1 = this.hasBeenMerged && node instanceof A.ModifiableCssMediaRule0;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssStyleRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._ImportedCssVisitor_visitCssSupportsRule_closure1.prototype = {
  	    call$1(node) {
  	      return node instanceof A.ModifiableCssStyleRule0;
  	    },
  	    $signature: 8
  	  };
  	  A._EvaluationContext1.prototype = {
  	    get$currentCallableSpan() {
  	      var _0_0 = this._evaluate0$_visitor._evaluate0$_callableNode;
  	      if (_0_0 != null)
  	        return _0_0.get$span(_0_0);
  	      throw A.wrapException(A.StateError$(string$.No_Sasc));
  	    },
  	    warn$2(_, message, deprecation) {
  	      var t1 = this._evaluate0$_visitor,
  	        t2 = t1._evaluate0$_importSpan;
  	      if (t2 == null) {
  	        t2 = t1._evaluate0$_callableNode;
  	        t2 = t2 == null ? null : t2.get$span(t2);
  	      }
  	      t1._evaluate0$_warn$3(message, t2 == null ? this._evaluate0$_defaultWarnNodeWithSpan.span : t2, deprecation);
  	    },
  	    $isEvaluationContext0: 1
  	  };
  	  A.EveryCssVisitor0.prototype = {
  	    visitCssAtRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssAtRule_closure0(this));
  	    },
  	    visitCssComment$1(node) {
  	      return false;
  	    },
  	    visitCssDeclaration$1(node) {
  	      return false;
  	    },
  	    visitCssImport$1(node) {
  	      return false;
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssKeyframeBlock_closure0(this));
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssMediaRule_closure0(this));
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssStyleRule_closure0(this));
  	    },
  	    visitCssStylesheet$1(node) {
  	      return J.every$1$ax(node.get$children(node), new A.EveryCssVisitor_visitCssStylesheet_closure0(this));
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var t1 = node.children;
  	      return t1.every$1(t1, new A.EveryCssVisitor_visitCssSupportsRule_closure0(this));
  	    }
  	  };
  	  A.EveryCssVisitor_visitCssAtRule_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A.EveryCssVisitor_visitCssKeyframeBlock_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A.EveryCssVisitor_visitCssMediaRule_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A.EveryCssVisitor_visitCssStyleRule_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A.EveryCssVisitor_visitCssStylesheet_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A.EveryCssVisitor_visitCssSupportsRule_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature: 8
  	  };
  	  A._NodeException.prototype = {};
  	  A.exceptionClass_closure.prototype = {
  	    call$0() {
  	      var jsClass = type$.JSClass._as(new self.Function("", "    return class Exception extends Error {\n      constructor(dartException, message) {\n        super(message);\n\n        // Define this as non-enumerable so that it doesn't show up when the\n        // exception hits the top level.\n        Object.defineProperty(this, '_dartException', {\n          value: dartException,\n          enumerable: false\n        });\n      }\n\n      toString() {\n        return this.message;\n      }\n    }\n  ").call$0());
  	      A.defineGetter(jsClass, "name", null, "sass.Exception");
  	      A.LinkedHashMap_LinkedHashMap$_literal(["sassMessage", new A.exceptionClass__closure(), "sassStack", new A.exceptionClass__closure0(), "span", new A.exceptionClass__closure1()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.exceptionClass__closure.prototype = {
  	    call$1(exception) {
  	      return J.get$_dartException$x(exception)._span_exception$_message;
  	    },
  	    $signature: 244
  	  };
  	  A.exceptionClass__closure0.prototype = {
  	    call$1(exception) {
  	      return J.get$trace$z(J.get$_dartException$x(exception)).toString$0(0);
  	    },
  	    $signature: 244
  	  };
  	  A.exceptionClass__closure1.prototype = {
  	    call$1(exception) {
  	      var t1 = J.get$_dartException$x(exception),
  	        t2 = J.getInterceptor$x(t1);
  	      return A.SourceSpanException.prototype.get$span.call(t2, t1);
  	    },
  	    $signature: 470
  	  };
  	  A.SassException0.prototype = {
  	    get$trace(_) {
  	      return A.Trace$(A._setArrayType([A.frameForSpan0(A.SourceSpanException.prototype.get$span.call(this, 0), "root stylesheet", null)], type$.JSArray_Frame), null);
  	    },
  	    get$span(_) {
  	      return A.SourceSpanException.prototype.get$span.call(this, 0);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      return A.MultiSpanSassException$0(this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), this.loadedUrls);
  	    },
  	    withTrace$1(trace) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(this.loadedUrls, type$.Uri);
  	      return new A.SassRuntimeException0(trace, t2, this._span_exception$_message, t1);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassException0(t2, this._span_exception$_message, t1);
  	    },
  	    toString$1$color(_, color) {
  	      var t2, _i, frame, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        t1 = "Error: " + _this._span_exception$_message + "\n";
  	      buffer._contents = t1;
  	      buffer._contents = t1 + A.SourceSpanException.prototype.get$span.call(_this, 0).highlight$1$color(color);
  	      for (t1 = _this.get$trace(_this).toString$0(0).split("\n"), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        frame = t1[_i];
  	        if (frame.length === 0)
  	          continue;
  	        buffer._contents = (buffer._contents += "\n") + ("  " + frame);
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    toString$0(_) {
  	      return this.toString$1$color(0, null);
  	    }
  	  };
  	  A.MultiSpanSassException0.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassException$0(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.loadedUrls);
  	    },
  	    withTrace$1(trace) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$0(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassException$0(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, loadedUrls);
  	    },
  	    toString$1$color(_, color) {
  	      var t1, t2, _i, frame, _this = this,
  	        useColor = color === true,
  	        buffer = new A.StringBuffer("Error: " + _this._span_exception$_message + "\n");
  	      A.NullableExtension_andThen0(A.Highlighter$multiple(A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, useColor, null, null).highlight$0(), buffer.get$write(buffer));
  	      for (t1 = _this.get$trace(_this).toString$0(0).split("\n"), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        frame = t1[_i];
  	        if (frame.length === 0)
  	          continue;
  	        buffer._contents = (buffer._contents += "\n") + ("  " + frame);
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    toString$0(_) {
  	      return this.toString$1$color(0, null);
  	    },
  	    get$primaryLabel() {
  	      return this.primaryLabel;
  	    },
  	    get$secondarySpans() {
  	      return this.secondarySpans;
  	    }
  	  };
  	  A.SassRuntimeException0.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$0(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), _this.trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassRuntimeException0(this.trace, t2, this._span_exception$_message, t1);
  	    },
  	    get$trace(receiver) {
  	      return this.trace;
  	    }
  	  };
  	  A.MultiSpanSassRuntimeException0.prototype = {
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassRuntimeException$0(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.trace, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassRuntimeException$0(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, _this.trace, loadedUrls);
  	    },
  	    $isSassRuntimeException0: 1,
  	    get$trace(receiver) {
  	      return this.trace;
  	    }
  	  };
  	  A.SassFormatException0.prototype = {
  	    get$source() {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0);
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      return A.MultiSpanSassFormatException$0(this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(this, 0), "", A.LinkedHashMap_LinkedHashMap$_literal([span, label], type$.FileSpan, type$.String), this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0),
  	        t2 = A.Set_Set$unmodifiable(loadedUrls, type$.Uri);
  	      return new A.SassFormatException0(t2, this._span_exception$_message, t1);
  	    },
  	    $isFormatException: 1,
  	    $isSourceSpanFormatException: 1
  	  };
  	  A.MultiSpanSassFormatException0.prototype = {
  	    get$source() {
  	      var t1 = A.SourceSpanException.prototype.get$span.call(this, 0);
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null);
  	    },
  	    withAdditionalSpan$2(span, label) {
  	      var _this = this,
  	        t1 = A.SourceSpanException.prototype.get$span.call(_this, 0),
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(_this.secondarySpans, type$.FileSpan, type$.String);
  	      t2.$indexSet(0, span, label);
  	      return A.MultiSpanSassFormatException$0(_this._span_exception$_message, t1, _this.primaryLabel, t2, _this.loadedUrls);
  	    },
  	    withLoadedUrls$1(loadedUrls) {
  	      var _this = this;
  	      return A.MultiSpanSassFormatException$0(_this._span_exception$_message, A.SourceSpanException.prototype.get$span.call(_this, 0), _this.primaryLabel, _this.secondarySpans, loadedUrls);
  	    },
  	    $isFormatException: 1,
  	    $isSourceSpanFormatException: 1,
  	    $isMultiSourceSpanFormatException: 1,
  	    $isSassFormatException0: 1
  	  };
  	  A.SassScriptException0.prototype = {
  	    withSpan$1(span) {
  	      return new A.SassException0(B.Set_empty, this.message, span);
  	    },
  	    toString$0(_) {
  	      return this.message + string$.x0a_BUG_;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A.MultiSpanSassScriptException0.prototype = {
  	    withSpan$1(span) {
  	      return A.MultiSpanSassException$0(this.message, span, this.primaryLabel, this.secondarySpans, null);
  	    }
  	  };
  	  A.Exports.prototype = {};
  	  A.LoggerNamespace.prototype = {};
  	  A.Expression0.prototype = {$isAstNode0: 1, $isSassNode: 1};
  	  A.JSExpressionVisitor.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return J.visitBinaryOperationExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return J.visitBooleanExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitColorExpression$1(_, node) {
  	      return J.visitColorExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return J.visitInterpolatedFunctionExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return J.visitFunctionExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitIfExpression$1(_, node) {
  	      return J.visitIfExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return J.visitLegacyIfExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitListExpression$1(_, node) {
  	      return J.visitListExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitMapExpression$1(_, node) {
  	      return J.visitMapExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitNullExpression$1(_, node) {
  	      return J.visitNullExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return J.visitNumberExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return J.visitParenthesizedExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return J.visitSelectorExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitStringExpression$1(_, node) {
  	      return J.visitStringExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return J.visitSupportsExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return J.visitUnaryOperationExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitValueExpression$1(_, node) {
  	      return J.visitValueExpression$1$x(this._expression$_inner, node);
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return J.visitVariableExpression$1$x(this._expression$_inner, node);
  	    },
  	    $isExpressionVisitor: 1
  	  };
  	  A.JSExpressionVisitorObject.prototype = {};
  	  A._MakeExpressionCalculationSafe0.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      var t1, t2;
  	      if (node.operator === B.BinaryOperator_bgA0) {
  	        t1 = A.ArgumentList$0(A._setArrayType([node], type$.JSArray_Expression_2), B.Map_empty14, B.Map_empty5, node.get$span(0), null, null);
  	        t2 = node.get$span(0);
  	        t1 = new A.FunctionExpression0("math", A.stringReplaceAllUnchecked("max", "_", "-"), "max", t1, t2);
  	      } else
  	        t1 = this.super$ReplaceExpressionVisitor$visitBinaryOperationExpression0(0, node);
  	      return t1;
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return node;
  	    },
  	    visitIfExpression$1(_, node) {
  	      return node;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      var t1,
  	        _0_0 = node.operator;
  	      $label0$0: {
  	        if (B.UnaryOperator_n2K0 === _0_0) {
  	          t1 = node.operand;
  	          break $label0$0;
  	        }
  	        if (B.UnaryOperator_hCO0 === _0_0) {
  	          t1 = new A.BinaryOperationExpression0(B.BinaryOperator_wkM0, new A.NumberExpression0(-1, null, node.span), node.operand, false);
  	          break $label0$0;
  	        }
  	        t1 = this.super$ReplaceExpressionVisitor$visitUnaryOperationExpression0(0, node);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $isExpressionVisitor: 1,
  	    $isIfConditionExpressionVisitor: 1
  	  };
  	  A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0.prototype = {};
  	  A.ExtendRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitExtendRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.selector.toString$0(0),
  	        t2 = this.isOptional ? " !optional" : "";
  	      return "@extend " + t1 + t2 + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Extension0.prototype = {
  	    toString$0(_) {
  	      var t1 = this.extender.toString$0(0),
  	        t2 = this.target.toString$0(0),
  	        t3 = this.isOptional ? " !optional" : "";
  	      return t1 + " {@extend " + t2 + t3 + "}";
  	    }
  	  };
  	  A.Extender0.prototype = {
  	    assertCompatibleMediaContext$1(mediaContext) {
  	      var expectedMediaContext,
  	        extension = this._extension$_extension;
  	      if (extension == null)
  	        return;
  	      expectedMediaContext = extension.mediaContext;
  	      if (expectedMediaContext == null)
  	        return;
  	      if (mediaContext != null && B.C_ListEquality.equals$2(0, expectedMediaContext, mediaContext))
  	        return;
  	      throw A.wrapException(A.SassException$0(string$.You_ma, extension.span, null));
  	    },
  	    toString$0(_) {
  	      return A.serializeSelector0(this.selector, true);
  	    }
  	  };
  	  A.ExtensionStore0.prototype = {
  	    get$isEmpty(_) {
  	      return this._extension_store$_extensions.__js_helper$_length === 0;
  	    },
  	    get$simpleSelectors() {
  	      return new A.MapKeySet(this._extension_store$_selectors, type$.MapKeySet_SimpleSelector_2);
  	    },
  	    extensionsWhereTarget$1(callback) {
  	      return new A._SyncStarIterable(this.extensionsWhereTarget$body$ExtensionStore0(callback), type$._SyncStarIterable_Extension_2);
  	    },
  	    extensionsWhereTarget$body$ExtensionStore0($async$callback) {
  	      var $async$self = this;
  	      return function() {
  	        var callback = $async$callback;
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, simple, sources, t3;
  	        return function $async$extensionsWhereTarget$1($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = A.MapExtensions_get_pairs0($async$self._extension_store$_extensions, type$.SimpleSelector_2, type$.Map_ComplexSelector_Extension_2), t1 = t1.get$iterator(t1);
  	              case 2:
  	                // for condition
  	                if (!t1.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 3;
  	                  break;
  	                }
  	                t2 = t1.get$current(t1);
  	                simple = t2._0;
  	                sources = t2._1;
  	                if (!callback.call$1(simple)) {
  	                  // goto for condition
  	                  $async$goto = 2;
  	                  break;
  	                }
  	                t2 = sources.get$values(sources), t2 = t2.get$iterator(t2);
  	              case 4:
  	                // for condition
  	                if (!t2.moveNext$0()) {
  	                  // goto after for
  	                  $async$goto = 5;
  	                  break;
  	                }
  	                t3 = t2.get$current(t2);
  	                $async$goto = t3 instanceof A.MergedExtension0 ? 6 : 8;
  	                break;
  	              case 6:
  	                // then
  	                t3 = t3.unmerge$0();
  	                $async$goto = 9;
  	                return $async$iterator._yieldStar$1(new A.WhereIterable(t3, new A.ExtensionStore_extensionsWhereTarget_closure0(), t3.$ti._eval$1("WhereIterable<Iterable.E>")));
  	              case 9:
  	                // after yield
  	                // goto join
  	                $async$goto = 7;
  	                break;
  	              case 8:
  	                // else
  	                $async$goto = !t3.isOptional ? 10 : 11;
  	                break;
  	              case 10:
  	                // then
  	                $async$goto = 12;
  	                return $async$iterator._async$_current = t3, 1;
  	              case 12:
  	                // after yield
  	              case 11:
  	                // join
  	              case 7:
  	                // join
  	                // goto for condition
  	                $async$goto = 4;
  	                break;
  	              case 5:
  	                // after for
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 3:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    addSelector$2(selector, mediaContext) {
  	      var originalSelector, error, stackTrace, t1, t2, t3, t4, modifiableSelector, _this = this;
  	      selector = selector;
  	      originalSelector = selector;
  	      if (!originalSelector.accept$1(B._IsInvisibleVisitor_true0))
  	        _this._extension_store$_originals.addAll$1(0, originalSelector.components);
  	      t1 = _this._extension_store$_extensions;
  	      if (t1.__js_helper$_length !== 0)
  	        try {
  	          selector = _this._extension_store$_extendList$3(originalSelector, t1, mediaContext);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (t1 instanceof A.SassException0) {
  	            error = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            t1 = error;
  	            t2 = J.getInterceptor$x(t1);
  	            t1 = A.SourceSpanException.prototype.get$span.call(t2, t1).message$1(0, "");
  	            t2 = error._span_exception$_message;
  	            t3 = error;
  	            t4 = J.getInterceptor$x(t3);
  	            t3 = A.SourceSpanException.prototype.get$span.call(t4, t3);
  	            A.throwWithTrace0(new A.SassException0(B.Set_empty, "From " + t1 + "\n" + t2, t3), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      modifiableSelector = new A.ModifiableBox0(selector, type$.ModifiableBox_SelectorList_2);
  	      if (mediaContext != null)
  	        _this._extension_store$_mediaContexts.$indexSet(0, modifiableSelector, mediaContext);
  	      _this._extension_store$_registerSelector$2(selector, modifiableSelector);
  	      return new A.Box0(modifiableSelector, type$.Box_SelectorList_2);
  	    },
  	    _extension_store$_registerSelector$2(list, selector) {
  	      var t1, t2, t3, t4, _i, t5, t6, _i0, t7, t8, _i1, simple, _0_2_isSet, _0_2, t9, selectorInPseudo;
  	      for (t1 = list.components, t2 = t1.length, t3 = this._extension_store$_selectors, t4 = type$.SelectorList_2, _i = 0; _i < t2; ++_i)
  	        for (t5 = t1[_i].components, t6 = t5.length, _i0 = 0; _i0 < t6; ++_i0)
  	          for (t7 = t5[_i0].selector.components, t8 = t7.length, _i1 = 0; _i1 < t8; ++_i1) {
  	            simple = t7[_i1];
  	            t3.putIfAbsent$2(simple, new A.ExtensionStore__registerSelector_closure0()).add$1(0, selector);
  	            _0_2_isSet = simple instanceof A.PseudoSelector0;
  	            _0_2 = null;
  	            if (_0_2_isSet) {
  	              _0_2 = simple.selector;
  	              t9 = _0_2;
  	              t9 = t9 != null;
  	            } else
  	              t9 = false;
  	            if (t9) {
  	              selectorInPseudo = _0_2_isSet ? _0_2 : simple.selector;
  	              this._extension_store$_registerSelector$2(selectorInPseudo == null ? t4._as(selectorInPseudo) : selectorInPseudo, selector);
  	            }
  	          }
  	    },
  	    addExtension$4(extender, target, extend, mediaContext) {
  	      var t2, t3, t4, t5, t6, t7, t8, t9, t10, newExtensions, _i, complex, t11, extension, _0_0, t12, newExtensionsByTarget, additionalExtensions, _this = this,
  	        selectors = _this._extension_store$_selectors.$index(0, target),
  	        t1 = _this._extension_store$_extensionsByExtender,
  	        existingExtensions = t1.$index(0, target),
  	        sources = _this._extension_store$_extensions.putIfAbsent$2(target, new A.ExtensionStore_addExtension_closure2());
  	      for (t2 = extender.components, t3 = t2.length, t4 = selectors == null, t5 = _this._extension_store$_sourceSpecificity, t6 = extend.span, t7 = extend.isOptional, t8 = existingExtensions != null, t9 = type$.ComplexSelector_2, t10 = type$.Extension_2, newExtensions = null, _i = 0; _i < t3; ++_i) {
  	        complex = t2[_i];
  	        if (complex.accept$1(B.C__IsUselessVisitor0))
  	          continue;
  	        complex.get$specificity();
  	        t11 = new A.Extender0(complex, false);
  	        extension = t11._extension$_extension = new A.Extension0(t11, target, mediaContext, t7, t6);
  	        _0_0 = sources.$index(0, complex);
  	        if (_0_0 != null) {
  	          sources.$indexSet(0, complex, A.MergedExtension_merge0(_0_0, extension));
  	          continue;
  	        }
  	        sources.$indexSet(0, complex, extension);
  	        for (t11 = new A._SyncStarIterator(_this._extension_store$_simpleSelectors$1(complex)._outerHelper()); t11.moveNext$0();) {
  	          t12 = t11._async$_current;
  	          J.add$1$ax(t1.putIfAbsent$2(t12, new A.ExtensionStore_addExtension_closure3()), extension);
  	          t5.putIfAbsent$2(t12, new A.ExtensionStore_addExtension_closure4(complex));
  	        }
  	        if (!t4 || t8) {
  	          if (newExtensions == null)
  	            newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t9, t10);
  	          newExtensions.$indexSet(0, complex, extension);
  	        }
  	      }
  	      if (newExtensions == null)
  	        return;
  	      t1 = type$.SimpleSelector_2;
  	      newExtensionsByTarget = A.LinkedHashMap_LinkedHashMap$_literal([target, newExtensions], t1, type$.Map_ComplexSelector_Extension_2);
  	      if (t8) {
  	        additionalExtensions = _this._extension_store$_extendExistingExtensions$2(existingExtensions, newExtensionsByTarget);
  	        if (additionalExtensions != null)
  	          A.mapAddAll20(newExtensionsByTarget, additionalExtensions, t1, t9, t10);
  	      }
  	      if (!t4)
  	        _this._extension_store$_extendExistingSelectors$2(selectors, newExtensionsByTarget);
  	    },
  	    _extension_store$_simpleSelectors$1(complex) {
  	      return new A._SyncStarIterable(this._simpleSelectors$body$ExtensionStore0(complex), type$._SyncStarIterable_SimpleSelector_2);
  	    },
  	    _simpleSelectors$body$ExtensionStore0($async$complex) {
  	      var $async$self = this;
  	      return function() {
  	        var complex = $async$complex;
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], t1, t2, t3, _i, t4, t5, _i0, simple, _0_2_isSet, _0_2, t6, selector, t7, _i1;
  	        return function $async$_extension_store$_simpleSelectors$1($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                t1 = complex.components, t2 = t1.length, t3 = type$.SelectorList_2, _i = 0;
  	              case 2:
  	                // for condition
  	                if (!(_i < t2)) {
  	                  // goto after for
  	                  $async$goto = 4;
  	                  break;
  	                }
  	                t4 = t1[_i].selector.components, t5 = t4.length, _i0 = 0;
  	              case 5:
  	                // for condition
  	                if (!(_i0 < t5)) {
  	                  // goto after for
  	                  $async$goto = 7;
  	                  break;
  	                }
  	                simple = t4[_i0];
  	                $async$goto = 8;
  	                return $async$iterator._async$_current = simple, 1;
  	              case 8:
  	                // after yield
  	                _0_2_isSet = simple instanceof A.PseudoSelector0;
  	                _0_2 = null;
  	                if (_0_2_isSet) {
  	                  _0_2 = simple.selector;
  	                  t6 = _0_2;
  	                  t6 = t6 != null;
  	                } else
  	                  t6 = false;
  	                $async$goto = t6 ? 9 : 10;
  	                break;
  	              case 9:
  	                // then
  	                selector = _0_2_isSet ? _0_2 : simple.selector;
  	                t6 = (selector == null ? t3._as(selector) : selector).components, t7 = t6.length, _i1 = 0;
  	              case 11:
  	                // for condition
  	                if (!(_i1 < t7)) {
  	                  // goto after for
  	                  $async$goto = 13;
  	                  break;
  	                }
  	                $async$goto = 14;
  	                return $async$iterator._yieldStar$1($async$self._extension_store$_simpleSelectors$1(t6[_i1]));
  	              case 14:
  	                // after yield
  	              case 12:
  	                // for update
  	                ++_i1;
  	                // goto for condition
  	                $async$goto = 11;
  	                break;
  	              case 13:
  	                // after for
  	              case 10:
  	                // join
  	              case 6:
  	                // for update
  	                ++_i0;
  	                // goto for condition
  	                $async$goto = 5;
  	                break;
  	              case 7:
  	                // after for
  	              case 3:
  	                // for update
  	                ++_i;
  	                // goto for condition
  	                $async$goto = 2;
  	                break;
  	              case 4:
  	                // after for
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    },
  	    _extension_store$_extendExistingExtensions$2(extensions, newExtensions) {
  	      var extension, selectors, error, stackTrace, t1, t2, t3, t4, t5, t6, additionalExtensions, _i, t7, t8, t9, selectors0, t10, t11, t12, t13, t14, withExtender, _0_0, _i0, _i1;
  	      for (t1 = J.toList$0$ax(extensions), t2 = t1.length, t3 = this._extension_store$_extensionsByExtender, t4 = type$.SimpleSelector_2, t5 = type$.Map_ComplexSelector_Extension_2, t6 = this._extension_store$_extensions, additionalExtensions = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        extension = t1[_i];
  	        t7 = t6.$index(0, extension.target);
  	        t7.toString;
  	        selectors = null;
  	        try {
  	          selectors = this._extension_store$_extendComplex$3(extension.extender.selector, newExtensions, extension.mediaContext);
  	          if (selectors == null)
  	            continue;
  	        } catch (exception) {
  	          t8 = A.unwrapException(exception);
  	          if (t8 instanceof A.SassException0) {
  	            error = t8;
  	            stackTrace = A.getTraceFromException(exception);
  	            A.throwWithTrace0(error.withAdditionalSpan$2(extension.extender.selector.span, "target selector"), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	        t8 = J.get$first$ax(selectors);
  	        t9 = extension.extender.selector;
  	        if (B.C_ListEquality.equals$2(0, t8.leadingCombinators, t9.leadingCombinators) && B.C_ListEquality.equals$2(0, t8.components, t9.components)) {
  	          t8 = selectors;
  	          t9 = A._arrayInstanceType(t8);
  	          selectors0 = new A.SubListIterable(t8, 1, null, t9._eval$1("SubListIterable<1>"));
  	          selectors0.SubListIterable$3(t8, 1, null, t9._precomputed1);
  	          selectors = selectors0;
  	        }
  	        for (t8 = J.get$iterator$ax(selectors); t8.moveNext$0();) {
  	          t9 = t8.get$current(t8);
  	          t10 = extension;
  	          t11 = t10.target;
  	          t12 = t10.span;
  	          t13 = t10.mediaContext;
  	          t10 = t10.isOptional;
  	          t9.get$specificity();
  	          t14 = new A.Extender0(t9, false);
  	          withExtender = t14._extension$_extension = new A.Extension0(t14, t11, t13, t10, t12);
  	          _0_0 = t7.$index(0, t9);
  	          if (_0_0 != null)
  	            t7.$indexSet(0, t9, A.MergedExtension_merge0(_0_0, withExtender));
  	          else {
  	            t7.$indexSet(0, t9, withExtender);
  	            for (t10 = t9.components, t11 = t10.length, _i0 = 0; _i0 < t11; ++_i0)
  	              for (t12 = t10[_i0].selector.components, t13 = t12.length, _i1 = 0; _i1 < t13; ++_i1)
  	                J.add$1$ax(t3.putIfAbsent$2(t12[_i1], new A.ExtensionStore__extendExistingExtensions_closure1()), withExtender);
  	            if (newExtensions.containsKey$1(extension.target)) {
  	              if (additionalExtensions == null)
  	                additionalExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t4, t5);
  	              additionalExtensions.putIfAbsent$2(extension.target, new A.ExtensionStore__extendExistingExtensions_closure2()).$indexSet(0, t9, withExtender);
  	            }
  	          }
  	        }
  	      }
  	      return additionalExtensions;
  	    },
  	    _extension_store$_extendExistingSelectors$2(selectors, newExtensions) {
  	      var selector, error, stackTrace, t1, t2, oldValue, t3, t4, t5, t6;
  	      for (t1 = selectors.get$iterator(selectors), t2 = this._extension_store$_mediaContexts; t1.moveNext$0();) {
  	        selector = t1.get$current(t1);
  	        oldValue = selector.value;
  	        try {
  	          selector.value = this._extension_store$_extendList$3(selector.value, newExtensions, t2.$index(0, selector));
  	        } catch (exception) {
  	          t3 = A.unwrapException(exception);
  	          if (t3 instanceof A.SassException0) {
  	            error = t3;
  	            stackTrace = A.getTraceFromException(exception);
  	            t3 = selector.value.span.message$1(0, "");
  	            t4 = error._span_exception$_message;
  	            t5 = error;
  	            t6 = J.getInterceptor$x(t5);
  	            t5 = A.SourceSpanException.prototype.get$span.call(t6, t5);
  	            A.throwWithTrace0(new A.SassException0(B.Set_empty, "From " + t3 + "\n" + t4, t5), error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	        if (oldValue === selector.value)
  	          continue;
  	        this._extension_store$_registerSelector$2(selector.value, selector);
  	      }
  	    },
  	    addExtensions$1(extensionStores) {
  	      var t1, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, newExtensions, selectorsToExtend, extensionsToExtend, t12, t13, target, newSources, first, extensionsForTarget, t14, selectorsForTarget, t15, _2_0, t16, extender, extension, _this = this, _null = null;
  	      for (t1 = J.get$iterator$ax(extensionStores), t2 = type$.SimpleSelector_2, t3 = type$.Map_ComplexSelector_Extension_2, t4 = _this._extension_store$_extensions, t5 = type$.ComplexSelector_2, t6 = type$.Extension_2, t7 = _this._extension_store$_selectors, t8 = _this._extension_store$_extensionsByExtender, t9 = type$.JSArray_Extension_2, t10 = type$.ModifiableBox_SelectorList_2, t11 = _this._extension_store$_sourceSpecificity, newExtensions = _null, selectorsToExtend = newExtensions, extensionsToExtend = selectorsToExtend; t1.moveNext$0();) {
  	        t12 = t1.get$current(t1);
  	        if (t12.get$isEmpty(t12))
  	          continue;
  	        t11.addAll$1(0, t12.get$_extension_store$_sourceSpecificity());
  	        for (t12 = A.MapExtensions_get_pairs0(t12.get$_extension_store$_extensions(), t2, t3), t12 = t12.get$iterator(t12); t12.moveNext$0();) {
  	          t13 = t12.get$current(t12);
  	          target = t13._0;
  	          newSources = t13._1;
  	          if (target instanceof A.PlaceholderSelector0) {
  	            first = target.name.charCodeAt(0);
  	            t13 = first === 45 || first === 95;
  	          } else
  	            t13 = false;
  	          if (t13)
  	            continue;
  	          extensionsForTarget = t8.$index(0, target);
  	          t13 = extensionsForTarget == null;
  	          if (!t13) {
  	            if (extensionsToExtend == null) {
  	              extensionsToExtend = A._setArrayType([], t9);
  	              t14 = extensionsToExtend;
  	            } else
  	              t14 = extensionsToExtend;
  	            B.JSArray_methods.addAll$1(t14, extensionsForTarget);
  	          }
  	          selectorsForTarget = t7.$index(0, target);
  	          t14 = selectorsForTarget != null;
  	          if (t14) {
  	            if (selectorsToExtend == null) {
  	              selectorsToExtend = A.LinkedHashSet_LinkedHashSet$_empty(t10);
  	              t15 = selectorsToExtend;
  	            } else
  	              t15 = selectorsToExtend;
  	            t15.addAll$1(0, selectorsForTarget);
  	          }
  	          _2_0 = t4.$index(0, target);
  	          if (_2_0 != null)
  	            for (t15 = A.MapExtensions_get_pairs0(newSources, t5, t6), t15 = t15.get$iterator(t15); t15.moveNext$0();) {
  	              t16 = t15.get$current(t15);
  	              extender = t16._0;
  	              extension = t16._1;
  	              if (_2_0.containsKey$1(extender)) {
  	                t16 = _2_0.$index(0, extender);
  	                extension = A.MergedExtension_merge0(t16 == null ? t6._as(t16) : t16, extension);
  	                _2_0.$indexSet(0, extender, extension);
  	              } else
  	                _2_0.$indexSet(0, extender, extension);
  	              if (!t13 || t14) {
  	                if (newExtensions == null) {
  	                  newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	                  t16 = newExtensions;
  	                } else
  	                  t16 = newExtensions;
  	                t16.putIfAbsent$2(target, new A.ExtensionStore_addExtensions_closure0()).$indexSet(0, extender, extension);
  	              }
  	            }
  	          else {
  	            t15 = A.LinkedHashMap_LinkedHashMap(_null, _null, _null, t5, t6);
  	            t15.addAll$1(0, newSources);
  	            t4.$indexSet(0, target, t15);
  	            if (!t13 || t14) {
  	              if (newExtensions == null) {
  	                newExtensions = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	                t13 = newExtensions;
  	              } else
  	                t13 = newExtensions;
  	              t14 = A.LinkedHashMap_LinkedHashMap(_null, _null, _null, t5, t6);
  	              t14.addAll$1(0, newSources);
  	              t13.$indexSet(0, target, t14);
  	            }
  	          }
  	        }
  	      }
  	      if (newExtensions != null) {
  	        if (extensionsToExtend != null)
  	          _this._extension_store$_extendExistingExtensions$2(extensionsToExtend, newExtensions);
  	        if (selectorsToExtend != null)
  	          _this._extension_store$_extendExistingSelectors$2(selectorsToExtend, newExtensions);
  	      }
  	    },
  	    _extension_store$_extendList$3(list, extensions, mediaQueryContext) {
  	      var t1, t2, t3, extended, i, complex, result, t4;
  	      for (t1 = list.components, t2 = t1.length, t3 = type$.JSArray_ComplexSelector_2, extended = null, i = 0; i < t2; ++i) {
  	        complex = t1[i];
  	        result = this._extension_store$_extendComplex$3(complex, extensions, mediaQueryContext);
  	        if (result == null) {
  	          if (extended != null)
  	            extended.push(complex);
  	        } else {
  	          if (extended == null)
  	            if (i === 0)
  	              extended = A._setArrayType([], t3);
  	            else {
  	              t4 = B.JSArray_methods.sublist$2(t1, 0, i);
  	              extended = A._setArrayType(t4.slice(0), A._arrayInstanceType(t4));
  	            }
  	          B.JSArray_methods.addAll$1(extended, result);
  	        }
  	      }
  	      if (extended == null)
  	        return list;
  	      t1 = this._extension_store$_originals;
  	      return A.SelectorList$0(this._extension_store$_trim$2(extended, t1.get$contains(t1)), list.span);
  	    },
  	    _extension_store$_extendList$2(list, extensions) {
  	      return this._extension_store$_extendList$3(list, extensions, null);
  	    },
  	    _extension_store$_extendComplex$3(complex, extensions, mediaQueryContext) {
  	      var isOriginal, t3, t4, t5, t6, t7, t8, t9, t10, extendedNotExpanded, i, component, extended, t11, t12, t13, t14, _box_0 = {},
  	        t1 = complex.leadingCombinators,
  	        t2 = t1.length;
  	      if (t2 > 1)
  	        return null;
  	      isOriginal = this._extension_store$_originals.contains$1(0, complex);
  	      for (t3 = complex.components, t4 = t3.length, t5 = type$.JSArray_List_ComplexSelector_2, t6 = complex.lineBreak, t7 = !t6, t8 = complex.span, t9 = type$.JSArray_ComplexSelector_2, t2 = t2 === 0, t10 = type$.JSArray_ComplexSelectorComponent_2, extendedNotExpanded = null, i = 0; i < t4; ++i) {
  	        component = t3[i];
  	        extended = this._extension_store$_extendCompound$4$inOriginal(component, extensions, mediaQueryContext, isOriginal);
  	        if (extended == null) {
  	          if (extendedNotExpanded != null)
  	            extendedNotExpanded.push(A._setArrayType([A.ComplexSelector$0(B.List_empty17, A._setArrayType([component], t10), t8, t6)], t9));
  	        } else if (extendedNotExpanded != null)
  	          extendedNotExpanded.push(extended);
  	        else if (i !== 0) {
  	          t11 = A._arrayInstanceType(t3);
  	          t12 = new A.SubListIterable(t3, 0, i, t11._eval$1("SubListIterable<1>"));
  	          t12.SubListIterable$3(t3, 0, i, t11._precomputed1);
  	          extendedNotExpanded = A._setArrayType([A._setArrayType([A.ComplexSelector$0(t1, t12, t8, t6)], t9), extended], t5);
  	        } else if (t2)
  	          extendedNotExpanded = A._setArrayType([extended], t5);
  	        else {
  	          t11 = A._setArrayType([], t9);
  	          for (t12 = J.get$iterator$ax(extended); t12.moveNext$0();) {
  	            t13 = t12.get$current(t12);
  	            t14 = t13.leadingCombinators;
  	            if (t14.length === 0 || B.C_ListEquality.equals$2(0, t1, t14)) {
  	              t14 = t13.components;
  	              t11.push(A.ComplexSelector$0(t1, t14, t8, !t7 || t13.lineBreak));
  	            }
  	          }
  	          extendedNotExpanded = A._setArrayType([t11], t5);
  	        }
  	      }
  	      if (extendedNotExpanded == null)
  	        return null;
  	      _box_0.first = true;
  	      t1 = type$.ComplexSelector_2;
  	      t1 = J.expand$1$1$ax(A.paths0(extendedNotExpanded, t1), new A.ExtensionStore__extendComplex_closure0(_box_0, this, complex), t1);
  	      t1 = A.List_List$_of(t1, t1.$ti._eval$1("Iterable.E"));
  	      return t1;
  	    },
  	    _extension_store$_extendCompound$4$inOriginal(component, extensions, mediaQueryContext, inOriginal) {
  	      var t3, t4, t5, t6, t7, t8, t9, t10, t11, options, i, simple, extended, t12, result, compound, complex, extenderPaths, withCombinators, isOriginal, _this = this, _null = null,
  	        t1 = _this._extension_store$_mode,
  	        targetsUsed = t1 === B.ExtendMode_normal_0_normal0 || extensions.__js_helper$_length < 2 ? _null : A.LinkedHashSet_LinkedHashSet$_empty(type$.SimpleSelector_2),
  	        t2 = component.selector,
  	        simples = t2.components;
  	      for (t3 = simples.length, t4 = type$.JSArray_List_Extender_2, t5 = type$.JSArray_Extender_2, t6 = type$.CssValue_Combinator_2, t7 = type$.JSArray_ComplexSelectorComponent_2, t8 = A._arrayInstanceType(simples), t9 = t8._precomputed1, t8 = t8._eval$1("SubListIterable<1>"), t10 = component.span, t11 = type$.SimpleSelector_2, options = _null, i = 0; i < t3; ++i) {
  	        simple = simples[i];
  	        extended = _this._extension_store$_extendSimple$4(simple, extensions, mediaQueryContext, targetsUsed);
  	        if (extended == null) {
  	          if (options != null)
  	            options.push(A._setArrayType([_this._extension_store$_extenderForSimple$1(simple)], t5));
  	        } else {
  	          if (options == null) {
  	            options = A._setArrayType([], t4);
  	            if (i !== 0) {
  	              t12 = new A.SubListIterable(simples, 0, i, t8);
  	              t12.SubListIterable$3(simples, 0, i, t9);
  	              result = A.List_List$from(t12, false, t11);
  	              result.$flags = 3;
  	              t12 = result;
  	              compound = new A.CompoundSelector0(t12, t10);
  	              if (t12.length === 0)
  	                A.throwExpression(A.ArgumentError$("components may not be empty.", _null));
  	              result = A.List_List$from(B.List_empty17, false, t6);
  	              result.$flags = 3;
  	              t12 = A.ComplexSelector$0(B.List_empty17, A._setArrayType([new A.ComplexSelectorComponent0(compound, result, t10)], t7), t10, false);
  	              _this._extension_store$_sourceSpecificityFor$1(compound);
  	              options.push(A._setArrayType([new A.Extender0(t12, true)], t5));
  	            }
  	          }
  	          B.JSArray_methods.addAll$1(options, extended);
  	        }
  	      }
  	      if (options == null)
  	        return _null;
  	      if (targetsUsed != null && targetsUsed._collection$_length !== extensions.__js_helper$_length)
  	        return _null;
  	      if (options.length === 1) {
  	        for (t1 = J.get$iterator$ax(options[0]), t2 = component.combinators, t3 = type$.JSArray_ComplexSelector_2, result = _null; t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          t4.assertCompatibleMediaContext$1(mediaQueryContext);
  	          complex = t4.selector.withAdditionalCombinators$1(t2);
  	          if (complex.accept$1(B.C__IsUselessVisitor0))
  	            continue;
  	          if (result == null)
  	            result = A._setArrayType([], t3);
  	          result.push(complex);
  	        }
  	        return result;
  	      }
  	      extenderPaths = A.paths0(options, type$.Extender_2);
  	      t3 = A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	      t1 = t1 === B.ExtendMode_replace_1_replace0;
  	      t4 = !t1;
  	      if (t4)
  	        t3.push(A.ComplexSelector$0(B.List_empty17, A._setArrayType([new A.ComplexSelectorComponent0(A.CompoundSelector$0(J.expand$1$1$ax(J.get$first$ax(extenderPaths), new A.ExtensionStore__extendCompound_closure2(), t11), t2.span), A.List_List$unmodifiable(component.combinators, t6), t10)], t7), t10, false));
  	      t2 = J.skip$1$ax(extenderPaths, t1 ? 0 : 1);
  	      t5 = t2.$ti;
  	      t2 = new A.ListIterator(t2, t2.get$length(0), t5._eval$1("ListIterator<ListIterable.E>"));
  	      t6 = component.combinators;
  	      t5 = t5._eval$1("ListIterable.E");
  	      while (t2.moveNext$0()) {
  	        t1 = t2.__internal$_current;
  	        extended = _this._extension_store$_unifyExtenders$3(t1 == null ? t5._as(t1) : t1, mediaQueryContext, t10);
  	        if (extended == null)
  	          continue;
  	        for (t1 = J.get$iterator$ax(extended); t1.moveNext$0();) {
  	          withCombinators = t1.get$current(t1).withAdditionalCombinators$1(t6);
  	          if (!withCombinators.accept$1(B.C__IsUselessVisitor0))
  	            t3.push(withCombinators);
  	        }
  	      }
  	      isOriginal = new A.ExtensionStore__extendCompound_closure3();
  	      return _this._extension_store$_trim$2(t3, inOriginal && t4 ? new A.ExtensionStore__extendCompound_closure4(B.JSArray_methods.get$first(t3)) : isOriginal);
  	    },
  	    _extension_store$_unifyExtenders$3(extenders, mediaQueryContext, span) {
  	      var t1, t2, t3, originals, originalsLineBreak, t4, complexes, _null = null,
  	        toUnify = A.QueueList$(_null, type$.ComplexSelector_2);
  	      for (t1 = J.getInterceptor$ax(extenders), t2 = t1.get$iterator(extenders), t3 = type$.JSArray_SimpleSelector_2, originals = _null, originalsLineBreak = false; t2.moveNext$0();) {
  	        t4 = t2.get$current(t2);
  	        if (t4.isOriginal) {
  	          if (originals == null)
  	            originals = A._setArrayType([], t3);
  	          t4 = t4.selector;
  	          B.JSArray_methods.addAll$1(originals, B.JSArray_methods.get$last(t4.components).selector.components);
  	          originalsLineBreak = originalsLineBreak || t4.lineBreak;
  	        } else {
  	          t4 = t4.selector;
  	          if (t4.accept$1(B.C__IsUselessVisitor0))
  	            return _null;
  	          else
  	            toUnify._queue_list$_add$1(t4);
  	        }
  	      }
  	      if (originals != null)
  	        toUnify.addFirst$1(A.ComplexSelector$0(B.List_empty17, A._setArrayType([new A.ComplexSelectorComponent0(A.CompoundSelector$0(originals, span), A.List_List$unmodifiable(B.List_empty17, type$.CssValue_Combinator_2), span)], type$.JSArray_ComplexSelectorComponent_2), span, originalsLineBreak));
  	      complexes = A.unifyComplex0(toUnify, span);
  	      if (complexes == null)
  	        return _null;
  	      for (t1 = t1.get$iterator(extenders); t1.moveNext$0();)
  	        t1.get$current(t1).assertCompatibleMediaContext$1(mediaQueryContext);
  	      return complexes;
  	    },
  	    _extension_store$_extendSimple$4(simple, extensions, mediaQueryContext, targetsUsed) {
  	      var t2, _1_0,
  	        t1 = new A.ExtensionStore__extendSimple_withoutPseudo0(this, extensions, targetsUsed);
  	      if (simple instanceof A.PseudoSelector0)
  	        t2 = simple.selector != null;
  	      else
  	        t2 = false;
  	      if (t2) {
  	        _1_0 = this._extension_store$_extendPseudo$3(simple, extensions, mediaQueryContext);
  	        if (_1_0 != null)
  	          return new A.MappedListIterable(_1_0, new A.ExtensionStore__extendSimple_closure1(this, t1), A._arrayInstanceType(_1_0)._eval$1("MappedListIterable<1,List<Extender0>>"));
  	      }
  	      return A.NullableExtension_andThen0(t1.call$1(simple), new A.ExtensionStore__extendSimple_closure2());
  	    },
  	    _extension_store$_extenderForSimple$1(simple) {
  	      var t1 = simple.span;
  	      t1 = A.ComplexSelector$0(B.List_empty17, A._setArrayType([new A.ComplexSelectorComponent0(A.CompoundSelector$0(A._setArrayType([simple], type$.JSArray_SimpleSelector_2), t1), A.List_List$unmodifiable(B.List_empty17, type$.CssValue_Combinator_2), t1)], type$.JSArray_ComplexSelectorComponent_2), t1, false);
  	      this._extension_store$_sourceSpecificity.$index(0, simple);
  	      return new A.Extender0(t1, true);
  	    },
  	    _extension_store$_extendPseudo$3(pseudo, extensions, mediaQueryContext) {
  	      var extended, complexes, t1, result,
  	        selector = pseudo.selector;
  	      if (selector == null)
  	        throw A.wrapException(A.ArgumentError$("Selector " + pseudo.toString$0(0) + " must have a selector argument.", null));
  	      extended = this._extension_store$_extendList$3(selector, extensions, mediaQueryContext);
  	      if (extended === selector)
  	        return null;
  	      complexes = extended.components;
  	      t1 = pseudo.normalizedName === "not";
  	      if (t1 && !B.JSArray_methods.any$1(selector.components, new A.ExtensionStore__extendPseudo_closure4()) && B.JSArray_methods.any$1(complexes, new A.ExtensionStore__extendPseudo_closure5()))
  	        complexes = new A.WhereIterable(complexes, new A.ExtensionStore__extendPseudo_closure6(), A._arrayInstanceType(complexes)._eval$1("WhereIterable<1>"));
  	      complexes = J.expand$1$1$ax(complexes, new A.ExtensionStore__extendPseudo_closure7(pseudo), type$.ComplexSelector_2);
  	      if (t1 && selector.components.length === 1) {
  	        t1 = A.MappedIterable_MappedIterable(complexes, new A.ExtensionStore__extendPseudo_closure8(pseudo, selector), complexes.$ti._eval$1("Iterable.E"), type$.PseudoSelector_2);
  	        result = A.List_List$_of(t1, A._instanceType(t1)._eval$1("Iterable.E"));
  	        return result.length === 0 ? null : result;
  	      } else
  	        return A._setArrayType([pseudo.withSelector$1(A.SelectorList$0(complexes, selector.span))], type$.JSArray_PseudoSelector_2);
  	    },
  	    _extension_store$_trim$2(selectors, isOriginal) {
  	      var result, i, t1, t2, numOriginals, _box_0, complex1, j, t3, t4, _i, t5, maxSpecificity;
  	      if (selectors.length > 100)
  	        return selectors;
  	      result = A.QueueList$(null, type$.ComplexSelector_2);
  	      $label0$0:
  	        for (i = selectors.length - 1, t1 = A._arrayInstanceType(selectors), t2 = t1._precomputed1, t1 = t1._eval$1("SubListIterable<1>"), numOriginals = 0; i >= 0; --i) {
  	          _box_0 = {};
  	          complex1 = selectors[i];
  	          if (isOriginal.call$1(complex1)) {
  	            for (j = 0; j < numOriginals; ++j)
  	              if (result.$index(0, j).$eq(0, complex1)) {
  	                A.rotateSlice0(result, 0, j + 1);
  	                continue $label0$0;
  	              }
  	            ++numOriginals;
  	            result.addFirst$1(complex1);
  	            continue $label0$0;
  	          }
  	          _box_0.maxSpecificity = 0;
  	          for (t3 = complex1.components, t4 = t3.length, _i = 0, t5 = 0; _i < t4; ++_i, t5 = maxSpecificity) {
  	            maxSpecificity = Math.max(t5, this._extension_store$_sourceSpecificityFor$1(t3[_i].selector));
  	            _box_0.maxSpecificity = maxSpecificity;
  	          }
  	          if (result.any$1(result, new A.ExtensionStore__trim_closure1(_box_0, complex1)))
  	            continue $label0$0;
  	          t3 = new A.SubListIterable(selectors, 0, i, t1);
  	          t3.SubListIterable$3(selectors, 0, i, t2);
  	          if (t3.any$1(0, new A.ExtensionStore__trim_closure2(_box_0, complex1)))
  	            continue $label0$0;
  	          result.addFirst$1(complex1);
  	        }
  	      return result;
  	    },
  	    _extension_store$_sourceSpecificityFor$1(compound) {
  	      var t1, t2, t3, specificity, _i, t4;
  	      for (t1 = compound.components, t2 = t1.length, t3 = this._extension_store$_sourceSpecificity, specificity = 0, _i = 0; _i < t2; ++_i) {
  	        t4 = t3.$index(0, t1[_i]);
  	        if (t4 == null)
  	          t4 = 0;
  	        specificity = Math.max(specificity, t4);
  	      }
  	      return specificity;
  	    },
  	    clone$0() {
  	      var t3, t4, _this = this,
  	        t1 = type$.SimpleSelector_2,
  	        newSelectors = A.LinkedHashMap_LinkedHashMap$_empty(t1, type$.Set_ModifiableBox_SelectorList_2),
  	        t2 = type$.ModifiableBox_SelectorList_2,
  	        newMediaContexts = A.LinkedHashMap_LinkedHashMap$_empty(t2, type$.List_CssMediaQuery_2),
  	        oldToNewSelectors = new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_of_SelectorList_and_Box_SelectorList_2);
  	      _this._extension_store$_selectors.forEach$1(0, new A.ExtensionStore_clone_closure0(_this, newSelectors, A.LinkedHashMap_LinkedHashMap$_empty(t2, t2), oldToNewSelectors, newMediaContexts));
  	      t2 = type$.Extension_2;
  	      t3 = A.copyMapOfMap0(_this._extension_store$_extensions, t1, type$.ComplexSelector_2, t2);
  	      t2 = A.copyMapOfList0(_this._extension_store$_extensionsByExtender, t1, t2);
  	      t1 = new A.JsIdentityLinkedHashMap(type$.JsIdentityLinkedHashMap_SimpleSelector_int_2);
  	      t1.addAll$1(0, _this._extension_store$_sourceSpecificity);
  	      t4 = new A._LinkedIdentityHashSet(type$._LinkedIdentityHashSet_ComplexSelector_2);
  	      t4.addAll$1(0, _this._extension_store$_originals);
  	      return new A._Record_2(new A.ExtensionStore0(newSelectors, t3, t2, newMediaContexts, t1, t4, B.ExtendMode_normal_0_normal0), oldToNewSelectors);
  	    },
  	    get$_extension_store$_extensions() {
  	      return this._extension_store$_extensions;
  	    },
  	    get$_extension_store$_sourceSpecificity() {
  	      return this._extension_store$_sourceSpecificity;
  	    }
  	  };
  	  A.ExtensionStore_extensionsWhereTarget_closure0.prototype = {
  	    call$1(extension) {
  	      return !extension.isOptional;
  	    },
  	    $signature: 471
  	  };
  	  A.ExtensionStore__registerSelector_closure0.prototype = {
  	    call$0() {
  	      return A.LinkedHashSet_LinkedHashSet$_empty(type$.ModifiableBox_SelectorList_2);
  	    },
  	    $signature: 472
  	  };
  	  A.ExtensionStore_addExtension_closure2.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector_2, type$.Extension_2);
  	    },
  	    $signature: 131
  	  };
  	  A.ExtensionStore_addExtension_closure3.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_Extension_2);
  	    },
  	    $signature: 246
  	  };
  	  A.ExtensionStore_addExtension_closure4.prototype = {
  	    call$0() {
  	      return this.complex.get$specificity();
  	    },
  	    $signature: 10
  	  };
  	  A.ExtensionStore__extendExistingExtensions_closure1.prototype = {
  	    call$0() {
  	      return A._setArrayType([], type$.JSArray_Extension_2);
  	    },
  	    $signature: 246
  	  };
  	  A.ExtensionStore__extendExistingExtensions_closure2.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector_2, type$.Extension_2);
  	    },
  	    $signature: 131
  	  };
  	  A.ExtensionStore_addExtensions_closure0.prototype = {
  	    call$0() {
  	      return A.LinkedHashMap_LinkedHashMap$_empty(type$.ComplexSelector_2, type$.Extension_2);
  	    },
  	    $signature: 131
  	  };
  	  A.ExtensionStore__extendComplex_closure0.prototype = {
  	    call$1(path) {
  	      var t1 = this.complex;
  	      return J.map$1$1$ax(A.weave0(path, t1.span, t1.lineBreak), new A.ExtensionStore__extendComplex__closure0(this._box_0, this.$this, t1), type$.ComplexSelector_2);
  	    },
  	    $signature: 475
  	  };
  	  A.ExtensionStore__extendComplex__closure0.prototype = {
  	    call$1(outputComplex) {
  	      var _this = this,
  	        t1 = _this._box_0;
  	      if (t1.first && _this.$this._extension_store$_originals.contains$1(0, _this.complex))
  	        _this.$this._extension_store$_originals.add$1(0, outputComplex);
  	      t1.first = false;
  	      return outputComplex;
  	    },
  	    $signature: 59
  	  };
  	  A.ExtensionStore__extendCompound_closure2.prototype = {
  	    call$1(extender) {
  	      return B.JSArray_methods.get$last(extender.selector.components).selector.components;
  	    },
  	    $signature: 477
  	  };
  	  A.ExtensionStore__extendCompound_closure3.prototype = {
  	    call$1(_) {
  	      return false;
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__extendCompound_closure4.prototype = {
  	    call$1(complex) {
  	      return complex.$eq(0, this.original);
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__extendSimple_withoutPseudo0.prototype = {
  	    call$1(simple) {
  	      var t1, t2,
  	        extensionsForSimple = this.extensions.$index(0, simple);
  	      if (extensionsForSimple == null)
  	        return null;
  	      t1 = this.targetsUsed;
  	      if (t1 != null)
  	        t1.add$1(0, simple);
  	      t1 = A._setArrayType([], type$.JSArray_Extender_2);
  	      t2 = this.$this;
  	      if (t2._extension_store$_mode !== B.ExtendMode_replace_1_replace0)
  	        t1.push(t2._extension_store$_extenderForSimple$1(simple));
  	      for (t2 = extensionsForSimple.get$values(extensionsForSimple), t2 = t2.get$iterator(t2); t2.moveNext$0();)
  	        t1.push(t2.get$current(t2).extender);
  	      return t1;
  	    },
  	    $signature: 478
  	  };
  	  A.ExtensionStore__extendSimple_closure1.prototype = {
  	    call$1(pseudo) {
  	      var t1 = this.withoutPseudo.call$1(pseudo);
  	      return t1 == null ? A._setArrayType([this.$this._extension_store$_extenderForSimple$1(pseudo)], type$.JSArray_Extender_2) : t1;
  	    },
  	    $signature: 479
  	  };
  	  A.ExtensionStore__extendSimple_closure2.prototype = {
  	    call$1(result) {
  	      return A._setArrayType([result], type$.JSArray_List_Extender_2);
  	    },
  	    $signature: 480
  	  };
  	  A.ExtensionStore__extendPseudo_closure4.prototype = {
  	    call$1(complex) {
  	      return complex.components.length > 1;
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__extendPseudo_closure5.prototype = {
  	    call$1(complex) {
  	      return complex.components.length === 1;
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__extendPseudo_closure6.prototype = {
  	    call$1(complex) {
  	      return complex.components.length <= 1;
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__extendPseudo_closure7.prototype = {
  	    call$1(complex) {
  	      var innerPseudo, innerSelector,
  	        t1 = complex.get$singleCompound();
  	      if (t1 == null)
  	        innerPseudo = null;
  	      else {
  	        t1 = t1.components;
  	        innerPseudo = t1.length === 1 ? B.JSArray_methods.get$first(t1) : null;
  	      }
  	      if (!(innerPseudo instanceof A.PseudoSelector0))
  	        return A._setArrayType([complex], type$.JSArray_ComplexSelector_2);
  	      innerSelector = innerPseudo.selector;
  	      if (innerSelector == null)
  	        return A._setArrayType([complex], type$.JSArray_ComplexSelector_2);
  	      t1 = this.pseudo;
  	      switch (t1.normalizedName) {
  	        case "not":
  	          if (!B.Set_0egh6.contains$1(0, innerPseudo.normalizedName))
  	            return A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	          return innerSelector.components;
  	        case "is":
  	        case "matches":
  	        case "where":
  	        case "any":
  	        case "current":
  	        case "nth-child":
  	        case "nth-last-child":
  	          if (innerPseudo.name !== t1.name)
  	            return A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	          if (innerPseudo.argument != t1.argument)
  	            return A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	          return innerSelector.components;
  	        case "has":
  	        case "host":
  	        case "host-context":
  	        case "slotted":
  	          return A._setArrayType([complex], type$.JSArray_ComplexSelector_2);
  	        default:
  	          return A._setArrayType([], type$.JSArray_ComplexSelector_2);
  	      }
  	    },
  	    $signature: 481
  	  };
  	  A.ExtensionStore__extendPseudo_closure8.prototype = {
  	    call$1(complex) {
  	      return this.pseudo.withSelector$1(A.SelectorList$0(A._setArrayType([complex], type$.JSArray_ComplexSelector_2), this.selector.span));
  	    },
  	    $signature: 482
  	  };
  	  A.ExtensionStore__trim_closure1.prototype = {
  	    call$1(complex2) {
  	      return complex2.get$specificity() >= this._box_0.maxSpecificity && complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore__trim_closure2.prototype = {
  	    call$1(complex2) {
  	      return complex2.get$specificity() >= this._box_0.maxSpecificity && complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 22
  	  };
  	  A.ExtensionStore_clone_closure0.prototype = {
  	    call$2(simple, selectors) {
  	      var t1, t2, t3, t4, t5, t6, newSelector, _0_0, _this = this,
  	        newSelectorSet = A.LinkedHashSet_LinkedHashSet$_empty(type$.ModifiableBox_SelectorList_2);
  	      _this.newSelectors.$indexSet(0, simple, newSelectorSet);
  	      for (t1 = selectors.get$iterator(selectors), t2 = _this.newBoxes, t3 = _this.oldToNewSelectors, t4 = _this.$this._extension_store$_mediaContexts, t5 = _this.newMediaContexts; t1.moveNext$0();) {
  	        t6 = t1.get$current(t1);
  	        newSelector = t2.putIfAbsent$2(t6, new A.ExtensionStore_clone__closure0(t6));
  	        newSelectorSet.add$1(0, newSelector);
  	        t3.$indexSet(0, t6.value, new A.Box0(newSelector, newSelector.$ti._eval$1("Box0<1>")));
  	        _0_0 = t4.$index(0, t6);
  	        if (_0_0 != null)
  	          t5.$indexSet(0, newSelector, _0_0);
  	      }
  	    },
  	    $signature: 483
  	  };
  	  A.ExtensionStore_clone__closure0.prototype = {
  	    call$0() {
  	      return new A.ModifiableBox0(this.selector.value, type$.ModifiableBox_SelectorList_2);
  	    },
  	    $signature: 484
  	  };
  	  A.FiberClass.prototype = {};
  	  A.Fiber.prototype = {};
  	  A.JSToDartFileImporter.prototype = {
  	    canonicalize$1(_, url) {
  	      var result, t1, resultUrl;
  	      if (url.get$scheme() === "file")
  	        return $.$get$FilesystemImporter_cwd0().canonicalize$1(0, url);
  	      result = A.wrapJSExceptions(new A.JSToDartFileImporter_canonicalize_closure(this, url));
  	      if (result == null)
  	        return null;
  	      t1 = self.Promise;
  	      if (result instanceof t1)
  	        A.jsThrow(new self.Error("The findFileUrl() function can't return a Promise for synchron compile functions."));
  	      else {
  	        t1 = self.URL;
  	        if (!(result instanceof t1))
  	          A.jsThrow(new self.Error(string$.The_fie));
  	      }
  	      resultUrl = A.Uri_parse(J.toString$0$(type$.JSUrl._as(result)));
  	      if (resultUrl.get$scheme() !== "file")
  	        A.jsThrow(new self.Error(string$.The_fiu + url.toString$0(0) + '".'));
  	      return $.$get$FilesystemImporter_cwd0().canonicalize$1(0, resultUrl);
  	    },
  	    load$1(_, url) {
  	      return $.$get$FilesystemImporter_cwd0().load$1(0, url);
  	    },
  	    isNonCanonicalScheme$1(scheme) {
  	      return scheme !== "file";
  	    }
  	  };
  	  A.JSToDartFileImporter_canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.$this._file0$_findFileUrl.call$2(this.url.toString$0(0), A.canonicalizeContext0());
  	    },
  	    $signature: 36
  	  };
  	  A.FilesystemImporter0.prototype = {
  	    canonicalize$1(_, url) {
  	      var resolved;
  	      if (url.get$scheme() === "file")
  	        resolved = A.resolveImportPath0($.$get$context().style.pathFromUri$1(A._parseUri(url)));
  	      else if (url.get$scheme() !== "")
  	        return null;
  	      else {
  	        resolved = A.resolveImportPath0(A.join(this._filesystem$_loadPath, $.$get$context().style.pathFromUri$1(A._parseUri(url)), null));
  	        if (resolved != null && this._filesystem$_loadPathDeprecated)
  	          A.warnForDeprecation0(string$.Using_t, B.Deprecation_LUk);
  	      }
  	      return A.NullableExtension_andThen0(resolved, new A.FilesystemImporter_canonicalize_closure0());
  	    },
  	    load$1(_, url) {
  	      var path = $.$get$context().style.pathFromUri$1(A._parseUri(url));
  	      return A.ImporterResult$(A.readFile0(path), url, A.Syntax_forPath0(path));
  	    },
  	    toString$0(_) {
  	      return this._filesystem$_loadPath;
  	    }
  	  };
  	  A.FilesystemImporter_canonicalize_closure0.prototype = {
  	    call$1(resolved) {
  	      var t2, t0, _null = null,
  	        t1 = A.isNodeJs() ? self.process : _null;
  	      if (!J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "win32")) {
  	        t1 = A.isNodeJs() ? self.process : _null;
  	        t1 = J.$eq$(t1 == null ? _null : J.get$platform$x(t1), "darwin");
  	      } else
  	        t1 = true;
  	      if (t1) {
  	        t1 = A.absolute(resolved, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	        t2 = $.$get$context();
  	        t1 = A._realCasePath0(t2.normalize$1(t1));
  	      } else {
  	        t1 = $.$get$context();
  	        t2 = t1.canonicalize$1(0, resolved);
  	        t0 = t2;
  	        t2 = t1;
  	        t1 = t0;
  	      }
  	      return t2.toUri$1(t1);
  	    },
  	    $signature: 127
  	  };
  	  A.ForRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitForRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var _this = this,
  	        t1 = _this.from.toString$0(0),
  	        t2 = _this.isExclusive ? "to" : "through";
  	      return "@for $" + _this.variable + " from " + t1 + " " + t2 + " " + _this.to.toString$0(0) + " {" + B.JSArray_methods.join$1(_this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ForwardRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitForwardRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, prefix, _this = this,
  	        t1 = "@forward " + A.StringExpression_quoteText0(_this.url.toString$0(0)),
  	        shownMixinsAndFunctions = _this.shownMixinsAndFunctions,
  	        hiddenMixinsAndFunctions = _this.hiddenMixinsAndFunctions;
  	      if (shownMixinsAndFunctions != null) {
  	        t2 = _this.shownVariables;
  	        t2.toString;
  	        t2 = t1 + " show " + _this._forward_rule0$_memberList$2(shownMixinsAndFunctions, t2);
  	        t1 = t2;
  	      } else if (hiddenMixinsAndFunctions != null && hiddenMixinsAndFunctions._base.get$isNotEmpty(0)) {
  	        t2 = _this.hiddenVariables;
  	        t2.toString;
  	        t2 = t1 + " hide " + _this._forward_rule0$_memberList$2(hiddenMixinsAndFunctions, t2);
  	        t1 = t2;
  	      }
  	      prefix = _this.prefix;
  	      if (prefix != null)
  	        t1 += " as " + prefix + "*";
  	      t2 = _this.configuration;
  	      t1 = (t2.length !== 0 ? t1 + (" with (" + B.JSArray_methods.join$1(t2, ", ") + ")") : t1) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _forward_rule0$_memberList$2(mixinsAndFunctions, variables) {
  	      var t2,
  	        t1 = A.List_List$_of(mixinsAndFunctions, type$.String);
  	      for (t2 = variables._base.get$iterator(0); t2.moveNext$0();)
  	        t1.push("$" + t2.get$current(0));
  	      return B.JSArray_methods.join$1(t1, ", ");
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ForwardedModuleView0.prototype = {
  	    get$url(_) {
  	      var t1 = this._forwarded_view0$_inner;
  	      return t1.get$url(t1);
  	    },
  	    get$upstream() {
  	      return this._forwarded_view0$_inner.get$upstream();
  	    },
  	    get$extensionStore() {
  	      return this._forwarded_view0$_inner.get$extensionStore();
  	    },
  	    get$css(_) {
  	      var t1 = this._forwarded_view0$_inner;
  	      return t1.get$css(t1);
  	    },
  	    get$preModuleComments() {
  	      return this._forwarded_view0$_inner.get$preModuleComments();
  	    },
  	    get$transitivelyContainsCss() {
  	      return this._forwarded_view0$_inner.get$transitivelyContainsCss();
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this._forwarded_view0$_inner.get$transitivelyContainsExtensions();
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      var t2, _1_0, _2_0,
  	        _s19_ = "Undefined variable.",
  	        t1 = this._forwarded_view0$_rule,
  	        _0_0 = t1.shownVariables;
  	      if (_0_0 != null)
  	        t2 = !_0_0._base.contains$1(0, $name);
  	      else
  	        t2 = false;
  	      if (t2)
  	        throw A.wrapException(A.SassScriptException$0(_s19_, null));
  	      else {
  	        _1_0 = t1.hiddenVariables;
  	        if (_1_0 != null)
  	          t2 = _1_0._base.contains$1(0, $name);
  	        else
  	          t2 = false;
  	        if (t2)
  	          throw A.wrapException(A.SassScriptException$0(_s19_, null));
  	      }
  	      _2_0 = t1.prefix;
  	      if (_2_0 != null) {
  	        if (!B.JSString_methods.startsWith$1($name, _2_0))
  	          throw A.wrapException(A.SassScriptException$0(_s19_, null));
  	        $name = B.JSString_methods.substring$1($name, _2_0.length);
  	      }
  	      return this._forwarded_view0$_inner.setVariable$3($name, value, nodeWithSpan);
  	    },
  	    variableIdentity$1($name) {
  	      var _0_0 = this._forwarded_view0$_rule.prefix;
  	      if (_0_0 != null)
  	        $name = B.JSString_methods.substring$1($name, _0_0.length);
  	      return this._forwarded_view0$_inner.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t5, t6, _1_0, _2_0, blocklist, _this = this,
  	        t1 = _this._forwarded_view0$_rule,
  	        t2 = t1.prefix,
  	        t3 = t2 == null,
  	        t4 = false;
  	      if (t3)
  	        if (t1.shownVariables == null) {
  	          t4 = t1.hiddenVariables;
  	          t4 = t4 == null ? null : t4._base.get$isEmpty(0);
  	          t4 = t4 !== false;
  	        }
  	      if (t4)
  	        return _this._forwarded_view0$_inner.couldHaveBeenConfigured$1(variables);
  	      if (!t3) {
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	        for (t4 = variables.get$iterator(variables), t5 = t2.length; t4.moveNext$0();) {
  	          t6 = t4.get$current(t4);
  	          if (B.JSString_methods.startsWith$1(t6, t2))
  	            t3.add$1(0, B.JSString_methods.substring$1(t6, t5));
  	        }
  	        variables = t3;
  	      }
  	      _1_0 = t1.shownVariables;
  	      if (_1_0 != null)
  	        return _this._forwarded_view0$_inner.couldHaveBeenConfigured$1(variables.intersection$1(_1_0));
  	      else {
  	        _2_0 = t1.hiddenVariables;
  	        if (_2_0 != null) {
  	          t1 = _2_0._base.get$isNotEmpty(0);
  	          blocklist = _2_0;
  	        } else {
  	          blocklist = null;
  	          t1 = false;
  	        }
  	        t2 = _this._forwarded_view0$_inner;
  	        if (t1)
  	          return t2.couldHaveBeenConfigured$1(variables.difference$1(blocklist));
  	        else
  	          return t2.couldHaveBeenConfigured$1(variables);
  	      }
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.ForwardedModuleView0 && this._forwarded_view0$_inner.$eq(0, other._forwarded_view0$_inner) && this._forwarded_view0$_rule === other._forwarded_view0$_rule;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._forwarded_view0$_inner;
  	      return (t1.get$hashCode(t1) ^ A.Primitives_objectHashCode(this._forwarded_view0$_rule)) >>> 0;
  	    },
  	    cloneCss$0() {
  	      return A.ForwardedModuleView$0(this._forwarded_view0$_inner.cloneCss$0(), this._forwarded_view0$_rule, this.$ti._precomputed1);
  	    },
  	    toString$0(_) {
  	      return "forwarded " + this._forwarded_view0$_inner.toString$0(0);
  	    },
  	    $isModule1: 1,
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    }
  	  };
  	  A.FunctionExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitFunctionExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace;
  	      t1 = t1 != null ? t1 + "." : "";
  	      t1 += this.originalName + this.$arguments.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.JSFunction0.prototype = {};
  	  A.SupportsFunction0.prototype = {
  	    toInterpolation$0() {
  	      var t4, t5,
  	        t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = this.name;
  	      t2.addInterpolation$1(t3);
  	      t4 = this.$arguments;
  	      t5 = t4.span;
  	      t3 = A.SpanExtensions_between(t3.span, t5);
  	      t3 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t3.file._decodedChars, t3._file$_start, t3._end), 0, null);
  	      t1._contents += t3;
  	      t2.addInterpolation$1(t4);
  	      t4 = this.span;
  	      t5 = A.SpanExtensions_after(t4, t5);
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, null);
  	      t1._contents += t5;
  	      return t2.interpolation$1(t4);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsFunction0(this.name, this.$arguments, span);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + "(" + this.$arguments.toString$0(0) + ")";
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.functionClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassFunction", new A.functionClass__closure()));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.SassFunction0(A.BuiltInCallable$function0("f", "", new A.functionClass__closure0(), null), null).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.functionClass__closure.prototype = {
  	    call$3($self, signature, callback) {
  	      var paren = B.JSString_methods.indexOf$1(signature, "(");
  	      if (paren === -1 || !B.JSString_methods.endsWith$1(signature, ")"))
  	        A.jsThrow(new self.Error('Invalid signature for new sass.SassFunction(): "' + signature + '"'));
  	      return new A.SassFunction0(A.BuiltInCallable$function0(B.JSString_methods.substring$2(signature, 0, paren), B.JSString_methods.substring$2(signature, paren + 1, signature.length - 1), callback, null), null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 3,
  	    $signature: 485
  	  };
  	  A.functionClass__closure0.prototype = {
  	    call$1(_) {
  	      return B.C__SassNull0;
  	    },
  	    $signature: 3
  	  };
  	  A.SassFunction0.prototype = {
  	    accept$1$1(visitor) {
  	      var t1, t2;
  	      if (!visitor._serialize0$_inspect)
  	        A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = visitor._serialize0$_buffer;
  	      t1.write$1(0, "get-function(");
  	      t2 = this.callable;
  	      visitor._serialize0$_visitQuotedString$1(t2.get$name(t2));
  	      t1.writeCharCode$1(41);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertFunction$1($name) {
  	      return this;
  	    },
  	    assertCompileContext$1(compileContext) {
  	      var t1 = this._function0$_compileContext;
  	      if (t1 != null)
  	        t1 = t1 !== compileContext;
  	      else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$0(this.toString$0(0) + " does not belong to current compilation.", null));
  	      return this;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassFunction0 && this.callable.$eq(0, other.callable);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.callable;
  	      return t1.get$hashCode(t1);
  	    }
  	  };
  	  A.FunctionRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitFunctionRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@function " + this.name + "(" + this.parameters.toString$0(0) + ") {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.unifyComplex_closure0.prototype = {
  	    call$1(complex) {
  	      return complex.lineBreak;
  	    },
  	    $signature: 22
  	  };
  	  A._weaveParents_closure3.prototype = {
  	    call$2(group1, group2) {
  	      var t1, unified;
  	      if (B.C_ListEquality.equals$2(0, group1, group2))
  	        return group1;
  	      if (A._complexIsParentSuperselector0(group1, group2))
  	        return group2;
  	      if (A._complexIsParentSuperselector0(group2, group1))
  	        return group1;
  	      if (!A._mustUnify0(group1, group2))
  	        return null;
  	      t1 = this.span;
  	      unified = A.unifyComplex0(A._setArrayType([A.ComplexSelector$0(B.List_empty17, group1, t1, false), A.ComplexSelector$0(B.List_empty17, group2, t1, false)], type$.JSArray_ComplexSelector_2), t1);
  	      if (unified == null)
  	        t1 = null;
  	      else {
  	        t1 = A.IterableExtension_get_singleOrNull(unified);
  	        t1 = t1 == null ? null : t1.components;
  	      }
  	      return t1;
  	    },
  	    $signature: 486
  	  };
  	  A._weaveParents_closure4.prototype = {
  	    call$1(sequence) {
  	      return A._complexIsParentSuperselector0(sequence.get$first(sequence), this.group);
  	    },
  	    $signature: 247
  	  };
  	  A._weaveParents_closure5.prototype = {
  	    call$1(sequence) {
  	      return sequence.get$length(0) === 0;
  	    },
  	    $signature: 247
  	  };
  	  A._weaveParents_closure6.prototype = {
  	    call$1(choice) {
  	      return J.get$isNotEmpty$asx(choice);
  	    },
  	    $signature: 488
  	  };
  	  A._mustUnify_closure0.prototype = {
  	    call$1(component) {
  	      return B.JSArray_methods.any$1(component.selector.components, new A._mustUnify__closure0(this.uniqueSelectors));
  	    },
  	    $signature: 55
  	  };
  	  A._mustUnify__closure0.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (!(simple instanceof A.IDSelector0))
  	        t1 = simple instanceof A.PseudoSelector0 && !simple.isClass;
  	      else
  	        t1 = true;
  	      return t1 && this.uniqueSelectors.contains$1(0, simple);
  	    },
  	    $signature: 15
  	  };
  	  A.paths_closure0.prototype = {
  	    call$2(paths, choice) {
  	      var t1 = this.T;
  	      t1 = J.expand$1$1$ax(choice, new A.paths__closure0(paths, t1), t1._eval$1("List<0>"));
  	      t1 = A.List_List$_of(t1, t1.$ti._eval$1("Iterable.E"));
  	      return t1;
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<List<0>>(List<List<0>>,List<0>)");
  	    }
  	  };
  	  A.paths__closure0.prototype = {
  	    call$1(option) {
  	      var t1 = this.T;
  	      return J.map$1$1$ax(this.paths, new A.paths___closure0(option, t1), t1._eval$1("List<0>"));
  	    },
  	    $signature() {
  	      return this.T._eval$1("Iterable<List<0>>(0)");
  	    }
  	  };
  	  A.paths___closure0.prototype = {
  	    call$1(path) {
  	      var t1 = A.List_List$_of(path, this.T);
  	      t1.push(this.option);
  	      return t1;
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<0>(List<0>)");
  	    }
  	  };
  	  A.listIsSuperselector_closure0.prototype = {
  	    call$1(complex1) {
  	      return B.JSArray_methods.any$1(this.list1, new A.listIsSuperselector__closure0(complex1));
  	    },
  	    $signature: 22
  	  };
  	  A.listIsSuperselector__closure0.prototype = {
  	    call$1(complex2) {
  	      return complex2.isSuperselector$1(this.complex1);
  	    },
  	    $signature: 22
  	  };
  	  A.complexIsSuperselector_closure1.prototype = {
  	    call$1($parent) {
  	      return $parent.combinators.length > 1;
  	    },
  	    $signature: 55
  	  };
  	  A.complexIsSuperselector_closure2.prototype = {
  	    call$1(component) {
  	      return A._isSupercombinator0(this.combinator1, A.IterableExtension_get_firstOrNull(component.combinators));
  	    },
  	    $signature: 55
  	  };
  	  A._compatibleWithPreviousCombinator_closure0.prototype = {
  	    call$1(component) {
  	      var t1 = component.combinators,
  	        t2 = A.IterableExtension_get_firstOrNull(t1);
  	      if ((t2 == null ? null : t2.value) !== B.Combinator_98W0) {
  	        t1 = A.IterableExtension_get_firstOrNull(t1);
  	        t1 = (t1 == null ? null : t1.value) === B.Combinator_sHB0;
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $signature: 55
  	  };
  	  A.compoundIsSuperselector_closure0.prototype = {
  	    call$1(simple1) {
  	      return B.JSArray_methods.any$1(this.compound2.components, simple1.get$isSuperselector());
  	    },
  	    $signature: 15
  	  };
  	  A._selectorPseudoIsSuperselector_closure6.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector0(this.selector1.components, selector2.components);
  	    },
  	    $signature: 68
  	  };
  	  A._selectorPseudoIsSuperselector_closure7.prototype = {
  	    call$1(complex1) {
  	      var t1, t2;
  	      if (complex1.leadingCombinators.length === 0) {
  	        t1 = A._setArrayType([], type$.JSArray_ComplexSelectorComponent_2);
  	        t2 = this.parents;
  	        if (t2 != null)
  	          B.JSArray_methods.addAll$1(t1, t2);
  	        t2 = this.compound2;
  	        t1.push(new A.ComplexSelectorComponent0(t2, A.List_List$unmodifiable(B.List_empty17, type$.CssValue_Combinator_2), t2.span));
  	        t1 = A.complexIsSuperselector0(complex1.components, t1);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 22
  	  };
  	  A._selectorPseudoIsSuperselector_closure8.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector0(this.selector1.components, selector2.components);
  	    },
  	    $signature: 68
  	  };
  	  A._selectorPseudoIsSuperselector_closure9.prototype = {
  	    call$1(selector2) {
  	      return A.listIsSuperselector0(this.selector1.components, selector2.components);
  	    },
  	    $signature: 68
  	  };
  	  A._selectorPseudoIsSuperselector_closure10.prototype = {
  	    call$1(complex) {
  	      if (complex.accept$1(B._IsBogusVisitor_true0))
  	        return false;
  	      return B.JSArray_methods.any$1(this.compound2.components, new A._selectorPseudoIsSuperselector__closure0(complex, this.pseudo1));
  	    },
  	    $signature: 22
  	  };
  	  A._selectorPseudoIsSuperselector__closure0.prototype = {
  	    call$1(simple2) {
  	      var t1, selector2, _0_4, _this = this;
  	      $label0$1: {
  	        if (simple2 instanceof A.TypeSelector0) {
  	          t1 = B.JSArray_methods.any$1(B.JSArray_methods.get$last(_this.complex.components).selector.components, new A._selectorPseudoIsSuperselector___closure1(simple2));
  	          break $label0$1;
  	        }
  	        if (simple2 instanceof A.IDSelector0) {
  	          t1 = B.JSArray_methods.any$1(B.JSArray_methods.get$last(_this.complex.components).selector.components, new A._selectorPseudoIsSuperselector___closure2(simple2));
  	          break $label0$1;
  	        }
  	        selector2 = null;
  	        t1 = false;
  	        if (simple2 instanceof A.PseudoSelector0) {
  	          _0_4 = simple2.selector;
  	          if (_0_4 != null) {
  	            selector2 = _0_4 == null ? type$.SelectorList_2._as(_0_4) : _0_4;
  	            t1 = simple2.name === _this.pseudo1.name;
  	          }
  	        }
  	        if (t1) {
  	          t1 = A.listIsSuperselector0(selector2.components, A._setArrayType([_this.complex], type$.JSArray_ComplexSelector_2));
  	          break $label0$1;
  	        }
  	        t1 = false;
  	        break $label0$1;
  	      }
  	      return t1;
  	    },
  	    $signature: 15
  	  };
  	  A._selectorPseudoIsSuperselector___closure1.prototype = {
  	    call$1(simple1) {
  	      var t1;
  	      if (simple1 instanceof A.TypeSelector0) {
  	        t1 = this.simple2.name.$eq(0, simple1.name);
  	        t1 = !t1;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 15
  	  };
  	  A._selectorPseudoIsSuperselector___closure2.prototype = {
  	    call$1(simple1) {
  	      var t1;
  	      if (simple1 instanceof A.IDSelector0)
  	        t1 = this.simple2.name !== simple1.name;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 15
  	  };
  	  A._selectorPseudoIsSuperselector_closure11.prototype = {
  	    call$1(selector2) {
  	      var t1 = B.C_ListEquality.equals$2(0, this.selector1.components, selector2.components);
  	      return t1;
  	    },
  	    $signature: 68
  	  };
  	  A._selectorPseudoIsSuperselector_closure12.prototype = {
  	    call$1(pseudo2) {
  	      var t1, selector2;
  	      if (!(pseudo2 instanceof A.PseudoSelector0))
  	        return false;
  	      t1 = this.pseudo1;
  	      if (pseudo2.name !== t1.name)
  	        return false;
  	      if (pseudo2.argument != t1.argument)
  	        return false;
  	      selector2 = pseudo2.selector;
  	      if (selector2 == null)
  	        return false;
  	      return A.listIsSuperselector0(this.selector1.components, selector2.components);
  	    },
  	    $signature: 15
  	  };
  	  A._selectorPseudoArgs_closure1.prototype = {
  	    call$1(pseudo) {
  	      return pseudo.isClass === this.isClass && pseudo.name === this.name;
  	    },
  	    $signature: 490
  	  };
  	  A._selectorPseudoArgs_closure2.prototype = {
  	    call$1(pseudo) {
  	      return pseudo.selector;
  	    },
  	    $signature: 491
  	  };
  	  A.globalFunctions_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).get$isTruthy() ? t1.$index($arguments, 1) : t1.$index($arguments, 2);
  	    },
  	    $signature: 3
  	  };
  	  A.GamutMapMethod0.prototype = {
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.HslColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, hue, saturation, lightness, alpha) {
  	      var t1 = hue == null,
  	        scaledHue = B.JSNumber_methods.$mod((t1 ? 0 : hue) / 360, 1),
  	        t2 = saturation == null,
  	        scaledSaturation = (t2 ? 0 : saturation) / 100,
  	        t3 = lightness == null,
  	        scaledLightness = (t3 ? 0 : lightness) / 100,
  	        m2 = scaledLightness <= 0.5 ? scaledLightness * (scaledSaturation + 1) : scaledLightness + scaledSaturation - scaledLightness * scaledSaturation,
  	        m1 = scaledLightness * 2 - m2;
  	      return B.SrgbColorSpace_thf0.convert$8$missingChroma$missingHue$missingLightness(dest, A.hueToRgb0(m1, m2, scaledHue + 0.3333333333333333), A.hueToRgb0(m1, m2, scaledHue), A.hueToRgb0(m1, m2, scaledHue - 0.3333333333333333), alpha, t2, t1, t3);
  	    }
  	  };
  	  A.HwbColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, hue, whiteness, blackness, alpha) {
  	      var t3, t1 = {},
  	        t2 = hue == null,
  	        scaledHue = B.JSNumber_methods.$mod(t2 ? 0 : hue, 360) / 360,
  	        scaledWhiteness = t1.scaledWhiteness = (whiteness == null ? 0 : whiteness) / 100,
  	        scaledBlackness = (blackness == null ? 0 : blackness) / 100,
  	        sum = scaledWhiteness + scaledBlackness;
  	      if (sum > 1) {
  	        t3 = t1.scaledWhiteness = scaledWhiteness / sum;
  	        scaledBlackness /= sum;
  	      } else
  	        t3 = scaledWhiteness;
  	      t3 = new A.HwbColorSpace_convert_toRgb0(t1, 1 - t3 - scaledBlackness);
  	      return B.SrgbColorSpace_thf0.convert$6$missingHue(dest, t3.call$1(scaledHue + 0.3333333333333333), t3.call$1(scaledHue), t3.call$1(scaledHue - 0.3333333333333333), alpha, t2);
  	    }
  	  };
  	  A.HwbColorSpace_convert_toRgb0.prototype = {
  	    call$1(hue) {
  	      return A.hueToRgb0(0, 1, hue) * this.factor + this._box_0.scaledWhiteness;
  	    },
  	    $signature: 12
  	  };
  	  A.InterpolatedIDSelector.prototype = {
  	    get$span(_) {
  	      var t1 = this.name.span;
  	      return t1.get$file(t1).span$2(0, t1.get$start(t1).offset - 1, t1.get$end(t1).offset);
  	    },
  	    accept$1$1(visitor) {
  	      return J.visitIDSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "#" + this.name.toString$0(0);
  	    }
  	  };
  	  A.IDSelector0.prototype = {
  	    get$specificity() {
  	      return A._asInt(Math.pow(A.SimpleSelector0.prototype.get$specificity.call(this), 2));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIDSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.IDSelector0(this.name + suffix, this.span);
  	    },
  	    unify$1(compound) {
  	      if (B.JSArray_methods.any$1(compound, new A.IDSelector_unify_closure0(this)))
  	        return null;
  	      return this.super$SimpleSelector$unify0(compound);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.IDSelector0 && other.name === this.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.IDSelector_unify_closure0.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (simple instanceof A.IDSelector0)
  	        t1 = this.$this.name !== simple.name;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 15
  	  };
  	  A.IfExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitIfExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1, t2, first, _i, t3, t4, condition;
  	      for (t1 = this.branches, t2 = t1.length, first = true, _i = 0, t3 = "if("; _i < t2; ++_i) {
  	        t4 = t1[_i];
  	        condition = t4._0;
  	        if (first)
  	          first = false;
  	        else
  	          t3 += "; ";
  	        t3 = t3 + A.S(condition == null ? "else" : condition) + ": " + t4._1.toString$0(0);
  	      }
  	      t1 = t3 + A.Primitives_stringFromCharCode(41);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionExpression0.prototype = {
  	    get$isArbitrarySubstitution() {
  	      return false;
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1
  	  };
  	  A.IfConditionParenthesized0.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = A.Primitives_stringFromCharCode(40);
  	      t1._contents += t3;
  	      t2.addInterpolation$1(this.expression.toInterpolation$1(arbitrarySubstitution));
  	      t3 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t3;
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionParenthesized$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionNegation0.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t1._contents = "not ";
  	      t2.addInterpolation$1(this.expression.toInterpolation$1(arbitrarySubstitution));
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionNegation$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "not " + this.expression.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionOperation0.prototype = {
  	    get$span(_) {
  	      var t1 = this.expressions,
  	        t2 = B.JSArray_methods.get$first(t1);
  	      t2 = t2.get$span(t2);
  	      t1 = B.JSArray_methods.get$last(t1);
  	      return t2.expand$1(0, t1.get$span(t1));
  	    },
  	    toInterpolation$1(arbitrarySubstitution) {
  	      var t2, t3, t4, first, _i, expression,
  	        t1 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      for (t2 = this.expressions, t3 = t2.length, t4 = this.op, first = true, _i = 0; _i < t3; ++_i) {
  	        expression = t2[_i];
  	        if (first)
  	          first = false;
  	        else
  	          t1._contents += " " + t4.toString$0(0) + " ";
  	        buffer.addInterpolation$1(expression.toInterpolation$1(arbitrarySubstitution));
  	      }
  	      return buffer.interpolation$1(new A.LazyFileSpan0(new A.IfConditionOperation_toInterpolation_closure0(this)));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionOperation$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.expressions, " " + this.op.toString$0(0) + " ");
  	    }
  	  };
  	  A.IfConditionOperation_toInterpolation_closure0.prototype = {
  	    call$0() {
  	      return this.$this.get$span(0);
  	    },
  	    $signature: 16
  	  };
  	  A.IfConditionFunction0.prototype = {
  	    get$isArbitrarySubstitution() {
  	      var t2,
  	        t1 = this.name.get$asPlain(),
  	        _0_0 = t1 == null ? null : t1.toLowerCase();
  	      $label0$0: {
  	        t1 = true;
  	        if ("if" === _0_0 || "var" === _0_0 || "attr" === _0_0)
  	          break $label0$0;
  	        if (_0_0 != null)
  	          t2 = B.JSString_methods.startsWith$1(_0_0, "--");
  	        else
  	          t2 = false;
  	        if (t2)
  	          break $label0$0;
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    toInterpolation$1(_) {
  	      var t3,
  	        t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t2.addInterpolation$1(this.name);
  	      t3 = A.Primitives_stringFromCharCode(40);
  	      t1._contents += t3;
  	      t2.addInterpolation$1(this.$arguments);
  	      t3 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t3;
  	      return t2.interpolation$1(this.span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionFunction$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + "(" + this.$arguments.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionSass0.prototype = {
  	    toInterpolation$1(arbitrarySubstitution) {
  	      return A.throwExpression(A.MultiSourceSpanFormatException$(string$.if___c, arbitrarySubstitution.get$span(arbitrarySubstitution), "arbitrary substitution", A.LinkedHashMap_LinkedHashMap$_literal([this.span, "sass() expression"], type$.SourceSpan, type$.String), null));
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionSass$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "sass(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfConditionRaw0.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    get$isArbitrarySubstitution() {
  	      return true;
  	    },
  	    toInterpolation$1(_) {
  	      return this.text;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIfConditionRaw$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text.toString$0(0);
  	    }
  	  };
  	  A.JSIfConditionExpressionVisitor.prototype = {
  	    visitIfConditionParenthesized$1(_, node) {
  	      return J.visitIfConditionParenthesized$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return J.visitIfConditionNegation$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      return J.visitIfConditionOperation$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return J.visitIfConditionFunction$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return J.visitIfConditionSass$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return J.visitIfConditionRaw$1$x(this._if_condition_expression$_inner, node);
  	    },
  	    $isIfConditionExpressionVisitor: 1
  	  };
  	  A.JSIfConditionExpressionVisitorObject.prototype = {};
  	  A.IfRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitIfRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var result = A.ListExtensions_mapIndexed(this.clauses, new A.IfRule_toString_closure0(), type$.IfClause_2, type$.String).join$1(0, " "),
  	        lastClause = this.lastClause;
  	      return lastClause != null ? result + (" " + lastClause.toString$0(0)) : result;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.IfRule_toString_closure0.prototype = {
  	    call$2(index, clause) {
  	      var t1 = index === 0 ? "if" : "else if";
  	      return "@" + t1 + " " + clause.expression.toString$0(0) + " {" + B.JSArray_methods.join$1(clause.children, " ") + "}";
  	    },
  	    $signature: 492
  	  };
  	  A.IfRuleClause0.prototype = {};
  	  A.IfRuleClause$__closure0.prototype = {
  	    call$1(child) {
  	      var t1;
  	      $label0$0: {
  	        if (child instanceof A.VariableDeclaration0 || child instanceof A.FunctionRule0 || child instanceof A.MixinRule0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (child instanceof A.ImportRule0) {
  	          t1 = B.JSArray_methods.any$1(child.imports, new A.IfRuleClause$___closure0());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 248
  	  };
  	  A.IfRuleClause$___closure0.prototype = {
  	    call$1($import) {
  	      return $import instanceof A.DynamicImport0;
  	    },
  	    $signature: 249
  	  };
  	  A.IfClause0.prototype = {
  	    toString$0(_) {
  	      return "@if " + this.expression.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.ElseClause0.prototype = {
  	    toString$0(_) {
  	      return "@else {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    }
  	  };
  	  A.ImmutableList0.prototype = {};
  	  A.ImmutableMap0.prototype = {};
  	  A.immutableMapToDartMap_closure.prototype = {
  	    call$3(value, key, _) {
  	      this.dartMap.$indexSet(0, key, value);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 3,
  	    $signature: 495
  	  };
  	  A.NodeImporter.prototype = {
  	    loadRelative$3(url, previous, forImport) {
  	      var t1, t2, _null = null;
  	      if ($.$get$url().style.rootLength$1(url) > 0) {
  	        if (!B.JSString_methods.startsWith$1(url, "/") && !B.JSString_methods.startsWith$1(url, "file:"))
  	          return _null;
  	        return this._tryPath$2($.$get$context().style.pathFromUri$1(A._parseUri(url)), forImport);
  	      }
  	      if ((previous == null ? _null : previous.get$scheme()) !== "file")
  	        return _null;
  	      t1 = $.$get$context();
  	      previous.toString;
  	      t2 = t1.style;
  	      return this._tryPath$2(A.join(t1.dirname$1(t2.pathFromUri$1(A._parseUri(previous))), t2.pathFromUri$1(A._parseUri(url)), _null), forImport);
  	    },
  	    load$3(_, url, previous, forImport) {
  	      var t1, t2, _i, _0_0, _this = this,
  	        previousString = _this._previousToString$1(previous);
  	      for (t1 = _this._implementation$_importers, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        _0_0 = A.wrapJSExceptions(new A.NodeImporter_load_closure(_this, t1[_i], forImport, url, previousString));
  	        if (_0_0 != null)
  	          return _this._handleImportResult$4(url, previous, _0_0, forImport);
  	      }
  	      return _this._resolveLoadPathFromUrl$2(A.Uri_parse(url), forImport);
  	    },
  	    loadAsync$3(url, previous, forImport) {
  	      return this.loadAsync$body$NodeImporter(url, previous, forImport);
  	    },
  	    loadAsync$body$NodeImporter(url, previous, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Record_2_String_and_String),
  	        $async$returnValue, $async$self = this, t1, t2, _i, _0_0, previousString;
  	      var $async$loadAsync$3 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              previousString = $async$self._previousToString$1(previous);
  	              t1 = $async$self._implementation$_importers, t2 = t1.length, _i = 0;
  	            case 3:
  	              // for condition
  	              if (!(_i < t2)) {
  	                // goto after for
  	                $async$goto = 5;
  	                break;
  	              }
  	              $async$goto = 6;
  	              return A._asyncAwait($async$self._callImporterAsync$4(t1[_i], url, previousString, forImport), $async$loadAsync$3);
  	            case 6:
  	              // returning from await.
  	              _0_0 = $async$result;
  	              if (_0_0 != null) {
  	                $async$returnValue = $async$self._handleImportResult$4(url, previous, _0_0, forImport);
  	                // goto return
  	                $async$goto = 1;
  	                break;
  	              }
  	            case 4:
  	              // for update
  	              ++_i;
  	              // goto for condition
  	              $async$goto = 3;
  	              break;
  	            case 5:
  	              // after for
  	              $async$returnValue = $async$self._resolveLoadPathFromUrl$2(A.Uri_parse(url), forImport);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$loadAsync$3, $async$completer);
  	    },
  	    _previousToString$1(previous) {
  	      var t1;
  	      $label0$0: {
  	        if (previous == null) {
  	          t1 = "stdin";
  	          break $label0$0;
  	        }
  	        if ("file" === previous.get$scheme()) {
  	          t1 = $.$get$context().style.pathFromUri$1(A._parseUri(previous));
  	          break $label0$0;
  	        }
  	        t1 = previous.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _resolveLoadPathFromUrl$2(url, forImport) {
  	      return url.get$scheme() === "" || url.get$scheme() === "file" ? this._resolveLoadPath$2($.$get$context().style.pathFromUri$1(A._parseUri(url)), forImport) : null;
  	    },
  	    _resolveLoadPath$2(path, forImport) {
  	      var t1, t2, _i, t3, _1_0, _null = null,
  	        _0_0 = this._tryPath$2(A.absolute(path, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), forImport);
  	      if (_0_0 != null)
  	        return _0_0;
  	      for (t1 = this._includePaths, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        t3 = A.join(t1[_i], path, _null);
  	        _1_0 = this._tryPath$2($.$get$context().absolute$15(t3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), forImport);
  	        if (_1_0 != null)
  	          return _1_0;
  	      }
  	      return _null;
  	    },
  	    _tryPath$2(path, forImport) {
  	      var t1 = forImport ? A.inImportRule(new A.NodeImporter__tryPath_closure(path), type$.nullable_String) : A.resolveImportPath0(path);
  	      return A.NullableExtension_andThen0(t1, new A.NodeImporter__tryPath_closure0());
  	    },
  	    _handleImportResult$4(url, previous, value, forImport) {
  	      var t1, file, contents, t2, resolved;
  	      if (value instanceof self.Error)
  	        throw A.wrapException(value);
  	      if (!type$.NodeImporterResult._is(value))
  	        return null;
  	      t1 = J.getInterceptor$x(value);
  	      file = t1.get$file(value);
  	      contents = t1.get$contents(value);
  	      t1 = contents == null;
  	      t2 = !t1;
  	      if (t2 && A._asString(new self.Function("value", "return typeof value").call$1(contents)) !== "string")
  	        A.jsThrow(new A.ArgumentError(true, contents, "contents", "must be a string but was: " + A.jsType(contents)));
  	      if (file == null)
  	        return new A._Record_2(t1 ? "" : contents, url);
  	      else if (t2)
  	        return new A._Record_2(contents, $.$get$context().toUri$1(file).toString$0(0));
  	      else {
  	        resolved = this.loadRelative$3($.$get$context().toUri$1(file).toString$0(0), previous, forImport);
  	        if (resolved == null)
  	          resolved = this._resolveLoadPath$2(file, forImport);
  	        if (resolved != null)
  	          return resolved;
  	        throw A.wrapException("Can't find stylesheet to import.");
  	      }
  	    },
  	    _callImporterAsync$4(importer, url, previousString, forImport) {
  	      return this._callImporterAsync$body$NodeImporter(importer, url, previousString, forImport);
  	    },
  	    _callImporterAsync$body$NodeImporter(importer, url, previousString, forImport) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.nullable_Object),
  	        $async$returnValue, $async$self = this, t1, result;
  	      var $async$_callImporterAsync$4 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = new A._Future($.Zone__current, type$._Future_Object);
  	              result = A.wrapJSExceptions(new A.NodeImporter__callImporterAsync_closure($async$self, importer, forImport, url, previousString, new A._AsyncCompleter(t1, type$._AsyncCompleter_Object)));
  	              $async$goto = A._asBool($.$get$_isUndefined().call$1(result)) ? 3 : 4;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 5;
  	              return A._asyncAwait(t1, $async$_callImporterAsync$4);
  	            case 5:
  	              // returning from await.
  	              $async$returnValue = $async$result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 4:
  	              // join
  	              $async$returnValue = result;
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$_callImporterAsync$4, $async$completer);
  	    },
  	    _renderContext$1(fromImport) {
  	      var context = {options: type$.RenderContextOptions._as(this._implementation$_options), fromImport: fromImport};
  	      J.set$context$x(J.get$options$x(context), context);
  	      return context;
  	    }
  	  };
  	  A.NodeImporter_load_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return J.apply$2$x(_this.importer, _this.$this._renderContext$1(_this.forImport), A._setArrayType([_this.url, _this.previousString], type$.JSArray_Object));
  	    },
  	    $signature: 36
  	  };
  	  A.NodeImporter__tryPath_closure.prototype = {
  	    call$0() {
  	      return A.resolveImportPath0(this.path);
  	    },
  	    $signature: 47
  	  };
  	  A.NodeImporter__tryPath_closure0.prototype = {
  	    call$1(resolved) {
  	      return new A._Record_2(A.readFile0(resolved), $.$get$context().toUri$1(resolved).toString$0(0));
  	    },
  	    $signature: 496
  	  };
  	  A.NodeImporter__callImporterAsync_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      return J.apply$2$x(_this.importer, _this.$this._renderContext$1(_this.forImport), A._setArrayType([_this.url, _this.previousString, A.allowInterop(_this.completer.get$complete())], type$.JSArray_Object));
  	    },
  	    $signature: 36
  	  };
  	  A.ModifiableCssImport0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssImport$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ImportCache0.prototype = {
  	    canonicalize$4$baseImporter$baseUrl$forImport(_, url, baseImporter, baseUrl, forImport) {
  	      var t1, resolvedUrl, key, relativeResult, t2, t3, t4, t5, t6, cacheable, i, importer, perImporterKey, t7, _1_0, _1_2_isSet, result, _1_2, _2_0, _2_1, _2_5_isSet, _2_5, _2_3, _2_3_isSet, j, _this = this, _null = null;
  	      if (A.isBrowser())
  	        t1 = (baseImporter == null || baseImporter instanceof A.NoOpImporter0) && _this._import_cache$_importers.length === 0;
  	      else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(string$.Customi);
  	      if (baseImporter != null && url.get$scheme() === "") {
  	        resolvedUrl = baseUrl == null ? _null : baseUrl.resolveUri$1(url);
  	        if (resolvedUrl == null)
  	          resolvedUrl = url;
  	        key = new A._Record_3_forImport(baseImporter, resolvedUrl, forImport);
  	        relativeResult = _this._import_cache$_perImporterCanonicalizeCache.putIfAbsent$2(key, new A.ImportCache_canonicalize_closure0(_this, baseImporter, resolvedUrl, baseUrl, forImport, key, url));
  	        if (relativeResult != null)
  	          return relativeResult;
  	      }
  	      key = new A._Record_2_forImport(url, forImport);
  	      t1 = _this._import_cache$_canonicalizeCache;
  	      if (t1.containsKey$1(key))
  	        return t1.$index(0, key);
  	      for (t2 = _this._import_cache$_importers, t3 = type$.Record_1_nullable_Object, t4 = _this._import_cache$_perImporterCanonicalizeCache, t5 = type$.nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2, t6 = type$.Record_3_Importer_and_Uri_and_Uri_originalUrl_2, cacheable = true, i = 0; i < t2.length; ++i) {
  	        importer = t2[i];
  	        perImporterKey = new A._Record_3_forImport(importer, url, forImport);
  	        if (t4.containsKey$1(perImporterKey)) {
  	          t7 = t4.$index(0, perImporterKey);
  	          _1_0 = new A._Record_1(t7 == null ? t5._as(t7) : t7);
  	        } else
  	          _1_0 = _null;
  	        _1_2_isSet = t3._is(_1_0);
  	        result = _null;
  	        if (_1_2_isSet) {
  	          _1_2 = _1_0._0;
  	          t7 = _1_2 != null;
  	          if (t7) {
  	            t6._as(_1_2);
  	            result = _1_2;
  	          }
  	        } else {
  	          _1_2 = _null;
  	          t7 = false;
  	        }
  	        if (t7)
  	          return result;
  	        if (_1_2_isSet)
  	          t7 = _1_2 == null;
  	        else
  	          t7 = false;
  	        if (t7)
  	          continue;
  	        $label0$1: {
  	          _2_0 = _this._import_cache$_canonicalize$4(importer, url, baseUrl, forImport);
  	          _2_1 = _2_0._0;
  	          _2_5_isSet = _2_1 != null;
  	          _2_5 = _null;
  	          _2_3 = _null;
  	          t7 = false;
  	          if (_2_5_isSet) {
  	            result = _2_1 == null ? t6._as(_2_1) : _2_1;
  	            _2_3 = _2_0._1;
  	            t7 = _2_3;
  	            _2_5 = t7;
  	            t7 = t7 && cacheable;
  	          } else
  	            result = _null;
  	          if (t7) {
  	            t1.$indexSet(0, key, result);
  	            return result;
  	          }
  	          if (_2_5_isSet) {
  	            t7 = _2_5;
  	            _2_3_isSet = _2_5_isSet;
  	          } else {
  	            _2_3 = _2_0._1;
  	            t7 = _2_3;
  	            _2_3_isSet = true;
  	          }
  	          t7 = t7 && !cacheable;
  	          if (t7) {
  	            t4.$indexSet(0, perImporterKey, _2_1);
  	            if (_2_1 != null)
  	              return _2_1;
  	            break $label0$1;
  	          }
  	          t7 = false === (_2_3_isSet ? _2_3 : _2_0._1);
  	          if (t7) {
  	            if (cacheable) {
  	              for (j = 0; j < i; ++j)
  	                t4.$indexSet(0, new A._Record_3_forImport(t2[j], url, forImport), _null);
  	              cacheable = false;
  	            }
  	            if (_2_1 != null)
  	              return _2_1;
  	          }
  	        }
  	      }
  	      if (cacheable)
  	        t1.$indexSet(0, key, _null);
  	      return _null;
  	    },
  	    _import_cache$_canonicalize$4(importer, url, baseUrl, forImport) {
  	      var passContainingUrl, canonicalizeContext, t1, result, cacheable;
  	      if (baseUrl != null)
  	        passContainingUrl = url.get$scheme() === "" || importer.isNonCanonicalScheme$1(url.get$scheme());
  	      else
  	        passContainingUrl = false;
  	      canonicalizeContext = new A.CanonicalizeContext0(forImport, passContainingUrl ? baseUrl : null);
  	      t1 = type$.nullable_Object;
  	      result = A.runZoned(new A.ImportCache__canonicalize_closure0(importer, url), A.LinkedHashMap_LinkedHashMap$_literal([B.Symbol__canonicalizeContext, canonicalizeContext], t1, t1), type$.nullable_Uri);
  	      cacheable = !passContainingUrl || !canonicalizeContext._canonicalize_context$_wasContainingUrlAccessed;
  	      if (result == null)
  	        return new A._Record_2(null, cacheable);
  	      if (result.get$scheme() !== "" && importer.isNonCanonicalScheme$1(result.get$scheme()))
  	        throw A.wrapException("Importer " + importer.toString$0(0) + " canonicalized " + url.toString$0(0) + " to " + result.toString$0(0) + string$.x2c_whicu);
  	      return new A._Record_2(new A._Record_3_originalUrl(importer, result, url), cacheable);
  	    },
  	    importCanonical$3$originalUrl(importer, canonicalUrl, originalUrl) {
  	      return this._import_cache$_importCache.putIfAbsent$2(canonicalUrl, new A.ImportCache_importCanonical_closure0(this, importer, canonicalUrl, originalUrl));
  	    },
  	    humanize$1(canonicalUrl) {
  	      var t1 = this._import_cache$_canonicalizeCache,
  	        t2 = type$.NonNullsIterable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2;
  	      t2 = A.NullableExtension_andThen0(A.minBy(new A.MappedIterable(new A.WhereIterable(new A.NonNullsIterable(new A.LinkedHashMapValuesIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapValuesIterable<2>")), t2), new A.ImportCache_humanize_closure3(canonicalUrl), t2._eval$1("WhereIterable<Iterable.E>")), new A.ImportCache_humanize_closure4(), t2._eval$1("MappedIterable<Iterable.E,Uri>")), new A.ImportCache_humanize_closure5()), new A.ImportCache_humanize_closure6(canonicalUrl));
  	      return t2 == null ? canonicalUrl : t2;
  	    },
  	    sourceMapUrl$1(_, canonicalUrl) {
  	      var t1 = this._import_cache$_resultsCache.$index(0, canonicalUrl);
  	      t1 = t1 == null ? null : t1.get$sourceMapUrl(0);
  	      return t1 == null ? canonicalUrl : t1;
  	    }
  	  };
  	  A.ImportCache_canonicalize_closure0.prototype = {
  	    call$0() {
  	      var _this = this,
  	        t1 = _this.$this,
  	        t2 = _this.baseUrl,
  	        _0_0 = t1._import_cache$_canonicalize$4(_this.baseImporter, _this.resolvedUrl, t2, _this.forImport);
  	      if (t2 != null)
  	        t1._import_cache$_nonCanonicalRelativeUrls.$indexSet(0, _this.key, _this.url);
  	      return _0_0._0;
  	    },
  	    $signature: 497
  	  };
  	  A.ImportCache__canonicalize_closure0.prototype = {
  	    call$0() {
  	      return this.importer.canonicalize$1(0, this.url);
  	    },
  	    $signature: 144
  	  };
  	  A.ImportCache_importCanonical_closure0.prototype = {
  	    call$0() {
  	      var t3, _this = this,
  	        t1 = Date.now(),
  	        t2 = _this.canonicalUrl,
  	        result = _this.importer.load$1(0, t2);
  	      if (result == null)
  	        return null;
  	      t3 = _this.$this;
  	      t3._import_cache$_loadTimes.$indexSet(0, t2, new A.DateTime(t1, 0, false));
  	      t3._import_cache$_resultsCache.$indexSet(0, t2, result);
  	      t3 = result.contents;
  	      t1 = result.syntax;
  	      t2 = _this.originalUrl.resolveUri$1(t2);
  	      return A.Stylesheet_Stylesheet$parse0(t3, t1, false, t2);
  	    },
  	    $signature: 498
  	  };
  	  A.ImportCache_humanize_closure3.prototype = {
  	    call$1(result) {
  	      return result._1.$eq(0, this.canonicalUrl);
  	    },
  	    $signature: 499
  	  };
  	  A.ImportCache_humanize_closure4.prototype = {
  	    call$1(result) {
  	      return result._2;
  	    },
  	    $signature: 500
  	  };
  	  A.ImportCache_humanize_closure5.prototype = {
  	    call$1(url) {
  	      return url.get$path(url).length;
  	    },
  	    $signature: 107
  	  };
  	  A.ImportCache_humanize_closure6.prototype = {
  	    call$1(url) {
  	      var t1 = $.$get$url(),
  	        t2 = this.canonicalUrl;
  	      return url.resolve$1(0, A.ParsedPath_ParsedPath$parse(t2.get$path(t2), t1.style).get$basename());
  	    },
  	    $signature: 49
  	  };
  	  A.ImportRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitImportRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@import " + B.JSArray_methods.join$1(this.imports, ", ") + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.JSImporter.prototype = {};
  	  A.JSImporterResult.prototype = {};
  	  A.Importer0.prototype = {
  	    isNonCanonicalScheme$1(scheme) {
  	      return false;
  	    }
  	  };
  	  A.NodeImporterResult0.prototype = {};
  	  A.IncludeRule0.prototype = {
  	    get$spanWithoutContent() {
  	      var t2,
  	        t1 = this.span;
  	      if (!(this.content == null)) {
  	        t2 = this.$arguments.span;
  	        t2 = A.SpanExtensions_trimRight0(A.SpanExtensions_trimLeft0(t1.get$file(t1).span$2(0, t1.get$start(t1).offset, t2.get$end(t2).offset)));
  	        t1 = t2;
  	      }
  	      return t1;
  	    },
  	    get$nameSpan() {
  	      var startSpan, scanner, _null = null,
  	        t1 = this.span;
  	      if (B.JSString_methods.startsWith$1(t1.get$text(), "+"))
  	        startSpan = A.SpanExtensions_trimLeft0(A.FileSpanExtension_subspan(t1, 1, _null));
  	      else {
  	        scanner = A.StringScanner$(t1.get$text(), _null, _null);
  	        scanner.expectChar$1(64);
  	        A._scanIdentifier0(scanner);
  	        startSpan = A.SpanExtensions_trimLeft0(A.FileSpanExtension_subspan(t1, scanner._string_scanner$_position, _null));
  	      }
  	      if (this.namespace != null) {
  	        scanner = A.StringScanner$(startSpan.get$text(), _null, _null);
  	        A._scanIdentifier0(scanner);
  	        startSpan = A.FileSpanExtension_subspan(A.FileSpanExtension_subspan(startSpan, scanner._string_scanner$_position, _null), 1, _null);
  	      }
  	      return A.SpanExtensions_initialIdentifier0(startSpan);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitIncludeRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = _this.namespace;
  	      t1 = t1 != null ? "@include " + (t1 + ".") : "@include ";
  	      t1 += _this.name;
  	      t2 = _this.$arguments;
  	      if (!t2.get$isEmpty(0))
  	        t1 += "(" + t2.toString$0(0) + ")";
  	      t2 = _this.content;
  	      t1 += t2 == null ? ";" : " " + t2.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.InterpolatedFunctionExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitInterpolatedFunctionExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0) + this.$arguments.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.InterpolatedSelector.prototype = {$isAstNode0: 1, $isSassNode: 1};
  	  A.Interpolation0.prototype = {
  	    get$asPlain() {
  	      var _0_1, t1, _0_6_isSet, _0_6, first,
  	        _0_0 = this.contents;
  	      $label0$0: {
  	        _0_1 = _0_0.length;
  	        if (_0_1 <= 0) {
  	          t1 = "";
  	          break $label0$0;
  	        }
  	        _0_6_isSet = _0_1 === 1;
  	        if (_0_6_isSet) {
  	          _0_6 = _0_0[0];
  	          t1 = typeof _0_6 == "string";
  	        } else {
  	          _0_6 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          first = A._asString(_0_6_isSet ? _0_6 : _0_0[0]);
  	          t1 = first;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$initialPlain() {
  	      var _0_4_isSet, _0_4, t1, first,
  	        _0_0 = this.contents;
  	      $label0$0: {
  	        _0_4_isSet = _0_0.length >= 1;
  	        if (_0_4_isSet) {
  	          _0_4 = _0_0[0];
  	          t1 = typeof _0_4 == "string";
  	        } else {
  	          _0_4 = null;
  	          t1 = false;
  	        }
  	        if (t1) {
  	          first = A._asString(_0_4_isSet ? _0_4 : _0_0[0]);
  	          t1 = first;
  	          break $label0$0;
  	        }
  	        t1 = "";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    spanForElement$1(index) {
  	      var t1, t2, t3, t4, t5, _this = this;
  	      $label0$0: {
  	        if (typeof _this.contents[index] == "string") {
  	          t1 = _this.span;
  	          t2 = t1.get$file(t1);
  	          if (index === 0)
  	            t3 = t1.get$start(t1);
  	          else {
  	            t3 = _this.spans[index - 1];
  	            t3 = t3.get$end(t3);
  	          }
  	          t4 = index + 1;
  	          t5 = _this.spans;
  	          if (t4 === t5.length)
  	            t1 = t1.get$end(t1);
  	          else {
  	            t1 = t5[t4];
  	            t1 = t1.get$start(t1);
  	          }
  	          t1 = t2.span$2(0, t3.offset, t1.offset);
  	          break $label0$0;
  	        }
  	        t1 = _this.spans[index];
  	        t1.toString;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    Interpolation$30(contents, spans, span) {
  	      var t1, t2, t3, t4, i, t5, isString, _s5_ = "spans",
  	        _s8_ = "contents";
  	      if (spans.length !== J.get$length$asx(contents))
  	        throw A.wrapException(A.ArgumentError$value(this.spans, _s5_, "Must be the same length as contents."));
  	      for (t1 = this.contents, t2 = t1.length, t3 = spans.length, t4 = this.spans, i = 0; i < t2; ++i) {
  	        t5 = t1[i];
  	        isString = typeof t5 == "string";
  	        if (!isString && !(t5 instanceof A.Expression0))
  	          throw A.wrapException(A.ArgumentError$value(t1, _s8_, "May only contain Strings or Expressions."));
  	        else if (isString) {
  	          if (i !== 0 && typeof t1[i - 1] == "string")
  	            throw A.wrapException(A.ArgumentError$value(t1, _s8_, "May not contain adjacent Strings."));
  	          else if (i < t3 && t4[i] != null)
  	            throw A.wrapException(A.ArgumentError$value(t4, _s5_, string$.May_no + i + ")."));
  	        } else if (i >= t3 || t4[i] == null)
  	          throw A.wrapException(A.ArgumentError$value(t4, _s5_, string$.Must_n + i + ")."));
  	      }
  	    },
  	    toString$0(_) {
  	      var t1 = this.contents;
  	      return new A.MappedListIterable(t1, new A.Interpolation_toString_closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Interpolation_toString_closure0.prototype = {
  	    call$1(value) {
  	      return typeof value == "string" ? value : "#{" + A.S(value) + "}";
  	    },
  	    $signature: 132
  	  };
  	  A.SupportsInterpolation0.prototype = {
  	    toInterpolation$0() {
  	      var t1 = this.span;
  	      return A.Interpolation$0(A._setArrayType([this.expression], type$.JSArray_Object), A._setArrayType([t1], type$.JSArray_nullable_FileSpan), t1);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsInterpolation0(this.expression, span);
  	    },
  	    toString$0(_) {
  	      return "#{" + this.expression.toString$0(0) + "}";
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.InterpolationBuffer0.prototype = {
  	    writeCharCode$1(character) {
  	      var t1 = this._interpolation_buffer0$_text,
  	        t2 = A.Primitives_stringFromCharCode(character);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    add$2(_, expression, span) {
  	      this._interpolation_buffer0$_flushText$0();
  	      this._interpolation_buffer0$_contents.push(expression);
  	      this._interpolation_buffer0$_spans.push(span);
  	    },
  	    addInterpolation$1(interpolation) {
  	      var spansToAdd, _0_4_isSet, _0_4, first, rest, t2, t3, _this = this,
  	        toAdd = interpolation.contents,
  	        t1 = toAdd.length;
  	      if (t1 === 0)
  	        return;
  	      spansToAdd = interpolation.spans;
  	      _0_4_isSet = t1 >= 1;
  	      if (_0_4_isSet) {
  	        _0_4 = toAdd[0];
  	        t1 = typeof _0_4 == "string";
  	      } else {
  	        _0_4 = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        first = A._asString(_0_4_isSet ? _0_4 : toAdd[0]);
  	        rest = B.JSArray_methods.sublist$1(toAdd, 1);
  	        t1 = _this._interpolation_buffer0$_text;
  	        t1._contents += first;
  	        spansToAdd = A.SubListIterable$(spansToAdd, 1, null, A._arrayInstanceType(spansToAdd)._precomputed1);
  	        toAdd = rest;
  	      }
  	      _this._interpolation_buffer0$_flushText$0();
  	      t1 = _this._interpolation_buffer0$_contents;
  	      B.JSArray_methods.addAll$1(t1, toAdd);
  	      t2 = _this._interpolation_buffer0$_spans;
  	      B.JSArray_methods.addAll$1(t2, spansToAdd);
  	      if (typeof B.JSArray_methods.get$last(t1) == "string") {
  	        t3 = _this._interpolation_buffer0$_text;
  	        t1 = A.S(t1.pop());
  	        t3._contents += t1;
  	        t2.pop();
  	      }
  	    },
  	    _interpolation_buffer0$_flushText$0() {
  	      var t1 = this._interpolation_buffer0$_text,
  	        t2 = t1._contents;
  	      if (t2.length === 0)
  	        return;
  	      this._interpolation_buffer0$_contents.push(t2.charCodeAt(0) == 0 ? t2 : t2);
  	      this._interpolation_buffer0$_spans.push(null);
  	      t1._contents = "";
  	    },
  	    interpolation$1(span) {
  	      var t1 = A.List_List$_of(this._interpolation_buffer0$_contents, type$.Object),
  	        t2 = this._interpolation_buffer0$_text,
  	        t3 = t2._contents;
  	      if (t3.length !== 0)
  	        t1.push(t3.charCodeAt(0) == 0 ? t3 : t3);
  	      t3 = A.List_List$_of(this._interpolation_buffer0$_spans, type$.nullable_FileSpan);
  	      if (t2._contents.length !== 0)
  	        t3.push(null);
  	      return A.Interpolation$0(t1, t3, span);
  	    },
  	    toString$0(_) {
  	      var t1, t2, _i, t3, element;
  	      for (t1 = this._interpolation_buffer0$_contents, t2 = t1.length, _i = 0, t3 = ""; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        element = t1[_i];
  	        t3 = typeof element == "string" ? t3 + element : t3 + "#{" + A.S(element) + A.Primitives_stringFromCharCode(125);
  	      }
  	      t1 = t3 + this._interpolation_buffer0$_text.toString$0(0);
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A.InterpolationMap0.prototype = {
  	    mapException$1(error) {
  	      var source, startIndex, endIndex, t3, t4, _this = this,
  	        target = error.get$span(error),
  	        t1 = _this._interpolation_map$_interpolation,
  	        t2 = t1.contents;
  	      if (t2.length === 0) {
  	        if (_this._interpolation_map$_isMapped$1(target))
  	          return error;
  	        return new A.SourceSpanFormatException(error.get$source(), error._span_exception$_message, t1.span);
  	      }
  	      source = _this.mapSpan$1(target);
  	      if (source === target)
  	        return error;
  	      startIndex = _this._interpolation_map$_indexInContents$1(target.get$start(target));
  	      endIndex = _this._interpolation_map$_indexInContents$1(target.get$end(target));
  	      t1 = error._span_exception$_message;
  	      if (!A.SubListIterable$(t2, startIndex, null, A._arrayInstanceType(t2)._precomputed1).take$1(0, endIndex - startIndex + 1).any$1(0, new A.InterpolationMap_mapException_closure0()))
  	        return new A.SourceSpanFormatException(error.get$source(), t1, source);
  	      else {
  	        t2 = type$.SourceSpan;
  	        t3 = type$.String;
  	        t4 = A.LinkedHashMap_LinkedHashMap$_literal([target, "error in interpolated output"], t2, t3);
  	        return new A.MultiSourceSpanFormatException(error.get$source(), "", A.ConstantMap_ConstantMap$from(t4, t2, t3), t1, source);
  	      }
  	    },
  	    mapSpan$1(target) {
  	      var _0_1, _0_2, t1, _0_2_isSet, t2, start, _0_20, end, _this = this, _null = null;
  	      if (_this._interpolation_map$_isMapped$1(target))
  	        return target;
  	      _0_1 = _this._interpolation_map$_mapLocation$1(target.get$start(target));
  	      _0_2 = _this._interpolation_map$_mapLocation$1(target.get$end(target));
  	      $label0$0: {
  	        t1 = type$.FileSpan;
  	        _0_2_isSet = t1._is(_0_1);
  	        t2 = false;
  	        if (_0_2_isSet) {
  	          t2 = t1._is(_0_2);
  	          start = _0_1;
  	          _0_20 = _0_2;
  	        } else {
  	          start = _null;
  	          _0_20 = start;
  	        }
  	        if (t2) {
  	          t1 = start.expand$1(0, t1._as(_0_2_isSet ? _0_20 : _0_2));
  	          break $label0$0;
  	        }
  	        t2 = false;
  	        if (t1._is(_0_1)) {
  	          if (_0_2_isSet)
  	            t2 = _0_20;
  	          else {
  	            t2 = _0_2;
  	            _0_20 = t2;
  	            _0_2_isSet = true;
  	          }
  	          t2 = t2 instanceof A.FileLocation;
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t2) {
  	          t1 = _0_2_isSet ? _0_20 : _0_2;
  	          type$.FileLocation._as(t1);
  	          t2 = _this._interpolation_map$_interpolation.span;
  	          t1 = t2.get$file(t2).span$2(0, _this._interpolation_map$_expandInterpolationSpanLeft$1(start.get$start(start)), t1.offset);
  	          break $label0$0;
  	        }
  	        t2 = false;
  	        if (_0_1 instanceof A.FileLocation) {
  	          if (_0_2_isSet)
  	            t2 = _0_20;
  	          else {
  	            t2 = _0_2;
  	            _0_20 = t2;
  	            _0_2_isSet = true;
  	          }
  	          t2 = t1._is(t2);
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t2) {
  	          end = t1._as(_0_2_isSet ? _0_20 : _0_2);
  	          t1 = _this._interpolation_map$_interpolation.span;
  	          t1 = t1.get$file(t1).span$2(0, start.offset, _this._interpolation_map$_expandInterpolationSpanRight$1(end.get$end(end)));
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        if (_0_1 instanceof A.FileLocation) {
  	          if (_0_2_isSet)
  	            t1 = _0_20;
  	          else {
  	            t1 = _0_2;
  	            _0_20 = t1;
  	            _0_2_isSet = true;
  	          }
  	          t1 = t1 instanceof A.FileLocation;
  	          start = _0_1;
  	        } else
  	          start = _null;
  	        if (t1) {
  	          t1 = _0_2_isSet ? _0_20 : _0_2;
  	          type$.FileLocation._as(t1);
  	          t2 = _this._interpolation_map$_interpolation.span;
  	          t1 = t2.get$file(t2).span$2(0, start.offset, t1.offset);
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression("[BUG] Unreachable");
  	      }
  	      return t1;
  	    },
  	    _interpolation_map$_isMapped$1(span) {
  	      var file, t1;
  	      $label0$0: {
  	        file = span.get$file(span);
  	        t1 = this._interpolation_map$_interpolation.span;
  	        t1 = t1.get$file(t1);
  	        break $label0$0;
  	      }
  	      return file === t1;
  	    },
  	    _interpolation_map$_mapLocation$1(target) {
  	      var index, _0_0, t3, previousLocation, _this = this,
  	        t1 = _this._interpolation_map$_interpolation,
  	        t2 = t1.contents;
  	      if (t2.length === 0)
  	        return t1.span;
  	      index = _this._interpolation_map$_indexInContents$1(target);
  	      _0_0 = t2[index];
  	      if (_0_0 instanceof A.Expression0)
  	        return _0_0.get$span(_0_0);
  	      t3 = index === 0;
  	      t1 = t1.span;
  	      if (t3)
  	        previousLocation = t1.get$start(t1);
  	      else {
  	        t1 = t1.get$file(t1);
  	        t2 = type$.Expression_2._as(t2[index - 1]);
  	        t2 = t2.get$span(t2);
  	        previousLocation = A.FileLocation$_(t1, _this._interpolation_map$_expandInterpolationSpanRight$1(t2.get$end(t2)));
  	      }
  	      t1 = t3 ? 0 : _this._interpolation_map$_targetOffsets[index - 1];
  	      return A.FileLocation$_(previousLocation.file, previousLocation.offset + (target.offset - t1));
  	    },
  	    _interpolation_map$_indexInContents$1(target) {
  	      var t1, t2, t3, i;
  	      for (t1 = this._interpolation_map$_targetOffsets, t2 = t1.length, t3 = target.offset, i = 0; i < t2; ++i)
  	        if (t3 < t1[i])
  	          return i;
  	      return this._interpolation_map$_interpolation.contents.length - 1;
  	    },
  	    _interpolation_map$_expandInterpolationSpanLeft$1(start) {
  	      var i0, prev, char,
  	        source = start.file._decodedChars,
  	        i = start.offset - 1;
  	      while (i >= 0) {
  	        i0 = i - 1;
  	        prev = source[i];
  	        if (prev === 123) {
  	          if (source[i0] === 35) {
  	            i = i0;
  	            break;
  	          }
  	          i = i0;
  	        } else if (prev === 47) {
  	          i = i0 - 1;
  	          if (source[i0] === 42)
  	            for (;;) {
  	              i0 = i - 1;
  	              if (source[i] !== 42) {
  	                i = i0;
  	                continue;
  	              }
  	              i = i0;
  	              do {
  	                i0 = i - 1;
  	                char = source[i];
  	                if (char === 42) {
  	                  i = i0;
  	                  continue;
  	                } else
  	                  break;
  	              } while (true);
  	              if (char === 47) {
  	                i = i0;
  	                break;
  	              }
  	              i = i0;
  	            }
  	        } else
  	          i = i0;
  	      }
  	      return i;
  	    },
  	    _interpolation_map$_expandInterpolationSpanRight$1(end) {
  	      var t1, i0, next, second, t2, char,
  	        source = end.file._decodedChars,
  	        i = end.offset;
  	      for (t1 = source.length; i < t1;) {
  	        i0 = i + 1;
  	        next = source[i];
  	        if (next === 125) {
  	          i = i0;
  	          break;
  	        }
  	        if (next === 47) {
  	          i = i0 + 1;
  	          second = source[i0];
  	          if (second === 47) {
  	            for (;;) {
  	              i0 = i + 1;
  	              t2 = source[i];
  	              if (!!(t2 === 10 || t2 === 13 || t2 === 12))
  	                break;
  	              i = i0;
  	            }
  	            i = i0;
  	          } else if (second === 42)
  	            for (;;) {
  	              i0 = i + 1;
  	              if (source[i] !== 42) {
  	                i = i0;
  	                continue;
  	              }
  	              i = i0;
  	              do {
  	                i0 = i + 1;
  	                char = source[i];
  	                if (char === 42) {
  	                  i = i0;
  	                  continue;
  	                } else
  	                  break;
  	              } while (true);
  	              if (char === 47) {
  	                i = i0;
  	                break;
  	              }
  	              i = i0;
  	            }
  	        } else
  	          i = i0;
  	      }
  	      return i;
  	    }
  	  };
  	  A.InterpolationMap_mapException_closure0.prototype = {
  	    call$1($content) {
  	      return $content instanceof A.Expression0;
  	    },
  	    $signature: 73
  	  };
  	  A.InterpolationMethod0.prototype = {
  	    toString$0(_) {
  	      var t1 = this.hue;
  	      t1 = t1 == null ? "" : " " + t1.toString$0(0) + " hue";
  	      return this.space.name + t1;
  	    }
  	  };
  	  A.HueInterpolationMethod0.prototype = {
  	    _enumToString$0() {
  	      return "HueInterpolationMethod." + this._name;
  	    }
  	  };
  	  A._realCasePath_helper0.prototype = {
  	    call$2(path, realPath) {
  	      var dirname = $.$get$context().dirname$1(path);
  	      if (dirname === path)
  	        return path;
  	      return $._realCaseCache0.putIfAbsent$2(path, new A._realCasePath_helper_closure0(path, realPath, this, dirname));
  	    },
  	    call$1(path) {
  	      return this.call$2(path, null);
  	    },
  	    $signature: 149
  	  };
  	  A._realCasePath_helper_closure0.prototype = {
  	    call$0() {
  	      var realPathNonNull, realDirname, basename, matches, t1, _0_0, match, realPathNonNull0, _this = this,
  	        t2 = _this.path;
  	      if (!A.linkExists0(t2)) {
  	        realPathNonNull = null;
  	        try {
  	          realPathNonNull0 = _this.realPath;
  	          realPathNonNull = realPathNonNull0 == null ? A.realpath0(t2) : realPathNonNull0;
  	        } catch (exception) {
  	          if (A.unwrapException(exception) instanceof A.FileSystemException0)
  	            return t2;
  	          else
  	            throw exception;
  	        }
  	        t1 = realPathNonNull;
  	        t2 = $.$get$context();
  	        return A.join(_this.helper.call$2(_this.dirname, t2.dirname$1(t1)), A.ParsedPath_ParsedPath$parse(realPathNonNull, t2.style).get$basename(), null);
  	      }
  	      realDirname = _this.helper.call$1(_this.dirname);
  	      basename = A.ParsedPath_ParsedPath$parse(t2, $.$get$context().style).get$basename();
  	      try {
  	        matches = J.where$1$ax(A.listDir0(realDirname), new A._realCasePath_helper__closure0(basename)).toList$0(0);
  	        t1 = null;
  	        _0_0 = matches;
  	        $label0$0: {
  	          match = null;
  	          if (J.get$length$asx(_0_0) === 1) {
  	            match = J.$index$asx(_0_0, 0);
  	            t1 = match;
  	            break $label0$0;
  	          }
  	          t1 = A.join(realDirname, basename, null);
  	          break $label0$0;
  	        }
  	        t1 = t1;
  	        return t1;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.FileSystemException0)
  	          return t2;
  	        else
  	          throw exception;
  	      }
  	    },
  	    $signature: 29
  	  };
  	  A._realCasePath_helper__closure0.prototype = {
  	    call$1(realPath) {
  	      return A.equalsIgnoreCase0(A.ParsedPath_ParsedPath$parse(realPath, $.$get$context().style).get$basename(), this.basename);
  	    },
  	    $signature: 4
  	  };
  	  A.IsCalculationSafeVisitor0.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return B.Set_xkEMv0.contains$1(0, node.operator) && node.left.accept$1(this) && node.right.accept$1(this);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return false;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return true;
  	    },
  	    visitIfExpression$1(_, node) {
  	      return true;
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return true;
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return true;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = false;
  	      if (node.separator === B.ListSeparator_SrV0)
  	        if (!node.hasBrackets) {
  	          t1 = node.contents;
  	          t1 = t1.length > 1 && B.JSArray_methods.every$1(t1, new A.IsCalculationSafeVisitor_visitListExpression_closure0(this));
  	        }
  	      return t1;
  	    },
  	    visitMapExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNullExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return true;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitStringExpression$1(_, node) {
  	      var text, t1, t2;
  	      if (node.hasQuotes)
  	        return false;
  	      text = node.text.get$initialPlain();
  	      t1 = false;
  	      if (!B.JSString_methods.startsWith$1(text, "!"))
  	        if (!B.JSString_methods.startsWith$1(text, "#")) {
  	          t2 = text.length;
  	          if ((1 >= t2 ? null : text.charCodeAt(1)) !== 43)
  	            t1 = (3 >= t2 ? null : text.charCodeAt(3)) !== 40;
  	        }
  	      return t1;
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return false;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return false;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return true;
  	    },
  	    $isExpressionVisitor: 1
  	  };
  	  A.IsCalculationSafeVisitor_visitListExpression_closure0.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 81
  	  };
  	  A.IsPlainCssVisitor0.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return false;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return true;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return node.namespace == null && this._is_plain_css$_visitArgumentList$1(node.$arguments);
  	    },
  	    visitIfExpression$1(_, node) {
  	      return B.JSArray_methods.every$1(node.branches, new A.IsPlainCssVisitor_visitIfExpression_closure0(this));
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      var t1 = this._is_plain_css$_visitArgumentList$1(node.$arguments);
  	      return t1;
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return false;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return (t1.length !== 0 || node.hasBrackets) && B.JSArray_methods.every$1(t1, new A.IsPlainCssVisitor_visitListExpression_closure0(this));
  	    },
  	    visitMapExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNullExpression$1(_, node) {
  	      return false;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return true;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return false;
  	    },
  	    visitStringExpression$1(_, node) {
  	      return true;
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return false;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return false;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return false;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return false;
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return node.expression.accept$1(this);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      return B.JSArray_methods.every$1(node.expressions, new A.IsPlainCssVisitor_visitIfConditionOperation_closure0(this));
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return true;
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return false;
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return true;
  	    },
  	    _is_plain_css$_visitArgumentList$1(node) {
  	      var t1 = node.named;
  	      return t1.get$isEmpty(t1) && node.rest == null && B.JSArray_methods.every$1(node.positional, new A.IsPlainCssVisitor__visitArgumentList_closure0(this));
  	    },
  	    $isExpressionVisitor: 1,
  	    $isIfConditionExpressionVisitor: 1
  	  };
  	  A.IsPlainCssVisitor_visitIfExpression_closure0.prototype = {
  	    call$1(pair) {
  	      var _0_1, condition, t1;
  	      $label0$0: {
  	        _0_1 = pair._0;
  	        if (_0_1 != null) {
  	          condition = _0_1 == null ? type$.IfConditionExpression_2._as(_0_1) : _0_1;
  	          t1 = this.$this;
  	          t1 = condition.accept$1(t1) && pair._1.accept$1(t1);
  	          break $label0$0;
  	        }
  	        t1 = pair._1.accept$1(this.$this);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 501
  	  };
  	  A.IsPlainCssVisitor_visitListExpression_closure0.prototype = {
  	    call$1(element) {
  	      return element.accept$1(this.$this);
  	    },
  	    $signature: 81
  	  };
  	  A.IsPlainCssVisitor_visitIfConditionOperation_closure0.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 502
  	  };
  	  A.IsPlainCssVisitor__visitArgumentList_closure0.prototype = {
  	    call$1(argument) {
  	      return argument.accept$1(this.$this);
  	    },
  	    $signature: 81
  	  };
  	  A.FileSystemException0.prototype = {
  	    toString$0(_) {
  	      var t1 = $.$get$context();
  	      return t1.prettyUri$1(t1.toUri$1(this.path)) + ": " + this.message;
  	    },
  	    get$message(receiver) {
  	      return this.message;
  	    }
  	  };
  	  A._readFile_closure0.prototype = {
  	    call$0() {
  	      return J.readFileSync$2$x(A.fs(), this.path, this.encoding);
  	    },
  	    $signature: 64
  	  };
  	  A.fileExists_closure0.prototype = {
  	    call$0() {
  	      var error, systemError, t1 = this.path;
  	      if (!J.existsSync$1$x(A.fs(), t1))
  	        return false;
  	      try {
  	        t1 = J.isFile$0$x(J.statSync$1$x(A.fs(), t1));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.dirExists_closure0.prototype = {
  	    call$0() {
  	      var error, systemError, t1 = this.path;
  	      if (!J.existsSync$1$x(A.fs(), t1))
  	        return false;
  	      try {
  	        t1 = J.isDirectory$0$x(J.statSync$1$x(A.fs(), t1));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.linkExists_closure0.prototype = {
  	    call$0() {
  	      var error, systemError, t1;
  	      try {
  	        t1 = J.isSymbolicLink$0$x(J.lstatSync$1$x(A.fs(), this.path));
  	        return t1;
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        systemError = type$.JsSystemError._as(error);
  	        if (J.$eq$(J.get$code$x(systemError), "ENOENT"))
  	          return false;
  	        throw exception;
  	      }
  	    },
  	    $signature: 20
  	  };
  	  A.listDir_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.path;
  	      if (!this.recursive)
  	        return J.map$1$1$ax(J.readdirSync$1$x(A.fs(), t1), new A.listDir__closure1(t1), type$.String).super$Iterable$where(0, new A.listDir__closure2());
  	      else
  	        return new A.listDir_closure_list0().call$1(t1);
  	    },
  	    $signature: 152
  	  };
  	  A.listDir__closure1.prototype = {
  	    call$1(child) {
  	      return A.join(this.path, A._asString(child), null);
  	    },
  	    $signature: 134
  	  };
  	  A.listDir__closure2.prototype = {
  	    call$1(child) {
  	      return !A.dirExists0(child);
  	    },
  	    $signature: 4
  	  };
  	  A.listDir_closure_list0.prototype = {
  	    call$1($parent) {
  	      return J.expand$1$1$ax(J.readdirSync$1$x(A.fs(), $parent), new A.listDir__list_closure0($parent, this), type$.String);
  	    },
  	    $signature: 153
  	  };
  	  A.listDir__list_closure0.prototype = {
  	    call$1(child) {
  	      var path = A.join(this.parent, A._asString(child), null);
  	      return A.dirExists0(path) ? this.list.call$1(path) : A._setArrayType([path], type$.JSArray_String);
  	    },
  	    $signature: 154
  	  };
  	  A.realpath_closure0.prototype = {
  	    call$0() {
  	      return J.native$1$x(J.get$realpathSync$x(A.fs()), this.path);
  	    },
  	    $signature: 29
  	  };
  	  A.main_closure.prototype = {
  	    call$2(_, __) {
  	    },
  	    $signature: 503
  	  };
  	  A.main_closure0.prototype = {
  	    call$2(_, __) {
  	    },
  	    $signature: 504
  	  };
  	  A.JSToDartLogger.prototype = {
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      var t2, t3, t4,
  	        t1 = this._node,
  	        _0_0 = t1 == null ? null : J.get$warn$x(t1);
  	      if (_0_0 != null) {
  	        t1 = span == null ? self.undefined : span;
  	        t2 = J.toString$0$(trace);
  	        t3 = deprecation == null;
  	        t4 = $.$get$deprecations();
  	        _0_0.call$2(message, {deprecation: !t3, deprecationType: t4.$index(0, t3 ? null : deprecation.id), span: t1, stack: t2});
  	      } else
  	        this._withAscii$1(new A.JSToDartLogger_internalWarn_closure(this, message, span, trace, deprecation));
  	    },
  	    debug$2(_, message, span) {
  	      var t1 = this._node,
  	        _0_0 = t1 == null ? null : J.get$debug$x(t1);
  	      if (_0_0 != null)
  	        _0_0.call$2(message, {span: span});
  	      else
  	        this._withAscii$1(new A.JSToDartLogger_debug_closure(this, message, span));
  	    },
  	    _withAscii$1$1(callback) {
  	      var t1,
  	        wasAscii = $._glyphs === B.C_AsciiGlyphSet;
  	      $._glyphs = this._ascii ? B.C_AsciiGlyphSet : B.C_UnicodeGlyphSet;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        $._glyphs = wasAscii ? B.C_AsciiGlyphSet : B.C_UnicodeGlyphSet;
  	      }
  	    },
  	    _withAscii$1(callback) {
  	      return this._withAscii$1$1(callback, type$.dynamic);
  	    }
  	  };
  	  A.JSToDartLogger_internalWarn_closure.prototype = {
  	    call$0() {
  	      var _this = this;
  	      $label0$0: {
  	        _this.$this._fallback.internalWarn$4$deprecation$span$trace(_this.message, _this.deprecation, _this.span, _this.trace);
  	        break $label0$0;
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A.JSToDartLogger_debug_closure.prototype = {
  	    call$0() {
  	      return this.$this._fallback.debug$2(0, this.message, this.span);
  	    },
  	    $signature: 0
  	  };
  	  A.ModifiableCssKeyframeBlock0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssKeyframeBlock$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssKeyframeBlock0 && B.C_ListEquality.equals$2(0, this.selector.value, other.selector.value);
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssKeyframeBlock$0(this.selector, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.KeyframeSelectorParser0.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.KeyframeSelectorParser_parse_closure0(this));
  	    },
  	    _keyframe_selector$_percentage$0() {
  	      var $self, _0_0,
  	        t1 = this.scanner,
  	        t2 = t1.scanChar$1(43) ? A.Primitives_stringFromCharCode(43) : "",
  	        second = t1.peekChar$0();
  	      if (!(second != null && second >= 48 && second <= 57) && second !== 46)
  	        t1.error$1(0, "Expected number.");
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	      }
  	      if (t1.peekChar$0() === 46) {
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        for (;;) {
  	          $self = t1.peekChar$0();
  	          if (!($self != null && $self >= 48 && $self <= 57))
  	            break;
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        }
  	      }
  	      if (this.scanIdentChar$1(101)) {
  	        t2 += A.Primitives_stringFromCharCode(101);
  	        _0_0 = t1.peekChar$0();
  	        if (43 === _0_0 || 45 === _0_0)
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          t1.error$1(0, "Expected digit.");
  	        do {
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	          $self = t1.peekChar$0();
  	        } while ($self != null && $self >= 48 && $self <= 57);
  	      }
  	      t1.expectChar$1(37);
  	      t2 += A.Primitives_stringFromCharCode(37);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    }
  	  };
  	  A.KeyframeSelectorParser_parse_closure0.prototype = {
  	    call$0() {
  	      var selectors = A._setArrayType([], type$.JSArray_String),
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      do {
  	        t1.whitespace$1$consumeNewlines(true);
  	        if (t1.lookingAtIdentifier$0())
  	          if (t1.scanIdentifier$1("from"))
  	            selectors.push("from");
  	          else {
  	            t1.expectIdentifier$2$name("to", '"to" or "from"');
  	            selectors.push("to");
  	          }
  	        else
  	          selectors.push(t1._keyframe_selector$_percentage$0());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t2.scanChar$1(44));
  	      t2.expectDone$0();
  	      return selectors;
  	    },
  	    $signature: 139
  	  };
  	  A.LabColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var powerlessAB, t1, missingLightness, f1, t2, t3, t4;
  	      switch (dest) {
  	        case B.LabColorSpace_2nT0:
  	          powerlessAB = lightness == null || A.fuzzyEquals0(lightness, 0);
  	          t1 = a == null || powerlessAB ? null : a;
  	          return A.SassColor$_forSpace0(B.LabColorSpace_2nT0, lightness, t1, b == null || powerlessAB ? null : b, alpha, null);
  	        case B.LchColorSpace_Bpv0:
  	          return A.labToLch0(dest, lightness, a, b, alpha, false, false);
  	        default:
  	          missingLightness = lightness == null;
  	          if (missingLightness)
  	            lightness = 0;
  	          f1 = (lightness + 16) / 116;
  	          t1 = a == null;
  	          t2 = this._lab$_convertFToXorZ$1((t1 ? 0 : a) / 500 + f1);
  	          t3 = lightness > 8 ? Math.pow(f1, 3) : lightness / 903.2962962962963;
  	          t4 = b == null;
  	          return B.XyzD50ColorSpace_2OB0.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, t2 * 0.9642956764295677, t3, this._lab$_convertFToXorZ$1(f1 - (t4 ? 0 : b) / 200) * 0.8251046025104602, alpha, t1, t4, missingChroma, missingHue, missingLightness);
  	      }
  	    },
  	    convert$5(dest, lightness, a, b, alpha) {
  	      return this.convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, false, false);
  	    },
  	    _lab$_convertFToXorZ$1(component) {
  	      var cubed = Math.pow(component, 3) + 0;
  	      return cubed > 0.008856451679035631 ? cubed : (116 * component - 16) / 903.2962962962963;
  	    }
  	  };
  	  A.LazyFileSpan0.prototype = {
  	    get$span(_) {
  	      var t1 = this._lazy_file_span0$_span;
  	      return t1 == null ? this._lazy_file_span0$_span = this._lazy_file_span0$_builder.call$0() : t1;
  	    },
  	    compareTo$1(_, other) {
  	      return this.get$span(0).compareTo$1(0, other);
  	    },
  	    get$context(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$context(t1);
  	    },
  	    get$end(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$end(t1);
  	    },
  	    expand$1(_, other) {
  	      return this.get$span(0).expand$1(0, other);
  	    },
  	    get$file(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$file(t1);
  	    },
  	    highlight$1$color(color) {
  	      return this.get$span(0).highlight$1$color(color);
  	    },
  	    get$length(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$length(t1);
  	    },
  	    message$2$color(_, message, color) {
  	      return this.get$span(0).message$2$color(0, message, color);
  	    },
  	    message$1(_, message) {
  	      return this.message$2$color(0, message, null);
  	    },
  	    get$sourceUrl(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    get$start(_) {
  	      var t1 = this.get$span(0);
  	      return t1.get$start(t1);
  	    },
  	    get$text() {
  	      return this.get$span(0).get$text();
  	    },
  	    $isComparable: 1,
  	    $isFileSpan: 1,
  	    $isSourceSpan: 1,
  	    $isSourceSpanWithContext: 1
  	  };
  	  A.LchColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, lightness, chroma, hue, alpha) {
  	      var t1 = hue == null,
  	        hueRadians = (t1 ? 0 : hue) * 3.141592653589793 / 180,
  	        t2 = chroma == null,
  	        t3 = t2 ? 0 : chroma,
  	        t4 = Math.cos(hueRadians),
  	        t5 = t2 ? 0 : chroma;
  	      return B.LabColorSpace_2nT0.convert$7$missingChroma$missingHue(dest, lightness, t3 * t4, t5 * Math.sin(hueRadians), alpha, t2, t1);
  	    }
  	  };
  	  A.render_closure.prototype = {
  	    call$0() {
  	      var error;
  	      try {
  	        this.callback.call$2(null, A.renderSync(this.options));
  	      } catch (exception) {
  	        error = A.unwrapException(exception);
  	        this.callback.call$2(error, null);
  	      }
  	      return null;
  	    },
  	    $signature: 1
  	  };
  	  A.render_closure0.prototype = {
  	    call$1(result) {
  	      this.callback.call$2(null, result);
  	    },
  	    $signature: 505
  	  };
  	  A.render_closure1.prototype = {
  	    call$2(error, stackTrace) {
  	      var t2, t3, _null = null,
  	        t1 = this.callback;
  	      if (error instanceof A.SassException0)
  	        t1.call$2(A._wrapException(error, stackTrace), _null);
  	      else {
  	        t2 = J.toString$0$(error);
  	        t3 = A.getTrace0(error);
  	        t1.call$2(A._newRenderError(t2, t3 == null ? stackTrace : t3, _null, _null, _null, 3), _null);
  	      }
  	    },
  	    $signature: 51
  	  };
  	  A._parseFunctions_closure.prototype = {
  	    call$2(signature, callback) {
  	      var _0_0, _this = this,
  	        t1 = _this.options,
  	        context = {options: A._contextOptions(t1, _this.start)};
  	      J.set$context$x(J.get$options$x(context), context);
  	      _0_0 = J.get$fiber$x(t1);
  	      t1 = {};
  	      t1.fiber = null;
  	      if (_0_0 != null) {
  	        t1.fiber = _0_0;
  	        _this.result.push(A.Callable_Callable$fromSignature(B.JSString_methods.trimLeft$0(signature), new A._parseFunctions__closure(t1, callback, context), false));
  	      } else {
  	        t1 = _this.result;
  	        if (!_this.asynch)
  	          t1.push(A.Callable_Callable$fromSignature(B.JSString_methods.trimLeft$0(signature), new A._parseFunctions__closure0(callback, context), false));
  	        else
  	          t1.push(A.AsyncCallable_AsyncCallable$fromSignature(B.JSString_methods.trimLeft$0(signature), new A._parseFunctions__closure1(callback, context), false));
  	      }
  	    },
  	    $signature: 126
  	  };
  	  A._parseFunctions__closure.prototype = {
  	    call$1($arguments) {
  	      var result,
  	        t1 = this._box_0,
  	        currentFiber = J.get$current$x(t1.fiber),
  	        t2 = type$.Object;
  	      t2 = A.List_List$_of(J.map$1$1$ax($arguments, A.value0__wrapValue$closure(), t2), t2);
  	      t2.push(A.allowInterop(new A._parseFunctions___closure2(currentFiber)));
  	      result = A.wrapJSExceptions(new A._parseFunctions___closure3(this.callback, this.context, t2));
  	      return A.unwrapValue(A._asBool($.$get$_isUndefined().call$1(result)) ? A.runZoned(new A._parseFunctions___closure4(t1), null, type$.nullable_Object) : result);
  	    },
  	    $signature: 3
  	  };
  	  A._parseFunctions___closure2.prototype = {
  	    call$1(result) {
  	      A.scheduleMicrotask(new A._parseFunctions____closure(this.currentFiber, result));
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 0,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 84
  	  };
  	  A._parseFunctions____closure.prototype = {
  	    call$0() {
  	      return J.run$1$x(this.currentFiber, this.result);
  	    },
  	    $signature: 0
  	  };
  	  A._parseFunctions___closure3.prototype = {
  	    call$0() {
  	      return J.apply$2$x(type$.JSFunction._as(this.callback), this.context, this.jsArguments);
  	    },
  	    $signature: 36
  	  };
  	  A._parseFunctions___closure4.prototype = {
  	    call$0() {
  	      return J.yield$0$x(this._box_0.fiber);
  	    },
  	    $signature: 83
  	  };
  	  A._parseFunctions__closure0.prototype = {
  	    call$1($arguments) {
  	      return A.unwrapValue(A.wrapJSExceptions(new A._parseFunctions___closure1(this.callback, this.context, $arguments)));
  	    },
  	    $signature: 3
  	  };
  	  A._parseFunctions___closure1.prototype = {
  	    call$0() {
  	      var t1 = type$.JSFunction._as(this.callback),
  	        t2 = J.map$1$1$ax(this.$arguments, A.value0__wrapValue$closure(), type$.Object);
  	      t2 = A.List_List$_of(t2, t2.$ti._eval$1("ListIterable.E"));
  	      return J.apply$2$x(t1, this.context, t2);
  	    },
  	    $signature: 36
  	  };
  	  A._parseFunctions__closure1.prototype = {
  	    call$1($arguments) {
  	      return this.$call$body$_parseFunctions__closure($arguments);
  	    },
  	    $call$body$_parseFunctions__closure($arguments) {
  	      var $async$goto = 0,
  	        $async$completer = A._makeAsyncAwaitCompleter(type$.Value_2),
  	        $async$returnValue, $async$self = this, result, t1, t2, $async$temp1;
  	      var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
  	        if ($async$errorCode === 1)
  	          return A._asyncRethrow($async$result, $async$completer);
  	        for (;;)
  	          switch ($async$goto) {
  	            case 0:
  	              // Function start
  	              t1 = new A._Future($.Zone__current, type$._Future_nullable_Object);
  	              t2 = type$.Object;
  	              t2 = A.List_List$_of(J.map$1$1$ax($arguments, A.value0__wrapValue$closure(), t2), t2);
  	              t2.push(A.allowInterop(new A._parseFunctions___closure(new A._AsyncCompleter(t1, type$._AsyncCompleter_nullable_Object))));
  	              result = A.wrapJSExceptions(new A._parseFunctions___closure0($async$self.callback, $async$self.context, t2));
  	              $async$temp1 = A;
  	              $async$goto = A._asBool($.$get$_isUndefined().call$1(result)) ? 3 : 5;
  	              break;
  	            case 3:
  	              // then
  	              $async$goto = 6;
  	              return A._asyncAwait(t1, $async$call$1);
  	            case 6:
  	              // returning from await.
  	              // goto join
  	              $async$goto = 4;
  	              break;
  	            case 5:
  	              // else
  	              $async$result = result;
  	            case 4:
  	              // join
  	              $async$returnValue = $async$temp1.unwrapValue($async$result);
  	              // goto return
  	              $async$goto = 1;
  	              break;
  	            case 1:
  	              // return
  	              return A._asyncReturn($async$returnValue, $async$completer);
  	          }
  	      });
  	      return A._asyncStartSync($async$call$1, $async$completer);
  	    },
  	    $signature: 92
  	  };
  	  A._parseFunctions___closure.prototype = {
  	    call$1(result) {
  	      return this.completer.complete$1(result);
  	    },
  	    call$0() {
  	      return this.call$1(null);
  	    },
  	    "call*": "call$1",
  	    $requiredArgCount: 0,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 192
  	  };
  	  A._parseFunctions___closure0.prototype = {
  	    call$0() {
  	      return J.apply$2$x(type$.JSFunction._as(this.callback), this.context, this.jsArguments);
  	    },
  	    $signature: 36
  	  };
  	  A._parseImporter_closure.prototype = {
  	    call$1(importer) {
  	      return type$.JSFunction._as(A.allowInteropCaptureThis(new A._parseImporter__closure(this._box_0, importer)));
  	    },
  	    $signature: 506
  	  };
  	  A._parseImporter__closure.prototype = {
  	    call$4(thisArg, url, previous, _) {
  	      var t1 = this._box_0,
  	        result = J.apply$2$x(this.importer, thisArg, A._setArrayType([url, previous, A.allowInterop(new A._parseImporter___closure(J.get$current$x(t1.fiber)))], type$.JSArray_Object));
  	      if (A._asBool($.$get$_isUndefined().call$1(result)))
  	        return A.runZoned(new A._parseImporter___closure0(t1), null, type$.Object);
  	      return result;
  	    },
  	    call$3(thisArg, url, previous) {
  	      return this.call$4(thisArg, url, previous, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 507
  	  };
  	  A._parseImporter___closure.prototype = {
  	    call$1(result) {
  	      A.scheduleMicrotask(new A._parseImporter____closure(this.currentFiber, result));
  	    },
  	    $signature: 508
  	  };
  	  A._parseImporter____closure.prototype = {
  	    call$0() {
  	      return J.run$1$x(this.currentFiber, this.result);
  	    },
  	    $signature: 0
  	  };
  	  A._parseImporter___closure0.prototype = {
  	    call$0() {
  	      return J.yield$0$x(this._box_0.fiber);
  	    },
  	    $signature: 83
  	  };
  	  A.LegacyIfExpression0.prototype = {
  	    get$modernSuggestion() {
  	      var _0_1, ifTrue, ifFalse, t1, condition, _null = null,
  	        _0_0 = this.$arguments;
  	      $label0$0: {
  	        _0_1 = _0_0.positional;
  	        ifTrue = _null;
  	        ifFalse = _null;
  	        t1 = false;
  	        if (_0_1.length === 3) {
  	          condition = _0_1[0];
  	          ifTrue = _0_1[1];
  	          ifFalse = _0_1[2];
  	          t1 = _0_0.named;
  	          t1 = t1.get$isEmpty(t1) && _0_0.rest == null;
  	        } else
  	          condition = _null;
  	        if (t1) {
  	          if (ifFalse instanceof A.NullExpression0)
  	            t1 = "if(sass(" + A.S(condition) + "): " + A.S(ifTrue) + ")";
  	          else
  	            t1 = ifTrue instanceof A.NullExpression0 ? "if(not sass(" + A.S(condition) + "): " + A.S(ifFalse) + ")" : "if(sass(" + A.S(condition) + "): " + A.S(ifTrue) + "; else: " + A.S(ifFalse) + ")";
  	          break $label0$0;
  	        }
  	        t1 = _null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitLegacyIfExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "if" + this.$arguments.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.LimitedMapView0.prototype = {
  	    get$keys(_) {
  	      return this._limited_map_view0$_keys;
  	    },
  	    get$length(_) {
  	      return this._limited_map_view0$_keys._collection$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._limited_map_view0$_keys._collection$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._limited_map_view0$_keys._collection$_length !== 0;
  	    },
  	    $index(_, key) {
  	      return this._limited_map_view0$_keys.contains$1(0, key) ? this._limited_map_view0$_map.$index(0, key) : null;
  	    },
  	    containsKey$1(key) {
  	      return this._limited_map_view0$_keys.contains$1(0, key);
  	    },
  	    remove$1(_, key) {
  	      return this._limited_map_view0$_keys.contains$1(0, key) ? this._limited_map_view0$_map.remove$1(0, key) : null;
  	    }
  	  };
  	  A.ListExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitListExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, t3, t4, t5, _this = this,
  	        t1 = _this.hasBrackets;
  	      if (t1)
  	        t2 = A.Primitives_stringFromCharCode(91);
  	      else {
  	        t2 = _this.contents.length;
  	        if (t2 !== 0)
  	          t2 = t2 === 1 && _this.separator === B.ListSeparator_z0K0;
  	        else
  	          t2 = true;
  	        t2 = t2 ? A.Primitives_stringFromCharCode(40) : "";
  	      }
  	      t3 = _this.contents;
  	      t4 = _this.separator === B.ListSeparator_z0K0;
  	      t5 = t4 ? ", " : " ";
  	      t5 = t2 + new A.MappedListIterable(t3, new A.ListExpression_toString_closure0(_this), A._arrayInstanceType(t3)._eval$1("MappedListIterable<1,String>")).join$1(0, t5);
  	      if (t1)
  	        t1 = t5 + A.Primitives_stringFromCharCode(93);
  	      else {
  	        t1 = t3.length;
  	        if (t1 === 0)
  	          t1 = t5 + A.Primitives_stringFromCharCode(41);
  	        else
  	          t1 = t1 === 1 && t4 ? t5 + ",)" : t5;
  	      }
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _list3$_elementNeedsParens$1(expression) {
  	      var childSeparator, t1, _0_13;
  	      $label0$0: {
  	        if (expression instanceof A.ListExpression0 && expression.contents.length >= 2 && !expression.hasBrackets) {
  	          childSeparator = expression.separator;
  	          t1 = this.separator === B.ListSeparator_z0K0 ? childSeparator === B.ListSeparator_z0K0 : childSeparator !== B.ListSeparator_undecided_null_3_undecided0;
  	          break $label0$0;
  	        }
  	        if (expression instanceof A.UnaryOperationExpression0) {
  	          _0_13 = expression.operator;
  	          if (B.UnaryOperator_n2K0 !== _0_13)
  	            t1 = B.UnaryOperator_hCO0 === _0_13;
  	          else
  	            t1 = true;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = this.separator === B.ListSeparator_SrV0;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ListExpression_toString_closure0.prototype = {
  	    call$1(element) {
  	      return this.$this._list3$_elementNeedsParens$1(element) ? "(" + element.toString$0(0) + ")" : element.toString$0(0);
  	    },
  	    $signature: 120
  	  };
  	  A._length_closure2.prototype = {
  	    call$1($arguments) {
  	      return A.SassNumber_SassNumber0(J.$index$asx($arguments, 0).get$asList().length, null);
  	    },
  	    $signature: 25
  	  };
  	  A._nth_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        index = t1.$index($arguments, 1);
  	      return list.get$asList()[list.sassIndexToListIndex$2(index, "n")];
  	    },
  	    $signature: 3
  	  };
  	  A._setNth_closure0.prototype = {
  	    call$1($arguments) {
  	      var newList,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        index = t1.$index($arguments, 1),
  	        value = t1.$index($arguments, 2);
  	      t1 = list.get$asList();
  	      newList = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      newList[list.sassIndexToListIndex$2(index, "n")] = value;
  	      return list.withListContents$1(newList);
  	    },
  	    $signature: 27
  	  };
  	  A._join_closure0.prototype = {
  	    call$1($arguments) {
  	      var _0_1, _0_4, _0_3, t2, _0_40, _0_4_isSet, separator, bracketed, _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list1 = t1.$index($arguments, 0),
  	        list2 = t1.$index($arguments, 1),
  	        separatorParam = t1.$index($arguments, 2).assertString$1("separator"),
  	        bracketedParam = t1.$index($arguments, 3),
  	        _1_0 = separatorParam._string0$_text;
  	      $label1$1: {
  	        if ("auto" === _1_0) {
  	          _0_1 = list1.get$separator(list1);
  	          _0_4 = list2.get$separator(list2);
  	          $label0$0: {
  	            t1 = _null;
  	            _0_3 = B.ListSeparator_undecided_null_3_undecided0 === _0_1;
  	            t2 = _0_3;
  	            if (t2) {
  	              t2 = B.ListSeparator_undecided_null_3_undecided0 === _0_4;
  	              _0_40 = _0_4;
  	              _0_4_isSet = true;
  	            } else {
  	              _0_40 = _null;
  	              _0_4_isSet = false;
  	              t2 = false;
  	            }
  	            if (t2) {
  	              t1 = B.ListSeparator_SrV0;
  	              break $label0$0;
  	            }
  	            if (_0_3) {
  	              separator = _0_4_isSet ? _0_40 : _0_4;
  	              t2 = true;
  	            } else {
  	              separator = t1;
  	              t2 = false;
  	            }
  	            if (!t2)
  	              separator = _0_1;
  	            t1 = separator;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        if ("space" === _1_0) {
  	          t1 = B.ListSeparator_SrV0;
  	          break $label1$1;
  	        }
  	        if ("comma" === _1_0) {
  	          t1 = B.ListSeparator_z0K0;
  	          break $label1$1;
  	        }
  	        if ("slash" === _1_0) {
  	          t1 = B.ListSeparator_Lul0;
  	          break $label1$1;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$0(string$.x24separ, _null));
  	      }
  	      bracketed = bracketedParam instanceof A.SassString0 && bracketedParam._string0$_text === "auto" ? list1.get$hasBrackets() : bracketedParam.get$isTruthy();
  	      t2 = A.List_List$_of(list1.get$asList(), type$.Value_2);
  	      B.JSArray_methods.addAll$1(t2, list2.get$asList());
  	      return A.SassList$0(t2, t1, bracketed);
  	    },
  	    $signature: 27
  	  };
  	  A._append_closure2.prototype = {
  	    call$1($arguments) {
  	      var t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        list = t1.$index($arguments, 0),
  	        value = t1.$index($arguments, 1),
  	        _0_0 = t1.$index($arguments, 2).assertString$1("separator")._string0$_text;
  	      $label0$0: {
  	        if ("auto" === _0_0) {
  	          t1 = list.get$separator(list) === B.ListSeparator_undecided_null_3_undecided0 ? B.ListSeparator_SrV0 : list.get$separator(list);
  	          break $label0$0;
  	        }
  	        if ("space" === _0_0) {
  	          t1 = B.ListSeparator_SrV0;
  	          break $label0$0;
  	        }
  	        if ("comma" === _0_0) {
  	          t1 = B.ListSeparator_z0K0;
  	          break $label0$0;
  	        }
  	        if ("slash" === _0_0) {
  	          t1 = B.ListSeparator_Lul0;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.SassScriptException$0(string$.x24separ, null));
  	      }
  	      t2 = A.List_List$_of(list.get$asList(), type$.Value_2);
  	      t2.push(value);
  	      return list.withListContents$2$separator(t2, t1);
  	    },
  	    $signature: 27
  	  };
  	  A._zip_closure0.prototype = {
  	    call$1($arguments) {
  	      var results, result, _box_0 = {},
  	        t1 = J.$index$asx($arguments, 0).get$asList(),
  	        t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,List<Value0>>"),
  	        lists = A.List_List$_of(new A.MappedListIterable(t1, new A._zip__closure2(), t2), t2._eval$1("ListIterable.E"));
  	      if (lists.length === 0)
  	        return B.SassList_oH00;
  	      _box_0.i = 0;
  	      results = A._setArrayType([], type$.JSArray_SassList_2);
  	      for (t1 = A._arrayInstanceType(lists)._eval$1("MappedListIterable<1,Value0>"), t2 = type$.Value_2; B.JSArray_methods.every$1(lists, new A._zip__closure3(_box_0));) {
  	        result = A.List_List$from(new A.MappedListIterable(lists, new A._zip__closure4(_box_0), t1), false, t2);
  	        result.$flags = 3;
  	        results.push(new A.SassList0(result, B.ListSeparator_SrV0, false));
  	        ++_box_0.i;
  	      }
  	      return A.SassList$0(results, B.ListSeparator_z0K0, false);
  	    },
  	    $signature: 27
  	  };
  	  A._zip__closure2.prototype = {
  	    call$1(list) {
  	      return list.get$asList();
  	    },
  	    $signature: 510
  	  };
  	  A._zip__closure3.prototype = {
  	    call$1(list) {
  	      return this._box_0.i !== J.get$length$asx(list);
  	    },
  	    $signature: 603
  	  };
  	  A._zip__closure4.prototype = {
  	    call$1(list) {
  	      return J.$index$asx(list, this._box_0.i);
  	    },
  	    $signature: 3
  	  };
  	  A._index_closure2.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        index = B.JSArray_methods.indexOf$1(t1.$index($arguments, 0).get$asList(), t1.$index($arguments, 1));
  	      return index === -1 ? B.C__SassNull0 : A.SassNumber_SassNumber0(index + 1, null);
  	    },
  	    $signature: 3
  	  };
  	  A._separator_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0),
  	        _0_0 = t1.get$separator(t1);
  	      $label0$0: {
  	        if (B.ListSeparator_z0K0 === _0_0) {
  	          t1 = new A.SassString0("comma", false);
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_Lul0 === _0_0) {
  	          t1 = new A.SassString0("slash", false);
  	          break $label0$0;
  	        }
  	        t1 = new A.SassString0("space", false);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 18
  	  };
  	  A._isBracketed_closure0.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).get$hasBrackets() ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._slash_closure0.prototype = {
  	    call$1($arguments) {
  	      var list = J.$index$asx($arguments, 0).get$asList();
  	      if (list.length < 2)
  	        throw A.wrapException(A.SassScriptException$0("At least two elements are required.", null));
  	      return A.SassList$0(list, B.ListSeparator_Lul0, false);
  	    },
  	    $signature: 27
  	  };
  	  A.InterpolatedSelectorList.prototype = {
  	    get$span(_) {
  	      var t1 = this.components;
  	      return t1.length === 1 ? B.JSArray_methods.get$first(t1).span : B.JSArray_methods.get$first(t1).span.expand$1(0, B.JSArray_methods.get$last(t1).span);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitSelectorList$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.components, ", ");
  	    }
  	  };
  	  A.SelectorList0.prototype = {
  	    get$asSassList() {
  	      var t1 = this.components;
  	      return A.SassList$0(new A.MappedListIterable(t1, new A.SelectorList_asSassList_closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value0>")), B.ListSeparator_z0K0, false);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitSelectorList$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(other) {
  	      var t3, t4, t5, t6, _i, complex1, t7, _i0, t8,
  	        t1 = type$.JSArray_ComplexSelector_2,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = this.components, t4 = t3.length, t5 = other.components, t6 = t5.length, _i = 0; _i < t4; ++_i) {
  	        complex1 = t3[_i];
  	        for (t7 = complex1.span, _i0 = 0; _i0 < t6; ++_i0) {
  	          t8 = A.unifyComplex0(A._setArrayType([complex1, t5[_i0]], t1), t7);
  	          if (t8 != null)
  	            B.JSArray_methods.addAll$1(t2, t8);
  	        }
  	      }
  	      return t2.length === 0 ? null : A.SelectorList$0(t2, this.span);
  	    },
  	    nestWithin$3$implicitParent$preserveParentSelectors($parent, implicitParent, preserveParentSelectors) {
  	      var _0_0, t1, _this = this;
  	      if ($parent == null) {
  	        if (preserveParentSelectors)
  	          return _this;
  	        _0_0 = B.C__ParentSelectorVisitor0.visitSelectorList$1(_this);
  	        if (_0_0 instanceof A.ParentSelector0)
  	          t1 = _0_0.suffix != null;
  	        else
  	          t1 = false;
  	        if (t1)
  	          throw A.wrapException(A.SassException$0(string$.A_top_, _0_0.span, null));
  	        return _this;
  	      }
  	      t1 = _this.components;
  	      return A.SelectorList$0(A.flattenVertically0(new A.MappedListIterable(t1, new A.SelectorList_nestWithin_closure0(_this, preserveParentSelectors, implicitParent, $parent), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Iterable<ComplexSelector0>>")), type$.ComplexSelector_2), _this.span);
  	    },
  	    nestWithin$1($parent) {
  	      return this.nestWithin$3$implicitParent$preserveParentSelectors($parent, true, false);
  	    },
  	    nestWithin$2$implicitParent($parent, implicitParent) {
  	      return this.nestWithin$3$implicitParent$preserveParentSelectors($parent, implicitParent, false);
  	    },
  	    _list2$_nestWithinCompound$2(component, $parent) {
  	      var resolvedSimples, parentSelector, error, stackTrace, t2, resolvedSimples0, t1 = component.selector,
  	        simples = t1.components,
  	        containsSelectorPseudo = J.any$1$ax(simples, new A.SelectorList__nestWithinCompound_closure2());
  	      if (!containsSelectorPseudo && !(J.get$first$ax(simples) instanceof A.ParentSelector0))
  	        return null;
  	      if (containsSelectorPseudo) {
  	        t2 = simples;
  	        resolvedSimples0 = new A.MappedListIterable(t2, new A.SelectorList__nestWithinCompound_closure3($parent), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,SimpleSelector0>"));
  	      } else
  	        resolvedSimples0 = simples;
  	      resolvedSimples = resolvedSimples0;
  	      parentSelector = J.get$first$ax(simples);
  	      try {
  	        if (!(parentSelector instanceof A.ParentSelector0)) {
  	          t2 = component.span;
  	          t2 = A._setArrayType([A.ComplexSelector$0(B.List_empty17, A._setArrayType([new A.ComplexSelectorComponent0(A.CompoundSelector$0(resolvedSimples, t1.span), A.List_List$unmodifiable(component.combinators, type$.CssValue_Combinator_2), t2)], type$.JSArray_ComplexSelectorComponent_2), t2, false)], type$.JSArray_ComplexSelector_2);
  	          return t2;
  	        } else if (J.get$length$asx(simples) === 1 && parentSelector.suffix == null) {
  	          t1 = $parent.withAdditionalCombinators$1(component.combinators);
  	          return t1.components;
  	        }
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace0(error.withAdditionalSpan$2(parentSelector.span, "parent selector"), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	      t1 = $parent.components;
  	      return new A.MappedListIterable(t1, new A.SelectorList__nestWithinCompound_closure4(parentSelector, resolvedSimples, component), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector0>"));
  	    },
  	    isSuperselector$1(other) {
  	      return A.listIsSuperselector0(this.components, other.components);
  	    },
  	    withAdditionalCombinators$1(combinators) {
  	      var t1;
  	      if (combinators.length === 0)
  	        t1 = this;
  	      else {
  	        t1 = this.components;
  	        t1 = A.SelectorList$0(new A.MappedListIterable(t1, new A.SelectorList_withAdditionalCombinators_closure0(combinators), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector0>")), this.span);
  	      }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this.components);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SelectorList0 && B.C_ListEquality.equals$2(0, this.components, other.components);
  	    }
  	  };
  	  A.SelectorList_asSassList_closure0.prototype = {
  	    call$1(complex) {
  	      var t3, t4, _i, component, visitor, t5, t6, t7, _i0, _null = null,
  	        t1 = type$.JSArray_Value_2,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = complex.leadingCombinators, t4 = t3.length, _i = 0; _i < t4; ++_i)
  	        t2.push(new A.SassString0(J.toString$0$(t3[_i].value), false));
  	      for (t3 = complex.components, t4 = t3.length, _i = 0; _i < t4; ++_i) {
  	        component = t3[_i];
  	        visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	        component.selector.accept$1(visitor);
  	        t5 = A._setArrayType([new A.SassString0(visitor._serialize0$_buffer.toString$0(0), false)], t1);
  	        for (t6 = component.combinators, t7 = t6.length, _i0 = 0; _i0 < t7; ++_i0)
  	          t5.push(new A.SassString0(J.toString$0$(t6[_i0].value), false));
  	        B.JSArray_methods.addAll$1(t2, t5);
  	      }
  	      return A.SassList$0(t2, B.ListSeparator_SrV0, false);
  	    },
  	    $signature: 512
  	  };
  	  A.SelectorList_nestWithin_closure0.prototype = {
  	    call$1(complex) {
  	      var t1, newComplexes, t2, t3, t4, t5, t6, t7, t8, t9, t10, t11, _i, component, resolved, i, t12, t13, t14, _i0, newComplex, t15, t16, _this = this;
  	      if (_this.preserveParentSelectors || complex.accept$1(B.C__ParentSelectorVisitor0) == null) {
  	        if (!_this.implicitParent)
  	          return A._setArrayType([complex], type$.JSArray_ComplexSelector_2);
  	        t1 = _this.parent.components;
  	        return new A.MappedListIterable(t1, new A.SelectorList_nestWithin__closure1(complex), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector0>"));
  	      }
  	      t1 = type$.JSArray_ComplexSelector_2;
  	      newComplexes = A._setArrayType([], t1);
  	      for (t2 = complex.components, t3 = t2.length, t4 = _this.$this, t5 = _this.parent, t6 = type$.ComplexSelector_2, t7 = complex.leadingCombinators, t8 = t7.length === 0, t9 = complex.span, t10 = type$.ComplexSelectorComponent_2, t11 = type$.JSArray_ComplexSelectorComponent_2, _i = 0; _i < t3; ++_i) {
  	        component = t2[_i];
  	        resolved = t4._list2$_nestWithinCompound$2(component, t5);
  	        if (resolved == null)
  	          if (newComplexes.length === 0)
  	            newComplexes.push(A.ComplexSelector$0(t7, A._setArrayType([component], t11), t9, false));
  	          else
  	            for (i = 0; i < newComplexes.length; ++i) {
  	              t12 = newComplexes[i];
  	              t13 = A.List_List$_of(t12.components, t10);
  	              t13.push(component);
  	              newComplexes[i] = A.ComplexSelector$0(t12.leadingCombinators, t13, t9, t12.lineBreak);
  	            }
  	        else if (newComplexes.length === 0)
  	          B.JSArray_methods.addAll$1(newComplexes, t8 ? resolved : J.map$1$1$ax(resolved, new A.SelectorList_nestWithin__closure2(complex), t6));
  	        else {
  	          t12 = A._setArrayType([], t1);
  	          for (t13 = newComplexes.length, t14 = J.getInterceptor$ax(resolved), _i0 = 0; _i0 < newComplexes.length; newComplexes.length === t13 || (0, A.throwConcurrentModificationError)(newComplexes), ++_i0) {
  	            newComplex = newComplexes[_i0];
  	            for (t15 = t14.get$iterator(resolved), t16 = newComplex.span; t15.moveNext$0();)
  	              t12.push(newComplex.concatenate$2(t15.get$current(t15), t16));
  	          }
  	          newComplexes = t12;
  	        }
  	      }
  	      return newComplexes;
  	    },
  	    $signature: 513
  	  };
  	  A.SelectorList_nestWithin__closure1.prototype = {
  	    call$1(parentComplex) {
  	      var t1 = this.complex;
  	      return parentComplex.concatenate$2(t1, t1.span);
  	    },
  	    $signature: 59
  	  };
  	  A.SelectorList_nestWithin__closure2.prototype = {
  	    call$1(resolvedComplex) {
  	      var t1 = resolvedComplex.leadingCombinators,
  	        t2 = this.complex,
  	        t3 = t2.leadingCombinators;
  	      if (t1.length === 0)
  	        t1 = t3;
  	      else {
  	        t3 = A.List_List$_of(t3, type$.CssValue_Combinator_2);
  	        B.JSArray_methods.addAll$1(t3, t1);
  	        t1 = t3;
  	      }
  	      return A.ComplexSelector$0(t1, resolvedComplex.components, t2.span, resolvedComplex.lineBreak);
  	    },
  	    $signature: 59
  	  };
  	  A.SelectorList__nestWithinCompound_closure2.prototype = {
  	    call$1(simple) {
  	      var selector;
  	      if (!(simple instanceof A.PseudoSelector0))
  	        return false;
  	      selector = simple.selector;
  	      return selector != null && selector.accept$1(B.C__ParentSelectorVisitor0) != null;
  	    },
  	    $signature: 15
  	  };
  	  A.SelectorList__nestWithinCompound_closure3.prototype = {
  	    call$1(simple) {
  	      var selector, t1, _0_2;
  	      $label0$0: {
  	        selector = null;
  	        t1 = false;
  	        if (simple instanceof A.PseudoSelector0) {
  	          _0_2 = simple.selector;
  	          if (_0_2 != null) {
  	            selector = _0_2 == null ? type$.SelectorList_2._as(_0_2) : _0_2;
  	            t1 = selector.accept$1(B.C__ParentSelectorVisitor0) != null;
  	          }
  	        }
  	        if (t1) {
  	          t1 = simple.withSelector$1(selector.nestWithin$2$implicitParent(this.parent, false));
  	          break $label0$0;
  	        }
  	        t1 = simple;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 514
  	  };
  	  A.SelectorList__nestWithinCompound_closure4.prototype = {
  	    call$1(complex) {
  	      var lastComponent, suffix, lastSimples, t1, t2, last, t3, error, stackTrace, t4, t5, _this = this;
  	      try {
  	        t4 = complex.components;
  	        lastComponent = B.JSArray_methods.get$last(t4);
  	        if (lastComponent.combinators.length !== 0) {
  	          t1 = A.MultiSpanSassException$0('Selector "' + complex.toString$0(0) + string$.x22x20can_, A.SpanExtensions_trimRight0(lastComponent.span), "outer selector", A.LinkedHashMap_LinkedHashMap$_literal([_this.parentSelector.span, "parent selector"], type$.FileSpan, type$.String), null);
  	          throw A.wrapException(t1);
  	        }
  	        suffix = _this.parentSelector.suffix;
  	        lastSimples = lastComponent.selector.components;
  	        t5 = type$.SimpleSelector_2;
  	        if (suffix == null) {
  	          t2 = A.List_List$_of(lastSimples, t5);
  	          t1 = t2;
  	          J.addAll$1$ax(t1, J.skip$1$ax(_this.resolvedSimples, 1));
  	          t1 = t1;
  	        } else {
  	          t1 = A.List_List$_of(A.IterableExtension_get_exceptLast0(lastSimples), t5);
  	          t2 = t1;
  	          J.add$1$ax(t2, J.get$last$ax(lastSimples).addSuffix$1(suffix));
  	          J.addAll$1$ax(t2, J.skip$1$ax(_this.resolvedSimples, 1));
  	          t1 = t2;
  	        }
  	        t2 = _this.component;
  	        last = A.CompoundSelector$0(t1, t2.selector.span);
  	        t1 = A.List_List$_of(A.IterableExtension_get_exceptLast0(t4), type$.ComplexSelectorComponent_2);
  	        t3 = t1;
  	        t1 = t2.span;
  	        J.add$1$ax(t3, new A.ComplexSelectorComponent0(last, A.List_List$unmodifiable(t2.combinators, type$.CssValue_Combinator_2), t1));
  	        t1 = A.ComplexSelector$0(complex.leadingCombinators, t3, t1, complex.lineBreak);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (t1 instanceof A.SassException0) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          A.throwWithTrace0(error.withAdditionalSpan$2(_this.parentSelector.span, "parent selector"), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    $signature: 59
  	  };
  	  A.SelectorList_withAdditionalCombinators_closure0.prototype = {
  	    call$1(complex) {
  	      return complex.withAdditionalCombinators$1(this.combinators);
  	    },
  	    $signature: 59
  	  };
  	  A._ParentSelectorVisitor0.prototype = {
  	    visitParentSelector$1(_, selector) {
  	      return selector;
  	    }
  	  };
  	  A.__ParentSelectorVisitor_Object_SelectorSearchVisitor0.prototype = {};
  	  A.listClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassList", new A.listClass__closure()));
  	      J.get$$prototype$x(jsClass).get = A.allowInteropCaptureThisNamed("get", new A.listClass__closure0());
  	      A.JSClassExtension_injectSuperclass(t1._as(B.SassList_9ua.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.listClass__closure.prototype = {
  	    call$3($self, contentsOrOptions, options) {
  	      var contents, t1, t2;
  	      if (self.immutable.isList(contentsOrOptions))
  	        contents = J.cast$1$0$ax(J.toArray$0$x(type$.ImmutableList._as(contentsOrOptions)), type$.Value_2);
  	      else if (type$.List_dynamic._is(contentsOrOptions))
  	        contents = J.cast$1$0$ax(contentsOrOptions, type$.Value_2);
  	      else {
  	        contents = A._setArrayType([], type$.JSArray_Value_2);
  	        type$.nullable__ConstructorOptions._as(contentsOrOptions);
  	        options = contentsOrOptions;
  	      }
  	      t1 = options == null;
  	      if (!t1) {
  	        t2 = J.get$separator$x(options);
  	        t2 = A._asBool($.$get$_isUndefined().call$1(t2));
  	      } else
  	        t2 = true;
  	      t2 = t2 ? B.ListSeparator_z0K0 : A.jsToDartSeparator(J.get$separator$x(options));
  	      t1 = t1 ? null : J.get$brackets$x(options);
  	      return A.SassList$0(contents, t2, t1 == null ? false : t1);
  	    },
  	    call$1($self) {
  	      return this.call$3($self, null, null);
  	    },
  	    call$2($self, contentsOrOptions) {
  	      return this.call$3($self, contentsOrOptions, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 515
  	  };
  	  A.listClass__closure0.prototype = {
  	    call$2($self, indexFloat) {
  	      var index = B.JSNumber_methods.floor$0(indexFloat);
  	      if (index < 0)
  	        index = $self.get$asList().length + index;
  	      if (index < 0 || index >= $self.get$asList().length)
  	        return self.undefined;
  	      return $self.get$asList()[index];
  	    },
  	    $signature: 250
  	  };
  	  A._ConstructorOptions.prototype = {};
  	  A._NodeSassList.prototype = {};
  	  A.legacyListClass_closure.prototype = {
  	    call$4(thisArg, $length, commaSeparator, dartValue) {
  	      var t1;
  	      if (dartValue == null) {
  	        $length.toString;
  	        t1 = A.Iterable_Iterable$generate($length, new A.legacyListClass__closure(), type$.Value_2);
  	        t1 = A.SassList$0(t1, commaSeparator !== false ? B.ListSeparator_z0K0 : B.ListSeparator_SrV0, false);
  	      } else
  	        t1 = dartValue;
  	      J.set$dartValue$x(thisArg, t1);
  	    },
  	    call$2(thisArg, $length) {
  	      return this.call$4(thisArg, $length, null, null);
  	    },
  	    call$3(thisArg, $length, commaSeparator) {
  	      return this.call$4(thisArg, $length, commaSeparator, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 517
  	  };
  	  A.legacyListClass__closure.prototype = {
  	    call$1(_) {
  	      return B.C__SassNull0;
  	    },
  	    $signature: 251
  	  };
  	  A.legacyListClass_closure0.prototype = {
  	    call$2(thisArg, index) {
  	      return A.wrapValue(J.get$dartValue$x(thisArg)._list1$_contents[index]);
  	    },
  	    $signature: 519
  	  };
  	  A.legacyListClass_closure1.prototype = {
  	    call$3(thisArg, index, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg)._list1$_contents,
  	        mutable = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	      mutable[index] = A.unwrapValue(value);
  	      t1.set$dartValue(thisArg, t1.get$dartValue(thisArg).withListContents$1(mutable));
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 3,
  	    $signature: 520
  	  };
  	  A.legacyListClass_closure2.prototype = {
  	    call$1(thisArg) {
  	      return J.get$dartValue$x(thisArg)._list1$_separator === B.ListSeparator_z0K0;
  	    },
  	    $signature: 521
  	  };
  	  A.legacyListClass_closure3.prototype = {
  	    call$2(thisArg, isComma) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg)._list1$_contents,
  	        t3 = isComma ? B.ListSeparator_z0K0 : B.ListSeparator_SrV0;
  	      t1.set$dartValue(thisArg, A.SassList$0(t2, t3, t1.get$dartValue(thisArg)._list1$_hasBrackets));
  	    },
  	    $signature: 522
  	  };
  	  A.legacyListClass_closure4.prototype = {
  	    call$1(thisArg) {
  	      return J.get$dartValue$x(thisArg)._list1$_contents.length;
  	    },
  	    $signature: 523
  	  };
  	  A.SassList0.prototype = {
  	    get$separator(_) {
  	      return this._list1$_separator;
  	    },
  	    get$hasBrackets() {
  	      return this._list1$_hasBrackets;
  	    },
  	    get$isBlank() {
  	      return !this._list1$_hasBrackets && B.JSArray_methods.every$1(this._list1$_contents, new A.SassList_isBlank_closure0());
  	    },
  	    get$asList() {
  	      return this._list1$_contents;
  	    },
  	    get$lengthAsList() {
  	      return this._list1$_contents.length;
  	    },
  	    SassList$3$brackets0(contents, _separator, brackets) {
  	      if (this._list1$_separator === B.ListSeparator_undecided_null_3_undecided0 && this._list1$_contents.length > 1)
  	        throw A.wrapException(A.ArgumentError$(string$.A_list, null));
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = true;
  	      if (!_this._list1$_hasBrackets) {
  	        t2 = _this._list1$_contents.length;
  	        if (t2 !== 0)
  	          t1 = t2 === 1 && _this._list1$_separator === B.ListSeparator_z0K0;
  	      }
  	      if (t1)
  	        return _this.super$Value$toString0(0);
  	      return "(" + _this.super$Value$toString0(0) + ")";
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitList$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMap$1($name) {
  	      return this._list1$_contents.length === 0 ? B.SassMap_Map_empty0 : this.super$Value$assertMap0($name);
  	    },
  	    tryMap$0() {
  	      return this._list1$_contents.length === 0 ? B.SassMap_Map_empty0 : null;
  	    },
  	    $eq(_, other) {
  	      var t1, _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassList0 && other._list1$_separator === _this._list1$_separator && other._list1$_hasBrackets === _this._list1$_hasBrackets && B.C_ListEquality.equals$2(0, other._list1$_contents, _this._list1$_contents)))
  	        t1 = _this._list1$_contents.length === 0 && other instanceof A.SassMap0 && other.get$asList().length === 0;
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      return B.C_ListEquality0.hash$1(this._list1$_contents);
  	    }
  	  };
  	  A.SassList_isBlank_closure0.prototype = {
  	    call$1(element) {
  	      return element.get$isBlank();
  	    },
  	    $signature: 56
  	  };
  	  A.ListSeparator0.prototype = {
  	    _enumToString$0() {
  	      return "ListSeparator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._list1$_name;
  	    }
  	  };
  	  A.LmsColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, long, medium, short, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var t1, longScaled, mediumScaled, shortScaled, lightness, t2, t3, _null = null;
  	      switch (dest) {
  	        case B.OklabColorSpace_5400:
  	          t1 = long == null ? 0 : long;
  	          longScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = medium == null ? 0 : medium;
  	          mediumScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = short == null ? 0 : short;
  	          shortScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = $.$get$lmsToOklab0();
  	          lightness = t1[0] * longScaled + t1[1] * mediumScaled + t1[2] * shortScaled;
  	          t2 = missingLightness ? _null : lightness;
  	          t3 = missingA ? _null : t1[3] * longScaled + t1[4] * mediumScaled + t1[5] * shortScaled;
  	          return A.SassColor$_forSpace0(B.OklabColorSpace_5400, t2, t3, missingB ? _null : t1[6] * longScaled + t1[7] * mediumScaled + t1[8] * shortScaled, alpha, _null);
  	        case B.OklchColorSpace_9Gj0:
  	          t1 = long == null ? 0 : long;
  	          longScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = medium == null ? 0 : medium;
  	          mediumScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          t1 = short == null ? 0 : short;
  	          shortScaled = Math.pow(Math.abs(t1), 0.3333333333333333) * J.get$sign$in(t1);
  	          if (missingLightness)
  	            t1 = _null;
  	          else {
  	            t1 = $.$get$lmsToOklab0();
  	            t1 = t1[0] * longScaled + t1[1] * mediumScaled + t1[2] * shortScaled;
  	          }
  	          t2 = $.$get$lmsToOklab0();
  	          return A.labToLch0(dest, t1, t2[3] * longScaled + t2[4] * mediumScaled + t2[5] * shortScaled, t2[6] * longScaled + t2[7] * mediumScaled + t2[8] * shortScaled, alpha, missingChroma, missingHue);
  	        default:
  	          return this.super$ColorSpace$convertLinear0(dest, long, medium, short, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	      }
  	    },
  	    convert$5(dest, long, medium, short, alpha) {
  	      return this.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, long, medium, short, alpha, false, false, false, false, false);
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$lmsToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$lmsToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$lmsToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$lmsToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$lmsToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$lmsToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$lmsToXyzD500();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.LocalMindeGamutMap0.prototype = {
  	    map$1(_, color) {
  	      var clipped, max, min, minInGamut, chroma, current, e,
  	        originOklch = color.toSpace$1(B.OklchColorSpace_9Gj0),
  	        lightness = originOklch.channel0OrNull,
  	        hue = originOklch.channel2OrNull,
  	        alpha = originOklch.alphaOrNull,
  	        t1 = lightness == null,
  	        t2 = t1 ? 0 : lightness;
  	      if (t2 > 1 || A.fuzzyEquals0(t2, 1)) {
  	        t1 = color._color0$_space;
  	        t2 = color.alphaOrNull;
  	        return t1.get$isLegacyInternal() ? A.SassColor_SassColor$rgbInternal0(255, 255, 255, t2, null).toSpace$1(t1) : A.SassColor_SassColor$forSpaceInternal0(t1, 1, 1, 1, t2);
  	      } else {
  	        t1 = t1 ? 0 : lightness;
  	        if (t1 < 0 || A.fuzzyEquals0(t1, 0))
  	          return A.SassColor_SassColor$rgbInternal0(0, 0, 0, color.alphaOrNull, null).toSpace$1(color._color0$_space);
  	      }
  	      clipped = color.get$isInGamut() ? color : B.ClipGamutMap_clip0.map$1(0, color);
  	      if (this._local_minde$_deltaEOK$2(clipped, color) < 0.02)
  	        return clipped;
  	      max = originOklch.channel1OrNull;
  	      if (max == null)
  	        max = 0;
  	      for (t1 = color._color0$_space, min = 0, minInGamut = true; max - min > 0.0001;) {
  	        chroma = (min + max) / 2;
  	        current = B.OklchColorSpace_9Gj0.convert$5(t1, lightness, chroma, hue, alpha);
  	        if (minInGamut && current.get$isInGamut()) {
  	          min = chroma;
  	          continue;
  	        }
  	        clipped = current.get$isInGamut() ? current : B.ClipGamutMap_clip0.map$1(0, current);
  	        e = this._local_minde$_deltaEOK$2(clipped, current);
  	        if (e < 0.02) {
  	          if (0.02 - e < 0.0001)
  	            return clipped;
  	          min = chroma;
  	          minInGamut = false;
  	        } else
  	          max = chroma;
  	      }
  	      return clipped;
  	    },
  	    _local_minde$_deltaEOK$2(color1, color2) {
  	      var t2, t3, t4,
  	        lab1 = color1.toSpace$1(B.OklabColorSpace_5400),
  	        lab2 = color2.toSpace$1(B.OklabColorSpace_5400),
  	        t1 = lab1.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      t2 = lab2.channel0OrNull;
  	      t1 = Math.pow(t1 - (t2 == null ? 0 : t2), 2);
  	      t2 = lab1.channel1OrNull;
  	      if (t2 == null)
  	        t2 = 0;
  	      t3 = lab2.channel1OrNull;
  	      t2 = Math.pow(t2 - (t3 == null ? 0 : t3), 2);
  	      t3 = lab1.channel2OrNull;
  	      if (t3 == null)
  	        t3 = 0;
  	      t4 = lab2.channel2OrNull;
  	      return Math.sqrt(t1 + t2 + Math.pow(t3 - (t4 == null ? 0 : t4), 2));
  	    }
  	  };
  	  A.JSLogger.prototype = {};
  	  A.WarnOptions.prototype = {};
  	  A.DebugOptions.prototype = {};
  	  A.LoggerWithDeprecationType0.prototype = {};
  	  A.LoudComment0.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitLoudComment$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text.toString$0(0);
  	    }
  	  };
  	  A.MapExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitMapExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i, t4,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = this.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        t1.push(t4._0.toString$0(0) + ": " + t4._1.toString$0(0));
  	      }
  	      return "(" + B.JSArray_methods.join$1(t1, ", ") + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._get_closure0.prototype = {
  	    call$1($arguments) {
  	      var value,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value_2);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      for (t1 = A.IterableExtension_get_exceptLast0(t2), t1 = t1.get$iterator(t1); t1.moveNext$0(); map = value) {
  	        value = map._map0$_contents.$index(0, t1.get$current(t1));
  	        if (!(value instanceof A.SassMap0))
  	          return B.C__SassNull0;
  	      }
  	      t1 = map._map0$_contents.$index(0, B.JSArray_methods.get$last(t2));
  	      return t1 == null ? B.C__SassNull0 : t1;
  	    },
  	    $signature: 3
  	  };
  	  A._set_closure1.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._modify0(t1.$index($arguments, 0).assertMap$1("map"), A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value_2), new A._set__closure2($arguments), true);
  	    },
  	    $signature: 3
  	  };
  	  A._set__closure2.prototype = {
  	    call$1(_) {
  	      return J.$index$asx(this.$arguments, 2);
  	    },
  	    $signature: 41
  	  };
  	  A._set_closure2.prototype = {
  	    call$1($arguments) {
  	      var keys, t2, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        _0_0 = t1.$index($arguments, 1).get$asList(),
  	        _0_1 = _0_0.length;
  	      if (_0_1 <= 0)
  	        throw A.wrapException(A.SassScriptException$0("Expected $args to contain a key.", null));
  	      if (_0_1 === 1)
  	        throw A.wrapException(A.SassScriptException$0("Expected $args to contain a value.", null));
  	      t1 = {};
  	      keys = t1.value = null;
  	      t2 = _0_1 >= 1;
  	      if (t2) {
  	        t3 = _0_1 - 1;
  	        keys = B.JSArray_methods.sublist$2(_0_0, 0, t3);
  	        t1.value = _0_0[t3];
  	      }
  	      if (t2)
  	        return A._modify0(map, keys, new A._set__closure1(t1), true);
  	      throw A.wrapException("[BUG] Unreachable code");
  	    },
  	    $signature: 3
  	  };
  	  A._set__closure1.prototype = {
  	    call$1(_) {
  	      return this._box_0.value;
  	    },
  	    $signature: 41
  	  };
  	  A._merge_closure1.prototype = {
  	    call$1($arguments) {
  	      var t2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map1 = t1.$index($arguments, 0).assertMap$1("map1"),
  	        map2 = t1.$index($arguments, 1).assertMap$1("map2");
  	      t1 = type$.Value_2;
  	      t2 = A.LinkedHashMap_LinkedHashMap$of(map1._map0$_contents, t1, t1);
  	      t2.addAll$1(0, map2._map0$_contents);
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 34
  	  };
  	  A._merge_closure2.prototype = {
  	    call$1($arguments) {
  	      var last, t2, keys, _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map1 = t1.$index($arguments, 0).assertMap$1("map1"),
  	        _0_0 = t1.$index($arguments, 1).get$asList(),
  	        _0_1 = _0_0.length;
  	      if (_0_1 <= 0)
  	        throw A.wrapException(A.SassScriptException$0("Expected $args to contain a key.", _null));
  	      if (_0_1 === 1)
  	        throw A.wrapException(A.SassScriptException$0("Expected $args to contain a map.", _null));
  	      t1 = _0_1 >= 1;
  	      last = _null;
  	      if (t1) {
  	        t2 = _0_1 - 1;
  	        keys = B.JSArray_methods.sublist$2(_0_0, 0, t2);
  	        last = _0_0[t2];
  	      } else
  	        keys = _null;
  	      if (t1)
  	        return A._modify0(map1, keys, new A._merge__closure0(last.assertMap$1("map2")), true);
  	      throw A.wrapException("[BUG] Unreachable code");
  	    },
  	    $signature: 3
  	  };
  	  A._merge__closure0.prototype = {
  	    call$1(oldValue) {
  	      var t1, t2,
  	        nestedMap = oldValue.tryMap$0();
  	      if (nestedMap == null)
  	        return this.map2;
  	      t1 = type$.Value_2;
  	      t2 = A.LinkedHashMap_LinkedHashMap$of(nestedMap._map0$_contents, t1, t1);
  	      t2.addAll$1(0, this.map2._map0$_contents);
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	    },
  	    $signature: 524
  	  };
  	  A._deepMerge_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A._deepMergeImpl0(t1.$index($arguments, 0).assertMap$1("map1"), t1.$index($arguments, 1).assertMap$1("map2"));
  	    },
  	    $signature: 34
  	  };
  	  A._deepRemove_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value_2);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      return A._modify0(map, A.IterableExtension_get_exceptLast0(t2), new A._deepRemove__closure0(t2), false);
  	    },
  	    $signature: 3
  	  };
  	  A._deepRemove__closure0.prototype = {
  	    call$1(value) {
  	      var t1, nestedMap, t2,
  	        _0_0 = value.tryMap$0();
  	      if (_0_0 != null) {
  	        t1 = _0_0._map0$_contents.containsKey$1(B.JSArray_methods.get$last(this.keys));
  	        nestedMap = _0_0;
  	      } else {
  	        nestedMap = null;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        t1 = type$.Value_2;
  	        t2 = A.LinkedHashMap_LinkedHashMap$of(nestedMap._map0$_contents, t1, t1);
  	        t2.remove$1(0, B.JSArray_methods.get$last(this.keys));
  	        return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	      }
  	      return value;
  	    },
  	    $signature: 41
  	  };
  	  A._remove_closure1.prototype = {
  	    call$1($arguments) {
  	      return J.$index$asx($arguments, 0).assertMap$1("map");
  	    },
  	    $signature: 34
  	  };
  	  A._remove_closure2.prototype = {
  	    call$1($arguments) {
  	      var mutableMap, t3, _i,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value_2);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      t1 = type$.Value_2;
  	      mutableMap = A.LinkedHashMap_LinkedHashMap$of(map._map0$_contents, t1, t1);
  	      for (t3 = t2.length, _i = 0; _i < t2.length; t2.length === t3 || (0, A.throwConcurrentModificationError)(t2), ++_i)
  	        mutableMap.remove$1(0, t2[_i]);
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	    },
  	    $signature: 34
  	  };
  	  A._keys_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertMap$1("map")._map0$_contents;
  	      return A.SassList$0(t1.get$keys(t1), B.ListSeparator_z0K0, false);
  	    },
  	    $signature: 27
  	  };
  	  A._values_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertMap$1("map")._map0$_contents;
  	      return A.SassList$0(t1.get$values(t1), B.ListSeparator_z0K0, false);
  	    },
  	    $signature: 27
  	  };
  	  A._hasKey_closure0.prototype = {
  	    call$1($arguments) {
  	      var value,
  	        t1 = J.getInterceptor$asx($arguments),
  	        map = t1.$index($arguments, 0).assertMap$1("map"),
  	        t2 = A._setArrayType([t1.$index($arguments, 1)], type$.JSArray_Value_2);
  	      B.JSArray_methods.addAll$1(t2, t1.$index($arguments, 2).get$asList());
  	      for (t1 = A.IterableExtension_get_exceptLast0(t2), t1 = t1.get$iterator(t1); t1.moveNext$0(); map = value) {
  	        value = map._map0$_contents.$index(0, t1.get$current(t1));
  	        if (!(value instanceof A.SassMap0))
  	          return B.SassBoolean_false0;
  	      }
  	      return map._map0$_contents.containsKey$1(B.JSArray_methods.get$last(t2)) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._modify_modifyNestedMap0.prototype = {
  	    call$1(map) {
  	      var nestedMap, _this = this,
  	        t1 = type$.Value_2,
  	        mutableMap = A.LinkedHashMap_LinkedHashMap$of(map._map0$_contents, t1, t1),
  	        t2 = _this.keyIterator,
  	        key = t2.get$current(t2);
  	      if (!t2.moveNext$0()) {
  	        t2 = mutableMap.$index(0, key);
  	        if (t2 == null)
  	          t2 = B.C__SassNull0;
  	        mutableMap.$indexSet(0, key, _this.modify.call$1(t2));
  	        return new A.SassMap0(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	      }
  	      t2 = mutableMap.$index(0, key);
  	      nestedMap = t2 == null ? null : t2.tryMap$0();
  	      t2 = nestedMap == null;
  	      if (t2 && !_this.addNesting)
  	        return new A.SassMap0(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	      mutableMap.$indexSet(0, key, _this.call$1(t2 ? B.SassMap_Map_empty0 : nestedMap));
  	      return new A.SassMap0(A.ConstantMap_ConstantMap$from(mutableMap, t1, t1));
  	    },
  	    $signature: 525
  	  };
  	  A.MapExtensions_get_pairs_closure0.prototype = {
  	    call$1(e) {
  	      return new A._Record_2(e.key, e.value);
  	    },
  	    $signature() {
  	      return this.K._eval$1("@<0>")._bind$1(this.V)._eval$1("+(1,2)(MapEntry<1,2>)");
  	    }
  	  };
  	  A.mapClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassMap", new A.mapClass__closure())),
  	        t2 = J.getInterceptor$x(jsClass);
  	      A.defineGetter(t2.get$$prototype(jsClass), "contents", new A.mapClass__closure0(), null);
  	      t2.get$$prototype(jsClass).get = A.allowInteropCaptureThisNamed("get", new A.mapClass__closure1());
  	      A.JSClassExtension_injectSuperclass(t1._as(B.SassMap_Map_empty0.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.mapClass__closure.prototype = {
  	    call$2($self, contents) {
  	      var t1;
  	      if (contents == null)
  	        t1 = B.SassMap_Map_empty0;
  	      else {
  	        t1 = type$.Value_2;
  	        t1 = new A.SassMap0(A.ConstantMap_ConstantMap$from(A.immutableMapToDartMap(contents).cast$2$0(0, t1, t1), t1, t1));
  	      }
  	      return t1;
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 526
  	  };
  	  A.mapClass__closure0.prototype = {
  	    call$1($self) {
  	      return A.dartMapToImmutableMap($self._map0$_contents);
  	    },
  	    $signature: 527
  	  };
  	  A.mapClass__closure1.prototype = {
  	    call$2($self, indexOrKey) {
  	      var index, t1, _0_0;
  	      if (typeof indexOrKey == "number") {
  	        index = B.JSNumber_methods.floor$0(indexOrKey);
  	        if (index < 0) {
  	          t1 = $self._map0$_contents;
  	          index = t1.get$length(t1) + index;
  	        }
  	        if (index >= 0) {
  	          t1 = $self._map0$_contents;
  	          t1 = index >= t1.get$length(t1);
  	        } else
  	          t1 = true;
  	        if (t1)
  	          return self.undefined;
  	        t1 = type$.Value_2;
  	        _0_0 = A.MapExtensions_get_pairs0($self._map0$_contents, t1, t1).elementAt$1(0, index);
  	        return A.SassList$0(A._setArrayType([_0_0._0, _0_0._1], type$.JSArray_Value_2), B.ListSeparator_SrV0, false);
  	      } else {
  	        t1 = $self._map0$_contents.$index(0, indexOrKey);
  	        return t1 == null ? self.undefined : t1;
  	      }
  	    },
  	    $signature: 528
  	  };
  	  A._NodeSassMap.prototype = {};
  	  A.legacyMapClass_closure.prototype = {
  	    call$3(thisArg, $length, dartValue) {
  	      var t1, t2, t3, map;
  	      if (dartValue == null) {
  	        $length.toString;
  	        t1 = type$.Value_2;
  	        t2 = A.Iterable_Iterable$generate($length, new A.legacyMapClass__closure(), t1);
  	        t3 = A.Iterable_Iterable$generate($length, new A.legacyMapClass__closure0(), t1);
  	        map = A.LinkedHashMap_LinkedHashMap(null, null, null, t1, t1);
  	        A.MapBase__fillMapWithIterables(map, t2, t3);
  	        t1 = new A.SassMap0(A.ConstantMap_ConstantMap$from(map, t1, t1));
  	      } else
  	        t1 = dartValue;
  	      J.set$dartValue$x(thisArg, t1);
  	    },
  	    call$2(thisArg, $length) {
  	      return this.call$3(thisArg, $length, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 529
  	  };
  	  A.legacyMapClass__closure.prototype = {
  	    call$1(i) {
  	      return A.SassNumber_SassNumber0(i, null);
  	    },
  	    $signature: 530
  	  };
  	  A.legacyMapClass__closure0.prototype = {
  	    call$1(_) {
  	      return B.C__SassNull0;
  	    },
  	    $signature: 251
  	  };
  	  A.legacyMapClass_closure0.prototype = {
  	    call$2(thisArg, index) {
  	      var t1 = J.get$dartValue$x(thisArg)._map0$_contents;
  	      t1 = t1.get$keys(t1);
  	      return A.wrapValue(t1.elementAt$1(t1, index));
  	    },
  	    $signature: 252
  	  };
  	  A.legacyMapClass_closure1.prototype = {
  	    call$2(thisArg, index) {
  	      var t1 = J.get$dartValue$x(thisArg)._map0$_contents;
  	      t1 = t1.get$values(t1);
  	      return A.wrapValue(t1.elementAt$1(t1, index));
  	    },
  	    $signature: 252
  	  };
  	  A.legacyMapClass_closure2.prototype = {
  	    call$1(thisArg) {
  	      var t1 = J.get$dartValue$x(thisArg)._map0$_contents;
  	      return t1.get$length(t1);
  	    },
  	    $signature: 532
  	  };
  	  A.legacyMapClass_closure3.prototype = {
  	    call$3(thisArg, index, key) {
  	      var newKey, t2, newMap, t3, i, t4, oldKey, oldValue,
  	        t1 = J.getInterceptor$x(thisArg),
  	        oldMap = t1.get$dartValue(thisArg)._map0$_contents,
  	        $length = oldMap.get$length(oldMap);
  	      A.IndexError_check(index, $length, oldMap, null, "index");
  	      newKey = A.unwrapValue(key);
  	      t2 = type$.Value_2;
  	      newMap = A.LinkedHashMap_LinkedHashMap$_empty(t2, t2);
  	      for (t3 = A.MapExtensions_get_pairs0(t1.get$dartValue(thisArg)._map0$_contents, t2, t2), t3 = t3.get$iterator(t3), i = 0; t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        oldKey = t4._0;
  	        oldValue = t4._1;
  	        if (i === index)
  	          newMap.$indexSet(0, newKey, oldValue);
  	        else {
  	          if (newKey.$eq(0, oldKey))
  	            throw A.wrapException(A.ArgumentError$value(key, "key", "is already in the map"));
  	          newMap.$indexSet(0, oldKey, oldValue);
  	        }
  	        ++i;
  	      }
  	      t1.set$dartValue(thisArg, new A.SassMap0(A.ConstantMap_ConstantMap$from(newMap, t2, t2)));
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 3,
  	    $signature: 253
  	  };
  	  A.legacyMapClass_closure4.prototype = {
  	    call$3(thisArg, index, value) {
  	      var key, t3,
  	        t1 = J.getInterceptor$x(thisArg),
  	        t2 = t1.get$dartValue(thisArg)._map0$_contents;
  	      t2 = t2.get$keys(t2);
  	      key = t2.elementAt$1(t2, index);
  	      t2 = type$.Value_2;
  	      t3 = A.LinkedHashMap_LinkedHashMap$of(t1.get$dartValue(thisArg)._map0$_contents, t2, t2);
  	      t3.$indexSet(0, key, A.unwrapValue(value));
  	      t1.set$dartValue(thisArg, new A.SassMap0(A.ConstantMap_ConstantMap$from(t3, t2, t2)));
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 3,
  	    $signature: 253
  	  };
  	  A.SassMap0.prototype = {
  	    get$separator(_) {
  	      var t1 = this._map0$_contents;
  	      return t1.get$isEmpty(t1) ? B.ListSeparator_undecided_null_3_undecided0 : B.ListSeparator_z0K0;
  	    },
  	    get$asList() {
  	      var t3, t4, t5, result,
  	        t1 = type$.JSArray_Value_2,
  	        t2 = A._setArrayType([], t1);
  	      for (t3 = type$.Value_2, t4 = A.MapExtensions_get_pairs0(this._map0$_contents, t3, t3), t4 = t4.get$iterator(t4); t4.moveNext$0();) {
  	        t5 = t4.get$current(t4);
  	        result = A.List_List$from(A._setArrayType([t5._0, t5._1], t1), false, t3);
  	        result.$flags = 3;
  	        t2.push(new A.SassList0(result, B.ListSeparator_SrV0, false));
  	      }
  	      return t2;
  	    },
  	    get$lengthAsList() {
  	      var t1 = this._map0$_contents;
  	      return t1.get$length(t1);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitMap$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMap$1($name) {
  	      return this;
  	    },
  	    tryMap$0() {
  	      return this;
  	    },
  	    $eq(_, other) {
  	      var t1;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassMap0 && B.C_MapEquality.equals$2(0, other._map0$_contents, this._map0$_contents))) {
  	        t1 = this._map0$_contents;
  	        t1 = t1.get$isEmpty(t1) && other instanceof A.SassList0 && other._list1$_contents.length === 0;
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._map0$_contents;
  	      return t1.get$isEmpty(t1) ? B.C_ListEquality0.hash$1(B.List_empty23) : B.C_MapEquality.hash$1(t1);
  	    }
  	  };
  	  A.global_closure43.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        number = J.$index$asx($arguments, 0).assertNumber$1("number");
  	      if (number.hasUnit$1("%"))
  	        A.warnForDeprecation0(string$.Passinp + number.toString$0(0) + ")\nTo emit a CSS abs() now: abs(#{" + number.toString$0(0) + string$.x7dx29_Mor, B.Deprecation_w3M);
  	      else
  	        A.warnForDeprecation0(string$.Globalm, B.Deprecation_SGB);
  	      t1 = number.get$numeratorUnits(number);
  	      return A.SassNumber_SassNumber$withUnits0(Math.abs(number._number1$_value), number.get$denominatorUnits(number), t1);
  	    },
  	    $signature: 25
  	  };
  	  A.module_closure26.prototype = {
  	    call$1(value) {
  	      return Math.abs(value);
  	    },
  	    $signature: 12
  	  };
  	  A._ceil_closure0.prototype = {
  	    call$1(value) {
  	      return B.JSNumber_methods.ceil$0(value);
  	    },
  	    $signature: 12
  	  };
  	  A._clamp_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        min = t1.$index($arguments, 0).assertNumber$1("min"),
  	        number = t1.$index($arguments, 1).assertNumber$1("number"),
  	        max = t1.$index($arguments, 2).assertNumber$1("max");
  	      number.convertValueToMatch$3(min, "number", "min");
  	      max.convertValueToMatch$3(min, "max", "min");
  	      if (min.greaterThanOrEquals$1(max).value)
  	        return min;
  	      if (min.greaterThanOrEquals$1(number).value)
  	        return min;
  	      if (number.greaterThanOrEquals$1(max).value)
  	        return max;
  	      return number;
  	    },
  	    $signature: 25
  	  };
  	  A._floor_closure0.prototype = {
  	    call$1(value) {
  	      return B.JSNumber_methods.floor$0(value);
  	    },
  	    $signature: 12
  	  };
  	  A._max_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, max, _i, number;
  	      for (t1 = J.$index$asx($arguments, 0).get$asList(), t2 = t1.length, max = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        number = t1[_i].assertNumber$0();
  	        if (max == null || max.lessThan$1(number).value)
  	          max = number;
  	      }
  	      if (max != null)
  	        return max;
  	      throw A.wrapException(A.SassScriptException$0("At least one argument must be passed.", null));
  	    },
  	    $signature: 25
  	  };
  	  A._min_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, min, _i, number;
  	      for (t1 = J.$index$asx($arguments, 0).get$asList(), t2 = t1.length, min = null, _i = 0; _i < t1.length; t1.length === t2 || (0, A.throwConcurrentModificationError)(t1), ++_i) {
  	        number = t1[_i].assertNumber$0();
  	        if (min == null || min.greaterThan$1(number).value)
  	          min = number;
  	      }
  	      if (min != null)
  	        return min;
  	      throw A.wrapException(A.SassScriptException$0("At least one argument must be passed.", null));
  	    },
  	    $signature: 25
  	  };
  	  A._round_closure0.prototype = {
  	    call$1(number) {
  	      return B.JSNumber_methods.round$0(number);
  	    },
  	    $signature: 12
  	  };
  	  A._hypot_closure0.prototype = {
  	    call$1($arguments) {
  	      var subtotal, i, i0, t3,
  	        t1 = J.$index$asx($arguments, 0).get$asList(),
  	        t2 = A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,SassNumber0>"),
  	        numbers = A.List_List$_of(new A.MappedListIterable(t1, new A._hypot__closure0(), t2), t2._eval$1("ListIterable.E"));
  	      if (numbers.length === 0)
  	        throw A.wrapException(A.SassScriptException$0("At least one argument must be passed.", null));
  	      for (subtotal = 0, i = 0; i < numbers.length; i = i0) {
  	        i0 = i + 1;
  	        subtotal += Math.pow(numbers[i].convertValueToMatch$3(numbers[0], "numbers[" + i0 + "]", "numbers[1]"), 2);
  	      }
  	      t1 = Math.sqrt(subtotal);
  	      t2 = numbers[0];
  	      t2 = t2.get$numeratorUnits(t2);
  	      t3 = numbers[0];
  	      return A.SassNumber_SassNumber$withUnits0(t1, t3.get$denominatorUnits(t3), t2);
  	    },
  	    $signature: 25
  	  };
  	  A._hypot__closure0.prototype = {
  	    call$1(argument) {
  	      return argument.assertNumber$0();
  	    },
  	    $signature: 534
  	  };
  	  A._log_closure0.prototype = {
  	    call$1($arguments) {
  	      var base,
  	        _s18_ = " to have no units.",
  	        _null = null,
  	        t1 = J.getInterceptor$asx($arguments),
  	        number = t1.$index($arguments, 0).assertNumber$1("number");
  	      if (number.get$hasUnits())
  	        throw A.wrapException(A.SassScriptException$0("$number: Expected " + number.toString$0(0) + _s18_, _null));
  	      else if (t1.$index($arguments, 1).$eq(0, B.C__SassNull0))
  	        return A.SassNumber_SassNumber0(Math.log(number._number1$_value), _null);
  	      base = t1.$index($arguments, 1).assertNumber$1("base");
  	      if (base.get$hasUnits())
  	        throw A.wrapException(A.SassScriptException$0("$base: Expected " + base.toString$0(0) + _s18_, _null));
  	      else
  	        return A.SassNumber_SassNumber0(Math.log(number._number1$_value) / Math.log(base._number1$_value), _null);
  	    },
  	    $signature: 25
  	  };
  	  A._pow_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return A.pow1(t1.$index($arguments, 0).assertNumber$1("base"), t1.$index($arguments, 1).assertNumber$1("exponent"));
  	    },
  	    $signature: 25
  	  };
  	  A._atan2_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        y = t1.$index($arguments, 0).assertNumber$1("y");
  	      return A.SassNumber_SassNumber$withUnits0(Math.atan2(y._number1$_value, t1.$index($arguments, 1).assertNumber$1("x").convertValueToMatch$3(y, "x", "y")) * 57.29577951308232, null, A._setArrayType(["deg"], type$.JSArray_String));
  	    },
  	    $signature: 25
  	  };
  	  A._compatible_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments);
  	      return t1.$index($arguments, 0).assertNumber$1("number1").isComparableTo$1(t1.$index($arguments, 1).assertNumber$1("number2")) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._isUnitless_closure0.prototype = {
  	    call$1($arguments) {
  	      return !J.$index$asx($arguments, 0).assertNumber$1("number").get$hasUnits() ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._unit_closure0.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString0(J.$index$asx($arguments, 0).assertNumber$1("number").get$unitString(), true);
  	    },
  	    $signature: 18
  	  };
  	  A._percentage_closure0.prototype = {
  	    call$1($arguments) {
  	      var number = J.$index$asx($arguments, 0).assertNumber$1("number");
  	      number.assertNoUnits$1("number");
  	      return A.SassNumber_SassNumber0(number._number1$_value * 100, "%");
  	    },
  	    $signature: 25
  	  };
  	  A._randomFunction_closure0.prototype = {
  	    call$1($arguments) {
  	      var limit, limitScalar,
  	        t1 = J.getInterceptor$asx($arguments);
  	      if (t1.$index($arguments, 0).$eq(0, B.C__SassNull0))
  	        return A.SassNumber_SassNumber0($.$get$_random2().nextDouble$0(), null);
  	      limit = t1.$index($arguments, 0).assertNumber$1("limit");
  	      if (limit.get$hasUnits())
  	        A.warnForDeprecation0(string$.math_r + limit.toString$0(0) + string$.x29x20in_a + limit.get$unitString() + ")) * 1" + limit.get$unitString() + string$.x0a_To_p + limit.get$unitString() + string$.x29x29__Mo, B.Deprecation_PHd);
  	      limitScalar = limit.assertInt$1("limit");
  	      if (limitScalar < 1)
  	        throw A.wrapException(A.SassScriptException$0("$limit: Must be greater than 0, was " + limit.toString$0(0) + ".", null));
  	      return A.SassNumber_SassNumber0($.$get$_random2().nextInt$1(limitScalar) + 1, null);
  	    },
  	    $signature: 25
  	  };
  	  A._div_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        number1 = t1.$index($arguments, 0),
  	        number2 = t1.$index($arguments, 1);
  	      if (!(number1 instanceof A.SassNumber0) || !(number2 instanceof A.SassNumber0))
  	        A.warn0(string$.math_d);
  	      return number1.dividedBy$1(number2);
  	    },
  	    $signature: 3
  	  };
  	  A._singleArgumentMathFunc_closure0.prototype = {
  	    call$1($arguments) {
  	      return this.mathFunc.call$1(J.$index$asx($arguments, 0).assertNumber$1("number"));
  	    },
  	    $signature: 25
  	  };
  	  A._numberFunction_closure0.prototype = {
  	    call$1($arguments) {
  	      var number = J.$index$asx($arguments, 0).assertNumber$1("number"),
  	        t1 = this.transform.call$1(number._number1$_value),
  	        t2 = number.get$numeratorUnits(number);
  	      return A.SassNumber_SassNumber$withUnits0(t1, number.get$denominatorUnits(number), t2);
  	    },
  	    $signature: 25
  	  };
  	  A.CssMediaQuery0.prototype = {
  	    merge$1(other) {
  	      var t1, ourModifier, t2, t3, ourType, t4, theirModifier, t5, t6, theirType, t7, t8, negativeConditions, conditions, type, modifier, fewerConditions, fewerConditions0, moreConditions, _this = this, _null = null, _s3_ = "all";
  	      if (!_this.conjunction || !other.conjunction)
  	        return B._SingletonCssMediaQueryMergeResult_10;
  	      t1 = _this.modifier;
  	      ourModifier = t1 == null ? _null : t1.toLowerCase();
  	      t2 = _this.type;
  	      t3 = t2 == null;
  	      ourType = t3 ? _null : t2.toLowerCase();
  	      t4 = other.modifier;
  	      theirModifier = t4 == null ? _null : t4.toLowerCase();
  	      t5 = other.type;
  	      t6 = t5 == null;
  	      theirType = t6 ? _null : t5.toLowerCase();
  	      t7 = ourType == null;
  	      if (t7 && theirType == null) {
  	        t1 = A.List_List$_of(_this.conditions, type$.String);
  	        B.JSArray_methods.addAll$1(t1, other.conditions);
  	        return new A.MediaQuerySuccessfulMergeResult0(A.CssMediaQuery$condition0(t1, true));
  	      }
  	      t8 = ourModifier === "not";
  	      if (t8 !== (theirModifier === "not")) {
  	        if (ourType == theirType) {
  	          negativeConditions = t8 ? _this.conditions : other.conditions;
  	          if (B.JSArray_methods.every$1(negativeConditions, B.JSArray_methods.get$contains(t8 ? other.conditions : _this.conditions)))
  	            return B._SingletonCssMediaQueryMergeResult_00;
  	          else
  	            return B._SingletonCssMediaQueryMergeResult_10;
  	        } else if (t3 || A.equalsIgnoreCase0(t2, _s3_) || t6 || A.equalsIgnoreCase0(t5, _s3_))
  	          return B._SingletonCssMediaQueryMergeResult_10;
  	        if (t8) {
  	          conditions = other.conditions;
  	          type = theirType;
  	          modifier = theirModifier;
  	        } else {
  	          conditions = _this.conditions;
  	          type = ourType;
  	          modifier = ourModifier;
  	        }
  	      } else if (t8) {
  	        if (ourType != theirType)
  	          return B._SingletonCssMediaQueryMergeResult_10;
  	        fewerConditions = _this.conditions;
  	        fewerConditions0 = other.conditions;
  	        t3 = fewerConditions.length > fewerConditions0.length;
  	        moreConditions = t3 ? fewerConditions : fewerConditions0;
  	        if (t3)
  	          fewerConditions = fewerConditions0;
  	        if (!B.JSArray_methods.every$1(fewerConditions, B.JSArray_methods.get$contains(moreConditions)))
  	          return B._SingletonCssMediaQueryMergeResult_10;
  	        conditions = moreConditions;
  	        type = ourType;
  	        modifier = ourModifier;
  	      } else if (t3 || A.equalsIgnoreCase0(t2, _s3_)) {
  	        type = (t6 || A.equalsIgnoreCase0(t5, _s3_)) && t7 ? _null : theirType;
  	        t3 = A.List_List$_of(_this.conditions, type$.String);
  	        B.JSArray_methods.addAll$1(t3, other.conditions);
  	        conditions = t3;
  	        modifier = theirModifier;
  	      } else {
  	        if (t6 || A.equalsIgnoreCase0(t5, _s3_)) {
  	          t3 = A.List_List$_of(_this.conditions, type$.String);
  	          B.JSArray_methods.addAll$1(t3, other.conditions);
  	          conditions = t3;
  	          modifier = ourModifier;
  	        } else {
  	          if (ourType != theirType)
  	            return B._SingletonCssMediaQueryMergeResult_00;
  	          else {
  	            modifier = ourModifier == null ? theirModifier : ourModifier;
  	            t3 = A.List_List$_of(_this.conditions, type$.String);
  	            B.JSArray_methods.addAll$1(t3, other.conditions);
  	          }
  	          conditions = t3;
  	        }
  	        type = ourType;
  	      }
  	      t2 = type == ourType ? t2 : t5;
  	      return new A.MediaQuerySuccessfulMergeResult0(A.CssMediaQuery$type0(t2, conditions, modifier == ourModifier ? t1 : t4));
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.CssMediaQuery0 && other.modifier == this.modifier && other.type == this.type && B.C_ListEquality.equals$2(0, other.conditions, this.conditions);
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.modifier) ^ J.get$hashCode$(this.type) ^ B.C_ListEquality0.hash$1(this.conditions);
  	    },
  	    toString$0(_) {
  	      var t2, _this = this,
  	        t1 = _this.modifier;
  	      t1 = t1 != null ? t1 + " " : "";
  	      t2 = _this.type;
  	      if (t2 != null) {
  	        t1 += t2;
  	        if (_this.conditions.length !== 0)
  	          t1 += " and ";
  	      }
  	      t2 = _this.conjunction ? " and " : " or ";
  	      t2 = t1 + B.JSArray_methods.join$1(_this.conditions, t2);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    }
  	  };
  	  A._SingletonCssMediaQueryMergeResult0.prototype = {
  	    _enumToString$0() {
  	      return "_SingletonCssMediaQueryMergeResult." + this._name;
  	    }
  	  };
  	  A.MediaQuerySuccessfulMergeResult0.prototype = {
  	    toString$0(_) {
  	      return this.query.toString$0(0);
  	    }
  	  };
  	  A.MediaQueryParser0.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.MediaQueryParser_parse_closure0(this));
  	    },
  	    _media_query$_mediaQuery$0() {
  	      var conditions, conjunction, t1, identifier1, identifier2, type, modifier, _this = this, _null = null, _s3_ = "and";
  	      if (_this.scanner.peekChar$0() === 40) {
  	        conditions = A._setArrayType([_this._media_query$_mediaInParens$0()], type$.JSArray_String);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          _this.expectWhitespace$0();
  	          B.JSArray_methods.addAll$1(conditions, _this._media_query$_mediaLogicSequence$1(_s3_));
  	          conjunction = true;
  	        } else {
  	          t1 = _this.scanIdentifier$1("or");
  	          if (t1) {
  	            _this.expectWhitespace$0();
  	            B.JSArray_methods.addAll$1(conditions, _this._media_query$_mediaLogicSequence$1("or"));
  	          }
  	          conjunction = !t1;
  	        }
  	        return A.CssMediaQuery$condition0(conditions, conjunction);
  	      }
  	      identifier1 = _this.identifier$0();
  	      if (A.equalsIgnoreCase0(identifier1, "not")) {
  	        _this.expectWhitespace$0();
  	        if (!_this.lookingAtIdentifier$0())
  	          return A.CssMediaQuery$condition0(A._setArrayType(["(not " + _this._media_query$_mediaInParens$0() + ")"], type$.JSArray_String), _null);
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (!_this.lookingAtIdentifier$0())
  	        return A.CssMediaQuery$type0(identifier1, _null, _null);
  	      identifier2 = _this.identifier$0();
  	      if (A.equalsIgnoreCase0(identifier2, _s3_)) {
  	        _this.expectWhitespace$0();
  	        type = identifier1;
  	        modifier = _null;
  	      } else {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1(_s3_))
  	          _this.expectWhitespace$0();
  	        else
  	          return A.CssMediaQuery$type0(identifier2, _null, identifier1);
  	        type = identifier2;
  	        modifier = identifier1;
  	      }
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.expectWhitespace$0();
  	        return A.CssMediaQuery$type0(type, A._setArrayType(["(not " + _this._media_query$_mediaInParens$0() + ")"], type$.JSArray_String), modifier);
  	      }
  	      return A.CssMediaQuery$type0(type, _this._media_query$_mediaLogicSequence$1(_s3_), modifier);
  	    },
  	    _media_query$_mediaLogicSequence$1(operator) {
  	      var t1, t2, _this = this,
  	        result = A._setArrayType([], type$.JSArray_String);
  	      for (t1 = _this.scanner;;) {
  	        t1.expectChar$2$name(40, "media condition in parentheses");
  	        t2 = _this.declarationValue$0();
  	        t1.expectChar$1(41);
  	        result.push("(" + t2 + ")");
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this.scanIdentifier$1(operator))
  	          return result;
  	        _this.expectWhitespace$0();
  	      }
  	    },
  	    _media_query$_mediaInParens$0() {
  	      var t2,
  	        t1 = this.scanner;
  	      t1.expectChar$2$name(40, "media condition in parentheses");
  	      t2 = this.declarationValue$0();
  	      t1.expectChar$1(41);
  	      return "(" + t2 + ")";
  	    }
  	  };
  	  A.MediaQueryParser_parse_closure0.prototype = {
  	    call$0() {
  	      var queries = A._setArrayType([], type$.JSArray_CssMediaQuery_2),
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      do {
  	        t1.whitespace$1$consumeNewlines(true);
  	        queries.push(t1._media_query$_mediaQuery$0());
  	        t1.whitespace$1$consumeNewlines(true);
  	      } while (t2.scanChar$1(44));
  	      t2.expectDone$0();
  	      return queries;
  	    },
  	    $signature: 535
  	  };
  	  A.ModifiableCssMediaRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssMediaRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssMediaRule0 && B.C_ListEquality.equals$2(0, this.queries, other.queries);
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssMediaRule$0(this.queries, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.MediaRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitMediaRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@media " + this.query.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.MergedExtension0.prototype = {
  	    unmerge$0() {
  	      return new A._SyncStarIterable(this.unmerge$body$MergedExtension0(), type$._SyncStarIterable_Extension_2);
  	    },
  	    unmerge$body$MergedExtension0() {
  	      var $async$self = this;
  	      return function() {
  	        var $async$goto = 0, $async$handler = 1, $async$errorStack = [], right, left;
  	        return function $async$unmerge$0($async$iterator, $async$errorCode, $async$result) {
  	          if ($async$errorCode === 1) {
  	            $async$errorStack.push($async$result);
  	            $async$goto = $async$handler;
  	          }
  	          for (;;)
  	            switch ($async$goto) {
  	              case 0:
  	                // Function start
  	                left = $async$self.left;
  	                $async$goto = left instanceof A.MergedExtension0 ? 2 : 4;
  	                break;
  	              case 2:
  	                // then
  	                $async$goto = 5;
  	                return $async$iterator._yieldStar$1(left.unmerge$0());
  	              case 5:
  	                // after yield
  	                // goto join
  	                $async$goto = 3;
  	                break;
  	              case 4:
  	                // else
  	                $async$goto = 6;
  	                return $async$iterator._async$_current = left, 1;
  	              case 6:
  	                // after yield
  	              case 3:
  	                // join
  	                right = $async$self.right;
  	                $async$goto = right instanceof A.MergedExtension0 ? 7 : 9;
  	                break;
  	              case 7:
  	                // then
  	                $async$goto = 10;
  	                return $async$iterator._yieldStar$1(right.unmerge$0());
  	              case 10:
  	                // after yield
  	                // goto join
  	                $async$goto = 8;
  	                break;
  	              case 9:
  	                // else
  	                $async$goto = 11;
  	                return $async$iterator._async$_current = right, 1;
  	              case 11:
  	                // after yield
  	              case 8:
  	                // join
  	                // implicit return
  	                return 0;
  	              case 1:
  	                // rethrow
  	                return $async$iterator._datum = $async$errorStack.at(-1), 3;
  	            }
  	        };
  	      };
  	    }
  	  };
  	  A.MergedMapView0.prototype = {
  	    get$keys(_) {
  	      var t1 = this._merged_map_view$_mapsByKey;
  	      return new A.LinkedHashMapKeysIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeysIterable<1>"));
  	    },
  	    get$length(_) {
  	      return this._merged_map_view$_mapsByKey.__js_helper$_length;
  	    },
  	    get$isEmpty(_) {
  	      return this._merged_map_view$_mapsByKey.__js_helper$_length === 0;
  	    },
  	    get$isNotEmpty(_) {
  	      return this._merged_map_view$_mapsByKey.__js_helper$_length !== 0;
  	    },
  	    MergedMapView$10(maps, $K, $V) {
  	      var t1, t2, _i, map, t3, t4;
  	      for (t1 = maps.length, t2 = this._merged_map_view$_mapsByKey, _i = 0; _i < maps.length; maps.length === t1 || (0, A.throwConcurrentModificationError)(maps), ++_i) {
  	        map = maps[_i];
  	        if (map instanceof A.MergedMapView0)
  	          for (t3 = map._merged_map_view$_mapsByKey, t3 = new A.LinkedHashMapValueIterator(t3, t3._modifications, t3._first); t3.moveNext$0();) {
  	            t4 = t3.__js_helper$_current;
  	            A.setAll0(t2, t4.get$keys(t4), t4);
  	          }
  	        else
  	          A.setAll0(t2, map.get$keys(map), map);
  	      }
  	    },
  	    $index(_, key) {
  	      var t1 = this._merged_map_view$_mapsByKey.$index(0, this.$ti._precomputed1._as(key));
  	      return t1 == null ? null : t1.$index(0, key);
  	    },
  	    $indexSet(_, key, value) {
  	      var _0_0 = this._merged_map_view$_mapsByKey.$index(0, key);
  	      if (_0_0 != null)
  	        _0_0.$indexSet(0, key, value);
  	      else
  	        throw A.wrapException(A.UnsupportedError$(string$.New_en));
  	    },
  	    remove$1(_, key) {
  	      throw A.wrapException(A.UnsupportedError$(string$.Entrie));
  	    },
  	    containsKey$1(key) {
  	      return this._merged_map_view$_mapsByKey.containsKey$1(key);
  	    }
  	  };
  	  A._shared_closure3.prototype = {
  	    call$1($arguments) {
  	      A.warnForDeprecation0(string$.The_fe, B.Deprecation_p2t);
  	      return $._features0.contains$1(0, J.$index$asx($arguments, 0).assertString$1("feature")._string0$_text) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._shared_closure4.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString0(A.serializeValue0(J.get$first$ax($arguments), true, true), false);
  	    },
  	    $signature: 18
  	  };
  	  A._shared_closure5.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        _0_0 = t1.$index($arguments, 0);
  	      $label0$0: {
  	        if (_0_0 instanceof A.SassArgumentList0) {
  	          t1 = "arglist";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassBoolean0) {
  	          t1 = "bool";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassColor0) {
  	          t1 = "color";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassList0) {
  	          t1 = "list";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassMap0) {
  	          t1 = "map";
  	          break $label0$0;
  	        }
  	        if (B.C__SassNull0 === _0_0) {
  	          t1 = "null";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassNumber0) {
  	          t1 = "number";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassFunction0) {
  	          t1 = "function";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassMixin0) {
  	          t1 = "mixin";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassCalculation0) {
  	          t1 = "calculation";
  	          break $label0$0;
  	        }
  	        if (_0_0 instanceof A.SassString0) {
  	          t1 = "string";
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression("[BUG] Unknown value type " + t1.$index($arguments, 0).toString$0(0));
  	      }
  	      return new A.SassString0(t1, false);
  	    },
  	    $signature: 18
  	  };
  	  A._shared_closure6.prototype = {
  	    call$1($arguments) {
  	      var t2, t3, t4,
  	        t1 = J.getInterceptor$asx($arguments),
  	        _1_0 = t1.$index($arguments, 0);
  	      if (_1_0 instanceof A.SassArgumentList0) {
  	        _1_0._argument_list$_wereKeywordsAccessed = true;
  	        t1 = type$.Value_2;
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	        for (t3 = A.MapExtensions_get_pairs0(_1_0._argument_list$_keywords, type$.String, t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	          t4 = t3.get$current(t3);
  	          t2.$indexSet(0, new A.SassString0(t4._0, false), t4._1);
  	        }
  	        return new A.SassMap0(A.ConstantMap_ConstantMap$from(t2, t1, t1));
  	      } else
  	        throw A.wrapException("$args: " + t1.$index($arguments, 0).toString$0(0) + " is not an argument list.");
  	    },
  	    $signature: 34
  	  };
  	  A.moduleFunctions_closure2.prototype = {
  	    call$1($arguments) {
  	      return new A.SassString0(J.$index$asx($arguments, 0).assertCalculation$1("calc").name, true);
  	    },
  	    $signature: 18
  	  };
  	  A.moduleFunctions_closure3.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).assertCalculation$1("calc").$arguments;
  	      return A.SassList$0(new A.MappedListIterable(t1, new A.moduleFunctions__closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value0>")), B.ListSeparator_z0K0, false);
  	    },
  	    $signature: 27
  	  };
  	  A.moduleFunctions__closure0.prototype = {
  	    call$1(argument) {
  	      return argument instanceof A.Value0 ? argument : new A.SassString0(J.toString$0$(argument), false);
  	    },
  	    $signature: 536
  	  };
  	  A.moduleFunctions_closure4.prototype = {
  	    call$1($arguments) {
  	      var _0_2_isSet, _0_2, acceptsContent, t1, _0_5_isSet, _0_5, hasContent, _null = null,
  	        mixin = J.$index$asx($arguments, 0).assertMixin$1("mixin"),
  	        _0_0 = mixin.callable;
  	      $label0$0: {
  	        _0_2_isSet = type$.AsyncBuiltInCallable_2._is(_0_0);
  	        _0_2 = _null;
  	        acceptsContent = _null;
  	        if (_0_2_isSet) {
  	          _0_2 = _0_0.get$acceptsContent();
  	          acceptsContent = _0_2;
  	        }
  	        if (!_0_2_isSet) {
  	          _0_2_isSet = _0_0 instanceof A.BuiltInCallable0;
  	          if (_0_2_isSet)
  	            acceptsContent = _0_0.acceptsContent;
  	          t1 = _0_2_isSet;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = acceptsContent;
  	          break $label0$0;
  	        }
  	        _0_5_isSet = _0_0 instanceof A.UserDefinedCallable0;
  	        _0_5 = _null;
  	        if (_0_5_isSet) {
  	          _0_5 = _0_0.declaration;
  	          t1 = _0_5;
  	          t1 = t1 instanceof A.MixinRule0;
  	        } else
  	          t1 = false;
  	        if (t1) {
  	          t1 = _0_5_isSet ? _0_5 : _0_0.declaration;
  	          hasContent = type$.MixinRule_2._as(t1).get$hasContent();
  	          t1 = hasContent;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.UnsupportedError$("Unknown callable type " + mixin.toString$0(0) + "."));
  	      }
  	      return t1 ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A.mixinClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassMixin", new A.mixinClass__closure()));
  	      A.JSClassExtension_injectSuperclass(t1._as(new A.SassMixin0(A.BuiltInCallable$function0("f", "", new A.mixinClass__closure0(), null), null).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.mixinClass__closure.prototype = {
  	    call$1($self) {
  	      A.jsThrow(new self.Error("It is not possible to construct a SassMixin through the JavaScript API"));
  	    },
  	    $signature: 537
  	  };
  	  A.mixinClass__closure0.prototype = {
  	    call$1(_) {
  	      return B.C__SassNull0;
  	    },
  	    $signature: 3
  	  };
  	  A.SassMixin0.prototype = {
  	    accept$1$1(visitor) {
  	      var t1, t2;
  	      if (!visitor._serialize0$_inspect)
  	        A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = visitor._serialize0$_buffer;
  	      t1.write$1(0, "get-mixin(");
  	      t2 = this.callable;
  	      visitor._serialize0$_visitQuotedString$1(t2.get$name(t2));
  	      t1.writeCharCode$1(41);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertMixin$1($name) {
  	      return this;
  	    },
  	    assertCompileContext$1(compileContext) {
  	      var t1 = this._mixin0$_compileContext;
  	      if (t1 != null)
  	        t1 = t1 !== compileContext;
  	      else
  	        t1 = false;
  	      if (t1)
  	        throw A.wrapException(A.SassScriptException$0(this.toString$0(0) + " does not belong to current compilation.", null));
  	      return this;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassMixin0 && this.callable.$eq(0, other.callable);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.callable;
  	      return t1.get$hashCode(t1);
  	    }
  	  };
  	  A.MixinRule0.prototype = {
  	    get$hasContent() {
  	      var result, _this = this,
  	        value = _this._mixin_rule$__MixinRule_hasContent_FI;
  	      if (value === $) {
  	        result = J.$eq$(B.C__HasContentVisitor0.visitChildren$1(_this.children), true);
  	        _this._mixin_rule$__MixinRule_hasContent_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._mixin_rule$__MixinRule_hasContent_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitMixinRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = "@mixin " + this.name,
  	        t2 = this.parameters;
  	      if (!(t2.parameters.length === 0 && t2.restParameter == null))
  	        t1 += "(" + t2.toString$0(0) + ")";
  	      t1 += " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    }
  	  };
  	  A._HasContentVisitor0.prototype = {
  	    visitContentRule$1(_, _0) {
  	      return true;
  	    },
  	    $isStatementVisitor: 1
  	  };
  	  A.__HasContentVisitor_Object_StatementSearchVisitor0.prototype = {};
  	  A.ExtendMode0.prototype = {
  	    _enumToString$0() {
  	      return "ExtendMode." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.JSModule0.prototype = {};
  	  A.JSModuleRequire0.prototype = {};
  	  A.MultiSpan0.prototype = {
  	    get$start(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$start(t1);
  	    },
  	    get$end(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$end(t1);
  	    },
  	    get$text() {
  	      return this._multi_span0$_primary.get$text();
  	    },
  	    get$context(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$context(t1);
  	    },
  	    get$file(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$file(t1);
  	    },
  	    get$length(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$length(t1);
  	    },
  	    get$sourceUrl(_) {
  	      var t1 = this._multi_span0$_primary;
  	      return t1.get$sourceUrl(t1);
  	    },
  	    compareTo$1(_, other) {
  	      return this._multi_span0$_primary.compareTo$1(0, other);
  	    },
  	    toString$0(_) {
  	      return this._multi_span0$_primary.toString$0(0);
  	    },
  	    expand$1(_, other) {
  	      return new A.MultiSpan0(this._multi_span0$_primary.expand$1(0, other), this.primaryLabel, this.secondarySpans);
  	    },
  	    highlight$1$color(color) {
  	      return A.Highlighter$multiple(this._multi_span0$_primary, this.primaryLabel, this.secondarySpans, color === true, null, null).highlight$0();
  	    },
  	    message$2$color(_, message, color) {
  	      var t1 = J.$eq$(color, true) || typeof color == "string",
  	        t2 = typeof color == "string" ? color : null;
  	      return A.SourceSpanExtension_messageMultiple(this._multi_span0$_primary, message, this.primaryLabel, this.secondarySpans, t1, t2, null);
  	    },
  	    message$1(_, message) {
  	      return this.message$2$color(0, message, null);
  	    },
  	    $isComparable: 1,
  	    $isFileSpan: 1,
  	    $isSourceSpan: 1,
  	    $isSourceSpanWithContext: 1
  	  };
  	  A.SupportsNegation0.prototype = {
  	    toInterpolation$0() {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = this.span,
  	        t4 = this.condition,
  	        t5 = A.SpanExtensions_before(t3, t4.get$span(t4));
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, null);
  	      t1._contents += t5;
  	      t2.addInterpolation$1(t4.toInterpolation$0());
  	      t4 = A.SpanExtensions_after(t3, t4.get$span(t4));
  	      t4 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t4.file._decodedChars, t4._file$_start, t4._end), 0, null);
  	      t1._contents += t4;
  	      return t2.interpolation$1(t3);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsNegation0(this.condition, span);
  	    },
  	    toString$0(_) {
  	      var t1 = this.condition;
  	      if (t1 instanceof A.SupportsNegation0 || t1 instanceof A.SupportsOperation0)
  	        return "not (" + t1.toString$0(0) + ")";
  	      else
  	        return "not " + t1.toString$0(0);
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.NoOpImporter0.prototype = {
  	    canonicalize$1(_, url) {
  	      return null;
  	    },
  	    load$1(_, url) {
  	      return null;
  	    },
  	    toString$0(_) {
  	      return "(unknown)";
  	    }
  	  };
  	  A.NoSourceMapBuffer0.prototype = {
  	    get$length(_) {
  	      return this._no_source_map_buffer0$_buffer._contents.length;
  	    },
  	    forSpan$1$2(span, callback) {
  	      return callback.call$0();
  	    },
  	    forSpan$2(span, callback) {
  	      return this.forSpan$1$2(span, callback, type$.dynamic);
  	    },
  	    write$1(_, object) {
  	      var t1 = this._no_source_map_buffer0$_buffer,
  	        t2 = A.S(object);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = this._no_source_map_buffer0$_buffer,
  	        t2 = A.Primitives_stringFromCharCode(charCode);
  	      t1._contents += t2;
  	      return null;
  	    },
  	    toString$0(_) {
  	      var t1 = this._no_source_map_buffer0$_buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    buildSourceMap$1$prefix(prefix) {
  	      return A.throwExpression(A.UnsupportedError$(string$.NoSour));
  	    }
  	  };
  	  A._FakeAstNode0.prototype = {
  	    get$span(_) {
  	      return this._node0$_callback.call$0();
  	    },
  	    $isAstNode0: 1
  	  };
  	  A.CssNode0.prototype = {
  	    toString$0(_) {
  	      var _null = null;
  	      return A.serialize0(this, true, _null, true, _null, _null, false, _null, true)._0;
  	    },
  	    $isAstNode0: 1
  	  };
  	  A.CssParentNode0.prototype = {};
  	  A._IsInvisibleVisitor1.prototype = {
  	    visitCssAtRule$1(rule) {
  	      return false;
  	    },
  	    visitCssComment$1(comment) {
  	      return this.includeComments && comment.text.charCodeAt(2) !== 33;
  	    },
  	    visitCssStyleRule$1(rule) {
  	      var t1 = rule._style_rule0$_selector._box0$_inner;
  	      return (this.includeBogus ? t1.value.accept$1(B._IsInvisibleVisitor_true0) : t1.value.accept$1(B._IsInvisibleVisitor_false0)) || this.super$EveryCssVisitor$visitCssStyleRule0(rule);
  	    }
  	  };
  	  A.__IsInvisibleVisitor_Object_EveryCssVisitor0.prototype = {};
  	  A.ModifiableCssNode0.prototype = {
  	    get$hasFollowingSibling() {
  	      var t2,
  	        t1 = this._node$_parent;
  	      if (t1 == null)
  	        t1 = null;
  	      else {
  	        t1 = t1.children;
  	        t2 = this._node$_indexInParent;
  	        t2.toString;
  	        t1 = A.SubListIterable$(t1, t2 + 1, null, t1.$ti._eval$1("ListBase.E")).any$1(0, new A.ModifiableCssNode_hasFollowingSibling_closure0());
  	      }
  	      return t1 === true;
  	    },
  	    get$isGroupEnd() {
  	      return this.isGroupEnd;
  	    }
  	  };
  	  A.ModifiableCssNode_hasFollowingSibling_closure0.prototype = {
  	    call$1(sibling) {
  	      return !sibling.accept$1(B._IsInvisibleVisitor_true_false0);
  	    },
  	    $signature: 538
  	  };
  	  A.ModifiableCssParentNode0.prototype = {
  	    get$isChildless() {
  	      return false;
  	    },
  	    addChild$1(child) {
  	      var t1;
  	      child._node$_parent = this;
  	      t1 = this._node$_children;
  	      child._node$_indexInParent = t1.length;
  	      t1.push(child);
  	    },
  	    clearChildren$0() {
  	      var t1, t2, _i, child;
  	      for (t1 = this._node$_children, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        child = t1[_i];
  	        child._node$_indexInParent = child._node$_parent = null;
  	      }
  	      B.JSArray_methods.clear$0(t1);
  	    },
  	    $isCssParentNode0: 1,
  	    get$children(receiver) {
  	      return this.children;
  	    }
  	  };
  	  A.NodePackageImporter0.prototype = {
  	    isNonCanonicalScheme$1(scheme) {
  	      return scheme === "pkg";
  	    },
  	    canonicalize$1(_, url) {
  	      var packageName, jsonPath, jsonString, packageManifest, e, t1, t2, t3, t4, baseDirectory, parts, t5, $name, subpath, packageRoot, _1_0, rootPath, subpathInRoot, _this = this, _null = null;
  	      if (url.get$scheme() === "file")
  	        return $.$get$FilesystemImporter_cwd0().canonicalize$1(0, url);
  	      if (url.get$scheme() !== "pkg")
  	        return _null;
  	      if (url.get$hasAuthority())
  	        throw A.wrapException(string$.A_pkg_h);
  	      else {
  	        t1 = $.$get$url();
  	        t2 = t1.style;
  	        if (t2.rootLength$1(url.get$path(url)) > 0)
  	          throw A.wrapException("A pkg: URL's path must not begin with /.");
  	        else if (url.get$path(url).length === 0)
  	          throw A.wrapException("A pkg: URL must not have an empty path.");
  	        else if (url.get$hasQuery() || url.get$hasFragment())
  	          throw A.wrapException(string$.A_pkg_q);
  	      }
  	      t3 = A.canonicalizeContext0();
  	      t3._canonicalize_context$_wasContainingUrlAccessed = true;
  	      t3 = t3._canonicalize_context$_containingUrl;
  	      if ((t3 == null ? _null : t3.get$scheme()) === "file") {
  	        t3 = A.canonicalizeContext0();
  	        t3._canonicalize_context$_wasContainingUrlAccessed = true;
  	        t3 = t3._canonicalize_context$_containingUrl;
  	        t3.toString;
  	        t4 = $.$get$context();
  	        baseDirectory = t4.dirname$1(t4.style.pathFromUri$1(A._parseUri(t3)));
  	      } else {
  	        t3 = _this._node_package$__NodePackageImporter__entryPointDirectory_F;
  	        t3 === $ && A.throwUnnamedLateFieldNI();
  	        baseDirectory = t3;
  	      }
  	      packageName = null;
  	      parts = t1.split$1(0, url.get$path(url));
  	      t3 = B.JSArray_methods.removeAt$1(parts, 0);
  	      t4 = $.$get$context();
  	      t5 = t4.style;
  	      $name = t5.pathFromUri$1(A._parseUri(t3));
  	      if (B.JSString_methods.startsWith$1($name, "@"))
  	        $name = parts.length !== 0 ? t1.join$2(0, $name, B.JSArray_methods.removeAt$1(parts, 0)) : $name;
  	      subpath = parts.length !== 0 ? t5.pathFromUri$1(A._parseUri(t1.joinAll$1(parts))) : _null;
  	      packageName = $name;
  	      t1 = true;
  	      if (!J.startsWith$1$s(packageName, "."))
  	        if (!J.contains$1$asx(packageName, "\\"))
  	          if (!J.contains$1$asx(packageName, "%"))
  	            t1 = J.startsWith$1$s(packageName, "@") && !J.contains$1$asx(packageName, t2.get$separator(t2));
  	      if (t1)
  	        return _null;
  	      packageRoot = _this._node_package$_resolvePackageRoot$2(packageName, baseDirectory);
  	      if (packageRoot == null)
  	        return _null;
  	      jsonPath = A.join(packageRoot, "package.json", _null);
  	      jsonString = A.readFile0(jsonPath);
  	      packageManifest = null;
  	      try {
  	        packageManifest = type$.Map_String_dynamic._as(B.C_JsonCodec.decode$1(jsonString));
  	      } catch (exception) {
  	        e = A.unwrapException(exception);
  	        t1 = A.S(jsonPath);
  	        t2 = A.S(packageName);
  	        t3 = A.S(e);
  	        throw A.wrapException("Failed to parse " + t1 + ' for "pkg:' + t2 + '": ' + t3);
  	      }
  	      _1_0 = _this._node_package$_resolvePackageExports$4(packageRoot, subpath, packageManifest, packageName);
  	      if (_1_0 != null)
  	        if (B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_1_0, t5)._splitExtension$1(1)[1]))
  	          return t4.toUri$1(t4.canonicalize$1(0, _1_0));
  	        else {
  	          t1 = subpath == null ? "root" : subpath;
  	          throw A.wrapException("The export for '" + t1 + "' in '" + A.S(packageName) + "' resolved to '" + _1_0 + string$.x27x2c_whi);
  	        }
  	      if (subpath == null) {
  	        rootPath = _this._node_package$_resolvePackageRootValues$2(packageRoot, packageManifest);
  	        return rootPath != null ? t4.toUri$1(t4.canonicalize$1(0, rootPath)) : _null;
  	      }
  	      subpathInRoot = A.join(packageRoot, subpath, _null);
  	      return $.$get$FilesystemImporter_cwd0().canonicalize$1(0, t4.toUri$1(subpathInRoot));
  	    },
  	    load$1(_, url) {
  	      return $.$get$FilesystemImporter_cwd0().load$1(0, url);
  	    },
  	    _node_package$_resolvePackageRoot$2(packageName, baseDirectory) {
  	      var potentialPackage, t1;
  	      for (;;) {
  	        potentialPackage = A.join(baseDirectory, "node_modules", packageName);
  	        if (A.dirExists0(potentialPackage))
  	          return potentialPackage;
  	        t1 = $.$get$context();
  	        if (t1.split$1(0, baseDirectory).length === 1)
  	          return null;
  	        baseDirectory = t1.dirname$1(baseDirectory);
  	      }
  	    },
  	    _node_package$_resolvePackageRootValues$2(packageRoot, packageManifest) {
  	      var t1, sassValue, _1_0, styleValue, _null = null,
  	        _0_0 = packageManifest.$index(0, "sass");
  	      if (typeof _0_0 == "string") {
  	        t1 = B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_0_0, $.$get$url().style)._splitExtension$1(1)[1]);
  	        sassValue = _0_0;
  	      } else {
  	        sassValue = _null;
  	        t1 = false;
  	      }
  	      if (t1)
  	        return A.join(packageRoot, sassValue, _null);
  	      else {
  	        _1_0 = packageManifest.$index(0, "style");
  	        if (typeof _1_0 == "string") {
  	          t1 = B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(_1_0, $.$get$url().style)._splitExtension$1(1)[1]);
  	          styleValue = _1_0;
  	        } else {
  	          styleValue = _null;
  	          t1 = false;
  	        }
  	        if (t1)
  	          return A.join(packageRoot, styleValue, _null);
  	      }
  	      return A.resolveImportPath0(A.join(packageRoot, "index", _null));
  	    },
  	    _node_package$_resolvePackageExports$4(packageRoot, subpath, packageManifest, packageName) {
  	      var _0_0, _1_0, _this = this,
  	        exports$1 = packageManifest.$index(0, "exports");
  	      if (exports$1 == null)
  	        return null;
  	      _0_0 = _this._node_package$_nodePackageExportsResolve$5(packageRoot, _this._node_package$_exportsToCheck$1(subpath), exports$1, subpath, packageName);
  	      if (_0_0 != null)
  	        return _0_0;
  	      if (subpath != null && A.ParsedPath_ParsedPath$parse(subpath, $.$get$url().style)._splitExtension$1(1)[1].length !== 0)
  	        return null;
  	      _1_0 = _this._node_package$_nodePackageExportsResolve$5(packageRoot, _this._node_package$_exportsToCheck$2$addIndex(subpath, true), exports$1, subpath, packageName);
  	      if (_1_0 != null)
  	        return _1_0;
  	      return null;
  	    },
  	    _node_package$_nodePackageExportsResolve$5(packageRoot, subpathVariants, exports$1, subpath, packageName) {
  	      var t2, matches, _1_1, path,
  	        t1 = false;
  	      if (type$.Map_String_dynamic._is(exports$1)) {
  	        t2 = exports$1.get$keys(exports$1);
  	        if (t2.any$1(t2, new A.NodePackageImporter__nodePackageExportsResolve_closure3())) {
  	          t1 = exports$1.get$keys(exports$1);
  	          t1 = t1.any$1(t1, new A.NodePackageImporter__nodePackageExportsResolve_closure4());
  	        }
  	      }
  	      if (t1) {
  	        t1 = exports$1.get$keys(exports$1);
  	        throw A.wrapException("`exports` in " + packageName + string$.x20can_n + t1.map$1$1(t1, new A.NodePackageImporter__nodePackageExportsResolve_closure5(), type$.String).join$1(0, ",") + " in " + A.join(packageRoot, "package.json", null) + ".");
  	      }
  	      t1 = type$.NonNullsIterable_String;
  	      t1 = A.LinkedHashSet_LinkedHashSet$of(new A.NonNullsIterable(new A.MappedListIterable(subpathVariants, new A.NodePackageImporter__nodePackageExportsResolve_closure6(this, exports$1, packageRoot), A._arrayInstanceType(subpathVariants)._eval$1("MappedListIterable<1,String?>")), t1), t1._eval$1("Iterable.E"));
  	      matches = A.List_List$_of(t1, A._instanceType(t1)._precomputed1);
  	      $label0$1: {
  	        _1_1 = matches.length;
  	        if (_1_1 === 1) {
  	          path = matches[0];
  	          t1 = path;
  	          break $label0$1;
  	        }
  	        if (_1_1 <= 0) {
  	          t1 = null;
  	          break $label0$1;
  	        }
  	        t1 = subpath == null ? "root" : subpath;
  	        t1 = A.throwExpression(string$.Unable + t1 + " in " + packageName + " should be used. \n\nFound:\n" + B.JSArray_methods.join$1(matches, "\n"));
  	      }
  	      return t1;
  	    },
  	    _node_package$_compareExpansionKeys$2(keyA, keyB) {
  	      var t1 = B.JSString_methods.contains$1(keyA, "*"),
  	        baseLengthA = t1 ? B.JSString_methods.indexOf$1(keyA, "*") + 1 : keyA.length,
  	        t2 = B.JSString_methods.contains$1(keyB, "*"),
  	        baseLengthB = t2 ? B.JSString_methods.indexOf$1(keyB, "*") + 1 : keyB.length;
  	      if (baseLengthA > baseLengthB)
  	        return -1;
  	      if (baseLengthB > baseLengthA)
  	        return 1;
  	      if (!t1)
  	        return 1;
  	      if (!t2)
  	        return -1;
  	      t1 = keyA.length;
  	      t2 = keyB.length;
  	      if (t1 > t2)
  	        return -1;
  	      if (t2 > t1)
  	        return 1;
  	      return 0;
  	    },
  	    _node_package$_packageTargetResolve$4(subpath, exports$1, packageRoot, patternMatch) {
  	      var t2, string, path, map, key, value, _1_0, array, _2_0, _null = null,
  	        t1 = typeof exports$1 == "string";
  	      if (t1) {
  	        t2 = !B.JSString_methods.startsWith$1(exports$1, "./");
  	        string = exports$1;
  	      } else {
  	        string = _null;
  	        t2 = false;
  	      }
  	      if (t2)
  	        throw A.wrapException("Export '" + A.S(string) + string$.x27x20must + packageRoot + "'.");
  	      if (t1) {
  	        t2 = patternMatch != null;
  	        string = exports$1;
  	      } else {
  	        string = _null;
  	        t2 = false;
  	      }
  	      if (t2) {
  	        t1 = J.replaceFirst$2$s(string, "*", patternMatch);
  	        t2 = $.$get$context();
  	        path = t2.normalize$1(A.join(packageRoot, t2.style.pathFromUri$1(A._parseUri(t1)), _null));
  	        return A.fileExists0(path) ? path : _null;
  	      }
  	      string = t1 ? exports$1 : _null;
  	      if (t1) {
  	        t1 = $.$get$context();
  	        string.toString;
  	        return A.join(packageRoot, t1.style.pathFromUri$1(A._parseUri(string)), _null);
  	      }
  	      t1 = type$.Map_String_dynamic._is(exports$1);
  	      map = t1 ? exports$1 : _null;
  	      if (t1) {
  	        for (t1 = A.MapExtensions_get_pairs(map, type$.String, type$.dynamic), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	          t2 = t1.get$current(t1);
  	          key = t2._0;
  	          value = t2._1;
  	          if (!B.Set_8229z.contains$1(0, key))
  	            continue;
  	          if (value == null)
  	            continue;
  	          _1_0 = this._node_package$_packageTargetResolve$4(subpath, value, packageRoot, patternMatch);
  	          if (_1_0 != null)
  	            return _1_0;
  	        }
  	        return _null;
  	      }
  	      t1 = type$.List_dynamic._is(exports$1);
  	      if (t1 && J.get$length$asx(exports$1) <= 0)
  	        return _null;
  	      array = t1 ? exports$1 : _null;
  	      if (t1) {
  	        for (t1 = J.get$iterator$ax(array); t1.moveNext$0();) {
  	          value = t1.get$current(t1);
  	          if (value == null)
  	            continue;
  	          _2_0 = this._node_package$_packageTargetResolve$4(subpath, value, packageRoot, patternMatch);
  	          if (_2_0 != null)
  	            return _2_0;
  	        }
  	        return _null;
  	      }
  	      throw A.wrapException("Invalid 'exports' value " + A.S(exports$1) + " in " + A.join(packageRoot, "package.json", _null) + ".");
  	    },
  	    _node_package$_packageTargetResolve$3(subpath, exports$1, packageRoot) {
  	      return this._node_package$_packageTargetResolve$4(subpath, exports$1, packageRoot, null);
  	    },
  	    _node_package$_getMainExport$1(exports$1) {
  	      var t1, t2, t3, map, _0_4, t4, $export;
  	      $label0$0: {
  	        t1 = null;
  	        if (typeof exports$1 == "string") {
  	          t1 = exports$1;
  	          break $label0$0;
  	        }
  	        if (type$.List_String._is(exports$1)) {
  	          t1 = exports$1;
  	          break $label0$0;
  	        }
  	        t2 = type$.Map_String_dynamic._is(exports$1);
  	        if (t2) {
  	          t3 = exports$1.get$keys(exports$1);
  	          t3 = !t3.any$1(t3, new A.NodePackageImporter__getMainExport_closure0());
  	          map = exports$1;
  	        } else {
  	          map = t1;
  	          t3 = false;
  	        }
  	        if (t3) {
  	          t1 = map;
  	          break $label0$0;
  	        }
  	        t3 = false;
  	        if (t2) {
  	          _0_4 = exports$1.$index(0, ".");
  	          if (_0_4 == null)
  	            t4 = exports$1.containsKey$1(".");
  	          else
  	            t4 = true;
  	          if (t4)
  	            t3 = _0_4 != null;
  	        } else
  	          _0_4 = null;
  	        if (t3) {
  	          $export = t2 ? _0_4 : exports$1.$index(0, ".");
  	          t1 = $export;
  	          break $label0$0;
  	        }
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _node_package$_exportsToCheck$2$addIndex(subpath, addIndex) {
  	      var basename, dirname, t3, t4, _i, path,
  	        t1 = type$.JSArray_String,
  	        paths = A._setArrayType([], t1),
  	        t2 = subpath == null;
  	      if (t2 && addIndex)
  	        subpath = "index";
  	      else if (!t2 && addIndex)
  	        subpath = A.join(subpath, "index", null);
  	      if (subpath == null)
  	        return A._setArrayType([null], type$.JSArray_nullable_String);
  	      if (B.Set_FTDN4.contains$1(0, A.ParsedPath_ParsedPath$parse(subpath, $.$get$url().style)._splitExtension$1(1)[1]))
  	        paths.push(subpath);
  	      else
  	        B.JSArray_methods.addAll$1(paths, A._setArrayType([subpath, subpath + ".scss", subpath + ".sass", subpath + ".css"], t1));
  	      t1 = $.$get$context();
  	      t2 = t1.style;
  	      basename = A.ParsedPath_ParsedPath$parse(subpath, t2).get$basename();
  	      dirname = t1.dirname$1(subpath);
  	      if (B.JSString_methods.startsWith$1(basename, "_"))
  	        return paths;
  	      t1 = A.List_List$_of(paths, type$.nullable_String);
  	      for (t3 = paths.length, t4 = dirname === ".", _i = 0; _i < paths.length; paths.length === t3 || (0, A.throwConcurrentModificationError)(paths), ++_i) {
  	        path = paths[_i];
  	        if (t4)
  	          t1.push("_" + A.ParsedPath_ParsedPath$parse(path, t2).get$basename());
  	        else
  	          t1.push(A.join(dirname, "_" + A.ParsedPath_ParsedPath$parse(path, t2).get$basename(), null));
  	      }
  	      return t1;
  	    },
  	    _node_package$_exportsToCheck$1(subpath) {
  	      return this._node_package$_exportsToCheck$2$addIndex(subpath, false);
  	    }
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure3.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure4.prototype = {
  	    call$1(key) {
  	      return !B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure5.prototype = {
  	    call$1(key) {
  	      return '"' + key + '"';
  	    },
  	    $signature: 6
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve_closure6.prototype = {
  	    call$1(variant) {
  	      var t1, t2, matchKey, t3, t4, t5, _i, expansionKey, _0_0, t6, patternBase, patternTrailer, t7, target, _this = this, _null = null;
  	      if (variant == null) {
  	        t1 = _this.$this;
  	        return A.NullableExtension_andThen(t1._node_package$_getMainExport$1(_this.exports), new A.NodePackageImporter__nodePackageExportsResolve__closure1(t1, variant, _this.packageRoot));
  	      } else {
  	        t1 = _this.exports;
  	        if (type$.Map_String_dynamic._is(t1)) {
  	          t2 = t1.get$keys(t1);
  	          t2 = t2.every$1(t2, new A.NodePackageImporter__nodePackageExportsResolve__closure2());
  	        } else
  	          t2 = true;
  	        if (t2)
  	          return _null;
  	      }
  	      matchKey = "./" + $.$get$context().toUri$1(variant).toString$0(0);
  	      if (t1.containsKey$1(matchKey) && t1.$index(0, matchKey) != null && !B.JSString_methods.contains$1(matchKey, "*")) {
  	        t1 = t1.$index(0, matchKey);
  	        if (t1 == null)
  	          t1 = A._asObject(t1);
  	        return _this.$this._node_package$_packageTargetResolve$3(matchKey, t1, _this.packageRoot);
  	      }
  	      t2 = A._setArrayType([], type$.JSArray_String);
  	      for (t3 = t1.get$keys(t1), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	        t4 = t3.get$current(t3);
  	        if (B.JSString_methods.allMatches$1("*", t4).get$length(0) === 1)
  	          t2.push(t4);
  	      }
  	      t3 = _this.$this;
  	      B.JSArray_methods.sort$1(t2, t3.get$_node_package$_compareExpansionKeys());
  	      for (t4 = t2.length, t5 = matchKey.length, _i = 0; _i < t2.length; t2.length === t4 || (0, A.throwConcurrentModificationError)(t2), ++_i) {
  	        expansionKey = t2[_i];
  	        _0_0 = expansionKey.split("*");
  	        t6 = _0_0.length === 2;
  	        if (t6) {
  	          patternBase = _0_0[0];
  	          patternTrailer = _0_0[1];
  	        } else {
  	          patternTrailer = _null;
  	          patternBase = patternTrailer;
  	        }
  	        if (!t6)
  	          throw A.wrapException(A.StateError$("Pattern matching error"));
  	        if (!B.JSString_methods.startsWith$1(matchKey, patternBase))
  	          continue;
  	        if (matchKey === patternBase)
  	          continue;
  	        t6 = patternTrailer.length;
  	        if (t6 !== 0)
  	          t7 = B.JSString_methods.endsWith$1(matchKey, patternTrailer) && t5 >= expansionKey.length;
  	        else
  	          t7 = true;
  	        if (t7) {
  	          target = t1.$index(0, expansionKey);
  	          if (target == null)
  	            continue;
  	          return t3._node_package$_packageTargetResolve$4(variant, target, _this.packageRoot, B.JSString_methods.substring$2(matchKey, patternBase.length, t5 - t6));
  	        }
  	      }
  	      return _null;
  	    },
  	    $signature: 146
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve__closure1.prototype = {
  	    call$1(mainExport) {
  	      return this.$this._node_package$_packageTargetResolve$3(this.variant, mainExport, this.packageRoot);
  	    },
  	    $signature: 147
  	  };
  	  A.NodePackageImporter__nodePackageExportsResolve__closure2.prototype = {
  	    call$1(key) {
  	      return !B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NodePackageImporter__getMainExport_closure0.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, ".");
  	    },
  	    $signature: 4
  	  };
  	  A.NullExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitNullExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "null";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.legacyNullClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.types.Null", new A.legacyNullClass__closure()));
  	      jsClass.NULL = B.C__SassNull0;
  	      A.JSClassExtension_injectSuperclass(t1._as(B.C__SassNull0.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.legacyNullClass__closure.prototype = {
  	    call$2(_, __) {
  	      throw A.wrapException("new sass.types.Null() isn't allowed. Use sass.types.Null.NULL instead.");
  	    },
  	    call$1(_) {
  	      return this.call$2(_, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 224
  	  };
  	  A._SassNull0.prototype = {
  	    get$isTruthy() {
  	      return false;
  	    },
  	    get$isBlank() {
  	      return true;
  	    },
  	    get$realNull() {
  	      return null;
  	    },
  	    accept$1$1(visitor) {
  	      if (visitor._serialize0$_inspect)
  	        visitor._serialize0$_buffer.write$1(0, "null");
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unaryNot$0() {
  	      return B.SassBoolean_true0;
  	    }
  	  };
  	  A.NumberExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitNumberExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue0(A.SassNumber_SassNumber0(this.value, this.unit), true, true);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.numberClass_closure.prototype = {
  	    call$0() {
  	      var t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassNumber", new A.numberClass__closure())),
  	        t2 = type$.String,
  	        t3 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["value", new A.numberClass__closure0(), "isInt", new A.numberClass__closure1(), "asInt", new A.numberClass__closure2(), "numeratorUnits", new A.numberClass__closure3(), "denominatorUnits", new A.numberClass__closure4(), "hasUnits", new A.numberClass__closure5()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["assertInt", new A.numberClass__closure6(), "assertInRange", new A.numberClass__closure7(), "assertNoUnits", new A.numberClass__closure8(), "assertUnit", new A.numberClass__closure9(), "hasUnit", new A.numberClass__closure10(), "compatibleWithUnit", new A.numberClass__closure11(), "convert", new A.numberClass__closure12(), "convertToMatch", new A.numberClass__closure13(), "convertValue", new A.numberClass__closure14(), "convertValueToMatch", new A.numberClass__closure15(), "coerce", new A.numberClass__closure16(), "coerceToMatch", new A.numberClass__closure17(), "coerceValue", new A.numberClass__closure18(), "coerceValueToMatch", new A.numberClass__closure19()], t2, t3).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      A.JSClassExtension_injectSuperclass(t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(A.SassNumber_SassNumber0(0, null).constructor))).constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.numberClass__closure.prototype = {
  	    call$3($self, value, unitOrOptions) {
  	      var t1, t2, _null = null;
  	      if (typeof unitOrOptions == "string")
  	        return A.SassNumber_SassNumber0(value, unitOrOptions);
  	      type$.nullable__ConstructorOptions_2._as(unitOrOptions);
  	      t1 = unitOrOptions == null;
  	      if (t1)
  	        t2 = _null;
  	      else {
  	        t2 = A.NullableExtension_andThen0(J.get$numeratorUnits$x(unitOrOptions), A.immutable__jsToDartList$closure());
  	        t2 = t2 == null ? _null : J.cast$1$0$ax(t2, type$.String);
  	      }
  	      if (t1)
  	        t1 = _null;
  	      else {
  	        t1 = A.NullableExtension_andThen0(J.get$denominatorUnits$x(unitOrOptions), A.immutable__jsToDartList$closure());
  	        t1 = t1 == null ? _null : J.cast$1$0$ax(t1, type$.String);
  	      }
  	      return A.SassNumber_SassNumber$withUnits0(value, t1, t2);
  	    },
  	    call$2($self, value) {
  	      return this.call$3($self, value, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 539
  	  };
  	  A.numberClass__closure0.prototype = {
  	    call$1($self) {
  	      return $self._number1$_value;
  	    },
  	    $signature: 100
  	  };
  	  A.numberClass__closure1.prototype = {
  	    call$1($self) {
  	      return A.fuzzyIsInt0($self._number1$_value);
  	    },
  	    $signature: 254
  	  };
  	  A.numberClass__closure2.prototype = {
  	    call$1($self) {
  	      return A.fuzzyAsInt0($self._number1$_value);
  	    },
  	    $signature: 541
  	  };
  	  A.numberClass__closure3.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.get$numeratorUnits($self));
  	    },
  	    $signature: 255
  	  };
  	  A.numberClass__closure4.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.get$denominatorUnits($self));
  	    },
  	    $signature: 255
  	  };
  	  A.numberClass__closure5.prototype = {
  	    call$1($self) {
  	      return $self.get$hasUnits();
  	    },
  	    $signature: 254
  	  };
  	  A.numberClass__closure6.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertInt$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 543
  	  };
  	  A.numberClass__closure7.prototype = {
  	    call$4($self, min, max, $name) {
  	      return $self.valueInRange$3(min, max, $name);
  	    },
  	    call$3($self, min, max) {
  	      return this.call$4($self, min, max, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 544
  	  };
  	  A.numberClass__closure8.prototype = {
  	    call$2($self, $name) {
  	      $self.assertNoUnits$1($name);
  	      return $self;
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 545
  	  };
  	  A.numberClass__closure9.prototype = {
  	    call$3($self, unit, $name) {
  	      $self.assertUnit$2(unit, $name);
  	      return $self;
  	    },
  	    call$2($self, unit) {
  	      return this.call$3($self, unit, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 546
  	  };
  	  A.numberClass__closure10.prototype = {
  	    call$2($self, unit) {
  	      return $self.hasUnit$1(unit);
  	    },
  	    $signature: 256
  	  };
  	  A.numberClass__closure11.prototype = {
  	    call$2($self, unit) {
  	      return $self.get$hasUnits() && $self.compatibleWithUnit$1(unit);
  	    },
  	    $signature: 256
  	  };
  	  A.numberClass__closure12.prototype = {
  	    call$4($self, numeratorUnits, denominatorUnits, $name) {
  	      var t1 = self.immutable.isOrderedMap(numeratorUnits) ? J.toArray$0$x(type$.ImmutableList._as(numeratorUnits)) : type$.List_dynamic._as(numeratorUnits),
  	        t2 = type$.String;
  	      t1 = J.cast$1$0$ax(t1, t2);
  	      t2 = J.cast$1$0$ax(self.immutable.isOrderedMap(denominatorUnits) ? J.toArray$0$x(type$.ImmutableList._as(denominatorUnits)) : type$.List_dynamic._as(denominatorUnits), t2);
  	      return A.SassNumber_SassNumber$withUnits0($self._number1$_coerceOrConvertValue$4$coerceUnitless$name(t1, t2, false, $name), t2, t1);
  	    },
  	    call$3($self, numeratorUnits, denominatorUnits) {
  	      return this.call$4($self, numeratorUnits, denominatorUnits, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 257
  	  };
  	  A.numberClass__closure13.prototype = {
  	    call$4($self, other, $name, otherName) {
  	      return $self.convertToMatch$3(other, $name, otherName);
  	    },
  	    call$2($self, other) {
  	      return this.call$4($self, other, null, null);
  	    },
  	    call$3($self, other, $name) {
  	      return this.call$4($self, other, $name, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 258
  	  };
  	  A.numberClass__closure14.prototype = {
  	    call$4($self, numeratorUnits, denominatorUnits, $name) {
  	      var t1 = self.immutable.isOrderedMap(numeratorUnits) ? J.toArray$0$x(type$.ImmutableList._as(numeratorUnits)) : type$.List_dynamic._as(numeratorUnits),
  	        t2 = type$.String;
  	      t1 = J.cast$1$0$ax(t1, t2);
  	      return $self._number1$_coerceOrConvertValue$4$coerceUnitless$name(t1, J.cast$1$0$ax(self.immutable.isOrderedMap(denominatorUnits) ? J.toArray$0$x(type$.ImmutableList._as(denominatorUnits)) : type$.List_dynamic._as(denominatorUnits), t2), false, $name);
  	    },
  	    call$3($self, numeratorUnits, denominatorUnits) {
  	      return this.call$4($self, numeratorUnits, denominatorUnits, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 259
  	  };
  	  A.numberClass__closure15.prototype = {
  	    call$4($self, other, $name, otherName) {
  	      return $self.convertValueToMatch$3(other, $name, otherName);
  	    },
  	    call$2($self, other) {
  	      return this.call$4($self, other, null, null);
  	    },
  	    call$3($self, other, $name) {
  	      return this.call$4($self, other, $name, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 260
  	  };
  	  A.numberClass__closure16.prototype = {
  	    call$4($self, numeratorUnits, denominatorUnits, $name) {
  	      var t1 = self.immutable.isOrderedMap(numeratorUnits) ? J.toArray$0$x(type$.ImmutableList._as(numeratorUnits)) : type$.List_dynamic._as(numeratorUnits),
  	        t2 = type$.String;
  	      t1 = J.cast$1$0$ax(t1, t2);
  	      return $self.coerce$3(t1, J.cast$1$0$ax(self.immutable.isOrderedMap(denominatorUnits) ? J.toArray$0$x(type$.ImmutableList._as(denominatorUnits)) : type$.List_dynamic._as(denominatorUnits), t2), $name);
  	    },
  	    call$3($self, numeratorUnits, denominatorUnits) {
  	      return this.call$4($self, numeratorUnits, denominatorUnits, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 257
  	  };
  	  A.numberClass__closure17.prototype = {
  	    call$4($self, other, $name, otherName) {
  	      return $self.coerceToMatch$3(other, $name, otherName);
  	    },
  	    call$2($self, other) {
  	      return this.call$4($self, other, null, null);
  	    },
  	    call$3($self, other, $name) {
  	      return this.call$4($self, other, $name, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 258
  	  };
  	  A.numberClass__closure18.prototype = {
  	    call$4($self, numeratorUnits, denominatorUnits, $name) {
  	      var t1 = self.immutable.isOrderedMap(numeratorUnits) ? J.toArray$0$x(type$.ImmutableList._as(numeratorUnits)) : type$.List_dynamic._as(numeratorUnits),
  	        t2 = type$.String;
  	      t1 = J.cast$1$0$ax(t1, t2);
  	      return $self.coerceValue$3(t1, J.cast$1$0$ax(self.immutable.isOrderedMap(denominatorUnits) ? J.toArray$0$x(type$.ImmutableList._as(denominatorUnits)) : type$.List_dynamic._as(denominatorUnits), t2), $name);
  	    },
  	    call$3($self, numeratorUnits, denominatorUnits) {
  	      return this.call$4($self, numeratorUnits, denominatorUnits, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 259
  	  };
  	  A.numberClass__closure19.prototype = {
  	    call$4($self, other, $name, otherName) {
  	      return $self.coerceValueToMatch$3(other, $name, otherName);
  	    },
  	    call$2($self, other) {
  	      return this.call$4($self, other, null, null);
  	    },
  	    call$3($self, other, $name) {
  	      return this.call$4($self, other, $name, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 260
  	  };
  	  A._ConstructorOptions0.prototype = {};
  	  A._NodeSassNumber.prototype = {};
  	  A.legacyNumberClass_closure.prototype = {
  	    call$4(thisArg, value, unit, dartValue) {
  	      var t1;
  	      if (dartValue == null) {
  	        value.toString;
  	        t1 = A._parseNumber(value, unit);
  	      } else
  	        t1 = dartValue;
  	      J.set$dartValue$x(thisArg, t1);
  	    },
  	    call$2(thisArg, value) {
  	      return this.call$4(thisArg, value, null, null);
  	    },
  	    call$3(thisArg, value, unit) {
  	      return this.call$4(thisArg, value, unit, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 552
  	  };
  	  A.legacyNumberClass_closure0.prototype = {
  	    call$1(thisArg) {
  	      return J.get$dartValue$x(thisArg)._number1$_value;
  	    },
  	    $signature: 553
  	  };
  	  A.legacyNumberClass_closure1.prototype = {
  	    call$2(thisArg, value) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = J.get$numeratorUnits$x(t1.get$dartValue(thisArg));
  	      t1.set$dartValue(thisArg, A.SassNumber_SassNumber$withUnits0(value, J.get$denominatorUnits$x(t1.get$dartValue(thisArg)), t2));
  	    },
  	    $signature: 554
  	  };
  	  A.legacyNumberClass_closure2.prototype = {
  	    call$1(thisArg) {
  	      var t1 = J.getInterceptor$x(thisArg),
  	        t2 = B.JSArray_methods.join$1(J.get$numeratorUnits$x(t1.get$dartValue(thisArg)), "*"),
  	        t3 = J.get$denominatorUnits$x(t1.get$dartValue(thisArg)).length === 0 ? "" : "/";
  	      return t2 + t3 + B.JSArray_methods.join$1(J.get$denominatorUnits$x(t1.get$dartValue(thisArg)), "*");
  	    },
  	    $signature: 555
  	  };
  	  A.legacyNumberClass_closure3.prototype = {
  	    call$2(thisArg, unit) {
  	      var t1 = J.getInterceptor$x(thisArg);
  	      t1.set$dartValue(thisArg, A._parseNumber(t1.get$dartValue(thisArg)._number1$_value, unit));
  	    },
  	    $signature: 556
  	  };
  	  A._parseNumber_closure.prototype = {
  	    call$1(unit) {
  	      return unit.length === 0;
  	    },
  	    $signature: 4
  	  };
  	  A._parseNumber_closure0.prototype = {
  	    call$1(unit) {
  	      return unit.length === 0;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber0.prototype = {
  	    get$unitString() {
  	      var _this = this;
  	      return _this.get$hasUnits() ? _this._number1$_unitString$2(_this.get$numeratorUnits(_this), _this.get$denominatorUnits(_this)) : "";
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitNumber$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    withoutSlash$0() {
  	      var _this = this;
  	      return _this.asSlash == null ? _this : _this.withValue$1(_this._number1$_value);
  	    },
  	    assertNumber$1($name) {
  	      return this;
  	    },
  	    assertNumber$0() {
  	      return this.assertNumber$1(null);
  	    },
  	    assertInt$1($name) {
  	      var _0_0 = A.fuzzyAsInt0(this._number1$_value);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0(this.toString$0(0) + " is not an int.", $name));
  	    },
  	    assertInt$0() {
  	      return this.assertInt$1(null);
  	    },
  	    valueInRange$3(min, max, $name) {
  	      var _this = this,
  	        _0_0 = A.fuzzyCheckRange0(_this._number1$_value, min, max);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + _this.toString$0(0) + " to be within " + A.S(min) + _this.get$unitString() + " and " + A.S(max) + _this.get$unitString() + ".", $name));
  	    },
  	    valueInRangeWithUnit$4(min, max, $name, unit) {
  	      var _0_0 = A.fuzzyCheckRange0(this._number1$_value, min, max);
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + " to be within " + min + unit + " and " + max + unit + ".", $name));
  	    },
  	    hasCompatibleUnits$1(other) {
  	      var _this = this;
  	      if (_this.get$numeratorUnits(_this).length !== other.get$numeratorUnits(other).length)
  	        return false;
  	      if (_this.get$denominatorUnits(_this).length !== other.get$denominatorUnits(other).length)
  	        return false;
  	      return _this.isComparableTo$1(other);
  	    },
  	    assertUnit$2(unit, $name) {
  	      if (this.hasUnit$1(unit))
  	        return;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + ' to have unit "' + unit + '".', $name));
  	    },
  	    assertNoUnits$1($name) {
  	      if (!this.get$hasUnits())
  	        return;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + " to have no units.", $name));
  	    },
  	    assertNoUnits$0() {
  	      return this.assertNoUnits$1(null);
  	    },
  	    convertToMatch$3(other, $name, otherName) {
  	      var t1 = this.convertValueToMatch$3(other, $name, otherName),
  	        t2 = other.get$numeratorUnits(other);
  	      return A.SassNumber_SassNumber$withUnits0(t1, other.get$denominatorUnits(other), t2);
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      return this._number1$_coerceOrConvertValue$6$coerceUnitless$name$other$otherName(other.get$numeratorUnits(other), other.get$denominatorUnits(other), false, $name, other, otherName);
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$3(newNumerators, newDenominators, $name) {
  	      return A.SassNumber_SassNumber$withUnits0(this.coerceValue$3(newNumerators, newDenominators, $name), newDenominators, newNumerators);
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      return this.coerce$3(newNumerators, newDenominators, null);
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      return this._number1$_coerceOrConvertValue$4$coerceUnitless$name(newNumerators, newDenominators, true, $name);
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      var t1 = type$.JSArray_String;
  	      return this.coerceValue$3(A._setArrayType([unit], t1), A._setArrayType([], t1), $name);
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    coerceToMatch$3(other, $name, otherName) {
  	      var t1 = this.coerceValueToMatch$3(other, $name, otherName),
  	        t2 = other.get$numeratorUnits(other);
  	      return A.SassNumber_SassNumber$withUnits0(t1, other.get$denominatorUnits(other), t2);
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      return this._number1$_coerceOrConvertValue$6$coerceUnitless$name$other$otherName(other.get$numeratorUnits(other), other.get$denominatorUnits(other), true, $name, other, otherName);
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    _number1$_coerceOrConvertValue$6$coerceUnitless$name$other$otherName(newNumerators, newDenominators, coerceUnitless, $name, other, otherName) {
  	      var t1, otherHasUnits, t2, compatibilityException, oldNumerators, oldDenominators, _this = this, _box_0 = {};
  	      if (B.C_ListEquality.equals$2(0, _this.get$numeratorUnits(_this), newNumerators) && B.C_ListEquality.equals$2(0, _this.get$denominatorUnits(_this), newDenominators))
  	        return _this._number1$_value;
  	      t1 = J.getInterceptor$asx(newNumerators);
  	      otherHasUnits = t1.get$isNotEmpty(newNumerators) || J.get$isNotEmpty$asx(newDenominators);
  	      if (coerceUnitless)
  	        t2 = !_this.get$hasUnits() || !otherHasUnits;
  	      else
  	        t2 = false;
  	      if (t2)
  	        return _this._number1$_value;
  	      compatibilityException = new A.SassNumber__coerceOrConvertValue_compatibilityException0(_this, other, otherName, otherHasUnits, $name, newNumerators, newDenominators);
  	      _box_0.value = _this._number1$_value;
  	      t2 = _this.get$numeratorUnits(_this);
  	      oldNumerators = A._setArrayType(t2.slice(0), A._arrayInstanceType(t2));
  	      for (t1 = t1.get$iterator(newNumerators); t1.moveNext$0();)
  	        A.removeFirstWhere0(oldNumerators, new A.SassNumber__coerceOrConvertValue_closure3(_box_0, t1.get$current(t1)), new A.SassNumber__coerceOrConvertValue_closure4(compatibilityException));
  	      t1 = _this.get$denominatorUnits(_this);
  	      oldDenominators = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      for (t1 = J.get$iterator$ax(newDenominators); t1.moveNext$0();)
  	        A.removeFirstWhere0(oldDenominators, new A.SassNumber__coerceOrConvertValue_closure5(_box_0, t1.get$current(t1)), new A.SassNumber__coerceOrConvertValue_closure6(compatibilityException));
  	      if (oldNumerators.length !== 0 || oldDenominators.length !== 0)
  	        throw A.wrapException(compatibilityException.call$0());
  	      return _box_0.value;
  	    },
  	    _number1$_coerceOrConvertValue$4$coerceUnitless$name(newNumerators, newDenominators, coerceUnitless, $name) {
  	      return this._number1$_coerceOrConvertValue$6$coerceUnitless$name$other$otherName(newNumerators, newDenominators, coerceUnitless, $name, null, null);
  	    },
  	    isComparableTo$1(other) {
  	      if (!this.get$hasUnits() || !other.get$hasUnits())
  	        return true;
  	      try {
  	        this.greaterThan$1(other);
  	        return true;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.SassScriptException0)
  	          return false;
  	        else
  	          throw exception;
  	      }
  	    },
  	    greaterThan$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return this._number1$_coerceUnits$2(other, A.number2__fuzzyGreaterThan$closure()) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " > " + other.toString$0(0) + '".', null));
  	    },
  	    greaterThanOrEquals$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return this._number1$_coerceUnits$2(other, A.number2__fuzzyGreaterThanOrEquals$closure()) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " >= " + other.toString$0(0) + '".', null));
  	    },
  	    lessThan$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return this._number1$_coerceUnits$2(other, A.number2__fuzzyLessThan$closure()) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " < " + other.toString$0(0) + '".', null));
  	    },
  	    lessThanOrEquals$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return this._number1$_coerceUnits$2(other, A.number2__fuzzyLessThanOrEquals$closure()) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " <= " + other.toString$0(0) + '".', null));
  	    },
  	    modulo$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return this.withValue$1(this._number1$_coerceUnits$2(other, A.number2__moduloLikeSass$closure()));
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " % " + other.toString$0(0) + '".', null));
  	    },
  	    plus$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber0)
  	        return _this.withValue$1(_this._number1$_coerceUnits$2(other, new A.SassNumber_plus_closure0()));
  	      if (!(other instanceof A.SassColor0))
  	        return _this.super$Value$plus0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + _this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	    },
  	    minus$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber0)
  	        return _this.withValue$1(_this._number1$_coerceUnits$2(other, new A.SassNumber_minus_closure0()));
  	      if (!(other instanceof A.SassColor0))
  	        return _this.super$Value$minus0(other);
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + _this.toString$0(0) + " - " + other.toString$0(0) + '".', null));
  	    },
  	    times$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber0) {
  	        if (!other.get$hasUnits())
  	          return _this.withValue$1(_this._number1$_value * other._number1$_value);
  	        return _this.multiplyUnits$3(_this._number1$_value * other._number1$_value, other.get$numeratorUnits(other), other.get$denominatorUnits(other));
  	      }
  	      throw A.wrapException(A.SassScriptException$0('Undefined operation "' + _this.toString$0(0) + " * " + other.toString$0(0) + '".', null));
  	    },
  	    dividedBy$1(other) {
  	      var _this = this;
  	      if (other instanceof A.SassNumber0) {
  	        if (!other.get$hasUnits())
  	          return _this.withValue$1(_this._number1$_value / other._number1$_value);
  	        return _this.multiplyUnits$3(_this._number1$_value / other._number1$_value, other.get$denominatorUnits(other), other.get$numeratorUnits(other));
  	      }
  	      return _this.super$Value$dividedBy0(other);
  	    },
  	    unaryPlus$0() {
  	      return this;
  	    },
  	    _number1$_coerceUnits$1$2(other, operation) {
  	      var t1;
  	      try {
  	        t1 = operation.call$2(this._number1$_value, other.coerceValueToMatch$1(this));
  	        return t1;
  	      } catch (exception) {
  	        if (A.unwrapException(exception) instanceof A.SassScriptException0) {
  	          this.coerceValueToMatch$1(other);
  	          throw exception;
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _number1$_coerceUnits$2(other, operation) {
  	      return this._number1$_coerceUnits$1$2(other, operation, type$.dynamic);
  	    },
  	    multiplyUnits$3(value, otherNumerators, otherDenominators) {
  	      var t1, _0_1, _0_6, _0_3, _0_9, _0_9_isSet, _0_7, _0_7_isSet, t2, _0_2, t3, denominators_case_0, _0_11_isSet, _0_11, _0_13, _0_13_isSet, numerators_case_0, t4, t5, t6, t7, numerators_case_1, denominators_case_1, t0, newNumerators, mutableOtherDenominators, _i, numerator, mutableDenominatorUnits, _this = this, _null = null, _box_0 = {};
  	      _box_0.value = value;
  	      t1 = [_this.get$numeratorUnits(_this), _this.get$denominatorUnits(_this), otherNumerators, otherDenominators];
  	      _0_1 = t1[0];
  	      _0_6 = _null;
  	      _0_3 = _null;
  	      _0_9 = _null;
  	      _0_9_isSet = false;
  	      _0_7 = _null;
  	      _0_7_isSet = false;
  	      t2 = false;
  	      _0_2 = t1[1];
  	      _0_3 = t1[2];
  	      _0_6 = _0_3.length <= 0;
  	      t3 = _0_6;
  	      if (t3) {
  	        _0_7 = t1[3];
  	        _0_9 = _0_7.length <= 0;
  	        t2 = _0_9;
  	        _0_9_isSet = true;
  	        _0_7_isSet = true;
  	      }
  	      denominators_case_0 = _0_2;
  	      _0_11_isSet = !t2;
  	      _0_11 = _null;
  	      _0_13 = _null;
  	      _0_13_isSet = false;
  	      t2 = true;
  	      if (_0_11_isSet) {
  	        _0_11 = _0_1.length <= 0;
  	        t3 = _0_11;
  	        if (t3) {
  	          _0_13 = _0_2.length <= 0;
  	          t3 = _0_13;
  	          if (t3) {
  	            if (_0_7_isSet)
  	              denominators_case_0 = _0_7;
  	            else {
  	              _0_7 = t1[3];
  	              denominators_case_0 = _0_7;
  	              _0_7_isSet = true;
  	            }
  	            numerators_case_0 = _0_3;
  	          } else {
  	            numerators_case_0 = _0_1;
  	            t2 = false;
  	          }
  	          _0_13_isSet = true;
  	        } else {
  	          numerators_case_0 = _0_1;
  	          t2 = false;
  	        }
  	      } else
  	        numerators_case_0 = _0_1;
  	      if (t2) {
  	        t4 = denominators_case_0;
  	        t3 = numerators_case_0;
  	      } else {
  	        t4 = _null;
  	        t3 = t4;
  	      }
  	      if (!t2) {
  	        t2 = _null;
  	        t5 = _null;
  	        if (_0_11_isSet)
  	          t6 = _0_11;
  	        else {
  	          _0_11 = _0_1.length <= 0;
  	          t6 = _0_11;
  	        }
  	        t7 = false;
  	        if (t6) {
  	          if (_0_9_isSet)
  	            t2 = _0_9;
  	          else {
  	            if (_0_7_isSet)
  	              t2 = _0_7;
  	            else {
  	              _0_7 = t1[3];
  	              t2 = _0_7;
  	              _0_7_isSet = true;
  	            }
  	            _0_9 = t2.length <= 0;
  	            t2 = _0_9;
  	          }
  	          numerators_case_1 = _0_3;
  	          denominators_case_1 = _0_2;
  	        } else {
  	          numerators_case_1 = t2;
  	          t2 = t7;
  	          denominators_case_1 = t5;
  	        }
  	        if (!t2) {
  	          t2 = false;
  	          if (_0_13_isSet)
  	            t5 = _0_13;
  	          else {
  	            _0_13 = _0_2.length <= 0;
  	            t5 = _0_13;
  	          }
  	          if (t5)
  	            if (_0_6) {
  	              denominators_case_1 = _0_7_isSet ? _0_7 : t1[3];
  	              t1 = true;
  	            } else
  	              t1 = t2;
  	          else
  	            t1 = t2;
  	          numerators_case_1 = _0_1;
  	        } else
  	          t1 = true;
  	        if (t1) {
  	          t1 = !_this._number1$_areAnyConvertible$2(numerators_case_1, denominators_case_1);
  	          if (t1) {
  	            t3 = denominators_case_1;
  	            t2 = numerators_case_1;
  	          } else {
  	            t2 = t3;
  	            t3 = t4;
  	          }
  	          t0 = t3;
  	          t3 = t1;
  	          t1 = t2;
  	          t2 = t0;
  	        } else {
  	          t2 = t4;
  	          t1 = t3;
  	          t3 = false;
  	        }
  	      } else {
  	        t2 = t4;
  	        t1 = t3;
  	        t3 = true;
  	      }
  	      if (t3)
  	        return A.SassNumber_SassNumber$withUnits0(value, t2, t1);
  	      newNumerators = A._setArrayType([], type$.JSArray_String);
  	      mutableOtherDenominators = A._setArrayType(otherDenominators.slice(0), A._arrayInstanceType(otherDenominators));
  	      for (t1 = _this.get$numeratorUnits(_this), t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        numerator = t1[_i];
  	        A.removeFirstWhere0(mutableOtherDenominators, new A.SassNumber_multiplyUnits_closure3(_box_0, numerator), new A.SassNumber_multiplyUnits_closure4(newNumerators, numerator));
  	      }
  	      t1 = _this.get$denominatorUnits(_this);
  	      mutableDenominatorUnits = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
  	      for (t1 = otherNumerators.length, _i = 0; _i < t1; ++_i) {
  	        numerator = otherNumerators[_i];
  	        A.removeFirstWhere0(mutableDenominatorUnits, new A.SassNumber_multiplyUnits_closure5(_box_0, numerator), new A.SassNumber_multiplyUnits_closure6(newNumerators, numerator));
  	      }
  	      t1 = _box_0.value;
  	      B.JSArray_methods.addAll$1(mutableDenominatorUnits, mutableOtherDenominators);
  	      return A.SassNumber_SassNumber$withUnits0(t1, mutableDenominatorUnits, newNumerators);
  	    },
  	    _number1$_areAnyConvertible$2(units1, units2) {
  	      return B.JSArray_methods.any$1(units1, new A.SassNumber__areAnyConvertible_closure0(units2));
  	    },
  	    _number1$_unitString$2(numerators, denominators) {
  	      var t1, _0_4, _0_7, _0_6, _0_5, t2, _0_9, _0_10, denominator, _null = null;
  	      $label0$0: {
  	        t1 = J.getInterceptor$asx(numerators);
  	        _0_4 = t1.get$length(numerators) <= 0;
  	        _0_7 = _null;
  	        _0_6 = _null;
  	        _0_5 = _null;
  	        if (_0_4) {
  	          _0_6 = J.get$length$asx(denominators);
  	          t2 = _0_6;
  	          _0_7 = t2 <= 0;
  	          t2 = _0_7;
  	          _0_5 = denominators;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          t1 = "no units";
  	          break $label0$0;
  	        }
  	        _0_9 = _null;
  	        if (_0_4) {
  	          t2 = _0_6;
  	          _0_9 = t2 === 1;
  	          t2 = _0_9;
  	        } else
  	          t2 = false;
  	        if (t2) {
  	          _0_10 = J.$index$asx(_0_4 ? _0_5 : denominators, 0);
  	          denominator = _0_10;
  	          t1 = denominator + "^-1";
  	          break $label0$0;
  	        }
  	        if (_0_4) {
  	          t1 = "(" + J.join$1$ax(denominators, "*") + ")^-1";
  	          break $label0$0;
  	        }
  	        t2 = denominators;
  	        _0_5 = t2;
  	        _0_6 = J.get$length$asx(t2);
  	        t2 = _0_6;
  	        _0_7 = t2 <= 0;
  	        t2 = _0_7;
  	        if (t2) {
  	          t1 = t1.join$1(numerators, "*");
  	          break $label0$0;
  	        }
  	        t2 = _0_6;
  	        _0_9 = t2 === 1;
  	        t2 = _0_9;
  	        if (t2) {
  	          _0_10 = J.$index$asx(_0_5, 0);
  	          denominator = _0_10;
  	          t1 = t1.join$1(numerators, "*") + "/" + denominator;
  	          break $label0$0;
  	        }
  	        t1 = t1.join$1(numerators, "*") + "/(" + J.join$1$ax(denominators, "*") + ")";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      if (!(other instanceof A.SassNumber0))
  	        return false;
  	      if (_this.get$numeratorUnits(_this).length !== other.get$numeratorUnits(other).length || _this.get$denominatorUnits(_this).length !== other.get$denominatorUnits(other).length)
  	        return false;
  	      if (!_this.get$hasUnits())
  	        return A.fuzzyEquals0(_this._number1$_value, other._number1$_value);
  	      if (!B.C_ListEquality.equals$2(0, _this._number1$_canonicalizeUnitList$1(_this.get$numeratorUnits(_this)), _this._number1$_canonicalizeUnitList$1(other.get$numeratorUnits(other))) || !B.C_ListEquality.equals$2(0, _this._number1$_canonicalizeUnitList$1(_this.get$denominatorUnits(_this)), _this._number1$_canonicalizeUnitList$1(other.get$denominatorUnits(other))))
  	        return false;
  	      return A.fuzzyEquals0(_this._number1$_value * _this._number1$_canonicalMultiplier$1(_this.get$numeratorUnits(_this)) / _this._number1$_canonicalMultiplier$1(_this.get$denominatorUnits(_this)), other._number1$_value * _this._number1$_canonicalMultiplier$1(other.get$numeratorUnits(other)) / _this._number1$_canonicalMultiplier$1(other.get$denominatorUnits(other)));
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.hashCache;
  	      return t1 == null ? _this.hashCache = A.fuzzyHashCode0(_this._number1$_value * _this._number1$_canonicalMultiplier$1(_this.get$numeratorUnits(_this)) / _this._number1$_canonicalMultiplier$1(_this.get$denominatorUnits(_this))) : t1;
  	    },
  	    _number1$_canonicalizeUnitList$1(units) {
  	      var type,
  	        t1 = units.length;
  	      if (t1 === 0)
  	        return units;
  	      if (t1 === 1) {
  	        type = $.$get$_typesByUnit0().$index(0, B.JSArray_methods.get$first(units));
  	        if (type == null)
  	          t1 = units;
  	        else {
  	          t1 = B.Map_Sr65K.$index(0, type);
  	          t1.toString;
  	          t1 = A._setArrayType([B.JSArray_methods.get$first(t1)], type$.JSArray_String);
  	        }
  	        return t1;
  	      }
  	      t1 = A._arrayInstanceType(units)._eval$1("MappedListIterable<1,String>");
  	      t1 = A.List_List$_of(new A.MappedListIterable(units, new A.SassNumber__canonicalizeUnitList_closure0(), t1), t1._eval$1("ListIterable.E"));
  	      B.JSArray_methods.sort$0(t1);
  	      return t1;
  	    },
  	    _number1$_canonicalMultiplier$1(units) {
  	      return B.JSArray_methods.fold$2(units, 1, new A.SassNumber__canonicalMultiplier_closure0(this));
  	    },
  	    canonicalMultiplierForUnit$1(unit) {
  	      var t1,
  	        innerMap = B.Map_NtHoP.$index(0, unit);
  	      if (innerMap == null)
  	        t1 = 1;
  	      else {
  	        t1 = innerMap.get$values(innerMap);
  	        t1 = 1 / t1.get$first(t1);
  	      }
  	      return t1;
  	    },
  	    unitSuggestion$2($name, unit) {
  	      var t2, t3, result, _this = this,
  	        t1 = _this.get$denominatorUnits(_this);
  	      t1 = new A.MappedListIterable(t1, new A.SassNumber_unitSuggestion_closure1(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	      t2 = _this.get$numeratorUnits(_this);
  	      t2 = new A.MappedListIterable(t2, new A.SassNumber_unitSuggestion_closure2(), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,String>")).join$0(0);
  	      t3 = unit == null ? "" : " * 1" + unit;
  	      result = "$" + $name + t1 + t2 + t3;
  	      return _this.get$numeratorUnits(_this).length === 0 ? result : "calc(" + result + ")";
  	    },
  	    unitSuggestion$1($name) {
  	      return this.unitSuggestion$2($name, null);
  	    }
  	  };
  	  A.SassNumber__coerceOrConvertValue_compatibilityException0.prototype = {
  	    call$0() {
  	      var t2, t3, message, t4, type, unit, _this = this,
  	        t1 = _this.other;
  	      if (t1 != null) {
  	        t2 = _this.$this;
  	        t3 = t2.toString$0(0) + " and";
  	        message = new A.StringBuffer(t3);
  	        t4 = _this.otherName;
  	        if (t4 != null)
  	          t3 = message._contents = t3 + (" $" + t4 + ":");
  	        t1 = t3 + (" " + t1.toString$0(0) + " have incompatible units");
  	        message._contents = t1;
  	        if (!t2.get$hasUnits() || !_this.otherHasUnits)
  	          message._contents = t1 + " (one has units and the other doesn't)";
  	        t1 = message.toString$0(0) + ".";
  	        t2 = _this.name;
  	        return new A.SassScriptException0(t2 == null ? t1 : "$" + t2 + ": " + t1);
  	      } else if (!_this.otherHasUnits) {
  	        t1 = "Expected " + _this.$this.toString$0(0) + " to have no units.";
  	        t2 = _this.name;
  	        return new A.SassScriptException0(t2 == null ? t1 : "$" + t2 + ": " + t1);
  	      } else {
  	        t1 = _this.newNumerators;
  	        t2 = J.getInterceptor$asx(t1);
  	        if (t2.get$length(t1) === 1 && J.get$isEmpty$asx(_this.newDenominators)) {
  	          type = $.$get$_typesByUnit0().$index(0, t2.get$first(t1));
  	          if (type != null) {
  	            t1 = _this.$this.toString$0(0);
  	            t2 = B.JSArray_methods.contains$1(A._setArrayType([97, 101, 105, 111, 117], type$.JSArray_int), type.charCodeAt(0)) ? "an " + type : "a " + type;
  	            t3 = B.Map_Sr65K.$index(0, type);
  	            t3.toString;
  	            t3 = "Expected " + t1 + " to have " + t2 + " unit (" + B.JSArray_methods.join$1(t3, ", ") + ").";
  	            t2 = _this.name;
  	            return new A.SassScriptException0(t2 == null ? t3 : "$" + t2 + ": " + t3);
  	          }
  	        }
  	        t3 = _this.newDenominators;
  	        unit = A.pluralize0("unit", t2.get$length(t1) + J.get$length$asx(t3), null);
  	        t2 = _this.$this;
  	        t3 = "Expected " + t2.toString$0(0) + " to have " + unit + " " + t2._number1$_unitString$2(t1, t3) + ".";
  	        t1 = _this.name;
  	        return new A.SassScriptException0(t1 == null ? t3 : "$" + t1 + ": " + t3);
  	      }
  	    },
  	    $signature: 557
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure3.prototype = {
  	    call$1(oldNumerator) {
  	      var factor = A.conversionFactor0(this.newNumerator, oldNumerator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value *= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure4.prototype = {
  	    call$0() {
  	      return A.throwExpression(this.compatibilityException.call$0());
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure5.prototype = {
  	    call$1(oldDenominator) {
  	      var factor = A.conversionFactor0(this.newDenominator, oldDenominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__coerceOrConvertValue_closure6.prototype = {
  	    call$0() {
  	      return A.throwExpression(this.compatibilityException.call$0());
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber_plus_closure0.prototype = {
  	    call$2(num1, num2) {
  	      return num1 + num2;
  	    },
  	    $signature: 57
  	  };
  	  A.SassNumber_minus_closure0.prototype = {
  	    call$2(num1, num2) {
  	      return num1 - num2;
  	    },
  	    $signature: 57
  	  };
  	  A.SassNumber_multiplyUnits_closure3.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor0(this.numerator, denominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber_multiplyUnits_closure4.prototype = {
  	    call$0() {
  	      return this.newNumerators.push(this.numerator);
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber_multiplyUnits_closure5.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor0(this.numerator, denominator);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value /= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber_multiplyUnits_closure6.prototype = {
  	    call$0() {
  	      return this.newNumerators.push(this.numerator);
  	    },
  	    $signature: 0
  	  };
  	  A.SassNumber__areAnyConvertible_closure0.prototype = {
  	    call$1(unit1) {
  	      var t1,
  	        _0_0 = B.Map_NtHoP.$index(0, unit1);
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = B.JSArray_methods.any$1(this.units2, _0_0.get$containsKey());
  	          break $label0$0;
  	        }
  	        t1 = B.JSArray_methods.contains$1(this.units2, unit1);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 4
  	  };
  	  A.SassNumber__canonicalizeUnitList_closure0.prototype = {
  	    call$1(unit) {
  	      var t1,
  	        type = $.$get$_typesByUnit0().$index(0, unit);
  	      if (type == null)
  	        t1 = unit;
  	      else {
  	        t1 = B.Map_Sr65K.$index(0, type);
  	        t1.toString;
  	        t1 = B.JSArray_methods.get$first(t1);
  	      }
  	      return t1;
  	    },
  	    $signature: 6
  	  };
  	  A.SassNumber__canonicalMultiplier_closure0.prototype = {
  	    call$2(multiplier, unit) {
  	      return multiplier * this.$this.canonicalMultiplierForUnit$1(unit);
  	    },
  	    $signature: 165
  	  };
  	  A.SassNumber_unitSuggestion_closure1.prototype = {
  	    call$1(unit) {
  	      return " * 1" + unit;
  	    },
  	    $signature: 6
  	  };
  	  A.SassNumber_unitSuggestion_closure2.prototype = {
  	    call$1(unit) {
  	      return " / 1" + unit;
  	    },
  	    $signature: 6
  	  };
  	  A.OklabColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, missingChroma, missingHue) {
  	      var missingLightness, missingA, missingB, t1;
  	      if (dest === B.OklchColorSpace_9Gj0)
  	        return A.labToLch0(dest, lightness, a, b, alpha, missingChroma, missingHue);
  	      missingLightness = lightness == null;
  	      missingA = a == null;
  	      missingB = b == null;
  	      if (missingLightness)
  	        lightness = 0;
  	      if (missingA)
  	        a = 0;
  	      if (missingB)
  	        b = 0;
  	      t1 = $.$get$oklabToLms0();
  	      return B.LmsColorSpace_Os30.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, Math.pow(t1[0] * lightness + t1[1] * a + t1[2] * b, 3) + 0, Math.pow(t1[3] * lightness + t1[4] * a + t1[5] * b, 3) + 0, Math.pow(t1[6] * lightness + t1[7] * a + t1[8] * b, 3) + 0, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, lightness, a, b, alpha) {
  	      return this.convert$7$missingChroma$missingHue(dest, lightness, a, b, alpha, false, false);
  	    }
  	  };
  	  A.OklchColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return true;
  	    },
  	    convert$5(dest, lightness, chroma, hue, alpha) {
  	      var t1 = hue == null,
  	        hueRadians = (t1 ? 0 : hue) * 3.141592653589793 / 180,
  	        t2 = chroma == null,
  	        t3 = t2 ? 0 : chroma,
  	        t4 = Math.cos(hueRadians),
  	        t5 = t2 ? 0 : chroma;
  	      return B.OklabColorSpace_5400.convert$7$missingChroma$missingHue(dest, lightness, t3 * t4, t5 * Math.sin(hueRadians), alpha, t2, t1);
  	    }
  	  };
  	  A.SupportsOperation0.prototype = {
  	    toInterpolation$0() {
  	      var t1 = new A.StringBuffer(""),
  	        t2 = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        t3 = this.span,
  	        t4 = this.left,
  	        t5 = A.SpanExtensions_before(t3, t4.get$span(t4));
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, null);
  	      t1._contents += t5;
  	      t2.addInterpolation$1(t4.toInterpolation$0());
  	      t5 = this.right;
  	      t4 = A.SpanExtensions_between(t4.get$span(t4), t5.get$span(t5));
  	      t4 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t4.file._decodedChars, t4._file$_start, t4._end), 0, null);
  	      t1._contents += t4;
  	      t2.addInterpolation$1(t5.toInterpolation$0());
  	      t5 = A.SpanExtensions_after(t3, t5.get$span(t5));
  	      t5 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t5.file._decodedChars, t5._file$_start, t5._end), 0, null);
  	      t1._contents += t5;
  	      return t2.interpolation$1(t3);
  	    },
  	    withSpan$1(span) {
  	      return new A.SupportsOperation0(this.left, this.right, this.operator, span);
  	    },
  	    toString$0(_) {
  	      var _this = this;
  	      return _this._operation$_parenthesize$1(_this.left) + " " + _this.operator.toString$0(0) + " " + _this._operation$_parenthesize$1(_this.right);
  	    },
  	    _operation$_parenthesize$1(condition) {
  	      var t1;
  	      if (!(condition instanceof A.SupportsNegation0))
  	        t1 = condition instanceof A.SupportsOperation0 && condition.operator === this.operator;
  	      else
  	        t1 = true;
  	      return t1 ? "(" + condition.toString$0(0) + ")" : condition.toString$0(0);
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    $isSupportsCondition: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.Parameter0.prototype = {
  	    toString$0(_) {
  	      var t1 = this.defaultValue,
  	        t2 = this.name;
  	      return t1 == null ? t2 : t2 + ": " + t1.toString$0(0);
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParameterList0.prototype = {
  	    get$spanWithName() {
  	      var t2, t3,
  	        t1 = this.span,
  	        text = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.get$file(t1)._decodedChars, 0, null), 0, null),
  	        i = t1.get$start(t1).offset - 1;
  	      for (;;) {
  	        if (i > 0) {
  	          t2 = text.charCodeAt(i);
  	          t2 = t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	        --i;
  	      }
  	      t2 = text.charCodeAt(i);
  	      if (!(t2 === 95 || A.CharacterExtension_get_isAlphabetic0(t2) || t2 >= 128))
  	        t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	      else
  	        t2 = true;
  	      if (!t2)
  	        return t1;
  	      --i;
  	      for (;;) {
  	        if (i >= 0) {
  	          t2 = text.charCodeAt(i);
  	          if (t2 !== 95) {
  	            if (!(t2 >= 97 && t2 <= 122))
  	              t3 = t2 >= 65 && t2 <= 90;
  	            else
  	              t3 = true;
  	            t3 = t3 || t2 >= 128;
  	          } else
  	            t3 = true;
  	          if (!t3)
  	            t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	          else
  	            t2 = true;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	        --i;
  	      }
  	      t2 = i + 1;
  	      t3 = text.charCodeAt(t2);
  	      if (!(t3 === 95 || A.CharacterExtension_get_isAlphabetic0(t3) || t3 >= 128))
  	        return t1;
  	      return A.SpanExtensions_trimRight0(A.SpanExtensions_trimLeft0(t1.get$file(t1).span$2(0, t2, t1.get$end(t1).offset)));
  	    },
  	    verify$2(positional, names) {
  	      var t1, t2, t3, namedUsed, i, parameter, t4, unknownNames, _this = this,
  	        _s10_ = "invocation";
  	      for (t1 = _this.parameters, t2 = t1.length, t3 = names._baseMap, namedUsed = 0, i = 0; i < t2; ++i) {
  	        parameter = t1[i];
  	        if (i < positional) {
  	          t4 = parameter.name;
  	          if (t3.containsKey$1(t4))
  	            throw A.wrapException(A.SassScriptException$0("Argument " + _this._parameter_list$_originalParameterName$1(t4) + string$.x20was_p, null));
  	        } else {
  	          t4 = parameter.name;
  	          if (t3.containsKey$1(t4))
  	            ++namedUsed;
  	          else if (parameter.defaultValue == null)
  	            throw A.wrapException(A.MultiSpanSassScriptException$0("Missing argument " + _this._parameter_list$_originalParameterName$1(t4) + ".", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, type$.String)));
  	        }
  	      }
  	      if (_this.restParameter != null)
  	        return;
  	      if (positional > t2) {
  	        t1 = names.get$isEmpty(0) ? "" : "positional ";
  	        throw A.wrapException(A.MultiSpanSassScriptException$0("Only " + t2 + " " + t1 + A.pluralize0("argument", t2, null) + " allowed, but " + positional + " " + A.pluralize0("was", positional, "were") + " passed.", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, type$.String)));
  	      }
  	      if (namedUsed < t3.get$length(t3)) {
  	        t2 = type$.String;
  	        unknownNames = A.LinkedHashSet_LinkedHashSet$of(names, t2);
  	        unknownNames.removeAll$1(new A.MappedListIterable(t1, new A.ParameterList_verify_closure1(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Object?>")));
  	        throw A.wrapException(A.MultiSpanSassScriptException$0("No " + A.pluralize0("parameter", unknownNames._collection$_length, null) + " named " + A.toSentence0(unknownNames.map$1$1(0, new A.ParameterList_verify_closure2(), type$.Object), "or") + ".", _s10_, A.LinkedHashMap_LinkedHashMap$_literal([_this.get$spanWithName(), "declaration"], type$.FileSpan, t2)));
  	      }
  	    },
  	    _parameter_list$_originalParameterName$1($name) {
  	      var text, t1, t2, _i, parameter, end;
  	      if ($name === this.restParameter) {
  	        text = this.span.get$text();
  	        return B.JSString_methods.substring$2(B.JSString_methods.substring$1(text, B.JSString_methods.lastIndexOf$1(text, "$")), 0, B.JSString_methods.indexOf$1(text, "."));
  	      }
  	      for (t1 = this.parameters, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        parameter = t1[_i];
  	        if (parameter.name === $name) {
  	          t1 = parameter.span;
  	          if (parameter.defaultValue == null)
  	            t1 = t1.get$text();
  	          else {
  	            text = t1.get$text();
  	            t1 = B.JSString_methods.substring$2(text, 0, B.JSString_methods.indexOf$1(text, ":"));
  	            end = A._lastNonWhitespace0(t1, false);
  	            t1 = end == null ? "" : B.JSString_methods.substring$2(t1, 0, end + 1);
  	          }
  	          return t1;
  	        }
  	      }
  	      throw A.wrapException(A.ArgumentError$(string$.This_d + $name + '".', null));
  	    },
  	    matches$2(positional, names) {
  	      var t1, t2, t3, namedUsed, i, parameter;
  	      for (t1 = this.parameters, t2 = t1.length, t3 = names._baseMap, namedUsed = 0, i = 0; i < t2; ++i) {
  	        parameter = t1[i];
  	        if (i < positional) {
  	          if (t3.containsKey$1(parameter.name))
  	            return false;
  	        } else if (t3.containsKey$1(parameter.name))
  	          ++namedUsed;
  	        else if (parameter.defaultValue == null)
  	          return false;
  	      }
  	      if (this.restParameter != null)
  	        return true;
  	      if (positional > t2)
  	        return false;
  	      if (namedUsed < t3.get$length(t3))
  	        return false;
  	      return true;
  	    },
  	    toString$0(_) {
  	      var t2, t3, _i,
  	        t1 = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = this.parameters, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t1.push("$" + t2[_i].toString$0(0));
  	      t2 = this.restParameter;
  	      if (t2 != null)
  	        t1.push("$" + t2 + "...");
  	      return B.JSArray_methods.join$1(t1, ", ");
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParameterList_verify_closure1.prototype = {
  	    call$1(parameter) {
  	      return parameter.name;
  	    },
  	    $signature: 558
  	  };
  	  A.ParameterList_verify_closure2.prototype = {
  	    call$1($name) {
  	      return "$" + $name;
  	    },
  	    $signature: 6
  	  };
  	  A.InterpolatedParentSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return J.visitParentSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1,
  	        _0_0 = this.suffix;
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = "&" + _0_0.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = "&";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParentSelector0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitParentSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(compound) {
  	      return A.throwExpression(A.UnsupportedError$("& doesn't support unification."));
  	    }
  	  };
  	  A.ParentStatement0.prototype = {};
  	  A.ParentStatement_closure0.prototype = {
  	    call$1(child) {
  	      var t1;
  	      $label0$0: {
  	        if (child instanceof A.VariableDeclaration0 || child instanceof A.FunctionRule0 || child instanceof A.MixinRule0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (child instanceof A.ImportRule0) {
  	          t1 = B.JSArray_methods.any$1(child.imports, new A.ParentStatement__closure0());
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 248
  	  };
  	  A.ParentStatement__closure0.prototype = {
  	    call$1($import) {
  	      return $import instanceof A.DynamicImport0;
  	    },
  	    $signature: 249
  	  };
  	  A.ParenthesizedExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitParenthesizedExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "(" + this.expression.toString$0(0) + ")";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ParserExports.prototype = {};
  	  A.loadParserExports_closure.prototype = {
  	    call$1(inner) {
  	      return new A.JSExpressionVisitor(inner);
  	    },
  	    $signature: 559
  	  };
  	  A.loadParserExports_closure0.prototype = {
  	    call$1(inner) {
  	      return new A.JSIfConditionExpressionVisitor(inner);
  	    },
  	    $signature: 560
  	  };
  	  A.loadParserExports_closure1.prototype = {
  	    call$1(inner) {
  	      return new A.JSStatementVisitor(inner);
  	    },
  	    $signature: 561
  	  };
  	  A.loadParserExports_closure2.prototype = {
  	    call$1(inner) {
  	      return new A.JSSimpleSelectorVisitor(inner);
  	    },
  	    $signature: 562
  	  };
  	  A.loadParserExports_closure3.prototype = {
  	    call$1(text) {
  	      return A.SourceFile$fromString(text, null);
  	    },
  	    $signature: 563
  	  };
  	  A.loadParserExports_closure4.prototype = {
  	    call$1(set) {
  	      var t1 = A.List_List$_of(set, type$.nullable_Object);
  	      return new self.Set(t1);
  	    },
  	    $signature: 564
  	  };
  	  A._updateLazyFileSpanPrototype_closure.prototype = {
  	    call$0() {
  	      return $.$get$bogusSpan0();
  	    },
  	    $signature: 16
  	  };
  	  A._updateLazyFileSpanPrototype_closure0.prototype = {
  	    call$1(span) {
  	      var t1 = span.get$span(0);
  	      return t1.get$file(t1);
  	    },
  	    $signature: 565
  	  };
  	  A._updateLazyFileSpanPrototype_closure1.prototype = {
  	    call$1(span) {
  	      var t1 = span.get$span(0);
  	      return t1.get$length(t1);
  	    },
  	    $signature: 566
  	  };
  	  A._updateLazyFileSpanPrototype_closure2.prototype = {
  	    call$1(span) {
  	      var t1 = span.get$span(0);
  	      return t1.get$sourceUrl(t1);
  	    },
  	    $signature: 567
  	  };
  	  A._updateAstPrototypes_closure.prototype = {
  	    call$3($self, start, end) {
  	      return A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2($self._decodedChars, start, end), 0, null);
  	    },
  	    call$2($self, start) {
  	      return this.call$3($self, start, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 568
  	  };
  	  A._updateAstPrototypes_closure0.prototype = {
  	    call$3($self, start, end) {
  	      return $self.span$2(0, start, end);
  	    },
  	    call$2($self, start) {
  	      return this.call$3($self, start, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 569
  	  };
  	  A._updateAstPrototypes_closure1.prototype = {
  	    call$1($self) {
  	      return $self._decodedChars;
  	    },
  	    $signature: 570
  	  };
  	  A._updateAstPrototypes_closure2.prototype = {
  	    call$1($self) {
  	      return $self.get$asPlain();
  	    },
  	    $signature: 571
  	  };
  	  A._updateAstPrototypes_closure3.prototype = {
  	    call$2($self, visitor) {
  	      return $self.accept$1(visitor);
  	    },
  	    $signature: 572
  	  };
  	  A._updateAstPrototypes_closure4.prototype = {
  	    call$2($self, visitor) {
  	      return $self.accept$1(visitor);
  	    },
  	    $signature: 573
  	  };
  	  A._updateAstPrototypes_closure5.prototype = {
  	    call$2($self, visitor) {
  	      return $self.accept$1(visitor);
  	    },
  	    $signature: 574
  	  };
  	  A._updateAstPrototypes_closure6.prototype = {
  	    call$2($self, visitor) {
  	      return $self.accept$1(visitor);
  	    },
  	    $signature: 575
  	  };
  	  A._updateAstPrototypes_closure7.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 576
  	  };
  	  A._updateAstPrototypes_closure8.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 577
  	  };
  	  A._updateAstPrototypes_closure9.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 578
  	  };
  	  A._updateAstPrototypes_closure10.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 579
  	  };
  	  A._updateAstPrototypes_closure11.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 580
  	  };
  	  A._updateAstPrototypes_closure12.prototype = {
  	    call$1($self) {
  	      return $self.$arguments;
  	    },
  	    $signature: 581
  	  };
  	  A._updateAstPrototypes_closure13.prototype = {
  	    call$1($self) {
  	      return $self.get$span($self);
  	    },
  	    $signature: 582
  	  };
  	  A._addSupportsConditionToInterpolation_closure.prototype = {
  	    call$1($self) {
  	      return $self.toInterpolation$0();
  	    },
  	    $signature: 583
  	  };
  	  A.Parser1.prototype = {
  	    _parser1$_parseIdentifier$0() {
  	      return this.wrapSpanFormatException$1(new A.Parser__parseIdentifier_closure0(this));
  	    },
  	    whitespace$1$consumeNewlines(consumeNewlines) {
  	      do
  	        this.whitespaceWithoutComments$1$consumeNewlines(consumeNewlines);
  	      while (this.scanComment$0());
  	    },
  	    whitespaceWithoutComments$1$consumeNewlines(consumeNewlines) {
  	      var t3,
  	        t1 = this.scanner,
  	        t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = t3 === 32 || t3 === 9 || t3 === 10 || t3 === 13 || t3 === 12;
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    spaces$0() {
  	      var t3,
  	        t1 = this.scanner,
  	        t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = t3 === 32 || t3 === 9;
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    scanComment$0() {
  	      var _0_0,
  	        t1 = this.scanner;
  	      if (t1.peekChar$0() !== 47)
  	        return false;
  	      _0_0 = t1.peekChar$1(1);
  	      if (47 === _0_0)
  	        return this.silentComment$0();
  	      if (42 === _0_0) {
  	        this.loudComment$0();
  	        return true;
  	      }
  	      return false;
  	    },
  	    expectWhitespace$1$consumeNewlines(consumeNewlines) {
  	      var t2, t3,
  	        t1 = this.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length) {
  	        t2 = t1.peekChar$0();
  	        t3 = !(t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12 || this.scanComment$0());
  	        t2 = t3;
  	      } else
  	        t2 = true;
  	      if (t2)
  	        t1.error$1(0, "Expected whitespace.");
  	      this.whitespace$1$consumeNewlines(consumeNewlines);
  	    },
  	    expectWhitespace$0() {
  	      return this.expectWhitespace$1$consumeNewlines(false);
  	    },
  	    silentComment$0() {
  	      var t2, t3,
  	        t1 = this.scanner;
  	      t1.expect$1("//");
  	      t2 = t1.string.length;
  	      for (;;) {
  	        if (t1._string_scanner$_position !== t2) {
  	          t3 = t1.peekChar$0();
  	          t3 = !(t3 === 10 || t3 === 13 || t3 === 12);
  	        } else
  	          t3 = false;
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	      return true;
  	    },
  	    loudComment$0() {
  	      var next,
  	        t1 = this.scanner;
  	      t1.expect$1("/*");
  	      for (;;) {
  	        if (t1.readChar$0() !== 42)
  	          continue;
  	        do
  	          next = t1.readChar$0();
  	        while (next === 42);
  	        if (next === 47)
  	          break;
  	      }
  	    },
  	    identifier$2$normalize$unit(normalize, unit) {
  	      var t2, _0_0, _this = this,
  	        _s20_ = "Expected identifier.",
  	        text = new A.StringBuffer(""),
  	        t1 = _this.scanner;
  	      if (t1.scanChar$1(45)) {
  	        t2 = text._contents = A.Primitives_stringFromCharCode(45);
  	        if (t1.scanChar$1(45)) {
  	          text._contents = t2 + t2;
  	          _this._parser1$_identifierBody$3$normalize$unit(text, normalize, unit);
  	          t1 = text._contents;
  	          return t1.charCodeAt(0) == 0 ? t1 : t1;
  	        }
  	      } else
  	        t2 = "";
  	      $label0$0: {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (95 === _0_0 && normalize) {
  	          t1.readChar$0();
  	          text._contents = t2 + A.Primitives_stringFromCharCode(45);
  	          break $label0$0;
  	        }
  	        if (_0_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_0_0) || _0_0 >= 128) {
  	          text._contents = t2 + A.Primitives_stringFromCharCode(t1.readChar$0());
  	          break $label0$0;
  	        }
  	        if (92 === _0_0) {
  	          text._contents = t2 + _this.escape$1$identifierStart(true);
  	          break $label0$0;
  	        }
  	        t1.error$1(0, _s20_);
  	      }
  	      _this._parser1$_identifierBody$3$normalize$unit(text, normalize, unit);
  	      t1 = text._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    identifier$0() {
  	      return this.identifier$2$normalize$unit(false, false);
  	    },
  	    identifier$1$normalize(normalize) {
  	      return this.identifier$2$normalize$unit(normalize, false);
  	    },
  	    identifier$1$unit(unit) {
  	      return this.identifier$2$normalize$unit(false, unit);
  	    },
  	    _parser1$_identifierBody$3$normalize$unit(text, normalize, unit) {
  	      var t1, _1_0, _0_0, t2;
  	      for (t1 = this.scanner;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        if (45 === _1_0 && unit) {
  	          _0_0 = t1.peekChar$1(1);
  	          if (46 !== _0_0)
  	            t2 = A._isInt(_0_0) && _0_0 >= 48 && _0_0 <= 57;
  	          else
  	            t2 = true;
  	          if (t2)
  	            break;
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (95 === _1_0 && normalize) {
  	          t1.readChar$0();
  	          t2 = A.Primitives_stringFromCharCode(45);
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (_1_0 !== 95) {
  	          if (!(_1_0 >= 97 && _1_0 <= 122))
  	            t2 = _1_0 >= 65 && _1_0 <= 90;
  	          else
  	            t2 = true;
  	          t2 = t2 || _1_0 >= 128;
  	        } else
  	          t2 = true;
  	        if (!t2)
  	          t2 = _1_0 >= 48 && _1_0 <= 57 || _1_0 === 45;
  	        else
  	          t2 = true;
  	        if (t2) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          text._contents += t2;
  	          continue;
  	        }
  	        if (92 === _1_0) {
  	          t2 = this.escape$0();
  	          text._contents += t2;
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    _parser1$_identifierBody$1(text) {
  	      return this._parser1$_identifierBody$3$normalize$unit(text, false, false);
  	    },
  	    string$0() {
  	      var buffer, _0_0, t2,
  	        t1 = this.scanner,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t1._string_scanner$_position - 1);
  	      buffer = new A.StringBuffer("");
  	      for (;;) {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 === quote) {
  	          t1.readChar$0();
  	          break;
  	        }
  	        if (_0_0 == null || _0_0 === 10 || _0_0 === 13 || _0_0 === 12)
  	          t1.error$1(0, "Expected " + A.Primitives_stringFromCharCode(quote) + ".");
  	        if (92 === _0_0) {
  	          t2 = t1.peekChar$1(1);
  	          if (t2 === 10 || t2 === 13 || t2 === 12) {
  	            t1.readChar$0();
  	            t1.readChar$0();
  	          } else {
  	            t2 = A.Primitives_stringFromCharCode(A.consumeEscapedCharacter0(t1));
  	            buffer._contents += t2;
  	          }
  	          continue;
  	        }
  	        t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        buffer._contents += t2;
  	      }
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    declarationValue$1$allowEmpty(allowEmpty) {
  	      var t1, t2, t3, wroteNewline, next, wroteNewline0, t4, start, end, _0_0, _this = this,
  	        buffer = new A.StringBuffer(""),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t1 = _this.scanner, t2 = _this.get$loudComment(), t3 = _this.get$string(), wroteNewline = false;;) {
  	        next = t1.peekChar$0();
  	        if (next == null)
  	          break;
  	        wroteNewline0 = false;
  	        if (92 === next) {
  	          t4 = _this.escape$1$identifierStart(true);
  	          buffer._contents += t4;
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (34 === next || 39 === next) {
  	          start = t1._string_scanner$_position;
  	          t3.call$0();
  	          end = t1._string_scanner$_position;
  	          buffer._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (47 === next) {
  	          if (t1.peekChar$1(1) === 42) {
  	            start = t1._string_scanner$_position;
  	            t2.call$0();
  	            end = t1._string_scanner$_position;
  	            buffer._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          } else {
  	            t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            buffer._contents += t4;
  	          }
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (32 === next || 9 === next) {
  	          if (!wroteNewline) {
  	            t4 = t1.peekChar$1(1);
  	            t4 = !(t4 === 32 || t4 === 9 || t4 === 10 || t4 === 13 || t4 === 12);
  	          } else
  	            t4 = true;
  	          if (t4) {
  	            t4 = A.Primitives_stringFromCharCode(32);
  	            buffer._contents += t4;
  	          }
  	          t1.readChar$0();
  	          continue;
  	        }
  	        if (10 === next || 13 === next || 12 === next) {
  	          t4 = t1.peekChar$1(-1);
  	          if (!(t4 === 10 || t4 === 13 || t4 === 12))
  	            buffer._contents += "\n";
  	          t1.readChar$0();
  	          wroteNewline = true;
  	          continue;
  	        }
  	        if (40 === next || 123 === next || 91 === next) {
  	          t4 = A.Primitives_stringFromCharCode(next);
  	          buffer._contents += t4;
  	          brackets.push(A.opposite0(t1.readChar$0()));
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (41 === next || 125 === next || 93 === next) {
  	          if (brackets.length === 0)
  	            break;
  	          t4 = A.Primitives_stringFromCharCode(next);
  	          buffer._contents += t4;
  	          t1.expectChar$1(brackets.pop());
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (59 === next) {
  	          if (brackets.length === 0)
  	            break;
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t4;
  	          continue;
  	        }
  	        if (117 === next || 85 === next) {
  	          _0_0 = _this.tryUrl$0();
  	          if (_0_0 != null)
  	            buffer._contents += _0_0;
  	          else {
  	            t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            buffer._contents += t4;
  	          }
  	          wroteNewline = wroteNewline0;
  	          continue;
  	        }
  	        if (_this.lookingAtIdentifier$0()) {
  	          t4 = _this.identifier$0();
  	          buffer._contents += t4;
  	        } else {
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t4;
  	        }
  	        wroteNewline = wroteNewline0;
  	      }
  	      if (brackets.length !== 0)
  	        t1.expectChar$1(B.JSArray_methods.get$last(brackets));
  	      if (!allowEmpty && buffer._contents.length === 0)
  	        t1.error$1(0, "Expected token.");
  	      t1 = buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    declarationValue$0() {
  	      return this.declarationValue$1$allowEmpty(false);
  	    },
  	    tryUrl$0() {
  	      var buffer, _0_0, t2, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (!_this.scanIdentifier$1("url"))
  	        return null;
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      buffer = new A.StringBuffer("");
  	      buffer._contents = "url(";
  	      for (;;) {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          break;
  	        if (92 === _0_0) {
  	          t2 = _this.escape$0();
  	          buffer._contents += t2;
  	          continue;
  	        }
  	        t2 = true;
  	        if (37 !== _0_0)
  	          if (38 !== _0_0)
  	            if (35 !== _0_0)
  	              t2 = _0_0 >= 42 && _0_0 <= 126 || _0_0 >= 128;
  	        if (t2) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          buffer._contents += t2;
  	          continue;
  	        }
  	        if (_0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (t1.peekChar$0() !== 41)
  	            break;
  	          continue;
  	        }
  	        if (41 === _0_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2 = buffer._contents += t2;
  	          return t2.charCodeAt(0) == 0 ? t2 : t2;
  	        }
  	        break;
  	      }
  	      t1.set$state(start);
  	      return null;
  	    },
  	    variableName$0() {
  	      this.scanner.expectChar$1(36);
  	      return this.identifier$1$normalize(true);
  	    },
  	    escape$1$identifierStart(identifierStart) {
  	      var value, _0_0, i, next, t2, _s25_ = "Expected escape sequence.",
  	        t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      t1.expectChar$1(92);
  	      value = 0;
  	      $label0$1: {
  	        _0_0 = t1.peekChar$0();
  	        if (_0_0 == null)
  	          t1.error$1(0, _s25_);
  	        if (_0_0 === 10 || _0_0 === 13 || _0_0 === 12)
  	          t1.error$1(0, _s25_);
  	        if (A.CharacterExtension_get_isHex0(_0_0)) {
  	          for (i = 0; i < 6; ++i) {
  	            next = t1.peekChar$0();
  	            if (next != null) {
  	              t2 = true;
  	              if (!(next >= 48 && next <= 57))
  	                if (!(next >= 97 && next <= 102))
  	                  t2 = next >= 65 && next <= 70;
  	              t2 = !t2;
  	            } else
  	              t2 = true;
  	            if (t2)
  	              break;
  	            value *= 16;
  	            value += A.asHex0(t1.readChar$0());
  	          }
  	          this.scanCharIf$1(new A.Parser_escape_closure0());
  	          break $label0$1;
  	        }
  	        value = t1.readChar$0();
  	      }
  	      if (identifierStart) {
  	        t2 = value;
  	        t2 = t2 === 95 || A.CharacterExtension_get_isAlphabetic0(t2) || t2 >= 128;
  	      } else {
  	        t2 = value;
  	        if (!(t2 === 95 || A.CharacterExtension_get_isAlphabetic0(t2) || t2 >= 128))
  	          t2 = t2 >= 48 && t2 <= 57 || t2 === 45;
  	        else
  	          t2 = true;
  	      }
  	      if (t2)
  	        try {
  	          t2 = A.Primitives_stringFromCharCode(value);
  	          return t2;
  	        } catch (exception) {
  	          if (type$.RangeError._is(A.unwrapException(exception)))
  	            t1.error$3$length$position(0, "Invalid Unicode code point.", t1._string_scanner$_position - start, start);
  	          else
  	            throw exception;
  	        }
  	      else {
  	        t1 = true;
  	        if (!(value <= 31))
  	          if (!J.$eq$(value, 127))
  	            if (identifierStart) {
  	              t1 = value;
  	              t1 = t1 >= 48 && t1 <= 57;
  	            } else
  	              t1 = false;
  	        if (t1) {
  	          t1 = A.Primitives_stringFromCharCode(92);
  	          if (value > 15)
  	            t1 += A.Primitives_stringFromCharCode(A.hexCharFor0(B.JSNumber_methods._shrOtherPositive$1(value, 4)));
  	          t1 = t1 + A.Primitives_stringFromCharCode(A.hexCharFor0(value & 15)) + A.Primitives_stringFromCharCode(32);
  	          return t1.charCodeAt(0) == 0 ? t1 : t1;
  	        } else
  	          return A.String_String$fromCharCodes(A._setArrayType([92, value], type$.JSArray_int), 0, null);
  	      }
  	    },
  	    escape$0() {
  	      return this.escape$1$identifierStart(false);
  	    },
  	    scanCharIf$1(condition) {
  	      var t1 = this.scanner;
  	      if (!condition.call$1(t1.peekChar$0()))
  	        return false;
  	      t1.readChar$0();
  	      return true;
  	    },
  	    scanIdentChar$2$caseSensitive(char, caseSensitive) {
  	      var t3,
  	        t1 = new A.Parser_scanIdentChar_matches0(caseSensitive, char),
  	        t2 = this.scanner,
  	        _0_0 = t2.peekChar$0();
  	      if (_0_0 != null)
  	        t3 = t1.call$1(_0_0);
  	      else
  	        t3 = false;
  	      if (t3) {
  	        t2.readChar$0();
  	        return true;
  	      }
  	      if (92 === _0_0) {
  	        t3 = t2._string_scanner$_position;
  	        if (t1.call$1(A.consumeEscapedCharacter0(t2)))
  	          return true;
  	        t2.set$state(new A._SpanScannerState(t2, t3));
  	      }
  	      return false;
  	    },
  	    scanIdentChar$1(char) {
  	      return this.scanIdentChar$2$caseSensitive(char, false);
  	    },
  	    expectIdentChar$1(letter) {
  	      var t1;
  	      if (this.scanIdentChar$2$caseSensitive(letter, false))
  	        return;
  	      t1 = this.scanner;
  	      t1.error$2$position(0, 'Expected "' + A.Primitives_stringFromCharCode(letter) + '".', t1._string_scanner$_position);
  	    },
  	    lookingAtIdentifier$1($forward) {
  	      var t1, _1_0, t2, _0_0;
  	      if ($forward == null)
  	        $forward = 0;
  	      t1 = this.scanner;
  	      _1_0 = t1.peekChar$1($forward);
  	      $label0$0: {
  	        if (A._isInt(_1_0))
  	          t2 = _1_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_1_0) || _1_0 >= 128;
  	        else
  	          t2 = false;
  	        if (t2 || 92 === _1_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (45 === _1_0) {
  	          _0_0 = t1.peekChar$1($forward + 1);
  	          $label1$1: {
  	            if (A._isInt(_0_0))
  	              t1 = _0_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_0_0) || _0_0 >= 128;
  	            else
  	              t1 = false;
  	            t1 = t1 || 92 === _0_0 || 45 === _0_0;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    lookingAtIdentifier$0() {
  	      return this.lookingAtIdentifier$1(null);
  	    },
  	    lookingAtIdentifierBody$0() {
  	      var t1,
  	        next = this.scanner.peekChar$0();
  	      if (next != null) {
  	        if (!(next === 95 || A.CharacterExtension_get_isAlphabetic0(next) || next >= 128))
  	          t1 = next >= 48 && next <= 57 || next === 45;
  	        else
  	          t1 = true;
  	        t1 = t1 || next === 92;
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    scanIdentifier$2$caseSensitive(text, caseSensitive) {
  	      var t1, t2, _this = this;
  	      if (!_this.lookingAtIdentifier$0())
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      if (_this._parser1$_consumeIdentifier$2(text, caseSensitive) && !_this.lookingAtIdentifierBody$0())
  	        return true;
  	      else {
  	        t1.set$state(new A._SpanScannerState(t1, t2));
  	        return false;
  	      }
  	    },
  	    scanIdentifier$1(text) {
  	      return this.scanIdentifier$2$caseSensitive(text, false);
  	    },
  	    _parser1$_consumeIdentifier$2(text, caseSensitive) {
  	      var t1, t2, t3;
  	      for (t1 = new A.CodeUnits(text), t2 = type$.CodeUnits, t1 = new A.ListIterator(t1, t1.get$length(0), t2._eval$1("ListIterator<ListBase.E>")), t2 = t2._eval$1("ListBase.E"); t1.moveNext$0();) {
  	        t3 = t1.__internal$_current;
  	        if (!this.scanIdentChar$2$caseSensitive(t3 == null ? t2._as(t3) : t3, caseSensitive))
  	          return false;
  	      }
  	      return true;
  	    },
  	    expectIdentifier$2$name(text, $name) {
  	      var t1, start, t2, t3, t4, t5, t6;
  	      if ($name == null)
  	        $name = '"' + text + '"';
  	      t1 = this.scanner;
  	      start = t1._string_scanner$_position;
  	      for (t2 = new A.CodeUnits(text), t3 = type$.CodeUnits, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t4 = "Expected " + $name, t5 = t4 + ".", t3 = t3._eval$1("ListBase.E"); t2.moveNext$0();) {
  	        t6 = t2.__internal$_current;
  	        if (this.scanIdentChar$2$caseSensitive(t6 == null ? t3._as(t6) : t6, false))
  	          continue;
  	        t1.error$2$position(0, t5, start);
  	      }
  	      if (!this.lookingAtIdentifierBody$0())
  	        return;
  	      t1.error$2$position(0, t4, start);
  	    },
  	    expectIdentifier$1(text) {
  	      return this.expectIdentifier$2$name(text, null);
  	    },
  	    rawText$1(consumer) {
  	      var t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      consumer.call$0();
  	      return t1.substring$1(0, start);
  	    },
  	    spanFrom$2(start, end) {
  	      var span = this.scanner.spanFrom$2(start, end);
  	      return this._parser1$_interpolationMap == null ? span : new A.LazyFileSpan0(new A.Parser_spanFrom_closure0(this, span));
  	    },
  	    spanFrom$1(start) {
  	      return this.spanFrom$2(start, null);
  	    },
  	    spanFromPosition$2(start, end) {
  	      var span = this.scanner.spanFromPosition$2(start, end);
  	      return this._parser1$_interpolationMap == null ? span : new A.LazyFileSpan0(new A.Parser_spanFromPosition_closure0(this, span));
  	    },
  	    spanFromPosition$1(start) {
  	      return this.spanFromPosition$2(start, null);
  	    },
  	    error$3(_, message, span, trace) {
  	      var exception = new A.StringScannerException(this.scanner.string, message, span);
  	      if (trace == null)
  	        throw A.wrapException(exception);
  	      else
  	        A.throwWithTrace0(exception, this.get$error(this), trace);
  	    },
  	    error$2(_, message, span) {
  	      return this.error$3(0, message, span, null);
  	    },
  	    withErrorMessage$1$2(message, callback) {
  	      var error, stackTrace, t1;
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.SourceSpanFormatException._is(t1)) {
  	          error = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          t1 = J.get$span$x(error);
  	          A.throwWithTrace0(new A.SourceSpanFormatException(error.get$source(), message, t1), error, stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    withErrorMessage$2(message, callback) {
  	      return this.withErrorMessage$1$2(message, callback, type$.dynamic);
  	    },
  	    wrapSpanFormatException$1$1(callback) {
  	      var error, stackTrace, map, mapped, error0, stackTrace0, span, secondarySpans, t1, t2, span0, description, _0_0, error1, stackTrace1, span1, t3, t4, _this = this,
  	        _s8_ = "expected";
  	      try {
  	        try {
  	          t3 = callback.call$0();
  	          return t3;
  	        } catch (exception) {
  	          t3 = A.unwrapException(exception);
  	          if (type$.SourceSpanFormatException._is(t3)) {
  	            error = t3;
  	            stackTrace = A.getTraceFromException(exception);
  	            map = _this._parser1$_interpolationMap;
  	            if (map == null)
  	              throw exception;
  	            mapped = map.mapException$1(error);
  	            t3 = mapped;
  	            t4 = error;
  	            if (t3 == null ? t4 == null : t3 === t4)
  	              throw exception;
  	            A.throwWithTrace0(mapped, error, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      } catch (exception) {
  	        t3 = A.unwrapException(exception);
  	        if (type$.MultiSourceSpanFormatException._is(t3)) {
  	          error0 = t3;
  	          stackTrace0 = A.getTraceFromException(exception);
  	          span = J.get$span$x(error0);
  	          t3 = type$.FileSpan;
  	          t4 = type$.String;
  	          secondarySpans = error0.get$secondarySpans().cast$2$0(0, t3, t4);
  	          if (A.startsWithIgnoreCase0(error0._span_exception$_message, _s8_)) {
  	            span = _this._parser1$_adjustExceptionSpan$1(span);
  	            t1 = A.LinkedHashMap_LinkedHashMap$_empty(t3, t4);
  	            for (t3 = A.MapExtensions_get_pairs0(secondarySpans, t3, t4), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
  	              t2 = t3.get$current(t3);
  	              span0 = null;
  	              description = null;
  	              _0_0 = t2;
  	              span0 = _0_0._0;
  	              description = _0_0._1;
  	              J.$indexSet$ax(t1, _this._parser1$_adjustExceptionSpan$1(span0), description);
  	            }
  	            secondarySpans = t1;
  	          }
  	          A.throwWithTrace0(A.MultiSpanSassFormatException$0(error0._span_exception$_message, span, error0.get$primaryLabel(), secondarySpans, null), error0, stackTrace0);
  	        } else if (type$.SourceSpanFormatException._is(t3)) {
  	          error1 = t3;
  	          stackTrace1 = A.getTraceFromException(exception);
  	          span1 = J.get$span$x(error1);
  	          if (A.startsWithIgnoreCase0(error1._span_exception$_message, _s8_))
  	            span1 = _this._parser1$_adjustExceptionSpan$1(span1);
  	          t1 = error1._span_exception$_message;
  	          t2 = span1;
  	          A.throwWithTrace0(new A.SassFormatException0(B.Set_empty, t1, t2), error1, stackTrace1);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    wrapSpanFormatException$1(callback) {
  	      return this.wrapSpanFormatException$1$1(callback, type$.dynamic);
  	    },
  	    _parser1$_adjustExceptionSpan$1(span) {
  	      var start, t1;
  	      if (span.get$length(span) > 0)
  	        return span;
  	      start = this._parser1$_firstNewlineBefore$1(span.get$start(span));
  	      if (start.$eq(0, span.get$start(span)))
  	        t1 = span;
  	      else {
  	        t1 = start.offset;
  	        t1 = A._FileSpan$(start.file, t1, t1);
  	      }
  	      return t1;
  	    },
  	    _parser1$_firstNewlineBefore$1($location) {
  	      var lastNewline, codeUnit,
  	        t1 = $location.file,
  	        t2 = $location.offset,
  	        text = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1._decodedChars, 0, t2), 0, null),
  	        index = t2 - 1;
  	      for (lastNewline = null; index >= 0;) {
  	        codeUnit = text.charCodeAt(index);
  	        if (!(codeUnit === 32 || codeUnit === 9 || codeUnit === 10 || codeUnit === 13 || codeUnit === 12)) {
  	          if (lastNewline == null)
  	            t1 = $location;
  	          else {
  	            t2 = new A.FileLocation(t1, lastNewline);
  	            t2.FileLocation$_$2(t1, lastNewline);
  	            t1 = t2;
  	          }
  	          return t1;
  	        }
  	        if (codeUnit === 10 || codeUnit === 13 || codeUnit === 12)
  	          lastNewline = index;
  	        --index;
  	      }
  	      return $location;
  	    }
  	  };
  	  A.Parser__parseIdentifier_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        result = t1.identifier$0();
  	      t1.scanner.expectDone$0();
  	      return result;
  	    },
  	    $signature: 29
  	  };
  	  A.Parser_escape_closure0.prototype = {
  	    call$1(char) {
  	      return char === 32 || char === 9 || char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.Parser_scanIdentChar_matches0.prototype = {
  	    call$1(actual) {
  	      var t1 = this.char;
  	      return this.caseSensitive ? actual === t1 : A.characterEqualsIgnoreCase0(t1, actual);
  	    },
  	    $signature: 50
  	  };
  	  A.Parser_spanFrom_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this._parser1$_interpolationMap;
  	      if (t1 == null)
  	        t1 = type$.InterpolationMap_2._as(t1);
  	      return t1.mapSpan$1(this.span);
  	    },
  	    $signature: 16
  	  };
  	  A.Parser_spanFromPosition_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this._parser1$_interpolationMap;
  	      if (t1 == null)
  	        t1 = type$.InterpolationMap_2._as(t1);
  	      return t1.mapSpan$1(this.span);
  	    },
  	    $signature: 16
  	  };
  	  A.InterpolatedPlaceholderSelector.prototype = {
  	    get$span(_) {
  	      var t1 = this.name.span;
  	      return t1.get$file(t1).span$2(0, t1.get$start(t1).offset - 1, t1.get$end(t1).offset);
  	    },
  	    accept$1$1(visitor) {
  	      return J.visitPlaceholderSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "%" + this.name.toString$0(0);
  	    }
  	  };
  	  A.PlaceholderSelector0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitPlaceholderSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      return new A.PlaceholderSelector0(this.name + suffix, this.span);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PlaceholderSelector0 && other.name === this.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    }
  	  };
  	  A.PlainCssCallable0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PlainCssCallable0 && this.name === other.name;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name);
  	    },
  	    $isAsyncCallable0: 1,
  	    $isCallable: 1,
  	    get$name(receiver) {
  	      return this.name;
  	    }
  	  };
  	  A.PrefixedMapView0.prototype = {
  	    get$keys(_) {
  	      return new A._PrefixedKeys0(this);
  	    },
  	    get$length(_) {
  	      var t1 = this._prefixed_map_view0$_map;
  	      return t1.get$length(t1);
  	    },
  	    get$isEmpty(_) {
  	      var t1 = this._prefixed_map_view0$_map;
  	      return t1.get$isEmpty(t1);
  	    },
  	    get$isNotEmpty(_) {
  	      var t1 = this._prefixed_map_view0$_map;
  	      return t1.get$isNotEmpty(t1);
  	    },
  	    $index(_, key) {
  	      return typeof key == "string" && B.JSString_methods.startsWith$1(key, this._prefixed_map_view0$_prefix) ? this._prefixed_map_view0$_map.$index(0, B.JSString_methods.substring$1(key, this._prefixed_map_view0$_prefix.length)) : null;
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && B.JSString_methods.startsWith$1(key, this._prefixed_map_view0$_prefix) && this._prefixed_map_view0$_map.containsKey$1(B.JSString_methods.substring$1(key, this._prefixed_map_view0$_prefix.length));
  	    }
  	  };
  	  A._PrefixedKeys0.prototype = {
  	    get$length(_) {
  	      var t1 = this._prefixed_map_view0$_view._prefixed_map_view0$_map;
  	      return t1.get$length(t1);
  	    },
  	    get$iterator(_) {
  	      var t1 = this._prefixed_map_view0$_view._prefixed_map_view0$_map;
  	      t1 = t1.get$keys(t1);
  	      t1 = t1.map$1$1(t1, new A._PrefixedKeys_iterator_closure0(this), type$.String);
  	      return t1.get$iterator(t1);
  	    },
  	    contains$1(_, key) {
  	      return this._prefixed_map_view0$_view.containsKey$1(key);
  	    }
  	  };
  	  A._PrefixedKeys_iterator_closure0.prototype = {
  	    call$1(key) {
  	      return this.$this._prefixed_map_view0$_view._prefixed_map_view0$_prefix + key;
  	    },
  	    $signature: 6
  	  };
  	  A.ProphotoRgbColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs <= 0.03125 ? channel / 16 : J.get$sign$in(channel) * Math.pow(abs, 1.8);
  	    },
  	    fromLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs >= 0.001953125 ? J.get$sign$in(channel) * Math.pow(abs, 0.5555555555555556) : 16 * channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearProphotoRgbToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearProphotoRgbToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearProphotoRgbToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.InterpolatedPseudoSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return J.visitPseudoSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t2, _1_0, _this = this,
  	        t1 = _this.isSyntacticClass ? ":" : "::",
  	        result = t1 + _this.name.toString$0(0);
  	      t1 = _this.argument;
  	      t2 = t1 == null;
  	      if (!t2 || _this.selector != null) {
  	        result += "(";
  	        if (!t2) {
  	          result += t1.toString$0(0);
  	          if (_this.selector != null)
  	            result += " ";
  	        }
  	        _1_0 = _this.selector;
  	        result = (_1_0 != null ? result + B.JSArray_methods.join$1(_1_0.components, ", ") : result) + ")";
  	      }
  	      return result;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.PseudoSelector0.prototype = {
  	    get$isHostContext() {
  	      return this.isClass && this.name === "host-context" && this.selector != null;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      return !this.isClass || this.selector != null;
  	    },
  	    get$specificity() {
  	      var result, _this = this,
  	        value = _this._pseudo$__PseudoSelector_specificity_FI;
  	      if (value === $) {
  	        result = new A.PseudoSelector_specificity_closure0(_this).call$0();
  	        _this._pseudo$__PseudoSelector_specificity_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._pseudo$__PseudoSelector_specificity_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    withSelector$1(selector) {
  	      var _this = this;
  	      return A.PseudoSelector$0(_this.name, _this.span, _this.argument, !_this.isClass, selector);
  	    },
  	    addSuffix$1(suffix) {
  	      var _this = this;
  	      if (_this.argument != null || _this.selector != null)
  	        _this.super$SimpleSelector$addSuffix0(suffix);
  	      return A.PseudoSelector$0(_this.name + suffix, _this.span, null, !_this.isClass, null);
  	    },
  	    unify$1(compound) {
  	      var other, result, t2, addedThis, _i, simple, _this = this,
  	        t1 = _this.name;
  	      if (t1 === "host" || t1 === "host-context") {
  	        if (!B.JSArray_methods.every$1(compound, new A.PseudoSelector_unify_closure0()))
  	          return null;
  	      } else {
  	        t1 = false;
  	        if (compound.length === 1) {
  	          other = compound[0];
  	          if (!(other instanceof A.UniversalSelector0)) {
  	            if (other instanceof A.PseudoSelector0)
  	              t1 = other.isClass && other.name === "host" || other.get$isHostContext();
  	          } else
  	            t1 = true;
  	        } else
  	          other = null;
  	        if (t1)
  	          return other.unify$1(A._setArrayType([_this], type$.JSArray_SimpleSelector_2));
  	      }
  	      if (B.JSArray_methods.contains$1(compound, _this))
  	        return compound;
  	      result = A._setArrayType([], type$.JSArray_SimpleSelector_2);
  	      for (t1 = compound.length, t2 = !_this.isClass, addedThis = false, _i = 0; _i < compound.length; compound.length === t1 || (0, A.throwConcurrentModificationError)(compound), ++_i) {
  	        simple = compound[_i];
  	        if (simple instanceof A.PseudoSelector0 && !simple.isClass) {
  	          if (t2)
  	            return null;
  	          result.push(_this);
  	          addedThis = true;
  	        }
  	        result.push(simple);
  	      }
  	      if (!addedThis)
  	        result.push(_this);
  	      return result;
  	    },
  	    isSuperselector$1(other) {
  	      var selector, t1, t2, _this = this;
  	      if (_this.super$SimpleSelector$isSuperselector0(other))
  	        return true;
  	      selector = _this.selector;
  	      if (selector == null)
  	        return _this.$eq(0, other);
  	      if (other instanceof A.PseudoSelector0 && !_this.isClass && !other.isClass && _this.normalizedName === "slotted" && other.name === _this.name) {
  	        t1 = A.NullableExtension_andThen0(other.selector, selector.get$isSuperselector());
  	        return t1 == null ? false : t1;
  	      }
  	      t1 = type$.JSArray_SimpleSelector_2;
  	      t2 = _this.span;
  	      return A.compoundIsSuperselector0(A.CompoundSelector$0(A._setArrayType([_this], t1), t2), A.CompoundSelector$0(A._setArrayType([other], t1), t2), null);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitPseudoSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    $eq(_, other) {
  	      var _this = this;
  	      if (other == null)
  	        return false;
  	      return other instanceof A.PseudoSelector0 && other.name === _this.name && other.isClass === _this.isClass && other.argument == _this.argument && J.$eq$(other.selector, _this.selector);
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = B.JSString_methods.get$hashCode(_this.name),
  	        t2 = !_this.isClass ? 519018 : 218159;
  	      return t1 ^ t2 ^ J.get$hashCode$(_this.argument) ^ J.get$hashCode$(_this.selector);
  	    }
  	  };
  	  A.PseudoSelector_specificity_closure0.prototype = {
  	    call$0() {
  	      var selector, t2,
  	        t1 = this.$this;
  	      if (!t1.isClass)
  	        return 1;
  	      selector = t1.selector;
  	      if (selector == null)
  	        return A.SimpleSelector0.prototype.get$specificity.call(t1);
  	      switch (t1.normalizedName) {
  	        case "where":
  	          return 0;
  	        case "is":
  	        case "not":
  	        case "has":
  	        case "matches":
  	          t1 = selector.components;
  	          return A.IterableIntegerExtension_get_max(new A.MappedListIterable(t1, new A.PseudoSelector_specificity__closure1(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,int>")));
  	        case "nth-child":
  	        case "nth-last-child":
  	          t1 = A.SimpleSelector0.prototype.get$specificity.call(t1);
  	          t2 = selector.components;
  	          return t1 + A.IterableIntegerExtension_get_max(new A.MappedListIterable(t2, new A.PseudoSelector_specificity__closure2(), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,int>")));
  	        default:
  	          return A.SimpleSelector0.prototype.get$specificity.call(t1);
  	      }
  	    },
  	    $signature: 10
  	  };
  	  A.PseudoSelector_specificity__closure1.prototype = {
  	    call$1(component) {
  	      return component.get$specificity();
  	    },
  	    $signature: 261
  	  };
  	  A.PseudoSelector_specificity__closure2.prototype = {
  	    call$1(component) {
  	      return component.get$specificity();
  	    },
  	    $signature: 261
  	  };
  	  A.PseudoSelector_unify_closure0.prototype = {
  	    call$1(simple) {
  	      var t1;
  	      if (simple instanceof A.PseudoSelector0)
  	        t1 = simple.isClass && simple.name === "host" || simple.selector != null;
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    $signature: 15
  	  };
  	  A.PublicMemberMapView0.prototype = {
  	    get$keys(_) {
  	      var t1 = this._public_member_map_view0$_inner;
  	      t1 = t1.get$keys(t1);
  	      return t1.where$1(t1, A.utils1__isPublic$closure());
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && A.isPublic0(key) && this._public_member_map_view0$_inner.containsKey$1(key);
  	    },
  	    $index(_, key) {
  	      if (typeof key == "string" && A.isPublic0(key))
  	        return this._public_member_map_view0$_inner.$index(0, key);
  	      return null;
  	    }
  	  };
  	  A.InterpolatedQualifiedName.prototype = {
  	    toString$0(_) {
  	      var t1,
  	        _0_0 = this.namespace;
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.toString$0(0) + "|" + this.name.toString$0(0);
  	          break $label0$0;
  	        }
  	        t1 = this.name.toString$0(0);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.QualifiedName0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.QualifiedName0 && other.name === this.name && other.namespace == this.namespace;
  	    },
  	    get$hashCode(_) {
  	      return B.JSString_methods.get$hashCode(this.name) ^ J.get$hashCode$(this.namespace);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace,
  	        t2 = this.name;
  	      return t1 == null ? t2 : t1 + "|" + t2;
  	    }
  	  };
  	  A.Rec2020ColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    toLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs < 0.08124285829863151 ? channel / 4.5 : J.get$sign$in(channel) * Math.pow((abs + 1.09929682680944 - 1) / 1.09929682680944, 2.2222222222222223);
  	    },
  	    fromLinear$1(channel) {
  	      var abs = Math.abs(channel);
  	      return abs > 0.018053968510807 ? J.get$sign$in(channel) * (1.09929682680944 * Math.pow(abs, 0.45) - 0.09929682680944008) : 4.5 * channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$linearRec2020ToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearRec2020ToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$linearRec2020ToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearRec2020ToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearRec2020ToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearRec2020ToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearRec2020ToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.JSClass0.prototype = {};
  	  A.JSClassExtension_setCustomInspect_closure.prototype = {
  	    call$4($self, _, __, ___) {
  	      return this.inspect.call$1($self);
  	    },
  	    call$3($self, _, __) {
  	      return this.call$4($self, _, __, null);
  	    },
  	    "call*": "call$4",
  	    $requiredArgCount: 3,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 585
  	  };
  	  A.JSClassExtension_get_defineStaticMethod_closure.prototype = {
  	    call$2($name, body) {
  	      this._this[$name] = A.allowInteropNamed($name, body);
  	      return null;
  	    },
  	    $signature: 135
  	  };
  	  A.JSClassExtension_get_defineMethod_closure.prototype = {
  	    call$2($name, body) {
  	      J.get$$prototype$x(this._this)[$name] = A.allowInteropCaptureThisNamed($name, body);
  	      return null;
  	    },
  	    $signature: 135
  	  };
  	  A.JSClassExtension_get_defineGetter_closure.prototype = {
  	    call$2($name, body) {
  	      A.defineGetter(J.get$$prototype$x(this._this), $name, body, null);
  	      return null;
  	    },
  	    $signature: 135
  	  };
  	  A.RenderContext0.prototype = {};
  	  A.RenderContextOptions0.prototype = {};
  	  A.RenderContextResult0.prototype = {};
  	  A.RenderContextResultStats0.prototype = {};
  	  A.RenderOptions.prototype = {};
  	  A.RenderResult.prototype = {};
  	  A.RenderResultStats.prototype = {};
  	  A.ReplaceExpressionVisitor0.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return new A.BinaryOperationExpression0(node.operator, node.left.accept$1(this), node.right.accept$1(this), false);
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return node;
  	    },
  	    visitColorExpression$1(_, node) {
  	      return node;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      var t1 = node.originalName,
  	        t2 = this.visitArgumentList$1(node.$arguments);
  	      return new A.FunctionExpression0(node.namespace, A.stringReplaceAllUnchecked(t1, "_", "-"), t1, t2, node.span);
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      return new A.InterpolatedFunctionExpression0(this.visitInterpolation$1(node.name), this.visitArgumentList$1(node.$arguments), node.span);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return new A.LegacyIfExpression0(this.visitArgumentList$1(node.$arguments), node.span);
  	    },
  	    visitListExpression$1(_, node) {
  	      var t1 = node.contents;
  	      return new A.ListExpression0(A.List_List$unmodifiable(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitListExpression_closure0(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Expression0>")), type$.Expression_2), node.separator, node.hasBrackets, node.span);
  	    },
  	    visitMapExpression$1(_, node) {
  	      var t2, t3, _i, t4,
  	        t1 = A._setArrayType([], type$.JSArray_Record_2_Expression_and_Expression_2);
  	      for (t2 = node.pairs, t3 = t2.length, _i = 0; _i < t3; ++_i) {
  	        t4 = t2[_i];
  	        t1.push(new A._Record_2(t4._0.accept$1(this), t4._1.accept$1(this)));
  	      }
  	      return new A.MapExpression0(A.List_List$unmodifiable(t1, type$.Record_2_Expression_and_Expression_2), node.span);
  	    },
  	    visitNullExpression$1(_, node) {
  	      return node;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      return node;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return new A.ParenthesizedExpression0(node.expression.accept$1(this), node.span);
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return node;
  	    },
  	    visitStringExpression$1(_, node) {
  	      return new A.StringExpression0(this.visitInterpolation$1(node.text), node.hasQuotes);
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return new A.SupportsExpression0(this.visitSupportsCondition$1(node.condition));
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return new A.UnaryOperationExpression0(node.operator, node.operand.accept$1(this), node.span);
  	    },
  	    visitValueExpression$1(_, node) {
  	      return node;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return node;
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      return new A.IfConditionParenthesized0(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      return new A.IfConditionNegation0(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      var t1 = node.expressions;
  	      return A.IfConditionOperation$0(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitIfConditionOperation_closure0(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,IfConditionExpression0>")), node.op);
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      return new A.IfConditionFunction0(this.visitInterpolation$1(node.name), this.visitInterpolation$1(node.$arguments), node.span);
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      return new A.IfConditionSass0(node.expression.accept$1(this), node.span);
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      return new A.IfConditionRaw0(this.visitInterpolation$1(node.text));
  	    },
  	    visitArgumentList$1(invocation) {
  	      var _this = this,
  	        t1 = invocation.positional,
  	        t2 = type$.String,
  	        t3 = type$.Expression_2,
  	        t4 = A.LinkedHashMap_LinkedHashMap$_empty(t2, t3);
  	      for (t2 = A.MapExtensions_get_pairs0(invocation.named, t2, t3), t2 = t2.get$iterator(t2); t2.moveNext$0();) {
  	        t3 = t2.get$current(t2);
  	        t4.$indexSet(0, t3._0, t3._1.accept$1(_this));
  	      }
  	      t2 = invocation.rest;
  	      t2 = t2 == null ? null : t2.accept$1(_this);
  	      t3 = invocation.keywordRest;
  	      t3 = t3 == null ? null : t3.accept$1(_this);
  	      return A.ArgumentList$0(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitArgumentList_closure0(_this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Expression0>")), t4, invocation.namedSpans, invocation.span, t3, t2);
  	    },
  	    visitSupportsCondition$1(condition) {
  	      var _this = this;
  	      if (condition instanceof A.SupportsOperation0)
  	        return new A.SupportsOperation0(_this.visitSupportsCondition$1(condition.left), _this.visitSupportsCondition$1(condition.right), condition.operator, condition.span);
  	      else if (condition instanceof A.SupportsNegation0)
  	        return new A.SupportsNegation0(_this.visitSupportsCondition$1(condition.condition), condition.span);
  	      else if (condition instanceof A.SupportsInterpolation0)
  	        return new A.SupportsInterpolation0(condition.expression.accept$1(_this), condition.span);
  	      else if (condition instanceof A.SupportsDeclaration0)
  	        return new A.SupportsDeclaration0(condition.name.accept$1(_this), condition.value.accept$1(_this), condition.span);
  	      else
  	        throw A.wrapException(A.SassException$0("BUG: Unknown SupportsCondition " + condition.toString$0(0) + ".", condition.get$span(condition), null));
  	    },
  	    visitInterpolation$1(interpolation) {
  	      var t1 = interpolation.contents;
  	      return A.Interpolation$0(new A.MappedListIterable(t1, new A.ReplaceExpressionVisitor_visitInterpolation_closure0(this), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Object>")), interpolation.spans, interpolation.span);
  	    }
  	  };
  	  A.ReplaceExpressionVisitor_visitListExpression_closure0.prototype = {
  	    call$1(item) {
  	      return item.accept$1(this.$this);
  	    },
  	    $signature: 262
  	  };
  	  A.ReplaceExpressionVisitor_visitIfConditionOperation_closure0.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 588
  	  };
  	  A.ReplaceExpressionVisitor_visitArgumentList_closure0.prototype = {
  	    call$1(expression) {
  	      return expression.accept$1(this.$this);
  	    },
  	    $signature: 262
  	  };
  	  A.ReplaceExpressionVisitor_visitInterpolation_closure0.prototype = {
  	    call$1(node) {
  	      return node instanceof A.Expression0 ? node.accept$1(this.$this) : node;
  	    },
  	    $signature: 75
  	  };
  	  A.ImporterResult0.prototype = {
  	    get$sourceMapUrl(_) {
  	      var t1 = this._result$_sourceMapUrl;
  	      return t1 == null ? A.Uri_Uri$dataFromString(this.contents, B.C_Utf8Codec, null) : t1;
  	    }
  	  };
  	  A.ReturnRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitReturnRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@return " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.RgbColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    get$isLegacyInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1 = red == null ? null : red / 255,
  	        t2 = green == null ? null : green / 255;
  	      return B.SrgbColorSpace_thf0.convert$5(dest, t1, t2, blue == null ? null : blue / 255, alpha);
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear0(channel / 255);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear0(channel) * 255;
  	    }
  	  };
  	  A.SassParser0.prototype = {
  	    get$currentIndentation() {
  	      return this._sass0$_currentIndentation;
  	    },
  	    get$indented() {
  	      return true;
  	    },
  	    styleRuleSelector$0() {
  	      var t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer0(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      do {
  	        buffer.addInterpolation$1(_this.almostAnyValue$1$omitComments(true));
  	        t4 = A.Primitives_stringFromCharCode(10);
  	        t4 = t3._contents += t4;
  	      } while (B.JSString_methods.endsWith$1(B.JSString_methods.trimRight$0(t4.charCodeAt(0) == 0 ? t4 : t4), ",") && _this.scanCharIf$1(new A.SassParser_styleRuleSelector_closure0()));
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    expectStatementSeparator$1($name) {
  	      var t1, _this = this,
  	        trailingSemicolon = _this._sass0$_tryTrailingSemicolon$0();
  	      if (!_this.atEndOfStatement$0())
  	        _this._sass0$_expectNewline$1$trailingSemicolon(trailingSemicolon);
  	      if (_this._sass0$_peekIndentation$0() <= _this._sass0$_currentIndentation)
  	        return;
  	      t1 = $name == null ? "here" : "beneath a " + $name;
  	      _this.scanner.error$2$position(0, "Nothing may be indented " + t1 + ".", _this._sass0$_nextIndentationEnd.position);
  	    },
  	    expectStatementSeparator$0() {
  	      return this.expectStatementSeparator$1(null);
  	    },
  	    atEndOfStatement$0() {
  	      var t1 = this.scanner.peekChar$0();
  	      if (t1 == null)
  	        t1 = null;
  	      else
  	        t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	      return t1 !== false;
  	    },
  	    lookingAtChildren$0() {
  	      return this.atEndOfStatement$0() && this._sass0$_peekIndentation$0() > this._sass0$_currentIndentation;
  	    },
  	    importArgument$0() {
  	      var url, span, innerError, stackTrace, t1, _0_0, start, t2, next, t3, _this = this;
  	      $label0$0: {
  	        t1 = _this.scanner;
  	        _0_0 = t1.peekChar$0();
  	        if (117 === _0_0 || 85 === _0_0) {
  	          start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	          if (_this.scanIdentifier$1("url"))
  	            if (t1.scanChar$1(40)) {
  	              t1.set$state(start);
  	              return _this.super$StylesheetParser$importArgument0();
  	            } else
  	              t1.set$state(start);
  	          break $label0$0;
  	        }
  	        if (39 === _0_0 || 34 === _0_0)
  	          return _this.super$StylesheetParser$importArgument0();
  	      }
  	      t2 = t1._string_scanner$_position;
  	      next = t1.peekChar$0();
  	      for (;;) {
  	        t3 = false;
  	        if (next != null)
  	          if (next !== 44)
  	            if (next !== 59)
  	              t3 = !(next === 10 || next === 13 || next === 12);
  	        if (!t3)
  	          break;
  	        t1.readChar$0();
  	        next = t1.peekChar$0();
  	      }
  	      url = t1.substring$1(0, t2);
  	      span = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      if (_this.isPlainImportUrl$1(url))
  	        return new A.StaticImport0(new A.Interpolation0(A.List_List$unmodifiable([A.serializeValue0(new A.SassString0(url, true), true, true)], type$.Object), B.List_null, span), null, span);
  	      else
  	        try {
  	          t1 = _this.parseImportUrl$1(url);
  	          return new A.DynamicImport0(t1, span);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.FormatException._is(t1)) {
  	            innerError = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), span, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	    },
  	    scanElse$1(ifIndentation) {
  	      var t1, t2, startIndentation, startNextIndentation, startNextIndentationEnd, _this = this;
  	      if (_this._sass0$_peekIndentation$0() !== ifIndentation)
  	        return false;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      startIndentation = _this._sass0$_currentIndentation;
  	      startNextIndentation = _this._sass0$_nextIndentation;
  	      startNextIndentationEnd = _this._sass0$_nextIndentationEnd;
  	      _this._sass0$_readIndentation$0();
  	      if (t1.scanChar$1(64) && _this.scanIdentifier$1("else"))
  	        return true;
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      _this._sass0$_currentIndentation = startIndentation;
  	      _this._sass0$_nextIndentation = startNextIndentation;
  	      _this._sass0$_nextIndentationEnd = startNextIndentationEnd;
  	      return false;
  	    },
  	    children$1(_, child) {
  	      var children = A._setArrayType([], type$.JSArray_Statement_2);
  	      this._sass0$_whileIndentedLower$1(new A.SassParser_children_closure0(this, child, children));
  	      return children;
  	    },
  	    statements$1(statement) {
  	      var statements, t2, _1_0,
  	        t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (9 === _0_0 || 32 === _0_0)
  	        t1.error$3$length$position(0, string$.Indent, t1._string_scanner$_position, 0);
  	      statements = A._setArrayType([], type$.JSArray_Statement_2);
  	      for (t2 = t1.string.length; t1._string_scanner$_position !== t2;) {
  	        _1_0 = this._sass0$_child$1(statement);
  	        if (_1_0 != null)
  	          statements.push(_1_0);
  	        this._sass0$_readIndentation$0();
  	      }
  	      return statements;
  	    },
  	    _sass0$_child$1(child) {
  	      var _0_0, _this = this,
  	        t1 = _this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (13 === _1_0 || 10 === _1_0 || 12 === _1_0) {
  	          t1 = null;
  	          break $label0$0;
  	        }
  	        if (36 === _1_0) {
  	          t1 = _this.variableDeclarationWithoutNamespace$0();
  	          break $label0$0;
  	        }
  	        if (47 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (47 === _0_0) {
  	              t1 = _this._sass0$_silentComment$0();
  	              break $label1$1;
  	            }
  	            if (42 === _0_0) {
  	              t1 = _this._sass0$_loudComment$0();
  	              break $label1$1;
  	            }
  	            t1 = child.call$0();
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = child.call$0();
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _sass0$_silentComment$0() {
  	      var buffer, parentIndentation, t3, t4, t5, commentPrefix, i, t6, i0, t7, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("//");
  	      buffer = new A.StringBuffer("");
  	      parentIndentation = _this._sass0$_currentIndentation;
  	      t3 = t1.string.length;
  	      t4 = 1 + parentIndentation;
  	      t5 = 2 + parentIndentation;
  	      $label0$0:
  	        do {
  	          commentPrefix = t1.scanChar$1(47) ? "///" : "//";
  	          for (i = commentPrefix.length;;) {
  	            t6 = buffer._contents += commentPrefix;
  	            for (i0 = i; i0 < _this._sass0$_currentIndentation - parentIndentation; ++i0) {
  	              t6 += A.Primitives_stringFromCharCode(32);
  	              buffer._contents = t6;
  	            }
  	            for (;;) {
  	              if (t1._string_scanner$_position !== t3) {
  	                t7 = t1.peekChar$0();
  	                t7 = !(t7 === 10 || t7 === 13 || t7 === 12);
  	              } else
  	                t7 = false;
  	              if (!t7)
  	                break;
  	              t6 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	              buffer._contents = t6;
  	            }
  	            buffer._contents = t6 + "\n";
  	            if (_this._sass0$_peekIndentation$0() < parentIndentation)
  	              break $label0$0;
  	            if (_this._sass0$_peekIndentation$0() === parentIndentation) {
  	              if (t1.peekChar$1(t4) === 47 && t1.peekChar$1(t5) === 47)
  	                _this._sass0$_readIndentation$0();
  	              break;
  	            }
  	            _this._sass0$_readIndentation$0();
  	          }
  	        } while (t1.scan$1("//"));
  	      t3 = buffer._contents;
  	      return _this.lastSilentComment = new A.SilentComment0(t3.charCodeAt(0) == 0 ? t3 : t3, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _sass0$_loudComment$0() {
  	      var t2, t3, t4, buffer, parentIndentation, t5, t6, first, beginningOfComment, t7, end, i, _1_0, _0_0, span, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expect$1("/*");
  	      t2 = new A.StringBuffer("");
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      t4 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t2, t3, t4);
  	      t2._contents = "/*";
  	      parentIndentation = _this._sass0$_currentIndentation;
  	      for (t5 = t1.string, t6 = t5.length, first = true;; first = false) {
  	        if (first) {
  	          beginningOfComment = t1._string_scanner$_position;
  	          _this.spaces$0();
  	          t7 = t1.peekChar$0();
  	          if (t7 === 10 || t7 === 13 || t7 === 12) {
  	            _this._sass0$_readIndentation$0();
  	            t7 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t7;
  	          } else {
  	            end = t1._string_scanner$_position;
  	            t2._contents += B.JSString_methods.substring$2(t5, beginningOfComment, end);
  	          }
  	        } else
  	          t2._contents = (t2._contents += "\n") + " * ";
  	        for (i = 3; i < _this._sass0$_currentIndentation - parentIndentation; ++i) {
  	          t7 = A.Primitives_stringFromCharCode(32);
  	          t2._contents += t7;
  	        }
  	        while (t1._string_scanner$_position !== t6) {
  	          _1_0 = t1.peekChar$0();
  	          if (10 === _1_0 || 13 === _1_0 || 12 === _1_0)
  	            break;
  	          if (35 === _1_0) {
  	            if (t1.peekChar$1(1) === 123) {
  	              _0_0 = _this.singleInterpolation$0();
  	              buffer._interpolation_buffer0$_flushText$0();
  	              t3.push(_0_0._0);
  	              t4.push(_0_0._1);
  	            } else {
  	              t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t7;
  	            }
  	            continue;
  	          }
  	          if (42 === _1_0) {
  	            if (t1.peekChar$1(1) === 47) {
  	              t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t3;
  	              t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t3;
  	              span = _this.spanFrom$1(start);
  	              _this.whitespace$1$consumeNewlines(false);
  	              for (;;) {
  	                t2 = t1.peekChar$0();
  	                if (!((t2 === 10 || t2 === 13 || t2 === 12) && _this._sass0$_peekIndentation$0() > parentIndentation))
  	                  break;
  	                while (_this._sass0$_lookingAtDoubleNewline$0())
  	                  _this._sass0$_expectNewline$0();
  	                _this._sass0$_readIndentation$0();
  	                _this.whitespace$1$consumeNewlines(false);
  	              }
  	              if (t1._string_scanner$_position !== t6) {
  	                t2 = t1.peekChar$0();
  	                t2 = !(t2 === 10 || t2 === 13 || t2 === 12);
  	              } else
  	                t2 = false;
  	              if (t2) {
  	                t2 = t1._string_scanner$_position;
  	                for (;;) {
  	                  if (t1._string_scanner$_position !== t6) {
  	                    t3 = t1.peekChar$0();
  	                    t3 = !(t3 === 10 || t3 === 13 || t3 === 12);
  	                  } else
  	                    t3 = false;
  	                  if (!t3)
  	                    break;
  	                  t1.readChar$0();
  	                }
  	                throw A.wrapException(A.MultiSpanSassFormatException$0("Unexpected text after end of comment", _this.spanFrom$1(new A._SpanScannerState(t1, t2)), "extra text", A.LinkedHashMap_LinkedHashMap$_literal([span, "comment"], type$.FileSpan, type$.String), null));
  	              } else
  	                return new A.LoudComment0(buffer.interpolation$1(span));
  	            } else {
  	              t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t2._contents += t7;
  	            }
  	            continue;
  	          }
  	          t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2._contents += t7;
  	        }
  	        if (_this._sass0$_peekIndentation$0() <= parentIndentation)
  	          break;
  	        while (_this._sass0$_lookingAtDoubleNewline$0()) {
  	          _this._sass0$_expectNewline$0();
  	          t2._contents = (t2._contents += "\n") + " *";
  	        }
  	        _this._sass0$_readIndentation$0();
  	      }
  	      return new A.LoudComment0(buffer.interpolation$1(_this.spanFrom$1(start)));
  	    },
  	    whitespaceWithoutComments$1$consumeNewlines(consumeNewlines) {
  	      var t1, t2, next, t3;
  	      for (t1 = this.scanner, t2 = t1.string.length; t1._string_scanner$_position !== t2;) {
  	        next = t1.peekChar$0();
  	        if (consumeNewlines)
  	          t3 = !(next === 32 || next === 9 || next === 10 || next === 13 || next === 12);
  	        else
  	          t3 = !(next === 32 || next === 9);
  	        if (t3)
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _sass0$_expectNewline$1$trailingSemicolon(trailingSemicolon) {
  	      var t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (13 === _0_0) {
  	        t1.readChar$0();
  	        if (t1.peekChar$0() === 10)
  	          t1.readChar$0();
  	        return;
  	      }
  	      if (10 === _0_0 || 12 === _0_0) {
  	        t1.readChar$0();
  	        return;
  	      }
  	      t1.error$1(0, trailingSemicolon ? string$.multip : "expected newline.");
  	    },
  	    _sass0$_expectNewline$0() {
  	      return this._sass0$_expectNewline$1$trailingSemicolon(false);
  	    },
  	    _sass0$_lookingAtDoubleNewline$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label1$1: {
  	        t2 = false;
  	        if (13 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label0$0: {
  	            if (10 === _0_0) {
  	              t1 = t1.peekChar$1(2);
  	              t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	              break $label0$0;
  	            }
  	            if (13 === _0_0 || 12 === _0_0) {
  	              t1 = true;
  	              break $label0$0;
  	            }
  	            t1 = t2;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        if (10 === _1_0 || 12 === _1_0) {
  	          t1 = t1.peekChar$1(1);
  	          t1 = t1 === 10 || t1 === 13 || t1 === 12;
  	          break $label1$1;
  	        }
  	        t1 = t2;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    _sass0$_whileIndentedLower$1(body) {
  	      var t1, t2, childIndentation, indentation, t3, t4, _this = this,
  	        parentIndentation = _this._sass0$_currentIndentation;
  	      for (t1 = _this.scanner, t2 = t1._sourceFile, childIndentation = null; _this._sass0$_peekIndentation$0() > parentIndentation;) {
  	        indentation = _this._sass0$_readIndentation$0();
  	        if (childIndentation == null)
  	          childIndentation = indentation;
  	        if (childIndentation !== indentation) {
  	          t3 = t1._string_scanner$_position;
  	          t4 = t2.getColumn$1(t3);
  	          t1.error$3$length$position(0, "Inconsistent indentation, expected " + childIndentation + " spaces.", t2.getColumn$1(t1._string_scanner$_position), t3 - t4);
  	        }
  	        body.call$0();
  	      }
  	    },
  	    _sass0$_readIndentation$0() {
  	      var t1, _this = this,
  	        currentIndentation = _this._sass0$_nextIndentation;
  	      if (currentIndentation == null)
  	        currentIndentation = _this._sass0$_nextIndentation = _this._sass0$_peekIndentation$0();
  	      _this._sass0$_currentIndentation = currentIndentation;
  	      t1 = _this._sass0$_nextIndentationEnd;
  	      t1.toString;
  	      _this.scanner.set$state(t1);
  	      _this._sass0$_nextIndentationEnd = _this._sass0$_nextIndentation = null;
  	      return currentIndentation;
  	    },
  	    _sass0$_peekIndentation$0() {
  	      var t1, t2, t3, start, containsTab, containsSpace, nextIndentation, _1_0, t4, _this = this,
  	        _0_0 = _this._sass0$_nextIndentation;
  	      if (_0_0 != null)
  	        return _0_0;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      t3 = t1.string.length;
  	      if (t2 === t3) {
  	        _this._sass0$_nextIndentation = 0;
  	        _this._sass0$_nextIndentationEnd = new A._SpanScannerState(t1, t2);
  	        return 0;
  	      }
  	      start = new A._SpanScannerState(t1, t2);
  	      if (!_this.scanCharIf$1(new A.SassParser__peekIndentation_closure1()))
  	        t1.error$2$position(0, "Expected newline.", t1._string_scanner$_position);
  	      containsTab = A._Cell$();
  	      containsSpace = A._Cell$();
  	      nextIndentation = A._Cell$();
  	      do {
  	        containsSpace.__late_helper$_value = containsTab.__late_helper$_value = false;
  	        nextIndentation.__late_helper$_value = 0;
  	        for (;;) {
  	          $label0$0: {
  	            _1_0 = t1.peekChar$0();
  	            if (32 === _1_0) {
  	              containsSpace.__late_helper$_value = true;
  	              break $label0$0;
  	            }
  	            if (9 === _1_0) {
  	              containsTab.__late_helper$_value = true;
  	              break $label0$0;
  	            }
  	            break;
  	          }
  	          t2 = nextIndentation.__late_helper$_value;
  	          if (t2 === nextIndentation)
  	            A.throwExpression(A.LateError$localNI(""));
  	          nextIndentation.__late_helper$_value = t2 + 1;
  	          t1.readChar$0();
  	        }
  	        t2 = t1._string_scanner$_position;
  	        if (t2 === t3) {
  	          _this._sass0$_nextIndentation = 0;
  	          _this._sass0$_nextIndentationEnd = new A._SpanScannerState(t1, t2);
  	          t1.set$state(start);
  	          return 0;
  	        }
  	      } while (_this.scanCharIf$1(new A.SassParser__peekIndentation_closure2()));
  	      t2 = containsTab._readLocal$0();
  	      t3 = containsSpace._readLocal$0();
  	      if (t2) {
  	        if (t3) {
  	          t2 = t1._string_scanner$_position;
  	          t3 = t1._sourceFile;
  	          t4 = t3.getColumn$1(t2);
  	          t1.error$3$length$position(0, "Tabs and spaces may not be mixed.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	        } else if (_this._sass0$_spaces === true) {
  	          t2 = t1._string_scanner$_position;
  	          t3 = t1._sourceFile;
  	          t4 = t3.getColumn$1(t2);
  	          t1.error$3$length$position(0, "Expected spaces, was tabs.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	        }
  	      } else if (t3 && _this._sass0$_spaces === false) {
  	        t2 = t1._string_scanner$_position;
  	        t3 = t1._sourceFile;
  	        t4 = t3.getColumn$1(t2);
  	        t1.error$3$length$position(0, "Expected tabs, was spaces.", t3.getColumn$1(t1._string_scanner$_position), t2 - t4);
  	      }
  	      _this._sass0$_nextIndentation = nextIndentation._readLocal$0();
  	      if (nextIndentation._readLocal$0() > 0)
  	        if (_this._sass0$_spaces == null)
  	          _this._sass0$_spaces = containsSpace._readLocal$0();
  	      _this._sass0$_nextIndentationEnd = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.set$state(start);
  	      return nextIndentation._readLocal$0();
  	    },
  	    _sass0$_tryTrailingSemicolon$0() {
  	      if (this.scanCharIf$1(new A.SassParser__tryTrailingSemicolon_closure0())) {
  	        this.whitespace$1$consumeNewlines(false);
  	        return true;
  	      }
  	      return false;
  	    }
  	  };
  	  A.SassParser_styleRuleSelector_closure0.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser_children_closure0.prototype = {
  	    call$0() {
  	      var _0_0 = this.$this._sass0$_child$1(this.child);
  	      if (_0_0 != null)
  	        this.children.push(_0_0);
  	    },
  	    $signature: 0
  	  };
  	  A.SassParser__peekIndentation_closure1.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser__peekIndentation_closure2.prototype = {
  	    call$1(char) {
  	      return char === 10 || char === 13 || char === 12;
  	    },
  	    $signature: 31
  	  };
  	  A.SassParser__tryTrailingSemicolon_closure0.prototype = {
  	    call$1(char) {
  	      return char === 59;
  	    },
  	    $signature: 31
  	  };
  	  A._Exports.prototype = {};
  	  A._wrapMain_closure.prototype = {
  	    call$1(_) {
  	      return A._translateReturnValue(this.main.call$0());
  	    },
  	    $signature: 108
  	  };
  	  A._wrapMain_closure0.prototype = {
  	    call$1(args) {
  	      return A._translateReturnValue(this.main.call$1(A.List_List$from(type$.List_dynamic._as(args), true, type$.String)));
  	    },
  	    $signature: 108
  	  };
  	  A.ScssParser0.prototype = {
  	    get$indented() {
  	      return false;
  	    },
  	    get$currentIndentation() {
  	      return 0;
  	    },
  	    styleRuleSelector$0() {
  	      return this.almostAnyValue$0();
  	    },
  	    expectStatementSeparator$1($name) {
  	      var t1, _0_0;
  	      this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      t1 = this.scanner;
  	      if (t1._string_scanner$_position === t1.string.length)
  	        return;
  	      _0_0 = t1.peekChar$0();
  	      if (59 === _0_0 || 125 === _0_0)
  	        return;
  	      t1.expectChar$1(59);
  	    },
  	    expectStatementSeparator$0() {
  	      return this.expectStatementSeparator$1(null);
  	    },
  	    atEndOfStatement$0() {
  	      var next = this.scanner.peekChar$0();
  	      return next == null || next === 59 || next === 125 || next === 123;
  	    },
  	    lookingAtChildren$0() {
  	      return this.scanner.peekChar$0() === 123;
  	    },
  	    scanElse$1(ifIndentation) {
  	      var t3, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      _this.whitespace$1$consumeNewlines(true);
  	      t3 = t1._string_scanner$_position;
  	      if (t1.scanChar$1(64)) {
  	        if (_this.scanIdentifier$2$caseSensitive("else", true))
  	          return true;
  	        if (_this.scanIdentifier$2$caseSensitive("elseif", true)) {
  	          _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_VUl, string$.x40elsei, _this.spanFrom$1(new A._SpanScannerState(t1, t3))));
  	          t1.set$position(t1._string_scanner$_position - 2);
  	          return true;
  	        }
  	      }
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      return false;
  	    },
  	    children$1(_, child) {
  	      var children, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$1(123);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      children = A._setArrayType([], type$.JSArray_Statement_2);
  	      for (;;)
  	        switch (t1.peekChar$0()) {
  	          case 36:
  	            children.push(_this.variableDeclarationWithoutNamespace$0());
  	            break;
  	          case 47:
  	            switch (t1.peekChar$1(1)) {
  	              case 47:
  	                children.push(_this._scss0$_silentComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              case 42:
  	                children.push(_this._scss0$_loudComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              default:
  	                children.push(child.call$0());
  	            }
  	            break;
  	          case 59:
  	            t1.readChar$0();
  	            _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	            break;
  	          case 125:
  	            t1.expectChar$1(125);
  	            return children;
  	          default:
  	            children.push(child.call$0());
  	        }
  	    },
  	    statements$1(statement) {
  	      var t1, t2, _0_0, _1_0, _this = this,
  	        statements = A._setArrayType([], type$.JSArray_Statement_2);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      for (t1 = _this.scanner, t2 = t1.string.length; t1._string_scanner$_position !== t2;)
  	        switch (t1.peekChar$0()) {
  	          case 36:
  	            statements.push(_this.variableDeclarationWithoutNamespace$0());
  	            break;
  	          case 47:
  	            switch (t1.peekChar$1(1)) {
  	              case 47:
  	                statements.push(_this._scss0$_silentComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              case 42:
  	                statements.push(_this._scss0$_loudComment$0());
  	                _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	                break;
  	              default:
  	                _0_0 = statement.call$0();
  	                if (_0_0 != null)
  	                  statements.push(_0_0);
  	            }
  	            break;
  	          case 59:
  	            t1.readChar$0();
  	            _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	            break;
  	          default:
  	            _1_0 = statement.call$0();
  	            if (_1_0 != null)
  	              statements.push(_1_0);
  	        }
  	      return statements;
  	    },
  	    _scss0$_silentComment$0() {
  	      var t3, t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        start = new A._SpanScannerState(t1, t2);
  	      t1.expect$1("//");
  	      t3 = t1.string.length;
  	      do {
  	        for (;;) {
  	          if (t1._string_scanner$_position !== t3) {
  	            t4 = t1.readChar$0();
  	            t4 = !(t4 === 10 || t4 === 13 || t4 === 12);
  	          } else
  	            t4 = false;
  	          if (!t4)
  	            break;
  	        }
  	        if (t1._string_scanner$_position === t3)
  	          break;
  	        _this.spaces$0();
  	      } while (t1.scan$1("//"));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Silent, _this.spanFrom$1(start));
  	      return _this.lastSilentComment = new A.SilentComment0(t1.substring$1(0, t2), _this.spanFrom$1(start));
  	    },
  	    _scss0$_loudComment$0() {
  	      var t3, t4, t5, buffer, _0_0, t6,
  	        t1 = this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("/*");
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      t3._contents = "/*";
  	      $label0$1:
  	        for (;;)
  	          switch (t1.peekChar$0()) {
  	            case 35:
  	              if (t1.peekChar$1(1) === 123) {
  	                _0_0 = this.singleInterpolation$0();
  	                buffer._interpolation_buffer0$_flushText$0();
  	                t4.push(_0_0._0);
  	                t5.push(_0_0._1);
  	              } else {
  	                t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	                t3._contents += t6;
  	              }
  	              break;
  	            case 42:
  	              t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t6;
  	              if (t1.peekChar$0() !== 47)
  	                continue $label0$1;
  	              t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t4;
  	              return new A.LoudComment0(buffer.interpolation$1(this.spanFrom$1(new A._SpanScannerState(t1, t2))));
  	            case 13:
  	              t1.readChar$0();
  	              if (t1.peekChar$0() !== 10) {
  	                t6 = A.Primitives_stringFromCharCode(10);
  	                t3._contents += t6;
  	              }
  	              break;
  	            case 12:
  	              t1.readChar$0();
  	              t6 = A.Primitives_stringFromCharCode(10);
  	              t3._contents += t6;
  	              break;
  	            default:
  	              t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t6;
  	          }
  	    }
  	  };
  	  A.Selector0.prototype = {
  	    assertNotBogus$1$name($name) {
  	      if (!this.accept$1(B._IsBogusVisitor_true0))
  	        return;
  	      A.warnForDeprecation0("$" + $name + ": " + (this.toString$0(0) + string$.x20is_nov), B.Deprecation_2PR);
  	    },
  	    toString$0(_) {
  	      var _null = null,
  	        visitor = A._SerializeVisitor$0(_null, true, _null, _null, true, false, _null, true);
  	      this.accept$1(visitor);
  	      return visitor._serialize0$_buffer.toString$0(0);
  	    },
  	    $isAstNode0: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._IsInvisibleVisitor2.prototype = {
  	    visitSelectorList$1(list) {
  	      return B.JSArray_methods.every$1(list.components, this.get$visitComplexSelector());
  	    },
  	    visitComplexSelector$1(complex) {
  	      var t1;
  	      if (!this.super$AnySelectorVisitor$visitComplexSelector0(complex))
  	        t1 = this.includeBogus && complex.accept$1(B._IsBogusVisitor_false0);
  	      else
  	        t1 = true;
  	      return t1;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return true;
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var t1,
  	        _0_0 = pseudo.selector;
  	      if (_0_0 != null) {
  	        if (pseudo.name === "not")
  	          t1 = this.includeBogus && _0_0.accept$1(B._IsBogusVisitor_true0);
  	        else
  	          t1 = this.visitSelectorList$1(_0_0);
  	        return t1;
  	      } else
  	        return false;
  	    }
  	  };
  	  A._IsBogusVisitor0.prototype = {
  	    visitComplexSelector$1(complex) {
  	      var t2,
  	        t1 = complex.components;
  	      if (t1.length === 0)
  	        return complex.leadingCombinators.length !== 0;
  	      else {
  	        t2 = this.includeLeadingCombinator ? 0 : 1;
  	        return complex.leadingCombinators.length > t2 || B.JSArray_methods.get$last(t1).combinators.length !== 0 || B.JSArray_methods.any$1(t1, new A._IsBogusVisitor_visitComplexSelector_closure0(this));
  	      }
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var selector = pseudo.selector;
  	      if (selector == null)
  	        return false;
  	      return pseudo.name === "has" ? selector.accept$1(B._IsBogusVisitor_false0) : selector.accept$1(B._IsBogusVisitor_true0);
  	    }
  	  };
  	  A._IsBogusVisitor_visitComplexSelector_closure0.prototype = {
  	    call$1(component) {
  	      return component.combinators.length > 1 || this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 55
  	  };
  	  A._IsUselessVisitor0.prototype = {
  	    visitComplexSelector$1(complex) {
  	      return complex.leadingCombinators.length > 1 || B.JSArray_methods.any$1(complex.components, new A._IsUselessVisitor_visitComplexSelector_closure0(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      return pseudo.accept$1(B._IsBogusVisitor_true0);
  	    }
  	  };
  	  A._IsUselessVisitor_visitComplexSelector_closure0.prototype = {
  	    call$1(component) {
  	      return component.combinators.length > 1 || this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature: 55
  	  };
  	  A._ContainsParentSelectorVisitor0.prototype = {
  	    visitParentSelector$1(_, _0) {
  	      return true;
  	    }
  	  };
  	  A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor0.prototype = {};
  	  A.__IsBogusVisitor_Object_AnySelectorVisitor0.prototype = {};
  	  A.__IsInvisibleVisitor_Object_AnySelectorVisitor0.prototype = {};
  	  A.__IsUselessVisitor_Object_AnySelectorVisitor0.prototype = {};
  	  A.SelectorExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSelectorExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "&";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A._nest_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.$index$asx($arguments, 0).get$asList();
  	      t1 = new A.MappedListIterable(t1, new A._nest__closure1(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,SelectorList0>")).fold$2(0, null, new A._nest__closure2());
  	      t1 = t1 == null ? null : t1.get$asSassList();
  	      return t1 == null ? A.throwExpression(A.SassScriptException$0(string$.x24selec, null)) : t1;
  	    },
  	    $signature: 27
  	  };
  	  A._nest__closure1.prototype = {
  	    call$1(selector) {
  	      return A.SassApiValue_assertSelector0(selector, true, null);
  	    },
  	    $signature: 263
  	  };
  	  A._nest__closure2.prototype = {
  	    call$2($parent, child) {
  	      return child.nestWithin$1($parent);
  	    },
  	    $signature: 590
  	  };
  	  A._append_closure1.prototype = {
  	    call$1($arguments) {
  	      var t1,
  	        selectors = J.$index$asx($arguments, 0).get$asList();
  	      if (selectors.length === 0)
  	        throw A.wrapException(A.SassScriptException$0(string$.x24selec, null));
  	      t1 = A.EvaluationContext_currentOrNull0();
  	      return new A.MappedListIterable(selectors, new A._append__closure1(), A._arrayInstanceType(selectors)._eval$1("MappedListIterable<1,SelectorList0>")).reduce$1(0, new A._append__closure2((t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan())).get$asSassList();
  	    },
  	    $signature: 27
  	  };
  	  A._append__closure1.prototype = {
  	    call$1(selector) {
  	      return A.SassApiValue_assertSelector0(selector, false, null);
  	    },
  	    $signature: 263
  	  };
  	  A._append__closure2.prototype = {
  	    call$2($parent, child) {
  	      var t1 = child.components,
  	        t2 = this.span;
  	      return A.SelectorList$0(new A.MappedListIterable(t1, new A._append___closure0($parent, t2), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,ComplexSelector0>")), t2).nestWithin$1($parent);
  	    },
  	    $signature: 591
  	  };
  	  A._append___closure0.prototype = {
  	    call$1(complex) {
  	      var _0_0, t1, component, rest, newCompound, t2, _null = null;
  	      if (complex.leadingCombinators.length !== 0)
  	        throw A.wrapException(A.SassScriptException$0("Can't append " + complex.toString$0(0) + " to " + this.parent.toString$0(0) + ".", _null));
  	      _0_0 = complex.components;
  	      t1 = _0_0.length >= 1;
  	      if (t1) {
  	        component = _0_0[0];
  	        rest = B.JSArray_methods.sublist$1(_0_0, 1);
  	      } else {
  	        rest = _null;
  	        component = rest;
  	      }
  	      if (!t1)
  	        throw A.wrapException(A.StateError$("Pattern matching error"));
  	      newCompound = A._prependParent0(component.selector);
  	      if (newCompound == null)
  	        throw A.wrapException(A.SassScriptException$0("Can't append " + complex.toString$0(0) + " to " + this.parent.toString$0(0) + ".", _null));
  	      t1 = this.span;
  	      t2 = A._setArrayType([new A.ComplexSelectorComponent0(newCompound, A.List_List$unmodifiable(component.combinators, type$.CssValue_Combinator_2), t1)], type$.JSArray_ComplexSelectorComponent_2);
  	      B.JSArray_methods.addAll$1(t2, rest);
  	      return A.ComplexSelector$0(B.List_empty17, t2, t1, false);
  	    },
  	    $signature: 59
  	  };
  	  A._extend_closure0.prototype = {
  	    call$1($arguments) {
  	      var target, source,
  	        _s8_ = "selector",
  	        _s8_0 = "extendee",
  	        _s8_1 = "extender",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector = A.SassApiValue_assertSelector0(t1.$index($arguments, 0), false, _s8_);
  	      selector.assertNotBogus$1$name(_s8_);
  	      target = A.SassApiValue_assertSelector0(t1.$index($arguments, 1), false, _s8_0);
  	      target.assertNotBogus$1$name(_s8_0);
  	      source = A.SassApiValue_assertSelector0(t1.$index($arguments, 2), false, _s8_1);
  	      source.assertNotBogus$1$name(_s8_1);
  	      t1 = A.EvaluationContext_currentOrNull0();
  	      return A.ExtensionStore__extendOrReplace0(selector, source, target, B.ExtendMode_allTargets_2_allTargets0, (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan()).get$asSassList();
  	    },
  	    $signature: 27
  	  };
  	  A._replace_closure0.prototype = {
  	    call$1($arguments) {
  	      var target, source,
  	        _s8_ = "selector",
  	        _s8_0 = "original",
  	        _s11_ = "replacement",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector = A.SassApiValue_assertSelector0(t1.$index($arguments, 0), false, _s8_);
  	      selector.assertNotBogus$1$name(_s8_);
  	      target = A.SassApiValue_assertSelector0(t1.$index($arguments, 1), false, _s8_0);
  	      target.assertNotBogus$1$name(_s8_0);
  	      source = A.SassApiValue_assertSelector0(t1.$index($arguments, 2), false, _s11_);
  	      source.assertNotBogus$1$name(_s11_);
  	      t1 = A.EvaluationContext_currentOrNull0();
  	      return A.ExtensionStore__extendOrReplace0(selector, source, target, B.ExtendMode_replace_1_replace0, (t1 == null ? A.throwExpression(A.StateError$(string$.No_Sass)) : t1).get$currentCallableSpan()).get$asSassList();
  	    },
  	    $signature: 27
  	  };
  	  A._unify_closure0.prototype = {
  	    call$1($arguments) {
  	      var selector2,
  	        _s9_ = "selector1",
  	        _s9_0 = "selector2",
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector1 = A.SassApiValue_assertSelector0(t1.$index($arguments, 0), false, _s9_);
  	      selector1.assertNotBogus$1$name(_s9_);
  	      selector2 = A.SassApiValue_assertSelector0(t1.$index($arguments, 1), false, _s9_0);
  	      selector2.assertNotBogus$1$name(_s9_0);
  	      t1 = selector1.unify$1(selector2);
  	      t1 = t1 == null ? null : t1.get$asSassList();
  	      return t1 == null ? B.C__SassNull0 : t1;
  	    },
  	    $signature: 3
  	  };
  	  A._isSuperselector_closure0.prototype = {
  	    call$1($arguments) {
  	      var selector2,
  	        t1 = J.getInterceptor$asx($arguments),
  	        selector1 = A.SassApiValue_assertSelector0(t1.$index($arguments, 0), false, "super");
  	      selector1.assertNotBogus$1$name("super");
  	      selector2 = A.SassApiValue_assertSelector0(t1.$index($arguments, 1), false, "sub");
  	      selector2.assertNotBogus$1$name("sub");
  	      return A.listIsSuperselector0(selector1.components, selector2.components) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	    },
  	    $signature: 13
  	  };
  	  A._simpleSelectors_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = A.SassApiValue_assertCompoundSelector0(J.$index$asx($arguments, 0), "selector").components;
  	      return A.SassList$0(new A.MappedListIterable(t1, new A._simpleSelectors__closure0(), A._arrayInstanceType(t1)._eval$1("MappedListIterable<1,Value0>")), B.ListSeparator_z0K0, false);
  	    },
  	    $signature: 27
  	  };
  	  A._simpleSelectors__closure0.prototype = {
  	    call$1(simple) {
  	      return new A.SassString0(A.serializeSelector0(simple, true), false);
  	    },
  	    $signature: 592
  	  };
  	  A._parse_closure0.prototype = {
  	    call$1($arguments) {
  	      return A.SassApiValue_assertSelector0(J.$index$asx($arguments, 0), false, "selector").get$asSassList();
  	    },
  	    $signature: 27
  	  };
  	  A.SelectorParser0.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.SelectorParser_parse_closure0(this));
  	    },
  	    parseCompoundSelector$0() {
  	      return this.wrapSpanFormatException$1(new A.SelectorParser_parseCompoundSelector_closure0(this));
  	    },
  	    _selector$_selectorList$0() {
  	      var t4, t5, lineBreak, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = t1._sourceFile,
  	        previousLine = t3.getLine$1(t2),
  	        components = A._setArrayType([_this._selector$_complexSelector$0()], type$.JSArray_ComplexSelector_2);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t4 = t1.string.length; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t1.peekChar$0() === 44)
  	          continue;
  	        t5 = t1._string_scanner$_position;
  	        if (t5 === t4)
  	          break;
  	        lineBreak = t3.getLine$1(t5) !== previousLine;
  	        if (lineBreak)
  	          previousLine = t3.getLine$1(t1._string_scanner$_position);
  	        components.push(_this._selector$_complexSelector$1$lineBreak(lineBreak));
  	      }
  	      return A.SelectorList$0(components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _selector$_complexSelector$1$lineBreak(lineBreak) {
  	      var t4, lastCompound, initialCombinators, _0_0, t5, result, _this = this,
  	        _s18_ = "expected selector.",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        componentStart = new A._SpanScannerState(t1, t2),
  	        t3 = type$.JSArray_CssValue_Combinator_2,
  	        combinators = A._setArrayType([], t3),
  	        components = A._setArrayType([], type$.JSArray_ComplexSelectorComponent_2);
  	      for (t4 = type$.CssValue_Combinator_2, lastCompound = null, initialCombinators = null;;) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _0_0 = t1.peekChar$0();
  	        if (43 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue0(B.Combinator_sHB0, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (62 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue0(B.Combinator_iUF0, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (126 === _0_0) {
  	          t5 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinators.push(new A.CssValue0(B.Combinator_98W0, _this.spanFrom$1(new A._SpanScannerState(t1, t5)), t4));
  	          continue;
  	        }
  	        if (_0_0 == null)
  	          break;
  	        t5 = true;
  	        if (91 !== _0_0)
  	          if (46 !== _0_0)
  	            if (35 !== _0_0)
  	              if (37 !== _0_0)
  	                if (58 !== _0_0)
  	                  if (38 !== _0_0)
  	                    if (42 !== _0_0)
  	                      if (124 !== _0_0)
  	                        t5 = _this.lookingAtIdentifier$0();
  	        if (t5) {
  	          if (lastCompound != null) {
  	            t5 = _this.spanFrom$1(componentStart);
  	            result = A.List_List$from(combinators, false, t4);
  	            result.$flags = 3;
  	            components.push(new A.ComplexSelectorComponent0(lastCompound, result, t5));
  	          } else if (combinators.length !== 0) {
  	            componentStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	            initialCombinators = combinators;
  	          }
  	          lastCompound = _this._selector$_compoundSelector$0();
  	          combinators = A._setArrayType([], t3);
  	          if (t1.peekChar$0() === 38)
  	            t1.error$1(0, string$.x22x26__ma);
  	          continue;
  	        }
  	        break;
  	      }
  	      t3 = combinators.length !== 0;
  	      if (t3 && _this._selector$_plainCss)
  	        t1.error$1(0, _s18_);
  	      else if (lastCompound != null) {
  	        t3 = _this.spanFrom$1(componentStart);
  	        components.push(new A.ComplexSelectorComponent0(lastCompound, A.List_List$unmodifiable(combinators, t4), t3));
  	      } else if (t3)
  	        initialCombinators = combinators;
  	      else
  	        t1.error$1(0, _s18_);
  	      t3 = initialCombinators == null ? B.List_empty17 : initialCombinators;
  	      return A.ComplexSelector$0(t3, components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), lineBreak);
  	    },
  	    _selector$_complexSelector$0() {
  	      return this._selector$_complexSelector$1$lineBreak(false);
  	    },
  	    _selector$_compoundSelector$0() {
  	      var t3, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        components = A._setArrayType([_this._selector$_simpleSelector$0()], type$.JSArray_SimpleSelector_2);
  	      for (t3 = _this._selector$_plainCss; _this._selector$_isSimpleSelectorStart$1(t1.peekChar$0());)
  	        components.push(_this._selector$_simpleSelector$1$allowParent(t3));
  	      return A.CompoundSelector$0(components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _selector$_simpleSelector$1$allowParent(allowParent) {
  	      var t2, $name, text, t3, suffix, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (allowParent == null)
  	        allowParent = _this._selector$_allowParent;
  	      switch (t1.peekChar$0()) {
  	        case 91:
  	          return _this._selector$_attributeSelector$0();
  	        case 46:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(46);
  	          return new A.ClassSelector0(_this.identifier$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        case 35:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(35);
  	          return new A.IDSelector0(_this.identifier$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        case 37:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(37);
  	          $name = _this.identifier$0();
  	          t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          if (_this._selector$_plainCss)
  	            _this.error$2(0, string$.Placeh, _this.spanFrom$1(start));
  	          return new A.PlaceholderSelector0($name, t2);
  	        case 58:
  	          return _this._selector$_pseudoSelector$0();
  	        case 38:
  	          t2 = t1._string_scanner$_position;
  	          t1.expectChar$1(38);
  	          if (_this.lookingAtIdentifierBody$0()) {
  	            text = new A.StringBuffer("");
  	            _this._parser1$_identifierBody$1(text);
  	            if (text._contents.length === 0)
  	              t1.error$1(0, "Expected identifier body.");
  	            t3 = text._contents;
  	            suffix = t3.charCodeAt(0) == 0 ? t3 : t3;
  	          } else
  	            suffix = null;
  	          if (_this._selector$_plainCss && suffix != null)
  	            t1.error$3$length$position(0, string$.Parent, t1._string_scanner$_position - t2, t2);
  	          t1 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          if (!allowParent)
  	            _this.error$2(0, "Parent selectors aren't allowed here.", _this.spanFrom$1(start));
  	          return new A.ParentSelector0(suffix, t1);
  	        default:
  	          return _this._selector$_typeOrUniversalSelector$0();
  	      }
  	    },
  	    _selector$_simpleSelector$0() {
  	      return this._selector$_simpleSelector$1$allowParent(null);
  	    },
  	    _selector$_attributeSelector$0() {
  	      var $name, operator, next, value, modifier, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(91);
  	      _this.whitespace$1$consumeNewlines(true);
  	      $name = _this._selector$_attributeName$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (t1.scanChar$1(93))
  	        return new A.AttributeSelector0($name, _null, _null, _null, _this.spanFrom$1(start));
  	      operator = _this._selector$_attributeOperator$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      value = next === 39 || next === 34 ? _this.string$0() : _this.identifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      modifier = next != null && A.CharacterExtension_get_isAlphabetic0(next) ? A.Primitives_stringFromCharCode(t1.readChar$0()) : _null;
  	      t1.expectChar$1(93);
  	      return new A.AttributeSelector0($name, operator, value, modifier, _this.spanFrom$1(start));
  	    },
  	    _selector$_attributeName$0() {
  	      var nameOrNamespace, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.scanChar$1(42)) {
  	        t1.expectChar$1(124);
  	        return new A.QualifiedName0(_this.identifier$0(), "*");
  	      }
  	      if (t1.scanChar$1(124))
  	        return new A.QualifiedName0(_this.identifier$0(), "");
  	      nameOrNamespace = _this.identifier$0();
  	      if (t1.peekChar$0() !== 124 || t1.peekChar$1(1) === 61)
  	        return new A.QualifiedName0(nameOrNamespace, null);
  	      t1.readChar$0();
  	      return new A.QualifiedName0(_this.identifier$0(), nameOrNamespace);
  	    },
  	    _selector$_attributeOperator$0() {
  	      var t1 = this.scanner,
  	        start = t1._string_scanner$_position;
  	      switch (t1.readChar$0()) {
  	        case 61:
  	          return B.AttributeOperator_jFZ0;
  	        case 126:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_OrK0;
  	        case 124:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_g5B0;
  	        case 94:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_stc0;
  	        case 36:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_xJ90;
  	        case 42:
  	          t1.expectChar$1(61);
  	          return B.AttributeOperator_h200;
  	        default:
  	          t1.error$2$position(0, 'Expected "]".', start);
  	      }
  	    },
  	    _selector$_pseudoSelector$0() {
  	      var element, $name, unvendored, argument, selector, t2, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(58);
  	      element = t1.scanChar$1(58);
  	      $name = _this.identifier$0();
  	      if (!t1.scanChar$1(40))
  	        return A.PseudoSelector$0($name, _this.spanFrom$1(start), _null, element, _null);
  	      _this.whitespace$1$consumeNewlines(true);
  	      unvendored = A.unvendor0($name);
  	      argument = _null;
  	      selector = _null;
  	      if (element)
  	        if ($.selectorPseudoElements0.contains$1(0, unvendored))
  	          selector = _this._selector$_selectorList$0();
  	        else
  	          argument = _this.declarationValue$1$allowEmpty(true);
  	      else if ($.selectorPseudoClasses0.contains$1(0, unvendored))
  	        selector = _this._selector$_selectorList$0();
  	      else if (unvendored === "nth-child" || unvendored === "nth-last-child") {
  	        argument = _this._selector$_aNPlusB$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t2 = t1.peekChar$1(-1);
  	        if ((t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12) && t1.peekChar$0() !== 41) {
  	          _this.expectIdentifier$1("of");
  	          argument += " of";
  	          _this.whitespace$1$consumeNewlines(true);
  	          selector = _this._selector$_selectorList$0();
  	        }
  	      } else
  	        argument = B.JSString_methods.trimRight$0(_this.declarationValue$1$allowEmpty(true));
  	      t1.expectChar$1(41);
  	      return A.PseudoSelector$0($name, _this.spanFrom$1(start), argument, element, selector);
  	    },
  	    _selector$_aNPlusB$0() {
  	      var t1, _0_0, t2, $self, next, _this = this;
  	      $label0$0: {
  	        t1 = _this.scanner;
  	        _0_0 = t1.peekChar$0();
  	        if (101 === _0_0 || 69 === _0_0) {
  	          _this.expectIdentifier$1("even");
  	          return "even";
  	        }
  	        if (111 === _0_0 || 79 === _0_0) {
  	          _this.expectIdentifier$1("odd");
  	          return "odd";
  	        }
  	        if (43 === _0_0 || 45 === _0_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          break $label0$0;
  	        }
  	        t2 = "";
  	      }
  	      $self = t1.peekChar$0();
  	      if ($self != null && $self >= 48 && $self <= 57) {
  	        do {
  	          t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	          $self = t1.peekChar$0();
  	        } while ($self != null && $self >= 48 && $self <= 57);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this.scanIdentChar$1(110))
  	          return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      } else
  	        _this.expectIdentChar$1(110);
  	      t2 += A.Primitives_stringFromCharCode(110);
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      if (next !== 43 && next !== 45)
  	        return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	      _this.whitespace$1$consumeNewlines(true);
  	      $self = t1.peekChar$0();
  	      if (!($self != null && $self >= 48 && $self <= 57))
  	        t1.error$1(0, "Expected a number.");
  	      do {
  	        t2 += A.Primitives_stringFromCharCode(t1.readChar$0());
  	        $self = t1.peekChar$0();
  	      } while ($self != null && $self >= 48 && $self <= 57);
  	      return t2.charCodeAt(0) == 0 ? t2 : t2;
  	    },
  	    _selector$_typeOrUniversalSelector$0() {
  	      var nameOrNamespace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.scanChar$1(42)) {
  	        if (!t1.scanChar$1(124))
  	          return new A.UniversalSelector0(null, _this.spanFrom$1(start));
  	        return t1.scanChar$1(42) ? new A.UniversalSelector0("*", _this.spanFrom$1(start)) : new A.TypeSelector0(new A.QualifiedName0(_this.identifier$0(), "*"), _this.spanFrom$1(start));
  	      } else if (t1.scanChar$1(124))
  	        return t1.scanChar$1(42) ? new A.UniversalSelector0("", _this.spanFrom$1(start)) : new A.TypeSelector0(new A.QualifiedName0(_this.identifier$0(), ""), _this.spanFrom$1(start));
  	      nameOrNamespace = _this.identifier$0();
  	      if (!t1.scanChar$1(124))
  	        return new A.TypeSelector0(new A.QualifiedName0(nameOrNamespace, null), _this.spanFrom$1(start));
  	      else if (t1.scanChar$1(42))
  	        return new A.UniversalSelector0(nameOrNamespace, _this.spanFrom$1(start));
  	      else
  	        return new A.TypeSelector0(new A.QualifiedName0(_this.identifier$0(), nameOrNamespace), _this.spanFrom$1(start));
  	    },
  	    _selector$_isSimpleSelectorStart$1(character) {
  	      var t1;
  	      $label0$0: {
  	        if (42 === character || 91 === character || 46 === character || 35 === character || 37 === character || 58 === character) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (38 === character) {
  	          t1 = this._selector$_plainCss;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.SelectorParser_parse_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        selector = t1._selector$_selectorList$0();
  	      t1 = t1.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length)
  	        t1.error$1(0, "expected selector.");
  	      return selector;
  	    },
  	    $signature: 593
  	  };
  	  A.SelectorParser_parseCompoundSelector_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        compound = t1._selector$_compoundSelector$0();
  	      t1 = t1.scanner;
  	      if (t1._string_scanner$_position !== t1.string.length)
  	        t1.error$1(0, "expected selector.");
  	      return compound;
  	    },
  	    $signature: 594
  	  };
  	  A.SelectorSearchVisitor0.prototype = {
  	    visitAttributeSelector$1(_, attribute) {
  	      return null;
  	    },
  	    visitClassSelector$1(_, klass) {
  	      return null;
  	    },
  	    visitIDSelector$1(_, id) {
  	      return null;
  	    },
  	    visitParentSelector$1(_, placeholder) {
  	      return null;
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      return null;
  	    },
  	    visitTypeSelector$1(_, type) {
  	      return null;
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      return null;
  	    },
  	    visitComplexSelector$1(complex) {
  	      return A.IterableExtension_search0(complex.components, new A.SelectorSearchVisitor_visitComplexSelector_closure0(this));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      return A.IterableExtension_search0(compound.components, new A.SelectorSearchVisitor_visitCompoundSelector_closure0(this));
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      return A.NullableExtension_andThen0(pseudo.selector, this.get$visitSelectorList());
  	    },
  	    visitSelectorList$1(list) {
  	      return A.IterableExtension_search0(list.components, this.get$visitComplexSelector());
  	    }
  	  };
  	  A.SelectorSearchVisitor_visitComplexSelector_closure0.prototype = {
  	    call$1(component) {
  	      return this.$this.visitCompoundSelector$1(component.selector);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("SelectorSearchVisitor0.T?(ComplexSelectorComponent0)");
  	    }
  	  };
  	  A.SelectorSearchVisitor_visitCompoundSelector_closure0.prototype = {
  	    call$1(simple) {
  	      return simple.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("SelectorSearchVisitor0.T?(SimpleSelector0)");
  	    }
  	  };
  	  A.serialize_closure0.prototype = {
  	    call$1(codeUnit) {
  	      return codeUnit > 127;
  	    },
  	    $signature: 50
  	  };
  	  A._SerializeVisitor0.prototype = {
  	    visitCssStylesheet$1(node) {
  	      var t1, t2, t3, t4, t5, t6, t7, previous, previous0, t8, _this = this;
  	      for (t1 = J.get$iterator$ax(node.get$children(node)), t2 = !_this._serialize0$_inspect, t3 = _this._serialize0$_style === B.OutputStyle_10, t4 = !t3, t5 = type$.CssParentNode_2, t6 = _this._serialize0$_buffer, t7 = _this._lineFeed.text, previous = null; t1.moveNext$0();) {
  	        previous0 = t1.get$current(t1);
  	        if (t2)
  	          t8 = t3 ? previous0.accept$1(B._IsInvisibleVisitor_true_true0) : previous0.accept$1(B._IsInvisibleVisitor_true_false0);
  	        else
  	          t8 = false;
  	        if (t8)
  	          continue;
  	        if (previous != null) {
  	          if (t5._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment0))
  	            t6.writeCharCode$1(59);
  	          if (_this._serialize0$_isTrailingComment$2(previous0, previous)) {
  	            if (t4)
  	              t6.writeCharCode$1(32);
  	          } else {
  	            if (t4)
  	              t6.write$1(0, t7);
  	            if (previous.get$isGroupEnd())
  	              if (t4)
  	                t6.write$1(0, t7);
  	          }
  	        }
  	        previous0.accept$1(_this);
  	        previous = previous0;
  	      }
  	      if (previous != null)
  	        t1 = (t5._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment0)) && t4;
  	      else
  	        t1 = false;
  	      if (t1)
  	        t6.writeCharCode$1(59);
  	    },
  	    visitCssComment$1(node) {
  	      this._serialize0$_buffer.forSpan$2(node.span, new A._SerializeVisitor_visitCssComment_closure0(this, node));
  	    },
  	    visitCssAtRule$1(node) {
  	      var t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      t1 = _this._serialize0$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssAtRule_closure0(_this, node));
  	      if (!node.isChildless) {
  	        if (_this._serialize0$_style !== B.OutputStyle_10)
  	          t1.writeCharCode$1(32);
  	        _this._serialize0$_visitChildren$1(node);
  	      }
  	    },
  	    visitCssMediaRule$1(node) {
  	      var t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      t1 = _this._serialize0$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssMediaRule_closure0(_this, node));
  	      if (_this._serialize0$_style !== B.OutputStyle_10)
  	        t1.writeCharCode$1(32);
  	      _this._serialize0$_visitChildren$1(node);
  	    },
  	    visitCssImport$1(node) {
  	      this._serialize0$_writeIndentation$0();
  	      this._serialize0$_buffer.forSpan$2(node.span, new A._SerializeVisitor_visitCssImport_closure0(this, node));
  	    },
  	    _serialize0$_writeImportUrl$1(url) {
  	      var urlContents, maybeQuote, _this = this;
  	      if (_this._serialize0$_style !== B.OutputStyle_10 || url.charCodeAt(0) !== 117) {
  	        _this._serialize0$_buffer.write$1(0, url);
  	        return;
  	      }
  	      urlContents = B.JSString_methods.substring$2(url, 4, url.length - 1);
  	      maybeQuote = urlContents.charCodeAt(0);
  	      if (maybeQuote === 39 || maybeQuote === 34)
  	        _this._serialize0$_buffer.write$1(0, urlContents);
  	      else
  	        _this._serialize0$_visitQuotedString$1(urlContents);
  	    },
  	    visitCssKeyframeBlock$1(node) {
  	      var t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      t1 = _this._serialize0$_buffer;
  	      t1.forSpan$2(node.selector.span, new A._SerializeVisitor_visitCssKeyframeBlock_closure0(_this, node));
  	      if (_this._serialize0$_style !== B.OutputStyle_10)
  	        t1.writeCharCode$1(32);
  	      _this._serialize0$_visitChildren$1(node);
  	    },
  	    _serialize0$_visitMediaQuery$1(query) {
  	      var t1, _1_0, _2_0, condition, operator, t2, _this = this,
  	        _0_0 = query.modifier;
  	      if (_0_0 != null) {
  	        t1 = _this._serialize0$_buffer;
  	        t1.write$1(0, _0_0);
  	        t1.writeCharCode$1(32);
  	      }
  	      _1_0 = query.type;
  	      if (_1_0 != null) {
  	        t1 = _this._serialize0$_buffer;
  	        t1.write$1(0, _1_0);
  	        if (query.conditions.length !== 0)
  	          t1.write$1(0, " and ");
  	      }
  	      _2_0 = query.conditions;
  	      if (_2_0.length === 1)
  	        t1 = B.JSString_methods.startsWith$1(_2_0[0], "(not ");
  	      else
  	        t1 = false;
  	      if (t1) {
  	        t1 = _this._serialize0$_buffer;
  	        t1.write$1(0, "not ");
  	        condition = B.JSArray_methods.get$first(_2_0);
  	        t1.write$1(0, B.JSString_methods.substring$2(condition, 5, condition.length - 1));
  	      } else {
  	        operator = query.conjunction ? "and" : "or";
  	        t1 = _this._serialize0$_style === B.OutputStyle_10 ? operator + " " : " " + operator + " ";
  	        t2 = _this._serialize0$_buffer;
  	        _this._serialize0$_writeBetween$3(_2_0, t1, t2.get$write(t2));
  	      }
  	    },
  	    visitCssStyleRule$1(node) {
  	      var t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      t1 = _this._serialize0$_buffer;
  	      t1.forSpan$2(node._style_rule0$_selector._box0$_inner.value.span, new A._SerializeVisitor_visitCssStyleRule_closure0(_this, node));
  	      if (_this._serialize0$_style !== B.OutputStyle_10)
  	        t1.writeCharCode$1(32);
  	      _this._serialize0$_visitChildren$1(node);
  	    },
  	    visitCssSupportsRule$1(node) {
  	      var t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      t1 = _this._serialize0$_buffer;
  	      t1.forSpan$2(node.span, new A._SerializeVisitor_visitCssSupportsRule_closure0(_this, node));
  	      if (_this._serialize0$_style !== B.OutputStyle_10)
  	        t1.writeCharCode$1(32);
  	      _this._serialize0$_visitChildren$1(node);
  	    },
  	    visitCssDeclaration$1(node) {
  	      var error, stackTrace, error0, stackTrace0, t1, _this = this;
  	      _this._serialize0$_writeIndentation$0();
  	      _this._serialize0$_write$1(node.name);
  	      t1 = _this._serialize0$_buffer;
  	      t1.writeCharCode$1(58);
  	      if (!node.parsedAsSassScript)
  	        t1.forSpan$2(node.value.span, new A._SerializeVisitor_visitCssDeclaration_closure1(_this, node));
  	      else {
  	        if (_this._serialize0$_style !== B.OutputStyle_10)
  	          t1.writeCharCode$1(32);
  	        try {
  	          t1.forSpan$2(node.valueSpanForMap, new A._SerializeVisitor_visitCssDeclaration_closure2(_this, node));
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (t1 instanceof A.MultiSpanSassScriptException0) {
  	            error = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            A.throwWithTrace0(A.MultiSpanSassException$0(error.message, node.value.span, error.primaryLabel, error.secondarySpans, null), error, stackTrace);
  	          } else if (t1 instanceof A.SassScriptException0) {
  	            error0 = t1;
  	            stackTrace0 = A.getTraceFromException(exception);
  	            t1 = error0.message;
  	            A.throwWithTrace0(new A.SassException0(B.Set_empty, t1, node.value.span), error0, stackTrace0);
  	          } else
  	            throw exception;
  	        }
  	      }
  	    },
  	    _serialize0$_writeFoldedValue$1(node) {
  	      var t1, t2, next, t3,
  	        scanner = A.StringScanner$(type$.SassString_2._as(node.value.value)._string0$_text, null, null);
  	      for (t1 = scanner.string.length, t2 = this._serialize0$_buffer; scanner._string_scanner$_position !== t1;) {
  	        next = scanner.readChar$0();
  	        if (next !== 10) {
  	          t2.writeCharCode$1(next);
  	          continue;
  	        }
  	        t2.writeCharCode$1(32);
  	        for (;;) {
  	          t3 = scanner.peekChar$0();
  	          if (!(t3 === 32 || t3 === 9 || t3 === 10 || t3 === 13 || t3 === 12))
  	            break;
  	          scanner.readChar$0();
  	        }
  	      }
  	    },
  	    _serialize0$_writeReindentedValue$1(node) {
  	      var _0_0, t1, _this = this,
  	        value = type$.SassString_2._as(node.value.value)._string0$_text;
  	      $label0$0: {
  	        _0_0 = _this._serialize0$_minimumIndentation$1(value);
  	        if (_0_0 == null) {
  	          _this._serialize0$_buffer.write$1(0, value);
  	          break $label0$0;
  	        }
  	        if (-1 === _0_0) {
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, A.trimAsciiRight0(value, true));
  	          t1.writeCharCode$1(32);
  	          break $label0$0;
  	        }
  	        t1 = node.name.span;
  	        t1 = t1.get$start(t1);
  	        _this._serialize0$_writeWithIndent$2(value, Math.min(_0_0, t1.file.getColumn$1(t1.offset)));
  	      }
  	    },
  	    _serialize0$_minimumIndentation$1(text) {
  	      var character, t2, min, next, min0,
  	        scanner = A.LineScanner$(text),
  	        t1 = scanner.string.length;
  	      for (;;) {
  	        if (scanner._string_scanner$_position !== t1) {
  	          character = scanner.super$StringScanner$readChar();
  	          scanner._adjustLineAndColumn$1(character);
  	          t2 = character !== 10;
  	        } else
  	          t2 = false;
  	        if (!t2)
  	          break;
  	      }
  	      if (scanner._string_scanner$_position === t1)
  	        return scanner.peekChar$1(-1) === 10 ? -1 : null;
  	      for (min = null; scanner._string_scanner$_position !== t1;) {
  	        while (scanner._string_scanner$_position !== t1) {
  	          next = scanner.peekChar$0();
  	          if (next !== 32 && next !== 9)
  	            break;
  	          scanner._adjustLineAndColumn$1(scanner.super$StringScanner$readChar());
  	        }
  	        if (scanner._string_scanner$_position === t1 || scanner.scanChar$1(10))
  	          continue;
  	        min0 = scanner._line_scanner$_column;
  	        min = min == null ? min0 : Math.min(min, min0);
  	        for (;;) {
  	          if (scanner._string_scanner$_position !== t1) {
  	            character = scanner.super$StringScanner$readChar();
  	            scanner._adjustLineAndColumn$1(character);
  	            t2 = character !== 10;
  	          } else
  	            t2 = false;
  	          if (!t2)
  	            break;
  	        }
  	      }
  	      return min == null ? -1 : min;
  	    },
  	    _serialize0$_writeWithIndent$2(text, minimumIndentation) {
  	      var t1, t2, t3, character, lineStart, newlines, end,
  	        scanner = A.LineScanner$(text);
  	      for (t1 = scanner.string, t2 = t1.length, t3 = this._serialize0$_buffer; scanner._string_scanner$_position !== t2;) {
  	        character = scanner.super$StringScanner$readChar();
  	        scanner._adjustLineAndColumn$1(character);
  	        if (character === 10)
  	          break;
  	        t3.writeCharCode$1(character);
  	      }
  	      for (;;) {
  	        lineStart = scanner._string_scanner$_position;
  	        for (newlines = 1;;) {
  	          if (scanner._string_scanner$_position === t2) {
  	            t3.writeCharCode$1(32);
  	            return;
  	          }
  	          $label0$2: {
  	            character = scanner.super$StringScanner$readChar();
  	            scanner._adjustLineAndColumn$1(character);
  	            if (32 === character || 9 === character)
  	              continue;
  	            if (10 === character) {
  	              lineStart = scanner._string_scanner$_position;
  	              ++newlines;
  	              break $label0$2;
  	            }
  	            break;
  	          }
  	        }
  	        this._serialize0$_writeTimes$2(10, newlines);
  	        this._serialize0$_writeIndentation$0();
  	        end = scanner._string_scanner$_position;
  	        t3.write$1(0, B.JSString_methods.substring$2(t1, lineStart + minimumIndentation, end));
  	        for (;;) {
  	          if (scanner._string_scanner$_position === t2)
  	            return;
  	          character = scanner.super$StringScanner$readChar();
  	          scanner._adjustLineAndColumn$1(character);
  	          if (character === 10)
  	            break;
  	          t3.writeCharCode$1(character);
  	        }
  	      }
  	    },
  	    visitCalculation$1(value) {
  	      var t2, _this = this,
  	        t1 = _this._serialize0$_buffer;
  	      t1.write$1(0, value.name);
  	      t1.writeCharCode$1(40);
  	      t2 = _this._serialize0$_style === B.OutputStyle_10 ? "," : ", ";
  	      _this._serialize0$_writeBetween$3(value.$arguments, t2, _this.get$_serialize0$_writeCalculationValue());
  	      t1.writeCharCode$1(41);
  	    },
  	    _serialize0$_writeCalculationValue$1(value) {
  	      var t1, _0_0, _1_0, first, rest, left, right, operator, parenthesizeLeft, operatorWhitespace, parenthesizeRight, t2, _this = this;
  	      $label1$1: {
  	        t1 = value instanceof A.SassNumber0;
  	        if (t1 && !isFinite(value._number1$_value)) {
  	          $label0$0: {
  	            _0_0 = value._number1$_value;
  	            if (1 / 0 === _0_0) {
  	              _this._serialize0$_buffer.write$1(0, "infinity");
  	              break $label0$0;
  	            }
  	            if (-1 / 0 === _0_0) {
  	              _this._serialize0$_buffer.write$1(0, "-infinity");
  	              break $label0$0;
  	            }
  	            if (isNaN(_0_0))
  	              _this._serialize0$_buffer.write$1(0, "NaN");
  	          }
  	          _this._serialize0$_writeCalculationUnits$2(value.get$numeratorUnits(value), value.get$denominatorUnits(value));
  	          break $label1$1;
  	        }
  	        if (t1 && value.get$hasComplexUnits()) {
  	          _this._serialize0$_writeNumber$1(value._number1$_value);
  	          _1_0 = value.get$numeratorUnits(value);
  	          if (_1_0.length >= 1) {
  	            first = _1_0[0];
  	            rest = B.JSArray_methods.sublist$1(_1_0, 1);
  	            _this._serialize0$_buffer.write$1(0, first);
  	            _this._serialize0$_writeCalculationUnits$2(rest, value.get$denominatorUnits(value));
  	          } else
  	            _this._serialize0$_writeCalculationUnits$2(A._setArrayType([], type$.JSArray_String), value.get$denominatorUnits(value));
  	          break $label1$1;
  	        }
  	        if (value instanceof A.Value0) {
  	          value.accept$1(_this);
  	          break $label1$1;
  	        }
  	        t1 = value instanceof A.CalculationOperation0;
  	        left = null;
  	        right = null;
  	        if (t1) {
  	          operator = value._calculation0$_operator;
  	          left = value._calculation0$_left;
  	          right = value._calculation0$_right;
  	        } else
  	          operator = null;
  	        if (t1) {
  	          parenthesizeLeft = left instanceof A.CalculationOperation0 && left._calculation0$_operator.precedence < operator.precedence;
  	          if (parenthesizeLeft)
  	            _this._serialize0$_buffer.writeCharCode$1(40);
  	          _this._serialize0$_writeCalculationValue$1(left);
  	          if (parenthesizeLeft)
  	            _this._serialize0$_buffer.writeCharCode$1(41);
  	          operatorWhitespace = _this._serialize0$_style !== B.OutputStyle_10 || operator.precedence === 1;
  	          if (operatorWhitespace)
  	            _this._serialize0$_buffer.writeCharCode$1(32);
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, operator.operator);
  	          if (operatorWhitespace)
  	            t1.writeCharCode$1(32);
  	          if (!(right instanceof A.CalculationOperation0 && _this._serialize0$_parenthesizeCalculationRhs$2(operator, right._calculation0$_operator))) {
  	            parenthesizeRight = false;
  	            if (operator === B.CalculationOperator_wFL0) {
  	              if (right instanceof A.SassNumber0)
  	                t2 = isFinite(right._number1$_value) ? right.get$hasComplexUnits() : right.get$hasUnits();
  	              else
  	                t2 = parenthesizeRight;
  	              parenthesizeRight = t2;
  	            }
  	          } else
  	            parenthesizeRight = true;
  	          if (parenthesizeRight)
  	            t1.writeCharCode$1(40);
  	          _this._serialize0$_writeCalculationValue$1(right);
  	          if (parenthesizeRight)
  	            t1.writeCharCode$1(41);
  	        }
  	      }
  	    },
  	    _serialize0$_writeCalculationUnits$2(numeratorUnits, denominatorUnits) {
  	      var t1, t2, t3, t4;
  	      for (t1 = J.get$iterator$ax(numeratorUnits), t2 = this._serialize0$_buffer, t3 = this._serialize0$_style !== B.OutputStyle_10; t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(42);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(49);
  	        t2.write$1(0, t4);
  	      }
  	      for (t1 = J.get$iterator$ax(denominatorUnits); t1.moveNext$0();) {
  	        t4 = t1.get$current(t1);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(47);
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.writeCharCode$1(49);
  	        t2.write$1(0, t4);
  	      }
  	    },
  	    _serialize0$_parenthesizeCalculationRhs$2(outer, right) {
  	      var t1;
  	      $label0$0: {
  	        if (B.CalculationOperator_wFL0 === outer) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (B.CalculationOperator_dpX0 === outer) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        t1 = right === B.CalculationOperator_dpX0 || right === B.CalculationOperator_KrC0;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    visitColor$1(value) {
  	      var _0_0, _0_2, _0_6, t1, _0_4, _0_6_isSet, t2, _0_10_isSet, _0_10, _0_12_isSet, _0_14, _0_12, _0_14_isSet, t3, _0_10_isSet0, polar, t4, t5, _this = this, _null = null;
  	      $label0$0: {
  	        _0_0 = value._color0$_space;
  	        _0_2 = B.RgbColorSpace_i0P0 === _0_0;
  	        _0_6 = _null;
  	        t1 = true;
  	        if (!_0_2) {
  	          _0_4 = B.HslColorSpace_JQ20 === _0_0;
  	          _0_6_isSet = !_0_4;
  	          if (_0_6_isSet) {
  	            _0_6 = B.HwbColorSpace_guQ0 === _0_0;
  	            t1 = _0_6;
  	          }
  	        } else {
  	          _0_4 = _null;
  	          _0_6_isSet = false;
  	        }
  	        if (t1 && value.channel0OrNull != null && value.channel1OrNull != null && value.channel2OrNull != null && value.alphaOrNull != null) {
  	          _this._serialize0$_writeLegacyColor$1(value);
  	          break $label0$0;
  	        }
  	        if (_0_2) {
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, "rgb(");
  	          _this._serialize0$_writeChannel$1(value.channel0OrNull);
  	          t1.writeCharCode$1(32);
  	          _this._serialize0$_writeChannel$1(value.channel1OrNull);
  	          t1.writeCharCode$1(32);
  	          _this._serialize0$_writeChannel$1(value.channel2OrNull);
  	          _this._serialize0$_maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        if (!_0_4)
  	          t1 = _0_6_isSet ? _0_6 : B.HwbColorSpace_guQ0 === _0_0;
  	        else
  	          t1 = true;
  	        if (t1) {
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, _0_0);
  	          t1.writeCharCode$1(40);
  	          t2 = _this._serialize0$_style === B.OutputStyle_10 ? _null : "deg";
  	          _this._serialize0$_writeChannel$2(value.channel0OrNull, t2);
  	          t1.writeCharCode$1(32);
  	          _this._serialize0$_writeChannel$2(value.channel1OrNull, "%");
  	          t1.writeCharCode$1(32);
  	          _this._serialize0$_writeChannel$2(value.channel2OrNull, "%");
  	          _this._serialize0$_maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        _0_10_isSet = B.LabColorSpace_2nT0 !== _0_0;
  	        if (_0_10_isSet) {
  	          _0_10 = B.LchColorSpace_Bpv0 === _0_0;
  	          t1 = _0_10;
  	        } else {
  	          _0_10 = _null;
  	          t1 = true;
  	        }
  	        t2 = false;
  	        if (t1)
  	          if (!_this._serialize0$_inspect) {
  	            t1 = value.channel0OrNull;
  	            if (t1 == null)
  	              t1 = 0;
  	            if (t1 > 0 || A.fuzzyEquals0(t1, 0))
  	              t1 = t1 < 100 || A.fuzzyEquals0(t1, 100);
  	            else
  	              t1 = false;
  	            t1 = !t1 && value.channel1OrNull != null && value.channel2OrNull != null;
  	          } else
  	            t1 = t2;
  	        else
  	          t1 = t2;
  	        _0_12_isSet = !t1;
  	        _0_14 = _null;
  	        if (_0_12_isSet) {
  	          _0_12 = B.OklabColorSpace_5400 === _0_0;
  	          t1 = false;
  	          _0_14_isSet = !_0_12;
  	          if (_0_14_isSet) {
  	            _0_14 = B.OklchColorSpace_9Gj0 === _0_0;
  	            t2 = _0_14;
  	          } else
  	            t2 = true;
  	          t3 = false;
  	          if (t2)
  	            if (!_this._serialize0$_inspect) {
  	              t2 = value.channel0OrNull;
  	              if (t2 == null)
  	                t2 = 0;
  	              if (t2 > 0 || A.fuzzyEquals0(t2, 0))
  	                t2 = t2 < 1 || A.fuzzyEquals0(t2, 1);
  	              else
  	                t2 = false;
  	              t2 = !t2 && value.channel1OrNull != null && value.channel2OrNull != null;
  	            } else
  	              t2 = t3;
  	          else
  	            t2 = t3;
  	          if (!t2) {
  	            if (_0_10_isSet) {
  	              t2 = _0_10;
  	              _0_10_isSet0 = _0_10_isSet;
  	            } else {
  	              _0_10 = B.LchColorSpace_Bpv0 === _0_0;
  	              t2 = _0_10;
  	              _0_10_isSet0 = true;
  	            }
  	            if (!t2)
  	              if (_0_14_isSet)
  	                t2 = _0_14;
  	              else {
  	                _0_14 = B.OklchColorSpace_9Gj0 === _0_0;
  	                t2 = _0_14;
  	                _0_14_isSet = true;
  	              }
  	            else
  	              t2 = true;
  	            if (t2)
  	              if (!_this._serialize0$_inspect) {
  	                t1 = value.channel1OrNull;
  	                t2 = t1 == null;
  	                if (t2)
  	                  t1 = 0;
  	                t1 = t1 < 0 && !A.fuzzyEquals0(t1, 0) && value.channel0OrNull != null && !t2;
  	              }
  	          } else {
  	            _0_10_isSet0 = _0_10_isSet;
  	            t1 = true;
  	          }
  	        } else {
  	          _0_12 = _null;
  	          _0_10_isSet0 = _0_10_isSet;
  	          _0_14_isSet = false;
  	          t1 = true;
  	        }
  	        if (t1) {
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, "color-mix(in ");
  	          t1.write$1(0, _0_0);
  	          t2 = _this._serialize0$_style === B.OutputStyle_10;
  	          t1.write$1(0, t2 ? "," : ", ");
  	          _this._serialize0$_writeColorFunction$1(value.toSpace$1(B.XyzD65ColorSpace_WiJ0));
  	          if (!t2)
  	            t1.writeCharCode$1(32);
  	          t1.write$1(0, "100%");
  	          t1.write$1(0, t2 ? "," : ", ");
  	          t1.write$1(0, t2 ? "red" : "black");
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        if (_0_10_isSet)
  	          if (!(_0_12_isSet ? _0_12 : B.OklabColorSpace_5400 === _0_0))
  	            if (!(_0_10_isSet0 ? _0_10 : B.LchColorSpace_Bpv0 === _0_0))
  	              t1 = _0_14_isSet ? _0_14 : B.OklchColorSpace_9Gj0 === _0_0;
  	        if (t1) {
  	          t1 = _this._serialize0$_buffer;
  	          t1.write$1(0, _0_0);
  	          t1.writeCharCode$1(40);
  	          t2 = _0_0._space$_channels;
  	          polar = t2[2].isPolarAngle;
  	          t3 = false;
  	          if (!_this._serialize0$_inspect) {
  	            t4 = value.channel0OrNull;
  	            if (t4 == null)
  	              t4 = 0;
  	            if (t4 > 0 || A.fuzzyEquals0(t4, 0))
  	              t4 = t4 < 100 || A.fuzzyEquals0(t4, 100);
  	            else
  	              t4 = false;
  	            if (t4) {
  	              if (polar) {
  	                t3 = value.channel1OrNull;
  	                if (t3 == null)
  	                  t3 = 0;
  	                t3 = t3 < 0 && !A.fuzzyEquals0(t3, 0);
  	              }
  	            } else
  	              t3 = true;
  	          }
  	          if (t3) {
  	            t1.write$1(0, "from ");
  	            t1.write$1(0, _this._serialize0$_style === B.OutputStyle_10 ? "red" : "black");
  	            t1.writeCharCode$1(32);
  	          }
  	          t3 = _this._serialize0$_style !== B.OutputStyle_10;
  	          t4 = t3 && value.channel0OrNull != null;
  	          t5 = value.channel0OrNull;
  	          if (t4) {
  	            t2 = type$.LinearChannel_2._as(t2[0]);
  	            _this._serialize0$_writeNumber$1((t5 == null ? 0 : t5) * 100 / t2.max);
  	            t1.writeCharCode$1(37);
  	          } else
  	            _this._serialize0$_writeChannel$1(t5);
  	          t1.writeCharCode$1(32);
  	          _this._serialize0$_writeChannel$1(value.channel1OrNull);
  	          t1.writeCharCode$1(32);
  	          t2 = polar && t3 ? "deg" : _null;
  	          _this._serialize0$_writeChannel$2(value.channel2OrNull, t2);
  	          _this._serialize0$_maybeWriteSlashAlpha$1(value);
  	          t1.writeCharCode$1(41);
  	          break $label0$0;
  	        }
  	        _this._serialize0$_writeColorFunction$1(value);
  	      }
  	    },
  	    _serialize0$_writeChannel$2(channel, unit) {
  	      var _this = this;
  	      if (channel == null)
  	        _this._serialize0$_buffer.write$1(0, "none");
  	      else if (isFinite(channel)) {
  	        _this._serialize0$_writeNumber$1(channel);
  	        if (unit != null)
  	          _this._serialize0$_buffer.write$1(0, unit);
  	      } else
  	        _this.visitNumber$1(A.SassNumber_SassNumber0(channel, unit));
  	    },
  	    _serialize0$_writeChannel$1(channel) {
  	      return this._serialize0$_writeChannel$2(channel, null);
  	    },
  	    _serialize0$_writeLegacyColor$1(color) {
  	      var rgb, t3, red, green, blue, hsl, hue, saturation, lightness, hwb, _0_0, format, _1_0, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals0(t2 ? 0 : t1, 1);
  	      if (!color.get$isInGamut() && !_this._serialize0$_inspect) {
  	        _this._serialize0$_writeHsl$1(color);
  	        return;
  	      }
  	      if (_this._serialize0$_style === B.OutputStyle_10) {
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P0);
  	        if (opaque && _this._serialize0$_tryIntegerRgb$1(rgb))
  	          return;
  	        t3 = rgb.channel0OrNull;
  	        red = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = rgb.channel1OrNull;
  	        green = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = rgb.channel2OrNull;
  	        blue = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ20);
  	        t3 = hsl.channel0OrNull;
  	        hue = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = hsl.channel1OrNull;
  	        saturation = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = hsl.channel2OrNull;
  	        lightness = _this._serialize0$_writeNumberToString$1(t3 == null ? 0 : t3);
  	        t3 = _this._serialize0$_buffer;
  	        if (red.length + green.length + blue.length <= hue.length + saturation.length + lightness.length + 2) {
  	          t3.write$1(0, opaque ? "rgb(" : "rgba(");
  	          t3.write$1(0, red);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, green);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, blue);
  	        } else {
  	          t3.write$1(0, opaque ? "hsl(" : "hsla(");
  	          t3.write$1(0, hue);
  	          t3.writeCharCode$1(44);
  	          t3.write$1(0, saturation);
  	          t3.write$1(0, "%,");
  	          t3.write$1(0, lightness);
  	          t3.writeCharCode$1(37);
  	        }
  	        if (!opaque) {
  	          t3.writeCharCode$1(44);
  	          _this._serialize0$_writeNumber$1(t2 ? 0 : t1);
  	        }
  	        t3.writeCharCode$1(41);
  	        return;
  	      }
  	      t3 = color._color0$_space;
  	      if (t3 === B.HslColorSpace_JQ20) {
  	        _this._serialize0$_writeHsl$1(color);
  	        return;
  	      } else if (_this._serialize0$_inspect && t3 === B.HwbColorSpace_guQ0) {
  	        t3 = _this._serialize0$_buffer;
  	        t3.write$1(0, "hwb(");
  	        hwb = color.toSpace$1(B.HwbColorSpace_guQ0);
  	        _this._serialize0$_writeNumber$1(hwb.channel$1(0, "hue"));
  	        t3.writeCharCode$1(32);
  	        _this._serialize0$_writeNumber$1(hwb.channel$1(0, "whiteness"));
  	        t3.writeCharCode$1(37);
  	        t3.writeCharCode$1(32);
  	        _this._serialize0$_writeNumber$1(hwb.channel$1(0, "blackness"));
  	        t3.writeCharCode$1(37);
  	        if (!A.fuzzyEquals0(t2 ? 0 : t1, 1)) {
  	          t3.write$1(0, " / ");
  	          _this._serialize0$_writeNumber$1(t2 ? 0 : t1);
  	        }
  	        t3.writeCharCode$1(41);
  	        return;
  	      }
  	      _0_0 = color.format;
  	      if (B.C__ColorFormatEnum0 === _0_0) {
  	        _this._serialize0$_writeRgb$1(color);
  	        return;
  	      }
  	      t1 = _0_0 instanceof A.SpanColorFormat0;
  	      format = t1 ? _0_0 : null;
  	      if (t1) {
  	        _this._serialize0$_buffer.write$1(0, format._color0$_span.get$text());
  	        return;
  	      }
  	      if (opaque) {
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P0);
  	        _1_0 = $.$get$namesByColor0().$index(0, rgb);
  	        if (_1_0 != null) {
  	          _this._serialize0$_buffer.write$1(0, _1_0);
  	          return;
  	        }
  	        if (_this._serialize0$_canUseHex$1(rgb)) {
  	          _this._serialize0$_buffer.writeCharCode$1(35);
  	          t1 = rgb.channel0OrNull;
  	          _this._serialize0$_writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          t1 = rgb.channel1OrNull;
  	          _this._serialize0$_writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          t1 = rgb.channel2OrNull;
  	          _this._serialize0$_writeHexComponent$1(B.JSNumber_methods.round$0(t1 == null ? 0 : t1));
  	          return;
  	        }
  	      }
  	      if (t3 === B.HwbColorSpace_guQ0)
  	        _this._serialize0$_writeHsl$1(color);
  	      else
  	        _this._serialize0$_writeRgb$1(color);
  	    },
  	    _serialize0$_tryIntegerRgb$1(rgb) {
  	      var t1, redInt, greenInt, blueInt, shortHex, _0_0, t2, t3, $name, _this = this;
  	      if (!_this._serialize0$_canUseHex$1(rgb))
  	        return false;
  	      t1 = rgb.channel0OrNull;
  	      redInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = rgb.channel1OrNull;
  	      greenInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = rgb.channel2OrNull;
  	      blueInt = B.JSNumber_methods.round$0(t1 == null ? 0 : t1);
  	      t1 = redInt & 15;
  	      shortHex = t1 === B.JSInt_methods._shrOtherPositive$1(redInt, 4) && (greenInt & 15) === B.JSInt_methods._shrOtherPositive$1(greenInt, 4) && (blueInt & 15) === B.JSInt_methods._shrOtherPositive$1(blueInt, 4);
  	      _0_0 = $.$get$namesByColor0().$index(0, rgb);
  	      t2 = false;
  	      if (_0_0 != null) {
  	        t3 = _0_0.length;
  	        t2 = t3 <= (shortHex ? 4 : 7);
  	        $name = _0_0;
  	      } else
  	        $name = null;
  	      if (t2)
  	        _this._serialize0$_buffer.write$1(0, $name);
  	      else {
  	        t2 = _this._serialize0$_buffer;
  	        if (shortHex) {
  	          t2.writeCharCode$1(35);
  	          t2.writeCharCode$1(A.hexCharFor0(t1));
  	          t2.writeCharCode$1(A.hexCharFor0(greenInt & 15));
  	          t2.writeCharCode$1(A.hexCharFor0(blueInt & 15));
  	        } else {
  	          t2.writeCharCode$1(35);
  	          _this._serialize0$_writeHexComponent$1(redInt);
  	          _this._serialize0$_writeHexComponent$1(greenInt);
  	          _this._serialize0$_writeHexComponent$1(blueInt);
  	        }
  	      }
  	      return true;
  	    },
  	    _serialize0$_canUseHex$1(rgb) {
  	      var t2,
  	        t1 = rgb.channel0OrNull;
  	      if (t1 == null)
  	        t1 = 0;
  	      if (A.fuzzyIsInt0(t1))
  	        t1 = (t1 > 0 || A.fuzzyEquals0(t1, 0)) && t1 < 256 && !A.fuzzyEquals0(t1, 256);
  	      else
  	        t1 = false;
  	      t2 = false;
  	      if (t1) {
  	        t1 = rgb.channel1OrNull;
  	        if (t1 == null)
  	          t1 = 0;
  	        if (A.fuzzyIsInt0(t1))
  	          t1 = (t1 > 0 || A.fuzzyEquals0(t1, 0)) && t1 < 256 && !A.fuzzyEquals0(t1, 256);
  	        else
  	          t1 = false;
  	        if (t1) {
  	          t1 = rgb.channel2OrNull;
  	          if (t1 == null)
  	            t1 = 0;
  	          if (A.fuzzyIsInt0(t1))
  	            t1 = (t1 > 0 || A.fuzzyEquals0(t1, 0)) && t1 < 256 && !A.fuzzyEquals0(t1, 256);
  	          else
  	            t1 = t2;
  	        } else
  	          t1 = t2;
  	      } else
  	        t1 = t2;
  	      return t1;
  	    },
  	    _serialize0$_writeRgb$1(color) {
  	      var t4, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals0(t2 ? 0 : t1, 1),
  	        rgb = color.toSpace$1(B.RgbColorSpace_i0P0),
  	        t3 = _this._serialize0$_buffer;
  	      t3.write$1(0, opaque ? "rgb(" : "rgba(");
  	      _this._serialize0$_writeNumber$1(rgb.channel$1(0, "red"));
  	      t4 = _this._serialize0$_style === B.OutputStyle_10;
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._serialize0$_writeNumber$1(rgb.channel$1(0, "green"));
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._serialize0$_writeNumber$1(rgb.channel$1(0, "blue"));
  	      if (!opaque) {
  	        t3.write$1(0, t4 ? "," : ", ");
  	        _this._serialize0$_writeNumber$1(t2 ? 0 : t1);
  	      }
  	      t3.writeCharCode$1(41);
  	    },
  	    _serialize0$_writeHsl$1(color) {
  	      var t4, _this = this,
  	        t1 = color.alphaOrNull,
  	        t2 = t1 == null,
  	        opaque = A.fuzzyEquals0(t2 ? 0 : t1, 1),
  	        hsl = color.toSpace$1(B.HslColorSpace_JQ20),
  	        t3 = _this._serialize0$_buffer;
  	      t3.write$1(0, opaque ? "hsl(" : "hsla(");
  	      _this._serialize0$_writeChannel$1(hsl.channel$1(0, "hue"));
  	      t4 = _this._serialize0$_style === B.OutputStyle_10;
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._serialize0$_writeChannel$2(hsl.channel$1(0, "saturation"), "%");
  	      t3.write$1(0, t4 ? "," : ", ");
  	      _this._serialize0$_writeChannel$2(hsl.channel$1(0, "lightness"), "%");
  	      if (!opaque) {
  	        t3.write$1(0, t4 ? "," : ", ");
  	        _this._serialize0$_writeNumber$1(t2 ? 0 : t1);
  	      }
  	      t3.writeCharCode$1(41);
  	    },
  	    _serialize0$_writeColorFunction$1(color) {
  	      var _this = this,
  	        t1 = _this._serialize0$_buffer;
  	      t1.write$1(0, "color(");
  	      t1.write$1(0, color._color0$_space);
  	      t1.writeCharCode$1(32);
  	      _this._serialize0$_writeBetween$3(color.get$channelsOrNull(), " ", _this.get$_serialize0$_writeChannel());
  	      _this._serialize0$_maybeWriteSlashAlpha$1(color);
  	      t1.writeCharCode$1(41);
  	    },
  	    _serialize0$_writeHexComponent$1(color) {
  	      var t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(A.hexCharFor0(B.JSInt_methods._shrOtherPositive$1(color, 4)));
  	      t1.writeCharCode$1(A.hexCharFor0(color & 15));
  	    },
  	    _serialize0$_maybeWriteSlashAlpha$1(color) {
  	      var t2, t3, _this = this,
  	        t1 = color.alphaOrNull;
  	      if (A.fuzzyEquals0(t1 == null ? 0 : t1, 1))
  	        return;
  	      t2 = _this._serialize0$_style !== B.OutputStyle_10;
  	      if (t2)
  	        _this._serialize0$_buffer.writeCharCode$1(32);
  	      t3 = _this._serialize0$_buffer;
  	      t3.writeCharCode$1(47);
  	      if (t2)
  	        t3.writeCharCode$1(32);
  	      _this._serialize0$_writeChannel$1(t1);
  	    },
  	    visitList$1(value) {
  	      var t2, singleton, t3, t4, t5, _this = this,
  	        t1 = value._list1$_hasBrackets;
  	      if (t1)
  	        _this._serialize0$_buffer.writeCharCode$1(91);
  	      else if (value._list1$_contents.length === 0) {
  	        if (!_this._serialize0$_inspect)
  	          throw A.wrapException(A.SassScriptException$0("() isn't a valid CSS value.", null));
  	        _this._serialize0$_buffer.write$1(0, "()");
  	        return;
  	      }
  	      t2 = _this._serialize0$_inspect;
  	      singleton = false;
  	      if (t2)
  	        if (value._list1$_contents.length === 1) {
  	          t3 = value._list1$_separator;
  	          t3 = t3 === B.ListSeparator_z0K0 || t3 === B.ListSeparator_Lul0;
  	          singleton = t3;
  	        }
  	      if (singleton && !t1)
  	        _this._serialize0$_buffer.writeCharCode$1(40);
  	      t3 = value._list1$_contents;
  	      t3 = t2 ? t3 : new A.WhereIterable(t3, new A._SerializeVisitor_visitList_closure2(), A._arrayInstanceType(t3)._eval$1("WhereIterable<1>"));
  	      t4 = value._list1$_separator;
  	      t5 = _this._serialize0$_separatorString$1(t4);
  	      _this._serialize0$_writeBetween$3(t3, t5, t2 ? new A._SerializeVisitor_visitList_closure3(_this, value) : new A._SerializeVisitor_visitList_closure4(_this));
  	      if (singleton) {
  	        t2 = _this._serialize0$_buffer;
  	        t2.write$1(0, t4.separator);
  	        if (!t1)
  	          t2.writeCharCode$1(41);
  	      }
  	      if (t1)
  	        _this._serialize0$_buffer.writeCharCode$1(93);
  	    },
  	    _serialize0$_separatorString$1(separator) {
  	      var t1;
  	      $label0$0: {
  	        if (B.ListSeparator_z0K0 === separator) {
  	          t1 = this._serialize0$_style === B.OutputStyle_10 ? "," : ", ";
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_Lul0 === separator) {
  	          t1 = this._serialize0$_style === B.OutputStyle_10 ? "/" : " / ";
  	          break $label0$0;
  	        }
  	        if (B.ListSeparator_SrV0 === separator) {
  	          t1 = " ";
  	          break $label0$0;
  	        }
  	        t1 = "";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _serialize0$_elementNeedsParens$2(separator, value) {
  	      var t1;
  	      $label1$1: {
  	        if (value instanceof A.SassList0 && value._list1$_contents.length > 1 && !value._list1$_hasBrackets) {
  	          $label0$0: {
  	            if (B.ListSeparator_z0K0 === separator) {
  	              t1 = value._list1$_separator === B.ListSeparator_z0K0;
  	              break $label0$0;
  	            }
  	            if (B.ListSeparator_Lul0 === separator) {
  	              t1 = value._list1$_separator;
  	              t1 = t1 === B.ListSeparator_z0K0 || t1 === B.ListSeparator_Lul0;
  	              break $label0$0;
  	            }
  	            t1 = value._list1$_separator !== B.ListSeparator_undecided_null_3_undecided0;
  	            break $label0$0;
  	          }
  	          break $label1$1;
  	        }
  	        t1 = false;
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    visitMap$1(map) {
  	      var t1, t2, _this = this;
  	      if (!_this._serialize0$_inspect)
  	        throw A.wrapException(A.SassScriptException$0(map.toString$0(0) + " isn't a valid CSS value.", null));
  	      t1 = _this._serialize0$_buffer;
  	      t1.writeCharCode$1(40);
  	      t2 = map._map0$_contents;
  	      _this._serialize0$_writeBetween$3(t2.get$entries(t2), ", ", new A._SerializeVisitor_visitMap_closure0(_this));
  	      t1.writeCharCode$1(41);
  	    },
  	    _serialize0$_writeMapElement$1(value) {
  	      var needsParens = value instanceof A.SassList0 && value._list1$_separator === B.ListSeparator_z0K0 && !value._list1$_hasBrackets;
  	      if (needsParens)
  	        this._serialize0$_buffer.writeCharCode$1(40);
  	      value.accept$1(this);
  	      if (needsParens)
  	        this._serialize0$_buffer.writeCharCode$1(41);
  	    },
  	    visitNumber$1(value) {
  	      var before, after, t1, _1_0, _this = this,
  	        _0_0 = value.asSlash;
  	      if (type$.Record_2_nullable_Object_and_nullable_Object._is(_0_0)) {
  	        before = _0_0._0;
  	        after = _0_0._1;
  	        _this.visitNumber$1(before);
  	        _this._serialize0$_buffer.writeCharCode$1(47);
  	        _this.visitNumber$1(after);
  	        return;
  	      }
  	      t1 = value._number1$_value;
  	      if (!isFinite(t1)) {
  	        _this.visitCalculation$1(new A.SassCalculation0("calc", A.List_List$unmodifiable(A._setArrayType([value], type$.JSArray_Object), type$.Object)));
  	        return;
  	      }
  	      if (value.get$hasComplexUnits())
  	        _this.visitCalculation$1(new A.SassCalculation0("calc", A.List_List$unmodifiable(A._setArrayType([value], type$.JSArray_Object), type$.Object)));
  	      else {
  	        _this._serialize0$_writeNumber$1(t1);
  	        _1_0 = value.get$numeratorUnits(value);
  	        if (_1_0.length === 1)
  	          _this._serialize0$_buffer.write$1(0, _1_0[0]);
  	      }
  	    },
  	    _serialize0$_writeNumberToString$1(number) {
  	      var t1 = new A.StringBuffer("");
  	      this._serialize0$_writeNumber$2(number, new A.NoSourceMapBuffer0(t1));
  	      t1 = t1._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    _serialize0$_writeNumber$2(number, buffer) {
  	      var _0_0, t1, integer, text, _this = this;
  	      if (buffer == null)
  	        buffer = _this._serialize0$_buffer;
  	      _0_0 = A.fuzzyAsInt0(number);
  	      t1 = false;
  	      if (_0_0 != null) {
  	        t1 = !_this._serialize0$_inspect || number === _0_0;
  	        integer = _0_0;
  	      } else
  	        integer = null;
  	      if (t1) {
  	        buffer.write$1(0, _this._serialize0$_removeExponent$1(J.toString$0$(integer)));
  	        return;
  	      }
  	      text = _this._serialize0$_removeExponent$1(B.JSNumber_methods.toString$0(number));
  	      if (_this._serialize0$_inspect) {
  	        buffer.write$1(0, text);
  	        return;
  	      }
  	      if (text.length < 12) {
  	        buffer.write$1(0, _this._serialize0$_style === B.OutputStyle_10 && text.charCodeAt(0) === 48 ? B.JSString_methods.substring$1(text, 1) : text);
  	        return;
  	      }
  	      _this._serialize0$_writeRounded$2(text, buffer);
  	    },
  	    _serialize0$_writeNumber$1(number) {
  	      return this._serialize0$_writeNumber$2(number, null);
  	    },
  	    _serialize0$_removeExponent$1(text) {
  	      var buffer, t2, t3, additionalZeroes,
  	        negative = text.charCodeAt(0) === 45,
  	        exponent = A._Cell$(),
  	        t1 = text.length,
  	        i = 0;
  	      for (;;) {
  	        if (!(i < t1)) {
  	          buffer = null;
  	          break;
  	        }
  	        c$0: {
  	          if (text.charCodeAt(i) !== 101)
  	            break c$0;
  	          buffer = new A.StringBuffer("");
  	          t2 = buffer._contents = A.Primitives_stringFromCharCode(text.charCodeAt(0));
  	          if (negative) {
  	            t2 += A.Primitives_stringFromCharCode(text.charCodeAt(1));
  	            buffer._contents = t2;
  	            if (i > 3)
  	              buffer._contents = t2 + B.JSString_methods.substring$2(text, 3, i);
  	          } else if (i > 2)
  	            buffer._contents = t2 + B.JSString_methods.substring$2(text, 2, i);
  	          exponent.__late_helper$_value = A.int_parse(B.JSString_methods.substring$2(text, i + 1, t1), null);
  	          break;
  	        }
  	        ++i;
  	      }
  	      if (buffer == null)
  	        return text;
  	      if (exponent._readLocal$0() > 0) {
  	        t1 = exponent._readLocal$0();
  	        t2 = buffer._contents;
  	        t3 = negative ? 1 : 0;
  	        additionalZeroes = t1 - (t2.length - 1 - t3);
  	        for (t1 = t2, i = 0; i < additionalZeroes; ++i) {
  	          t1 = A.Primitives_stringFromCharCode(48);
  	          t1 = buffer._contents += t1;
  	        }
  	        return t1.charCodeAt(0) == 0 ? t1 : t1;
  	      } else {
  	        negative = text.charCodeAt(0) === 45;
  	        t1 = (negative ? A.Primitives_stringFromCharCode(45) : "") + "0.";
  	        i = -1;
  	        for (;;) {
  	          t2 = exponent.__late_helper$_value;
  	          if (t2 === exponent)
  	            A.throwExpression(A.LateError$localNI(""));
  	          if (!(i > t2))
  	            break;
  	          t1 += A.Primitives_stringFromCharCode(48);
  	          --i;
  	        }
  	        if (negative) {
  	          t2 = buffer._contents;
  	          t2 = B.JSString_methods.substring$1(t2.charCodeAt(0) == 0 ? t2 : t2, 1);
  	        } else
  	          t2 = buffer;
  	        t2 = t1 + A.S(t2);
  	        return t2.charCodeAt(0) == 0 ? t2 : t2;
  	      }
  	    },
  	    _serialize0$_writeRounded$2(text, buffer) {
  	      var t1, digits, negative, textIndex, digitsIndex, textIndex0, codeUnit, digitsIndex0, indexAfterPrecision, digitsIndex1, newDigit, writtenIndex;
  	      if (B.JSString_methods.endsWith$1(text, ".0")) {
  	        buffer.write$1(0, B.JSString_methods.substring$2(text, 0, text.length - 2));
  	        return;
  	      }
  	      t1 = text.length;
  	      digits = new Uint8Array(t1 + 1);
  	      negative = text.charCodeAt(0) === 45;
  	      textIndex = negative ? 1 : 0;
  	      for (digitsIndex = 1;; textIndex = textIndex0, digitsIndex = digitsIndex0) {
  	        if (textIndex === t1) {
  	          buffer.write$1(0, text);
  	          return;
  	        }
  	        textIndex0 = textIndex + 1;
  	        codeUnit = text.charCodeAt(textIndex);
  	        if (codeUnit === 46) {
  	          textIndex = textIndex0;
  	          break;
  	        }
  	        digitsIndex0 = digitsIndex + 1;
  	        digits[digitsIndex] = codeUnit - 48;
  	      }
  	      indexAfterPrecision = textIndex + 10;
  	      if (indexAfterPrecision >= t1) {
  	        buffer.write$1(0, text);
  	        return;
  	      }
  	      for (digitsIndex0 = digitsIndex; textIndex < indexAfterPrecision; textIndex = textIndex0, digitsIndex0 = digitsIndex1) {
  	        digitsIndex1 = digitsIndex0 + 1;
  	        textIndex0 = textIndex + 1;
  	        digits[digitsIndex0] = text.charCodeAt(textIndex) - 48;
  	      }
  	      if (text.charCodeAt(textIndex) - 48 >= 5)
  	        for (;; digitsIndex0 = digitsIndex1) {
  	          digitsIndex1 = digitsIndex0 - 1;
  	          newDigit = digits[digitsIndex1] + 1;
  	          digits[digitsIndex1] = newDigit;
  	          if (newDigit !== 10)
  	            break;
  	        }
  	      for (; digitsIndex0 < digitsIndex; ++digitsIndex0)
  	        digits[digitsIndex0] = 0;
  	      for (;;) {
  	        t1 = digitsIndex0 > digitsIndex;
  	        if (!(t1 && digits[digitsIndex0 - 1] === 0))
  	          break;
  	        --digitsIndex0;
  	      }
  	      if (digitsIndex0 === 2 && digits[0] === 0 && digits[1] === 0) {
  	        buffer.writeCharCode$1(48);
  	        return;
  	      }
  	      if (negative)
  	        buffer.writeCharCode$1(45);
  	      if (digits[0] === 0)
  	        writtenIndex = this._serialize0$_style === B.OutputStyle_10 && digits[1] === 0 ? 2 : 1;
  	      else
  	        writtenIndex = 0;
  	      for (; writtenIndex < digitsIndex; ++writtenIndex)
  	        buffer.writeCharCode$1(48 + digits[writtenIndex]);
  	      if (t1) {
  	        buffer.writeCharCode$1(46);
  	        for (; writtenIndex < digitsIndex0; ++writtenIndex)
  	          buffer.writeCharCode$1(48 + digits[writtenIndex]);
  	      }
  	    },
  	    _serialize0$_visitQuotedString$2$forceDoubleQuote(string, forceDoubleQuote) {
  	      var t1, includesSingleQuote, includesDoubleQuote, i, char, _1_2, _1_4, _0_0, quote, _this = this,
  	        buffer = forceDoubleQuote ? _this._serialize0$_buffer : new A.StringBuffer("");
  	      if (forceDoubleQuote)
  	        buffer.writeCharCode$1(34);
  	      for (t1 = string.length, includesSingleQuote = false, includesDoubleQuote = false, i = 0; i < t1; ++i) {
  	        char = string.charCodeAt(i);
  	        _1_2 = 39 === char;
  	        if (_1_2 && forceDoubleQuote) {
  	          buffer.writeCharCode$1(39);
  	          continue;
  	        }
  	        if (_1_2 && includesDoubleQuote) {
  	          _this._serialize0$_visitQuotedString$2$forceDoubleQuote(string, true);
  	          return;
  	        }
  	        if (_1_2) {
  	          buffer.writeCharCode$1(39);
  	          includesSingleQuote = true;
  	          continue;
  	        }
  	        _1_4 = 34 === char;
  	        if (_1_4 && forceDoubleQuote) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(34);
  	          continue;
  	        }
  	        if (_1_4 && includesSingleQuote) {
  	          _this._serialize0$_visitQuotedString$2$forceDoubleQuote(string, true);
  	          return;
  	        }
  	        if (_1_4) {
  	          buffer.writeCharCode$1(34);
  	          includesDoubleQuote = true;
  	          continue;
  	        }
  	        if (0 === char || 1 === char || 2 === char || 3 === char || 4 === char || 5 === char || 6 === char || 7 === char || 8 === char || 10 === char || 11 === char || 12 === char || 13 === char || 14 === char || 15 === char || 16 === char || 17 === char || 18 === char || 19 === char || 20 === char || 21 === char || 22 === char || 23 === char || 24 === char || 25 === char || 26 === char || 27 === char || 28 === char || 29 === char || 30 === char || 31 === char || 127 === char) {
  	          _this._serialize0$_writeEscape$4(buffer, char, string, i);
  	          continue;
  	        }
  	        if (92 === char) {
  	          buffer.writeCharCode$1(92);
  	          buffer.writeCharCode$1(92);
  	          continue;
  	        }
  	        _0_0 = _this._serialize0$_tryPrivateUseCharacter$4(buffer, char, string, i);
  	        if (_0_0 != null)
  	          i = _0_0;
  	        else
  	          buffer.writeCharCode$1(char);
  	      }
  	      if (forceDoubleQuote)
  	        buffer.writeCharCode$1(34);
  	      else {
  	        quote = includesDoubleQuote ? 39 : 34;
  	        t1 = _this._serialize0$_buffer;
  	        t1.writeCharCode$1(quote);
  	        t1.write$1(0, buffer);
  	        t1.writeCharCode$1(quote);
  	      }
  	    },
  	    _serialize0$_visitQuotedString$1(string) {
  	      return this._serialize0$_visitQuotedString$2$forceDoubleQuote(string, false);
  	    },
  	    _serialize0$_visitUnquotedString$1(string) {
  	      var t1, t2, afterNewline, i, _1_0, _0_0;
  	      for (t1 = string.length, t2 = this._serialize0$_buffer, afterNewline = false, i = 0; i < t1; ++i) {
  	        _1_0 = string.charCodeAt(i);
  	        if (10 === _1_0) {
  	          t2.writeCharCode$1(32);
  	          afterNewline = true;
  	          continue;
  	        }
  	        if (32 === _1_0) {
  	          if (!afterNewline)
  	            t2.writeCharCode$1(32);
  	          continue;
  	        }
  	        _0_0 = this._serialize0$_tryPrivateUseCharacter$4(t2, _1_0, string, i);
  	        if (_0_0 != null)
  	          i = _0_0;
  	        else
  	          t2.writeCharCode$1(_1_0);
  	        afterNewline = false;
  	      }
  	    },
  	    _serialize0$_tryPrivateUseCharacter$4(buffer, codeUnit, string, i) {
  	      var t1;
  	      if (this._serialize0$_style === B.OutputStyle_10)
  	        return null;
  	      if (codeUnit >= 57344 && codeUnit <= 63743) {
  	        this._serialize0$_writeEscape$4(buffer, codeUnit, string, i);
  	        return i;
  	      }
  	      if (codeUnit >>> 7 === 439 && string.length > i + 1) {
  	        t1 = i + 1;
  	        this._serialize0$_writeEscape$4(buffer, A.combineSurrogates(codeUnit, string.charCodeAt(t1)), string, t1);
  	        return t1;
  	      }
  	      return null;
  	    },
  	    _serialize0$_writeEscape$4(buffer, character, string, i) {
  	      var t1, next;
  	      buffer.writeCharCode$1(92);
  	      buffer.write$1(0, B.JSInt_methods.toRadixString$1(character, 16));
  	      t1 = i + 1;
  	      if (string.length === t1)
  	        return;
  	      next = string.charCodeAt(t1);
  	      if (A.CharacterExtension_get_isHex0(next) || 32 === next || 9 === next)
  	        buffer.writeCharCode$1(32);
  	    },
  	    visitAttributeSelector$1(_, attribute) {
  	      var _0_0, t2,
  	        t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(91);
  	      t1.write$1(0, attribute.name);
  	      _0_0 = attribute.value;
  	      if (_0_0 != null) {
  	        t1.write$1(0, attribute.op);
  	        if (A.Parser_isIdentifier0(_0_0) && !B.JSString_methods.startsWith$1(_0_0, "--")) {
  	          t1.write$1(0, _0_0);
  	          t2 = attribute.modifier;
  	          if (t2 != null)
  	            t1.writeCharCode$1(32);
  	        } else {
  	          this._serialize0$_visitQuotedString$1(_0_0);
  	          t2 = attribute.modifier;
  	          if (t2 != null)
  	            if (this._serialize0$_style !== B.OutputStyle_10)
  	              t1.writeCharCode$1(32);
  	        }
  	        A.NullableExtension_andThen0(t2, t1.get$write(t1));
  	      }
  	      t1.writeCharCode$1(93);
  	    },
  	    visitClassSelector$1(_, klass) {
  	      var t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(46);
  	      t1.write$1(0, klass.name);
  	    },
  	    visitComplexSelector$1(complex) {
  	      var t2, t3, t4, t5, t6, i, component, t7, t8, t9, _this = this,
  	        t1 = complex.leadingCombinators;
  	      _this._serialize0$_writeCombinators$1(t1);
  	      if (t1.length >= 1 && complex.components.length >= 1)
  	        if (_this._serialize0$_style !== B.OutputStyle_10)
  	          _this._serialize0$_buffer.writeCharCode$1(32);
  	      for (t1 = complex.components, t2 = t1.length, t3 = t2 - 1, t4 = _this._serialize0$_buffer, t5 = _this._serialize0$_style === B.OutputStyle_10, t6 = !t5, i = 0; i < t2; ++i) {
  	        component = t1[i];
  	        _this.visitCompoundSelector$1(component.selector);
  	        t7 = component.combinators;
  	        t8 = t7.length === 0;
  	        if (!t8)
  	          if (t6)
  	            t4.writeCharCode$1(32);
  	        t9 = t5 ? "" : " ";
  	        _this._serialize0$_writeBetween$3(t7, t9, t4.get$write(t4));
  	        if (i !== t3)
  	          t7 = !t5 || t8;
  	        else
  	          t7 = false;
  	        if (t7)
  	          t4.writeCharCode$1(32);
  	      }
  	    },
  	    _serialize0$_writeCombinators$1(combinators) {
  	      var t1 = this._serialize0$_style === B.OutputStyle_10 ? "" : " ",
  	        t2 = this._serialize0$_buffer;
  	      return this._serialize0$_writeBetween$3(combinators, t1, t2.get$write(t2));
  	    },
  	    visitCompoundSelector$1(compound) {
  	      var t2, t3, _i,
  	        t1 = this._serialize0$_buffer,
  	        start = t1.get$length(t1);
  	      for (t2 = compound.components, t3 = t2.length, _i = 0; _i < t3; ++_i)
  	        t2[_i].accept$1(this);
  	      if (t1.get$length(t1) === start)
  	        t1.writeCharCode$1(42);
  	    },
  	    visitIDSelector$1(_, id) {
  	      var t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(35);
  	      t1.write$1(0, id.name);
  	    },
  	    visitSelectorList$1(list) {
  	      var t1, t2, t3, t4, first, t5, _this = this,
  	        complexes = list.components;
  	      for (t1 = J.get$iterator$ax(_this._serialize0$_inspect ? complexes : new A.WhereIterable(complexes, new A._SerializeVisitor_visitSelectorList_closure0(), A._arrayInstanceType(complexes)._eval$1("WhereIterable<1>"))), t2 = _this._serialize0$_style !== B.OutputStyle_10, t3 = _this._serialize0$_buffer, t4 = _this._lineFeed.text, first = true; t1.moveNext$0();) {
  	        t5 = t1.get$current(t1);
  	        if (first)
  	          first = false;
  	        else {
  	          t3.writeCharCode$1(44);
  	          if (t5.lineBreak) {
  	            if (t2)
  	              t3.write$1(0, t4);
  	            _this._serialize0$_writeIndentation$0();
  	          } else if (t2)
  	            t3.writeCharCode$1(32);
  	        }
  	        _this.visitComplexSelector$1(t5);
  	      }
  	    },
  	    visitParentSelector$1(_, $parent) {
  	      var t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(38);
  	      A.NullableExtension_andThen0($parent.suffix, t1.get$write(t1));
  	    },
  	    visitPlaceholderSelector$1(_, placeholder) {
  	      var t1 = this._serialize0$_buffer;
  	      t1.writeCharCode$1(37);
  	      t1.write$1(0, placeholder.name);
  	    },
  	    visitPseudoSelector$1(_, pseudo) {
  	      var _0_4, t3,
  	        t1 = pseudo.name,
  	        t2 = false;
  	      if ("not" === t1) {
  	        _0_4 = pseudo.selector;
  	        if (_0_4 instanceof A.SelectorList0)
  	          t2 = (_0_4 == null ? type$.SelectorList_2._as(_0_4) : _0_4).accept$1(B._IsInvisibleVisitor_true0);
  	      }
  	      if (t2)
  	        return;
  	      t2 = this._serialize0$_buffer;
  	      t2.writeCharCode$1(58);
  	      if (!pseudo.isSyntacticClass)
  	        t2.writeCharCode$1(58);
  	      t2.write$1(0, t1);
  	      t1 = pseudo.argument;
  	      t3 = t1 == null;
  	      if (t3 && pseudo.selector == null)
  	        return;
  	      t2.writeCharCode$1(40);
  	      if (!t3) {
  	        t2.write$1(0, t1);
  	        if (pseudo.selector != null)
  	          t2.writeCharCode$1(32);
  	      }
  	      A.NullableExtension_andThen0(pseudo.selector, this.get$visitSelectorList());
  	      t2.writeCharCode$1(41);
  	    },
  	    visitTypeSelector$1(_, type) {
  	      this._serialize0$_buffer.write$1(0, type.name);
  	    },
  	    visitUniversalSelector$1(_, universal) {
  	      var t2,
  	        t1 = universal.namespace;
  	      if (t1 != null) {
  	        t2 = this._serialize0$_buffer;
  	        t2.write$1(0, t1);
  	        t2.writeCharCode$1(124);
  	      }
  	      this._serialize0$_buffer.writeCharCode$1(42);
  	    },
  	    _serialize0$_write$1(value) {
  	      return this._serialize0$_buffer.forSpan$2(value.span, new A._SerializeVisitor__write_closure0(this, value));
  	    },
  	    _serialize0$_visitChildren$1($parent) {
  	      var t2, t3, t4, t5, t6, t7, t8, prePrevious, previous, t9, previous0, t10, savedIndentation, _this = this,
  	        t1 = _this._serialize0$_buffer;
  	      t1.writeCharCode$1(123);
  	      for (t2 = $parent.children, t3 = t2.$ti, t2 = new A.ListIterator(t2, t2.get$length(0), t3._eval$1("ListIterator<ListBase.E>")), t4 = _this._serialize0$_style === B.OutputStyle_10, t5 = !t4, t6 = _this.get$_serialize0$_requiresSemicolon(), t7 = !_this._serialize0$_inspect, t3 = t3._eval$1("ListBase.E"), t8 = _this._lineFeed.text, prePrevious = null, previous = null; t2.moveNext$0();) {
  	        t9 = t2.__internal$_current;
  	        previous0 = t9 == null ? t3._as(t9) : t9;
  	        if (t7)
  	          t9 = t4 ? previous0.accept$1(B._IsInvisibleVisitor_true_true0) : previous0.accept$1(B._IsInvisibleVisitor_true_false0);
  	        else
  	          t9 = false;
  	        if (t9)
  	          continue;
  	        t9 = previous == null;
  	        t10 = t9 ? null : t6.call$1(previous);
  	        if (t10 == null ? false : t10)
  	          t1.writeCharCode$1(59);
  	        if (_this._serialize0$_isTrailingComment$2(previous0, t9 ? $parent : previous)) {
  	          if (t5)
  	            t1.writeCharCode$1(32);
  	          savedIndentation = _this._serialize0$_indentation;
  	          _this._serialize0$_indentation = 0;
  	          new A._SerializeVisitor__visitChildren_closure1(_this, previous0).call$0();
  	          _this._serialize0$_indentation = savedIndentation;
  	        } else {
  	          if (t5)
  	            t1.write$1(0, t8);
  	          ++_this._serialize0$_indentation;
  	          new A._SerializeVisitor__visitChildren_closure2(_this, previous0).call$0();
  	          --_this._serialize0$_indentation;
  	        }
  	        prePrevious = previous;
  	        previous = previous0;
  	      }
  	      if (previous != null) {
  	        if ((type$.CssParentNode_2._is(previous) ? previous.get$isChildless() : !(previous instanceof A.ModifiableCssComment0)) && t5)
  	          t1.writeCharCode$1(59);
  	        if (prePrevious == null && _this._serialize0$_isTrailingComment$2(previous, $parent)) {
  	          if (t5)
  	            t1.writeCharCode$1(32);
  	        } else {
  	          _this._serialize0$_writeLineFeed$0();
  	          _this._serialize0$_writeIndentation$0();
  	        }
  	      }
  	      t1.writeCharCode$1(125);
  	    },
  	    _serialize0$_requiresSemicolon$1(node) {
  	      return type$.CssParentNode_2._is(node) ? node.get$isChildless() : !(node instanceof A.ModifiableCssComment0);
  	    },
  	    _serialize0$_isTrailingComment$2(node, previous) {
  	      var t1, t2, t3, searchFrom, endOffset, t4, span;
  	      if (this._serialize0$_style === B.OutputStyle_10)
  	        return false;
  	      if (!(node instanceof A.ModifiableCssComment0))
  	        return false;
  	      t1 = node.span;
  	      t2 = t1.get$sourceUrl(t1);
  	      t3 = previous.get$span(previous);
  	      if (!J.$eq$(t2, t3.get$sourceUrl(t3)))
  	        return false;
  	      t2 = previous.get$span(previous);
  	      if (!(J.$eq$(t2.get$file(t2).url, t1.get$file(t1).url) && t2.get$start(t2).offset <= t1.get$start(t1).offset && t2.get$end(t2).offset >= t1.get$end(t1).offset)) {
  	        t1 = t1.get$start(t1);
  	        t1 = t1.file.getLine$1(t1.offset);
  	        t2 = previous.get$span(previous);
  	        t2 = t2.get$end(t2);
  	        return t1 === t2.file.getLine$1(t2.offset);
  	      }
  	      t2 = t1.get$start(t1);
  	      t3 = previous.get$span(previous);
  	      searchFrom = t2.offset - t3.get$start(t3).offset - 1;
  	      if (searchFrom < 0)
  	        return false;
  	      endOffset = Math.max(0, B.JSString_methods.lastIndexOf$2(previous.get$span(previous).get$text(), "{", searchFrom));
  	      t2 = previous.get$span(previous);
  	      t2 = t2.get$file(t2);
  	      t3 = previous.get$span(previous);
  	      t3 = t3.get$start(t3);
  	      t4 = previous.get$span(previous);
  	      span = t2.span$2(0, t3.offset, t4.get$start(t4).offset + endOffset);
  	      t1 = t1.get$start(t1);
  	      t1 = t1.file.getLine$1(t1.offset);
  	      t4 = A.FileLocation$_(span.file, span._end);
  	      return t1 === t4.file.getLine$1(t4.offset);
  	    },
  	    _serialize0$_writeLineFeed$0() {
  	      if (this._serialize0$_style !== B.OutputStyle_10)
  	        this._serialize0$_buffer.write$1(0, this._lineFeed.text);
  	    },
  	    _serialize0$_writeIndentation$0() {
  	      var _this = this;
  	      if (_this._serialize0$_style === B.OutputStyle_10)
  	        return;
  	      _this._serialize0$_writeTimes$2(_this._serialize0$_indentCharacter, _this._serialize0$_indentation * _this._serialize0$_indentWidth);
  	    },
  	    _serialize0$_writeTimes$2(char, times) {
  	      var t1, i;
  	      for (t1 = this._serialize0$_buffer, i = 0; i < times; ++i)
  	        t1.writeCharCode$1(char);
  	    },
  	    _serialize0$_writeBetween$1$3(iterable, text, callback) {
  	      var t1, t2, first, value;
  	      for (t1 = J.get$iterator$ax(iterable), t2 = this._serialize0$_buffer, first = true; t1.moveNext$0();) {
  	        value = t1.get$current(t1);
  	        if (first)
  	          first = false;
  	        else
  	          t2.write$1(0, text);
  	        callback.call$1(value);
  	      }
  	    },
  	    _serialize0$_writeBetween$3(iterable, text, callback) {
  	      return this._serialize0$_writeBetween$1$3(iterable, text, callback, type$.dynamic);
  	    }
  	  };
  	  A._SerializeVisitor_visitCssComment_closure0.prototype = {
  	    call$0() {
  	      var t2, t3, _0_0, minimumIndentation,
  	        t1 = this.$this;
  	      if (t1._serialize0$_style === B.OutputStyle_10 && this.node.text.charCodeAt(2) !== 33)
  	        return;
  	      t2 = this.node;
  	      t3 = t2.text;
  	      if (B.JSString_methods.startsWith$1(t3, A.RegExp_RegExp("/\\*# source(Mapping)?URL=", false)))
  	        return;
  	      _0_0 = t1._serialize0$_minimumIndentation$1(t3);
  	      if (_0_0 != null) {
  	        t2 = t2.span;
  	        t2 = t2.get$start(t2);
  	        minimumIndentation = Math.min(_0_0, t2.file.getColumn$1(t2.offset));
  	        t1._serialize0$_writeIndentation$0();
  	        t1._serialize0$_writeWithIndent$2(t3, minimumIndentation);
  	      } else {
  	        t1._serialize0$_writeIndentation$0();
  	        t1._serialize0$_buffer.write$1(0, t3);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssAtRule_closure0.prototype = {
  	    call$0() {
  	      var t3, _0_0,
  	        t1 = this.$this,
  	        t2 = t1._serialize0$_buffer;
  	      t2.writeCharCode$1(64);
  	      t3 = this.node;
  	      t1._serialize0$_write$1(t3.name);
  	      _0_0 = t3.value;
  	      if (_0_0 != null) {
  	        t2.writeCharCode$1(32);
  	        t1._serialize0$_write$1(_0_0);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssMediaRule_closure0.prototype = {
  	    call$0() {
  	      var t3, firstQuery, t4, t5,
  	        t1 = this.$this,
  	        t2 = t1._serialize0$_buffer;
  	      t2.write$1(0, "@media");
  	      t3 = this.node.queries;
  	      firstQuery = B.JSArray_methods.get$first(t3);
  	      t4 = t1._serialize0$_style === B.OutputStyle_10;
  	      t5 = true;
  	      if (t4)
  	        if (firstQuery.modifier == null)
  	          if (firstQuery.type == null) {
  	            t5 = firstQuery.conditions;
  	            t5 = t5.length === 1 && B.JSString_methods.startsWith$1(B.JSArray_methods.get$first(t5), "(not ");
  	          }
  	      if (t5)
  	        t2.writeCharCode$1(32);
  	      t2 = t4 ? "," : ", ";
  	      t1._serialize0$_writeBetween$3(t3, t2, t1.get$_serialize0$_visitMediaQuery());
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssImport_closure0.prototype = {
  	    call$0() {
  	      var t3, t4, _0_0,
  	        t1 = this.$this,
  	        t2 = t1._serialize0$_buffer;
  	      t2.write$1(0, "@import");
  	      t3 = t1._serialize0$_style !== B.OutputStyle_10;
  	      if (t3)
  	        t2.writeCharCode$1(32);
  	      t4 = this.node;
  	      t2.forSpan$2(t4.url.span, new A._SerializeVisitor_visitCssImport__closure0(t1, t4));
  	      _0_0 = t4.modifiers;
  	      if (_0_0 != null) {
  	        if (t3)
  	          t2.writeCharCode$1(32);
  	        t2.write$1(0, _0_0);
  	      }
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssImport__closure0.prototype = {
  	    call$0() {
  	      return this.$this._serialize0$_writeImportUrl$1(this.node.url.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssKeyframeBlock_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._serialize0$_style === B.OutputStyle_10 ? "," : ", ",
  	        t3 = t1._serialize0$_buffer;
  	      return t1._serialize0$_writeBetween$3(this.node.selector.value, t2, t3.get$write(t3));
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssStyleRule_closure0.prototype = {
  	    call$0() {
  	      return this.$this.visitSelectorList$1(this.node._style_rule0$_selector._box0$_inner.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitCssSupportsRule_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = t1._serialize0$_buffer;
  	      t2.write$1(0, "@supports");
  	      if (!(t1._serialize0$_style === B.OutputStyle_10 && this.node.condition.value.charCodeAt(0) === 40))
  	        t2.writeCharCode$1(32);
  	      t1._serialize0$_write$1(this.node.condition);
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssDeclaration_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this,
  	        t2 = this.node;
  	      if (t1._serialize0$_style === B.OutputStyle_10)
  	        t1._serialize0$_writeFoldedValue$1(t2);
  	      else
  	        t1._serialize0$_writeReindentedValue$1(t2);
  	    },
  	    $signature: 1
  	  };
  	  A._SerializeVisitor_visitCssDeclaration_closure2.prototype = {
  	    call$0() {
  	      return this.node.value.value.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor_visitList_closure2.prototype = {
  	    call$1(element) {
  	      return !element.get$isBlank();
  	    },
  	    $signature: 56
  	  };
  	  A._SerializeVisitor_visitList_closure3.prototype = {
  	    call$1(element) {
  	      var t1 = this.$this,
  	        needsParens = t1._serialize0$_elementNeedsParens$2(this.value._list1$_separator, element);
  	      if (needsParens)
  	        t1._serialize0$_buffer.writeCharCode$1(40);
  	      element.accept$1(t1);
  	      if (needsParens)
  	        t1._serialize0$_buffer.writeCharCode$1(41);
  	    },
  	    $signature: 63
  	  };
  	  A._SerializeVisitor_visitList_closure4.prototype = {
  	    call$1(element) {
  	      element.accept$1(this.$this);
  	    },
  	    $signature: 63
  	  };
  	  A._SerializeVisitor_visitMap_closure0.prototype = {
  	    call$1(entry) {
  	      var t1 = this.$this;
  	      t1._serialize0$_writeMapElement$1(entry.key);
  	      t1._serialize0$_buffer.write$1(0, ": ");
  	      t1._serialize0$_writeMapElement$1(entry.value);
  	    },
  	    $signature: 597
  	  };
  	  A._SerializeVisitor_visitSelectorList_closure0.prototype = {
  	    call$1(complex) {
  	      return !complex.accept$1(B._IsInvisibleVisitor_true0);
  	    },
  	    $signature: 22
  	  };
  	  A._SerializeVisitor__write_closure0.prototype = {
  	    call$0() {
  	      return this.$this._serialize0$_buffer.write$1(0, this.value.value);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor__visitChildren_closure1.prototype = {
  	    call$0() {
  	      return this.child.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A._SerializeVisitor__visitChildren_closure2.prototype = {
  	    call$0() {
  	      this.child.accept$1(this.$this);
  	    },
  	    $signature: 0
  	  };
  	  A.OutputStyle0.prototype = {
  	    _enumToString$0() {
  	      return "OutputStyle." + this._name;
  	    }
  	  };
  	  A.LineFeed0.prototype = {
  	    _enumToString$0() {
  	      return "LineFeed." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.JSSet.prototype = {};
  	  A.ShadowedModuleView0.prototype = {
  	    get$url(_) {
  	      var t1 = this._shadowed_view0$_inner;
  	      return t1.get$url(t1);
  	    },
  	    get$upstream() {
  	      return this._shadowed_view0$_inner.get$upstream();
  	    },
  	    get$extensionStore() {
  	      return this._shadowed_view0$_inner.get$extensionStore();
  	    },
  	    get$css(_) {
  	      var t1 = this._shadowed_view0$_inner;
  	      return t1.get$css(t1);
  	    },
  	    get$preModuleComments() {
  	      return this._shadowed_view0$_inner.get$preModuleComments();
  	    },
  	    get$transitivelyContainsCss() {
  	      return this._shadowed_view0$_inner.get$transitivelyContainsCss();
  	    },
  	    get$transitivelyContainsExtensions() {
  	      return this._shadowed_view0$_inner.get$transitivelyContainsExtensions();
  	    },
  	    setVariable$3($name, value, nodeWithSpan) {
  	      if (!this.variables.containsKey$1($name))
  	        throw A.wrapException(A.SassScriptException$0("Undefined variable.", null));
  	      else
  	        this._shadowed_view0$_inner.setVariable$3($name, value, nodeWithSpan);
  	    },
  	    variableIdentity$1($name) {
  	      return this._shadowed_view0$_inner.variableIdentity$1($name);
  	    },
  	    couldHaveBeenConfigured$1(variables) {
  	      var t3, t4,
  	        t1 = this.variables,
  	        t2 = this._shadowed_view0$_inner;
  	      if (t1 === t2.get$variables())
  	        t1 = t2.couldHaveBeenConfigured$1(variables);
  	      else {
  	        t3 = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	        for (t1 = t1.get$keys(t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	          t4 = t1.get$current(t1);
  	          if (variables.contains$1(0, t4))
  	            t3.add$1(0, t4);
  	        }
  	        t1 = t2.couldHaveBeenConfigured$1(t3);
  	      }
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      var t1, t2, t3, _this = this;
  	      if (other == null)
  	        return false;
  	      t1 = false;
  	      if (other instanceof A.ShadowedModuleView0)
  	        if (_this._shadowed_view0$_inner.$eq(0, other._shadowed_view0$_inner)) {
  	          t2 = _this.variables;
  	          t2 = t2.get$keys(t2);
  	          t3 = other.variables;
  	          if (B.C_IterableEquality.equals$2(0, t2, t3.get$keys(t3))) {
  	            t2 = _this.functions;
  	            t2 = t2.get$keys(t2);
  	            t3 = other.functions;
  	            if (B.C_IterableEquality.equals$2(0, t2, t3.get$keys(t3))) {
  	              t1 = _this.mixins;
  	              t1 = t1.get$keys(t1);
  	              t2 = other.mixins;
  	              t2 = B.C_IterableEquality.equals$2(0, t1, t2.get$keys(t2));
  	              t1 = t2;
  	            }
  	          }
  	        }
  	      return t1;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._shadowed_view0$_inner;
  	      return t1.get$hashCode(t1);
  	    },
  	    cloneCss$0() {
  	      var _this = this;
  	      return new A.ShadowedModuleView0(_this._shadowed_view0$_inner.cloneCss$0(), _this.variables, _this.variableNodes, _this.functions, _this.mixins, _this.$ti);
  	    },
  	    toString$0(_) {
  	      return "shadowed " + this._shadowed_view0$_inner.toString$0(0);
  	    },
  	    $isModule1: 1,
  	    get$variables() {
  	      return this.variables;
  	    },
  	    get$variableNodes() {
  	      return this.variableNodes;
  	    },
  	    get$functions(receiver) {
  	      return this.functions;
  	    },
  	    get$mixins() {
  	      return this.mixins;
  	    }
  	  };
  	  A.SilentComment0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSilentComment$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.text;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.InterpolatedSimpleSelector.prototype = {};
  	  A.SimpleSelector0.prototype = {
  	    get$specificity() {
  	      return 1000;
  	    },
  	    get$hasComplicatedSuperselectorSemantics() {
  	      return false;
  	    },
  	    addSuffix$1(suffix) {
  	      return A.throwExpression(A.MultiSpanSassException$0('Selector "' + this.toString$0(0) + "\" can't have a suffix", this.span, "outer selector", A.LinkedHashMap_LinkedHashMap$_empty(type$.FileSpan, type$.String), null));
  	    },
  	    unify$1(compound) {
  	      var other, result, addedThis, _i, simple, _this = this,
  	        t1 = false;
  	      if (compound.length === 1) {
  	        other = compound[0];
  	        if (!(other instanceof A.UniversalSelector0)) {
  	          if (other instanceof A.PseudoSelector0)
  	            t1 = other.isClass && other.name === "host" || other.get$isHostContext();
  	        } else
  	          t1 = true;
  	      } else
  	        other = null;
  	      if (t1)
  	        return other.unify$1(A._setArrayType([_this], type$.JSArray_SimpleSelector_2));
  	      if (B.JSArray_methods.contains$1(compound, _this))
  	        return compound;
  	      result = A._setArrayType([], type$.JSArray_SimpleSelector_2);
  	      for (t1 = compound.length, addedThis = false, _i = 0; _i < compound.length; compound.length === t1 || (0, A.throwConcurrentModificationError)(compound), ++_i) {
  	        simple = compound[_i];
  	        if (!addedThis && simple instanceof A.PseudoSelector0) {
  	          result.push(_this);
  	          addedThis = true;
  	        }
  	        result.push(simple);
  	      }
  	      if (!addedThis)
  	        result.push(_this);
  	      return result;
  	    },
  	    isSuperselector$1(other) {
  	      var list;
  	      if (this.$eq(0, other))
  	        return true;
  	      if (other instanceof A.PseudoSelector0 && other.isClass) {
  	        list = other.selector;
  	        if (list != null && $._subselectorPseudos0.contains$1(0, other.normalizedName))
  	          return B.JSArray_methods.every$1(list.components, new A.SimpleSelector_isSuperselector_closure0(this));
  	      }
  	      return false;
  	    }
  	  };
  	  A.SimpleSelector_isSuperselector_closure0.prototype = {
  	    call$1(complex) {
  	      var t1 = complex.components;
  	      return t1.length !== 0 && B.JSArray_methods.any$1(B.JSArray_methods.get$last(t1).selector.components, new A.SimpleSelector_isSuperselector__closure0(this.$this));
  	    },
  	    $signature: 22
  	  };
  	  A.SimpleSelector_isSuperselector__closure0.prototype = {
  	    call$1(simple) {
  	      return this.$this.isSuperselector$1(simple);
  	    },
  	    $signature: 15
  	  };
  	  A.JSSimpleSelectorVisitor.prototype = {
  	    visitSelectorList$1(_) {
  	      return this._simpleSelectorError$0();
  	    },
  	    visitComplexSelector$1(_) {
  	      return this._simpleSelectorError$0();
  	    },
  	    visitCompoundSelector$1(_) {
  	      return this._simpleSelectorError$0();
  	    },
  	    _simpleSelectorError$0() {
  	      return A.throwExpression(A.UnsupportedError$("SimpleSelectorVisitor only supports SimpleSelectors"));
  	    },
  	    $isInterpolatedSelectorVisitor: 1
  	  };
  	  A.JSSimpleSelectorVisitorObject.prototype = {};
  	  A.SingleUnitSassNumber0.prototype = {
  	    get$numeratorUnits(_) {
  	      return A.List_List$unmodifiable([this._single_unit$_unit], type$.String);
  	    },
  	    get$denominatorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$hasUnits() {
  	      return true;
  	    },
  	    get$hasComplexUnits() {
  	      return false;
  	    },
  	    withValue$1(value) {
  	      return new A.SingleUnitSassNumber0(this._single_unit$_unit, value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.SingleUnitSassNumber0(this._single_unit$_unit, this._number1$_value, new A._Record_2(numerator, denominator));
  	    },
  	    hasUnit$1(unit) {
  	      return unit === this._single_unit$_unit;
  	    },
  	    hasCompatibleUnits$1(other) {
  	      return other instanceof A.SingleUnitSassNumber0 && A.conversionFactor0(this._single_unit$_unit, other._single_unit$_unit) != null;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      var t1, knownCompatibilities, otherUnit;
  	      if (!(other instanceof A.SingleUnitSassNumber0))
  	        return false;
  	      t1 = $.$get$_knownCompatibilitiesByUnit0();
  	      knownCompatibilities = t1.$index(0, this._single_unit$_unit.toLowerCase());
  	      if (knownCompatibilities == null)
  	        return true;
  	      otherUnit = other._single_unit$_unit.toLowerCase();
  	      return knownCompatibilities.contains$1(0, otherUnit) || !t1.containsKey$1(otherUnit);
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return A.conversionFactor0(this._single_unit$_unit, unit) != null;
  	    },
  	    coerceToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber0 ? this._single_unit$_coerceToUnit$1(other._single_unit$_unit) : null;
  	      return t1 == null ? this.super$SassNumber$coerceToMatch0(other, $name, otherName) : t1;
  	    },
  	    coerceToMatch$1(other) {
  	      return this.coerceToMatch$3(other, null, null);
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber0 ? this._single_unit$_coerceValueToUnit$1(other._single_unit$_unit) : null;
  	      return t1 == null ? this.super$SassNumber$coerceValueToMatch0(other, $name, otherName) : t1;
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    convertToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber0 ? this._single_unit$_coerceToUnit$1(other._single_unit$_unit) : null;
  	      return t1 == null ? this.super$SassNumber$convertToMatch(other, $name, otherName) : t1;
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      var t1 = other instanceof A.SingleUnitSassNumber0 ? this._single_unit$_coerceValueToUnit$1(other._single_unit$_unit) : null;
  	      return t1 == null ? this.super$SassNumber$convertValueToMatch0(other, $name, otherName) : t1;
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$3(newNumerators, newDenominators, $name) {
  	      var t1 = J.getInterceptor$asx(newNumerators);
  	      t1 = t1.get$length(newNumerators) === 1 && J.get$isEmpty$asx(newDenominators) ? this._single_unit$_coerceToUnit$1(t1.$index(newNumerators, 0)) : null;
  	      return t1 == null ? this.super$SassNumber$coerce0(newNumerators, newDenominators, $name) : t1;
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      return this.coerce$3(newNumerators, newDenominators, null);
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      var t1 = J.getInterceptor$asx(newNumerators);
  	      t1 = t1.get$length(newNumerators) === 1 && J.get$isEmpty$asx(newDenominators) ? this._single_unit$_coerceValueToUnit$1(t1.$index(newNumerators, 0)) : null;
  	      return t1 == null ? this.super$SassNumber$coerceValue0(newNumerators, newDenominators, $name) : t1;
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      var t1 = this._single_unit$_coerceValueToUnit$1(unit);
  	      return t1 == null ? this.super$SassNumber$coerceValueToUnit0(unit, $name) : t1;
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    _single_unit$_coerceToUnit$1(unit) {
  	      var t1 = this._single_unit$_unit;
  	      if (t1 === unit)
  	        return this;
  	      return A.NullableExtension_andThen0(A.conversionFactor0(unit, t1), new A.SingleUnitSassNumber__coerceToUnit_closure0(this, unit));
  	    },
  	    _single_unit$_coerceValueToUnit$1(unit) {
  	      return A.NullableExtension_andThen0(A.conversionFactor0(unit, this._single_unit$_unit), new A.SingleUnitSassNumber__coerceValueToUnit_closure0(this));
  	    },
  	    multiplyUnits$3(value, otherNumerators, otherDenominators) {
  	      var mutableOtherDenominators, t1 = {};
  	      t1.value = value;
  	      t1.newNumerators = otherNumerators;
  	      mutableOtherDenominators = A._setArrayType(otherDenominators.slice(0), A._arrayInstanceType(otherDenominators));
  	      A.removeFirstWhere0(mutableOtherDenominators, new A.SingleUnitSassNumber_multiplyUnits_closure1(t1, this), new A.SingleUnitSassNumber_multiplyUnits_closure2(t1, this));
  	      return A.SassNumber_SassNumber$withUnits0(t1.value, mutableOtherDenominators, t1.newNumerators);
  	    },
  	    unaryMinus$0() {
  	      return new A.SingleUnitSassNumber0(this._single_unit$_unit, -this._number1$_value, null);
  	    },
  	    $eq(_, other) {
  	      var factor;
  	      if (other == null)
  	        return false;
  	      if (other instanceof A.SingleUnitSassNumber0) {
  	        factor = A.conversionFactor0(other._single_unit$_unit, this._single_unit$_unit);
  	        return factor != null && A.fuzzyEquals0(this._number1$_value * factor, other._number1$_value);
  	      } else
  	        return false;
  	    },
  	    get$hashCode(_) {
  	      var _this = this,
  	        t1 = _this.hashCache;
  	      return t1 == null ? _this.hashCache = A.fuzzyHashCode0(_this._number1$_value * _this.canonicalMultiplierForUnit$1(_this._single_unit$_unit)) : t1;
  	    }
  	  };
  	  A.SingleUnitSassNumber__coerceToUnit_closure0.prototype = {
  	    call$1(factor) {
  	      return new A.SingleUnitSassNumber0(this.unit, this.$this._number1$_value * factor, null);
  	    },
  	    $signature: 598
  	  };
  	  A.SingleUnitSassNumber__coerceValueToUnit_closure0.prototype = {
  	    call$1(factor) {
  	      return this.$this._number1$_value * factor;
  	    },
  	    $signature: 12
  	  };
  	  A.SingleUnitSassNumber_multiplyUnits_closure1.prototype = {
  	    call$1(denominator) {
  	      var factor = A.conversionFactor0(denominator, this.$this._single_unit$_unit);
  	      if (factor == null)
  	        return false;
  	      this._box_0.value *= factor;
  	      return true;
  	    },
  	    $signature: 4
  	  };
  	  A.SingleUnitSassNumber_multiplyUnits_closure2.prototype = {
  	    call$0() {
  	      var t1 = A._setArrayType([this.$this._single_unit$_unit], type$.JSArray_String),
  	        t2 = this._box_0;
  	      B.JSArray_methods.addAll$1(t1, t2.newNumerators);
  	      t2.newNumerators = t1;
  	    },
  	    $signature: 0
  	  };
  	  A.SourceInterpolationVisitor.prototype = {
  	    visitBinaryOperationExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitBooleanExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitColorExpression$1(_, node) {
  	      var t2,
  	        t1 = this.buffer;
  	      if (t1 != null) {
  	        t2 = node.span.get$text();
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	      return null;
  	    },
  	    visitFunctionExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitInterpolatedFunctionExpression$1(_, node) {
  	      var t1 = this.buffer;
  	      if (t1 != null)
  	        t1.addInterpolation$1(node.name);
  	      this._visitArguments$1(node.$arguments);
  	    },
  	    _visitArguments$1($arguments) {
  	      var t2, t3, _this = this,
  	        t1 = $arguments.named;
  	      if (t1.get$isNotEmpty(t1) || $arguments.rest != null)
  	        return;
  	      t1 = $arguments.positional;
  	      if (t1.length === 0) {
  	        t1 = _this.buffer;
  	        if (t1 != null) {
  	          t2 = $arguments.span.get$text();
  	          t1 = t1._interpolation_buffer0$_text;
  	          t1._contents += t2;
  	        }
  	        return;
  	      }
  	      t2 = _this.buffer;
  	      if (t2 != null) {
  	        t3 = B.JSArray_methods.get$first(t1);
  	        t3 = A.SpanExtensions_before($arguments.span, t3.get$span(t3));
  	        t3 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t3.file._decodedChars, t3._file$_start, t3._end), 0, null);
  	        t2 = t2._interpolation_buffer0$_text;
  	        t2._contents += t3;
  	      }
  	      _this._writeListAndBetween$2(t1, new A.SourceInterpolationVisitor__visitArguments_closure(_this));
  	      t2 = _this.buffer;
  	      if (t2 != null) {
  	        t1 = B.JSArray_methods.get$last(t1);
  	        t1 = A.SpanExtensions_after($arguments.span, t1.get$span(t1));
  	        t1 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.file._decodedChars, t1._file$_start, t1._end), 0, null);
  	        t2 = t2._interpolation_buffer0$_text;
  	        t2._contents += t1;
  	      }
  	    },
  	    visitIfExpression$1(_, node) {
  	      var t1, t2, t3, lastSpan, _i, t4, condition, expression, firstSpan, t5, t6, t7, t8, _this = this, _null = null;
  	      for (t1 = node.branches, t2 = t1.length, t3 = node.span, lastSpan = _null, _i = 0; _i < t2; ++_i) {
  	        t4 = t1[_i];
  	        condition = t4._0;
  	        expression = t4._1;
  	        t4 = condition == null;
  	        firstSpan = t4 ? _null : condition.get$span(condition);
  	        if (firstSpan == null)
  	          firstSpan = expression.get$span(expression);
  	        t5 = _this.buffer;
  	        if (t5 != null) {
  	          t6 = lastSpan == null ? _null : A.SpanExtensions_between(lastSpan, firstSpan);
  	          if (t6 == null)
  	            t6 = A.SpanExtensions_before(t3, firstSpan);
  	          t7 = t6._file$_start;
  	          t8 = t6.file._decodedChars;
  	          t8 = A.String_String$fromCharCodes(new Uint32Array(t8.subarray(t7, A._checkValidRange(t7, t6._end, t8.length))), 0, _null);
  	          t5 = t5._interpolation_buffer0$_text;
  	          t5._contents += t8;
  	        }
  	        if (!t4) {
  	          condition.accept$1(_this);
  	          t4 = _this.buffer;
  	          if (t4 != null) {
  	            t5 = A.SpanExtensions_between(condition.get$span(condition), expression.get$span(expression));
  	            t6 = t5._file$_start;
  	            t7 = t5.file._decodedChars;
  	            t7 = A.String_String$fromCharCodes(new Uint32Array(t7.subarray(t6, A._checkValidRange(t6, t5._end, t7.length))), 0, _null);
  	            t4 = t4._interpolation_buffer0$_text;
  	            t4._contents += t7;
  	          }
  	        }
  	        expression.accept$1(_this);
  	        lastSpan = expression.get$span(expression);
  	      }
  	    },
  	    visitIfConditionParenthesized$1(_, node) {
  	      var t2,
  	        t1 = this.buffer;
  	      if (t1 != null) {
  	        t2 = node.expression;
  	        t2 = A.SpanExtensions_before(node.span, t2.get$span(t2));
  	        t2 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2.file._decodedChars, t2._file$_start, t2._end), 0, null);
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	      t1 = node.expression;
  	      t1.accept$1(this);
  	      t2 = this.buffer;
  	      if (t2 != null) {
  	        t1 = A.SpanExtensions_after(node.span, t1.get$span(t1));
  	        t1 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.file._decodedChars, t1._file$_start, t1._end), 0, null);
  	        t2 = t2._interpolation_buffer0$_text;
  	        t2._contents += t1;
  	      }
  	    },
  	    visitIfConditionNegation$1(_, node) {
  	      var t2,
  	        t1 = this.buffer;
  	      if (t1 != null) {
  	        t2 = node.expression;
  	        t2 = A.SpanExtensions_before(node.span, t2.get$span(t2));
  	        t2 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2.file._decodedChars, t2._file$_start, t2._end), 0, null);
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	      node.expression.accept$1(this);
  	    },
  	    visitIfConditionOperation$1(_, node) {
  	      this._writeListAndBetween$2(node.expressions, new A.SourceInterpolationVisitor_visitIfConditionOperation_closure(this));
  	    },
  	    visitIfConditionFunction$1(_, node) {
  	      var t2, _this = this,
  	        t1 = _this.buffer;
  	      if (t1 != null)
  	        t1.addInterpolation$1(node.name);
  	      t1 = _this.buffer;
  	      if (t1 != null) {
  	        t2 = A.SpanExtensions_between(node.name.span, node.$arguments.span);
  	        t2 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2.file._decodedChars, t2._file$_start, t2._end), 0, null);
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	      t1 = _this.buffer;
  	      if (t1 != null)
  	        t1.addInterpolation$1(node.$arguments);
  	      t1 = _this.buffer;
  	      if (t1 != null) {
  	        t2 = A.SpanExtensions_after(node.span, node.$arguments.span);
  	        t2 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t2.file._decodedChars, t2._file$_start, t2._end), 0, null);
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	    },
  	    visitIfConditionSass$1(_, node) {
  	      this.buffer = null;
  	    },
  	    visitIfConditionRaw$1(_, node) {
  	      var t1 = this.buffer;
  	      if (t1 != null)
  	        t1.addInterpolation$1(node.text);
  	    },
  	    visitLegacyIfExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitListExpression$1(_, node) {
  	      var t3, t4, _this = this,
  	        t1 = node.contents,
  	        t2 = t1.length;
  	      if (t2 <= 1 && !node.hasBrackets) {
  	        _this.buffer = null;
  	        return;
  	      }
  	      t3 = node.hasBrackets;
  	      if (t3 && t2 === 0) {
  	        t1 = _this.buffer;
  	        if (t1 != null) {
  	          t2 = node.span.get$text();
  	          t1 = t1._interpolation_buffer0$_text;
  	          t1._contents += t2;
  	        }
  	        return;
  	      }
  	      if (t3) {
  	        t2 = _this.buffer;
  	        if (t2 != null) {
  	          t4 = B.JSArray_methods.get$first(t1);
  	          t4 = A.SpanExtensions_before(node.span, t4.get$span(t4));
  	          t4 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t4.file._decodedChars, t4._file$_start, t4._end), 0, null);
  	          t2 = t2._interpolation_buffer0$_text;
  	          t2._contents += t4;
  	        }
  	      }
  	      _this._writeListAndBetween$2(t1, new A.SourceInterpolationVisitor_visitListExpression_closure(_this));
  	      if (t3) {
  	        t2 = _this.buffer;
  	        if (t2 != null) {
  	          t1 = B.JSArray_methods.get$last(t1);
  	          t1 = A.SpanExtensions_after(node.span, t1.get$span(t1));
  	          t1 = A.String_String$fromCharCodes(B.NativeUint32List_methods.sublist$2(t1.file._decodedChars, t1._file$_start, t1._end), 0, null);
  	          t2 = t2._interpolation_buffer0$_text;
  	          t2._contents += t1;
  	        }
  	      }
  	    },
  	    visitMapExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitNullExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitNumberExpression$1(_, node) {
  	      var t2,
  	        t1 = this.buffer;
  	      if (t1 != null) {
  	        t2 = node.span.get$text();
  	        t1 = t1._interpolation_buffer0$_text;
  	        t1._contents += t2;
  	      }
  	      return null;
  	    },
  	    visitParenthesizedExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitSelectorExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitStringExpression$1(_, node) {
  	      var t2, t3, t4, t5, i, span, _0_0, t6, expression, t7, t8, t9, _this = this,
  	        t1 = node.text;
  	      if (t1.get$asPlain() != null) {
  	        t2 = _this.buffer;
  	        if (t2 != null) {
  	          t1 = t1.span.get$text();
  	          t2 = t2._interpolation_buffer0$_text;
  	          t2._contents += t1;
  	        }
  	        return;
  	      }
  	      for (t2 = t1.contents, t3 = t2.length, t4 = t3 - 1, t5 = t1.span, i = 0; i < t3; ++i) {
  	        span = t1.spanForElement$1(i);
  	        _0_0 = t2[i];
  	        t6 = _0_0 instanceof A.Expression0;
  	        expression = t6 ? _0_0 : null;
  	        if (t6) {
  	          if (i === 0) {
  	            t6 = _this.buffer;
  	            if (t6 != null) {
  	              t7 = A.SpanExtensions_before(t5, span);
  	              t8 = t7._file$_start;
  	              t9 = t7.file._decodedChars;
  	              t9 = A.String_String$fromCharCodes(new Uint32Array(t9.subarray(t8, A._checkValidRange(t8, t7._end, t9.length))), 0, null);
  	              t6 = t6._interpolation_buffer0$_text;
  	              t6._contents += t9;
  	            }
  	          }
  	          t6 = _this.buffer;
  	          if (t6 != null) {
  	            t6._interpolation_buffer0$_flushText$0();
  	            t6._interpolation_buffer0$_contents.push(expression);
  	            t6._interpolation_buffer0$_spans.push(span);
  	          }
  	          if (i === t4) {
  	            t6 = _this.buffer;
  	            if (t6 != null) {
  	              t7 = A.SpanExtensions_after(t5, span);
  	              t8 = t7._file$_start;
  	              t9 = t7.file._decodedChars;
  	              t9 = A.String_String$fromCharCodes(new Uint32Array(t9.subarray(t8, A._checkValidRange(t8, t7._end, t9.length))), 0, null);
  	              t6 = t6._interpolation_buffer0$_text;
  	              t6._contents += t9;
  	            }
  	          }
  	          continue;
  	        }
  	        t6 = _this.buffer;
  	        if (t6 != null) {
  	          t6 = t6._interpolation_buffer0$_text;
  	          t7 = span.toString$0(0);
  	          t6._contents += t7;
  	        }
  	      }
  	    },
  	    visitSupportsExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitUnaryOperationExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitValueExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    visitVariableExpression$1(_, node) {
  	      return this.buffer = null;
  	    },
  	    _writeListAndBetween$1$2(nodes, visit) {
  	      var t1, lastSpan, _i, node, t2, t3, t4, t5;
  	      for (t1 = nodes.length, lastSpan = null, _i = 0; _i < t1; ++_i) {
  	        node = nodes[_i];
  	        if (lastSpan != null) {
  	          t2 = this.buffer;
  	          if (t2 != null) {
  	            t3 = A.SpanExtensions_between(lastSpan, node.get$span(node));
  	            t4 = t3._file$_start;
  	            t5 = t3.file._decodedChars;
  	            t5 = A.String_String$fromCharCodes(new Uint32Array(t5.subarray(t4, A._checkValidRange(t4, t3._end, t5.length))), 0, null);
  	            t2 = t2._interpolation_buffer0$_text;
  	            t2._contents += t5;
  	          }
  	        }
  	        visit.call$1(node);
  	        if (this.buffer == null)
  	          return;
  	        lastSpan = node.get$span(node);
  	      }
  	    },
  	    _writeListAndBetween$2(nodes, visit) {
  	      return this._writeListAndBetween$1$2(nodes, visit, type$.AstNode_2);
  	    },
  	    $isExpressionVisitor: 1,
  	    $isIfConditionExpressionVisitor: 1
  	  };
  	  A.SourceInterpolationVisitor__visitArguments_closure.prototype = {
  	    call$1(node) {
  	      return node.accept$1(this.$this);
  	    },
  	    $signature: 136
  	  };
  	  A.SourceInterpolationVisitor_visitIfConditionOperation_closure.prototype = {
  	    call$1(node) {
  	      return node.accept$1(this.$this);
  	    },
  	    $signature: 600
  	  };
  	  A.SourceInterpolationVisitor_visitListExpression_closure.prototype = {
  	    call$1(node) {
  	      return node.accept$1(this.$this);
  	    },
  	    $signature: 136
  	  };
  	  A.SourceMapBuffer0.prototype = {
  	    get$_source_map_buffer0$_targetLocation() {
  	      var t1 = this._source_map_buffer0$_buffer._contents,
  	        t2 = this._source_map_buffer0$_line;
  	      return A.SourceLocation$(t1.length, this._source_map_buffer0$_column, t2, null);
  	    },
  	    get$length(_) {
  	      return this._source_map_buffer0$_buffer._contents.length;
  	    },
  	    forSpan$1$2(span, callback) {
  	      var t1, _this = this,
  	        wasInSpan = _this._source_map_buffer0$_inSpan;
  	      _this._source_map_buffer0$_inSpan = true;
  	      _this._source_map_buffer0$_addEntry$2(span.get$start(span), _this.get$_source_map_buffer0$_targetLocation());
  	      try {
  	        t1 = callback.call$0();
  	        return t1;
  	      } finally {
  	        _this._source_map_buffer0$_inSpan = wasInSpan;
  	      }
  	    },
  	    forSpan$2(span, callback) {
  	      return this.forSpan$1$2(span, callback, type$.dynamic);
  	    },
  	    _source_map_buffer0$_addEntry$2(source, target) {
  	      var entry, t2,
  	        t1 = this._source_map_buffer0$_entries;
  	      if (t1.length !== 0) {
  	        entry = B.JSArray_methods.get$last(t1);
  	        t2 = entry.source;
  	        if (t2.file.getLine$1(t2.offset) === source.file.getLine$1(source.offset) && entry.target.line === target.line)
  	          return;
  	        if (entry.target.offset === target.offset)
  	          return;
  	      }
  	      t1.push(new A.Entry(source, target, null));
  	    },
  	    write$1(_, object) {
  	      var t1, i,
  	        string = J.toString$0$(object);
  	      this._source_map_buffer0$_buffer._contents += string;
  	      for (t1 = string.length, i = 0; i < t1; ++i)
  	        if (string.charCodeAt(i) === 10)
  	          this._source_map_buffer0$_writeLine$0();
  	        else
  	          ++this._source_map_buffer0$_column;
  	    },
  	    writeCharCode$1(charCode) {
  	      var t1 = this._source_map_buffer0$_buffer,
  	        t2 = A.Primitives_stringFromCharCode(charCode);
  	      t1._contents += t2;
  	      if (charCode === 10)
  	        this._source_map_buffer0$_writeLine$0();
  	      else
  	        ++this._source_map_buffer0$_column;
  	    },
  	    _source_map_buffer0$_writeLine$0() {
  	      var _this = this,
  	        t1 = _this._source_map_buffer0$_entries;
  	      if (B.JSArray_methods.get$last(t1).target.line === _this._source_map_buffer0$_line && B.JSArray_methods.get$last(t1).target.column === _this._source_map_buffer0$_column)
  	        t1.pop();
  	      ++_this._source_map_buffer0$_line;
  	      _this._source_map_buffer0$_column = 0;
  	      if (_this._source_map_buffer0$_inSpan)
  	        t1.push(new A.Entry(B.JSArray_methods.get$last(t1).source, _this.get$_source_map_buffer0$_targetLocation(), null));
  	    },
  	    toString$0(_) {
  	      var t1 = this._source_map_buffer0$_buffer._contents;
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    buildSourceMap$1$prefix(prefix) {
  	      var i, t2, prefixColumn, _box_0 = {},
  	        t1 = prefix.length;
  	      if (t1 === 0)
  	        return A.SingleMapping_SingleMapping$fromEntries(this._source_map_buffer0$_entries);
  	      _box_0.prefixColumn = _box_0.prefixLines = 0;
  	      for (i = 0, t2 = 0; i < t1; ++i)
  	        if (prefix.charCodeAt(i) === 10) {
  	          ++_box_0.prefixLines;
  	          _box_0.prefixColumn = 0;
  	          t2 = 0;
  	        } else {
  	          prefixColumn = t2 + 1;
  	          _box_0.prefixColumn = prefixColumn;
  	          t2 = prefixColumn;
  	        }
  	      t2 = this._source_map_buffer0$_entries;
  	      return A.SingleMapping_SingleMapping$fromEntries(new A.MappedListIterable(t2, new A.SourceMapBuffer_buildSourceMap_closure0(_box_0, t1), A._arrayInstanceType(t2)._eval$1("MappedListIterable<1,Entry>")));
  	    }
  	  };
  	  A.SourceMapBuffer_buildSourceMap_closure0.prototype = {
  	    call$1(entry) {
  	      var t1 = entry.target,
  	        t2 = t1.line,
  	        t3 = this._box_0,
  	        t4 = t3.prefixLines;
  	      t3 = t2 === 0 ? t3.prefixColumn : 0;
  	      return new A.Entry(entry.source, A.SourceLocation$(t1.offset + this.prefixLength, t1.column + t3, t2 + t4, null), entry.identifierName);
  	    },
  	    $signature: 164
  	  };
  	  A.updateSourceSpanPrototype_closure.prototype = {
  	    call$0() {
  	      return this.span;
  	    },
  	    $signature: 16
  	  };
  	  A.updateSourceSpanPrototype_closure0.prototype = {
  	    call$1(span) {
  	      return span.get$start(span);
  	    },
  	    $signature: 264
  	  };
  	  A.updateSourceSpanPrototype_closure1.prototype = {
  	    call$1(span) {
  	      return span.get$end(span);
  	    },
  	    $signature: 264
  	  };
  	  A.updateSourceSpanPrototype_closure2.prototype = {
  	    call$1(span) {
  	      return A.NullableExtension_andThen0(span.get$sourceUrl(span), new A.updateSourceSpanPrototype__closure());
  	    },
  	    $signature: 602
  	  };
  	  A.updateSourceSpanPrototype__closure.prototype = {
  	    call$1(url) {
  	      var t1, _null = null;
  	      if (url.get$scheme() === "") {
  	        t1 = $.$get$context();
  	        t1 = t1.toUri$1(A.absolute(t1.style.pathFromUri$1(A._parseUri(url)), _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null));
  	      } else
  	        t1 = url;
  	      return new self.URL(t1.toString$0(0));
  	    },
  	    $signature: 176
  	  };
  	  A.updateSourceSpanPrototype_closure3.prototype = {
  	    call$1(span) {
  	      return span.get$text();
  	    },
  	    $signature: 265
  	  };
  	  A.updateSourceSpanPrototype_closure4.prototype = {
  	    call$1(span) {
  	      return span.get$context(span);
  	    },
  	    $signature: 265
  	  };
  	  A.updateSourceSpanPrototype_closure5.prototype = {
  	    call$1($location) {
  	      return $location.get$line();
  	    },
  	    $signature: 266
  	  };
  	  A.updateSourceSpanPrototype_closure6.prototype = {
  	    call$1($location) {
  	      return $location.get$column();
  	    },
  	    $signature: 266
  	  };
  	  A.ColorSpace0.prototype = {
  	    get$isLegacyInternal() {
  	      return false;
  	    },
  	    get$isPolarInternal() {
  	      return false;
  	    },
  	    convert$5(dest, channel0, channel1, channel2, alpha) {
  	      return this.convertLinear$5(dest, channel0, channel1, channel2, alpha);
  	    },
  	    convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var t1, t2, transformedBlue, transformedGreen, transformedRed, linearRed, linearGreen, linearBlue, matrix, _this = this;
  	      $label0$0: {
  	        t1 = B.HslColorSpace_JQ20 !== dest;
  	        if (!t1 || B.HwbColorSpace_guQ0 === dest) {
  	          t2 = B.SrgbColorSpace_thf0;
  	          break $label0$0;
  	        }
  	        if (B.LabColorSpace_2nT0 === dest || B.LchColorSpace_Bpv0 === dest) {
  	          t2 = B.XyzD50ColorSpace_2OB0;
  	          break $label0$0;
  	        }
  	        if (B.OklabColorSpace_5400 === dest || B.OklchColorSpace_9Gj0 === dest) {
  	          t2 = B.LmsColorSpace_Os30;
  	          break $label0$0;
  	        }
  	        t2 = dest;
  	        break $label0$0;
  	      }
  	      if (t2 === _this) {
  	        transformedBlue = blue;
  	        transformedGreen = green;
  	        transformedRed = red;
  	      } else {
  	        linearRed = _this.toLinear$1(red == null ? 0 : red);
  	        linearGreen = _this.toLinear$1(green == null ? 0 : green);
  	        linearBlue = _this.toLinear$1(blue == null ? 0 : blue);
  	        matrix = _this.transformationMatrix$1(t2);
  	        transformedRed = t2.fromLinear$1(matrix[0] * linearRed + matrix[1] * linearGreen + matrix[2] * linearBlue);
  	        transformedGreen = t2.fromLinear$1(matrix[3] * linearRed + matrix[4] * linearGreen + matrix[5] * linearBlue);
  	        transformedBlue = t2.fromLinear$1(matrix[6] * linearRed + matrix[7] * linearGreen + matrix[8] * linearBlue);
  	      }
  	      $label1$1: {
  	        if (!t1 || B.HwbColorSpace_guQ0 === dest) {
  	          t1 = B.SrgbColorSpace_thf0.convert$8$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        if (B.LabColorSpace_2nT0 === dest || B.LchColorSpace_Bpv0 === dest) {
  	          t1 = B.XyzD50ColorSpace_2OB0.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        if (B.OklabColorSpace_5400 === dest || B.OklchColorSpace_9Gj0 === dest) {
  	          t1 = B.LmsColorSpace_Os30.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, transformedRed, transformedGreen, transformedBlue, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	          break $label1$1;
  	        }
  	        t1 = red == null ? null : transformedRed;
  	        t2 = green == null ? null : transformedGreen;
  	        t1 = A.SassColor_SassColor$forSpaceInternal0(dest, t1, t2, blue == null ? null : transformedBlue, alpha);
  	        break $label1$1;
  	      }
  	      return t1;
  	    },
  	    convertLinear$5(dest, red, green, blue, alpha) {
  	      return this.convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, false, false, false, false);
  	    },
  	    toLinear$1(channel) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space " + this.toString$0(0) + " doesn't support linear conversions."));
  	    },
  	    fromLinear$1(channel) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space " + this.toString$0(0) + " doesn't support linear conversions."));
  	    },
  	    transformationMatrix$1(dest) {
  	      return A.throwExpression(A.UnimplementedError$("[BUG] Color space conversion from " + this.toString$0(0) + " to " + dest.toString$0(0) + " not implemented."));
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.SrgbColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, missingChroma, missingHue, missingLightness) {
  	      var max, min, delta, hue, lightness, saturation, t1, t2, whiteness, blackness, _null = null;
  	      if (B.HslColorSpace_JQ20 === dest || B.HwbColorSpace_guQ0 === dest) {
  	        if (red == null)
  	          red = 0;
  	        if (green == null)
  	          green = 0;
  	        if (blue == null)
  	          blue = 0;
  	        max = Math.max(Math.max(red, green), blue);
  	        min = Math.min(Math.min(red, green), blue);
  	        delta = max - min;
  	        if (max === min)
  	          hue = 0;
  	        else if (max === red)
  	          hue = 60 * (green - blue) / delta + 360;
  	        else
  	          hue = max === green ? 60 * (blue - red) / delta + 120 : 60 * (red - green) / delta + 240;
  	        if (dest === B.HslColorSpace_JQ20) {
  	          lightness = (min + max) / 2;
  	          saturation = lightness === 0 || lightness === 1 ? 0 : 100 * (max - lightness) / Math.min(lightness, 1 - lightness);
  	          if (saturation < 0) {
  	            hue += 180;
  	            saturation = Math.abs(saturation);
  	          }
  	          t1 = missingHue || A.fuzzyEquals0(saturation, 0) ? _null : B.JSNumber_methods.$mod(hue, 360);
  	          t2 = missingChroma ? _null : saturation;
  	          return A.SassColor_SassColor$forSpaceInternal0(dest, t1, t2, missingLightness ? _null : lightness * 100, alpha);
  	        } else {
  	          whiteness = min * 100;
  	          blackness = 100 - max * 100;
  	          if (!missingHue) {
  	            t1 = whiteness + blackness;
  	            t1 = t1 > 100 || A.fuzzyEquals0(t1, 100);
  	          } else
  	            t1 = true;
  	          return A.SassColor_SassColor$forSpaceInternal0(dest, t1 ? _null : B.JSNumber_methods.$mod(hue, 360), whiteness, blackness, alpha);
  	        }
  	      }
  	      if (B.RgbColorSpace_i0P0 === dest) {
  	        t1 = red == null ? _null : red * 255;
  	        t2 = green == null ? _null : green * 255;
  	        return A.SassColor_SassColor$rgbInternal0(t1, t2, blue == null ? _null : blue * 255, alpha, _null);
  	      }
  	      if (B.SrgbLinearColorSpace_kUj0 === dest) {
  	        t1 = this.get$toLinear();
  	        return A.SassColor_SassColor$forSpaceInternal0(dest, A.NullableExtension_andThen0(red, t1), A.NullableExtension_andThen0(green, t1), A.NullableExtension_andThen0(blue, t1), alpha);
  	      }
  	      return this.super$ColorSpace$convertLinear0(dest, red, green, blue, alpha, false, false, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      return this.convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, false, false);
  	    },
  	    convert$6$missingHue(dest, red, green, blue, alpha, missingHue) {
  	      return this.convert$8$missingChroma$missingHue$missingLightness(dest, red, green, blue, alpha, false, missingHue, false);
  	    },
  	    toLinear$1(channel) {
  	      return A.srgbAndDisplayP3ToLinear0(channel);
  	    },
  	    fromLinear$1(channel) {
  	      return A.srgbAndDisplayP3FromLinear0(channel);
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearSrgbToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearSrgbToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearSrgbToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearSrgbToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.SrgbLinearColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return true;
  	    },
  	    convert$5(dest, red, green, blue, alpha) {
  	      var t1;
  	      $label0$0: {
  	        if (B.RgbColorSpace_i0P0 === dest || B.HslColorSpace_JQ20 === dest || B.HwbColorSpace_guQ0 === dest || B.SrgbColorSpace_thf0 === dest) {
  	          t1 = B.SrgbColorSpace_thf0.convert$5(dest, A.NullableExtension_andThen0(red, A.utils2__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen0(green, A.utils2__srgbAndDisplayP3FromLinear$closure()), A.NullableExtension_andThen0(blue, A.utils2__srgbAndDisplayP3FromLinear$closure()), alpha);
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$convert0(dest, red, green, blue, alpha);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$linearSrgbToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$linearSrgbToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$linearSrgbToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$linearSrgbToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$linearSrgbToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.Statement0.prototype = {$isAstNode0: 1, $isSassNode: 1};
  	  A.JSStatementVisitor.prototype = {
  	    visitAtRootRule$1(_, node) {
  	      return J.visitAtRootRule$1$x(this._statement$_inner, node);
  	    },
  	    visitAtRule$1(_, node) {
  	      return J.visitAtRule$1$x(this._statement$_inner, node);
  	    },
  	    visitContentBlock$1(_, node) {
  	      return J.visitContentBlock$1$x(this._statement$_inner, node);
  	    },
  	    visitContentRule$1(_, node) {
  	      return J.visitContentRule$1$x(this._statement$_inner, node);
  	    },
  	    visitDebugRule$1(_, node) {
  	      return J.visitDebugRule$1$x(this._statement$_inner, node);
  	    },
  	    visitDeclaration$1(_, node) {
  	      return J.visitDeclaration$1$x(this._statement$_inner, node);
  	    },
  	    visitEachRule$1(_, node) {
  	      return J.visitEachRule$1$x(this._statement$_inner, node);
  	    },
  	    visitErrorRule$1(_, node) {
  	      return J.visitErrorRule$1$x(this._statement$_inner, node);
  	    },
  	    visitExtendRule$1(_, node) {
  	      return J.visitExtendRule$1$x(this._statement$_inner, node);
  	    },
  	    visitForRule$1(_, node) {
  	      return J.visitForRule$1$x(this._statement$_inner, node);
  	    },
  	    visitForwardRule$1(_, node) {
  	      return J.visitForwardRule$1$x(this._statement$_inner, node);
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return J.visitFunctionRule$1$x(this._statement$_inner, node);
  	    },
  	    visitIfRule$1(_, node) {
  	      return J.visitIfRule$1$x(this._statement$_inner, node);
  	    },
  	    visitImportRule$1(_, node) {
  	      return J.visitImportRule$1$x(this._statement$_inner, node);
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return J.visitIncludeRule$1$x(this._statement$_inner, node);
  	    },
  	    visitLoudComment$1(_, node) {
  	      return J.visitLoudComment$1$x(this._statement$_inner, node);
  	    },
  	    visitMediaRule$1(_, node) {
  	      return J.visitMediaRule$1$x(this._statement$_inner, node);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return J.visitMixinRule$1$x(this._statement$_inner, node);
  	    },
  	    visitReturnRule$1(_, node) {
  	      return J.visitReturnRule$1$x(this._statement$_inner, node);
  	    },
  	    visitSilentComment$1(_, node) {
  	      return J.visitSilentComment$1$x(this._statement$_inner, node);
  	    },
  	    visitStyleRule$1(_, node) {
  	      return J.visitStyleRule$1$x(this._statement$_inner, node);
  	    },
  	    visitStylesheet$1(_, node) {
  	      return J.visitStylesheet$1$x(this._statement$_inner, node);
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return J.visitSupportsRule$1$x(this._statement$_inner, node);
  	    },
  	    visitUseRule$1(_, node) {
  	      return J.visitUseRule$1$x(this._statement$_inner, node);
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      return J.visitVariableDeclaration$1$x(this._statement$_inner, node);
  	    },
  	    visitWarnRule$1(_, node) {
  	      return J.visitWarnRule$1$x(this._statement$_inner, node);
  	    },
  	    visitWhileRule$1(_, node) {
  	      return J.visitWhileRule$1$x(this._statement$_inner, node);
  	    },
  	    $isStatementVisitor: 1
  	  };
  	  A.JSStatementVisitorObject.prototype = {};
  	  A.StatementSearchVisitor0.prototype = {
  	    visitAtRootRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitAtRule$1(_, node) {
  	      return A.NullableExtension_andThen0(node.children, this.get$visitChildren());
  	    },
  	    visitContentBlock$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitContentRule$1(_, node) {
  	      return null;
  	    },
  	    visitDebugRule$1(_, node) {
  	      return null;
  	    },
  	    visitDeclaration$1(_, node) {
  	      return A.NullableExtension_andThen0(node.children, this.get$visitChildren());
  	    },
  	    visitEachRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitErrorRule$1(_, node) {
  	      return null;
  	    },
  	    visitExtendRule$1(_, node) {
  	      return null;
  	    },
  	    visitForRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitForwardRule$1(_, node) {
  	      return null;
  	    },
  	    visitFunctionRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitIfRule$1(_, node) {
  	      var t1 = A.IterableExtension_search0(node.clauses, new A.StatementSearchVisitor_visitIfRule_closure1(this));
  	      return t1 == null ? A.NullableExtension_andThen0(node.lastClause, new A.StatementSearchVisitor_visitIfRule_closure2(this)) : t1;
  	    },
  	    visitImportRule$1(_, node) {
  	      return null;
  	    },
  	    visitIncludeRule$1(_, node) {
  	      return A.NullableExtension_andThen0(node.content, this.get$visitContentBlock(this));
  	    },
  	    visitLoudComment$1(_, node) {
  	      return null;
  	    },
  	    visitMediaRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitMixinRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitReturnRule$1(_, node) {
  	      return null;
  	    },
  	    visitSilentComment$1(_, node) {
  	      return null;
  	    },
  	    visitStyleRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitStylesheet$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitSupportsRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitUseRule$1(_, node) {
  	      return null;
  	    },
  	    visitVariableDeclaration$1(_, node) {
  	      return null;
  	    },
  	    visitWarnRule$1(_, node) {
  	      return null;
  	    },
  	    visitWhileRule$1(_, node) {
  	      return this.visitChildren$1(node.children);
  	    },
  	    visitChildren$1(children) {
  	      return A.IterableExtension_search0(children, new A.StatementSearchVisitor_visitChildren_closure0(this));
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule_closure1.prototype = {
  	    call$1(clause) {
  	      return A.IterableExtension_search0(clause.children, new A.StatementSearchVisitor_visitIfRule__closure2(this.$this));
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor0.T?(IfClause0)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule__closure2.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor0.T?(Statement0)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule_closure2.prototype = {
  	    call$1(lastClause) {
  	      return A.IterableExtension_search0(lastClause.children, new A.StatementSearchVisitor_visitIfRule__closure1(this.$this));
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor0.T?(ElseClause0)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitIfRule__closure1.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor0.T?(Statement0)");
  	    }
  	  };
  	  A.StatementSearchVisitor_visitChildren_closure0.prototype = {
  	    call$1(child) {
  	      return child.accept$1(this.$this);
  	    },
  	    $signature() {
  	      return A._instanceType(this.$this)._eval$1("StatementSearchVisitor0.T?(Statement0)");
  	    }
  	  };
  	  A.StaticImport0.prototype = {
  	    toString$0(_) {
  	      var t1 = this.url.toString$0(0),
  	        t2 = this.modifiers;
  	      return t1 + (t2 == null ? "" : " " + t2.toString$0(0));
  	    },
  	    $isImport0: 1,
  	    $isAstNode0: 1,
  	    $isSassNode: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StderrLogger0.prototype = {
  	    internalWarn$4$deprecation$span$trace(message, deprecation, span, trace) {
  	      var t3,
  	        result = new A.StringBuffer(""),
  	        t1 = deprecation != null,
  	        showDeprecation = t1 && deprecation !== B.Deprecation_kGe,
  	        t2 = this.color;
  	      if (t2) {
  	        t3 = result._contents = "\x1b[33m\x1b[1m";
  	        t3 = result._contents = (t1 ? result._contents = "\x1b[33m\x1b[1mDeprecation " : t3) + "Warning\x1b[0m";
  	        if (showDeprecation) {
  	          t1 = t3 + (" [\x1b[34m" + deprecation.toString$0(0) + "\x1b[0m]");
  	          result._contents = t1;
  	        } else
  	          t1 = t3;
  	      } else {
  	        t3 = result._contents = (t1 ? result._contents = "DEPRECATION " : "") + "WARNING";
  	        if (showDeprecation) {
  	          t1 = t3 + (" [" + deprecation.toString$0(0) + "]");
  	          result._contents = t1;
  	        } else
  	          t1 = t3;
  	      }
  	      if (span == null)
  	        t1 = result._contents = t1 + (": " + message + "\n");
  	      else if (trace != null) {
  	        t1 += ": " + message + "\n\n" + span.highlight$1$color(t2) + "\n";
  	        result._contents = t1;
  	      } else {
  	        t1 += " on " + span.message$2$color(0, "\n" + message, t2) + "\n";
  	        result._contents = t1;
  	      }
  	      if (trace != null)
  	        result._contents = t1 + (A.indent0(B.JSString_methods.trimRight$0(trace.toString$0(0)), 4) + "\n");
  	      A.printError0(result);
  	    },
  	    debug$2(_, message, span) {
  	      var url, t1, t2;
  	      if (span.get$start(span).file.url == null)
  	        url = "-";
  	      else {
  	        t1 = span.get$start(span).file.url;
  	        t2 = $.$get$context();
  	        t1.toString;
  	        url = t2.prettyUri$1(t1);
  	      }
  	      t1 = span.get$start(span);
  	      t1 = t1.file.getLine$1(t1.offset);
  	      t2 = this.color ? "\x1b[1mDebug\x1b[0m" : "DEBUG";
  	      t2 = url + ":" + (t1 + 1) + " " + t2 + (": " + message);
  	      A.printError0(t2.charCodeAt(0) == 0 ? t2 : t2);
  	    }
  	  };
  	  A.StringExpression0.prototype = {
  	    get$span(_) {
  	      return this.text.span;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitStringExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    asInterpolation$1$static($static) {
  	      var t1, t2, quote, t3, t4, t5, buffer, t6, t7, i, value, t8;
  	      if (!this.hasQuotes)
  	        return this.text;
  	      t1 = this.text;
  	      t2 = t1.contents;
  	      quote = A.StringExpression__bestQuote0(new A.WhereTypeIterable(t2, type$.WhereTypeIterable_String));
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      t6 = A.Primitives_stringFromCharCode(quote);
  	      t3._contents += t6;
  	      for (t7 = t2.length, i = 0; i < t7; ++i) {
  	        value = t2[i];
  	        if (value instanceof A.Expression0) {
  	          t8 = t1.spanForElement$1(i);
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t4.push(value);
  	          t5.push(t8);
  	          continue;
  	        }
  	        if (typeof value == "string")
  	          A.StringExpression__quoteInnerText0(value, quote, buffer, $static);
  	      }
  	      t3._contents += t6;
  	      return buffer.interpolation$1(t1.span);
  	    },
  	    asInterpolation$0() {
  	      return this.asInterpolation$1$static(false);
  	    },
  	    toString$0(_) {
  	      return this.asInterpolation$0().toString$0(0);
  	    }
  	  };
  	  A.module_closure25.prototype = {
  	    call$1($arguments) {
  	      var limit, t2, chunks, i, lastEnd, match, t3,
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        separator = t1.$index($arguments, 1).assertString$1("separator");
  	      t1 = t1.$index($arguments, 2).get$realNull();
  	      limit = t1 == null ? null : t1.assertNumber$1("limit").assertInt$1("limit");
  	      if (limit != null && limit < 1)
  	        throw A.wrapException(A.SassScriptException$0("$limit: Must be 1 or greater, was " + A.S(limit) + ".", null));
  	      t1 = string._string0$_text;
  	      if (t1.length === 0)
  	        return B.SassList_oWx0;
  	      else {
  	        t2 = separator._string0$_text;
  	        if (t2.length === 0)
  	          return A.SassList$0(A.MappedIterable_MappedIterable(new A.Runes(t1), new A.module__closure3(string), type$.Runes._eval$1("Iterable.E"), type$.Value_2), B.ListSeparator_z0K0, true);
  	      }
  	      chunks = A._setArrayType([], type$.JSArray_String);
  	      for (t2 = B.JSString_methods.allMatches$1(t2, t1), t2 = new A._StringAllMatchesIterator(t2._input, t2._pattern, t2.__js_helper$_index), i = 0, lastEnd = 0; t2.moveNext$0();) {
  	        match = t2.__js_helper$_current;
  	        t3 = match.start;
  	        chunks.push(B.JSString_methods.substring$2(t1, lastEnd, t3));
  	        lastEnd = t3 + match.pattern.length;
  	        ++i;
  	        if (i === limit)
  	          break;
  	      }
  	      chunks.push(B.JSString_methods.substring$1(t1, lastEnd));
  	      return A.SassList$0(new A.MappedListIterable(chunks, new A.module__closure4(string), type$.MappedListIterable_String_Value_2), B.ListSeparator_z0K0, true);
  	    },
  	    $signature: 27
  	  };
  	  A.module__closure3.prototype = {
  	    call$1(rune) {
  	      return new A.SassString0(A.Primitives_stringFromCharCode(rune), this.string._string0$_hasQuotes);
  	    },
  	    $signature: 606
  	  };
  	  A.module__closure4.prototype = {
  	    call$1(chunk) {
  	      return new A.SassString0(chunk, this.string._string0$_hasQuotes);
  	    },
  	    $signature: 607
  	  };
  	  A._unquote_closure0.prototype = {
  	    call$1($arguments) {
  	      var string = J.$index$asx($arguments, 0).assertString$1("string");
  	      if (!string._string0$_hasQuotes)
  	        return string;
  	      return new A.SassString0(string._string0$_text, false);
  	    },
  	    $signature: 18
  	  };
  	  A._quote_closure0.prototype = {
  	    call$1($arguments) {
  	      var string = J.$index$asx($arguments, 0).assertString$1("string");
  	      if (string._string0$_hasQuotes)
  	        return string;
  	      return new A.SassString0(string._string0$_text, true);
  	    },
  	    $signature: 18
  	  };
  	  A._length_closure1.prototype = {
  	    call$1($arguments) {
  	      return A.SassNumber_SassNumber0(J.$index$asx($arguments, 0).assertString$1("string").get$_string0$_sassLength(), null);
  	    },
  	    $signature: 25
  	  };
  	  A._insert_closure0.prototype = {
  	    call$1($arguments) {
  	      var indexInt, codeUnitIndex, _s5_ = "index",
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        insert = t1.$index($arguments, 1).assertString$1("insert"),
  	        index = t1.$index($arguments, 2).assertNumber$1(_s5_);
  	      index.assertNoUnits$1(_s5_);
  	      indexInt = index.assertInt$1(_s5_);
  	      if (indexInt < 0)
  	        indexInt = Math.max(string.get$_string0$_sassLength() + indexInt + 2, 0);
  	      t1 = string._string0$_text;
  	      codeUnitIndex = A.codepointIndexToCodeUnitIndex0(t1, A._codepointForIndex0(indexInt, string.get$_string0$_sassLength(), false));
  	      return new A.SassString0(B.JSString_methods.replaceRange$3(t1, codeUnitIndex, codeUnitIndex, insert._string0$_text), string._string0$_hasQuotes);
  	    },
  	    $signature: 18
  	  };
  	  A._index_closure1.prototype = {
  	    call$1($arguments) {
  	      var t1 = J.getInterceptor$asx($arguments),
  	        t2 = t1.$index($arguments, 0).assertString$1("string")._string0$_text,
  	        codeUnitIndex = B.JSString_methods.indexOf$1(t2, t1.$index($arguments, 1).assertString$1("substring")._string0$_text);
  	      if (codeUnitIndex === -1)
  	        return B.C__SassNull0;
  	      return A.SassNumber_SassNumber0(A.codeUnitIndexToCodepointIndex0(t2, codeUnitIndex) + 1, null);
  	    },
  	    $signature: 3
  	  };
  	  A._slice_closure0.prototype = {
  	    call$1($arguments) {
  	      var lengthInCodepoints, endInt, startCodepoint, endCodepoint,
  	        _s8_ = "start-at",
  	        t1 = J.getInterceptor$asx($arguments),
  	        string = t1.$index($arguments, 0).assertString$1("string"),
  	        start = t1.$index($arguments, 1).assertNumber$1(_s8_),
  	        end = t1.$index($arguments, 2).assertNumber$1("end-at");
  	      start.assertNoUnits$1(_s8_);
  	      end.assertNoUnits$1("end-at");
  	      lengthInCodepoints = string.get$_string0$_sassLength();
  	      endInt = end.assertInt$0();
  	      if (endInt === 0)
  	        return string._string0$_hasQuotes ? $.$get$_emptyQuoted0() : $.$get$_emptyUnquoted0();
  	      startCodepoint = A._codepointForIndex0(start.assertInt$0(), lengthInCodepoints, false);
  	      endCodepoint = A._codepointForIndex0(endInt, lengthInCodepoints, true);
  	      if (endCodepoint === lengthInCodepoints)
  	        --endCodepoint;
  	      if (endCodepoint < startCodepoint)
  	        return string._string0$_hasQuotes ? $.$get$_emptyQuoted0() : $.$get$_emptyUnquoted0();
  	      t1 = string._string0$_text;
  	      return new A.SassString0(B.JSString_methods.substring$2(t1, A.codepointIndexToCodeUnitIndex0(t1, startCodepoint), A.codepointIndexToCodeUnitIndex0(t1, endCodepoint + 1)), string._string0$_hasQuotes);
  	    },
  	    $signature: 18
  	  };
  	  A._toUpperCase_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, i, t3, t4,
  	        string = J.$index$asx($arguments, 0).assertString$1("string");
  	      for (t1 = string._string0$_text, t2 = t1.length, i = 0, t3 = ""; i < t2; ++i) {
  	        t4 = t1.charCodeAt(i);
  	        t3 += A.Primitives_stringFromCharCode(t4 >= 97 && t4 <= 122 ? t4 & 4294967263 : t4);
  	      }
  	      return new A.SassString0(t3.charCodeAt(0) == 0 ? t3 : t3, string._string0$_hasQuotes);
  	    },
  	    $signature: 18
  	  };
  	  A._toLowerCase_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1, t2, i, t3, t4,
  	        string = J.$index$asx($arguments, 0).assertString$1("string");
  	      for (t1 = string._string0$_text, t2 = t1.length, i = 0, t3 = ""; i < t2; ++i) {
  	        t4 = t1.charCodeAt(i);
  	        t3 += A.Primitives_stringFromCharCode(t4 >= 65 && t4 <= 90 ? t4 | 32 : t4);
  	      }
  	      return new A.SassString0(t3.charCodeAt(0) == 0 ? t3 : t3, string._string0$_hasQuotes);
  	    },
  	    $signature: 18
  	  };
  	  A._uniqueId_closure0.prototype = {
  	    call$1($arguments) {
  	      var t1 = $.$get$_previousUniqueId0() + ($.$get$_random1().nextInt$1(36) + 1);
  	      $._previousUniqueId0 = t1;
  	      if (t1 > Math.pow(36, 6))
  	        $._previousUniqueId0 = B.JSInt_methods.$mod($.$get$_previousUniqueId0(), A._asInt(Math.pow(36, 6)));
  	      return new A.SassString0("u" + B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1($.$get$_previousUniqueId0(), 36), 6, "0"), false);
  	    },
  	    $signature: 18
  	  };
  	  A.StringExtension_toCssIdentifier_writeEscape.prototype = {
  	    call$1(character) {
  	      var _0_0,
  	        t1 = this.buffer,
  	        t2 = A.Primitives_stringFromCharCode(92);
  	      t1._contents += t2;
  	      t2 = B.JSInt_methods.toRadixString$1(character, 16);
  	      t1._contents += t2;
  	      _0_0 = this.scanner.peekChar$0();
  	      if (A._isInt(_0_0) && A.CharacterExtension_get_isHex0(_0_0)) {
  	        t2 = A.Primitives_stringFromCharCode(32);
  	        t1._contents += t2;
  	      }
  	    },
  	    $signature: 267
  	  };
  	  A.StringExtension_toCssIdentifier_consumeSurrogatePair.prototype = {
  	    call$1(character) {
  	      var t2, t3,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$1(1);
  	      if (_1_0 == null || _1_0 >>> 10 !== 55)
  	        t1.error$2$length(0, "An individual surrogates can't be represented as a CSS identifier.", 1);
  	      else if (character >>> 7 === 439)
  	        this.writeEscape.call$1(A.combineSurrogates(t1.readChar$0(), t1.readChar$0()));
  	      else {
  	        t2 = this.buffer;
  	        t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t2._contents += t3;
  	        t1 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t2._contents += t1;
  	      }
  	    },
  	    $signature: 267
  	  };
  	  A.stringClass_closure.prototype = {
  	    call$0() {
  	      var t2,
  	        t1 = type$.JSClass,
  	        jsClass = t1._as(A.allowInteropCaptureThisNamed("sass.SassString", new A.stringClass__closure()));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["text", new A.stringClass__closure0(), "hasQuotes", new A.stringClass__closure1(), "sassLength", new A.stringClass__closure2()], type$.String, type$.Function).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      J.get$$prototype$x(jsClass).sassIndexToStringIndex = A.allowInteropCaptureThisNamed("sassIndexToStringIndex", new A.stringClass__closure3());
  	      t2 = $.$get$_emptyQuoted0();
  	      A.JSClassExtension_injectSuperclass(t1._as(t2.constructor), jsClass);
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.stringClass__closure.prototype = {
  	    call$3($self, textOrOptions, options) {
  	      var t1;
  	      if (typeof textOrOptions == "string") {
  	        t1 = options == null ? null : J.get$quotes$x(options);
  	        t1 = new A.SassString0(textOrOptions, t1 == null ? true : t1);
  	      } else {
  	        type$.nullable__ConstructorOptions_3._as(textOrOptions);
  	        t1 = textOrOptions == null ? null : J.get$quotes$x(textOrOptions);
  	        t1 = (t1 == null ? true : t1) ? $.$get$_emptyQuoted0() : $.$get$_emptyUnquoted0();
  	      }
  	      return t1;
  	    },
  	    call$1($self) {
  	      return this.call$3($self, null, null);
  	    },
  	    call$2($self, textOrOptions) {
  	      return this.call$3($self, textOrOptions, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null, null];
  	    },
  	    $signature: 609
  	  };
  	  A.stringClass__closure0.prototype = {
  	    call$1($self) {
  	      return $self._string0$_text;
  	    },
  	    $signature: 610
  	  };
  	  A.stringClass__closure1.prototype = {
  	    call$1($self) {
  	      return $self._string0$_hasQuotes;
  	    },
  	    $signature: 611
  	  };
  	  A.stringClass__closure2.prototype = {
  	    call$1($self) {
  	      return $self.get$_string0$_sassLength();
  	    },
  	    $signature: 612
  	  };
  	  A.stringClass__closure3.prototype = {
  	    call$3($self, sassIndex, $name) {
  	      var t1,
  	        index = sassIndex.assertNumber$1($name).assertInt$1($name);
  	      if (index === 0)
  	        A.throwExpression(A.SassScriptException$0("String index may not be 0.", $name));
  	      else {
  	        t1 = $self.get$_string0$_sassLength();
  	        if (Math.abs(index) > t1)
  	          A.throwExpression(A.SassScriptException$0("Invalid index " + sassIndex.toString$0(0) + " for a string with " + t1 + " characters.", $name));
  	      }
  	      t1 = index < 0 ? $self.get$_string0$_sassLength() + index : index - 1;
  	      return A.codepointIndexToCodeUnitIndex0($self._string0$_text, t1);
  	    },
  	    call$2($self, sassIndex) {
  	      return this.call$3($self, sassIndex, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 613
  	  };
  	  A._ConstructorOptions1.prototype = {};
  	  A._NodeSassString.prototype = {};
  	  A.legacyStringClass_closure.prototype = {
  	    call$3(thisArg, value, dartValue) {
  	      var t1;
  	      if (dartValue == null) {
  	        value.toString;
  	        t1 = new A.SassString0(value, false);
  	      } else
  	        t1 = dartValue;
  	      J.set$dartValue$x(thisArg, t1);
  	    },
  	    call$2(thisArg, value) {
  	      return this.call$3(thisArg, value, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 614
  	  };
  	  A.legacyStringClass_closure0.prototype = {
  	    call$1(thisArg) {
  	      return J.get$dartValue$x(thisArg)._string0$_text;
  	    },
  	    $signature: 615
  	  };
  	  A.legacyStringClass_closure1.prototype = {
  	    call$2(thisArg, value) {
  	      J.set$dartValue$x(thisArg, new A.SassString0(value, false));
  	    },
  	    $signature: 616
  	  };
  	  A.SassString0.prototype = {
  	    get$_string0$_sassLength() {
  	      var result, _this = this,
  	        value = _this._string0$__SassString__sassLength_FI;
  	      if (value === $) {
  	        result = new A.Runes(_this._string0$_text).get$length(0);
  	        _this._string0$__SassString__sassLength_FI !== $ && A.throwUnnamedLateFieldADI();
  	        _this._string0$__SassString__sassLength_FI = result;
  	        value = result;
  	      }
  	      return value;
  	    },
  	    get$isSpecialNumber() {
  	      var t1, _2_0, t2, _0_0, _1_0;
  	      if (this._string0$_hasQuotes)
  	        return false;
  	      t1 = this._string0$_text;
  	      if (t1.length < 6)
  	        return false;
  	      _2_0 = t1.charCodeAt(0);
  	      $label0$0: {
  	        t2 = false;
  	        if (97 === _2_0 || 65 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 116 && (t1.charCodeAt(2) | 32) === 116 && (t1.charCodeAt(3) | 32) === 114 && t1.charCodeAt(4) === 40;
  	          break $label0$0;
  	        }
  	        if (99 === _2_0 || 67 === _2_0) {
  	          _0_0 = t1.charCodeAt(1);
  	          $label1$1: {
  	            if (108 === _0_0 || 76 === _0_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 97 && (t1.charCodeAt(3) | 32) === 109 && (t1.charCodeAt(4) | 32) === 112 && t1.charCodeAt(5) === 40;
  	              break $label1$1;
  	            }
  	            if (97 === _0_0 || 65 === _0_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 108 && (t1.charCodeAt(3) | 32) === 99 && t1.charCodeAt(4) === 40;
  	              break $label1$1;
  	            }
  	            t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        if (118 === _2_0 || 86 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 97 && (t1.charCodeAt(2) | 32) === 114 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        if (101 === _2_0 || 69 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 110 && (t1.charCodeAt(2) | 32) === 118 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        if (109 === _2_0 || 77 === _2_0) {
  	          _1_0 = t1.charCodeAt(1);
  	          $label2$2: {
  	            if (97 === _1_0 || 65 === _1_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 120 && t1.charCodeAt(3) === 40;
  	              break $label2$2;
  	            }
  	            if (105 === _1_0 || 73 === _1_0) {
  	              t1 = (t1.charCodeAt(2) | 32) === 110 && t1.charCodeAt(3) === 40;
  	              break $label2$2;
  	            }
  	            t1 = t2;
  	            break $label2$2;
  	          }
  	          break $label0$0;
  	        }
  	        if (105 === _2_0 || 73 === _2_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 102 && t1.charCodeAt(2) === 40;
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isSpecialVariable() {
  	      var t1, _0_0;
  	      if (this._string0$_hasQuotes)
  	        return false;
  	      t1 = this._string0$_text;
  	      if (t1.length < 6)
  	        return false;
  	      _0_0 = t1.charCodeAt(0);
  	      $label0$0: {
  	        if (97 === _0_0 || 65 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 116 && (t1.charCodeAt(2) | 32) === 116 && (t1.charCodeAt(3) | 32) === 114 && t1.charCodeAt(4) === 40;
  	          break $label0$0;
  	        }
  	        if (105 === _0_0 || 73 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 102 && t1.charCodeAt(2) === 40;
  	          break $label0$0;
  	        }
  	        if (118 === _0_0 || 86 === _0_0) {
  	          t1 = (t1.charCodeAt(1) | 32) === 97 && (t1.charCodeAt(2) | 32) === 114 && t1.charCodeAt(3) === 40;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$isBlank() {
  	      return !this._string0$_hasQuotes && this._string0$_text.length === 0;
  	    },
  	    assertQuoted$1($name) {
  	      if (this._string0$_hasQuotes)
  	        return;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + " to be a quoted string.", $name));
  	    },
  	    assertUnquoted$1($name) {
  	      if (!this._string0$_hasQuotes)
  	        return;
  	      throw A.wrapException(A.SassScriptException$0("Expected " + this.toString$0(0) + " to be an unquoted string.", $name));
  	    },
  	    assertUnquoted$0() {
  	      return this.assertUnquoted$1(null);
  	    },
  	    accept$1$1(visitor) {
  	      var t1 = visitor._serialize0$_quote && this._string0$_hasQuotes,
  	        t2 = this._string0$_text;
  	      if (t1)
  	        visitor._serialize0$_visitQuotedString$1(t2);
  	      else
  	        visitor._serialize0$_visitUnquotedString$1(t2);
  	      return null;
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    assertString$1($name) {
  	      return this;
  	    },
  	    plus$1(other) {
  	      var t1 = this._string0$_text,
  	        t2 = this._string0$_hasQuotes;
  	      return other instanceof A.SassString0 ? new A.SassString0(t1 + other._string0$_text, t2) : new A.SassString0(t1 + A.serializeValue0(other, false, true), t2);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.SassString0 && this._string0$_text === other._string0$_text;
  	    },
  	    get$hashCode(_) {
  	      var t1 = this._string0$_hashCache;
  	      return t1 == null ? this._string0$_hashCache = B.JSString_methods.get$hashCode(this._string0$_text) : t1;
  	    }
  	  };
  	  A.ModifiableCssStyleRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStyleRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1;
  	      if (other instanceof A.ModifiableCssStyleRule0)
  	        t1 = B.C_ListEquality.equals$2(0, other._style_rule0$_selector._box0$_inner.value.components, this._style_rule0$_selector._box0$_inner.value.components);
  	      else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssStyleRule$0(this._style_rule0$_selector, this.span, false, this.originalSelector);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StyleRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitStyleRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.selector;
  	      return A.S(t1 == null ? this.parsedSelector : t1) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.CssStylesheet0.prototype = {
  	    get$isGroupEnd() {
  	      return false;
  	    },
  	    get$isChildless() {
  	      return false;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStylesheet$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    get$children(receiver) {
  	      return this.children;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ModifiableCssStylesheet0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssStylesheet$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      return other instanceof A.ModifiableCssStylesheet0;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssStylesheet$0(this.span);
  	    },
  	    $isCssStylesheet0: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.StylesheetParser0.prototype = {
  	    parse$0(_) {
  	      return this.wrapSpanFormatException$1(new A.StylesheetParser_parse_closure0(this));
  	    },
  	    parseParameterList$0() {
  	      return this._stylesheet0$_parseSingleProduction$1$1(new A.StylesheetParser_parseParameterList_closure0(this), type$.ParameterList_2);
  	    },
  	    _stylesheet0$_parseSingleProduction$1$1(production, $T) {
  	      return this.wrapSpanFormatException$1(new A.StylesheetParser__parseSingleProduction_closure0(this, production, $T));
  	    },
  	    parseSignature$1$requireParens(requireParens) {
  	      return this.wrapSpanFormatException$1(new A.StylesheetParser_parseSignature_closure(this, requireParens));
  	    },
  	    _stylesheet0$_statement$1$root(root) {
  	      var t2, _this = this,
  	        t1 = _this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      if (64 === _0_0)
  	        return _this.atRule$2$root(new A.StylesheetParser__statement_closure0(_this), root);
  	      if (43 === _0_0) {
  	        if (!_this.get$indented() || !_this.lookingAtIdentifier$1(1))
  	          return _this._stylesheet0$_styleRule$0();
  	        _this._stylesheet0$_isUseAllowed = false;
  	        t2 = t1._string_scanner$_position;
  	        t1.readChar$0();
  	        return _this._stylesheet0$_includeRule$1(new A._SpanScannerState(t1, t2));
  	      }
  	      if (61 === _0_0) {
  	        if (!_this.get$indented())
  	          return _this._stylesheet0$_styleRule$0();
  	        _this._stylesheet0$_isUseAllowed = false;
  	        t2 = t1._string_scanner$_position;
  	        t1.readChar$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        return _this._stylesheet0$_mixinRule$1(new A._SpanScannerState(t1, t2));
  	      }
  	      if (125 === _0_0)
  	        t1.error$2$length(0, 'unmatched "}".', 1);
  	      return _this._stylesheet0$_inStyleRule || _this._stylesheet0$_inUnknownAtRule || _this._stylesheet0$_inMixin || _this._stylesheet0$_inContentBlock ? _this._stylesheet0$_declarationOrStyleRule$0() : _this._stylesheet0$_variableDeclarationOrStyleRule$0();
  	    },
  	    _stylesheet0$_statement$0() {
  	      return this._stylesheet0$_statement$1$root(false);
  	    },
  	    variableDeclarationWithoutNamespace$2(namespace, start_) {
  	      var t1, start, $name, t2, value, flagStart, t3, guarded, global, _0_0, declaration, _this = this,
  	        precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      if (start_ == null) {
  	        t1 = _this.scanner;
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      } else
  	        start = start_;
  	      $name = _this.variableName$0();
  	      t1 = namespace != null;
  	      if (t1)
  	        _this._stylesheet0$_assertPublic$2($name, new A.StylesheetParser_variableDeclarationWithoutNamespace_closure1(_this, start));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Sass_v, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(true);
  	      t2 = _this.scanner;
  	      t2.expectChar$1(58);
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._stylesheet0$_expression$0();
  	      flagStart = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      for (t3 = _this.warnings, guarded = false, global = false; t2.scanChar$1(33);) {
  	        $label0$0: {
  	          _0_0 = _this.identifier$0();
  	          if ("default" === _0_0) {
  	            if (guarded)
  	              t3.push(new A._Record_3_deprecation_message_span(B.Deprecation_DVV, string$.x21defau, _this.spanFrom$1(flagStart)));
  	            guarded = true;
  	            break $label0$0;
  	          }
  	          if ("global" === _0_0) {
  	            if (t1)
  	              _this.error$2(0, string$.x21globai, _this.spanFrom$1(flagStart));
  	            else if (global)
  	              t3.push(new A._Record_3_deprecation_message_span(B.Deprecation_DVV, string$.x21globas, _this.spanFrom$1(flagStart)));
  	            global = true;
  	            break $label0$0;
  	          }
  	          _this.error$2(0, "Invalid flag name.", _this.spanFrom$1(flagStart));
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        flagStart = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      }
  	      _this.expectStatementSeparator$1("variable declaration");
  	      declaration = A.VariableDeclaration$0($name, value, _this.spanFrom$1(start), precedingComment, global, guarded, namespace);
  	      if (global)
  	        _this._stylesheet0$_globalVariables.putIfAbsent$2($name, new A.StylesheetParser_variableDeclarationWithoutNamespace_closure2(declaration));
  	      return declaration;
  	    },
  	    variableDeclarationWithoutNamespace$0() {
  	      return this.variableDeclarationWithoutNamespace$2(null, null);
  	    },
  	    _stylesheet0$_variableDeclarationOrStyleRule$0() {
  	      var t1, t2, variableOrInterpolation, t3, _this = this;
  	      if (_this.get$plainCss())
  	        return _this._stylesheet0$_styleRule$0();
  	      if (_this.get$indented() && _this.scanner.scanChar$1(92))
  	        return _this._stylesheet0$_styleRule$0();
  	      if (!_this.lookingAtIdentifier$0())
  	        return _this._stylesheet0$_styleRule$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      variableOrInterpolation = _this._stylesheet0$_variableDeclarationOrInterpolation$0();
  	      if (variableOrInterpolation instanceof A.VariableDeclaration0)
  	        t1 = variableOrInterpolation;
  	      else {
  	        t3 = new A.InterpolationBuffer0(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t3.addInterpolation$1(type$.Interpolation_2._as(variableOrInterpolation));
  	        t2 = _this._stylesheet0$_styleRule$2(t3, new A._SpanScannerState(t1, t2));
  	        t1 = t2;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_declarationOrStyleRule$0() {
  	      var t1, t2, declarationOrBuffer, _this = this;
  	      if (_this.get$indented() && _this.scanner.scanChar$1(92))
  	        return _this._stylesheet0$_styleRule$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      declarationOrBuffer = _this._stylesheet0$_declarationOrBuffer$0();
  	      return declarationOrBuffer instanceof A.Statement0 ? declarationOrBuffer : _this._stylesheet0$_styleRule$2(type$.InterpolationBuffer_2._as(declarationOrBuffer), new A._SpanScannerState(t1, t2));
  	    },
  	    _stylesheet0$_declarationOrBuffer$0() {
  	      var midBuffer, couldBeSelector, beforeDeclaration, value, additional, t2, t3, variableOrInterpolation, $name, isCustomProperty, t4, postColonWhitespace, _0_0, _1_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        nameBuffer = new A.InterpolationBuffer0(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        startsWithPunctuation = _this._stylesheet0$_lookingAtPotentialPropertyHack$0();
  	      if (startsWithPunctuation) {
  	        t2 = t1.readChar$0();
  	        t3 = nameBuffer._interpolation_buffer0$_text;
  	        t2 = A.Primitives_stringFromCharCode(t2);
  	        t3._contents += t2;
  	        t2 = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure3(_this));
  	        t3 = nameBuffer._interpolation_buffer0$_text;
  	        t3._contents += t2;
  	      }
  	      if (!_this._stylesheet0$_lookingAtInterpolatedIdentifier$0())
  	        return nameBuffer;
  	      variableOrInterpolation = startsWithPunctuation ? _this.interpolatedIdentifier$0() : _this._stylesheet0$_variableDeclarationOrInterpolation$0();
  	      if (variableOrInterpolation instanceof A.VariableDeclaration0)
  	        return variableOrInterpolation;
  	      else
  	        nameBuffer.addInterpolation$1(type$.Interpolation_2._as(variableOrInterpolation));
  	      _this._stylesheet0$_isUseAllowed = false;
  	      if (t1.matches$1("/*")) {
  	        t2 = _this.rawText$1(_this.get$loudComment());
  	        t3 = nameBuffer._interpolation_buffer0$_text;
  	        t3._contents += t2;
  	      }
  	      midBuffer = new A.StringBuffer("");
  	      t2 = midBuffer;
  	      t3 = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure4(_this));
  	      t2._contents += t3;
  	      t3 = t1._string_scanner$_position;
  	      if (!t1.scanChar$1(58)) {
  	        if (midBuffer._contents.length !== 0) {
  	          t1 = nameBuffer._interpolation_buffer0$_text;
  	          t2 = A.Primitives_stringFromCharCode(32);
  	          t1._contents += t2;
  	        }
  	        return nameBuffer;
  	      }
  	      t2 = A.Primitives_stringFromCharCode(58);
  	      midBuffer._contents += t2;
  	      $name = nameBuffer.interpolation$1(_this.spanFrom$2(start, new A._SpanScannerState(t1, t3)));
  	      isCustomProperty = B.JSString_methods.startsWith$1($name.get$initialPlain(), "--");
  	      if (!isCustomProperty)
  	        if (_this._stylesheet0$_inPlainCssFunction) {
  	          t3 = A.NullableExtension_andThen0($name.get$asPlain(), new A.StylesheetParser__declarationOrBuffer_closure5());
  	          if (t3 == null)
  	            t3 = false;
  	        } else
  	          t3 = false;
  	      else
  	        t3 = true;
  	      if (t3) {
  	        if (_this.atEndOfStatement$0()) {
  	          t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	          t2 = t1.offset;
  	          t2 = A.Interpolation$0(B.List_empty12, B.List_empty13, A._FileSpan$(t1.file, t2, t2));
  	          t1 = t2;
  	        } else
  	          t1 = _this._stylesheet0$_interpolatedDeclarationValue$1$silentComments(false);
  	        _this.expectStatementSeparator$1(isCustomProperty ? "custom property" : "@function result");
  	        return A.Declaration$notSassScript0($name, new A.StringExpression0(t1, false), _this.spanFrom$1(start));
  	      }
  	      if (t1.scanChar$1(58)) {
  	        t1 = nameBuffer;
  	        t3 = t1._interpolation_buffer0$_text;
  	        t4 = A.S(midBuffer);
  	        t3._contents = (t3._contents += t4) + t2;
  	        return t1;
  	      } else if (_this.get$indented() && _this._stylesheet0$_lookingAtInterpolatedIdentifier$0()) {
  	        t1 = nameBuffer;
  	        t2 = t1._interpolation_buffer0$_text;
  	        t3 = A.S(midBuffer);
  	        t2._contents += t3;
  	        return t1;
  	      }
  	      postColonWhitespace = _this.rawText$1(new A.StylesheetParser__declarationOrBuffer_closure6(_this));
  	      _0_0 = _this._stylesheet0$_tryDeclarationChildren$2($name, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      midBuffer._contents += postColonWhitespace;
  	      couldBeSelector = postColonWhitespace.length === 0 && _this._stylesheet0$_lookingAtInterpolatedIdentifier$0();
  	      beforeDeclaration = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      value = null;
  	      try {
  	        value = _this._stylesheet0$_expression$0();
  	        if (_this.lookingAtChildren$0()) {
  	          if (couldBeSelector)
  	            _this.expectStatementSeparator$0();
  	        } else if (!_this.atEndOfStatement$0())
  	          _this.expectStatementSeparator$0();
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception))) {
  	          if (!couldBeSelector)
  	            throw exception;
  	          t1.set$state(beforeDeclaration);
  	          additional = _this.almostAnyValue$0();
  	          if (!_this.get$indented() && t1.peekChar$0() === 59)
  	            throw exception;
  	          t1 = nameBuffer._interpolation_buffer0$_text;
  	          t2 = A.S(midBuffer);
  	          t1._contents += t2;
  	          nameBuffer.addInterpolation$1(additional);
  	          return nameBuffer;
  	        } else
  	          throw exception;
  	      }
  	      _1_0 = _this._stylesheet0$_tryDeclarationChildren$3$value($name, start, value);
  	      if (_1_0 != null)
  	        return _1_0;
  	      else {
  	        _this.expectStatementSeparator$0();
  	        return A.Declaration$0($name, value, _this.spanFrom$1(start));
  	      }
  	    },
  	    _stylesheet0$_variableDeclarationOrInterpolation$0() {
  	      var t1, start, identifier, buffer, _this = this;
  	      if (!_this.lookingAtIdentifier$0())
  	        return _this.interpolatedIdentifier$0();
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      identifier = _this.identifier$0();
  	      if (t1.matches$1(".$")) {
  	        t1.readChar$0();
  	        return _this.variableDeclarationWithoutNamespace$2(identifier, start);
  	      } else {
  	        t1 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1._contents = identifier;
  	        if (_this._stylesheet0$_lookingAtInterpolatedIdentifierBody$0())
  	          buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	        return buffer.interpolation$1(_this.spanFrom$1(start));
  	      }
  	    },
  	    _stylesheet0$_styleRule$2(buffer, start_) {
  	      var t1, t2, start, selector, interpolation, _this = this;
  	      _this._stylesheet0$_isUseAllowed = false;
  	      t1 = start_ == null;
  	      if (t1) {
  	        t2 = _this.scanner;
  	        start = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      } else
  	        start = start_;
  	      if (_this._parseSelectors) {
  	        if (!t1)
  	          _this.scanner.set$state(start);
  	        selector = _this._stylesheet0$_selectorList$0();
  	        return _this._stylesheet0$_withStyleRuleChildren$1$3(selector, start, new A.StylesheetParser__styleRule_closure0(_this, selector, start), type$.StyleRule_2);
  	      } else {
  	        t1 = {};
  	        interpolation = t1.interpolation = _this.styleRuleSelector$0();
  	        if (buffer != null) {
  	          buffer.addInterpolation$1(interpolation);
  	          t2 = t1.interpolation = buffer.interpolation$1(_this.spanFrom$1(start));
  	        } else
  	          t2 = interpolation;
  	        if (t2.contents.length === 0)
  	          _this.scanner.error$1(0, 'expected "}".');
  	        return _this._stylesheet0$_withStyleRuleChildren$1$3(t2, start, new A.StylesheetParser__styleRule_closure1(t1, _this, start), type$.StyleRule_2);
  	      }
  	    },
  	    _stylesheet0$_styleRule$0() {
  	      return this._stylesheet0$_styleRule$2(null, null);
  	    },
  	    _stylesheet0$_withStyleRuleChildren$1$3(nodeWithSpan, start, create, $T) {
  	      var _this = this,
  	        wasInStyleRule = _this._stylesheet0$_inStyleRule;
  	      _this._stylesheet0$_inStyleRule = true;
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser__withStyleRuleChildren_closure0(_this, nodeWithSpan, wasInStyleRule, create, $T));
  	    },
  	    _stylesheet0$_propertyOrVariableDeclaration$0() {
  	      var t2, nameBuffer, t3, $name, variableOrInterpolation, _0_0, value, _1_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this._stylesheet0$_lookingAtPotentialPropertyHack$0()) {
  	        t2 = new A.StringBuffer("");
  	        nameBuffer = new A.InterpolationBuffer0(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t3 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t2._contents += t3;
  	        t3 = _this.rawText$1(new A.StylesheetParser__propertyOrVariableDeclaration_closure0(_this));
  	        t2._contents += t3;
  	        nameBuffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	        $name = nameBuffer.interpolation$1(_this.spanFrom$1(start));
  	      } else if (!_this.get$plainCss()) {
  	        variableOrInterpolation = _this._stylesheet0$_variableDeclarationOrInterpolation$0();
  	        if (variableOrInterpolation instanceof A.VariableDeclaration0)
  	          return variableOrInterpolation;
  	        else
  	          type$.Interpolation_2._as(variableOrInterpolation);
  	        $name = variableOrInterpolation;
  	      } else
  	        $name = _this.interpolatedIdentifier$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1.expectChar$1(58);
  	      if (B.JSString_methods.startsWith$1($name.get$initialPlain(), "--"))
  	        _this.error$2(0, string$.Declarw, $name.span);
  	      _this.whitespace$1$consumeNewlines(false);
  	      _0_0 = _this._stylesheet0$_tryDeclarationChildren$2($name, start);
  	      if (_0_0 != null)
  	        return _0_0;
  	      value = _this._stylesheet0$_expression$0();
  	      _1_0 = _this._stylesheet0$_tryDeclarationChildren$3$value($name, start, value);
  	      if (_1_0 != null)
  	        return _1_0;
  	      else {
  	        _this.expectStatementSeparator$0();
  	        return A.Declaration$0($name, value, _this.spanFrom$1(start));
  	      }
  	    },
  	    _stylesheet0$_tryDeclarationChildren$3$value($name, start, value) {
  	      var _this = this;
  	      if (!_this.lookingAtChildren$0())
  	        return null;
  	      if (_this.get$plainCss())
  	        _this.scanner.error$1(0, string$.Nested);
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_declarationChild(), start, new A.StylesheetParser__tryDeclarationChildren_closure0($name, value));
  	    },
  	    _stylesheet0$_tryDeclarationChildren$2($name, start) {
  	      return this._stylesheet0$_tryDeclarationChildren$3$value($name, start, null);
  	    },
  	    _stylesheet0$_declarationChild$0() {
  	      return this.scanner.peekChar$0() === 64 ? this._stylesheet0$_declarationAtRule$0() : this._stylesheet0$_propertyOrVariableDeclaration$0();
  	    },
  	    atRule$2$root(child, root) {
  	      var $name, wasUseAllowed, value, optional, url, namespace, configuration, span, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$2$name(64, "@-rule");
  	      $name = _this.interpolatedIdentifier$0();
  	      wasUseAllowed = _this._stylesheet0$_isUseAllowed;
  	      _this._stylesheet0$_isUseAllowed = false;
  	      switch ($name.get$asPlain()) {
  	        case "at-root":
  	          return _this._stylesheet0$_atRootRule$1(start);
  	        case "content":
  	          return _this._stylesheet0$_contentRule$1(start);
  	        case "debug":
  	          return _this._stylesheet0$_debugRule$1(start);
  	        case "each":
  	          return _this._stylesheet0$_eachRule$2(start, child);
  	        case "else":
  	          return _this._stylesheet0$_disallowedAtRule$1(start);
  	        case "error":
  	          return _this._stylesheet0$_errorRule$1(start);
  	        case "extend":
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (!_this._stylesheet0$_inStyleRule && !_this._stylesheet0$_inMixin && !_this._stylesheet0$_inContentBlock)
  	            _this.error$2(0, string$.x40exten, _this.spanFrom$1(start));
  	          value = _this.almostAnyValue$0();
  	          optional = t1.scanChar$1(33);
  	          if (optional) {
  	            _this.expectIdentifier$1("optional");
  	            _this.whitespace$1$consumeNewlines(false);
  	          }
  	          _this.expectStatementSeparator$1("@extend rule");
  	          return new A.ExtendRule0(value, optional, _this.spanFrom$1(start));
  	        case "for":
  	          return _this._stylesheet0$_forRule$2(start, child);
  	        case "forward":
  	          _this._stylesheet0$_isUseAllowed = wasUseAllowed;
  	          if (!root)
  	            _this._stylesheet0$_disallowedAtRule$1(start);
  	          return _this._stylesheet0$_forwardRule$1(start);
  	        case "function":
  	          return _this._stylesheet0$_functionRule$2(start, $name);
  	        case "if":
  	          return _this._stylesheet0$_ifRule$2(start, child);
  	        case "import":
  	          return _this._stylesheet0$_importRule$1(start);
  	        case "include":
  	          return _this._stylesheet0$_includeRule$1(start);
  	        case "media":
  	          return _this.mediaRule$1(start);
  	        case "mixin":
  	          return _this._stylesheet0$_mixinRule$1(start);
  	        case "-moz-document":
  	          return _this.mozDocumentRule$2(start, $name);
  	        case "return":
  	          return _this._stylesheet0$_disallowedAtRule$1(start);
  	        case "supports":
  	          return _this.supportsRule$1(start);
  	        case "use":
  	          _this._stylesheet0$_isUseAllowed = wasUseAllowed;
  	          if (!root)
  	            _this._stylesheet0$_disallowedAtRule$1(start);
  	          _this.whitespace$1$consumeNewlines(true);
  	          url = _this._stylesheet0$_urlString$0();
  	          _this.whitespace$1$consumeNewlines(false);
  	          namespace = _this._stylesheet0$_useNamespace$2(url, start);
  	          _this.whitespace$1$consumeNewlines(false);
  	          configuration = _this._stylesheet0$_configuration$0();
  	          _this.whitespace$1$consumeNewlines(false);
  	          span = _this.spanFrom$1(start);
  	          if (!_this._stylesheet0$_isUseAllowed)
  	            _this.error$2(0, string$.x40use_r, span);
  	          _this.expectStatementSeparator$1("@use rule");
  	          t1 = new A.UseRule0(url, namespace, configuration == null ? B.List_empty26 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable_2), span);
  	          t1.UseRule$4$configuration0(url, namespace, span, configuration);
  	          return t1;
  	        case "warn":
  	          return _this._stylesheet0$_warnRule$1(start);
  	        case "while":
  	          return _this._stylesheet0$_whileRule$2(start, child);
  	        default:
  	          return _this.unknownAtRule$2(start, $name);
  	      }
  	    },
  	    _stylesheet0$_declarationAtRule$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        _0_0 = _this._stylesheet0$_plainAtRuleName$0();
  	      $label0$0: {
  	        if ("content" === _0_0) {
  	          t1 = _this._stylesheet0$_contentRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("debug" === _0_0) {
  	          t1 = _this._stylesheet0$_debugRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("each" === _0_0) {
  	          t1 = _this._stylesheet0$_eachRule$2(start, _this.get$_stylesheet0$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("else" === _0_0)
  	          _this._stylesheet0$_disallowedAtRule$1(start);
  	        if ("error" === _0_0) {
  	          t1 = _this._stylesheet0$_errorRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("for" === _0_0) {
  	          t1 = _this._stylesheet0$_forRule$2(start, _this.get$_stylesheet0$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("if" === _0_0) {
  	          t1 = _this._stylesheet0$_ifRule$2(start, _this.get$_stylesheet0$_declarationChild());
  	          break $label0$0;
  	        }
  	        if ("include" === _0_0) {
  	          t1 = _this._stylesheet0$_includeRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("warn" === _0_0) {
  	          t1 = _this._stylesheet0$_warnRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("while" === _0_0) {
  	          t1 = _this._stylesheet0$_whileRule$2(start, _this.get$_stylesheet0$_declarationChild());
  	          break $label0$0;
  	        }
  	        t1 = _this._stylesheet0$_disallowedAtRule$1(start);
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_functionChild$0() {
  	      var state, variableDeclarationError, stackTrace, statement, t2, namespace, t3, start, _0_0, value, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$0() !== 64) {
  	        t2 = t1._string_scanner$_position;
  	        state = new A._SpanScannerState(t1, t2);
  	        try {
  	          namespace = _this.identifier$0();
  	          t1.expectChar$1(46);
  	          t2 = _this.variableDeclarationWithoutNamespace$2(namespace, new A._SpanScannerState(t1, t2));
  	          return t2;
  	        } catch (exception) {
  	          t2 = A.unwrapException(exception);
  	          t3 = type$.SourceSpanFormatException;
  	          if (t3._is(t2)) {
  	            variableDeclarationError = t2;
  	            stackTrace = A.getTraceFromException(exception);
  	            t1.set$state(state);
  	            statement = null;
  	            try {
  	              statement = _this._stylesheet0$_declarationOrStyleRule$0();
  	            } catch (exception) {
  	              if (t3._is(A.unwrapException(exception)))
  	                throw A.wrapException(variableDeclarationError);
  	              else
  	                throw exception;
  	            }
  	            t2 = statement instanceof A.StyleRule0 ? "style rules" : "declarations";
  	            _this.error$3(0, "@function rules may not contain " + t2 + ".", J.get$span$x(statement), stackTrace);
  	          } else
  	            throw exception;
  	        }
  	      }
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      _0_0 = _this._stylesheet0$_plainAtRuleName$0();
  	      $label0$0: {
  	        if ("debug" === _0_0) {
  	          t1 = _this._stylesheet0$_debugRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("each" === _0_0) {
  	          t1 = _this._stylesheet0$_eachRule$2(start, _this.get$_stylesheet0$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("else" === _0_0)
  	          _this._stylesheet0$_disallowedAtRule$1(start);
  	        if ("error" === _0_0) {
  	          t1 = _this._stylesheet0$_errorRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("for" === _0_0) {
  	          t1 = _this._stylesheet0$_forRule$2(start, _this.get$_stylesheet0$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("if" === _0_0) {
  	          t1 = _this._stylesheet0$_ifRule$2(start, _this.get$_stylesheet0$_functionChild());
  	          break $label0$0;
  	        }
  	        if ("return" === _0_0) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          value = _this._stylesheet0$_expression$0();
  	          _this.expectStatementSeparator$1("@return rule");
  	          t1 = new A.ReturnRule0(value, _this.spanFrom$1(start));
  	          break $label0$0;
  	        }
  	        if ("warn" === _0_0) {
  	          t1 = _this._stylesheet0$_warnRule$1(start);
  	          break $label0$0;
  	        }
  	        if ("while" === _0_0) {
  	          t1 = _this._stylesheet0$_whileRule$2(start, _this.get$_stylesheet0$_functionChild());
  	          break $label0$0;
  	        }
  	        t1 = _this._stylesheet0$_disallowedAtRule$1(start);
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_plainAtRuleName$0() {
  	      this.scanner.expectChar$2$name(64, "@-rule");
  	      return this.identifier$0();
  	    },
  	    _stylesheet0$_atRootRule$1(start) {
  	      var t1, t2, t3, buffer, t4, _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = _this.scanner;
  	      if (t1.peekChar$0() === 40) {
  	        t2 = t1._string_scanner$_position;
  	        t3 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer0(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1.expectChar$1(40);
  	        t4 = A.Primitives_stringFromCharCode(40);
  	        t3._contents += t4;
  	        _this.whitespace$1$consumeNewlines(true);
  	        _this._stylesheet0$_addOrInject$2(buffer, _this._stylesheet0$_expression$1$consumeNewlines(true));
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t4 = A.Primitives_stringFromCharCode(58);
  	          t3._contents += t4;
  	          t4 = A.Primitives_stringFromCharCode(32);
  	          t3._contents += t4;
  	          _this._stylesheet0$_addOrInject$2(buffer, _this._stylesheet0$_expression$1$consumeNewlines(true));
  	        }
  	        t1.expectChar$1(41);
  	        _this.whitespace$1$consumeNewlines(false);
  	        t4 = A.Primitives_stringFromCharCode(41);
  	        t3._contents += t4;
  	        return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser__atRootRule_closure1(buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)))));
  	      } else {
  	        if (!_this.lookingAtChildren$0())
  	          t1 = _this.get$indented() && _this.atEndOfStatement$0();
  	        else
  	          t1 = true;
  	        if (t1)
  	          return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser__atRootRule_closure2());
  	        else
  	          return A.AtRootRule$0(A._setArrayType([_this._stylesheet0$_styleRule$0()], type$.JSArray_Statement_2), _this.spanFrom$1(start), null);
  	      }
  	    },
  	    _stylesheet0$_contentRule$1(start) {
  	      var t1, beforeWhitespace, $arguments, _this = this;
  	      if (!_this._stylesheet0$_inMixin)
  	        _this.error$2(0, string$.x40conte, _this.spanFrom$1(start));
  	      t1 = _this.scanner;
  	      beforeWhitespace = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40) {
  	        $arguments = _this._stylesheet0$_argumentInvocation$1$mixin(true);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else {
  	        t1 = beforeWhitespace.offset;
  	        $arguments = A.ArgumentList$empty0(A._FileSpan$(beforeWhitespace.file, t1, t1));
  	      }
  	      _this.expectStatementSeparator$1("@content rule");
  	      return new A.ContentRule0($arguments, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_debugRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._stylesheet0$_expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@debug rule");
  	      return new A.DebugRule0(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_eachRule$2(start, child) {
  	      var wasInControlDirective, variables, t1, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._stylesheet0$_inControlDirective;
  	      _this._stylesheet0$_inControlDirective = true;
  	      variables = A._setArrayType([_this.variableName$0()], type$.JSArray_String);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t1 = _this.scanner; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(36);
  	        variables.push(_this.identifier$1$normalize(true));
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("in");
  	      _this.whitespace$1$consumeNewlines(true);
  	      return _this._stylesheet0$_withChildren$3(child, start, new A.StylesheetParser__eachRule_closure0(_this, wasInControlDirective, variables, _this._stylesheet0$_expression$0()));
  	    },
  	    _stylesheet0$_errorRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._stylesheet0$_expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@error rule");
  	      return new A.ErrorRule0(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_functionRule$2(start, atRuleName) {
  	      var precedingComment, t1, beforeName, $name, _1_0, parameters, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      t1 = _this.scanner;
  	      beforeName = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.matches$1("--"))
  	        return _this.unknownAtRule$2(start, atRuleName);
  	      $name = _this.identifier$0();
  	      if (A.equalsIgnoreCase0($name, "type"))
  	        _this.error$2(0, string$.This_n, _this.spanFrom$1(beforeName));
  	      $label0$0: {
  	        if ("expression" === $name || "url" === $name || "and" === $name || "or" === $name || "not" === $name) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = A.unvendor0($name) === "element";
  	        break $label0$0;
  	      }
  	      if (t1)
  	        _this.error$2(0, "Invalid function name.", _this.spanFrom$1(beforeName));
  	      else {
  	        _1_0 = $name.toLowerCase();
  	        $label1$1: {
  	          if ("expression" === _1_0 || "url" === _1_0) {
  	            t1 = true;
  	            break $label1$1;
  	          }
  	          t1 = A.unvendor0(_1_0) === "element";
  	          break $label1$1;
  	        }
  	        if (t1)
  	          _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_2Ja, string$.Customf, _this.spanFrom$1(beforeName)));
  	      }
  	      _this.whitespace$1$consumeNewlines(true);
  	      parameters = _this._stylesheet0$_parameterList$0();
  	      if (_this._stylesheet0$_inMixin || _this._stylesheet0$_inContentBlock)
  	        _this.error$2(0, string$.Mixinscf, _this.spanFrom$1(start));
  	      else if (_this._stylesheet0$_inControlDirective)
  	        _this.error$2(0, string$.Functi, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_functionChild(), start, new A.StylesheetParser__functionRule_closure0($name, parameters, precedingComment));
  	    },
  	    _stylesheet0$_forRule$2(start, child) {
  	      var wasInControlDirective, variable, from, _this = this, t1 = {};
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._stylesheet0$_inControlDirective;
  	      _this._stylesheet0$_inControlDirective = true;
  	      variable = _this.variableName$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("from");
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1.exclusive = null;
  	      from = _this._stylesheet0$_expression$2$consumeNewlines$until(true, new A.StylesheetParser__forRule_closure1(t1, _this));
  	      if (t1.exclusive == null)
  	        _this.scanner.error$1(0, 'Expected "to" or "through".');
  	      _this.whitespace$1$consumeNewlines(true);
  	      return _this._stylesheet0$_withChildren$3(child, start, new A.StylesheetParser__forRule_closure2(t1, _this, wasInControlDirective, variable, from, _this._stylesheet0$_expression$0()));
  	    },
  	    _stylesheet0$_forwardRule$1(start) {
  	      var url, prefix, hiddenMixinsAndFunctions, hiddenVariables, _0_0, shownMixinsAndFunctions, shownVariables, _1_0, configuration, span, t1, t2, t3, t4, _this = this, _null = null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      url = _this._stylesheet0$_urlString$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (_this.scanIdentifier$1("as")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        prefix = _this.identifier$1$normalize(true);
  	        _this.scanner.expectChar$1(42);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else
  	        prefix = _null;
  	      hiddenMixinsAndFunctions = _null;
  	      hiddenVariables = _null;
  	      if (_this.scanIdentifier$1("show")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _0_0 = _this._stylesheet0$_memberList$0();
  	        shownMixinsAndFunctions = _0_0._0;
  	        shownVariables = _0_0._1;
  	      } else {
  	        if (_this.scanIdentifier$1("hide")) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          _1_0 = _this._stylesheet0$_memberList$0();
  	          hiddenMixinsAndFunctions = _1_0._0;
  	          hiddenVariables = _1_0._1;
  	        }
  	        shownVariables = _null;
  	        shownMixinsAndFunctions = shownVariables;
  	      }
  	      configuration = _this._stylesheet0$_configuration$1$allowGuarded(true);
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this.expectStatementSeparator$1("@forward rule");
  	      span = _this.spanFrom$1(start);
  	      if (!_this._stylesheet0$_isUseAllowed)
  	        _this.error$2(0, string$.x40forwa, span);
  	      if (shownMixinsAndFunctions != null) {
  	        shownVariables.toString;
  	        t1 = type$.String;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(shownMixinsAndFunctions, t1);
  	        t3 = type$.UnmodifiableSetView_String;
  	        t1 = A.LinkedHashSet_LinkedHashSet$of(shownVariables, t1);
  	        t4 = configuration == null ? B.List_empty26 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable_2);
  	        return new A.ForwardRule0(url, new A.UnmodifiableSetView0(t2, t3), new A.UnmodifiableSetView0(t1, t3), _null, _null, prefix, t4, span);
  	      } else if (hiddenMixinsAndFunctions != null) {
  	        hiddenVariables.toString;
  	        t1 = type$.String;
  	        t2 = A.LinkedHashSet_LinkedHashSet$of(hiddenMixinsAndFunctions, t1);
  	        t3 = type$.UnmodifiableSetView_String;
  	        t1 = A.LinkedHashSet_LinkedHashSet$of(hiddenVariables, t1);
  	        t4 = configuration == null ? B.List_empty26 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable_2);
  	        return new A.ForwardRule0(url, _null, _null, new A.UnmodifiableSetView0(t2, t3), new A.UnmodifiableSetView0(t1, t3), prefix, t4, span);
  	      } else
  	        return new A.ForwardRule0(url, _null, _null, _null, _null, prefix, configuration == null ? B.List_empty26 : A.List_List$unmodifiable(configuration, type$.ConfiguredVariable_2), span);
  	    },
  	    _stylesheet0$_memberList$0() {
  	      var _this = this,
  	        t1 = type$.String,
  	        identifiers = A.LinkedHashSet_LinkedHashSet$_empty(t1),
  	        variables = A.LinkedHashSet_LinkedHashSet$_empty(t1);
  	      t1 = _this.scanner;
  	      do {
  	        _this.whitespace$1$consumeNewlines(true);
  	        _this.withErrorMessage$2(string$.Expectv, new A.StylesheetParser__memberList_closure0(_this, variables, identifiers));
  	        _this.whitespace$1$consumeNewlines(false);
  	      } while (t1.scanChar$1(44));
  	      return new A._Record_2(identifiers, variables);
  	    },
  	    _stylesheet0$_ifRule$2(start, child) {
  	      var ifIndentation, wasInControlDirective, condition, children, clauses, lastClause, span, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      ifIndentation = _this.get$currentIndentation();
  	      wasInControlDirective = _this._stylesheet0$_inControlDirective;
  	      _this._stylesheet0$_inControlDirective = true;
  	      condition = _this._stylesheet0$_expression$0();
  	      children = _this.children$1(0, child);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      clauses = A._setArrayType([A.IfClause$0(condition, children)], type$.JSArray_IfClause_2);
  	      for (;;) {
  	        if (!_this.scanElse$1(ifIndentation)) {
  	          lastClause = null;
  	          break;
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (_this.scanIdentifier$1("if")) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          clauses.push(A.IfClause$0(_this._stylesheet0$_expression$0(), _this.children$1(0, child)));
  	        } else {
  	          lastClause = A.ElseClause$0(_this.children$1(0, child));
  	          break;
  	        }
  	      }
  	      _this._stylesheet0$_inControlDirective = wasInControlDirective;
  	      span = _this.spanFrom$1(start);
  	      _this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      return new A.IfRule0(A.List_List$unmodifiable(clauses, type$.IfClause_2), lastClause, span);
  	    },
  	    _stylesheet0$_importRule$1(start) {
  	      var argument, t3, _this = this,
  	        imports = A._setArrayType([], type$.JSArray_Import_2),
  	        t1 = _this.scanner,
  	        t2 = _this.warnings;
  	      do {
  	        _this.whitespace$1$consumeNewlines(false);
  	        argument = _this.importArgument$0();
  	        t3 = argument instanceof A.DynamicImport0;
  	        if (t3)
  	          t2.push(new A._Record_3_deprecation_message_span(B.Deprecation_L3L, string$.Sass__i, argument.span));
  	        if ((_this._stylesheet0$_inControlDirective || _this._stylesheet0$_inMixin) && t3)
  	          _this._stylesheet0$_disallowedAtRule$1(start);
  	        imports.push(argument);
  	        _this.whitespace$1$consumeNewlines(false);
  	      } while (t1.scanChar$1(44));
  	      _this.expectStatementSeparator$1("@import rule");
  	      t1 = _this.spanFrom$1(start);
  	      return new A.ImportRule0(A.List_List$unmodifiable(imports, type$.Import_2), t1);
  	    },
  	    importArgument$0() {
  	      var url, urlSpan, innerError, stackTrace, modifiers, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        _0_0 = t1.peekChar$0();
  	      if (117 === _0_0 || 85 === _0_0) {
  	        url = _this.dynamicUrl$0();
  	        _this.whitespace$1$consumeNewlines(false);
  	        modifiers = _this.tryImportModifiers$0();
  	        t1 = url instanceof A.StringExpression0 ? url.text : A.Interpolation$0(A._setArrayType([url], type$.JSArray_Object), A._setArrayType([url.get$span(url)], type$.JSArray_nullable_FileSpan), url.get$span(url));
  	        return new A.StaticImport0(t1, modifiers, _this.spanFrom$1(start));
  	      }
  	      url = _this.string$0();
  	      urlSpan = _this.spanFrom$1(start);
  	      _this.whitespace$1$consumeNewlines(false);
  	      modifiers = _this.tryImportModifiers$0();
  	      if (_this.isPlainImportUrl$1(url) || modifiers != null)
  	        return new A.StaticImport0(new A.Interpolation0(A.List_List$unmodifiable([urlSpan.get$text()], type$.Object), B.List_null, urlSpan), modifiers, _this.spanFrom$1(start));
  	      else
  	        try {
  	          t1 = _this.parseImportUrl$1(url);
  	          return new A.DynamicImport0(t1, urlSpan);
  	        } catch (exception) {
  	          t1 = A.unwrapException(exception);
  	          if (type$.FormatException._is(t1)) {
  	            innerError = t1;
  	            stackTrace = A.getTraceFromException(exception);
  	            _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), urlSpan, stackTrace);
  	          } else
  	            throw exception;
  	        }
  	    },
  	    parseImportUrl$1(url) {
  	      var t1 = $.$get$windows();
  	      if (t1.style.rootLength$1(url) > 0 && !$.$get$url().style.isRootRelative$1(url))
  	        return t1.toUri$1(url).toString$0(0);
  	      A.Uri_parse(url);
  	      return url;
  	    },
  	    isPlainImportUrl$1(url) {
  	      var _0_0, t1;
  	      if (url.length < 5)
  	        return false;
  	      if (B.JSString_methods.endsWith$1(url, ".css"))
  	        return true;
  	      _0_0 = url.charCodeAt(0);
  	      $label0$0: {
  	        if (47 === _0_0) {
  	          t1 = url.charCodeAt(1) === 47;
  	          break $label0$0;
  	        }
  	        if (104 === _0_0) {
  	          t1 = B.JSString_methods.startsWith$1(url, "http://") || B.JSString_methods.startsWith$1(url, "https://");
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    tryImportModifiers$0() {
  	      var t1, start, t2, t3, t4, buffer, t5, identifier, $name, query, t6, _this = this;
  	      if (!_this._stylesheet0$_lookingAtInterpolatedIdentifier$0() && _this.scanner.peekChar$0() !== 40)
  	        return null;
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t2 = new A.StringBuffer("");
  	      t3 = A._setArrayType([], type$.JSArray_Object);
  	      t4 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t2, t3, t4);
  	      for (;;)
  	        if (_this._stylesheet0$_lookingAtInterpolatedIdentifier$0()) {
  	          if (!(t3.length === 0 && t2._contents.length === 0)) {
  	            t5 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t5;
  	          }
  	          identifier = _this.interpolatedIdentifier$0();
  	          buffer.addInterpolation$1(identifier);
  	          t5 = identifier.get$asPlain();
  	          $name = t5 == null ? null : t5.toLowerCase();
  	          if ($name !== "and" && t1.scanChar$1(40)) {
  	            if ($name === "supports") {
  	              query = _this._stylesheet0$_importSupportsQuery$0();
  	              t5 = !(query instanceof A.SupportsDeclaration0);
  	              if (t5) {
  	                t6 = A.Primitives_stringFromCharCode(40);
  	                t2._contents += t6;
  	              }
  	              t6 = query.get$span(query);
  	              buffer._interpolation_buffer0$_flushText$0();
  	              t3.push(new A.SupportsExpression0(query));
  	              t4.push(t6);
  	              if (t5) {
  	                t5 = A.Primitives_stringFromCharCode(41);
  	                t2._contents += t5;
  	              }
  	            } else {
  	              t5 = A.Primitives_stringFromCharCode(40);
  	              t2._contents += t5;
  	              buffer.addInterpolation$1(_this._stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true));
  	              t5 = A.Primitives_stringFromCharCode(41);
  	              t2._contents += t5;
  	            }
  	            t1.expectChar$1(41);
  	            _this.whitespace$1$consumeNewlines(false);
  	          } else {
  	            _this.whitespace$1$consumeNewlines(false);
  	            if (t1.scanChar$1(44)) {
  	              t2._contents += ", ";
  	              buffer.addInterpolation$1(_this._stylesheet0$_mediaQueryList$0());
  	              return buffer.interpolation$1(_this.spanFrom$1(start));
  	            }
  	          }
  	        } else if (t1.peekChar$0() === 40) {
  	          if (!(t3.length === 0 && t2._contents.length === 0)) {
  	            t1 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t1;
  	          }
  	          buffer.addInterpolation$1(_this._stylesheet0$_mediaQueryList$0());
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        } else
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_importSupportsQuery$0() {
  	      var t1, t2, _0_0, $name, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1 = _this.scanner;
  	        t2 = t1._string_scanner$_position;
  	        return new A.SupportsNegation0(_this._stylesheet0$_supportsConditionInParens$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      } else {
  	        t1 = _this.scanner;
  	        if (t1.peekChar$0() === 40)
  	          return _this._stylesheet0$_supportsCondition$1$inParentheses(true);
  	        else {
  	          _0_0 = _this._stylesheet0$_tryImportSupportsFunction$0();
  	          if (_0_0 != null)
  	            return _0_0;
  	          t2 = t1._string_scanner$_position;
  	          $name = _this._stylesheet0$_expression$1$consumeNewlines(true);
  	          t1.expectChar$1(58);
  	          return new A.SupportsDeclaration0($name, _this._stylesheet0$_supportsDeclarationValue$1($name), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	        }
  	      }
  	    },
  	    _stylesheet0$_tryImportSupportsFunction$0() {
  	      var t1, start, $name, value, _this = this;
  	      if (!_this._stylesheet0$_lookingAtInterpolatedIdentifier$0())
  	        return null;
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      $name = _this.interpolatedIdentifier$0();
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      value = _this._stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      t1.expectChar$1(41);
  	      return new A.SupportsFunction0($name, value, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_includeRule$1(start) {
  	      var $name, t1, name0, namespace, $arguments, t2, t3, contentParameters, contentParameters_, wasInContentBlock, $content, span, _this = this, _null = null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      $name = _this.identifier$0();
  	      t1 = _this.scanner;
  	      if (t1.scanChar$1(46)) {
  	        name0 = _this._stylesheet0$_publicIdentifier$0();
  	        namespace = $name;
  	        $name = name0;
  	      } else
  	        namespace = _null;
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40)
  	        $arguments = _this._stylesheet0$_argumentInvocation$1$mixin(true);
  	      else {
  	        t2 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	        t3 = t2.offset;
  	        $arguments = A.ArgumentList$empty0(A._FileSpan$(t2.file, t3, t3));
  	      }
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (_this.scanIdentifier$1("using")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        contentParameters = _this._stylesheet0$_parameterList$0();
  	        _this.whitespace$1$consumeNewlines(false);
  	      } else
  	        contentParameters = _null;
  	      t2 = contentParameters == null;
  	      if (!t2 || _this.lookingAtChildren$0()) {
  	        if (t2) {
  	          t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	          t2 = t1.offset;
  	          contentParameters_ = new A.ParameterList0(B.List_empty27, _null, A._FileSpan$(t1.file, t2, t2));
  	        } else
  	          contentParameters_ = contentParameters;
  	        wasInContentBlock = _this._stylesheet0$_inContentBlock;
  	        _this._stylesheet0$_inContentBlock = true;
  	        $content = _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser__includeRule_closure0(contentParameters_));
  	        _this._stylesheet0$_inContentBlock = wasInContentBlock;
  	      } else {
  	        _this.expectStatementSeparator$0();
  	        $content = _null;
  	      }
  	      t1 = _this.spanFrom$2(start, start);
  	      t2 = $content == null ? $arguments : $content;
  	      span = t1.expand$1(0, t2.get$span(t2));
  	      return new A.IncludeRule0(namespace, A.stringReplaceAllUnchecked($name, "_", "-"), $name, $arguments, $content, span);
  	    },
  	    mediaRule$1(start) {
  	      var _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser_mediaRule_closure0(_this._stylesheet0$_mediaQueryList$0()));
  	    },
  	    _stylesheet0$_mixinRule$1(start) {
  	      var precedingComment, t1, t2, $name, parameters, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      precedingComment = _this.lastSilentComment;
  	      _this.lastSilentComment = null;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      $name = _this.identifier$0();
  	      if (B.JSString_methods.startsWith$1($name, "--"))
  	        _this.error$2(0, string$.Sass__m, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      _this.whitespace$1$consumeNewlines(false);
  	      if (t1.peekChar$0() === 40)
  	        parameters = _this._stylesheet0$_parameterList$0();
  	      else {
  	        t1 = A.FileLocation$_(t1._sourceFile, t1._string_scanner$_position);
  	        t2 = t1.offset;
  	        parameters = new A.ParameterList0(B.List_empty27, null, A._FileSpan$(t1.file, t2, t2));
  	      }
  	      if (_this._stylesheet0$_inMixin || _this._stylesheet0$_inContentBlock)
  	        _this.error$2(0, string$.Mixinscm, _this.spanFrom$1(start));
  	      else if (_this._stylesheet0$_inControlDirective)
  	        _this.error$2(0, string$.Mixinsb, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this._stylesheet0$_inMixin = true;
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser__mixinRule_closure0(_this, $name, parameters, precedingComment));
  	    },
  	    mozDocumentRule$2(start, $name) {
  	      var t1, t2, t3, t4, t5, buffer, _0_0, identifierStart, identifier, _1_0, argument, t6, trailing, start0, end, _this = this, _box_0 = {};
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      _box_0.needsDeprecationWarning = false;
  	      for (;;) {
  	        if (t1.peekChar$0() === 35) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          _box_0.needsDeprecationWarning = true;
  	        } else {
  	          identifierStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	          identifier = _this.identifier$0();
  	          $label0$0: {
  	            if ("url" === identifier || "url-prefix" === identifier || "domain" === identifier) {
  	              _1_0 = _this._stylesheet0$_tryUrlContents$2$name(identifierStart, identifier);
  	              if (_1_0 != null)
  	                buffer.addInterpolation$1(_1_0);
  	              else {
  	                t1.expectChar$1(40);
  	                _this.whitespace$1$consumeNewlines(false);
  	                argument = _this.interpolatedStringToken$0();
  	                t1.expectChar$1(41);
  	                t3._contents += identifier;
  	                t6 = A.Primitives_stringFromCharCode(40);
  	                t3._contents += t6;
  	                buffer.addInterpolation$1(argument);
  	                t6 = A.Primitives_stringFromCharCode(41);
  	                t3._contents += t6;
  	              }
  	              t6 = t3._contents;
  	              trailing = t6.charCodeAt(0) == 0 ? t6 : t6;
  	              if (!B.JSString_methods.endsWith$1(trailing, "url-prefix()") && !B.JSString_methods.endsWith$1(trailing, "url-prefix('')") && !B.JSString_methods.endsWith$1(trailing, 'url-prefix("")'))
  	                _box_0.needsDeprecationWarning = true;
  	              break $label0$0;
  	            }
  	            if ("regexp" === identifier) {
  	              t3._contents += "regexp(";
  	              t1.expectChar$1(40);
  	              buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	              t1.expectChar$1(41);
  	              t6 = A.Primitives_stringFromCharCode(41);
  	              t3._contents += t6;
  	              _box_0.needsDeprecationWarning = true;
  	              break $label0$0;
  	            }
  	            _this.error$2(0, "Invalid function name.", _this.spanFrom$1(identifierStart));
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        t6 = A.Primitives_stringFromCharCode(44);
  	        t3._contents += t6;
  	        start0 = t1._string_scanner$_position;
  	        new A.StylesheetParser_mozDocumentRule_closure1(_this).call$0();
  	        end = t1._string_scanner$_position;
  	        t3._contents += B.JSString_methods.substring$2(t1.string, start0, end);
  	      }
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser_mozDocumentRule_closure2(_box_0, _this, $name, buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)))));
  	    },
  	    supportsRule$1(start) {
  	      var condition, _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      condition = _this._stylesheet0$_supportsCondition$0();
  	      _this.whitespace$1$consumeNewlines(false);
  	      return _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser_supportsRule_closure0(condition));
  	    },
  	    _stylesheet0$_useNamespace$2(url, start) {
  	      var namespace, basename, dot, t1, _this = this;
  	      if (_this.scanIdentifier$1("as")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        return _this.scanner.scanChar$1(42) ? null : _this.identifier$0();
  	      }
  	      basename = url.get$pathSegments().length === 0 ? "" : B.JSArray_methods.get$last(url.get$pathSegments());
  	      dot = B.JSString_methods.indexOf$1(basename, ".");
  	      t1 = B.JSString_methods.startsWith$1(basename, "_") ? 1 : 0;
  	      namespace = B.JSString_methods.substring$2(basename, t1, dot === -1 ? basename.length : dot);
  	      try {
  	        t1 = new A.Parser1(A.SpanScanner$(namespace, null), null)._parser1$_parseIdentifier$0();
  	        return t1;
  	      } catch (exception) {
  	        if (type$.SassFormatException_2._is(A.unwrapException(exception)))
  	          _this.error$2(0, 'The default namespace "' + A.S(namespace) + string$.x22x20is_n, _this.spanFrom$1(start));
  	        else
  	          throw exception;
  	      }
  	    },
  	    _stylesheet0$_configuration$1$allowGuarded(allowGuarded) {
  	      var variableNames, configuration, t1, t2, variableStart, $name, expression, t3, guarded, span, _this = this;
  	      if (!_this.scanIdentifier$1("with"))
  	        return null;
  	      variableNames = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      configuration = A._setArrayType([], type$.JSArray_ConfiguredVariable_2);
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1 = _this.scanner;
  	      t1.expectChar$1(40);
  	      for (t2 = _this.warnings;;) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        variableStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        t1.expectChar$1(36);
  	        $name = _this.identifier$1$normalize(true);
  	        if (B.JSString_methods.startsWith$1($name, "-"))
  	          t2.push(new A._Record_3_deprecation_message_span(B.Deprecation_lkJ, string$.Config, _this.spanFrom$1(variableStart)));
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this.expressionUntilComma$0();
  	        t3 = t1._string_scanner$_position;
  	        if (allowGuarded && t1.scanChar$1(33)) {
  	          guarded = _this.identifier$0() === "default";
  	          if (guarded)
  	            _this.whitespace$1$consumeNewlines(true);
  	          else
  	            _this.error$2(0, "Invalid flag name.", _this.spanFrom$1(new A._SpanScannerState(t1, t3)));
  	        } else
  	          guarded = false;
  	        span = _this.spanFrom$1(variableStart);
  	        if (variableNames.contains$1(0, $name))
  	          _this.error$2(0, string$.The_sa, span);
  	        variableNames.add$1(0, $name);
  	        configuration.push(new A.ConfiguredVariable0($name, expression, guarded, span));
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this._stylesheet0$_lookingAtExpression$0())
  	          break;
  	      }
  	      t1.expectChar$1(41);
  	      return configuration;
  	    },
  	    _stylesheet0$_configuration$0() {
  	      return this._stylesheet0$_configuration$1$allowGuarded(false);
  	    },
  	    _stylesheet0$_warnRule$1(start) {
  	      var value, t1, t2, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      value = _this._stylesheet0$_expression$0();
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.expectStatementSeparator$1("@warn rule");
  	      return new A.WarnRule0(value, _this.spanFrom$2(start, new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_whileRule$2(start, child) {
  	      var wasInControlDirective, _this = this;
  	      _this.whitespace$1$consumeNewlines(true);
  	      wasInControlDirective = _this._stylesheet0$_inControlDirective;
  	      _this._stylesheet0$_inControlDirective = true;
  	      return _this._stylesheet0$_withChildren$3(child, start, new A.StylesheetParser__whileRule_closure0(_this, wasInControlDirective, _this._stylesheet0$_expression$0()));
  	    },
  	    unknownAtRule$2(start, $name) {
  	      var wasInPlainCssFunction, t2, _0_0, t3, _this = this, t1 = {},
  	        wasInUnknownAtRule = _this._stylesheet0$_inUnknownAtRule;
  	      _this._stylesheet0$_inUnknownAtRule = true;
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1.value = null;
  	      t2 = _this.scanner.peekChar$0() !== 33 && !_this.atEndOfStatement$0() ? t1.value = _this._stylesheet0$_interpolatedDeclarationValue$1$allowOpenBrace(false) : null;
  	      wasInPlainCssFunction = _this._stylesheet0$_inPlainCssFunction;
  	      _0_0 = $name.get$asPlain();
  	      if (_0_0 != null)
  	        t3 = A.equalsIgnoreCase0(_0_0, "function");
  	      else
  	        t3 = false;
  	      if (t3)
  	        _this._stylesheet0$_inPlainCssFunction = true;
  	      try {
  	        if (_this.lookingAtChildren$0()) {
  	          t1 = _this._stylesheet0$_withChildren$3(_this.get$_stylesheet0$_statement(), start, new A.StylesheetParser_unknownAtRule_closure0(t1, $name));
  	          return t1;
  	        } else {
  	          _this.expectStatementSeparator$0();
  	          t1 = A.AtRule$0($name, _this.spanFrom$1(start), null, t2);
  	          return t1;
  	        }
  	      } finally {
  	        _this._stylesheet0$_inUnknownAtRule = wasInUnknownAtRule;
  	        _this._stylesheet0$_inPlainCssFunction = wasInPlainCssFunction;
  	      }
  	    },
  	    _stylesheet0$_disallowedAtRule$1(start) {
  	      var _this = this;
  	      _this.whitespace$1$consumeNewlines(false);
  	      _this._stylesheet0$_interpolatedDeclarationValue$2$allowEmpty$allowOpenBrace(true, false);
  	      _this.error$2(0, "This at-rule is not allowed here.", _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_parameterList$0() {
  	      var parameters, named, restParameter, t3, $name, defaultValue, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      parameters = A._setArrayType([], type$.JSArray_Parameter_2);
  	      named = A.LinkedHashSet_LinkedHashSet$_empty(type$.String);
  	      while (restParameter = null, t1.peekChar$0() === 36) {
  	        t3 = t1._string_scanner$_position;
  	        t1.expectChar$1(36);
  	        $name = _this.identifier$1$normalize(true);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          defaultValue = _this.expressionUntilComma$0();
  	        } else {
  	          if (t1.scanChar$1(46)) {
  	            t1.expectChar$1(46);
  	            t1.expectChar$1(46);
  	            _this.whitespace$1$consumeNewlines(true);
  	            if (t1.scanChar$1(44))
  	              _this.whitespace$1$consumeNewlines(true);
  	            restParameter = $name;
  	            break;
  	          }
  	          defaultValue = null;
  	        }
  	        parameters.push(new A.Parameter0($name, defaultValue, _this.spanFrom$1(new A._SpanScannerState(t1, t3))));
  	        if (!named.add$1(0, $name))
  	          _this.error$2(0, "Duplicate parameter.", B.JSArray_methods.get$last(parameters).span);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1.expectChar$1(41);
  	      t1 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      return new A.ParameterList0(A.List_List$unmodifiable(parameters, type$.Parameter_2), restParameter, t1);
  	    },
  	    _stylesheet0$_argumentInvocation$2$allowEmptySecondArg$mixin(allowEmptySecondArg, mixin) {
  	      var positional, t3, named, namedSpans, t4, t5, t6, rest, emittedRestDeprecation, keywordRest, expression, emittedRestDeprecation0, t7, value, t8, result, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      positional = A._setArrayType([], type$.JSArray_Expression_2);
  	      t3 = type$.String;
  	      named = A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.Expression_2);
  	      namedSpans = A.LinkedHashMap_LinkedHashMap$_empty(t3, type$.FileSpan);
  	      for (t4 = !mixin, t5 = _this.warnings, t6 = type$.SourceSpan, rest = null, emittedRestDeprecation = false; keywordRest = null, _this._stylesheet0$_lookingAtExpression$0();) {
  	        expression = _this.expressionUntilComma$1$singleEquals(t4);
  	        _this.whitespace$1$consumeNewlines(true);
  	        emittedRestDeprecation0 = true;
  	        if (expression instanceof A.VariableExpression0 && t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t7 = expression.name;
  	          if (named.containsKey$1(t7))
  	            _this.error$2(0, "Duplicate argument.", expression.span);
  	          value = _this.expressionUntilComma$1$singleEquals(t4);
  	          named.$indexSet(0, t7, value);
  	          t8 = expression.span;
  	          namedSpans.$indexSet(0, t7, t8.expand$1(0, value.get$span(value)));
  	          if (rest != null && !emittedRestDeprecation) {
  	            t5.push(new A._Record_3_deprecation_message_span(B.Deprecation_Jgi, string$.Named_, new A.MultiSpan0(_this.spanFromPosition$1(t8.get$start(t8).offset), "named argument", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([rest.get$span(rest), "rest argument"], t6, t3), t6, t3))));
  	            emittedRestDeprecation = emittedRestDeprecation0;
  	          }
  	        } else if (t1.scanChar$1(46)) {
  	          t1.expectChar$1(46);
  	          t1.expectChar$1(46);
  	          if (rest != null) {
  	            _this.whitespace$1$consumeNewlines(true);
  	            if (t1.scanChar$1(44))
  	              _this.whitespace$1$consumeNewlines(true);
  	            keywordRest = expression;
  	            break;
  	          }
  	          rest = expression;
  	        } else if (named.__js_helper$_length !== 0)
  	          _this.error$2(0, string$.Positik, expression.get$span(expression));
  	        else {
  	          positional.push(expression);
  	          if (rest != null && !emittedRestDeprecation) {
  	            t5.push(new A._Record_3_deprecation_message_span(B.Deprecation_Jgi, string$.Positir, new A.MultiSpan0(expression.get$span(expression), "positional argument", A.ConstantMap_ConstantMap$from(A.LinkedHashMap_LinkedHashMap$_literal([rest.get$span(rest), "rest argument"], t6, t3), t6, t3))));
  	            emittedRestDeprecation = emittedRestDeprecation0;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (allowEmptySecondArg && positional.length === 1 && named.__js_helper$_length === 0 && rest == null && t1.peekChar$0() === 41) {
  	          t3 = t1._sourceFile;
  	          t4 = t1._string_scanner$_position;
  	          new A.FileLocation(t3, t4).FileLocation$_$2(t3, t4);
  	          t5 = new A._FileSpan(t3, t4, t4);
  	          t5._FileSpan$3(t3, t4, t4);
  	          result = A.List_List$from([""], false, type$.Object);
  	          result.$flags = 3;
  	          positional.push(new A.StringExpression0(new A.Interpolation0(result, B.List_null, t5), false));
  	          break;
  	        }
  	      }
  	      t1.expectChar$1(41);
  	      return A.ArgumentList$0(positional, named, namedSpans, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), keywordRest, rest);
  	    },
  	    _stylesheet0$_argumentInvocation$0() {
  	      return this._stylesheet0$_argumentInvocation$2$allowEmptySecondArg$mixin(false, false);
  	    },
  	    _stylesheet0$_argumentInvocation$1$allowEmptySecondArg(allowEmptySecondArg) {
  	      return this._stylesheet0$_argumentInvocation$2$allowEmptySecondArg$mixin(allowEmptySecondArg, false);
  	    },
  	    _stylesheet0$_argumentInvocation$1$mixin(mixin) {
  	      return this._stylesheet0$_argumentInvocation$2$allowEmptySecondArg$mixin(false, mixin);
  	    },
  	    _stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(bracketList, consumeNewlines, singleEquals, until) {
  	      var t2, beforeBracket, start, wasInExpression, wasInParentheses, resetState, resolveOneOperation, resolveOperations, addSingleExpression, addOperator, resolveSpaceExpressions, t3, t4, _3_0, _1_0, t5, _3_28, _2_0, _3_32, _3_40, commaExpressions, spaceExpressions, singleExpression, _this = this,
  	        _s20_ = "Expected expression.",
  	        _box_0 = {},
  	        t1 = until != null;
  	      if (t1 && until.call$0())
  	        _this.scanner.error$1(0, _s20_);
  	      if (bracketList) {
  	        t2 = _this.scanner;
  	        beforeBracket = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	        t2.expectChar$1(91);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t2.scanChar$1(93)) {
  	          t1 = A._setArrayType([], type$.JSArray_Expression_2);
  	          t2 = _this.spanFrom$1(beforeBracket);
  	          return new A.ListExpression0(A.List_List$unmodifiable(t1, type$.Expression_2), B.ListSeparator_undecided_null_3_undecided0, true, t2);
  	        }
  	      } else
  	        beforeBracket = null;
  	      t2 = _this.scanner;
  	      start = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	      wasInExpression = _this._stylesheet0$_inExpression;
  	      wasInParentheses = _this._stylesheet0$_inParentheses;
  	      _this._stylesheet0$_inExpression = true;
  	      _box_0.operands_ = _box_0.operators_ = _box_0.spaceExpressions_ = _box_0.commaExpressions_ = null;
  	      _box_0.allowSlash = true;
  	      _box_0.singleExpression_ = _this._stylesheet0$_singleExpression$0();
  	      resetState = new A.StylesheetParser__expression_resetState0(_box_0, _this, start);
  	      resolveOneOperation = new A.StylesheetParser__expression_resolveOneOperation0(_box_0, _this);
  	      resolveOperations = new A.StylesheetParser__expression_resolveOperations0(_box_0, resolveOneOperation);
  	      addSingleExpression = new A.StylesheetParser__expression_addSingleExpression0(_box_0, _this, resetState, resolveOperations);
  	      addOperator = new A.StylesheetParser__expression_addOperator0(_box_0, _this, resolveOneOperation, addSingleExpression);
  	      resolveSpaceExpressions = new A.StylesheetParser__expression_resolveSpaceExpressions0(_box_0, _this, resolveOperations);
  	      for (t3 = !consumeNewlines, t4 = type$.JSArray_Expression_2;;) {
  	        _this.whitespace$1$consumeNewlines(!t3 || bracketList);
  	        if (t1 && until.call$0())
  	          break;
  	        _3_0 = t2.peekChar$0();
  	        if (_3_0 == null)
  	          break;
  	        if (40 === _3_0) {
  	          addSingleExpression.call$1(_this.parentheses$0());
  	          continue;
  	        }
  	        if (91 === _3_0) {
  	          addSingleExpression.call$1(_this._stylesheet0$_expression$1$bracketList(true));
  	          continue;
  	        }
  	        if (36 === _3_0) {
  	          addSingleExpression.call$1(_this._stylesheet0$_variable$0());
  	          continue;
  	        }
  	        if (38 === _3_0) {
  	          addSingleExpression.call$1(_this._stylesheet0$_selector$0());
  	          continue;
  	        }
  	        if (39 === _3_0 || 34 === _3_0) {
  	          addSingleExpression.call$1(_this.interpolatedString$0());
  	          continue;
  	        }
  	        if (35 === _3_0) {
  	          addSingleExpression.call$1(_this._stylesheet0$_hashExpression$0());
  	          continue;
  	        }
  	        if (61 === _3_0) {
  	          t2.readChar$0();
  	          if (singleEquals && t2.peekChar$0() !== 61)
  	            addOperator.call$1(B.BinaryOperator_g6F0);
  	          else {
  	            t2.expectChar$1(61);
  	            addOperator.call$1(B.BinaryOperator_K7S0);
  	          }
  	          continue;
  	        }
  	        if (33 === _3_0) {
  	          $label0$1: {
  	            _1_0 = t2.peekChar$1(1);
  	            if (61 === _1_0) {
  	              t2.readChar$0();
  	              t2.readChar$0();
  	              addOperator.call$1(B.BinaryOperator_Fv20);
  	              break $label0$1;
  	            }
  	            t5 = true;
  	            if (_1_0 != null)
  	              if (105 !== _1_0)
  	                if (73 !== _1_0)
  	                  t5 = _1_0 === 32 || _1_0 === 9 || _1_0 === 10 || _1_0 === 13 || _1_0 === 12;
  	            if (t5) {
  	              addSingleExpression.call$1(_this._stylesheet0$_importantExpression$0());
  	              break $label0$1;
  	            }
  	            break;
  	          }
  	          continue;
  	        }
  	        if (60 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(t2.scanChar$1(61) ? B.BinaryOperator_f2c0 : B.BinaryOperator_CG20);
  	          continue;
  	        }
  	        if (62 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(t2.scanChar$1(61) ? B.BinaryOperator_YGt0 : B.BinaryOperator_Tic0);
  	          continue;
  	        }
  	        if (42 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_wkM0);
  	          continue;
  	        }
  	        _3_28 = 43 === _3_0;
  	        if (_3_28 && _box_0.singleExpression_ == null) {
  	          addSingleExpression.call$1(_this._stylesheet0$_unaryOperation$0());
  	          continue;
  	        }
  	        if (_3_28) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_jCK0);
  	          continue;
  	        }
  	        if (45 === _3_0) {
  	          _2_0 = t2.peekChar$1(1);
  	          if (A._isInt(_2_0) && _2_0 >= 48 && _2_0 <= 57 || 46 === _2_0)
  	            if (_box_0.singleExpression_ != null) {
  	              t5 = t2.peekChar$1(-1);
  	              t5 = t5 === 32 || t5 === 9 || t5 === 10 || t5 === 13 || t5 === 12;
  	            } else
  	              t5 = true;
  	          else
  	            t5 = false;
  	          if (t5)
  	            addSingleExpression.call$1(_this._stylesheet0$_number$0());
  	          else if (_this._stylesheet0$_lookingAtInterpolatedIdentifier$0())
  	            addSingleExpression.call$1(_this.identifierLike$0());
  	          else if (_box_0.singleExpression_ == null)
  	            addSingleExpression.call$1(_this._stylesheet0$_unaryOperation$0());
  	          else {
  	            t2.readChar$0();
  	            addOperator.call$1(B.BinaryOperator_tDf0);
  	          }
  	          continue;
  	        }
  	        _3_32 = 47 === _3_0;
  	        if (_3_32 && _box_0.singleExpression_ == null) {
  	          addSingleExpression.call$1(_this._stylesheet0$_unaryOperation$0());
  	          continue;
  	        }
  	        if (_3_32) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_ehp0);
  	          continue;
  	        }
  	        if (37 === _3_0) {
  	          t2.readChar$0();
  	          addOperator.call$1(B.BinaryOperator_bgA0);
  	          continue;
  	        }
  	        if (_3_0 >= 48 && _3_0 <= 57) {
  	          addSingleExpression.call$1(_this._stylesheet0$_number$0());
  	          continue;
  	        }
  	        _3_40 = 46 === _3_0;
  	        if (_3_40 && t2.peekChar$1(1) === 46)
  	          break;
  	        if (_3_40) {
  	          addSingleExpression.call$1(_this._stylesheet0$_number$0());
  	          continue;
  	        }
  	        if (97 === _3_0 && !_this.get$plainCss() && _this.scanIdentifier$1("and")) {
  	          addOperator.call$1(B.BinaryOperator_5vK0);
  	          continue;
  	        }
  	        if (111 === _3_0 && !_this.get$plainCss() && _this.scanIdentifier$1("or")) {
  	          addOperator.call$1(B.BinaryOperator_OOf0);
  	          continue;
  	        }
  	        if ((117 === _3_0 || 85 === _3_0) && t2.peekChar$1(1) === 43) {
  	          addSingleExpression.call$1(_this._stylesheet0$_unicodeRange$0());
  	          continue;
  	        }
  	        if (!(_3_0 >= 97 && _3_0 <= 122))
  	          t5 = _3_0 >= 65 && _3_0 <= 90 || 95 === _3_0 || 92 === _3_0 || _3_0 >= 128;
  	        else
  	          t5 = true;
  	        if (t5) {
  	          addSingleExpression.call$1(_this.identifierLike$0());
  	          continue;
  	        }
  	        if (44 === _3_0) {
  	          if (_this._stylesheet0$_inParentheses) {
  	            _this._stylesheet0$_inParentheses = false;
  	            if (_box_0.allowSlash) {
  	              resetState.call$0();
  	              continue;
  	            }
  	          }
  	          commaExpressions = _box_0.commaExpressions_;
  	          if (commaExpressions == null)
  	            commaExpressions = _box_0.commaExpressions_ = A._setArrayType([], t4);
  	          if (_box_0.singleExpression_ == null)
  	            t2.error$1(0, _s20_);
  	          resolveSpaceExpressions.call$0();
  	          t5 = _box_0.singleExpression_;
  	          t5.toString;
  	          commaExpressions.push(t5);
  	          t2.readChar$0();
  	          _box_0.allowSlash = true;
  	          _box_0.singleExpression_ = null;
  	          continue;
  	        }
  	        break;
  	      }
  	      if (bracketList)
  	        t2.expectChar$1(93);
  	      commaExpressions = _box_0.commaExpressions_;
  	      spaceExpressions = _box_0.spaceExpressions_;
  	      if (commaExpressions != null) {
  	        resolveSpaceExpressions.call$0();
  	        _this._stylesheet0$_inParentheses = wasInParentheses;
  	        singleExpression = _box_0.singleExpression_;
  	        if (singleExpression != null)
  	          commaExpressions.push(singleExpression);
  	        _this._stylesheet0$_inExpression = wasInExpression;
  	        t1 = _this.spanFrom$1(beforeBracket == null ? start : beforeBracket);
  	        return new A.ListExpression0(A.List_List$unmodifiable(commaExpressions, type$.Expression_2), B.ListSeparator_z0K0, bracketList, t1);
  	      } else if (bracketList && spaceExpressions != null) {
  	        resolveOperations.call$0();
  	        _this._stylesheet0$_inExpression = wasInExpression;
  	        t1 = _box_0.singleExpression_;
  	        t1.toString;
  	        spaceExpressions.push(t1);
  	        beforeBracket.toString;
  	        t1 = _this.spanFrom$1(beforeBracket);
  	        return new A.ListExpression0(A.List_List$unmodifiable(spaceExpressions, type$.Expression_2), B.ListSeparator_SrV0, true, t1);
  	      } else {
  	        resolveSpaceExpressions.call$0();
  	        if (bracketList) {
  	          t1 = _box_0.singleExpression_;
  	          t1.toString;
  	          t4 = A._setArrayType([t1], t4);
  	          beforeBracket.toString;
  	          t1 = _this.spanFrom$1(beforeBracket);
  	          _box_0.singleExpression_ = new A.ListExpression0(A.List_List$unmodifiable(t4, type$.Expression_2), B.ListSeparator_undecided_null_3_undecided0, true, t1);
  	        }
  	        _this._stylesheet0$_inExpression = wasInExpression;
  	        t1 = _box_0.singleExpression_;
  	        t1.toString;
  	        return t1;
  	      }
  	    },
  	    _stylesheet0$_expression$3$consumeNewlines$singleEquals$until(consumeNewlines, singleEquals, until) {
  	      return this._stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, singleEquals, until);
  	    },
  	    _stylesheet0$_expression$1$bracketList(bracketList) {
  	      return this._stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(bracketList, false, false, null);
  	    },
  	    _stylesheet0$_expression$0() {
  	      return this._stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(false, false, false, null);
  	    },
  	    _stylesheet0$_expression$1$consumeNewlines(consumeNewlines) {
  	      return this._stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, false, null);
  	    },
  	    _stylesheet0$_expression$2$consumeNewlines$until(consumeNewlines, until) {
  	      return this._stylesheet0$_expression$4$bracketList$consumeNewlines$singleEquals$until(false, consumeNewlines, false, until);
  	    },
  	    expressionUntilComma$1$singleEquals(singleEquals) {
  	      return this._stylesheet0$_expression$3$consumeNewlines$singleEquals$until(true, singleEquals, new A.StylesheetParser_expressionUntilComma_closure0(this));
  	    },
  	    expressionUntilComma$0() {
  	      return this.expressionUntilComma$1$singleEquals(false);
  	    },
  	    _stylesheet0$_isSlashOperand$1(expression) {
  	      var t1 = true;
  	      if (!(expression instanceof A.NumberExpression0))
  	        if (!(expression instanceof A.FunctionExpression0))
  	          t1 = expression instanceof A.BinaryOperationExpression0 && expression.allowsSlash;
  	      return t1;
  	    },
  	    _stylesheet0$_singleExpression$0() {
  	      var next, t2, _this = this,
  	        _s20_ = "Expected expression.",
  	        t1 = _this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (_0_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (40 === _0_0) {
  	          t1 = _this.parentheses$0();
  	          break $label0$0;
  	        }
  	        if (47 === _0_0) {
  	          t1 = _this._stylesheet0$_unaryOperation$0();
  	          break $label0$0;
  	        }
  	        if (46 === _0_0) {
  	          t1 = _this._stylesheet0$_number$0();
  	          break $label0$0;
  	        }
  	        if (91 === _0_0) {
  	          t1 = _this._stylesheet0$_expression$1$bracketList(true);
  	          break $label0$0;
  	        }
  	        if (36 === _0_0) {
  	          t1 = _this._stylesheet0$_variable$0();
  	          break $label0$0;
  	        }
  	        if (38 === _0_0) {
  	          t1 = _this._stylesheet0$_selector$0();
  	          break $label0$0;
  	        }
  	        if (39 === _0_0 || 34 === _0_0) {
  	          t1 = _this.interpolatedString$0();
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = _this._stylesheet0$_hashExpression$0();
  	          break $label0$0;
  	        }
  	        if (43 === _0_0) {
  	          next = t1.peekChar$1(1);
  	          t1 = next != null && next >= 48 && next <= 57 || next === 46 ? _this._stylesheet0$_number$0() : _this._stylesheet0$_unaryOperation$0();
  	          break $label0$0;
  	        }
  	        if (45 === _0_0) {
  	          t1 = _this._stylesheet0$_minusExpression$0();
  	          break $label0$0;
  	        }
  	        if (33 === _0_0) {
  	          t1 = _this._stylesheet0$_importantExpression$0();
  	          break $label0$0;
  	        }
  	        if (37 === _0_0) {
  	          t2 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	          t2 = new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable(["%"], type$.Object), B.List_null, t2), false);
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if ((117 === _0_0 || 85 === _0_0) && t1.peekChar$1(1) === 43) {
  	          t1 = _this._stylesheet0$_unicodeRange$0();
  	          break $label0$0;
  	        }
  	        if (_0_0 >= 48 && _0_0 <= 57) {
  	          t1 = _this._stylesheet0$_number$0();
  	          break $label0$0;
  	        }
  	        if (!(_0_0 >= 97 && _0_0 <= 122))
  	          t2 = _0_0 >= 65 && _0_0 <= 90 || 95 === _0_0 || 92 === _0_0 || _0_0 >= 128;
  	        else
  	          t2 = true;
  	        if (t2) {
  	          t1 = _this.identifierLike$0();
  	          break $label0$0;
  	        }
  	        t1 = t1.error$1(0, _s20_);
  	      }
  	      return t1;
  	    },
  	    parentheses$0() {
  	      var start, inside, first, expressions, list, t1, t2, _this = this,
  	        wasInParentheses = _this._stylesheet0$_inParentheses;
  	      _this._stylesheet0$_inParentheses = true;
  	      try {
  	        t1 = _this.scanner;
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        inside = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	        if (!_this._stylesheet0$_lookingAtExpression$0()) {
  	          t1.expectChar$1(41);
  	          t1 = A._setArrayType([], type$.JSArray_Expression_2);
  	          t2 = _this.spanFrom$1(start);
  	          t1 = A.List_List$unmodifiable(t1, type$.Expression_2);
  	          return new A.ListExpression0(t1, B.ListSeparator_undecided_null_3_undecided0, false, t2);
  	        }
  	        first = _this.expressionUntilComma$0();
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t1 = _this._stylesheet0$_map$2(first, start);
  	          return t1;
  	        }
  	        if (!t1.scanChar$1(44)) {
  	          t1.expectChar$1(41);
  	          t1 = _this.spanFrom$1(start);
  	          return new A.ParenthesizedExpression0(first, t1);
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        expressions = A._setArrayType([first], type$.JSArray_Expression_2);
  	        for (;;) {
  	          if (!_this._stylesheet0$_lookingAtExpression$0())
  	            break;
  	          J.add$1$ax(expressions, _this.expressionUntilComma$0());
  	          if (!t1.scanChar$1(44))
  	            break;
  	          _this.whitespace$1$consumeNewlines(true);
  	        }
  	        t2 = _this.spanFrom$1(inside);
  	        list = new A.ListExpression0(A.List_List$unmodifiable(expressions, type$.Expression_2), B.ListSeparator_z0K0, false, t2);
  	        t1.expectChar$1(41);
  	        t1 = _this.spanFrom$1(start);
  	        return new A.ParenthesizedExpression0(list, t1);
  	      } finally {
  	        _this._stylesheet0$_inParentheses = wasInParentheses;
  	      }
  	    },
  	    _stylesheet0$_map$2(first, start) {
  	      var t1, key, _this = this,
  	        pairs = A._setArrayType([new A._Record_2(first, _this.expressionUntilComma$0())], type$.JSArray_Record_2_Expression_and_Expression_2);
  	      for (t1 = _this.scanner; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!_this._stylesheet0$_lookingAtExpression$0())
  	          break;
  	        key = _this.expressionUntilComma$0();
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        pairs.push(new A._Record_2(key, _this.expressionUntilComma$0()));
  	      }
  	      t1.expectChar$1(41);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.MapExpression0(A.List_List$unmodifiable(pairs, type$.Record_2_Expression_and_Expression_2), t1);
  	    },
  	    _stylesheet0$_hashExpression$0() {
  	      var start, t2, identifier, buffer, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$1(1) === 123)
  	        return _this.identifierLike$0();
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(35);
  	      t2 = t1.peekChar$0();
  	      if (t2 == null)
  	        t2 = null;
  	      else
  	        t2 = t2 >= 48 && t2 <= 57;
  	      if (t2 === true)
  	        return new A.ColorExpression0(_this._stylesheet0$_hexColorContents$1(start), _this.spanFrom$1(start));
  	      t2 = t1._string_scanner$_position;
  	      identifier = _this.interpolatedIdentifier$0();
  	      if (_this._stylesheet0$_isHexColor$1(identifier)) {
  	        t1.set$state(new A._SpanScannerState(t1, t2));
  	        return new A.ColorExpression0(_this._stylesheet0$_hexColorContents$1(start), _this.spanFrom$1(start));
  	      }
  	      t1 = new A.StringBuffer("");
  	      buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      t2 = A.Primitives_stringFromCharCode(35);
  	      t1._contents += t2;
  	      buffer.addInterpolation$1(identifier);
  	      return new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	    },
  	    _stylesheet0$_hexColorContents$1(start) {
  	      var red, green, blue, alpha, digit4, t2, t3, t4, _this = this,
  	        digit1 = _this._stylesheet0$_hexDigit$0(),
  	        digit2 = _this._stylesheet0$_hexDigit$0(),
  	        digit3 = _this._stylesheet0$_hexDigit$0(),
  	        t1 = _this.scanner,
  	        $self = t1.peekChar$0();
  	      if (!($self != null && A.CharacterExtension_get_isHex0($self))) {
  	        red = (digit1 << 4 >>> 0) + digit1;
  	        green = (digit2 << 4 >>> 0) + digit2;
  	        blue = (digit3 << 4 >>> 0) + digit3;
  	        alpha = null;
  	      } else {
  	        digit4 = _this._stylesheet0$_hexDigit$0();
  	        $self = t1.peekChar$0();
  	        t2 = $self != null && A.CharacterExtension_get_isHex0($self);
  	        t3 = digit1 << 4 >>> 0;
  	        t4 = digit3 << 4 >>> 0;
  	        if (!t2) {
  	          red = t3 + digit1;
  	          green = (digit2 << 4 >>> 0) + digit2;
  	          blue = t4 + digit3;
  	          alpha = ((digit4 << 4 >>> 0) + digit4) / 255;
  	        } else {
  	          red = t3 + digit2;
  	          green = t4 + digit4;
  	          blue = (_this._stylesheet0$_hexDigit$0() << 4 >>> 0) + _this._stylesheet0$_hexDigit$0();
  	          $self = t1.peekChar$0();
  	          alpha = $self != null && A.CharacterExtension_get_isHex0($self) ? ((_this._stylesheet0$_hexDigit$0() << 4 >>> 0) + _this._stylesheet0$_hexDigit$0()) / 255 : null;
  	        }
  	      }
  	      t1 = alpha == null;
  	      t2 = t1 ? 1 : alpha;
  	      return A.SassColor_SassColor$rgbInternal0(red, green, blue, t2, t1 ? new A.SpanColorFormat0(_this.spanFrom$1(start)) : null);
  	    },
  	    _stylesheet0$_isHexColor$1(interpolation) {
  	      var _0_2, t1,
  	        plain = interpolation.get$asPlain();
  	      if (typeof plain == "string") {
  	        _0_2 = plain.length;
  	        t1 = true;
  	        if (3 !== _0_2)
  	          if (4 !== _0_2)
  	            if (6 !== _0_2)
  	              t1 = 8 === _0_2;
  	      } else
  	        t1 = false;
  	      if (t1) {
  	        t1 = new A.CodeUnits(plain);
  	        return t1.every$1(t1, new A.StylesheetParser__isHexColor_closure0());
  	      } else
  	        return false;
  	    },
  	    _stylesheet0$_hexDigit$0() {
  	      var t1 = this.scanner,
  	        t2 = t1.peekChar$0();
  	      t2 = t2 == null ? null : A.CharacterExtension_get_isHex0(t2);
  	      return t2 === true ? A.asHex0(t1.readChar$0()) : t1.error$1(0, "Expected hex digit.");
  	    },
  	    _stylesheet0$_minusExpression$0() {
  	      var _this = this,
  	        _0_0 = _this.scanner.peekChar$1(1);
  	      if (A._isInt(_0_0) && _0_0 >= 48 && _0_0 <= 57 || 46 === _0_0)
  	        return _this._stylesheet0$_number$0();
  	      if (_this._stylesheet0$_lookingAtInterpolatedIdentifier$0())
  	        return _this.identifierLike$0();
  	      return _this._stylesheet0$_unaryOperation$0();
  	    },
  	    _stylesheet0$_importantExpression$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.readChar$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      _this.expectIdentifier$1("important");
  	      t2 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      return new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable(["!important"], type$.Object), B.List_null, t2), false);
  	    },
  	    _stylesheet0$_unaryOperation$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        operator = _this._stylesheet0$_unaryOperatorFor$1(t1.readChar$0());
  	      if (operator == null)
  	        t1.error$2$position(0, "Expected unary operator.", t1._string_scanner$_position - 1);
  	      else if (_this.get$plainCss() && operator !== B.UnaryOperator_Y930)
  	        t1.error$3$length$position(0, "Operators aren't allowed in plain CSS.", 1, t1._string_scanner$_position - 1);
  	      _this.whitespace$1$consumeNewlines(true);
  	      return new A.UnaryOperationExpression0(operator, _this._stylesheet0$_singleExpression$0(), _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_unaryOperatorFor$1(character) {
  	      var t1;
  	      $label0$0: {
  	        if (43 === character) {
  	          t1 = B.UnaryOperator_n2K0;
  	          break $label0$0;
  	        }
  	        if (45 === character) {
  	          t1 = B.UnaryOperator_hCO0;
  	          break $label0$0;
  	        }
  	        if (47 === character) {
  	          t1 = B.UnaryOperator_Y930;
  	          break $label0$0;
  	        }
  	        t1 = null;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_number$0() {
  	      var number, unit, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        first = t1.peekChar$0(),
  	        t3 = first !== 43;
  	      if (!t3 || first === 45)
  	        t1.readChar$0();
  	      if (t1.peekChar$0() !== 46)
  	        _this._stylesheet0$_consumeNaturalNumber$0();
  	      _this._stylesheet0$_tryDecimal$1$allowTrailingDot(t1._string_scanner$_position !== t2 && t3 && first !== 45);
  	      _this._stylesheet0$_tryExponent$0();
  	      number = A.double_parse(t1.substring$1(0, t2));
  	      if (t1.scanChar$1(37))
  	        unit = "%";
  	      else {
  	        if (_this.lookingAtIdentifier$0())
  	          t3 = t1.peekChar$0() !== 45 || t1.peekChar$1(1) !== 45;
  	        else
  	          t3 = false;
  	        unit = t3 ? _this.identifier$1$unit(true) : null;
  	      }
  	      return new A.NumberExpression0(number, unit, _this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_consumeNaturalNumber$0() {
  	      var $self,
  	        t1 = this.scanner,
  	        t2 = t1.readChar$0();
  	      if (!(t2 >= 48 && t2 <= 57))
  	        t1.error$2$position(0, "Expected digit.", t1._string_scanner$_position - 1);
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _stylesheet0$_tryDecimal$1$allowTrailingDot(allowTrailingDot) {
  	      var $self,
  	        t1 = this.scanner;
  	      if (t1.peekChar$0() !== 46)
  	        return;
  	      $self = t1.peekChar$1(1);
  	      if (!($self != null && $self >= 48 && $self <= 57)) {
  	        if (allowTrailingDot)
  	          return;
  	        t1.error$2$position(0, "Expected digit.", t1._string_scanner$_position + 1);
  	      }
  	      t1.readChar$0();
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _stylesheet0$_tryExponent$0() {
  	      var next, $self,
  	        t1 = this.scanner,
  	        first = t1.peekChar$0();
  	      if (first !== 101 && first !== 69)
  	        return;
  	      next = t1.peekChar$1(1);
  	      if (!(next != null && next >= 48 && next <= 57) && next !== 45 && next !== 43)
  	        return;
  	      t1.readChar$0();
  	      if (43 === next || 45 === next)
  	        t1.readChar$0();
  	      $self = t1.peekChar$0();
  	      if (!($self != null && $self >= 48 && $self <= 57))
  	        t1.error$1(0, "Expected digit.");
  	      for (;;) {
  	        $self = t1.peekChar$0();
  	        if (!($self != null && $self >= 48 && $self <= 57))
  	          break;
  	        t1.readChar$0();
  	      }
  	    },
  	    _stylesheet0$_unicodeRange$0() {
  	      var firstRangeLength, hasQuestionMark, t3, secondRangeLength, _this = this,
  	        _s26_ = "Expected at most 6 digits.",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        start = new A._SpanScannerState(t1, t2);
  	      _this.expectIdentChar$1(117);
  	      t1.expectChar$1(43);
  	      for (firstRangeLength = 0; _this.scanCharIf$1(new A.StylesheetParser__unicodeRange_closure1());)
  	        ++firstRangeLength;
  	      for (hasQuestionMark = false; t1.scanChar$1(63); hasQuestionMark = true)
  	        ++firstRangeLength;
  	      if (firstRangeLength === 0)
  	        t1.error$1(0, 'Expected hex digit or "?".');
  	      else if (firstRangeLength > 6)
  	        _this.error$2(0, _s26_, _this.spanFrom$1(start));
  	      else if (hasQuestionMark) {
  	        t1 = t1.substring$1(0, t2);
  	        t2 = _this.spanFrom$1(start);
  	        return new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable([t1], type$.Object), B.List_null, t2), false);
  	      }
  	      if (t1.scanChar$1(45)) {
  	        t3 = t1._string_scanner$_position;
  	        for (secondRangeLength = 0; _this.scanCharIf$1(new A.StylesheetParser__unicodeRange_closure2());)
  	          ++secondRangeLength;
  	        if (secondRangeLength === 0)
  	          t1.error$1(0, "Expected hex digit.");
  	        else if (secondRangeLength > 6)
  	          _this.error$2(0, _s26_, _this.spanFrom$1(new A._SpanScannerState(t1, t3)));
  	      }
  	      if (_this._stylesheet0$_lookingAtInterpolatedIdentifierBody$0())
  	        t1.error$1(0, "Expected end of identifier.");
  	      t1 = t1.substring$1(0, t2);
  	      t2 = _this.spanFrom$1(start);
  	      return new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable([t1], type$.Object), B.List_null, t2), false);
  	    },
  	    _stylesheet0$_variable$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        $name = _this.variableName$0();
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Sass_v, _this.spanFrom$1(start));
  	      return new A.VariableExpression0(null, $name, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_selector$0() {
  	      var t1, start, _this = this;
  	      if (_this.get$plainCss())
  	        _this.scanner.error$2$length(0, string$.The_pa, 1);
  	      t1 = _this.scanner;
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(38);
  	      if (t1.scanChar$1(38)) {
  	        _this.warnings.push(new A._Record_3_deprecation_message_span(null, string$.In_Sas, _this.spanFrom$1(start)));
  	        t1.set$position(t1._string_scanner$_position - 1);
  	      }
  	      return new A.SelectorExpression0(_this.spanFrom$1(start));
  	    },
  	    interpolatedString$0() {
  	      var t3, t4, t5, buffer, _1_0, second, t6, _0_0,
  	        t1 = this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t2);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 === quote) {
  	          t1.readChar$0();
  	          break;
  	        }
  	        if (_1_0 == null || _1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	          t1.error$1(0, "Expected " + A.Primitives_stringFromCharCode(quote) + ".");
  	        if (92 === _1_0) {
  	          second = t1.peekChar$1(1);
  	          if (second === 10 || second === 13 || second === 12) {
  	            t1.readChar$0();
  	            t1.readChar$0();
  	            if (second === 13)
  	              t1.scanChar$1(10);
  	          } else {
  	            t6 = A.Primitives_stringFromCharCode(A.consumeEscapedCharacter0(t1));
  	            t3._contents += t6;
  	          }
  	          continue;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = this.singleInterpolation$0();
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t3._contents += t6;
  	      }
  	      return new A.StringExpression0(buffer.interpolation$1(this.spanFrom$1(new A._SpanScannerState(t1, t2))), true);
  	    },
  	    interpolatedStringToken$0() {
  	      var t3, t4, t5, buffer, t6, _1_0, second, t7, start, end, _0_0, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        quote = t1.readChar$0();
  	      if (quote !== 39 && quote !== 34)
  	        t1.error$2$position(0, "Expected string.", t2);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      t6 = A.Primitives_stringFromCharCode(quote);
  	      t3._contents += t6;
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 === quote) {
  	          t4 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t4;
  	          break;
  	        }
  	        if (_1_0 == null || _1_0 === 10 || _1_0 === 13 || _1_0 === 12)
  	          t1.error$1(0, "Expected " + t6 + ".");
  	        if (92 === _1_0) {
  	          second = t1.peekChar$1(1);
  	          if (second === 10 || second === 13 || second === 12) {
  	            t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t7;
  	            t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t7;
  	            if (second === 13)
  	              if (t1.scanChar$1(10)) {
  	                t7 = A.Primitives_stringFromCharCode(10);
  	                t3._contents += t7;
  	              }
  	          } else {
  	            start = t1._string_scanner$_position;
  	            new A.StylesheetParser_interpolatedStringToken_closure0(_this).call$0();
  	            end = t1._string_scanner$_position;
  	            t3._contents += B.JSString_methods.substring$2(t1.string, start, end);
  	          }
  	          continue;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t7 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	        t3._contents += t7;
  	      }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    identifierLike$0() {
  	      var beforeParen, invocation, expression, t1, _0_0, suggestion, _1_0, t4, _2_0, _3_0, _3_2, _3_4, _this = this,
  	        t2 = _this.scanner,
  	        start = new A._SpanScannerState(t2, t2._string_scanner$_position),
  	        identifier = _this.interpolatedIdentifier$0(),
  	        plain = identifier.get$asPlain(),
  	        lower = A._Cell$(),
  	        t3 = plain != null;
  	      if (t3) {
  	        if (plain === "if" && t2.peekChar$0() === 40) {
  	          beforeParen = new A._SpanScannerState(t2, t2._string_scanner$_position);
  	          try {
  	            invocation = _this._stylesheet0$_argumentInvocation$0();
  	            expression = new A.LegacyIfExpression0(invocation, identifier.span.expand$1(0, invocation.span));
  	            t1 = null;
  	            _0_0 = expression.get$modernSuggestion();
  	            $label0$0: {
  	              suggestion = null;
  	              if (_0_0 != null) {
  	                suggestion = _0_0;
  	                t1 = "Suggestion: " + A.S(suggestion) + "\n\n";
  	                break $label0$0;
  	              }
  	              t1 = "";
  	              break $label0$0;
  	            }
  	            _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_qka, B.JSString_methods.$add(string$.The_Sa, t1) + string$.More_i, expression.span));
  	            return expression;
  	          } catch (exception) {
  	            if (type$.FormatException._is(A.unwrapException(exception))) {
  	              t2.set$state(beforeParen);
  	              return _this.ifExpression$1(start);
  	            } else
  	              throw exception;
  	          }
  	        } else if (plain.toLowerCase() === "if" && t2.peekChar$0() === 40)
  	          return _this.ifExpression$1(start);
  	        else if (plain === "not") {
  	          _this.whitespace$1$consumeNewlines(true);
  	          expression = _this._stylesheet0$_singleExpression$0();
  	          return new A.UnaryOperationExpression0(B.UnaryOperator_not_not_3_not0, expression, identifier.span.expand$1(0, expression.get$span(expression)));
  	        }
  	        lower.__late_helper$_value = plain.toLowerCase();
  	        if (t2.peekChar$0() !== 40) {
  	          switch (plain) {
  	            case "false":
  	              return new A.BooleanExpression0(false, identifier.span);
  	            case "null":
  	              return new A.NullExpression0(identifier.span);
  	            case "true":
  	              return new A.BooleanExpression0(true, identifier.span);
  	          }
  	          _1_0 = $.$get$colorsByName0().$index(0, lower._readLocal$0());
  	          if (_1_0 != null) {
  	            t1 = B.JSNumber_methods.round$0(_1_0._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "red"));
  	            t2 = B.JSNumber_methods.round$0(_1_0._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "green"));
  	            t3 = B.JSNumber_methods.round$0(_1_0._color0$_legacyChannel$2(B.RgbColorSpace_i0P0, "blue"));
  	            t4 = _1_0.alphaOrNull;
  	            if (t4 == null)
  	              t4 = 0;
  	            return new A.ColorExpression0(A.SassColor_SassColor$rgbInternal0(t1, t2, t3, t4, new A.SpanColorFormat0(identifier.span)), identifier.span);
  	          }
  	        }
  	        _2_0 = _this.trySpecialFunction$2(lower._readLocal$0(), start);
  	        if (_2_0 != null)
  	          return _2_0;
  	      }
  	      _3_0 = t2.peekChar$0();
  	      _3_2 = 46 === _3_0;
  	      if (_3_2 && t2.peekChar$1(1) === 46)
  	        return new A.StringExpression0(identifier, false);
  	      if (_3_2) {
  	        t2.readChar$0();
  	        if (t3)
  	          return _this.namespacedExpression$2(plain, start);
  	        _this.error$2(0, string$.Interpn, identifier.span);
  	      }
  	      _3_4 = 40 === _3_0;
  	      if (_3_4 && t3) {
  	        t1 = _this._stylesheet0$_argumentInvocation$1$allowEmptySecondArg(J.$eq$(lower._readLocal$0(), "var"));
  	        t2 = _this.spanFrom$1(start);
  	        return new A.FunctionExpression0(null, A.stringReplaceAllUnchecked(plain, "_", "-"), plain, t1, t2);
  	      }
  	      if (_3_4)
  	        return new A.InterpolatedFunctionExpression0(identifier, _this._stylesheet0$_argumentInvocation$0(), _this.spanFrom$1(start));
  	      return new A.StringExpression0(identifier, false);
  	    },
  	    ifExpression$1(start) {
  	      var branches, condition, t2, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      branches = A._setArrayType([], type$.JSArray_Record_2_nullable_IfConditionExpression_and_Expression_2);
  	      while (t1.peekChar$0() !== 41) {
  	        condition = _this.scanIdentifier$1("else") ? null : _this._stylesheet0$_ifConditionExpression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	        _this.whitespace$1$consumeNewlines(true);
  	        branches.push(new A._Record_2(condition, _this._stylesheet0$_expression$1$consumeNewlines(true)));
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (!t1.scanChar$1(59))
  	          break;
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1.expectChar$1(41);
  	      t1 = t1.spanFrom$1(start);
  	      t2 = A.List_List$unmodifiable(branches, type$.Record_2_nullable_IfConditionExpression_and_Expression_2);
  	      if (t2.length === 0)
  	        A.throwExpression(A.ArgumentError$value(t2, "branches", "may not be empty"));
  	      return new A.IfExpression0(t2, t1);
  	    },
  	    _stylesheet0$_ifConditionExpression$0() {
  	      var groups, op, _0_0, single, result, _2_0, _this = this,
  	        _s44_ = string$.Whitesa,
  	        _s11_ = "expressions",
  	        _s21_ = "must have length >= 2",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      if (_this.scanIdentifier$1("not")) {
  	        if (t1.peekChar$0() === 40)
  	          t1.error$1(0, string$.Whitesn);
  	        _this.whitespace$1$consumeNewlines(true);
  	        return new A.IfConditionNegation0(_this._stylesheet0$_ifGroup$0(), t1.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	      }
  	      groups = A._setArrayType([_this._stylesheet0$_ifGroup$0()], type$.JSArray_IfConditionExpression_2);
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (op = null;;) {
  	        if (op !== B.BooleanOperator_10 && _this.scanIdentifier$1("and")) {
  	          if (t1.peekChar$0() === 40)
  	            t1.error$1(0, _s44_);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_00;
  	          groups.push(_this._stylesheet0$_ifGroup$0());
  	        } else if (op !== B.BooleanOperator_00 && _this.scanIdentifier$1("or")) {
  	          if (t1.peekChar$0() === 40)
  	            t1.error$1(0, _s44_);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_10;
  	          groups.push(_this._stylesheet0$_ifGroup$0());
  	        } else {
  	          _0_0 = t1.peekChar$0();
  	          if (_0_0 != null && _0_0 !== 41 && _0_0 !== 58 && B.JSArray_methods.get$last(groups).get$isArbitrarySubstitution()) {
  	            $label0$0: {
  	              if (groups.length === 1) {
  	                single = groups[0];
  	                t1 = single;
  	                break $label0$0;
  	              }
  	              op.toString;
  	              result = A.List_List$from(groups, false, type$.IfConditionExpression_2);
  	              result.$flags = 3;
  	              t1 = result;
  	              t2 = new A.IfConditionOperation0(t1, op);
  	              if (t1.length < 2)
  	                A.throwExpression(A.ArgumentError$value(t1, _s11_, _s21_));
  	              t1 = t2;
  	              break $label0$0;
  	            }
  	            return _this._stylesheet0$_ifConditionRaw$2(t1, _this._stylesheet0$_ifGroup$0());
  	          } else {
  	            _2_0 = _this._stylesheet0$_tryArbitrarySubstitution$0();
  	            if (_2_0 != null) {
  	              $label1$1: {
  	                if (groups.length === 1) {
  	                  single = groups[0];
  	                  t1 = single;
  	                  break $label1$1;
  	                }
  	                op.toString;
  	                result = A.List_List$from(groups, false, type$.IfConditionExpression_2);
  	                result.$flags = 3;
  	                t1 = result;
  	                t2 = new A.IfConditionOperation0(t1, op);
  	                if (t1.length < 2)
  	                  A.throwExpression(A.ArgumentError$value(t1, _s11_, _s21_));
  	                t1 = t2;
  	                break $label1$1;
  	              }
  	              return _this._stylesheet0$_ifConditionRaw$2(t1, _2_0);
  	            } else
  	              break;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      $label2$3: {
  	        if (groups.length === 1) {
  	          single = groups[0];
  	          t1 = single;
  	          break $label2$3;
  	        }
  	        op.toString;
  	        t1 = A.IfConditionOperation$0(groups, op);
  	        break $label2$3;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_ifConditionRaw$2(preceding, next) {
  	      var t1, t2, _0_5, _0_6, t3, last, buffer, op, t4, lastGroup, lastGroup0, _1_0, _2_0, _this = this, _null = null;
  	      $label0$0: {
  	        if (preceding.get$isArbitrarySubstitution()) {
  	          t1 = preceding;
  	          break $label0$0;
  	        }
  	        t1 = _null;
  	        t2 = false;
  	        if (preceding instanceof A.IfConditionOperation0) {
  	          _0_5 = preceding.expressions;
  	          _0_6 = _0_5.length;
  	          t3 = _0_6;
  	          if (t3 >= 1) {
  	            last = _0_5[_0_6 - 1];
  	            t1 = last.get$isArbitrarySubstitution();
  	          } else {
  	            last = t1;
  	            t1 = t2;
  	          }
  	        } else {
  	          last = t1;
  	          t1 = t2;
  	        }
  	        if (t1) {
  	          t1 = last;
  	          break $label0$0;
  	        }
  	        t1 = next.get$isArbitrarySubstitution();
  	        if (t1) {
  	          t1 = next;
  	          break $label0$0;
  	        }
  	        t1 = A.throwExpression(A.ArgumentError$("Either " + preceding.toString$0(0) + string$.x20must_e + next.toString$0(0) + " must be one.", _null));
  	      }
  	      t2 = new A.StringBuffer("");
  	      buffer = new A.InterpolationBuffer0(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      buffer.addInterpolation$1(preceding.toInterpolation$1(t1));
  	      t3 = A.Primitives_stringFromCharCode(32);
  	      t2._contents += t3;
  	      buffer.addInterpolation$1(next.toInterpolation$1(t1));
  	      op = preceding instanceof A.IfConditionOperation0 ? preceding.op : _null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t4 = _this.scanner, lastGroup = next;;) {
  	        if (op !== B.BooleanOperator_10 && _this.scanIdentifier$1("and")) {
  	          if (t4.peekChar$0() === 40)
  	            t4.error$1(0, string$.Whitesa);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_00;
  	          lastGroup0 = _this._stylesheet0$_ifGroup$0();
  	          t2._contents += " and ";
  	          buffer.addInterpolation$1(lastGroup0.toInterpolation$1(t1));
  	        } else if (op !== B.BooleanOperator_00 && _this.scanIdentifier$1("or")) {
  	          if (t4.peekChar$0() === 40)
  	            t4.error$1(0, string$.Whiteso);
  	          _this.whitespace$1$consumeNewlines(true);
  	          if (op == null)
  	            op = B.BooleanOperator_10;
  	          lastGroup = _this._stylesheet0$_ifGroup$0();
  	          _this.whitespace$1$consumeNewlines(true);
  	          t2._contents += " or ";
  	          buffer.addInterpolation$1(lastGroup.toInterpolation$1(t1));
  	        } else {
  	          _1_0 = t4.peekChar$0();
  	          if (_1_0 != null && _1_0 !== 41 && _1_0 !== 58 && lastGroup.get$isArbitrarySubstitution()) {
  	            lastGroup = _this._stylesheet0$_ifGroup$0();
  	            t2._contents += t3;
  	            buffer.addInterpolation$1(lastGroup.toInterpolation$1(t1));
  	          } else {
  	            _2_0 = _this._stylesheet0$_tryArbitrarySubstitution$0();
  	            if (_2_0 != null) {
  	              t2._contents += t3;
  	              buffer.addInterpolation$1(_2_0.toInterpolation$1(t1));
  	            } else
  	              break;
  	            lastGroup = _2_0;
  	          }
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      t1 = preceding.get$span(preceding);
  	      t4 = A.FileLocation$_(t4._sourceFile, t4._string_scanner$_position);
  	      t2 = t4.offset;
  	      return new A.IfConditionRaw0(buffer.interpolation$1(t1.expand$1(0, A._FileSpan$(t4.file, t2, t2))));
  	    },
  	    _stylesheet0$_ifGroup$0() {
  	      var expression, t2, identifier, _0_1, _0_6, plain, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (40 === t1.peekChar$0()) {
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this._stylesheet0$_ifConditionExpression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(41);
  	        return new A.IfConditionParenthesized0(expression, t1.spanFrom$1(start));
  	      }
  	      t2 = _this.scanIdentifier$2$caseSensitive("sass", true);
  	      if (t2) {
  	        t1.expectChar$1(40);
  	        _this.whitespace$1$consumeNewlines(true);
  	        expression = _this._stylesheet0$_expression$0();
  	        _this.whitespace$1$consumeNewlines(true);
  	        t1.expectChar$1(41);
  	        if (_this.get$plainCss())
  	          _this.error$2(0, string$.sass__, t1.spanFrom$1(start));
  	        else
  	          return new A.IfConditionSass0(expression, t1.spanFrom$1(start));
  	      }
  	      identifier = _this.interpolatedIdentifier$0();
  	      _0_1 = identifier.contents;
  	      if (_0_1.length === 1)
  	        t2 = _0_1[0] instanceof A.Expression0 && t1.peekChar$0() !== 40;
  	      else
  	        t2 = false;
  	      if (t2)
  	        return new A.IfConditionRaw0(identifier);
  	      _0_6 = identifier.get$asPlain();
  	      if (_0_6 != null) {
  	        plain = _0_6 == null ? A._asString(_0_6) : _0_6;
  	        t2 = B.Set_6V2Gi.contains$1(0, plain.toLowerCase()) && t1.peekChar$0() === 40;
  	      } else
  	        t2 = false;
  	      if (t2)
  	        t1.error$1(0, 'Whitespace is required between "' + identifier.toString$0(0) + '" and "("');
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      expression = _this._stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1.expectChar$1(41);
  	      return new A.IfConditionFunction0(identifier, expression, t1.spanFrom$1(start));
  	    },
  	    _stylesheet0$_tryArbitrarySubstitution$0() {
  	      var _0_0, span, start, t2, $arguments, _this = this,
  	        t1 = _this.scanner;
  	      if (t1.peekChar$0() === 35) {
  	        _0_0 = _this.singleInterpolation$0();
  	        span = _0_0._1;
  	        t1 = new A.InterpolationBuffer0(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1.add$2(0, _0_0._0, span);
  	        return new A.IfConditionRaw0(t1.interpolation$1(span));
  	      }
  	      start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      $label0$0: {
  	        t2 = _this.scanIdentifier$1("if");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation0(A.List_List$unmodifiable(["if"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = _this.scanIdentifier$1("var");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation0(A.List_List$unmodifiable(["var"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = _this.scanIdentifier$1("attr");
  	        if (t2) {
  	          t2 = t1.spanFrom$1(start);
  	          t2 = new A.Interpolation0(A.List_List$unmodifiable(["attr"], type$.Object), B.List_null, t2);
  	          break $label0$0;
  	        }
  	        t2 = t1.matches$1("--");
  	        if (t2) {
  	          t2 = _this.interpolatedIdentifier$0();
  	          break $label0$0;
  	        }
  	        t2 = null;
  	        break $label0$0;
  	      }
  	      if (t2 == null)
  	        return null;
  	      if (!t1.scanChar$1(40)) {
  	        t1.set$state(start);
  	        return null;
  	      }
  	      $arguments = _this._stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	      t1.expectChar$1(41);
  	      return new A.IfConditionFunction0(t2, $arguments, t1.spanFrom$1(start));
  	    },
  	    namespacedExpression$2(namespace, start) {
  	      var $name, t1, t2, t3, _this = this;
  	      if (_this.scanner.peekChar$0() === 36) {
  	        $name = _this.variableName$0();
  	        _this._stylesheet0$_assertPublic$2($name, new A.StylesheetParser_namespacedExpression_closure0(_this, start));
  	        return new A.VariableExpression0(namespace, $name, _this.spanFrom$1(start));
  	      }
  	      t1 = _this._stylesheet0$_publicIdentifier$0();
  	      t2 = _this._stylesheet0$_argumentInvocation$0();
  	      t3 = _this.spanFrom$1(start);
  	      return new A.FunctionExpression0(namespace, A.stringReplaceAllUnchecked(t1, "_", "-"), t1, t2, t3);
  	    },
  	    trySpecialFunction$2($name, start) {
  	      var invalidSassScript, nonCssSassScript, argument, t1, buffer, t2, normalized, vendored, _0_2, t3, value, suggestion, next, _this = this;
  	      if ($name === "type" && _this.scanner.scanChar$1(40)) {
  	        t1 = new A.StringBuffer("");
  	        buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	        t1._contents = $name;
  	        t2 = A.Primitives_stringFromCharCode(40);
  	        t1._contents += t2;
  	      } else {
  	        normalized = A.unvendor0($name);
  	        t1 = normalized === $name;
  	        vendored = !t1;
  	        $label0$0: {
  	          _0_2 = "expression" === normalized;
  	          if (_0_2 && vendored && _this.scanner.scanChar$1(40)) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t2;
  	            t2 = _this.scanner;
  	            t3 = t2._string_scanner$_position;
  	            invalidSassScript = false;
  	            nonCssSassScript = false;
  	            try {
  	              argument = _this._stylesheet0$_expression$0();
  	              nonCssSassScript = !argument.accept$1(new A.IsPlainCssVisitor0(true));
  	            } catch (exception) {
  	              if (A.unwrapException(exception) instanceof A.StringScannerException)
  	                invalidSassScript = true;
  	              else
  	                throw exception;
  	            }
  	            t2.set$state(new A._SpanScannerState(t2, t3));
  	            value = _this._stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(true);
  	            buffer.addInterpolation$1(value);
  	            t2.expectChar$1(41);
  	            t2 = A.Primitives_stringFromCharCode(41);
  	            t1._contents += t2;
  	            if (invalidSassScript || nonCssSassScript) {
  	              suggestion = new A.StringExpression0(value, true).asInterpolation$0();
  	              t1 = invalidSassScript ? "be parsed as SassScript. " : "no longer be valid syntax. ";
  	              _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_2Ja, "Vendor-prefixed " + normalized + string$.x28__fun + t1 + ("To preserve current behavior:\n\n" + $name + "(#{" + suggestion.toString$0(0) + string$.x7dx29__Mo), _this.spanFrom$1(start)));
  	            }
  	            return new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	          }
  	          t2 = true;
  	          if (!("calc" === normalized && vendored && _this.scanner.scanChar$1(40)))
  	            if (!(_0_2 && t1 && _this.scanner.scanChar$1(40)))
  	              t1 = "element" === normalized && _this.scanner.scanChar$1(40);
  	            else
  	              t1 = t2;
  	          else
  	            t1 = t2;
  	          if (t1) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t2;
  	            break $label0$0;
  	          }
  	          if ("progid" === normalized && _this.scanner.scanChar$1(58)) {
  	            t1 = new A.StringBuffer("");
  	            buffer = new A.InterpolationBuffer0(t1, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	            t1._contents = $name;
  	            t2 = A.Primitives_stringFromCharCode(58);
  	            t1._contents += t2;
  	            t2 = _this.scanner;
  	            next = t2.peekChar$0();
  	            for (;;) {
  	              if (next != null) {
  	                if (!(next >= 97 && next <= 122))
  	                  t3 = next >= 65 && next <= 90;
  	                else
  	                  t3 = true;
  	                t3 = t3 || next === 46;
  	              } else
  	                t3 = false;
  	              if (!t3)
  	                break;
  	              t3 = A.Primitives_stringFromCharCode(t2.readChar$0());
  	              t1._contents += t3;
  	              next = t2.peekChar$0();
  	            }
  	            t2.expectChar$1(40);
  	            t3 = A.Primitives_stringFromCharCode(40);
  	            t1._contents += t3;
  	            buffer.addInterpolation$1(_this._stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(true));
  	            t2.expectChar$1(41);
  	            t2 = A.Primitives_stringFromCharCode(41);
  	            t1._contents += t2;
  	            if (vendored)
  	              _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_2Ja, string$.Vendorp + new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), true).asInterpolation$0().toString$0(0) + string$.x7dx0a_Mor, _this.spanFrom$1(start)));
  	            return new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	          }
  	          if ("url" === normalized)
  	            return A.NullableExtension_andThen0(_this._stylesheet0$_tryUrlContents$2$vendored(start, vendored), new A.StylesheetParser_trySpecialFunction_closure0());
  	          return null;
  	        }
  	      }
  	      buffer.addInterpolation$1(_this._stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(true));
  	      _this.scanner.expectChar$1(41);
  	      t1 = buffer._interpolation_buffer0$_text;
  	      t2 = A.Primitives_stringFromCharCode(41);
  	      t1._contents += t2;
  	      return new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), false);
  	    },
  	    _stylesheet0$_tryUrlContents$3$name$vendored(start, $name, vendored) {
  	      var invalidSassScript, t3, t4, t5, buffer, t6, _1_0, _1_6, _0_0, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      if (!t1.scanChar$1(40))
  	        return null;
  	      invalidSassScript = false;
  	      if (vendored) {
  	        t3 = t1._string_scanner$_position;
  	        try {
  	          _this._stylesheet0$_expression$0();
  	        } catch (exception) {
  	          if (A.unwrapException(exception) instanceof A.StringScannerException)
  	            invalidSassScript = true;
  	          else
  	            throw exception;
  	        }
  	        t1.set$state(new A._SpanScannerState(t1, t3));
  	      }
  	      _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	      t3 = new A.StringBuffer("");
  	      t4 = A._setArrayType([], type$.JSArray_Object);
  	      t5 = A._setArrayType([], type$.JSArray_nullable_FileSpan);
  	      buffer = new A.InterpolationBuffer0(t3, t4, t5);
  	      t3._contents = $name == null ? "url" : $name;
  	      t6 = A.Primitives_stringFromCharCode(40);
  	      t3._contents += t6;
  	      for (;;) {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        if (92 === _1_0) {
  	          t6 = _this.escape$0();
  	          t3._contents += t6;
  	          continue;
  	        }
  	        _1_6 = 35 === _1_0;
  	        if (_1_6 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t4.push(_0_0._0);
  	          t5.push(_0_0._1);
  	          continue;
  	        }
  	        t6 = true;
  	        if (33 !== _1_0)
  	          if (37 !== _1_0)
  	            if (38 !== _1_0)
  	              if (!_1_6)
  	                t6 = _1_0 >= 42 && _1_0 <= 126 || _1_0 >= 128;
  	        if (t6) {
  	          t6 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t6;
  	          continue;
  	        }
  	        if (_1_0 === 32 || _1_0 === 9 || _1_0 === 10 || _1_0 === 13 || _1_0 === 12) {
  	          _this.whitespaceWithoutComments$1$consumeNewlines(true);
  	          if (t1.peekChar$0() !== 41)
  	            break;
  	          continue;
  	        }
  	        if (41 === _1_0) {
  	          t2 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t2;
  	          if (vendored && invalidSassScript)
  	            _this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_2Ja, string$.Vendoru + A.S($name) + "(#{" + new A.StringExpression0(buffer.interpolation$1(_this.spanFrom$1(start)), true).asInterpolation$0().toString$0(0) + string$.x7dx29__Mo, _this.spanFrom$1(start)));
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        }
  	        break;
  	      }
  	      t1.set$state(new A._SpanScannerState(t1, t2));
  	      return null;
  	    },
  	    _stylesheet0$_tryUrlContents$2$vendored(start, vendored) {
  	      return this._stylesheet0$_tryUrlContents$3$name$vendored(start, null, vendored);
  	    },
  	    _stylesheet0$_tryUrlContents$2$name(start, $name) {
  	      return this._stylesheet0$_tryUrlContents$3$name$vendored(start, $name, false);
  	    },
  	    _stylesheet0$_tryUrlContents$1(start) {
  	      return this._stylesheet0$_tryUrlContents$3$name$vendored(start, null, false);
  	    },
  	    dynamicUrl$0() {
  	      var _0_0, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      _this.expectIdentifier$1("url");
  	      _0_0 = _this._stylesheet0$_tryUrlContents$1(start);
  	      if (_0_0 != null)
  	        return new A.StringExpression0(_0_0, false);
  	      t1 = _this.spanFrom$1(start);
  	      return new A.InterpolatedFunctionExpression0(new A.Interpolation0(A.List_List$unmodifiable(["url"], type$.Object), B.List_null, t1), _this._stylesheet0$_argumentInvocation$0(), _this.spanFrom$1(start));
  	    },
  	    almostAnyValue$1$omitComments(omitComments) {
  	      var t4, t5, t6, t7, _2_0, t8, _0_0, _0_2, start, end, _0_4, identifier, _1_0, bracket, char, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer0(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t4 = t1.string, t5 = t4.length, t6 = !omitComments, t7 = _this.get$loudComment();;)
  	        $label0$0: {
  	          _2_0 = t1.peekChar$0();
  	          if (92 === _2_0) {
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (34 === _2_0 || 39 === _2_0) {
  	            buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	            break $label0$0;
  	          }
  	          if (47 === _2_0) {
  	            $label1$1: {
  	              _0_0 = t1.peekChar$1(1);
  	              _0_2 = 42 === _0_0;
  	              if (_0_2 && t6) {
  	                start = t1._string_scanner$_position;
  	                t7.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t4, start, end);
  	                break $label1$1;
  	              }
  	              if (_0_2) {
  	                _this.loudComment$0();
  	                break $label1$1;
  	              }
  	              _0_4 = 47 === _0_0;
  	              if (_0_4 && t6) {
  	                t8 = _this.get$silentComment();
  	                start = t1._string_scanner$_position;
  	                t8.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t4, start, end);
  	                break $label1$1;
  	              }
  	              if (_0_4) {
  	                _this.silentComment$0();
  	                break $label1$1;
  	              }
  	              t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t8;
  	            }
  	            break $label0$0;
  	          }
  	          if (35 === _2_0 && t1.peekChar$1(1) === 123) {
  	            buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	            break $label0$0;
  	          }
  	          if (13 === _2_0 || 10 === _2_0 || 12 === _2_0) {
  	            if (_this.get$indented() && brackets.length === 0)
  	              break;
  	            t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (33 === _2_0 || 59 === _2_0 || 123 === _2_0 || 125 === _2_0)
  	            break;
  	          if (117 === _2_0 || 85 === _2_0) {
  	            t8 = t1._string_scanner$_position;
  	            identifier = _this.identifier$0();
  	            if (identifier !== "url" && identifier !== "url-prefix") {
  	              t3._contents += identifier;
  	              continue;
  	            }
  	            _1_0 = _this._stylesheet0$_tryUrlContents$2$name(new A._SpanScannerState(t1, t8), identifier);
  	            if (_1_0 != null)
  	              buffer.addInterpolation$1(_1_0);
  	            else {
  	              if ((t8 === 0 ? 1 / t8 < 0 : t8 < 0) || t8 > t5)
  	                A.throwExpression(A.ArgumentError$("Invalid position " + t8, null));
  	              t1._string_scanner$_position = t8;
  	              t1._lastMatch = null;
  	              t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t8;
  	            }
  	            break $label0$0;
  	          }
  	          if (40 === _2_0 || 91 === _2_0) {
  	            bracket = t1.readChar$0();
  	            t8 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t8;
  	            brackets.push(A.opposite0(bracket));
  	            break $label0$0;
  	          }
  	          if (41 === _2_0 || 93 === _2_0) {
  	            t8 = _2_0 != null;
  	            char = t8 ? _2_0 : null;
  	          } else {
  	            char = null;
  	            t8 = false;
  	          }
  	          if (t8) {
  	            if (brackets.length === 0)
  	              t1.error$1(0, 'Unexpected "' + A.Primitives_stringFromCharCode(char) + '".');
  	            bracket = brackets.pop();
  	            t1.expectChar$1(bracket);
  	            t8 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          if (_2_0 == null)
  	            break;
  	          t8 = _this.lookingAtIdentifier$0();
  	          if (t8) {
  	            t8 = _this.identifier$0();
  	            t3._contents += t8;
  	            break $label0$0;
  	          }
  	          t8 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t8;
  	        }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    almostAnyValue$0() {
  	      return this.almostAnyValue$1$omitComments(false);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(allowColon, allowEmpty, allowOpenBrace, allowSemicolon, consumeNewlines, endAfterOf, silentComments) {
  	      var t5, t6, t7, t8, t9, t10, t11, wroteNewline, _2_0, wroteNewline0, t12, _0_0, start, end, _2_12, _2_14_isSet, _2_14, t13, _2_16, _2_18_isSet, _2_20, _2_18, _2_20_isSet, _2_22, bracket, identifier, _1_0, of, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        t4 = A._setArrayType([], type$.JSArray_Object),
  	        buffer = new A.InterpolationBuffer0(t3, t4, A._setArrayType([], type$.JSArray_nullable_FileSpan)),
  	        brackets = A._setArrayType([], type$.JSArray_int);
  	      for (t5 = !consumeNewlines, t6 = !allowOpenBrace, t7 = t1.string, t8 = t7.length, t9 = !allowColon, t10 = !allowSemicolon, t11 = _this.get$loudComment(), wroteNewline = false;;)
  	        $label0$0: {
  	          _2_0 = t1.peekChar$0();
  	          wroteNewline0 = false;
  	          if (92 === _2_0) {
  	            t12 = _this.escape$1$identifierStart(true);
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (34 === _2_0 || 39 === _2_0) {
  	            buffer.addInterpolation$1(_this.interpolatedStringToken$0());
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (47 === _2_0) {
  	            $label1$1: {
  	              _0_0 = t1.peekChar$1(1);
  	              if (42 === _0_0) {
  	                start = t1._string_scanner$_position;
  	                t11.call$0();
  	                end = t1._string_scanner$_position;
  	                t3._contents += B.JSString_methods.substring$2(t7, start, end);
  	                break $label1$1;
  	              }
  	              if (47 === _0_0 && silentComments) {
  	                _this.silentComment$0();
  	                break $label1$1;
  	              }
  	              t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t12;
  	            }
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (35 === _2_0 && t1.peekChar$1(1) === 123) {
  	            buffer.addInterpolation$1(_this.interpolatedIdentifier$0());
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          _2_12 = 32 === _2_0;
  	          _2_14_isSet = !_2_12;
  	          if (_2_14_isSet) {
  	            _2_14 = 9 === _2_0;
  	            t12 = _2_14;
  	          } else {
  	            _2_14 = _null;
  	            t12 = true;
  	          }
  	          t13 = false;
  	          if (t12)
  	            if (!wroteNewline) {
  	              t12 = t1.peekChar$1(1);
  	              t12 = t12 === 32 || t12 === 9 || t12 === 10 || t12 === 13 || t12 === 12;
  	            } else
  	              t12 = t13;
  	          else
  	            t12 = t13;
  	          if (t12) {
  	            t1.readChar$0();
  	            break $label0$0;
  	          }
  	          if (!_2_12)
  	            t12 = _2_14_isSet ? _2_14 : 9 === _2_0;
  	          else
  	            t12 = true;
  	          if (t12) {
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            break $label0$0;
  	          }
  	          _2_16 = 10 === _2_0;
  	          _2_18_isSet = !_2_16;
  	          _2_20 = _null;
  	          t12 = true;
  	          if (_2_18_isSet) {
  	            _2_18 = 13 === _2_0;
  	            _2_20_isSet = !_2_18;
  	            if (_2_20_isSet) {
  	              _2_20 = 12 === _2_0;
  	              t12 = _2_20;
  	            }
  	          } else {
  	            _2_18 = _null;
  	            _2_20_isSet = false;
  	          }
  	          if (t12 && _this.get$indented() && t5 && brackets.length === 0)
  	            break;
  	          t12 = true;
  	          if (!_2_16)
  	            if (!(_2_18_isSet ? _2_18 : 13 === _2_0))
  	              t12 = _2_20_isSet ? _2_20 : 12 === _2_0;
  	          if (t12) {
  	            t12 = t1.peekChar$1(-1);
  	            if (!(t12 === 10 || t12 === 13 || t12 === 12))
  	              t3._contents += "\n";
  	            t1.readChar$0();
  	            wroteNewline = true;
  	            break $label0$0;
  	          }
  	          _2_22 = 123 === _2_0;
  	          if (_2_22 && t6)
  	            break;
  	          if (40 !== _2_0)
  	            t12 = _2_22 || 91 === _2_0;
  	          else
  	            t12 = true;
  	          if (t12) {
  	            bracket = t1.readChar$0();
  	            t12 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t12;
  	            brackets.push(A.opposite0(bracket));
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (41 === _2_0 || 125 === _2_0 || 93 === _2_0) {
  	            if (brackets.length === 0)
  	              break;
  	            bracket = brackets.pop();
  	            t1.expectChar$1(bracket);
  	            t12 = A.Primitives_stringFromCharCode(bracket);
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (59 === _2_0) {
  	            if (t10 && brackets.length === 0)
  	              break;
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (58 === _2_0) {
  	            if (t9 && brackets.length === 0)
  	              break;
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (117 === _2_0 || 85 === _2_0) {
  	            t12 = t1._string_scanner$_position;
  	            identifier = _this.identifier$0();
  	            if (identifier !== "url" && identifier !== "url-prefix") {
  	              t3._contents += identifier;
  	              wroteNewline = wroteNewline0;
  	              continue;
  	            }
  	            _1_0 = _this._stylesheet0$_tryUrlContents$2$name(new A._SpanScannerState(t1, t12), identifier);
  	            if (_1_0 != null)
  	              buffer.addInterpolation$1(_1_0);
  	            else {
  	              if ((t12 === 0 ? 1 / t12 < 0 : t12 < 0) || t12 > t8)
  	                A.throwExpression(A.ArgumentError$("Invalid position " + t12, _null));
  	              t1._string_scanner$_position = t12;
  	              t1._lastMatch = null;
  	              t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	              t3._contents += t12;
  	            }
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (111 === _2_0 || 79 === _2_0) {
  	            if (endAfterOf && brackets.length === 0) {
  	              start = t1._string_scanner$_position;
  	              new A.StylesheetParser__interpolatedDeclarationValue_closure0(_this).call$0();
  	              end = t1._string_scanner$_position;
  	              of = B.JSString_methods.substring$2(t7, start, end);
  	              if (of !== "") {
  	                t3._contents += of;
  	                break;
  	              }
  	            }
  	            t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          if (_2_0 == null)
  	            break;
  	          t12 = _this.lookingAtIdentifier$0();
  	          if (t12) {
  	            t12 = _this.identifier$0();
  	            t3._contents += t12;
  	            wroteNewline = wroteNewline0;
  	            break $label0$0;
  	          }
  	          t12 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t3._contents += t12;
  	          wroteNewline = wroteNewline0;
  	        }
  	      if (brackets.length !== 0)
  	        t1.expectChar$1(B.JSArray_methods.get$last(brackets));
  	      if (!allowEmpty && t4.length === 0 && t3._contents.length === 0)
  	        t1.error$1(0, "Expected token.");
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(allowEmpty) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, true, false, false, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(allowEmpty, allowSemicolon, consumeNewlines) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, true, allowSemicolon, consumeNewlines, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$2$consumeNewlines$endAfterOf(consumeNewlines, endAfterOf) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, true, false, consumeNewlines, endAfterOf, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$4$allowColon$allowEmpty$allowSemicolon$consumeNewlines(allowColon, allowEmpty, allowSemicolon, consumeNewlines) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(allowColon, allowEmpty, true, allowSemicolon, consumeNewlines, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$0() {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, true, false, false, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$1$allowOpenBrace(allowOpenBrace) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, allowOpenBrace, false, false, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$2$allowEmpty$allowOpenBrace(allowEmpty, allowOpenBrace) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, allowEmpty, allowOpenBrace, false, false, false, true);
  	    },
  	    _stylesheet0$_interpolatedDeclarationValue$1$silentComments(silentComments) {
  	      return this._stylesheet0$_interpolatedDeclarationValue$7$allowColon$allowEmpty$allowOpenBrace$allowSemicolon$consumeNewlines$endAfterOf$silentComments(true, false, true, false, false, false, silentComments);
  	    },
  	    interpolatedIdentifier$0() {
  	      var t3, _1_0, _0_0, _this = this,
  	        _s20_ = "Expected identifier.",
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        t2 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer0(t2, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      if (t1.scanChar$1(45)) {
  	        t3 = A.Primitives_stringFromCharCode(45);
  	        t2._contents += t3;
  	        if (t1.scanChar$1(45)) {
  	          t2._contents += t3;
  	          _this._stylesheet0$_interpolatedIdentifierBodyHelper$1(buffer);
  	          return buffer.interpolation$1(_this.spanFrom$1(start));
  	        }
  	      }
  	      $label0$0: {
  	        _1_0 = t1.peekChar$0();
  	        if (_1_0 == null)
  	          t1.error$1(0, _s20_);
  	        if (_1_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_1_0) || _1_0 >= 128) {
  	          t1 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	          t2._contents += t1;
  	          break $label0$0;
  	        }
  	        if (92 === _1_0) {
  	          t1 = _this.escape$1$identifierStart(true);
  	          t2._contents += t1;
  	          break $label0$0;
  	        }
  	        if (35 === _1_0 && t1.peekChar$1(1) === 123) {
  	          _0_0 = _this.singleInterpolation$0();
  	          buffer.add$2(0, _0_0._0, _0_0._1);
  	          break $label0$0;
  	        }
  	        t1.error$1(0, _s20_);
  	      }
  	      _this._stylesheet0$_interpolatedIdentifierBodyHelper$1(buffer);
  	      return buffer.interpolation$1(_this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_interpolatedIdentifierBodyHelper$1(buffer) {
  	      var t1, t2, t3, t4, _1_0, t5, _0_0;
  	      for (t1 = buffer._interpolation_buffer0$_contents, t2 = buffer._interpolation_buffer0$_spans, t3 = this.scanner, t4 = buffer._interpolation_buffer0$_text;;) {
  	        _1_0 = t3.peekChar$0();
  	        if (_1_0 == null)
  	          break;
  	        t5 = true;
  	        if (95 !== _1_0)
  	          if (45 !== _1_0) {
  	            if (!(_1_0 >= 97 && _1_0 <= 122))
  	              t5 = _1_0 >= 65 && _1_0 <= 90;
  	            else
  	              t5 = true;
  	            if (!t5)
  	              t5 = _1_0 >= 48 && _1_0 <= 57;
  	            else
  	              t5 = true;
  	            t5 = t5 || _1_0 >= 128;
  	          }
  	        if (t5) {
  	          t5 = A.Primitives_stringFromCharCode(t3.readChar$0());
  	          t4._contents += t5;
  	          continue;
  	        }
  	        if (92 === _1_0) {
  	          t5 = this.escape$0();
  	          t4._contents += t5;
  	          continue;
  	        }
  	        if (35 === _1_0 && t3.peekChar$1(1) === 123) {
  	          _0_0 = this.singleInterpolation$0();
  	          buffer._interpolation_buffer0$_flushText$0();
  	          t1.push(_0_0._0);
  	          t2.push(_0_0._1);
  	          continue;
  	        }
  	        break;
  	      }
  	    },
  	    singleInterpolation$0() {
  	      var contents, span, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      t1.expect$1("#{");
  	      _this.whitespace$1$consumeNewlines(true);
  	      contents = _this._stylesheet0$_expression$1$consumeNewlines(true);
  	      t1.expectChar$1(125);
  	      span = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	      if (_this.get$plainCss())
  	        _this.error$2(0, string$.Interpp, span);
  	      return new A._Record_2(contents, span);
  	    },
  	    _stylesheet0$_selectorList$0() {
  	      var t3, t4, lineBreak, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._sourceFile,
  	        previousLine = t2.getLine$1(t1._string_scanner$_position),
  	        components = A._setArrayType([_this._stylesheet0$_complexSelector$0()], type$.JSArray_InterpolatedComplexSelector);
  	      _this.whitespace$1$consumeNewlines(false);
  	      for (t3 = t1.string.length; t1.scanChar$1(44);) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (t1.peekChar$0() === 44)
  	          continue;
  	        t4 = t1._string_scanner$_position;
  	        if (t4 === t3)
  	          break;
  	        lineBreak = t2.getLine$1(t4) !== previousLine;
  	        if (lineBreak)
  	          previousLine = t2.getLine$1(t1._string_scanner$_position);
  	        components.push(_this._stylesheet0$_complexSelector$1$lineBreak(lineBreak));
  	      }
  	      return A.InterpolatedSelectorList$(components);
  	    },
  	    _stylesheet0$_complexSelector$1$lineBreak(lineBreak) {
  	      var t3, leadingCombinator, combinator, lastCompound, allowCombinator, _0_0, t4, _this = this, _null = null,
  	        _s18_ = "expected selector.",
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        componentStart = new A._SpanScannerState(t1, t2),
  	        components = A._setArrayType([], type$.JSArray_InterpolatedComplexSelectorComponent);
  	      for (t3 = type$.CssValue_Combinator_2, leadingCombinator = _null, combinator = leadingCombinator, lastCompound = combinator;;) {
  	        _this.whitespace$1$consumeNewlines(false);
  	        allowCombinator = combinator == null;
  	        _0_0 = t1.peekChar$0();
  	        if (43 === _0_0 && allowCombinator) {
  	          t4 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinator = new A.CssValue0(B.Combinator_sHB0, _this.spanFrom$1(new A._SpanScannerState(t1, t4)), t3);
  	          continue;
  	        }
  	        if (62 === _0_0 && allowCombinator) {
  	          t4 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinator = new A.CssValue0(B.Combinator_iUF0, _this.spanFrom$1(new A._SpanScannerState(t1, t4)), t3);
  	          continue;
  	        }
  	        if (126 === _0_0 && allowCombinator) {
  	          t4 = t1._string_scanner$_position;
  	          t1.readChar$0();
  	          combinator = new A.CssValue0(B.Combinator_98W0, _this.spanFrom$1(new A._SpanScannerState(t1, t4)), t3);
  	          continue;
  	        }
  	        if (_0_0 == null)
  	          break;
  	        t4 = true;
  	        if (91 !== _0_0)
  	          if (46 !== _0_0)
  	            if (35 !== _0_0)
  	              if (37 !== _0_0)
  	                if (58 !== _0_0)
  	                  if (38 !== _0_0)
  	                    if (42 !== _0_0)
  	                      if (124 !== _0_0)
  	                        t4 = _this._stylesheet0$_lookingAtInterpolatedIdentifier$0();
  	        if (t4) {
  	          if (lastCompound != null)
  	            components.push(new A.InterpolatedComplexSelectorComponent(lastCompound, combinator, _this.spanFrom$1(componentStart)));
  	          else if (!allowCombinator) {
  	            componentStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	            leadingCombinator = combinator;
  	          }
  	          lastCompound = _this._stylesheet0$_compoundSelector$0();
  	          if (t1.peekChar$0() === 38)
  	            t1.error$1(0, string$.x22x26__ma);
  	          combinator = _null;
  	          continue;
  	        }
  	        break;
  	      }
  	      t3 = combinator != null;
  	      if (t3)
  	        t4 = _this.get$plainCss();
  	      else
  	        t4 = false;
  	      if (t4)
  	        t1.error$1(0, _s18_);
  	      else if (lastCompound != null)
  	        components.push(new A.InterpolatedComplexSelectorComponent(lastCompound, combinator, _this.spanFrom$1(componentStart)));
  	      else if (t3)
  	        leadingCombinator = combinator;
  	      else
  	        t1.error$1(0, _s18_);
  	      return A.InterpolatedComplexSelector$(components, _this.spanFrom$1(new A._SpanScannerState(t1, t2)), leadingCombinator);
  	    },
  	    _stylesheet0$_complexSelector$0() {
  	      return this._stylesheet0$_complexSelector$1$lineBreak(false);
  	    },
  	    _stylesheet0$_compoundSelector$0() {
  	      var t1, _this = this,
  	        components = A._setArrayType([_this._stylesheet0$_simpleSelector$0()], type$.JSArray_InterpolatedSimpleSelector);
  	      for (t1 = _this.scanner; _this._stylesheet0$_isSimpleSelectorStart$1(t1.peekChar$0());)
  	        components.push(_this._stylesheet0$_simpleSelector$1$allowParent(_this.get$plainCss()));
  	      return A.InterpolatedCompoundSelector$(components);
  	    },
  	    _stylesheet0$_simpleSelector$1$allowParent(allowParent) {
  	      var $name, t2, t3, t4, t5, text, suffix, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        _0_0 = t1.peekChar$0();
  	      if (91 === _0_0)
  	        return _this._stylesheet0$_attributeSelector$0();
  	      if (46 === _0_0) {
  	        t1.expectChar$1(46);
  	        return new A.InterpolatedClassSelector(_this.interpolatedIdentifier$0());
  	      }
  	      if (35 === _0_0 && t1.peekChar$1(1) !== 123) {
  	        t1.expectChar$1(35);
  	        return new A.InterpolatedIDSelector(_this.interpolatedIdentifier$0());
  	      }
  	      if (37 === _0_0) {
  	        t1.expectChar$1(37);
  	        $name = _this.interpolatedIdentifier$0();
  	        if (_this.get$plainCss())
  	          _this.error$2(0, string$.Placeh, _this.spanFrom$1(start));
  	        return new A.InterpolatedPlaceholderSelector($name);
  	      }
  	      if (58 === _0_0)
  	        return _this._stylesheet0$_pseudoSelector$0();
  	      if (38 === _0_0) {
  	        t2 = t1._string_scanner$_position;
  	        t1.expectChar$1(38);
  	        if (_this._stylesheet0$_lookingAtInterpolatedIdentifierBody$0()) {
  	          t3 = t1._string_scanner$_position;
  	          t4 = new A.StringBuffer("");
  	          t5 = A._setArrayType([], type$.JSArray_Object);
  	          text = new A.InterpolationBuffer0(t4, t5, A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	          _this._stylesheet0$_interpolatedIdentifierBodyHelper$1(text);
  	          if (t5.length === 0 && t4._contents.length === 0)
  	            t1.error$1(0, "Expected identifier body.");
  	          suffix = text.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t3)));
  	        } else
  	          suffix = null;
  	        if (_this.get$plainCss() && suffix != null)
  	          t1.error$3$length$position(0, string$.Parent, t1._string_scanner$_position - t2, t2);
  	        t1 = _this.spanFrom$1(new A._SpanScannerState(t1, t2));
  	        if (!allowParent)
  	          _this.error$2(0, "Parent selectors aren't allowed here.", _this.spanFrom$1(start));
  	        return new A.InterpolatedParentSelector(suffix, t1);
  	      }
  	      return _this._stylesheet0$_typeOrUniversalSelector$0();
  	    },
  	    _stylesheet0$_simpleSelector$0() {
  	      return this._stylesheet0$_simpleSelector$1$allowParent(true);
  	    },
  	    _stylesheet0$_attributeSelector$0() {
  	      var $name, operator, next, value, modifier, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(91);
  	      _this.whitespace$1$consumeNewlines(true);
  	      $name = _this._stylesheet0$_attributeName$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (t1.scanChar$1(93))
  	        return new A.InterpolatedAttributeSelector($name, _null, _null, _null, _this.spanFrom$1(start));
  	      operator = _this._stylesheet0$_attributeOperator$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      next = t1.peekChar$0();
  	      value = next === 39 || next === 34 ? _this.interpolatedStringToken$0() : _this.interpolatedIdentifier$0();
  	      _this.whitespace$1$consumeNewlines(true);
  	      modifier = _this._stylesheet0$_lookingAtInterpolatedIdentifier$0() ? _this.interpolatedIdentifier$0() : _null;
  	      _this.whitespace$1$consumeNewlines(true);
  	      t1.expectChar$1(93);
  	      return new A.InterpolatedAttributeSelector($name, operator, value, modifier, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_attributeName$0() {
  	      var t2, t3, nameOrNamespace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.scanChar$1(42)) {
  	        t2 = _this.spanFrom$1(start);
  	        t3 = A.List_List$unmodifiable(["*"], type$.Object);
  	        t1.expectChar$1(124);
  	        return new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), new A.Interpolation0(t3, B.List_null, t2));
  	      }
  	      if (t1.scanChar$1(124)) {
  	        t1 = _this.spanFrom$2(start, start);
  	        t2 = A.List_List$unmodifiable([""], type$.Object);
  	        return new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), new A.Interpolation0(t2, B.List_null, t1));
  	      }
  	      nameOrNamespace = _this.interpolatedIdentifier$0();
  	      if (t1.peekChar$0() !== 124 || t1.peekChar$1(1) === 61)
  	        return new A.InterpolatedQualifiedName(nameOrNamespace, _this.spanFrom$1(start), null);
  	      t1.readChar$0();
  	      return new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), nameOrNamespace);
  	    },
  	    _stylesheet0$_attributeOperator$0() {
  	      var op,
  	        t1 = this.scanner,
  	        t2 = t1._string_scanner$_position;
  	      switch (t1.readChar$0()) {
  	        case 61:
  	          op = B.AttributeOperator_jFZ0;
  	          break;
  	        case 126:
  	          t1.expectChar$1(61);
  	          op = B.AttributeOperator_OrK0;
  	          break;
  	        case 124:
  	          t1.expectChar$1(61);
  	          op = B.AttributeOperator_g5B0;
  	          break;
  	        case 94:
  	          t1.expectChar$1(61);
  	          op = B.AttributeOperator_stc0;
  	          break;
  	        case 36:
  	          t1.expectChar$1(61);
  	          op = B.AttributeOperator_xJ90;
  	          break;
  	        case 42:
  	          t1.expectChar$1(61);
  	          op = B.AttributeOperator_h200;
  	          break;
  	        default:
  	          t1.error$2$position(0, 'Expected "]".', t2);
  	          op = null;
  	      }
  	      return new A.CssValue0(op, this.spanFrom$1(new A._SpanScannerState(t1, t2)), type$.CssValue_AttributeOperator);
  	    },
  	    _stylesheet0$_pseudoSelector$0() {
  	      var element, $name, unvendored, argument, selector, _this = this, _null = null,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      t1.expectChar$1(58);
  	      element = t1.scanChar$1(58);
  	      $name = _this.interpolatedIdentifier$0();
  	      if (!t1.scanChar$1(40))
  	        return new A.InterpolatedPseudoSelector($name, !element, _null, _null, _this.spanFrom$1(start));
  	      _this.whitespace$1$consumeNewlines(true);
  	      unvendored = A.NullableExtension_andThen0($name.get$asPlain(), A.utils1__unvendor$closure());
  	      argument = _null;
  	      selector = _null;
  	      if (element)
  	        if ($.selectorPseudoElements0.contains$1(0, unvendored))
  	          selector = _this._stylesheet0$_selectorList$0();
  	        else
  	          argument = _this._stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(true);
  	      else if ($.selectorPseudoClasses0.contains$1(0, unvendored))
  	        selector = _this._stylesheet0$_selectorList$0();
  	      else if (unvendored === "nth-child" || unvendored === "nth-last-child") {
  	        argument = _this._stylesheet0$_interpolatedDeclarationValue$2$consumeNewlines$endAfterOf(true, true);
  	        selector = t1.peekChar$0() !== 41 ? _this._stylesheet0$_selectorList$0() : _null;
  	      } else
  	        argument = _this._stylesheet0$_interpolatedDeclarationValue$1$allowEmpty(true);
  	      t1.expectChar$1(41);
  	      return new A.InterpolatedPseudoSelector($name, !element, argument, selector, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_typeOrUniversalSelector$0() {
  	      var t2, namespace, nameOrNamespace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (t1.scanChar$1(42)) {
  	        t2 = t1._string_scanner$_position;
  	        if (!t1.scanChar$1(124))
  	          return new A.InterpolatedUniversalSelector(null, _this.spanFrom$1(start));
  	        t2 = _this.spanFrom$2(start, new A._SpanScannerState(t1, t2));
  	        namespace = new A.Interpolation0(A.List_List$unmodifiable(["*"], type$.Object), B.List_null, t2);
  	        return t1.scanChar$1(42) ? new A.InterpolatedUniversalSelector(namespace, _this.spanFrom$1(start)) : new A.InterpolatedTypeSelector(new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), namespace));
  	      } else if (t1.scanChar$1(124)) {
  	        t2 = _this.spanFrom$2(start, start);
  	        namespace = new A.Interpolation0(A.List_List$unmodifiable([""], type$.Object), B.List_null, t2);
  	        return t1.scanChar$1(42) ? new A.InterpolatedUniversalSelector(namespace, _this.spanFrom$1(start)) : new A.InterpolatedTypeSelector(new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), namespace));
  	      }
  	      nameOrNamespace = _this.interpolatedIdentifier$0();
  	      if (!t1.scanChar$1(124))
  	        return new A.InterpolatedTypeSelector(new A.InterpolatedQualifiedName(nameOrNamespace, _this.spanFrom$1(start), null));
  	      else if (t1.scanChar$1(42))
  	        return new A.InterpolatedUniversalSelector(nameOrNamespace, _this.spanFrom$1(start));
  	      else
  	        return new A.InterpolatedTypeSelector(new A.InterpolatedQualifiedName(_this.interpolatedIdentifier$0(), _this.spanFrom$1(start), nameOrNamespace));
  	    },
  	    _stylesheet0$_isSimpleSelectorStart$1(character) {
  	      var t1;
  	      $label0$0: {
  	        t1 = true;
  	        if (42 !== character)
  	          if (91 !== character)
  	            if (46 !== character)
  	              if (35 !== character)
  	                if (37 !== character) {
  	                  t1 = 58 === character;
  	                }
  	        if (t1) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (38 === character) {
  	          t1 = this.get$plainCss();
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_mediaQueryList$0() {
  	      var t4, _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        t3 = new A.StringBuffer(""),
  	        buffer = new A.InterpolationBuffer0(t3, A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	      for (;;) {
  	        _this.whitespace$1$consumeNewlines(false);
  	        _this._stylesheet0$_mediaQuery$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!t1.scanChar$1(44))
  	          break;
  	        t4 = A.Primitives_stringFromCharCode(44);
  	        t3._contents += t4;
  	        t4 = A.Primitives_stringFromCharCode(32);
  	        t3._contents += t4;
  	      }
  	      return buffer.interpolation$1(_this.spanFrom$1(new A._SpanScannerState(t1, t2)));
  	    },
  	    _stylesheet0$_mediaQuery$1(buffer) {
  	      var identifier1, t1, t2, identifier2, _this = this, _s3_ = "and";
  	      if (_this.scanner.peekChar$0() === 40) {
  	        _this._stylesheet0$_mediaInParens$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          buffer._interpolation_buffer0$_text._contents += " and ";
  	          _this.expectWhitespace$0();
  	          _this._stylesheet0$_mediaLogicSequence$2(buffer, _s3_);
  	        } else if (_this.scanIdentifier$1("or")) {
  	          buffer._interpolation_buffer0$_text._contents += " or ";
  	          _this.expectWhitespace$0();
  	          _this._stylesheet0$_mediaLogicSequence$2(buffer, "or");
  	        }
  	        return;
  	      }
  	      identifier1 = _this.interpolatedIdentifier$0();
  	      if (A.equalsIgnoreCase0(identifier1.get$asPlain(), "not")) {
  	        _this.expectWhitespace$0();
  	        if (!_this._stylesheet0$_lookingAtInterpolatedIdentifier$0()) {
  	          buffer._interpolation_buffer0$_text._contents += "not ";
  	          _this._stylesheet0$_mediaOrInterp$1(buffer);
  	          return;
  	        }
  	      }
  	      _this.whitespace$1$consumeNewlines(false);
  	      buffer.addInterpolation$1(identifier1);
  	      if (!_this._stylesheet0$_lookingAtInterpolatedIdentifier$0())
  	        return;
  	      t1 = buffer._interpolation_buffer0$_text;
  	      t2 = A.Primitives_stringFromCharCode(32);
  	      t1._contents += t2;
  	      identifier2 = _this.interpolatedIdentifier$0();
  	      if (A.equalsIgnoreCase0(identifier2.get$asPlain(), _s3_)) {
  	        _this.expectWhitespace$0();
  	        t1._contents += " and ";
  	      } else {
  	        _this.whitespace$1$consumeNewlines(false);
  	        buffer.addInterpolation$1(identifier2);
  	        if (_this.scanIdentifier$1(_s3_)) {
  	          _this.expectWhitespace$0();
  	          t1._contents += " and ";
  	        } else
  	          return;
  	      }
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.expectWhitespace$0();
  	        t1._contents += "not ";
  	        _this._stylesheet0$_mediaOrInterp$1(buffer);
  	        return;
  	      }
  	      _this._stylesheet0$_mediaLogicSequence$2(buffer, _s3_);
  	      return;
  	    },
  	    _stylesheet0$_mediaLogicSequence$2(buffer, operator) {
  	      var t1, t2, t3, _this = this;
  	      for (t1 = buffer._interpolation_buffer0$_text;;) {
  	        _this._stylesheet0$_mediaOrInterp$1(buffer);
  	        _this.whitespace$1$consumeNewlines(false);
  	        if (!_this.scanIdentifier$1(operator))
  	          return;
  	        _this.expectWhitespace$1$consumeNewlines(false);
  	        t2 = A.Primitives_stringFromCharCode(32);
  	        t3 = (t1._contents += t2) + operator;
  	        t1._contents = t3;
  	        t1._contents = t3 + t2;
  	      }
  	    },
  	    _stylesheet0$_mediaOrInterp$1(buffer) {
  	      var _0_0;
  	      if (this.scanner.peekChar$0() === 35) {
  	        _0_0 = this.singleInterpolation$0();
  	        buffer.add$2(0, _0_0._0, _0_0._1);
  	      } else
  	        this._stylesheet0$_mediaInParens$1(buffer);
  	    },
  	    _stylesheet0$_mediaInParens$1(buffer) {
  	      var t2, t3, expressionBefore, expressionAfter, next, t4, t5, expressionMiddle, _this = this,
  	        t1 = _this.scanner;
  	      t1.expectChar$2$name(40, "media condition in parentheses");
  	      t2 = buffer._interpolation_buffer0$_text;
  	      t3 = A.Primitives_stringFromCharCode(40);
  	      t2._contents += t3;
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (t1.peekChar$0() === 40) {
  	        _this._stylesheet0$_mediaInParens$1(buffer);
  	        _this.whitespace$1$consumeNewlines(true);
  	        if (_this.scanIdentifier$1("and")) {
  	          t2._contents += " and ";
  	          _this.expectWhitespace$1$consumeNewlines(true);
  	          _this._stylesheet0$_mediaLogicSequence$2(buffer, "and");
  	        } else if (_this.scanIdentifier$1("or")) {
  	          t2._contents += " or ";
  	          _this.expectWhitespace$1$consumeNewlines(true);
  	          _this._stylesheet0$_mediaLogicSequence$2(buffer, "or");
  	        }
  	      } else if (_this.scanIdentifier$1("not")) {
  	        t2._contents += "not ";
  	        _this.expectWhitespace$1$consumeNewlines(true);
  	        _this._stylesheet0$_mediaOrInterp$1(buffer);
  	      } else {
  	        expressionBefore = _this._stylesheet0$_expressionUntilComparison$0();
  	        buffer.add$2(0, expressionBefore, expressionBefore.get$span(expressionBefore));
  	        if (t1.scanChar$1(58)) {
  	          _this.whitespace$1$consumeNewlines(true);
  	          t3 = A.Primitives_stringFromCharCode(58);
  	          t2._contents += t3;
  	          t3 = A.Primitives_stringFromCharCode(32);
  	          t2._contents += t3;
  	          expressionAfter = _this._stylesheet0$_expression$1$consumeNewlines(true);
  	          buffer.add$2(0, expressionAfter, expressionAfter.get$span(expressionAfter));
  	        } else {
  	          next = t1.peekChar$0();
  	          t3 = 60 !== next;
  	          if (!t3 || 62 === next || 61 === next) {
  	            t4 = A.Primitives_stringFromCharCode(32);
  	            t2._contents += t4;
  	            t5 = A.Primitives_stringFromCharCode(t1.readChar$0());
  	            t2._contents += t5;
  	            if ((!t3 || 62 === next) && t1.scanChar$1(61)) {
  	              t5 = A.Primitives_stringFromCharCode(61);
  	              t2._contents += t5;
  	            }
  	            t2._contents += t4;
  	            _this.whitespace$1$consumeNewlines(true);
  	            expressionMiddle = _this._stylesheet0$_expressionUntilComparison$0();
  	            buffer.add$2(0, expressionMiddle, expressionMiddle.get$span(expressionMiddle));
  	            if (!t3 || 62 === next) {
  	              next.toString;
  	              t3 = t1.scanChar$1(next);
  	            } else
  	              t3 = false;
  	            if (t3) {
  	              t2._contents += t4;
  	              t3 = A.Primitives_stringFromCharCode(next);
  	              t2._contents += t3;
  	              if (t1.scanChar$1(61)) {
  	                t3 = A.Primitives_stringFromCharCode(61);
  	                t2._contents += t3;
  	              }
  	              t2._contents += t4;
  	              _this.whitespace$1$consumeNewlines(true);
  	              expressionAfter = _this._stylesheet0$_expressionUntilComparison$0();
  	              buffer.add$2(0, expressionAfter, expressionAfter.get$span(expressionAfter));
  	            }
  	          }
  	        }
  	      }
  	      t1.expectChar$1(41);
  	      _this.whitespace$1$consumeNewlines(false);
  	      t1 = A.Primitives_stringFromCharCode(41);
  	      t2._contents += t1;
  	    },
  	    _stylesheet0$_expressionUntilComparison$0() {
  	      return this._stylesheet0$_expression$2$consumeNewlines$until(true, new A.StylesheetParser__expressionUntilComparison_closure0(this));
  	    },
  	    _stylesheet0$_supportsCondition$1$inParentheses(inParentheses) {
  	      var condition, operator, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	        return new A.SupportsNegation0(_this._stylesheet0$_supportsConditionInParens$0(), _this.spanFrom$1(start));
  	      }
  	      condition = _this._stylesheet0$_supportsConditionInParens$0();
  	      _this.whitespace$1$consumeNewlines(inParentheses);
  	      for (operator = null; _this.lookingAtIdentifier$0();) {
  	        if (operator != null)
  	          _this.expectIdentifier$1(operator._name);
  	        else if (_this.scanIdentifier$1("or"))
  	          operator = B.BooleanOperator_10;
  	        else {
  	          _this.expectIdentifier$1("and");
  	          operator = B.BooleanOperator_00;
  	        }
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	        condition = new A.SupportsOperation0(condition, _this._stylesheet0$_supportsConditionInParens$0(), operator, _this.spanFrom$1(start));
  	        _this.whitespace$1$consumeNewlines(inParentheses);
  	      }
  	      return condition;
  	    },
  	    _stylesheet0$_supportsCondition$0() {
  	      return this._stylesheet0$_supportsCondition$1$inParentheses(false);
  	    },
  	    _stylesheet0$_supportsConditionInParens$0() {
  	      var $name, nameStart, wasInParentheses, identifier, _1_0, operation, contents, identifier0, t2, $arguments, _0_0, _0_4_isSet, _0_4, condition, value, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      if (_this._stylesheet0$_lookingAtInterpolatedIdentifier$0()) {
  	        identifier0 = _this.interpolatedIdentifier$0();
  	        t2 = identifier0.get$asPlain();
  	        if ((t2 == null ? null : t2.toLowerCase()) === "not")
  	          _this.error$2(0, '"not" is not a valid identifier here.', identifier0.span);
  	        if (t1.scanChar$1(40)) {
  	          $arguments = _this._stylesheet0$_interpolatedDeclarationValue$3$allowEmpty$allowSemicolon$consumeNewlines(true, true, true);
  	          t1.expectChar$1(41);
  	          return new A.SupportsFunction0(identifier0, $arguments, _this.spanFrom$1(start));
  	        } else {
  	          _0_0 = identifier0.contents;
  	          _0_4_isSet = _0_0.length === 1;
  	          if (_0_4_isSet) {
  	            _0_4 = _0_0[0];
  	            t2 = _0_4 instanceof A.Expression0;
  	          } else {
  	            _0_4 = null;
  	            t2 = false;
  	          }
  	          if (t2) {
  	            t1 = _0_4_isSet ? _0_4 : _0_0[0];
  	            return new A.SupportsInterpolation0(type$.Expression_2._as(t1), _this.spanFrom$1(start));
  	          } else
  	            _this.error$2(0, "Expected @supports condition.", identifier0.span);
  	        }
  	      }
  	      t1.expectChar$1(40);
  	      _this.whitespace$1$consumeNewlines(true);
  	      if (_this.scanIdentifier$1("not")) {
  	        _this.whitespace$1$consumeNewlines(true);
  	        condition = _this._stylesheet0$_supportsConditionInParens$0();
  	        t1.expectChar$1(41);
  	        return new A.SupportsNegation0(condition, _this.spanFrom$1(start));
  	      } else if (t1.peekChar$0() === 40) {
  	        condition = _this._stylesheet0$_supportsCondition$1$inParentheses(true);
  	        t1.expectChar$1(41);
  	        return condition.withSpan$1(_this.spanFrom$1(start));
  	      }
  	      $name = null;
  	      nameStart = new A._SpanScannerState(t1, t1._string_scanner$_position);
  	      wasInParentheses = _this._stylesheet0$_inParentheses;
  	      try {
  	        $name = _this._stylesheet0$_expression$1$consumeNewlines(true);
  	        t1.expectChar$1(58);
  	      } catch (exception) {
  	        if (type$.FormatException._is(A.unwrapException(exception))) {
  	          t1.set$state(nameStart);
  	          _this._stylesheet0$_inParentheses = wasInParentheses;
  	          identifier = _this.interpolatedIdentifier$0();
  	          _1_0 = _this._stylesheet0$_trySupportsOperation$2(identifier, nameStart);
  	          operation = null;
  	          if (_1_0 != null) {
  	            operation = _1_0;
  	            t1.expectChar$1(41);
  	            t1 = operation;
  	            t2 = _this.spanFrom$1(start);
  	            return new A.SupportsOperation0(t1.left, t1.right, t1.operator, t2);
  	          }
  	          t2 = new A.InterpolationBuffer0(new A.StringBuffer(""), A._setArrayType([], type$.JSArray_Object), A._setArrayType([], type$.JSArray_nullable_FileSpan));
  	          t2.addInterpolation$1(identifier);
  	          t2.addInterpolation$1(_this._stylesheet0$_interpolatedDeclarationValue$4$allowColon$allowEmpty$allowSemicolon$consumeNewlines(false, true, true, true));
  	          contents = t2.interpolation$1(_this.spanFrom$1(nameStart));
  	          if (t1.peekChar$0() === 58)
  	            throw exception;
  	          t1.expectChar$1(41);
  	          return new A.SupportsAnything0(contents, _this.spanFrom$1(start));
  	        } else
  	          throw exception;
  	      }
  	      value = _this._stylesheet0$_supportsDeclarationValue$1($name);
  	      t1.expectChar$1(41);
  	      return new A.SupportsDeclaration0($name, value, _this.spanFrom$1(start));
  	    },
  	    _stylesheet0$_supportsDeclarationValue$1($name) {
  	      var t1 = false;
  	      if ($name instanceof A.StringExpression0)
  	        if (!$name.hasQuotes)
  	          t1 = B.JSString_methods.startsWith$1($name.text.get$initialPlain(), "--");
  	      if (t1)
  	        return new A.StringExpression0(this._stylesheet0$_interpolatedDeclarationValue$0(), false);
  	      else {
  	        this.whitespace$1$consumeNewlines(true);
  	        return this._stylesheet0$_expression$1$consumeNewlines(true);
  	      }
  	    },
  	    _stylesheet0$_trySupportsOperation$2(interpolation, start) {
  	      var expression, t2, t3, operator, operation, right, t4, _this = this, _null = null,
  	        t1 = interpolation.contents;
  	      if (t1.length !== 1)
  	        return _null;
  	      expression = B.JSArray_methods.get$first(t1);
  	      if (!(expression instanceof A.Expression0))
  	        return _null;
  	      t1 = _this.scanner;
  	      t2 = t1._string_scanner$_position;
  	      _this.whitespace$1$consumeNewlines(true);
  	      for (t3 = interpolation.span, operator = _null, operation = operator; _this.lookingAtIdentifier$0();) {
  	        if (operator != null)
  	          _this.expectIdentifier$1(operator._name);
  	        else if (_this.scanIdentifier$1("and"))
  	          operator = B.BooleanOperator_00;
  	        else {
  	          if (!_this.scanIdentifier$1("or")) {
  	            if ((t2 === 0 ? 1 / t2 < 0 : t2 < 0) || t2 > t1.string.length)
  	              A.throwExpression(A.ArgumentError$("Invalid position " + t2, _null));
  	            t1._string_scanner$_position = t2;
  	            return t1._lastMatch = null;
  	          }
  	          operator = B.BooleanOperator_10;
  	        }
  	        _this.whitespace$1$consumeNewlines(true);
  	        right = _this._stylesheet0$_supportsConditionInParens$0();
  	        t4 = operation == null ? new A.SupportsInterpolation0(expression, t3) : operation;
  	        operation = new A.SupportsOperation0(t4, right, operator, _this.spanFrom$1(start));
  	        _this.whitespace$1$consumeNewlines(true);
  	      }
  	      return operation;
  	    },
  	    _stylesheet0$_lookingAtInterpolatedIdentifier$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = false;
  	        if (_1_0 == null) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (_1_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_1_0) || _1_0 >= 128 || 92 === _1_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _1_0) {
  	          t1 = t1.peekChar$1(1) === 123;
  	          break $label0$0;
  	        }
  	        if (45 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (_0_0 == null) {
  	              t1 = t2;
  	              break $label1$1;
  	            }
  	            if (35 === _0_0) {
  	              t1 = t1.peekChar$1(2) === 123;
  	              break $label1$1;
  	            }
  	            if (_0_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_0_0) || _0_0 >= 128 || 92 === _0_0 || 45 === _0_0) {
  	              t1 = true;
  	              break $label1$1;
  	            }
  	            t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_lookingAtPotentialPropertyHack$0() {
  	      var t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (58 === _0_0 || 42 === _0_0 || 46 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = t1.peekChar$1(1) !== 123;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_lookingAtInterpolatedIdentifierBody$0() {
  	      var t2, t3,
  	        t1 = this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = false;
  	        if (_0_0 == null) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        if (!(_0_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_0_0) || _0_0 >= 128))
  	          t3 = _0_0 >= 48 && _0_0 <= 57 || _0_0 === 45;
  	        else
  	          t3 = true;
  	        if (t3 || 92 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        if (35 === _0_0) {
  	          t1 = t1.peekChar$1(1) === 123;
  	          break $label0$0;
  	        }
  	        t1 = t2;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_lookingAtExpression$0() {
  	      var t2, _0_0,
  	        t1 = this.scanner,
  	        _1_0 = t1.peekChar$0();
  	      $label0$0: {
  	        t2 = true;
  	        if (_1_0 == null) {
  	          t1 = false;
  	          break $label0$0;
  	        }
  	        if (46 === _1_0) {
  	          t1 = t1.peekChar$1(1) !== 46;
  	          break $label0$0;
  	        }
  	        if (33 === _1_0) {
  	          _0_0 = t1.peekChar$1(1);
  	          $label1$1: {
  	            if (_0_0 != null)
  	              if (105 !== _0_0)
  	                if (73 !== _0_0)
  	                  t1 = _0_0 === 32 || _0_0 === 9 || _0_0 === 10 || _0_0 === 13 || _0_0 === 12;
  	                else
  	                  t1 = t2;
  	              else
  	                t1 = t2;
  	            else
  	              t1 = t2;
  	            break $label1$1;
  	          }
  	          break $label0$0;
  	        }
  	        t1 = true;
  	        if (40 !== _1_0)
  	          if (47 !== _1_0)
  	            if (91 !== _1_0)
  	              if (39 !== _1_0)
  	                if (34 !== _1_0)
  	                  if (35 !== _1_0)
  	                    if (43 !== _1_0)
  	                      if (45 !== _1_0)
  	                        if (92 !== _1_0)
  	                          if (36 !== _1_0)
  	                            if (38 !== _1_0)
  	                              if (37 !== _1_0)
  	                                if (!(_1_0 === 95 || A.CharacterExtension_get_isAlphabetic0(_1_0) || _1_0 >= 128))
  	                                  t1 = _1_0 >= 48 && _1_0 <= 57;
  	        if (t1) {
  	          t1 = t2;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    _stylesheet0$_withChildren$1$3(child, start, create) {
  	      var result = create.call$2(this.children$1(0, child), this.spanFrom$1(start));
  	      this.whitespaceWithoutComments$1$consumeNewlines(false);
  	      return result;
  	    },
  	    _stylesheet0$_withChildren$3(child, start, create) {
  	      return this._stylesheet0$_withChildren$1$3(child, start, create, type$.dynamic);
  	    },
  	    _stylesheet0$_urlString$0() {
  	      var innerError, stackTrace, _this = this,
  	        t1 = _this.scanner,
  	        start = new A._SpanScannerState(t1, t1._string_scanner$_position),
  	        url = _this.string$0();
  	      try {
  	        t1 = A.Uri_parse(url);
  	        return t1;
  	      } catch (exception) {
  	        t1 = A.unwrapException(exception);
  	        if (type$.FormatException._is(t1)) {
  	          innerError = t1;
  	          stackTrace = A.getTraceFromException(exception);
  	          _this.error$3(0, "Invalid URL: " + J.get$message$x(innerError), _this.spanFrom$1(start), stackTrace);
  	        } else
  	          throw exception;
  	      }
  	    },
  	    _stylesheet0$_publicIdentifier$0() {
  	      var _this = this,
  	        t1 = _this.scanner,
  	        t2 = t1._string_scanner$_position,
  	        result = _this.identifier$0();
  	      _this._stylesheet0$_assertPublic$2(result, new A.StylesheetParser__publicIdentifier_closure0(_this, new A._SpanScannerState(t1, t2)));
  	      return result;
  	    },
  	    _stylesheet0$_assertPublic$2(identifier, span) {
  	      var first = identifier.charCodeAt(0);
  	      if (!(first === 45 || first === 95))
  	        return;
  	      this.error$2(0, string$.Privat, span.call$0());
  	    },
  	    _stylesheet0$_addOrInject$2(buffer, expression) {
  	      if (expression instanceof A.StringExpression0 && !expression.hasQuotes)
  	        buffer.addInterpolation$1(expression.text);
  	      else
  	        buffer.add$2(0, expression, expression.get$span(expression));
  	    },
  	    get$plainCss() {
  	      return false;
  	    }
  	  };
  	  A.StylesheetParser_parse_closure0.prototype = {
  	    call$0() {
  	      var statements,
  	        t1 = this.$this,
  	        t2 = t1.scanner,
  	        t3 = t2._string_scanner$_position;
  	      t2.scanChar$1(65279);
  	      statements = t1.statements$1(new A.StylesheetParser_parse__closure0(t1));
  	      t2.expectDone$0();
  	      return A.Stylesheet$internal0(statements, t1.spanFrom$1(new A._SpanScannerState(t2, t3)), t1.warnings, t1._stylesheet0$_globalVariables, t1.get$plainCss());
  	    },
  	    $signature: 620
  	  };
  	  A.StylesheetParser_parse__closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (t1.scanner.scan$1("@charset")) {
  	        t1.whitespace$1$consumeNewlines(false);
  	        t1.string$0();
  	        return null;
  	      }
  	      return t1._stylesheet0$_statement$1$root(true);
  	    },
  	    $signature: 621
  	  };
  	  A.StylesheetParser_parseParameterList_closure0.prototype = {
  	    call$0() {
  	      var parameters,
  	        t1 = this.$this,
  	        t2 = t1.scanner;
  	      t2.expectChar$2$name(64, "@-rule");
  	      t1.identifier$0();
  	      t1.whitespace$1$consumeNewlines(true);
  	      t1.identifier$0();
  	      parameters = t1._stylesheet0$_parameterList$0();
  	      t1.whitespace$1$consumeNewlines(true);
  	      t2.expectChar$1(123);
  	      return parameters;
  	    },
  	    $signature: 622
  	  };
  	  A.StylesheetParser__parseSingleProduction_closure0.prototype = {
  	    call$0() {
  	      var result = this.production.call$0();
  	      this.$this.scanner.expectDone$0();
  	      return result;
  	    },
  	    $signature() {
  	      return this.T._eval$1("0()");
  	    }
  	  };
  	  A.StylesheetParser_parseSignature_closure.prototype = {
  	    call$0() {
  	      var parameters, t2, t3,
  	        t1 = this.$this,
  	        $name = t1.identifier$0();
  	      if (this.requireParens || t1.scanner.peekChar$0() === 40)
  	        parameters = t1._stylesheet0$_parameterList$0();
  	      else {
  	        t2 = t1.scanner;
  	        t2 = A.FileLocation$_(t2._sourceFile, t2._string_scanner$_position);
  	        t3 = t2.offset;
  	        parameters = new A.ParameterList0(B.List_empty27, null, A._FileSpan$(t2.file, t3, t3));
  	      }
  	      t1.scanner.expectDone$0();
  	      return new A._Record_2($name, parameters);
  	    },
  	    $signature: 623
  	  };
  	  A.StylesheetParser__statement_closure0.prototype = {
  	    call$0() {
  	      return this.$this._stylesheet0$_statement$0();
  	    },
  	    $signature: 137
  	  };
  	  A.StylesheetParser_variableDeclarationWithoutNamespace_closure1.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser_variableDeclarationWithoutNamespace_closure2.prototype = {
  	    call$0() {
  	      return this.declaration.span;
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure3.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure4.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure5.prototype = {
  	    call$1($name) {
  	      return A.equalsIgnoreCase0($name, "result");
  	    },
  	    $signature: 4
  	  };
  	  A.StylesheetParser__declarationOrBuffer_closure6.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__styleRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.StyleRule$withParsedSelector(this.selector, children, this.$this.spanFrom$1(this.start));
  	    },
  	    $signature: 269
  	  };
  	  A.StylesheetParser__styleRule_closure1.prototype = {
  	    call$2(children, span) {
  	      return A.StyleRule$0(this._box_0.interpolation, children, this.$this.spanFrom$1(this.start));
  	    },
  	    $signature: 269
  	  };
  	  A.StylesheetParser__withStyleRuleChildren_closure0.prototype = {
  	    call$2(children, span) {
  	      var t2, _this = this,
  	        t1 = _this.$this;
  	      if (t1.get$indented() && children.length === 0) {
  	        t2 = _this.nodeWithSpan;
  	        t1.warnings.push(new A._Record_3_deprecation_message_span(null, string$.This_s, t2.get$span(t2)));
  	      }
  	      t1._stylesheet0$_inStyleRule = _this.wasInStyleRule;
  	      return _this.create.call$2(children, span);
  	    },
  	    $signature() {
  	      return this.T._eval$1("0(List<Statement0>,FileSpan)");
  	    }
  	  };
  	  A.StylesheetParser__propertyOrVariableDeclaration_closure0.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__tryDeclarationChildren_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.Declaration$nested0(this.name, children, span, this.value);
  	    },
  	    $signature: 625
  	  };
  	  A.StylesheetParser__atRootRule_closure1.prototype = {
  	    call$2(children, span) {
  	      return A.AtRootRule$0(children, span, this.query);
  	    },
  	    $signature: 270
  	  };
  	  A.StylesheetParser__atRootRule_closure2.prototype = {
  	    call$2(children, span) {
  	      return A.AtRootRule$0(children, span, null);
  	    },
  	    $signature: 270
  	  };
  	  A.StylesheetParser__eachRule_closure0.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      _this.$this._stylesheet0$_inControlDirective = _this.wasInControlDirective;
  	      return A.EachRule$0(_this.variables, _this.list, children, span);
  	    },
  	    $signature: 627
  	  };
  	  A.StylesheetParser__functionRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.FunctionRule$0(this.name, this.parameters, children, span, this.precedingComment);
  	    },
  	    $signature: 628
  	  };
  	  A.StylesheetParser__forRule_closure1.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (!t1.lookingAtIdentifier$0())
  	        return false;
  	      if (t1.scanIdentifier$1("to"))
  	        return this._box_0.exclusive = true;
  	      else if (t1.scanIdentifier$1("through")) {
  	        this._box_0.exclusive = false;
  	        return true;
  	      } else
  	        return false;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__forRule_closure2.prototype = {
  	    call$2(children, span) {
  	      var t1, _this = this;
  	      _this.$this._stylesheet0$_inControlDirective = _this.wasInControlDirective;
  	      t1 = _this._box_0.exclusive;
  	      t1.toString;
  	      return A.ForRule$0(_this.variable, _this.from, _this.to, children, span, t1);
  	    },
  	    $signature: 629
  	  };
  	  A.StylesheetParser__memberList_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this;
  	      if (t1.scanner.peekChar$0() === 36)
  	        this.variables.add$1(0, t1.variableName$0());
  	      else
  	        this.identifiers.add$1(0, t1.identifier$1$normalize(true));
  	    },
  	    $signature: 1
  	  };
  	  A.StylesheetParser__includeRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.ContentBlock$0(this.contentParameters_, children, span);
  	    },
  	    $signature: 630
  	  };
  	  A.StylesheetParser_mediaRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.MediaRule$0(this.query, children, span);
  	    },
  	    $signature: 631
  	  };
  	  A.StylesheetParser__mixinRule_closure0.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      _this.$this._stylesheet0$_inMixin = false;
  	      return A.MixinRule$0(_this.name, _this.parameters, children, span, _this.precedingComment);
  	    },
  	    $signature: 632
  	  };
  	  A.StylesheetParser_mozDocumentRule_closure1.prototype = {
  	    call$0() {
  	      return this.$this.whitespace$1$consumeNewlines(false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_mozDocumentRule_closure2.prototype = {
  	    call$2(children, span) {
  	      var _this = this;
  	      if (_this._box_0.needsDeprecationWarning)
  	        _this.$this.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_Gmv, string$.x40_moz_, span));
  	      return A.AtRule$0(_this.name, span, children, _this.value);
  	    },
  	    $signature: 271
  	  };
  	  A.StylesheetParser_supportsRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.SupportsRule$0(this.condition, children, span);
  	    },
  	    $signature: 634
  	  };
  	  A.StylesheetParser__whileRule_closure0.prototype = {
  	    call$2(children, span) {
  	      this.$this._stylesheet0$_inControlDirective = this.wasInControlDirective;
  	      return A.WhileRule$0(this.condition, children, span);
  	    },
  	    $signature: 635
  	  };
  	  A.StylesheetParser_unknownAtRule_closure0.prototype = {
  	    call$2(children, span) {
  	      return A.AtRule$0(this.name, span, children, this._box_0.value);
  	    },
  	    $signature: 271
  	  };
  	  A.StylesheetParser__expression_resetState0.prototype = {
  	    call$0() {
  	      var t2,
  	        t1 = this._box_0;
  	      t1.operands_ = t1.operators_ = t1.spaceExpressions_ = t1.commaExpressions_ = null;
  	      t2 = this.$this;
  	      t2.scanner.set$state(this.start);
  	      t1.allowSlash = true;
  	      t1.singleExpression_ = t2._stylesheet0$_singleExpression$0();
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_resolveOneOperation0.prototype = {
  	    call$0() {
  	      var t2, t3, t4, t5, t6, t7, _this = this,
  	        t1 = _this._box_0,
  	        operator = t1.operators_.pop(),
  	        left = t1.operands_.pop(),
  	        right = t1.singleExpression_;
  	      if (right == null) {
  	        t2 = _this.$this.scanner;
  	        t3 = operator.operator.length;
  	        t2.error$3$length$position(0, "Expected expression.", t3, t2._string_scanner$_position - t3);
  	      }
  	      if (t1.allowSlash) {
  	        t2 = _this.$this;
  	        t2 = !t2._stylesheet0$_inParentheses && operator === B.BinaryOperator_ehp0 && t2._stylesheet0$_isSlashOperand$1(left) && t2._stylesheet0$_isSlashOperand$1(right);
  	      } else
  	        t2 = false;
  	      if (t2)
  	        t1.singleExpression_ = new A.BinaryOperationExpression0(B.BinaryOperator_ehp0, left, right, true);
  	      else {
  	        t1.singleExpression_ = new A.BinaryOperationExpression0(operator, left, right, false);
  	        t2 = t1.allowSlash = false;
  	        if (B.BinaryOperator_jCK0 === operator || B.BinaryOperator_tDf0 === operator) {
  	          t3 = _this.$this;
  	          t4 = t3.scanner.string;
  	          t5 = right.get$span(right);
  	          t5 = t5.get$start(t5);
  	          t6 = right.get$span(right);
  	          t7 = operator.operator;
  	          if (B.JSString_methods.substring$2(t4, t5.offset - 1, t6.get$start(t6).offset) === t7) {
  	            t2 = left.get$span(left);
  	            t2 = t4.charCodeAt(t2.get$end(t2).offset);
  	            t2 = t2 === 32 || t2 === 9 || t2 === 10 || t2 === 13 || t2 === 12;
  	          }
  	          if (t2) {
  	            t2 = left.toString$0(0);
  	            t4 = right.toString$0(0);
  	            t5 = left.toString$0(0);
  	            t6 = right.toString$0(0);
  	            t1 = t1.singleExpression_;
  	            t3.warnings.push(new A._Record_3_deprecation_message_span(B.Deprecation_Kh7, "This operation is parsed as:\n\n    " + t2 + " " + t7 + " " + t4 + string$.x0a_but_ + t5 + " (" + t7 + t6 + ")\n\nAdd a space after " + t7 + string$.x20to_cl, t1.get$span(t1)));
  	          }
  	        }
  	      }
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_resolveOperations0.prototype = {
  	    call$0() {
  	      var t1,
  	        operators = this._box_0.operators_;
  	      if (operators == null)
  	        return;
  	      for (t1 = this.resolveOneOperation; operators.length !== 0;)
  	        t1.call$0();
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expression_addSingleExpression0.prototype = {
  	    call$1(expression) {
  	      var t2, spaceExpressions, _this = this,
  	        t1 = _this._box_0;
  	      if (t1.singleExpression_ != null) {
  	        t2 = _this.$this;
  	        if (t2._stylesheet0$_inParentheses) {
  	          t2._stylesheet0$_inParentheses = false;
  	          if (t1.allowSlash) {
  	            _this.resetState.call$0();
  	            return;
  	          }
  	        }
  	        spaceExpressions = t1.spaceExpressions_;
  	        if (spaceExpressions == null)
  	          spaceExpressions = t1.spaceExpressions_ = A._setArrayType([], type$.JSArray_Expression_2);
  	        _this.resolveOperations.call$0();
  	        t2 = t1.singleExpression_;
  	        t2.toString;
  	        spaceExpressions.push(t2);
  	        t1.allowSlash = true;
  	      }
  	      t1.singleExpression_ = expression;
  	    },
  	    $signature: 136
  	  };
  	  A.StylesheetParser__expression_addOperator0.prototype = {
  	    call$1(operator) {
  	      var t2, t3, operators, operands, t4, singleExpression, operatorEnd, _this = this,
  	        t1 = _this.$this;
  	      if (t1.get$plainCss() && operator !== B.BinaryOperator_g6F0 && operator !== B.BinaryOperator_jCK0 && operator !== B.BinaryOperator_tDf0 && operator !== B.BinaryOperator_wkM0 && operator !== B.BinaryOperator_ehp0) {
  	        t2 = t1.scanner;
  	        t3 = operator.operator.length;
  	        t2.error$3$length$position(0, "Operators aren't allowed in plain CSS.", t3, t2._string_scanner$_position - t3);
  	      }
  	      t2 = _this._box_0;
  	      t2.allowSlash = t2.allowSlash && operator === B.BinaryOperator_ehp0;
  	      operators = t2.operators_;
  	      if (operators == null)
  	        operators = t2.operators_ = A._setArrayType([], type$.JSArray_BinaryOperator_2);
  	      operands = t2.operands_;
  	      if (operands == null)
  	        operands = t2.operands_ = A._setArrayType([], type$.JSArray_Expression_2);
  	      t3 = _this.resolveOneOperation;
  	      t4 = operator.precedence;
  	      for (;;) {
  	        if (!(operators.length !== 0 && B.JSArray_methods.get$last(operators).precedence >= t4))
  	          break;
  	        t3.call$0();
  	      }
  	      singleExpression = t2.singleExpression_;
  	      if (singleExpression == null) {
  	        t3 = t1.scanner;
  	        t4 = operator.operator.length;
  	        t3.error$3$length$position(0, "Expected expression.", t4, t3._string_scanner$_position - t4);
  	      }
  	      operatorEnd = t1.scanner._string_scanner$_position;
  	      t1.whitespace$1$consumeNewlines(true);
  	      if (operator === B.BinaryOperator_bgA0 && !t1._stylesheet0$_lookingAtExpression$0()) {
  	        t1 = t1.spanFromPosition$2(operatorEnd - 1, operatorEnd);
  	        _this.addSingleExpression.call$1(new A.StringExpression0(new A.Interpolation0(A.List_List$unmodifiable(["%"], type$.Object), B.List_null, t1), false));
  	      } else {
  	        operators.push(operator);
  	        operands.push(singleExpression);
  	        t2.singleExpression_ = t1._stylesheet0$_singleExpression$0();
  	      }
  	    },
  	    $signature: 636
  	  };
  	  A.StylesheetParser__expression_resolveSpaceExpressions0.prototype = {
  	    call$0() {
  	      var t1, spaceExpressions, singleExpression, t2;
  	      this.resolveOperations.call$0();
  	      t1 = this._box_0;
  	      spaceExpressions = t1.spaceExpressions_;
  	      if (spaceExpressions == null)
  	        return;
  	      singleExpression = t1.singleExpression_;
  	      if (singleExpression == null)
  	        this.$this.scanner.error$1(0, "Expected expression.");
  	      spaceExpressions.push(singleExpression);
  	      t2 = B.JSArray_methods.get$first(spaceExpressions);
  	      t2 = t2.get$span(t2).expand$1(0, singleExpression.get$span(singleExpression));
  	      t1.singleExpression_ = new A.ListExpression0(A.List_List$unmodifiable(spaceExpressions, type$.Expression_2), B.ListSeparator_SrV0, false, t2);
  	      t1.spaceExpressions_ = null;
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_expressionUntilComma_closure0.prototype = {
  	    call$0() {
  	      return this.$this.scanner.peekChar$0() === 44;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__isHexColor_closure0.prototype = {
  	    call$1(char) {
  	      return A.CharacterExtension_get_isHex0(char);
  	    },
  	    $signature: 50
  	  };
  	  A.StylesheetParser__unicodeRange_closure1.prototype = {
  	    call$1(char) {
  	      return char != null && A.CharacterExtension_get_isHex0(char);
  	    },
  	    $signature: 31
  	  };
  	  A.StylesheetParser__unicodeRange_closure2.prototype = {
  	    call$1(char) {
  	      return char != null && A.CharacterExtension_get_isHex0(char);
  	    },
  	    $signature: 31
  	  };
  	  A.StylesheetParser_interpolatedStringToken_closure0.prototype = {
  	    call$0() {
  	      return A.consumeEscapedCharacter0(this.$this.scanner);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser_namespacedExpression_closure0.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.StylesheetParser_trySpecialFunction_closure0.prototype = {
  	    call$1(contents) {
  	      return new A.StringExpression0(contents, false);
  	    },
  	    $signature: 637
  	  };
  	  A.StylesheetParser__interpolatedDeclarationValue_closure0.prototype = {
  	    call$0() {
  	      return this.$this.scanIdentifier$2$caseSensitive("of", false);
  	    },
  	    $signature: 0
  	  };
  	  A.StylesheetParser__expressionUntilComparison_closure0.prototype = {
  	    call$0() {
  	      var t1 = this.$this.scanner,
  	        _0_0 = t1.peekChar$0();
  	      $label0$0: {
  	        if (61 === _0_0) {
  	          t1 = t1.peekChar$1(1) !== 61;
  	          break $label0$0;
  	        }
  	        if (60 === _0_0 || 62 === _0_0) {
  	          t1 = true;
  	          break $label0$0;
  	        }
  	        t1 = false;
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    $signature: 20
  	  };
  	  A.StylesheetParser__publicIdentifier_closure0.prototype = {
  	    call$0() {
  	      return this.$this.spanFrom$1(this.start);
  	    },
  	    $signature: 16
  	  };
  	  A.Stylesheet0.prototype = {
  	    Stylesheet$internal$5$globalVariables$plainCss0(children, span, parseTimeWarnings, globalVariables, plainCss) {
  	      var t1, t2, t3, t4, _i, child;
  	      for (t1 = this.children, t2 = t1.length, t3 = this._stylesheet1$_forwards, t4 = this._stylesheet1$_uses, _i = 0; _i < t2; ++_i) {
  	        child = t1[_i];
  	        if (child instanceof A.UseRule0) {
  	          t4.push(child);
  	          continue;
  	        }
  	        if (child instanceof A.ForwardRule0) {
  	          t3.push(child);
  	          continue;
  	        }
  	        if (child instanceof A.SilentComment0 || child instanceof A.LoudComment0 || child instanceof A.VariableDeclaration0)
  	          continue;
  	        break;
  	      }
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitStylesheet$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return B.JSArray_methods.join$1(this.children, " ");
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsExpression0.prototype = {
  	    get$span(_) {
  	      var t1 = this.condition;
  	      return t1.get$span(t1);
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitSupportsExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.condition.toString$0(0);
  	    }
  	  };
  	  A.ModifiableCssSupportsRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitCssSupportsRule$1(this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    equalsIgnoringChildren$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.ModifiableCssSupportsRule0) {
  	        t1 = this.condition;
  	        t2 = other.condition;
  	        t1 = t1.$ti._is(t2) && J.$eq$(t2.value, t1.value);
  	      } else
  	        t1 = false;
  	      return t1;
  	    },
  	    copyWithoutChildren$0() {
  	      return A.ModifiableCssSupportsRule$0(this.condition, this.span);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.SupportsRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitSupportsRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@supports " + this.condition.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.JSToDartImporter.prototype = {
  	    canonicalize$1(_, url) {
  	      var t1,
  	        result = A.wrapJSExceptions(new A.JSToDartImporter_canonicalize_closure(this, url));
  	      if (result == null)
  	        return null;
  	      t1 = self.URL;
  	      if (result instanceof t1)
  	        return A.Uri_parse(J.toString$0$(type$.JSUrl._as(result)));
  	      t1 = self.Promise;
  	      if (result instanceof t1)
  	        A.jsThrow(new self.Error("The canonicalize() function can't return a Promise for synchronous compile functions."));
  	      else
  	        A.jsThrow(new self.Error(string$.The_ca));
  	    },
  	    load$1(_, url) {
  	      var t1, contents, syntax, t2,
  	        result = A.wrapJSExceptions(new A.JSToDartImporter_load_closure(this, url));
  	      if (result == null)
  	        return null;
  	      t1 = self.Promise;
  	      if (result instanceof t1)
  	        A.jsThrow(new self.Error("The load() function can't return a Promise for synchronous compile functions."));
  	      type$.JSImporterResult._as(result);
  	      t1 = J.getInterceptor$x(result);
  	      contents = t1.get$contents(result);
  	      if (A._asString(new self.Function("value", "return typeof value").call$1(contents)) !== "string")
  	        A.jsThrow(new A.ArgumentError(true, contents, "contents", "must be a string but was: " + A.jsType(contents)));
  	      syntax = t1.get$syntax(result);
  	      if (contents == null || syntax == null)
  	        A.jsThrow(new self.Error(string$.The_lo));
  	      t2 = A.parseSyntax(syntax);
  	      return A.ImporterResult$(contents, A.NullableExtension_andThen0(t1.get$sourceMapUrl(result), A.utils3__jsToDartUrl$closure()), t2);
  	    },
  	    isNonCanonicalScheme$1(scheme) {
  	      return this._sync$_nonCanonicalSchemes.contains$1(0, scheme);
  	    }
  	  };
  	  A.JSToDartImporter_canonicalize_closure.prototype = {
  	    call$0() {
  	      return this.$this._sync$_canonicalize.call$2(this.url.toString$0(0), A.canonicalizeContext0());
  	    },
  	    $signature: 36
  	  };
  	  A.JSToDartImporter_load_closure.prototype = {
  	    call$0() {
  	      return this.$this._sync$_load.call$1(new self.URL(this.url.toString$0(0)));
  	    },
  	    $signature: 36
  	  };
  	  A.Syntax0.prototype = {
  	    _enumToString$0() {
  	      return "Syntax." + this._name;
  	    },
  	    toString$0(_) {
  	      return this._syntax0$_name;
  	    }
  	  };
  	  A.InterpolatedTypeSelector.prototype = {
  	    get$span(_) {
  	      return this.name.span;
  	    },
  	    accept$1$1(visitor) {
  	      return J.visitTypeSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.name.toString$0(0);
  	    }
  	  };
  	  A.TypeSelector0.prototype = {
  	    get$specificity() {
  	      return 1;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitTypeSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    addSuffix$1(suffix) {
  	      var t1 = this.name;
  	      return new A.TypeSelector0(new A.QualifiedName0(t1.name + suffix, t1.namespace), this.span);
  	    },
  	    unify$1(compound) {
  	      var unified, t1,
  	        _0_0 = A.IterableExtensions_get_firstOrNull(compound);
  	      if (_0_0 instanceof A.UniversalSelector0 || _0_0 instanceof A.TypeSelector0) {
  	        unified = A.unifyUniversalAndElement0(this, B.JSArray_methods.get$first(compound));
  	        if (unified == null)
  	          return null;
  	        t1 = A._setArrayType([unified], type$.JSArray_SimpleSelector_2);
  	        B.JSArray_methods.addAll$1(t1, A.SubListIterable$(compound, 1, null, A._arrayInstanceType(compound)._precomputed1));
  	        return t1;
  	      } else {
  	        t1 = A._setArrayType([this], type$.JSArray_SimpleSelector_2);
  	        B.JSArray_methods.addAll$1(t1, compound);
  	        return t1;
  	      }
  	    },
  	    isSuperselector$1(other) {
  	      var t1, t2, t3;
  	      if (!this.super$SimpleSelector$isSuperselector0(other)) {
  	        t1 = false;
  	        if (other instanceof A.TypeSelector0) {
  	          t2 = this.name;
  	          t3 = other.name;
  	          if (t2.name === t3.name) {
  	            t1 = t2.namespace;
  	            t1 = t1 === "*" || t1 == t3.namespace;
  	          }
  	        }
  	      } else
  	        t1 = true;
  	      return t1;
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.TypeSelector0 && other.name.$eq(0, this.name);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.name;
  	      return B.JSString_methods.get$hashCode(t1.name) ^ J.get$hashCode$(t1.namespace);
  	    }
  	  };
  	  A.Types.prototype = {};
  	  A.UnaryOperationExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitUnaryOperationExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var operand,
  	        t1 = this.operator,
  	        t2 = t1.operator;
  	      t1 = t1 === B.UnaryOperator_not_not_3_not0 ? t2 + A.Primitives_stringFromCharCode(32) : t2;
  	      operand = this.operand;
  	      $label0$0: {
  	        t2 = true;
  	        if (!(operand instanceof A.BinaryOperationExpression0))
  	          if (!(operand instanceof A.UnaryOperationExpression0))
  	            t2 = operand instanceof A.ListExpression0 && !operand.hasBrackets && operand.contents.length >= 2;
  	        break $label0$0;
  	      }
  	      if (t2)
  	        t1 += "40";
  	      t1 += operand.toString$0(0);
  	      if (t2)
  	        t1 += "41";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.UnaryOperator0.prototype = {
  	    _enumToString$0() {
  	      return "UnaryOperator." + this._name;
  	    },
  	    toString$0(_) {
  	      return this.name;
  	    }
  	  };
  	  A.UnitlessSassNumber0.prototype = {
  	    get$numeratorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$denominatorUnits(_) {
  	      return B.List_empty;
  	    },
  	    get$hasUnits() {
  	      return false;
  	    },
  	    get$hasComplexUnits() {
  	      return false;
  	    },
  	    withValue$1(value) {
  	      return new A.UnitlessSassNumber0(value, null);
  	    },
  	    withSlash$2(numerator, denominator) {
  	      return new A.UnitlessSassNumber0(this._number1$_value, new A._Record_2(numerator, denominator));
  	    },
  	    hasUnit$1(unit) {
  	      return false;
  	    },
  	    hasCompatibleUnits$1(other) {
  	      return other instanceof A.UnitlessSassNumber0;
  	    },
  	    hasPossiblyCompatibleUnits$1(other) {
  	      return other instanceof A.UnitlessSassNumber0;
  	    },
  	    compatibleWithUnit$1(unit) {
  	      return true;
  	    },
  	    coerceToMatch$3(other, $name, otherName) {
  	      return other.withValue$1(this._number1$_value);
  	    },
  	    coerceToMatch$1(other) {
  	      return this.coerceToMatch$3(other, null, null);
  	    },
  	    coerceValueToMatch$3(other, $name, otherName) {
  	      return this._number1$_value;
  	    },
  	    coerceValueToMatch$1(other) {
  	      return this.coerceValueToMatch$3(other, null, null);
  	    },
  	    convertToMatch$3(other, $name, otherName) {
  	      return other.get$hasUnits() ? this.super$SassNumber$convertToMatch(other, $name, otherName) : this;
  	    },
  	    convertValueToMatch$3(other, $name, otherName) {
  	      return other.get$hasUnits() ? this.super$SassNumber$convertValueToMatch0(other, $name, otherName) : this._number1$_value;
  	    },
  	    convertValueToMatch$1(other) {
  	      return this.convertValueToMatch$3(other, null, null);
  	    },
  	    coerce$3(newNumerators, newDenominators, $name) {
  	      return A.SassNumber_SassNumber$withUnits0(this._number1$_value, newDenominators, newNumerators);
  	    },
  	    coerce$2(newNumerators, newDenominators) {
  	      return this.coerce$3(newNumerators, newDenominators, null);
  	    },
  	    coerceValue$3(newNumerators, newDenominators, $name) {
  	      return this._number1$_value;
  	    },
  	    coerceValueToUnit$2(unit, $name) {
  	      return this._number1$_value;
  	    },
  	    coerceValueToUnit$1(unit) {
  	      return this.coerceValueToUnit$2(unit, null);
  	    },
  	    greaterThan$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber0) {
  	        t1 = this._number1$_value;
  	        t2 = other._number1$_value;
  	        return t1 > t2 && !A.fuzzyEquals0(t1, t2) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      }
  	      return this.super$SassNumber$greaterThan0(other);
  	    },
  	    greaterThanOrEquals$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber0) {
  	        t1 = this._number1$_value;
  	        t2 = other._number1$_value;
  	        return t1 > t2 || A.fuzzyEquals0(t1, t2) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      }
  	      return this.super$SassNumber$greaterThanOrEquals0(other);
  	    },
  	    lessThan$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber0) {
  	        t1 = this._number1$_value;
  	        t2 = other._number1$_value;
  	        return t1 < t2 && !A.fuzzyEquals0(t1, t2) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      }
  	      return this.super$SassNumber$lessThan0(other);
  	    },
  	    lessThanOrEquals$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber0) {
  	        t1 = this._number1$_value;
  	        t2 = other._number1$_value;
  	        return t1 < t2 || A.fuzzyEquals0(t1, t2) ? B.SassBoolean_true0 : B.SassBoolean_false0;
  	      }
  	      return this.super$SassNumber$lessThanOrEquals0(other);
  	    },
  	    modulo$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return other.withValue$1(A.moduloLikeSass0(this._number1$_value, other._number1$_value));
  	      return this.super$SassNumber$modulo0(other);
  	    },
  	    plus$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return other.withValue$1(this._number1$_value + other._number1$_value);
  	      return this.super$SassNumber$plus0(other);
  	    },
  	    minus$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return other.withValue$1(this._number1$_value - other._number1$_value);
  	      return this.super$SassNumber$minus0(other);
  	    },
  	    times$1(other) {
  	      if (other instanceof A.SassNumber0)
  	        return other.withValue$1(this._number1$_value * other._number1$_value);
  	      return this.super$SassNumber$times0(other);
  	    },
  	    dividedBy$1(other) {
  	      var t1, t2;
  	      if (other instanceof A.SassNumber0) {
  	        t1 = this._number1$_value / other._number1$_value;
  	        if (other.get$hasUnits()) {
  	          t2 = other.get$denominatorUnits(other);
  	          t2 = A.SassNumber_SassNumber$withUnits0(t1, other.get$numeratorUnits(other), t2);
  	          t1 = t2;
  	        } else
  	          t1 = new A.UnitlessSassNumber0(t1, null);
  	        return t1;
  	      }
  	      return this.super$SassNumber$dividedBy0(other);
  	    },
  	    unaryMinus$0() {
  	      return new A.UnitlessSassNumber0(-this._number1$_value, null);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.UnitlessSassNumber0 && A.fuzzyEquals0(this._number1$_value, other._number1$_value);
  	    },
  	    get$hashCode(_) {
  	      var t1 = this.hashCache;
  	      return t1 == null ? this.hashCache = A.fuzzyHashCode0(this._number1$_value) : t1;
  	    }
  	  };
  	  A.InterpolatedUniversalSelector.prototype = {
  	    accept$1$1(visitor) {
  	      return J.visitUniversalSelector$1$x(visitor._simple_selector$_inner, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1,
  	        _0_0 = this.namespace;
  	      $label0$0: {
  	        if (_0_0 != null) {
  	          t1 = _0_0.toString$0(0) + "|*";
  	          break $label0$0;
  	        }
  	        t1 = "*";
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.UniversalSelector0.prototype = {
  	    get$specificity() {
  	      return 0;
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitUniversalSelector$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    unify$1(compound) {
  	      var _0_4, t1, rest, unified, t2, _this = this, _null = null,
  	        _0_1 = compound.length,
  	        _0_4_isSet = _0_1 >= 1;
  	      if (_0_4_isSet) {
  	        _0_4 = compound[0];
  	        if (!(_0_4 instanceof A.UniversalSelector0))
  	          t1 = _0_4 instanceof A.TypeSelector0;
  	        else
  	          t1 = true;
  	        rest = t1 ? B.JSArray_methods.sublist$1(compound, 1) : _null;
  	      } else {
  	        rest = _null;
  	        _0_4 = rest;
  	        t1 = false;
  	      }
  	      if (t1) {
  	        unified = A.unifyUniversalAndElement0(_this, B.JSArray_methods.get$first(compound));
  	        if (unified == null)
  	          return _null;
  	        t1 = A._setArrayType([unified], type$.JSArray_SimpleSelector_2);
  	        B.JSArray_methods.addAll$1(t1, rest);
  	        return t1;
  	      }
  	      t1 = false;
  	      if (_0_1 === 1) {
  	        if (_0_4_isSet)
  	          t2 = _0_4;
  	        else {
  	          _0_4 = compound[0];
  	          t2 = _0_4;
  	          _0_4_isSet = true;
  	        }
  	        if (t2 instanceof A.PseudoSelector0) {
  	          t2 = _0_4_isSet ? _0_4 : compound[0];
  	          type$.PseudoSelector_2._as(t2);
  	          t1 = t2.isClass && t2.name === "host" || t2.get$isHostContext();
  	        }
  	      }
  	      if (t1)
  	        return _null;
  	      if (_0_1 <= 0)
  	        return A._setArrayType([_this], type$.JSArray_SimpleSelector_2);
  	      t1 = _this.namespace;
  	      if (t1 == null || t1 === "*")
  	        t1 = compound;
  	      else {
  	        t1 = A._setArrayType([_this], type$.JSArray_SimpleSelector_2);
  	        B.JSArray_methods.addAll$1(t1, compound);
  	      }
  	      return t1;
  	    },
  	    isSuperselector$1(other) {
  	      var t1 = this.namespace;
  	      if (t1 === "*")
  	        return true;
  	      if (other instanceof A.TypeSelector0)
  	        return t1 == other.name.namespace;
  	      if (other instanceof A.UniversalSelector0)
  	        return t1 == other.namespace;
  	      return t1 == null || this.super$SimpleSelector$isSuperselector0(other);
  	    },
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return other instanceof A.UniversalSelector0 && other.namespace == this.namespace;
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.namespace);
  	    }
  	  };
  	  A.UnprefixedMapView0.prototype = {
  	    get$keys(_) {
  	      return new A._UnprefixedKeys0(this);
  	    },
  	    $index(_, key) {
  	      return typeof key == "string" ? this._unprefixed_map_view0$_map.$index(0, this._unprefixed_map_view0$_prefix + key) : null;
  	    },
  	    containsKey$1(key) {
  	      return typeof key == "string" && this._unprefixed_map_view0$_map.containsKey$1(this._unprefixed_map_view0$_prefix + key);
  	    },
  	    remove$1(_, key) {
  	      return typeof key == "string" ? this._unprefixed_map_view0$_map.remove$1(0, this._unprefixed_map_view0$_prefix + key) : null;
  	    }
  	  };
  	  A._UnprefixedKeys0.prototype = {
  	    get$iterator(_) {
  	      var t1 = this._unprefixed_map_view0$_view._unprefixed_map_view0$_map;
  	      t1 = t1.get$keys(t1);
  	      t1 = t1.where$1(t1, new A._UnprefixedKeys_iterator_closure1(this)).map$1$1(0, new A._UnprefixedKeys_iterator_closure2(this), type$.String);
  	      return t1.get$iterator(t1);
  	    },
  	    contains$1(_, key) {
  	      return this._unprefixed_map_view0$_view.containsKey$1(key);
  	    }
  	  };
  	  A._UnprefixedKeys_iterator_closure1.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.startsWith$1(key, this.$this._unprefixed_map_view0$_view._unprefixed_map_view0$_prefix);
  	    },
  	    $signature: 4
  	  };
  	  A._UnprefixedKeys_iterator_closure2.prototype = {
  	    call$1(key) {
  	      return B.JSString_methods.substring$1(key, this.$this._unprefixed_map_view0$_view._unprefixed_map_view0$_prefix.length);
  	    },
  	    $signature: 6
  	  };
  	  A.JSUrl0.prototype = {};
  	  A.UseRule0.prototype = {
  	    UseRule$4$configuration0(url, namespace, span, configuration) {
  	      var t1, t2, _i, variable;
  	      for (t1 = this.configuration, t2 = t1.length, _i = 0; _i < t2; ++_i) {
  	        variable = t1[_i];
  	        if (variable.isGuarded)
  	          throw A.wrapException(A.ArgumentError$value(variable, "configured variable", "can't be guarded in a @use rule."));
  	      }
  	    },
  	    accept$1$1(visitor) {
  	      return visitor.visitUseRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.url,
  	        t2 = "@use " + A.StringExpression_quoteText0(t1.toString$0(0)),
  	        basename = t1.get$pathSegments().length === 0 ? "" : B.JSArray_methods.get$last(t1.get$pathSegments()),
  	        dot = B.JSString_methods.indexOf$1(basename, ".");
  	      t1 = this.namespace;
  	      if (t1 !== B.JSString_methods.substring$2(basename, 0, dot === -1 ? basename.length : dot))
  	        t1 = t2 + (" as " + (t1 == null ? "*" : t1));
  	      else
  	        t1 = t2;
  	      t2 = this.configuration;
  	      t1 = (t2.length !== 0 ? t1 + (" with (" + B.JSArray_methods.join$1(t2, ", ") + ")") : t1) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.UserDefinedCallable0.prototype = {
  	    get$name(_) {
  	      return this.declaration.name;
  	    },
  	    $isAsyncCallable0: 1,
  	    $isCallable: 1
  	  };
  	  A.resolveImportPath_closure1.prototype = {
  	    call$0() {
  	      return A._exactlyOne0(A._tryPath0($.$get$context().withoutExtension$1(this.path) + ".import" + this.extension));
  	    },
  	    $signature: 47
  	  };
  	  A.resolveImportPath_closure2.prototype = {
  	    call$0() {
  	      return A._exactlyOne0(A._tryPathWithExtensions0(this.path + ".import"));
  	    },
  	    $signature: 47
  	  };
  	  A._tryPathAsDirectory_closure0.prototype = {
  	    call$0() {
  	      return A._exactlyOne0(A._tryPathWithExtensions0(A.join(this.path, "index.import", null)));
  	    },
  	    $signature: 47
  	  };
  	  A._exactlyOne_closure0.prototype = {
  	    call$1(path) {
  	      var t1 = $.$get$context();
  	      return "  " + t1.prettyUri$1(t1.toUri$1(path));
  	    },
  	    $signature: 6
  	  };
  	  A._PropertyDescriptor0.prototype = {};
  	  A.futureToPromise_closure0.prototype = {
  	    call$2(resolve, reject) {
  	      this.future.then$1$2$onError(0, new A.futureToPromise__closure0(resolve), new A.futureToPromise__closure1(reject), type$.void);
  	    },
  	    $signature: 638
  	  };
  	  A.futureToPromise__closure0.prototype = {
  	    call$1(result) {
  	      return this.resolve.call$1(result);
  	    },
  	    $signature: 37
  	  };
  	  A.futureToPromise__closure1.prototype = {
  	    call$2(error, stackTrace) {
  	      A.attachTrace0(error, stackTrace);
  	      this.reject.call$1(error);
  	    },
  	    $signature: 51
  	  };
  	  A.objectToMap_closure.prototype = {
  	    call$2(key, value) {
  	      this.map.$indexSet(0, key, value);
  	      return value;
  	    },
  	    $signature: 126
  	  };
  	  A._RequireMain0.prototype = {};
  	  A.indent_closure0.prototype = {
  	    call$1(line) {
  	      return B.JSString_methods.$mul(" ", this.indentation) + line;
  	    },
  	    $signature: 6
  	  };
  	  A.flattenVertically_closure1.prototype = {
  	    call$1(inner) {
  	      return A.QueueList_QueueList$from(inner, this.T);
  	    },
  	    $signature() {
  	      return this.T._eval$1("QueueList<0>(Iterable<0>)");
  	    }
  	  };
  	  A.flattenVertically_closure2.prototype = {
  	    call$1(queue) {
  	      this.result.push(queue.removeFirst$0());
  	      return queue.get$length(0) === 0;
  	    },
  	    $signature() {
  	      return this.T._eval$1("bool(QueueList<0>)");
  	    }
  	  };
  	  A.longestCommonSubsequence_backtrack0.prototype = {
  	    call$2(i, j) {
  	      var selection, t1, _this = this;
  	      if (i === -1 || j === -1)
  	        return A._setArrayType([], _this.T._eval$1("JSArray<0>"));
  	      selection = _this.selections[i][j];
  	      if (selection != null) {
  	        t1 = _this.call$2(i - 1, j - 1);
  	        J.add$1$ax(t1, selection);
  	        return t1;
  	      }
  	      t1 = _this.lengths;
  	      return t1[i + 1][j] > t1[i][j + 1] ? _this.call$2(i, j - 1) : _this.call$2(i - 1, j);
  	    },
  	    $signature() {
  	      return this.T._eval$1("List<0>(int,int)");
  	    }
  	  };
  	  A.mapAddAll2_closure0.prototype = {
  	    call$2(key, inner) {
  	      var t1 = this.destination,
  	        _0_0 = t1.$index(0, key);
  	      if (_0_0 != null)
  	        _0_0.addAll$1(0, inner);
  	      else
  	        t1.$indexSet(0, key, inner);
  	    },
  	    $signature() {
  	      return this.K1._eval$1("@<0>")._bind$1(this.K2)._bind$1(this.V)._eval$1("~(1,Map<2,3>)");
  	    }
  	  };
  	  A.CssValue0.prototype = {
  	    $eq(_, other) {
  	      if (other == null)
  	        return false;
  	      return this.$ti._is(other) && J.$eq$(other.value, this.value);
  	    },
  	    get$hashCode(_) {
  	      return J.get$hashCode$(this.value);
  	    },
  	    toString$0(_) {
  	      return J.toString$0$(this.value);
  	    },
  	    $isAstNode0: 1,
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.ValueExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitValueExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.value.toString$0(0);
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.valueClass_closure.prototype = {
  	    call$0() {
  	      var t2,
  	        t1 = type$.JSClass,
  	        jsClass = t1._as(self.Object.getPrototypeOf(J.get$$prototype$x(t1._as(B.C__SassNull0.constructor))).constructor);
  	      A.JSClassExtension_setCustomInspect(jsClass, new A.valueClass__closure());
  	      t1 = type$.String;
  	      t2 = type$.Function;
  	      A.LinkedHashMap_LinkedHashMap$_literal(["asList", new A.valueClass__closure0(), "hasBrackets", new A.valueClass__closure1(), "isTruthy", new A.valueClass__closure2(), "realNull", new A.valueClass__closure3(), "separator", new A.valueClass__closure4()], t1, t2).forEach$1(0, A.JSClassExtension_get_defineGetter(jsClass));
  	      A.LinkedHashMap_LinkedHashMap$_literal(["sassIndexToListIndex", new A.valueClass__closure5(), "get", new A.valueClass__closure6(), "assertBoolean", new A.valueClass__closure7(), "assertCalculation", new A.valueClass__closure8(), "assertColor", new A.valueClass__closure9(), "assertFunction", new A.valueClass__closure10(), "assertMap", new A.valueClass__closure11(), "assertMixin", new A.valueClass__closure12(), "assertNumber", new A.valueClass__closure13(), "assertString", new A.valueClass__closure14(), "tryMap", new A.valueClass__closure15(), "equals", new A.valueClass__closure16(), "hashCode", new A.valueClass__closure17(), "toString", new A.valueClass__closure18()], t1, t2).forEach$1(0, A.JSClassExtension_get_defineMethod(jsClass));
  	      return jsClass;
  	    },
  	    $signature: 17
  	  };
  	  A.valueClass__closure.prototype = {
  	    call$1($self) {
  	      return J.toString$0$($self);
  	    },
  	    $signature: 132
  	  };
  	  A.valueClass__closure0.prototype = {
  	    call$1($self) {
  	      return new self.immutable.List($self.get$asList());
  	    },
  	    $signature: 639
  	  };
  	  A.valueClass__closure1.prototype = {
  	    call$1($self) {
  	      return $self.get$hasBrackets();
  	    },
  	    $signature: 56
  	  };
  	  A.valueClass__closure2.prototype = {
  	    call$1($self) {
  	      return $self.get$isTruthy();
  	    },
  	    $signature: 56
  	  };
  	  A.valueClass__closure3.prototype = {
  	    call$1($self) {
  	      return $self.get$realNull();
  	    },
  	    $signature: 242
  	  };
  	  A.valueClass__closure4.prototype = {
  	    call$1($self) {
  	      return $self.get$separator($self).separator;
  	    },
  	    $signature: 640
  	  };
  	  A.valueClass__closure5.prototype = {
  	    call$3($self, sassIndex, $name) {
  	      return $self.sassIndexToListIndex$2(sassIndex, $name);
  	    },
  	    call$2($self, sassIndex) {
  	      return this.call$3($self, sassIndex, null);
  	    },
  	    "call*": "call$3",
  	    $requiredArgCount: 2,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 641
  	  };
  	  A.valueClass__closure6.prototype = {
  	    call$2($self, index) {
  	      return index < 1 && index >= -1 ? $self : self.undefined;
  	    },
  	    $signature: 250
  	  };
  	  A.valueClass__closure7.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertBoolean$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 642
  	  };
  	  A.valueClass__closure8.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertCalculation$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 643
  	  };
  	  A.valueClass__closure9.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertColor$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 644
  	  };
  	  A.valueClass__closure10.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertFunction$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 645
  	  };
  	  A.valueClass__closure11.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertMap$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 646
  	  };
  	  A.valueClass__closure12.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertMixin$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 647
  	  };
  	  A.valueClass__closure13.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertNumber$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 648
  	  };
  	  A.valueClass__closure14.prototype = {
  	    call$2($self, $name) {
  	      return $self.assertString$1($name);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 649
  	  };
  	  A.valueClass__closure15.prototype = {
  	    call$1($self) {
  	      return $self.tryMap$0();
  	    },
  	    $signature: 650
  	  };
  	  A.valueClass__closure16.prototype = {
  	    call$2($self, other) {
  	      return $self.$eq(0, other);
  	    },
  	    $signature: 651
  	  };
  	  A.valueClass__closure17.prototype = {
  	    call$2($self, _) {
  	      return $self.get$hashCode($self);
  	    },
  	    call$1($self) {
  	      return this.call$2($self, null);
  	    },
  	    "call*": "call$2",
  	    $requiredArgCount: 1,
  	    $defaultValues() {
  	      return [null];
  	    },
  	    $signature: 652
  	  };
  	  A.valueClass__closure18.prototype = {
  	    call$1($self) {
  	      return $self.toString$0(0);
  	    },
  	    $signature: 228
  	  };
  	  A.Value0.prototype = {
  	    get$isTruthy() {
  	      return true;
  	    },
  	    get$separator(_) {
  	      return B.ListSeparator_undecided_null_3_undecided0;
  	    },
  	    get$hasBrackets() {
  	      return false;
  	    },
  	    get$asList() {
  	      return A._setArrayType([this], type$.JSArray_Value_2);
  	    },
  	    get$lengthAsList() {
  	      return 1;
  	    },
  	    get$isBlank() {
  	      return false;
  	    },
  	    get$isSpecialNumber() {
  	      return false;
  	    },
  	    get$isSpecialVariable() {
  	      return false;
  	    },
  	    get$realNull() {
  	      return this;
  	    },
  	    sassIndexToListIndex$2(sassIndex, $name) {
  	      var t1, index,
  	        indexValue = sassIndex.assertNumber$1($name);
  	      if (indexValue.get$hasUnits()) {
  	        t1 = indexValue.get$unitString();
  	        A.warnForDeprecation0("$" + A.S($name) + ": Passing a number with unit " + t1 + string$.x20is_de + indexValue.unitSuggestion$1($name == null ? "index" : $name) + string$.x0a_Morex3af, B.Deprecation_PHd);
  	      }
  	      index = indexValue.assertInt$1($name);
  	      if (index === 0)
  	        throw A.wrapException(A.SassScriptException$0("List index may not be 0.", $name));
  	      if (Math.abs(index) > this.get$lengthAsList())
  	        throw A.wrapException(A.SassScriptException$0("Invalid index " + sassIndex.toString$0(0) + " for a list with " + this.get$lengthAsList() + " elements.", $name));
  	      return index < 0 ? this.get$lengthAsList() + index : index - 1;
  	    },
  	    assertBoolean$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a boolean.", $name));
  	    },
  	    assertCalculation$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a calculation.", $name));
  	    },
  	    assertColor$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a color.", $name));
  	    },
  	    assertFunction$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a function reference.", $name));
  	    },
  	    assertMixin$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a mixin reference.", $name));
  	    },
  	    assertMap$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a map.", $name));
  	    },
  	    tryMap$0() {
  	      return null;
  	    },
  	    assertNumber$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a number.", $name));
  	    },
  	    assertNumber$0() {
  	      return this.assertNumber$1(null);
  	    },
  	    assertString$1($name) {
  	      return A.throwExpression(A.SassScriptException$0(this.toString$0(0) + " is not a string.", $name));
  	    },
  	    assertCommonListStyle$2$allowSlash($name, allowSlash) {
  	      var invalidSeparator, buffer, t1, _this = this,
  	        _s8_ = "Expected",
  	        _s23_ = "Expected an unbracketed";
  	      if (_this.get$separator(_this) !== B.ListSeparator_z0K0)
  	        invalidSeparator = !allowSlash && _this.get$separator(_this) === B.ListSeparator_Lul0;
  	      else
  	        invalidSeparator = true;
  	      if (!invalidSeparator && !_this.get$hasBrackets())
  	        return _this.get$asList();
  	      buffer = new A.StringBuffer(_s8_);
  	      if (_this.get$hasBrackets()) {
  	        buffer._contents = _s23_;
  	        t1 = _s23_;
  	      } else
  	        t1 = _s8_;
  	      if (invalidSeparator) {
  	        t1 += _this.get$hasBrackets() ? "," : " a";
  	        buffer._contents = t1;
  	        t1 = buffer._contents = t1 + " space-";
  	        t1 = buffer._contents = (allowSlash ? buffer._contents = t1 + " or slash-" : t1) + "separated";
  	      }
  	      buffer._contents = t1 + (" list, was " + _this.toString$0(0));
  	      throw A.wrapException(A.SassScriptException$0(buffer.toString$0(0), $name));
  	    },
  	    _value$_selectorString$1($name) {
  	      var _0_0 = this._value$_selectorStringOrNull$0();
  	      if (_0_0 != null)
  	        return _0_0;
  	      throw A.wrapException(A.SassScriptException$0(this.toString$0(0) + string$.x20is_noav, $name));
  	    },
  	    _value$_selectorStringOrNull$0() {
  	      var t1, t2, result, _1_0, _i, complex, string, compound, _this = this, _null = null;
  	      if (_this instanceof A.SassString0)
  	        return _this._string0$_text;
  	      if (!(_this instanceof A.SassList0))
  	        return _null;
  	      t1 = _this._list1$_contents;
  	      t2 = t1.length;
  	      if (t2 === 0)
  	        return _null;
  	      result = A._setArrayType([], type$.JSArray_String);
  	      $label0$1: {
  	        _1_0 = _this._list1$_separator;
  	        if (B.ListSeparator_z0K0 === _1_0) {
  	          for (_i = 0; _i < t2; ++_i) {
  	            complex = t1[_i];
  	            if (complex instanceof A.SassString0) {
  	              result.push(complex._string0$_text);
  	              continue;
  	            }
  	            if (complex instanceof A.SassList0 && B.ListSeparator_SrV0 === complex._list1$_separator) {
  	              string = complex._value$_selectorStringOrNull$0();
  	              if (string == null)
  	                return _null;
  	              result.push(string);
  	              continue;
  	            }
  	            return _null;
  	          }
  	          break $label0$1;
  	        }
  	        if (B.ListSeparator_Lul0 === _1_0)
  	          return _null;
  	        for (_i = 0; _i < t2; ++_i) {
  	          compound = t1[_i];
  	          if (!(compound instanceof A.SassString0))
  	            return _null;
  	          result.push(compound._string0$_text);
  	        }
  	      }
  	      return B.JSArray_methods.join$1(result, _1_0 === B.ListSeparator_z0K0 ? ", " : " ");
  	    },
  	    withListContents$2$separator(contents, separator) {
  	      var t1 = separator == null ? this.get$separator(this) : separator,
  	        t2 = this.get$hasBrackets();
  	      return A.SassList$0(contents, t1, t2);
  	    },
  	    withListContents$1(contents) {
  	      return this.withListContents$2$separator(contents, null);
  	    },
  	    greaterThan$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " > " + other.toString$0(0) + '".', null));
  	    },
  	    greaterThanOrEquals$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " >= " + other.toString$0(0) + '".', null));
  	    },
  	    lessThan$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " < " + other.toString$0(0) + '".', null));
  	    },
  	    lessThanOrEquals$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " <= " + other.toString$0(0) + '".', null));
  	    },
  	    times$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " * " + other.toString$0(0) + '".', null));
  	    },
  	    modulo$1(other) {
  	      return A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " % " + other.toString$0(0) + '".', null));
  	    },
  	    plus$1(other) {
  	      var t1;
  	      $label0$0: {
  	        if (other instanceof A.SassString0) {
  	          t1 = new A.SassString0(A.serializeValue0(this, false, true) + other._string0$_text, other._string0$_hasQuotes);
  	          break $label0$0;
  	        }
  	        if (other instanceof A.SassCalculation0)
  	          A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " + " + other.toString$0(0) + '".', null));
  	        t1 = new A.SassString0(A.serializeValue0(this, false, true) + A.serializeValue0(other, false, true), false);
  	        break $label0$0;
  	      }
  	      return t1;
  	    },
  	    minus$1(other) {
  	      return other instanceof A.SassCalculation0 ? A.throwExpression(A.SassScriptException$0('Undefined operation "' + this.toString$0(0) + " - " + other.toString$0(0) + '".', null)) : new A.SassString0(A.serializeValue0(this, false, true) + "-" + A.serializeValue0(other, false, true), false);
  	    },
  	    dividedBy$1(other) {
  	      return new A.SassString0(A.serializeValue0(this, false, true) + "/" + A.serializeValue0(other, false, true), false);
  	    },
  	    unaryPlus$0() {
  	      return new A.SassString0("+" + A.serializeValue0(this, false, true), false);
  	    },
  	    unaryMinus$0() {
  	      return new A.SassString0("-" + A.serializeValue0(this, false, true), false);
  	    },
  	    unaryNot$0() {
  	      return B.SassBoolean_false0;
  	    },
  	    withoutSlash$0() {
  	      return this;
  	    },
  	    toCssString$1$quote(quote) {
  	      return A.serializeValue0(this, false, quote);
  	    },
  	    toCssString$0() {
  	      return this.toCssString$1$quote(true);
  	    },
  	    toString$0(_) {
  	      return A.serializeValue0(this, true, true);
  	    }
  	  };
  	  A.VariableExpression0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitVariableExpression$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return this.span.get$text();
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.VariableDeclaration0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitVariableDeclaration$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      var t1 = this.namespace;
  	      t1 = t1 != null ? t1 + "." : "";
  	      t1 += "$" + this.name + ": " + this.expression.toString$0(0) + ";";
  	      return t1.charCodeAt(0) == 0 ? t1 : t1;
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.WarnRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitWarnRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@warn " + this.expression.toString$0(0) + ";";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.WhileRule0.prototype = {
  	    accept$1$1(visitor) {
  	      return visitor.visitWhileRule$1(0, this);
  	    },
  	    accept$1(visitor) {
  	      return this.accept$1$1(visitor, type$.dynamic);
  	    },
  	    toString$0(_) {
  	      return "@while " + this.condition.toString$0(0) + " {" + B.JSArray_methods.join$1(this.children, " ") + "}";
  	    },
  	    get$span(receiver) {
  	      return this.span;
  	    }
  	  };
  	  A.XyzD50ColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, x, y, z, alpha, missingA, missingB, missingChroma, missingHue, missingLightness) {
  	      var f0, f1, f2, lightness, a, b, t1, _this = this, _null = null;
  	      if (B.LabColorSpace_2nT0 === dest || B.LchColorSpace_Bpv0 === dest) {
  	        f0 = _this._xyz_d50$_convertComponentToLabF$1((x == null ? 0 : x) / 0.9642956764295677);
  	        f1 = _this._xyz_d50$_convertComponentToLabF$1((y == null ? 0 : y) / 1);
  	        f2 = _this._xyz_d50$_convertComponentToLabF$1((z == null ? 0 : z) / 0.8251046025104602);
  	        lightness = missingLightness ? _null : 116 * f1 - 16;
  	        a = 500 * (f0 - f1);
  	        b = 200 * (f1 - f2);
  	        if (dest === B.LabColorSpace_2nT0) {
  	          t1 = missingA ? _null : a;
  	          t1 = A.SassColor$_forSpace0(B.LabColorSpace_2nT0, lightness, t1, missingB ? _null : b, alpha, _null);
  	        } else
  	          t1 = A.labToLch0(B.LchColorSpace_Bpv0, lightness, a, b, alpha, missingChroma, missingHue);
  	        return t1;
  	      }
  	      return _this.super$ColorSpace$convertLinear0(dest, x, y, z, alpha, missingA, missingB, missingChroma, missingHue, missingLightness);
  	    },
  	    convert$5(dest, x, y, z, alpha) {
  	      return this.convert$10$missingA$missingB$missingChroma$missingHue$missingLightness(dest, x, y, z, alpha, false, false, false, false, false);
  	    },
  	    _xyz_d50$_convertComponentToLabF$1(component) {
  	      return component > 0.008856451679035631 ? Math.pow(component, 0.3333333333333333) + 0 : (903.2962962962963 * component + 16) / 116;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$xyzD50ToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$xyzD50ToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$xyzD50ToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$xyzD50ToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$xyzD50ToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD65ColorSpace_WiJ0 === dest) {
  	          t1 = $.$get$xyzD50ToXyzD650();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$xyzD50ToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  A.XyzD65ColorSpace0.prototype = {
  	    get$isBoundedInternal() {
  	      return false;
  	    },
  	    toLinear$1(channel) {
  	      return channel;
  	    },
  	    fromLinear$1(channel) {
  	      return channel;
  	    },
  	    transformationMatrix$1(dest) {
  	      var t1;
  	      $label0$0: {
  	        if (B.SrgbLinearColorSpace_kUj0 === dest || B.SrgbColorSpace_thf0 === dest || B.RgbColorSpace_i0P0 === dest) {
  	          t1 = $.$get$xyzD65ToLinearSrgb0();
  	          break $label0$0;
  	        }
  	        if (B.A98RgbColorSpace_lf20 === dest) {
  	          t1 = $.$get$xyzD65ToLinearA98Rgb0();
  	          break $label0$0;
  	        }
  	        if (B.ProphotoRgbColorSpace_BDz0 === dest) {
  	          t1 = $.$get$xyzD65ToLinearProphotoRgb0();
  	          break $label0$0;
  	        }
  	        if (B.DisplayP3ColorSpace_MmT0 === dest || B.DisplayP3LinearColorSpace_PrP0 === dest) {
  	          t1 = $.$get$xyzD65ToLinearDisplayP30();
  	          break $label0$0;
  	        }
  	        if (B.Rec2020ColorSpace_6oo0 === dest) {
  	          t1 = $.$get$xyzD65ToLinearRec20200();
  	          break $label0$0;
  	        }
  	        if (B.XyzD50ColorSpace_2OB0 === dest) {
  	          t1 = $.$get$xyzD65ToXyzD500();
  	          break $label0$0;
  	        }
  	        if (B.LmsColorSpace_Os30 === dest) {
  	          t1 = $.$get$xyzD65ToLms0();
  	          break $label0$0;
  	        }
  	        t1 = this.super$ColorSpace$transformationMatrix0(dest);
  	        break $label0$0;
  	      }
  	      return t1;
  	    }
  	  };
  	  (function aliases() {
  	    var _ = J.LegacyJavaScriptObject.prototype;
  	    _.super$LegacyJavaScriptObject$toString = _.toString$0;
  	    _ = A.JsLinkedHashMap.prototype;
  	    _.super$JsLinkedHashMap$internalContainsKey = _.internalContainsKey$1;
  	    _.super$JsLinkedHashMap$internalGet = _.internalGet$1;
  	    _.super$JsLinkedHashMap$internalSet = _.internalSet$2;
  	    _.super$JsLinkedHashMap$internalRemove = _.internalRemove$1;
  	    _ = A._BufferingStreamSubscription.prototype;
  	    _.super$_BufferingStreamSubscription$_add = _._async$_add$1;
  	    _.super$_BufferingStreamSubscription$_addError = _._addError$2;
  	    _ = A.ListBase.prototype;
  	    _.super$ListBase$setRange = _.setRange$4;
  	    _ = A.Iterable.prototype;
  	    _.super$Iterable$where = _.where$1;
  	    _.super$Iterable$skipWhile = _.skipWhile$1;
  	    _ = A.ModifiableCssParentNode.prototype;
  	    _.super$ModifiableCssParentNode$addChild = _.addChild$1;
  	    _ = A.SimpleSelector.prototype;
  	    _.super$SimpleSelector$addSuffix = _.addSuffix$1;
  	    _.super$SimpleSelector$unify = _.unify$1;
  	    _.super$SimpleSelector$isSuperselector = _.isSuperselector$1;
  	    _ = A.Parser.prototype;
  	    _.super$Parser$silentComment = _.silentComment$0;
  	    _ = A.StylesheetParser.prototype;
  	    _.super$StylesheetParser$importArgument = _.importArgument$0;
  	    _.super$StylesheetParser$namespacedExpression = _.namespacedExpression$2;
  	    _ = A.Value.prototype;
  	    _.super$Value$assertMap = _.assertMap$1;
  	    _.super$Value$plus = _.plus$1;
  	    _.super$Value$minus = _.minus$1;
  	    _.super$Value$dividedBy = _.dividedBy$1;
  	    _.super$Value$toString = _.toString$0;
  	    _ = A.ColorSpace.prototype;
  	    _.super$ColorSpace$convert = _.convert$5;
  	    _.super$ColorSpace$convertLinear = _.convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness;
  	    _.super$ColorSpace$transformationMatrix = _.transformationMatrix$1;
  	    _ = A.SassNumber.prototype;
  	    _.super$SassNumber$convertValueToMatch = _.convertValueToMatch$3;
  	    _.super$SassNumber$coerce = _.coerce$3;
  	    _.super$SassNumber$coerceValue = _.coerceValue$3;
  	    _.super$SassNumber$coerceValueToUnit = _.coerceValueToUnit$2;
  	    _.super$SassNumber$coerceToMatch = _.coerceToMatch$3;
  	    _.super$SassNumber$coerceValueToMatch = _.coerceValueToMatch$3;
  	    _.super$SassNumber$greaterThan = _.greaterThan$1;
  	    _.super$SassNumber$greaterThanOrEquals = _.greaterThanOrEquals$1;
  	    _.super$SassNumber$lessThan = _.lessThan$1;
  	    _.super$SassNumber$lessThanOrEquals = _.lessThanOrEquals$1;
  	    _.super$SassNumber$modulo = _.modulo$1;
  	    _.super$SassNumber$plus = _.plus$1;
  	    _.super$SassNumber$minus = _.minus$1;
  	    _.super$SassNumber$times = _.times$1;
  	    _.super$SassNumber$dividedBy = _.dividedBy$1;
  	    _ = A.AnySelectorVisitor.prototype;
  	    _.super$AnySelectorVisitor$visitComplexSelector = _.visitComplexSelector$1;
  	    _ = A.EveryCssVisitor.prototype;
  	    _.super$EveryCssVisitor$visitCssStyleRule = _.visitCssStyleRule$1;
  	    _ = A.ReplaceExpressionVisitor.prototype;
  	    _.super$ReplaceExpressionVisitor$visitBinaryOperationExpression = _.visitBinaryOperationExpression$1;
  	    _.super$ReplaceExpressionVisitor$visitUnaryOperationExpression = _.visitUnaryOperationExpression$1;
  	    _ = A.SourceSpanMixin.prototype;
  	    _.super$SourceSpanMixin$compareTo = _.compareTo$1;
  	    _.super$SourceSpanMixin$$eq = _.$eq;
  	    _ = A.StringScanner.prototype;
  	    _.super$StringScanner$readChar = _.readChar$0;
  	    _.super$StringScanner$scanChar = _.scanChar$1;
  	    _.super$StringScanner$scan = _.scan$1;
  	    _.super$StringScanner$matches = _.matches$1;
  	    _ = A.AnySelectorVisitor0.prototype;
  	    _.super$AnySelectorVisitor$visitComplexSelector0 = _.visitComplexSelector$1;
  	    _ = A.EveryCssVisitor0.prototype;
  	    _.super$EveryCssVisitor$visitCssStyleRule0 = _.visitCssStyleRule$1;
  	    _ = A.ModifiableCssParentNode0.prototype;
  	    _.super$ModifiableCssParentNode$addChild0 = _.addChild$1;
  	    _ = A.SassNumber0.prototype;
  	    _.super$SassNumber$convertToMatch = _.convertToMatch$3;
  	    _.super$SassNumber$convertValueToMatch0 = _.convertValueToMatch$3;
  	    _.super$SassNumber$coerce0 = _.coerce$3;
  	    _.super$SassNumber$coerceValue0 = _.coerceValue$3;
  	    _.super$SassNumber$coerceValueToUnit0 = _.coerceValueToUnit$2;
  	    _.super$SassNumber$coerceToMatch0 = _.coerceToMatch$3;
  	    _.super$SassNumber$coerceValueToMatch0 = _.coerceValueToMatch$3;
  	    _.super$SassNumber$greaterThan0 = _.greaterThan$1;
  	    _.super$SassNumber$greaterThanOrEquals0 = _.greaterThanOrEquals$1;
  	    _.super$SassNumber$lessThan0 = _.lessThan$1;
  	    _.super$SassNumber$lessThanOrEquals0 = _.lessThanOrEquals$1;
  	    _.super$SassNumber$modulo0 = _.modulo$1;
  	    _.super$SassNumber$plus0 = _.plus$1;
  	    _.super$SassNumber$minus0 = _.minus$1;
  	    _.super$SassNumber$times0 = _.times$1;
  	    _.super$SassNumber$dividedBy0 = _.dividedBy$1;
  	    _ = A.Parser1.prototype;
  	    _.super$Parser$silentComment0 = _.silentComment$0;
  	    _ = A.ReplaceExpressionVisitor0.prototype;
  	    _.super$ReplaceExpressionVisitor$visitBinaryOperationExpression0 = _.visitBinaryOperationExpression$1;
  	    _.super$ReplaceExpressionVisitor$visitUnaryOperationExpression0 = _.visitUnaryOperationExpression$1;
  	    _ = A.SimpleSelector0.prototype;
  	    _.super$SimpleSelector$addSuffix0 = _.addSuffix$1;
  	    _.super$SimpleSelector$unify0 = _.unify$1;
  	    _.super$SimpleSelector$isSuperselector0 = _.isSuperselector$1;
  	    _ = A.ColorSpace0.prototype;
  	    _.super$ColorSpace$convert0 = _.convert$5;
  	    _.super$ColorSpace$convertLinear0 = _.convertLinear$10$missingA$missingB$missingChroma$missingHue$missingLightness;
  	    _.super$ColorSpace$transformationMatrix0 = _.transformationMatrix$1;
  	    _ = A.StylesheetParser0.prototype;
  	    _.super$StylesheetParser$importArgument0 = _.importArgument$0;
  	    _.super$StylesheetParser$namespacedExpression0 = _.namespacedExpression$2;
  	    _ = A.Value0.prototype;
  	    _.super$Value$assertMap0 = _.assertMap$1;
  	    _.super$Value$plus0 = _.plus$1;
  	    _.super$Value$minus0 = _.minus$1;
  	    _.super$Value$dividedBy0 = _.dividedBy$1;
  	    _.super$Value$toString0 = _.toString$0;
  	  })();
  	  (function installTearOffs() {
  	    var _static_2 = hunkHelpers._static_2,
  	      _instance_1_i = hunkHelpers._instance_1i,
  	      _instance_1_u = hunkHelpers._instance_1u,
  	      _static_1 = hunkHelpers._static_1,
  	      _static_0 = hunkHelpers._static_0,
  	      _static = hunkHelpers.installStaticTearOff,
  	      _instance = hunkHelpers.installInstanceTearOff,
  	      _instance_2_u = hunkHelpers._instance_2u,
  	      _instance_0_i = hunkHelpers._instance_0i,
  	      _instance_0_u = hunkHelpers._instance_0u;
  	    _static_2(J, "_interceptors_JSArray__compareAny$closure", "JSArray__compareAny", 272);
  	    _instance_1_i(J.JSArray.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A._CastIterableBase.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_u(A.CastMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.ConstantStringMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_i(A.ConstantStringSet.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A.GeneralConstantSet.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_u(A.JsLinkedHashMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _static_1(A, "async__AsyncRun__scheduleImmediateJsOverride$closure", "_AsyncRun__scheduleImmediateJsOverride", 138);
  	    _static_1(A, "async__AsyncRun__scheduleImmediateWithSetImmediate$closure", "_AsyncRun__scheduleImmediateWithSetImmediate", 138);
  	    _static_1(A, "async__AsyncRun__scheduleImmediateWithTimer$closure", "_AsyncRun__scheduleImmediateWithTimer", 138);
  	    _static_0(A, "async___startMicrotaskLoop$closure", "_startMicrotaskLoop", 0);
  	    _static_1(A, "async___nullDataHandler$closure", "_nullDataHandler", 71);
  	    _static_2(A, "async___nullErrorHandler$closure", "_nullErrorHandler", 70);
  	    _static_0(A, "async___nullDoneHandler$closure", "_nullDoneHandler", 0);
  	    _static(A, "async___rootHandleUncaughtError$closure", 5, null, ["call$5"], ["_rootHandleUncaughtError"], 655, 0);
  	    _static(A, "async___rootRun$closure", 4, null, ["call$1$4", "call$4"], ["_rootRun", function($self, $parent, zone, f) {
  	      return A._rootRun($self, $parent, zone, f, type$.dynamic);
  	    }], 656, 1);
  	    _static(A, "async___rootRunUnary$closure", 5, null, ["call$2$5", "call$5"], ["_rootRunUnary", function($self, $parent, zone, f, arg) {
  	      var t1 = type$.dynamic;
  	      return A._rootRunUnary($self, $parent, zone, f, arg, t1, t1);
  	    }], 657, 1);
  	    _static(A, "async___rootRunBinary$closure", 6, null, ["call$3$6", "call$6"], ["_rootRunBinary", function($self, $parent, zone, f, arg1, arg2) {
  	      var t1 = type$.dynamic;
  	      return A._rootRunBinary($self, $parent, zone, f, arg1, arg2, t1, t1, t1);
  	    }], 658, 1);
  	    _static(A, "async___rootRegisterCallback$closure", 4, null, ["call$1$4", "call$4"], ["_rootRegisterCallback", function($self, $parent, zone, f) {
  	      return A._rootRegisterCallback($self, $parent, zone, f, type$.dynamic);
  	    }], 659, 0);
  	    _static(A, "async___rootRegisterUnaryCallback$closure", 4, null, ["call$2$4", "call$4"], ["_rootRegisterUnaryCallback", function($self, $parent, zone, f) {
  	      var t1 = type$.dynamic;
  	      return A._rootRegisterUnaryCallback($self, $parent, zone, f, t1, t1);
  	    }], 660, 0);
  	    _static(A, "async___rootRegisterBinaryCallback$closure", 4, null, ["call$3$4", "call$4"], ["_rootRegisterBinaryCallback", function($self, $parent, zone, f) {
  	      var t1 = type$.dynamic;
  	      return A._rootRegisterBinaryCallback($self, $parent, zone, f, t1, t1, t1);
  	    }], 661, 0);
  	    _static(A, "async___rootErrorCallback$closure", 5, null, ["call$5"], ["_rootErrorCallback"], 662, 0);
  	    _static(A, "async___rootScheduleMicrotask$closure", 4, null, ["call$4"], ["_rootScheduleMicrotask"], 663, 0);
  	    _static(A, "async___rootCreateTimer$closure", 5, null, ["call$5"], ["_rootCreateTimer"], 664, 0);
  	    _static(A, "async___rootCreatePeriodicTimer$closure", 5, null, ["call$5"], ["_rootCreatePeriodicTimer"], 665, 0);
  	    _static(A, "async___rootPrint$closure", 4, null, ["call$4"], ["_rootPrint"], 666, 0);
  	    _static_1(A, "async___printToZone$closure", "_printToZone", 90);
  	    _static(A, "async___rootFork$closure", 5, null, ["call$5"], ["_rootFork"], 667, 0);
  	    _instance(A._AsyncCompleter.prototype, "get$complete", 0, 0, function() {
  	      return [null];
  	    }, ["call$1", "call$0"], ["complete$1", "complete$0"], 192, 0, 0);
  	    _instance_2_u(A._Future.prototype, "get$_completeError", "_completeError$2", 70);
  	    var _;
  	    _instance_1_i(_ = A._StreamController.prototype, "get$add", "add$1", 37);
  	    _instance(_, "get$addError", 0, 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["addError$2", "addError$1"], 268, 0, 0);
  	    _instance_0_i(_, "get$close", "close$0", 445);
  	    _instance_1_u(_, "get$_async$_add", "_async$_add$1", 37);
  	    _instance_2_u(_, "get$_addError", "_addError$2", 70);
  	    _instance_0_u(_, "get$_close", "_close$0", 0);
  	    _instance_0_u(_ = A._ControllerSubscription.prototype, "get$_async$_onPause", "_async$_onPause$0", 0);
  	    _instance_0_u(_, "get$_async$_onResume", "_async$_onResume$0", 0);
  	    _instance(_ = A._BufferingStreamSubscription.prototype, "get$pause", 1, 0, null, ["call$1", "call$0"], ["pause$1", "pause$0"], 584, 0, 0);
  	    _instance_0_i(_, "get$resume", "resume$0", 0);
  	    _instance_0_u(_, "get$_async$_onPause", "_async$_onPause$0", 0);
  	    _instance_0_u(_, "get$_async$_onResume", "_async$_onResume$0", 0);
  	    _instance_1_u(_ = A._StreamIterator.prototype, "get$_onData", "_onData$1", 37);
  	    _instance_2_u(_, "get$_onError", "_onError$2", 70);
  	    _instance_0_u(_, "get$_onDone", "_onDone$0", 0);
  	    _instance_0_u(_ = A._ForwardingStreamSubscription.prototype, "get$_async$_onPause", "_async$_onPause$0", 0);
  	    _instance_0_u(_, "get$_async$_onResume", "_async$_onResume$0", 0);
  	    _instance_1_u(_, "get$_handleData", "_handleData$1", 37);
  	    _instance_2_u(_, "get$_handleError", "_handleError$2", 300);
  	    _instance_0_u(_, "get$_handleDone", "_handleDone$0", 0);
  	    _static_2(A, "collection___defaultEquals$closure", "_defaultEquals", 273);
  	    _static_1(A, "collection___defaultHashCode$closure", "_defaultHashCode", 274);
  	    _static_2(A, "collection_ListBase__compareAny$closure", "ListBase__compareAny", 272);
  	    _instance_1_u(A._HashMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A._LinkedCustomHashMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance(_ = A._LinkedHashSet.prototype, "get$_newSimilarSet", 0, 0, null, ["call$1$0", "call$0"], ["_newSimilarSet$1$0", "_newSimilarSet$0"], 151, 0, 0);
  	    _instance_1_i(_, "get$contains", "contains$1", 9);
  	    _instance_1_i(_, "get$add", "add$1", 9);
  	    _instance(A._LinkedIdentityHashSet.prototype, "get$_newSimilarSet", 0, 0, null, ["call$1$0", "call$0"], ["_newSimilarSet$1$0", "_newSimilarSet$0"], 151, 0, 0);
  	    _instance_1_u(A.MapBase.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.MapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_i(A.UnmodifiableSetView.prototype, "get$contains", "contains$1", 9);
  	    _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 108);
  	    _instance_1_u(A._JsonMap.prototype, "get$containsKey", "containsKey$1", 9);
  	    _static_1(A, "core__identityHashCode$closure", "identityHashCode", 274);
  	    _static_2(A, "core__identical$closure", "identical", 273);
  	    _static_1(A, "core_Uri_decodeComponent$closure", "Uri_decodeComponent", 6);
  	    _instance_1_i(A.Iterable.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A.StringBuffer.prototype, "get$write", "write$1", 37);
  	    _static(A, "math0__max$closure", 2, null, ["call$1$2", "call$2"], ["max", function(a, b) {
  	      return A.max(a, b, type$.num);
  	    }], 670, 1);
  	    _instance_1_u(A.ArgResults.prototype, "get$wasParsed", "wasParsed$1", 4);
  	    _instance_1_u(_ = A.StreamCompleter.prototype, "get$setSourceStream", "setSourceStream$1", 37);
  	    _instance(_, "get$setError", 0, 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["setError$2", "setError$1"], 268, 0, 0);
  	    _instance_0_u(_ = A.StreamGroup.prototype, "get$_onListen", "_onListen$0", 0);
  	    _instance_0_u(_, "get$_onPause", "_onPause$0", 0);
  	    _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
  	    _instance_0_u(_, "get$_onCancel", "_onCancel$0", 226);
  	    _instance_0_i(A.ReplAdapter.prototype, "get$exit", "exit$0", 0);
  	    _instance_1_i(A.EmptyUnmodifiableSet.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A.UnionSet.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A._DelegatingIterableBase.prototype, "get$contains", "contains$1", 9);
  	    _instance_1_i(A.MapKeySet.prototype, "get$contains", "contains$1", 9);
  	    _static_1(A, "version_Version___parse_tearOff$closure", "Version___parse_tearOff", 235);
  	    _instance_1_u(A.VersionRange.prototype, "get$allows", "allows$1", 489);
  	    _instance_1_u(A._IsInvisibleVisitor0.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 21);
  	    _instance_1_u(A._IsBogusVisitor.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 21);
  	    _instance_1_u(A._IsUselessVisitor.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 21);
  	    _instance_1_u(A.SelectorList.prototype, "get$isSuperselector", "isSuperselector$1", 77);
  	    _instance_1_u(A.PseudoSelector.prototype, "get$isSuperselector", "isSuperselector$1", 14);
  	    _instance_1_u(A.SimpleSelector.prototype, "get$isSuperselector", "isSuperselector$1", 14);
  	    _instance_1_u(A.TypeSelector.prototype, "get$isSuperselector", "isSuperselector$1", 14);
  	    _instance_1_u(A.UniversalSelector.prototype, "get$isSuperselector", "isSuperselector$1", 14);
  	    _instance_1_u(A.EmptyExtensionStore.prototype, "get$addExtensions", "addExtensions$1", 210);
  	    _instance_1_u(A.ExtensionStore.prototype, "get$addExtensions", "addExtensions$1", 210);
  	    _static_1(A, "functions___isUnique$closure", "_isUnique", 14);
  	    _instance_2_u(A.NodePackageImporter.prototype, "get$_compareExpansionKeys", "_compareExpansionKeys$2", 145);
  	    _instance_0_u(A.CssParser.prototype, "get$silentComment", "silentComment$0", 20);
  	    _instance_0_u(_ = A.Parser.prototype, "get$silentComment", "silentComment$0", 20);
  	    _instance_0_u(_, "get$loudComment", "loudComment$0", 0);
  	    _instance_0_u(_, "get$string", "string$0", 29);
  	    _instance(_, "get$error", 1, 2, function() {
  	      return [null];
  	    }, ["call$3", "call$2"], ["error$3", "error$2"], 158, 0, 0);
  	    _instance(_ = A.StylesheetParser.prototype, "get$_statement", 0, 0, null, ["call$1$root", "call$0"], ["_statement$1$root", "_statement$0"], 457, 0, 0);
  	    _instance_0_u(_, "get$_declarationChild", "_declarationChild$0", 125);
  	    _instance_0_u(_, "get$_functionChild", "_functionChild$0", 125);
  	    _instance(_, "get$_expression", 0, 0, null, ["call$4$bracketList$consumeNewlines$singleEquals$until", "call$0", "call$1$consumeNewlines", "call$3$consumeNewlines$singleEquals$until", "call$1$bracketList", "call$2$consumeNewlines$until"], ["_expression$4$bracketList$consumeNewlines$singleEquals$until", "_expression$0", "_expression$1$consumeNewlines", "_expression$3$consumeNewlines$singleEquals$until", "_expression$1$bracketList", "_expression$2$consumeNewlines$until"], 473, 0, 0);
  	    _instance_0_u(_, "get$_number", "_number$0", 474);
  	    _instance(A.LazyFileSpan.prototype, "get$message", 1, 1, function() {
  	      return {color: null};
  	    }, ["call$2$color", "call$1"], ["message$2$color", "message$1"], 123, 0, 0);
  	    _instance_1_u(A.LimitedMapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.MergedMapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance(A.MultiSpan.prototype, "get$message", 1, 1, function() {
  	      return {color: null};
  	    }, ["call$2$color", "call$1"], ["message$2$color", "message$1"], 163, 0, 0);
  	    _instance_1_i(A.NoSourceMapBuffer.prototype, "get$write", "write$1", 37);
  	    _instance_1_u(A.PrefixedMapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.PublicMemberMapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_i(A.SourceMapBuffer.prototype, "get$write", "write$1", 37);
  	    _instance_1_u(A.UnprefixedMapView.prototype, "get$containsKey", "containsKey$1", 9);
  	    _static_1(A, "utils__isPublic$closure", "isPublic", 4);
  	    _static_1(A, "calculation_SassCalculation__simplify$closure", "SassCalculation__simplify", 75);
  	    _instance_1_u(A.ColorChannel.prototype, "get$isAnalogous", "isAnalogous$1", 93);
  	    _instance_1_u(A.DisplayP3ColorSpace.prototype, "get$toLinear", "toLinear$1", 12);
  	    _instance_1_u(A.SrgbColorSpace.prototype, "get$toLinear", "toLinear$1", 12);
  	    _instance_1_u(A.AnySelectorVisitor.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 21);
  	    _instance(_ = A._EvaluateVisitor0.prototype, "get$_async_evaluate$_interpolationToValue", 0, 1, null, ["call$3$trim$warnForColor", "call$1", "call$2$warnForColor"], ["_async_evaluate$_interpolationToValue$3$trim$warnForColor", "_async_evaluate$_interpolationToValue$1", "_async_evaluate$_interpolationToValue$2$warnForColor"], 337, 0, 0);
  	    _instance_1_u(_, "get$_async_evaluate$_expressionNode", "_async_evaluate$_expressionNode$1", 166);
  	    _instance(_ = A._EvaluateVisitor.prototype, "get$_interpolationToValue", 0, 1, null, ["call$3$trim$warnForColor", "call$1", "call$2$warnForColor"], ["_interpolationToValue$3$trim$warnForColor", "_interpolationToValue$1", "_interpolationToValue$2$warnForColor"], 550, 0, 0);
  	    _instance_1_u(_, "get$_expressionNode", "_expressionNode$1", 166);
  	    _instance_1_i(_ = A.RecursiveStatementVisitor.prototype, "get$visitContentBlock", "visitContentBlock$1", 694);
  	    _instance_1_u(_, "get$visitChildren", "visitChildren$1", 277);
  	    _instance_1_u(_ = A.SelectorSearchVisitor.prototype, "get$visitComplexSelector", "visitComplexSelector$1", "SelectorSearchVisitor.T?(ComplexSelector)");
  	    _instance_1_u(_, "get$visitSelectorList", "visitSelectorList$1", "SelectorSearchVisitor.T?(SelectorList)");
  	    _instance_1_u(_ = A._SerializeVisitor.prototype, "get$_visitMediaQuery", "_visitMediaQuery$1", 281);
  	    _instance_1_u(_, "get$_writeCalculationValue", "_writeCalculationValue$1", 97);
  	    _instance(_, "get$_writeChannel", 0, 1, null, ["call$2", "call$1"], ["_writeChannel$2", "_writeChannel$1"], 195, 0, 0);
  	    _instance_1_u(_, "get$visitSelectorList", "visitSelectorList$1", 283);
  	    _instance_1_u(_, "get$_requiresSemicolon", "_requiresSemicolon$1", 7);
  	    _instance_1_i(_ = A.StatementSearchVisitor.prototype, "get$visitContentBlock", "visitContentBlock$1", "StatementSearchVisitor.T?(ContentBlock)");
  	    _instance_1_u(_, "get$visitChildren", "visitChildren$1", "StatementSearchVisitor.T?(List<Statement>)");
  	    _instance(A.SourceSpanMixin.prototype, "get$message", 1, 1, function() {
  	      return {color: null};
  	    }, ["call$2$color", "call$1"], ["message$2$color", "message$1"], 123, 0, 0);
  	    _static_1(A, "frame_Frame___parseVM_tearOff$closure", "Frame___parseVM_tearOff", 94);
  	    _static_1(A, "frame_Frame___parseV8_tearOff$closure", "Frame___parseV8_tearOff", 94);
  	    _static_1(A, "frame_Frame___parseFirefox_tearOff$closure", "Frame___parseFirefox_tearOff", 94);
  	    _static_1(A, "frame_Frame___parseFriendly_tearOff$closure", "Frame___parseFriendly_tearOff", 94);
  	    _static_1(A, "trace_Trace___parseVM_tearOff$closure", "Trace___parseVM_tearOff", 231);
  	    _static_1(A, "trace_Trace___parseFriendly_tearOff$closure", "Trace___parseFriendly_tearOff", 231);
  	    _static(A, "from_handlers__TransformByHandlers__defaultHandleError$closure", 3, null, ["call$1$3", "call$3"], ["TransformByHandlers__defaultHandleError", function(error, stackTrace, sink) {
  	      return A.TransformByHandlers__defaultHandleError(error, stackTrace, sink, type$.dynamic);
  	    }], 673, 0);
  	    _static(A, "rate_limit___collect$closure", 2, null, ["call$1$2", "call$2"], ["_collect", function($event, soFar) {
  	      return A._collect($event, soFar, type$.dynamic);
  	    }], 674, 0);
  	    _instance_1_u(A.AnySelectorVisitor0.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 22);
  	    _instance(_ = A._EvaluateVisitor2.prototype, "get$_async_evaluate0$_interpolationToValue", 0, 1, null, ["call$3$trim$warnForColor", "call$1", "call$2$warnForColor"], ["_async_evaluate0$_interpolationToValue$3$trim$warnForColor", "_async_evaluate0$_interpolationToValue$1", "_async_evaluate0$_interpolationToValue$2$warnForColor"], 322, 0, 0);
  	    _instance_1_u(_, "get$_async_evaluate0$_expressionNode", "_async_evaluate0$_expressionNode$1", 206);
  	    _static_1(A, "calculation1___assertCalculationValue$closure", "_assertCalculationValue", 97);
  	    _static_1(A, "calculation1___isValidClampArg$closure", "_isValidClampArg", 9);
  	    _static_1(A, "calculation0_SassCalculation__simplify$closure", "SassCalculation__simplify0", 75);
  	    _instance_1_u(A.ColorChannel0.prototype, "get$isAnalogous", "isAnalogous$1", 67);
  	    _static(A, "compile__compile$closure", 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["compile0", function(path) {
  	      return A.compile0(path, null);
  	    }], 675, 0);
  	    _static(A, "compile__compileString$closure", 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["compileString0", function(text) {
  	      return A.compileString0(text, null);
  	    }], 676, 0);
  	    _static(A, "compile__compileAsync$closure", 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["compileAsync1", function(path) {
  	      return A.compileAsync1(path, null);
  	    }], 677, 0);
  	    _static(A, "compile__compileStringAsync$closure", 1, function() {
  	      return [null];
  	    }, ["call$2", "call$1"], ["compileStringAsync1", function(text) {
  	      return A.compileStringAsync1(text, null);
  	    }], 678, 0);
  	    _static_1(A, "compile___parseImporter$closure", "_parseImporter0", 679);
  	    _static_1(A, "compile___simplifyCalcArg$closure", "_simplifyCalcArg", 75);
  	    _static_0(A, "compiler__initCompiler$closure", "initCompiler", 680);
  	    _static_0(A, "compiler__initAsyncCompiler$closure", "initAsyncCompiler", 681);
  	    _instance_0_u(A.CssParser0.prototype, "get$silentComment", "silentComment$0", 20);
  	    _instance_1_u(A.DisplayP3ColorSpace0.prototype, "get$toLinear", "toLinear$1", 12);
  	    _instance_1_u(A.EmptyExtensionStore0.prototype, "get$addExtensions", "addExtensions$1", 236);
  	    _instance(_ = A._EvaluateVisitor1.prototype, "get$_evaluate0$_interpolationToValue", 0, 1, null, ["call$3$trim$warnForColor", "call$1", "call$2$warnForColor"], ["_evaluate0$_interpolationToValue$3$trim$warnForColor", "_evaluate0$_interpolationToValue$1", "_evaluate0$_interpolationToValue$2$warnForColor"], 455, 0, 0);
  	    _instance_1_u(_, "get$_evaluate0$_expressionNode", "_evaluate0$_expressionNode$1", 206);
  	    _instance_1_u(A.ExtensionStore0.prototype, "get$addExtensions", "addExtensions$1", 236);
  	    _static_1(A, "functions0___isUnique$closure", "_isUnique0", 15);
  	    _static_1(A, "immutable__jsToDartList$closure", "jsToDartList", 682);
  	    _instance(A.LazyFileSpan0.prototype, "get$message", 1, 1, function() {
  	      return {color: null};
  	    }, ["call$2$color", "call$1"], ["message$2$color", "message$1"], 123, 0, 0);
  	    _static_2(A, "legacy__render$closure", "render", 683);
  	    _static_1(A, "legacy__renderSync$closure", "renderSync", 684);
  	    _instance_1_u(A.LimitedMapView0.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.SelectorList0.prototype, "get$isSuperselector", "isSuperselector$1", 68);
  	    _instance_1_u(A.MergedMapView0.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance(A.MultiSpan0.prototype, "get$message", 1, 1, function() {
  	      return {color: null};
  	    }, ["call$2$color", "call$1"], ["message$2$color", "message$1"], 163, 0, 0);
  	    _instance_1_i(A.NoSourceMapBuffer0.prototype, "get$write", "write$1", 37);
  	    _instance_2_u(A.NodePackageImporter0.prototype, "get$_node_package$_compareExpansionKeys", "_node_package$_compareExpansionKeys$2", 145);
  	    _static_0(A, "parser0__loadParserExports$closure", "loadParserExports", 685);
  	    _static(A, "parser0___parse$closure", 3, null, ["call$3"], ["_parse"], 686, 0);
  	    _static_1(A, "parser0___parseIdentifier$closure", "_parseIdentifier", 687);
  	    _static_1(A, "parser0___toCssIdentifier$closure", "_toCssIdentifier", 6);
  	    _instance_0_u(_ = A.Parser1.prototype, "get$silentComment", "silentComment$0", 20);
  	    _instance_0_u(_, "get$loudComment", "loudComment$0", 0);
  	    _instance_0_u(_, "get$string", "string$0", 29);
  	    _instance(_, "get$error", 1, 2, function() {
  	      return [null];
  	    }, ["call$3", "call$2"], ["error$3", "error$2"], 158, 0, 0);
  	    _instance_1_u(A.PrefixedMapView0.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A.PseudoSelector0.prototype, "get$isSuperselector", "isSuperselector$1", 15);
  	    _instance_1_u(A.PublicMemberMapView0.prototype, "get$containsKey", "containsKey$1", 9);
  	    _instance_1_u(A._IsInvisibleVisitor2.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 22);
  	    _instance_1_u(A._IsBogusVisitor0.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 22);
  	    _instance_1_u(A._IsUselessVisitor0.prototype, "get$visitComplexSelector", "visitComplexSelector$1", 22);
  	    _instance_1_u(_ = A.SelectorSearchVisitor0.prototype, "get$visitComplexSelector", "visitComplexSelector$1", "SelectorSearchVisitor0.T?(ComplexSelector0)");
  	    _instance_1_u(_, "get$visitSelectorList", "visitSelectorList$1", "SelectorSearchVisitor0.T?(SelectorList0)");
  	    _instance_1_u(_ = A._SerializeVisitor0.prototype, "get$_serialize0$_visitMediaQuery", "_serialize0$_visitMediaQuery$1", 595);
  	    _instance_1_u(_, "get$_serialize0$_writeCalculationValue", "_serialize0$_writeCalculationValue$1", 97);
  	    _instance(_, "get$_serialize0$_writeChannel", 0, 1, null, ["call$2", "call$1"], ["_serialize0$_writeChannel$2", "_serialize0$_writeChannel$1"], 195, 0, 0);
  	    _instance_1_u(_, "get$visitSelectorList", "visitSelectorList$1", 596);
  	    _instance_1_u(_, "get$_serialize0$_requiresSemicolon", "_serialize0$_requiresSemicolon$1", 8);
  	    _instance_1_u(A.SimpleSelector0.prototype, "get$isSuperselector", "isSuperselector$1", 15);
  	    _instance_1_i(A.SourceMapBuffer0.prototype, "get$write", "write$1", 37);
  	    _instance_1_u(A.SrgbColorSpace0.prototype, "get$toLinear", "toLinear$1", 12);
  	    _instance_1_i(_ = A.StatementSearchVisitor0.prototype, "get$visitContentBlock", "visitContentBlock$1", "StatementSearchVisitor0.T?(ContentBlock0)");
  	    _instance_1_u(_, "get$visitChildren", "visitChildren$1", "StatementSearchVisitor0.T?(List<Statement0>)");
  	    _instance(_ = A.StylesheetParser0.prototype, "get$_stylesheet0$_statement", 0, 0, null, ["call$1$root", "call$0"], ["_stylesheet0$_statement$1$root", "_stylesheet0$_statement$0"], 617, 0, 0);
  	    _instance_0_u(_, "get$_stylesheet0$_declarationChild", "_stylesheet0$_declarationChild$0", 137);
  	    _instance_0_u(_, "get$_stylesheet0$_functionChild", "_stylesheet0$_functionChild$0", 137);
  	    _instance_0_u(_, "get$_stylesheet0$_number", "_stylesheet0$_number$0", 619);
  	    _instance_1_u(A.TypeSelector0.prototype, "get$isSuperselector", "isSuperselector$1", 15);
  	    _instance_1_u(A.UniversalSelector0.prototype, "get$isSuperselector", "isSuperselector$1", 15);
  	    _instance_1_u(A.UnprefixedMapView0.prototype, "get$containsKey", "containsKey$1", 9);
  	    _static_1(A, "utils3__jsToDartUrl$closure", "jsToDartUrl", 688);
  	    _static_1(A, "utils3__dartToJSUrl$closure", "dartToJSUrl", 176);
  	    _static_1(A, "utils3__mapToObject$closure", "mapToObject", 689);
  	    _static_1(A, "utils1__isPublic$closure", "isPublic0", 4);
  	    _static_1(A, "utils1__unvendor$closure", "unvendor0", 6);
  	    _static(A, "path__absolute$closure", 1, function() {
  	      return [null, null, null, null, null, null, null, null, null, null, null, null, null, null];
  	    }, ["call$15", "call$1", "call$2", "call$3", "call$4", "call$5", "call$6"], ["absolute", function(part1) {
  	      var _null = null;
  	      return A.absolute(part1, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }, function(part1, part2) {
  	      var _null = null;
  	      return A.absolute(part1, part2, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }, function(part1, part2, part3) {
  	      var _null = null;
  	      return A.absolute(part1, part2, part3, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }, function(part1, part2, part3, part4) {
  	      var _null = null;
  	      return A.absolute(part1, part2, part3, part4, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }, function(part1, part2, part3, part4, part5) {
  	      var _null = null;
  	      return A.absolute(part1, part2, part3, part4, part5, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }, function(part1, part2, part3, part4, part5, part6) {
  	      var _null = null;
  	      return A.absolute(part1, part2, part3, part4, part5, part6, _null, _null, _null, _null, _null, _null, _null, _null, _null);
  	    }], 690, 0);
  	    _static_1(A, "path__toUri$closure", "toUri", 127);
  	    _static_1(A, "path__prettyUri$closure", "prettyUri", 691);
  	    _static_2(A, "number0__fuzzyLessThan$closure", "fuzzyLessThan", 48);
  	    _static_2(A, "number0__fuzzyLessThanOrEquals$closure", "fuzzyLessThanOrEquals", 48);
  	    _static_2(A, "number0__fuzzyGreaterThan$closure", "fuzzyGreaterThan", 48);
  	    _static_2(A, "number0__fuzzyGreaterThanOrEquals$closure", "fuzzyGreaterThanOrEquals", 48);
  	    _static_2(A, "number0__moduloLikeSass$closure", "moduloLikeSass", 57);
  	    _static_1(A, "number0__sqrt$closure", "sqrt", 52);
  	    _static_1(A, "number0__sin$closure", "sin", 52);
  	    _static_1(A, "number0__cos$closure", "cos", 52);
  	    _static_1(A, "number0__tan$closure", "tan", 52);
  	    _static_1(A, "number0__atan$closure", "atan", 52);
  	    _static_1(A, "number0__asin$closure", "asin", 52);
  	    _static_1(A, "number0__acos$closure", "acos", 52);
  	    _static_1(A, "utils0__srgbAndDisplayP3FromLinear$closure", "srgbAndDisplayP3FromLinear", 12);
  	    _static_2(A, "number2__fuzzyLessThan$closure", "fuzzyLessThan0", 48);
  	    _static_2(A, "number2__fuzzyLessThanOrEquals$closure", "fuzzyLessThanOrEquals0", 48);
  	    _static_2(A, "number2__fuzzyGreaterThan$closure", "fuzzyGreaterThan0", 48);
  	    _static_2(A, "number2__fuzzyGreaterThanOrEquals$closure", "fuzzyGreaterThanOrEquals0", 48);
  	    _static_2(A, "number2__moduloLikeSass$closure", "moduloLikeSass0", 57);
  	    _static_1(A, "number2__sqrt$closure", "sqrt0", 53);
  	    _static_1(A, "number2__sin$closure", "sin0", 53);
  	    _static_1(A, "number2__cos$closure", "cos0", 53);
  	    _static_1(A, "number2__tan$closure", "tan0", 53);
  	    _static_1(A, "number2__atan$closure", "atan0", 53);
  	    _static_1(A, "number2__asin$closure", "asin0", 53);
  	    _static_1(A, "number2__acos$closure", "acos0", 53);
  	    _static_1(A, "sass__main$closure", "main1", 511);
  	    _static_1(A, "utils4__validateUrlScheme$closure", "validateUrlScheme", 90);
  	    _static_1(A, "utils2__srgbAndDisplayP3FromLinear$closure", "srgbAndDisplayP3FromLinear0", 12);
  	    _static_1(A, "value0__wrapValue$closure", "wrapValue", 464);
  	  })();
  	  (function inheritance() {
  	    var _mixin = hunkHelpers.mixin,
  	      _inherit = hunkHelpers.inherit,
  	      _inheritMany = hunkHelpers.inheritMany;
  	    _inherit(A.Object, null);
  	    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, A.SafeToStringHook, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.ListBase, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.ExpandIterator, A.TakeIterator, A.SkipIterator, A.SkipWhileIterator, A.EmptyIterator, A.FollowedByIterator, A.WhereTypeIterator, A.NonNullsIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.Symbol, A._Record, A.MapView, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.SetBase, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.LinkedHashMapValueIterator, A.LinkedHashMapEntryIterator, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A._SyncStarIterator, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._AddStreamState, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._Zone, A._ZoneDelegate, A._ZoneSpecification, A._HashMapKeyIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._MapBaseValueIterator, A._UnmodifiableMapMixin, A._ListQueueIterator, A._UnmodifiableSetMixin, A.Codec, A.Converter, A._Base64Encoder, A.ByteConversionSink, A._JsonStringifier, A.StringConversionSink, A._Utf8Encoder, A._Utf8Decoder, A.DateTime, A.Duration, A._Enum, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.MapEntry, A.Null, A._StringStackTrace, A.RuneIterator, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.Expando, A.NullRejectionException, A._JSRandom, A.ArgParser, A.ArgResults, A.Option, A.OptionType, A.Parser0, A._Usage, A.FutureGroup, A.ErrorResult, A.ValueResult, A.StreamCompleter, A.StreamGroup, A._StreamGroupState, A.StreamQueue, A._NextRequest, A.Repl, A.ReplAdapter, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._MapEntry, A.MapEquality, A._QueueList_Object_ListMixin, A._DelegatingIterableBase, A.UnmodifiableSetMixin, A.Context, A._PathDirection, A._PathRelation, A.Style, A.ParsedPath, A.PathException, A.Version, A.VersionRange, A.CssMediaQuery, A.MediaQuerySuccessfulMergeResult, A.CssNode, A.__IsInvisibleVisitor_Object_EveryCssVisitor, A.CssValue, A._FakeAstNode, A.ArgumentList, A.AtRootQuery, A.ConfiguredVariable, A.Expression, A.IfConditionExpression, A.DynamicImport, A.StaticImport, A.Interpolation, A.Parameter, A.ParameterList, A.Statement, A.IfRuleClause, A.__HasContentVisitor_Object_StatementSearchVisitor, A.SupportsAnything, A.SupportsDeclaration, A.SupportsFunction, A.SupportsInterpolation, A.SupportsNegation, A.SupportsOperation, A.Selector, A.__IsInvisibleVisitor_Object_AnySelectorVisitor, A.__IsBogusVisitor_Object_AnySelectorVisitor, A.__IsUselessVisitor_Object_AnySelectorVisitor, A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor, A.ComplexSelectorComponent, A.__ParentSelectorVisitor_Object_SelectorSearchVisitor, A.QualifiedName, A.AsyncEnvironment, A._EnvironmentModule0, A.AsyncImportCache, A.AsyncBuiltInCallable, A.BuiltInCallable, A.PlainCssCallable, A.UserDefinedCallable, A.CompileResult, A.Configuration, A.ConfiguredValue, A.Environment, A._EnvironmentModule, A.SourceSpanException, A.SassScriptException, A.ExecutableOptions, A.UsageException, A._Watcher, A.EmptyExtensionStore, A.Extension, A.Extender, A.ExtensionStore, A.ImportCache, A.AsyncImporter, A.CanonicalizeContext, A.ImporterResult, A.InterpolationBuffer, A.InterpolationMap, A.FileSystemException, A.LoggerWithDeprecationType, A._QuietLogger, A.TrackingLogger, A.BuiltInModule, A.ForwardedModuleView, A.ShadowedModuleView, A.Parser, A.StylesheetGraph, A.StylesheetNode, A.Box, A.ModifiableBox, A.LazyFileSpan, A.MultiDirWatcher, A.MultiSpan, A.NoSourceMapBuffer, A.SourceMapBuffer, A.Value, A.CalculationOperation, A._ColorFormatEnum, A.SpanColorFormat, A.ColorChannel, A.GamutMapMethod, A.InterpolationMethod, A.ColorSpace, A.AnySelectorVisitor, A._EvaluateVisitor0, A._ImportedCssVisitor0, A._EvaluationContext0, A._CloneCssVisitor, A.Evaluator, A._EvaluateVisitor, A._ImportedCssVisitor, A._EvaluationContext, A.EveryCssVisitor, A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor, A.__FindDependenciesVisitor_Object_RecursiveStatementVisitor, A.IsCalculationSafeVisitor, A.IsPlainCssVisitor, A.RecursiveStatementVisitor, A.ReplaceExpressionVisitor, A.SelectorSearchVisitor, A._SerializeVisitor, A.StatementSearchVisitor, A.Entry, A.Mapping, A.TargetLineEntry, A.TargetEntry, A.SourceFile, A.SourceLocationMixin, A.SourceSpanMixin, A.Highlighter, A._Highlight, A._Line, A.SourceLocation, A.Chain, A.Frame, A.LazyTrace, A.Trace, A.UnparsedFrame, A.StringScanner, A._SpanScannerState, A.AsciiGlyphSet, A.UnicodeGlyphSet, A.WatchEvent, A.ChangeType, A.ColorSpace0, A.AnySelectorVisitor0, A.SupportsAnything0, A.ArgumentList0, A.Value0, A.AsyncImporter0, A.AsyncBuiltInCallable0, A.AsyncEnvironment0, A._EnvironmentModule2, A._EvaluateVisitor2, A._ImportedCssVisitor2, A._EvaluationContext2, A.AsyncImportCache0, A.Parser1, A.AtRootQuery0, A.Statement0, A.CssNode0, A.InterpolatedSelector, A.Selector0, A.Expression0, A.Box0, A.ModifiableBox0, A.BuiltInCallable0, A.BuiltInModule0, A.CalculationOperation0, A.CalculationInterpolation, A.CanonicalizeContext0, A.ColorChannel0, A.GamutMapMethod0, A._CloneCssVisitor0, A._ColorFormatEnum0, A.SpanColorFormat0, A.CompileResult0, A.Compiler, A.InterpolatedComplexSelectorComponent, A.ComplexSelectorComponent0, A.Configuration0, A.ConfiguredValue0, A.ConfiguredVariable0, A.SupportsDeclaration0, A.LoggerWithDeprecationType0, A.DynamicImport0, A.EmptyExtensionStore0, A.Environment0, A._EnvironmentModule1, A._EvaluateVisitor1, A._ImportedCssVisitor1, A._EvaluationContext1, A.EveryCssVisitor0, A.SassScriptException0, A.JSExpressionVisitor, A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0, A.Extension0, A.Extender0, A.ExtensionStore0, A.ForwardedModuleView0, A.SupportsFunction0, A.IfConditionExpression0, A.JSIfConditionExpressionVisitor, A.IfRuleClause0, A.NodeImporter, A.ImportCache0, A.Interpolation0, A.SupportsInterpolation0, A.InterpolationBuffer0, A.InterpolationMap0, A.InterpolationMethod0, A.IsCalculationSafeVisitor0, A.IsPlainCssVisitor0, A.FileSystemException0, A.LazyFileSpan0, A.__ParentSelectorVisitor_Object_SelectorSearchVisitor0, A.CssMediaQuery0, A.MediaQuerySuccessfulMergeResult0, A.__HasContentVisitor_Object_StatementSearchVisitor0, A.MultiSpan0, A.SupportsNegation0, A.NoSourceMapBuffer0, A._FakeAstNode0, A.__IsInvisibleVisitor_Object_EveryCssVisitor0, A.SupportsOperation0, A.Parameter0, A.ParameterList0, A.PlainCssCallable0, A.InterpolatedQualifiedName, A.QualifiedName0, A.ReplaceExpressionVisitor0, A.ImporterResult0, A.__IsInvisibleVisitor_Object_AnySelectorVisitor0, A.__IsBogusVisitor_Object_AnySelectorVisitor0, A.__IsUselessVisitor_Object_AnySelectorVisitor0, A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor0, A.SelectorSearchVisitor0, A._SerializeVisitor0, A.ShadowedModuleView0, A.JSSimpleSelectorVisitor, A.SourceInterpolationVisitor, A.SourceMapBuffer0, A.JSStatementVisitor, A.StatementSearchVisitor0, A.StaticImport0, A.UserDefinedCallable0, A.CssValue0]);
  	    _inheritMany(J.Interceptor, [J.JSBool, J.JSNull, J.JavaScriptObject, J.JavaScriptBigInt, J.JavaScriptSymbol, J.JSNumber, J.JSString]);
  	    _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, J.JSArray, A.NativeByteBuffer, A.NativeTypedData]);
  	    _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction, A.Stdin, A.Stdout, A.ReadlineModule, A.ReadlineOptions, A.ReadlineInterface, A.BufferModule, A.BufferConstants, A.Buffer, A.ConsoleModule, A.Console, A.EventEmitter, A.FS, A.FSConstants, A.Realpath, A.RealpathSync, A.FSWatcher, A.ReadStream, A.ReadStreamOptions, A.WriteStream, A.WriteStreamOptions, A.FileOptions, A.StatOptions, A.MkdirOptions, A.RmdirOptions, A.WatchOptions, A.WatchFileOptions, A.Stats, A.Promise, A.Date, A.JsError, A.Atomics, A.Modules, A.Module, A.Net, A.Socket, A.NetAddress, A.NetServer, A.NodeJsError, A.Process, A.CPUUsage, A.Release, A.StreamModule, A.Readable, A.Writable, A.Duplex, A.Transform, A.WritableOptions, A.ReadableOptions, A.Immediate, A.Timeout, A.TTY, A.Util, A.JSArray0, A.Chokidar, A.ChokidarOptions, A.ChokidarWatcher, A.JSFunction, A.ImmutableList, A.ImmutableMap, A.NodeImporterResult, A.RenderContext, A.RenderContextOptions, A.RenderContextResult, A.RenderContextResultStats, A.JSModule, A.JSModuleRequire, A.JSClass, A.JSUrl, A._PropertyDescriptor, A._RequireMain, A.JSArray1, A.Chokidar0, A.ChokidarOptions0, A.ChokidarWatcher0, A._Channels, A._ChannelOptions, A._ToGamutOptions, A._InterpolationOptions, A._NodeSassColor, A.CompileOptions, A.NodeCompileResult, A.Deprecation1, A.Exports, A.LoggerNamespace, A.JSExpressionVisitorObject, A.FiberClass, A.Fiber, A.JSFunction0, A.JSIfConditionExpressionVisitorObject, A.ImmutableList0, A.ImmutableMap0, A.JSImporter, A.JSImporterResult, A.NodeImporterResult0, A._ConstructorOptions, A._NodeSassList, A.JSLogger, A.WarnOptions, A.DebugOptions, A._NodeSassMap, A.JSModule0, A.JSModuleRequire0, A._ConstructorOptions0, A._NodeSassNumber, A.ParserExports, A.JSClass0, A.RenderContext0, A.RenderContextOptions0, A.RenderContextResult0, A.RenderContextResultStats0, A.RenderOptions, A.RenderResult, A.RenderResultStats, A._Exports, A.JSSet, A.JSSimpleSelectorVisitorObject, A.JSStatementVisitorObject, A._ConstructorOptions1, A._NodeSassString, A.Types, A.JSUrl0, A._PropertyDescriptor0, A._RequireMain0]);
  	    _inherit(J.JSArraySafeToStringHook, A.SafeToStringHook);
  	    _inherit(J.JSUnmodifiableArray, J.JSArray);
  	    _inheritMany(J.JSNumber, [J.JSInt, J.JSNumNotInt]);
  	    _inheritMany(A.Iterable, [A._CastIterableBase, A.EfficientLengthIterable, A.MappedIterable, A.WhereIterable, A.ExpandIterable, A.TakeIterable, A.SkipIterable, A.SkipWhileIterable, A.FollowedByIterable, A.WhereTypeIterable, A.NonNullsIterable, A._KeysOrValues, A._AllMatchesIterable, A._StringAllMatchesIterable, A._SyncStarIterable, A.Runes, A._EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin, A._PrefixedKeys, A._UnprefixedKeys, A._PrefixedKeys0, A._UnprefixedKeys0]);
  	    _inheritMany(A._CastIterableBase, [A.CastIterable, A.__CastListBase__CastIterableBase_ListMixin, A.CastSet]);
  	    _inherit(A._EfficientLengthCastIterable, A.CastIterable);
  	    _inherit(A._CastListBase, A.__CastListBase__CastIterableBase_ListMixin);
  	    _inheritMany(A.Closure, [A.Closure2Args, A.CastMap_entries_closure, A.Closure0Args, A.Instantiation, A.TearOffClosure, A.initHooks_closure, A.initHooks_closure1, A._AsyncRun__initializeScheduleImmediate_internalCallback, A._AsyncRun__initializeScheduleImmediate_closure, A._awaitOnObject_closure, A.Future_wait_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure, A.Stream_Stream$fromFuture_closure, A.Stream_length_closure, A._CustomZone_bindUnaryCallback_closure, A._RootZone_bindUnaryCallback_closure, A._HashMap_values_closure, A._LinkedCustomHashMap_closure, A.MapBase_entries_closure, A._JsonMap_values_closure, A._Uri__makePath_closure, A.jsify__convert, A.promiseToFuture_closure, A.promiseToFuture_closure0, A.ArgParser__addOption_closure, A._Usage__writeOption_closure, A._Usage__buildAllowedList_closure, A.FutureGroup_add_closure, A.StreamGroup__onListen_closure, A.StreamGroup__onCancel_closure, A.StreamQueue__ensureListening_closure, A.alwaysValid_closure, A.ReplAdapter_runAsync__closure, A.UnionSet__iterable_closure, A.UnionSet_contains_closure, A.MapKeySet_difference_closure, A.promiseToFuture_closure1, A.promiseToFuture_closure2, A.futureToPromise__closure, A.Context_joinAll_closure, A.Context_split_closure, A._validateArgList_closure, A.ParsedPath__splitExtension_closure, A.PathMap__create_closure0, A.PathMap__create_closure1, A.WindowsStyle_absolutePathToUri_closure, A.Version__splitParts_closure, A.ModifiableCssNode_hasFollowingSibling_closure, A.ListExpression_toString_closure, A.Interpolation_toString_closure, A.ParameterList_verify_closure, A.ParameterList_verify_closure0, A.EachRule_toString_closure, A.IfRuleClause$__closure, A.IfRuleClause$___closure, A.ParentStatement_closure, A.ParentStatement__closure, A._IsBogusVisitor_visitComplexSelector_closure, A._IsUselessVisitor_visitComplexSelector_closure, A.ComplexSelectorComponent_toString_closure, A.CompoundSelector_hasComplicatedSuperselectorSemantics_closure, A.IDSelector_unify_closure, A.SelectorList_asSassList_closure, A.SelectorList_nestWithin_closure, A.SelectorList_nestWithin__closure, A.SelectorList_nestWithin__closure0, A.SelectorList__nestWithinCompound_closure, A.SelectorList__nestWithinCompound_closure0, A.SelectorList__nestWithinCompound_closure1, A.SelectorList_withAdditionalCombinators_closure, A.PseudoSelector_specificity__closure, A.PseudoSelector_specificity__closure0, A.PseudoSelector_unify_closure, A.SimpleSelector_isSuperselector_closure, A.SimpleSelector_isSuperselector__closure, A._compileStylesheet_closure0, A.AsyncEnvironment__getVariableFromGlobalModule_closure, A.AsyncEnvironment_setVariable_closure0, A.AsyncEnvironment__getFunctionFromGlobalModule_closure, A.AsyncEnvironment__getMixinFromGlobalModule_closure, A.AsyncEnvironment_toModule_closure, A.AsyncEnvironment_toDummyModule_closure, A._EnvironmentModule__EnvironmentModule_closure5, A._EnvironmentModule__EnvironmentModule_closure6, A._EnvironmentModule__EnvironmentModule_closure7, A._EnvironmentModule__EnvironmentModule_closure8, A._EnvironmentModule__EnvironmentModule_closure9, A._EnvironmentModule__EnvironmentModule_closure10, A._EnvironmentModule_couldHaveBeenConfigured_closure0, A.AsyncImportCache_humanize_closure, A.AsyncImportCache_humanize_closure0, A.AsyncImportCache_humanize_closure1, A.AsyncImportCache_humanize_closure2, A.AsyncBuiltInCallable$mixin_closure, A.AsyncBuiltInCallable_withDeprecationWarning_closure, A.BuiltInCallable$mixin_closure, A.BuiltInCallable_withDeprecationWarning_closure, A._compileStylesheet_closure, A.Deprecation_fromId_closure, A.Environment__getVariableFromGlobalModule_closure, A.Environment_setVariable_closure0, A.Environment__getFunctionFromGlobalModule_closure, A.Environment__getMixinFromGlobalModule_closure, A.Environment_toModule_closure, A.Environment_toDummyModule_closure, A._EnvironmentModule__EnvironmentModule_closure, A._EnvironmentModule__EnvironmentModule_closure0, A._EnvironmentModule__EnvironmentModule_closure1, A._EnvironmentModule__EnvironmentModule_closure2, A._EnvironmentModule__EnvironmentModule_closure3, A._EnvironmentModule__EnvironmentModule_closure4, A._EnvironmentModule_couldHaveBeenConfigured_closure, A._writeSourceMap_closure, A.ExecutableOptions_emitErrorCss_closure, A.repl_warn, A.watch_closure, A._Watcher__debounceEvents_closure, A.ExtensionStore_extensionsWhereTarget_closure, A.ExtensionStore__extendComplex_closure, A.ExtensionStore__extendComplex__closure, A.ExtensionStore__extendCompound_closure, A.ExtensionStore__extendCompound_closure0, A.ExtensionStore__extendCompound_closure1, A.ExtensionStore__extendSimple_withoutPseudo, A.ExtensionStore__extendSimple_closure, A.ExtensionStore__extendSimple_closure0, A.ExtensionStore__extendPseudo_closure, A.ExtensionStore__extendPseudo_closure0, A.ExtensionStore__extendPseudo_closure1, A.ExtensionStore__extendPseudo_closure2, A.ExtensionStore__extendPseudo_closure3, A.ExtensionStore__trim_closure, A.ExtensionStore__trim_closure0, A.unifyComplex_closure, A._weaveParents_closure0, A._weaveParents_closure1, A._weaveParents_closure2, A._mustUnify_closure, A._mustUnify__closure, A.paths__closure, A.paths___closure, A.listIsSuperselector_closure, A.listIsSuperselector__closure, A.complexIsSuperselector_closure, A.complexIsSuperselector_closure0, A._compatibleWithPreviousCombinator_closure, A.compoundIsSuperselector_closure, A._selectorPseudoIsSuperselector_closure, A._selectorPseudoIsSuperselector_closure0, A._selectorPseudoIsSuperselector_closure1, A._selectorPseudoIsSuperselector_closure2, A._selectorPseudoIsSuperselector_closure3, A._selectorPseudoIsSuperselector__closure, A._selectorPseudoIsSuperselector___closure, A._selectorPseudoIsSuperselector___closure0, A._selectorPseudoIsSuperselector_closure4, A._selectorPseudoIsSuperselector_closure5, A._selectorPseudoArgs_closure, A._selectorPseudoArgs_closure0, A.globalFunctions_closure, A.global_closure0, A.global_closure1, A.global_closure2, A.global_closure3, A.global_closure4, A.global_closure5, A.global_closure6, A.global_closure7, A.global_closure8, A.global_closure9, A.global_closure10, A.global_closure11, A.global_closure12, A.global_closure13, A.global_closure14, A.global_closure15, A.global_closure16, A.global_closure17, A.global_closure18, A.global_closure19, A.global_closure20, A.global_closure21, A.global_closure22, A.global_closure23, A.global_closure24, A.global_closure25, A.global_closure26, A.global_closure27, A.global_closure28, A.global_closure29, A.global_closure30, A.global_closure31, A.global_closure32, A.global_closure33, A.global_closure34, A.global_closure35, A.global__closure, A.global_closure36, A.global_closure37, A.global_closure38, A.global_closure39, A.global_closure40, A.global_closure41, A.global_closure42, A.module_closure1, A.module_closure2, A.module_closure3, A.module_closure4, A.module_closure5, A.module_closure6, A.module_closure7, A.module_closure8, A.module_closure9, A.module_closure10, A.module_closure11, A.module_closure12, A.module_closure13, A.module_closure14, A.module__closure2, A.module_closure15, A.module_closure16, A.module_closure17, A.module_closure18, A.module_closure19, A.module_closure20, A.module_closure21, A.module_closure22, A.module__closure1, A.module_closure23, A.module_closure_toXyzNoMissing, A.module_closure24, A._mix_closure, A._complement_closure, A._adjust_closure, A._scale_closure, A._change_closure, A._ieHexStr_closure, A._ieHexStr_closure_hexString, A._updateComponents_closure, A._updateComponents_closure0, A._adjustColor_closure, A._functionString_closure, A._removedColorFunction_closure, A._rgb_closure, A._hsl_closure, A._parseChannels_closure, A._parseChannels_closure0, A._colorFromChannels_closure, A._colorFromChannels_closure0, A._channelFromValue_closure, A._channelFunction_closure, A._suggestScaleAndAdjust_closure, A._length_closure0, A._nth_closure, A._setNth_closure, A._join_closure, A._append_closure0, A._zip_closure, A._zip__closure, A._zip__closure0, A._zip__closure1, A._index_closure0, A._separator_closure, A._isBracketed_closure, A._slash_closure, A._get_closure, A._set_closure, A._set__closure0, A._set_closure0, A._set__closure, A._merge_closure, A._merge_closure0, A._merge__closure, A._deepMerge_closure, A._deepRemove_closure, A._deepRemove__closure, A._remove_closure, A._remove_closure0, A._keys_closure, A._values_closure, A._hasKey_closure, A._modify_modifyNestedMap, A.global_closure, A.module_closure0, A._ceil_closure, A._clamp_closure, A._floor_closure, A._max_closure, A._min_closure, A._round_closure, A._hypot_closure, A._hypot__closure, A._log_closure, A._pow_closure, A._atan2_closure, A._compatible_closure, A._isUnitless_closure, A._unit_closure, A._percentage_closure, A._randomFunction_closure, A._div_closure, A._singleArgumentMathFunc_closure, A._numberFunction_closure, A._shared_closure, A._shared_closure0, A._shared_closure1, A._shared_closure2, A.moduleFunctions_closure, A.moduleFunctions_closure0, A.moduleFunctions__closure, A.moduleFunctions_closure1, A._nest_closure, A._nest__closure, A._append_closure, A._append__closure, A._append___closure, A._extend_closure, A._replace_closure, A._unify_closure, A._isSuperselector_closure, A._simpleSelectors_closure, A._simpleSelectors__closure, A._parse_closure, A.module_closure, A.module__closure, A.module__closure0, A._unquote_closure, A._quote_closure, A._length_closure, A._insert_closure, A._index_closure, A._slice_closure, A._toUpperCase_closure, A._toLowerCase_closure, A._uniqueId_closure, A.ImportCache_humanize_closure, A.ImportCache_humanize_closure0, A.ImportCache_humanize_closure1, A.ImportCache_humanize_closure2, A.FilesystemImporter_canonicalize_closure, A.NodePackageImporter__nodePackageExportsResolve_closure, A.NodePackageImporter__nodePackageExportsResolve_closure0, A.NodePackageImporter__nodePackageExportsResolve_closure1, A.NodePackageImporter__nodePackageExportsResolve_closure2, A.NodePackageImporter__nodePackageExportsResolve__closure, A.NodePackageImporter__nodePackageExportsResolve__closure0, A.NodePackageImporter__getMainExport_closure, A._exactlyOne_closure, A.InterpolationMap_mapException_closure, A._realCasePath_helper, A._realCasePath_helper__closure, A.readStdin_closure, A.readStdin_closure0, A.readStdin_closure1, A.readStdin_closure2, A.listDir__closure, A.listDir__closure0, A.listDir_closure_list, A.listDir__list_closure, A.watchDir_closure1, A.watchDir_closure2, A.watchDir_closure3, A.watchDir_closure4, A.DeprecationProcessingLogger_summarize_closure, A.DeprecationProcessingLogger_summarize_closure0, A._disallowedFunctionNames_closure, A.Parser_escape_closure, A.Parser_scanIdentChar_matches, A.SassParser_styleRuleSelector_closure, A.SassParser__peekIndentation_closure, A.SassParser__peekIndentation_closure0, A.SassParser__tryTrailingSemicolon_closure, A.StylesheetParser__declarationOrBuffer_closure1, A.StylesheetParser__expression_addSingleExpression, A.StylesheetParser__expression_addOperator, A.StylesheetParser__isHexColor_closure, A.StylesheetParser__unicodeRange_closure, A.StylesheetParser__unicodeRange_closure0, A.StylesheetParser_trySpecialFunction_closure, A.StylesheetGraph_modifiedSince_transitiveModificationTime, A.MapExtensions_get_pairs_closure, A._PrefixedKeys_iterator_closure, A.SourceMapBuffer_buildSourceMap_closure, A._UnprefixedKeys_iterator_closure, A._UnprefixedKeys_iterator_closure0, A.indent_closure, A.flattenVertically_closure, A.flattenVertically_closure0, A.SassCalculation__verifyLength_closure, A.SassColor$_forSpace_closure, A.HwbColorSpace_convert_toRgb, A.SassList_isBlank_closure, A.SassNumber__coerceOrConvertValue_closure, A.SassNumber__coerceOrConvertValue_closure1, A.SassNumber_multiplyUnits_closure, A.SassNumber_multiplyUnits_closure1, A.SassNumber__areAnyConvertible_closure, A.SassNumber__canonicalizeUnitList_closure, A.SassNumber_unitSuggestion_closure, A.SassNumber_unitSuggestion_closure0, A.SingleUnitSassNumber__coerceToUnit_closure, A.SingleUnitSassNumber__coerceValueToUnit_closure, A.SingleUnitSassNumber_multiplyUnits_closure, A.AnySelectorVisitor_visitComplexSelector_closure, A.AnySelectorVisitor_visitCompoundSelector_closure, A._EvaluateVisitor_closure12, A._EvaluateVisitor_closure13, A._EvaluateVisitor_closure14, A._EvaluateVisitor_closure15, A._EvaluateVisitor_closure16, A._EvaluateVisitor_closure17, A._EvaluateVisitor_closure18, A._EvaluateVisitor_closure19, A._EvaluateVisitor_closure20, A._EvaluateVisitor_closure21, A._EvaluateVisitor_closure22, A._EvaluateVisitor_closure23, A._EvaluateVisitor_closure24, A._EvaluateVisitor__loadModule__closure1, A._EvaluateVisitor__combineCss_closure1, A._EvaluateVisitor__combineCss_closure2, A._EvaluateVisitor__combineCss_visitModule0, A._EvaluateVisitor__extendModules_closure1, A._EvaluateVisitor__scopeForAtRoot_closure5, A._EvaluateVisitor__scopeForAtRoot_closure6, A._EvaluateVisitor__scopeForAtRoot_closure7, A._EvaluateVisitor__scopeForAtRoot_closure8, A._EvaluateVisitor__scopeForAtRoot_closure9, A._EvaluateVisitor__scopeForAtRoot_closure10, A._EvaluateVisitor_visitEachRule_closure2, A._EvaluateVisitor_visitEachRule_closure3, A._EvaluateVisitor_visitEachRule__closure0, A._EvaluateVisitor_visitEachRule___closure0, A._EvaluateVisitor_visitAtRule_closure3, A._EvaluateVisitor_visitAtRule_closure6, A._EvaluateVisitor_visitForRule__closure0, A._EvaluateVisitor_visitIfRule_closure0, A._EvaluateVisitor_visitIfRule___closure0, A._EvaluateVisitor__visitDynamicImport__closure3, A._EvaluateVisitor__visitDynamicImport__closure4, A._EvaluateVisitor__visitDynamicImport__closure5, A._EvaluateVisitor_visitIncludeRule_closure3, A._EvaluateVisitor_visitMediaRule_closure4, A._EvaluateVisitor_visitMediaRule_closure6, A._EvaluateVisitor_visitStyleRule_closure4, A._EvaluateVisitor_visitStyleRule_closure5, A._EvaluateVisitor__warnForBogusCombinators_closure0, A._EvaluateVisitor_visitSupportsRule_closure4, A._EvaluateVisitor_visitWhileRule__closure0, A._EvaluateVisitor__slash_recommendation0, A._EvaluateVisitor_visitIfExpression_closure0, A._EvaluateVisitor_visitIfConditionOperation_closure0, A._EvaluateVisitor_visitListExpression_closure0, A._EvaluateVisitor_visitFunctionExpression_closure3, A._EvaluateVisitor__visitCalculation_closure0, A._EvaluateVisitor__checkCalculationArguments_check0, A._EvaluateVisitor__visitCalculationExpression__closure0, A._EvaluateVisitor__runUserDefinedCallable____closure0, A._EvaluateVisitor__runBuiltInCallable_closure4, A._EvaluateVisitor__evaluateArguments_closure3, A._EvaluateVisitor__evaluateArguments_closure4, A._EvaluateVisitor__evaluateArguments_closure6, A._EvaluateVisitor__evaluateMacroArguments_closure3, A._EvaluateVisitor__evaluateMacroArguments_closure4, 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A._numberFunction_closure0, A._shared_closure3, A._shared_closure4, A._shared_closure5, A._shared_closure6, A.moduleFunctions_closure2, A.moduleFunctions_closure3, A.moduleFunctions__closure0, A.moduleFunctions_closure4, A.mixinClass__closure, A.mixinClass__closure0, A.ModifiableCssNode_hasFollowingSibling_closure0, A.NodePackageImporter__nodePackageExportsResolve_closure3, A.NodePackageImporter__nodePackageExportsResolve_closure4, A.NodePackageImporter__nodePackageExportsResolve_closure5, A.NodePackageImporter__nodePackageExportsResolve_closure6, A.NodePackageImporter__nodePackageExportsResolve__closure1, A.NodePackageImporter__nodePackageExportsResolve__closure2, A.NodePackageImporter__getMainExport_closure0, A.legacyNullClass__closure, A.numberClass__closure, A.numberClass__closure0, A.numberClass__closure1, A.numberClass__closure2, A.numberClass__closure3, A.numberClass__closure4, A.numberClass__closure5, A.numberClass__closure6, A.numberClass__closure7, A.numberClass__closure8, A.numberClass__closure9, A.numberClass__closure12, A.numberClass__closure13, A.numberClass__closure14, A.numberClass__closure15, A.numberClass__closure16, A.numberClass__closure17, A.numberClass__closure18, A.numberClass__closure19, A.legacyNumberClass_closure, A.legacyNumberClass_closure0, A.legacyNumberClass_closure2, A._parseNumber_closure, A._parseNumber_closure0, A.SassNumber__coerceOrConvertValue_closure3, A.SassNumber__coerceOrConvertValue_closure5, A.SassNumber_multiplyUnits_closure3, A.SassNumber_multiplyUnits_closure5, A.SassNumber__areAnyConvertible_closure0, A.SassNumber__canonicalizeUnitList_closure0, A.SassNumber_unitSuggestion_closure1, A.SassNumber_unitSuggestion_closure2, A.ParameterList_verify_closure1, A.ParameterList_verify_closure2, A.ParentStatement_closure0, A.ParentStatement__closure0, A.loadParserExports_closure, A.loadParserExports_closure0, A.loadParserExports_closure1, A.loadParserExports_closure2, A.loadParserExports_closure3, A.loadParserExports_closure4, A._updateLazyFileSpanPrototype_closure0, A._updateLazyFileSpanPrototype_closure1, A._updateLazyFileSpanPrototype_closure2, A._updateAstPrototypes_closure, A._updateAstPrototypes_closure0, A._updateAstPrototypes_closure1, A._updateAstPrototypes_closure2, A._updateAstPrototypes_closure7, A._updateAstPrototypes_closure8, A._updateAstPrototypes_closure9, A._updateAstPrototypes_closure10, A._updateAstPrototypes_closure11, A._updateAstPrototypes_closure12, A._updateAstPrototypes_closure13, A._addSupportsConditionToInterpolation_closure, A.Parser_escape_closure0, A.Parser_scanIdentChar_matches0, A._PrefixedKeys_iterator_closure0, A.PseudoSelector_specificity__closure1, A.PseudoSelector_specificity__closure2, A.PseudoSelector_unify_closure0, A.JSClassExtension_setCustomInspect_closure, A.ReplaceExpressionVisitor_visitListExpression_closure0, A.ReplaceExpressionVisitor_visitIfConditionOperation_closure0, A.ReplaceExpressionVisitor_visitArgumentList_closure0, A.ReplaceExpressionVisitor_visitInterpolation_closure0, A.SassParser_styleRuleSelector_closure0, A.SassParser__peekIndentation_closure1, A.SassParser__peekIndentation_closure2, A.SassParser__tryTrailingSemicolon_closure0, A._wrapMain_closure, A._wrapMain_closure0, A._IsBogusVisitor_visitComplexSelector_closure0, A._IsUselessVisitor_visitComplexSelector_closure0, A._nest_closure0, A._nest__closure1, A._append_closure1, A._append__closure1, A._append___closure0, A._extend_closure0, A._replace_closure0, A._unify_closure0, A._isSuperselector_closure0, A._simpleSelectors_closure0, A._simpleSelectors__closure0, A._parse_closure0, A.SelectorSearchVisitor_visitComplexSelector_closure0, A.SelectorSearchVisitor_visitCompoundSelector_closure0, A.serialize_closure0, A._SerializeVisitor_visitList_closure2, A._SerializeVisitor_visitList_closure3, A._SerializeVisitor_visitList_closure4, A._SerializeVisitor_visitMap_closure0, A._SerializeVisitor_visitSelectorList_closure0, A.SimpleSelector_isSuperselector_closure0, A.SimpleSelector_isSuperselector__closure0, A.SingleUnitSassNumber__coerceToUnit_closure0, A.SingleUnitSassNumber__coerceValueToUnit_closure0, A.SingleUnitSassNumber_multiplyUnits_closure1, A.SourceInterpolationVisitor__visitArguments_closure, A.SourceInterpolationVisitor_visitIfConditionOperation_closure, A.SourceInterpolationVisitor_visitListExpression_closure, A.SourceMapBuffer_buildSourceMap_closure0, A.updateSourceSpanPrototype_closure0, A.updateSourceSpanPrototype_closure1, A.updateSourceSpanPrototype_closure2, A.updateSourceSpanPrototype__closure, A.updateSourceSpanPrototype_closure3, A.updateSourceSpanPrototype_closure4, A.updateSourceSpanPrototype_closure5, A.updateSourceSpanPrototype_closure6, A.StatementSearchVisitor_visitIfRule_closure1, A.StatementSearchVisitor_visitIfRule__closure2, A.StatementSearchVisitor_visitIfRule_closure2, A.StatementSearchVisitor_visitIfRule__closure1, A.StatementSearchVisitor_visitChildren_closure0, A.module_closure25, A.module__closure3, A.module__closure4, A._unquote_closure0, A._quote_closure0, A._length_closure1, A._insert_closure0, A._index_closure1, A._slice_closure0, A._toUpperCase_closure0, A._toLowerCase_closure0, A._uniqueId_closure0, A.StringExtension_toCssIdentifier_writeEscape, A.StringExtension_toCssIdentifier_consumeSurrogatePair, A.stringClass__closure, A.stringClass__closure0, A.stringClass__closure1, A.stringClass__closure2, A.stringClass__closure3, A.legacyStringClass_closure, A.legacyStringClass_closure0, A.StylesheetParser__declarationOrBuffer_closure5, A.StylesheetParser__expression_addSingleExpression0, A.StylesheetParser__expression_addOperator0, A.StylesheetParser__isHexColor_closure0, A.StylesheetParser__unicodeRange_closure1, A.StylesheetParser__unicodeRange_closure2, A.StylesheetParser_trySpecialFunction_closure0, A._UnprefixedKeys_iterator_closure1, A._UnprefixedKeys_iterator_closure2, A._exactlyOne_closure0, A.futureToPromise__closure0, A.indent_closure0, A.flattenVertically_closure1, A.flattenVertically_closure2, A.valueClass__closure, A.valueClass__closure0, A.valueClass__closure1, A.valueClass__closure2, A.valueClass__closure3, A.valueClass__closure4, A.valueClass__closure5, A.valueClass__closure7, A.valueClass__closure8, A.valueClass__closure9, A.valueClass__closure10, A.valueClass__closure11, A.valueClass__closure12, A.valueClass__closure13, A.valueClass__closure14, A.valueClass__closure15, A.valueClass__closure17, A.valueClass__closure18]);
  	    _inheritMany(A.Closure2Args, [A._CastListBase_sort_closure, A.CastMap_forEach_closure, A.Primitives_functionNoSuchMethod_closure, A.JsLinkedHashMap_addAll_closure, A.initHooks_closure0, A._awaitOnObject_closure0, A._wrapJsFunctionForAsync_closure, A.Future_wait_handleError, A._Future__propagateToListeners_handleWhenCompleteCallback_closure0, A.Stream_Stream$fromFuture_closure0, A._AddStreamState_makeErrorHandler_closure, A._HashMap_addAll_closure, A.HashMap_HashMap$from_closure, A.LinkedHashMap_LinkedHashMap$from_closure, A.MapBase_addAll_closure, A.MapBase_mapToString_closure, A._JsonMap_addAll_closure, A._JsonStringifier_writeMap_closure, A.NoSuchMethodError_toString_closure, A.Uri_parseIPv6Address_error, A.Parser_parse_closure, A.FutureGroup_add_closure0, A.StreamQueue__ensureListening_closure1, A.futureToPromise_closure, A.PathMap__create_closure, A.IfRule_toString_closure, A.ComplexSelector_specificity_closure, A.CompoundSelector_specificity_closure, A.ExtensionStore_clone_closure, A._weaveParents_closure, A.paths_closure, A._nest__closure0, A._append__closure0, A.watchDir_closure0, A.ParcelWatcher_subscribe_closure, A.StylesheetParser__styleRule_closure, A.StylesheetParser__withStyleRuleChildren_closure, A.StylesheetParser__tryDeclarationChildren_closure, A.StylesheetParser__atRootRule_closure, A.StylesheetParser__atRootRule_closure0, A.StylesheetParser__eachRule_closure, A.StylesheetParser__functionRule_closure, A.StylesheetParser__forRule_closure0, A.StylesheetParser__includeRule_closure, A.StylesheetParser_mediaRule_closure, A.StylesheetParser__mixinRule_closure, A.StylesheetParser_mozDocumentRule_closure0, A.StylesheetParser_supportsRule_closure, A.StylesheetParser__whileRule_closure, A.StylesheetParser_unknownAtRule_closure, A.longestCommonSubsequence_backtrack, A.mapAddAll2_closure, A.SassNumber_plus_closure, A.SassNumber_minus_closure, A.SassNumber__canonicalMultiplier_closure, A._EvaluateVisitor__closure3, A._EvaluateVisitor__closure4, A._EvaluateVisitor_visitForwardRule_closure1, A._EvaluateVisitor_visitForwardRule_closure2, A._EvaluateVisitor_visitUseRule_closure0, A._EvaluateVisitor__evaluateArguments_closure5, A._EvaluateVisitor__evaluateMacroArguments_closure5, A._EvaluateVisitor__addRestMap_closure0, A._EvaluateVisitor__closure, A._EvaluateVisitor__closure0, A._EvaluateVisitor_visitForwardRule_closure, A._EvaluateVisitor_visitForwardRule_closure0, A._EvaluateVisitor_visitUseRule_closure, A._EvaluateVisitor__evaluateArguments_closure1, A._EvaluateVisitor__evaluateMacroArguments_closure1, A._EvaluateVisitor__addRestMap_closure, A.SingleMapping_toJson_closure0, A.Highlighter__collateLines_closure0, A.Frame_Frame$parseV8_closure_parseJsLocation, A.TransformByHandlers_transformByHandlers__closure1, A.RateLimit__debounceAggregate_closure, A._EvaluateVisitor__closure11, A._EvaluateVisitor__closure12, A._EvaluateVisitor_visitForwardRule_closure5, A._EvaluateVisitor_visitForwardRule_closure6, A._EvaluateVisitor_visitUseRule_closure2, A._EvaluateVisitor__evaluateArguments_closure13, A._EvaluateVisitor__evaluateMacroArguments_closure13, A._EvaluateVisitor__addRestMap_closure2, A.calculationOperationClass__closure0, A.calculationInterpolationClass__closure, A.calculationInterpolationClass__closure0, A.colorClass__closure, A.colorClass__closure0, A.colorClass__closure2, A.colorClass__closure4, A.colorClass__closure6, A.colorClass__closure8, A.legacyColorClass_closure4, A.legacyColorClass_closure5, A.legacyColorClass_closure6, A.legacyColorClass_closure7, A._parseFunctions_closure0, A.ComplexSelector_specificity_closure0, A.CompoundSelector_specificity_closure0, A._EvaluateVisitor__closure7, A._EvaluateVisitor__closure8, A._EvaluateVisitor_visitForwardRule_closure3, A._EvaluateVisitor_visitForwardRule_closure4, A._EvaluateVisitor_visitUseRule_closure1, A._EvaluateVisitor__evaluateArguments_closure9, A._EvaluateVisitor__evaluateMacroArguments_closure9, A._EvaluateVisitor__addRestMap_closure1, A.ExtensionStore_clone_closure0, A._weaveParents_closure3, A.paths_closure0, A.IfRule_toString_closure0, A.main_closure, A.main_closure0, A.render_closure1, A._parseFunctions_closure, A.listClass__closure0, A.legacyListClass_closure0, A.legacyListClass_closure3, A.mapClass__closure1, A.legacyMapClass_closure0, A.legacyMapClass_closure1, A.numberClass__closure10, A.numberClass__closure11, A.legacyNumberClass_closure1, A.legacyNumberClass_closure3, A.SassNumber_plus_closure0, A.SassNumber_minus_closure0, A.SassNumber__canonicalMultiplier_closure0, A._updateAstPrototypes_closure3, A._updateAstPrototypes_closure4, A._updateAstPrototypes_closure5, A._updateAstPrototypes_closure6, A.JSClassExtension_get_defineStaticMethod_closure, A.JSClassExtension_get_defineMethod_closure, A.JSClassExtension_get_defineGetter_closure, A._nest__closure2, A._append__closure2, A.legacyStringClass_closure1, A.StylesheetParser__styleRule_closure0, A.StylesheetParser__styleRule_closure1, A.StylesheetParser__withStyleRuleChildren_closure0, A.StylesheetParser__tryDeclarationChildren_closure0, A.StylesheetParser__atRootRule_closure1, A.StylesheetParser__atRootRule_closure2, A.StylesheetParser__eachRule_closure0, A.StylesheetParser__functionRule_closure0, A.StylesheetParser__forRule_closure2, A.StylesheetParser__includeRule_closure0, A.StylesheetParser_mediaRule_closure0, A.StylesheetParser__mixinRule_closure0, A.StylesheetParser_mozDocumentRule_closure2, A.StylesheetParser_supportsRule_closure0, A.StylesheetParser__whileRule_closure0, A.StylesheetParser_unknownAtRule_closure0, A.futureToPromise_closure0, A.futureToPromise__closure1, A.objectToMap_closure, A.longestCommonSubsequence_backtrack0, A.mapAddAll2_closure0, A.valueClass__closure6, A.valueClass__closure16]);
  	    _inherit(A.CastList, A._CastListBase);
  	    _inheritMany(A.MapBase, [A.CastMap, A.JsLinkedHashMap, A._HashMap, A.UnmodifiableMapBase, A._JsonMap, A.MergedMapView, A.MergedMapView0]);
  	    _inheritMany(A.Error, [A.LateError, A.TypeError, A.JsNoSuchMethodError, A.UnknownJsTypeError, A.RuntimeError, A._Error, A.JsonUnsupportedObjectError, A.AssertionError, A.ArgumentError, A.NoSuchMethodError, A.UnsupportedError, A.UnimplementedError, A.StateError, A.ConcurrentModificationError]);
  	    _inherit(A.UnmodifiableListBase, A.ListBase);
  	    _inheritMany(A.UnmodifiableListBase, [A.CodeUnits, A.UnmodifiableListView]);
  	    _inheritMany(A.Closure0Args, [A.nullFuture_closure, A._AsyncRun__scheduleImmediateJsOverride_internalCallback, A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback, A._TimerImpl_internalCallback, A._TimerImpl$periodic_closure, A._Future__addListener_closure, A._Future__prependListeners_closure, A._Future__chainCoreFuture_closure, A._Future__asyncCompleteWithValue_closure, A._Future__asyncCompleteErrorObject_closure, A._Future__propagateToListeners_handleWhenCompleteCallback, A._Future__propagateToListeners_handleValueCallback, A._Future__propagateToListeners_handleError, A.Stream_length_closure0, A._StreamController__subscribe_closure, A._StreamController__recordCancel_complete, A._AddStreamState_cancel_closure, A._BufferingStreamSubscription__sendError_sendError, A._BufferingStreamSubscription__sendDone_sendDone, A._PendingEvents_schedule_closure, A._CustomZone_bindCallback_closure, A._CustomZone_bindCallbackGuarded_closure, A._RootZone_bindCallback_closure, A._RootZone_bindCallbackGuarded_closure, A._rootHandleError_closure, A._Utf8Decoder__decoder_closure, A._Utf8Decoder__decoderNonfatal_closure, A.Parser__setOption_closure, A.StreamGroup_add_closure, A.StreamGroup_add_closure0, A.StreamGroup__listenToStream_closure, A.StreamQueue__ensureListening_closure0, A._isStrictMode_closure, A.ReplAdapter_runAsync_closure, A.ParsedPath__splitExtension_closure0, A.IfConditionOperation_toInterpolation_closure, A.PseudoSelector_specificity_closure, A.AsyncEnvironment_setVariable_closure, A.AsyncEnvironment_setVariable_closure1, A.AsyncImportCache_canonicalize_closure, A.AsyncImportCache__canonicalize_closure, A.AsyncImportCache_importCanonical_closure, A.Environment_setVariable_closure, A.Environment_setVariable_closure1, A.ExecutableOptions__parser_closure, A.ExecutableOptions_interactive_closure, A.ExecutableOptions_fatalDeprecations_closure, A.ExtensionStore__registerSelector_closure, A.ExtensionStore_addExtension_closure, A.ExtensionStore_addExtension_closure0, A.ExtensionStore_addExtension_closure1, A.ExtensionStore__extendExistingExtensions_closure, A.ExtensionStore__extendExistingExtensions_closure0, A.ExtensionStore_addExtensions_closure, A.ExtensionStore_clone__closure, A._changeColor_closure, A.ImportCache_canonicalize_closure, A.ImportCache__canonicalize_closure, A.ImportCache_importCanonical_closure, A.resolveImportPath_closure, A.resolveImportPath_closure0, A._tryPathAsDirectory_closure, A._realCasePath_helper_closure, A._readFile_closure, A.writeFile_closure, A.deleteFile_closure, A.fileExists_closure, A.dirExists_closure, A.linkExists_closure, A.ensureDir_closure, A.listDir_closure, A.realpath_closure, A.modificationTime_closure, A.watchDir_closure, A.watchDir_closure5, A.watchDir__closure, A.AtRootQueryParser_parse_closure, A.KeyframeSelectorParser_parse_closure, A.MediaQueryParser_parse_closure, A.Parser__parseIdentifier_closure, A.Parser_spanFrom_closure, A.Parser_spanFromPosition_closure, A.SassParser_children_closure, A.SelectorParser_parse_closure, A.SelectorParser_parseCompoundSelector_closure, A.StylesheetParser_parse_closure, A.StylesheetParser_parse__closure, A.StylesheetParser_parseParameterList_closure, A.StylesheetParser_parseVariableDeclaration_closure, A.StylesheetParser_parseUseRule_closure, A.StylesheetParser__parseSingleProduction_closure, A.StylesheetParser__statement_closure, A.StylesheetParser_variableDeclarationWithoutNamespace_closure, A.StylesheetParser_variableDeclarationWithoutNamespace_closure0, A.StylesheetParser__declarationOrBuffer_closure, A.StylesheetParser__declarationOrBuffer_closure0, A.StylesheetParser__declarationOrBuffer_closure2, A.StylesheetParser__propertyOrVariableDeclaration_closure, A.StylesheetParser__forRule_closure, A.StylesheetParser__memberList_closure, A.StylesheetParser_mozDocumentRule_closure, A.StylesheetParser__expression_resetState, A.StylesheetParser__expression_resolveOneOperation, A.StylesheetParser__expression_resolveOperations, A.StylesheetParser__expression_resolveSpaceExpressions, A.StylesheetParser_expressionUntilComma_closure, A.StylesheetParser_interpolatedStringToken_closure, A.StylesheetParser_namespacedExpression_closure, A.StylesheetParser__interpolatedDeclarationValue_closure, A.StylesheetParser__expressionUntilComparison_closure, A.StylesheetParser__publicIdentifier_closure, A.StylesheetGraph_modifiedSince_transitiveModificationTime_closure, A.StylesheetGraph__add_closure, A.StylesheetGraph_addCanonical_closure, A.StylesheetGraph_reload_closure, A.StylesheetGraph__nodeFor_closure, A.StylesheetGraph__nodeFor_closure0, A.SassNumber__coerceOrConvertValue_compatibilityException, A.SassNumber__coerceOrConvertValue_closure0, A.SassNumber__coerceOrConvertValue_closure2, A.SassNumber_multiplyUnits_closure0, A.SassNumber_multiplyUnits_closure2, A.SingleUnitSassNumber_multiplyUnits_closure0, A._EvaluateVisitor__closure6, A._EvaluateVisitor__closure5, A._EvaluateVisitor_run_closure0, A._EvaluateVisitor_run__closure0, A._EvaluateVisitor__loadModule_closure1, A._EvaluateVisitor__loadModule_closure2, A._EvaluateVisitor__loadModule__closure2, A._EvaluateVisitor__execute_closure0, A._EvaluateVisitor__extendModules_closure2, A._EvaluateVisitor_visitAtRootRule_closure1, A._EvaluateVisitor_visitAtRootRule_closure2, A._EvaluateVisitor__scopeForAtRoot__closure0, A._EvaluateVisitor_visitContentRule_closure0, A._EvaluateVisitor_visitDeclaration_closure0, A._EvaluateVisitor_visitEachRule_closure4, A._EvaluateVisitor_visitAtRule_closure4, A._EvaluateVisitor_visitAtRule_closure5, A._EvaluateVisitor_visitAtRule__closure0, A._EvaluateVisitor_visitForRule_closure4, A._EvaluateVisitor_visitForRule_closure5, A._EvaluateVisitor_visitForRule_closure6, A._EvaluateVisitor_visitForRule_closure7, A._EvaluateVisitor_visitForRule_closure8, A._EvaluateVisitor__registerCommentsForModule_closure0, A._EvaluateVisitor_visitIfRule__closure0, A._EvaluateVisitor__visitDynamicImport_closure0, A._EvaluateVisitor__visitDynamicImport__closure6, A._EvaluateVisitor__applyMixin_closure1, A._EvaluateVisitor__applyMixin__closure2, A._EvaluateVisitor__applyMixin_closure2, A._EvaluateVisitor__applyMixin__closure1, A._EvaluateVisitor__applyMixin___closure0, A._EvaluateVisitor__applyMixin____closure0, A._EvaluateVisitor_visitIncludeRule_closure2, A._EvaluateVisitor_visitIncludeRule_closure4, A._EvaluateVisitor_visitMediaRule_closure3, A._EvaluateVisitor_visitMediaRule_closure5, A._EvaluateVisitor_visitMediaRule__closure0, A._EvaluateVisitor_visitMediaRule___closure0, A._EvaluateVisitor_visitStyleRule_closure3, A._EvaluateVisitor_visitStyleRule_closure6, A._EvaluateVisitor_visitStyleRule__closure0, A._EvaluateVisitor_visitSupportsRule_closure2, A._EvaluateVisitor_visitSupportsRule_closure3, A._EvaluateVisitor_visitSupportsRule__closure0, A._EvaluateVisitor__visitSupportsCondition_closure0, A._EvaluateVisitor_visitVariableDeclaration_closure2, A._EvaluateVisitor_visitVariableDeclaration_closure3, A._EvaluateVisitor_visitVariableDeclaration_closure4, A._EvaluateVisitor_visitWarnRule_closure0, A._EvaluateVisitor_visitWhileRule_closure0, A._EvaluateVisitor_visitBinaryOperationExpression_closure0, A._EvaluateVisitor_visitVariableExpression_closure0, A._EvaluateVisitor_visitUnaryOperationExpression_closure0, A._EvaluateVisitor_visitFunctionExpression_closure2, A._EvaluateVisitor_visitFunctionExpression_closure4, A._EvaluateVisitor__visitCalculationExpression_closure0, A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure0, A._EvaluateVisitor__runUserDefinedCallable_closure0, A._EvaluateVisitor__runUserDefinedCallable__closure0, A._EvaluateVisitor__runUserDefinedCallable___closure0, A._EvaluateVisitor__runFunctionCallable_closure0, A._EvaluateVisitor__runBuiltInCallable_closure2, A._EvaluateVisitor__runBuiltInCallable_closure3, A._EvaluateVisitor__verifyArguments_closure0, A._EvaluateVisitor_visitCssAtRule_closure2, A._EvaluateVisitor_visitCssAtRule_closure3, A._EvaluateVisitor_visitCssKeyframeBlock_closure1, A._EvaluateVisitor_visitCssMediaRule_closure3, A._EvaluateVisitor_visitCssMediaRule_closure5, A._EvaluateVisitor_visitCssMediaRule__closure0, A._EvaluateVisitor_visitCssMediaRule___closure0, A._EvaluateVisitor_visitCssStyleRule_closure2, A._EvaluateVisitor_visitCssStyleRule__closure0, A._EvaluateVisitor_visitCssSupportsRule_closure2, A._EvaluateVisitor_visitCssSupportsRule_closure3, A._EvaluateVisitor_visitCssSupportsRule__closure0, A._EvaluateVisitor__serialize_closure0, A._EvaluateVisitor__expressionNode_closure0, A._EvaluateVisitor__closure2, A._EvaluateVisitor__closure1, A._EvaluateVisitor_run_closure, A._EvaluateVisitor_run__closure, A._EvaluateVisitor_runExpression_closure, A._EvaluateVisitor_runExpression__closure, A._EvaluateVisitor_runExpression___closure, A._EvaluateVisitor_runStatement_closure, A._EvaluateVisitor_runStatement__closure, A._EvaluateVisitor_runStatement___closure, A._EvaluateVisitor__loadModule_closure, A._EvaluateVisitor__loadModule_closure0, A._EvaluateVisitor__loadModule__closure0, A._EvaluateVisitor__execute_closure, A._EvaluateVisitor__extendModules_closure0, A._EvaluateVisitor_visitAtRootRule_closure, A._EvaluateVisitor_visitAtRootRule_closure0, A._EvaluateVisitor__scopeForAtRoot__closure, A._EvaluateVisitor_visitContentRule_closure, A._EvaluateVisitor_visitDeclaration_closure, A._EvaluateVisitor_visitEachRule_closure1, A._EvaluateVisitor_visitAtRule_closure0, A._EvaluateVisitor_visitAtRule_closure1, A._EvaluateVisitor_visitAtRule__closure, A._EvaluateVisitor_visitForRule_closure, A._EvaluateVisitor_visitForRule_closure0, A._EvaluateVisitor_visitForRule_closure1, A._EvaluateVisitor_visitForRule_closure2, A._EvaluateVisitor_visitForRule_closure3, A._EvaluateVisitor__registerCommentsForModule_closure, A._EvaluateVisitor_visitIfRule__closure, A._EvaluateVisitor__visitDynamicImport_closure, A._EvaluateVisitor__visitDynamicImport__closure2, A._EvaluateVisitor__applyMixin_closure, A._EvaluateVisitor__applyMixin__closure0, A._EvaluateVisitor__applyMixin_closure0, A._EvaluateVisitor__applyMixin__closure, A._EvaluateVisitor__applyMixin___closure, A._EvaluateVisitor__applyMixin____closure, A._EvaluateVisitor_visitIncludeRule_closure, A._EvaluateVisitor_visitIncludeRule_closure1, A._EvaluateVisitor_visitMediaRule_closure, A._EvaluateVisitor_visitMediaRule_closure1, A._EvaluateVisitor_visitMediaRule__closure, A._EvaluateVisitor_visitMediaRule___closure, A._EvaluateVisitor_visitStyleRule_closure, A._EvaluateVisitor_visitStyleRule_closure2, A._EvaluateVisitor_visitStyleRule__closure, A._EvaluateVisitor_visitSupportsRule_closure, A._EvaluateVisitor_visitSupportsRule_closure0, A._EvaluateVisitor_visitSupportsRule__closure, A._EvaluateVisitor__visitSupportsCondition_closure, A._EvaluateVisitor_visitVariableDeclaration_closure, A._EvaluateVisitor_visitVariableDeclaration_closure0, A._EvaluateVisitor_visitVariableDeclaration_closure1, A._EvaluateVisitor_visitWarnRule_closure, A._EvaluateVisitor_visitWhileRule_closure, A._EvaluateVisitor_visitBinaryOperationExpression_closure, A._EvaluateVisitor_visitVariableExpression_closure, A._EvaluateVisitor_visitUnaryOperationExpression_closure, A._EvaluateVisitor_visitFunctionExpression_closure, A._EvaluateVisitor_visitFunctionExpression_closure1, A._EvaluateVisitor__visitCalculationExpression_closure, A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure, A._EvaluateVisitor__runUserDefinedCallable_closure, A._EvaluateVisitor__runUserDefinedCallable__closure, A._EvaluateVisitor__runUserDefinedCallable___closure, A._EvaluateVisitor__runFunctionCallable_closure, A._EvaluateVisitor__runBuiltInCallable_closure, A._EvaluateVisitor__runBuiltInCallable_closure0, A._EvaluateVisitor__verifyArguments_closure, A._EvaluateVisitor_visitCssAtRule_closure, A._EvaluateVisitor_visitCssAtRule_closure0, A._EvaluateVisitor_visitCssKeyframeBlock_closure, A._EvaluateVisitor_visitCssMediaRule_closure, A._EvaluateVisitor_visitCssMediaRule_closure1, A._EvaluateVisitor_visitCssMediaRule__closure, A._EvaluateVisitor_visitCssMediaRule___closure, A._EvaluateVisitor_visitCssStyleRule_closure0, A._EvaluateVisitor_visitCssStyleRule__closure, A._EvaluateVisitor_visitCssSupportsRule_closure, A._EvaluateVisitor_visitCssSupportsRule_closure0, A._EvaluateVisitor_visitCssSupportsRule__closure, A._EvaluateVisitor__serialize_closure, A._EvaluateVisitor__expressionNode_closure, A._SerializeVisitor_visitCssComment_closure, A._SerializeVisitor_visitCssAtRule_closure, A._SerializeVisitor_visitCssMediaRule_closure, A._SerializeVisitor_visitCssImport_closure, A._SerializeVisitor_visitCssImport__closure, A._SerializeVisitor_visitCssKeyframeBlock_closure, A._SerializeVisitor_visitCssStyleRule_closure, A._SerializeVisitor_visitCssSupportsRule_closure, A._SerializeVisitor_visitCssDeclaration_closure, A._SerializeVisitor_visitCssDeclaration_closure0, A._SerializeVisitor__write_closure, A._SerializeVisitor__visitChildren_closure, A._SerializeVisitor__visitChildren_closure0, A.SingleMapping_SingleMapping$fromEntries_closure, A.SingleMapping_SingleMapping$fromEntries_closure0, A.Highlighter_closure, A.Highlighter__writeFileStart_closure, A.Highlighter__writeMultilineHighlights_closure, A.Highlighter__writeMultilineHighlights_closure0, A.Highlighter__writeMultilineHighlights_closure1, A.Highlighter__writeMultilineHighlights_closure2, A.Highlighter__writeMultilineHighlights__closure, A.Highlighter__writeMultilineHighlights__closure0, A.Highlighter__writeHighlightedText_closure, A.Highlighter__writeIndicator_closure, A.Highlighter__writeIndicator_closure0, A.Highlighter__writeIndicator_closure1, A.Highlighter__writeLabel_closure, A.Highlighter__writeLabel_closure0, A.Highlighter__writeSidebar_closure, A._Highlight_closure, A.Frame_Frame$parseVM_closure, A.Frame_Frame$parseV8_closure, A.Frame_Frame$_parseFirefoxEval_closure, A.Frame_Frame$parseFirefox_closure, A.Frame_Frame$parseFriendly_closure, A.LazyTrace_terse_closure, A.Trace_Trace$from_closure, A.TransformByHandlers_transformByHandlers_closure, A.TransformByHandlers_transformByHandlers__closure0, A.TransformByHandlers_transformByHandlers__closure2, A.RateLimit__debounceAggregate_closure_emit, A.RateLimit__debounceAggregate__closure, A.argumentListClass_closure, A.JSToDartAsyncImporter_canonicalize_closure, A.JSToDartAsyncImporter_load_closure, A.AsyncEnvironment_setVariable_closure2, A.AsyncEnvironment_setVariable_closure4, A._EvaluateVisitor__closure14, A._EvaluateVisitor__closure13, A._EvaluateVisitor_run_closure2, A._EvaluateVisitor_run__closure2, A._EvaluateVisitor__loadModule_closure5, A._EvaluateVisitor__loadModule_closure6, A._EvaluateVisitor__loadModule__closure6, A._EvaluateVisitor__execute_closure2, A._EvaluateVisitor__extendModules_closure6, A._EvaluateVisitor_visitAtRootRule_closure5, A._EvaluateVisitor_visitAtRootRule_closure6, A._EvaluateVisitor__scopeForAtRoot__closure2, A._EvaluateVisitor_visitContentRule_closure2, A._EvaluateVisitor_visitDeclaration_closure2, A._EvaluateVisitor_visitEachRule_closure10, A._EvaluateVisitor_visitAtRule_closure12, A._EvaluateVisitor_visitAtRule_closure13, A._EvaluateVisitor_visitAtRule__closure2, A._EvaluateVisitor_visitForRule_closure14, A._EvaluateVisitor_visitForRule_closure15, A._EvaluateVisitor_visitForRule_closure16, A._EvaluateVisitor_visitForRule_closure17, A._EvaluateVisitor_visitForRule_closure18, A._EvaluateVisitor__registerCommentsForModule_closure2, A._EvaluateVisitor_visitIfRule__closure2, A._EvaluateVisitor__visitDynamicImport_closure2, A._EvaluateVisitor__visitDynamicImport__closure14, A._EvaluateVisitor__applyMixin_closure5, A._EvaluateVisitor__applyMixin__closure6, A._EvaluateVisitor__applyMixin_closure6, A._EvaluateVisitor__applyMixin__closure5, A._EvaluateVisitor__applyMixin___closure2, A._EvaluateVisitor__applyMixin____closure2, A._EvaluateVisitor_visitIncludeRule_closure8, A._EvaluateVisitor_visitIncludeRule_closure10, A._EvaluateVisitor_visitMediaRule_closure11, A._EvaluateVisitor_visitMediaRule_closure13, A._EvaluateVisitor_visitMediaRule__closure2, A._EvaluateVisitor_visitMediaRule___closure2, A._EvaluateVisitor_visitStyleRule_closure11, A._EvaluateVisitor_visitStyleRule_closure14, A._EvaluateVisitor_visitStyleRule__closure2, A._EvaluateVisitor_visitSupportsRule_closure8, A._EvaluateVisitor_visitSupportsRule_closure9, A._EvaluateVisitor_visitSupportsRule__closure2, A._EvaluateVisitor__visitSupportsCondition_closure2, A._EvaluateVisitor_visitVariableDeclaration_closure8, A._EvaluateVisitor_visitVariableDeclaration_closure9, A._EvaluateVisitor_visitVariableDeclaration_closure10, A._EvaluateVisitor_visitWarnRule_closure2, A._EvaluateVisitor_visitWhileRule_closure2, A._EvaluateVisitor_visitBinaryOperationExpression_closure2, A._EvaluateVisitor_visitVariableExpression_closure2, A._EvaluateVisitor_visitUnaryOperationExpression_closure2, A._EvaluateVisitor_visitFunctionExpression_closure8, A._EvaluateVisitor_visitFunctionExpression_closure10, A._EvaluateVisitor__visitCalculationExpression_closure2, A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure2, A._EvaluateVisitor__runUserDefinedCallable_closure2, A._EvaluateVisitor__runUserDefinedCallable__closure2, A._EvaluateVisitor__runUserDefinedCallable___closure2, A._EvaluateVisitor__runFunctionCallable_closure2, A._EvaluateVisitor__runBuiltInCallable_closure8, A._EvaluateVisitor__runBuiltInCallable_closure9, A._EvaluateVisitor__verifyArguments_closure2, A._EvaluateVisitor_visitCssAtRule_closure8, A._EvaluateVisitor_visitCssAtRule_closure9, A._EvaluateVisitor_visitCssKeyframeBlock_closure5, A._EvaluateVisitor_visitCssMediaRule_closure11, A._EvaluateVisitor_visitCssMediaRule_closure13, A._EvaluateVisitor_visitCssMediaRule__closure2, A._EvaluateVisitor_visitCssMediaRule___closure2, A._EvaluateVisitor_visitCssStyleRule_closure6, A._EvaluateVisitor_visitCssStyleRule__closure2, A._EvaluateVisitor_visitCssSupportsRule_closure8, A._EvaluateVisitor_visitCssSupportsRule_closure9, A._EvaluateVisitor_visitCssSupportsRule__closure2, A._EvaluateVisitor__serialize_closure2, A._EvaluateVisitor__expressionNode_closure2, A.JSToDartAsyncFileImporter_canonicalize_closure, A.AsyncImportCache_canonicalize_closure0, A.AsyncImportCache__canonicalize_closure0, A.AsyncImportCache_importCanonical_closure0, A.AtRootQueryParser_parse_closure0, A.booleanClass_closure, A.legacyBooleanClass_closure, A.calculationClass_closure, A.calculationOperationClass_closure, A.calculationInterpolationClass_closure, A._changeColor_closure0, A.colorClass_closure, A.compileAsync_closure, A.compileStringAsync_closure, A._parseFunctions___closure6, A._parseFunctions___closure5, A.nodePackageImporterClass_closure, A.compilerClass_closure, A.asyncCompilerClass_closure, A.asyncCompilerClass___closure, A.initAsyncCompiler_closure, A.deprecations_closure, A.parseDeprecations_closure, A.versionClass_closure, A.Environment_setVariable_closure2, A.Environment_setVariable_closure4, A._EvaluateVisitor__closure10, A._EvaluateVisitor__closure9, A._EvaluateVisitor_run_closure1, A._EvaluateVisitor_run__closure1, A._EvaluateVisitor__loadModule_closure3, A._EvaluateVisitor__loadModule_closure4, A._EvaluateVisitor__loadModule__closure4, A._EvaluateVisitor__execute_closure1, A._EvaluateVisitor__extendModules_closure4, A._EvaluateVisitor_visitAtRootRule_closure3, A._EvaluateVisitor_visitAtRootRule_closure4, A._EvaluateVisitor__scopeForAtRoot__closure1, A._EvaluateVisitor_visitContentRule_closure1, A._EvaluateVisitor_visitDeclaration_closure1, A._EvaluateVisitor_visitEachRule_closure7, A._EvaluateVisitor_visitAtRule_closure8, A._EvaluateVisitor_visitAtRule_closure9, A._EvaluateVisitor_visitAtRule__closure1, A._EvaluateVisitor_visitForRule_closure9, A._EvaluateVisitor_visitForRule_closure10, A._EvaluateVisitor_visitForRule_closure11, A._EvaluateVisitor_visitForRule_closure12, A._EvaluateVisitor_visitForRule_closure13, A._EvaluateVisitor__registerCommentsForModule_closure1, A._EvaluateVisitor_visitIfRule__closure1, A._EvaluateVisitor__visitDynamicImport_closure1, A._EvaluateVisitor__visitDynamicImport__closure10, A._EvaluateVisitor__applyMixin_closure3, A._EvaluateVisitor__applyMixin__closure4, A._EvaluateVisitor__applyMixin_closure4, A._EvaluateVisitor__applyMixin__closure3, A._EvaluateVisitor__applyMixin___closure1, A._EvaluateVisitor__applyMixin____closure1, A._EvaluateVisitor_visitIncludeRule_closure5, A._EvaluateVisitor_visitIncludeRule_closure7, A._EvaluateVisitor_visitMediaRule_closure7, A._EvaluateVisitor_visitMediaRule_closure9, A._EvaluateVisitor_visitMediaRule__closure1, A._EvaluateVisitor_visitMediaRule___closure1, A._EvaluateVisitor_visitStyleRule_closure7, A._EvaluateVisitor_visitStyleRule_closure10, A._EvaluateVisitor_visitStyleRule__closure1, A._EvaluateVisitor_visitSupportsRule_closure5, A._EvaluateVisitor_visitSupportsRule_closure6, A._EvaluateVisitor_visitSupportsRule__closure1, A._EvaluateVisitor__visitSupportsCondition_closure1, A._EvaluateVisitor_visitVariableDeclaration_closure5, A._EvaluateVisitor_visitVariableDeclaration_closure6, A._EvaluateVisitor_visitVariableDeclaration_closure7, A._EvaluateVisitor_visitWarnRule_closure1, A._EvaluateVisitor_visitWhileRule_closure1, A._EvaluateVisitor_visitBinaryOperationExpression_closure1, A._EvaluateVisitor_visitVariableExpression_closure1, A._EvaluateVisitor_visitUnaryOperationExpression_closure1, A._EvaluateVisitor_visitFunctionExpression_closure5, A._EvaluateVisitor_visitFunctionExpression_closure7, A._EvaluateVisitor__visitCalculationExpression_closure1, A._EvaluateVisitor_visitInterpolatedFunctionExpression_closure1, A._EvaluateVisitor__runUserDefinedCallable_closure1, A._EvaluateVisitor__runUserDefinedCallable__closure1, A._EvaluateVisitor__runUserDefinedCallable___closure1, A._EvaluateVisitor__runFunctionCallable_closure1, A._EvaluateVisitor__runBuiltInCallable_closure5, A._EvaluateVisitor__runBuiltInCallable_closure6, A._EvaluateVisitor__verifyArguments_closure1, A._EvaluateVisitor_visitCssAtRule_closure5, A._EvaluateVisitor_visitCssAtRule_closure6, A._EvaluateVisitor_visitCssKeyframeBlock_closure3, A._EvaluateVisitor_visitCssMediaRule_closure7, A._EvaluateVisitor_visitCssMediaRule_closure9, A._EvaluateVisitor_visitCssMediaRule__closure1, A._EvaluateVisitor_visitCssMediaRule___closure1, A._EvaluateVisitor_visitCssStyleRule_closure4, A._EvaluateVisitor_visitCssStyleRule__closure1, A._EvaluateVisitor_visitCssSupportsRule_closure5, A._EvaluateVisitor_visitCssSupportsRule_closure6, A._EvaluateVisitor_visitCssSupportsRule__closure1, A._EvaluateVisitor__serialize_closure1, A._EvaluateVisitor__expressionNode_closure1, A.exceptionClass_closure, A.ExtensionStore__registerSelector_closure0, A.ExtensionStore_addExtension_closure2, A.ExtensionStore_addExtension_closure3, A.ExtensionStore_addExtension_closure4, A.ExtensionStore__extendExistingExtensions_closure1, A.ExtensionStore__extendExistingExtensions_closure2, A.ExtensionStore_addExtensions_closure0, A.ExtensionStore_clone__closure0, A.JSToDartFileImporter_canonicalize_closure, A.functionClass_closure, A.IfConditionOperation_toInterpolation_closure0, A.NodeImporter_load_closure, A.NodeImporter__tryPath_closure, A.NodeImporter__callImporterAsync_closure, A.ImportCache_canonicalize_closure0, A.ImportCache__canonicalize_closure0, A.ImportCache_importCanonical_closure0, A._realCasePath_helper_closure0, A._readFile_closure0, A.fileExists_closure0, A.dirExists_closure0, A.linkExists_closure0, A.listDir_closure0, A.realpath_closure0, A.JSToDartLogger_internalWarn_closure, A.JSToDartLogger_debug_closure, A.KeyframeSelectorParser_parse_closure0, A.render_closure, A._parseFunctions____closure, A._parseFunctions___closure3, A._parseFunctions___closure4, A._parseFunctions___closure1, A._parseFunctions___closure0, A._parseImporter____closure, A._parseImporter___closure0, A.listClass_closure, A.mapClass_closure, A.MediaQueryParser_parse_closure0, A.mixinClass_closure, A.legacyNullClass_closure, A.numberClass_closure, A.SassNumber__coerceOrConvertValue_compatibilityException0, A.SassNumber__coerceOrConvertValue_closure4, A.SassNumber__coerceOrConvertValue_closure6, A.SassNumber_multiplyUnits_closure4, A.SassNumber_multiplyUnits_closure6, A._updateLazyFileSpanPrototype_closure, A.Parser__parseIdentifier_closure0, A.Parser_spanFrom_closure0, A.Parser_spanFromPosition_closure0, A.PseudoSelector_specificity_closure0, A.SassParser_children_closure0, A.SelectorParser_parse_closure0, A.SelectorParser_parseCompoundSelector_closure0, A._SerializeVisitor_visitCssComment_closure0, A._SerializeVisitor_visitCssAtRule_closure0, A._SerializeVisitor_visitCssMediaRule_closure0, A._SerializeVisitor_visitCssImport_closure0, A._SerializeVisitor_visitCssImport__closure0, A._SerializeVisitor_visitCssKeyframeBlock_closure0, A._SerializeVisitor_visitCssStyleRule_closure0, A._SerializeVisitor_visitCssSupportsRule_closure0, A._SerializeVisitor_visitCssDeclaration_closure1, A._SerializeVisitor_visitCssDeclaration_closure2, A._SerializeVisitor__write_closure0, A._SerializeVisitor__visitChildren_closure1, A._SerializeVisitor__visitChildren_closure2, A.SingleUnitSassNumber_multiplyUnits_closure2, A.updateSourceSpanPrototype_closure, A.stringClass_closure, A.StylesheetParser_parse_closure0, A.StylesheetParser_parse__closure0, A.StylesheetParser_parseParameterList_closure0, A.StylesheetParser__parseSingleProduction_closure0, A.StylesheetParser_parseSignature_closure, A.StylesheetParser__statement_closure0, A.StylesheetParser_variableDeclarationWithoutNamespace_closure1, A.StylesheetParser_variableDeclarationWithoutNamespace_closure2, A.StylesheetParser__declarationOrBuffer_closure3, A.StylesheetParser__declarationOrBuffer_closure4, A.StylesheetParser__declarationOrBuffer_closure6, A.StylesheetParser__propertyOrVariableDeclaration_closure0, A.StylesheetParser__forRule_closure1, A.StylesheetParser__memberList_closure0, A.StylesheetParser_mozDocumentRule_closure1, A.StylesheetParser__expression_resetState0, A.StylesheetParser__expression_resolveOneOperation0, A.StylesheetParser__expression_resolveOperations0, A.StylesheetParser__expression_resolveSpaceExpressions0, A.StylesheetParser_expressionUntilComma_closure0, A.StylesheetParser_interpolatedStringToken_closure0, A.StylesheetParser_namespacedExpression_closure0, A.StylesheetParser__interpolatedDeclarationValue_closure0, A.StylesheetParser__expressionUntilComparison_closure0, A.StylesheetParser__publicIdentifier_closure0, A.JSToDartImporter_canonicalize_closure, A.JSToDartImporter_load_closure, A.resolveImportPath_closure1, A.resolveImportPath_closure2, A._tryPathAsDirectory_closure0, A.valueClass_closure]);
  	    _inheritMany(A.EfficientLengthIterable, [A.ListIterable, A.EmptyIterable, A.LinkedHashMapKeysIterable, A.LinkedHashMapValuesIterable, A.LinkedHashMapEntriesIterable, A._HashMapKeyIterable, A._MapBaseValueIterable]);
  	    _inheritMany(A.ListIterable, [A.SubListIterable, A.MappedListIterable, A.ReversedListIterable, A.ListQueue, A._JsonMapKeyIterable, A._GeneratorIterable]);
  	    _inherit(A.EfficientLengthMappedIterable, A.MappedIterable);
  	    _inherit(A.EfficientLengthTakeIterable, A.TakeIterable);
  	    _inherit(A.EfficientLengthSkipIterable, A.SkipIterable);
  	    _inherit(A.EfficientLengthFollowedByIterable, A.FollowedByIterable);
  	    _inheritMany(A._Record, [A._Record1, A._Record2, A._Record3, A._RecordN]);
  	    _inherit(A._Record_1, A._Record1);
  	    _inheritMany(A._Record2, [A._Record_2, A._Record_2_forImport, A._Record_2_imports_modules, A._Record_2_loadedUrls_stylesheet, A._Record_2_sourceMap]);
  	    _inheritMany(A._Record3, [A._Record_3, A._Record_3_deprecation_message_span, A._Record_3_forImport, A._Record_3_importer_isDependency, A._Record_3_originalUrl]);
  	    _inherit(A._Record_5_named_namedNodes_positional_positionalNodes_separator, A._RecordN);
  	    _inheritMany(A.MapView, [A._UnmodifiableMapView_MapView__UnmodifiableMapMixin, A.PathMap]);
  	    _inherit(A.UnmodifiableMapView, A._UnmodifiableMapView_MapView__UnmodifiableMapMixin);
  	    _inherit(A.ConstantMapView, A.UnmodifiableMapView);
  	    _inherit(A.ConstantStringMap, A.ConstantMap);
  	    _inheritMany(A.SetBase, [A.ConstantSet, A._SetBase, A._UnmodifiableSetView_SetBase__UnmodifiableSetMixin, A._UnionSet_SetBase_UnmodifiableSetMixin]);
  	    _inheritMany(A.ConstantSet, [A.ConstantStringSet, A.GeneralConstantSet]);
  	    _inherit(A.Instantiation1, A.Instantiation);
  	    _inherit(A.NullError, A.TypeError);
  	    _inheritMany(A.TearOffClosure, [A.StaticClosure, A.BoundClosure]);
  	    _inheritMany(A.JsLinkedHashMap, [A.JsIdentityLinkedHashMap, A.JsConstantLinkedHashMap, A._LinkedCustomHashMap]);
  	    _inheritMany(A.NativeTypedData, [A.NativeByteData, A.NativeTypedArray]);
  	    _inheritMany(A.NativeTypedArray, [A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin, A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin]);
  	    _inherit(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin, A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin);
  	    _inherit(A.NativeTypedArrayOfDouble, A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin);
  	    _inherit(A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin, A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin);
  	    _inherit(A.NativeTypedArrayOfInt, A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin);
  	    _inheritMany(A.NativeTypedArrayOfDouble, [A.NativeFloat32List, A.NativeFloat64List]);
  	    _inheritMany(A.NativeTypedArrayOfInt, [A.NativeInt16List, A.NativeInt32List, A.NativeInt8List, A.NativeUint16List, A.NativeUint32List, A.NativeUint8ClampedList, A.NativeUint8List]);
  	    _inherit(A._TypeError, A._Error);
  	    _inheritMany(A._Completer, [A._AsyncCompleter, A._SyncCompleter]);
  	    _inheritMany(A._StreamController, [A._AsyncStreamController, A._SyncStreamController]);
  	    _inheritMany(A.Stream, [A._StreamImpl, A._ForwardingStream, A._CompleterStream]);
  	    _inherit(A._ControllerStream, A._StreamImpl);
  	    _inheritMany(A._BufferingStreamSubscription, [A._ControllerSubscription, A._ForwardingStreamSubscription]);
  	    _inherit(A._StreamControllerAddStreamState, A._AddStreamState);
  	    _inheritMany(A._DelayedEvent, [A._DelayedData, A._DelayedError]);
  	    _inherit(A._MapStream, A._ForwardingStream);
  	    _inheritMany(A._Zone, [A._CustomZone, A._RootZone]);
  	    _inherit(A._IdentityHashMap, A._HashMap);
  	    _inherit(A._LinkedHashSet, A._SetBase);
  	    _inherit(A._LinkedIdentityHashSet, A._LinkedHashSet);
  	    _inherit(A.UnmodifiableSetView, A._UnmodifiableSetView_SetBase__UnmodifiableSetMixin);
  	    _inheritMany(A.Codec, [A.Encoding, A.Base64Codec, A.JsonCodec]);
  	    _inheritMany(A.Encoding, [A.AsciiCodec, A.Utf8Codec]);
  	    _inheritMany(A.Converter, [A._UnicodeSubsetEncoder, A.Base64Encoder, A.JsonEncoder, A.JsonDecoder, A.Utf8Encoder, A.Utf8Decoder]);
  	    _inherit(A.AsciiEncoder, A._UnicodeSubsetEncoder);
  	    _inheritMany(A.ByteConversionSink, [A._Base64EncoderSink, A._Utf8StringSinkAdapter]);
  	    _inherit(A._Utf8Base64EncoderSink, A._Base64EncoderSink);
  	    _inherit(A.JsonCyclicError, A.JsonUnsupportedObjectError);
  	    _inherit(A._JsonStringStringifier, A._JsonStringifier);
  	    _inherit(A._StringSinkConversionSink, A.StringConversionSink);
  	    _inherit(A._StringCallbackSink, A._StringSinkConversionSink);
  	    _inheritMany(A.ArgumentError, [A.RangeError, A.IndexError]);
  	    _inherit(A._DataUri, A._Uri);
  	    _inherit(A.ArgParserException, A.FormatException);
  	    _inherit(A.EmptyUnmodifiableSet, A._EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin);
  	    _inherit(A.QueueList, A._QueueList_Object_ListMixin);
  	    _inherit(A._CastQueueList, A.QueueList);
  	    _inherit(A.UnionSet, A._UnionSet_SetBase_UnmodifiableSetMixin);
  	    _inheritMany(A._DelegatingIterableBase, [A.DelegatingSet, A._MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin]);
  	    _inherit(A._UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin, A.DelegatingSet);
  	    _inherit(A.UnmodifiableSetView0, A._UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin);
  	    _inherit(A.MapKeySet, A._MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin);
  	    _inheritMany(A.NodeJsError, [A.JsAssertionError, A.JsRangeError, A.JsReferenceError, A.JsSyntaxError, A.JsTypeError, A.JsSystemError]);
  	    _inheritMany(A.Socket, [A.TTYReadStream, A.TTYWriteStream]);
  	    _inherit(A.InternalStyle, A.Style);
  	    _inheritMany(A.InternalStyle, [A.PosixStyle, A.UrlStyle, A.WindowsStyle]);
  	    _inheritMany(A._Enum, [A._SingletonCssMediaQueryMergeResult, A.BooleanOperator, A.BinaryOperator, A.UnaryOperator, A.AttributeOperator, A.Combinator, A.Deprecation, A.ExtendMode, A.Syntax, A.CalculationOperator, A.HueInterpolationMethod, A.ListSeparator, A.OutputStyle, A.LineFeed, A.AttributeOperator0, A.BinaryOperator0, A.BooleanOperator0, A.CalculationOperator0, A.Combinator0, A.Deprecation0, A.HueInterpolationMethod0, A.ListSeparator0, A._SingletonCssMediaQueryMergeResult0, A.ExtendMode0, A.OutputStyle0, A.LineFeed0, A.Syntax0, A.UnaryOperator0]);
  	    _inheritMany(A.CssNode, [A.ModifiableCssNode, A.CssParentNode]);
  	    _inheritMany(A.ModifiableCssNode, [A.ModifiableCssParentNode, A.ModifiableCssComment, A.ModifiableCssDeclaration, A.ModifiableCssImport]);
  	    _inheritMany(A.ModifiableCssParentNode, [A.ModifiableCssAtRule, A.ModifiableCssKeyframeBlock, A.ModifiableCssMediaRule, A.ModifiableCssStyleRule, A.ModifiableCssStylesheet, A.ModifiableCssSupportsRule]);
  	    _inherit(A._IsInvisibleVisitor, A.__IsInvisibleVisitor_Object_EveryCssVisitor);
  	    _inherit(A.CssStylesheet, A.CssParentNode);
  	    _inheritMany(A.Expression, [A.BinaryOperationExpression, A.BooleanExpression, A.ColorExpression, A.FunctionExpression, A.IfExpression, A.InterpolatedFunctionExpression, A.LegacyIfExpression, A.ListExpression, A.MapExpression, A.NullExpression, A.NumberExpression, A.ParenthesizedExpression, A.SelectorExpression, A.StringExpression, A.SupportsExpression, A.UnaryOperationExpression, A.ValueExpression, A.VariableExpression]);
  	    _inheritMany(A.IfConditionExpression, [A.IfConditionParenthesized, A.IfConditionNegation, A.IfConditionOperation, A.IfConditionFunction, A.IfConditionSass, A.IfConditionRaw]);
  	    _inheritMany(A.Statement, [A.ParentStatement, A.ContentRule, A.DebugRule, A.ErrorRule, A.ExtendRule, A.ForwardRule, A.IfRule, A.ImportRule, A.IncludeRule, A.LoudComment, A.ReturnRule, A.SilentComment, A.UseRule, A.VariableDeclaration, A.WarnRule]);
  	    _inheritMany(A.ParentStatement, [A.AtRootRule, A.AtRule, A.CallableDeclaration, A.Declaration, A.EachRule, A.ForRule, A.MediaRule, A.StyleRule, A.Stylesheet, A.SupportsRule, A.WhileRule]);
  	    _inheritMany(A.CallableDeclaration, [A.ContentBlock, A.FunctionRule, A.MixinRule]);
  	    _inheritMany(A.IfRuleClause, [A.IfClause, A.ElseClause]);
  	    _inherit(A._HasContentVisitor, A.__HasContentVisitor_Object_StatementSearchVisitor);
  	    _inherit(A._IsInvisibleVisitor0, A.__IsInvisibleVisitor_Object_AnySelectorVisitor);
  	    _inherit(A._IsBogusVisitor, A.__IsBogusVisitor_Object_AnySelectorVisitor);
  	    _inherit(A._IsUselessVisitor, A.__IsUselessVisitor_Object_AnySelectorVisitor);
  	    _inherit(A._ContainsParentSelectorVisitor, A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor);
  	    _inheritMany(A.Selector, [A.SimpleSelector, A.ComplexSelector, A.CompoundSelector, A.SelectorList]);
  	    _inheritMany(A.SimpleSelector, [A.AttributeSelector, A.ClassSelector, A.IDSelector, A.ParentSelector, A.PlaceholderSelector, A.PseudoSelector, A.TypeSelector, A.UniversalSelector]);
  	    _inherit(A._ParentSelectorVisitor, A.__ParentSelectorVisitor_Object_SelectorSearchVisitor);
  	    _inherit(A.ExplicitConfiguration, A.Configuration);
  	    _inheritMany(A.SourceSpanException, [A.SassException, A.SourceSpanFormatException, A.MultiSourceSpanException, A.SassException0]);
  	    _inheritMany(A.SassException, [A.MultiSpanSassException, A.SassRuntimeException, A.SassFormatException]);
  	    _inheritMany(A.MultiSpanSassException, [A.MultiSpanSassRuntimeException, A.MultiSpanSassFormatException]);
  	    _inherit(A.MultiSpanSassScriptException, A.SassScriptException);
  	    _inherit(A.MergedExtension, A.Extension);
  	    _inherit(A.Importer, A.AsyncImporter);
  	    _inheritMany(A.Importer, [A.FilesystemImporter, A.NoOpImporter, A.NodePackageImporter]);
  	    _inheritMany(A.LoggerWithDeprecationType, [A.DefaultLogger, A.DeprecationProcessingLogger, A.StderrLogger]);
  	    _inheritMany(A.Parser, [A.AtRootQueryParser, A.StylesheetParser, A.KeyframeSelectorParser, A.MediaQueryParser, A.SelectorParser]);
  	    _inheritMany(A.StylesheetParser, [A.ScssParser, A.SassParser]);
  	    _inherit(A.CssParser, A.ScssParser);
  	    _inheritMany(A.UnmodifiableMapBase, [A.LimitedMapView, A.PrefixedMapView, A.PublicMemberMapView, A.UnprefixedMapView, A.LimitedMapView0, A.PrefixedMapView0, A.PublicMemberMapView0, A.UnprefixedMapView0]);
  	    _inheritMany(A.Value, [A.SassList, A.SassBoolean, A.SassCalculation, A.SassColor, A.SassFunction, A.SassMap, A.SassMixin, A._SassNull, A.SassNumber, A.SassString]);
  	    _inherit(A.SassArgumentList, A.SassList);
  	    _inherit(A.LinearChannel, A.ColorChannel);
  	    _inheritMany(A.GamutMapMethod, [A.ClipGamutMap, A.LocalMindeGamutMap]);
  	    _inheritMany(A.ColorSpace, [A.A98RgbColorSpace, A.DisplayP3ColorSpace, A.DisplayP3LinearColorSpace, A.HslColorSpace, A.HwbColorSpace, A.LabColorSpace, A.LchColorSpace, A.LmsColorSpace, A.OklabColorSpace, A.OklchColorSpace, A.ProphotoRgbColorSpace, A.Rec2020ColorSpace, A.RgbColorSpace, A.SrgbColorSpace, A.SrgbLinearColorSpace, A.XyzD50ColorSpace, A.XyzD65ColorSpace]);
  	    _inheritMany(A.SassNumber, [A.ComplexSassNumber, A.SingleUnitSassNumber, A.UnitlessSassNumber]);
  	    _inherit(A._MakeExpressionCalculationSafe, A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor);
  	    _inherit(A._FindDependenciesVisitor, A.__FindDependenciesVisitor_Object_RecursiveStatementVisitor);
  	    _inherit(A.SingleMapping, A.Mapping);
  	    _inherit(A.FileLocation, A.SourceLocationMixin);
  	    _inheritMany(A.SourceSpanMixin, [A._FileSpan, A.SourceSpanBase]);
  	    _inherit(A.MultiSourceSpanFormatException, A.MultiSourceSpanException);
  	    _inherit(A.SourceSpanWithContext, A.SourceSpanBase);
  	    _inherit(A.StringScannerException, A.SourceSpanFormatException);
  	    _inheritMany(A.StringScanner, [A.LineScanner, A.SpanScanner]);
  	    _inheritMany(A.ColorSpace0, [A.A98RgbColorSpace0, A.DisplayP3ColorSpace0, A.DisplayP3LinearColorSpace0, A.HslColorSpace0, A.HwbColorSpace0, A.LabColorSpace0, A.LchColorSpace0, A.LmsColorSpace0, A.OklabColorSpace0, A.OklchColorSpace0, A.ProphotoRgbColorSpace0, A.Rec2020ColorSpace0, A.RgbColorSpace0, A.SrgbColorSpace0, A.SrgbLinearColorSpace0, A.XyzD50ColorSpace0, A.XyzD65ColorSpace0]);
  	    _inheritMany(A.Value0, [A.SassList0, A.SassBoolean0, A.SassCalculation0, A.SassColor0, A.SassNumber0, A.SassFunction0, A.SassMap0, A.SassMixin0, A._SassNull0, A.SassString0]);
  	    _inherit(A.SassArgumentList0, A.SassList0);
  	    _inheritMany(A.AsyncImporter0, [A.JSToDartAsyncImporter, A.JSToDartAsyncFileImporter, A.Importer0]);
  	    _inheritMany(A.Parser1, [A.AtRootQueryParser0, A.StylesheetParser0, A.KeyframeSelectorParser0, A.MediaQueryParser0, A.SelectorParser0]);
  	    _inheritMany(A.Statement0, [A.ParentStatement0, A.ContentRule0, A.DebugRule0, A.ErrorRule0, A.ExtendRule0, A.ForwardRule0, A.IfRule0, A.ImportRule0, A.IncludeRule0, A.LoudComment0, A.ReturnRule0, A.SilentComment0, A.UseRule0, A.VariableDeclaration0, A.WarnRule0]);
  	    _inheritMany(A.ParentStatement0, [A.AtRootRule0, A.AtRule0, A.CallableDeclaration0, A.Declaration0, A.EachRule0, A.ForRule0, A.MediaRule0, A.StyleRule0, A.Stylesheet0, A.SupportsRule0, A.WhileRule0]);
  	    _inheritMany(A.CssNode0, [A.ModifiableCssNode0, A.CssParentNode0]);
  	    _inheritMany(A.ModifiableCssNode0, [A.ModifiableCssParentNode0, A.ModifiableCssComment0, A.ModifiableCssDeclaration0, A.ModifiableCssImport0]);
  	    _inheritMany(A.ModifiableCssParentNode0, [A.ModifiableCssAtRule0, A.ModifiableCssKeyframeBlock0, A.ModifiableCssMediaRule0, A.ModifiableCssStyleRule0, A.ModifiableCssStylesheet0, A.ModifiableCssSupportsRule0]);
  	    _inheritMany(A.InterpolatedSelector, [A.InterpolatedSimpleSelector, A.InterpolatedComplexSelector, A.InterpolatedCompoundSelector, A.InterpolatedSelectorList]);
  	    _inheritMany(A.InterpolatedSimpleSelector, [A.InterpolatedAttributeSelector, A.InterpolatedClassSelector, A.InterpolatedIDSelector, A.InterpolatedParentSelector, A.InterpolatedPlaceholderSelector, A.InterpolatedPseudoSelector, A.InterpolatedTypeSelector, A.InterpolatedUniversalSelector]);
  	    _inheritMany(A.Selector0, [A.SimpleSelector0, A.ComplexSelector0, A.CompoundSelector0, A.SelectorList0]);
  	    _inheritMany(A.SimpleSelector0, [A.AttributeSelector0, A.ClassSelector0, A.IDSelector0, A.ParentSelector0, A.PlaceholderSelector0, A.PseudoSelector0, A.TypeSelector0, A.UniversalSelector0]);
  	    _inheritMany(A.Expression0, [A.BinaryOperationExpression0, A.BooleanExpression0, A.ColorExpression0, A.FunctionExpression0, A.IfExpression0, A.InterpolatedFunctionExpression0, A.LegacyIfExpression0, A.ListExpression0, A.MapExpression0, A.NullExpression0, A.NumberExpression0, A.ParenthesizedExpression0, A.SelectorExpression0, A.StringExpression0, A.SupportsExpression0, A.UnaryOperationExpression0, A.ValueExpression0, A.VariableExpression0]);
  	    _inherit(A.LinearChannel0, A.ColorChannel0);
  	    _inheritMany(A.GamutMapMethod0, [A.ClipGamutMap0, A.LocalMindeGamutMap0]);
  	    _inherit(A._ConstructionOptions, A._Channels);
  	    _inherit(A.CompileStringOptions, A.CompileOptions);
  	    _inherit(A.AsyncCompiler, A.Compiler);
  	    _inheritMany(A.SassNumber0, [A.ComplexSassNumber0, A.SingleUnitSassNumber0, A.UnitlessSassNumber0]);
  	    _inherit(A.ExplicitConfiguration0, A.Configuration0);
  	    _inheritMany(A.CallableDeclaration0, [A.ContentBlock0, A.FunctionRule0, A.MixinRule0]);
  	    _inheritMany(A.StylesheetParser0, [A.ScssParser0, A.SassParser0]);
  	    _inherit(A.CssParser0, A.ScssParser0);
  	    _inheritMany(A.LoggerWithDeprecationType0, [A.DefaultLogger0, A.DeprecationProcessingLogger0, A.JSToDartLogger, A.StderrLogger0]);
  	    _inherit(A._NodeException, A.JsError);
  	    _inheritMany(A.SassException0, [A.MultiSpanSassException0, A.SassRuntimeException0, A.SassFormatException0]);
  	    _inheritMany(A.MultiSpanSassException0, [A.MultiSpanSassRuntimeException0, A.MultiSpanSassFormatException0]);
  	    _inherit(A.MultiSpanSassScriptException0, A.SassScriptException0);
  	    _inherit(A._MakeExpressionCalculationSafe0, A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0);
  	    _inheritMany(A.Importer0, [A.JSToDartFileImporter, A.FilesystemImporter0, A.NoOpImporter0, A.NodePackageImporter0, A.JSToDartImporter]);
  	    _inheritMany(A.IfConditionExpression0, [A.IfConditionParenthesized0, A.IfConditionNegation0, A.IfConditionOperation0, A.IfConditionFunction0, A.IfConditionSass0, A.IfConditionRaw0]);
  	    _inheritMany(A.IfRuleClause0, [A.IfClause0, A.ElseClause0]);
  	    _inherit(A._ParentSelectorVisitor0, A.__ParentSelectorVisitor_Object_SelectorSearchVisitor0);
  	    _inherit(A.MergedExtension0, A.Extension0);
  	    _inherit(A._HasContentVisitor0, A.__HasContentVisitor_Object_StatementSearchVisitor0);
  	    _inherit(A._IsInvisibleVisitor1, A.__IsInvisibleVisitor_Object_EveryCssVisitor0);
  	    _inherit(A._IsInvisibleVisitor2, A.__IsInvisibleVisitor_Object_AnySelectorVisitor0);
  	    _inherit(A._IsBogusVisitor0, A.__IsBogusVisitor_Object_AnySelectorVisitor0);
  	    _inherit(A._IsUselessVisitor0, A.__IsUselessVisitor_Object_AnySelectorVisitor0);
  	    _inherit(A._ContainsParentSelectorVisitor0, A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor0);
  	    _inherit(A.CssStylesheet0, A.CssParentNode0);
  	    _mixin(A.UnmodifiableListBase, A.UnmodifiableListMixin);
  	    _mixin(A.__CastListBase__CastIterableBase_ListMixin, A.ListBase);
  	    _mixin(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin, A.ListBase);
  	    _mixin(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin, A.FixedLengthListMixin);
  	    _mixin(A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin, A.ListBase);
  	    _mixin(A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin, A.FixedLengthListMixin);
  	    _mixin(A._AsyncStreamController, A._AsyncStreamControllerDispatch);
  	    _mixin(A._SyncStreamController, A._SyncStreamControllerDispatch);
  	    _mixin(A.UnmodifiableMapBase, A._UnmodifiableMapMixin);
  	    _mixin(A._UnmodifiableMapView_MapView__UnmodifiableMapMixin, A._UnmodifiableMapMixin);
  	    _mixin(A._UnmodifiableSetView_SetBase__UnmodifiableSetMixin, A._UnmodifiableSetMixin);
  	    _mixin(A._EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin, A.UnmodifiableSetMixin);
  	    _mixin(A._QueueList_Object_ListMixin, A.ListBase);
  	    _mixin(A._UnionSet_SetBase_UnmodifiableSetMixin, A.UnmodifiableSetMixin);
  	    _mixin(A._UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin, A.UnmodifiableSetMixin);
  	    _mixin(A._MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin, A.UnmodifiableSetMixin);
  	    _mixin(A.__IsInvisibleVisitor_Object_EveryCssVisitor, A.EveryCssVisitor);
  	    _mixin(A.__HasContentVisitor_Object_StatementSearchVisitor, A.StatementSearchVisitor);
  	    _mixin(A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor, A.AnySelectorVisitor);
  	    _mixin(A.__IsBogusVisitor_Object_AnySelectorVisitor, A.AnySelectorVisitor);
  	    _mixin(A.__IsInvisibleVisitor_Object_AnySelectorVisitor, A.AnySelectorVisitor);
  	    _mixin(A.__IsUselessVisitor_Object_AnySelectorVisitor, A.AnySelectorVisitor);
  	    _mixin(A.__ParentSelectorVisitor_Object_SelectorSearchVisitor, A.SelectorSearchVisitor);
  	    _mixin(A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor, A.ReplaceExpressionVisitor);
  	    _mixin(A.__FindDependenciesVisitor_Object_RecursiveStatementVisitor, A.RecursiveStatementVisitor);
  	    _mixin(A.__MakeExpressionCalculationSafe_Object_ReplaceExpressionVisitor0, A.ReplaceExpressionVisitor0);
  	    _mixin(A.__ParentSelectorVisitor_Object_SelectorSearchVisitor0, A.SelectorSearchVisitor0);
  	    _mixin(A.__HasContentVisitor_Object_StatementSearchVisitor0, A.StatementSearchVisitor0);
  	    _mixin(A.__IsInvisibleVisitor_Object_EveryCssVisitor0, A.EveryCssVisitor0);
  	    _mixin(A.__ContainsParentSelectorVisitor_Object_AnySelectorVisitor0, A.AnySelectorVisitor0);
  	    _mixin(A.__IsBogusVisitor_Object_AnySelectorVisitor0, A.AnySelectorVisitor0);
  	    _mixin(A.__IsInvisibleVisitor_Object_AnySelectorVisitor0, A.AnySelectorVisitor0);
  	    _mixin(A.__IsUselessVisitor_Object_AnySelectorVisitor0, A.AnySelectorVisitor0);
  	  })();
  	  var init = {
  	    G: typeof self != "undefined" ? self : globalThis,
  	    typeUniverse: {eC: new Map(), tR: {}, eT: {}, tPV: {}, sEA: []},
  	    mangledGlobalNames: {int: "int", double: "double", num: "num", String: "String", bool: "bool", Null: "Null", List: "List", Object: "Object", Map: "Map", JSObject: "JSObject"},
  	    mangledNames: {},
  	    types: ["~()", "Null()", "Future<Null>()", "Value0(List<Value0>)", "bool(String)", "Value(List<Value>)", "String(String)", "bool(CssNode)", "bool(CssNode0)", "bool(Object?)", "int()", "SassBoolean(List<Value>)", "double(double)", "SassBoolean0(List<Value0>)", "bool(SimpleSelector)", "bool(SimpleSelector0)", "FileSpan()", "JSClass0()", "SassString0(List<Value0>)", "SassString(List<Value>)", "bool()", "bool(ComplexSelector)", "bool(ComplexSelector0)", "SassColor(List<Value>)", "SassNumber(List<Value>)", "SassNumber0(List<Value0>)", "SassColor0(List<Value0>)", "SassList0(List<Value0>)", "SassList(List<Value>)", "String()", "double(SassColor0)", "bool(int?)", "Future<~>()", "Value()", "SassMap0(List<Value0>)", "Null(~())", "Object?()", "~(Object?)", "SassMap(List<Value>)", "int(SassColor0)", "Future<Null>(Future<~>())", "Value0(Value0)", "Value0?()", "Value(Value)", "Value?()", "double(SassColor)", "Value0()", "String?()", "bool(num,num)", "Uri(Uri)", "bool(int)", "Null(Object,StackTrace)", "SassNumber(SassNumber)", "SassNumber0(SassNumber0)", "bool(ComplexSelectorComponent)", "bool(ComplexSelectorComponent0)", "bool(Value0)", "double(double,double)", "~(Value)", "ComplexSelector0(ComplexSelector0)", "ValueExpression(Value)", "ComplexSelector(ComplexSelector)", "Null(@)", "~(Value0)", "@()", "ValueExpression0(Value0)", "int(SassColor)", "bool(ColorChannel0)", "bool(SelectorList0)", "Future<Value?>()", "~(Object,StackTrace)", "~(@)", "Future<Value>()", "bool(Object)", "bool(Expression)", "Object(Object)", "Frame()", "bool(SelectorList)", "Future<Value0?>()", "bool(Value)", "Future<Value0>()", "bool(Expression0)", "~([int?])", "Object()", "Null([Object?])", "bool(Module1<Callable>)", "Stylesheet?()", "Future<Value?>(Statement)", "Callable?()", "List<CssMediaQuery>?(List<CssMediaQuery>)", "~(String)", "~(Module1<Callable>,bool)", "Future<Value0>(List<Value0>)", "bool(ColorChannel)", "Frame(String)", "bool(Module0<Callable0>)", "AsyncCallable0?()", "~(Object)", "SassRuntimeException0(AstNode0)", "~(Value,Value)", "double(SassNumber0)", "Future<Value0?>(Statement0)", "bool(Module0<AsyncCallable>)", "AsyncCallable?()", "List<CssMediaQuery0>?(List<CssMediaQuery0>)", "~(String[Deprecation?])", "Null(_NodeSassColor,num)", "int(Uri)", "@(@)", "~(String,Value)", "~(String[Deprecation0?])", "SassRuntimeException(AstNode)", "~(String,Value0)", "Callable0?()", "~(Module0<Callable0>,bool)", "Value0?(Statement0)", "Value?(Statement)", "~(Value0,Value0)", "bool(Module1<AsyncCallable0>)", "SassCalculation0(Object)", "String(Expression0)", "Null(Module1<AsyncCallable0>,bool)", "bool(_Highlight)", "String(String{color:Object?})", "int(_NodeSassColor)", "Statement()", "~(String,Object?)", "Uri(String)", "+originalUrl(Importer,Uri,Uri)?()", "double(SassNumber)", "Map<ComplexSelector,Extension>()", "Map<ComplexSelector0,Extension0>()", "String(Object)", "String(Expression)", "String(@)", "~(String,Function)", "~(Expression0)", "Statement0()", "~(~())", "List<String>()", "~(String,@)", "Null(Module0<AsyncCallable>,bool)", "bool(UseRule0)", "InterpolationMap(List<int>)", "Uri?()", "int(String,String)", "String?(String?)", "String?(Object)", "bool(Statement)", "String(String[String?])", "bool(Import)", "Set<0^>()<Object?>", "Iterable<String>()", "Iterable<String>(String)", "Iterable<String>(@)", "DateTime()", "~(String[~])", "int(int)", "0&(String,FileSpan[StackTrace?])", "~(@,@)", "AtRootRule(List<Statement>,FileSpan)", "AtRule(List<Statement>,FileSpan)", "~(Object?,Object?)", "String(String{color:@})", "Entry(Entry)", "double(double,String)", "AstNode(AstNode)", "SassFunction(List<Value>)", "SassMixin(List<Value>)", "Future<~>(List<Value>)", "List<ExtensionStore>()", "int(ComplexSelector)", "bool(ModifiableCssParentNode)", "AsyncCallable?(Module0<AsyncCallable>)", "MapKeySet<Module0<AsyncCallable>>(Map<Module0<AsyncCallable>,AstNode>)", "Future<SassNumber>()", "JSUrl0(Uri)", "List<CssComment>()", "bool(UseRule)", "bool(ForwardRule)", "Map<String,AsyncCallable>(Module0<AsyncCallable>)", "Future<String>()", "Uri?/()", "String(+(String,Value))", "String(+(IfConditionExpression,String))", "Future<Object>()", "@(String)", "SelectorList(Value)", "AstNode?()", "String(SassNumber)", "Future<Value>(List<Value>)", "~(List<Value>)", "~([Object?])", "SassNumber()", "Expression(Expression)", "~(double?[String?])", "int(Frame)", "String(Frame)", "Callable0?(Module0<Callable0>)", "Trace()", "bool(Frame)", "MapKeySet<Module0<Callable0>>(Map<Module0<Callable0>,AstNode>)", "Map<String,Callable0>(Module0<Callable0>)", "AsyncCallable0?(Module1<AsyncCallable0>)", "MapKeySet<Module1<AsyncCallable0>>(Map<Module1<AsyncCallable0>,AstNode0>)", "Map<String,AsyncCallable0>(Module1<AsyncCallable0>)", "AstNode0(AstNode0)", "SassFunction0(List<Value0>)", "SassMixin0(List<Value0>)", "Future<~>(List<Value0>)", "~(Iterable<ExtensionStore>)", "List<ExtensionStore0>()", "bool(ModifiableCssParentNode0)", "List<Extension>()", "Future<SassNumber0>()", "List<CssComment0>()", "bool(ForwardRule0)", "String(+(String,Value0))", "String(+(IfConditionExpression0,String))", "bool(Queue<List<ComplexSelectorComponent>>)", "InterpolationMap0(List<int>)", "AstNode0?()", "String(SassNumber0)", "0&(Object[Object?])", "0&(@[@])", "Object(CalculationOperation0)", "Future<~>?()", "bool(String?)", "String(Value0)", "double(Value0)", "ImmutableList0(SassColor0)", "Trace(String)", "Future<NodeCompileResult>()", "AsyncImporter0(Object?)", "Set<0&>(Object)", "Version(String)", "~(Iterable<ExtensionStore0>)", "Callable?(Module1<Callable>)", "MapKeySet<Module1<Callable>>(Map<Module1<Callable>,AstNode0>)", "Map<String,Callable>(Module1<Callable>)", "double()", "~(List<Value0>)", "Value0?(Value0)", "SassNumber0()", "String(_NodeException)", "double(Value)", "List<Extension0>()", "bool(Queue<List<ComplexSelectorComponent0>>)", "bool(Statement0)", "bool(Import0)", "Value0?(Value0,num)", "Value0(int)", "Object(_NodeSassMap,int)", "Null(_NodeSassMap,int,Object)", "bool(SassNumber0)", "ImmutableList0(SassNumber0)", "bool(SassNumber0,String)", "SassNumber0(SassNumber0,Object,Object[String?])", "SassNumber0(SassNumber0,SassNumber0[String?,String?])", "double(SassNumber0,Object,Object[String?])", "double(SassNumber0,SassNumber0[String?,String?])", "int(ComplexSelector0)", "Expression0(Expression0)", "SelectorList0(Value0)", "FileLocation(FileSpan)", "String(FileSpan)", "int(SourceLocation)", "~(int)", "~(Object[StackTrace?])", "StyleRule0(List<Statement0>,FileSpan)", "AtRootRule0(List<Statement0>,FileSpan)", "AtRule0(List<Statement0>,FileSpan)", "int(@,@)", "bool(Object?,Object?)", "int(Object?)", "String(double)", "List<WatchEvent>(List<WatchEvent>)", "~(List<Statement>)", "ForRule(List<Statement>,FileSpan)", "IfConditionExpression(IfConditionExpression)", "Value?(Module0<Callable0>)", "~(CssMediaQuery)", "ContentBlock(List<Statement>,FileSpan)", "~(SelectorList)", "~(MapEntry<Value,Value>)", "SourceFile()", "SourceFile?(int)", "String?(SourceFile?)", "int(_Line)", "Module0<Callable0>?(Module0<Callable0>)", "Object(_Line)", "Object(_Highlight)", "int(_Highlight,_Highlight)", "List<_Line>(MapEntry<Object,List<_Highlight>>)", "SourceSpanWithContext()", "List<Frame>(Trace)", "int(Trace)", "MediaRule(List<Statement>,FileSpan)", "String(Trace)", "MixinRule(List<Statement>,FileSpan)", "~(@,StackTrace)", "Frame(String,String)", "SupportsRule(List<Statement>,FileSpan)", "WhileRule(List<Statement>,FileSpan)", "Frame(Frame)", "~(Expression)", "Map<String,Value>(Module0<Callable0>)", "Map<String,AstNode>(Module0<Callable0>)", "~(BinaryOperator)", "SassArgumentList0(Object,Object,Object[String?])", "ImmutableMap0(SassArgumentList0)", "~(String,Option)", "ArgParser()", "Value0/(List<Value0>)", "Value0?(Module1<AsyncCallable0>)", "Module1<AsyncCallable0>?(Module1<AsyncCallable0>)", "StringExpression(Interpolation)", "DateTime(StylesheetNode)", "Map<String,Value0>(Module1<AsyncCallable0>)", "Map<String,AstNode0>(Module1<AsyncCallable0>)", "bool(+originalUrl(Importer,Uri,Uri))", "Set<Deprecation>()", "Future<CssValue0<String>>(Interpolation0{trim:bool,warnForColor:bool})", "Uri(+originalUrl(Importer,Uri,Uri))", "~(+deprecation,message,span(Deprecation?,String,FileSpan))", "Future<~>(String)", "String(Parameter)", "SelectorList(SelectorList?,SelectorList)", "SassScriptException()", "SassList(ComplexSelector)", "SassString(SimpleSelector)", "~(Module1<AsyncCallable0>,bool)", "Future<+loadedUrls,stylesheet(Set<Uri>,CssStylesheet0)>()", "Future<Module1<AsyncCallable0>>()", "bool(Extension)", "~(Module1<AsyncCallable0>)", "SingleUnitSassNumber(double)", "Future<CssValue<String>>(Interpolation{trim:bool,warnForColor:bool})", "Set<ModifiableBox<SelectorList>>()", "@(@,String)", "Future<Value0?>(Value0)", "SassString(int)", "Future<CssValue0<String>>(Interpolation0)", "Iterable<ComplexSelector>(List<ComplexSelector>)", "~(Object?,List<JSObject>)", "List<SimpleSelector>(Extender)", "Iterable<ComplexSelector>(ComplexSelector)", "Future<Value0?>(IfRuleClause0)", "Future<CssValue<String>>(Interpolation)", "SassString(String)", "UserDefinedCallable0<AsyncEnvironment0>(ContentBlock0)", "List<Extender>?(SimpleSelector)", "List<Extender>(PseudoSelector)", "List<List<Extender>>(List<Extender>)", "List<ComplexSelector>(ComplexSelector)", "PseudoSelector(ComplexSelector)", "int(int,ComplexSelectorComponent)", "~(int,@)", "Future<Value0>(Expression0)", "~(SimpleSelector,Set<ModifiableBox<SelectorList>>)", "ModifiableBox<SelectorList>()", "Value0/()", "List<ComplexSelectorComponent>?(List<ComplexSelectorComponent>,List<ComplexSelectorComponent>)", "~(Module0<AsyncCallable>,bool)", "bool(List<Iterable<ComplexSelectorComponent>>)", "Future<+loadedUrls,stylesheet(Set<Uri>,CssStylesheet)>()", "Future<Module0<AsyncCallable>>()", "SimpleSelector(SimpleSelector)", "Future<+originalUrl(AsyncImporter0,Uri,Uri)?>()", "Future<Stylesheet0?>()", "bool(+originalUrl(AsyncImporter0,Uri,Uri))", "Uri(+originalUrl(AsyncImporter0,Uri,Uri))", "AtRootQuery0()", "~(Symbol0,@)", "~(Module0<AsyncCallable>)", "bool(PseudoSelector)", "SelectorList?(PseudoSelector)", "SassCalculation0(Object[Object?,Object?])", "SassCalculation0(SassCalculation0[String?])", "ImmutableList(SassCalculation0)", "Object(Object,String,Object,Object)", "bool(CalculationOperator0)", "bool(CalculationOperation0,Object)", "int(CalculationOperation0)", "String(CalculationOperation0)", "Null(JSObject?,JSArray<Object?>)", "CalculationInterpolation(Object,String)", "bool(CalculationInterpolation,Object)", "int(CalculationInterpolation)", "String(CalculationInterpolation)", "bool(CanonicalizeContext0)", "JSUrl0?(CanonicalizeContext0)", "Null(@,@)", "String(CssValue<Combinator>)", "Null(@,StackTrace)", "Null(Function,Function)", "String(String?)", "String(int,IfClause)", "bool(String?,String?)", "SassColor0(SassColor0)", "SassColor0(ColorSpace0)", "Value?(Module0<AsyncCallable>)", "0&(List<Value0>)", "Module0<AsyncCallable>?(Module0<AsyncCallable>)", "int(String?)", "SassColor0(Object,_ConstructionOptions)", "bool(SassColor0,Object)", "SassColor0(SassColor0,String)", "bool(SassColor0[String?])", "SassColor0(SassColor0,_ToGamutOptions)", "double(SassColor0,String[_ChannelOptions?])", "bool(SassColor0,String)", "bool(SassColor0,String[_ChannelOptions?])", "SassColor0(SassColor0,_ConstructionOptions)", "double?(String)", "SassColor0(SassColor0,SassColor0[_InterpolationOptions?])", "String(SassColor0)", "bool(SassColor0)", "Future<Value?>(Value)", "Null(_NodeSassColor,num?[num?,num?,num?,SassColor0?])", "double(num)", "SassColor(SassColor)", "double(_NodeSassColor)", "AtRootQuery()", "String(BuiltInCallable)", "Map<String,Value>(Module0<AsyncCallable>)", "AsyncImporter0(JSImporter)", "0&(@)", "SassColor(ColorSpace)", "NodePackageImporter0(Object[String?])", "List<CssMediaQuery>()", "NodeCompileResult(Compiler,String[CompileOptions?])", "NodeCompileResult(Compiler,String[CompileStringOptions?])", "Null(Compiler)", "Promise(AsyncCompiler,String[CompileOptions?])", "Promise(AsyncCompiler,String[CompileStringOptions?])", "Promise(AsyncCompiler)", "Future<AsyncCompiler>()", "int(int,ComplexSelectorComponent0)", "String(CssValue0<Combinator0>)", "int(int,SimpleSelector0)", "String(BuiltInCallable0)", "bool(Deprecation0)", "Iterable<Deprecation0>()", "Version(Object,int,int,int)", "Future<@>()", "int(int,SimpleSelector)", "Value0?(Module1<Callable>)", "Module1<Callable>?(Module1<Callable>)", "Future<Value?>(IfRuleClause)", "SelectorList()", "Map<String,Value0>(Module1<Callable>)", "Map<String,AstNode0>(Module1<Callable>)", "CompoundSelector()", "UserDefinedCallable<AsyncEnvironment>(ContentBlock)", "CssValue0<String>(Interpolation0{trim:bool,warnForColor:bool})", "bool(@)", "Statement({root:bool})", "String(Value)", "+loadedUrls,stylesheet(Set<Uri>,CssStylesheet0)()", 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  	  A._Universe_addErasedTypes(init.typeUniverse, JSON.parse('{"WhereIterator":1,"SkipIterator":1,"SkipWhileIterator":1,"EmptyIterator":1,"FollowedByIterator":1,"NonNullsIterator":1,"FixedLengthListMixin":1,"UnmodifiableListMixin":1,"UnmodifiableListBase":1,"__CastListBase__CastIterableBase_ListMixin":2,"ConstantSet":1,"LinkedHashMapKeyIterator":1,"LinkedHashMapValueIterator":1,"NativeTypedArray":1,"EventSink":1,"_SyncStarIterator":1,"_SyncStreamControllerDispatch":1,"_AsyncStreamControllerDispatch":1,"_AddStreamState":1,"_StreamControllerAddStreamState":1,"_DelayedEvent":1,"_DelayedData":1,"_PendingEvents":1,"_StreamIterator":1,"_ZoneFunction":1,"Queue":1,"UnmodifiableMapBase":2,"_UnmodifiableSetMixin":1,"_UnmodifiableMapView_MapView__UnmodifiableMapMixin":2,"_UnmodifiableSetView_SetBase__UnmodifiableSetMixin":1,"_StringSinkConversionSink":1,"Expando":1,"_EventRequest":1,"_EmptyUnmodifiableSet_IterableBase_UnmodifiableSetMixin":1,"DefaultEquality":1,"IterableEquality":1,"ListEquality":1,"_QueueList_Object_ListMixin":1,"_UnionSet_SetBase_UnmodifiableSetMixin":1,"UnmodifiableSetMixin":1,"_UnmodifiableSetView_DelegatingSet_UnmodifiableSetMixin":1,"_DelegatingIterableBase":1,"_MapKeySet__DelegatingIterableBase_UnmodifiableSetMixin":1,"ParentStatement":1,"ParentStatement0":1,"ExpressionVisitor":1,"IfConditionExpressionVisitor":1,"InterpolatedSelectorVisitor":1}'));
  	  var string$ = {
  	    x00_____: "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\u03f6\x00\u0404\u03f4 \u03f4\u03f6\u01f6\u01f6\u03f6\u03fc\u01f4\u03ff\u03ff\u0584\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u05d4\u01f4\x00\u01f4\x00\u0504\u05c4\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u0400\x00\u0400\u0200\u03f7\u0200\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u0200\u0200\u0200\u03f7\x00",
  	    x0a_BUG_: "\n\nBUG: This should include a source span!",
  	    x0a_Morex20: "\n\nMore info and automated migrator: https://sass-lang.com/d/slash-div",
  	    x0a_Morex3ac: "\n\nMore info: https://sass-lang.com/d/color-functions",
  	    x0a_Morex3af: "\n\nMore info: https://sass-lang.com/d/function-units",
  	    x0a_See_: "\n\nSee https://sass-lang.com/d/function-units",
  	    x0a_This: "\n\nThis is only an error because you've set the ",
  	    x0a_To_p: "\n\nTo preserve current behavior: math.random(math.div($limit, 1",
  	    x0a_but_: "\n\nbut you may have intended it to mean:\n\n    ",
  	    x0aRun_i: "\nRun in verbose mode to see all warnings.",
  	    x0aThis_: "\nThis will be an error in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/bogus-combinators",
  	    x0aYou_m: "\nYou may not @extend the same selector from within different media queries.",
  	    x20It_wi: " It will be omitted from the generated CSS.",
  	    x20be_an: " be an extender.\nThis will be an error in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/bogus-combinators",
  	    x20can_n: " can not have both conditions and paths at the same level.\nFound ",
  	    x20deprex20ix2c: " deprecation is obsolete, so does not need to be made fatal.",
  	    x20deprex20ix2e: " deprecation is obsolete. If you were previously silencing it, your code may now behave in unexpected ways.",
  	    x20deprex20t: " deprecation to be fatal.\nRemove this setting if you need to keep using this feature.",
  	    x20deprex2c: " deprecation, since it has also been made fatal.",
  	    x20hue__: ' hue" may not be set for rectangular color space ',
  	    x20in_in: " in interpolation here.\nIt may end up represented as ",
  	    x20inste: " instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    x20is_as: " is asynchronous.\nThis is probably caused by a bug in a Sass plugin.",
  	    x20is_av: " is available from multiple global modules.",
  	    x20is_de: " is deprecated.\n\nTo preserve current behavior: ",
  	    x20is_noaf: " is not a future deprecation, so it does not need to be explicitly enabled.",
  	    x20is_noav: " is not a valid selector: it must be a string,\na list of strings, or a list of lists of strings.",
  	    x20is_nov: " is not valid CSS.\nThis will be an error in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/bogus-combinators",
  	    x20must_b: " must be either nearest, up, down or to-zero.",
  	    x20must_e: " must end with an arbitrary substitution or ",
  	    x20must_n: " must not be greater than the number of characters in the file, ",
  	    x20repet: " repetitive deprecation warnings omitted.",
  	    x20to_be: " to be in the legacy RGB, HSL, or HWB color space.",
  	    x20to_be_: " to be in the legacy RGB, HSL, or HWB color space.\n\nRecommendation: color.change(",
  	    x20to_cl: " to clarify that it's meant to be a binary operation, or wrap\nit in parentheses to make it a unary operation. This will be an error in future\nversions of Sass.\n\nMore info and automated migrator: https://sass-lang.com/d/strict-unary",
  	    x20to_co: " to color.opacity() is deprecated.\n\nRecommendation: ",
  	    x20was_a: ' was already loaded, so it can\'t be configured using "with".',
  	    x20was_n: " was not declared with !default in the @used module.",
  	    x20was_p: " was passed both by position and by name.",
  	    x21defau: "!default should only be written once for each variable.\nThis will be an error in Dart Sass 2.0.0.",
  	    x21globai: "!global isn't allowed for variables in other modules.",
  	    x21globas: "!global should only be written once for each variable.\nThis will be an error in Dart Sass 2.0.0.",
  	    x22x20can_: "\" can't be used as a parent in a compound selector.",
  	    x22x20is_ix0a: '" is invalid CSS.\nThis will be an error in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/bogus-combinators',
  	    x22x20is_ix20: '" is invalid CSS. It will be omitted from the generated CSS.\nThis will be an error in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/bogus-combinators',
  	    x22x20is_n: '" is not a valid Sass identifier.\n\nRecommendation: add an "as" clause to define an explicit namespace.',
  	    x22x20is_o: "\" is only valid for nesting and shouldn't\nhave children other than style rules.",
  	    x22x26__ma: '"&" may only used at the beginning of a compound selector.',
  	    x22x29__If: "\").\nIf you really want to use the color value here, use '",
  	    x22x2b__an: '"+" and "-" must be surrounded by whitespace in calculations.',
  	    x22packa: '"package:" URLs aren\'t supported on this platform.',
  	    x24color: "$color1, $color2, $weight: 50%, $method: null",
  	    x24css_a: "$css and $module may not both be passed at once.",
  	    x24list1: "$list1, $list2, $separator: auto, $bracketed: auto",
  	    x24selec: "$selectors: At least one selector must be passed.",
  	    x24separ: '$separator: Must be "space", "comma", "slash", or "auto".',
  	    x27x20must: "' must be a path relative to the package root at '",
  	    x27x2c_whi: "', which is not a '.scss', '.sass', or '.css' file.",
  	    x28__cal: "() calculation. This doesn't allow unitless numbers to be mixed with numbers with units. If you want to use the Sass function, call math.",
  	    x28__fun: "() functions will no longer have special parsing in a future release of Dart Sass. Once that happens, this argument will ",
  	    x28__ins: "() instead.\n\nSee https://sass-lang.com/d/import",
  	    x28__is_d: '() is deprecated. Suggestion:\n\ncolor.channel($color, "',
  	    x28__is_oa: "() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    x28__is_oc: "() is only supported for legacy colors. Please use color.channel() instead with an explicit $space argument.",
  	    x28__isn: "() isn't in the sass:color module.\n\nRecommendation: color.adjust(",
  	    x29x0a_Mor_: ")\n\nMore info: https://sass-lang.com/d/color-functions",
  	    x29x0a_Moro: ")\n\nMore info: https://sass-lang.com/documentation/functions/color#",
  	    x29x20in_a: ") in a future release.\n\nRecommendation: math.random(math.div($limit, 1",
  	    x29x20is_d_: ") is deprecated.\n\nTo preserve current behavior: ",
  	    x29x20is_dT: ") is deprecated.\nThis will be an error in Dart Sass 2.0.0.",
  	    x29x20to_clg: ") to color.grayscale() is deprecated.\n\nRecommendation: ",
  	    x29x20to_cli: ") to color.invert() is deprecated.\n\nRecommendation: ",
  	    x29x20to_cm: ") to compileString() or related functions is deprecated and will be an error in Dart Sass 2.0.0.",
  	    x29x29__Mo: "))\n\nMore info: https://sass-lang.com/d/function-units",
  	    x2c_whicu: ", which uses a scheme declared as non-canonical.",
  	    x2c_whicw: ', which will likely produce invalid CSS.\nAlways quote color names when using them as strings or map keys (for example, "',
  	    x2e_Rela: ".\nRelative canonical URLs are deprecated and will eventually be disallowed.",
  	    x3d_____: "===== asynchronous gap ===========================\n",
  	    x40_moz_: "@-moz-document is deprecated and support will be removed in Dart Sass 2.0.0.\n\nFor details, see https://sass-lang.com/d/moz-document.",
  	    x40conte: "@content is only allowed within mixin declarations.",
  	    x40elsei: "@elseif is deprecated and will not be supported in future Sass versions.\n\nRecommendation: @else if",
  	    x40exten: "@extend may only be used within style rules.",
  	    x40forwa: "@forward rules must be written before any other rules.",
  	    x40funct: "@function if($condition, $if-true, $if-false) {",
  	    x40use_r: "@use rules must be written before any other rules.",
  	    A_list: "A list with more than one element must have an explicit separator.",
  	    A_pkg_h: "A pkg: URL must not have a host, port, username or password.",
  	    A_pkg_q: "A pkg: URL must not have a query or fragment.",
  	    A_top_: "A top-level selector may not contain a parent selector with a suffix.",
  	    ABCDEF: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
  	    An_impa: "An importer may not have a findFileUrl method as well as canonicalize and load methods.",
  	    An_impu: "An importer must have either canonicalize and load methods, or a findFileUrl method.",
  	    As_of_R: "As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.\n\nRecommendation: add `",
  	    As_of_S: "As of Dart Sass 2.0.0, !global assignments won't be able to declare new variables.\n\nSince this assignment is at the root of the stylesheet, the !global flag is\nunnecessary and can safely be removed.",
  	    At_rul: "At-rules may not be used within nested declarations.",
  	    Becaus: "Because the CSS working group is still deciding on the best behavior, Sass doesn't currently support modifying missing channels (color: ",
  	    Cannotff: "Cannot extract a file path from a URI with a fragment component",
  	    Cannotfq: "Cannot extract a file path from a URI with a query component",
  	    Cannotn: "Cannot extract a non-Windows file path from a file URI with an authority",
  	    Comple: "ComplexSassNumber.hasPossiblyCompatibleUnits is not implemented.",
  	    Config: "Configuring private variables is deprecated.\nThis will be an error in Dart Sass 2.0.0.",
  	    Could_: 'Could not find an option with short name "-',
  	    CssNod: "CssNodes must have a CssStylesheet transitive parent node.",
  	    Customf: "Custom functions with this name are deprecated and will be removed in a future\nrelease. Please choose a different name.\nMore info: https://sass-lang.com/d/function-name",
  	    Customi: "Custom importers are required to load stylesheets when compiling in the browser.",
  	    Declarm: "Declarations may only be used within style rules.",
  	    Declarp: "Declarations parsed as raw CSS may not be nested.",
  	    Declarw: 'Declarations whose names begin with "--" may not be nested.',
  	    Either: "Either options.data or options.file must be set.",
  	    Entrie: "Entries may not be removed from MergedMapView.",
  	    Error_: "Error handler must accept one Object or one Object and a StackTrace as arguments, and return a value of the returned future's type",
  	    Evalua: "Evaluation handles @include and its content block together.",
  	    Expecta: "Expected a color interpolation method, got an empty list.",
  	    Expectu: 'Expected unquoted string "hue" at the end of ',
  	    Expectv: "Expected variable, mixin, or function name",
  	    Functi: "Functions may not be declared in control directives.",
  	    Global: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse ",
  	    Globalcad: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse color.adjust instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Globalcal: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse color.alpha instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Globalcg: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse color.grayscale instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Globalci: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse color.invert instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Globalco: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse color.opacity instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Globalm: "Global built-in functions are deprecated and will be removed in Dart Sass 3.0.0.\nUse math.abs instead.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Hue_in: "Hue interpolation method may not be set for rectangular color space ",
  	    If_con: "If conditions is longer than one element, conjunction may not be null.",
  	    If_par: "If parsedAsSassScript is false, value must contain a SassString (was `",
  	    If_str: "If strategy is not null, step is required.",
  	    In_Sas: 'In Sass, "&&" means two copies of the parent selector. You probably want to use "and" instead.',
  	    In_fut: "In future versions of Sass, round() will be interpreted as a CSS round() calculation. This requires an explicit modulus when rounding numbers with units. If you want to use the Sass function, call math.round() instead.\n\nSee https://sass-lang.com/d/import",
  	    Indent: "Indenting at the beginning of the document is illegal.",
  	    Interpn: "Interpolation isn't allowed in namespaces.",
  	    Interpp: "Interpolation isn't allowed in plain CSS.",
  	    Invali: 'Invalid return value for custom function "',
  	    It_s_n: "It's not clear which file to import. Found:\n",
  	    Keywor: "Keyword arguments can't be used with calculations.",
  	    May_no: "May not have a value for string elements (at index ",
  	    Media_: "Media rules may not be used within nested declarations.",
  	    Mixinsb: "Mixins may not be declared in control directives.",
  	    Mixinscf: "Mixins may not contain function declarations.",
  	    Mixinscm: "Mixins may not contain mixin declarations.",
  	    Modulel: "Module loop: this module is already being loaded.",
  	    Modulen: "Module namespaces aren't allowed in plain CSS.",
  	    More_i: "More info: https://sass-lang.com/d/if-function",
  	    Must_n: "Must not have a value for expression elements (at index ",
  	    Named_: "Named arguments must come before rest arguments.\nThis will be an error in Dart Sass 2.0.0.",
  	    Nested: "Nested declarations aren't allowed in plain CSS.",
  	    New_en: "New entries may not be added to MergedMapView.",
  	    No_Sasc: "No Sass callable is currently being evaluated.",
  	    No_Sass: "No Sass stylesheet is currently being evaluated.",
  	    NoSour: "NoSourceMapBuffer.buildSourceMap() is not supported.",
  	    Number: "Number to round and step arguments are required.",
  	    Only_2: "Only 2 slash-separated elements allowed, but ",
  	    Only_oa: "Only one argument may be passed to the plain-CSS invert() function.",
  	    Only_op: "Only one positional argument is allowed. All other arguments must be passed by name.",
  	    Other_: "Other modules' members can't be defined with !global.",
  	    Parent: "Parent selectors can't have suffixes in plain CSS.",
  	    Passin_: "Passing `alpha: null` without setting `space` is deprecated.\nMore info: https://sass-lang.com/d/null-alpha",
  	    Passina: "Passing a string to call() is deprecated and will be illegal in Dart Sass 2.0.0.\n\nRecommendation: call(get-function(",
  	    Passinp: "Passing percentage units to the global abs() function is deprecated.\nIn the future, this will emit a CSS abs() function to be resolved by the browser.\nTo preserve current behavior: math.abs(",
  	    Placeh: "Placeholder selectors aren't allowed in plain CSS.",
  	    Plain_: "Plain CSS functions don't support keyword arguments.",
  	    Positik: "Positional arguments must come before keyword arguments.",
  	    Positir: "Positional arguments must come before rest arguments.\nThis will be an error in Dart Sass 2.0.0.",
  	    Privat: "Private members can't be accessed from outside their modules.",
  	    Rest_a: "Rest arguments can't be used with calculations.",
  	    Sass__i: "Sass @import rules are deprecated and will be removed in Dart Sass 3.0.0.\n\nMore info and automated migrator: https://sass-lang.com/d/import",
  	    Sass__m: "Sass @mixin names beginning with -- are forbidden for forward-compatibility with plain CSS mixins.\n\nFor details, see https://sass-lang.com/d/css-function-mixin",
  	    Sass_v: "Sass variables aren't allowed in plain CSS.",
  	    Silent: "Silent comments aren't allowed in plain CSS.",
  	    Style_k: "Style rules may not be used within keyframe blocks.",
  	    Style_n: "Style rules may not be used within nested declarations.",
  	    Suppor: "Supports rules may not be used within nested declarations.",
  	    The_Ex: "The ExtensionStore and CssStylesheet passed to cloneCssStylesheet() must come from the same compilation.",
  	    The_No: "The Node package importer cannot be used without a filesystem.",
  	    The_Sa: "The Sass if() syntax is deprecated in favor of the modern CSS syntax.\n\n",
  	    The_ca: "The canonicalize() method must return a URL.",
  	    The_co: "The color() function doesn't support the color space ",
  	    The_fe: "The feature-exists() function is deprecated.\n\nMore info: https://sass-lang.com/d/feature-exists",
  	    The_fie: "The findFileUrl() method must return a URL.",
  	    The_fiu: 'The findFileUrl() must return a URL with scheme file://, was "',
  	    The_le: "The legacy JS API is deprecated and will be removed in Dart Sass 2.0.0.\n\nMore info: https://sass-lang.com/d/legacy-js-api",
  	    The_lo: "The load() function must return an object with contents and syntax fields.",
  	    The_pa: "The parent selector isn't allowed in plain CSS.",
  	    The_sa: "The same variable may only be configured once.",
  	    The_ta: 'The target selector was not found.\nUse "@extend ',
  	    There_: "There's already a module with namespace \"",
  	    This_d: 'This declaration has no parameter named "$',
  	    This_e: "This expression can't be used in a calculation.",
  	    This_f: "This function isn't allowed in plain CSS.",
  	    This_ma: 'This module and the new module both define a variable named "$',
  	    This_mw: 'This module was already loaded, so it can\'t be configured using "with".',
  	    This_n: "This name is reserved for the plain-CSS function.",
  	    This_o: "This operation can't be used in a calculation.",
  	    This_s: "This selector doesn't have any properties and won't be rendered.",
  	    This_v: "This variable was not declared with !default in the @used module.",
  	    To_usei: "To use color.invert() with non-legacy color ",
  	    To_usem: "To use color.mix() with non-legacy color ",
  	    Top_le: "Top-level leading combinators aren't allowed in plain CSS.",
  	    Unable: "Unable to determine which of multiple potential resolutions found for ",
  	    Unexpe: "Unexpected Zone.current[#_canonicalizeContext] value ",
  	    User_a: "User-authored deprecations should not be silenced.",
  	    Using__i: "Using / for division is deprecated and will be removed in Dart Sass 2.0.0.\n\nRecommendation: ",
  	    Using__o: "Using / for division outside of calc() is deprecated and will be removed in Dart Sass 2.0.0.\n\nRecommendation: ",
  	    Using_c: "Using color.alpha() for a Microsoft filter is deprecated.\n\nRecommendation: ",
  	    Using_t: "Using the current working directory as an implicit load path is deprecated. Either add it as an explicit load path or importer, or load this stylesheet from a different URL.",
  	    Variab_: "Variable keyword argument map must have string keys.\n",
  	    Variabs: "Variable keyword arguments must be a map (was ",
  	    Vendorp: "Vendor-prefixed progid:...() functions will no longer be supported in a future release of Dart Sass. To preserve current behavior:\n\n#{",
  	    Vendoru: "Vendor-prefixed url() functions will no longer have special parsing in a future release of Dart Sass. Once that happens, this argument will be parsed as SassScript. To preserve current behavior:\n\n",
  	    Whitesa: 'Whitespace is required between "and" and "("',
  	    Whitesn: 'Whitespace is required between "not" and "("',
  	    Whiteso: 'Whitespace is required between "or" and "("',
  	    You_ma: "You may not @extend selectors across media queries.",
  	    You_pr: "You probably don't mean to use the color value ",
  	    x60_inst: "` instead.\nSee https://sass-lang.com/d/extend-compound for details.\n",
  	    addExt_: "addExtension() can't be called for a const ExtensionStore.",
  	    addExts: "addExtensions() can't be called for a const ExtensionStore.",
  	    addSel: "addSelector() can't be called for a const ExtensionStore.",
  	    adjustd: "adjust-hue() is deprecated. Suggestion:\n\ncolor.adjust($color, $hue: ",
  	    adjusto: "adjust-hue() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    alpha_: "alpha() is only supported for legacy colors. Please use color.channel() instead.",
  	    canoni: "canonicalizeContext may only be accessed within a call to canonicalize().",
  	    color_a: "color.alpha() is only supported for legacy colors. Please use color.channel() instead.",
  	    color_c: "color.changeHsl() is only supported for legacy colors. Please use color.changeChannels() instead with an explicit $space argument.",
  	    color_t: "color.to-gamut() requires a $method argument for forwards-compatibility with changes in the CSS spec. Suggestion:\n\n$method: local-minde",
  	    compou: "compound selectors may no longer be extended.\nConsider `@extend ",
  	    conten: "content-exists() may only be called within a mixin.",
  	    darken: "darken() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    desatu: "desaturate() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    fileEx: "fileExists() is only supported on Node.js",
  	    if___c: "if() conditions with arbitrary substitutions may not contain sass() expressions.",
  	    leadin: "leadingCombinators and components may not both be empty.",
  	    lighte: "lighten() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    linkEx: "linkExists() is only supported on Node.js",
  	    math_d: "math.div() will only support number arguments in a future release.\nUse list.slash() instead for a slash separator.",
  	    math_r: "math.random() will no longer ignore $limit units (",
  	    multip: "multiple statements on one line are not supported in the indented syntax.",
  	    must_b: "must be a UniversalSelector or a TypeSelector",
  	    sass__: "sass() conditions aren't allowed in plain CSS",
  	    satura: "saturate() is only supported for legacy colors. Please use color.adjust() instead with an explicit $space argument.",
  	    throug: "through() must return false for at least one parent of ",
  	    x7dx0a_Mor: "}\n\nMore info: https://sass-lang.com/d/function-name",
  	    x7dx29__Mo: "})\n\nMore info: https://sass-lang.com/d/function-name",
  	    x7dx29_Mor: "})\nMore info: https://sass-lang.com/d/abs-percent"
  	  };
  	  var type$ = (function rtii() {
  	    var findType = A.findType;
  	    return {
  	      $env_1_1_String: findType("@<String>"),
  	      ArgParser: findType("ArgParser"),
  	      AstNode: findType("AstNode"),
  	      AstNode_2: findType("AstNode0"),
  	      AsyncBuiltInCallable: findType("AsyncBuiltInCallable"),
  	      AsyncBuiltInCallable_2: findType("AsyncBuiltInCallable0"),
  	      AsyncCallable: findType("AsyncCallable"),
  	      AsyncCallable_2: findType("AsyncCallable0"),
  	      AsyncCompiler: findType("AsyncCompiler"),
  	      AsyncImporter: findType("AsyncImporter0"),
  	      Box_SelectorList: findType("Box<SelectorList>"),
  	      Box_SelectorList_2: findType("Box0<SelectorList0>"),
  	      BuiltInCallable: findType("BuiltInCallable"),
  	      BuiltInCallable_2: findType("BuiltInCallable0"),
  	      BuiltInModule_AsyncCallable: findType("BuiltInModule<AsyncCallable>"),
  	      BuiltInModule_AsyncCallable_2: findType("BuiltInModule0<AsyncCallable0>"),
  	      BuiltInModule_Callable: findType("BuiltInModule<Callable0>"),
  	      BuiltInModule_Callable_2: findType("BuiltInModule0<Callable>"),
  	      ByteBuffer: findType("ByteBuffer"),
  	      ByteData: findType("ByteData"),
  	      Callable: findType("Callable0"),
  	      Callable_2: findType("Callable"),
  	      ChangeType: findType("ChangeType"),
  	      CodeUnits: findType("CodeUnits"),
  	      Combinator: findType("Combinator"),
  	      Combinator_2: findType("Combinator0"),
  	      Comparable_dynamic: findType("Comparable<@>"),
  	      Comparable_nullable_Object: findType("Comparable<Object?>"),
  	      CompileResult: findType("CompileResult"),
  	      CompileResult_2: findType("CompileResult0"),
  	      ComplexSelector: findType("ComplexSelector"),
  	      ComplexSelectorComponent: findType("ComplexSelectorComponent"),
  	      ComplexSelectorComponent_2: findType("ComplexSelectorComponent0"),
  	      ComplexSelector_2: findType("ComplexSelector0"),
  	      Configuration: findType("Configuration"),
  	      Configuration_2: findType("Configuration0"),
  	      ConfiguredValue: findType("ConfiguredValue"),
  	      ConfiguredValue_2: findType("ConfiguredValue0"),
  	      ConfiguredVariable: findType("ConfiguredVariable"),
  	      ConfiguredVariable_2: findType("ConfiguredVariable0"),
  	      ConstantMapView_Symbol_dynamic: findType("ConstantMapView<Symbol0,@>"),
  	      ConstantStringMap_String_double: findType("ConstantStringMap<String,double>"),
  	      ConstantStringSet_String: findType("ConstantStringSet<String>"),
  	      CssComment: findType("CssComment"),
  	      CssComment_2: findType("CssComment0"),
  	      CssMediaQuery: findType("CssMediaQuery"),
  	      CssMediaQuery_2: findType("CssMediaQuery0"),
  	      CssParentNode: findType("CssParentNode"),
  	      CssParentNode_2: findType("CssParentNode0"),
  	      CssStylesheet: findType("CssStylesheet"),
  	      CssStylesheet_2: findType("CssStylesheet0"),
  	      CssValue_AttributeOperator: findType("CssValue0<AttributeOperator0>"),
  	      CssValue_Combinator: findType("CssValue<Combinator>"),
  	      CssValue_Combinator_2: findType("CssValue0<Combinator0>"),
  	      CssValue_List_String: findType("CssValue<List<String>>"),
  	      CssValue_List_String_2: findType("CssValue0<List<String>>"),
  	      CssValue_String: findType("CssValue<String>"),
  	      CssValue_String_2: findType("CssValue0<String>"),
  	      CssValue_Value: findType("CssValue<Value>"),
  	      CssValue_Value_2: findType("CssValue0<Value0>"),
  	      DateTime: findType("DateTime"),
  	      Deprecation: findType("Deprecation"),
  	      Deprecation_2: findType("Deprecation1"),
  	      Deprecation_3: findType("Deprecation0"),
  	      EfficientLengthIterable_dynamic: findType("EfficientLengthIterable<@>"),
  	      Error: findType("Error"),
  	      EvaluationContext: findType("EvaluationContext"),
  	      EvaluationContext_2: findType("EvaluationContext0"),
  	      Exception: findType("Exception"),
  	      Expression: findType("Expression"),
  	      Expression_2: findType("Expression0"),
  	      Extender: findType("Extender"),
  	      Extender_2: findType("Extender0"),
  	      Extension: findType("Extension"),
  	      Extension_2: findType("Extension0"),
  	      FileLocation: findType("FileLocation"),
  	      FileSpan: findType("FileSpan"),
  	      Float32List: findType("Float32List"),
  	      Float64List: findType("Float64List"),
  	      FormatException: findType("FormatException"),
  	      Frame: findType("Frame"),
  	      Function: findType("Function"),
  	      FutureGroup_void: findType("FutureGroup<~>"),
  	      FutureOr_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet: findType("+loadedUrls,stylesheet(Set<Uri>,CssStylesheet)/"),
  	      FutureOr_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2: findType("+loadedUrls,stylesheet(Set<Uri>,CssStylesheet0)/"),
  	      FutureOr_nullable_Uri: findType("Uri?/"),
  	      Future_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet: findType("Future<+loadedUrls,stylesheet(Set<Uri>,CssStylesheet)>"),
  	      Future_Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2: findType("Future<+loadedUrls,stylesheet(Set<Uri>,CssStylesheet0)>"),
  	      Future_Value: findType("Future<Value>"),
  	      Future_Value_2: findType("Future<Value0>"),
  	      Future_nullable_CssValue_String: findType("Future<CssValue<String>?>"),
  	      Future_nullable_CssValue_String_2: findType("Future<CssValue0<String>?>"),
  	      Future_nullable_ImporterResult: findType("Future<ImporterResult0?>"),
  	      Future_nullable_Uri: findType("Future<Uri?>"),
  	      Future_nullable_Value: findType("Future<Value?>"),
  	      Future_nullable_Value_2: findType("Future<Value0?>"),
  	      IfClause: findType("IfClause"),
  	      IfClause_2: findType("IfClause0"),
  	      IfConditionExpression: findType("IfConditionExpression"),
  	      IfConditionExpression_2: findType("IfConditionExpression0"),
  	      ImmutableList: findType("ImmutableList0"),
  	      ImmutableList_2: findType("ImmutableList"),
  	      ImmutableMap: findType("ImmutableMap0"),
  	      Import: findType("Import"),
  	      Import_2: findType("Import0"),
  	      Importer: findType("Importer0"),
  	      ImporterResult: findType("ImporterResult"),
  	      ImporterResult_2: findType("ImporterResult0"),
  	      Importer_2: findType("Importer"),
  	      Int16List: findType("Int16List"),
  	      Int32List: findType("Int32List"),
  	      Int8List: findType("Int8List"),
  	      InterpolatedComplexSelector: findType("InterpolatedComplexSelector"),
  	      InterpolatedComplexSelectorComponent: findType("InterpolatedComplexSelectorComponent"),
  	      InterpolatedSimpleSelector: findType("InterpolatedSimpleSelector"),
  	      Interpolation: findType("Interpolation"),
  	      InterpolationBuffer: findType("InterpolationBuffer"),
  	      InterpolationBuffer_2: findType("InterpolationBuffer0"),
  	      InterpolationMap: findType("InterpolationMap"),
  	      InterpolationMap_2: findType("InterpolationMap0"),
  	      Interpolation_2: findType("Interpolation0"),
  	      Iterable_ComplexSelectorComponent: findType("Iterable<ComplexSelectorComponent>"),
  	      Iterable_ComplexSelectorComponent_2: findType("Iterable<ComplexSelectorComponent0>"),
  	      Iterable_dynamic: findType("Iterable<@>"),
  	      JSArray_AstNode: findType("JSArray<AstNode>"),
  	      JSArray_AstNode_2: findType("JSArray<AstNode0>"),
  	      JSArray_AsyncBuiltInCallable: findType("JSArray<AsyncBuiltInCallable>"),
  	      JSArray_AsyncBuiltInCallable_2: findType("JSArray<AsyncBuiltInCallable0>"),
  	      JSArray_AsyncCallable: findType("JSArray<AsyncCallable>"),
  	      JSArray_AsyncCallable_2: findType("JSArray<AsyncCallable0>"),
  	      JSArray_AsyncImporter: findType("JSArray<AsyncImporter0>"),
  	      JSArray_AsyncImporter_2: findType("JSArray<AsyncImporter>"),
  	      JSArray_BinaryOperator: findType("JSArray<BinaryOperator>"),
  	      JSArray_BinaryOperator_2: findType("JSArray<BinaryOperator0>"),
  	      JSArray_BuiltInCallable: findType("JSArray<BuiltInCallable>"),
  	      JSArray_BuiltInCallable_2: findType("JSArray<BuiltInCallable0>"),
  	      JSArray_Callable: findType("JSArray<Callable0>"),
  	      JSArray_Callable_2: findType("JSArray<Callable>"),
  	      JSArray_ColorChannel: findType("JSArray<ColorChannel>"),
  	      JSArray_ColorChannel_2: findType("JSArray<ColorChannel0>"),
  	      JSArray_ComplexSelector: findType("JSArray<ComplexSelector>"),
  	      JSArray_ComplexSelectorComponent: findType("JSArray<ComplexSelectorComponent>"),
  	      JSArray_ComplexSelectorComponent_2: findType("JSArray<ComplexSelectorComponent0>"),
  	      JSArray_ComplexSelector_2: findType("JSArray<ComplexSelector0>"),
  	      JSArray_ConfiguredVariable: findType("JSArray<ConfiguredVariable>"),
  	      JSArray_ConfiguredVariable_2: findType("JSArray<ConfiguredVariable0>"),
  	      JSArray_CssComment: findType("JSArray<CssComment>"),
  	      JSArray_CssComment_2: findType("JSArray<CssComment0>"),
  	      JSArray_CssMediaQuery: findType("JSArray<CssMediaQuery>"),
  	      JSArray_CssMediaQuery_2: findType("JSArray<CssMediaQuery0>"),
  	      JSArray_CssNode: findType("JSArray<CssNode>"),
  	      JSArray_CssNode_2: findType("JSArray<CssNode0>"),
  	      JSArray_CssValue_Combinator: findType("JSArray<CssValue<Combinator>>"),
  	      JSArray_CssValue_Combinator_2: findType("JSArray<CssValue0<Combinator0>>"),
  	      JSArray_Entry: findType("JSArray<Entry>"),
  	      JSArray_Expression: findType("JSArray<Expression>"),
  	      JSArray_Expression_2: findType("JSArray<Expression0>"),
  	      JSArray_Extender: findType("JSArray<Extender>"),
  	      JSArray_Extender_2: findType("JSArray<Extender0>"),
  	      JSArray_Extension: findType("JSArray<Extension>"),
  	      JSArray_ExtensionStore: findType("JSArray<ExtensionStore>"),
  	      JSArray_ExtensionStore_2: findType("JSArray<ExtensionStore0>"),
  	      JSArray_Extension_2: findType("JSArray<Extension0>"),
  	      JSArray_ForwardRule: findType("JSArray<ForwardRule>"),
  	      JSArray_ForwardRule_2: findType("JSArray<ForwardRule0>"),
  	      JSArray_Frame: findType("JSArray<Frame>"),
  	      JSArray_Future_nullable_Record_3_int_and_String_and_nullable_String: findType("JSArray<Future<+(int,String,String?)?>>"),
  	      JSArray_IfClause: findType("JSArray<IfClause>"),
  	      JSArray_IfClause_2: findType("JSArray<IfClause0>"),
  	      JSArray_IfConditionExpression: findType("JSArray<IfConditionExpression>"),
  	      JSArray_IfConditionExpression_2: findType("JSArray<IfConditionExpression0>"),
  	      JSArray_Import: findType("JSArray<Import>"),
  	      JSArray_Import_2: findType("JSArray<Import0>"),
  	      JSArray_Importer: findType("JSArray<Importer>"),
  	      JSArray_Importer_2: findType("JSArray<Importer0>"),
  	      JSArray_InterpolatedComplexSelector: findType("JSArray<InterpolatedComplexSelector>"),
  	      JSArray_InterpolatedComplexSelectorComponent: findType("JSArray<InterpolatedComplexSelectorComponent>"),
  	      JSArray_InterpolatedSimpleSelector: findType("JSArray<InterpolatedSimpleSelector>"),
  	      JSArray_Iterable_ComplexSelectorComponent: findType("JSArray<Iterable<ComplexSelectorComponent>>"),
  	      JSArray_Iterable_ComplexSelectorComponent_2: findType("JSArray<Iterable<ComplexSelectorComponent0>>"),
  	      JSArray_JSFunction: findType("JSArray<JSFunction0>"),
  	      JSArray_LinearChannel: findType("JSArray<LinearChannel>"),
  	      JSArray_LinearChannel_2: findType("JSArray<LinearChannel0>"),
  	      JSArray_List_ComplexSelector: findType("JSArray<List<ComplexSelector>>"),
  	      JSArray_List_ComplexSelectorComponent: findType("JSArray<List<ComplexSelectorComponent>>"),
  	      JSArray_List_ComplexSelectorComponent_2: findType("JSArray<List<ComplexSelectorComponent0>>"),
  	      JSArray_List_ComplexSelector_2: findType("JSArray<List<ComplexSelector0>>"),
  	      JSArray_List_Extender: findType("JSArray<List<Extender>>"),
  	      JSArray_List_Extender_2: findType("JSArray<List<Extender0>>"),
  	      JSArray_List_Iterable_ComplexSelectorComponent: findType("JSArray<List<Iterable<ComplexSelectorComponent>>>"),
  	      JSArray_List_Iterable_ComplexSelectorComponent_2: findType("JSArray<List<Iterable<ComplexSelectorComponent0>>>"),
  	      JSArray_Map_String_AstNode: findType("JSArray<Map<String,AstNode>>"),
  	      JSArray_Map_String_AstNode_2: findType("JSArray<Map<String,AstNode0>>"),
  	      JSArray_Map_String_AsyncCallable: findType("JSArray<Map<String,AsyncCallable>>"),
  	      JSArray_Map_String_AsyncCallable_2: findType("JSArray<Map<String,AsyncCallable0>>"),
  	      JSArray_Map_String_Callable: findType("JSArray<Map<String,Callable0>>"),
  	      JSArray_Map_String_Callable_2: findType("JSArray<Map<String,Callable>>"),
  	      JSArray_Map_String_Value: findType("JSArray<Map<String,Value>>"),
  	      JSArray_Map_String_Value_2: findType("JSArray<Map<String,Value0>>"),
  	      JSArray_ModifiableCssImport: findType("JSArray<ModifiableCssImport>"),
  	      JSArray_ModifiableCssImport_2: findType("JSArray<ModifiableCssImport0>"),
  	      JSArray_ModifiableCssNode: findType("JSArray<ModifiableCssNode>"),
  	      JSArray_ModifiableCssNode_2: findType("JSArray<ModifiableCssNode0>"),
  	      JSArray_ModifiableCssParentNode: findType("JSArray<ModifiableCssParentNode>"),
  	      JSArray_ModifiableCssParentNode_2: findType("JSArray<ModifiableCssParentNode0>"),
  	      JSArray_Module_AsyncCallable: findType("JSArray<Module0<AsyncCallable>>"),
  	      JSArray_Module_AsyncCallable_2: findType("JSArray<Module1<AsyncCallable0>>"),
  	      JSArray_Module_Callable: findType("JSArray<Module0<Callable0>>"),
  	      JSArray_Module_Callable_2: findType("JSArray<Module1<Callable>>"),
  	      JSArray_Object: findType("JSArray<Object>"),
  	      JSArray_Parameter: findType("JSArray<Parameter>"),
  	      JSArray_Parameter_2: findType("JSArray<Parameter0>"),
  	      JSArray_PseudoSelector: findType("JSArray<PseudoSelector>"),
  	      JSArray_PseudoSelector_2: findType("JSArray<PseudoSelector0>"),
  	      JSArray_Record_2_Expression_and_Expression: findType("JSArray<+(Expression,Expression)>"),
  	      JSArray_Record_2_Expression_and_Expression_2: findType("JSArray<+(Expression0,Expression0)>"),
  	      JSArray_Record_2_IfConditionExpression_and_String: findType("JSArray<+(IfConditionExpression,String)>"),
  	      JSArray_Record_2_IfConditionExpression_and_String_2: findType("JSArray<+(IfConditionExpression0,String)>"),
  	      JSArray_Record_2_ParameterList_and_Value_Function_List_Value: findType("JSArray<+(ParameterList,Value(List<Value>))>"),
  	      JSArray_Record_2_ParameterList_and_Value_Function_List_Value_2: findType("JSArray<+(ParameterList0,Value0(List<Value0>))>"),
  	      JSArray_Record_2_String_and_AstNode: findType("JSArray<+(String,AstNode)>"),
  	      JSArray_Record_2_String_and_AstNode_2: findType("JSArray<+(String,AstNode0)>"),
  	      JSArray_Record_2_String_and_Value: findType("JSArray<+(String,Value)>"),
  	      JSArray_Record_2_String_and_Value_2: findType("JSArray<+(String,Value0)>"),
  	      JSArray_Record_2_nullable_IfConditionExpression_and_Expression: findType("JSArray<+(IfConditionExpression?,Expression)>"),
  	      JSArray_Record_2_nullable_IfConditionExpression_and_Expression_2: findType("JSArray<+(IfConditionExpression0?,Expression0)>"),
  	      JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span: findType("JSArray<+deprecation,message,span(Deprecation?,String,FileSpan)>"),
  	      JSArray_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2: findType("JSArray<+deprecation,message,span(Deprecation0?,String,FileSpan)>"),
  	      JSArray_SassList: findType("JSArray<SassList>"),
  	      JSArray_SassList_2: findType("JSArray<SassList0>"),
  	      JSArray_SimpleSelector: findType("JSArray<SimpleSelector>"),
  	      JSArray_SimpleSelector_2: findType("JSArray<SimpleSelector0>"),
  	      JSArray_Statement: findType("JSArray<Statement>"),
  	      JSArray_Statement_2: findType("JSArray<Statement0>"),
  	      JSArray_String: findType("JSArray<String>"),
  	      JSArray_StylesheetNode: findType("JSArray<StylesheetNode>"),
  	      JSArray_TargetEntry: findType("JSArray<TargetEntry>"),
  	      JSArray_TargetLineEntry: findType("JSArray<TargetLineEntry>"),
  	      JSArray_Trace: findType("JSArray<Trace>"),
  	      JSArray_UseRule: findType("JSArray<UseRule>"),
  	      JSArray_UseRule_2: findType("JSArray<UseRule0>"),
  	      JSArray_Value: findType("JSArray<Value>"),
  	      JSArray_Value_2: findType("JSArray<Value0>"),
  	      JSArray_WatchEvent: findType("JSArray<WatchEvent>"),
  	      JSArray__Highlight: findType("JSArray<_Highlight>"),
  	      JSArray__Line: findType("JSArray<_Line>"),
  	      JSArray_double: findType("JSArray<double>"),
  	      JSArray_dynamic: findType("JSArray<@>"),
  	      JSArray_int: findType("JSArray<int>"),
  	      JSArray_nullable_FileSpan: findType("JSArray<FileSpan?>"),
  	      JSArray_nullable_Record_3_int_and_String_and_nullable_String: findType("JSArray<+(int,String,String?)?>"),
  	      JSArray_nullable_SassNumber: findType("JSArray<SassNumber?>"),
  	      JSArray_nullable_SassNumber_2: findType("JSArray<SassNumber0?>"),
  	      JSArray_nullable_String: findType("JSArray<String?>"),
  	      JSClass: findType("JSClass0"),
  	      JSFunction: findType("JSFunction0"),
  	      JSImporter: findType("JSImporter"),
  	      JSImporterResult: findType("JSImporterResult"),
  	      JSNull: findType("JSNull"),
  	      JSObject: findType("JSObject"),
  	      JSUrl: findType("JSUrl0"),
  	      JavaScriptFunction: findType("JavaScriptFunction"),
  	      JavaScriptIndexingBehavior_dynamic: findType("JavaScriptIndexingBehavior<@>"),
  	      JsIdentityLinkedHashMap_SimpleSelector_int: findType("JsIdentityLinkedHashMap<SimpleSelector,int>"),
  	      JsIdentityLinkedHashMap_SimpleSelector_int_2: findType("JsIdentityLinkedHashMap<SimpleSelector0,int>"),
  	      JsIdentityLinkedHashMap_of_SelectorList_and_Box_SelectorList: findType("JsIdentityLinkedHashMap<SelectorList,Box<SelectorList>>"),
  	      JsIdentityLinkedHashMap_of_SelectorList_and_Box_SelectorList_2: findType("JsIdentityLinkedHashMap<SelectorList0,Box0<SelectorList0>>"),
  	      JsLinkedHashMap_Symbol_dynamic: findType("JsLinkedHashMap<Symbol0,@>"),
  	      JsSystemError: findType("JsSystemError"),
  	      LimitedMapView_String_ConfiguredValue: findType("LimitedMapView<String,ConfiguredValue>"),
  	      LimitedMapView_String_ConfiguredValue_2: findType("LimitedMapView0<String,ConfiguredValue0>"),
  	      LinearChannel: findType("LinearChannel"),
  	      LinearChannel_2: findType("LinearChannel0"),
  	      List_ComplexSelectorComponent: findType("List<ComplexSelectorComponent>"),
  	      List_ComplexSelectorComponent_2: findType("List<ComplexSelectorComponent0>"),
  	      List_CssComment: findType("List<CssComment>"),
  	      List_CssComment_2: findType("List<CssComment0>"),
  	      List_CssMediaQuery: findType("List<CssMediaQuery>"),
  	      List_CssMediaQuery_2: findType("List<CssMediaQuery0>"),
  	      List_Extension: findType("List<Extension>"),
  	      List_ExtensionStore: findType("List<ExtensionStore>"),
  	      List_ExtensionStore_2: findType("List<ExtensionStore0>"),
  	      List_Extension_2: findType("List<Extension0>"),
  	      List_JSObject: findType("List<JSObject>"),
  	      List_List_ComplexSelectorComponent: findType("List<List<ComplexSelectorComponent>>"),
  	      List_List_ComplexSelectorComponent_2: findType("List<List<ComplexSelectorComponent0>>"),
  	      List_Module_AsyncCallable: findType("List<Module0<AsyncCallable>>"),
  	      List_Module_AsyncCallable_2: findType("List<Module1<AsyncCallable0>>"),
  	      List_Module_Callable: findType("List<Module0<Callable0>>"),
  	      List_Module_Callable_2: findType("List<Module1<Callable>>"),
  	      List_String: findType("List<String>"),
  	      List_WatchEvent: findType("List<WatchEvent>"),
  	      List_dynamic: findType("List<@>"),
  	      List_int: findType("List<int>"),
  	      MapKeySet_Module_AsyncCallable: findType("MapKeySet<Module0<AsyncCallable>>"),
  	      MapKeySet_Module_AsyncCallable_2: findType("MapKeySet<Module1<AsyncCallable0>>"),
  	      MapKeySet_Module_Callable: findType("MapKeySet<Module0<Callable0>>"),
  	      MapKeySet_Module_Callable_2: findType("MapKeySet<Module1<Callable>>"),
  	      MapKeySet_SimpleSelector: findType("MapKeySet<SimpleSelector>"),
  	      MapKeySet_SimpleSelector_2: findType("MapKeySet<SimpleSelector0>"),
  	      MapKeySet_String: findType("MapKeySet<String>"),
  	      MapKeySet_nullable_Object: findType("MapKeySet<Object?>"),
  	      Map_ComplexSelector_Extension: findType("Map<ComplexSelector,Extension>"),
  	      Map_ComplexSelector_Extension_2: findType("Map<ComplexSelector0,Extension0>"),
  	      Map_String_AstNode: findType("Map<String,AstNode>"),
  	      Map_String_AstNode_2: findType("Map<String,AstNode0>"),
  	      Map_String_AsyncCallable: findType("Map<String,AsyncCallable>"),
  	      Map_String_AsyncCallable_2: findType("Map<String,AsyncCallable0>"),
  	      Map_String_Callable: findType("Map<String,Callable0>"),
  	      Map_String_Callable_2: findType("Map<String,Callable>"),
  	      Map_String_Value: findType("Map<String,Value>"),
  	      Map_String_Value_2: findType("Map<String,Value0>"),
  	      Map_String_dynamic: findType("Map<String,@>"),
  	      Map_dynamic_dynamic: findType("Map<@,@>"),
  	      MappedIterable_String_Frame: findType("MappedIterable<String,Frame>"),
  	      MappedListIterable_Frame_Frame: findType("MappedListIterable<Frame,Frame>"),
  	      MappedListIterable_String_Object: findType("MappedListIterable<String,Object>"),
  	      MappedListIterable_String_String: findType("MappedListIterable<String,String>"),
  	      MappedListIterable_String_Trace: findType("MappedListIterable<String,Trace>"),
  	      MappedListIterable_String_Value: findType("MappedListIterable<String,Value>"),
  	      MappedListIterable_String_Value_2: findType("MappedListIterable<String,Value0>"),
  	      MappedListIterable_String_dynamic: findType("MappedListIterable<String,@>"),
  	      MixinRule: findType("MixinRule"),
  	      MixinRule_2: findType("MixinRule0"),
  	      ModifiableBox_SelectorList: findType("ModifiableBox<SelectorList>"),
  	      ModifiableBox_SelectorList_2: findType("ModifiableBox0<SelectorList0>"),
  	      ModifiableCssAtRule: findType("ModifiableCssAtRule"),
  	      ModifiableCssAtRule_2: findType("ModifiableCssAtRule0"),
  	      ModifiableCssKeyframeBlock: findType("ModifiableCssKeyframeBlock"),
  	      ModifiableCssKeyframeBlock_2: findType("ModifiableCssKeyframeBlock0"),
  	      ModifiableCssMediaRule: findType("ModifiableCssMediaRule"),
  	      ModifiableCssMediaRule_2: findType("ModifiableCssMediaRule0"),
  	      ModifiableCssNode: findType("ModifiableCssNode"),
  	      ModifiableCssNode_2: findType("ModifiableCssNode0"),
  	      ModifiableCssParentNode: findType("ModifiableCssParentNode"),
  	      ModifiableCssParentNode_2: findType("ModifiableCssParentNode0"),
  	      ModifiableCssStyleRule: findType("ModifiableCssStyleRule"),
  	      ModifiableCssStyleRule_2: findType("ModifiableCssStyleRule0"),
  	      ModifiableCssSupportsRule: findType("ModifiableCssSupportsRule"),
  	      ModifiableCssSupportsRule_2: findType("ModifiableCssSupportsRule0"),
  	      Module_AsyncCallable: findType("Module0<AsyncCallable>"),
  	      Module_AsyncCallable_2: findType("Module1<AsyncCallable0>"),
  	      Module_Callable: findType("Module0<Callable0>"),
  	      Module_Callable_2: findType("Module1<Callable>"),
  	      MultiSourceSpanFormatException: findType("MultiSourceSpanFormatException"),
  	      NativeTypedArrayOfDouble: findType("NativeTypedArrayOfDouble"),
  	      NativeTypedArrayOfInt: findType("NativeTypedArrayOfInt"),
  	      NativeUint8List: findType("NativeUint8List"),
  	      Never: findType("0&"),
  	      NodeCompileResult: findType("NodeCompileResult"),
  	      NodeImporterResult: findType("NodeImporterResult0"),
  	      NonNullsIterable_Future_void: findType("NonNullsIterable<Future<~>>"),
  	      NonNullsIterable_Object: findType("NonNullsIterable<Object>"),
  	      NonNullsIterable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl: findType("NonNullsIterable<+originalUrl(AsyncImporter,Uri,Uri)>"),
  	      NonNullsIterable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2: findType("NonNullsIterable<+originalUrl(AsyncImporter0,Uri,Uri)>"),
  	      NonNullsIterable_Record_3_Importer_and_Uri_and_Uri_originalUrl: findType("NonNullsIterable<+originalUrl(Importer,Uri,Uri)>"),
  	      NonNullsIterable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2: findType("NonNullsIterable<+originalUrl(Importer0,Uri,Uri)>"),
  	      NonNullsIterable_SelectorList: findType("NonNullsIterable<SelectorList>"),
  	      NonNullsIterable_SelectorList_2: findType("NonNullsIterable<SelectorList0>"),
  	      NonNullsIterable_String: findType("NonNullsIterable<String>"),
  	      Null: findType("Null"),
  	      NumberExpression: findType("NumberExpression"),
  	      NumberExpression_2: findType("NumberExpression0"),
  	      Object: findType("Object"),
  	      Option: findType("Option"),
  	      Parameter: findType("Parameter"),
  	      ParameterList: findType("ParameterList"),
  	      ParameterList_2: findType("ParameterList0"),
  	      Parameter_2: findType("Parameter0"),
  	      PathMap_ChangeType: findType("PathMap<ChangeType>"),
  	      PathMap_Stream_WatchEvent: findType("PathMap<Stream<WatchEvent>>"),
  	      PathMap_String: findType("PathMap<String>"),
  	      PathMap_nullable_String: findType("PathMap<String?>"),
  	      Promise: findType("Promise"),
  	      PseudoSelector: findType("PseudoSelector"),
  	      PseudoSelector_2: findType("PseudoSelector0"),
  	      RangeError: findType("RangeError"),
  	      Record: findType("Record"),
  	      Record_0: findType("+()"),
  	      Record_1_nullable_Object: findType("+(Object?)"),
  	      Record_2_Expression_and_Expression: findType("+(Expression,Expression)"),
  	      Record_2_Expression_and_Expression_2: findType("+(Expression0,Expression0)"),
  	      Record_2_List_Expression_and_Map_String_Expression: findType("+(List<Expression>,Map<String,Expression>)"),
  	      Record_2_List_Expression_and_Map_String_Expression_2: findType("+(List<Expression0>,Map<String,Expression0>)"),
  	      Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet: findType("+loadedUrls,stylesheet(Set<Uri>,CssStylesheet)"),
  	      Record_2_Set_Uri_loadedUrls_and_CssStylesheet_stylesheet_2: findType("+loadedUrls,stylesheet(Set<Uri>,CssStylesheet0)"),
  	      Record_2_String_and_InterpolationMap: findType("+(String,InterpolationMap)"),
  	      Record_2_String_and_InterpolationMap_2: findType("+(String,InterpolationMap0)"),
  	      Record_2_String_and_SourceSpan: findType("+(String,SourceSpan)"),
  	      Record_2_String_and_nullable_InterpolationMap: findType("+(String,InterpolationMap?)"),
  	      Record_2_String_and_nullable_InterpolationMap_2: findType("+(String,InterpolationMap0?)"),
  	      Record_2_Uri_and_bool_forImport: findType("+forImport(Uri,bool)"),
  	      Record_2_nullable_IfConditionExpression_and_Expression: findType("+(IfConditionExpression?,Expression)"),
  	      Record_2_nullable_IfConditionExpression_and_Expression_2: findType("+(IfConditionExpression0?,Expression0)"),
  	      Record_2_nullable_Object_and_nullable_Object: findType("+(Object?,Object?)"),
  	      Record_2_nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_and_bool: findType("+(+originalUrl(AsyncImporter,Uri,Uri)?,bool)"),
  	      Record_2_nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_and_bool_2: findType("+(+originalUrl(AsyncImporter0,Uri,Uri)?,bool)"),
  	      Record_2_nullable_String_and_nullable_String: findType("+(String?,String?)"),
  	      Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl: findType("+originalUrl(AsyncImporter,Uri,Uri)"),
  	      Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2: findType("+originalUrl(AsyncImporter0,Uri,Uri)"),
  	      Record_3_AsyncImporter_and_Uri_and_bool_forImport: findType("+forImport(AsyncImporter,Uri,bool)"),
  	      Record_3_AsyncImporter_and_Uri_and_bool_forImport_2: findType("+forImport(AsyncImporter0,Uri,bool)"),
  	      Record_3_Importer_and_Uri_and_Uri_originalUrl: findType("+originalUrl(Importer,Uri,Uri)"),
  	      Record_3_Importer_and_Uri_and_Uri_originalUrl_2: findType("+originalUrl(Importer0,Uri,Uri)"),
  	      Record_3_Importer_and_Uri_and_bool_forImport: findType("+forImport(Importer,Uri,bool)"),
  	      Record_3_Importer_and_Uri_and_bool_forImport_2: findType("+forImport(Importer0,Uri,bool)"),
  	      Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency: findType("+importer,isDependency(Stylesheet,AsyncImporter?,bool)"),
  	      Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency_2: findType("+importer,isDependency(Stylesheet0,AsyncImporter0?,bool)"),
  	      Record_3_nullable_Object_and_nullable_Object_and_nullable_Object_originalUrl: findType("+originalUrl(Object?,Object?,Object?)"),
  	      Record_5_Map_String_Value_named_and_Map_String_AstNode_namedNodes_and_List_Value_positional_and_List_AstNode_positionalNodes_and_ListSeparator_separator: findType("+named,namedNodes,positional,positionalNodes,separator(Map<String,Value>,Map<String,AstNode>,List<Value>,List<AstNode>,ListSeparator)"),
  	      Record_5_Map_String_Value_named_and_Map_String_AstNode_namedNodes_and_List_Value_positional_and_List_AstNode_positionalNodes_and_ListSeparator_separator_2: findType("+named,namedNodes,positional,positionalNodes,separator(Map<String,Value0>,Map<String,AstNode0>,List<Value0>,List<AstNode0>,ListSeparator0)"),
  	      RegExpMatch: findType("RegExpMatch"),
  	      RenderContextOptions: findType("RenderContextOptions0"),
  	      RenderResult: findType("RenderResult"),
  	      Result_String: findType("Result<String>"),
  	      ReversedListIterable_Frame: findType("ReversedListIterable<Frame>"),
  	      Runes: findType("Runes"),
  	      SassArgumentList: findType("SassArgumentList"),
  	      SassArgumentList_2: findType("SassArgumentList0"),
  	      SassBoolean: findType("SassBoolean"),
  	      SassBoolean_2: findType("SassBoolean0"),
  	      SassColor: findType("SassColor"),
  	      SassColor_2: findType("SassColor0"),
  	      SassFormatException: findType("SassFormatException"),
  	      SassFormatException_2: findType("SassFormatException0"),
  	      SassList: findType("SassList"),
  	      SassList_2: findType("SassList0"),
  	      SassMap: findType("SassMap"),
  	      SassMap_2: findType("SassMap0"),
  	      SassNumber: findType("SassNumber"),
  	      SassNumber_2: findType("SassNumber0"),
  	      SassRuntimeException: findType("SassRuntimeException"),
  	      SassRuntimeException_2: findType("SassRuntimeException0"),
  	      SassString: findType("SassString"),
  	      SassString_2: findType("SassString0"),
  	      SelectorList: findType("SelectorList"),
  	      SelectorList_2: findType("SelectorList0"),
  	      Set_ModifiableBox_SelectorList: findType("Set<ModifiableBox<SelectorList>>"),
  	      Set_ModifiableBox_SelectorList_2: findType("Set<ModifiableBox0<SelectorList0>>"),
  	      Set_Uri: findType("Set<Uri>"),
  	      SimpleSelector: findType("SimpleSelector"),
  	      SimpleSelector_2: findType("SimpleSelector0"),
  	      SourceFile: findType("SourceFile"),
  	      SourceLocation: findType("SourceLocation"),
  	      SourceSpan: findType("SourceSpan"),
  	      SourceSpanFormatException: findType("SourceSpanFormatException"),
  	      SourceSpanWithContext: findType("SourceSpanWithContext"),
  	      StackTrace: findType("StackTrace"),
  	      Statement: findType("Statement"),
  	      Statement_2: findType("Statement0"),
  	      StaticImport: findType("StaticImport"),
  	      StaticImport_2: findType("StaticImport0"),
  	      StreamCompleter_WatchEvent: findType("StreamCompleter<WatchEvent>"),
  	      StreamGroup_WatchEvent: findType("StreamGroup<WatchEvent>"),
  	      StreamQueue_String: findType("StreamQueue<String>"),
  	      Stream_WatchEvent: findType("Stream<WatchEvent>"),
  	      String: findType("String"),
  	      StringExpression: findType("StringExpression"),
  	      StringExpression_2: findType("StringExpression0"),
  	      StyleRule: findType("StyleRule"),
  	      StyleRule_2: findType("StyleRule0"),
  	      StylesheetNode: findType("StylesheetNode"),
  	      Timer: findType("Timer"),
  	      Trace: findType("Trace"),
  	      TrustedGetRuntimeType: findType("TrustedGetRuntimeType"),
  	      TypeError: findType("TypeError"),
  	      TypeSelector: findType("TypeSelector"),
  	      TypeSelector_2: findType("TypeSelector0"),
  	      Uint16List: findType("Uint16List"),
  	      Uint32List: findType("Uint32List"),
  	      Uint8ClampedList: findType("Uint8ClampedList"),
  	      Uint8List: findType("Uint8List"),
  	      UnionSet_Uri: findType("UnionSet<Uri>"),
  	      UnknownJavaScriptObject: findType("UnknownJavaScriptObject"),
  	      UnmodifiableListView_CssComment: findType("UnmodifiableListView<CssComment>"),
  	      UnmodifiableListView_CssComment_2: findType("UnmodifiableListView<CssComment0>"),
  	      UnmodifiableListView_CssNode: findType("UnmodifiableListView<CssNode>"),
  	      UnmodifiableListView_CssNode_2: findType("UnmodifiableListView<CssNode0>"),
  	      UnmodifiableListView_ForwardRule: findType("UnmodifiableListView<ForwardRule>"),
  	      UnmodifiableListView_ForwardRule_2: findType("UnmodifiableListView<ForwardRule0>"),
  	      UnmodifiableListView_ModifiableCssNode: findType("UnmodifiableListView<ModifiableCssNode>"),
  	      UnmodifiableListView_ModifiableCssNode_2: findType("UnmodifiableListView<ModifiableCssNode0>"),
  	      UnmodifiableListView_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span: findType("UnmodifiableListView<+deprecation,message,span(Deprecation?,String,FileSpan)>"),
  	      UnmodifiableListView_Record_3_nullable_Deprecation_deprecation_and_String_message_and_FileSpan_span_2: findType("UnmodifiableListView<+deprecation,message,span(Deprecation0?,String,FileSpan)>"),
  	      UnmodifiableListView_String: findType("UnmodifiableListView<String>"),
  	      UnmodifiableListView_UseRule: findType("UnmodifiableListView<UseRule>"),
  	      UnmodifiableListView_UseRule_2: findType("UnmodifiableListView<UseRule0>"),
  	      UnmodifiableMapView_String_ArgParser: findType("UnmodifiableMapView<String,ArgParser>"),
  	      UnmodifiableMapView_String_ConfiguredValue: findType("UnmodifiableMapView<String,ConfiguredValue>"),
  	      UnmodifiableMapView_String_ConfiguredValue_2: findType("UnmodifiableMapView<String,ConfiguredValue0>"),
  	      UnmodifiableMapView_String_Option: findType("UnmodifiableMapView<String,Option>"),
  	      UnmodifiableMapView_String_Value: findType("UnmodifiableMapView<String,Value>"),
  	      UnmodifiableMapView_String_Value_2: findType("UnmodifiableMapView<String,Value0>"),
  	      UnmodifiableMapView_of_Uri_and_nullable_StylesheetNode: findType("UnmodifiableMapView<Uri,StylesheetNode?>"),
  	      UnmodifiableMapView_of_nullable_String_and_String: findType("UnmodifiableMapView<String?,String>"),
  	      UnmodifiableMapView_of_nullable_String_and_nullable_String: findType("UnmodifiableMapView<String?,String?>"),
  	      UnmodifiableSetView_String: findType("UnmodifiableSetView0<String>"),
  	      UnmodifiableSetView_StylesheetNode: findType("UnmodifiableSetView0<StylesheetNode>"),
  	      UnmodifiableSetView_Uri: findType("UnmodifiableSetView0<Uri>"),
  	      UnprefixedMapView_ConfiguredValue: findType("UnprefixedMapView<ConfiguredValue>"),
  	      UnprefixedMapView_ConfiguredValue_2: findType("UnprefixedMapView0<ConfiguredValue0>"),
  	      Uri: findType("Uri"),
  	      UseRule: findType("UseRule"),
  	      UserDefinedCallable_AsyncEnvironment: findType("UserDefinedCallable<AsyncEnvironment>"),
  	      UserDefinedCallable_AsyncEnvironment_2: findType("UserDefinedCallable0<AsyncEnvironment0>"),
  	      UserDefinedCallable_Environment: findType("UserDefinedCallable<Environment>"),
  	      UserDefinedCallable_Environment_2: findType("UserDefinedCallable0<Environment0>"),
  	      Value: findType("Value"),
  	      Value_2: findType("Value0"),
  	      Value_Function_List_Value: findType("Value(List<Value>)"),
  	      Value_Function_List_Value_2: findType("Value0(List<Value0>)"),
  	      VariableDeclaration: findType("VariableDeclaration"),
  	      VersionRange: findType("VersionRange"),
  	      WatchEvent: findType("WatchEvent"),
  	      WhereIterable_List_Iterable_ComplexSelectorComponent: findType("WhereIterable<List<Iterable<ComplexSelectorComponent>>>"),
  	      WhereIterable_List_Iterable_ComplexSelectorComponent_2: findType("WhereIterable<List<Iterable<ComplexSelectorComponent0>>>"),
  	      WhereIterable_String: findType("WhereIterable<String>"),
  	      WhereTypeIterable_PseudoSelector: findType("WhereTypeIterable<PseudoSelector>"),
  	      WhereTypeIterable_PseudoSelector_2: findType("WhereTypeIterable<PseudoSelector0>"),
  	      WhereTypeIterable_String: findType("WhereTypeIterable<String>"),
  	      _AsyncCompleter_List_void: findType("_AsyncCompleter<List<~>>"),
  	      _AsyncCompleter_Object: findType("_AsyncCompleter<Object>"),
  	      _AsyncCompleter_Stream_WatchEvent: findType("_AsyncCompleter<Stream<WatchEvent>>"),
  	      _AsyncCompleter_String: findType("_AsyncCompleter<String>"),
  	      _AsyncCompleter_nullable_Object: findType("_AsyncCompleter<Object?>"),
  	      _CompleterStream_WatchEvent: findType("_CompleterStream<WatchEvent>"),
  	      _EventRequest_dynamic: findType("_EventRequest<@>"),
  	      _Future_List_void: findType("_Future<List<~>>"),
  	      _Future_Object: findType("_Future<Object>"),
  	      _Future_Stream_WatchEvent: findType("_Future<Stream<WatchEvent>>"),
  	      _Future_String: findType("_Future<String>"),
  	      _Future_Value: findType("_Future<Value>"),
  	      _Future_Value_2: findType("_Future<Value0>"),
  	      _Future_bool: findType("_Future<bool>"),
  	      _Future_dynamic: findType("_Future<@>"),
  	      _Future_int: findType("_Future<int>"),
  	      _Future_nullable_Object: findType("_Future<Object?>"),
  	      _Future_void: findType("_Future<~>"),
  	      _Highlight: findType("_Highlight"),
  	      _IdentityHashMap_of_nullable_Object_and_nullable_Object: findType("_IdentityHashMap<Object?,Object?>"),
  	      _LinkedIdentityHashSet_ComplexSelector: findType("_LinkedIdentityHashSet<ComplexSelector>"),
  	      _LinkedIdentityHashSet_ComplexSelector_2: findType("_LinkedIdentityHashSet<ComplexSelector0>"),
  	      _LinkedIdentityHashSet_Extension: findType("_LinkedIdentityHashSet<Extension>"),
  	      _LinkedIdentityHashSet_Extension_2: findType("_LinkedIdentityHashSet<Extension0>"),
  	      _MapEntry: findType("_MapEntry"),
  	      _NodeException: findType("_NodeException"),
  	      _PlatformUri: findType("_PlatformUri"),
  	      _SyncStarIterable_Deprecation: findType("_SyncStarIterable<Deprecation0>"),
  	      _SyncStarIterable_Extension: findType("_SyncStarIterable<Extension>"),
  	      _SyncStarIterable_Extension_2: findType("_SyncStarIterable<Extension0>"),
  	      _SyncStarIterable_SimpleSelector: findType("_SyncStarIterable<SimpleSelector>"),
  	      _SyncStarIterable_SimpleSelector_2: findType("_SyncStarIterable<SimpleSelector0>"),
  	      _SyncStarIterable_String: findType("_SyncStarIterable<String>"),
  	      bool: findType("bool"),
  	      double: findType("double"),
  	      dynamic: findType("@"),
  	      dynamic_Function: findType("@()"),
  	      dynamic_Function_Object: findType("@(Object)"),
  	      dynamic_Function_Object_StackTrace: findType("@(Object,StackTrace)"),
  	      int: findType("int"),
  	      nullable_AstNode: findType("AstNode?"),
  	      nullable_AstNode_2: findType("AstNode0?"),
  	      nullable_CanonicalizeContext: findType("CanonicalizeContext?"),
  	      nullable_CanonicalizeContext_2: findType("CanonicalizeContext0?"),
  	      nullable_CssValue_String: findType("CssValue<String>?"),
  	      nullable_CssValue_String_2: findType("CssValue0<String>?"),
  	      nullable_FileSpan: findType("FileSpan?"),
  	      nullable_Future_Null: findType("Future<Null>?"),
  	      nullable_Future_void: findType("Future<~>?"),
  	      nullable_ImporterResult: findType("ImporterResult?"),
  	      nullable_ImporterResult_2: findType("ImporterResult0?"),
  	      nullable_JSObject: findType("JSObject?"),
  	      nullable_Object: findType("Object?"),
  	      nullable_Record_2_String_and_String: findType("+(String,String)?"),
  	      nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl: findType("+originalUrl(AsyncImporter,Uri,Uri)?"),
  	      nullable_Record_3_AsyncImporter_and_Uri_and_Uri_originalUrl_2: findType("+originalUrl(AsyncImporter0,Uri,Uri)?"),
  	      nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl: findType("+originalUrl(Importer,Uri,Uri)?"),
  	      nullable_Record_3_Importer_and_Uri_and_Uri_originalUrl_2: findType("+originalUrl(Importer0,Uri,Uri)?"),
  	      nullable_Record_3_Stylesheet_and_nullable_AsyncImporter_importer_and_bool_isDependency: findType("+importer,isDependency(Stylesheet0,AsyncImporter0?,bool)?"),
  	      nullable_Record_3_int_and_String_and_nullable_String: findType("+(int,String,String?)?"),
  	      nullable_SourceFile: findType("SourceFile?"),
  	      nullable_StreamSubscription_WatchEvent: findType("StreamSubscription<WatchEvent>?"),
  	      nullable_String: findType("String?"),
  	      nullable_Stylesheet: findType("Stylesheet?"),
  	      nullable_StylesheetNode: findType("StylesheetNode?"),
  	      nullable_Stylesheet_2: findType("Stylesheet0?"),
  	      nullable_Uri: findType("Uri?"),
  	      nullable_Value: findType("Value?"),
  	      nullable_Value_2: findType("Value0?"),
  	      nullable__ConstructorOptions: findType("_ConstructorOptions?"),
  	      nullable__ConstructorOptions_2: findType("_ConstructorOptions0?"),
  	      nullable__ConstructorOptions_3: findType("_ConstructorOptions1?"),
  	      nullable__Highlight: findType("_Highlight?"),
  	      nullable_bool: findType("bool?"),
  	      nullable_double: findType("double?"),
  	      nullable_int: findType("int?"),
  	      nullable_num: findType("num?"),
  	      num: findType("num"),
  	      void: findType("~"),
  	      void_Function_Object: findType("~(Object)"),
  	      void_Function_Object_StackTrace: findType("~(Object,StackTrace)")
  	    };
  	  })();
  	  (function constants() {
  	    var makeConstList = hunkHelpers.makeConstList;
  	    B.Interceptor_methods = J.Interceptor.prototype;
  	    B.JSArray_methods = J.JSArray.prototype;
  	    B.JSBool_methods = J.JSBool.prototype;
  	    B.JSInt_methods = J.JSInt.prototype;
  	    B.JSNull_methods = J.JSNull.prototype;
  	    B.JSNumber_methods = J.JSNumber.prototype;
  	    B.JSString_methods = J.JSString.prototype;
  	    B.JavaScriptFunction_methods = J.JavaScriptFunction.prototype;
  	    B.JavaScriptObject_methods = J.JavaScriptObject.prototype;
  	    B.NativeUint32List_methods = A.NativeUint32List.prototype;
  	    B.NativeUint8List_methods = A.NativeUint8List.prototype;
  	    B.PlainJavaScriptObject_methods = J.PlainJavaScriptObject.prototype;
  	    B.UnknownJavaScriptObject_methods = J.UnknownJavaScriptObject.prototype;
  	    B.LinearChannel_Y0V = new A.LinearChannel(0, 1, false, false, false, "red", false, null);
  	    B.LinearChannel_cPl = new A.LinearChannel(0, 1, false, false, false, "green", false, null);
  	    B.LinearChannel_ABN = new A.LinearChannel(0, 1, false, false, false, "blue", false, null);
  	    B.List_U47 = makeConstList([B.LinearChannel_Y0V, B.LinearChannel_cPl, B.LinearChannel_ABN], type$.JSArray_LinearChannel);
  	    B.A98RgbColorSpace_lf2 = new A.A98RgbColorSpace("a98-rgb", B.List_U47);
  	    B.LinearChannel_Y0V0 = new A.LinearChannel0(0, 1, false, false, false, "red", false, null);
  	    B.LinearChannel_cPl0 = new A.LinearChannel0(0, 1, false, false, false, "green", false, null);
  	    B.LinearChannel_ABN0 = new A.LinearChannel0(0, 1, false, false, false, "blue", false, null);
  	    B.List_U470 = makeConstList([B.LinearChannel_Y0V0, B.LinearChannel_cPl0, B.LinearChannel_ABN0], type$.JSArray_LinearChannel_2);
  	    B.A98RgbColorSpace_lf20 = new A.A98RgbColorSpace0("a98-rgb", B.List_U470);
  	    B.AsciiEncoder_127 = new A.AsciiEncoder(127);
  	    B.C_EmptyUnmodifiableSet1 = new A.EmptyUnmodifiableSet(A.findType("EmptyUnmodifiableSet<String>"));
  	    B.AtRootQuery_bfj = new A.AtRootQuery(false, B.C_EmptyUnmodifiableSet1, false, true);
  	    B.AtRootQuery_bfj0 = new A.AtRootQuery0(false, B.C_EmptyUnmodifiableSet1, false, true);
  	    B.AttributeOperator_OrK = new A.AttributeOperator("~=", 1, "include");
  	    B.AttributeOperator_OrK0 = new A.AttributeOperator0("~=", 1, "include");
  	    B.AttributeOperator_g5B = new A.AttributeOperator("|=", 2, "dash");
  	    B.AttributeOperator_g5B0 = new A.AttributeOperator0("|=", 2, "dash");
  	    B.AttributeOperator_h20 = new A.AttributeOperator("*=", 5, "substring");
  	    B.AttributeOperator_h200 = new A.AttributeOperator0("*=", 5, "substring");
  	    B.AttributeOperator_jFZ = new A.AttributeOperator("=", 0, "equal");
  	    B.AttributeOperator_jFZ0 = new A.AttributeOperator0("=", 0, "equal");
  	    B.AttributeOperator_stc = new A.AttributeOperator("^=", 3, "prefix");
  	    B.AttributeOperator_stc0 = new A.AttributeOperator0("^=", 3, "prefix");
  	    B.AttributeOperator_xJ9 = new A.AttributeOperator("$=", 4, "suffix");
  	    B.AttributeOperator_xJ90 = new A.AttributeOperator0("$=", 4, "suffix");
  	    B.BinaryOperator_5vK = new A.BinaryOperator("and", "and", 2, true, 2, "and");
  	    B.BinaryOperator_5vK0 = new A.BinaryOperator0("and", "and", 2, true, 2, "and");
  	    B.BinaryOperator_CG2 = new A.BinaryOperator("less than", "<", 4, false, 7, "lessThan");
  	    B.BinaryOperator_CG20 = new A.BinaryOperator0("less than", "<", 4, false, 7, "lessThan");
  	    B.BinaryOperator_Fv2 = new A.BinaryOperator("not equals", "!=", 3, false, 4, "notEquals");
  	    B.BinaryOperator_Fv20 = new A.BinaryOperator0("not equals", "!=", 3, false, 4, "notEquals");
  	    B.BinaryOperator_K7S = new A.BinaryOperator("equals", "==", 3, false, 3, "equals");
  	    B.BinaryOperator_K7S0 = new A.BinaryOperator0("equals", "==", 3, false, 3, "equals");
  	    B.BinaryOperator_OOf = new A.BinaryOperator("or", "or", 1, true, 1, "or");
  	    B.BinaryOperator_OOf0 = new A.BinaryOperator0("or", "or", 1, true, 1, "or");
  	    B.BinaryOperator_Tic = new A.BinaryOperator("greater than", ">", 4, false, 5, "greaterThan");
  	    B.BinaryOperator_Tic0 = new A.BinaryOperator0("greater than", ">", 4, false, 5, "greaterThan");
  	    B.BinaryOperator_YGt = new A.BinaryOperator("greater than or equals", ">=", 4, false, 6, "greaterThanOrEquals");
  	    B.BinaryOperator_YGt0 = new A.BinaryOperator0("greater than or equals", ">=", 4, false, 6, "greaterThanOrEquals");
  	    B.BinaryOperator_bgA = new A.BinaryOperator("modulo", "%", 6, false, 13, "modulo");
  	    B.BinaryOperator_bgA0 = new A.BinaryOperator0("modulo", "%", 6, false, 13, "modulo");
  	    B.BinaryOperator_ehp = new A.BinaryOperator("divided by", "/", 6, false, 12, "dividedBy");
  	    B.BinaryOperator_ehp0 = new A.BinaryOperator0("divided by", "/", 6, false, 12, "dividedBy");
  	    B.BinaryOperator_f2c = new A.BinaryOperator("less than or equals", "<=", 4, false, 8, "lessThanOrEquals");
  	    B.BinaryOperator_f2c0 = new A.BinaryOperator0("less than or equals", "<=", 4, false, 8, "lessThanOrEquals");
  	    B.BinaryOperator_g6F = new A.BinaryOperator("single equals", "=", 0, false, 0, "singleEquals");
  	    B.BinaryOperator_g6F0 = new A.BinaryOperator0("single equals", "=", 0, false, 0, "singleEquals");
  	    B.BinaryOperator_jCK = new A.BinaryOperator("plus", "+", 5, true, 9, "plus");
  	    B.BinaryOperator_jCK0 = new A.BinaryOperator0("plus", "+", 5, true, 9, "plus");
  	    B.BinaryOperator_tDf = new A.BinaryOperator("minus", "-", 5, false, 10, "minus");
  	    B.BinaryOperator_tDf0 = new A.BinaryOperator0("minus", "-", 5, false, 10, "minus");
  	    B.BinaryOperator_wkM = new A.BinaryOperator("times", "*", 6, true, 11, "times");
  	    B.BinaryOperator_wkM0 = new A.BinaryOperator0("times", "*", 6, true, 11, "times");
  	    B.BooleanOperator_0 = new A.BooleanOperator(0, "and");
  	    B.BooleanOperator_00 = new A.BooleanOperator0(0, "and");
  	    B.BooleanOperator_1 = new A.BooleanOperator(1, "or");
  	    B.BooleanOperator_10 = new A.BooleanOperator0(1, "or");
  	    B.CONSTANT = new A.Instantiation1(A.math0__max$closure(), A.findType("Instantiation1<int>"));
  	    B.C_AsciiCodec = new A.AsciiCodec();
  	    B.C_AsciiGlyphSet = new A.AsciiGlyphSet();
  	    B.C_Base64Encoder = new A.Base64Encoder();
  	    B.C_Base64Codec = new A.Base64Codec();
  	    B.C_DefaultEquality = new A.DefaultEquality();
  	    B.C_DefaultLogger = new A.DefaultLogger();
  	    B.C_DefaultLogger0 = new A.DefaultLogger0();
  	    B.C_EmptyExtensionStore = new A.EmptyExtensionStore();
  	    B.C_EmptyExtensionStore0 = new A.EmptyExtensionStore0();
  	    B.C_EmptyIterator = new A.EmptyIterator();
  	    B.C_EmptyUnmodifiableSet = new A.EmptyUnmodifiableSet(A.findType("EmptyUnmodifiableSet<SimpleSelector>"));
  	    B.C_EmptyUnmodifiableSet0 = new A.EmptyUnmodifiableSet(A.findType("EmptyUnmodifiableSet<SimpleSelector0>"));
  	    B.C_IsCalculationSafeVisitor = new A.IsCalculationSafeVisitor();
  	    B.C_IsCalculationSafeVisitor0 = new A.IsCalculationSafeVisitor0();
  	    B.C_IterableEquality = new A.IterableEquality();
  	    B.C_JS_CONST = function getTagFallback(o) {
  	  var s = Object.prototype.toString.call(o);
  	  return s.substring(8, s.length - 1);
  	};
  	    B.C_JS_CONST0 = function() {
  	  var toStringFunction = Object.prototype.toString;
  	  function getTag(o) {
  	    var s = toStringFunction.call(o);
  	    return s.substring(8, s.length - 1);
  	  }
  	  function getUnknownTag(object, tag) {
  	    if (/^HTML[A-Z].*Element$/.test(tag)) {
  	      var name = toStringFunction.call(object);
  	      if (name == "[object Object]") return null;
  	      return "HTMLElement";
  	    }
  	  }
  	  function getUnknownTagGenericBrowser(object, tag) {
  	    if (object instanceof HTMLElement) return "HTMLElement";
  	    return getUnknownTag(object, tag);
  	  }
  	  function prototypeForTag(tag) {
  	    if (typeof window == "undefined") return null;
  	    if (typeof window[tag] == "undefined") return null;
  	    var constructor = window[tag];
  	    if (typeof constructor != "function") return null;
  	    return constructor.prototype;
  	  }
  	  function discriminator(tag) { return null; }
  	  var isBrowser = typeof HTMLElement == "function";
  	  return {
  	    getTag: getTag,
  	    getUnknownTag: isBrowser ? getUnknownTagGenericBrowser : getUnknownTag,
  	    prototypeForTag: prototypeForTag,
  	    discriminator: discriminator };
  	};
  	    B.C_JS_CONST6 = function(getTagFallback) {
  	  return function(hooks) {
  	    if (typeof navigator != "object") return hooks;
  	    var userAgent = navigator.userAgent;
  	    if (typeof userAgent != "string") return hooks;
  	    if (userAgent.indexOf("DumpRenderTree") >= 0) return hooks;
  	    if (userAgent.indexOf("Chrome") >= 0) {
  	      function confirm(p) {
  	        return typeof window == "object" && window[p] && window[p].name == p;
  	      }
  	      if (confirm("Window") && confirm("HTMLElement")) return hooks;
  	    }
  	    hooks.getTag = getTagFallback;
  	  };
  	};
  	    B.C_JS_CONST1 = function(hooks) {
  	  if (typeof dartExperimentalFixupGetTag != "function") return hooks;
  	  hooks.getTag = dartExperimentalFixupGetTag(hooks.getTag);
  	};
  	    B.C_JS_CONST5 = function(hooks) {
  	  if (typeof navigator != "object") return hooks;
  	  var userAgent = navigator.userAgent;
  	  if (typeof userAgent != "string") return hooks;
  	  if (userAgent.indexOf("Firefox") == -1) return hooks;
  	  var getTag = hooks.getTag;
  	  var quickMap = {
  	    "BeforeUnloadEvent": "Event",
  	    "DataTransfer": "Clipboard",
  	    "GeoGeolocation": "Geolocation",
  	    "Location": "!Location",
  	    "WorkerMessageEvent": "MessageEvent",
  	    "XMLDocument": "!Document"};
  	  function getTagFirefox(o) {
  	    var tag = getTag(o);
  	    return quickMap[tag] || tag;
  	  }
  	  hooks.getTag = getTagFirefox;
  	};
  	    B.C_JS_CONST4 = function(hooks) {
  	  if (typeof navigator != "object") return hooks;
  	  var userAgent = navigator.userAgent;
  	  if (typeof userAgent != "string") return hooks;
  	  if (userAgent.indexOf("Trident/") == -1) return hooks;
  	  var getTag = hooks.getTag;
  	  var quickMap = {
  	    "BeforeUnloadEvent": "Event",
  	    "DataTransfer": "Clipboard",
  	    "HTMLDDElement": "HTMLElement",
  	    "HTMLDTElement": "HTMLElement",
  	    "HTMLPhraseElement": "HTMLElement",
  	    "Position": "Geoposition"
  	  };
  	  function getTagIE(o) {
  	    var tag = getTag(o);
  	    var newTag = quickMap[tag];
  	    if (newTag) return newTag;
  	    if (tag == "Object") {
  	      if (window.DataView && (o instanceof window.DataView)) return "DataView";
  	    }
  	    return tag;
  	  }
  	  function prototypeForTagIE(tag) {
  	    var constructor = window[tag];
  	    if (constructor == null) return null;
  	    return constructor.prototype;
  	  }
  	  hooks.getTag = getTagIE;
  	  hooks.prototypeForTag = prototypeForTagIE;
  	};
  	    B.C_JS_CONST2 = function(hooks) {
  	  var getTag = hooks.getTag;
  	  var prototypeForTag = hooks.prototypeForTag;
  	  function getTagFixed(o) {
  	    var tag = getTag(o);
  	    if (tag == "Document") {
  	      if (!!o.xmlVersion) return "!Document";
  	      return "!HTMLDocument";
  	    }
  	    return tag;
  	  }
  	  function prototypeForTagFixed(tag) {
  	    if (tag == "Document") return null;
  	    return prototypeForTag(tag);
  	  }
  	  hooks.getTag = getTagFixed;
  	  hooks.prototypeForTag = prototypeForTagFixed;
  	};
  	    B.C_JS_CONST3 = function(hooks) { return hooks; }
  	;
  	    B.C_JsonCodec = new A.JsonCodec();
  	    B.C_ListEquality0 = new A.ListEquality();
  	    B.C_ListEquality = new A.ListEquality();
  	    B.C_MapEquality = new A.MapEquality(A.findType("MapEquality<Object,Object>"));
  	    B.C_OutOfMemoryError = new A.OutOfMemoryError();
  	    B.C_SentinelValue = new A.SentinelValue();
  	    B.C_UnicodeGlyphSet = new A.UnicodeGlyphSet();
  	    B.C_Utf8Codec = new A.Utf8Codec();
  	    B.C_Utf8Encoder = new A.Utf8Encoder();
  	    B.C__ColorFormatEnum = new A._ColorFormatEnum();
  	    B.C__ColorFormatEnum0 = new A._ColorFormatEnum0();
  	    B.C__ContainsParentSelectorVisitor = new A._ContainsParentSelectorVisitor();
  	    B.C__ContainsParentSelectorVisitor0 = new A._ContainsParentSelectorVisitor0();
  	    B.C__DelayedDone = new A._DelayedDone();
  	    B.C__HasContentVisitor = new A._HasContentVisitor();
  	    B.C__HasContentVisitor0 = new A._HasContentVisitor0();
  	    B.C__IsUselessVisitor = new A._IsUselessVisitor();
  	    B.C__IsUselessVisitor0 = new A._IsUselessVisitor0();
  	    B.C__JSRandom = new A._JSRandom();
  	    B.C__MakeExpressionCalculationSafe = new A._MakeExpressionCalculationSafe();
  	    B.C__MakeExpressionCalculationSafe0 = new A._MakeExpressionCalculationSafe0();
  	    B.C__ParentSelectorVisitor = new A._ParentSelectorVisitor();
  	    B.C__ParentSelectorVisitor0 = new A._ParentSelectorVisitor0();
  	    B.C__Required = new A._Required();
  	    B.C__RootZone = new A._RootZone();
  	    B.C__SassNull = new A._SassNull();
  	    B.C__SassNull0 = new A._SassNull0();
  	    B.CalculationOperator_KrC = new A.CalculationOperator("minus", "-", 1, 1, "minus");
  	    B.CalculationOperator_KrC0 = new A.CalculationOperator0("minus", "-", 1, 1, "minus");
  	    B.CalculationOperator_LPB = new A.CalculationOperator("times", "*", 2, 2, "times");
  	    B.CalculationOperator_LPB0 = new A.CalculationOperator0("times", "*", 2, 2, "times");
  	    B.CalculationOperator_dpX = new A.CalculationOperator("plus", "+", 1, 0, "plus");
  	    B.CalculationOperator_dpX0 = new A.CalculationOperator0("plus", "+", 1, 0, "plus");
  	    B.CalculationOperator_wFL = new A.CalculationOperator("divided by", "/", 2, 3, "dividedBy");
  	    B.CalculationOperator_wFL0 = new A.CalculationOperator0("divided by", "/", 2, 3, "dividedBy");
  	    B.ChangeType_add = new A.ChangeType("add");
  	    B.ChangeType_modify = new A.ChangeType("modify");
  	    B.ChangeType_remove = new A.ChangeType("remove");
  	    B.ClipGamutMap_clip = new A.ClipGamutMap("clip");
  	    B.ClipGamutMap_clip0 = new A.ClipGamutMap0("clip");
  	    B.Combinator_98W = new A.Combinator("~", 2, "followingSibling");
  	    B.Combinator_98W0 = new A.Combinator0("~", 2, "followingSibling");
  	    B.Combinator_iUF = new A.Combinator(">", 1, "child");
  	    B.Combinator_iUF0 = new A.Combinator0(">", 1, "child");
  	    B.Combinator_sHB = new A.Combinator("+", 0, "nextSibling");
  	    B.Combinator_sHB0 = new A.Combinator0("+", 0, "nextSibling");
  	    B.Object_empty = {};
  	    B.Map_empty18 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,ConfiguredValue>"));
  	    B.Configuration_Map_empty_null = new A.Configuration(B.Map_empty18, null);
  	    B.Map_empty19 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,ConfiguredValue0>"));
  	    B.Configuration_Map_empty_null0 = new A.Configuration0(B.Map_empty19, null);
  	    B.Deprecation_0rM = new A.Deprecation("bogus-combinators", "1.54.0", null, 7, "bogusCombinators");
  	    B.Deprecation_2Ja = new A.Deprecation0("function-name", "1.98.0", "Uppercase reserved function names.", null, 27, "functionName");
  	    B.Deprecation_2PR = new A.Deprecation0("bogus-combinators", "1.54.0", "Leading, trailing, and repeated combinators.", null, 7, "bogusCombinators");
  	    B.Deprecation_5Ka = new A.Deprecation("user-authored", null, null, 28, "userAuthored");
  	    B.Deprecation_6BW = new A.Deprecation("import", "1.80.0", null, 20, "import");
  	    B.Deprecation_7Bn = new A.Deprecation("color-module-compat", "1.23.0", null, 5, "colorModuleCompat");
  	    B.Deprecation_7TE = new A.Deprecation("function-units", "1.56.0", null, 9, "functionUnits");
  	    B.Deprecation_8Zg = new A.Deprecation("misplaced-rest", "1.91.0", null, 24, "misplacedRest");
  	    B.Deprecation_DVV = new A.Deprecation0("duplicate-var-flags", "1.62.0", "Using !default or !global multiple times for one variable.", null, 10, "duplicateVarFlags");
  	    B.Deprecation_Gmv = new A.Deprecation0("moz-document", "1.7.2", "@-moz-document.", null, 2, "mozDocument");
  	    B.Deprecation_H4k = new A.Deprecation("function-name", "1.98.0", null, 27, "functionName");
  	    B.Deprecation_HUu = new A.Deprecation("elseif", "1.3.2", null, 1, "elseif");
  	    B.Deprecation_IqB = new A.Deprecation("relative-canonical", "1.14.2", null, 3, "relativeCanonical");
  	    B.Deprecation_Jgi = new A.Deprecation0("misplaced-rest", "1.91.0", "A rest parameter before a positional or named parameter.", null, 24, "misplacedRest");
  	    B.Deprecation_K9u = new A.Deprecation("strict-unary", "1.55.0", null, 8, "strictUnary");
  	    B.Deprecation_Kh7 = new A.Deprecation0("strict-unary", "1.55.0", "Ambiguous + and - operators.", null, 8, "strictUnary");
  	    B.Deprecation_L3L = new A.Deprecation0("import", "1.80.0", "@import rules.", null, 20, "import");
  	    B.Deprecation_LIY = new A.Deprecation0("call-string", "0.0.0", "Passing a string directly to meta.call().", null, 0, "callString");
  	    B.Deprecation_LUk = new A.Deprecation0("fs-importer-cwd", "1.73.0", "Using the current working directory as an implicit load path.", null, 13, "fsImporterCwd");
  	    B.Deprecation_PGp = new A.Deprecation0("legacy-js-api", "1.79.0", "Legacy JS API.", null, 19, "legacyJsApi");
  	    B.Deprecation_PHd = new A.Deprecation0("function-units", "1.56.0", "Passing invalid units to built-in functions.", null, 9, "functionUnits");
  	    B.Deprecation_PY0 = new A.Deprecation("feature-exists", "1.78.0", null, 16, "featureExists");
  	    B.Deprecation_PmQ = new A.Deprecation("moz-document", "1.7.2", null, 2, "mozDocument");
  	    B.Deprecation_SGB = new A.Deprecation0("global-builtin", "1.80.0", "Global built-in functions that are available in sass: modules.", null, 21, "globalBuiltin");
  	    B.Deprecation_Usi = new A.Deprecation("abs-percent", "1.65.0", null, 12, "absPercent");
  	    B.Deprecation_VUl = new A.Deprecation0("elseif", "1.3.2", "@elseif.", null, 1, "elseif");
  	    B.Deprecation_Vc9 = new A.Deprecation0("relative-canonical", "1.14.2", "Imports using relative canonical URLs.", null, 3, "relativeCanonical");
  	    B.Deprecation_WW3 = new A.Deprecation("global-builtin", "1.80.0", null, 21, "globalBuiltin");
  	    B.Deprecation_alT = new A.Deprecation0("color-4-api", "1.79.0", "Certain uses of built-in sass:color functions.", null, 17, "color4Api");
  	    B.Deprecation_c4i = new A.Deprecation("call-string", "0.0.0", null, 0, "callString");
  	    B.Deprecation_hJG = new A.Deprecation0("color-functions", "1.79.0", "Using global color functions instead of sass:color.", null, 18, "colorFunctions");
  	    B.Deprecation_jGw = new A.Deprecation("new-global", "1.17.2", null, 4, "newGlobal");
  	    B.Deprecation_kGe = new A.Deprecation0("user-authored", null, null, null, 28, "userAuthored");
  	    B.Deprecation_lkJ = new A.Deprecation0("with-private", "1.92.0", "Configuring private variables in @use, @forward, or load-css().", null, 25, "withPrivate");
  	    B.Deprecation_mXO = new A.Deprecation("with-private", "1.92.0", null, 25, "withPrivate");
  	    B.Deprecation_mqF = new A.Deprecation0("color-module-compat", "1.23.0", "Using color module functions in place of plain CSS functions.", null, 5, "colorModuleCompat");
  	    B.Deprecation_nRC = new A.Deprecation("duplicate-var-flags", "1.62.0", null, 10, "duplicateVarFlags");
  	    B.Deprecation_ox0 = new A.Deprecation0("null-alpha", "1.62.3", "Passing null as alpha in the JS API.", null, 11, "nullAlpha");
  	    B.Deprecation_p2t = new A.Deprecation0("feature-exists", "1.78.0", "meta.feature-exists", null, 16, "featureExists");
  	    B.Deprecation_pwd = new A.Deprecation0("new-global", "1.17.2", "Declaring new variables with !global.", null, 4, "newGlobal");
  	    B.Deprecation_qPD = new A.Deprecation("if-function", "1.95.0", null, 26, "ifFunction");
  	    B.Deprecation_qZ1 = new A.Deprecation("slash-div", "1.33.0", null, 6, "slashDiv");
  	    B.Deprecation_qka = new A.Deprecation0("if-function", "1.95.0", "The Sass if($condition, $if-true, $if-false) function.", null, 26, "ifFunction");
  	    B.Deprecation_r8S = new A.Deprecation("compile-string-relative-url", "1.88.0", null, 23, "compileStringRelativeUrl");
  	    B.Deprecation_uJ0 = new A.Deprecation("fs-importer-cwd", "1.73.0", null, 13, "fsImporterCwd");
  	    B.Deprecation_uZO = new A.Deprecation0("calc-interp", null, null, null, 29, "calcInterp");
  	    B.Deprecation_v81 = new A.Deprecation0("slash-div", "1.33.0", "/ operator for division.", null, 6, "slashDiv");
  	    B.Deprecation_w3M = new A.Deprecation0("abs-percent", "1.65.0", "Passing percentages to the Sass abs() function.", null, 12, "absPercent");
  	    B.Deprecation_y9Y = new A.Deprecation0("compile-string-relative-url", "1.88.0", "Passing a relative url to compileString().", null, 23, "compileStringRelativeUrl");
  	    B.Deprecation_zUK = new A.Deprecation("color-functions", "1.79.0", null, 18, "colorFunctions");
  	    B.DisplayP3ColorSpace_MmT = new A.DisplayP3ColorSpace("display-p3", B.List_U47);
  	    B.DisplayP3ColorSpace_MmT0 = new A.DisplayP3ColorSpace0("display-p3", B.List_U470);
  	    B.DisplayP3LinearColorSpace_PrP = new A.DisplayP3LinearColorSpace("display-p3-linear", B.List_U47);
  	    B.DisplayP3LinearColorSpace_PrP0 = new A.DisplayP3LinearColorSpace0("display-p3-linear", B.List_U470);
  	    B.Duration_0 = new A.Duration(0);
  	    B.ExtendMode_allTargets_2_allTargets = new A.ExtendMode("allTargets", 2, "allTargets");
  	    B.ExtendMode_allTargets_2_allTargets0 = new A.ExtendMode0("allTargets", 2, "allTargets");
  	    B.ExtendMode_normal_0_normal = new A.ExtendMode("normal", 0, "normal");
  	    B.ExtendMode_normal_0_normal0 = new A.ExtendMode0("normal", 0, "normal");
  	    B.ExtendMode_replace_1_replace = new A.ExtendMode("replace", 1, "replace");
  	    B.ExtendMode_replace_1_replace0 = new A.ExtendMode0("replace", 1, "replace");
  	    B.ColorChannel_hue_true_deg = new A.ColorChannel("hue", true, "deg");
  	    B.LinearChannel_Cal = new A.LinearChannel(0, 100, true, true, false, "saturation", false, "%");
  	    B.LinearChannel_w1m = new A.LinearChannel(0, 100, true, false, false, "lightness", false, "%");
  	    B.List_oAL = makeConstList([B.ColorChannel_hue_true_deg, B.LinearChannel_Cal, B.LinearChannel_w1m], type$.JSArray_ColorChannel);
  	    B.HslColorSpace_JQ2 = new A.HslColorSpace("hsl", B.List_oAL);
  	    B.ColorChannel_hue_true_deg0 = new A.ColorChannel0("hue", true, "deg");
  	    B.LinearChannel_Cal0 = new A.LinearChannel0(0, 100, true, true, false, "saturation", false, "%");
  	    B.LinearChannel_w1m0 = new A.LinearChannel0(0, 100, true, false, false, "lightness", false, "%");
  	    B.List_oAL0 = makeConstList([B.ColorChannel_hue_true_deg0, B.LinearChannel_Cal0, B.LinearChannel_w1m0], type$.JSArray_ColorChannel_2);
  	    B.HslColorSpace_JQ20 = new A.HslColorSpace0("hsl", B.List_oAL0);
  	    B.HueInterpolationMethod_0 = new A.HueInterpolationMethod(0, "shorter");
  	    B.HueInterpolationMethod_00 = new A.HueInterpolationMethod0(0, "shorter");
  	    B.HueInterpolationMethod_1 = new A.HueInterpolationMethod(1, "longer");
  	    B.HueInterpolationMethod_10 = new A.HueInterpolationMethod0(1, "longer");
  	    B.HueInterpolationMethod_2 = new A.HueInterpolationMethod(2, "increasing");
  	    B.HueInterpolationMethod_20 = new A.HueInterpolationMethod0(2, "increasing");
  	    B.HueInterpolationMethod_3 = new A.HueInterpolationMethod(3, "decreasing");
  	    B.HueInterpolationMethod_30 = new A.HueInterpolationMethod0(3, "decreasing");
  	    B.LinearChannel_mPM = new A.LinearChannel(0, 100, true, false, false, "whiteness", false, "%");
  	    B.LinearChannel_NBP = new A.LinearChannel(0, 100, true, false, false, "blackness", false, "%");
  	    B.List_Ar1 = makeConstList([B.ColorChannel_hue_true_deg, B.LinearChannel_mPM, B.LinearChannel_NBP], type$.JSArray_ColorChannel);
  	    B.HwbColorSpace_guQ = new A.HwbColorSpace("hwb", B.List_Ar1);
  	    B.LinearChannel_mPM0 = new A.LinearChannel0(0, 100, true, false, false, "whiteness", false, "%");
  	    B.LinearChannel_NBP0 = new A.LinearChannel0(0, 100, true, false, false, "blackness", false, "%");
  	    B.List_Ar10 = makeConstList([B.ColorChannel_hue_true_deg0, B.LinearChannel_mPM0, B.LinearChannel_NBP0], type$.JSArray_ColorChannel_2);
  	    B.HwbColorSpace_guQ0 = new A.HwbColorSpace0("hwb", B.List_Ar10);
  	    B.JsonDecoder_null = new A.JsonDecoder(null);
  	    B.JsonEncoder_null = new A.JsonEncoder(null);
  	    B.LinearChannel_rY5 = new A.LinearChannel(0, 100, false, true, true, "lightness", false, "%");
  	    B.LinearChannel_vtc = new A.LinearChannel(-125, 125, false, false, false, "a", false, null);
  	    B.LinearChannel_r83 = new A.LinearChannel(-125, 125, false, false, false, "b", false, null);
  	    B.List_KEo = makeConstList([B.LinearChannel_rY5, B.LinearChannel_vtc, B.LinearChannel_r83], type$.JSArray_ColorChannel);
  	    B.LabColorSpace_2nT = new A.LabColorSpace("lab", B.List_KEo);
  	    B.LinearChannel_rY50 = new A.LinearChannel0(0, 100, false, true, true, "lightness", false, "%");
  	    B.LinearChannel_vtc0 = new A.LinearChannel0(-125, 125, false, false, false, "a", false, null);
  	    B.LinearChannel_r830 = new A.LinearChannel0(-125, 125, false, false, false, "b", false, null);
  	    B.List_KEo0 = makeConstList([B.LinearChannel_rY50, B.LinearChannel_vtc0, B.LinearChannel_r830], type$.JSArray_ColorChannel_2);
  	    B.LabColorSpace_2nT0 = new A.LabColorSpace0("lab", B.List_KEo0);
  	    B.LinearChannel_JUs = new A.LinearChannel(0, 150, false, true, false, "chroma", false, null);
  	    B.List_grF = makeConstList([B.LinearChannel_rY5, B.LinearChannel_JUs, B.ColorChannel_hue_true_deg], type$.JSArray_ColorChannel);
  	    B.LchColorSpace_Bpv = new A.LchColorSpace("lch", B.List_grF);
  	    B.LinearChannel_JUs0 = new A.LinearChannel0(0, 150, false, true, false, "chroma", false, null);
  	    B.List_grF0 = makeConstList([B.LinearChannel_rY50, B.LinearChannel_JUs0, B.ColorChannel_hue_true_deg0], type$.JSArray_ColorChannel_2);
  	    B.LchColorSpace_Bpv0 = new A.LchColorSpace0("lch", B.List_grF0);
  	    B.LineFeed_2_lf = new A.LineFeed(2, "lf");
  	    B.LineFeed_3HY = new A.LineFeed0("cr", "\r", 0, "cr");
  	    B.LineFeed_Kui = new A.LineFeed0("lfcr", "\n\r", 3, "lfcr");
  	    B.LineFeed_aqi = new A.LineFeed0("crlf", "\r\n", 1, "crlf");
  	    B.LineFeed_oJz = new A.LineFeed0("lf", "\n", 2, "lf");
  	    B.LinearChannel_XL8 = new A.LinearChannel(0, 1, false, false, false, "alpha", false, null);
  	    B.LinearChannel_XL80 = new A.LinearChannel0(0, 1, false, false, false, "alpha", false, null);
  	    B.LinearChannel_Z5r = new A.LinearChannel(0, 255, false, true, true, "green", false, null);
  	    B.LinearChannel_Z5r0 = new A.LinearChannel0(0, 255, false, true, true, "green", false, null);
  	    B.LinearChannel_qXC = new A.LinearChannel(0, 255, false, true, true, "red", false, null);
  	    B.LinearChannel_qXC0 = new A.LinearChannel0(0, 255, false, true, true, "red", false, null);
  	    B.LinearChannel_vJ3 = new A.LinearChannel(0, 255, false, true, true, "blue", false, null);
  	    B.LinearChannel_vJ30 = new A.LinearChannel0(0, 255, false, true, true, "blue", false, null);
  	    B.ListSeparator_Lul = new A.ListSeparator("slash", "/", 2, "slash");
  	    B.ListSeparator_Lul0 = new A.ListSeparator0("slash", "/", 2, "slash");
  	    B.ListSeparator_SrV = new A.ListSeparator("space", " ", 0, "space");
  	    B.ListSeparator_SrV0 = new A.ListSeparator0("space", " ", 0, "space");
  	    B.ListSeparator_undecided_null_3_undecided = new A.ListSeparator("undecided", null, 3, "undecided");
  	    B.ListSeparator_undecided_null_3_undecided0 = new A.ListSeparator0("undecided", null, 3, "undecided");
  	    B.ListSeparator_z0K = new A.ListSeparator("comma", ",", 1, "comma");
  	    B.ListSeparator_z0K0 = new A.ListSeparator0("comma", ",", 1, "comma");
  	    B.Deprecation_uqF = new A.Deprecation0("css-function-mixin", "1.76.0", "Function and mixin names beginning with --.", "1.94.0", 14, "cssFunctionMixin");
  	    B.Deprecation_Fpx = new A.Deprecation0("mixed-decls", "1.77.7", "Declarations after or between nested rules.", "1.92.0", 15, "mixedDecls");
  	    B.Deprecation_Byo = new A.Deprecation0("type-function", "1.86.0", 'Functions named "type".', "1.92.0", 22, "typeFunction");
  	    B.List_0vi = makeConstList([B.Deprecation_LIY, B.Deprecation_VUl, B.Deprecation_Gmv, B.Deprecation_Vc9, B.Deprecation_pwd, B.Deprecation_mqF, B.Deprecation_v81, B.Deprecation_2PR, B.Deprecation_Kh7, B.Deprecation_PHd, B.Deprecation_DVV, B.Deprecation_ox0, B.Deprecation_w3M, B.Deprecation_LUk, B.Deprecation_uqF, B.Deprecation_Fpx, B.Deprecation_p2t, B.Deprecation_alT, B.Deprecation_hJG, B.Deprecation_PGp, B.Deprecation_L3L, B.Deprecation_SGB, B.Deprecation_Byo, B.Deprecation_y9Y, B.Deprecation_Jgi, B.Deprecation_lkJ, B.Deprecation_qka, B.Deprecation_2Ja, B.Deprecation_kGe, B.Deprecation_uZO], A.findType("JSArray<Deprecation0>"));
  	    B.Object_84Z = {em: 0, rem: 1, ex: 2, rex: 3, cap: 4, rcap: 5, ch: 6, rch: 7, ic: 8, ric: 9, lh: 10, rlh: 11, vw: 12, lvw: 13, svw: 14, dvw: 15, vh: 16, lvh: 17, svh: 18, dvh: 19, vi: 20, lvi: 21, svi: 22, dvi: 23, vb: 24, lvb: 25, svb: 26, dvb: 27, vmin: 28, lvmin: 29, svmin: 30, dvmin: 31, vmax: 32, lvmax: 33, svmax: 34, dvmax: 35, cqw: 36, cqh: 37, cqi: 38, cqb: 39, cqmin: 40, cqmax: 41, cm: 42, mm: 43, q: 44, in: 45, pt: 46, pc: 47, px: 48};
  	    B.Set_V30th = new A.ConstantStringSet(B.Object_84Z, 49, type$.ConstantStringSet_String);
  	    B.Object_a6W = {deg: 0, grad: 1, rad: 2, turn: 3};
  	    B.Set_5FBBb = new A.ConstantStringSet(B.Object_a6W, 4, type$.ConstantStringSet_String);
  	    B.Object_s_0_ms_1 = {s: 0, ms: 1};
  	    B.Set_cXesm = new A.ConstantStringSet(B.Object_s_0_ms_1, 2, type$.ConstantStringSet_String);
  	    B.Object_hz_0_khz_1 = {hz: 0, khz: 1};
  	    B.Set_1Tayw = new A.ConstantStringSet(B.Object_hz_0_khz_1, 2, type$.ConstantStringSet_String);
  	    B.Object_CHz = {dpi: 0, dpcm: 1, dppx: 2};
  	    B.Set_w2NC6 = new A.ConstantStringSet(B.Object_CHz, 3, type$.ConstantStringSet_String);
  	    B.List_BFg = makeConstList([B.Set_V30th, B.Set_5FBBb, B.Set_cXesm, B.Set_1Tayw, B.Set_w2NC6], A.findType("JSArray<Set<String>>"));
  	    B.List_UqK = makeConstList([B.CalculationOperator_dpX0, B.CalculationOperator_KrC0, B.CalculationOperator_LPB0, B.CalculationOperator_wFL0], A.findType("JSArray<CalculationOperator0>"));
  	    B.List_empty29 = makeConstList([], type$.JSArray_AsyncCallable_2);
  	    B.List_empty31 = makeConstList([], type$.JSArray_AsyncImporter);
  	    B.List_empty1 = makeConstList([], type$.JSArray_ComplexSelector);
  	    B.List_empty18 = makeConstList([], type$.JSArray_ComplexSelector_2);
  	    B.List_empty2 = makeConstList([], type$.JSArray_ComplexSelectorComponent);
  	    B.List_empty19 = makeConstList([], type$.JSArray_ComplexSelectorComponent_2);
  	    B.List_empty11 = makeConstList([], type$.JSArray_ConfiguredVariable);
  	    B.List_empty26 = makeConstList([], type$.JSArray_ConfiguredVariable_2);
  	    B.List_empty3 = makeConstList([], type$.JSArray_CssNode);
  	    B.List_empty20 = makeConstList([], type$.JSArray_CssNode_2);
  	    B.List_empty0 = makeConstList([], type$.JSArray_CssValue_Combinator);
  	    B.List_empty17 = makeConstList([], type$.JSArray_CssValue_Combinator_2);
  	    B.List_empty9 = makeConstList([], type$.JSArray_Expression);
  	    B.List_empty24 = makeConstList([], type$.JSArray_Expression_2);
  	    B.List_empty5 = makeConstList([], type$.JSArray_Extension);
  	    B.List_empty21 = makeConstList([], type$.JSArray_Extension_2);
  	    B.List_empty28 = makeConstList([], type$.JSArray_Importer_2);
  	    B.List_empty15 = makeConstList([], type$.JSArray_Module_AsyncCallable);
  	    B.List_empty10 = makeConstList([], type$.JSArray_Module_Callable);
  	    B.List_empty7 = makeConstList([], A.findType("JSArray<Module0<0&>>"));
  	    B.List_empty30 = makeConstList([], type$.JSArray_Module_AsyncCallable_2);
  	    B.List_empty25 = makeConstList([], type$.JSArray_Module_Callable_2);
  	    B.List_empty22 = makeConstList([], A.findType("JSArray<Module1<0&>>"));
  	    B.List_empty12 = makeConstList([], type$.JSArray_Object);
  	    B.List_empty14 = makeConstList([], type$.JSArray_Parameter);
  	    B.List_empty27 = makeConstList([], type$.JSArray_Parameter_2);
  	    B.List_empty16 = makeConstList([], type$.JSArray_Statement);
  	    B.List_empty = makeConstList([], type$.JSArray_String);
  	    B.List_empty8 = makeConstList([], type$.JSArray_Value);
  	    B.List_empty23 = makeConstList([], type$.JSArray_Value_2);
  	    B.List_empty4 = makeConstList([], type$.JSArray_int);
  	    B.List_empty6 = makeConstList([], type$.JSArray_dynamic);
  	    B.List_empty13 = makeConstList([], type$.JSArray_nullable_FileSpan);
  	    B.List_mRc = makeConstList([B.HueInterpolationMethod_00, B.HueInterpolationMethod_10, B.HueInterpolationMethod_20, B.HueInterpolationMethod_30], A.findType("JSArray<HueInterpolationMethod0>"));
  	    B.List_null = makeConstList([null], type$.JSArray_nullable_FileSpan);
  	    B.Deprecation_NNd = new A.Deprecation("null-alpha", "1.62.3", null, 11, "nullAlpha");
  	    B.Deprecation_ov6 = new A.Deprecation("css-function-mixin", "1.76.0", "1.94.0", 14, "cssFunctionMixin");
  	    B.Deprecation_Uqa = new A.Deprecation("mixed-decls", "1.77.7", "1.92.0", 15, "mixedDecls");
  	    B.Deprecation_mme = new A.Deprecation("color-4-api", "1.79.0", null, 17, "color4Api");
  	    B.Deprecation_cfK = new A.Deprecation("legacy-js-api", "1.79.0", null, 19, "legacyJsApi");
  	    B.Deprecation_ST9 = new A.Deprecation("type-function", "1.86.0", "1.92.0", 22, "typeFunction");
  	    B.Deprecation_wGX = new A.Deprecation("calc-interp", null, null, 29, "calcInterp");
  	    B.List_u1I = makeConstList([B.Deprecation_c4i, B.Deprecation_HUu, B.Deprecation_PmQ, B.Deprecation_IqB, B.Deprecation_jGw, B.Deprecation_7Bn, B.Deprecation_qZ1, B.Deprecation_0rM, B.Deprecation_K9u, B.Deprecation_7TE, B.Deprecation_nRC, B.Deprecation_NNd, B.Deprecation_Usi, B.Deprecation_uJ0, B.Deprecation_ov6, B.Deprecation_Uqa, B.Deprecation_PY0, B.Deprecation_mme, B.Deprecation_zUK, B.Deprecation_cfK, B.Deprecation_6BW, B.Deprecation_WW3, B.Deprecation_ST9, B.Deprecation_r8S, B.Deprecation_8Zg, B.Deprecation_mXO, B.Deprecation_qPD, B.Deprecation_H4k, B.Deprecation_5Ka, B.Deprecation_wGX], A.findType("JSArray<Deprecation>"));
  	    B.LinearChannel_n2W = new A.LinearChannel(0, 1, false, false, false, "long", false, null);
  	    B.LinearChannel_ZmQ = new A.LinearChannel(0, 1, false, false, false, "medium", false, null);
  	    B.LinearChannel_yJH = new A.LinearChannel(0, 1, false, false, false, "short", false, null);
  	    B.List_wOx = makeConstList([B.LinearChannel_n2W, B.LinearChannel_ZmQ, B.LinearChannel_yJH], type$.JSArray_ColorChannel);
  	    B.LmsColorSpace_Os3 = new A.LmsColorSpace("lms", B.List_wOx);
  	    B.LinearChannel_n2W0 = new A.LinearChannel0(0, 1, false, false, false, "long", false, null);
  	    B.LinearChannel_ZmQ0 = new A.LinearChannel0(0, 1, false, false, false, "medium", false, null);
  	    B.LinearChannel_yJH0 = new A.LinearChannel0(0, 1, false, false, false, "short", false, null);
  	    B.List_wOx0 = makeConstList([B.LinearChannel_n2W0, B.LinearChannel_ZmQ0, B.LinearChannel_yJH0], type$.JSArray_ColorChannel_2);
  	    B.LmsColorSpace_Os30 = new A.LmsColorSpace0("lms", B.List_wOx0);
  	    B.LocalMindeGamutMap_A2x = new A.LocalMindeGamutMap("local-minde");
  	    B.LocalMindeGamutMap_A2x0 = new A.LocalMindeGamutMap0("local-minde");
  	    B.Object_CSf = {in: 0, cm: 1, pc: 2, mm: 3, q: 4, pt: 5, px: 6, deg: 7, grad: 8, rad: 9, turn: 10, s: 11, ms: 12, Hz: 13, kHz: 14, dpi: 15, dpcm: 16, dppx: 17};
  	    B.Object_R4j = {in: 0, cm: 1, pc: 2, mm: 3, q: 4, pt: 5, px: 6};
  	    B.Map_LdTcR = new A.ConstantStringMap(B.Object_R4j, [1, 0.39370078740157477, 0.16666666666666666, 0.03937007874015748, 0.00984251968503937, 0.013888888888888888, 0.010416666666666666], type$.ConstantStringMap_String_double);
  	    B.Map_LdCjQ = new A.ConstantStringMap(B.Object_R4j, [2.54, 1, 0.42333333333333334, 0.1, 0.025, 0.035277777777777776, 0.026458333333333334], type$.ConstantStringMap_String_double);
  	    B.Map_Ldr6M = new A.ConstantStringMap(B.Object_R4j, [6, 2.3622047244094486, 1, 0.2362204724409449, 0.05905511811023623, 0.08333333333333333, 0.0625], type$.ConstantStringMap_String_double);
  	    B.Map_LdTyG = new A.ConstantStringMap(B.Object_R4j, [25.4, 10, 4.233333333333333, 1, 0.25, 0.35277777777777775, 0.26458333333333334], type$.ConstantStringMap_String_double);
  	    B.Map_Ld577 = new A.ConstantStringMap(B.Object_R4j, [101.6, 40, 16.933333333333334, 4, 1, 1.411111111111111, 1.0583333333333333], type$.ConstantStringMap_String_double);
  	    B.Map_LdIVT = new A.ConstantStringMap(B.Object_R4j, [72, 28.346456692913385, 12, 2.834645669291339, 0.7086614173228347, 1, 0.75], type$.ConstantStringMap_String_double);
  	    B.Map_Ld6L5 = new A.ConstantStringMap(B.Object_R4j, [96, 37.79527559055118, 16, 3.7795275590551185, 0.9448818897637796, 1.3333333333333333, 1], type$.ConstantStringMap_String_double);
  	    B.Map_LjNxM = new A.ConstantStringMap(B.Object_a6W, [1, 0.9, 57.29577951308232, 360], type$.ConstantStringMap_String_double);
  	    B.Map_Lj8V1 = new A.ConstantStringMap(B.Object_a6W, [1.1111111111111112, 1, 63.66197723675813, 400], type$.ConstantStringMap_String_double);
  	    B.Map_LjePw = new A.ConstantStringMap(B.Object_a6W, [0.017453292519943295, 0.015707963267948967, 1, 6.283185307179586], type$.ConstantStringMap_String_double);
  	    B.Map_LjtMd = new A.ConstantStringMap(B.Object_a6W, [0.002777777777777778, 0.0025, 0.15915494309189535, 1], type$.ConstantStringMap_String_double);
  	    B.Map_Aezv1 = new A.ConstantStringMap(B.Object_s_0_ms_1, [1, 0.001], type$.ConstantStringMap_String_double);
  	    B.Map_AeI7g = new A.ConstantStringMap(B.Object_s_0_ms_1, [1000, 1], type$.ConstantStringMap_String_double);
  	    B.Object_Hz_0_kHz_1 = {Hz: 0, kHz: 1};
  	    B.Map_kdDCg = new A.ConstantStringMap(B.Object_Hz_0_kHz_1, [1, 1000], type$.ConstantStringMap_String_double);
  	    B.Map_kdBEM = new A.ConstantStringMap(B.Object_Hz_0_kHz_1, [0.001, 1], type$.ConstantStringMap_String_double);
  	    B.Map_vIkFS = new A.ConstantStringMap(B.Object_CHz, [1, 2.54, 96], type$.ConstantStringMap_String_double);
  	    B.Map_vIY7E = new A.ConstantStringMap(B.Object_CHz, [0.39370078740157477, 1, 37.79527559055118], type$.ConstantStringMap_String_double);
  	    B.Map_vIcSC = new A.ConstantStringMap(B.Object_CHz, [0.010416666666666666, 0.026458333333333334, 1], type$.ConstantStringMap_String_double);
  	    B.Map_NtHoP = new A.ConstantStringMap(B.Object_CSf, [B.Map_LdTcR, B.Map_LdCjQ, B.Map_Ldr6M, B.Map_LdTyG, B.Map_Ld577, B.Map_LdIVT, B.Map_Ld6L5, B.Map_LjNxM, B.Map_Lj8V1, B.Map_LjePw, B.Map_LjtMd, B.Map_Aezv1, B.Map_AeI7g, B.Map_kdDCg, B.Map_kdBEM, B.Map_vIkFS, B.Map_vIY7E, B.Map_vIcSC], A.findType("ConstantStringMap<String,Map<String,double>>"));
  	    B.Object_J3y = {length: 0, angle: 1, time: 2, frequency: 3, "pixel density": 4};
  	    B.List_Ldp = makeConstList(["in", "cm", "pc", "mm", "q", "pt", "px"], type$.JSArray_String);
  	    B.List_deg_grad_rad_turn = makeConstList(["deg", "grad", "rad", "turn"], type$.JSArray_String);
  	    B.List_s_ms = makeConstList(["s", "ms"], type$.JSArray_String);
  	    B.List_Hz_kHz = makeConstList(["Hz", "kHz"], type$.JSArray_String);
  	    B.List_dpi_dpcm_dppx = makeConstList(["dpi", "dpcm", "dppx"], type$.JSArray_String);
  	    B.Map_Sr65K = new A.ConstantStringMap(B.Object_J3y, [B.List_Ldp, B.List_deg_grad_rad_turn, B.List_s_ms, B.List_Hz_kHz, B.List_dpi_dpcm_dppx], A.findType("ConstantStringMap<String,List<String>>"));
  	    B.Map_empty7 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module0<AsyncCallable>,List<CssComment>>"));
  	    B.Map_empty = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module0<Callable0>,List<CssComment>>"));
  	    B.Map_empty1 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module0<0&>,List<CssComment>>"));
  	    B.Map_empty16 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module1<AsyncCallable0>,List<CssComment0>>"));
  	    B.Map_empty10 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module1<Callable>,List<CssComment0>>"));
  	    B.Map_empty12 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Module1<0&>,List<CssComment0>>"));
  	    B.Map_empty3 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,AstNode>"));
  	    B.Map_empty13 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,AstNode0>"));
  	    B.Map_empty4 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Expression>"));
  	    B.Map_empty14 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Expression0>"));
  	    B.Map_empty5 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,FileSpan>"));
  	    B.Map_empty8 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Module0<AsyncCallable>>"));
  	    B.Map_empty0 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Module0<Callable0>>"));
  	    B.Map_empty17 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Module1<AsyncCallable0>>"));
  	    B.Map_empty11 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Module1<Callable>>"));
  	    B.Map_empty6 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Value>"));
  	    B.Map_empty15 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String,Value0>"));
  	    B.Map_empty2 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Symbol0,@>"));
  	    B.Map_empty9 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<String?,String>"));
  	    B.LinearChannel_fS8 = new A.LinearChannel(0, 1, false, true, true, "lightness", false, "%");
  	    B.LinearChannel_ffI = new A.LinearChannel(-0.4, 0.4, false, false, false, "a", false, null);
  	    B.LinearChannel_Y6D = new A.LinearChannel(-0.4, 0.4, false, false, false, "b", false, null);
  	    B.List_ZWr = makeConstList([B.LinearChannel_fS8, B.LinearChannel_ffI, B.LinearChannel_Y6D], type$.JSArray_ColorChannel);
  	    B.OklabColorSpace_540 = new A.OklabColorSpace("oklab", B.List_ZWr);
  	    B.LinearChannel_fS80 = new A.LinearChannel0(0, 1, false, true, true, "lightness", false, "%");
  	    B.LinearChannel_ffI0 = new A.LinearChannel0(-0.4, 0.4, false, false, false, "a", false, null);
  	    B.LinearChannel_Y6D0 = new A.LinearChannel0(-0.4, 0.4, false, false, false, "b", false, null);
  	    B.List_ZWr0 = makeConstList([B.LinearChannel_fS80, B.LinearChannel_ffI0, B.LinearChannel_Y6D0], type$.JSArray_ColorChannel_2);
  	    B.OklabColorSpace_5400 = new A.OklabColorSpace0("oklab", B.List_ZWr0);
  	    B.LinearChannel_HTj = new A.LinearChannel(0, 0.4, false, true, false, "chroma", false, null);
  	    B.List_g5j = makeConstList([B.LinearChannel_fS8, B.LinearChannel_HTj, B.ColorChannel_hue_true_deg], type$.JSArray_ColorChannel);
  	    B.OklchColorSpace_9Gj = new A.OklchColorSpace("oklch", B.List_g5j);
  	    B.LinearChannel_HTj0 = new A.LinearChannel0(0, 0.4, false, true, false, "chroma", false, null);
  	    B.List_g5j0 = makeConstList([B.LinearChannel_fS80, B.LinearChannel_HTj0, B.ColorChannel_hue_true_deg0], type$.JSArray_ColorChannel_2);
  	    B.OklchColorSpace_9Gj0 = new A.OklchColorSpace0("oklch", B.List_g5j0);
  	    B.OptionType_1Ol = new A.OptionType("OptionType.multiple");
  	    B.OptionType_tI9 = new A.OptionType("OptionType.flag");
  	    B.OptionType_zZK = new A.OptionType("OptionType.single");
  	    B.OutputStyle_0 = new A.OutputStyle(0, "expanded");
  	    B.OutputStyle_00 = new A.OutputStyle0(0, "expanded");
  	    B.OutputStyle_1 = new A.OutputStyle(1, "compressed");
  	    B.OutputStyle_10 = new A.OutputStyle0(1, "compressed");
  	    B.ProphotoRgbColorSpace_BDz = new A.ProphotoRgbColorSpace("prophoto-rgb", B.List_U47);
  	    B.ProphotoRgbColorSpace_BDz0 = new A.ProphotoRgbColorSpace0("prophoto-rgb", B.List_U470);
  	    B.Rec2020ColorSpace_6oo = new A.Rec2020ColorSpace("rec2020", B.List_U47);
  	    B.Rec2020ColorSpace_6oo0 = new A.Rec2020ColorSpace0("rec2020", B.List_U470);
  	    B.Map_empty20 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<SelectorList,Box<SelectorList>>"));
  	    B.Record2_EmptyExtensionStore_Map_empty = new A._Record_2(B.C_EmptyExtensionStore, B.Map_empty20);
  	    B.Map_empty21 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<SelectorList0,Box0<SelectorList0>>"));
  	    B.Record2_EmptyExtensionStore_Map_empty0 = new A._Record_2(B.C_EmptyExtensionStore0, B.Map_empty21);
  	    B.List_Ds2 = makeConstList([B.LinearChannel_qXC, B.LinearChannel_Z5r, B.LinearChannel_vJ3], type$.JSArray_ColorChannel);
  	    B.RgbColorSpace_i0P = new A.RgbColorSpace("rgb", B.List_Ds2);
  	    B.List_Ds20 = makeConstList([B.LinearChannel_qXC0, B.LinearChannel_Z5r0, B.LinearChannel_vJ30], type$.JSArray_ColorChannel_2);
  	    B.RgbColorSpace_i0P0 = new A.RgbColorSpace0("rgb", B.List_Ds20);
  	    B.SassBoolean_false = new A.SassBoolean(false);
  	    B.SassBoolean_false0 = new A.SassBoolean0(false);
  	    B.SassBoolean_true = new A.SassBoolean(true);
  	    B.SassBoolean_true0 = new A.SassBoolean0(true);
  	    B.SassList_9ua = new A.SassList0(B.List_empty23, B.ListSeparator_undecided_null_3_undecided0, false);
  	    B.SassList_oH0 = new A.SassList(B.List_empty8, B.ListSeparator_z0K, false);
  	    B.SassList_oH00 = new A.SassList0(B.List_empty23, B.ListSeparator_z0K0, false);
  	    B.SassList_oWx = new A.SassList(B.List_empty8, B.ListSeparator_z0K, true);
  	    B.SassList_oWx0 = new A.SassList0(B.List_empty23, B.ListSeparator_z0K0, true);
  	    B.Map_empty22 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Value,Value>"));
  	    B.SassMap_Map_empty = new A.SassMap(B.Map_empty22);
  	    B.Map_empty23 = new A.ConstantStringMap(B.Object_empty, [], A.findType("ConstantStringMap<Value0,Value0>"));
  	    B.SassMap_Map_empty0 = new A.SassMap0(B.Map_empty23);
  	    B.Object_Tro = {is: 0, matches: 1, where: 2};
  	    B.Set_0egh6 = new A.ConstantStringSet(B.Object_Tro, 3, type$.ConstantStringSet_String);
  	    B.Object_SWZ = {and: 0, or: 1, not: 2};
  	    B.Set_6V2Gi = new A.ConstantStringSet(B.Object_SWZ, 3, type$.ConstantStringSet_String);
  	    B.Object_ssn = {sass: 0, style: 1, default: 2};
  	    B.Set_8229z = new A.ConstantStringSet(B.Object_ssn, 3, type$.ConstantStringSet_String);
  	    B.Set_9FDyj = new A.GeneralConstantSet([B.RgbColorSpace_i0P, B.HslColorSpace_JQ2], A.findType("GeneralConstantSet<ColorSpace>"));
  	    B.Set_9FDyj0 = new A.GeneralConstantSet([B.RgbColorSpace_i0P0, B.HslColorSpace_JQ20], A.findType("GeneralConstantSet<ColorSpace0>"));
  	    B.Object_BKa = {".scss": 0, ".sass": 1, ".css": 2};
  	    B.Set_FTDN4 = new A.ConstantStringSet(B.Object_BKa, 3, type$.ConstantStringSet_String);
  	    B.Object_GR4 = {calc: 0, clamp: 1, hypot: 2, sin: 3, cos: 4, tan: 5, asin: 6, acos: 7, atan: 8, sqrt: 9, exp: 10, sign: 11, mod: 12, rem: 13, atan2: 14, pow: 15, log: 16, "calc-size": 17};
  	    B.Set_Pr3yj = new A.ConstantStringSet(B.Object_GR4, 18, type$.ConstantStringSet_String);
  	    B.Set_empty2 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<CssMediaQuery>"));
  	    B.Set_empty6 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<CssMediaQuery0>"));
  	    B.Set_empty3 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<Module0<AsyncCallable>>"));
  	    B.Set_empty0 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<Module0<Callable0>>"));
  	    B.Set_empty7 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<Module1<AsyncCallable0>>"));
  	    B.Set_empty5 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<Module1<Callable>>"));
  	    B.Set_empty1 = new A.ConstantStringSet(B.Object_empty, 0, type$.ConstantStringSet_String);
  	    B.Set_empty4 = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<StylesheetNode>"));
  	    B.Set_empty = new A.ConstantStringSet(B.Object_empty, 0, A.findType("ConstantStringSet<Uri>"));
  	    B.Set_xkEMv = new A.GeneralConstantSet([B.BinaryOperator_wkM, B.BinaryOperator_ehp, B.BinaryOperator_jCK, B.BinaryOperator_tDf], A.findType("GeneralConstantSet<BinaryOperator>"));
  	    B.Set_xkEMv0 = new A.GeneralConstantSet([B.BinaryOperator_wkM0, B.BinaryOperator_ehp0, B.BinaryOperator_jCK0, B.BinaryOperator_tDf0], A.findType("GeneralConstantSet<BinaryOperator0>"));
  	    B.SrgbColorSpace_thf = new A.SrgbColorSpace("srgb", B.List_U47);
  	    B.SrgbColorSpace_thf0 = new A.SrgbColorSpace0("srgb", B.List_U470);
  	    B.SrgbLinearColorSpace_kUj = new A.SrgbLinearColorSpace("srgb-linear", B.List_U47);
  	    B.SrgbLinearColorSpace_kUj0 = new A.SrgbLinearColorSpace0("srgb-linear", B.List_U470);
  	    B.Symbol__canonicalizeContext = new A.Symbol("_canonicalizeContext");
  	    B.Symbol__evaluationContext = new A.Symbol("_evaluationContext");
  	    B.Symbol__extensions = new A.Symbol("_extensions");
  	    B.Symbol__sourceSpecificity = new A.Symbol("_sourceSpecificity");
  	    B.Symbol_call = new A.Symbol("call");
  	    B.Syntax_CSS_2_css = new A.Syntax("CSS", 2, "css");
  	    B.Syntax_CSS_2_css0 = new A.Syntax0("CSS", 2, "css");
  	    B.Syntax_SCSS_0_scss = new A.Syntax("SCSS", 0, "scss");
  	    B.Syntax_SCSS_0_scss0 = new A.Syntax0("SCSS", 0, "scss");
  	    B.Syntax_Sass_1_sass = new A.Syntax("Sass", 1, "sass");
  	    B.Syntax_Sass_1_sass0 = new A.Syntax0("Sass", 1, "sass");
  	    B.Type_ByteBuffer_rqD = A.typeLiteral("ByteBuffer");
  	    B.Type_ByteData_9dB = A.typeLiteral("ByteData");
  	    B.Type_Float32List_9Kz = A.typeLiteral("Float32List");
  	    B.Type_Float64List_9Kz = A.typeLiteral("Float64List");
  	    B.Type_Int16List_s5h = A.typeLiteral("Int16List");
  	    B.Type_Int32List_O8Z = A.typeLiteral("Int32List");
  	    B.Type_Int8List_rFV = A.typeLiteral("Int8List");
  	    B.Type_Object_A4p = A.typeLiteral("Object");
  	    B.Type_Uint16List_kmP = A.typeLiteral("Uint16List");
  	    B.Type_Uint32List_kmP = A.typeLiteral("Uint32List");
  	    B.Type_Uint8ClampedList_04U = A.typeLiteral("Uint8ClampedList");
  	    B.Type_Uint8List_8Eb = A.typeLiteral("Uint8List");
  	    B.UnaryOperator_Y93 = new A.UnaryOperator("divide", "/", 2, "divide");
  	    B.UnaryOperator_Y930 = new A.UnaryOperator0("divide", "/", 2, "divide");
  	    B.UnaryOperator_hCO = new A.UnaryOperator("minus", "-", 1, "minus");
  	    B.UnaryOperator_hCO0 = new A.UnaryOperator0("minus", "-", 1, "minus");
  	    B.UnaryOperator_n2K = new A.UnaryOperator("plus", "+", 0, "plus");
  	    B.UnaryOperator_n2K0 = new A.UnaryOperator0("plus", "+", 0, "plus");
  	    B.UnaryOperator_not_not_3_not = new A.UnaryOperator("not", "not", 3, "not");
  	    B.UnaryOperator_not_not_3_not0 = new A.UnaryOperator0("not", "not", 3, "not");
  	    B.Utf8Decoder_false = new A.Utf8Decoder(false);
  	    B.LinearChannel_LYw = new A.LinearChannel(0, 1, false, false, false, "x", false, null);
  	    B.LinearChannel_eR7 = new A.LinearChannel(0, 1, false, false, false, "y", false, null);
  	    B.LinearChannel_gZl = new A.LinearChannel(0, 1, false, false, false, "z", false, null);
  	    B.List_QRs = makeConstList([B.LinearChannel_LYw, B.LinearChannel_eR7, B.LinearChannel_gZl], type$.JSArray_LinearChannel);
  	    B.XyzD50ColorSpace_2OB = new A.XyzD50ColorSpace("xyz-d50", B.List_QRs);
  	    B.LinearChannel_LYw0 = new A.LinearChannel0(0, 1, false, false, false, "x", false, null);
  	    B.LinearChannel_eR70 = new A.LinearChannel0(0, 1, false, false, false, "y", false, null);
  	    B.LinearChannel_gZl0 = new A.LinearChannel0(0, 1, false, false, false, "z", false, null);
  	    B.List_QRs0 = makeConstList([B.LinearChannel_LYw0, B.LinearChannel_eR70, B.LinearChannel_gZl0], type$.JSArray_LinearChannel_2);
  	    B.XyzD50ColorSpace_2OB0 = new A.XyzD50ColorSpace0("xyz-d50", B.List_QRs0);
  	    B.XyzD65ColorSpace_WiJ = new A.XyzD65ColorSpace("xyz", B.List_QRs);
  	    B.XyzD65ColorSpace_WiJ0 = new A.XyzD65ColorSpace0("xyz", B.List_QRs0);
  	    B._IsBogusVisitor_false = new A._IsBogusVisitor(false);
  	    B._IsBogusVisitor_false0 = new A._IsBogusVisitor0(false);
  	    B._IsBogusVisitor_true = new A._IsBogusVisitor(true);
  	    B._IsBogusVisitor_true0 = new A._IsBogusVisitor0(true);
  	    B._IsInvisibleVisitor_false = new A._IsInvisibleVisitor0(false);
  	    B._IsInvisibleVisitor_false0 = new A._IsInvisibleVisitor2(false);
  	    B._IsInvisibleVisitor_false_false = new A._IsInvisibleVisitor(false, false);
  	    B._IsInvisibleVisitor_false_false0 = new A._IsInvisibleVisitor1(false, false);
  	    B._IsInvisibleVisitor_true = new A._IsInvisibleVisitor0(true);
  	    B._IsInvisibleVisitor_true0 = new A._IsInvisibleVisitor2(true);
  	    B._IsInvisibleVisitor_true_false = new A._IsInvisibleVisitor(true, false);
  	    B._IsInvisibleVisitor_true_false0 = new A._IsInvisibleVisitor1(true, false);
  	    B._IsInvisibleVisitor_true_true = new A._IsInvisibleVisitor(true, true);
  	    B._IsInvisibleVisitor_true_true0 = new A._IsInvisibleVisitor1(true, true);
  	    B._PathDirection_6kc = new A._PathDirection("reaches root");
  	    B._PathDirection_Wme = new A._PathDirection("below root");
  	    B._PathDirection_dMN = new A._PathDirection("at root");
  	    B._PathDirection_vgO = new A._PathDirection("above root");
  	    B._PathRelation_different = new A._PathRelation("different");
  	    B._PathRelation_equal = new A._PathRelation("equal");
  	    B._PathRelation_inconclusive = new A._PathRelation("inconclusive");
  	    B._PathRelation_within = new A._PathRelation("within");
  	    B._SingletonCssMediaQueryMergeResult_0 = new A._SingletonCssMediaQueryMergeResult(0, "empty");
  	    B._SingletonCssMediaQueryMergeResult_00 = new A._SingletonCssMediaQueryMergeResult0(0, "empty");
  	    B._SingletonCssMediaQueryMergeResult_1 = new A._SingletonCssMediaQueryMergeResult(1, "unrepresentable");
  	    B._SingletonCssMediaQueryMergeResult_10 = new A._SingletonCssMediaQueryMergeResult0(1, "unrepresentable");
  	    B._StreamGroupState_canceled = new A._StreamGroupState("canceled");
  	    B._StreamGroupState_dormant = new A._StreamGroupState("dormant");
  	    B._StreamGroupState_listening = new A._StreamGroupState("listening");
  	    B._StreamGroupState_paused = new A._StreamGroupState("paused");
  	    B._StringStackTrace_OdL = new A._StringStackTrace("");
  	    B._ZoneFunction_KjJ = new A._ZoneFunction(B.C__RootZone, A.async___rootHandleUncaughtError$closure());
  	    B._ZoneFunction_PAY = new A._ZoneFunction(B.C__RootZone, A.async___rootCreatePeriodicTimer$closure());
  	    B._ZoneFunction_Xkh = new A._ZoneFunction(B.C__RootZone, A.async___rootRegisterUnaryCallback$closure());
  	    B._ZoneFunction__RootZone__rootCreateTimer = new A._ZoneFunction(B.C__RootZone, A.async___rootCreateTimer$closure());
  	    B._ZoneFunction__RootZone__rootErrorCallback = new A._ZoneFunction(B.C__RootZone, A.async___rootErrorCallback$closure());
  	    B._ZoneFunction__RootZone__rootFork = new A._ZoneFunction(B.C__RootZone, A.async___rootFork$closure());
  	    B._ZoneFunction__RootZone__rootPrint = new A._ZoneFunction(B.C__RootZone, A.async___rootPrint$closure());
  	    B._ZoneFunction__RootZone__rootRegisterCallback = new A._ZoneFunction(B.C__RootZone, A.async___rootRegisterCallback$closure());
  	    B._ZoneFunction__RootZone__rootRun = new A._ZoneFunction(B.C__RootZone, A.async___rootRun$closure());
  	    B._ZoneFunction__RootZone__rootRunBinary = new A._ZoneFunction(B.C__RootZone, A.async___rootRunBinary$closure());
  	    B._ZoneFunction__RootZone__rootRunUnary = new A._ZoneFunction(B.C__RootZone, A.async___rootRunUnary$closure());
  	    B._ZoneFunction__RootZone__rootScheduleMicrotask = new A._ZoneFunction(B.C__RootZone, A.async___rootScheduleMicrotask$closure());
  	    B._ZoneFunction_e9o = new A._ZoneFunction(B.C__RootZone, A.async___rootRegisterBinaryCallback$closure());
  	    B._ZoneSpecification_Ipa = new A._ZoneSpecification(null, null, null, null, null, null, null, null, null, null, null, null, null);
  	  })();
  	  (function staticFields() {
  	    $._JS_INTEROP_INTERCEPTOR_TAG = null;
  	    $._toStringVisiting = A._setArrayType([], type$.JSArray_Object);
  	    $.printToZone = null;
  	    $.Primitives__identityHashCodeProperty = null;
  	    $.BoundClosure__receiverFieldNameCache = null;
  	    $.BoundClosure__interceptorFieldNameCache = null;
  	    $.getTagFunction = null;
  	    $.alternateTagFunction = null;
  	    $.prototypeForTagFunction = null;
  	    $.dispatchRecordsForInstanceTags = null;
  	    $.interceptorsForUncacheableTags = null;
  	    $.initNativeDispatchFlag = null;
  	    $._Record__computedFieldKeys = A._setArrayType([], A.findType("JSArray<List<Object>?>"));
  	    $._nextCallback = null;
  	    $._lastCallback = null;
  	    $._lastPriorityCallback = null;
  	    $._isInCallbackLoop = false;
  	    $.Zone__current = B.C__RootZone;
  	    $._RootZone__rootDelegate = null;
  	    $.Uri__cachedBaseString = "";
  	    $.Uri__cachedBaseUri = null;
  	    $._fs = null;
  	    $._currentUriBase = null;
  	    $._current = null;
  	    $._subselectorPseudos = A.LinkedHashSet_LinkedHashSet$_literal(["is", "matches", "where", "any", "nth-child", "nth-last-child"], type$.String);
  	    $._rootishPseudoClasses = A.LinkedHashSet_LinkedHashSet$_literal(["root", "scope", "host", "host-context"], type$.String);
  	    $._features = A.LinkedHashSet_LinkedHashSet$_literal(["global-variable-shadowing", "extend-selector-pseudoclass", "units-level-3", "at-error", "custom-property"], type$.String);
  	    $._realCaseCache = function() {
  	      var t1 = type$.String;
  	      return A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	    }();
  	    $._default = null;
  	    $.selectorPseudoClasses = A.LinkedHashSet_LinkedHashSet$_literal(["not", "is", "matches", "where", "current", "any", "has", "host", "host-context"], type$.String);
  	    $.selectorPseudoElements = A.LinkedHashSet_LinkedHashSet$_literal(["slotted"], type$.String);
  	    $._glyphs = B.C_UnicodeGlyphSet;
  	    $._default0 = null;
  	    $._rootishPseudoClasses0 = A.LinkedHashSet_LinkedHashSet$_literal(["root", "scope", "host", "host-context"], type$.String);
  	    $._realCaseCache0 = function() {
  	      var t1 = type$.String;
  	      return A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	    }();
  	    $._features0 = A.LinkedHashSet_LinkedHashSet$_literal(["global-variable-shadowing", "extend-selector-pseudoclass", "units-level-3", "at-error", "custom-property"], type$.String);
  	    $.selectorPseudoClasses0 = A.LinkedHashSet_LinkedHashSet$_literal(["not", "is", "matches", "where", "current", "any", "has", "host", "host-context"], type$.String);
  	    $.selectorPseudoElements0 = A.LinkedHashSet_LinkedHashSet$_literal(["slotted"], type$.String);
  	    $._subselectorPseudos0 = A.LinkedHashSet_LinkedHashSet$_literal(["is", "matches", "where", "any", "nth-child", "nth-last-child"], type$.String);
  	  })();
  	  (function lazyInitializers() {
  	    var _lazyFinal = hunkHelpers.lazyFinal,
  	      _lazy = hunkHelpers.lazy;
  	    _lazyFinal($, "DART_CLOSURE_PROPERTY_NAME", "$get$DART_CLOSURE_PROPERTY_NAME", () => A.getIsolateAffinityTag("_$dart_dartClosure"));
  	    _lazyFinal($, "nullFuture", "$get$nullFuture", () => B.C__RootZone.run$1$1(0, new A.nullFuture_closure(), A.findType("Future<~>")));
  	    _lazyFinal($, "_safeToStringHooks", "$get$_safeToStringHooks", () => A._setArrayType([new J.JSArraySafeToStringHook()], A.findType("JSArray<SafeToStringHook>")));
  	    _lazyFinal($, "TypeErrorDecoder_noSuchMethodPattern", "$get$TypeErrorDecoder_noSuchMethodPattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokeCallErrorOn({
  	      toString: function() {
  	        return "$receiver$";
  	      }
  	    })));
  	    _lazyFinal($, "TypeErrorDecoder_notClosurePattern", "$get$TypeErrorDecoder_notClosurePattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokeCallErrorOn({$method$: null,
  	      toString: function() {
  	        return "$receiver$";
  	      }
  	    })));
  	    _lazyFinal($, "TypeErrorDecoder_nullCallPattern", "$get$TypeErrorDecoder_nullCallPattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokeCallErrorOn(null)));
  	    _lazyFinal($, "TypeErrorDecoder_nullLiteralCallPattern", "$get$TypeErrorDecoder_nullLiteralCallPattern", () => A.TypeErrorDecoder_extractPattern(function() {
  	      var $argumentsExpr$ = "$arguments$";
  	      try {
  	        null.$method$($argumentsExpr$);
  	      } catch (e) {
  	        return e.message;
  	      }
  	    }()));
  	    _lazyFinal($, "TypeErrorDecoder_undefinedCallPattern", "$get$TypeErrorDecoder_undefinedCallPattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokeCallErrorOn(void 0)));
  	    _lazyFinal($, "TypeErrorDecoder_undefinedLiteralCallPattern", "$get$TypeErrorDecoder_undefinedLiteralCallPattern", () => A.TypeErrorDecoder_extractPattern(function() {
  	      var $argumentsExpr$ = "$arguments$";
  	      try {
  	        (void 0).$method$($argumentsExpr$);
  	      } catch (e) {
  	        return e.message;
  	      }
  	    }()));
  	    _lazyFinal($, "TypeErrorDecoder_nullPropertyPattern", "$get$TypeErrorDecoder_nullPropertyPattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokePropertyErrorOn(null)));
  	    _lazyFinal($, "TypeErrorDecoder_nullLiteralPropertyPattern", "$get$TypeErrorDecoder_nullLiteralPropertyPattern", () => A.TypeErrorDecoder_extractPattern(function() {
  	      try {
  	        null.$method$;
  	      } catch (e) {
  	        return e.message;
  	      }
  	    }()));
  	    _lazyFinal($, "TypeErrorDecoder_undefinedPropertyPattern", "$get$TypeErrorDecoder_undefinedPropertyPattern", () => A.TypeErrorDecoder_extractPattern(A.TypeErrorDecoder_provokePropertyErrorOn(void 0)));
  	    _lazyFinal($, "TypeErrorDecoder_undefinedLiteralPropertyPattern", "$get$TypeErrorDecoder_undefinedLiteralPropertyPattern", () => A.TypeErrorDecoder_extractPattern(function() {
  	      try {
  	        (void 0).$method$;
  	      } catch (e) {
  	        return e.message;
  	      }
  	    }()));
  	    _lazyFinal($, "_AsyncRun__scheduleImmediateClosure", "$get$_AsyncRun__scheduleImmediateClosure", () => A._AsyncRun__initializeScheduleImmediate());
  	    _lazyFinal($, "Future__nullFuture", "$get$Future__nullFuture", () => $.$get$nullFuture());
  	    _lazyFinal($, "Future__falseFuture", "$get$Future__falseFuture", () => A._Future$zoneValue(false, B.C__RootZone, type$.bool));
  	    _lazyFinal($, "_RootZone__rootMap", "$get$_RootZone__rootMap", () => {
  	      var t1 = type$.dynamic;
  	      return A.HashMap_HashMap(t1, t1);
  	    });
  	    _lazyFinal($, "_Utf8Decoder__reusableBuffer", "$get$_Utf8Decoder__reusableBuffer", () => A.NativeUint8List_NativeUint8List(4096));
  	    _lazyFinal($, "_Utf8Decoder__decoder", "$get$_Utf8Decoder__decoder", () => new A._Utf8Decoder__decoder_closure().call$0());
  	    _lazyFinal($, "_Utf8Decoder__decoderNonfatal", "$get$_Utf8Decoder__decoderNonfatal", () => new A._Utf8Decoder__decoderNonfatal_closure().call$0());
  	    _lazyFinal($, "_Base64Decoder__inverseAlphabet", "$get$_Base64Decoder__inverseAlphabet", () => A.NativeInt8List__create1(A._ensureNativeList(A._setArrayType([-2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -2, -2, -2, -2, -2, 62, -2, 62, -2, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -2, -2, -2, -1, -2, -2, -2, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -2, -2, -2, -2, 63, -2, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -2, -2, -2, -2, -2], type$.JSArray_int))));
  	    _lazyFinal($, "_Uri__isWindowsCached", "$get$_Uri__isWindowsCached", () => {
  	      var t1 = typeof process != "undefined" && Object.prototype.toString.call(process) == "[object process]" && process.platform == "win32";
  	      return t1;
  	    });
  	    _lazyFinal($, "_Uri__needsNoEncoding", "$get$_Uri__needsNoEncoding", () => A.RegExp_RegExp("^[\\-\\.0-9A-Z_a-z~]*$", false));
  	    _lazyFinal($, "_hashSeed", "$get$_hashSeed", () => A.objectHashCode(B.Type_Object_A4p));
  	    _lazyFinal($, "Option__invalidChars", "$get$Option__invalidChars", () => A.RegExp_RegExp("[ \\t\\r\\n\"'\\\\/]", false));
  	    _lazyFinal($, "_isStrictMode", "$get$_isStrictMode", () => new A._isStrictMode_closure().call$0());
  	    _lazyFinal($, "alwaysValid", "$get$alwaysValid", () => new A.alwaysValid_closure());
  	    _lazyFinal($, "readline", "$get$readline", () => self.readline);
  	    _lazyFinal($, "windows", "$get$windows", () => A.Context_Context($.$get$Style_windows()));
  	    _lazyFinal($, "url", "$get$url", () => A.Context_Context($.$get$Style_url()));
  	    _lazyFinal($, "context", "$get$context", () => new A.Context($.$get$Style_platform(), null));
  	    _lazyFinal($, "Style_posix", "$get$Style_posix", () => new A.PosixStyle(A.RegExp_RegExp("/", false), A.RegExp_RegExp("[^/]$", false), A.RegExp_RegExp("^/", false)));
  	    _lazyFinal($, "Style_windows", "$get$Style_windows", () => new A.WindowsStyle(A.RegExp_RegExp("[/\\\\]", false), A.RegExp_RegExp("[^/\\\\]$", false), A.RegExp_RegExp("^(\\\\\\\\[^\\\\]+\\\\[^\\\\/]+|[a-zA-Z]:[/\\\\])", false), A.RegExp_RegExp("^[/\\\\](?![/\\\\])", false)));
  	    _lazyFinal($, "Style_url", "$get$Style_url", () => new A.UrlStyle(A.RegExp_RegExp("/", false), A.RegExp_RegExp("(^[a-zA-Z][-+.a-zA-Z\\d]*://|[^/])$", false), A.RegExp_RegExp("[a-zA-Z][-+.a-zA-Z\\d]*://[^/]*", false), A.RegExp_RegExp("^/", false)));
  	    _lazyFinal($, "Style_platform", "$get$Style_platform", () => A.Style__getPlatformStyle());
  	    _lazyFinal($, "startVersion", "$get$startVersion", () => A.RegExp_RegExp("^(\\d+)\\.(\\d+)\\.(\\d+)(-([0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*))?(\\+([0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*))?", false));
  	    _lazyFinal($, "completeVersion", "$get$completeVersion", () => A.RegExp_RegExp($.$get$startVersion().pattern + "$", false));
  	    _lazyFinal($, "LegacyIfExpression_declaration", "$get$LegacyIfExpression_declaration", () => A.ParameterList_ParameterList$parse(string$.x40funct, null));
  	    _lazyFinal($, "colorsByName", "$get$colorsByName", () => A.LinkedHashMap_LinkedHashMap$_literal(["yellowgreen", A.SassColor_SassColor$rgb(154, 205, 50, 1), "yellow", A.SassColor_SassColor$rgb(255, 255, 0, 1), "whitesmoke", A.SassColor_SassColor$rgb(245, 245, 245, 1), "white", A.SassColor_SassColor$rgb(255, 255, 255, 1), "wheat", A.SassColor_SassColor$rgb(245, 222, 179, 1), "violet", A.SassColor_SassColor$rgb(238, 130, 238, 1), "turquoise", A.SassColor_SassColor$rgb(64, 224, 208, 1), "transparent", A.SassColor_SassColor$rgb(0, 0, 0, 0), "tomato", A.SassColor_SassColor$rgb(255, 99, 71, 1), "thistle", A.SassColor_SassColor$rgb(216, 191, 216, 1), "teal", A.SassColor_SassColor$rgb(0, 128, 128, 1), "tan", A.SassColor_SassColor$rgb(210, 180, 140, 1), "steelblue", A.SassColor_SassColor$rgb(70, 130, 180, 1), "springgreen", A.SassColor_SassColor$rgb(0, 255, 127, 1), "snow", A.SassColor_SassColor$rgb(255, 250, 250, 1), "slategrey", A.SassColor_SassColor$rgb(112, 128, 144, 1), "slategray", A.SassColor_SassColor$rgb(112, 128, 144, 1), "slateblue", A.SassColor_SassColor$rgb(106, 90, 205, 1), "skyblue", A.SassColor_SassColor$rgb(135, 206, 235, 1), "silver", A.SassColor_SassColor$rgb(192, 192, 192, 1), "sienna", A.SassColor_SassColor$rgb(160, 82, 45, 1), "seashell", A.SassColor_SassColor$rgb(255, 245, 238, 1), "seagreen", A.SassColor_SassColor$rgb(46, 139, 87, 1), "sandybrown", A.SassColor_SassColor$rgb(244, 164, 96, 1), "salmon", A.SassColor_SassColor$rgb(250, 128, 114, 1), "saddlebrown", A.SassColor_SassColor$rgb(139, 69, 19, 1), "royalblue", A.SassColor_SassColor$rgb(65, 105, 225, 1), "rosybrown", A.SassColor_SassColor$rgb(188, 143, 143, 1), "red", A.SassColor_SassColor$rgb(255, 0, 0, 1), "rebeccapurple", A.SassColor_SassColor$rgb(102, 51, 153, 1), "purple", A.SassColor_SassColor$rgb(128, 0, 128, 1), "powderblue", A.SassColor_SassColor$rgb(176, 224, 230, 1), "plum", A.SassColor_SassColor$rgb(221, 160, 221, 1), "pink", A.SassColor_SassColor$rgb(255, 192, 203, 1), "peru", A.SassColor_SassColor$rgb(205, 133, 63, 1), "peachpuff", A.SassColor_SassColor$rgb(255, 218, 185, 1), "papayawhip", A.SassColor_SassColor$rgb(255, 239, 213, 1), "palevioletred", A.SassColor_SassColor$rgb(219, 112, 147, 1), "paleturquoise", A.SassColor_SassColor$rgb(175, 238, 238, 1), "palegreen", A.SassColor_SassColor$rgb(152, 251, 152, 1), "palegoldenrod", A.SassColor_SassColor$rgb(238, 232, 170, 1), "orchid", A.SassColor_SassColor$rgb(218, 112, 214, 1), "orangered", A.SassColor_SassColor$rgb(255, 69, 0, 1), "orange", A.SassColor_SassColor$rgb(255, 165, 0, 1), "olivedrab", A.SassColor_SassColor$rgb(107, 142, 35, 1), "olive", A.SassColor_SassColor$rgb(128, 128, 0, 1), "oldlace", A.SassColor_SassColor$rgb(253, 245, 230, 1), "navy", A.SassColor_SassColor$rgb(0, 0, 128, 1), "navajowhite", A.SassColor_SassColor$rgb(255, 222, 173, 1), "moccasin", A.SassColor_SassColor$rgb(255, 228, 181, 1), "mistyrose", A.SassColor_SassColor$rgb(255, 228, 225, 1), "mintcream", A.SassColor_SassColor$rgb(245, 255, 250, 1), "midnightblue", A.SassColor_SassColor$rgb(25, 25, 112, 1), "mediumvioletred", A.SassColor_SassColor$rgb(199, 21, 133, 1), "mediumturquoise", A.SassColor_SassColor$rgb(72, 209, 204, 1), "mediumspringgreen", A.SassColor_SassColor$rgb(0, 250, 154, 1), "mediumslateblue", A.SassColor_SassColor$rgb(123, 104, 238, 1), "mediumseagreen", A.SassColor_SassColor$rgb(60, 179, 113, 1), "mediumpurple", A.SassColor_SassColor$rgb(147, 112, 219, 1), "mediumorchid", A.SassColor_SassColor$rgb(186, 85, 211, 1), "mediumblue", A.SassColor_SassColor$rgb(0, 0, 205, 1), "mediumaquamarine", A.SassColor_SassColor$rgb(102, 205, 170, 1), "maroon", A.SassColor_SassColor$rgb(128, 0, 0, 1), "magenta", A.SassColor_SassColor$rgb(255, 0, 255, 1), "linen", A.SassColor_SassColor$rgb(250, 240, 230, 1), "limegreen", A.SassColor_SassColor$rgb(50, 205, 50, 1), "lime", A.SassColor_SassColor$rgb(0, 255, 0, 1), "lightyellow", A.SassColor_SassColor$rgb(255, 255, 224, 1), "lightsteelblue", A.SassColor_SassColor$rgb(176, 196, 222, 1), "lightslategrey", A.SassColor_SassColor$rgb(119, 136, 153, 1), "lightslategray", A.SassColor_SassColor$rgb(119, 136, 153, 1), "lightskyblue", A.SassColor_SassColor$rgb(135, 206, 250, 1), "lightseagreen", A.SassColor_SassColor$rgb(32, 178, 170, 1), "lightsalmon", A.SassColor_SassColor$rgb(255, 160, 122, 1), "lightpink", A.SassColor_SassColor$rgb(255, 182, 193, 1), "lightgrey", A.SassColor_SassColor$rgb(211, 211, 211, 1), "lightgreen", A.SassColor_SassColor$rgb(144, 238, 144, 1), "lightgray", A.SassColor_SassColor$rgb(211, 211, 211, 1), "lightgoldenrodyellow", A.SassColor_SassColor$rgb(250, 250, 210, 1), "lightcyan", A.SassColor_SassColor$rgb(224, 255, 255, 1), "lightcoral", A.SassColor_SassColor$rgb(240, 128, 128, 1), "lightblue", A.SassColor_SassColor$rgb(173, 216, 230, 1), "lemonchiffon", A.SassColor_SassColor$rgb(255, 250, 205, 1), "lawngreen", A.SassColor_SassColor$rgb(124, 252, 0, 1), "lavenderblush", A.SassColor_SassColor$rgb(255, 240, 245, 1), "lavender", A.SassColor_SassColor$rgb(230, 230, 250, 1), "khaki", A.SassColor_SassColor$rgb(240, 230, 140, 1), "ivory", A.SassColor_SassColor$rgb(255, 255, 240, 1), "indigo", A.SassColor_SassColor$rgb(75, 0, 130, 1), "indianred", A.SassColor_SassColor$rgb(205, 92, 92, 1), "hotpink", A.SassColor_SassColor$rgb(255, 105, 180, 1), "honeydew", A.SassColor_SassColor$rgb(240, 255, 240, 1), "grey", A.SassColor_SassColor$rgb(128, 128, 128, 1), "greenyellow", A.SassColor_SassColor$rgb(173, 255, 47, 1), "green", A.SassColor_SassColor$rgb(0, 128, 0, 1), "gray", A.SassColor_SassColor$rgb(128, 128, 128, 1), "goldenrod", A.SassColor_SassColor$rgb(218, 165, 32, 1), "gold", A.SassColor_SassColor$rgb(255, 215, 0, 1), "ghostwhite", A.SassColor_SassColor$rgb(248, 248, 255, 1), "gainsboro", A.SassColor_SassColor$rgb(220, 220, 220, 1), "fuchsia", A.SassColor_SassColor$rgb(255, 0, 255, 1), "forestgreen", A.SassColor_SassColor$rgb(34, 139, 34, 1), "floralwhite", A.SassColor_SassColor$rgb(255, 250, 240, 1), "firebrick", A.SassColor_SassColor$rgb(178, 34, 34, 1), "dodgerblue", A.SassColor_SassColor$rgb(30, 144, 255, 1), "dimgrey", A.SassColor_SassColor$rgb(105, 105, 105, 1), "dimgray", A.SassColor_SassColor$rgb(105, 105, 105, 1), "deepskyblue", A.SassColor_SassColor$rgb(0, 191, 255, 1), "deeppink", A.SassColor_SassColor$rgb(255, 20, 147, 1), "darkviolet", A.SassColor_SassColor$rgb(148, 0, 211, 1), "darkturquoise", A.SassColor_SassColor$rgb(0, 206, 209, 1), "darkslategrey", A.SassColor_SassColor$rgb(47, 79, 79, 1), "darkslategray", A.SassColor_SassColor$rgb(47, 79, 79, 1), "darkslateblue", A.SassColor_SassColor$rgb(72, 61, 139, 1), "darkseagreen", A.SassColor_SassColor$rgb(143, 188, 143, 1), "darksalmon", A.SassColor_SassColor$rgb(233, 150, 122, 1), "darkred", A.SassColor_SassColor$rgb(139, 0, 0, 1), "darkorchid", A.SassColor_SassColor$rgb(153, 50, 204, 1), "darkorange", A.SassColor_SassColor$rgb(255, 140, 0, 1), "darkolivegreen", A.SassColor_SassColor$rgb(85, 107, 47, 1), "darkmagenta", A.SassColor_SassColor$rgb(139, 0, 139, 1), "darkkhaki", A.SassColor_SassColor$rgb(189, 183, 107, 1), "darkgrey", A.SassColor_SassColor$rgb(169, 169, 169, 1), "darkgreen", A.SassColor_SassColor$rgb(0, 100, 0, 1), "darkgray", A.SassColor_SassColor$rgb(169, 169, 169, 1), "darkgoldenrod", A.SassColor_SassColor$rgb(184, 134, 11, 1), "darkcyan", A.SassColor_SassColor$rgb(0, 139, 139, 1), "darkblue", A.SassColor_SassColor$rgb(0, 0, 139, 1), "cyan", A.SassColor_SassColor$rgb(0, 255, 255, 1), "crimson", A.SassColor_SassColor$rgb(220, 20, 60, 1), "cornsilk", A.SassColor_SassColor$rgb(255, 248, 220, 1), "cornflowerblue", A.SassColor_SassColor$rgb(100, 149, 237, 1), "coral", A.SassColor_SassColor$rgb(255, 127, 80, 1), "chocolate", A.SassColor_SassColor$rgb(210, 105, 30, 1), "chartreuse", A.SassColor_SassColor$rgb(127, 255, 0, 1), "cadetblue", A.SassColor_SassColor$rgb(95, 158, 160, 1), "burlywood", A.SassColor_SassColor$rgb(222, 184, 135, 1), "brown", A.SassColor_SassColor$rgb(165, 42, 42, 1), "blueviolet", A.SassColor_SassColor$rgb(138, 43, 226, 1), "blue", A.SassColor_SassColor$rgb(0, 0, 255, 1), "blanchedalmond", A.SassColor_SassColor$rgb(255, 235, 205, 1), "black", A.SassColor_SassColor$rgb(0, 0, 0, 1), "bisque", A.SassColor_SassColor$rgb(255, 228, 196, 1), "beige", A.SassColor_SassColor$rgb(245, 245, 220, 1), "azure", A.SassColor_SassColor$rgb(240, 255, 255, 1), "aquamarine", A.SassColor_SassColor$rgb(127, 255, 212, 1), "aqua", A.SassColor_SassColor$rgb(0, 255, 255, 1), "antiquewhite", A.SassColor_SassColor$rgb(250, 235, 215, 1), "aliceblue", A.SassColor_SassColor$rgb(240, 248, 255, 1)], type$.String, type$.SassColor));
  	    _lazyFinal($, "namesByColor", "$get$namesByColor", () => {
  	      var $name,
  	        t1 = type$.SassColor,
  	        t2 = type$.String,
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      for (t1 = A.MapExtensions_get_pairs($.$get$colorsByName(), t2, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        $name = t2._0;
  	        t3.$indexSet(0, t2._1, $name);
  	      }
  	      return t3;
  	    });
  	    _lazyFinal($, "ExecutableOptions__separatorBar", "$get$ExecutableOptions__separatorBar", () => A.isWindows() ? "=" : "\u2501");
  	    _lazyFinal($, "ExecutableOptions__parser", "$get$ExecutableOptions__parser", () => new A.ExecutableOptions__parser_closure().call$0());
  	    _lazyFinal($, "globalFunctions", "$get$globalFunctions", () => {
  	      var t1 = type$.BuiltInCallable,
  	        t2 = A.List_List$of($.$get$global(), true, t1);
  	      B.JSArray_methods.addAll$1(t2, $.$get$global0());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global1());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global2());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global3());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global4());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global5());
  	      t2.push(A.BuiltInCallable$function("if", "$condition, $if-true, $if-false", new A.globalFunctions_closure(), null));
  	      return A.UnmodifiableListView$(t2, t1);
  	    });
  	    _lazyFinal($, "coreModules", "$get$coreModules", () => A.UnmodifiableListView$(A._setArrayType([$.$get$module(), $.$get$module0(), $.$get$module1(), $.$get$module2(), $.$get$module3(), $.$get$module4()], A.findType("JSArray<BuiltInModule<Callable0>>")), type$.BuiltInModule_Callable));
  	    _lazyFinal($, "_microsoftFilterStart", "$get$_microsoftFilterStart", () => A.RegExp_RegExp("^[a-zA-Z]+\\s*=", false));
  	    _lazyFinal($, "global", "$get$global", () => {
  	      var _s5_ = "color",
  	        _s27_ = "$red, $green, $blue, $alpha",
  	        _s19_ = "$red, $green, $blue",
  	        _s9_ = "$channels",
  	        _s37_ = "$hue, $saturation, $lightness, $alpha",
  	        _s29_ = "$hue, $saturation, $lightness",
  	        _s17_ = "$hue, $saturation",
  	        _s6_ = "adjust",
  	        _s15_ = "$color, $amount",
  	        t1 = type$.String,
  	        t2 = type$.Value_Function_List_Value;
  	      return A.UnmodifiableListView$(A._setArrayType([A._channelFunction("red", B.RgbColorSpace_i0P, new A.global_closure0(), true, null).withDeprecationWarning$1(_s5_), A._channelFunction("green", B.RgbColorSpace_i0P, new A.global_closure1(), true, null).withDeprecationWarning$1(_s5_), A._channelFunction("blue", B.RgbColorSpace_i0P, new A.global_closure2(), true, null).withDeprecationWarning$1(_s5_), $.$get$_mix().withDeprecationWarning$1(_s5_), A.BuiltInCallable$overloadedFunction("rgb", A.LinkedHashMap_LinkedHashMap$_literal([_s27_, new A.global_closure3(), _s19_, new A.global_closure4(), "$color, $alpha", new A.global_closure5(), "$channels", new A.global_closure6()], t1, t2)), A.BuiltInCallable$overloadedFunction("rgba", A.LinkedHashMap_LinkedHashMap$_literal([_s27_, new A.global_closure7(), _s19_, new A.global_closure8(), "$color, $alpha", new A.global_closure9(), "$channels", new A.global_closure10()], t1, t2)), A._function5("invert", "$color, $weight: 100%, $space: null", new A.global_closure11()), A._channelFunction("hue", B.HslColorSpace_JQ2, new A.global_closure12(), true, "deg").withDeprecationWarning$1(_s5_), A._channelFunction("saturation", B.HslColorSpace_JQ2, new A.global_closure13(), true, "%").withDeprecationWarning$1(_s5_), A._channelFunction("lightness", B.HslColorSpace_JQ2, new A.global_closure14(), true, "%").withDeprecationWarning$1(_s5_), A.BuiltInCallable$overloadedFunction("hsl", A.LinkedHashMap_LinkedHashMap$_literal([_s37_, new A.global_closure15(), _s29_, new A.global_closure16(), _s17_, new A.global_closure17(), "$channels", new A.global_closure18()], t1, t2)), A.BuiltInCallable$overloadedFunction("hsla", A.LinkedHashMap_LinkedHashMap$_literal([_s37_, new A.global_closure19(), _s29_, new A.global_closure20(), _s17_, new A.global_closure21(), "$channels", new A.global_closure22()], t1, t2)), A._function5("grayscale", "$color", new A.global_closure23()), A._function5("adjust-hue", "$color, $degrees", new A.global_closure24()).withDeprecationWarning$2(_s5_, _s6_), A._function5("lighten", _s15_, new A.global_closure25()).withDeprecationWarning$2(_s5_, _s6_), A._function5("darken", _s15_, new A.global_closure26()).withDeprecationWarning$2(_s5_, _s6_), A.BuiltInCallable$overloadedFunction("saturate", A.LinkedHashMap_LinkedHashMap$_literal(["$amount", new A.global_closure27(), "$color, $amount", new A.global_closure28()], t1, t2)), A._function5("desaturate", _s15_, new A.global_closure29()).withDeprecationWarning$2(_s5_, _s6_), A._function5("opacify", _s15_, new A.global_closure30()).withDeprecationWarning$2(_s5_, _s6_), A._function5("fade-in", _s15_, new A.global_closure31()).withDeprecationWarning$2(_s5_, _s6_), A._function5("transparentize", _s15_, new A.global_closure32()).withDeprecationWarning$2(_s5_, _s6_), A._function5("fade-out", _s15_, new A.global_closure33()).withDeprecationWarning$2(_s5_, _s6_), A.BuiltInCallable$overloadedFunction("alpha", A.LinkedHashMap_LinkedHashMap$_literal(["$color", new A.global_closure34(), "$args...", new A.global_closure35()], t1, t2)), A._function5("opacity", "$color", new A.global_closure36()), A._function5(_s5_, "$description", new A.global_closure37()), A._function5("hwb", _s9_, new A.global_closure38()), A._function5("lab", _s9_, new A.global_closure39()), A._function5("lch", _s9_, new A.global_closure40()), A._function5("oklab", _s9_, new A.global_closure41()), A._function5("oklch", _s9_, new A.global_closure42()), $.$get$_complement().withDeprecationWarning$1(_s5_), $.$get$_ieHexStr(), $.$get$_adjust().withDeprecationWarning$1(_s5_).withName$1("adjust-color"), $.$get$_scale().withDeprecationWarning$1(_s5_).withName$1("scale-color"), $.$get$_change().withDeprecationWarning$1(_s5_).withName$1("change-color")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module", "$get$module", () => {
  	      var _null = null,
  	        _s10_ = "saturation",
  	        _s9_ = "lightness",
  	        _s6_ = "$color", _s5_ = "alpha",
  	        _s30_ = "$color, $channel, $space: null",
  	        t1 = type$.String,
  	        t2 = type$.Value_Function_List_Value;
  	      return A.BuiltInModule$("color", A._setArrayType([A._channelFunction("red", B.RgbColorSpace_i0P, new A.module_closure1(), false, _null), A._channelFunction("green", B.RgbColorSpace_i0P, new A.module_closure2(), false, _null), A._channelFunction("blue", B.RgbColorSpace_i0P, new A.module_closure3(), false, _null), $.$get$_mix(), A._function5("invert", "$color, $weight: 100%, $space: null", new A.module_closure4()), A._channelFunction("hue", B.HslColorSpace_JQ2, new A.module_closure5(), false, "deg"), A._channelFunction(_s10_, B.HslColorSpace_JQ2, new A.module_closure6(), false, "%"), A._channelFunction(_s9_, B.HslColorSpace_JQ2, new A.module_closure7(), false, "%"), A._removedColorFunction("adjust-hue", "hue", false), A._removedColorFunction("lighten", _s9_, false), A._removedColorFunction("darken", _s9_, true), A._removedColorFunction("saturate", _s10_, false), A._removedColorFunction("desaturate", _s10_, true), A._function5("grayscale", _s6_, new A.module_closure8()), A.BuiltInCallable$overloadedFunction("hwb", A.LinkedHashMap_LinkedHashMap$_literal(["$hue, $whiteness, $blackness, $alpha: 1", new A.module_closure9(), "$channels", new A.module_closure10()], t1, t2)), A._channelFunction("whiteness", B.HwbColorSpace_guQ, new A.module_closure11(), false, "%"), A._channelFunction("blackness", B.HwbColorSpace_guQ, new A.module_closure12(), false, "%"), A._removedColorFunction("opacify", _s5_, false), A._removedColorFunction("fade-in", _s5_, false), A._removedColorFunction("transparentize", _s5_, true), A._removedColorFunction("fade-out", _s5_, true), A.BuiltInCallable$overloadedFunction(_s5_, A.LinkedHashMap_LinkedHashMap$_literal(["$color", new A.module_closure13(), "$args...", new A.module_closure14()], t1, t2)), A._function5("opacity", _s6_, new A.module_closure15()), A._function5("space", _s6_, new A.module_closure16()), A._function5("to-space", "$color, $space", new A.module_closure17()), A._function5("is-legacy", _s6_, new A.module_closure18()), A._function5("is-missing", "$color, $channel", new A.module_closure19()), A._function5("is-in-gamut", "$color, $space: null", new A.module_closure20()), A._function5("to-gamut", "$color, $space: null, $method: null", new A.module_closure21()), A._function5("channel", _s30_, new A.module_closure22()), A._function5("same", "$color1, $color2", new A.module_closure23()), A._function5("is-powerless", _s30_, new A.module_closure24()), $.$get$_complement(), $.$get$_adjust(), $.$get$_scale(), $.$get$_change(), $.$get$_ieHexStr()], type$.JSArray_Callable), _null, _null, type$.Callable);
  	    });
  	    _lazyFinal($, "_mix", "$get$_mix", () => A._function5("mix", string$.x24color, new A._mix_closure()));
  	    _lazyFinal($, "_complement", "$get$_complement", () => A._function5("complement", "$color, $space: null", new A._complement_closure()));
  	    _lazyFinal($, "_adjust", "$get$_adjust", () => A._function5("adjust", "$color, $kwargs...", new A._adjust_closure()));
  	    _lazyFinal($, "_scale", "$get$_scale", () => A._function5("scale", "$color, $kwargs...", new A._scale_closure()));
  	    _lazyFinal($, "_change", "$get$_change", () => A._function5("change", "$color, $kwargs...", new A._change_closure()));
  	    _lazyFinal($, "_ieHexStr", "$get$_ieHexStr", () => A._function5("ie-hex-str", "$color", new A._ieHexStr_closure()));
  	    _lazyFinal($, "global0", "$get$global0", () => {
  	      var _s4_ = "list";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_length0().withDeprecationWarning$1(_s4_), $.$get$_nth().withDeprecationWarning$1(_s4_), $.$get$_setNth().withDeprecationWarning$1(_s4_), $.$get$_join().withDeprecationWarning$1(_s4_), $.$get$_append0().withDeprecationWarning$1(_s4_), $.$get$_zip().withDeprecationWarning$1(_s4_), $.$get$_index0().withDeprecationWarning$1(_s4_), $.$get$_isBracketed().withDeprecationWarning$1(_s4_), $.$get$_separator().withDeprecationWarning$1(_s4_).withName$1("list-separator")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module0", "$get$module0", () => A.BuiltInModule$("list", A._setArrayType([$.$get$_length0(), $.$get$_nth(), $.$get$_setNth(), $.$get$_join(), $.$get$_append0(), $.$get$_zip(), $.$get$_index0(), $.$get$_isBracketed(), $.$get$_separator(), $.$get$_slash()], type$.JSArray_Callable), null, null, type$.Callable));
  	    _lazyFinal($, "_length", "$get$_length0", () => A._function4("length", "$list", new A._length_closure0()));
  	    _lazyFinal($, "_nth", "$get$_nth", () => A._function4("nth", "$list, $n", new A._nth_closure()));
  	    _lazyFinal($, "_setNth", "$get$_setNth", () => A._function4("set-nth", "$list, $n, $value", new A._setNth_closure()));
  	    _lazyFinal($, "_join", "$get$_join", () => A._function4("join", string$.x24list1, new A._join_closure()));
  	    _lazyFinal($, "_append", "$get$_append0", () => A._function4("append", "$list, $val, $separator: auto", new A._append_closure0()));
  	    _lazyFinal($, "_zip", "$get$_zip", () => A._function4("zip", "$lists...", new A._zip_closure()));
  	    _lazyFinal($, "_index", "$get$_index0", () => A._function4("index", "$list, $value", new A._index_closure0()));
  	    _lazyFinal($, "_separator", "$get$_separator", () => A._function4("separator", "$list", new A._separator_closure()));
  	    _lazyFinal($, "_isBracketed", "$get$_isBracketed", () => A._function4("is-bracketed", "$list", new A._isBracketed_closure()));
  	    _lazyFinal($, "_slash", "$get$_slash", () => A._function4("slash", "$elements...", new A._slash_closure()));
  	    _lazyFinal($, "global1", "$get$global1", () => {
  	      var _s3_ = "map";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_get().withDeprecationWarning$1(_s3_).withName$1("map-get"), $.$get$_merge().withDeprecationWarning$1(_s3_).withName$1("map-merge"), $.$get$_remove().withDeprecationWarning$1(_s3_).withName$1("map-remove"), $.$get$_keys().withDeprecationWarning$1(_s3_).withName$1("map-keys"), $.$get$_values().withDeprecationWarning$1(_s3_).withName$1("map-values"), $.$get$_hasKey().withDeprecationWarning$1(_s3_).withName$1("map-has-key")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module1", "$get$module1", () => A.BuiltInModule$("map", A._setArrayType([$.$get$_get(), $.$get$_set(), $.$get$_merge(), $.$get$_remove(), $.$get$_keys(), $.$get$_values(), $.$get$_hasKey(), $.$get$_deepMerge(), $.$get$_deepRemove()], type$.JSArray_Callable), null, null, type$.Callable));
  	    _lazyFinal($, "_get", "$get$_get", () => A._function3("get", "$map, $key, $keys...", new A._get_closure()));
  	    _lazyFinal($, "_set", "$get$_set", () => A.BuiltInCallable$overloadedFunction("set", A.LinkedHashMap_LinkedHashMap$_literal(["$map, $key, $value", new A._set_closure(), "$map, $args...", new A._set_closure0()], type$.String, type$.Value_Function_List_Value)));
  	    _lazyFinal($, "_merge", "$get$_merge", () => A.BuiltInCallable$overloadedFunction("merge", A.LinkedHashMap_LinkedHashMap$_literal(["$map1, $map2", new A._merge_closure(), "$map1, $args...", new A._merge_closure0()], type$.String, type$.Value_Function_List_Value)));
  	    _lazyFinal($, "_deepMerge", "$get$_deepMerge", () => A._function3("deep-merge", "$map1, $map2", new A._deepMerge_closure()));
  	    _lazyFinal($, "_deepRemove", "$get$_deepRemove", () => A._function3("deep-remove", "$map, $key, $keys...", new A._deepRemove_closure()));
  	    _lazyFinal($, "_remove", "$get$_remove", () => A.BuiltInCallable$overloadedFunction("remove", A.LinkedHashMap_LinkedHashMap$_literal(["$map", new A._remove_closure(), "$map, $key, $keys...", new A._remove_closure0()], type$.String, type$.Value_Function_List_Value)));
  	    _lazyFinal($, "_keys", "$get$_keys", () => A._function3("keys", "$map", new A._keys_closure()));
  	    _lazyFinal($, "_values", "$get$_values", () => A._function3("values", "$map", new A._values_closure()));
  	    _lazyFinal($, "_hasKey", "$get$_hasKey", () => A._function3("has-key", "$map, $key, $keys...", new A._hasKey_closure()));
  	    _lazyFinal($, "global2", "$get$global2", () => {
  	      var _s4_ = "math";
  	      return A.UnmodifiableListView$(A._setArrayType([A._function2("abs", "$number", new A.global_closure()), $.$get$_ceil().withDeprecationWarning$1(_s4_), $.$get$_floor().withDeprecationWarning$1(_s4_), $.$get$_max().withDeprecationWarning$1(_s4_), $.$get$_min().withDeprecationWarning$1(_s4_), $.$get$_percentage().withDeprecationWarning$1(_s4_), $.$get$_randomFunction().withDeprecationWarning$1(_s4_), $.$get$_round().withDeprecationWarning$1(_s4_), $.$get$_unit().withDeprecationWarning$1(_s4_), $.$get$_compatible().withDeprecationWarning$1(_s4_).withName$1("comparable"), $.$get$_isUnitless().withDeprecationWarning$1(_s4_).withName$1("unitless")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module2", "$get$module2", () => {
  	      var _null = null;
  	      return A.BuiltInModule$("math", A._setArrayType([A._numberFunction("abs", new A.module_closure0()), $.$get$_acos(), $.$get$_asin(), $.$get$_atan(), $.$get$_atan2(), $.$get$_ceil(), $.$get$_clamp(), $.$get$_cos(), $.$get$_compatible(), $.$get$_floor(), $.$get$_hypot(), $.$get$_isUnitless(), $.$get$_log(), $.$get$_max(), $.$get$_min(), $.$get$_percentage(), $.$get$_pow(), $.$get$_randomFunction(), $.$get$_round(), $.$get$_sin(), $.$get$_sqrt(), $.$get$_tan(), $.$get$_unit(), $.$get$_div()], type$.JSArray_Callable), _null, A.LinkedHashMap_LinkedHashMap$_literal(["e", A.SassNumber_SassNumber(2.718281828459045, _null), "pi", A.SassNumber_SassNumber(3.141592653589793, _null), "epsilon", A.SassNumber_SassNumber(2220446049250313e-31, _null), "max-safe-integer", A.SassNumber_SassNumber(9007199254740991, _null), "min-safe-integer", A.SassNumber_SassNumber(-9007199254740991, _null), "max-number", A.SassNumber_SassNumber(17976931348623157e292, _null), "min-number", A.SassNumber_SassNumber(5e-324, _null)], type$.String, type$.Value), type$.Callable);
  	    });
  	    _lazyFinal($, "_ceil", "$get$_ceil", () => A._numberFunction("ceil", new A._ceil_closure()));
  	    _lazyFinal($, "_clamp", "$get$_clamp", () => A._function2("clamp", "$min, $number, $max", new A._clamp_closure()));
  	    _lazyFinal($, "_floor", "$get$_floor", () => A._numberFunction("floor", new A._floor_closure()));
  	    _lazyFinal($, "_max", "$get$_max", () => A._function2("max", "$numbers...", new A._max_closure()));
  	    _lazyFinal($, "_min", "$get$_min", () => A._function2("min", "$numbers...", new A._min_closure()));
  	    _lazyFinal($, "_round", "$get$_round", () => A._numberFunction("round", new A._round_closure()));
  	    _lazyFinal($, "_hypot", "$get$_hypot", () => A._function2("hypot", "$numbers...", new A._hypot_closure()));
  	    _lazyFinal($, "_log", "$get$_log", () => A._function2("log", "$number, $base: null", new A._log_closure()));
  	    _lazyFinal($, "_pow", "$get$_pow", () => A._function2("pow", "$base, $exponent", new A._pow_closure()));
  	    _lazyFinal($, "_sqrt", "$get$_sqrt", () => A._singleArgumentMathFunc("sqrt", A.number0__sqrt$closure()));
  	    _lazyFinal($, "_acos", "$get$_acos", () => A._singleArgumentMathFunc("acos", A.number0__acos$closure()));
  	    _lazyFinal($, "_asin", "$get$_asin", () => A._singleArgumentMathFunc("asin", A.number0__asin$closure()));
  	    _lazyFinal($, "_atan", "$get$_atan", () => A._singleArgumentMathFunc("atan", A.number0__atan$closure()));
  	    _lazyFinal($, "_atan2", "$get$_atan2", () => A._function2("atan2", "$y, $x", new A._atan2_closure()));
  	    _lazyFinal($, "_cos", "$get$_cos", () => A._singleArgumentMathFunc("cos", A.number0__cos$closure()));
  	    _lazyFinal($, "_sin", "$get$_sin", () => A._singleArgumentMathFunc("sin", A.number0__sin$closure()));
  	    _lazyFinal($, "_tan", "$get$_tan", () => A._singleArgumentMathFunc("tan", A.number0__tan$closure()));
  	    _lazyFinal($, "_compatible", "$get$_compatible", () => A._function2("compatible", "$number1, $number2", new A._compatible_closure()));
  	    _lazyFinal($, "_isUnitless", "$get$_isUnitless", () => A._function2("is-unitless", "$number", new A._isUnitless_closure()));
  	    _lazyFinal($, "_unit", "$get$_unit", () => A._function2("unit", "$number", new A._unit_closure()));
  	    _lazyFinal($, "_percentage", "$get$_percentage", () => A._function2("percentage", "$number", new A._percentage_closure()));
  	    _lazyFinal($, "_random", "$get$_random0", () => A.Random_Random());
  	    _lazyFinal($, "_randomFunction", "$get$_randomFunction", () => A._function2("random", "$limit: null", new A._randomFunction_closure()));
  	    _lazyFinal($, "_div", "$get$_div", () => A._function2("div", "$number1, $number2", new A._div_closure()));
  	    _lazyFinal($, "_shared", "$get$_shared", () => A.UnmodifiableListView$(A._setArrayType([A._function("feature-exists", "$feature", new A._shared_closure()), A._function("inspect", "$value", new A._shared_closure0()), A._function("type-of", "$value", new A._shared_closure1()), A._function("keywords", "$args", new A._shared_closure2())], type$.JSArray_BuiltInCallable), type$.BuiltInCallable));
  	    _lazyFinal($, "global3", "$get$global5", () => {
  	      var t2,
  	        t1 = A._setArrayType([], type$.JSArray_BuiltInCallable);
  	      for (t2 = $.$get$_shared(), t2 = t2.get$iterator(t2); t2.moveNext$0();)
  	        t1.push(t2.get$current(0).withDeprecationWarning$1("meta"));
  	      return A.UnmodifiableListView$(t1, type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "moduleFunctions", "$get$moduleFunctions", () => {
  	      var t1 = type$.BuiltInCallable,
  	        t2 = A.List_List$of($.$get$_shared(), true, t1);
  	      t2.push(A._function("calc-name", "$calc", new A.moduleFunctions_closure()));
  	      t2.push(A._function("calc-args", "$calc", new A.moduleFunctions_closure0()));
  	      t2.push(A._function("accepts-content", "$mixin", new A.moduleFunctions_closure1()));
  	      return A.UnmodifiableListView$(t2, t1);
  	    });
  	    _lazyFinal($, "global4", "$get$global3", () => {
  	      var _s8_ = "selector";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_isSuperselector().withDeprecationWarning$1(_s8_), $.$get$_simpleSelectors().withDeprecationWarning$1(_s8_), $.$get$_parse().withDeprecationWarning$1(_s8_).withName$1("selector-parse"), $.$get$_nest().withDeprecationWarning$1(_s8_).withName$1("selector-nest"), $.$get$_append().withDeprecationWarning$1(_s8_).withName$1("selector-append"), $.$get$_extend().withDeprecationWarning$1(_s8_).withName$1("selector-extend"), $.$get$_replace().withDeprecationWarning$1(_s8_).withName$1("selector-replace"), $.$get$_unify().withDeprecationWarning$1(_s8_).withName$1("selector-unify")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module3", "$get$module3", () => A.BuiltInModule$("selector", A._setArrayType([$.$get$_isSuperselector(), $.$get$_simpleSelectors(), $.$get$_parse(), $.$get$_nest(), $.$get$_append(), $.$get$_extend(), $.$get$_replace(), $.$get$_unify()], type$.JSArray_Callable), null, null, type$.Callable));
  	    _lazyFinal($, "_nest", "$get$_nest", () => A._function1("nest", "$selectors...", new A._nest_closure()));
  	    _lazyFinal($, "_append0", "$get$_append", () => A._function1("append", "$selectors...", new A._append_closure()));
  	    _lazyFinal($, "_extend", "$get$_extend", () => A._function1("extend", "$selector, $extendee, $extender", new A._extend_closure()));
  	    _lazyFinal($, "_replace", "$get$_replace", () => A._function1("replace", "$selector, $original, $replacement", new A._replace_closure()));
  	    _lazyFinal($, "_unify", "$get$_unify", () => A._function1("unify", "$selector1, $selector2", new A._unify_closure()));
  	    _lazyFinal($, "_isSuperselector", "$get$_isSuperselector", () => A._function1("is-superselector", "$super, $sub", new A._isSuperselector_closure()));
  	    _lazyFinal($, "_simpleSelectors", "$get$_simpleSelectors", () => A._function1("simple-selectors", "$selector", new A._simpleSelectors_closure()));
  	    _lazyFinal($, "_parse0", "$get$_parse", () => A._function1("parse", "$selector", new A._parse_closure()));
  	    _lazyFinal($, "_random0", "$get$_random", () => A.Random_Random());
  	    _lazy($, "_previousUniqueId", "$get$_previousUniqueId", () => $.$get$_random().nextInt$1(A._asInt(A.pow(36, 6))));
  	    _lazyFinal($, "global5", "$get$global4", () => {
  	      var _s6_ = "string";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_unquote().withDeprecationWarning$1(_s6_), $.$get$_quote().withDeprecationWarning$1(_s6_), $.$get$_toUpperCase().withDeprecationWarning$1(_s6_), $.$get$_toLowerCase().withDeprecationWarning$1(_s6_), $.$get$_uniqueId().withDeprecationWarning$1(_s6_), $.$get$_length().withDeprecationWarning$1(_s6_).withName$1("str-length"), $.$get$_insert().withDeprecationWarning$1(_s6_).withName$1("str-insert"), $.$get$_index().withDeprecationWarning$1(_s6_).withName$1("str-index"), $.$get$_slice().withDeprecationWarning$1(_s6_).withName$1("str-slice")], type$.JSArray_BuiltInCallable), type$.BuiltInCallable);
  	    });
  	    _lazyFinal($, "module4", "$get$module4", () => A.BuiltInModule$("string", A._setArrayType([$.$get$_unquote(), $.$get$_quote(), $.$get$_toUpperCase(), $.$get$_toLowerCase(), $.$get$_length(), $.$get$_insert(), $.$get$_index(), $.$get$_slice(), $.$get$_uniqueId(), A._function0("split", "$string, $separator, $limit: null", new A.module_closure())], type$.JSArray_Callable), null, null, type$.Callable));
  	    _lazyFinal($, "_unquote", "$get$_unquote", () => A._function0("unquote", "$string", new A._unquote_closure()));
  	    _lazyFinal($, "_quote", "$get$_quote", () => A._function0("quote", "$string", new A._quote_closure()));
  	    _lazyFinal($, "_length0", "$get$_length", () => A._function0("length", "$string", new A._length_closure()));
  	    _lazyFinal($, "_insert", "$get$_insert", () => A._function0("insert", "$string, $insert, $index", new A._insert_closure()));
  	    _lazyFinal($, "_index0", "$get$_index", () => A._function0("index", "$string, $substring", new A._index_closure()));
  	    _lazyFinal($, "_slice", "$get$_slice", () => A._function0("slice", "$string, $start-at, $end-at: -1", new A._slice_closure()));
  	    _lazyFinal($, "_toUpperCase", "$get$_toUpperCase", () => A._function0("to-upper-case", "$string", new A._toUpperCase_closure()));
  	    _lazyFinal($, "_toLowerCase", "$get$_toLowerCase", () => A._function0("to-lower-case", "$string", new A._toLowerCase_closure()));
  	    _lazyFinal($, "_uniqueId", "$get$_uniqueId", () => A._function0("unique-id", "", new A._uniqueId_closure()));
  	    _lazyFinal($, "FilesystemImporter_cwd", "$get$FilesystemImporter_cwd", () => {
  	      var _null = null;
  	      return new A.FilesystemImporter(A.absolute(".", _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), true);
  	    });
  	    _lazyFinal($, "FilesystemImporter_noLoadPath", "$get$FilesystemImporter_noLoadPath", () => new A.FilesystemImporter(null, false));
  	    _lazyFinal($, "_jsThrow", "$get$_jsThrow0", () => new self.Function("error", "throw error;"));
  	    _lazyFinal($, "Logger_quiet", "$get$Logger_quiet", () => new A._QuietLogger());
  	    _lazyFinal($, "_disallowedFunctionNames", "$get$_disallowedFunctionNames", () => {
  	      var t1 = $.$get$globalFunctions();
  	      t1 = t1.map$1$1(t1, new A._disallowedFunctionNames_closure(), type$.String).toSet$0(0);
  	      t1.remove$1(0, "abs");
  	      t1.remove$1(0, "alpha");
  	      t1.remove$1(0, "color");
  	      t1.remove$1(0, "grayscale");
  	      t1.remove$1(0, "hsl");
  	      t1.remove$1(0, "hsla");
  	      t1.remove$1(0, "hwb");
  	      t1.remove$1(0, "invert");
  	      t1.remove$1(0, "lab");
  	      t1.remove$1(0, "lch");
  	      t1.remove$1(0, "max");
  	      t1.remove$1(0, "min");
  	      t1.remove$1(0, "oklab");
  	      t1.remove$1(0, "oklch");
  	      t1.remove$1(0, "opacity");
  	      t1.remove$1(0, "rgb");
  	      t1.remove$1(0, "rgba");
  	      t1.remove$1(0, "round");
  	      t1.remove$1(0, "saturate");
  	      return t1;
  	    });
  	    _lazyFinal($, "_epsilon", "$get$_epsilon", () => A.pow(10, -11));
  	    _lazyFinal($, "_inverseEpsilon", "$get$_inverseEpsilon", () => A.pow(10, 11));
  	    _lazyFinal($, "bogusSpan", "$get$bogusSpan", () => A.SourceFile$decoded(A._setArrayType([], type$.JSArray_int), null).span$1(0, 0));
  	    _lazyFinal($, "_noSourceUrl", "$get$_noSourceUrl", () => A.Uri_parse("-"));
  	    _lazyFinal($, "_traces", "$get$_traces", () => A.Expando$());
  	    _lazyFinal($, "lmsToOklab", "$get$lmsToOklab", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.210454268309314, 0.7936177747023054, -0.0040720430116193, 1.9779985324311684, -2.42859224204858, 0.450593709617411, 0.0259040424655478, 0.7827717124575296, -0.8086757549230774], type$.JSArray_double)));
  	    _lazyFinal($, "oklabToLms", "$get$oklabToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.0000000000000002, 0.3963377773761749, 0.2158037573099136, 0.9999999999999998, -0.10556134581565854, -0.06385417282581334, 0.9999999999999999, -0.0894841775298118, -1.2914855480194094], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearDisplayP3", "$get$linearSrgbToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8224619687143623, 0.17753803128563775, 0, 0.03319419885096161, 0.9668058011490384, 0, 0.01708263072112003, 0.07239744066396346, 0.9105199286149165], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearSrgb", "$get$linearDisplayP3ToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.2249401762805598, -0.22494017628055996, 0, -0.04205695470968816, 1.042056954709688, 0, -0.01963755459033443, -0.07863604555063188, 1.0982736001409663], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearA98Rgb", "$get$linearSrgbToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7151256068556247, 0.28487439314437535, 0, 0, 1, 0, 0, 0.04116194845011846, 0.9588380515498816], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearSrgb", "$get$linearA98RgbToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.3983557439607783, -0.3983557439607783, 0, 0, 1, 0, 0, -0.04292898929447326, 1.0429289892944733], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearRec2020", "$get$linearSrgbToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.627403895934699, 0.3292830383778837, 0.04331306568741722, 0.06909728935823208, 0.9195403950754587, 0.01136231556630917, 0.01639143887515027, 0.08801330787722575, 0.895595253247624], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearSrgb", "$get$linearRec2020ToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.6604910021084345, -0.5876411387885495, -0.07284986331988487, -0.12455047452159074, 1.1328998971259603, -0.00834942260436947, -0.0181507633549053, -0.10057889800800737, 1.1187296613629127], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToXyzD65", "$get$linearSrgbToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.4123907992659595, 0.35758433938387796, 0.1804807884018343, 0.21263900587151036, 0.7151686787677559, 0.07219231536073371, 0.01933081871559185, 0.11919477979462598, 0.9505321522496606], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearSrgb", "$get$xyzD65ToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.2409699419045213, -1.5373831775700935, -0.4986107602930033, -0.9692436362808798, 1.8759675015077206, 0.04155505740717561, 0.0556300796969936, -0.20397695888897657, 1.0569715142428786], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLms", "$get$linearSrgbToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.412221469470763, 0.5363325372617348, 0.0514459932675022, 0.2119034958178252, 0.6806995506452342, 0.1073969535369405, 0.08830245919005641, 0.2817188391361215, 0.6299787016738221], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearSrgb", "$get$lmsToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([4.076741636075958, -3.307711539258062, 0.23096990318210417, -1.268437973285032, 2.609757349287689, -0.3413193760026571, -0.00419607613867551, -0.7034186179359363, 1.707614694074612], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearProphotoRgb", "$get$linearSrgbToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5292769776226116, 0.33015450197849283, 0.14056852039889556, 0.09836585954044917, 0.8734707129069618, 0.028163427552589, 0.01687534092138684, 0.11765941425612084, 0.8654652448224923], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearSrgb", "$get$linearProphotoRgbToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.034380849516996, -0.7276357899341342, -0.3067450595828618, -0.22882573163305037, 1.2317425411901048, -0.00291680955705449, -0.00855882878391742, -0.1532667021380372, 1.1618255309219547], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToXyzD50", "$get$linearSrgbToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.43606574687426936, 0.3851515095901596, 0.14307841996513868, 0.22249317711056518, 0.7168870130944824, 0.06061980979495235, 0.01392392146316939, 0.09708132423141015, 0.7140993568158807], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearSrgb", "$get$xyzD50ToLinearSrgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.1341358529001178, -1.617385998018042, -0.49066221791109754, -0.9787954765557777, 1.9162543773959884, 0.03344287339036693, 0.07195539255794733, -0.228976759815182, 1.4053860351131182], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearA98Rgb", "$get$linearDisplayP3ToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8640051374740484, 0.13599486252595164, 0, -0.04205695470968816, 1.042056954709688, 0, -0.02056038078232985, -0.03250613804550798, 1.0530665188278379], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearDisplayP3", "$get$linearA98RgbToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.1500944181410184, -0.15009441814101834, 0, 0.04641729862941844, 0.9535827013705815, 0, 0.02388759479083904, 0.02650477632633013, 0.9496076288828308], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearRec2020", "$get$linearDisplayP3ToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7538330343617218, 0.1985973690526163, 0.04756959658566187, 0.04574384896535833, 0.9417772198116935, 0.01247893122294812, -0.00121034035451832, 0.01760171730108989, 0.9836086230534284], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearDisplayP3", "$get$linearRec2020ToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.343578252584332, -0.2821796705261357, -0.06139858205819628, -0.06529745278911953, 1.0757879158485746, -0.01049046305945495, 0.00282178726170095, -0.01959849452449406, 1.0167767072627931], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToXyzD65", "$get$linearDisplayP3ToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.48657094864821626, 0.26566769316909294, 0.1982172852343625, 0.22897456406974884, 0.6917385218365062, 0.079286914093745, 0, 0.04511338185890257, 1.0439443689009757], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearDisplayP3", "$get$xyzD65ToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.4934969119414245, -0.9313836179191236, -0.40271078445071684, -0.8294889695615749, 1.7626640603183468, 0.02362468584194359, 0.03584583024378433, -0.0761723892680417, 0.9568845240076873], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLms", "$get$linearDisplayP3ToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.48137985274995443, 0.46211837101131803, 0.05650177623872756, 0.22883194181124472, 0.6532168193835676, 0.11795123880518774, 0.08394575232299319, 0.22416527097756642, 0.6918889766994404], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearDisplayP3", "$get$lmsToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.1277689713618737, -2.2571357625916386, 0.12936679122976494, -1.0910090184377979, 2.4133317103069225, -0.32232269186912466, -0.02601080193857045, -0.508041331704167, 1.5340521336427373], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearProphotoRgb", "$get$linearDisplayP3ToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6316869193403589, 0.21393038569465722, 0.1543826949649839, 0.08320371426648458, 0.8858651367630243, 0.03093114897049121, -0.00127273456473881, 0.05075510433665735, 0.9505176302280814], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearDisplayP3", "$get$linearProphotoRgbToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.6325756087069179, -0.3797716184825984, -0.2528039902243195, -0.15370040233755072, 1.1667025472425014, -0.01300214490495082, 0.01039319529676572, -0.0628073126495944, 1.0524141173528287], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToXyzD50", "$get$linearDisplayP3ToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.515146442968116, 0.2920099820638577, 0.15713925139759397, 0.2412003221252552, 0.6922225411313818, 0.06657713674336294, -0.00105013914714014, 0.0418782701890746, 0.7842764714685257], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearDisplayP3", "$get$xyzD50ToLinearDisplayP3", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.4039341218554973, -0.9900304424955931, -0.39761363181465614, -0.8422700161454688, 1.7989580161067082, 0.01604562477090472, 0.04819381686413303, -0.09738519815446048, 1.2736713693321273], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearRec2020", "$get$linearA98RgbToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8773338416636568, 0.07749370651571998, 0.04517245182062317, 0.09662259146620378, 0.8915273202441805, 0.01185008828961569, 0.02292106270284839, 0.04303668501067932, 0.9340422522864723], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearA98Rgb", "$get$linearRec2020ToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.1519783947159163, -0.0975030553024086, -0.05447533941350766, -0.12455047452159074, 1.1328998971259603, -0.00834942260436947, -0.0225303827810559, -0.04980650742838876, 1.0723368902094446], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToXyzD65", "$get$linearA98RgbToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5766690429101308, 0.18555823790654627, 0.18822864623499472, 0.29734497525053616, 0.627363566255466, 0.07529145849399789, 0.02703136138641237, 0.07068885253582714, 0.9913375368376389], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearA98Rgb", "$get$xyzD65ToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.041587903810746, -0.5650069742788596, -0.3447313507783295, -0.9692436362808798, 1.8759675015077206, 0.04155505740717561, 0.01344428063203102, -0.11836239223101823, 1.0151749943912054], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLms", "$get$linearA98RgbToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5764322596183941, 0.36991322261987963, 0.05365451776172635, 0.29631647054222465, 0.5916761332521885, 0.11200739620558686, 0.1234782510142776, 0.21949869837199862, 0.6570230506137238], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearA98Rgb", "$get$lmsToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.5540368386115566, -1.6219761806828699, 0.06793934207131327, -1.268437973285032, 2.609757349287689, -0.3413193760026571, -0.05623473593749381, -0.5670418395669061, 1.6232765755043999], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearProphotoRgb", "$get$linearA98RgbToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7401175018047792, 0.11327951328898105, 0.1466029849062397, 0.1375504646980262, 0.833077080269484, 0.02937245503248977, 0.02359772990871766, 0.07378347703906656, 0.9026187930522158], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearA98Rgb", "$get$linearProphotoRgbToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.38965124815152, -0.16945907691487766, -0.22019217123664242, -0.22882573163305037, 1.2317425411901048, -0.00291680955705449, -0.01762544368426068, -0.09625702306122665, 1.1138824667454874], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToXyzD50", "$get$linearA98RgbToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6097750418861814, 0.20530000261929401, 0.14922063192409227, 0.31112461220464155, 0.6256532308346856, 0.06322215696067286, 0.01947059555648168, 0.06087908649415867, 0.7447549204598198], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearA98Rgb", "$get$xyzD50ToLinearA98Rgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.9624670363768806, -0.6107423404815073, -0.3413580980827154, -0.9787954765557777, 1.9162543773959884, 0.03344287339036693, 0.02870443944957101, -0.1406748663317068, 1.3489141814137937], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToXyzD65", "$get$linearRec2020ToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6369580483012913, 0.14461690358620838, 0.16888097516417205, 0.26270021201126703, 0.677998071518871, 0.05930171646986194, 0, 0.0280726930490875, 1.0609850577107909], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearRec2020", "$get$xyzD65ToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.7166511879712676, -0.3556707837763924, -0.2533662813736598, -0.666684351832489, 1.616481236634939, 0.01576854581391113, 0.01763985744531091, -0.04277061325780865, 0.942103121235474], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLms", "$get$linearRec2020ToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6167557848654444, 0.36019840122646335, 0.02304581390809228, 0.2651330593926367, 0.6358393720678491, 0.09902756853951408, 0.10010262952034828, 0.20390652261661452, 0.6959908478630372], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearRec2020", "$get$lmsToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.1399067304346513, -1.246389493760618, 0.10648276332596668, -0.8847358357577674, 2.1632309383612007, -0.2784951026034334, -0.04857374640044396, -0.4545031497140964, 1.5030768961145404], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearProphotoRgb", "$get$linearRec2020ToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8351873331297235, 0.04886884858605698, 0.11594381828421951, 0.05403324519953363, 0.9289184085692044, 0.01704834623126199, -0.00234203897072539, 0.03633215316169465, 0.9660098858090307], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearRec2020", "$get$linearProphotoRgbToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.200659329517408, -0.05756805370122346, -0.14309127581618444, -0.06994154955888504, 1.080617897597214, -0.01067634803832895, 0.00554147334294746, -0.04078219298657951, 1.035240719643632], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToXyzD50", "$get$linearRec2020ToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.673515463188276, 0.16569726370390453, 0.12508294953738705, 0.2790590051411206, 0.6753180057491098, 0.04562298910976962, -0.00193242713400438, 0.02997782679282923, 0.7970592028516355], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearRec2020", "$get$xyzD50ToLinearRec2020", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.647184904671766, -0.3936818981316471, -0.23595963848828266, -0.6826641074173818, 1.6477146127444076, 0.01281708338512084, 0.02966887665275675, -0.0629258964297003, 1.2535578201865771], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLms", "$get$xyzD65ToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.819022437996703, 0.36190626005289034, -0.12887378152098788, 0.03298365393238846, 0.9292868615863433, 0.03614466635064235, 0.0481771893596242, 0.2642395317527308, 0.6335478284694308], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToXyzD65", "$get$lmsToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.2268798758459243, -0.5578149944602171, 0.2813910456659646, -0.04057574521480084, 1.1122868032803173, -0.07171105806551635, -0.07637293667466007, -0.42149333240224324, 1.5869240198367818], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearProphotoRgb", "$get$xyzD65ToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.4031904633774979, -0.22301514479051668, -0.1016066850741379, -0.5262384021633072, 1.4816319629234644, 0.01701879027252688, -0.0112022652862215, 0.01824640347962099, 0.9112472274915048], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToXyzD65", "$get$linearProphotoRgbToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.755590742296921, 0.11271984265940525, 0.0821453420953454, 0.2683218435785719, 0.7151152566617912, 0.01656289975963685, 0.0039159727624258, -0.01293344283684181, 1.0980752208342945], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToXyzD50", "$get$xyzD65ToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.0479297925449966, 0.02294687060160952, -0.05019226628920519, 0.02962780877005567, 0.99043442675388, -0.01707379906341879, -0.00924304064620452, 0.01505519149029816, 0.751874281428137], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToXyzD65", "$get$xyzD50ToXyzD65", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.9554734214880752, -0.02309845494876452, 0.06325924320057065, -0.02836970933386358, 1.0099953980813041, 0.0210414411919173, 0.01231401486448199, -0.02050764929889898, 1.330365926242124], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearProphotoRgb", "$get$lmsToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.7383551481157207, -0.9879509427514458, 0.24959579463572504, -0.7070494015329266, 1.9343700444401382, -0.2273206429072115, -0.08407882206239634, -0.35754060521141334, 1.4416194272738097], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLms", "$get$linearProphotoRgbToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7154484605655534, 0.35279155007721186, -0.0682400106427653, 0.2744116490015671, 0.6677976498412367, 0.05779070115719616, 0.10978443261622942, 0.18619829115002018, 0.7040172762337504], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToXyzD50", "$get$lmsToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.288586218172706, -0.5378717444973745, 0.2135812027542364, -0.00253387643187372, 1.0923167988719165, -0.08978292244004273, -0.06937382305734124, -0.29500839894431263, 1.1894868245121142], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLms", "$get$xyzD50ToLms", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7707000420431172, 0.34924840261939616, -0.11202351884164681, 0.00559649248368848, 0.9370723401136769, 0.06972568836252771, 0.04633714262191069, 0.25277531574310524, 0.851458076746796], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToXyzD50", "$get$linearProphotoRgbToXyzD50", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7977666449006423, 0.13518129740053308, 0.0313477341283922, 0.2880748288194013, 0.711835234241873, 0.00008993693872564, 0, 0, 0.8251046025104602], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearProphotoRgb", "$get$xyzD50ToLinearProphotoRgb", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.3457868816471583, -0.25557208737979464, -0.05110186497554526, -0.5446307051249019, 1.5082477428451468, 0.02052744743642139, 0, 0, 1.2119675456389452], type$.JSArray_double)));
  	    _lazyFinal($, "_typesByUnit", "$get$_typesByUnit", () => {
  	      var t3, type,
  	        t1 = type$.String,
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t1 = A.MapExtensions_get_pairs(B.Map_Sr65K, t1, type$.List_String), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        type = t3._0;
  	        for (t3 = J.get$iterator$ax(t3._1); t3.moveNext$0();)
  	          t2.$indexSet(0, t3.get$current(t3), type);
  	      }
  	      return t2;
  	    });
  	    _lazyFinal($, "_knownCompatibilitiesByUnit", "$get$_knownCompatibilitiesByUnit", () => {
  	      var _i, set, t2,
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, A.findType("Set<String>"));
  	      for (_i = 0; _i < 5; ++_i) {
  	        set = B.List_BFg[_i];
  	        for (t2 = set.get$iterator(set); t2.moveNext$0();)
  	          t1.$indexSet(0, t2.get$current(0), set);
  	      }
  	      return t1;
  	    });
  	    _lazyFinal($, "_emptyQuoted", "$get$_emptyQuoted", () => A.SassString$("", true));
  	    _lazyFinal($, "_emptyUnquoted", "$get$_emptyUnquoted", () => A.SassString$("", false));
  	    _lazyFinal($, "maxInt32", "$get$maxInt32", () => A._asInt(A.pow(2, 31)) - 1);
  	    _lazyFinal($, "minInt32", "$get$minInt32", () => -A._asInt(A.pow(2, 31)));
  	    _lazyFinal($, "_vmFrame", "$get$_vmFrame", () => A.RegExp_RegExp("^#\\d+\\s+(\\S.*) \\((.+?)((?::\\d+){0,2})\\)$", false));
  	    _lazyFinal($, "_v8JsFrame", "$get$_v8JsFrame", () => A.RegExp_RegExp("^\\s*at (?:(\\S.*?)(?: \\[as [^\\]]+\\])? \\((.*)\\)|(.*))$", false));
  	    _lazyFinal($, "_v8JsUrlLocation", "$get$_v8JsUrlLocation", () => A.RegExp_RegExp("^(.*?):(\\d+)(?::(\\d+))?$|native$", false));
  	    _lazyFinal($, "_v8WasmFrame", "$get$_v8WasmFrame", () => A.RegExp_RegExp("^\\s*at (?:(?<member>.+) )?(?:\\(?(?:(?<uri>\\S+):wasm-function\\[(?<index>\\d+)\\]\\:0x(?<offset>[0-9a-fA-F]+))\\)?)$", false));
  	    _lazyFinal($, "_v8EvalLocation", "$get$_v8EvalLocation", () => A.RegExp_RegExp("^eval at (?:\\S.*?) \\((.*)\\)(?:, .*?:\\d+:\\d+)?$", false));
  	    _lazyFinal($, "_firefoxEvalLocation", "$get$_firefoxEvalLocation", () => A.RegExp_RegExp("(\\S+)@(\\S+) line (\\d+) >.* (Function|eval):\\d+:\\d+", false));
  	    _lazyFinal($, "_firefoxSafariJSFrame", "$get$_firefoxSafariJSFrame", () => A.RegExp_RegExp("^(?:([^@(/]*)(?:\\(.*\\))?((?:/[^/]*)*)(?:\\(.*\\))?@)?(.*?):(\\d*)(?::(\\d*))?$", false));
  	    _lazyFinal($, "_firefoxWasmFrame", "$get$_firefoxWasmFrame", () => A.RegExp_RegExp("^(?<member>.*?)@(?:(?<uri>\\S+).*?:wasm-function\\[(?<index>\\d+)\\]:0x(?<offset>[0-9a-fA-F]+))$", false));
  	    _lazyFinal($, "_safariWasmFrame", "$get$_safariWasmFrame", () => A.RegExp_RegExp("^.*?wasm-function\\[(?<member>.*)\\]@\\[wasm code\\]$", false));
  	    _lazyFinal($, "_friendlyFrame", "$get$_friendlyFrame", () => A.RegExp_RegExp("^(\\S+)(?: (\\d+)(?::(\\d+))?)?\\s+([^\\d].*)$", false));
  	    _lazyFinal($, "_asyncBody", "$get$_asyncBody", () => A.RegExp_RegExp("<(<anonymous closure>|[^>]+)_async_body>", false));
  	    _lazyFinal($, "_initialDot", "$get$_initialDot", () => A.RegExp_RegExp("^\\.", false));
  	    _lazyFinal($, "Frame__uriRegExp", "$get$Frame__uriRegExp", () => A.RegExp_RegExp("^[a-zA-Z][-+.a-zA-Z\\d]*://", false));
  	    _lazyFinal($, "Frame__windowsRegExp", "$get$Frame__windowsRegExp", () => A.RegExp_RegExp("^([a-zA-Z]:[\\\\/]|\\\\\\\\)", false));
  	    _lazyFinal($, "_terseRegExp", "$get$_terseRegExp", () => A.RegExp_RegExp("(-patch)?([/\\\\].*)?$", false));
  	    _lazyFinal($, "_v8Trace", "$get$_v8Trace", () => A.RegExp_RegExp("\\n    ?at ", false));
  	    _lazyFinal($, "_v8TraceLine", "$get$_v8TraceLine", () => A.RegExp_RegExp("    ?at ", false));
  	    _lazyFinal($, "_firefoxEvalTrace", "$get$_firefoxEvalTrace", () => A.RegExp_RegExp("@\\S+ line \\d+ >.* (Function|eval):\\d+:\\d+", false));
  	    _lazyFinal($, "_firefoxSafariTrace", "$get$_firefoxSafariTrace", () => A.RegExp_RegExp("^(([.0-9A-Za-z_$/<]|\\(.*\\))*@)?[^\\s]*:\\d*$", true));
  	    _lazyFinal($, "_friendlyTrace", "$get$_friendlyTrace", () => A.RegExp_RegExp("^[^\\s<][^\\s]*( \\d+(:\\d+)?)?[ \\t]+[^\\s]+$", true));
  	    _lazyFinal($, "vmChainGap", "$get$vmChainGap", () => A.RegExp_RegExp("^<asynchronous suspension>\\n?$", true));
  	    _lazyFinal($, "_newlineRegExp", "$get$_newlineRegExp", () => A.RegExp_RegExp("\\n|\\r\\n|\\r(?!\\n)", false));
  	    _lazyFinal($, "argumentListClass", "$get$argumentListClass", () => new A.argumentListClass_closure().call$0());
  	    _lazyFinal($, "booleanClass", "$get$booleanClass", () => new A.booleanClass_closure().call$0());
  	    _lazyFinal($, "legacyBooleanClass", "$get$legacyBooleanClass", () => new A.legacyBooleanClass_closure().call$0());
  	    _lazyFinal($, "calculationClass", "$get$calculationClass", () => new A.calculationClass_closure().call$0());
  	    _lazyFinal($, "calculationOperationClass", "$get$calculationOperationClass", () => new A.calculationOperationClass_closure().call$0());
  	    _lazyFinal($, "calculationInterpolationClass", "$get$calculationInterpolationClass", () => new A.calculationInterpolationClass_closure().call$0());
  	    _lazyFinal($, "_microsoftFilterStart0", "$get$_microsoftFilterStart0", () => A.RegExp_RegExp("^[a-zA-Z]+\\s*=", false));
  	    _lazyFinal($, "global6", "$get$global6", () => {
  	      var _s5_ = "color",
  	        _s27_ = "$red, $green, $blue, $alpha",
  	        _s19_ = "$red, $green, $blue",
  	        _s9_ = "$channels",
  	        _s37_ = "$hue, $saturation, $lightness, $alpha",
  	        _s29_ = "$hue, $saturation, $lightness",
  	        _s17_ = "$hue, $saturation",
  	        _s6_ = "adjust",
  	        _s15_ = "$color, $amount",
  	        t1 = type$.String,
  	        t2 = type$.Value_Function_List_Value_2;
  	      return A.UnmodifiableListView$(A._setArrayType([A._channelFunction0("red", B.RgbColorSpace_i0P0, new A.global_closure44(), true, null).withDeprecationWarning$1(_s5_), A._channelFunction0("green", B.RgbColorSpace_i0P0, new A.global_closure45(), true, null).withDeprecationWarning$1(_s5_), A._channelFunction0("blue", B.RgbColorSpace_i0P0, new A.global_closure46(), true, null).withDeprecationWarning$1(_s5_), $.$get$_mix0().withDeprecationWarning$1(_s5_), A.BuiltInCallable$overloadedFunction0("rgb", A.LinkedHashMap_LinkedHashMap$_literal([_s27_, new A.global_closure47(), _s19_, new A.global_closure48(), "$color, $alpha", new A.global_closure49(), "$channels", new A.global_closure50()], t1, t2)), A.BuiltInCallable$overloadedFunction0("rgba", A.LinkedHashMap_LinkedHashMap$_literal([_s27_, new A.global_closure51(), _s19_, new A.global_closure52(), "$color, $alpha", new A.global_closure53(), "$channels", new A.global_closure54()], t1, t2)), A._function12("invert", "$color, $weight: 100%, $space: null", new A.global_closure55()), A._channelFunction0("hue", B.HslColorSpace_JQ20, new A.global_closure56(), true, "deg").withDeprecationWarning$1(_s5_), A._channelFunction0("saturation", B.HslColorSpace_JQ20, new A.global_closure57(), true, "%").withDeprecationWarning$1(_s5_), A._channelFunction0("lightness", B.HslColorSpace_JQ20, new A.global_closure58(), true, "%").withDeprecationWarning$1(_s5_), A.BuiltInCallable$overloadedFunction0("hsl", A.LinkedHashMap_LinkedHashMap$_literal([_s37_, new A.global_closure59(), _s29_, new A.global_closure60(), _s17_, new A.global_closure61(), "$channels", new A.global_closure62()], t1, t2)), A.BuiltInCallable$overloadedFunction0("hsla", A.LinkedHashMap_LinkedHashMap$_literal([_s37_, new A.global_closure63(), _s29_, new A.global_closure64(), _s17_, new A.global_closure65(), "$channels", new A.global_closure66()], t1, t2)), A._function12("grayscale", "$color", new A.global_closure67()), A._function12("adjust-hue", "$color, $degrees", new A.global_closure68()).withDeprecationWarning$2(_s5_, _s6_), A._function12("lighten", _s15_, new A.global_closure69()).withDeprecationWarning$2(_s5_, _s6_), A._function12("darken", _s15_, new A.global_closure70()).withDeprecationWarning$2(_s5_, _s6_), A.BuiltInCallable$overloadedFunction0("saturate", A.LinkedHashMap_LinkedHashMap$_literal(["$amount", new A.global_closure71(), "$color, $amount", new A.global_closure72()], t1, t2)), A._function12("desaturate", _s15_, new A.global_closure73()).withDeprecationWarning$2(_s5_, _s6_), A._function12("opacify", _s15_, new A.global_closure74()).withDeprecationWarning$2(_s5_, _s6_), A._function12("fade-in", _s15_, new A.global_closure75()).withDeprecationWarning$2(_s5_, _s6_), A._function12("transparentize", _s15_, new A.global_closure76()).withDeprecationWarning$2(_s5_, _s6_), A._function12("fade-out", _s15_, new A.global_closure77()).withDeprecationWarning$2(_s5_, _s6_), A.BuiltInCallable$overloadedFunction0("alpha", A.LinkedHashMap_LinkedHashMap$_literal(["$color", new A.global_closure78(), "$args...", new A.global_closure79()], t1, t2)), A._function12("opacity", "$color", new A.global_closure80()), A._function12(_s5_, "$description", new A.global_closure81()), A._function12("hwb", _s9_, new A.global_closure82()), A._function12("lab", _s9_, new A.global_closure83()), A._function12("lch", _s9_, new A.global_closure84()), A._function12("oklab", _s9_, new A.global_closure85()), A._function12("oklch", _s9_, new A.global_closure86()), $.$get$_complement0().withDeprecationWarning$1(_s5_), $.$get$_ieHexStr0(), $.$get$_adjust0().withDeprecationWarning$1(_s5_).withName$1("adjust-color"), $.$get$_scale0().withDeprecationWarning$1(_s5_).withName$1("scale-color"), $.$get$_change0().withDeprecationWarning$1(_s5_).withName$1("change-color")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module5", "$get$module5", () => {
  	      var _null = null,
  	        _s10_ = "saturation",
  	        _s9_ = "lightness",
  	        _s6_ = "$color", _s5_ = "alpha",
  	        _s30_ = "$color, $channel, $space: null",
  	        t1 = type$.String,
  	        t2 = type$.Value_Function_List_Value_2;
  	      return A.BuiltInModule$0("color", A._setArrayType([A._channelFunction0("red", B.RgbColorSpace_i0P0, new A.module_closure27(), false, _null), A._channelFunction0("green", B.RgbColorSpace_i0P0, new A.module_closure28(), false, _null), A._channelFunction0("blue", B.RgbColorSpace_i0P0, new A.module_closure29(), false, _null), $.$get$_mix0(), A._function12("invert", "$color, $weight: 100%, $space: null", new A.module_closure30()), A._channelFunction0("hue", B.HslColorSpace_JQ20, new A.module_closure31(), false, "deg"), A._channelFunction0(_s10_, B.HslColorSpace_JQ20, new A.module_closure32(), false, "%"), A._channelFunction0(_s9_, B.HslColorSpace_JQ20, new A.module_closure33(), false, "%"), A._removedColorFunction0("adjust-hue", "hue", false), A._removedColorFunction0("lighten", _s9_, false), A._removedColorFunction0("darken", _s9_, true), A._removedColorFunction0("saturate", _s10_, false), A._removedColorFunction0("desaturate", _s10_, true), A._function12("grayscale", _s6_, new A.module_closure34()), A.BuiltInCallable$overloadedFunction0("hwb", A.LinkedHashMap_LinkedHashMap$_literal(["$hue, $whiteness, $blackness, $alpha: 1", new A.module_closure35(), "$channels", new A.module_closure36()], t1, t2)), A._channelFunction0("whiteness", B.HwbColorSpace_guQ0, new A.module_closure37(), false, "%"), A._channelFunction0("blackness", B.HwbColorSpace_guQ0, new A.module_closure38(), false, "%"), A._removedColorFunction0("opacify", _s5_, false), A._removedColorFunction0("fade-in", _s5_, false), A._removedColorFunction0("transparentize", _s5_, true), A._removedColorFunction0("fade-out", _s5_, true), A.BuiltInCallable$overloadedFunction0(_s5_, A.LinkedHashMap_LinkedHashMap$_literal(["$color", new A.module_closure39(), "$args...", new A.module_closure40()], t1, t2)), A._function12("opacity", _s6_, new A.module_closure41()), A._function12("space", _s6_, new A.module_closure42()), A._function12("to-space", "$color, $space", new A.module_closure43()), A._function12("is-legacy", _s6_, new A.module_closure44()), A._function12("is-missing", "$color, $channel", new A.module_closure45()), A._function12("is-in-gamut", "$color, $space: null", new A.module_closure46()), A._function12("to-gamut", "$color, $space: null, $method: null", new A.module_closure47()), A._function12("channel", _s30_, new A.module_closure48()), A._function12("same", "$color1, $color2", new A.module_closure49()), A._function12("is-powerless", _s30_, new A.module_closure50()), $.$get$_complement0(), $.$get$_adjust0(), $.$get$_scale0(), $.$get$_change0(), $.$get$_ieHexStr0()], type$.JSArray_Callable_2), _null, _null, type$.Callable_2);
  	    });
  	    _lazyFinal($, "_mix0", "$get$_mix0", () => A._function12("mix", string$.x24color, new A._mix_closure0()));
  	    _lazyFinal($, "_complement0", "$get$_complement0", () => A._function12("complement", "$color, $space: null", new A._complement_closure0()));
  	    _lazyFinal($, "_adjust0", "$get$_adjust0", () => A._function12("adjust", "$color, $kwargs...", new A._adjust_closure0()));
  	    _lazyFinal($, "_scale0", "$get$_scale0", () => A._function12("scale", "$color, $kwargs...", new A._scale_closure0()));
  	    _lazyFinal($, "_change0", "$get$_change0", () => A._function12("change", "$color, $kwargs...", new A._change_closure0()));
  	    _lazyFinal($, "_ieHexStr0", "$get$_ieHexStr0", () => A._function12("ie-hex-str", "$color", new A._ieHexStr_closure0()));
  	    _lazyFinal($, "colorClass", "$get$colorClass", () => new A.colorClass_closure().call$0());
  	    _lazyFinal($, "legacyColorClass", "$get$legacyColorClass", () => {
  	      var t1 = A.createJSClass("sass.types.Color", new A.legacyColorClass_closure());
  	      A.JSClassExtension_defineMethods(t1, A.LinkedHashMap_LinkedHashMap$_literal(["getR", new A.legacyColorClass_closure0(), "getG", new A.legacyColorClass_closure1(), "getB", new A.legacyColorClass_closure2(), "getA", new A.legacyColorClass_closure3(), "setR", new A.legacyColorClass_closure4(), "setG", new A.legacyColorClass_closure5(), "setB", new A.legacyColorClass_closure6(), "setA", new A.legacyColorClass_closure7()], type$.String, type$.Function));
  	      return t1;
  	    });
  	    _lazyFinal($, "colorsByName0", "$get$colorsByName0", () => A.LinkedHashMap_LinkedHashMap$_literal(["yellowgreen", A.SassColor_SassColor$rgb0(154, 205, 50, 1), "yellow", A.SassColor_SassColor$rgb0(255, 255, 0, 1), "whitesmoke", A.SassColor_SassColor$rgb0(245, 245, 245, 1), "white", A.SassColor_SassColor$rgb0(255, 255, 255, 1), "wheat", A.SassColor_SassColor$rgb0(245, 222, 179, 1), "violet", A.SassColor_SassColor$rgb0(238, 130, 238, 1), "turquoise", A.SassColor_SassColor$rgb0(64, 224, 208, 1), "transparent", A.SassColor_SassColor$rgb0(0, 0, 0, 0), "tomato", A.SassColor_SassColor$rgb0(255, 99, 71, 1), "thistle", A.SassColor_SassColor$rgb0(216, 191, 216, 1), "teal", A.SassColor_SassColor$rgb0(0, 128, 128, 1), "tan", A.SassColor_SassColor$rgb0(210, 180, 140, 1), "steelblue", A.SassColor_SassColor$rgb0(70, 130, 180, 1), "springgreen", A.SassColor_SassColor$rgb0(0, 255, 127, 1), "snow", A.SassColor_SassColor$rgb0(255, 250, 250, 1), "slategrey", A.SassColor_SassColor$rgb0(112, 128, 144, 1), "slategray", A.SassColor_SassColor$rgb0(112, 128, 144, 1), "slateblue", A.SassColor_SassColor$rgb0(106, 90, 205, 1), "skyblue", A.SassColor_SassColor$rgb0(135, 206, 235, 1), "silver", A.SassColor_SassColor$rgb0(192, 192, 192, 1), "sienna", A.SassColor_SassColor$rgb0(160, 82, 45, 1), "seashell", A.SassColor_SassColor$rgb0(255, 245, 238, 1), "seagreen", A.SassColor_SassColor$rgb0(46, 139, 87, 1), "sandybrown", A.SassColor_SassColor$rgb0(244, 164, 96, 1), "salmon", A.SassColor_SassColor$rgb0(250, 128, 114, 1), "saddlebrown", A.SassColor_SassColor$rgb0(139, 69, 19, 1), "royalblue", A.SassColor_SassColor$rgb0(65, 105, 225, 1), "rosybrown", A.SassColor_SassColor$rgb0(188, 143, 143, 1), "red", A.SassColor_SassColor$rgb0(255, 0, 0, 1), "rebeccapurple", A.SassColor_SassColor$rgb0(102, 51, 153, 1), "purple", A.SassColor_SassColor$rgb0(128, 0, 128, 1), "powderblue", A.SassColor_SassColor$rgb0(176, 224, 230, 1), "plum", A.SassColor_SassColor$rgb0(221, 160, 221, 1), "pink", A.SassColor_SassColor$rgb0(255, 192, 203, 1), "peru", A.SassColor_SassColor$rgb0(205, 133, 63, 1), "peachpuff", A.SassColor_SassColor$rgb0(255, 218, 185, 1), "papayawhip", A.SassColor_SassColor$rgb0(255, 239, 213, 1), "palevioletred", A.SassColor_SassColor$rgb0(219, 112, 147, 1), "paleturquoise", A.SassColor_SassColor$rgb0(175, 238, 238, 1), "palegreen", A.SassColor_SassColor$rgb0(152, 251, 152, 1), "palegoldenrod", A.SassColor_SassColor$rgb0(238, 232, 170, 1), "orchid", A.SassColor_SassColor$rgb0(218, 112, 214, 1), "orangered", A.SassColor_SassColor$rgb0(255, 69, 0, 1), "orange", A.SassColor_SassColor$rgb0(255, 165, 0, 1), "olivedrab", A.SassColor_SassColor$rgb0(107, 142, 35, 1), "olive", A.SassColor_SassColor$rgb0(128, 128, 0, 1), "oldlace", A.SassColor_SassColor$rgb0(253, 245, 230, 1), "navy", A.SassColor_SassColor$rgb0(0, 0, 128, 1), "navajowhite", A.SassColor_SassColor$rgb0(255, 222, 173, 1), "moccasin", A.SassColor_SassColor$rgb0(255, 228, 181, 1), "mistyrose", A.SassColor_SassColor$rgb0(255, 228, 225, 1), "mintcream", A.SassColor_SassColor$rgb0(245, 255, 250, 1), "midnightblue", A.SassColor_SassColor$rgb0(25, 25, 112, 1), "mediumvioletred", A.SassColor_SassColor$rgb0(199, 21, 133, 1), "mediumturquoise", A.SassColor_SassColor$rgb0(72, 209, 204, 1), "mediumspringgreen", A.SassColor_SassColor$rgb0(0, 250, 154, 1), "mediumslateblue", A.SassColor_SassColor$rgb0(123, 104, 238, 1), "mediumseagreen", A.SassColor_SassColor$rgb0(60, 179, 113, 1), "mediumpurple", A.SassColor_SassColor$rgb0(147, 112, 219, 1), "mediumorchid", A.SassColor_SassColor$rgb0(186, 85, 211, 1), "mediumblue", A.SassColor_SassColor$rgb0(0, 0, 205, 1), "mediumaquamarine", A.SassColor_SassColor$rgb0(102, 205, 170, 1), "maroon", A.SassColor_SassColor$rgb0(128, 0, 0, 1), "magenta", A.SassColor_SassColor$rgb0(255, 0, 255, 1), "linen", A.SassColor_SassColor$rgb0(250, 240, 230, 1), "limegreen", A.SassColor_SassColor$rgb0(50, 205, 50, 1), "lime", A.SassColor_SassColor$rgb0(0, 255, 0, 1), "lightyellow", A.SassColor_SassColor$rgb0(255, 255, 224, 1), "lightsteelblue", A.SassColor_SassColor$rgb0(176, 196, 222, 1), "lightslategrey", A.SassColor_SassColor$rgb0(119, 136, 153, 1), "lightslategray", A.SassColor_SassColor$rgb0(119, 136, 153, 1), "lightskyblue", A.SassColor_SassColor$rgb0(135, 206, 250, 1), "lightseagreen", A.SassColor_SassColor$rgb0(32, 178, 170, 1), "lightsalmon", A.SassColor_SassColor$rgb0(255, 160, 122, 1), "lightpink", A.SassColor_SassColor$rgb0(255, 182, 193, 1), "lightgrey", A.SassColor_SassColor$rgb0(211, 211, 211, 1), "lightgreen", A.SassColor_SassColor$rgb0(144, 238, 144, 1), "lightgray", A.SassColor_SassColor$rgb0(211, 211, 211, 1), "lightgoldenrodyellow", A.SassColor_SassColor$rgb0(250, 250, 210, 1), "lightcyan", A.SassColor_SassColor$rgb0(224, 255, 255, 1), "lightcoral", A.SassColor_SassColor$rgb0(240, 128, 128, 1), "lightblue", A.SassColor_SassColor$rgb0(173, 216, 230, 1), "lemonchiffon", A.SassColor_SassColor$rgb0(255, 250, 205, 1), "lawngreen", A.SassColor_SassColor$rgb0(124, 252, 0, 1), "lavenderblush", A.SassColor_SassColor$rgb0(255, 240, 245, 1), "lavender", A.SassColor_SassColor$rgb0(230, 230, 250, 1), "khaki", A.SassColor_SassColor$rgb0(240, 230, 140, 1), "ivory", A.SassColor_SassColor$rgb0(255, 255, 240, 1), "indigo", A.SassColor_SassColor$rgb0(75, 0, 130, 1), "indianred", A.SassColor_SassColor$rgb0(205, 92, 92, 1), "hotpink", A.SassColor_SassColor$rgb0(255, 105, 180, 1), "honeydew", A.SassColor_SassColor$rgb0(240, 255, 240, 1), "grey", A.SassColor_SassColor$rgb0(128, 128, 128, 1), "greenyellow", A.SassColor_SassColor$rgb0(173, 255, 47, 1), "green", A.SassColor_SassColor$rgb0(0, 128, 0, 1), "gray", A.SassColor_SassColor$rgb0(128, 128, 128, 1), "goldenrod", A.SassColor_SassColor$rgb0(218, 165, 32, 1), "gold", A.SassColor_SassColor$rgb0(255, 215, 0, 1), "ghostwhite", A.SassColor_SassColor$rgb0(248, 248, 255, 1), "gainsboro", A.SassColor_SassColor$rgb0(220, 220, 220, 1), "fuchsia", A.SassColor_SassColor$rgb0(255, 0, 255, 1), "forestgreen", A.SassColor_SassColor$rgb0(34, 139, 34, 1), "floralwhite", A.SassColor_SassColor$rgb0(255, 250, 240, 1), "firebrick", A.SassColor_SassColor$rgb0(178, 34, 34, 1), "dodgerblue", A.SassColor_SassColor$rgb0(30, 144, 255, 1), "dimgrey", A.SassColor_SassColor$rgb0(105, 105, 105, 1), "dimgray", A.SassColor_SassColor$rgb0(105, 105, 105, 1), "deepskyblue", A.SassColor_SassColor$rgb0(0, 191, 255, 1), "deeppink", A.SassColor_SassColor$rgb0(255, 20, 147, 1), "darkviolet", A.SassColor_SassColor$rgb0(148, 0, 211, 1), "darkturquoise", A.SassColor_SassColor$rgb0(0, 206, 209, 1), "darkslategrey", A.SassColor_SassColor$rgb0(47, 79, 79, 1), "darkslategray", A.SassColor_SassColor$rgb0(47, 79, 79, 1), "darkslateblue", A.SassColor_SassColor$rgb0(72, 61, 139, 1), "darkseagreen", A.SassColor_SassColor$rgb0(143, 188, 143, 1), "darksalmon", A.SassColor_SassColor$rgb0(233, 150, 122, 1), "darkred", A.SassColor_SassColor$rgb0(139, 0, 0, 1), "darkorchid", A.SassColor_SassColor$rgb0(153, 50, 204, 1), "darkorange", A.SassColor_SassColor$rgb0(255, 140, 0, 1), "darkolivegreen", A.SassColor_SassColor$rgb0(85, 107, 47, 1), "darkmagenta", A.SassColor_SassColor$rgb0(139, 0, 139, 1), "darkkhaki", A.SassColor_SassColor$rgb0(189, 183, 107, 1), "darkgrey", A.SassColor_SassColor$rgb0(169, 169, 169, 1), "darkgreen", A.SassColor_SassColor$rgb0(0, 100, 0, 1), "darkgray", A.SassColor_SassColor$rgb0(169, 169, 169, 1), "darkgoldenrod", A.SassColor_SassColor$rgb0(184, 134, 11, 1), "darkcyan", A.SassColor_SassColor$rgb0(0, 139, 139, 1), "darkblue", A.SassColor_SassColor$rgb0(0, 0, 139, 1), "cyan", A.SassColor_SassColor$rgb0(0, 255, 255, 1), "crimson", A.SassColor_SassColor$rgb0(220, 20, 60, 1), "cornsilk", A.SassColor_SassColor$rgb0(255, 248, 220, 1), "cornflowerblue", A.SassColor_SassColor$rgb0(100, 149, 237, 1), "coral", A.SassColor_SassColor$rgb0(255, 127, 80, 1), "chocolate", A.SassColor_SassColor$rgb0(210, 105, 30, 1), "chartreuse", A.SassColor_SassColor$rgb0(127, 255, 0, 1), "cadetblue", A.SassColor_SassColor$rgb0(95, 158, 160, 1), "burlywood", A.SassColor_SassColor$rgb0(222, 184, 135, 1), "brown", A.SassColor_SassColor$rgb0(165, 42, 42, 1), "blueviolet", A.SassColor_SassColor$rgb0(138, 43, 226, 1), "blue", A.SassColor_SassColor$rgb0(0, 0, 255, 1), "blanchedalmond", A.SassColor_SassColor$rgb0(255, 235, 205, 1), "black", A.SassColor_SassColor$rgb0(0, 0, 0, 1), "bisque", A.SassColor_SassColor$rgb0(255, 228, 196, 1), "beige", A.SassColor_SassColor$rgb0(245, 245, 220, 1), "azure", A.SassColor_SassColor$rgb0(240, 255, 255, 1), "aquamarine", A.SassColor_SassColor$rgb0(127, 255, 212, 1), "aqua", A.SassColor_SassColor$rgb0(0, 255, 255, 1), "antiquewhite", A.SassColor_SassColor$rgb0(250, 235, 215, 1), "aliceblue", A.SassColor_SassColor$rgb0(240, 248, 255, 1)], type$.String, type$.SassColor_2));
  	    _lazyFinal($, "namesByColor0", "$get$namesByColor0", () => {
  	      var $name,
  	        t1 = type$.SassColor_2,
  	        t2 = type$.String,
  	        t3 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t2);
  	      for (t1 = A.MapExtensions_get_pairs0($.$get$colorsByName0(), t2, t1), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t2 = t1.get$current(t1);
  	        $name = t2._0;
  	        t3.$indexSet(0, t2._1, $name);
  	      }
  	      return t3;
  	    });
  	    _lazyFinal($, "nodePackageImporterClass", "$get$nodePackageImporterClass", () => new A.nodePackageImporterClass_closure().call$0());
  	    _lazyFinal($, "compilerClass", "$get$compilerClass", () => new A.compilerClass_closure().call$0());
  	    _lazyFinal($, "asyncCompilerClass", "$get$asyncCompilerClass", () => new A.asyncCompilerClass_closure().call$0());
  	    _lazyFinal($, "lmsToOklab0", "$get$lmsToOklab0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.210454268309314, 0.7936177747023054, -0.0040720430116193, 1.9779985324311684, -2.42859224204858, 0.450593709617411, 0.0259040424655478, 0.7827717124575296, -0.8086757549230774], type$.JSArray_double)));
  	    _lazyFinal($, "oklabToLms0", "$get$oklabToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.0000000000000002, 0.3963377773761749, 0.2158037573099136, 0.9999999999999998, -0.10556134581565854, -0.06385417282581334, 0.9999999999999999, -0.0894841775298118, -1.2914855480194094], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearDisplayP30", "$get$linearSrgbToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8224619687143623, 0.17753803128563775, 0, 0.03319419885096161, 0.9668058011490384, 0, 0.01708263072112003, 0.07239744066396346, 0.9105199286149165], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearSrgb0", "$get$linearDisplayP3ToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.2249401762805598, -0.22494017628055996, 0, -0.04205695470968816, 1.042056954709688, 0, -0.01963755459033443, -0.07863604555063188, 1.0982736001409663], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearA98Rgb0", "$get$linearSrgbToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7151256068556247, 0.28487439314437535, 0, 0, 1, 0, 0, 0.04116194845011846, 0.9588380515498816], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearSrgb0", "$get$linearA98RgbToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.3983557439607783, -0.3983557439607783, 0, 0, 1, 0, 0, -0.04292898929447326, 1.0429289892944733], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearRec20200", "$get$linearSrgbToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.627403895934699, 0.3292830383778837, 0.04331306568741722, 0.06909728935823208, 0.9195403950754587, 0.01136231556630917, 0.01639143887515027, 0.08801330787722575, 0.895595253247624], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearSrgb0", "$get$linearRec2020ToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.6604910021084345, -0.5876411387885495, -0.07284986331988487, -0.12455047452159074, 1.1328998971259603, -0.00834942260436947, -0.0181507633549053, -0.10057889800800737, 1.1187296613629127], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToXyzD650", "$get$linearSrgbToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.4123907992659595, 0.35758433938387796, 0.1804807884018343, 0.21263900587151036, 0.7151686787677559, 0.07219231536073371, 0.01933081871559185, 0.11919477979462598, 0.9505321522496606], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearSrgb0", "$get$xyzD65ToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.2409699419045213, -1.5373831775700935, -0.4986107602930033, -0.9692436362808798, 1.8759675015077206, 0.04155505740717561, 0.0556300796969936, -0.20397695888897657, 1.0569715142428786], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLms0", "$get$linearSrgbToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.412221469470763, 0.5363325372617348, 0.0514459932675022, 0.2119034958178252, 0.6806995506452342, 0.1073969535369405, 0.08830245919005641, 0.2817188391361215, 0.6299787016738221], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearSrgb0", "$get$lmsToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([4.076741636075958, -3.307711539258062, 0.23096990318210417, -1.268437973285032, 2.609757349287689, -0.3413193760026571, -0.00419607613867551, -0.7034186179359363, 1.707614694074612], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToLinearProphotoRgb0", "$get$linearSrgbToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5292769776226116, 0.33015450197849283, 0.14056852039889556, 0.09836585954044917, 0.8734707129069618, 0.028163427552589, 0.01687534092138684, 0.11765941425612084, 0.8654652448224923], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearSrgb0", "$get$linearProphotoRgbToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.034380849516996, -0.7276357899341342, -0.3067450595828618, -0.22882573163305037, 1.2317425411901048, -0.00291680955705449, -0.00855882878391742, -0.1532667021380372, 1.1618255309219547], type$.JSArray_double)));
  	    _lazyFinal($, "linearSrgbToXyzD500", "$get$linearSrgbToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.43606574687426936, 0.3851515095901596, 0.14307841996513868, 0.22249317711056518, 0.7168870130944824, 0.06061980979495235, 0.01392392146316939, 0.09708132423141015, 0.7140993568158807], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearSrgb0", "$get$xyzD50ToLinearSrgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.1341358529001178, -1.617385998018042, -0.49066221791109754, -0.9787954765557777, 1.9162543773959884, 0.03344287339036693, 0.07195539255794733, -0.228976759815182, 1.4053860351131182], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearA98Rgb0", "$get$linearDisplayP3ToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8640051374740484, 0.13599486252595164, 0, -0.04205695470968816, 1.042056954709688, 0, -0.02056038078232985, -0.03250613804550798, 1.0530665188278379], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearDisplayP30", "$get$linearA98RgbToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.1500944181410184, -0.15009441814101834, 0, 0.04641729862941844, 0.9535827013705815, 0, 0.02388759479083904, 0.02650477632633013, 0.9496076288828308], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearRec20200", "$get$linearDisplayP3ToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7538330343617218, 0.1985973690526163, 0.04756959658566187, 0.04574384896535833, 0.9417772198116935, 0.01247893122294812, -0.00121034035451832, 0.01760171730108989, 0.9836086230534284], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearDisplayP30", "$get$linearRec2020ToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.343578252584332, -0.2821796705261357, -0.06139858205819628, -0.06529745278911953, 1.0757879158485746, -0.01049046305945495, 0.00282178726170095, -0.01959849452449406, 1.0167767072627931], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToXyzD650", "$get$linearDisplayP3ToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.48657094864821626, 0.26566769316909294, 0.1982172852343625, 0.22897456406974884, 0.6917385218365062, 0.079286914093745, 0, 0.04511338185890257, 1.0439443689009757], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearDisplayP30", "$get$xyzD65ToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.4934969119414245, -0.9313836179191236, -0.40271078445071684, -0.8294889695615749, 1.7626640603183468, 0.02362468584194359, 0.03584583024378433, -0.0761723892680417, 0.9568845240076873], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLms0", "$get$linearDisplayP3ToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.48137985274995443, 0.46211837101131803, 0.05650177623872756, 0.22883194181124472, 0.6532168193835676, 0.11795123880518774, 0.08394575232299319, 0.22416527097756642, 0.6918889766994404], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearDisplayP30", "$get$lmsToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([3.1277689713618737, -2.2571357625916386, 0.12936679122976494, -1.0910090184377979, 2.4133317103069225, -0.32232269186912466, -0.02601080193857045, -0.508041331704167, 1.5340521336427373], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToLinearProphotoRgb0", "$get$linearDisplayP3ToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6316869193403589, 0.21393038569465722, 0.1543826949649839, 0.08320371426648458, 0.8858651367630243, 0.03093114897049121, -0.00127273456473881, 0.05075510433665735, 0.9505176302280814], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearDisplayP30", "$get$linearProphotoRgbToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.6325756087069179, -0.3797716184825984, -0.2528039902243195, -0.15370040233755072, 1.1667025472425014, -0.01300214490495082, 0.01039319529676572, -0.0628073126495944, 1.0524141173528287], type$.JSArray_double)));
  	    _lazyFinal($, "linearDisplayP3ToXyzD500", "$get$linearDisplayP3ToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.515146442968116, 0.2920099820638577, 0.15713925139759397, 0.2412003221252552, 0.6922225411313818, 0.06657713674336294, -0.00105013914714014, 0.0418782701890746, 0.7842764714685257], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearDisplayP30", "$get$xyzD50ToLinearDisplayP30", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.4039341218554973, -0.9900304424955931, -0.39761363181465614, -0.8422700161454688, 1.7989580161067082, 0.01604562477090472, 0.04819381686413303, -0.09738519815446048, 1.2736713693321273], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearRec20200", "$get$linearA98RgbToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8773338416636568, 0.07749370651571998, 0.04517245182062317, 0.09662259146620378, 0.8915273202441805, 0.01185008828961569, 0.02292106270284839, 0.04303668501067932, 0.9340422522864723], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearA98Rgb0", "$get$linearRec2020ToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.1519783947159163, -0.0975030553024086, -0.05447533941350766, -0.12455047452159074, 1.1328998971259603, -0.00834942260436947, -0.0225303827810559, -0.04980650742838876, 1.0723368902094446], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToXyzD650", "$get$linearA98RgbToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5766690429101308, 0.18555823790654627, 0.18822864623499472, 0.29734497525053616, 0.627363566255466, 0.07529145849399789, 0.02703136138641237, 0.07068885253582714, 0.9913375368376389], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearA98Rgb0", "$get$xyzD65ToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.041587903810746, -0.5650069742788596, -0.3447313507783295, -0.9692436362808798, 1.8759675015077206, 0.04155505740717561, 0.01344428063203102, -0.11836239223101823, 1.0151749943912054], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLms0", "$get$linearA98RgbToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.5764322596183941, 0.36991322261987963, 0.05365451776172635, 0.29631647054222465, 0.5916761332521885, 0.11200739620558686, 0.1234782510142776, 0.21949869837199862, 0.6570230506137238], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearA98Rgb0", "$get$lmsToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.5540368386115566, -1.6219761806828699, 0.06793934207131327, -1.268437973285032, 2.609757349287689, -0.3413193760026571, -0.05623473593749381, -0.5670418395669061, 1.6232765755043999], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToLinearProphotoRgb0", "$get$linearA98RgbToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7401175018047792, 0.11327951328898105, 0.1466029849062397, 0.1375504646980262, 0.833077080269484, 0.02937245503248977, 0.02359772990871766, 0.07378347703906656, 0.9026187930522158], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearA98Rgb0", "$get$linearProphotoRgbToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.38965124815152, -0.16945907691487766, -0.22019217123664242, -0.22882573163305037, 1.2317425411901048, -0.00291680955705449, -0.01762544368426068, -0.09625702306122665, 1.1138824667454874], type$.JSArray_double)));
  	    _lazyFinal($, "linearA98RgbToXyzD500", "$get$linearA98RgbToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6097750418861814, 0.20530000261929401, 0.14922063192409227, 0.31112461220464155, 0.6256532308346856, 0.06322215696067286, 0.01947059555648168, 0.06087908649415867, 0.7447549204598198], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearA98Rgb0", "$get$xyzD50ToLinearA98Rgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.9624670363768806, -0.6107423404815073, -0.3413580980827154, -0.9787954765557777, 1.9162543773959884, 0.03344287339036693, 0.02870443944957101, -0.1406748663317068, 1.3489141814137937], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToXyzD650", "$get$linearRec2020ToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6369580483012913, 0.14461690358620838, 0.16888097516417205, 0.26270021201126703, 0.677998071518871, 0.05930171646986194, 0, 0.0280726930490875, 1.0609850577107909], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearRec20200", "$get$xyzD65ToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.7166511879712676, -0.3556707837763924, -0.2533662813736598, -0.666684351832489, 1.616481236634939, 0.01576854581391113, 0.01763985744531091, -0.04277061325780865, 0.942103121235474], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLms0", "$get$linearRec2020ToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.6167557848654444, 0.36019840122646335, 0.02304581390809228, 0.2651330593926367, 0.6358393720678491, 0.09902756853951408, 0.10010262952034828, 0.20390652261661452, 0.6959908478630372], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearRec20200", "$get$lmsToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([2.1399067304346513, -1.246389493760618, 0.10648276332596668, -0.8847358357577674, 2.1632309383612007, -0.2784951026034334, -0.04857374640044396, -0.4545031497140964, 1.5030768961145404], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToLinearProphotoRgb0", "$get$linearRec2020ToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.8351873331297235, 0.04886884858605698, 0.11594381828421951, 0.05403324519953363, 0.9289184085692044, 0.01704834623126199, -0.00234203897072539, 0.03633215316169465, 0.9660098858090307], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLinearRec20200", "$get$linearProphotoRgbToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.200659329517408, -0.05756805370122346, -0.14309127581618444, -0.06994154955888504, 1.080617897597214, -0.01067634803832895, 0.00554147334294746, -0.04078219298657951, 1.035240719643632], type$.JSArray_double)));
  	    _lazyFinal($, "linearRec2020ToXyzD500", "$get$linearRec2020ToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.673515463188276, 0.16569726370390453, 0.12508294953738705, 0.2790590051411206, 0.6753180057491098, 0.04562298910976962, -0.00193242713400438, 0.02997782679282923, 0.7970592028516355], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearRec20200", "$get$xyzD50ToLinearRec20200", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.647184904671766, -0.3936818981316471, -0.23595963848828266, -0.6826641074173818, 1.6477146127444076, 0.01281708338512084, 0.02966887665275675, -0.0629258964297003, 1.2535578201865771], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLms0", "$get$xyzD65ToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.819022437996703, 0.36190626005289034, -0.12887378152098788, 0.03298365393238846, 0.9292868615863433, 0.03614466635064235, 0.0481771893596242, 0.2642395317527308, 0.6335478284694308], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToXyzD650", "$get$lmsToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.2268798758459243, -0.5578149944602171, 0.2813910456659646, -0.04057574521480084, 1.1122868032803173, -0.07171105806551635, -0.07637293667466007, -0.42149333240224324, 1.5869240198367818], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToLinearProphotoRgb0", "$get$xyzD65ToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.4031904633774979, -0.22301514479051668, -0.1016066850741379, -0.5262384021633072, 1.4816319629234644, 0.01701879027252688, -0.0112022652862215, 0.01824640347962099, 0.9112472274915048], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToXyzD650", "$get$linearProphotoRgbToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.755590742296921, 0.11271984265940525, 0.0821453420953454, 0.2683218435785719, 0.7151152566617912, 0.01656289975963685, 0.0039159727624258, -0.01293344283684181, 1.0980752208342945], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD65ToXyzD500", "$get$xyzD65ToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.0479297925449966, 0.02294687060160952, -0.05019226628920519, 0.02962780877005567, 0.99043442675388, -0.01707379906341879, -0.00924304064620452, 0.01505519149029816, 0.751874281428137], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToXyzD650", "$get$xyzD50ToXyzD650", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.9554734214880752, -0.02309845494876452, 0.06325924320057065, -0.02836970933386358, 1.0099953980813041, 0.0210414411919173, 0.01231401486448199, -0.02050764929889898, 1.330365926242124], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToLinearProphotoRgb0", "$get$lmsToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.7383551481157207, -0.9879509427514458, 0.24959579463572504, -0.7070494015329266, 1.9343700444401382, -0.2273206429072115, -0.08407882206239634, -0.35754060521141334, 1.4416194272738097], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToLms0", "$get$linearProphotoRgbToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7154484605655534, 0.35279155007721186, -0.0682400106427653, 0.2744116490015671, 0.6677976498412367, 0.05779070115719616, 0.10978443261622942, 0.18619829115002018, 0.7040172762337504], type$.JSArray_double)));
  	    _lazyFinal($, "lmsToXyzD500", "$get$lmsToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.288586218172706, -0.5378717444973745, 0.2135812027542364, -0.00253387643187372, 1.0923167988719165, -0.08978292244004273, -0.06937382305734124, -0.29500839894431263, 1.1894868245121142], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLms0", "$get$xyzD50ToLms0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7707000420431172, 0.34924840261939616, -0.11202351884164681, 0.00559649248368848, 0.9370723401136769, 0.06972568836252771, 0.04633714262191069, 0.25277531574310524, 0.851458076746796], type$.JSArray_double)));
  	    _lazyFinal($, "linearProphotoRgbToXyzD500", "$get$linearProphotoRgbToXyzD500", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([0.7977666449006423, 0.13518129740053308, 0.0313477341283922, 0.2880748288194013, 0.711835234241873, 0.00008993693872564, 0, 0, 0.8251046025104602], type$.JSArray_double)));
  	    _lazyFinal($, "xyzD50ToLinearProphotoRgb0", "$get$xyzD50ToLinearProphotoRgb0", () => A.NativeFloat64List_NativeFloat64List$fromList(A._setArrayType([1.3457868816471583, -0.25557208737979464, -0.05110186497554526, -0.5446307051249019, 1.5082477428451468, 0.02052744743642139, 0, 0, 1.2119675456389452], type$.JSArray_double)));
  	    _lazyFinal($, "_disallowedFunctionNames0", "$get$_disallowedFunctionNames0", () => {
  	      var t1 = $.$get$globalFunctions0();
  	      t1 = t1.map$1$1(t1, new A._disallowedFunctionNames_closure0(), type$.String).toSet$0(0);
  	      t1.remove$1(0, "abs");
  	      t1.remove$1(0, "alpha");
  	      t1.remove$1(0, "color");
  	      t1.remove$1(0, "grayscale");
  	      t1.remove$1(0, "hsl");
  	      t1.remove$1(0, "hsla");
  	      t1.remove$1(0, "hwb");
  	      t1.remove$1(0, "invert");
  	      t1.remove$1(0, "lab");
  	      t1.remove$1(0, "lch");
  	      t1.remove$1(0, "max");
  	      t1.remove$1(0, "min");
  	      t1.remove$1(0, "oklab");
  	      t1.remove$1(0, "oklch");
  	      t1.remove$1(0, "opacity");
  	      t1.remove$1(0, "rgb");
  	      t1.remove$1(0, "rgba");
  	      t1.remove$1(0, "round");
  	      t1.remove$1(0, "saturate");
  	      return t1;
  	    });
  	    _lazyFinal($, "deprecations", "$get$deprecations", () => {
  	      var _i, deprecation, t2,
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, A.findType("Deprecation1?"));
  	      for (_i = 0; _i < 30; ++_i) {
  	        deprecation = B.List_0vi[_i];
  	        if (deprecation !== B.Deprecation_uZO) {
  	          t2 = deprecation.id;
  	          t1.$indexSet(0, t2, {id: t2, status: new A.deprecations_closure(deprecation).call$0(), description: deprecation.description, deprecatedIn: deprecation.get$deprecatedIn(0), obsoleteIn: deprecation.get$obsoleteIn(0)});
  	        }
  	      }
  	      return t1;
  	    });
  	    _lazyFinal($, "versionClass", "$get$versionClass", () => new A.versionClass_closure().call$0());
  	    _lazyFinal($, "exceptionClass", "$get$exceptionClass", () => new A.exceptionClass_closure().call$0());
  	    _lazyFinal($, "FilesystemImporter_cwd0", "$get$FilesystemImporter_cwd0", () => {
  	      var _null = null;
  	      return new A.FilesystemImporter0(A.absolute(".", _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null, _null), true);
  	    });
  	    _lazyFinal($, "functionClass", "$get$functionClass", () => new A.functionClass_closure().call$0());
  	    _lazyFinal($, "globalFunctions0", "$get$globalFunctions0", () => {
  	      var t1 = type$.BuiltInCallable_2,
  	        t2 = A.List_List$of($.$get$global6(), true, t1);
  	      B.JSArray_methods.addAll$1(t2, $.$get$global7());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global8());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global9());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global10());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global11());
  	      B.JSArray_methods.addAll$1(t2, $.$get$global12());
  	      t2.push(A.BuiltInCallable$function0("if", "$condition, $if-true, $if-false", new A.globalFunctions_closure0(), null));
  	      return A.UnmodifiableListView$(t2, t1);
  	    });
  	    _lazyFinal($, "coreModules0", "$get$coreModules0", () => A.UnmodifiableListView$(A._setArrayType([$.$get$module5(), $.$get$module6(), $.$get$module7(), $.$get$module8(), $.$get$module9(), $.$get$module10()], A.findType("JSArray<BuiltInModule0<Callable>>")), type$.BuiltInModule_Callable_2));
  	    _lazyFinal($, "LegacyIfExpression_declaration0", "$get$LegacyIfExpression_declaration0", () => A.ParameterList_ParameterList$parse0(string$.x40funct, null));
  	    _lazyFinal($, "global7", "$get$global7", () => {
  	      var _s4_ = "list";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_length2().withDeprecationWarning$1(_s4_), $.$get$_nth0().withDeprecationWarning$1(_s4_), $.$get$_setNth0().withDeprecationWarning$1(_s4_), $.$get$_join0().withDeprecationWarning$1(_s4_), $.$get$_append2().withDeprecationWarning$1(_s4_), $.$get$_zip0().withDeprecationWarning$1(_s4_), $.$get$_index2().withDeprecationWarning$1(_s4_), $.$get$_isBracketed0().withDeprecationWarning$1(_s4_), $.$get$_separator0().withDeprecationWarning$1(_s4_).withName$1("list-separator")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module6", "$get$module6", () => A.BuiltInModule$0("list", A._setArrayType([$.$get$_length2(), $.$get$_nth0(), $.$get$_setNth0(), $.$get$_join0(), $.$get$_append2(), $.$get$_zip0(), $.$get$_index2(), $.$get$_isBracketed0(), $.$get$_separator0(), $.$get$_slash0()], type$.JSArray_Callable_2), null, null, type$.Callable_2));
  	    _lazyFinal($, "_length1", "$get$_length2", () => A._function11("length", "$list", new A._length_closure2()));
  	    _lazyFinal($, "_nth0", "$get$_nth0", () => A._function11("nth", "$list, $n", new A._nth_closure0()));
  	    _lazyFinal($, "_setNth0", "$get$_setNth0", () => A._function11("set-nth", "$list, $n, $value", new A._setNth_closure0()));
  	    _lazyFinal($, "_join0", "$get$_join0", () => A._function11("join", string$.x24list1, new A._join_closure0()));
  	    _lazyFinal($, "_append1", "$get$_append2", () => A._function11("append", "$list, $val, $separator: auto", new A._append_closure2()));
  	    _lazyFinal($, "_zip0", "$get$_zip0", () => A._function11("zip", "$lists...", new A._zip_closure0()));
  	    _lazyFinal($, "_index1", "$get$_index2", () => A._function11("index", "$list, $value", new A._index_closure2()));
  	    _lazyFinal($, "_separator0", "$get$_separator0", () => A._function11("separator", "$list", new A._separator_closure0()));
  	    _lazyFinal($, "_isBracketed0", "$get$_isBracketed0", () => A._function11("is-bracketed", "$list", new A._isBracketed_closure0()));
  	    _lazyFinal($, "_slash0", "$get$_slash0", () => A._function11("slash", "$elements...", new A._slash_closure0()));
  	    _lazyFinal($, "listClass", "$get$listClass", () => new A.listClass_closure().call$0());
  	    _lazyFinal($, "legacyListClass", "$get$legacyListClass", () => {
  	      var t1 = A.createJSClass("sass.types.List", new A.legacyListClass_closure());
  	      A.JSClassExtension_defineMethods(t1, A.LinkedHashMap_LinkedHashMap$_literal(["getValue", new A.legacyListClass_closure0(), "setValue", new A.legacyListClass_closure1(), "getSeparator", new A.legacyListClass_closure2(), "setSeparator", new A.legacyListClass_closure3(), "getLength", new A.legacyListClass_closure4()], type$.String, type$.Function));
  	      return t1;
  	    });
  	    _lazyFinal($, "global8", "$get$global8", () => {
  	      var _s3_ = "map";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_get0().withDeprecationWarning$1(_s3_).withName$1("map-get"), $.$get$_merge0().withDeprecationWarning$1(_s3_).withName$1("map-merge"), $.$get$_remove0().withDeprecationWarning$1(_s3_).withName$1("map-remove"), $.$get$_keys0().withDeprecationWarning$1(_s3_).withName$1("map-keys"), $.$get$_values0().withDeprecationWarning$1(_s3_).withName$1("map-values"), $.$get$_hasKey0().withDeprecationWarning$1(_s3_).withName$1("map-has-key")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module7", "$get$module7", () => A.BuiltInModule$0("map", A._setArrayType([$.$get$_get0(), $.$get$_set0(), $.$get$_merge0(), $.$get$_remove0(), $.$get$_keys0(), $.$get$_values0(), $.$get$_hasKey0(), $.$get$_deepMerge0(), $.$get$_deepRemove0()], type$.JSArray_Callable_2), null, null, type$.Callable_2));
  	    _lazyFinal($, "_get0", "$get$_get0", () => A._function10("get", "$map, $key, $keys...", new A._get_closure0()));
  	    _lazyFinal($, "_set0", "$get$_set0", () => A.BuiltInCallable$overloadedFunction0("set", A.LinkedHashMap_LinkedHashMap$_literal(["$map, $key, $value", new A._set_closure1(), "$map, $args...", new A._set_closure2()], type$.String, type$.Value_Function_List_Value_2)));
  	    _lazyFinal($, "_merge0", "$get$_merge0", () => A.BuiltInCallable$overloadedFunction0("merge", A.LinkedHashMap_LinkedHashMap$_literal(["$map1, $map2", new A._merge_closure1(), "$map1, $args...", new A._merge_closure2()], type$.String, type$.Value_Function_List_Value_2)));
  	    _lazyFinal($, "_deepMerge0", "$get$_deepMerge0", () => A._function10("deep-merge", "$map1, $map2", new A._deepMerge_closure0()));
  	    _lazyFinal($, "_deepRemove0", "$get$_deepRemove0", () => A._function10("deep-remove", "$map, $key, $keys...", new A._deepRemove_closure0()));
  	    _lazyFinal($, "_remove0", "$get$_remove0", () => A.BuiltInCallable$overloadedFunction0("remove", A.LinkedHashMap_LinkedHashMap$_literal(["$map", new A._remove_closure1(), "$map, $key, $keys...", new A._remove_closure2()], type$.String, type$.Value_Function_List_Value_2)));
  	    _lazyFinal($, "_keys0", "$get$_keys0", () => A._function10("keys", "$map", new A._keys_closure0()));
  	    _lazyFinal($, "_values0", "$get$_values0", () => A._function10("values", "$map", new A._values_closure0()));
  	    _lazyFinal($, "_hasKey0", "$get$_hasKey0", () => A._function10("has-key", "$map, $key, $keys...", new A._hasKey_closure0()));
  	    _lazyFinal($, "mapClass", "$get$mapClass", () => new A.mapClass_closure().call$0());
  	    _lazyFinal($, "legacyMapClass", "$get$legacyMapClass", () => {
  	      var t1 = A.createJSClass("sass.types.Map", new A.legacyMapClass_closure());
  	      A.JSClassExtension_defineMethods(t1, A.LinkedHashMap_LinkedHashMap$_literal(["getKey", new A.legacyMapClass_closure0(), "getValue", new A.legacyMapClass_closure1(), "getLength", new A.legacyMapClass_closure2(), "setKey", new A.legacyMapClass_closure3(), "setValue", new A.legacyMapClass_closure4()], type$.String, type$.Function));
  	      return t1;
  	    });
  	    _lazyFinal($, "global9", "$get$global9", () => {
  	      var _s4_ = "math";
  	      return A.UnmodifiableListView$(A._setArrayType([A._function9("abs", "$number", new A.global_closure43()), $.$get$_ceil0().withDeprecationWarning$1(_s4_), $.$get$_floor0().withDeprecationWarning$1(_s4_), $.$get$_max0().withDeprecationWarning$1(_s4_), $.$get$_min0().withDeprecationWarning$1(_s4_), $.$get$_percentage0().withDeprecationWarning$1(_s4_), $.$get$_randomFunction0().withDeprecationWarning$1(_s4_), $.$get$_round0().withDeprecationWarning$1(_s4_), $.$get$_unit0().withDeprecationWarning$1(_s4_), $.$get$_compatible0().withDeprecationWarning$1(_s4_).withName$1("comparable"), $.$get$_isUnitless0().withDeprecationWarning$1(_s4_).withName$1("unitless")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module8", "$get$module8", () => {
  	      var _null = null;
  	      return A.BuiltInModule$0("math", A._setArrayType([A._numberFunction0("abs", new A.module_closure26()), $.$get$_acos0(), $.$get$_asin0(), $.$get$_atan0(), $.$get$_atan20(), $.$get$_ceil0(), $.$get$_clamp0(), $.$get$_cos0(), $.$get$_compatible0(), $.$get$_floor0(), $.$get$_hypot0(), $.$get$_isUnitless0(), $.$get$_log0(), $.$get$_max0(), $.$get$_min0(), $.$get$_percentage0(), $.$get$_pow0(), $.$get$_randomFunction0(), $.$get$_round0(), $.$get$_sin0(), $.$get$_sqrt0(), $.$get$_tan0(), $.$get$_unit0(), $.$get$_div0()], type$.JSArray_Callable_2), _null, A.LinkedHashMap_LinkedHashMap$_literal(["e", A.SassNumber_SassNumber0(2.718281828459045, _null), "pi", A.SassNumber_SassNumber0(3.141592653589793, _null), "epsilon", A.SassNumber_SassNumber0(2220446049250313e-31, _null), "max-safe-integer", A.SassNumber_SassNumber0(9007199254740991, _null), "min-safe-integer", A.SassNumber_SassNumber0(-9007199254740991, _null), "max-number", A.SassNumber_SassNumber0(17976931348623157e292, _null), "min-number", A.SassNumber_SassNumber0(5e-324, _null)], type$.String, type$.Value_2), type$.Callable_2);
  	    });
  	    _lazyFinal($, "_ceil0", "$get$_ceil0", () => A._numberFunction0("ceil", new A._ceil_closure0()));
  	    _lazyFinal($, "_clamp0", "$get$_clamp0", () => A._function9("clamp", "$min, $number, $max", new A._clamp_closure0()));
  	    _lazyFinal($, "_floor0", "$get$_floor0", () => A._numberFunction0("floor", new A._floor_closure0()));
  	    _lazyFinal($, "_max0", "$get$_max0", () => A._function9("max", "$numbers...", new A._max_closure0()));
  	    _lazyFinal($, "_min0", "$get$_min0", () => A._function9("min", "$numbers...", new A._min_closure0()));
  	    _lazyFinal($, "_round0", "$get$_round0", () => A._numberFunction0("round", new A._round_closure0()));
  	    _lazyFinal($, "_hypot0", "$get$_hypot0", () => A._function9("hypot", "$numbers...", new A._hypot_closure0()));
  	    _lazyFinal($, "_log0", "$get$_log0", () => A._function9("log", "$number, $base: null", new A._log_closure0()));
  	    _lazyFinal($, "_pow0", "$get$_pow0", () => A._function9("pow", "$base, $exponent", new A._pow_closure0()));
  	    _lazyFinal($, "_sqrt0", "$get$_sqrt0", () => A._singleArgumentMathFunc0("sqrt", A.number2__sqrt$closure()));
  	    _lazyFinal($, "_acos0", "$get$_acos0", () => A._singleArgumentMathFunc0("acos", A.number2__acos$closure()));
  	    _lazyFinal($, "_asin0", "$get$_asin0", () => A._singleArgumentMathFunc0("asin", A.number2__asin$closure()));
  	    _lazyFinal($, "_atan0", "$get$_atan0", () => A._singleArgumentMathFunc0("atan", A.number2__atan$closure()));
  	    _lazyFinal($, "_atan20", "$get$_atan20", () => A._function9("atan2", "$y, $x", new A._atan2_closure0()));
  	    _lazyFinal($, "_cos0", "$get$_cos0", () => A._singleArgumentMathFunc0("cos", A.number2__cos$closure()));
  	    _lazyFinal($, "_sin0", "$get$_sin0", () => A._singleArgumentMathFunc0("sin", A.number2__sin$closure()));
  	    _lazyFinal($, "_tan0", "$get$_tan0", () => A._singleArgumentMathFunc0("tan", A.number2__tan$closure()));
  	    _lazyFinal($, "_compatible0", "$get$_compatible0", () => A._function9("compatible", "$number1, $number2", new A._compatible_closure0()));
  	    _lazyFinal($, "_isUnitless0", "$get$_isUnitless0", () => A._function9("is-unitless", "$number", new A._isUnitless_closure0()));
  	    _lazyFinal($, "_unit0", "$get$_unit0", () => A._function9("unit", "$number", new A._unit_closure0()));
  	    _lazyFinal($, "_percentage0", "$get$_percentage0", () => A._function9("percentage", "$number", new A._percentage_closure0()));
  	    _lazyFinal($, "_random1", "$get$_random2", () => A.Random_Random());
  	    _lazyFinal($, "_randomFunction0", "$get$_randomFunction0", () => A._function9("random", "$limit: null", new A._randomFunction_closure0()));
  	    _lazyFinal($, "_div0", "$get$_div0", () => A._function9("div", "$number1, $number2", new A._div_closure0()));
  	    _lazyFinal($, "_shared0", "$get$_shared0", () => A.UnmodifiableListView$(A._setArrayType([A._function6("feature-exists", "$feature", new A._shared_closure3()), A._function6("inspect", "$value", new A._shared_closure4()), A._function6("type-of", "$value", new A._shared_closure5()), A._function6("keywords", "$args", new A._shared_closure6())], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2));
  	    _lazyFinal($, "global10", "$get$global12", () => {
  	      var t2,
  	        t1 = A._setArrayType([], type$.JSArray_BuiltInCallable_2);
  	      for (t2 = $.$get$_shared0(), t2 = t2.get$iterator(t2); t2.moveNext$0();)
  	        t1.push(t2.get$current(0).withDeprecationWarning$1("meta"));
  	      return A.UnmodifiableListView$(t1, type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "moduleFunctions0", "$get$moduleFunctions0", () => {
  	      var t1 = type$.BuiltInCallable_2,
  	        t2 = A.List_List$of($.$get$_shared0(), true, t1);
  	      t2.push(A._function6("calc-name", "$calc", new A.moduleFunctions_closure2()));
  	      t2.push(A._function6("calc-args", "$calc", new A.moduleFunctions_closure3()));
  	      t2.push(A._function6("accepts-content", "$mixin", new A.moduleFunctions_closure4()));
  	      return A.UnmodifiableListView$(t2, t1);
  	    });
  	    _lazyFinal($, "mixinClass", "$get$mixinClass", () => new A.mixinClass_closure().call$0());
  	    _lazyFinal($, "legacyNullClass", "$get$legacyNullClass", () => new A.legacyNullClass_closure().call$0());
  	    _lazyFinal($, "_epsilon0", "$get$_epsilon0", () => A.pow(10, -11));
  	    _lazyFinal($, "_inverseEpsilon0", "$get$_inverseEpsilon0", () => A.pow(10, 11));
  	    _lazyFinal($, "numberClass", "$get$numberClass", () => new A.numberClass_closure().call$0());
  	    _lazyFinal($, "legacyNumberClass", "$get$legacyNumberClass", () => {
  	      var t1 = A.createJSClass("sass.types.Number", new A.legacyNumberClass_closure());
  	      A.JSClassExtension_defineMethods(t1, A.LinkedHashMap_LinkedHashMap$_literal(["getValue", new A.legacyNumberClass_closure0(), "setValue", new A.legacyNumberClass_closure1(), "getUnit", new A.legacyNumberClass_closure2(), "setUnit", new A.legacyNumberClass_closure3()], type$.String, type$.Function));
  	      return t1;
  	    });
  	    _lazyFinal($, "_typesByUnit0", "$get$_typesByUnit0", () => {
  	      var t3, type,
  	        t1 = type$.String,
  	        t2 = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1);
  	      for (t1 = A.MapExtensions_get_pairs0(B.Map_Sr65K, t1, type$.List_String), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
  	        t3 = t1.get$current(t1);
  	        type = t3._0;
  	        for (t3 = J.get$iterator$ax(t3._1); t3.moveNext$0();)
  	          t2.$indexSet(0, t3.get$current(t3), type);
  	      }
  	      return t2;
  	    });
  	    _lazyFinal($, "_interpolation", "$get$_interpolation", () => A.Interpolation$0(B.List_empty12, B.List_empty13, $.$get$bogusSpan0()));
  	    _lazyFinal($, "_expression", "$get$_expression", () => A.NullExpression$($.$get$bogusSpan0()));
  	    _lazyFinal($, "global11", "$get$global10", () => {
  	      var _s8_ = "selector";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_isSuperselector0().withDeprecationWarning$1(_s8_), $.$get$_simpleSelectors0().withDeprecationWarning$1(_s8_), $.$get$_parse0().withDeprecationWarning$1(_s8_).withName$1("selector-parse"), $.$get$_nest0().withDeprecationWarning$1(_s8_).withName$1("selector-nest"), $.$get$_append1().withDeprecationWarning$1(_s8_).withName$1("selector-append"), $.$get$_extend0().withDeprecationWarning$1(_s8_).withName$1("selector-extend"), $.$get$_replace0().withDeprecationWarning$1(_s8_).withName$1("selector-replace"), $.$get$_unify0().withDeprecationWarning$1(_s8_).withName$1("selector-unify")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module9", "$get$module9", () => A.BuiltInModule$0("selector", A._setArrayType([$.$get$_isSuperselector0(), $.$get$_simpleSelectors0(), $.$get$_parse0(), $.$get$_nest0(), $.$get$_append1(), $.$get$_extend0(), $.$get$_replace0(), $.$get$_unify0()], type$.JSArray_Callable_2), null, null, type$.Callable_2));
  	    _lazyFinal($, "_nest0", "$get$_nest0", () => A._function8("nest", "$selectors...", new A._nest_closure0()));
  	    _lazyFinal($, "_append2", "$get$_append1", () => A._function8("append", "$selectors...", new A._append_closure1()));
  	    _lazyFinal($, "_extend0", "$get$_extend0", () => A._function8("extend", "$selector, $extendee, $extender", new A._extend_closure0()));
  	    _lazyFinal($, "_replace0", "$get$_replace0", () => A._function8("replace", "$selector, $original, $replacement", new A._replace_closure0()));
  	    _lazyFinal($, "_unify0", "$get$_unify0", () => A._function8("unify", "$selector1, $selector2", new A._unify_closure0()));
  	    _lazyFinal($, "_isSuperselector0", "$get$_isSuperselector0", () => A._function8("is-superselector", "$super, $sub", new A._isSuperselector_closure0()));
  	    _lazyFinal($, "_simpleSelectors0", "$get$_simpleSelectors0", () => A._function8("simple-selectors", "$selector", new A._simpleSelectors_closure0()));
  	    _lazyFinal($, "_parse1", "$get$_parse0", () => A._function8("parse", "$selector", new A._parse_closure0()));
  	    _lazyFinal($, "_knownCompatibilitiesByUnit0", "$get$_knownCompatibilitiesByUnit0", () => {
  	      var _i, set, t2,
  	        t1 = A.LinkedHashMap_LinkedHashMap$_empty(type$.String, A.findType("Set<String>"));
  	      for (_i = 0; _i < 5; ++_i) {
  	        set = B.List_BFg[_i];
  	        for (t2 = set.get$iterator(set); t2.moveNext$0();)
  	          t1.$indexSet(0, t2.get$current(0), set);
  	      }
  	      return t1;
  	    });
  	    _lazyFinal($, "bogusSpan0", "$get$bogusSpan0", () => A.SourceFile$decoded(A._setArrayType([], type$.JSArray_int), null).span$1(0, 0));
  	    _lazyFinal($, "_random2", "$get$_random1", () => A.Random_Random());
  	    _lazy($, "_previousUniqueId0", "$get$_previousUniqueId0", () => $.$get$_random1().nextInt$1(A._asInt(A.pow(36, 6))));
  	    _lazyFinal($, "global12", "$get$global11", () => {
  	      var _s6_ = "string";
  	      return A.UnmodifiableListView$(A._setArrayType([$.$get$_unquote0().withDeprecationWarning$1(_s6_), $.$get$_quote0().withDeprecationWarning$1(_s6_), $.$get$_toUpperCase0().withDeprecationWarning$1(_s6_), $.$get$_toLowerCase0().withDeprecationWarning$1(_s6_), $.$get$_uniqueId0().withDeprecationWarning$1(_s6_), $.$get$_length1().withDeprecationWarning$1(_s6_).withName$1("str-length"), $.$get$_insert0().withDeprecationWarning$1(_s6_).withName$1("str-insert"), $.$get$_index1().withDeprecationWarning$1(_s6_).withName$1("str-index"), $.$get$_slice0().withDeprecationWarning$1(_s6_).withName$1("str-slice")], type$.JSArray_BuiltInCallable_2), type$.BuiltInCallable_2);
  	    });
  	    _lazyFinal($, "module10", "$get$module10", () => A.BuiltInModule$0("string", A._setArrayType([$.$get$_unquote0(), $.$get$_quote0(), $.$get$_toUpperCase0(), $.$get$_toLowerCase0(), $.$get$_length1(), $.$get$_insert0(), $.$get$_index1(), $.$get$_slice0(), $.$get$_uniqueId0(), A._function7("split", "$string, $separator, $limit: null", new A.module_closure25())], type$.JSArray_Callable_2), null, null, type$.Callable_2));
  	    _lazyFinal($, "_unquote0", "$get$_unquote0", () => A._function7("unquote", "$string", new A._unquote_closure0()));
  	    _lazyFinal($, "_quote0", "$get$_quote0", () => A._function7("quote", "$string", new A._quote_closure0()));
  	    _lazyFinal($, "_length2", "$get$_length1", () => A._function7("length", "$string", new A._length_closure1()));
  	    _lazyFinal($, "_insert0", "$get$_insert0", () => A._function7("insert", "$string, $insert, $index", new A._insert_closure0()));
  	    _lazyFinal($, "_index2", "$get$_index1", () => A._function7("index", "$string, $substring", new A._index_closure1()));
  	    _lazyFinal($, "_slice0", "$get$_slice0", () => A._function7("slice", "$string, $start-at, $end-at: -1", new A._slice_closure0()));
  	    _lazyFinal($, "_toUpperCase0", "$get$_toUpperCase0", () => A._function7("to-upper-case", "$string", new A._toUpperCase_closure0()));
  	    _lazyFinal($, "_toLowerCase0", "$get$_toLowerCase0", () => A._function7("to-lower-case", "$string", new A._toLowerCase_closure0()));
  	    _lazyFinal($, "_uniqueId0", "$get$_uniqueId0", () => A._function7("unique-id", "", new A._uniqueId_closure0()));
  	    _lazyFinal($, "stringClass", "$get$stringClass", () => new A.stringClass_closure().call$0());
  	    _lazyFinal($, "legacyStringClass", "$get$legacyStringClass", () => {
  	      var t1 = A.createJSClass("sass.types.String", new A.legacyStringClass_closure());
  	      A.JSClassExtension_defineMethods(t1, A.LinkedHashMap_LinkedHashMap$_literal(["getValue", new A.legacyStringClass_closure0(), "setValue", new A.legacyStringClass_closure1()], type$.String, type$.Function));
  	      return t1;
  	    });
  	    _lazyFinal($, "_emptyQuoted0", "$get$_emptyQuoted0", () => A.SassString$0("", true));
  	    _lazyFinal($, "_emptyUnquoted0", "$get$_emptyUnquoted0", () => A.SassString$0("", false));
  	    _lazyFinal($, "_urlSchemeRegExp", "$get$_urlSchemeRegExp", () => A.RegExp_RegExp("^[a-z0-9+.-]+$", false));
  	    _lazyFinal($, "_jsThrow0", "$get$_jsThrow", () => new self.Function("error", "throw error;"));
  	    _lazyFinal($, "_isUndefined", "$get$_isUndefined", () => new self.Function("value", "return value === undefined;"));
  	    _lazyFinal($, "_isNull", "$get$_isNull", () => new self.Function("value", "return value === null;"));
  	    _lazyFinal($, "_noSourceUrl0", "$get$_noSourceUrl0", () => A.Uri_parse("-"));
  	    _lazyFinal($, "_traces0", "$get$_traces0", () => A.Expando$());
  	    _lazyFinal($, "valueClass", "$get$valueClass", () => new A.valueClass_closure().call$0());
  	  })();
  	  (function nativeSupport() {
  	    !function() {
  	      var intern = function(s) {
  	        var o = {};
  	        o[s] = 1;
  	        return Object.keys(hunkHelpers.convertToFastObject(o))[0];
  	      };
  	      init.getIsolateTag = function(name) {
  	        return intern("___dart_" + name + init.isolateTag);
  	      };
  	      var tableProperty = "___dart_isolate_tags_";
  	      var usedProperties = Object[tableProperty] || (Object[tableProperty] = Object.create(null));
  	      var rootProperty = "_ZxYxX";
  	      for (var i = 0;; i++) {
  	        var property = intern(rootProperty + "_" + i + "_");
  	        if (!(property in usedProperties)) {
  	          usedProperties[property] = 1;
  	          init.isolateTag = property;
  	          break;
  	        }
  	      }
  	      init.dispatchPropertyName = init.getIsolateTag("dispatch_record");
  	    }();
  	    hunkHelpers.setOrUpdateInterceptorsByTag({ArrayBuffer: A.NativeByteBuffer, SharedArrayBuffer: A.NativeByteBuffer, ArrayBufferView: A.NativeTypedData, DataView: A.NativeByteData, Float32Array: A.NativeFloat32List, Float64Array: A.NativeFloat64List, Int16Array: A.NativeInt16List, Int32Array: A.NativeInt32List, Int8Array: A.NativeInt8List, Uint16Array: A.NativeUint16List, Uint32Array: A.NativeUint32List, Uint8ClampedArray: A.NativeUint8ClampedList, CanvasPixelArray: A.NativeUint8ClampedList, Uint8Array: A.NativeUint8List});
  	    hunkHelpers.setOrUpdateLeafTags({ArrayBuffer: true, SharedArrayBuffer: true, ArrayBufferView: false, DataView: true, Float32Array: true, Float64Array: true, Int16Array: true, Int32Array: true, Int8Array: true, Uint16Array: true, Uint32Array: true, Uint8ClampedArray: true, CanvasPixelArray: true, Uint8Array: false});
  	    A.NativeTypedArray.$nativeSuperclassTag = "ArrayBufferView";
  	    A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.$nativeSuperclassTag = "ArrayBufferView";
  	    A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.$nativeSuperclassTag = "ArrayBufferView";
  	    A.NativeTypedArrayOfDouble.$nativeSuperclassTag = "ArrayBufferView";
  	    A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin.$nativeSuperclassTag = "ArrayBufferView";
  	    A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin_FixedLengthListMixin.$nativeSuperclassTag = "ArrayBufferView";
  	    A.NativeTypedArrayOfInt.$nativeSuperclassTag = "ArrayBufferView";
  	  })();
  	  Function.prototype.call$0 = function() {
  	    return this();
  	  };
  	  Function.prototype.call$1 = function(a) {
  	    return this(a);
  	  };
  	  Function.prototype.call$2 = function(a, b) {
  	    return this(a, b);
  	  };
  	  Function.prototype.call$3$1 = function(a) {
  	    return this(a);
  	  };
  	  Function.prototype.call$2$1 = function(a) {
  	    return this(a);
  	  };
  	  Function.prototype.call$1$1 = function(a) {
  	    return this(a);
  	  };
  	  Function.prototype.call$3 = function(a, b, c) {
  	    return this(a, b, c);
  	  };
  	  Function.prototype.call$4 = function(a, b, c, d) {
  	    return this(a, b, c, d);
  	  };
  	  Function.prototype.call$3$3 = function(a, b, c) {
  	    return this(a, b, c);
  	  };
  	  Function.prototype.call$2$2 = function(a, b) {
  	    return this(a, b);
  	  };
  	  Function.prototype.call$5 = function(a, b, c, d, e) {
  	    return this(a, b, c, d, e);
  	  };
  	  Function.prototype.call$6 = function(a, b, c, d, e, f) {
  	    return this(a, b, c, d, e, f);
  	  };
  	  Function.prototype.call$2$0 = function() {
  	    return this();
  	  };
  	  Function.prototype.call$1$0 = function() {
  	    return this();
  	  };
  	  Function.prototype.call$1$2 = function(a, b) {
  	    return this(a, b);
  	  };
  	  Function.prototype.call$2$3 = function(a, b, c) {
  	    return this(a, b, c);
  	  };
  	  convertAllToFastObject(holders);
  	  (function(callback) {
  	    if (typeof document === "undefined") {
  	      callback(null);
  	      return;
  	    }
  	    if (typeof document.currentScript != "undefined") {
  	      callback(document.currentScript);
  	      return;
  	    }
  	    var scripts = document.scripts;
  	    function onLoad(event) {
  	      for (var i = 0; i < scripts.length; ++i) {
  	        scripts[i].removeEventListener("load", onLoad, false);
  	      }
  	      callback(event.target);
  	    }
  	    for (var i = 0; i < scripts.length; ++i) {
  	      scripts[i].addEventListener("load", onLoad, false);
  	    }
  	  })(function(currentScript) {
  	    init.currentScript = currentScript;
  	    var callMain = A.main2;
  	    if (typeof dartMainRunner === "function") {
  	      dartMainRunner(callMain, []);
  	    } else {
  	      callMain([]);
  	    }
  	  });
  	})();
  	};
  	return sass_dart;
  }

  requireSass_dart();

  const _cliPkgLibrary = globalThis._cliPkgExports.pop();
  if (globalThis._cliPkgExports.length === 0) delete globalThis._cliPkgExports;
  const _cliPkgExports = {};
  _cliPkgLibrary.load({immutable}, _cliPkgExports);

  _cliPkgExports.compile;
  _cliPkgExports.compileAsync;
  const compileString = _cliPkgExports.compileString;
  _cliPkgExports.compileStringAsync;
  _cliPkgExports.initCompiler;
  _cliPkgExports.initAsyncCompiler;
  _cliPkgExports.Compiler;
  _cliPkgExports.AsyncCompiler;
  _cliPkgExports.Logger;
  _cliPkgExports.SassArgumentList;
  _cliPkgExports.SassBoolean;
  _cliPkgExports.SassCalculation;
  _cliPkgExports.CalculationOperation;
  _cliPkgExports.CalculationInterpolation;
  _cliPkgExports.SassColor;
  _cliPkgExports.SassFunction;
  _cliPkgExports.SassList;
  _cliPkgExports.SassMap;
  _cliPkgExports.SassMixin;
  _cliPkgExports.SassNumber;
  _cliPkgExports.SassString;
  _cliPkgExports.Value;
  _cliPkgExports.CustomFunction;
  _cliPkgExports.ListSeparator;
  _cliPkgExports.sassFalse;
  _cliPkgExports.sassNull;
  _cliPkgExports.sassTrue;
  _cliPkgExports.Exception;
  _cliPkgExports.PromiseOr;
  _cliPkgExports.info;
  _cliPkgExports.render;
  _cliPkgExports.renderSync;
  _cliPkgExports.TRUE;
  _cliPkgExports.FALSE;
  _cliPkgExports.NULL;
  _cliPkgExports.types;
  _cliPkgExports.NodePackageImporter;
  _cliPkgExports.deprecations;
  _cliPkgExports.Version;
  _cliPkgExports.parser_;

  exports.compileString = compileString;

  return exports;

})({});
